CN109215219B - Method and system for improving counting speed of vending machine - Google Patents
Method and system for improving counting speed of vending machine Download PDFInfo
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- CN109215219B CN109215219B CN201811054999.2A CN201811054999A CN109215219B CN 109215219 B CN109215219 B CN 109215219B CN 201811054999 A CN201811054999 A CN 201811054999A CN 109215219 B CN109215219 B CN 109215219B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/002—Vending machines being part of a centrally controlled network of vending machines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- G—PHYSICS
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- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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Abstract
The invention discloses a method and a system for improving the counting speed of an automatic vending machine, wherein the method comprises the following steps: receiving a shopping request of a customer; acquiring an unlocking instruction from a server; opening the intelligent lock and indicating each weight sensing device to collect the total weight of all the commodities on the shelf; when the intelligent lock is closed, each weight sensing device is instructed to gather the total weight of all the commodities on the shelf again; comparing the total weight data acquired twice, and for the goods shelves with the changed total weight of all the goods, indicating the RFID reader-writer on the goods shelves to count the goods on the goods shelves to obtain the types and the number of the goods taken away by the customer on the goods shelves; the items taken by the customer are aggregated and settled for payment. By adopting the scheme, the processing time of determining the types and the number of the commodities taken away by the customer by the vending machine is reduced, so that the time consumed by shopping of the customer and the waiting time of the next customer are reduced, and the shopping experience of the user is improved.
Description
Technical Field
The invention relates to the field of automatic retail, in particular to a method and a system for improving the counting speed of an automatic vending machine.
Background
A Vending Machine (VEM) is a Machine that can automatically dispense coins, bills, credit cards, and the like by being inserted thereinto in a broad sense. The vending machine is a brand new commercial retail form, developed from japan and europe and the united states in the 20 th century in the 70 th era, is not limited by time and place, can save manpower and facilitate transactions, and is also called a micro supermarket operating for 24 hours. In japan, 70% of canned beverages are sold by vending machines; there are 50 million beverage dispensers distributed worldwide by the well known beverage merchant coca-cola company. At present, the common domestic vending machines are divided into four types: beverage vending machine, food vending machine, comprehensive vending machine, and cosmetics vending machine.
The basic functions that can be realized by the common vending machines on the market at present include: by adopting the LED display screen and multimedia display technology, the vending machine system is in butt joint with the PC system, so that a consumer can select and purchase the commodities of the vending machine through the touch screen controlled by the PC, a goods selection key is replaced, and the vending machine has a media function; under the supporting condition of a network environment, the system has various electronic payment functions, such as credit card, stored value card and other card swiping consumption and mobile phone mobile payment; the electric control system can be matched with a paper money and coin recognizer to increase the function of the voucher, and can recognize the voucher of paper and coin types; with the data of the current operation of automatic vending machine, including system status, system fault, material way trouble, the out of stock condition, sales data are through installing GPRS module wireless transmission to vending machine network server on automatic vending machine, and the operation personnel can master these information of vending machine on any one networking computer, and the operator can also master the condition of selling of different areas, different machines, different commodity, realizes the extensive operation and the network management of automatic vending machine.
In recent two years, all large internet enterprises are concerned about intelligent unmanned retail technology worldwide. In early 2016, an unmanned convenience store which can enter by scanning a two-dimensional code through a mobile phone and can pay by binding a credit card with the mobile phone appears in Sweden. In 2016, amazon introduced unmanned convenience stores in the united states, who took which item by sensing the relative position of the person and the shelves and the movement of the items on the shelves, and completed the purchase by scanning the amazon client on the phone, without the need for customers to queue up and wait for the checkout. In 5 months 2017, the Korea Letian group started testing "swipe" payments using biotechnology at "7-Eleven" high-end version "7-elevenSignature". In 7 months, a client named as a Mars rabbit is also released by Jurisson of the convenience store in Japan, and the field of military unmanned payment is announced.
In China, as an unmanned supermarket experience store in Ali falls to the ground in Hangzhou, the intelligent retail industry also becomes a popular industry, the reputations of the retail industry under the traditional Chinese line are realized, and numerous merchants find points of cut in to lay out. The vending machine is generally in the form of an intelligent refrigerator (but is not limited to a refrigerator), and is different from the traditional vending machine which only sells single products, various products such as fruits, bread, beverages, snacks and the like are placed in the intelligent refrigerator, and the packaging form is not limited at all.
The intelligent vending machine can be technically realized, and benefits from novel application of a Radio Frequency Identification (RFID) tag and RFID read-write equipment. As a key technology of the internet of things, the radio frequency identification RFID technology has attracted attention in recent years, and can identify a specific target and read and write related data through a radio signal without establishing mechanical or optical contact between an identification system and the specific target. In the intelligent vending machine, each commodity is pasted with an RFID label, when the door is closed every time, the vending machine can perform checking once, and the checking purpose is to identify the types and the quantity of all commodities in the current vending machine. When the system is applied specifically, when one transaction is completed, the customer closes the door after taking the selected commodity, the vending machine performs one checking, and the commodity taken by the customer can be determined through two checking operations, so that the settlement can be correctly carried out with the customer.
The problem that exists among the prior art is that, in an intelligent automatic vending machine, because do not do any restriction to the form of packing, what put is the real object of various article types, for the vending machine that the box capacity is great, the total number of all commodities can be as many as several hundred or even thousands, put on several layers of goods shelves, it takes at least tens of seconds to complete all commodities of inventorying, because only wait until the automatic vending machine closes the door and the inventorying is finished, can finish the present transaction and begin the transaction of next time, have increased the speed that the customer settled accounts and the time that the next customer waited for seriously. From the technical point of view, the speed of inventory is fundamentally dependent on the reading speed of RFID, and the reading speed of RFID is limited by the technical bottleneck, which cannot be further significantly improved at present. In view of the wide application prospect of the intelligent vending machine and the importance of the transaction speed to the user experience, the inventor of the invention provides a new method and a new system for improving the counting speed of the vending machine on the basis of researching the existing working mode, and the defects in the prior art can be effectively overcome.
