CN109118668B - Method for preventing articles from being read in missing mode in use process of intelligent cabinet system - Google Patents
Method for preventing articles from being read in missing mode in use process of intelligent cabinet system Download PDFInfo
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- CN109118668B CN109118668B CN201810750523.6A CN201810750523A CN109118668B CN 109118668 B CN109118668 B CN 109118668B CN 201810750523 A CN201810750523 A CN 201810750523A CN 109118668 B CN109118668 B CN 109118668B
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- rfid
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/10—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property
- G07F17/12—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property comprising lockable containers, e.g. for accepting clothes to be cleaned
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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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Abstract
A method for avoiding the missed reading of articles in the use process of an intelligent cabinet system comprises the following steps: when the intelligent cabinet door is closed, reading the RFID label information on the articles in the intelligent cabinet every other preset time period; the method comprises the steps that the placement angle of a first antenna of a first RFID card reader arranged in a storage grid of the intelligent cabinet is changed, and when the first antenna changes a certain angle, RFID label information on an article in the intelligent cabinet is read; when the intelligent cabinet door is opened, the RFID type logistics door arranged on the intelligent cabinet door frame is adopted to read the RFID label information of the taken article. The method for avoiding the missing reading of the articles in the intelligent cabinet system in the use process effectively ensures that the articles in the intelligent cabinet are completely read, and provides guarantee for realizing the accurate management of the articles in the intelligent cabinet.
Description
Technical Field
The invention relates to the technical field of intelligence, in particular to a method for avoiding missing reading of articles in the using process of an intelligent cabinet system.
Background
At present, a shared intelligent cabinet refers to a crowded public place such as a shopping mall, a school, a library, a public station and the like, and is a self-service access technology which is based on a modern internet of things technology, enables articles to be deposited and picked up by different people under preset conditions without artificial interference through intelligently setting a storage cabinet, and automatically manages deposited and picked-up information and operation processes. The RFID technology is adopted to accurately manage the articles in the intelligent cabinet, and the articles in the intelligent cabinet are prevented from being read in an omission mode.
Disclosure of Invention
The invention provides a method for avoiding the missing reading of articles in the use process of an intelligent cabinet system, which effectively ensures the complete reading of the articles in the intelligent cabinet and provides guarantee for realizing the accurate management of the articles in the intelligent cabinet.
The embodiment of the invention provides a method for avoiding the missing reading of articles in the use process of an intelligent cabinet system, which comprises the following steps:
when the intelligent cabinet door is closed, reading the RFID label information on the articles in the intelligent cabinet every other preset time period;
the method comprises the steps that the placement angle of a first antenna of a first RFID card reader arranged in a storage grid of the intelligent cabinet is changed, and when the first antenna changes a certain angle, RFID label information on an article in the intelligent cabinet is read;
when the intelligent cabinet door is opened, the RFID type logistics door arranged on the intelligent cabinet door frame is adopted to read the RFID label information of the taken article.
In one embodiment, the placement angle of a first antenna of a first RFID card reader arranged in a storage compartment of an intelligent cabinet is changed, and when the first antenna is changed by a certain angle, the RFID tag information on the articles in the intelligent cabinet is read; a rotating mechanism is arranged below the first antenna to drive the first antenna to rotate, so that the placing angle of the first antenna is changed;
the rotating mechanism includes:
the platform is used for fixedly placing the first antenna;
a gear fixedly arranged on the bottom end face of the platform;
and the stepping motor is in transmission connection with the gear.
In one embodiment, the RFID-based logistics door includes:
a second RFID reader;
a second RFID antenna arranged in the door frame of the intelligent cabinet, wherein the data communication end of the second RFID antenna is connected with a second RFID reader-writer,
the shielding devices are arranged at the rear ends of the two sides of the intelligent cabinet door frame; the shielding device is a radio frequency signal shielding net;
the number of the second RFID antennas is at least four, every two second RFID antennas are paired, and the second RFID antennas are distributed in the door frame in a mirror image mode.
