CN207440893U - A kind of intelligent cabinet based on RSSI - Google Patents
A kind of intelligent cabinet based on RSSI Download PDFInfo
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- CN207440893U CN207440893U CN201721425102.3U CN201721425102U CN207440893U CN 207440893 U CN207440893 U CN 207440893U CN 201721425102 U CN201721425102 U CN 201721425102U CN 207440893 U CN207440893 U CN 207440893U
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- cabinet
- commodity
- label tag
- rfid
- rssi
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Abstract
The utility model embodiment discloses a kind of intelligent cabinet based on RSSI, and the switch of master control system control cabinet door simultaneously receives and handle the information of RFID reader；Cabinet includes cabinet and cabinet door, and supporting plate is provided in cabinet；RFID reader is electrically connected with master control system, and RFID reader reads the ID and RSSI value of each RFID label tag；RFID label tag is mounted on supporting plate, and the ID of RFID label tag and merchandise news are uniquely corresponding, and the correspondence between the ID and merchandise news of RFID label tag is by server controls；Server is connected with master control system, server is used to receive user's purchase instruction and user information is sent to master control system, server receives master control system information and completes charging, server sends purchase information and payment information to user, the utility model changes to judge the position relationship of commodity and label so as to judge the information of purchased commodity by the RSSI value of RFID reader reading RFID label tag, RFID label tag need not be pasted on each commodity, it is cost-effective.
Description
Technical field
The utility model is related to intelligent cabinet field, more particularly to a kind of intelligent cabinet based on RSSI.
Background technology
Received signal strength indicator (Received Signal Strength Indication) RSSI value represents RFID
The size of label return signal intensity.Judge the distance of tag distances reader inside industry using RSSI value at present.It receives
The RSSI value arrived is bigger, shows that the stronger tag distances reader of signal is nearer, and the smaller expression weaker distance of signal is more remote.
The ultrahigh-frequency tag RSSI value of RFID can because between label and reader there are changing during thingness, such as liquid
The absorption of change and signal to signal frequency point can cause to be pasted onto on liquid container or decline close to the label RSSI value of liquid
Even to zero, cause label None- identified, the metal medium close to label absorbs radio frequency because of the spontaneous vortex of metal inside generation
Energy reduces the gross energy of original radio field intensity, and the vortex of generation also generates the induced field of itself, formed to former magnetic field
Hinder effect so that energy of electromagnetic field that label antenna can not obtain and can not work, RSSI is almost zero to make label can not at this time
It reads.
Traditional automatic vending function pays the machine of goods according to the coin of input automatically.Vending Machine is business automation
Commonly used equipment, it can save manpower, facilitate transaction from time, the limitation in place.It is a kind of brand-new retailing shape
Formula, the micro supermarket for the 24 HOUR ACCESS that is otherwise known as.Domestic common Vending Machine is divided into four kinds at present：Beverage automatic selling
Cargo aircraft, food automatic vending machine, comprehensive automation vending machine, cosmetics Vending Machine.Existing Vending Machine is most of all
It is enclosed show window, customer can only see the commodity of sample or picture exhibition before the free choice of goods by watch window
Picture can not intuitively select commodity, and replacement can not be changed after commodity are taken.Chinese patent Authorization Notice No.
CN204965590U (Granted publication 2016.01.13) discloses a kind of self-selecting type intelligent vending machine, its principle is to pass through
RFID reader take cargo away to customer before counter in the RFID label tags of all commodity be read out respectively, twi-read
As a result price difference takes the value of cargo away for customer.The program has a shortcoming：Patch RFID label tag is required on each cargo, it can not
The label for being attached to liquid container or mental package object is carried out stablizing reading, it is excessively high for low-cost commodity use cost.
Utility model content
In view of this, the utility model embodiment provides a kind of intelligent cabinet based on RSSI, is directly obtained by RSSI
The information of purchased commodity is taken, it is cost-effective without pasting RFID label tag on each commodity.
