WO2020168846A1 - 无人零售设备和退款方法及其设备 - Google Patents

无人零售设备和退款方法及其设备 Download PDF

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Publication number
WO2020168846A1
WO2020168846A1 PCT/CN2020/070504 CN2020070504W WO2020168846A1 WO 2020168846 A1 WO2020168846 A1 WO 2020168846A1 CN 2020070504 W CN2020070504 W CN 2020070504W WO 2020168846 A1 WO2020168846 A1 WO 2020168846A1
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Prior art keywords
weight
refund
unmanned retail
threshold
goods
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English (en)
French (fr)
Inventor
岑文峰
贺武杰
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/18—Payment architectures involving self-service terminals [SST], vending machines, kiosks or multimedia terminals
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q30/01—Customer relationship services
    • G06Q30/012—Providing warranty services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q30/01—Customer relationship services
    • G06Q30/015—Providing customer assistance, e.g. assisting a customer within a business location or via helpdesk
    • G06Q30/016—After-sales
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0633—Managing shopping lists, e.g. compiling or processing purchase lists
    • G06Q30/0635—Managing shopping lists, e.g. compiling or processing purchase lists replenishment orders; recurring orders

Definitions

  • This manual relates to the field of e-commerce.
  • the industry’s current handling of such abnormal situations is as follows: the user dials the customer service number provided by the unmanned retail device, provides a feedback description, and manually initiates a refund after confirmation by the merchant.
  • this processing method is inefficient, increases the user’s refund time cost, and affects the shopping experience of shopping users.
  • merchants also need to be equipped with full-time customer service personnel to deal with such abnormal situations and improve business operations. cost.
  • This manual provides an unmanned retail device and a refund method and its device, which can automatically verify the card cargo situation and realize fast automatic refund.
  • This application discloses a refund method, including:
  • the unmanned retail equipment uses the weight sensing device to weigh the current inventory of the goods before the purchased goods are shipped to obtain the first weight;
  • the weight sensing device When a refund signal is received through the input device, the weight sensing device is used to re-weigh the currently stocked goods to obtain the second weight;
  • the weight sensing device in the steps of using the weight sensing device to weigh the currently-stocked commodities, and the step of using the weight-sensing device to weigh the currently-stocked commodities again, is used respectively.
  • the device weighs the currently stocked goods in the cargo lane where the purchased goods are located.
  • the weight sensor is arranged in the cargo lane.
  • the unmanned retail device has multiple cargo lanes, and the corresponding relationship between the cargo lane and the threshold is preset in the unmanned retail device;
  • initiating a refund process further comprising: querying the corresponding relationship according to the cargo lane where the purchased commodity is located, and obtaining the cargo lane The corresponding threshold; if the weight difference between the first weight and the second weight is less than the obtained threshold, a refund process is initiated.
  • the corresponding relationship between the commodity type and the threshold is preset in the unmanned retail device
  • initiating a refund process further comprising: querying the corresponding relationship according to the commodity type of the purchased commodity to obtain the purchased commodity The threshold corresponding to the commodity type of the commodity; if the weight difference between the first weight and the second weight is less than the obtained threshold, a refund process is initiated.
  • the threshold value is less than the weight of the lightest single commodity in the unmanned retail equipment.
  • the unmanned retail equipment uses a weight sensing device to weigh the currently-stocked goods before the purchased goods are shipped to obtain the first weight, which further includes:
  • the unmanned retail equipment uses a weight sensing device to weigh the currently-stocked goods to obtain the first weight after the order of the purchased goods is confirmed.
  • the refund process further includes:
  • the unmanned retail device sends a refund instruction to the merchant business system, and the refund instruction includes the transaction order number;
  • the merchant business system obtains the corresponding transaction amount and payment account number according to the transaction order number;
  • the merchant business system sends a refund application to the acquiring acceptance system, which includes the transaction order number, the transaction amount, and the payment account number;
  • the acquiring acceptance system initiates a refund to the payment account based on the transaction order number and the transaction amount.
  • the method further includes:
  • the acquiring acceptance system sends a message notifying the successful refund to the merchant business system; the merchant business system sends a message notifying the successful refund to the unmanned retail device; the unmanned retailer The device displays the refund result on the display.
  • the unmanned retail device displays a message on the display screen indicating that an immediate refund cannot be made.
  • This application also discloses an unmanned retail device including:
  • Weight sensing device used to weigh the currently stocked goods
  • the control device is used to control the weight sensing device to weigh the currently stocked goods to obtain the first weight before the purchased goods are shipped; when the refund signal is received through the input device, control the weight sensing The device weighs the currently stocked goods again to obtain the second weight; if the weight difference between the first weight and the second weight is less than the threshold, the communication device is controlled to send a refund instruction to the external system.
  • the unmanned retail equipment includes at least one cargo lane, and the cargo lane is used to store commodities;
  • the weight sensor is arranged in the cargo lane, and is used to weigh the currently stocked commodities in the cargo lane.
  • the unmanned retail equipment has multiple cargo lanes
  • the unmanned retail equipment further includes a memory in which the corresponding relationship between the cargo lane and the threshold is stored;
  • the control device queries the corresponding relationship according to the cargo lane where the purchased commodity is located, and obtains the threshold value for comparison with the weight difference.
  • the unmanned retail device further includes a memory, in which the correspondence relationship between the commodity type and the threshold is stored;
  • the control device queries the correspondence relationship according to the commodity type of the purchased commodity, and obtains the threshold value for comparison with the weight difference.
  • the threshold value is less than the weight of the lightest single commodity in the unmanned retail equipment.
  • the unmanned retail equipment further includes a display screen
  • the display screen displays information indicating that an immediate refund cannot be made.
  • control device controls the weight sensing device to weigh the currently-stocked product to obtain the first weight after the order of the purchased product is confirmed.
  • This application also discloses a refund system including:
  • the refund instruction sent by the unmanned retail device includes the transaction order number
  • the merchant business system is used to respond to the refund instruction, obtain the corresponding transaction amount and payment account number according to the transaction order number, and send a refund application to the acquiring acceptance system, which includes the transaction order number and the transaction Amount and said payment account number;
  • the acquiring acceptance system is configured to initiate a refund to the payment account according to the transaction order number and the transaction amount in response to the refund application.
