WO2020217889A1 - Product management method, device, and program - Google Patents

Product management method, device, and program Download PDF

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Publication number
WO2020217889A1
WO2020217889A1 PCT/JP2020/014941 JP2020014941W WO2020217889A1 WO 2020217889 A1 WO2020217889 A1 WO 2020217889A1 JP 2020014941 W JP2020014941 W JP 2020014941W WO 2020217889 A1 WO2020217889 A1 WO 2020217889A1
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WIPO (PCT)
Prior art keywords
product
weight
type
value
purchase history
Prior art date
Application number
PCT/JP2020/014941
Other languages
French (fr)
Japanese (ja)
Inventor
貴臣 荒木
岡本　浩
俊和 河内
Original Assignee
京セラ株式会社
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Publication of WO2020217889A1 publication Critical patent/WO2020217889A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G61/00—Use of pick-up or transfer devices or of manipulators for stacking or de-stacking articles not otherwise provided for
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/04—Billing or invoicing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00—IoT characterised by the purpose of the information processing
    • G16Y40/30—Control
    • G16Y40/35—Management of things, i.e. controlling in accordance with a policy or in order to achieve specified objectives

Definitions

  • This disclosure relates to product management methods, devices, and programs.
  • Patent Document 1 information indicating a purchase unit amount, which is the amount of goods purchased at one time, and the weight of the product being used by the user are acquired, and the inventory of the product is based on the acquired purchase unit amount and the product weight.
  • a system is described that identifies the quantity and, based on the quantity in stock, determines when to recommend the ordering of the purchase unit quantity of goods.
  • the product management method is a method executed in a product ordering system that executes an ordering process for the product based on the measurement result of the weight of the product.
  • the product management method is a measuring device that measures a purchase history recorded in association with a product type of a purchased product and a product weight of the purchased product, and a weight of an placed product placed at a predetermined position. To obtain the weight increase value detected by using the above, to perform a comparison between the product weight included in the purchase history and the weight increase value, and based on the result of the comparison, the purchase history. Includes specifying the product type of the placed product placed at the predetermined position from the product types included in the above.
  • the device is used in a product ordering system that executes an ordering process for the product based on the measurement result of the weight of the product.
  • the device uses a measuring device that measures the purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and the weight of the placed product placed at a predetermined position. To acquire the detected weight increase value, to compare the product weight included in the purchase history with the weight increase value, and to include in the purchase history based on the result of the comparison. It is provided with at least one processor for specifying the product type of the arranged product arranged at the predetermined position from the product types to be executed.
  • the product type of the purchased product and the product of the purchased product are supplied to the device used in the product ordering system that executes the ordering process of the product based on the measurement result of the weight of the product.
  • Acquiring the purchase history recorded in association with the weight and the weight increase value detected by using a measuring device for measuring the weight of the placed product placed at a predetermined position are included in the purchase history.
  • the product type of is
  • Patent Document 1 can automatically manage the inventory amount based on the measurement result of the product weight, it handles only one type of product and handles a plurality of types of products. There is a problem that the versatility is low without considering it.
  • the present disclosure provides highly versatile product management capable of handling a plurality of types of products while enabling product management based on the measurement result of product weight.
  • FIG. 1 is a system configuration diagram showing a configuration of a product ordering system 1 according to an embodiment.
  • the product ordering system 1 is a system that executes a product ordering process based on the measurement result of the weight of the product.
  • the product may be an article to be ordered, and may be, for example, daily necessities (for example, detergent), food (including beverages), pharmaceuticals, luxury items, and the like.
  • the product ordering process is a process of ordering a product from the user side to the product provider side. From the product provider's point of view, the product order processing can be regarded as the product order processing.
  • the product ordering process may be a fully automatic ordering process or a semi-automatic ordering process.
  • the semi-automatic order processing is a method of inquiring the user about the availability of this order processing before the order processing of the product is performed on the system.
  • the product ordering system 1 has a weight measuring device 100 provided in the user's home H and a server device 200 that communicates with the weight measuring device 100 via the network 20.
  • FIG. 1 illustrates a plurality of user homes H (H_A, H_B, H_C) corresponding to a plurality of users (users A to C) who use the product ordering service.
  • the user's house H_A is provided with a weight measuring device 100A
  • the user's house H_B is provided with a weight measuring device 100B
  • the user's house H_C is provided with a weight measuring device 100C.
  • the weight measuring devices 100A to 100C are not particularly distinguished, they are simply referred to as the weight measuring device 100.
  • the weight measuring device 100 is a device that measures the weight of an placed product placed at a predetermined position.
  • the predetermined position refers to the position of the measurement surface (upper surface) of the weight measuring device 100.
  • the predetermined position means a position where the arranged product is supported or held by these members or the mechanism.
  • a predetermined position will be referred to as a “weight detection area”.
  • the weight measuring device 100 has a communication function, and transmits a weight measurement result to the server device 200 via the network 20.
  • the Network 20 includes the Internet.
  • the network 20 may include at least one of a narrow area communication network (LAN: Local Area Network) and a high area communication network (WAN: Wide Area Network).
  • the LAN may be a wireless LAN using a communication standard such as IEEE 802.11.
  • the WAN may be, for example, a wireless WAN using LPWA (Low Power Wide Area) technology.
  • the server device 200 acquires a weight measurement result from the weight measurement device 100 via the network 20, and orders a product based on the acquired weight measurement result. Specifically, the server device 200 specifies the product type of the product based on the weight measurement result.
  • the product type refers to the product name or the model number of the product.
  • the product name may be configured in combination with the manufacturer name (eg, "XXX Beverage Water", etc.).
  • the server device 200 determines the number of products (inventory quantity) or the quantity of products (inventory quantity) for each product type of the product based on the weight measurement result, and when the determined number or quantity falls below the threshold value. , Perform order processing of products of the same type as the applicable product type.
  • FIG. 2 is a block diagram showing the configuration of the weight measuring device 100 according to the embodiment.
  • the weight measuring device 100 includes a weight sensor 110, a communication interface 120, a storage 130, and a processor 140.
  • the weight measuring device 100 may be driven by a battery (not shown) or a commercial power source (AC power source).
  • the weight sensor 110 measures the weight of the placed product placed in the weight detection area, and outputs a signal indicating the measurement result to the processor 140.
  • the weight sensor 110 may be any sensor as long as it can measure the weight.
  • the weight sensor 110 includes an A / D converter that converts an analog signal indicating a measurement result into a digital signal.
  • the communication interface 120 is a wired communication interface that connects to the network 20 by wire or a wireless communication interface that connects to the network 20 wirelessly.
  • the communication interface 120 converts the wireless signal from the network 20 into a received signal which is a digital signal in the baseband band, and outputs the received signal to the processor 140. Further, the communication interface 120 converts a transmission signal which is a baseband digital signal from the processor 140 into a radio signal, and transmits the radio signal to the network 20.
  • the storage 130 includes a ROM (Read Only Memory) and a RAM (Random Access Memory), and stores a program executed by the processor 140 and information used for processing in the processor 140.
  • the storage 130 stores in advance a measuring device ID, which is an ID of the weight measuring device 100.
  • the processor 140 performs processing according to the program by executing the program stored in the storage 130.
  • the processor 140 transmits the measurement result output from the weight sensor 110 and the measurement device ID stored in the storage 130 to the server device 200 via the communication interface 120.
  • the processor 140 calculates a weight increase value indicating the weight of this increase, and transmits the calculated weight increase value to the server device 200.
  • the processor 140 calculates a weight loss value indicating the weight of the weight loss, and transmits the calculated weight loss value to the server device 200.
  • the processor 140 may periodically transmit the current weight measured by the weight sensor 110 to the server device 200.
  • the server device 200 may detect an increase in weight based on a weight value periodically transmitted from the weight measuring device 100, and may calculate a weight increase value indicating the weight of this increase. Further, the server device 200 may detect a weight loss and calculate a weight loss value indicating the weight of the weight loss.
  • FIG. 3 is a block diagram showing the configuration of the server device 200 according to the embodiment.
  • the server device 200 has a communication interface 210, a storage 220, and a processor 230.
  • the communication interface 210 is a wired communication interface that connects to the network 20 by wire or a wireless communication interface that connects to the network 20 wirelessly.
  • the storage 220 includes a ROM, a RAM, and an auxiliary storage device, and stores a program executed by the processor 230 and information used for processing in the processor 230.
  • the storage 220 stores user information for each user who uses the product ordering service.
  • an external server for example, a cloud server may store the user information.
  • FIG. 4 is a diagram showing user information according to one embodiment.
  • the user information includes a user ID which is a user ID, a measuring device ID which is an ID of the weight measuring device 100 used by the user, and a product delivery destination (for example, an address) for the user.
  • a product delivery destination for example, an address
  • payment information eg, credit card information
  • FIG. 5 is a diagram showing a purchase history according to one embodiment.
  • the purchase history is recorded by associating the product type, the product weight, the number of product purchases, and the purchase date and time for each product purchased by the user.
  • the combination of the product type, product weight, number of product purchases, and purchase date and time of a certain product is called a record.
  • a mode of purchasing a product there are a mode of purchasing one product individually and a mode of purchasing a set of a plurality of similar products at once.
  • the product weight in the purchase history may be the weight per product (hereinafter referred to as unit weight).
  • unit weight the weight per product
  • the processor 230 calculates the total weight of the plurality of products purchased together by multiplying the unit weight by the number of the plurality of products purchased collectively, and manages the total weight together with the purchase history. May be good.
  • the product weight in the purchase history may be the total weight of a plurality of products purchased together. In such a case, the processor 230 may calculate the unit weight of the plurality of products purchased in bulk by dividing the total weight by the number of products purchased in bulk and manage it together with the purchase history.
  • the processor 230 performs processing according to the program by executing the program stored in the storage 220.
  • FIG. 6 is a processing flow diagram showing processing related to identification of arranged products according to one embodiment.
  • the processor 230 has a purchase history (see FIG. 5) recorded in association with the product type of the purchased product and the product weight of the purchased product, and a weight measuring device.
  • the weight increase value detected by using 100 is acquired. For example, when the weight increase value is detected by using the weight measuring device 100 of a certain user, the processor 230 acquires the purchase history of this user from the storage 220 or an external server.
  • step S20 the processor 230 compares the product weight in the purchase history acquired in step S10 with the weight increase value acquired in step S10.
  • the processor 230 executes such a comparison process for each record (that is, product type) in the purchase history. However, the processor 230 may omit such a comparison process for the record corresponding to the product specified as the placed product among the records in the purchase history acquired in step S10. The details of step S20 will be described later.
  • step S30 the processor 230 identifies the product type of the arranged product arranged in the weight detection area from the product types in the purchase history acquired in step S10 based on the comparison result in step S20. Specifically, the processor 230 specifies a product type that matches the weight increase value as a product type of a new placed product.
  • step S40 the processor 230 updates the management table of the placed products. Specifically, the processor 230 updates the management table so as to add the information of the placed product specified in step S30.
  • FIG. 7 is a diagram showing a management table of arranged products according to one embodiment.
  • the management table records the product weight, the number of arrangements, and the current weight in association with each specified product type.
  • the product weight is the same as the product weight in the purchase history.
  • the number of arrangements is the number of arranged products arranged in the weight detection area. The number of arrangements may be the same as the number of product purchases in the purchase history, or may be less than the number of product purchases in the purchase history.
  • the current weight is the latest weight for each product type.
  • FIG. 8 is a processing flow diagram showing details of step S20 of FIG.
  • the processor 230 executes the processing flow shown in FIG. 8 for each record in the purchase history.
  • step S21 the processor 230 calculates the difference between the purchase date and time in the target record of the purchase history acquired in step S10 and the acquisition timing of the weight increase value in step S10, and this difference is calculated. It is determined whether or not it is within a predetermined time. As the predetermined time, for example, one month or one week is set.
