CN110310418B - Unmanned multi-cargo-channel detection method based on multi-frequency ultrasonic waves - Google Patents
Unmanned multi-cargo-channel detection method based on multi-frequency ultrasonic waves Download PDFInfo
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- CN110310418B CN110310418B CN201810230929.1A CN201810230929A CN110310418B CN 110310418 B CN110310418 B CN 110310418B CN 201810230929 A CN201810230929 A CN 201810230929A CN 110310418 B CN110310418 B CN 110310418B
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- goods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/08—Design features of general application for actuating the drive
- G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
- G06M1/108—Design features of general application for actuating the drive by electric or magnetic means by electronic means
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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
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
- G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
Abstract
The invention discloses an unmanned multi-channel detection method based on multi-frequency ultrasonic waves, which is applied to an unmanned multi-channel and comprises a first counter module, a second counter module and a supply module; the quantity of the goods taken away is determined by counting twice the quantity of the goods taken away in the goods channel, the triggering counting is carried out by a triggering switch for the first time, the second counter measures the moving distance of the goods channel by using ultrasonic waves, and the quantity of the taken away goods is calculated, so that the quantity of the taken away goods is accurately recorded when the goods are taken away, and finally the quantity of the taken away goods is summarized to a settlement system for accurate settlement; ultrasonic receiving and transmitting components generating different frequencies are adopted, so that ultrasonic waves among all goods channels with the commodities sold for sale are not interfered with each other when the commodities are taken away at the same time; therefore, the method can quickly and accurately count the number of the commodities taken by the customer, and has obvious advantages.
Description
Technical Field
The invention belongs to the field of unmanned goods selling, and particularly relates to an unmanned multi-channel detection method based on multi-frequency ultrasonic waves.
Background
With the continuous improvement of the urbanization level of China, ordinary convenience stores cannot completely meet the work and rest arrangement of people on shopping time, and although 24-hour convenience stores appear in the lives of people, the distribution of 24 small convenience stores cannot completely meet the requirements of people on the cost; the self-service supermarket is as a result, a general self-service supermarket stamps labels on goods, and the settlement is unified when the settlement is carried out, but errors and identification errors are often caused in the final statistics, or the labels are replaced, and expensive goods are taken away by the low-price labels; the traditional shelf is only used for placing goods, has no function of counting the taken goods, and needs to find a method for solving the problem in order to start counting the quantity of the goods taken by a customer when the customer takes the goods.
Disclosure of Invention
In view of the above, there is a need to overcome at least one of the above-mentioned drawbacks in the prior art, and the present invention provides an unmanned multi-lane detection method based on multi-frequency ultrasonic waves, which can effectively solve the related problems, and is applied to an unmanned multi-lane, including a first counter module, a second counter module, and a supply module, and is characterized by comprising the following steps: step 1, after the identification module identifies, activating an activation switch on a goods supply module, and initializing each goods channel; step 2, the second counter modules on each goods way transmit and receive ultrasonic waves with different frequencies to measure the distance L0 between the follower as an original distance L; step 3, after the goods are taken from the goods taking port, the first counter module at the goods taken position counts, and the follower on the goods supply module pushes the goods for sale forward under the driving of the driving assembly to fill the goods taking port; step 4, after the goods move, the second counter module measures the distance L1 between the goods and the follower, the original distance L is subtracted from the distance L1 to be the moving distance of the follower, the moving distance is divided by the width of one sold goods in the goods channel to obtain the number of the goods to be taken, and at the moment, the value of L1 is assigned to the original distance L; when the goods are taken away from a plurality of goods channels at the same time, the second counter module transmits and receives ultrasonic waves with different frequencies for measurement; step 5, taking out the commodities before no new identity is identified through the identity identification module, and repeating the step 4; and 6, detecting that the identity identified by the identity identification module logs in other machines or enters a payment system, transmitting the counts acquired by the first counter module and the second counter module to the data statistics module, and taking the maximum value of the two values as the number of the commodities to be paid by the data statistics module.