  • the acquiring acceptance system is further configured to send a message notifying the successful refund to the merchant business system when the refund is successful;
  • the merchant business system is also used to send a message informing the successful refund to the unmanned retail device;
  • the unmanned retail device is also used to display the refund result on the display screen.
  • the card can be automatically verified, and the user can complete a refund on the unmanned retail device with one click, without the need for telephone customer service staff to provide feedback, which greatly simplifies the user's refund
  • the process improves the consumer experience of users; merchants can reduce the staffing of corresponding positions, reduce operating costs, and improve corporate operating efficiency.
  • Different thresholds can be set for each commodity, and the threshold is determined according to the type of the purchased commodity to determine whether the weight difference between the two measurements is less than the threshold.
  • different thresholds for different commodities can be realized adaptively, which improves the accuracy of weight difference judgment, especially for the situation that multiple commodities with different weights may be placed on the same cargo lane at the same time, which can effectively avoid the influence of relative errors on the judgment accuracy .
  • Fig. 1 is a schematic flow chart of a refund method according to the first embodiment of this specification
  • FIG. 2 is a schematic diagram of the structure of an unmanned retail device according to the second embodiment of this specification.
  • Figure 3 is a schematic diagram of a refund system according to a third embodiment of this specification.
  • Fig. 4 is a schematic flowchart of a refund method according to a specific embodiment of this specification.
  • Correspondence refers to the corresponding relationship between two or more data, usually stored in storage devices (such as storage servers, hard disks, memory, etc.), the specific storage form can be various, for example, it can be a representation
  • the corresponding file can also be a table in the database, etc.
  • Unmanned retail equipment automated equipment that can complete product selection, charging and sales without personnel on duty. In some application scenarios, it can also be called vending machine, unmanned retail cabinet, etc. Unmanned retail equipment is not restricted by time and location, which can save manpower and facilitate transactions. Some unmanned retail equipment includes one or more cargo lanes, and each cargo lane is used to place the goods to be sold. When a commodity is purchased, usually the foremost goods of a cargo lane will be pushed out of the cargo lane and fall to the The fetch window, the user can directly open the fetch window to get the goods. A cargo aisle can only display one type of product, or a mix of multiple products.
  • the first embodiment of this specification relates to a refund method, the flow of which is shown in Figure 1, and the method includes the following steps:
  • the unmanned retail equipment uses the weight sensing device to weigh the currently stocked goods before the purchased goods are shipped to obtain the first weight. There can be multiple timings to trigger this weighing.
  • the unmanned retail equipment uses a weight sensing device to weigh the currently stocked goods to obtain the first weight.
  • weighing may be performed after each shipment, and the weight may be saved, and used as the first weight in the next shipment.
  • step 104 is entered.
  • the unmanned retail device receives the refund signal through the input device, it uses the weight sensing device to weigh the current inventory commodity again to obtain the second weight.
  • the input device can be a touch screen, physical keys, keyboard, etc.
  • the refund signal is a signal that represents the user's request for a refund. For example, the user can click on an icon requesting a refund through a touch screen to send the refund signal.
  • the commodities in the unmanned retail equipment are placed on one or more cargo lanes, and the two weighings in step 102 and step 104 are performed on the cargo lane where the purchased commodity is located before shipment.
  • an unmanned retail device has 8 cargo lanes, and each cargo lane stores a product. The purchased product is placed on the 7th cargo lane before shipment, so only the 7th cargo lane needs to be weighed twice.
  • the weight sensor is provided in the cargo lane.
  • Each cargo lane can be equipped with a weight sensor.
  • step 106 is entered, and the unmanned retail device judges whether the weight difference between the first weight and the second weight is less than the threshold value, if yes, proceed to step 110; otherwise, proceed to step 108.
  • a unified threshold can be preset for all commodities, and the threshold is smaller than the weight of the lightest single commodity in the unmanned retail equipment.
  • an unmanned retail device has more than a dozen products, and the weight of a single product is between 50 grams and 400 grams.
  • the threshold can be set to 20 grams or 30 grams. If the threshold is too small, it is easy to cause misjudgment due to measurement errors. For example, the product is jammed, and the weight of the two measurements should be the same, but because the measurement error is relatively large, and the threshold is too small, it is misjudged that the product has been shipped successfully . Generally speaking, the threshold should not be smaller than the possible measurement error range. If the threshold is too large, it will also cause misjudgment due to measurement errors. For example, some lighter products have been shipped successfully, but the product is too light, and the weight of the product does not exceed the threshold after being affected by the measurement error, thus being misjudged For card goods.
  • the unmanned retail device has multiple cargo lanes, and the corresponding relationship between the cargo lane and the threshold is preset in the unmanned retail device, or each cargo lane can be set with a corresponding threshold, and the threshold corresponding to each cargo lane can be set. The same can also be different.
  • the threshold corresponding to each cargo lane can be related to the type of goods placed in the cargo lane. If a single item is heavy, such as a beverage, a relatively large threshold can be set. If a single item is relatively light, such as potato chips, you can set a relatively small threshold.
  • the corresponding relationship can be inquired according to the cargo lane where the purchased goods are located to obtain the threshold corresponding to the cargo lane, and the threshold value and the weight difference are compared to determine whether to initiate a refund.
  • the unmanned retail equipment is pre-set with the corresponding relationship between the commodity type and the threshold, or each commodity can be set with a corresponding threshold.
  • the thresholds corresponding to various commodities are usually related to the weight of the single commodity. The heavier a single item is, the higher the threshold corresponding to the item type of the item.
  • the weight of a single product in each product type can be preset in the unmanned retail equipment.
  • the threshold can be set as a proportion of the weight of the single product, for example, 40%.
  • the unmanned retail device displays a message on the display indicating that the refund cannot be made immediately.
  • This can include the contact information for manual refund processing, so that users can use the way of manual refund.
  • step 110 the unmanned retail device initiates a refund process.
  • the refund process further includes:
  • the unmanned retail device sends a refund instruction to the merchant business system, and the refund instruction includes the transaction order number.
  • the merchant business system In response to the refund instruction, the merchant business system obtains the corresponding transaction amount and payment account number according to the transaction order number.
  • the merchant business system sends a refund application to the acquiring system, which includes the transaction order number, transaction amount, and payment account number.