In one embodiment, the method for avoiding the object from being read missing during the use process of the intelligent cabinet system further comprises the following steps:
comparing the article information before opening the intelligent cabinet door with the article information after closing the intelligent cabinet door, and extracting the article information which is reduced or increased;
comparing the extracted article information with information of the articles which are read through an RFID type logistics door on an intelligent cabinet door frame;
if the comparison result shows that the extracted article information exceeds the taken article information, arranging the articles in the storage lattices through the automatic arrangement device, re-extracting the reduced or increased article information after arrangement, and comparing again;
and repeatedly extracting for three times, and if the comparison result is not changed, informing an intelligent cabinet manager or a user to check.
Wherein, finishing device includes:
the guide rail is arranged on the right side of the intelligent cabinet door frame;
the first electric cylinder is arranged on the left side of the intelligent cabinet door frame and is parallel to the guide rail;
the second electric cylinder is arranged on the motion platform of the first electric cylinder and the guide rail and can move on the guide rail and the first electric cylinder in parallel;
the telescopic cylinder is arranged on the motion platform of the second electric cylinder, and a piston rod of the telescopic cylinder faces the direction of the storage lattice;
the whole head is arranged on a piston rod of the telescopic cylinder;
the pressure sensor is arranged on the surface of the whole head;
the first controller is connected with the first electric cylinder and controls the first electric cylinder to act;
the second controller is connected with the second electric cylinder and controls the second electric cylinder to act;
the third controller is connected with the telescopic cylinder and controls the telescopic cylinder to act;
the storage device is used for storing relative position parameters of all storage lattices of the intelligent cabinet and preset pressure values;
the processor is connected with the first controller, the second controller, the third controller and the pressure sensor;
the processor controls the first electric cylinder and the second electric cylinder to convey the whole article head to the outer side of the storage lattices needing to be arranged through the first controller and the second controller according to the relative positions of the storage lattices in the memory; when the whole article head is moved to a position, the processor controls the telescopic cylinder to move through the third controller to arrange articles in the storage lattices, and when the processor detects that the pressure value is larger than a preset pressure value stored in the storage through the pressure sensor, the telescopic cylinder is controlled to reset.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a method for preventing an article from being read missing during the use of an intelligent cabinet system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rotating mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an installation position of a shielding device of an RFID logistics door according to an embodiment of the invention;
fig. 4 is a schematic diagram illustrating an antenna installation position of an RFID-based logistics door according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram of an organizing device according to an embodiment of the present invention;
fig. 6 is a schematic view of another finishing device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a method for avoiding the missing reading of articles in the use process of an intelligent cabinet system, which comprises the following steps of:
s1, when the intelligent cabinet door is closed, reading the RFID label information on the articles in the intelligent cabinet every other preset time period;
through reading article RFID label information in the intelligent cabinet many times in a certain time, the probability that once reading caused is effectively avoided being missed to read.
S2, changing the placement angle of a first antenna of a first RFID card reader arranged in a storage lattice of the intelligent cabinet, and reading the RFID label information on the articles in the intelligent cabinet after the first antenna changes a certain angle;
by changing the placing angle of the first antenna, the reading range of the first RFID card reader can better cover the space of the whole storage compartment, and the reading missing caused by the placing position of the articles in the storage compartment is avoided;
s3 when the intelligent cabinet door is opened, the RFID logistics door arranged on the intelligent cabinet door frame is used for reading the RFID label information of the taken article.
The RFID logistics door mainly reads the taken article when the article is taken, the RFID logistics door is used for reading the label information of the taken article, and the RFID logistics door is arranged on the intelligent cabinet door frame, so that the RFID label information reading range of the RFID logistics door covers the space of the taken article, and the problem that the taken article is missed to be read due to the taking position when the article is taken is avoided;
the method for avoiding the missing reading of the articles in the intelligent cabinet system in the using process effectively ensures that the articles in the intelligent cabinet are completely read, and provides guarantee for realizing the accurate management of the articles in the intelligent cabinet.