  • step S21: NO If the difference between the purchase date and time and the acquisition timing of the weight increase value is not within the predetermined time (step S21: NO), the processing for the target record ends. In this case, the comparison with the weight increase value is not performed. In this way, the processor 230 executes the comparison only for the products purchased within the predetermined time from the acquisition timing of the weight increase value based on the purchase date and time in the purchase history. For example, it is unlikely that a product that has been purchased by a user for half a year or a year has been placed in the weight detection area, so by excluding such products, the accuracy of identifying the placed product is accurate. Can be enhanced.
  • step S22 the processor 230 corresponds to the product whose product type in the target record is collectively purchased. Determine whether or not to do so. For example, when the number of product purchases in the target record is 2 or more, the processor 230 determines that the product type in the target record corresponds to the products purchased in bulk.
  • step S23 the processor 230 executes a comparison between the total weight in the target record and the weight increase value, and the total weight. It is determined whether or not the weight increase value and the weight increase value substantially match.
  • substantially matching is not limited to perfect matching, but also includes a case where it is considered to be substantially matching in consideration of measurement error and the like.
  • step S23: NO the processing for the target record ends.
  • step S23: YES the processor 230 advances the process to step S25.
  • the processor 230 may perform comparison between the multiple of the unit weight and the weight increase value in the target record, and determine whether or not the multiple of the unit weight and the weight increase value substantially match.
  • the "multiple” is a value that is a multiple of 1 or more and is equal to or less than the number of purchased products in the target record.
  • step S24 the processor 230 executes a comparison between the product weight in the target record and the weight increase value. It is determined whether or not the product weight and the weight increase value substantially match. When the product weight and the weight increase value do not substantially match (step S24: NO), the processing for the target record ends. When the product weight and the weight increase value substantially match (step S24: YES), the processor 230 advances the process to step S25.
  • step S25 the processor 230 stores the product type in the target record in the storage 220 as the product type of the arranged product that matches the weight increase value.
  • the processor 230 is purchased when the weight of the product purchased within the past fixed time of the weight detection timing or a multiple thereof and the weight detected in the weight detection area substantially match. It is determined that the product has been placed in the weight detection area. Thereby, the processor 230 can specify the product type of the product newly arranged in the weight detection area even when a plurality of types of products are mixed in the weight detection area.
  • FIG. 9 is a processing flow diagram showing processing related to identification of removed products according to one embodiment.
  • step S110 the processor 230 acquires the weight reduction value detected by using the weight measuring device 100.
  • step S120 the processor 230 executes a comparison with the weight reduction value acquired in step S110 for each record in the management table of the placed products. Details of step S120 will be described later.
  • step S130 the processor 230 identifies the product type of the removed product removed from the weight detection area from the product types of the placed products based on the result of the comparison in step S120. Specifically, the processor 230 specifies a product type that matches the weight reduction value as a product type of the removed product.
  • step S140 the processor 230 uses the removed product based on the specific result of the removed product (number of removed products) in step S130 and the number of purchased products in the purchase history associated with the product type of the removed product. Determine the number of products in stock that belong to the product type of.
  • step S150 the processor 230 determines whether or not the number of stocks determined in step S140 is below the threshold value. If the number of stocks determined in step S140 does not fall below the threshold value (step S150: NO), the process ends.
  • step S160 the processor 230 performs the order processing of the product belonging to the product type of the removed product specified in step S130. .. In the order processing, the processor 230 may perform the order processing so as to provide the user with the number of products purchased in advance set by the user.
  • FIG. 10 is a processing flow diagram showing details of step S120 of FIG.
  • the processor 230 executes the processing flow shown in FIG. 10 for each record in the management table of the arranged products.
  • step S121 the processor 230 determines whether or not the product type in the target record corresponds to a product purchased in bulk.
  • step S122 the processor 230 executes a comparison between the multiple of the unit weight in the target record and the weight reduction value. It is determined whether or not the multiple of the unit weight and the weight reduction value substantially match.
  • the “multiple” is a value that is a multiple of 1 or more and is equal to or less than the number of arrangements in the target record. If the multiple is more than twice, it means that two or more placed products have been removed.
  • step S122: NO the processing for the target record ends.
  • step S122: YES the processor 230 advances the process to step S124.
  • step S123 the processor 230 executes a comparison between the product weight in the target record and the weight reduction value. It is determined whether or not the product weight and the weight reduction value substantially match. When the product weight and the weight reduction value do not substantially match (step S123: NO), the processing for the target record ends. When the product weight and the weight reduction value are substantially the same (step S123: YES), the processor 230 advances the process to step S124.
  • step S124 the processor 230 specifies the product type associated with the product weight substantially matching the weight reduction value as the product type of the removed product, and stores the product type of the removed product and the number of removed products in the storage 220. Update the management table.
  • the processor 230 removes the placed product from the weight detection area when the weight of the placed product or a multiple thereof and the weight reduction value substantially match. Judge that it was done. As a result, the processor 230 can identify the product type of the product removed from the weight detection area even when a plurality of types of products are mixed in the weight detection area.
  • FIG. 11 is a processing flow diagram showing processing related to identification of rearranged products according to one embodiment.
  • products such as seasonings and cooking oils, which are not used-up products, gradually decrease with each use. It is assumed that such goods are removed from the weight detection area when used for cooking and then relocated to the weight detection area after being used for cooking.
  • step S210 the processor 230 acquires the weight reduction value detected by using the weight measuring device 100.
  • step S220 the processor 230 determines whether or not the weight increase value is acquired within a predetermined time after the weight decrease value is acquired in step S210. If the weight increase value is not acquired within a predetermined time after the weight decrease value is acquired (step S220: NO), the processor 230 proceeds to step S120 of FIG.
  • step S230 when the weight increase value is acquired within a predetermined time after the weight decrease value is acquired (step S220: YES), in step S230, the processor 230 has the weight reduction value acquired in step S210 and this weight. It is determined whether or not the difference from the weight increase value acquired within a predetermined time after the decrease value is acquired is within the predetermined value.
  • This predetermined value may differ for each product type.
  • a predetermined value different for each product type may be determined by learning using machine learning. At this time, the learning may be executed by the administrator of the server device 200 or by a third party based on the instruction of the administrator.
  • the learning may be executed by appropriately inquiring the user about the pros and cons of the determination between steps S230 and S250, which will be described later, and obtaining the answer. If the difference is not within a predetermined value (step S230: NO), in step S250, the processor 230 determines that another new product has been placed in the weight detection area, and proceeds to step S10 of FIG.
  • step S240 determines that the removed product has been rearranged (rearranged) in the weight detection area.
  • the processor 230 determines the weight increase value corresponding to the rearranged goods as the amount of the rearranged goods.
  • step S260 the processor 230 determines whether or not the weight increase value acquired within a predetermined time after acquiring the weight reduction value in step S210 is below the threshold value. If this weight increase value does not fall below the threshold value (step S260: NO), this flow ends.
  • step S270 the processor 230 is a product belonging to the product type of the product corresponding to this weight increase value (that is, the rearranged product). Order processing is performed. In the order processing, the processor 230 may perform the order processing so as to provide the user with the purchased number of products preset by the user.
  • the processor 230 determines the amount of the product determined to be rearranged in the weight detection area based on the weight increase value acquired after the weight reduction value is acquired. When the determined quantity of goods falls below the threshold value, the processor 230 executes the ordering process of the goods relocated to the weight detection area. As a result, the processor 230 can perform an appropriate ordering process for products such as seasonings and cooking oil, which are gradually reduced.
  • the product management method includes a purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and the weight of the placed product arranged in the weight detection area. Based on the acquisition of the weight increase value detected by using the weight measuring device 100 for measuring the product, the comparison between the product weight in the purchase history and the weight increase value, and the result of the comparison. It is to specify the product type of the arranged product arranged in the weight detection area from the product types in the purchase history. As a result, it is possible to provide a highly versatile product management method capable of handling a plurality of types of products while enabling product management based on the measurement result of the product weight.
  • FIG. 12 is a diagram showing a modified example of the weight measuring device 100.
  • the circles in FIG. 12 indicate the weight sensor.
  • the weight measuring device 100 is configured to measure the weight for each area in which the weight detection area is divided and to specify the area where the arranged products are arranged in the weight detection area. Will be done. For example, in the weight measuring device 100, by arranging a large number of weight sensors in a matrix and covering the weight sensors with a sheet of a rubber material, not only the weight of the arranged products but also the weight detection area in which the arranged products are arranged The position of can also be specified.
  • FIG. 13 is a diagram showing a management table of arranged products according to this modified example.
  • each placed product is associated with a coordinate position indicating an placement area in the weight detection area.
  • the processor 230 can specify the product type of the removed product in consideration of the area where the removed product is arranged when specifying the product type of the removed product. That is, the processor 230 performs a comparison between the product weight and the weight reduction value in the target record, determines whether or not the product weight and the weight reduction value substantially match, and in addition, substantially matches the product weight. It is determined whether or not the region in which the weight reduction value is detected substantially coincides with the region in which the weight increase value substantially matches the product weight.
  • the processor 230 determines that the region where the product weight and the weight reduction value substantially match and the region where the weight reduction value which substantially matches the product weight is detected coincides with the region where the weight increase value which substantially matches the product weight is detected. If so, the product type associated with the substantially matching product weight is specified as the product type of the removed product. As a result, the processor 230 can improve the accuracy of identifying the product type of the removed product. Further, when specifying the rearrangement of the removed product, the processor 230 can specify the rearrangement of the removed product in consideration of the area where the removed product is arranged.
  • the processor 230 detects the weight reduction value in addition to whether the difference between the weight reduction value and the weight increase value acquired within a predetermined time after acquiring the weight reduction value is within a predetermined value. It is determined whether or not the region substantially coincides with the detected region for the weight increase value acquired within a predetermined time after the weight reduction value is acquired. In the processor 230, the difference between the weight reduction value and the weight increase value acquired within a predetermined time after acquiring the weight reduction value is within a predetermined value, and the region where the weight reduction value is detected is the weight reduction. If it is determined that the weight increase value acquired within a predetermined time after the value is acquired substantially matches the detected area, it is determined that the removed product has been relocated to the weight detection area. As a result, the processor 230 can improve the accuracy of identifying the rearrangement of the removed goods.
  • the user's schedule information may be taken into consideration when determining the timing of ordering the product.
  • the processor 230 of the server device 200 acquires the user's schedule information from an external server (cloud server) and identifies the user's absence period. Then, the processor 230 performs the product order processing so that the product is not delivered during the user's absence period.
  • a program that causes a computer to execute each process performed by the weight measuring device 100 or the server device 200 may be provided.
  • the program may be recorded on a computer-readable medium.
  • Computer-readable media can be used to install programs on a computer.
  • the computer-readable medium on which the program is recorded may be a non-transient recording medium.
  • the non-transient recording medium is not particularly limited, but may be, for example, a recording medium such as a CD-ROM or a DVD-ROM.

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Abstract

This product management method is executed in a product-ordering system that executes order processing for a product on the basis of measurement results for the weight of the product. The product management method includes: acquiring a purchase history in which a product type of a purchased product is recorded in association with a product weight of the purchased product and a weight increase value detected using a weight measurement device that measures the weight of a disposed product that has been disposed in a prescribed position; executing a comparison between the product weight included in the purchase history and the weight increase value; and on the basis of the comparison results, identifying, from among the product types included in the purchase history, the product type of the disposed product that was disposed in the prescribed position.

Description

商品管理方法、装置、及びプログラムProduct management methods, equipment, and programs
　本開示は、商品管理方法、装置、及びプログラムに関する。 This disclosure relates to product management methods, devices, and programs.