  • the acquiring acceptance system responds to the refund application and initiates a refund to the payment account based on the transaction order number and transaction amount.
  • the acquiring acceptance system sends a message notifying the successful refund to the merchant business system.
  • the business system of the merchant sends a message notifying the successful refund to the unmanned retail device.
  • the unmanned retail device displays the refund result on the display.
  • the acquiring system can send a refund failure message to the merchant business system, and the merchant business system will then send a refund failure message to the unmanned retail device, and the unmanned retail device will display the result of the refund failure on the display screen. on.
  • this implementation mode can automatically verify the card cargo situation, and the user can complete a refund on the unmanned retail device with one click, without the need for telephone customer service staff to provide feedback, which greatly simplifies the user's refund process and improves To improve the consumer experience of users; merchants can reduce the staffing of corresponding positions, reduce operating costs, and improve corporate operating efficiency.
  • the second embodiment of this specification relates to an unmanned retail device, the structure of which is shown in Figure 2.
  • the unmanned retail device includes:
  • Weight sensing device used to weigh the currently stocked goods. There may be one or more weight sensing devices. Three are shown schematically in FIG. 2 but are not limited to three, and may be more or less.
  • the input device can be a touch screen, physical keys, keyboard, etc.
  • Communication device can be a wireless communication module (such as a WIFI module, a 4G communication module, a 5G communication module, etc.), or a wired communication module, such as an optical fiber communication module, an Ethernet communication module, etc.
  • the communication device can connect and communicate with an external system (for example, a merchant business system).
  • the control device is used to control the weight sensing device to weigh the currently stocked commodities before the purchased commodities are shipped to obtain the first weight.
  • the weight sensing device is controlled to re-weigh the currently stocked goods to obtain the second weight. If the weight difference between the first weight and the second weight is less than the threshold, the communication device is controlled to send a refund instruction to the external system.
  • the control device can be a processor, and its function can be realized by running software.
  • the processor may be a central processing unit (Central Processing Unit, "CPU"), other general-purpose processors, digital signal processors (Digital Signal Processor, "DSP"), dedicated integrated Circuit (Application Specific Integrated Circuit, "ASIC” for short), etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • the control device can control the timing of the first weighing (to obtain the first weight) in various ways.
  • the weight sensing device is controlled to weigh the currently stocked goods to obtain the first weight.
  • weighing may be performed after each shipment, and the weight may be saved, and used as the first weight in the next shipment.
  • the unmanned retail device includes at least one cargo lane, and the cargo lane is used to store commodities.
  • the weight sensor is set in the cargo lane and is used to weigh the currently stocked goods in the cargo lane.
  • the unmanned retail device has multiple cargo lanes.
  • the unmanned retail equipment also includes a memory, which stores the corresponding relationship between the cargo lane and the threshold.
  • the control device obtains a threshold value by querying the corresponding relationship according to the cargo lane where the purchased commodity is located, which is used for comparison with the weight difference.
  • the unmanned retail device further includes a memory in which the correspondence between the commodity type and the threshold is stored.
  • the control device obtains a threshold value by querying the corresponding relationship according to the commodity type of the purchased commodity, which is used for comparison with the weight difference.
  • the threshold value is less than the weight of the lightest single item in the unmanned retail facility.
  • the unmanned retail device further includes a display screen.
  • the control device determines that the weight difference is greater than the threshold value, it displays on the display a message indicating that an immediate refund cannot be made.
  • the first embodiment is a method embodiment corresponding to this embodiment.
  • the technical details in the first embodiment can be applied to this embodiment, and the technical details in this embodiment can also be applied to the first embodiment.
  • the third embodiment of this specification relates to a refund system, the structure of which is shown in Fig. 2, and the refund system includes:
  • the refund instruction sent by the unmanned retail device includes the transaction order number.
  • the merchant business system is used to respond to the refund instruction, obtain the corresponding transaction amount and payment account number according to the transaction order number, and send a refund application to the acquiring acceptance system, which includes the transaction order number, transaction amount, and payment account number.
  • the receipt acceptance system is used to respond to the refund application and initiate a refund to the payment account based on the transaction order number and transaction amount.
  • the acquiring acceptance system is also used to send a message notifying the success of the refund to the business system of the merchant when the refund is successful.
  • the merchant business system is also used to send a message notifying the successful refund to the unmanned retail device.
  • the unmanned retail device is also used to display the refund result on the display.
  • the first embodiment is a method embodiment corresponding to this embodiment.
  • the technical details in the first embodiment can be applied to this embodiment, and the technical details in this embodiment can also be applied to the first embodiment.
  • step 1 The user selects the goods to be purchased on the unmanned retail cabinet.
  • Unmanned retail cabinet is a kind of unmanned retail equipment.
  • step 1.1 at this time, the unmanned retail cabinet uses the built-in weight sensing device in the cargo lane to detect the weight of the inventory commodity in the cargo lane where the product is located, and store the detection result (ie, the first weight).
  • step 2 The user scans the payment code on the unmanned retail counter through the mobile payment device, completes the payment, and waits for shipment.
  • step 2.1 the unmanned retail cabinet fails, causing the goods to not be shipped.
  • step 3 The user clicks the refund button on the unmanned retail cabinet to initiate a refund application for this transaction on the unmanned retail cabinet;
  • step 3.1 the unmanned retail cabinet uses the built-in weight sensing device in the cargo lane to detect the weight of the inventory goods in the cargo lane where the goods are located, and store the detection result (ie, the second weight).
  • step 3.1.1 the unmanned retail cabinet compares the latest two weight detection data (ie, the first weight and the second weight).
  • step 3.1.2 the comparison result is that the weight difference does not exceed the preset error threshold (ie, the threshold), which means that a jam has occurred.
  • step 3.1.3 the unmanned retail cabinet transmits the refund instruction to the business system of the merchant, and the refund instruction includes the transaction order number.
  • step 3.1.3.1 after the merchant business system receives the refund instruction issued by the unmanned retail cabinet, it extracts the corresponding transaction amount, payment account number, and the order acceptance system information based on the transaction order number; the merchant business The system initiates a fast refund application to the target acquiring system, including the transaction order number, refund amount and payment account number.