In order to enable the reading range of the first RFID card reader to be wider, and the reading missing caused by the placement position of the articles in the storage compartment is avoided; in one embodiment, the placement angle of a first antenna of a first RFID card reader arranged in a storage compartment of an intelligent cabinet is changed, and when the first antenna is changed by a certain angle, the RFID tag information on the articles in the intelligent cabinet is read; a rotating mechanism is arranged below the first antenna to drive the first antenna to rotate, so that the placing angle of the first antenna is changed;
the rotating mechanism includes: as shown in fig. 2
A platform 20 for fixedly placing a first antenna 21;
a gear 22 fixedly arranged on the bottom end face of the platform 20;
and the stepping motor 23 is in transmission connection with the gear 22.
The stepping motor is adopted to drive the gear, so that the platform on which the first antenna is placed rotates by taking the axis of the gear as a shaft, the angle of the first antenna can be changed, the reading range of the first RFID card reader can be wider, the space of the storage lattice can be comprehensively covered, and the condition that the reading is missed due to the placement position of the articles in the storage lattice is avoided.
To achieve the object of avoiding missed reading of an item when the item is taken, in one embodiment, the RFID-based logistics door comprises:
a second RFID reader;
a second RFID antenna arranged in the door frame of the intelligent cabinet, wherein the data communication end of the second RFID antenna is connected with a second RFID reader-writer,
as shown in fig. 3, the shielding device 31 is disposed at the rear end of the two sides of the intelligent cabinet door frame 32; the shielding device 31 is a radio frequency signal shielding net;
as shown in fig. 4, the second RFID antennas 33 have at least four, two pairs, and are distributed in the door frame 32 in a mirror image manner.
In order to prevent misinformation and realize smooth division between a sensing area and a non-sensing area, the shielding devices are arranged at the rear ends of the two sides of the intelligent cabinet door frame, and the adopted shielding devices are radio frequency signal shielding nets in consideration of better implementation effect. In order to fully cover the space for taking the articles and avoid dead angles, at least four second RFID antennas are adopted. And, it adopts two liang of pairwise modes, and the mirror image distributes in intelligent cabinet door frame. Therefore, the induction irradiation area can be improved, and the space for taking articles can be covered comprehensively.
In order to avoid the problem that the articles are not placed in place after the articles are taken, so that the articles are not read in an omission mode, in one embodiment, the method for avoiding the articles from being read in an omission mode in the use process of the intelligent cabinet system further comprises the following steps:
comparing the article information before opening the intelligent cabinet door with the article information after closing the intelligent cabinet door, and extracting the article information which is reduced or increased;
comparing the extracted article information with information of the articles which are read through an RFID type logistics door on an intelligent cabinet door frame;
if the comparison result shows that the extracted article information exceeds the taken article information, arranging the articles in the storage lattices through the automatic arrangement device, re-extracting the reduced or increased article information after arrangement, and comparing again;
and repeatedly extracting for three times, and if the comparison result is not changed, informing an intelligent cabinet manager or a user to check.
As shown in fig. 5 and 6, the collating device includes:
the guide rail 41 is arranged on the right side of the intelligent cabinet door frame;
the first electric cylinder 42 is arranged on the left side of the intelligent cabinet door frame and is arranged in parallel with the guide rail 41;
a second electric cylinder 43 which is arranged on the motion platform of the first electric cylinder 42 and the guide rail 41, wherein the second electric cylinder 43 can move on the guide rail 41 and the first electric cylinder 42 in parallel;
the telescopic cylinder 44 is arranged on the moving platform of the second electric cylinder 43, and a piston rod of the telescopic cylinder 44 faces the direction of the storage grid;
a finishing head disposed on a piston rod of the telescopic cylinder 44;
a pressure sensor 51 provided on the entire head surface;
a first controller 52 connected to the first electric cylinder 42 and controlling the operation of the first electric cylinder 42;
a second controller 53 connected to the second electric cylinder 43 and controlling the second electric cylinder 43 to operate;
a third controller 54 connected to the telescopic cylinder 44 to control the telescopic cylinder 44 to operate;
the memory 45 is used for storing the relative position parameters of each storage lattice of the intelligent cabinet and preset pressure values;
a processor 46 connected to the first controller 52, the second controller 53, the third controller 54, and the pressure sensor 51;
the processor 46 controls the first electric cylinder 42 and the second electric cylinder 43 to convey the whole object to the outer side of the storage compartments needing to be arranged through the first controller 52 and the second controller 53 according to the relative positions of the storage compartments in the memory 45; after the whole article head moves to a certain position, the processor 46 controls the telescopic air cylinder 44 to act through the third controller 54 to arrange articles in the storage lattices, and when the processor 46 detects that the pressure value is larger than the preset pressure value stored in the memory 45 through the pressure sensor 51, the telescopic air cylinder is controlled to reset.