According to the background art, the traditional goods shelf only has the function of placing goods and does not have the function of counting the taken goods; the invention discloses an unmanned multi-channel detection method based on multi-frequency ultrasonic waves, which determines the quantity of goods taken away by counting the quantity of the taken goods in a channel twice, the first time is triggered and counted by a trigger switch, a second counter measures the moving distance of the channel by using the ultrasonic waves and calculates the quantity of the taken goods, thereby ensuring that the quantity of the taken goods is accurately recorded when the goods are taken away, and finally, the quantity is summarized to a settlement system for accurate settlement.
In addition, the unmanned multi-cargo channel detection method based on the multi-frequency ultrasonic wave disclosed by the invention also has the following additional technical characteristics:
further, the first counter module comprises a pedal and a trigger switch; the second counter module comprises an ultrasonic receiving and transmitting component; the supply module comprises a supply groove body, an activation switch and a follower; the supply trough bodies are provided with N (N is more than or equal to 2) and are arranged in parallel, and each trough body comprises a first counter module and a second counter module; each first counter module is positioned at one end of the goods taking port of each supply groove body, and each second counter module is positioned at the other end opposite to the goods taking port of each supply groove body.
Further, supply the cell body and include that goods way, side keep off the part and the commodity of waiting to sell place the district, the goods way includes the roller, the roller is for being located goods way bottom align to grid's cylindrical roller bearing structure.
Furthermore, the ultrasonic wave transmitted by the ultrasonic wave transceiving component is reflected by the follower and then received by the ultrasonic wave transceiving component.
Further, the trigger switch is a mechanical switch or a photosensitive induction switch.
Further, the follower is of a mirror image L-shaped structure or an inverted T-shaped structure, and comprises a driving assembly and a roller, wherein the driving assembly comprises a driving motor or a rigid spring.
Further, the first counter module and the second counter module are controlled by an integrated circuit with a single chip microcomputer.
Further, the integrated circuit comprises a data statistics module, and the data statistics module transmits the data after statistics to the commodity settlement system through calculation.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of the operation of an ultrasonic based unmanned multi-lane device;
FIG. 2 is a top view of the structure of the unmanned multi-lane;
FIG. 3 is a side view of the structure of the unmanned multi-lane;
FIG. 4 is a schematic view of the structure of the pedal and trigger switch;
FIG. 5 is a schematic diagram of a follower configuration.
In the figure, 1 is an identification module, 2 is a goods supply module, 3 is a first counter module, 4 is a second counter module, 401 is an ultrasonic transceiver module, 5 is a data statistics module, 201 is a commodity placing area for sale, 2011 is a goods taking port, 202 is a goods supply groove body, 203 is a side blocking part, 204 is a follower, 2041 is a driving assembly, 2042 is a driving assembly fixing shaft 1, 2043 is a driving assembly fixing shaft 2, 2044 is a wheel shaft, 205 is a roller, 206 is a first counter module, 2061 is a pedal, and 2062 is a trigger switch.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "coupled," "communicating," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly connected, integrally connected, or detachably connected; may be communication within two elements; can be directly connected or indirectly connected through an intermediate medium; "mating" may be a surface-to-surface mating, a point-to-surface or line-to-surface mating, and also includes a hole axis mating, and it is obvious to those skilled in the art that the above terms have specific meanings in the present invention.
The invention has the following conception that the quantity of the taken goods is determined by counting and counting the quantity of the taken goods in the goods channel twice, the quantity of the taken goods is determined by triggering and counting through a trigger switch for the first time, the second counter measures the moving distance of the goods channel by using ultrasonic waves and calculates the quantity of the taken goods, so that the quantity of the taken goods is accurately recorded when the goods are taken, and finally the quantity of the taken goods is summarized to a settlement system for accurate settlement; therefore, the method can quickly and accurately count the number of the commodities taken by the customer, and has obvious advantages.