  • step 3.1.3.1.1 when the acquiring acceptance system receives an application for a fast refund, it directly initiates a refund to the user, and the user's refund amount can be credited to the account immediately.
  • step 3.1.3.1.2 the acquiring acceptance system sends a notification message carrying refund result information to the business system of the merchant to notify the merchant that the refund has been completed.
  • step 3.1.4 the merchant business system will push the refund result to the unmanned retail cabinet after receiving the feedback from the acquiring system.
  • step 3.2 the unmanned retail cabinet displays the refund result to the user through the display screen.
  • step 3.1.5 the unmanned retail cabinet performs identification and comparison of the last two weight inspection records and finds that the difference exceeds the preset error threshold, indicating that there is no jam, and the user's rapid refund is rejected in step 3.1.6 Apply, and in step 3.1.7, use the display to show the user the failure of the refund. It is recommended that the user call for consultation.
  • the preset error threshold mentioned above can be determined according to the sensitivity of the weight sensing device built in the unmanned retail cabinet and the weight of the smallest single commodity placed in the unmanned retail cabinet.
  • the error threshold can be appropriately reduced; otherwise, it can be appropriately increased.
  • control device shown in the embodiments of the unmanned retail equipment described above can be implemented by a program (executable instruction) running on a processor, or can be implemented by a specific logic circuit. If the aforementioned control device in the embodiments of this specification is implemented in the form of a software function module, it can also be stored in a computer readable storage medium. In this way, the embodiments of this specification are not limited to any specific combination of hardware and software.
  • the embodiments of this specification also provide a computer-readable storage medium in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, each method embodiment of this specification is implemented.
  • Computer-readable storage media include permanent and non-permanent, removable and non-removable media, and information storage can be realized by any method or technology.
  • the information can be computer readable instructions, data structures, program modules, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical storage, Magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media can be used to store information that can be accessed by computing devices. According to the definition in this article, computer-readable storage media does not include transitory media, such as modulated data signals and carrier waves.
  • PRAM phase change memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • RAM random access memory
  • ROM read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory or other memory technology
  • CD-ROM compact disc
  • DVD digital versatile disc
  • Magnetic cassettes magnetic tape magnetic disk storage or other magnetic storage devices or any other