　特許文献１には、商品を一度に購入する量である購入単位量を示す情報と、ユーザが使用中の商品の重量とを取得し、取得した購入単位量及び商品重量に基づいて商品の在庫量を特定し、在庫量に基づいて、購入単位量の商品の発注を推奨するタイミングを決定するシステムが記載されている。 In Patent Document 1, information indicating a purchase unit amount, which is the amount of goods purchased at one time, and the weight of the product being used by the user are acquired, and the inventory of the product is based on the acquired purchase unit amount and the product weight. A system is described that identifies the quantity and, based on the quantity in stock, determines when to recommend the ordering of the purchase unit quantity of goods.
特開２０１８－１６５９６３号公報JP-A-2018-165963
　第１の態様に係る商品管理方法は、商品の重量の測定結果に基づいて前記商品の発注処理を実行する商品発注システムにおいて実行される方法である。前記商品管理方法は、購入された商品の商品種別と前記購入された商品の商品重量とが対応付けて記録された購入履歴と、所定位置に配置された配置済み商品の重量を測定する測定装置を用いて検知された重量増加値とを取得することと、前記購入履歴に含まれる前記商品重量と前記重量増加値との比較を実行することと、該比較の結果に基づいて、前記購入履歴に含まれる前記商品種別の中から、前記所定位置に配置された前記配置済み商品の商品種別を特定することとを含む。 The product management method according to the first aspect is a method executed in a product ordering system that executes an ordering process for the product based on the measurement result of the weight of the product. The product management method is a measuring device that measures a purchase history recorded in association with a product type of a purchased product and a product weight of the purchased product, and a weight of an placed product placed at a predetermined position. To obtain the weight increase value detected by using the above, to perform a comparison between the product weight included in the purchase history and the weight increase value, and based on the result of the comparison, the purchase history. Includes specifying the product type of the placed product placed at the predetermined position from the product types included in the above.
　第２の態様に係る装置は、商品の重量の測定結果に基づいて前記商品の発注処理を実行する商品発注システムにおいて用いられる。前記装置は、購入された商品の商品種別と前記購入された商品の商品重量とが対応付けて記録された購入履歴と、所定位置に配置された配置済み商品の重量を測定する測定装置を用いて検知された重量増加値とを取得することと、前記購入履歴に含まれる前記商品重量と前記重量増加値との比較を実行することと、該比較の結果に基づいて、前記購入履歴に含まれる前記商品種別の中から、前記所定位置に配置された前記配置済み商品の商品種別を特定することと、を実行する少なくとも１つのプロセッサを備える。 The device according to the second aspect is used in a product ordering system that executes an ordering process for the product based on the measurement result of the weight of the product. The device uses a measuring device that measures the purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and the weight of the placed product placed at a predetermined position. To acquire the detected weight increase value, to compare the product weight included in the purchase history with the weight increase value, and to include in the purchase history based on the result of the comparison. It is provided with at least one processor for specifying the product type of the arranged product arranged at the predetermined position from the product types to be executed.
　第３の態様に係るプログラムは、商品の重量の測定結果に基づいて前記商品の発注処理を実行する商品発注システムにおいて用いられる装置に、購入された商品の商品種別と前記購入された商品の商品重量とが対応付けて記録された購入履歴と、所定位置に配置された配置済み商品の重量を測定する測定装置を用いて検知された重量増加値とを取得することと、前記購入履歴に含まれる前記商品重量と前記重量増加値との比較を実行することと、該比較の結果に基づいて、前記購入履歴に含まれる前記商品種別の中から、前記所定位置に配置された前記配置済み商品の商品種別を特定することとを実行させる。 In the program according to the third aspect, the product type of the purchased product and the product of the purchased product are supplied to the device used in the product ordering system that executes the ordering process of the product based on the measurement result of the weight of the product. Acquiring the purchase history recorded in association with the weight and the weight increase value detected by using a measuring device for measuring the weight of the placed product placed at a predetermined position are included in the purchase history. Execute the comparison between the product weight and the weight increase value, and based on the result of the comparison, the placed product placed at the predetermined position from the product types included in the purchase history. To specify the product type of.
一実施形態に係る商品発注システムの構成を示すシステム構成図である。It is a system block diagram which shows the structure of the product ordering system which concerns on one Embodiment. 一実施形態に係る重量測定装置の構成を示すブロック図である。It is a block diagram which shows the structure of the weight measuring apparatus which concerns on one Embodiment. 一実施形態に係るサーバ装置の構成を示すブロック図である。It is a block diagram which shows the structure of the server apparatus which concerns on one Embodiment. 一実施形態に係るユーザ情報を示す図である。It is a figure which shows the user information which concerns on one Embodiment. 一実施形態に係る購入履歴を示す図である。It is a figure which shows the purchase history which concerns on one Embodiment. 一実施形態に係る配置済み商品の特定に関する処理を示す処理フロー図である。It is a process flow diagram which shows the process about the identification of the arranged product which concerns on one Embodiment. 一実施形態に係る配置済み商品の管理テーブルを示す図である。It is a figure which shows the management table of the arranged product which concerns on one Embodiment. 図６のステップＳ２０の詳細を示す処理フロー図である。It is a processing flow diagram which shows the detail of step S20 of FIG. 一実施形態に係る撤去商品の特定に関する処理を示す処理フロー図である。It is a process flow diagram which shows the process about the identification of the removed product which concerns on one Embodiment. 図９のステップＳ１２０の詳細を示す処理フロー図である。It is a processing flow diagram which shows the detail of step S120 of FIG. 一実施形態に係る再配置商品の特定に関する処理を示す処理フロー図である。It is a process flow diagram which shows the process about the identification of the rearranged product which concerns on one Embodiment. 一実施形態に係る重量測定装置の変更例を示す図である。It is a figure which shows the modification example of the weight measuring apparatus which concerns on one Embodiment. 一実施形態に係る配置済み商品の管理テーブルの変更例を示す図である。It is a figure which shows the modification example of the management table of the arranged product which concerns on one Embodiment.
　特許文献１に記載のシステムは、商品重量の測定結果に基づいて在庫量を自動で管理可能であるものの、１つの種別の商品のみを取り扱うものであって、複数の種別の商品を取り扱うことを考慮しておらず、汎用性が低いという問題がある。 Although the system described in Patent Document 1 can automatically manage the inventory amount based on the measurement result of the product weight, it handles only one type of product and handles a plurality of types of products. There is a problem that the versatility is low without considering it.
　そこで、本開示は、商品重量の測定結果に基づく商品管理を可能としつつ、複数の種別の商品を取り扱うことが可能な汎用性の高い商品管理を提供する。 Therefore, the present disclosure provides highly versatile product management capable of handling a plurality of types of products while enabling product management based on the measurement result of product weight.
　以下において、実施形態について図面を参照しながら説明する。なお、以下の図面の記載において、同一又は類似の部分には、同一又は類似の符号を付している。 Hereinafter, embodiments will be described with reference to the drawings. In the description of the drawings below, the same or similar parts are designated by the same or similar reference numerals.
　但し、図面は模式的なものであり、各寸法の比率などは現実のものとは異なる場合があることに留意すべきである。従って、具体的な寸法などは以下の説明を参酌して判断すべきである。また、図面相互間においても互いの寸法の関係又は比率が異なる部分が含まれている場合があることは勿論である。 However, it should be noted that the drawings are schematic and the ratio of each dimension may differ from the actual one. Therefore, the specific dimensions should be determined in consideration of the following explanation. In addition, it goes without saying that parts having different dimensional relationships or ratios may be included between the drawings.
　（商品発注システムの構成）
　まず、一実施形態に係る商品発注システムの構成について説明する。図１は、一実施形態に係る商品発注システム１の構成を示すシステム構成図である。 (Structure of product ordering system)
First, the configuration of the product ordering system according to the embodiment will be described. FIG. 1 is a system configuration diagram showing a configuration of a product ordering system 1 according to an embodiment.
　商品発注システム１は、商品の重量の測定結果に基づいて商品の発注処理を実行するシステムである。ここで、商品は、発注の対象となる物品であればよいが、例えば、日用品（例えば、洗剤）、食品（飲料を含む）、医薬品、嗜好品等である。商品の発注処理とは、ユーザ側から商品提供者側に対して商品を発注する処理をいう。商品提供者側の観点では、商品の発注処理は商品の受注処理とみなすことができる。商品の発注処理は、全自動の発注処理であってもよいし、半自動の発注処理であってもよい。半自動の発注処理とは、システム上で商品の発注処理を行う前に、この発注処理の可否についてユーザに問い合わせるような方式をいう。 The product ordering system 1 is a system that executes a product ordering process based on the measurement result of the weight of the product. Here, the product may be an article to be ordered, and may be, for example, daily necessities (for example, detergent), food (including beverages), pharmaceuticals, luxury items, and the like. The product ordering process is a process of ordering a product from the user side to the product provider side. From the product provider's point of view, the product order processing can be regarded as the product order processing. The product ordering process may be a fully automatic ordering process or a semi-automatic ordering process. The semi-automatic order processing is a method of inquiring the user about the availability of this order processing before the order processing of the product is performed on the system.
　図１に示すように、商品発注システム１は、ユーザ宅Ｈに設けられる重量測定装置１００と、ネットワーク２０を介して重量測定装置１００との通信を行うサーバ装置２００とを有する。 As shown in FIG. 1, the product ordering system 1 has a weight measuring device 100 provided in the user's home H and a server device 200 that communicates with the weight measuring device 100 via the network 20.
　図１において、商品発注サービスを利用する複数のユーザ（ユーザＡ乃至Ｃ）に対応する複数のユーザ宅Ｈ（Ｈ＿Ａ、Ｈ＿Ｂ、Ｈ＿Ｃ）を例示している。ユーザ宅Ｈ＿Ａには重量測定装置１００Ａが設けられ、ユーザ宅Ｈ＿Ｂには重量測定装置１００Ｂが設けられ、ユーザ宅Ｈ＿Ｃには重量測定装置１００Ｃが設けられる。以下において、重量測定装置１００Ａ乃至１００Ｃを特に区別しないときは単に重量測定装置１００と呼ぶ。 FIG. 1 illustrates a plurality of user homes H (H_A, H_B, H_C) corresponding to a plurality of users (users A to C) who use the product ordering service. The user's house H_A is provided with a weight measuring device 100A, the user's house H_B is provided with a weight measuring device 100B, and the user's house H_C is provided with a weight measuring device 100C. In the following, when the weight measuring devices 100A to 100C are not particularly distinguished, they are simply referred to as the weight measuring device 100.
　重量測定装置１００は、所定位置に配置された配置済み商品の重量を測定する装置である。所定位置とは、重量測定装置１００の測定面（上面）の位置をいう。但し、重量測定装置１００上に、配置済み商品を支持又は保持する部材又は機構が設けられる場合、所定位置とは、これらの部材又は機構により配置済み商品が支持又は保持される位置をいう。以下において、このような所定位置を「重量検知エリア」と呼ぶ。重量測定装置１００は、通信機能を有しており、ネットワーク２０を介して重量の測定結果をサーバ装置２００に送信する。 The weight measuring device 100 is a device that measures the weight of an placed product placed at a predetermined position. The predetermined position refers to the position of the measurement surface (upper surface) of the weight measuring device 100. However, when a member or mechanism for supporting or holding the arranged product is provided on the weight measuring device 100, the predetermined position means a position where the arranged product is supported or held by these members or the mechanism. Hereinafter, such a predetermined position will be referred to as a “weight detection area”. The weight measuring device 100 has a communication function, and transmits a weight measurement result to the server device 200 via the network 20.