Disclosure of Invention
In order to solve the above mentioned problems in the background art, the present invention provides a method for increasing the inventory speed of a vending machine, wherein the vending machine comprises two or more independent shelves, each shelf is provided with a weight sensing device and an RFID reader/writer, and each commodity in the vending machine has an RFID tag thereon, the method comprising:
step S101: receiving a shopping request of a customer, acquiring relevant information of the customer and sending the relevant information to a server;
step S102: acquiring an unlocking instruction or an unlocking refusing instruction sent by the server based on the verification result of the relevant information of the client; if the unlocking instruction is acquired, executing step S103; if the obtained command is the command of refusing to unlock, executing step S108;
step S103: opening the intelligent lock according to the unlocking instruction, and indicating each weight sensing device to collect the total weight of all commodities on the shelf;
step S104: when the intelligent lock is detected to be closed, each weight sensing device is instructed to acquire the total weight of all commodities on the shelf again;
step S105: respectively judging whether the total weight of all the commodities on each shelf changes or not by comparing the total weight data acquired when the intelligent lock is opened with the total weight data acquired when the intelligent lock is closed;
step S106: for the goods shelf with the changed total weight of all the goods, indicating the RFID reader-writer on the goods shelf to count the goods on the goods shelf, and acquiring the types and the number of the goods taken away by the customer on the goods shelf;
step S107: collecting the types and the quantity of the commodities taken away by the customers on each shelf and paying; and the number of the first and second groups,
step S108: and finishing the shopping.
The method for increasing the vending machine 'S inventory speed according to the above, wherein the receiving of the customer' S shopping request in step S101 includes one or more of the following ways:
firstly, a customer opens a portable mobile terminal, scans a two-dimensional code on the front surface of the vending machine by using an app with a payment function installed on the mobile terminal, and the vending machine receives a shopping request of the customer;
secondly, a shopping request of a customer is received by reading a two-dimensional code generated on a mobile terminal carried by the customer;
third, a customer's purchase request is received by reading magnetic stripe information on a credit or savings card carried with the customer.
According to the method for improving the counting speed of the vending machine, the step S101 of obtaining the relevant information of the customer and sending the relevant information to the server specifically comprises the following steps:
step S1011: obtaining information that can be used to verify customer identity and/or confirm that account balance is sufficient;
step S1012: and sending the related information to a server through the Internet.
According to the method for increasing the inventory speed of the vending machine, the step S102 of obtaining the unlocking instruction or the unlocking refusal instruction sent by the server based on the verification result of the relevant information of the customer specifically includes:
the server firstly verifies the identity information of the customer, and if the verification fails, an instruction of refusing unlocking is directly sent to the vending machine; if the verification is passed, further confirming the balance information of the payment account; if the balance is zero or negative, or the balance is not enough to pay the commodity sold in the vending machine with the lowest price although the balance is certain, directly sending an unlocking refusal instruction to the vending machine, and if the balance is sufficient or at least enough to pay the commodity sold in the vending machine with the lowest price, sending an unlocking instruction to the vending machine.
According to the method for improving the inventory speed of the vending machine, in the step S103, the intelligent lock is unlocked according to the unlocking instruction, and each weight sensing device is instructed to collect the total weight of all commodities on the shelf, specifically:
and indicating the weight sensing devices arranged on each independent shelf in the vending machine to collect the total weight of all commodities on the shelf, collecting the first weighing result of each weight sensing device for storage, and opening the intelligent lock according to the unlocking instruction after the weighing result of each weight sensing device is ensured to be received.
According to the method for increasing the inventory speed of the vending machine, the step S103 of opening the intelligent lock according to the unlocking instruction further includes:
after the intelligent lock is opened, the unlocking state of the intelligent lock lasts for a certain time, whether a container door of the vending machine is opened within a certain time or not is judged, if the container door is not opened, the intelligent lock is closed, and step S108 is executed; if the container door is determined to be opened, the process proceeds to the next step S104.
The method for increasing the vending machine inventory speed according to the above, further comprising the following steps after step S108:
step S109, detecting whether a customer is on the front side of the vending machine; if so, executing step S112; if there is no customer, go to step S110;
step S110, the RFID reader-writers on the goods shelves of which the total weight of all the goods in the vending machine is unchanged are indicated to count the goods on the goods shelves, and the counting result of the last time is compared with the counting result;
step S111, judging whether the conditions of lack of commodities or inconsistent types and quantity of the commodities exist according to the comparison result, if so, sending alarm information to the server, switching to another mode in subsequent shopping, and indicating the RFID readers on all goods shelves in the automatic vending machine to count the commodities on the goods shelves;
step S112, wait for the next customer to initiate a shopping request.
In order to achieve the above object, the present invention further provides a system for increasing the inventory speed of a vending machine, wherein the system is used for a vending machine including two or more independent shelves therein, each shelf is provided with a weight sensing device and an RFID reader/writer, each commodity in the vending machine is provided with an RFID tag, the system includes a request receiving unit, an information extracting unit, an information transmitting unit, an information receiving unit, a processing unit, a weight determining unit, and a settlement unit, and is characterized in that:
the request receiving unit is used for receiving a shopping request of a customer;
the information extraction unit is used for acquiring the relevant information of the customer;
the information sending unit is used for sending the relevant information of the customer to a server;
the information receiving unit is used for acquiring an unlocking instruction or an unlocking refusing instruction sent by the server based on the verification result of the relevant information of the client;
the processing unit is used for unlocking the intelligent lock according to the unlocking instruction and indicating each weight sensing device to collect the total weight of all commodities on the shelf, indicating each weight sensing device to collect the total weight of all commodities on the shelf again when the intelligent lock is detected to be closed, and indicating the RFI D reader-writer on the shelf with the changed total weight of all commodities to count the commodities on the shelf so as to obtain the types and the number of the commodities taken away by the customer on the shelf;
the weight judging unit is used for respectively judging whether the total weight of all the commodities on each shelf changes or not by comparing the total weight data acquired when the intelligent lock is opened with the total weight data acquired when the intelligent lock is closed; and the number of the first and second groups,
and the settlement unit is used for summarizing the types and the quantity of the commodities taken away by the customers on the shelves and paying the settlement.
