CN206224171U - A kind of control system for recreation ground - Google Patents
A kind of control system for recreation ground Download PDFInfo
- Publication number
- CN206224171U CN206224171U CN201621340171.XU CN201621340171U CN206224171U CN 206224171 U CN206224171 U CN 206224171U CN 201621340171 U CN201621340171 U CN 201621340171U CN 206224171 U CN206224171 U CN 206224171U
- Authority
- CN
- China
- Prior art keywords
- module
- main control
- control system
- chip
- recreation ground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model belongs to recreation ground administrative skill field, there is provided a kind of control system for recreation ground, the control system includes sensing module, main control module, drive module, radio-frequency module, communication module, display module and photographing module, the ambient parameter that main control module gets according to sensing module controls the working condition of the equipment of recreation ground by drive module, and the information that radio-frequency module recognizes visitor's admission ticket is sent to background server by communication module, so that background server judges and analyzes the information of visitor's admission ticket;Meanwhile, the picture and video that main control module photographs photographing module are shown by display module.Thus achieve the effect that Based Intelligent Control is carried out to recreation ground, the efficiency of operation of whole recreation ground is improve, solves the problems, such as that existing recreation ground control technology is existed because being managed the efficiency of operation for causing the increase of overall operation cost and reducing whole recreation ground using traditional manual type.
Description
Technical field
The utility model belongs to recreation ground administrative skill field, more particularly to a kind of control system for recreation ground.
Background technology
At present, recreation ground as public place of entertainment in addition to the free life that can enrich people, moreover it is possible to widen people enjoyment
The channel of modern science and technology technology, understanding social development and understanding the Nature.In the gardens construction of urban infrastructure, travel
Critically important position is occupied in field, also has more wide meaning to the development of entire society, and such as beautification to appearance of city is made
Adjustment effect with, the balanced action of urban ecological environment, the catharsis of air and weather etc..But, existing recreation ground
Still traditional manual type is continued to use to be managed, including sale, visitor and staff to admission ticket gate inhibition's access and exit control,
Identity information identification checking, the monitoring of process real-time tracking, the safety assurance of personnel, control of equipment etc., therefore result in entirety
The increase of operating cost and reduce the efficiency of operation of whole recreation ground.
Therefore, existing recreation ground control technology is existed causes overall fortune because using traditional manual type to be managed
The increase for making cost and the problem of the efficiency of operation for reducing whole recreation ground.
Utility model content
The utility model purpose is to provide a kind of control system for recreation ground, it is intended to solve existing recreation ground control
Technology processed is existed and cause the increase of overall operation cost and reduce whole because being managed using traditional manual type
The problem of the efficiency of operation of recreation ground.
The utility model provides a kind of control system for recreation ground, and the control system is wireless with background server
Connection, the control system includes:
Sensing module, main control module, drive module, radio-frequency module, communication module, display module and photographing module;
The output end of the sensing termination sensing module of the main control module, the control termination of the main control module is described
The input of drive module, the output end of the reception termination radio-frequency module of the main control module, the biography of the main control module
The input of the defeated termination communication module, the output end of the communication module and the background server wireless connection, it is described
The output end of the shooting termination photographing module of main control module, the display of the main control module terminates the defeated of the display module
Enter end;
Described in the ambient parameter that the main control module gets according to the sensing module is controlled by the drive module
The working condition of the equipment of recreation ground, and the information that the radio-frequency module recognizes visitor's admission ticket is passed through into the communication module
The background server is sent to, so that the background server judges and analyze the information of visitor's admission ticket;The shooting
The picture and transmission of video that module will be photographed lead to the picture and the video to the main control module, the main control module
The display module is crossed to be shown.
The utility model provides a kind of control system for recreation ground, and control system wirelessly connects with background server
Connect, the control system includes sensing module, main control module, drive module, radio-frequency module, communication module, display module and takes the photograph
As module, the ambient parameter that main control module gets according to sensing module controls the work of the equipment of recreation ground by drive module
State, and the information that radio-frequency module recognizes visitor's admission ticket is sent to background server by communication module, so that backstage
Server judges and analyzes the information of visitor's admission ticket;Meanwhile, the picture and transmission of video that photographing module will be photographed give master
Control module, main control module is shown picture and video by display module.Thus achieve carries out intelligent control to recreation ground
The effect of system, improves the efficiency of operation of whole recreation ground, solves existing recreation ground control technology and exists because using biography
The manual type of system is managed asking for the efficiency of operation that causes the increase of overall operation cost and reduce whole recreation ground
Topic.