The utility model embodiment discloses a kind of intelligent cabinet based on RSSI, including：
Master control system, the switch of the master control system control cabinet door simultaneously receive and handle the information of RFID reader；
Cabinet including cabinet and cabinet door, installs electric lock, multilayer supporting plate is provided in cabinet in cabinet door；
RFID reader, the RFID reader are electrically connected with master control system, and the RFID reader reads each RFID
The ID and RSSI value of label；
RFID label tag, the RFID label tag are mounted on supporting plate, the ID of RFID label tag and merchandise news uniquely corresponding,
Correspondence between the ID and merchandise news of RFID label tag is by server controls；
Server, server are connected with master control system, and server is used to receive user's purchase instruction and sends out user information
It send to master control system, server receives master control system information and completes charging, and server sends purchase information and payment to user
Information.
Intelligent cabinet based on RSSI disclosed in the utility model embodiment, by installing RFID reader in cabinet sidewalls,
RFID label tag is fixed on the supporting plate in cabinet, each RFID label tag corresponds to a commodity, and RFID reader excessively marks RFID
It signs and issues and penetrates radiofrequency signal, since water and metal have radiofrequency signal a strong impact effect, and Vending Machine portion big absolutely at present
The commodity divided are beverage or mental package, if commodity are purchased, what RFID reader received emits wirelessly from RFID label tag
Whether signal RSSI values then change dramatically, the variation according to RSSI value of the utility model embodiment creativeness judge commodity
It is purchased rather than in the prior art by directly reading the RFID label tag pasted on each commodity, realizes RFID label tag
It recycles, it is cost-effective.
Description of the drawings
Fig. 1 is intelligent cabinet schematic diagram of the utility model embodiment based on RSSI.
Fig. 2 is that intelligent cabinet of the utility model embodiment based on RSSI removes partial schematic diagram after cabinet door.
Fig. 3 is the utility model embodiment commodity propeller schematic diagram.
Fig. 4 is another schematic diagram of the utility model embodiment commodity propeller.
Fig. 5 is the Organization Chart of intelligent cabinet of the utility model embodiment based on RSSI.
Fig. 6 is the utility model embodiment vending method flow chart.
Fig. 7 subscribes merchandise control method flow diagram for the utility model embodiment.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the reality of the utility model part of the embodiment rather than whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the utility model embodiment discloses a kind of intelligent cabinet based on RSSI, including：
A kind of intelligent cabinet based on RSSI, including：
Master control system 1, the master control system 1 control the 2 of cabinet door to switch and receive and handle the information of RFID reader 3；
Cabinet including cabinet 4 and cabinet door 2, installs electric lock, multilayer supporting plate 5 is provided in cabinet 4 in cabinet door 2；
RFID reader 3, the RFID reader 3 are electrically connected with master control system 1, and the RFID readers 3 read each
The ID and RSSI value of RFID label tag；
RFID label tag, the RFID label tag are mounted on supporting plate 5, the ID of RFID label tag and merchandise news uniquely corresponding,
Correspondence between the ID and merchandise news of RFID label tag is by server controls；RFID label tag has multiple, each RFID label tag
A corresponding commodity, RFID label tag can be combined, and e.g., multiple RFID label tags represent the commodity of a classification, but every
A RFID label tag corresponds to some commodity in the category commodity.
Server, server are connected with master control system 1, and server is used to receive user's purchase instruction and sends out user information
It send to master control system 1, server receives master control system information and completes charging, and server sends purchase information and payment to user
Information.
The variation of the RSSI value according to RFID label tag of the utility model embodiment creativeness judges the RFID label tag pair
Whether the commodity answered are purchased, and therefore, each commodity need not distinguish attaching rfid tag, cost-effective.
User can establish member profile, user information is with member profile by wechat, QQ, Alipay register account number
Form typing server, server be responsible for verify the user membership (i.e. verify the user whether be necessary being note
Volume account), and then judge whether it has enabling picking or the right of shopping, it then will determine that result is transmitted to master control system 1.Such as
Fruit member user's identity is true, and master control system 1 controls the opening of cabinet door 2.