The system for increasing the vending machine's inventory speed according to, wherein the request receiving unit receiving the customer's shopping request comprises one or more of the following ways:
firstly, a customer opens a portable mobile terminal, scans a two-dimensional code on the front surface of the vending machine by using an app with a payment function installed on the mobile terminal, and a request receiving unit receives a shopping request of the customer;
secondly, a shopping request of a customer is received by reading a two-dimensional code generated on a mobile terminal carried by the customer;
third, a customer's purchase request is received by reading magnetic stripe information on a credit or savings card carried with the customer.
According to the system for improving the counting speed of the vending machine, the information extraction unit is used for acquiring information which can be used for verifying the identity of a customer and/or confirming that the account balance is enough; the information sending unit is used for sending the related information to the server through the Internet.
According to the system for improving the inventory speed of the vending machine, the unlocking instruction or the unlocking refusal instruction sent by the server based on the verification result of the relevant information of the customer is obtained by the information receiving unit and specifically comprises the following steps:
the server firstly verifies the identity information of the customer, and if the verification fails, an instruction of refusing unlocking is directly sent to the information receiving unit; if the verification is passed, further confirming the balance information of the payment account; if the balance is zero or negative, or the balance is not enough to pay the commodity sold in the vending machine with the lowest price although the balance is certain, directly sending an unlocking refusal instruction to the information receiving unit, and if the balance is sufficient or at least enough to pay the commodity sold in the vending machine with the lowest price, sending an unlocking instruction to the information receiving unit.
According to the system for improving the counting speed of the vending machine, the processing unit opens the intelligent lock according to the unlocking instruction and indicates each weight sensing device to collect the total weight of all commodities on the shelf, wherein the total weight is as follows:
the processing unit instructs the weight sensing devices arranged on each independent shelf in the vending machine to collect the total weight of all commodities on the shelf, collects the first weighing result of each weight sensing device for storage, and opens the intelligent lock according to the unlocking instruction after the weighing result of each weight sensing device is ensured to be received.
The system for increasing the vending machine inventory speed according to, wherein the processing unit is further configured to:
and after the intelligent lock is opened, the unlocking state of the intelligent lock lasts for a certain time, whether a container door of the vending machine is opened within a certain time or not is judged, and if the container door is not opened, the intelligent lock is closed.
According to the system for improving the counting speed of the vending machine, the system further comprises a customer monitoring unit, wherein the customer monitoring unit is used for detecting whether customers exist on the front side of the vending machine or not and sending a detection result to the processing unit;
the processing unit is further used for receiving the detection result of the customer monitoring unit, if the detection result shows that no customer is on the front side of the vending machine, the processing unit instructs the RFID readers on the shelves, the total weight of all commodities of which is unchanged, in the vending machine to count the commodities on the shelves, compares the counting result with the counting result of the last time, judges whether the commodities are lacked or the types and the number of the commodities are inconsistent according to the comparison result, if the counting result is lacked, sends alarm information to the server, switches to another mode in subsequent shopping, and instructs the RFID readers on all the shelves of the vending machine to count the commodities on the shelves; and if the detection result shows that the customer is on the front surface of the vending machine, waiting for the next customer to initiate a shopping request.
In view of the above-mentioned drawbacks, the method and system for increasing the inventory speed of the vending machine according to the present invention are configured such that each shelf in the vending machine is provided with a weight sensing device and an RFID reader/writer, and when a customer closes a cabinet door of the vending machine after selecting a commodity, the weight sensing device senses a weight change condition of each shelf, and the RFID reader/writer is used to inventory the commodity only for the shelf with the changed weight to determine the type and the number of the commodity taken away by the customer.
Drawings
FIG. 1 is a flow chart of a method for increasing the inventory speed of a vending machine according to the present invention;
FIG. 2 is a flowchart of a method for increasing the speed of a vending machine counter according to a preferred embodiment of the present invention;
FIG. 3 is a block diagram of a system for increasing the speed of a vending machine's inventory, according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions and preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, by which how to apply technical means to solve technical problems and achieve the technical effects can be fully understood and implemented. In the following detailed description, numerous details are set forth in order to provide a thorough understanding of the present invention, but it will be appreciated by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well known methods, procedures, and components have not been described in detail as not to unnecessarily obscure the embodiments.
In the invention, the vending machine generally refers to intelligent equipment capable of automatically realizing goods transaction and payment, does not limit the specific shape and structure of the vending machine, and can be placed in places such as airports, railway stations, subway stations, offices, markets, hotels and the like; the mobile terminal generally refers to a computer device that can be used in a mobile environment, and broadly includes a smart phone, a PDA, a tablet computer, a notebook, a wearable smart device, a POS machine, and even a vehicle-mounted computer.
Specifically, the vending machine comprises two or more independent goods shelves, each goods shelf is provided with a weight sensing device and an RFID reader-writer, and each commodity in the vending machine is provided with an RFID label.
Referring to fig. 1, in the method for increasing the order speed of the vending machine according to the present invention, the method specifically includes the steps of:
step S101: and receiving a shopping request of a customer, acquiring relevant information of the customer and sending the relevant information to a server.
Receiving a customer's purchase request includes one or a combination of the following:
the first method may be that a customer opens a portable mobile terminal, scans a two-dimensional code on the front of the vending machine with an app with a payment function installed on the mobile terminal, such as a pay pal or a WeChat, and the vending machine receives a shopping request from the customer.
The second method may be that the shopping request of the customer is received by reading a two-dimensional code generated on a mobile terminal carried by the customer. Specifically, a two-dimensional code reading device for identifying customer identity information is arranged at a certain position on the front side of the vending machine, and the two-dimensional code reading device is connected with the processing unit. In a preferred embodiment, the two-dimensional code reading device is integrated on an electronic display screen of the vending machine.