  • an act is performed based on a certain element, it means that the act is performed at least based on that element, which includes two situations: performing the act only based on the element, and performing the act based on the element and Other elements perform the behavior.
  • Multiple, multiple, multiple, etc. expressions include two, two, two, and two or more, two or more, and two or more expressions.

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Abstract

一种无人零售设备和退款方法及其设备，该退款方法包括：在被购商品出货之前，使用重量传感装置对当前库存商品进行称重，得到第一重量（102）；通过输入装置接收到退款信号时，使用所述重量传感装置对当前库存商品再次进行称重，得到第二重量（104）；如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程（110）。

Description

无人零售设备和退款方法及其设备 技术领域
本说明书涉及电子商务领域。
背景技术
随着移动支付的普及，无人零售设备的市场保有量也大幅提升，满足了人们随时随地购物的需求。但是用户在使用无人零售设备进行购买的过程中，当完成付款等待取货时，会有一定地概率遇到无人零售设备卡货的情况。卡货是指商品被卡在无人零售设备中，没有能够到达用户可以取出商品的取物窗口。
业界当前对于此类异常情况的处理方式如下：用户拨打无人零售设备所提供的客服电话，进行情况反馈说明，并经过商家的确认后人工发起退款。这种处理方法一方面效率低下，增加了用户的退款时间成本，影响了购物用户的购物体验，另一方面，商家也需要配备专职的客服人员用来处理此类异常情况，提升了企业运营成本。
发明内容
本说明书提供了一种无人零售设备和退款方法及其设备，可以自动核实卡货的情况，并实现快速的自动退款。
本申请公开了一种退款方法，包括：
无人零售设备在被购商品出货之前，使用重量传感装置对当前库存商品进行称重，得到第一重量；
通过输入装置接收到退款信号时，使用所述重量传感装置对当前库存商品再次进行称重，得到第二重量；
如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程。
在一个优选例中，所述使用重量传感装置对当前库存商品进行称重，和所述使用所述重量传感装置对当前库存商品再次进行称重的步骤中，分别使用所述重量传感装置对所述被购商品所在的货道中的当前库存商品进行称重。
在一个优选例中，所述重量传感器被设置在所述货道中。
在一个优选例中，所述无人零售设备具备多个货道，所述无人零售设备中预先设置有货道和阈值的对应关系；
所述如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程，进一步包括：根据所述被购商品所在的货道查询所述对应关系，获得该货道对应的阈值；如果所述第一重量和所述第二重量的重量差值小于所获得的阈值，则发起退款流程。
在一个优选例中，所述无人零售设备中预先设置有商品类型和阈值的对应关系；
所述如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程，进一步包括：根据所述被购商品的商品类型查询所述对应关系，获得所述被购商品的商品类型所对应的阈值；如果所述第一重量和所述第二重量的重量差值小于所获得的阈值，则发起退款流程。
在一个优选例中，所述阈值小于所述无人零售设备中重量最轻的单件商品的重量。
在一个优选例中，所述无人零售设备在被购商品出货之前，使用重量传感装置对当前库存商品进行称重，得到第一重量，进一步包括：
所述无人零售设备在所述被购商品的订单被确认后使用重量传感装置对当前库存商品进行称重以得到所述第一重量。
在一个优选例中，所述退款流程进一步包括：
所述无人零售设备发送退款指令给商家业务系统，该退款指令包括交易订单号；
所述商家业务系统响应于所述退款指令，根据所述交易订单号获取对应的交易金额和付款账号；
所述商家业务系统向收单受理系统发送退款申请，其中包括所述交易订单号，所述交易金额和所述付款账号；
所述收单受理系统响应于所述退款申请，根据所述交易订单号和所述交易金额向所述付款账号发起退款。
在一个优选例中，所述根据所述交易订单号和所述交易金额向所述付款账号发起退款之后，还包括：
如果退款成功，所述收单受理系统向所述商家业务系统发送通知退款成功的消息；所述商家业务系统向所述无人零售设备发送通知退款成功的消息；所述无人零售设备将退款结果显示在显示屏上。
在一个优选例中，如果所述第一重量和所述第二重量的重量差值大于所述阈值，则所述无人零售设备在显示屏上显示表示无法立即退款的信息。
本申请还公开了一种无人零售设备包括：
重量传感装置，用于对当前库存商品进行称重；
输入装置；
通信装置；
控制装置，用于在被购商品出货之前，控制所述重量传感装置对当前库存商品进行称重，得到第一重量；在通过输入装置接收到退款信号时，控制所述重量传感装置对当前库存商品再次进行称重，得到第二重量；如果所述第一重量和所述第二重量的重量差值小于阈值，则控制所述通信装置向外部系统发送退款指令。
在一个优选例中，所述无人零售设备包括至少一个货道，所述货道用于存放商品；
所述重量传感器被设置在所述货道中，用于对所述货道中的当前库存商品进行称重。
在一个优选例中，所述无人零售设备具备多个货道；
所述无人零售设备还包括存储器，其中存储有货道和阈值的对应关系；
所述控制装置根据所述被购商品所在的货道查询所述对应关系，得到用于和所述重量差值相比较的所述阈值。
在一个优选例中，所述无人零售设备还包括存储器，其中存储有商品类型和阈值的对应关系；
所述控制装置根据所述被购商品的商品类型查询所述对应关系，得到用于和所述重量差值相比较的所述阈值。
在一个优选例中，所述阈值小于所述无人零售设备中重量最轻的单件商品的重量。
在一个优选例中，所述无人零售设备还包括显示屏；
所述控制装置在判定所述重量差值大于所述阈值时在所述显示屏上显示表示无法立即退款的信息。
在一个优选例中，所述控制装置在所述被购商品的订单确认后控制所述重量传感装置对当前库存商品进行称重以得到所述第一重量。
本申请还公开了一种退款系统包括：
如上文所述的无人零售设备，该无人零售设备所发送的退款指令包括交易订单号；
商家业务系统，用于响应于所述退款指令，根据所述交易订单号获取对应的交易金额和付款账号，向收单受理系统发送退款申请，其中包括所述交易订单号，所述交易金额和所述付款账号；
所述收单受理系统，用于响应于所述退款申请，根据所述交易订单号和所述交易金额向所述付款账号发起退款。
在一个优选例中，所述收单受理系统还用于在退款成功时向所述商家业务系统发送通知退款成功的消息；
所述商家业务系统还用于向所述无人零售设备发送通知退款成功的消息；
所述无人零售设备还用于将退款结果显示在显示屏上。
本说明书实施方式中，通过引入重量检测识别机制，可以自动核实卡货的情况，用户可以在无人零售设备上一键完成退款，无需电话客服人员进行反馈，极大地简化了用户的退款流程，提升了用户的消费体验；商家则可以减少相应岗位的人员配置，缩减运营成本，提升企业运营效率。