An unmanned multi-cargo channel detection method based on multi-frequency ultrasonic waves according to the present invention will be described with reference to the accompanying drawings, in which fig. 1 is a schematic diagram of an operation of the unmanned multi-cargo channel detection method based on multi-frequency ultrasonic waves; FIG. 2 is a top view of the structure of the unmanned multi-lane; FIG. 3 is a side view of the structure of the unmanned multi-lane; FIG. 4 is a schematic view of the structure of the pedal and trigger switch; FIG. 5 is a schematic diagram of a follower configuration.
After being identified by the identity module 1, the activation switch on the supply module 2 is activated, after the goods at the goods taking port are taken out, before the taken goods are completely separated from the unmanned multi-goods channel, the pedal 2061 under the taken goods is bounced, the trigger switch 2062 is bounced, the first counter module 3 counts once, the follower 204 on the supply module 2 pushes the sold goods forward under the driving of the driving assembly 2041 to fill the goods taking port 2011, the pedal 2061 is pressed down, and the trigger switch 2062 is restored; when the follower 204 moves forward, triggering the second counter module 4 to be powered on, when the follower 204 stops moving, the ultrasonic transceiver module 401 of the second counter module 4 transmits and receives ultrasonic waves, and measuring the distance L1 between the follower 204 and the ultrasonic transceiver module 401; subtracting the moving distance of the follower 204 from the original distance L0 from L1, and dividing the moving distance by the width of each product to obtain the number of the picked goods; note that the ultrasonic frequency emitted by the ultrasonic transceiver module 401 in each cargo channel is different, so that two groups of ultrasonic waves do not interfere with each other even if two cargo channels are taken away at the same time; the first counter module 3 and the corresponding count obtained by the second counter module 4 are transmitted to the data statistics module 5, and the data statistics module 5 takes the maximum value of the two values as the number of the taken commodities; and the data statistics module 5 is used for transmitting the data on all the goods channels to a commodity settlement system after performing statistics.
In addition, the unmanned multi-cargo channel detection method based on the multi-frequency ultrasonic wave disclosed by the invention also has the following additional technical characteristics:
according to some embodiments of the invention, the first counter module comprises a pedal and a trigger switch; the second counter module comprises an ultrasonic receiving and transmitting component; the supply module comprises a supply groove body, an activation switch and a follower; the supply trough bodies are provided with N (N is more than or equal to 2) and are arranged in parallel, and each trough body comprises a first counter module and a second counter module; each first counter module is positioned at one end of the goods taking port of each supply groove body, and each second counter module is positioned at the other end opposite to the goods taking port of each supply groove body.
According to one embodiment of the invention, after identification, the face of the customer is scanned, whether the customer has selected a good commodity is judged to leave, if the face information of the customer cannot be captured, the goods-to-device is locked, and the counting statistical system of the unmanned multiple goods channels is closed; or a selected confirmation piece is arranged, after the identity is identified, the customer selects the commodity, after a confirmation key is pressed, the commodity-to-commodity device is locked, and the counting statistical system of the unmanned multi-commodity channel is closed.
According to some embodiments of the invention, the first counter module comprises a pedal and a trigger switch; the second counter module comprises an ultrasonic receiving and transmitting component; the supply module comprises a supply groove body, an activation switch and a follower; the first counter module is positioned at one end of the goods taking port of the goods supplying groove body, and the second counter module is positioned at the other end, opposite to the goods taking port, of the goods supplying groove body.
According to some embodiments of the present invention, the supply trough body includes a goods channel, a side blocking member and a goods placing area for sale, the goods channel includes rollers, the rollers are cylindrical roller structures uniformly arranged at the bottom of the goods channel, and the rollers can reduce friction force of forward movement of goods in the goods channel.