A third possibility is to receive the customer's purchase request by reading magnetic stripe information on a credit or savings card carried with the customer. Specifically, a bank card reading device is arranged at a certain position on the front surface of the vending machine, the bank card reading device comprises a keyboard for inputting a password by a user, and the device is connected with the processing unit.
The two-dimensional bar code/two-dimensional code records data symbol information by using a pattern with color alternation, which is distributed on a plane according to a certain rule, of a certain specific geometric figure; the concept of '0' and '1' bit stream which forms the internal logic base of computer is skillfully utilized in coding, a plurality of geometric shapes corresponding to binary system are used for representing literal numerical information, and the information is automatically read by an image input device or an optoelectronic scanning device so as to realize the automatic processing of the information: it has some commonality of barcode technology: each code system has its specific character set; each character occupies a certain width; has certain checking function and the like. Meanwhile, the method also has the function of automatically identifying information of different rows and processing the graph rotation change points.
The two-dimension code application can be divided into a read class and a main read class according to different service forms. The read type is usually applied in a way that an application party encrypts and compiles service information into a two-dimensional code image, and then sends the two-dimensional code image to a mobile terminal of a user in a short message or multimedia message way, and the user performs reading authentication on the two-dimensional code image on the mobile terminal through a special reading device arranged at a service network point when using the mobile terminal, and the two-dimensional code image is used as a certificate for transaction or identity recognition to support various applications. The main reading type is usually applied in a manner that a user installs a two-dimensional code client on a mobile terminal, and uses the mobile terminal to shoot and recognize a two-dimensional code picture containing specific information printed on media, newspaper and the like, and obtain the stored content of the two-dimensional code and trigger the mobile terminal to initiate various associated operations such as request, network connection, name card reading, telephone dialing and the like.
The invention preferably uses the main reading type two-dimensional code, and for the two-dimensional code arranged on the vending machine, the two-dimensional code is used for uniquely identifying the vending machine and also contains information such as the address of the vending machine. In order to facilitate the customer to scan the two-dimensional code, the two-dimensional code is arranged at the front side of the vending machine, which is convenient to scan. The two-dimensional code generated on the mobile terminal carried by the customer comprises the unique identity information of the customer and/or the information of the payment account.
In a preferred embodiment, to save energy, the lighting system inside the vending machine cabinet may be set to a default off state, and the lighting system may be activated for illumination only after receiving a purchase request from a customer.
The information for verifying the identity of the customer mainly comprises a user name of an app with a payment function, a real name corresponding to the user name or a user main name of a bank card, a login password, an identity card number and the like, and the information for confirming the sufficient account balance mainly comprises an account name, a payment password, an available balance and the like of a payment account such as a payment bank, a WeChat, a bank card and the like. In a preferred embodiment, when a shopping request of a customer is obtained, relevant information of the customer is obtained from the shopping request, and after shopping is finished, commodities selected by the customer at this time are stored in a customer profile associated with the customer identity information as historical shopping data, so that a unique customer profile recording shopping habits of the customer is constructed for each customer and uploaded to a server, and management of the customer information is realized.
In the present invention, the server is connected to the internet, through which a plurality of vending machines distributed at different locations can be accessed. The vending machine establishes a connection to the internet through a network communication device (e.g., fiber optic, network, power line, etc.) or a wireless communication device (e.g., Wi-Fi, bluetooth, NFC, cellular communication, etc.) to interact with the server. Since the information of the interaction relates to the sensitive payment account information such as account name, payment password, available balance and the like of the payment treasure, the WeChat, the bank card and the like, in a preferred embodiment, the information interaction adopts an encryption mode such as a symmetric key or an asymmetric key. The primary functions of the server may include: information to verify customer identity and/or information to confirm sufficient account balance; the prices of sold products in a plurality of vending machines at different places are controlled and modified in a centralized manner; a product information center as a plurality of vending machines, which comprises information of products to users or purchasing processes related to the product information; regularly checking and centrally managing the stock condition of a plurality of vending machines; and so on.
Step S102: acquiring an unlocking instruction or an unlocking refusing instruction sent by the server based on the verification result of the relevant information of the client; if the unlocking instruction is acquired, executing step S103; if the obtained command is the command of refusing to unlock, step S108 is executed.
The server firstly verifies the identity information of the customer, and if the verification fails, an instruction of refusing unlocking is directly sent to the vending machine; if the verification is passed, further confirming the balance information of the payment account; if the balance is zero or negative, or the balance is not enough to pay the commodity sold in the vending machine with the lowest price although the balance is certain, directly sending an unlocking refusal instruction to the vending machine, and if the balance is sufficient or at least enough to pay the commodity sold in the vending machine with the lowest price, sending an unlocking instruction to the vending machine.
In a preferred embodiment, when the customer identity information is verified to be passed and the balance is determined to be less (for example, less than 100 yuan) although the balance is enough to pay the commodity with the lowest price sold in the vending machine, the server further judges whether the customer has the unpaid commodity, if so, the server returns a payment prompt message to the customer to request the customer to pay a bill for completing the unpaid commodity, and after the payment is completed, the server confirms the balance information of the payment account and sends an unlocking instruction to the vending machine only when the condition is met.
Step S103: and opening the intelligent lock according to the unlocking instruction, and indicating each weight sensing device to collect the total weight of all the commodities on the shelf.
In a preferred embodiment, after the intelligent lock is opened, the unlocking state of the intelligent lock continues for a certain time, whether a container door of the vending machine is opened within a certain time is judged, if the container door is not opened, the intelligent lock is closed, and step S108 is executed; if the container door is determined to be opened, the process proceeds to the next step S104.