可以为每一种商品设定不同的阈值，根据被购商品的种类确定阈值，来判断两次测量的重量差值是否小于阈值。这样就可以自适应地实现不同商品的不同阈值，提高了重量差异判断的精度，尤其对于同一个货道上可能同时放置重量不同的多种商品的情况，可以有效避免相对误差对判断准确性的影响。
本说明书中记载了大量的技术特征，分布在各个技术方案中，如果要罗列出本申请所有可能的技术特征的组合(即技术方案)的话，会使得说明书过于冗长。为了避免这个问题，本说明书上述发明内容中公开的各个技术特征、在下文各个实施方式和例子中公开的各技术特征、以及附图中公开的各个技术特征，都可以自由地互相组合，从而构成各种新的技术方案(这些技术方案均应该视为在本说明书中已经记载)，除非这种技术特征的组合在技术上是不可行的。例如，在一个例子中公开了特征A+B+C，在另一个例子中公开了特征A+B+D+E，而特征C和D是起到相同作用的等同技术手段，技术上只要择一使用即可，不可能同时采用，特征E技术上可以与特征C相组合，则，A+B+C+D的方案因技术不可行而应当不被视为已经记载，而A+B+C+E的方案应当视为已经被记载。
附图说明
图1是根据本说明书第一实施方式的退款方法流程示意图；
图2是根据本说明书第二实施方式的无人零售设备结构示意图；
图3是根据本说明书第三实施方式的退款系统示意图；
图4是根据本说明书一个具体实施例的退款方法流程示意图。
具体实施方式
在以下的叙述中，为了使读者更好地理解本申请而提出了许多技术细节。但是，本领域的普通技术人员可以理解，即使没有这些技术细节和基于以下各实施方式的种种变化和修改，也可以实现本申请所要求保护的技术方案。
部分概念的说明：
对应关系：指两个或更多数据之间相对应的关系，通常保存在存储设备(如存储服务器、硬盘、内存等)，具体的存储形式可以是多种多样的，例如，可以是一个表示对应关系的文件，也可以是数据库中的一个表，等等。
无人零售设备，无需人员值守就可以完成商品挑选、收费和出售的自动化设备。在一些应用场景中也可以被称为自动售货机，无人零售柜等。无人零售设备不受时间、地点的限制，能节省人力、方便交易。有些无人零售设备包括一个或多个货道，每个货道用于摆放要出售的商品，在一个商品被购买时，通常一个货道的最前端的商品会被推出货道，滑落到取物窗口，用户可以直接打开取物窗口拿到商品。一个货道可以只摆放一种商品，也可以混合摆放多种商品。
下面将结合附图对本说明书的实施方式作进一步地详细描述。
本说明书的第一实施方式涉及一种退款方法，其流程如图1所示，该方法包括以下步骤：
在步骤102中，无人零售设备在被购商品出货之前，使用重量传感装置对当前库存商品进行称重，得到第一重量。触发这一次称重的时机可以有多种。可选地，无人零售设备在订单确认后使用重量传感装置对当前库存商品进行称重以得到第一重量。可选地，可以在每次出货后进行称重，保存该重量，在下一次出货时作为第一重量。
此后进入步骤104，无人零售设备通过输入装置接收到退款信号时，使用重量传感装置对当前库存商品再次进行称重，得到第二重量。输入装置可以是触摸屏，物理按键，键盘等。退款信号是代表用户要求退款的信号，例如用户可以通过触摸屏点击要求退款的图标而发出该退款信号。
在一个实施例中，无人零售设备中的商品被放置在一个或多个货道上，步骤102和步骤104中的两次称重都是对被购商品出货前所在的货道进行的。例如，无人零售设备有8个货道，每个货道放置一种商品。被购商品在出货前被放置在第7货道上，那么两次称重只要对第7货道进行就可以了。可选地，重量传感器被设置在货道中。每个货道可以设置一个重量传感器。
此后进入步骤106，无人零售设备判断第一重量和第二重量的重量差值是否小于阈值，如果是则进入步骤110，否则进入步骤108。
阈值的确定有多种方式。具体地说：
可选地，可以为所有的商品预先设定一个统一的阈值，而且该阈值小于无人零售设备中重量最轻的单件商品的重量。例如一个无人零售设备中有十几种商品，单件商品的重量在50克至400克之间，可以将阈值设定为20克或30克。阈值太小的话容易因为测量误差而产生误判，例如商品卡货了，两次测量的重量应该相等，但因为测量误差比较大，而阈值又太小，导致被误判为商品已经顺利出货。一般而言，阈值不应该小于可能的测量误差范围。阈值太大的话也会因为测量误差导致误判，例如对一些较轻的商品，已经顺利出货了，但是该商品太轻，该商品的重量受测量误差影响后没有超过阈值，从而被误判为卡货。
可选地，无人零售设备具备多个货道，无人零售设备中预先设置有货道和阈值的对应关系，或者说每个货道可以设置一个对应的阈值，各个货道对应的阈值可以相同也可以不同。各个货道对应的阈值可以和该货道中放置的商品类型有关，如果是单件商品比较重的情况，例如饮料，可以设置比较大的阈值。如果是单件商品比较轻的情况，例如薯片，可以设置比较小的阈值。在需要将重量差值和阈值比较时，可以根据被购商品所在的货道查询上述对应关系，获得该货道对应的阈值，使用该阈值和重量差值相比较，来确定是否发起退款。
可选地，无人零售设备中预先设置有商品类型和阈值的对应关系，或者说每一种商品可以设置一个对应的阈值，各种商品对应的阈值通常与该商品的单件重量有关，原 则上单件商品越重，该商品的商品类型对应的阈值越高。每个商品类型中单件商品的重量无人零售设备中是可以预先设置的，在一个实施例中，阈值可以设置为单件商品重量的一个比例，例如40％。在需要将重量差值和阈值比较时，可以根据被购商品的商品类型查询查询上述对应关系，获得该商品类型对应的阈值，使用该阈值和重量差值相比较，来确定是否发起退款。这样就可以自适应地实现不同商品的不同阈值，提高了重量差异判断的精度，尤其对于同一个货道上可能同时放置重量不同的多种商品的情况，可以有效避免相对误差对判断准确性的影响。
在步骤108中，无人零售设备在显示屏上显示表示无法立即退款的信息。其中可以包括人工处理退款的联系方式，供用户走人工退款的途径。
在步骤110中，无人零售设备发起退款流程。
在一个实施例中，退款流程进一步包括：
无人零售设备发送退款指令给商家业务系统，该退款指令包括交易订单号。
商家业务系统响应于退款指令，根据交易订单号获取对应的交易金额和付款账号。
商家业务系统向收单受理系统发送退款申请，其中包括交易订单号，交易金额和付款账号。
收单受理系统响应于退款申请，根据交易订单号和交易金额向付款账号发起退款。
如果退款成功，收单受理系统向商家业务系统发送通知退款成功的消息。商家业务系统向无人零售设备发送通知退款成功的消息。无人零售设备将退款结果显示在显示屏上。
如果退款失败，收单受理系统可以向商家业务系统发送退款失败消息，商家业务系统再向无人零售设备发送通知退款失败消息，无人零售设备将退款失败的结果显示在显示屏上。
本实施方式通过引入重量检测识别机制，可以自动核实卡货的情况，用户可以在无人零售设备上一键完成退款，无需电话客服人员进行反馈，极大地简化了用户的退款流程，提升了用户的消费体验；商家则可以减少相应岗位的人员配置，缩减运营成本，提升企业运营效率。
本说明书的第二实施方式涉及一种无人零售设备，其结构如图2所示，该无人零售设备包括：
重量传感装置，用于对当前库存商品进行称重。重量传感装置可以有一个或多个，图2中示意性地画了3个，但不限于3个的情况，可以更多或更少。
输入装置。输入装置可以是触摸屏，物理按键，键盘等。
通信装置。可以是无线通信模块(例如WIFI模块，4G通信模块，5G通信模块等)，也可以是有线通信模块，例如光纤通信模块，以太网通信模块等。通信装置可以与外部系统(例如商家业务系统)进行连接和通信。