　ネットワーク２０は、インターネットを含む。ネットワーク２０は、狭域通信網（ＬＡＮ：Ｌｏｃａｌ　Ａｒｅａ　Ｎｅｔｗｏｒｋ）及び高域通信網（ＷＡＮ：Ｗｉｄｅ　Ａｒｅａ　Ｎｅｔｗｏｒｋ）の少なくとも１つを含んでもよい。ＬＡＮは、ＩＥＥＥ８０２．１１などの通信規格を用いた無線ＬＡＮであってもよい。ＷＡＮは、例えばＬＰＷＡ（Ｌｏｗ　Ｐｏｗｅｒ　Ｗｉｄｅ　Ａｒｅａ）技術を用いた無線ＷＡＮであってもよい。 Network 20 includes the Internet. The network 20 may include at least one of a narrow area communication network (LAN: Local Area Network) and a high area communication network (WAN: Wide Area Network). The LAN may be a wireless LAN using a communication standard such as IEEE 802.11. The WAN may be, for example, a wireless WAN using LPWA (Low Power Wide Area) technology.
　サーバ装置２００は、重量測定装置１００からネットワーク２０を介して重量測定結果を取得し、取得した重量測定結果に基づいて商品の発注処理を行う。具体的には、サーバ装置２００は、重量測定結果に基づいて商品の商品種別を特定する。商品種別とは、商品名又は商品の型番等をいう。商品名は、製造業者名との組み合わせにより構成されてもよい（例えば、「ＸＸＸベバレッジ社の水」等）。そして、サーバ装置２００は、重量測定結果に基づいて、商品の商品種別ごとに商品の数（在庫数）又は商品の量（在庫量）を判定し、判定した数又は量が閾値を下回った場合、該当する商品種別と同種の商品の発注処理を行う。 The server device 200 acquires a weight measurement result from the weight measurement device 100 via the network 20, and orders a product based on the acquired weight measurement result. Specifically, the server device 200 specifies the product type of the product based on the weight measurement result. The product type refers to the product name or the model number of the product. The product name may be configured in combination with the manufacturer name (eg, "XXX Beverage Water", etc.). Then, the server device 200 determines the number of products (inventory quantity) or the quantity of products (inventory quantity) for each product type of the product based on the weight measurement result, and when the determined number or quantity falls below the threshold value. , Perform order processing of products of the same type as the applicable product type.
　（重量測定装置の構成）
　次に、一実施形態に係る重量測定装置１００の構成について説明する。図２は、一実施形態に係る重量測定装置１００の構成を示すブロック図である。 (Structure of weight measuring device)
Next, the configuration of the weight measuring device 100 according to the embodiment will be described. FIG. 2 is a block diagram showing the configuration of the weight measuring device 100 according to the embodiment.
　図２に示すように、重量測定装置１００は、重量センサ１１０と、通信インターフェイス１２０と、ストレージ１３０と、プロセッサ１４０とを有する。重量測定装置１００は、図示しないバッテリにより駆動されてもよいし、商用電源（ＡＣ電源）により駆動されてもよい。 As shown in FIG. 2, the weight measuring device 100 includes a weight sensor 110, a communication interface 120, a storage 130, and a processor 140. The weight measuring device 100 may be driven by a battery (not shown) or a commercial power source (AC power source).
　重量センサ１１０は、重量検知エリアに配置された配置済み商品の重量を測定し、測定結果を示す信号をプロセッサ１４０に出力する。重量センサ１１０は、重量を測定可能なセンサであればどのようなセンサであってもよい。重量センサ１１０は、測定結果を示すアナログ信号をデジタル信号に変換するＡ／Ｄ変換器を含む。 The weight sensor 110 measures the weight of the placed product placed in the weight detection area, and outputs a signal indicating the measurement result to the processor 140. The weight sensor 110 may be any sensor as long as it can measure the weight. The weight sensor 110 includes an A / D converter that converts an analog signal indicating a measurement result into a digital signal.
　通信インターフェイス１２０は、ネットワーク２０に有線で接続する有線通信インターフェイス又はネットワーク２０に無線で接続する無線通信インターフェイスである。通信インターフェイス１２０が無線通信インターフェイスである場合、通信インターフェイス１２０は、ネットワーク２０からの無線信号をベースバンド帯のデジタル信号である受信信号に変換し、受信信号をプロセッサ１４０に出力する。また、通信インターフェイス１２０は、プロセッサ１４０からのベースバンド帯のデジタル信号である送信信号を無線信号に変換し、無線信号をネットワーク２０に送信する。 The communication interface 120 is a wired communication interface that connects to the network 20 by wire or a wireless communication interface that connects to the network 20 wirelessly. When the communication interface 120 is a wireless communication interface, the communication interface 120 converts the wireless signal from the network 20 into a received signal which is a digital signal in the baseband band, and outputs the received signal to the processor 140. Further, the communication interface 120 converts a transmission signal which is a baseband digital signal from the processor 140 into a radio signal, and transmits the radio signal to the network 20.
　ストレージ１３０は、ＲＯＭ（Ｒｅａｄ　Ｏｎｌｙ　Ｍｅｍｏｒｙ）及びＲＡＭ（Ｒａｎｄｏｍ　Ａｃｃｅｓｓ　Ｍｅｍｏｒｙ）を含み、プロセッサ１４０により実行されるプログラムと、プロセッサ１４０における処理に用いられる情報とを記憶する。ストレージ１３０は、重量測定装置１００のＩＤである測定装置ＩＤを予め記憶している。 The storage 130 includes a ROM (Read Only Memory) and a RAM (Random Access Memory), and stores a program executed by the processor 140 and information used for processing in the processor 140. The storage 130 stores in advance a measuring device ID, which is an ID of the weight measuring device 100.
　プロセッサ１４０は、ストレージ１３０に記憶されたプログラムを実行することにより、プログラムに応じた処理を行う。プロセッサ１４０は、重量センサ１１０から出力される測定結果とストレージ１３０に記憶された測定装置ＩＤとを、通信インターフェイス１２０を介してサーバ装置２００に送信する。 The processor 140 performs processing according to the program by executing the program stored in the storage 130. The processor 140 transmits the measurement result output from the weight sensor 110 and the measurement device ID stored in the storage 130 to the server device 200 via the communication interface 120.
　例えば、プロセッサ１４０は、重量センサ１１０が重量の増加を検知した場合、この増加分の重量を示す重量増加値を算出し、算出した重量増加値をサーバ装置２００に送信する。プロセッサ１４０は、重量センサ１１０が重量の減少を検知した場合、この減少分の重量を示す重量減少値を算出し、算出した重量減少値をサーバ装置２００に送信する。 For example, when the weight sensor 110 detects an increase in weight, the processor 140 calculates a weight increase value indicating the weight of this increase, and transmits the calculated weight increase value to the server device 200. When the weight sensor 110 detects a weight loss, the processor 140 calculates a weight loss value indicating the weight of the weight loss, and transmits the calculated weight loss value to the server device 200.
　或いは、プロセッサ１４０は、重量センサ１１０により測定される現在の重量を定期的にサーバ装置２００に送信してもよい。この場合、サーバ装置２００は、重量測定装置１００から定期的に送信される重量の値に基づいて重量の増加を検知し、この増加分の重量を示す重量増加値を算出してもよい。また、サーバ装置２００が重量の減少を検知し、この減少分の重量を示す重量減少値を算出してもよい。 Alternatively, the processor 140 may periodically transmit the current weight measured by the weight sensor 110 to the server device 200. In this case, the server device 200 may detect an increase in weight based on a weight value periodically transmitted from the weight measuring device 100, and may calculate a weight increase value indicating the weight of this increase. Further, the server device 200 may detect a weight loss and calculate a weight loss value indicating the weight of the weight loss.
　（サーバ装置の構成）
　次に、一実施形態に係るサーバ装置２００の構成について説明する。図３は、一実施形態に係るサーバ装置２００の構成を示すブロック図である。 (Configuration of server device)
Next, the configuration of the server device 200 according to the embodiment will be described. FIG. 3 is a block diagram showing the configuration of the server device 200 according to the embodiment.
　図３に示すように、サーバ装置２００は、通信インターフェイス２１０と、ストレージ２２０と、プロセッサ２３０とを有する。 As shown in FIG. 3, the server device 200 has a communication interface 210, a storage 220, and a processor 230.
　通信インターフェイス２１０は、ネットワーク２０に有線で接続する有線通信インターフェイス又はネットワーク２０に無線で接続する無線通信インターフェイスである。 The communication interface 210 is a wired communication interface that connects to the network 20 by wire or a wireless communication interface that connects to the network 20 wirelessly.
　ストレージ２２０は、ＲＯＭ、ＲＡＭ、及び補助記憶装置を含み、プロセッサ２３０により実行されるプログラムと、プロセッサ２３０における処理に用いられる情報とを記憶する。ストレージ２２０は、商品発注サービスを利用するユーザごとにユーザ情報を記憶する。或いは、サーバ装置２００内のストレージ２２０がユーザ情報を記憶することに代えて、外部サーバ（例えば、クラウドサーバ）がユーザ情報を記憶していてもよい。 The storage 220 includes a ROM, a RAM, and an auxiliary storage device, and stores a program executed by the processor 230 and information used for processing in the processor 230. The storage 220 stores user information for each user who uses the product ordering service. Alternatively, instead of the storage 220 in the server device 200 storing the user information, an external server (for example, a cloud server) may store the user information.
　図４は、一実施形態に係るユーザ情報を示す図である。図４に示すように、ユーザ情報は、ユーザのＩＤであるユーザＩＤと、このユーザが用いる重量測定装置１００のＩＤである測定装置ＩＤと、このユーザについての商品配送先（例えば、住所）と、このユーザが商品の代金の支払いに用いる支払い情報（例えば、クレジットカード情報）と、このユーザが過去に購入した商品に関する購入履歴とを含む。 FIG. 4 is a diagram showing user information according to one embodiment. As shown in FIG. 4, the user information includes a user ID which is a user ID, a measuring device ID which is an ID of the weight measuring device 100 used by the user, and a product delivery destination (for example, an address) for the user. , Includes payment information (eg, credit card information) that this user uses to pay for goods and purchase history for goods that this user has purchased in the past.
　図５は、一実施形態に係る購入履歴を示す図である。図５に示すように、購入履歴は、ユーザが購入した商品ごとに、商品種別と商品重量と商品購入数と購入日時とを対応付けて記録したものである。ある商品の商品種別、商品重量、商品購入数、及び購入日時の組み合わせは、レコードと呼ぶ。ここで、商品を購入する態様としては、１個の商品を個別に購入する態様と、複数個の同種商品のセットを一括して購入する態様とがある。 FIG. 5 is a diagram showing a purchase history according to one embodiment. As shown in FIG. 5, the purchase history is recorded by associating the product type, the product weight, the number of product purchases, and the purchase date and time for each product purchased by the user. The combination of the product type, product weight, number of product purchases, and purchase date and time of a certain product is called a record. Here, as a mode of purchasing a product, there are a mode of purchasing one product individually and a mode of purchasing a set of a plurality of similar products at once.
　例えば、ペットボトル入りのミネラルウォーターなどの水は、複数個まとめて購入されることが一般的である。このような一括購入の商品について、購入履歴中の商品重量は、商品１個当たりの重量（以下、単位重量と呼ぶ）であってもよい。図５において、「ＸＸＸベバレッジ社の水」は、５本まとめて購入される一括購入商品であって、且つ単位重量が５００ｇである一例を示している。このような場合、プロセッサ２３０は、まとめて購入された複数個の商品の個数を単位重量に掛けることで、まとめて購入された複数個の商品の総重量を算出し、購入履歴とともに管理してもよい。或いは、購入履歴中の商品重量は、まとめて購入された複数個の商品の総重量であってもよい。このような場合、プロセッサ２３０は、まとめて購入された商品の個数で総重量を割ることで、まとめて購入された複数個の商品の単位重量を算出し、購入履歴とともに管理してもよい。 For example, it is common to purchase a plurality of waters such as mineral water in PET bottles at once. For such bulk-purchased products, the product weight in the purchase history may be the weight per product (hereinafter referred to as unit weight). In FIG. 5, "XX Beverage's water" shows an example of a bulk-purchased product in which five bottles are purchased together and the unit weight is 500 g. In such a case, the processor 230 calculates the total weight of the plurality of products purchased together by multiplying the unit weight by the number of the plurality of products purchased collectively, and manages the total weight together with the purchase history. May be good. Alternatively, the product weight in the purchase history may be the total weight of a plurality of products purchased together. In such a case, the processor 230 may calculate the unit weight of the plurality of products purchased in bulk by dividing the total weight by the number of products purchased in bulk and manage it together with the purchase history.