The weight sensing device is preferably a load cell, which is in effect a device that converts a mass signal into a measurable electrical signal output. The sensor is used in consideration of the actual working environment of the sensor, which is important for correctly selecting the weighing sensor, and the sensor is related to whether the sensor can work normally, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus. The weighing sensor is classified into 8 types, such as photoelectric type, hydraulic type, electromagnetic type, capacitive type, magnetic pole deformation type, vibration type, gyroscope type, and resistance strain type, according to a conversion method, and is most widely used in the resistance strain type.
Preferably, the weight sensing devices arranged on each independent shelf in the vending machine are instructed to collect the total weight of all commodities on the shelf, the first weighing result of each weight sensing device is collected and stored, and after the weighing result of each weight sensing device is ensured to be received, the intelligent lock is unlocked according to the unlocking instruction.
Step S104: and when the intelligent lock is detected to be locked, each weight sensing device is instructed to acquire the total weight of all the commodities on the shelf again.
Step S105: and respectively judging whether the total weight of all the commodities on each shelf changes or not by comparing the total weight data acquired when the intelligent lock is opened with the total weight data acquired when the intelligent lock is closed.
Step S106: and for the goods shelf with the changed total weight of all the goods, indicating the RFID reader-writer on the goods shelf to count the goods on the goods shelf, and acquiring the types and the number of the goods taken away by the customer on the goods shelf.
Step S107: the types and amounts of the items on the various shelves taken by the customer are aggregated and a settlement is paid.
Step S108: and finishing the shopping.
The vending machine is convenient for users to freely select commodities due to the fact that the types of commodities placed in the vending machine are rich, namely, in the process of selecting the commodities, even if the commodities are taken out of the cabinet door by a customer, the commodities taken out of the cabinet door can be placed back to the goods shelf at any time before the cabinet door is closed as long as the final purchase intention is not provided. In such a complex and diverse practical application, the following situation is inevitable:
the customer wants to purchase a large number of commodities, only the commodity 1 is selected from the shelf A and the cabinet door is taken out, then the customer takes a plurality of commodities from the shelf B, C, D, E, at the moment before the container door is closed, the commodity 2 is found to be the most needed commodity on the shelf F which is not selected before, then the customer selects the commodity 2 and takes out the container door, at the moment, the commodity 1 is not needed to be purchased too much, the commodity 1 is put back to the shelf F instead of the original shelf A, and then the container door is closed to wait for settlement. Coincidentally, the weight of the articles 1 and 2 are identical, but the prices are different, and may even differ significantly.
Under the above situation, after the customer closes the cabinet door, to the F goods shelves, the total weight data of all commodities is found not to change through the total weight data of gathering when the comparison intelligence lock is opened and the total weight data of gathering when the intelligence lock is closed, therefore, the RFID read write line on the F goods shelves can not check the commodities on it, that is to say, deem that the customer does not get any commodity from the F goods shelves. For the shelf A, the total weight data collected when the intelligent lock is opened and the total weight data collected when the intelligent lock is closed are compared to find that the total weight of all the commodities changes, so that the RFID reader-writer on the shelf A can count the commodities on the shelf A, and the commodities 1 taken away by the customer on the shelf are obtained. In fact, the customer removes the product 2 from the vending machine instead of the product 1 that the system judges, which results in errors. If the price of item 1 is significantly higher than the price of item 2, the customer will feed back this error; conversely, the customer may not be able to feedback and find it. Further, even if the customer is prompted on the shelf to return the returned product to the original shelf in order to improve the shopping efficiency, it is difficult to avoid the above situation.
Referring to fig. 2, in order to find the above-mentioned settlement error in time and thus improve reliability, in the method for improving the counting speed of the vending machine according to the preferred embodiment of the present invention, the following step is further included after step S108:
step S109, detecting whether a customer is on the front side of the vending machine; if so, executing step S112; if there is no customer, step S110 is performed.
And step S110, indicating the RFID reader-writer on the goods shelf of which the total weight of all the goods in the vending machine is unchanged to count the goods on the goods shelf, and comparing the counting result with the last counting result.
And S111, judging whether the conditions of lack of commodities or inconsistent commodity types and quantity exist according to the comparison result, if so, sending alarm information to the server, switching to another mode in subsequent shopping, and indicating the RFID readers on all goods shelves in the automatic vending machine to count the commodities on the goods shelves.
Step S112, wait for the next customer to initiate a shopping request.
Referring to fig. 3, the system for increasing the vending machine's counter speed according to the preferred embodiment of the present invention includes a request receiving unit 301, an information extracting unit 302, an information transmitting unit 303, an information receiving unit 304, a processing unit 305, a weight judging unit 306, and a settlement unit 307, each of which is electrically connected to the processing unit 305. The system is used for the vending machine which comprises two or more independent shelves inside, each shelf is provided with a weight sensing device and an RFID reader-writer, and each commodity in the vending machine is provided with an RFID label. The functions realized by each unit in the system are as follows:
the request receiving unit 301 is configured to receive a shopping request of a customer.
Receiving a customer's purchase request includes one or a combination of the following:
the first method may be that a customer opens a portable mobile terminal, scans a two-dimensional code on the front of the vending machine with an app with a payment function installed on the mobile terminal, such as a pay pal or a WeChat, and the vending machine receives a shopping request from the customer.
The second method may be that the shopping request of the customer is received by reading a two-dimensional code generated on a mobile terminal carried by the customer. Specifically, a two-dimensional code reading device 309 for identifying customer identity information is arranged at a position on the front surface of the vending machine, and the two-dimensional code reading device 309 is connected with the processing unit 305. In a preferred embodiment, the two-dimensional code reading device 309 is integrated on the electronic display screen of the vending machine.
A third possibility is to receive the customer's purchase request by reading magnetic stripe information on a credit or savings card carried with the customer. In particular, a bank card reading device is provided at a position on the front face of the vending machine, said bank card reading device comprising a keyboard for the user to input a password, said device being connected to the processing unit 305.