控制装置，用于在被购商品出货之前，控制重量传感装置对当前库存商品进行称重，得到第一重量。在通过输入装置接收到退款信号时，控制重量传感装置对当前库存商品再次进行称重，得到第二重量。如果第一重量和第二重量的重量差值小于阈值，则控制通信装置向外部系统发送退款指令。控制装置可以是一个处理器，其功能可以通过运行软件的方式实现。在一个实施例中，该处理器可以是中央处理单元(Central Processing Unit，简称“CPU”)，还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，简称“DSP”)、专用集成电路(Application Specific Integrated Circuit，简称“ASIC”)等。
控制装置控制第一次称重(得到第一重量)的时机可以有多种。可选地，在订单确认后控制重量传感装置对当前库存商品进行称重以得到第一重量。可选地，可以在每次出货后进行称重，保存该重量，在下一次出货时作为第一重量。
在一个实施例中，无人零售设备包括至少一个货道，货道用于存放商品。重量传感器被设置在货道中，用于对货道中的当前库存商品进行称重。
在一个实施例中，无人零售设备具备多个货道。无人零售设备还包括存储器，其中存储有货道和阈值的对应关系。控制装置根据所述被购商品所在的货道，通过查询该对应关系得到阈值，用于和重量差值相比较。
在一个实施例中，无人零售设备还包括存储器，其中存储有商品类型和阈值的对应关系。控制装置根据所述被购商品的商品类型，通过查询该对应关系得到阈值，用于和重量差值相比较。
在一个实施例中，阈值小于无人零售设备中重量最轻的单件商品的重量。
在一个实施例中，无人零售设备还包括显示屏。控制装置在判定重量差值大于阈值时在显示屏上显示表示无法立即退款的信息。
第一实施方式是与本实施方式相对应的方法实施方式，第一实施方式中的技术细节可以应用于本实施方式，本实施方式中的技术细节也可以应用于第一实施方式。
本说明书的第三实施方式涉及一种退款系统，其结构如图2所示，该退款系统包括：
如第二实施方式所描述的无人零售设备，该无人零售设备所发送的退款指令包括交易订单号。
商家业务系统，用于响应于退款指令，根据交易订单号获取对应的交易金额和付款账号，向收单受理系统发送退款申请，其中包括交易订单号，交易金额和付款账号。
收单受理系统，用于响应于退款申请，根据交易订单号和交易金额向付款账号发起退款。
在一个实施例中，收单受理系统还用于在退款成功时向商家业务系统发送通知退款成功的消息。商家业务系统还用于向无人零售设备发送通知退款成功的消息。无人零售设备还用于将退款结果显示在显示屏上。
第一实施方式是与本实施方式相对应的方法实施方式，第一实施方式中的技术细节可以应用于本实施方式，本实施方式中的技术细节也可以应用于第一实施方式
为了能够更好地理解本说明书的技术方案，下面结合一个具体的例子来进行说明，该例子中罗列的细节主要是为了便于理解，不作为对本申请保护范围的限制。该例子的流程如图4所示。
在步骤1：用户在无人零售柜上选择所要购买的商品。无人零售柜是无人零售设备的一种。
在步骤1.1，此时无人零售柜通过货道内置的重量传感装置，对该商品所在的货道内的库存商品进行重量检测，并将检测结果(即第一重量)进行存储。
在步骤2：用户通过移动支付设备，扫描无人零售柜上的付款码，完成付款，并等待出货。
在步骤2.1，无人零售柜发生故障，导致商品未出货。
在步骤3：用户点击无人零售柜上的退款按钮，在无人零售柜上对本次交易发起退款申请；
在步骤3.1，无人零售柜通过货道内置的重量传感装置，对该商品所在的货道内的 库存商品进行重量检测，并将检测结果(即第二重量)进行存储。
在步骤3.1.1，无人零售柜对最近两次重量检测数据(即第一重量和第二重量)进行比较。
在步骤3.1.2，比较结果是重量差异不超过预先设定的误差临界值(即阈值)，则说明发生卡货。
在步骤3.1.3，无人零售柜将退款指令传输给商家的业务系统，退款指令中包括交易订单号。
在步骤3.1.3.1，商家业务系统接收到无人零售柜下达的退款指令后，根据交易订单号提取出对应的交易金额，付款账号，以及此笔订单的收单受理系统信息；由商家业务系统，向目标收单受理系统发起极速退款申请，包括交易订单号，退款金额和付款账号。
在步骤3.1.3.1.1，收单受理系统收到极速退款申请时，直接向用户发起退款，用户的退款金额可以即时到账。
在步骤3.1.3.1.2，收单受理系统发送携带退款结果信息的通知消息到商家的业务系统，通知商家已经完成退款。
在步骤3.1.4，商家业务系统接收到收单受理系统的反馈后，将退款结果推送到无人零售柜。
在步骤3.2，无人零售柜通过显示屏向用户展示退款结果。
在步骤3.1.5，无人零售柜对最近两次重量检测记录进行识别比对后发现差异超过预先设定的误差临界值，说明没有卡货，则在步骤3.1.6拒绝用户的急速退款申请，并在步骤3.1.7通过该显示屏向用户展示退款失败的信息，建议用户电话咨询。
上文提到的预先设定的误差临界值，可以根据内置在无人零售柜中的重量传感装置的敏感度以及该无人零售柜内所放置的最小单个商品的重量来确定。当检测仪敏感度较高且单商品重量较大时，可以适当减小误差临界值；反之，则可以适当增大。
需要说明的是，本领域技术人员应当理解，上述无人零售设备的实施方式中所示的各模块的实现功能可参照前述退款方法的相关描述而理解。上述无人零售设备的实施方式中所示的控制装置的功能可通过运行于处理器上的程序(可执行指令)而实现，也可通过具体的逻辑电路而实现。本说明书实施例上述控制装置如果以软件功能模块的形 式实现，也可以存储在一个计算机可读取存储介质中。这样，本说明书实施例不限制于任何特定的硬件和软件结合。
相应地，本说明书实施方式还提供一种计算机可读存储介质，其中存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现本说明书的各方法实施方式。计算机可读存储介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括但不限于，相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带，磁带磁磁盘存储或其他磁性存储设备或任何其他非传输介质，可用于存储可以被计算设备访问的信息。按照本文中的界定，计算机可读存储介质不包括暂存电脑可读媒体(transitory media)，如调制的数据信号和载波。
需要说明的是，在本专利的申请文件中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。本专利的申请文件中，如果提到根据某要素执行某行为，则是指至少根据该要素执行该行为的意思，其中包括了两种情况：仅根据该要素执行该行为、和根据该要素和其它要素执行该行为。多个、多次、多种等表达包括2个、2次、2种以及2个以上、2次以上、2种以上。
在本说明书提及的所有文献都被认为是整体性地包括在本说明书的公开内容中，以便在必要时可以作为修改的依据。此外应理解，以上所述仅为本说明书的较佳实施例而已，并非用于限定本说明书的保护范围。凡在本说明书一个或多个实施例的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本说明书一个或多个实施例的保护范围之内。
在一些情况下，在权利要求书中记载的动作或步骤可以按照不同于实施例中的顺 序来执行并且仍然可以实现期望的结果。另外，在附图中描述的过程不一定要求示出的特定顺序或者连续顺序才能实现期望的结果。在某些实施方式中，多任务处理和并行处理也是可以的或者可能是有利的。