In one embodiment of the utility model, master control system by wireless network (such as：The whole network leads to 4G, WIFI) or have
The communication mode of gauze network (such as RG45) communicates with server.
In one embodiment of the utility model, master control system is industrial personal computer, and master control system 1 is mounted on the top of cabinet.
In one embodiment of the utility model, the cabinet 4 is included from constituency A, described to be used for self-service purchase business from constituency A
Product install the pallet 10 of multiple placement commodity on supporting plate 5, commodity propeller are installed on the pallet 10.
As shown in Figure 1 to 4, the commodity propeller includes wind spring 92 and push plate 91, and the RFID labels 11 are mounted on
Between pallet 10 and wind spring 92.
The material of wind spring is metal, and metal can greatly disturb RSSI value.After commodity are removed, wind spring shortens, wind spring
The RFID label tag of covering will be exposed, and the RSSI value variation of the RFID label tag is huge, represents the corresponding commodity quilt of the RFID label tag
It takes out.The present embodiment simple and ingenious structure, facilitates that user does shopping and what can be prepared judge whether commodity are removed.
The cabinet includes at least one subscribe and delivers area B, and described subscribe delivers the commodity that area B is used to store Pre purchase,
RFID label tag and the merchandise news of Pre purchase commodity are uniquely corresponding, and each subscribe delivers area's one cabinet door of correspondence.
In one embodiment of the utility model, Position Scale (being not drawn into figure), Position Scale are provided on the pallet
It is parallel with the direction of propulsion of commodity propeller.The Position Scale plays the role of instructing RFID label tag placement location.RFID is marked
The placement of label sells goods that size is related to plan, and commodity are placed on the surface of RFID label tag.
In the utility model embodiment, the material of the pallet 10 and supporting plate 5 is nonmetallic.RFID readers are sent out
The radiofrequency signal penetrated is subject to the influence of fading of water and metal medium very big.The material selection of pallet 10 and supporting plate 5 is nonmetallic, subtracts
Few influence of the material to the RSSI value of RFID label tag.
The RFID label tag is the ultrahigh frequency electronic tag that frequency is 840-910M.
In one embodiment, the space of cabinet is cuboid, and cabinet is equipped with the supporting plate of multilayer, is placed on each supporting plate more
A commodity, therefore, in order to ensure reading the RSSI value of all RFID label tags, according to cabinet door quantity (the cabinet door quantity of cabinet
Represent the capacity of cabinet) determine the quantity of RFID reader and position.
In one embodiment of the utility model, cabinet is equipped with multiple cabinet doors 2, and 4 inner wall of cabinet installs multiple connections respectively
The antenna of RFID reader, for reading the ID of cabinet inner label and its RSSI value.
In one embodiment of the utility model.When cabinet door is glass door, glass door is electric heating glass door.Electrical heating glass
Glass door can heat glass, disperse the fog on glass, and user is facilitated to check the commodity in intelligent cabinet.
The utility model embodiment further includes UPS continuation of the journey power supplys, UPS continuation of the journey power supply and cabinet, master control system and
RFID reader connects.When external power supply powers off, UPS continuation of the journey power supplys can provide the energy of work half a day for intelligent cabinet.
The utility model cabinet is equipped with multiple lamps, and lamp includes status lamp 7 and cabinet door lamp 8, and status lamp 7 is used to show intelligence
The state of energy cabinet, when status lamp 7 is green light, the state of intelligent cabinet is correct status.Cabinet door lamp 8 is used to show the electric lock of cabinet door
Whether open, when cabinet door lamp is bright, electric lock is opened.Lamp shares 3 in Fig. 1.
Master control system interval sends a heartbeat in 1 minute to server, if heartbeat is interrupted, networks again.If 5 points
It is not completed within clock and continues to send heartbeat, then intelligent cabinet is controlled to restart.