　プロセッサ２３０は、ストレージ２２０に記憶されたプログラムを実行することにより、プログラムに応じた処理を行う。以下において、後述する商品管理方法をサーバ装置２００のプロセッサ２３０が実行する一例について説明するが、該商品管理方法の一部又は全部を重量測定装置１００のプロセッサ１４０が実行してもよい。 The processor 230 performs processing according to the program by executing the program stored in the storage 220. An example in which the processor 230 of the server device 200 executes the product management method described later will be described below, but the processor 140 of the weight measuring device 100 may execute a part or all of the product management method.
　（商品管理方法）
　次に、一実施形態に係る商品管理方法について説明する。 (Product management method)
Next, the product management method according to the embodiment will be described.
　（１）配置済み商品の特定に関する処理
　図６は、一実施形態に係る配置済み商品の特定に関する処理を示す処理フロー図である。 (1) Processing related to identification of arranged products FIG. 6 is a processing flow diagram showing processing related to identification of arranged products according to one embodiment.
　図６に示すように、ステップＳ１０において、プロセッサ２３０は、購入された商品の商品種別と購入された商品の商品重量とが対応付けて記録された購入履歴（図５参照）と、重量測定装置１００を用いて検知された重量増加値とを取得する。例えば、プロセッサ２３０は、あるユーザの重量測定装置１００を用いて重量増加値が検知された場合、このユーザの購入履歴をストレージ２２０又は外部サーバから取得する。 As shown in FIG. 6, in step S10, the processor 230 has a purchase history (see FIG. 5) recorded in association with the product type of the purchased product and the product weight of the purchased product, and a weight measuring device. The weight increase value detected by using 100 is acquired. For example, when the weight increase value is detected by using the weight measuring device 100 of a certain user, the processor 230 acquires the purchase history of this user from the storage 220 or an external server.
　ステップＳ２０において、プロセッサ２３０は、ステップＳ１０で取得した購入履歴中の商品重量と、ステップＳ１０で取得した重量増加値との比較を実行する。プロセッサ２３０は、このような比較処理を購入履歴中のレコード（すなわち、商品種別）ごとに実行する。但し、プロセッサ２３０は、ステップＳ１０で取得した購入履歴中のレコードのうち、配置済み商品として特定済みの商品に対応するレコードについては、このような比較処理を省略してもよい。ステップＳ２０の詳細については後述する。 In step S20, the processor 230 compares the product weight in the purchase history acquired in step S10 with the weight increase value acquired in step S10. The processor 230 executes such a comparison process for each record (that is, product type) in the purchase history. However, the processor 230 may omit such a comparison process for the record corresponding to the product specified as the placed product among the records in the purchase history acquired in step S10. The details of step S20 will be described later.
　ステップＳ３０において、プロセッサ２３０は、ステップＳ２０における比較の結果に基づいて、ステップＳ１０で取得した購入履歴中の商品種別の中から、重量検知エリアに配置された配置済み商品の商品種別を特定する。具体的には、プロセッサ２３０は、重量増加値と合致する商品種別を、新たな配置済み商品の商品種別として特定する。 In step S30, the processor 230 identifies the product type of the arranged product arranged in the weight detection area from the product types in the purchase history acquired in step S10 based on the comparison result in step S20. Specifically, the processor 230 specifies a product type that matches the weight increase value as a product type of a new placed product.
　ステップＳ４０において、プロセッサ２３０は、配置済み商品の管理テーブルを更新する。具体的には、プロセッサ２３０は、ステップＳ３０で特定した配置済み商品の情報を追加するように管理テーブルを更新する。 In step S40, the processor 230 updates the management table of the placed products. Specifically, the processor 230 updates the management table so as to add the information of the placed product specified in step S30.
　図７は、一実施形態に係る配置済み商品の管理テーブルを示す図である。図７に示すように、管理テーブルは、特定した商品種別ごとに、商品重量と配置数と現在重量とを対応付けて記録したものである。ここで、商品重量は、購入履歴中の商品重量と同じものである。配置数は、重量検知エリアに配置された配置済み商品の数である。配置数は、購入履歴中の商品購入数と同じである場合と、購入履歴中の商品購入数よりも少ない場合とがある。現在重量は、商品種別ごとの最新の重量である。 FIG. 7 is a diagram showing a management table of arranged products according to one embodiment. As shown in FIG. 7, the management table records the product weight, the number of arrangements, and the current weight in association with each specified product type. Here, the product weight is the same as the product weight in the purchase history. The number of arrangements is the number of arranged products arranged in the weight detection area. The number of arrangements may be the same as the number of product purchases in the purchase history, or may be less than the number of product purchases in the purchase history. The current weight is the latest weight for each product type.
　図８は、図６のステップＳ２０の詳細を示す処理フロー図である。プロセッサ２３０は、図８に示す処理フローを、購入履歴中のレコードごとに実行する。 FIG. 8 is a processing flow diagram showing details of step S20 of FIG. The processor 230 executes the processing flow shown in FIG. 8 for each record in the purchase history.
　図８に示すように、ステップＳ２１において、プロセッサ２３０は、ステップＳ１０で取得した購入履歴の対象レコード中の購入日時と、ステップＳ１０における重量増加値の取得タイミングとの差を算出し、この差が所定時間以内であるか否かを判定する。この所定時間としては、例えば１ヶ月又は１週間といった時間が設定される。 As shown in FIG. 8, in step S21, the processor 230 calculates the difference between the purchase date and time in the target record of the purchase history acquired in step S10 and the acquisition timing of the weight increase value in step S10, and this difference is calculated. It is determined whether or not it is within a predetermined time. As the predetermined time, for example, one month or one week is set.
　購入日時と重量増加値の取得タイミングとの差が所定時間以内ではない場合（ステップＳ２１：ＮＯ）、対象レコードに対する処理が終了する。この場合、重量増加値との比較が行われないことになる。このように、プロセッサ２３０は、購入履歴中の購入日時に基づいて、重量増加値の取得タイミングから遡って所定時間内に購入された商品についてのみ比較を実行する。例えば、ユーザが購入してから半年又は１年経過しているような商品が重量検知エリアに配置される可能性は低いため、そのような商品を除外することにより、配置済み商品を特定する精度を高めることができる。 If the difference between the purchase date and time and the acquisition timing of the weight increase value is not within the predetermined time (step S21: NO), the processing for the target record ends. In this case, the comparison with the weight increase value is not performed. In this way, the processor 230 executes the comparison only for the products purchased within the predetermined time from the acquisition timing of the weight increase value based on the purchase date and time in the purchase history. For example, it is unlikely that a product that has been purchased by a user for half a year or a year has been placed in the weight detection area, so by excluding such products, the accuracy of identifying the placed product is accurate. Can be enhanced.
　一方、購入日時と重量増加値の取得タイミングとの差が所定時間以内である場合（ステップＳ２１：ＹＥＳ）、ステップＳ２２において、プロセッサ２３０は、対象レコード中の商品種別が一括購入された商品に該当するか否かを判定する。例えば、プロセッサ２３０は、対象レコード中の商品購入数が２以上の値である場合、対象レコード中の商品種別が一括購入された商品に該当すると判定する。 On the other hand, when the difference between the purchase date and time and the acquisition timing of the weight increase value is within a predetermined time (step S21: YES), in step S22, the processor 230 corresponds to the product whose product type in the target record is collectively purchased. Determine whether or not to do so. For example, when the number of product purchases in the target record is 2 or more, the processor 230 determines that the product type in the target record corresponds to the products purchased in bulk.
　対象レコード中の商品種別が一括購入された商品に該当する場合（ステップＳ２２：ＹＥＳ）、ステップＳ２３において、プロセッサ２３０は、対象レコード中の総重量と重量増加値との比較を実行し、総重量と重量増加値とが略一致するか否かを判定する。ここで、「略一致する」とは、完全一致に限らず、測定誤差等を加味して実質的に一致するとみなす場合も含む。総重量と重量増加値とが略一致しない場合（ステップＳ２３：ＮＯ）、対象レコードに対する処理が終了する。総重量と重量増加値とが略一致する場合（ステップＳ２３：ＹＥＳ）、プロセッサ２３０は、処理をステップＳ２５に進める。なお、ステップＳ２３において、プロセッサ２３０は、対象レコード中の単位重量の倍数と重量増加値との比較を実行し、単位重量の倍数と重量増加値とが略一致するか否かを判定してもよい。「倍数」は、１倍以上の倍数であって、且つ、対象レコード中の商品購入数以下の値である。 When the product type in the target record corresponds to the product purchased in bulk (step S22: YES), in step S23, the processor 230 executes a comparison between the total weight in the target record and the weight increase value, and the total weight. It is determined whether or not the weight increase value and the weight increase value substantially match. Here, "substantially matching" is not limited to perfect matching, but also includes a case where it is considered to be substantially matching in consideration of measurement error and the like. When the total weight and the weight increase value do not substantially match (step S23: NO), the processing for the target record ends. When the total weight and the weight increase value are substantially the same (step S23: YES), the processor 230 advances the process to step S25. In step S23, the processor 230 may perform comparison between the multiple of the unit weight and the weight increase value in the target record, and determine whether or not the multiple of the unit weight and the weight increase value substantially match. Good. The "multiple" is a value that is a multiple of 1 or more and is equal to or less than the number of purchased products in the target record.
　一方、対象レコード中の商品種別が一括購入された商品に該当しない場合（ステップＳ２２：ＮＯ）、ステップＳ２４において、プロセッサ２３０は、対象レコード中の商品重量と重量増加値との比較を実行し、商品重量と重量増加値とが略一致するか否かを判定する。商品重量と重量増加値とが略一致しない場合（ステップＳ２４：ＮＯ）、対象レコードに対する処理が終了する。商品重量と重量増加値とが略一致する場合（ステップＳ２４：ＹＥＳ）、プロセッサ２３０は、処理をステップＳ２５に進める。 On the other hand, when the product type in the target record does not correspond to the product purchased in bulk (step S22: NO), in step S24, the processor 230 executes a comparison between the product weight in the target record and the weight increase value. It is determined whether or not the product weight and the weight increase value substantially match. When the product weight and the weight increase value do not substantially match (step S24: NO), the processing for the target record ends. When the product weight and the weight increase value substantially match (step S24: YES), the processor 230 advances the process to step S25.
　ステップＳ２５において、プロセッサ２３０は、重量増加値と合致する配置済み商品の商品種別として、対象レコード中の商品種別をストレージ２２０に記憶させる。 In step S25, the processor 230 stores the product type in the target record in the storage 220 as the product type of the arranged product that matches the weight increase value.
　このように、プロセッサ２３０は、重量検知したタイミングの過去一定時間内に購入された商品の重量又はその倍数と、重量検知エリアに置かれて検知した重量とが略一致する場合、該購入された商品が重量検知エリアに配置されたと判定する。これにより、プロセッサ２３０は、複数の種別の商品が重量検知エリアに混在する場合であっても、新たに重量検知エリアに配置された商品の商品種別を特定できる。 As described above, the processor 230 is purchased when the weight of the product purchased within the past fixed time of the weight detection timing or a multiple thereof and the weight detected in the weight detection area substantially match. It is determined that the product has been placed in the weight detection area. Thereby, the processor 230 can specify the product type of the product newly arranged in the weight detection area even when a plurality of types of products are mixed in the weight detection area.