The articles which are not placed in place after being taken are arranged in place through the arranging device, the problem that the articles are not read due to the fact that the articles in the intelligent cabinet are not placed in place after the articles are taken is avoided,
it will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. A method for avoiding the object from being read in an omission mode in the use process of an intelligent cabinet system is characterized by comprising the following steps:
when the intelligent cabinet door is closed, reading the RFID label information on the articles in the intelligent cabinet every other preset time period;
the method comprises the steps that the placement angle of a first antenna of a first RFID card reader arranged in a storage grid of the intelligent cabinet is changed, and when the first antenna changes a certain angle, RFID label information on an article in the intelligent cabinet is read;
when the intelligent cabinet door is opened, reading RFID label information of the taken article by adopting an RFID logistics door arranged on the intelligent cabinet door frame;
comparing the article information before opening the intelligent cabinet door with the article information after closing the intelligent cabinet door, and extracting the article information which is reduced or increased;
comparing the extracted article information with information of the articles which are read through an RFID type logistics door on an intelligent cabinet door frame;
if the comparison result shows that the extracted article information exceeds the taken article information, arranging the articles in the storage lattices through the automatic arrangement device, re-extracting the reduced or increased article information after arrangement, and comparing again;
extracting repeatedly for three times, and if the comparison result is not changed, informing the intelligent cabinet manager or the user to check;
wherein, finishing device includes:
the guide rail is arranged on the right side of the intelligent cabinet door frame;
the first electric cylinder is arranged on the left side of the intelligent cabinet door frame and is parallel to the guide rail;
the second electric cylinder is arranged on the motion platform of the first electric cylinder and the guide rail, and can move on the guide rail and the first electric cylinder in parallel;
the telescopic cylinder is arranged on the motion platform of the second electric cylinder, and a piston rod of the telescopic cylinder faces the direction of the storage lattice;
the whole head is arranged on a piston rod of the telescopic cylinder;
the pressure sensor is arranged on the surface of the whole head;
the first controller is connected with the first electric cylinder and controls the first electric cylinder to act;
the second controller is connected with the second electric cylinder and controls the second electric cylinder to act;
the third controller is connected with the telescopic cylinder and controls the telescopic cylinder to act;
the storage device is used for storing relative position parameters of all storage lattices of the intelligent cabinet and preset pressure values;
the processor is connected with the first controller, the second controller, the third controller and the pressure sensor;
the processor controls the first electric cylinder and the second electric cylinder to convey the whole head to the outer side of the storage lattices needing to be arranged through the first controller and the second controller according to the relative positions of the storage lattices in the memory; when the whole object head moves to a position, the processor controls the telescopic air cylinder to move through the third controller to arrange the objects in the storage lattices, and when the processor detects that the pressure value is larger than a preset pressure value stored in the storage through the pressure sensor, the third controller controls the telescopic air cylinder to reset.