Brief description of the drawings
A kind of modular structure schematic diagram of control system for recreation ground that Fig. 1 is provided for the utility model embodiment;
A kind of modular structure schematic diagram of control system for recreation ground that Fig. 2 is provided for the utility model embodiment;
A kind of circuit connection structure of control system for recreation ground that Fig. 3 is provided for the utility model embodiment is illustrated
Figure.
Specific embodiment
In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect become more apparent, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
A kind of control system for recreation ground that the utility model embodiment is provided, mainly by gathering in recreation ground
The information such as temperature, gas concentration and infrared spectrum, so as to intelligently adjust temperature, the size of air humidifier of air-conditioning
And the brightness of light fixture;Meanwhile, visitor's identity is identified using radio-frequency card, the tourist information that will be read is passed by network
It is defeated to background server, so that background server judges whether the visitor suitably participates in this entertainment selection of playing;And use and take the photograph
As head gathers picture and video, the picture and video that will be collected by network (TCP/IP) agreement are shown using webpage.
Fig. 1 shows a kind of modular structure of control system for recreation ground that the utility model embodiment is provided, and is
It is easy to explanation, illustrate only the part related to the utility model embodiment, details are as follows:
This kind is used for the control system of recreation ground, control system and the wireless connection of background server 201, the control system bag
Include sensing module 105, main control module 101, drive module 102, radio-frequency module 103, communication module 106, display module 107 and
Photographing module 104.
The output end of the sensing termination sensing module 105 of main control module 101, the control termination of main control module 101 drives mould
The input of block 102, the output end of the reception termination radio-frequency module 103 of main control module 101, the transmission termination of main control module 101
The input of communication module 106, output end and the wireless connection of background server 201 of communication module 106, main control module 101
The output end of shooting termination photographing module 104, the input of the display termination display module 107 of main control module 101.
The ambient parameter that main control module 101 gets according to sensing module 105 controls recreation ground by drive module 102
The working condition of equipment, and the information that radio-frequency module 103 recognizes visitor's admission ticket is sent to backstage by communication module 103
Server 201, so that background server 201 judges and analyze the information of visitor's admission ticket;Photographing module 104 will be photographed
, to main control module 101, main control module 101 is shown picture and video by display module 107 for picture and transmission of video.
Used as the embodiment of the utility model one, above-mentioned ambient parameter includes temperature value, gas concentration value and infrared ray
Spectrum, the equipment of above-mentioned recreation ground includes air-conditioning, air humidifier and light fixture.Therefore, got according to sensing module 105
Temperature value, main control module 101 controls the working condition of the air-conditioning of recreation ground by drive module 102;Or according to sensing module
105 gas concentration values for getting, main control module 101 controls the work of the air humidifier of recreation ground by drive module 102
State;Or the infrared ray spectrum got according to sensing module 105, main control module 101 is by the control trip of drive module 102
The working condition of the light fixture of happy field.So as to the environment for intelligently realizing recreation ground is in comfort conditions so that visitor plays
Compare comfortable, be not to reduce the enthusiasm to playing because of the influence of environment.
Fig. 2 shows a kind of modular structure of control system for recreation ground that the utility model embodiment is provided, and is
It is easy to explanation, illustrate only the part related to the utility model embodiment, details are as follows:
The control system also includes memory module 108, and the input of memory module 108 terminates the storage end of main control module 101,
Memory module 108 is used to deposit the ambient parameter, the information of visitor's admission ticket, the picture and the video
Storage.All be stored in data involved in control system in memory module 108 equivalent to database by memory module 108, enters
One step judges whether the data of collection have exceeded the upper limit set by user, and the database that upgrades in time data message.