　（２）撤去商品の特定に関する処理
　図９は、一実施形態に係る撤去商品の特定に関する処理を示す処理フロー図である。 (2) Processing related to identification of removed products FIG. 9 is a processing flow diagram showing processing related to identification of removed products according to one embodiment.
　図９に示すように、ステップＳ１１０において、プロセッサ２３０は、重量測定装置１００を用いて検知された重量減少値を取得する。 As shown in FIG. 9, in step S110, the processor 230 acquires the weight reduction value detected by using the weight measuring device 100.
　ステップＳ１２０において、プロセッサ２３０は、配置済み商品の管理テーブル中のレコードごとに、ステップＳ１１０で取得した重量減少値との比較を実行する。ステップＳ１２０の詳細については後述する。 In step S120, the processor 230 executes a comparison with the weight reduction value acquired in step S110 for each record in the management table of the placed products. Details of step S120 will be described later.
　ステップＳ１３０において、プロセッサ２３０は、ステップＳ１２０における比較の結果に基づいて、配置済み商品の商品種別の中から、重量検知エリアから撤去された撤去商品の商品種別を特定する。具体的には、プロセッサ２３０は、重量減少値と合致する商品種別を撤去商品の商品種別として特定する。 In step S130, the processor 230 identifies the product type of the removed product removed from the weight detection area from the product types of the placed products based on the result of the comparison in step S120. Specifically, the processor 230 specifies a product type that matches the weight reduction value as a product type of the removed product.
　ステップＳ１４０において、プロセッサ２３０は、ステップＳ１３０における撤去商品の特定結果（撤去商品の数）と、この撤去商品の商品種別と対応付けられた購入履歴中の商品購入数とに基づいて、この撤去商品の商品種別に属する商品の在庫数を判定する。 In step S140, the processor 230 uses the removed product based on the specific result of the removed product (number of removed products) in step S130 and the number of purchased products in the purchase history associated with the product type of the removed product. Determine the number of products in stock that belong to the product type of.
　ステップＳ１５０において、プロセッサ２３０は、ステップＳ１４０で判定された在庫数が閾値を下回ったか否かを判定する。ステップＳ１４０で判定された在庫数が閾値を下回っていない場合（ステップＳ１５０：ＮＯ）、処理が終了する。 In step S150, the processor 230 determines whether or not the number of stocks determined in step S140 is below the threshold value. If the number of stocks determined in step S140 does not fall below the threshold value (step S150: NO), the process ends.
　一方、ステップＳ１４０で判定された在庫数が閾値を下回った場合（ステップＳ１５０：ＹＥＳ）、ステップＳ１６０において、プロセッサ２３０は、ステップＳ１３０で特定された撤去商品の商品種別に属する商品の発注処理を行う。発注処理において、プロセッサ２３０は、予めユーザにより設定された商品購入数の商品をこのユーザに提供するように発注処理を行ってもよい。 On the other hand, when the inventory quantity determined in step S140 is less than the threshold value (step S150: YES), in step S160, the processor 230 performs the order processing of the product belonging to the product type of the removed product specified in step S130. .. In the order processing, the processor 230 may perform the order processing so as to provide the user with the number of products purchased in advance set by the user.
　図１０は、図９のステップＳ１２０の詳細を示す処理フロー図である。プロセッサ２３０は、図１０に示す処理フローを、配置済み商品の管理テーブル中のレコードごとに実行する。 FIG. 10 is a processing flow diagram showing details of step S120 of FIG. The processor 230 executes the processing flow shown in FIG. 10 for each record in the management table of the arranged products.
　図１０に示すように、ステップＳ１２１において、プロセッサ２３０は、対象レコード中の商品種別が一括購入された商品に該当するか否かを判定する。 As shown in FIG. 10, in step S121, the processor 230 determines whether or not the product type in the target record corresponds to a product purchased in bulk.
　対象レコード中の商品種別が一括購入された商品に該当する場合（ステップＳ１２１：ＹＥＳ）、ステップＳ１２２において、プロセッサ２３０は、対象レコード中の単位重量の倍数と重量減少値との比較を実行し、単位重量の倍数と重量減少値とが略一致するか否かを判定する。ここで、「倍数」は、１倍以上の倍数であって、且つ、対象レコード中の配置数以下の値である。倍数が２倍以上である場合、２個以上の配置済み商品が撤去されたことになる。単位重量の倍数と重量減少値とが略一致しない場合（ステップＳ１２２：ＮＯ）、対象レコードに対する処理が終了する。単位重量の倍数と重量減少値とが略一致する場合（ステップＳ１２２：ＹＥＳ）、プロセッサ２３０は、処理をステップＳ１２４に進める。 When the product type in the target record corresponds to the product purchased in bulk (step S121: YES), in step S122, the processor 230 executes a comparison between the multiple of the unit weight in the target record and the weight reduction value. It is determined whether or not the multiple of the unit weight and the weight reduction value substantially match. Here, the "multiple" is a value that is a multiple of 1 or more and is equal to or less than the number of arrangements in the target record. If the multiple is more than twice, it means that two or more placed products have been removed. When the multiple of the unit weight and the weight reduction value do not substantially match (step S122: NO), the processing for the target record ends. When the multiple of the unit weight and the weight reduction value substantially match (step S122: YES), the processor 230 advances the process to step S124.
　一方、対象レコード中の商品種別が一括購入された商品に該当しない場合（ステップＳ１２１：ＮＯ）、ステップＳ１２３において、プロセッサ２３０は、対象レコード中の商品重量と重量減少値との比較を実行し、商品重量と重量減少値とが略一致するか否かを判定する。商品重量と重量減少値とが略一致しない場合（ステップＳ１２３：ＮＯ）、対象レコードに対する処理が終了する。商品重量と重量減少値とが略一致する場合（ステップＳ１２３：ＹＥＳ）、プロセッサ２３０は、処理をステップＳ１２４に進める。 On the other hand, when the product type in the target record does not correspond to the product purchased in bulk (step S121: NO), in step S123, the processor 230 executes a comparison between the product weight in the target record and the weight reduction value. It is determined whether or not the product weight and the weight reduction value substantially match. When the product weight and the weight reduction value do not substantially match (step S123: NO), the processing for the target record ends. When the product weight and the weight reduction value are substantially the same (step S123: YES), the processor 230 advances the process to step S124.
　ステップＳ１２４において、プロセッサ２３０は、重量減少値と略一致する商品重量と対応付けられた商品種別を撤去商品の商品種別として特定し、撤去商品の商品種別及びその撤去数をストレージ２２０に記憶させ、管理テーブルを更新する。 In step S124, the processor 230 specifies the product type associated with the product weight substantially matching the weight reduction value as the product type of the removed product, and stores the product type of the removed product and the number of removed products in the storage 220. Update the management table.
　このように、プロセッサ２３０は、重量検出エリアから撤去商品が撤去された際に、配置済み商品の重量又はその倍数と重量減少値とが略一致する場合、この配置済み商品が重量検知エリアから撤去されたと判定する。これにより、プロセッサ２３０は、複数の種別の商品が重量検知エリアに混在する場合であっても、重量検知エリアから撤去された商品の商品種別を特定できる。 In this way, when the removed product is removed from the weight detection area, the processor 230 removes the placed product from the weight detection area when the weight of the placed product or a multiple thereof and the weight reduction value substantially match. Judge that it was done. As a result, the processor 230 can identify the product type of the product removed from the weight detection area even when a plurality of types of products are mixed in the weight detection area.
　（３）再配置商品の特定に関する処理
　図１１は、一実施形態に係る再配置商品の特定に関する処理を示す処理フロー図である。本処理フローでは、使い切りの商品ではなく、調味料や食用油などのように、使用する度に徐々に減少していく商品を想定する。このような商品は、調理に使用される際に重量検知エリアから撤去され、調理に使用された後に重量検知エリアに再び配置されると仮定している。 (3) Processing related to identification of rearranged products FIG. 11 is a processing flow diagram showing processing related to identification of rearranged products according to one embodiment. In this processing flow, it is assumed that products such as seasonings and cooking oils, which are not used-up products, gradually decrease with each use. It is assumed that such goods are removed from the weight detection area when used for cooking and then relocated to the weight detection area after being used for cooking.
　図１１に示すように、ステップＳ２１０において、プロセッサ２３０は、重量測定装置１００を用いて検知された重量減少値を取得する。 As shown in FIG. 11, in step S210, the processor 230 acquires the weight reduction value detected by using the weight measuring device 100.
　ステップＳ２２０において、プロセッサ２３０は、ステップＳ２１０で重量減少値を取得してから所定時間以内に重量増加値が取得されたか否かを判定する。重量減少値を取得してから所定時間以内に重量増加値が取得されない場合（ステップＳ２２０：ＮＯ）、プロセッサ２３０は、図９のステップＳ１２０に処理を進める。 In step S220, the processor 230 determines whether or not the weight increase value is acquired within a predetermined time after the weight decrease value is acquired in step S210. If the weight increase value is not acquired within a predetermined time after the weight decrease value is acquired (step S220: NO), the processor 230 proceeds to step S120 of FIG.
　一方、重量減少値を取得してから所定時間以内に重量増加値が取得された場合（ステップＳ２２０：ＹＥＳ）、ステップＳ２３０において、プロセッサ２３０は、ステップＳ２１０で取得された重量減少値と、この重量減少値を取得してから所定時間以内に取得された重量増加値との差が所定値以内であるか否かを判定する。この所定値とは、商品種別ごとに異なってもよい。このとき、商品種別ごとに異なる所定値は、機械学習を用いた学習がなされることにより決定されてもよい。このとき、学習はサーバ装置２００の管理者によって、又は管理者の指示に基づき第３者によって実行されてもよい。或いは、学習は、後述するステップＳ２３０からステップＳ２５０の間で判定の是非について適宜ユーザに問い合わせ、その回答を得ることによって実行されてもよい。差が所定値以内ではない場合（ステップＳ２３０：ＮＯ）、ステップＳ２５０において、プロセッサ２３０は、別の新たな商品が重量検知エリアに配置されたと判定し、図６のステップＳ１０に処理を進める。 On the other hand, when the weight increase value is acquired within a predetermined time after the weight decrease value is acquired (step S220: YES), in step S230, the processor 230 has the weight reduction value acquired in step S210 and this weight. It is determined whether or not the difference from the weight increase value acquired within a predetermined time after the decrease value is acquired is within the predetermined value. This predetermined value may differ for each product type. At this time, a predetermined value different for each product type may be determined by learning using machine learning. At this time, the learning may be executed by the administrator of the server device 200 or by a third party based on the instruction of the administrator. Alternatively, the learning may be executed by appropriately inquiring the user about the pros and cons of the determination between steps S230 and S250, which will be described later, and obtaining the answer. If the difference is not within a predetermined value (step S230: NO), in step S250, the processor 230 determines that another new product has been placed in the weight detection area, and proceeds to step S10 of FIG.
　一方、この差が所定値以内である場合（ステップＳ２３０：ＹＥＳ）、ステップＳ２４０において、プロセッサ２３０は、撤去商品が重量検知エリアに再び配置された（再配置された）と判定する。プロセッサ２３０は、再配置された商品に対応する重量増加値を、再配置された商品の量として判定する。この場合、ステップＳ２６０において、プロセッサ２３０は、ステップＳ２１０で重量減少値を取得してから所定時間以内に取得された重量増加値が閾値を下回ったか否かを判定する。この重量増加値が閾値を下回っていない場合（ステップＳ２６０：ＮＯ）、本フローが終了する。 On the other hand, if this difference is within a predetermined value (step S230: YES), in step S240, the processor 230 determines that the removed product has been rearranged (rearranged) in the weight detection area. The processor 230 determines the weight increase value corresponding to the rearranged goods as the amount of the rearranged goods. In this case, in step S260, the processor 230 determines whether or not the weight increase value acquired within a predetermined time after acquiring the weight reduction value in step S210 is below the threshold value. If this weight increase value does not fall below the threshold value (step S260: NO), this flow ends.