The two-dimensional bar code/two-dimensional code records data symbol information by using a pattern with color alternation, which is distributed on a plane according to a certain rule, of a certain specific geometric figure; the concept of '0' and '1' bit stream which forms the internal logic base of computer is skillfully utilized in coding, a plurality of geometric shapes corresponding to binary system are used for representing literal numerical information, and the information is automatically read by an image input device or an optoelectronic scanning device so as to realize the automatic processing of the information: it has some commonality of barcode technology: each code system has its specific character set; each character occupies a certain width; has certain checking function and the like. Meanwhile, the method also has the function of automatically identifying information of different rows and processing the graph rotation change points.
The two-dimension code application can be divided into a read class and a main read class according to different service forms. The read type is usually applied in a way that an application party encrypts and compiles service information into a two-dimensional code image, and then sends the two-dimensional code image to a mobile terminal of a user in a short message or multimedia message way, and the user performs reading authentication on the two-dimensional code image on the mobile terminal through a special reading device arranged at a service network point when using the mobile terminal, and the two-dimensional code image is used as a certificate for transaction or identity recognition to support various applications. The main reading type is usually applied in a manner that a user installs a two-dimensional code client on a mobile terminal, and uses the mobile terminal to shoot and recognize a two-dimensional code picture containing specific information printed on media, newspaper and the like, and obtain the stored content of the two-dimensional code and trigger the mobile terminal to initiate various associated operations such as request, network connection, name card reading, telephone dialing and the like.
The invention preferably uses the main reading type two-dimensional code, and for the two-dimensional code arranged on the vending machine, the two-dimensional code is used for uniquely identifying the vending machine and also contains information such as the address of the vending machine. In order to facilitate the customer to scan the two-dimensional code, the two-dimensional code is arranged at the front side of the vending machine, which is convenient to scan. The two-dimensional code generated on the mobile terminal carried by the customer comprises the unique identity information of the customer and/or the information of the payment account.
In a preferred embodiment, to save energy, the lighting system inside the vending machine cabinet may be set to a default off state, and the lighting system may be activated for illumination only after receiving a purchase request from a customer.
The information extracting unit 302 is configured to obtain the relevant information of the customer.
The information for verifying the identity of the customer mainly comprises a user name of an app with a payment function, a real name corresponding to the user name or a user main name of a bank card, a login password, an identity card number and the like, and the information for confirming the sufficient account balance mainly comprises an account name, a payment password, an available balance and the like of a payment account such as a payment bank, a WeChat, a bank card and the like. In a preferred embodiment, when a shopping request of a customer is obtained, relevant information of the customer is obtained from the shopping request, and after shopping is finished, commodities selected by the customer at this time are stored in a customer profile associated with the customer identity information as historical shopping data, so that a unique customer profile recording shopping habits of the customer is constructed for each customer and uploaded to a server, and management of the customer information is realized.
The information sending unit 303 is configured to send the relevant information of the customer to a server.
In the present invention, the server is connected to the internet, through which a plurality of vending machines distributed at different locations can be accessed. The vending machine establishes a connection to the internet through a network communication device (e.g., fiber optic, network, power line, etc.) or a wireless communication device (e.g., Wi-Fi, bluetooth, NFC, cellular communication, etc.) to interact with the server. Since the information of the interaction relates to the sensitive payment account information such as account name, payment password, available balance and the like of the payment treasure, the WeChat, the bank card and the like, in a preferred embodiment, the information interaction adopts an encryption mode such as a symmetric key or an asymmetric key. The primary functions of the server may include: information to verify customer identity and/or information to confirm sufficient account balance; the prices of sold products in a plurality of vending machines at different places are controlled and modified in a centralized manner; a product information center as a plurality of vending machines, which comprises information of products to users or purchasing processes related to the product information; regularly checking and centrally managing the stock condition of a plurality of vending machines; and so on.
The information receiving unit 304 is configured to obtain an unlocking instruction or an instruction of rejecting unlocking, which is sent by the server based on the verification result of the relevant information of the customer.
The server firstly verifies the identity information of the customer, and if the verification fails, an instruction of refusing unlocking is directly sent to the information receiving unit 304; if the verification is passed, further confirming the balance information of the payment account; if the balance is zero or negative, or although there is a certain balance, the balance is not enough to pay the commodity sold in the vending machine with the lowest price, an instruction of refusing to unlock the lock is directly sent to the information receiving unit 304, and if the balance is sufficient, or at least sufficient to pay the commodity sold in the vending machine with the lowest price, an unlocking instruction is sent to the information receiving unit 304.
In a preferred embodiment, in the case that the customer identity information is verified and it is determined that the balance is sufficient to pay the least priced goods sold in the vending machine but less (for example, less than 100 yuan), the server further determines whether there are not yet paid goods for the customer, and if it is determined that there are not yet paid goods, returns a payment prompt message to the customer to request the customer to pay a bill for completing the unpaid goods, and after the payment is completed, confirms the balance information of the payment account, and sends an unlocking instruction to the information receiving unit 304 if the condition is satisfied.
The processing unit 305 is configured to open the smart lock according to the unlocking instruction and instruct each weight sensing device to collect the total weight of all the commodities on the shelf, instruct each weight sensing device to collect the total weight of all the commodities on the shelf again when the smart lock is detected to be closed, and instruct the RFID reader on the shelf where the total weight of all the commodities changes to count the commodities on the shelf, so as to obtain the types and the number of the commodities taken away by the customer on the shelf.
In a preferred embodiment, the processing unit 305 is further configured to enable an unlocked state of the intelligent lock to last for a certain time after the intelligent lock is opened, determine whether a container door of the vending machine is opened within a certain time, and close the intelligent lock if it is determined that the container door is not opened.
The weight sensing device is preferably a load cell, which is in effect a device that converts a mass signal into a measurable electrical signal output. The sensor is used in consideration of the actual working environment of the sensor, which is important for correctly selecting the weighing sensor, and the sensor is related to whether the sensor can work normally, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus. The weighing sensor is classified into 8 types, such as photoelectric type, hydraulic type, electromagnetic type, capacitive type, magnetic pole deformation type, vibration type, gyroscope type, and resistance strain type, according to a conversion method, and is most widely used in the resistance strain type.