According to some embodiments of the invention, the ultrasonic wave transmitted by the ultrasonic transceiver component is reflected by the follower and then received by the ultrasonic transceiver component.
According to some embodiments of the invention, the trigger switch is a mechanical switch or a light sensitive switch.
According to some embodiments of the invention, the follower is a mirror image "L" shaped structure or an inverted "T" shaped structure, the follower comprising a drive assembly including a drive motor or a stiff spring and a roller.
According to some embodiments of the invention, the first counter module and the second counter module are controlled by an integrated circuit with a single-chip microcomputer.
According to some embodiments of the invention, the integrated circuit comprises a data statistics module, which transmits the data after calculating statistics to a commodity settlement system.
Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. This schematic representation in various places throughout this specification does not necessarily refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
While specific embodiments of the invention have been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. In particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention. Except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (6)
1. A multi-frequency ultrasonic-based unmanned multi-cargo channel detection method is applied to an unmanned multi-cargo channel and comprises a first counter module, a second counter module and a supply module, wherein the first counter module comprises a pedal and a trigger switch; the second counter module comprises an ultrasonic receiving and transmitting component; the supply module comprises a supply groove body, an activation switch and a follower; the supply trough bodies are provided with N (N is more than or equal to 2) and are arranged in parallel, and each trough body comprises a first counter module and a second counter module; each first counter module is positioned at one end of the goods taking port of each supply groove body, and each second counter module is positioned at the other end opposite to the goods taking port of each supply groove body;
the method is characterized by comprising the following steps:
step 1, after the identification module identifies, activating an activation switch on a goods supply module, and initializing each goods channel;
step 2, the second counter modules on each goods way transmit and receive ultrasonic waves with different frequencies to measure the distance L0 between the follower as an original distance L;
step 3, after the goods are taken by the goods taking port, the first counter module at the goods taken position counts, the follower on the goods supplying module pushes the goods for sale forward under the driving of the driving assembly to fill the goods taking port, further, after the goods at the goods taking port are taken out, the goods for sale are pushed forward under the driving of the driving assembly to fill the goods taking port, the follower on the goods supplying module pushes the goods for sale forward under the driving of the driving assembly to fill the goods taking port, and the trigger switch restores before the goods for sale are completely separated from the unmanned multi-goods channel;
step 4, after the commodity moves, the second counter module measures a distance L1 between the follower and the follower, the original distance L is subtracted from the L1 to be the moving distance of the follower, the moving distance is divided by the width of one commodity sold on a commodity channel, the number of the taken commodities is obtained, the value of L1 is assigned to the original distance L, further, when the follower moves forwards, the second counter module is triggered to be powered on to work, when the follower stops moving, an ultrasonic transceiving component of the second counter module transmits and receives ultrasonic waves, and the distance L1 between the follower and the ultrasonic transceiving component of the second counter module is measured; subtracting the original distance L0 from L1 to obtain the moving distance of the follower, and dividing the moving distance by the width of each product to obtain the number of the picked goods;
when the goods are taken away from a plurality of goods channels at the same time, the second counter module transmits and receives ultrasonic waves with different frequencies for measurement;
step 5, taking out the commodities before no new identity is identified through the identity identification module, and repeating the step 4;
step 6, detecting that the identity identified by the identity identification module logs in other machines or enters a payment system, transmitting the counts obtained by the first counter module and the second counter module to the data statistics module, and taking the maximum value of the two values as the number of the commodities to be paid by the data statistics module;
the follower is of a mirror-image L-shaped structure or an inverted T-shaped structure and comprises a driving assembly and a roller, and the driving assembly comprises a driving motor or a rigid spring.
2. The unmanned multi-channel detection method based on multi-frequency ultrasonic waves of claim 1, wherein the supply trough body comprises a channel, a side baffle component and a commodity placing area for sale, the channel comprises rollers, and the rollers are cylindrical roller structures uniformly arranged at the bottom of the channel.