　一方、この重量増加値が閾値を下回った場合（ステップＳ２６０：ＹＥＳ）、ステップＳ２７０において、プロセッサ２３０は、この重量増加値に対応する商品（すなわち、再配置された商品）の商品種別に属する商品の発注処理を行う。発注処理において、プロセッサ２３０は、予めユーザにより設定された購入数の商品をこのユーザに提供するように発注処理を行ってもよい。 On the other hand, when this weight increase value falls below the threshold value (step S260: YES), in step S270, the processor 230 is a product belonging to the product type of the product corresponding to this weight increase value (that is, the rearranged product). Order processing is performed. In the order processing, the processor 230 may perform the order processing so as to provide the user with the purchased number of products preset by the user.
　このように、プロセッサ２３０は、重量減少値と、該重量減少値を取得した後に取得された重量増加値との差が所定値以内であって、且つ、該重量減少値の取得タイミングから該重量増加値の取得タイミングまでの時間が所定時間以内である場合、撤去商品が重量検知エリアに再び配置されたと判定する。そして、プロセッサ２３０は、重量減少値を取得した後に取得された重量増加値に基づいて、重量検知エリアに再び配置されたと判定された商品の量を判定する。該判定された商品の量が閾値を下回った場合、プロセッサ２３０は、重量検知エリアに再び配置された商品の発注処理を実行する。これにより、プロセッサ２３０は、調味料や食用油などのように少量ずつ減っていく商品に対して適切な発注処理を行うことができる。 As described above, in the processor 230, the difference between the weight reduction value and the weight increase value acquired after acquiring the weight reduction value is within a predetermined value, and the weight is obtained from the acquisition timing of the weight reduction value. If the time until the acquisition timing of the increase value is within a predetermined time, it is determined that the removed product has been relocated to the weight detection area. Then, the processor 230 determines the amount of the product determined to be rearranged in the weight detection area based on the weight increase value acquired after the weight reduction value is acquired. When the determined quantity of goods falls below the threshold value, the processor 230 executes the ordering process of the goods relocated to the weight detection area. As a result, the processor 230 can perform an appropriate ordering process for products such as seasonings and cooking oil, which are gradually reduced.
　（実施形態のまとめ）
　一実施形態に係る商品管理方法は、購入された商品の商品種別と該購入された商品の商品重量とが対応付けて記録された購入履歴と、重量検知エリアに配置された配置済み商品の重量を測定する重量測定装置１００を用いて検知された重量増加値とを取得することと、購入履歴中の商品重量と重量増加値との比較を実行することと、該比較の結果に基づいて、購入履歴中の商品種別の中から、重量検知エリアに配置された配置済み商品の商品種別を特定することとを有する。これにより、商品重量の測定結果に基づく商品管理を可能としつつ、複数の種別の商品を取り扱うことが可能な汎用性の高い商品管理方法を提供できる。 (Summary of Embodiment)
The product management method according to one embodiment includes a purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and the weight of the placed product arranged in the weight detection area. Based on the acquisition of the weight increase value detected by using the weight measuring device 100 for measuring the product, the comparison between the product weight in the purchase history and the weight increase value, and the result of the comparison. It is to specify the product type of the arranged product arranged in the weight detection area from the product types in the purchase history. As a result, it is possible to provide a highly versatile product management method capable of handling a plurality of types of products while enabling product management based on the measurement result of the product weight.
　（重量測定装置の変更例）
　次に、重量測定装置１００の変更例について説明する。図１２は、重量測定装置１００の変更例を示す図である。図１２における丸の印は重量センサを示している。 (Example of changing the weight measuring device)
Next, a modified example of the weight measuring device 100 will be described. FIG. 12 is a diagram showing a modified example of the weight measuring device 100. The circles in FIG. 12 indicate the weight sensor.
　図１２に示すように、本変更例に係る重量測定装置１００は、重量検知エリアを区分した領域ごとに重量を測定し、重量検知エリアにおいて配置済み商品が配置された領域を特定するように構成される。例えば、重量測定装置１００は、重量センサを行列状に多数配置し、その上にゴム素材のシートを被せることにより、配置済み商品の重量だけでなく、配置済み商品が配置された重量検知エリア内の位置も特定できる。 As shown in FIG. 12, the weight measuring device 100 according to the modified example is configured to measure the weight for each area in which the weight detection area is divided and to specify the area where the arranged products are arranged in the weight detection area. Will be done. For example, in the weight measuring device 100, by arranging a large number of weight sensors in a matrix and covering the weight sensors with a sheet of a rubber material, not only the weight of the arranged products but also the weight detection area in which the arranged products are arranged The position of can also be specified.
　そして、サーバ装置２００のプロセッサ２３０は、配置済み商品の商品種別と、特定された領域との対応関係を管理する。図１３は、本変更例に係る配置済み商品の管理テーブルを示す図である。 Then, the processor 230 of the server device 200 manages the correspondence relationship between the product type of the placed product and the specified area. FIG. 13 is a diagram showing a management table of arranged products according to this modified example.
　図１３に示すように、各配置済み商品は、重量検知エリア内の配置領域を示す座標位置と対応付けられている。このように管理することで、プロセッサ２３０は、撤去商品の商品種別を特定する際に、撤去商品が配置されていた領域を考慮して、撤去商品の商品種別を特定できる。すなわち、プロセッサ２３０は、対象レコード中の商品重量と重量減少値との比較を実行し、商品重量と重量減少値とが略一致するか否かを判定することに加えて、商品重量と略一致した重量減少値を検出した領域が、商品重量と略一致した重量増加値を検出した領域と略一致するか否かを判定する。プロセッサ２３０は、商品重量と重量減少値とが略一致し、かつ商品重量と略一致した重量減少値を検出した領域が、商品重量と略一致した重量増加値を検出した領域と略一致すると判定した場合、略一致する商品重量と対応付けられた商品種別を撤去商品の商品種別として特定する。これにより、プロセッサ２３０は、撤去商品の商品種別を特定する精度を高めることができる。また、プロセッサ２３０は、撤去商品の再配置を特定する際に、撤去商品が配置されていた領域を考慮して、撤去商品の再配置を特定できる。すなわち、プロセッサ２３０は、重量減少値と、この重量減少値を取得してから所定時間以内に取得された重量増加値との差が所定値以内であるかに加えて、重量減少値を検出した領域が、重量減少値を取得してから所定時間以内に取得された重量増加値を検出した領域と略一致するか否かを判定する。プロセッサ２３０は、重量減少値と、この重量減少値を取得してから所定時間以内に取得された重量増加値との差が所定値以内であり、かつ重量減少値を検出した領域が、重量減少値を取得してから所定時間以内に取得された重量増加値を検出した領域と略一致すると判定した場合、撤去商品が重量検知エリアに再び配置されたと判定する。これにより、プロセッサ２３０は、撤去商品の再配置を特定する精度を高めることができる。 As shown in FIG. 13, each placed product is associated with a coordinate position indicating an placement area in the weight detection area. By managing in this way, the processor 230 can specify the product type of the removed product in consideration of the area where the removed product is arranged when specifying the product type of the removed product. That is, the processor 230 performs a comparison between the product weight and the weight reduction value in the target record, determines whether or not the product weight and the weight reduction value substantially match, and in addition, substantially matches the product weight. It is determined whether or not the region in which the weight reduction value is detected substantially coincides with the region in which the weight increase value substantially matches the product weight. The processor 230 determines that the region where the product weight and the weight reduction value substantially match and the region where the weight reduction value which substantially matches the product weight is detected coincides with the region where the weight increase value which substantially matches the product weight is detected. If so, the product type associated with the substantially matching product weight is specified as the product type of the removed product. As a result, the processor 230 can improve the accuracy of identifying the product type of the removed product. Further, when specifying the rearrangement of the removed product, the processor 230 can specify the rearrangement of the removed product in consideration of the area where the removed product is arranged. That is, the processor 230 detects the weight reduction value in addition to whether the difference between the weight reduction value and the weight increase value acquired within a predetermined time after acquiring the weight reduction value is within a predetermined value. It is determined whether or not the region substantially coincides with the detected region for the weight increase value acquired within a predetermined time after the weight reduction value is acquired. In the processor 230, the difference between the weight reduction value and the weight increase value acquired within a predetermined time after acquiring the weight reduction value is within a predetermined value, and the region where the weight reduction value is detected is the weight reduction. If it is determined that the weight increase value acquired within a predetermined time after the value is acquired substantially matches the detected area, it is determined that the removed product has been relocated to the weight detection area. As a result, the processor 230 can improve the accuracy of identifying the rearrangement of the removed goods.
　（その他の実施形態）
　上述した実施形態において、商品の発注タイミングを決定する際に、ユーザのスケジュール情報を考慮してもよい。例えば、サーバ装置２００のプロセッサ２３０は、外部サーバ（クラウドサーバ）からユーザのスケジュール情報を取得し、ユーザの不在期間を特定する。そして、プロセッサ２３０は、ユーザの不在期間において商品が配送されないように商品発注処理を行う。 (Other embodiments)
In the above-described embodiment, the user's schedule information may be taken into consideration when determining the timing of ordering the product. For example, the processor 230 of the server device 200 acquires the user's schedule information from an external server (cloud server) and identifies the user's absence period. Then, the processor 230 performs the product order processing so that the product is not delivered during the user's absence period.
　重量測定装置１００又はサーバ装置２００が行う各処理をコンピュータに実行させるプログラムが提供されてもよい。プログラムは、コンピュータ読取り可能媒体に記録されていてもよい。コンピュータ読取り可能媒体を用いれば、コンピュータにプログラムをインストールすることが可能である。ここで、プログラムが記録されたコンピュータ読取り可能媒体は、非一過性の記録媒体であってもよい。非一過性の記録媒体は、特に限定されるものではないが、例えば、ＣＤ－ＲＯＭやＤＶＤ－ＲＯＭ等の記録媒体であってもよい。 A program that causes a computer to execute each process performed by the weight measuring device 100 or the server device 200 may be provided. The program may be recorded on a computer-readable medium. Computer-readable media can be used to install programs on a computer. Here, the computer-readable medium on which the program is recorded may be a non-transient recording medium. The non-transient recording medium is not particularly limited, but may be, for example, a recording medium such as a CD-ROM or a DVD-ROM.
　以上、図面を参照して実施形態について詳しく説明したが、具体的な構成は上述のものに限られることはなく、要旨を逸脱しない範囲内において様々な設計変更等をすることが可能である。 Although the embodiments have been described in detail with reference to the drawings above, the specific configuration is not limited to the above, and various design changes and the like can be made within a range that does not deviate from the gist.
　本願は、日本国特許出願第２０１９－０８２３４１号（２０１９年４月２３日出願）の優先権を主張し、その内容の全てが本願明細書に組み込まれている。 This application claims the priority of Japanese Patent Application No. 2019-082341 (filed on April 23, 2019), all of which are incorporated in the specification of the present application.

Claims (15)

  1. 　商品の重量の測定結果に基づいて前記商品の発注処理を実行する商品発注システムにおいて実行される商品管理方法であって、
    　購入された商品の商品種別と前記購入された商品の商品重量とが対応付けて記録された購入履歴と、所定位置に配置された配置済み商品の重量を測定する測定装置を用いて検知された重量増加値とを取得することと、
    　前記購入履歴に含まれる前記商品重量と前記重量増加値との比較を実行することと、
    　該比較の結果に基づいて、前記購入履歴に含まれる前記商品種別の中から、前記所定位置に配置された前記配置済み商品の商品種別を特定することと、を含む
    　商品管理方法。     It is a product management method executed in a product ordering system that executes an ordering process for the product based on the measurement result of the weight of the product.