Claims (19)

  1. 一种退款方法，包括：
    无人零售设备在被购商品出货之前，使用重量传感装置对当前库存商品进行称重，得到第一重量；
    通过输入装置接收到退款信号时，使用所述重量传感装置对当前库存商品再次进行称重，得到第二重量；
    如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程。
  2. 如权利要求1所述的方法，其中，所述使用重量传感装置对当前库存商品进行称重，和所述使用所述重量传感装置对当前库存商品再次进行称重的步骤中，分别使用所述重量传感装置对所述被购商品所在的货道中的当前库存商品进行称重。
  3. 如权利要求2所述的方法，其中，所述重量传感器被设置在所述货道中。
  4. 如权利要求2所述的方法，其中，所述无人零售设备具备多个货道，所述无人零售设备中预先设置有货道和阈值的对应关系；
    所述如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程，进一步包括：根据所述被购商品所在的货道查询所述对应关系，获得该货道对应的阈值；如果所述第一重量和所述第二重量的重量差值小于所获得的阈值，则发起退款流程。
  5. 如权利要求2所述的方法，其中，所述无人零售设备中预先设置有商品类型和阈值的对应关系；
    所述如果所述第一重量和所述第二重量的重量差值小于阈值，则发起退款流程，进一步包括：根据所述被购商品的商品类型查询所述对应关系，获得所述被购商品的商品类型所对应的阈值；如果所述第一重量和所述第二重量的重量差值小于所获得的阈值，则发起退款流程。
  6. 如权利要求1所述的方法，其中，所述阈值小于所述无人零售设备中重量最轻的单件商品的重量。
  7. 如权利要求1所述的方法，其中，所述无人零售设备在被购商品出货之前，使用重量传感装置对当前库存商品进行称重，得到第一重量，进一步包括：
    所述无人零售设备在所述被购商品的订单被确认后使用重量传感装置对当前库存商品进行称重以得到所述第一重量。
  8. 如权利要求1-7中任意一项所述的方法，其中，所述退款流程进一步包括：
    所述无人零售设备发送退款指令给商家业务系统，该退款指令包括交易订单号；
    所述商家业务系统响应于所述退款指令，根据所述交易订单号获取对应的交易金额 和付款账号；
    所述商家业务系统向收单受理系统发送退款申请，其中包括所述交易订单号，所述交易金额和所述付款账号；
    所述收单受理系统响应于所述退款申请，根据所述交易订单号和所述交易金额向所述付款账号发起退款。
  9. 如权利要求8所述的方法，其中，所述根据所述交易订单号和所述交易金额向所述付款账号发起退款之后，还包括：
    如果退款成功，所述收单受理系统向所述商家业务系统发送通知退款成功的消息；所述商家业务系统向所述无人零售设备发送通知退款成功的消息；所述无人零售设备将退款结果显示在显示屏上。
  10. 如权利要求1-7中任意一项所述的方法，其中，
    如果所述第一重量和所述第二重量的重量差值大于所述阈值，则所述无人零售设备在显示屏上显示表示无法立即退款的信息。
  11. 一种无人零售设备，包括：
    重量传感装置，用于对当前库存商品进行称重；
    输入装置；
    通信装置；
    控制装置，用于在被购商品出货之前，控制所述重量传感装置对当前库存商品进行称重，得到第一重量；在通过输入装置接收到退款信号时，控制所述重量传感装置对当前库存商品再次进行称重，得到第二重量；如果所述第一重量和所述第二重量的重量差值小于阈值，则控制所述通信装置向外部系统发送退款指令。
  12. 如权利要求11所述的无人零售设备，其中，所述无人零售设备包括至少一个货道，所述货道用于存放商品；
    所述重量传感器被设置在所述货道中，用于对所述货道中的当前库存商品进行称重。
  13. 如权利要求12所述的无人零售设备，其中，所述无人零售设备具备多个货道；
    所述无人零售设备还包括存储器，其中存储有货道和阈值的对应关系；
    所述控制装置根据所述被购商品所在的货道查询所述对应关系，得到用于和所述重量差值相比较的所述阈值。
  14. 如权利要求12所述的无人零售设备，其中，所述无人零售设备还包括存储器，其中存储有商品类型和阈值的对应关系；
    所述控制装置根据所述被购商品的商品类型查询所述对应关系，得到用于和所述重 量差值相比较的所述阈值。
  15. 如权利要求12所述的无人零售设备，其中，所述阈值小于所述无人零售设备中重量最轻的单件商品的重量。
  16. 如权利要求11所述的无人零售设备，其中，所述无人零售设备还包括显示屏；
    所述控制装置在判定所述重量差值大于所述阈值时在所述显示屏上显示表示无法立即退款的信息。
  17. 如权利要求11所述的无人零售设备，其中，所述控制装置在所述被购商品的订单确认后控制所述重量传感装置对当前库存商品进行称重以得到所述第一重量。
  18. 一种退款系统，包括：
    如权利要求11-17中任意一项所述的无人零售设备，该无人零售设备所发送的退款指令包括交易订单号；
    商家业务系统，用于响应于所述退款指令，根据所述交易订单号获取对应的交易金额和付款账号，向收单受理系统发送退款申请，其中包括所述交易订单号，所述交易金额和所述付款账号；
    所述收单受理系统，用于响应于所述退款申请，根据所述交易订单号和所述交易金额向所述付款账号发起退款。
  19. 如权利要求18所述的退款系统，其中，
    所述收单受理系统还用于在退款成功时向所述商家业务系统发送通知退款成功的消息；
    所述商家业务系统还用于向所述无人零售设备发送通知退款成功的消息；
    所述无人零售设备还用于将退款结果显示在显示屏上。
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CN207380804U (zh) * 2017-09-19 2018-05-18 上海孚迅机器人有限公司 一种可以自动判断货品数量的自动售货机
CN107705436A (zh) * 2017-09-21 2018-02-16 帮团成都电子商务有限责任公司 一种称重装置、重量处理方法及自动售货机
CN110033283A (zh) * 2019-02-19 2019-07-19 阿里巴巴集团控股有限公司 无人零售设备和退款方法及其设备

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* Cited by examiner, † Cited by third party
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CN113129031A (zh) * 2021-04-15 2021-07-16 广东便捷神科技股份有限公司 一种基于无人售货机的可退货方法
CN113129031B (zh) * 2021-04-15 2024-04-23 广东便捷神科技股份有限公司 一种基于无人售货机的可退货方法
CN116912998A (zh) * 2023-07-12 2023-10-20 珠海格力电器股份有限公司 订单的处理方法、装置、设备及存储介质

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