Preferably, the processing unit 305 is configured to instruct the weight sensing devices disposed on each independent shelf in the vending machine to collect the total weight of all the commodities on the shelf, collect the first weighing result of each weight sensing device for storage, and open the smart lock according to the unlocking instruction after it is ensured that the weighing result of each weight sensing device is received.
The weight judging unit 306 is configured to respectively judge whether the total weight of all the commodities on each shelf changes by comparing the total weight data acquired when the intelligent lock is opened with the total weight data acquired when the intelligent lock is closed.
The settlement unit 307 is configured to aggregate the types and the amounts of the commodities taken by the customer on the shelves and pay a settlement.
The vending machine is convenient for users to freely select commodities due to the fact that the types of commodities placed in the vending machine are rich, namely, in the process of selecting the commodities, even if the commodities are taken out of the cabinet door by a customer, the commodities taken out of the cabinet door can be placed back to the goods shelf at any time before the cabinet door is closed as long as the final purchase intention is not provided. In such a complex and diverse practical application, the following situation is inevitable:
the customer wants to purchase a large number of commodities, only the commodity 1 is selected from the shelf A and the cabinet door is taken out, then the customer takes a plurality of commodities from the shelf B, C, D, E, at the moment before the container door is closed, the commodity 2 is found to be the most needed commodity on the shelf F which is not selected before, then the customer selects the commodity 2 and takes out the container door, at the moment, the commodity 1 is not needed to be purchased too much, the commodity 1 is put back to the shelf F instead of the original shelf A, and then the container door is closed to wait for settlement. Coincidentally, the weight of the articles 1 and 2 are identical, but the prices are different, and may even differ significantly.
Under the above situation, after the customer closes the cabinet door, for the F shelf, the total weight data collected when the intelligent lock is opened and the total weight data collected when the intelligent lock is closed are compared to find that the total weight of all the commodities does not change, so the RFI D reader-writer on the F shelf does not count the commodities on the RFI D reader-writer, that is, the customer is determined not to take any commodity from the F shelf. For the shelf A, the total weight data collected when the intelligent lock is opened and the total weight data collected when the intelligent lock is closed are compared to find that the total weight of all the commodities changes, so that the RFI D reader-writer on the shelf A can count the commodities on the shelf A, and the commodities 1 taken away by the customer on the shelf are obtained. In fact, the customer removes the product 2 from the vending machine instead of the product 1 that the system judges, which results in errors. If the price of item 1 is significantly higher than the price of item 2, the customer will feed back this error; conversely, the customer may not be able to feedback and find it. Further, even if the customer is prompted on the shelf to return the returned product to the original shelf in order to improve the shopping efficiency, it is difficult to avoid the above situation.
In order to find out the above settlement error in time and thus improve reliability, the system for improving the inventory speed of the vending machine according to the preferred embodiment of the present invention further includes a customer monitoring unit 308, wherein the customer monitoring unit 308 is configured to detect whether a customer is on the front side of the vending machine and send the detection result to the processing unit 305.
The processing unit 305 is further configured to receive a detection result of the customer monitoring unit 308, if the detection result indicates that no customer is located on the front side of the vending machine, instruct the RFID readers on the shelves where the total weight of all the commodities does not change to count the commodities on the shelves, compare the result with the last counting result, determine whether there is a situation where there are commodities that are missing or the categories and the quantity of the commodities are inconsistent according to the comparison result, if so, send an alarm message to the server, switch to another mode in subsequent shopping, and instruct the RFID readers on all the shelves in the vending machine to count the commodities on the shelves; and if the detection result shows that the customer is on the front surface of the vending machine, waiting for the next customer to initiate a shopping request.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. The method for improving the counting speed of the vending machine is characterized in that the vending machine internally comprises two or more independent goods shelves, each goods shelf is provided with a weight sensing device and an RFID reader-writer, each commodity in the vending machine is provided with an RFID label, and the method comprises the following steps:
step S101: receiving a shopping request of a customer, acquiring relevant information of the customer and sending the relevant information to a server;
step S102: acquiring an unlocking instruction or an unlocking refusing instruction sent by the server based on the verification result of the relevant information of the client; if the unlocking instruction is acquired, executing step S103; if the obtained command is the command of refusing to unlock, executing step S108;
step S103: opening the intelligent lock according to the unlocking instruction, and indicating each weight sensing device to collect the total weight of all commodities on the shelf;
step S104: when the intelligent lock is detected to be closed, each weight sensing device is instructed to acquire the total weight of all commodities on the shelf again;
step S105: respectively judging whether the total weight of all the commodities on each shelf changes or not by comparing the total weight data acquired when the intelligent lock is opened with the total weight data acquired when the intelligent lock is closed;
step S106: for the goods shelf with the changed total weight of all the goods, indicating the RFID reader-writer on the goods shelf to count the goods on the goods shelf, and acquiring the types and the number of the goods taken away by the customer on the goods shelf;
step S107: collecting the types and the quantity of the commodities taken away by the customers on each shelf and paying; and the number of the first and second groups,
step S108: and finishing the shopping.
2. The method for increasing the vending machine 'S inventory rate of claim 1, wherein the receiving a customer' S purchase request in step S101 includes one or more of the following:
firstly, a customer opens a portable mobile terminal, scans a two-dimensional code on the front surface of the vending machine by using an app with a payment function installed on the mobile terminal, and the vending machine receives a shopping request of the customer;
secondly, a shopping request of a customer is received by reading a two-dimensional code generated on a mobile terminal carried by the customer;
third, a customer's purchase request is received by reading magnetic stripe information on a credit or savings card carried with the customer.
3. The method for increasing the vending machine inventory speed according to claim 1 or 2, wherein the step of obtaining the information related to the customer and sending the information to the server in step S101 comprises the following steps:
step S1011: obtaining information that can be used to verify customer identity and/or confirm that account balance is sufficient;
step S1012: and sending the related information to a server through the Internet.