    It was detected using a purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and a measuring device for measuring the weight of the placed product placed at a predetermined position. To get the weight increase value and
    Performing a comparison between the product weight included in the purchase history and the weight increase value, and
    A product management method including specifying a product type of the placed product placed at a predetermined position from the product types included in the purchase history based on the result of the comparison.
  2. 　前記配置済み商品の商品種別を特定することは、前記購入履歴に含まれる前記商品重量と前記重量増加値とが略一致する場合、前記重量増加値と略一致する前記商品重量と対応付けられた前記商品種別を前記配置済み商品の商品種別として特定することを含む
    　請求項１に記載の商品管理方法。     Specifying the product type of the placed product is associated with the product weight that substantially matches the weight increase value when the product weight included in the purchase history and the weight increase value substantially match. The product management method according to claim 1, wherein the product type is specified as the product type of the placed product.
  3. 　前記購入された商品が複数個の同種商品のセットであって、且つ、前記購入履歴に含まれる前記商品重量が商品１個当たりの単位重量である場合、
    　　前記比較を実行することは、前記単位重量の倍数と前記重量増加値との比較を実行することを含み、
    　　前記配置済み商品の商品種別を特定することは、前記単位重量の倍数と前記重量増加値とが略一致する場合、前記倍数が前記重量増加値と略一致する前記単位重量と対応付けられた前記商品種別を前記配置済み商品の商品種別として特定することを含む
    　請求項１又は２に記載の商品管理方法。     When the purchased product is a set of a plurality of similar products, and the product weight included in the purchase history is a unit weight per product.
    Performing the comparison comprises performing a comparison between the multiple of the unit weight and the weight gain value.
    To specify the product type of the placed product, when the multiple of the unit weight and the weight increase value are substantially the same, the multiple is associated with the unit weight which is substantially the same as the weight increase value. The product management method according to claim 1 or 2, which comprises specifying the product type as the product type of the placed product.
  4. 　前記購入履歴は、前記購入された商品の商品種別と対応付けられた購入日時を含み、
    　前記比較を実行することは、前記購入履歴に含まれる前記購入日時に基づいて、前記重量増加値の取得タイミングから遡って所定時間内に購入された商品についてのみ前記比較を実行することを含む
    　請求項１乃至３のいずれか１項に記載の商品管理方法。     The purchase history includes a purchase date and time associated with the product type of the purchased product.
    Performing the comparison includes performing the comparison only for the products purchased within a predetermined time from the acquisition timing of the weight increase value based on the purchase date and time included in the purchase history. The product management method according to any one of items 1 to 3.
  5. 　前記測定装置を用いて検知された重量減少値を取得することと、
    　前記購入履歴に含まれる前記商品重量と前記重量減少値との比較を実行することと、
    　該比較の結果に基づいて、前記特定された配置済み商品の商品種別の中から、前記所定位置から撤去された撤去商品の商品種別を特定することと、をさらに含む
    　請求項１乃至４のいずれか１項に記載の商品管理方法。     Acquiring the weight loss value detected by using the measuring device,
    Performing a comparison between the product weight included in the purchase history and the weight reduction value, and
    Any of claims 1 to 4, further including specifying the product type of the removed product removed from the predetermined position from the product types of the specified placed products based on the result of the comparison. The product management method described in item 1.
  6. 　前記撤去商品の商品種別を特定することは、前記特定された配置済み商品の商品種別と対応付けられた前記商品重量と前記重量減少値とが略一致する場合、前記重量減少値と略一致する前記商品重量と対応付けられた前記商品種別を前記撤去商品の商品種別として特定することを含む
    　請求項５に記載の商品管理方法。     Specifying the product type of the removed product substantially coincides with the weight reduction value when the product weight associated with the product type of the specified placed product and the weight reduction value substantially match. The product management method according to claim 5, wherein the product type associated with the product weight is specified as the product type of the removed product.
  7. 　前記特定された配置済み商品が複数個の同種商品のセットであって、且つ、前記特定された配置済み商品の商品種別と対応付けられた前記商品重量が商品１個当たりの単位重量である場合、
    　　前記比較を実行することは、前記単位重量の倍数と前記重量減少値との比較を実行することを含み、
    　　前記配置済み商品の商品種別を特定することは、前記単位重量の倍数と前記重量減少値とが略一致する場合、前記倍数が前記重量減少値と略一致する前記単位重量と対応付けられた前記商品種別を前記配置済み商品の商品種別として特定することを含む
    　請求項５又は６に記載の商品管理方法。     When the specified arranged product is a set of a plurality of similar products, and the product weight associated with the product type of the specified arranged product is a unit weight per product. ,
    Performing the comparison comprises performing a comparison between the multiple of the unit weight and the weight loss value.
    To specify the product type of the placed product, when the multiple of the unit weight and the weight reduction value are substantially the same, the multiple is associated with the unit weight which is substantially the same as the weight reduction value. The product management method according to claim 5 or 6, which comprises specifying the product type as the product type of the placed product.
  8. 　前記所定位置を区分した領域ごとに前記測定装置が重量を測定する場合、前記所定位置において前記配置済み商品が配置された領域を特定することと、
    　前記配置済み商品の商品種別と前記特定された領域との対応関係を管理することと、をさらに備え、
    　前記撤去商品の商品種別を特定することは、前記比較の結果と、前記管理されている対応関係とに基づいて、前記撤去商品の商品種別を特定することを含む
    　請求項５乃至７のいずれか１項に記載の商品管理方法。     When the measuring device measures the weight for each area in which the predetermined position is divided, the area in which the arranged product is arranged at the predetermined position is specified.
    Further provided with managing the correspondence between the product type of the placed product and the specified area.
    Any one of claims 5 to 7, wherein specifying the product type of the removed product includes specifying the product type of the removed product based on the result of the comparison and the managed correspondence relationship. The product management method described in item 1.
  9. 　前記撤去商品の商品種別の特定結果に基づいて、前記撤去商品の商品種別に属する商品の発注処理を実行することをさらに含む
    　請求項５乃至８のいずれか１項に記載の商品管理方法。     The product management method according to any one of claims 5 to 8, further comprising executing an ordering process for a product belonging to the product type of the removed product based on the specific result of the product type of the removed product.
  10. 　前記購入履歴は、前記購入された商品の商品種別と対応付けられた商品購入数を含み、
    　前記発注処理を実行することは、
    　前記撤去商品の商品種別の特定結果と、前記撤去商品の商品種別と対応付けられた前記商品購入数とに基づいて、前記撤去商品の商品種別に属する商品の在庫数を判定することと、
    　該判定された在庫数が閾値を下回った場合、前記撤去商品の商品種別に属する商品の発注処理を実行することと、を含む
    　請求項９に記載の商品管理方法。     The purchase history includes the number of product purchases associated with the product type of the purchased product.
    Executing the ordering process
    Based on the identification result of the product type of the removed product and the number of purchased products associated with the product type of the removed product, the inventory quantity of the product belonging to the product type of the removed product is determined.
    The product management method according to claim 9, wherein when the determined inventory quantity falls below the threshold value, the order processing of the product belonging to the product type of the removed product is executed.
  11. 　前記重量減少値を取得した後、前記測定装置を用いて検知された前記重量増加値を取得することと、
    　前記重量減少値と、前記重量減少値を取得した後に取得された前記重量増加値との差が所定値以内であって、且つ、該重量減少値の取得タイミングから該重量増加値の取得タイミングまでの時間が所定時間以内である場合、前記撤去商品が前記所定位置に再び配置されたと判定することと、をさらに含む
    　請求項５乃至７のいずれか１項に記載の商品管理方法。     After acquiring the weight decrease value, acquiring the weight increase value detected by using the measuring device, and
    The difference between the weight reduction value and the weight increase value acquired after the weight reduction value is acquired is within a predetermined value, and from the acquisition timing of the weight reduction value to the acquisition timing of the weight increase value. The product management method according to any one of claims 5 to 7, further comprising determining that the removed product has been relocated to the predetermined position when the time is within a predetermined time.
  12. 　前記撤去商品が前記所定位置に再び配置されたと判定されたことに基づいて、前記撤去商品の商品種別に属する商品の発注処理を実行することをさらに含む
    　請求項１１に記載の商品管理方法。     The product management method according to claim 11, further comprising executing an ordering process for a product belonging to the product type of the removed product based on the determination that the removed product has been relocated to the predetermined position.
  13. 　前記発注処理を実行することは、
    　前記重量減少値を取得した後に取得された前記重量増加値に基づいて、前記所定位置に再び配置されたと判定された商品の量を判定することと、
    　該判定された商品の量が閾値を下回った場合、前記所定位置に再び配置されたと判定された商品の発注処理を実行することと、を含む
    　請求項１２に記載の商品管理方法。     Executing the ordering process
    Based on the weight increase value acquired after acquiring the weight decrease value, the amount of the product determined to be repositioned at the predetermined position is determined.
    The product management method according to claim 12, wherein when the quantity of the determined product falls below the threshold value, the order processing of the product determined to be relocated to the predetermined position is executed.
  14. 　商品の重量の測定結果に基づいて前記商品の発注処理を実行する商品発注システムにおいて用いられる装置であって、
    　購入された商品の商品種別と前記購入された商品の商品重量とが対応付けて記録された購入履歴と、所定位置に配置された配置済み商品の重量を測定する測定装置を用いて検知された重量増加値とを取得することと、
    　前記購入履歴に含まれる前記商品重量と前記重量増加値との比較を実行することと、
    　該比較の結果に基づいて、前記購入履歴に含まれる前記商品種別の中から、前記所定位置に配置された前記配置済み商品の商品種別を特定することと、を実行する少なくとも１つのプロセッサを備える
    　装置。     A device used in a product ordering system that executes an ordering process for a product based on the measurement result of the weight of the product.
    It was detected using a purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and a measuring device for measuring the weight of the placed product placed at a predetermined position. To get the weight increase value and
    Performing a comparison between the product weight included in the purchase history and the weight increase value, and
    Based on the result of the comparison, the product type includes at least one processor for specifying the product type of the arranged product arranged at the predetermined position from the product types included in the purchase history. apparatus.
  15. 　商品の重量の測定結果に基づいて前記商品の発注処理を実行する商品発注システムにおいて用いられる装置に、
    　購入された商品の商品種別と前記購入された商品の商品重量とが対応付けて記録された購入履歴と、所定位置に配置された配置済み商品の重量を測定する測定装置を用いて検知された重量増加値とを取得することと、
    　前記購入履歴に含まれる前記商品重量と前記重量増加値との比較を実行することと、
    　該比較の結果に基づいて、前記購入履歴に含まれる前記商品種別の中から、前記所定位置に配置された前記配置済み商品の商品種別を特定することと、を実行させる
    　プログラム。     For the device used in the product ordering system that executes the ordering process of the product based on the measurement result of the weight of the product.
    It was detected using a purchase history recorded in association with the product type of the purchased product and the product weight of the purchased product, and a measuring device for measuring the weight of the placed product placed at a predetermined position. To get the weight increase value and
    Performing a comparison between the product weight included in the purchase history and the weight increase value, and
    A program for specifying the product type of the placed product placed at the predetermined position from the product types included in the purchase history based on the result of the comparison.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP2018032272A (en) * 2016-08-25 2018-03-01 ヤフー株式会社 Determination device, determination method, and determination program
JP2018165963A (en) * 2017-03-28 2018-10-25 Kddi株式会社 Order management device, order management method and order management system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090099935A1 (en) * 2004-11-04 2009-04-16 International Business Machines Corporation Weight Based Upselling
JP2018032272A (en) * 2016-08-25 2018-03-01 ヤフー株式会社 Determination device, determination method, and determination program
JP2018165963A (en) * 2017-03-28 2018-10-25 Kddi株式会社 Order management device, order management method and order management system

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