2. The method for avoiding the missed reading of the articles during the use of the intelligent cabinet system according to claim 1, wherein the placement angle of the first antenna of the first RFID reader arranged in the storage compartment of the intelligent cabinet is changed, and the RFID tag information on the articles in the intelligent cabinet is read after the first antenna is changed by a certain angle; a rotating mechanism is arranged below the first antenna to drive the first antenna to rotate, so that the placing angle of the first antenna is changed;
the rotating mechanism includes:
the platform is used for fixedly placing the first antenna;
a gear fixedly arranged on the bottom end face of the platform;
and the stepping motor is in transmission connection with the gear.
3. The intelligent cabinet system as claimed in claim 1, wherein the RFID-based logistics door comprises:
a second RFID reader;
a second RFID antenna arranged in the door frame of the intelligent cabinet, wherein the data communication end of the second RFID antenna is connected with a second RFID reader-writer,
the shielding devices are arranged at the rear ends of the two sides of the intelligent cabinet door frame; the shielding device is a radio frequency signal shielding net;
the number of the second RFID antennas is at least four, every two second RFID antennas are paired, and the second RFID antennas are distributed in the door frame in a mirror image mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750523.6A CN109118668B (en) | 2018-07-10 | 2018-07-10 | Method for preventing articles from being read in missing mode in use process of intelligent cabinet system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810750523.6A CN109118668B (en) | 2018-07-10 | 2018-07-10 | Method for preventing articles from being read in missing mode in use process of intelligent cabinet system |
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| CN109118668A CN109118668A (en) | 2019-01-01 |
| CN109118668B true CN109118668B (en) | 2021-04-13 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104364801A (en) * | 2012-09-06 | 2015-02-18 | 夏普株式会社 | RFID reading device, and information reading method using same |
| CN105006073A (en) * | 2015-07-03 | 2015-10-28 | 霍智勇 | Intelligent item management cabinet and item receiving management system |
| CN107067578A (en) * | 2017-05-02 | 2017-08-18 | 北京融安汇智科技有限公司 | One kind supports collateral security and preserves system |
| CN107618866A (en) * | 2017-09-08 | 2018-01-23 | 孟凡星 | A kind of logistic storage fast access to the device |
| CN107909738A (en) * | 2017-12-26 | 2018-04-13 | 福建骏鹏易丰商用设备有限公司 | Shared cubby |
| CN108021960A (en) * | 2017-12-16 | 2018-05-11 | 邱诗俊 | One kind is taken photo by plane formula book bidding system |
| CN207529481U (en) * | 2017-12-14 | 2018-06-22 | 上海诣泰物联科技有限公司 | A kind of cargo scanning cabinet based on RFID technique |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9396425B1 (en) * | 2015-01-26 | 2016-07-19 | Tyco Fire & Security Gmbh | Systems and methods for locating objects using RFID technology and alerting mechanisms |
| CN206773734U (en) * | 2017-05-11 | 2017-12-19 | 山东理工大学 | A kind of certificate banding machine |
| CN207517042U (en) * | 2017-11-08 | 2018-06-19 | 绥化学院 | Food rapid sorting device based on RFID technique |
-
2018
- 2018-07-10 CN CN201810750523.6A patent/CN109118668B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104364801A (en) * | 2012-09-06 | 2015-02-18 | 夏普株式会社 | RFID reading device, and information reading method using same |
| CN105006073A (en) * | 2015-07-03 | 2015-10-28 | 霍智勇 | Intelligent item management cabinet and item receiving management system |
| CN107067578A (en) * | 2017-05-02 | 2017-08-18 | 北京融安汇智科技有限公司 | One kind supports collateral security and preserves system |
| CN107618866A (en) * | 2017-09-08 | 2018-01-23 | 孟凡星 | A kind of logistic storage fast access to the device |
| CN207529481U (en) * | 2017-12-14 | 2018-06-22 | 上海诣泰物联科技有限公司 | A kind of cargo scanning cabinet based on RFID technique |
| CN108021960A (en) * | 2017-12-16 | 2018-05-11 | 邱诗俊 | One kind is taken photo by plane formula book bidding system |
| CN107909738A (en) * | 2017-12-26 | 2018-04-13 | 福建骏鹏易丰商用设备有限公司 | Shared cubby |
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