3. The method of claim 1, wherein the ultrasonic wave emitted from the ultrasonic transceiver module is reflected by the follower and then received by the ultrasonic transceiver module.
4. The method of claim 1, wherein the trigger switch is a mechanical switch or a light-sensitive switch.
5. The method as claimed in claim 1, wherein the first counter module and the second counter module are controlled by an integrated circuit with a single chip.
6. The method of claim 5, wherein the IC comprises a data statistics module, and the data statistics module calculates statistical data and transmits the statistical data to a commodity settlement system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810230929.1A CN110310418B (en) | 2018-03-20 | 2018-03-20 | Unmanned multi-cargo-channel detection method based on multi-frequency ultrasonic waves |
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| CN201810230929.1A CN110310418B (en) | 2018-03-20 | 2018-03-20 | Unmanned multi-cargo-channel detection method based on multi-frequency ultrasonic waves |
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| CN110310418B true CN110310418B (en) | 2021-09-28 |
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| CN110865378A (en) * | 2019-11-08 | 2020-03-06 | 广州赛特智能科技有限公司 | Anti-crosstalk ultrasonic distance measuring device, system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305178A (en) * | 2000-10-08 | 2001-07-25 | 太原理工天成科技股份有限公司 | Automatic separator of newspaper and magazine |
| CN107016786A (en) * | 2017-03-24 | 2017-08-04 | 深圳福禄家科技发展有限公司 | Automatic vending machine |
| CN206451288U (en) * | 2017-02-15 | 2017-08-29 | 天津市中信互联科技有限公司 | A kind of vending machine warehousing mechanism |
| CN206961224U (en) * | 2017-05-10 | 2018-02-02 | 文彬 | A kind of opening door vending machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3815886B2 (en) * | 1998-07-02 | 2006-08-30 | 株式会社クボタ | Counter setting device by price for vending machines |
| US7255246B2 (en) * | 2002-10-04 | 2007-08-14 | Dixie-Narco, Inc. | Ultrasonic sensor for detecting the dispensing of a product |
| CN2645143Y (en) * | 2003-08-08 | 2004-09-29 | 谭永辉 | Modified coin-feed vending machine |
| US20100318440A1 (en) * | 2010-03-18 | 2010-12-16 | Coveley Michael Ej | Cashierless, Hygienic, Automated, Computerized, Programmed Shopping Store, Storeroom And Supply Pipeline With Administration Cataloguing To Eliminate Retail Fraud; With Innovative Components For Use Therein |
| CN103350851B (en) * | 2013-07-24 | 2016-05-18 | 苏州沃伦韦尔高新技术股份有限公司 | A kind of gasbag-type medicine outlet device |
| CN103544776A (en) * | 2013-10-25 | 2014-01-29 | 上海煦荣信息技术有限公司 | Vending system and vending terminals |
| JP6217418B2 (en) * | 2014-01-31 | 2017-10-25 | 富士電機株式会社 | Product storage device |
| CN205621133U (en) * | 2016-03-14 | 2016-10-05 | 广州市快易点智能科技有限公司 | Automatic induction system of vending machine |
| CN206451290U (en) * | 2017-02-15 | 2017-08-29 | 天津市中信互联科技有限公司 | A kind of vending machine cargo path |
-
2018
- 2018-03-20 CN CN201810230929.1A patent/CN110310418B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305178A (en) * | 2000-10-08 | 2001-07-25 | 太原理工天成科技股份有限公司 | Automatic separator of newspaper and magazine |
| CN206451288U (en) * | 2017-02-15 | 2017-08-29 | 天津市中信互联科技有限公司 | A kind of vending machine warehousing mechanism |
| CN107016786A (en) * | 2017-03-24 | 2017-08-04 | 深圳福禄家科技发展有限公司 | Automatic vending machine |
| CN206961224U (en) * | 2017-05-10 | 2018-02-02 | 文彬 | A kind of opening door vending machine |
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