A kind of vending method is also disclosed in the utility model embodiment, as shown in fig. 6, this method includes：
Step S100：It receives the purchase instruction of commodity in user's purchase intelligent cabinet and the purchase instruction by user and user believes
Breath is sent to master control system, and master control system opens electric lock releasing gate inhibition after verifying user identity；
Step S101：After user opens cabinet door, electric lock keeps released state；
Step S102：After user closes cabinet door, master control system is sent to electric lock shuts instruction, after electric lock is closed, control
RFID reader processed reads RFID label tag ID all in cabinet and RSSI value；
Step S103：To the RSSI value of the RFID label tag of reading and RSSI value of the RFID label tag before cabinet door is opened
It is compared, according to the comparative result of two RSSI values, judges whether the corresponding commodity of the RFID label tag are purchased；
Step S104：All purchased commodity are formed into sequence information and complete to pay, by sequence information and disbursement letter
Breath is sent to user.
In step S100, user enters website and the selection that intelligent cabinet is networked by wechat or Alipay, into after website,
User selects to open the door, and user information and door open command are sent to server by website backstage, server authentication user information, if with
Family information is correct, then door open command is sent to master control system, and master control system control cabinet door is opened.
In step S102, electric lock is kept for the released state several seconds, which is the time that needs are reserved to user's opening cabinet door,
If within the period, cabinet door is not switched on, then electric lock is shut.
In step S102, in 5 seconds after cabinet door is shut, RFID reader is to RFID label tag all in cabinet
RSSI value is read out.
The utility model embodiment judges that the commodity in the RFID label tag are to be purchased by reading RFID label tag RSSI value
It buys.
The RSSI value of the RSSI value of the RFID label tag of reading with the RFID label tag before cabinet door is opened is compared
Compared with according to the comparative result of two RSSI values, judging whether the corresponding commodity of the RFID label tag are purchased includes following methods：
When RFID label tag is attached on pallet and commodity are placed on the rfid labels, if the RSSI of the RFID labels read
Value is more than RSSI value of the RFID label tag before cabinet door is opened, then judges that commodity are purchased.The method is marked suitable for RFID
Label are placed directly against the intelligent cabinet on supporting plate, and when commodity are directly placed in RFID label tag and are not put on the rfid labels, RFID is marked
The RSSI value of label is different, and the RSSI value being placed on label is less than the RSSI value do not put on the rfid labels.In general RFID label tag
RSSI value≤50dBm of side RFID when having commodity, if without commodity above RFID label tag, during without signal interference object, RSSI >=
65dBm。
When setting commodity propeller in intelligent cabinet, RFID label tag is arranged between pallet and wind spring, if the RFID read
When the RSSI value of label does not cover the RSSI value measured during commodity more than or equal to the RFID label tag, judge above the RFID label tag
Commodity be purchased；If the RSSI value of the RFID label tag read does not cover the RSSI value measured during commodity less than the RFID label tag,
It is worth on the basis of this RSSI value, judges that the commodity above the RFID label tag are not purchased.The key of the method is wind spring for metal,
Label is arranged on wind spring lower end, and when wind spring upper ends commodity, wind spring is upheld, and wind spring covers RFID labels, makes RFID label tag
RSSI value close to 0, when commodity are removed, due to wind spring act on, wind spring shrink, expose RFID label tag, at this time RFID
The RSSI value of label becomes very big, and this method only needs to compare the RSSI value and benchmark of corresponding RFID label tag after purchase commodity
Value, you can judge whether commodity are purchased.
A kind of reservation merchandise control method is also disclosed in the utility model, as shown in fig. 7, this method includes：
S200：User is subscribed into the merchandise news of commodity and user information is associated with the ID of RFID label tag；
S201：After the reservation that commodity packaging is placed on cabinet is delivered in area, master control system controls RFID readers to machine
All RFID label tags and its RSSI value are read out in cabinet, and the RSSI values and system of RFID label tag are set in advance through measuring and calculating
There is no the RSSI value of RFID label tag that commodity packaging covers to be compared processing, when the RSSI value read to RFID label tag more than etc.