4. The method for increasing the vending machine inventory speed according to claim 1 or 2, wherein the step S102 of obtaining the unlocking instruction or the instruction for refusing unlocking sent by the server based on the verification result of the information related to the customer is specifically:
the server firstly verifies the identity information of the customer, and if the verification fails, an instruction of refusing unlocking is directly sent to the vending machine; if the verification is passed, further confirming the balance information of the payment account; if the balance is zero or negative, or the balance is not enough to pay the commodity sold in the vending machine with the lowest price although the balance is certain, directly sending an unlocking refusal instruction to the vending machine, and if the balance is sufficient or at least enough to pay the commodity sold in the vending machine with the lowest price, sending an unlocking instruction to the vending machine.
5. The method for increasing the vending machine inventory speed according to claim 1 or 2, wherein the step S103 of unlocking the smart lock according to the unlocking instruction and instructing each weight sensing device to collect the total weight of all the commodities on the shelf specifically comprises:
and indicating a weight sensing device arranged on each independent goods shelf in the automatic vending machine to collect the total weight of all goods on the goods shelf, collecting a first weighing result of each weight sensing device for storage, and opening the intelligent lock according to the unlocking instruction after ensuring that the weighing result of each weight sensing device is received.
6. The method for increasing the vending machine inventory speed according to claim 1 or 2, wherein the step S103 of unlocking the smart lock according to the unlocking instruction further comprises:
after the intelligent lock is opened, the unlocking state of the intelligent lock lasts for a certain time, whether a container door of the vending machine is opened within a certain time or not is judged, if the container door is not opened, the intelligent lock is closed, and step S108 is executed; if the container door is determined to be opened, the process proceeds to the next step S104.
7. The method for increasing the vending machine reel speed according to claim 1 or 2, further comprising the following step after step S108:
step S109, detecting whether a customer is on the front side of the vending machine; if so, executing step S112; if there is no customer, go to step S110;
step S110, the RFID reader-writers on the goods shelves of which the total weight of all the goods in the vending machine is unchanged are indicated to count the goods on the goods shelves, and the counting result of the last time is compared with the counting result;
step S111, judging whether the conditions of lack of commodities or inconsistent types and quantity of the commodities exist according to the comparison result, if so, sending alarm information to the server, switching to another mode in subsequent shopping, and indicating the RFID readers on all goods shelves in the automatic vending machine to count the commodities on the goods shelves;
step S112, wait for the next customer to initiate a shopping request.
8. The utility model provides an improve system of vending machine speed of checing which characterized in that, the system is used for inside vending machine that includes two or two above independent goods shelves, and every goods shelf all is provided with weight induction system and RFID read write line, all have the RFID label on every commodity in the vending machine, the system is including request receiving element, information extraction unit, information transmission unit, information receiving unit, processing unit, weight judgement unit and settlement unit, its characterized in that:
the request receiving unit is used for receiving a shopping request of a customer;
the information extraction unit is used for acquiring the relevant information of the customer;
the information sending unit is used for sending the relevant information of the customer to a server;
the information receiving unit is used for acquiring an unlocking instruction or an unlocking refusing instruction sent by the server based on the verification result of the relevant information of the client;
the processing unit is used for opening the intelligent lock according to the unlocking instruction and instructing each weight sensing device to collect the total weight of all commodities on the shelf, instructing each weight sensing device to collect the total weight of all commodities on the shelf again when the intelligent lock is detected to be closed, and instructing the RFID reader-writer on the shelf with the changed total weight of all commodities to count the commodities on the shelf so as to obtain the types and the number of the commodities taken away by the customer on the shelf;
the weight judging unit is used for respectively judging whether the total weight of all the commodities on each shelf changes or not by comparing the total weight data acquired when the intelligent lock is opened with the total weight data acquired when the intelligent lock is closed; and the number of the first and second groups,
and the settlement unit is used for summarizing the types and the quantity of the commodities taken away by the customers on the shelves and paying the settlement.
9. The system for increasing vending machine inventory speed as recited in claim 8, wherein the request receiving unit receiving a customer purchase request comprises one or a combination of:
firstly, a customer opens a portable mobile terminal, scans a two-dimensional code on the front surface of the vending machine by using an app with a payment function installed on the mobile terminal, and a request receiving unit receives a shopping request of the customer;
secondly, a shopping request of a customer is received by reading a two-dimensional code generated on a mobile terminal carried by the customer;
third, a customer's purchase request is received by reading magnetic stripe information on a credit or savings card carried with the customer.
10. The system for increasing the vending machine reel speed according to claim 8 or 9, wherein the information extraction unit is adapted to obtain information usable for verifying the identity of the customer and/or information confirming that the account balance is sufficient; the information sending unit is used for sending the related information to the server through the Internet.
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| CN110148256A (en) * | 2019-06-18 | 2019-08-20 | 富士电机（中国）有限公司 | The payment for goods settlement method of automatic vending machine and automatic vending machine |
| BR112021026281A2 (en) * | 2019-06-27 | 2022-05-31 | Carefusion 303 Inc | Safe smart container assembly, systems and methods |
| CN110517289A (en) * | 2019-08-05 | 2019-11-29 | 深兰科技（上海）有限公司 | A kind of item tracing method, apparatus, computer equipment and storage medium |
| JP2022127096A (en) * | 2021-02-19 | 2022-08-31 | トヨタ自動車株式会社 | Shelf inventory management system, shelf inventory management method, and program |
| CN115457697A (en) * | 2021-06-08 | 2022-12-09 | 合肥美的智能科技有限公司 | Anti-theft method and device for unmanned retail container, equipment and storage medium |
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| CN115796748B (en) * | 2023-02-08 | 2023-05-02 | 山东鼎信数字科技有限公司 | Store inventory method, system and device without locking warehouse and storage medium |
| CN117479111B (en) * | 2023-12-25 | 2024-03-22 | 广州鲁邦通物联网科技股份有限公司 | Wi-Fi technology-based offline automatic payment method, system and device |
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