When the RSSI value of default, judge to be not covered with commodity packaging above RFID label tag, when to fixed position fixation ID's
When the RSSI value that RFID label tag is read is less than the RSSI value of default, RFID label tag is covered by commodity packaging, judges to subscribe business
Product are reached in cabinet, will be subscribed commodity arrival information and be sent notification to user and assign user's right of enabling；
S202：It takes commodity and after be again switched off cabinet door when user opens cabinet door, master control system receives what electric lock was locked
Status information, control RFID reader are read out RFID label tag all in cabinet and its RSSI values；
S203：Judge whether user is correctly extracted to subscribe commodity and send prompting notice to user.
In S203 steps, when RFID label tag is pasted or when hanging in commodity packaging, control master control system to user from
The RFID label tag being associated in the commodity packaging of user information taken is compared processing, when in the commodity packaging that user takes
During the user of the user information Bu Shina areas commodity corresponding to RFID label tag, represent user taken mistake commodity, carry immediately
Show and user is notified to take commodity by mistake, and give the user's enabling permission again, until commodity of correctly taking；
When RFID label tag is fixed on the in vivo supporting plate of cabinet, RFID reader reads the RSSI value of this RFID label tag and is
The RSSI value that no commodity packaging of the system in advance through measuring and calculating setting covers is compared processing, as the RSSI of the RFID label tag of reading
When value is more than or equal to the RSSI value of default, judge to be not covered with commodity packaging above the RFID label tag, judge that business is ordered on pre- top
Product are taken away by user, and the commodity of mistake if user has taken, instantly prompting notifies user to take by mistake, and gives the user again
Enabling permission is to put back to original position, until correctly extracting commodity.
The notice sent in step S203 includes not correctly extraction commodity and has completed extraction commodity.
It is main if master control system is not received by the status information locked again that electric lock is sent for a long time in step S202
Control system sends information of not closing the door to server, and operator is handled the intelligent cabinet according to the information.
As shown in figure 5, server includes device server and Operation Server, all hardware and device service of intelligent cabinet
Device connects, the data and control device server of device server processing intelligent cabinet hardware, Operation Server and operator, user
And device server connection, Operation Server realization charge accounting, remote control, monitoring, kinds of goods management, and existing automatic selling
Only there are one home server, which can only settle accounts cargo aircraft, sale scheme can only fixed typing server in advance, the clothes
Business device can only control an automatic vending machine, and the system can control multiple intelligent cabinets, realize new retail.New retail is looked forward to
Industry is using internet to rely on, by using the advanced technologies means such as big data, artificial intelligence, production, circulation and pin to commodity
It sells process and carries out upgrading, and then remold industry situation structure and the ecosphere, and to online service, line experience and modern logistics
Carry out the retail new model of depth integration.Intelligent cabinet, vending method and reservation merchandise control disclosed in the utility model embodiment
Method uses unattended, simple to operate, remote monitoring and maintenance, update so that and cost of human and material resources is decreased obviously,
Improve efficiency of operation simultaneously.
The utility model has further the advantage that：
1st, the ground such as community, office building, underground garage, crowded market are conveniently deployed in.
2nd, cabinet body structure novel design fashion, deepfreeze excellent, power consumption are low.
3rd, cabinet master control system long-term operation performance is stablized excellent, in case of failure has quick self diagnosis with recovering.
4th, commodity RFID is supported automatically to manage.
5th, 720P high definitions and the full HD live video functions of 1080P are supported.
6th, 4G/WIFI/ Ethernet mainstream network interfaces are supported, support the detection of network real-time online and fast quick-recovery function.
7th, support heating and dehumidification, power off abnormal battery back up function.
8th, abundant expansion interface supports Fingerprint Lock, and printer, scanner, multi-screen is different aobvious and touches, and advertisement large-size screen monitors can
To extend arbitrary lock etc..
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Spiritual and any modification within principle, made, equivalent substitution of utility model etc., should be included in the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of intelligent cabinet based on RSSI, which is characterized in that including：
Master control system, the switch of the master control system control cabinet door simultaneously receive and handle the information of RFID reader；
Cabinet including cabinet and cabinet door, installs electric lock, multilayer supporting plate is provided in cabinet in cabinet door；
RFID reader, the RFID reader are electrically connected with master control system, and the RFID reader reads each RFID label tag
ID and RSSI value；
RFID label tag, the RFID label tag are mounted on supporting plate, and uniquely corresponding, RFID is marked for the ID of RFID label tag and merchandise news
Correspondence between the ID and merchandise news of label is by server controls；
Server, server are connected with master control system, and server is used to receive user's purchase instruction and is sent to user information
Master control system, server receive master control system information and complete charging, and server sends purchase information and payment information to user.
2. a kind of intelligent cabinet based on RSSI as described in claim 1, which is characterized in that the cabinet is included from constituency, institute
It states from constituency for self-service purchase commodity, multiple pallets for placing commodity is installed on supporting plate, installation commodity push away on the pallet
Into device, the propeller includes wind spring and push plate, and the RFID label tag is mounted between pallet and wind spring.
3. a kind of intelligent cabinet based on RSSI as claimed in claim 2, which is characterized in that positioning mark is provided on the pallet
Ruler, Position Scale are parallel with the direction of propulsion of commodity propeller.
4. a kind of intelligent cabinet based on RSSI as claimed in claim 2 or claim 3, which is characterized in that the pallet is nonmetallic.
5. a kind of intelligent cabinet based on RSSI as described in claim 1, which is characterized in that the cabinet includes at least one pre-
Pledge friendship and pay area, described subscribe delivers the commodity that area is used to store Pre purchase, and the merchandise news of RFID label tag and Pre purchase commodity is only
One corresponds to, and each subscribe delivers area's one cabinet door of correspondence.
A kind of 6. intelligent cabinet based on RSSI as described in claim 1 or 2 or 3 or 5, which is characterized in that the material of the supporting plate
Expect to be nonmetallic；When cabinet door is glass door, glass door is electric heating glass door.
7. a kind of intelligent cabinet based on RSSI as described in claim 1, which is characterized in that UPS continuation of the journey power supplys are further included, it is described
UPS continuation of the journey power supplys are connected with cabinet, master control system and RFID reader.
8. a kind of intelligent cabinet based on RSSI as described in claim 1, which is characterized in that cabinet is equipped with multiple cabinet doors, cabinet
Inner wall installs the antenna of multiple connection RFID readers respectively, for reading the ID of cabinet inner label and its RSSI value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425102.3U CN207440893U (en) | 2017-10-31 | 2017-10-31 | A kind of intelligent cabinet based on RSSI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425102.3U CN207440893U (en) | 2017-10-31 | 2017-10-31 | A kind of intelligent cabinet based on RSSI |
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| Publication Number | Publication Date |
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| CN207440893U true CN207440893U (en) | 2018-06-01 |
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ID=62290541
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721425102.3U Expired - Fee Related CN207440893U (en) | 2017-10-31 | 2017-10-31 | A kind of intelligent cabinet based on RSSI |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107798774A (en) * | 2017-10-31 | 2018-03-13 | 上海麦泽科技有限公司 | A kind of intelligent cabinet based on RSSI, vending method and reservation merchandise control method |
| TWI706311B (en) * | 2018-06-05 | 2020-10-01 | 香港商阿里巴巴集團服務有限公司 | Data processing method, article detection method and device |
-
2017
- 2017-10-31 CN CN201721425102.3U patent/CN207440893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107798774A (en) * | 2017-10-31 | 2018-03-13 | 上海麦泽科技有限公司 | A kind of intelligent cabinet based on RSSI, vending method and reservation merchandise control method |
| TWI706311B (en) * | 2018-06-05 | 2020-10-01 | 香港商阿里巴巴集團服務有限公司 | Data processing method, article detection method and device |
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