The control system also includes locating module 109, and the input of locating module 109 terminates the positioning end of main control module 101,
Locating module 109 is used to position visitor's admission ticket to carry out locating and tracking with to corresponding visitor.Visitor's admission ticket all sets
Be equipped with positioning function, due to visitor all correspond to carry the admission ticket of itself, therefore, by being positioned to visitor's admission ticket by it is right
Corresponding visitor carries out locating and tracking.If generation emergency, locating module 109 can receive information the very first time and send report
Alert signal, so that staff makes corresponding measure.
Fig. 3 shows a kind of circuit connection knot of control system for recreation ground that the utility model embodiment is provided
Structure, for convenience of description, illustrate only the part related to the utility model embodiment, and details are as follows:
Used as the embodiment of the utility model one, the main control module 101 includes process chip U1, the control end of process chip U1
CTRL, radio-frequency head RAD, shooting end CAM, receiving terminal REC, transmission end FTP and display end DIS are respectively main control module 101
The storage end MEM and positioning of control end, receiving terminal, shooting end, sensing end, transmission end and display end, also, process chip U1
End GPS is respectively the storage end and positioning end of main control module 101.In the present embodiment, process chip U1 uses model
The process chip U1 of SATA14235R-2000, certainly, the model of process chip U1 is not limited, as long as can reach and this implementation
Function described in example process chip U1 also may be used.
Used as the embodiment of the utility model one, the drive module 102 includes driving chip U2, the input of driving chip U2
DRI is the input of drive module 102.In the present embodiment, driving chip U2 employs the driving chip of model TA6932, when
So, the model of driving chip is not limited, as long as can reach also may be used with the function described in the present embodiment driving chip U2.
Used as the embodiment of the utility model one, the radio-frequency module 103 includes radio frequency chip U3, the output end of radio frequency chip U3
FRE is the output end of radio-frequency module 103.In the present embodiment, radio frequency chip U3 employs model C onexant CX23880's
Radio frequency chip, certainly, the model of radio frequency chip is not limited, as long as can reach and the function described in the present embodiment radio frequency chip U3
Effect also may be used.
Used as the embodiment of the utility model one, the photographing module 104 includes camera chip U4, the output end of camera chip U4
PHT is the output end of photographing module 104.In the present embodiment, camera chip U4 employs the camera chip of model ICX405AK,
Certainly, the model of camera chip is not limited, as long as can reach also may be used with the function described in the present embodiment camera chip U4.
Used as the embodiment of the utility model one, the sensing module 105 includes sensing chip U5, the output end of sensing chip U5
SEN is the output end of sensing module 105.In the present embodiment, sensing chip U5 employs the sensing chip of model C S201D, when
So, the model of sensing chip is not limited, as long as can reach also may be used with the function described in the present embodiment sensing chip U5.
Used as the embodiment of the utility model one, the communication module 106 includes communication chip U6, the input of communication chip U6
IN and output end OUT are respectively the input and output end of communication module 106.In the present embodiment, communication chip U6 is employed
The communication chip of model SLE4406, certainly, the model of communication chip is not limited, as long as can reach that core is communicated with the present embodiment
Function described in piece U6 also may be used.
Used as the embodiment of the utility model one, the display module 107 includes display chip U7, the input of display chip U7
REV is the input of display module 107.In this example it is shown that chip U7 employs the display core of model nVIDIA g96
Piece, certainly, the model of display chip is not limited, as long as can reach with the function described in the present embodiment display chip U7 also
Can.
Used as the embodiment of the utility model one, the memory module 108 includes storage chip U8, the input of storage chip U8
STO is the input of memory module 108.In the present embodiment, storage chip U8 employs the storage chip of model 24C01, when
So, the model of storage chip is not limited, as long as can reach also may be used with the function described in the present embodiment storage chip U8.
Used as the embodiment of the utility model one, the locating module 109 includes positioning chip U9, the input of positioning chip U9
LOC is the input of locating module 109.In the present embodiment, positioning chip U9 employs the positioning chip of model UC221, when
So, the model of positioning chip is not limited, as long as can reach also may be used with the function described in the present embodiment positioning chip U9.
Certainly, the ZigBee wireless sensor networks that the platform of internet of things of recreation ground is utilized are realized during one kind is with data
The network of the heart, can effectively perceive, the data that acquisition and transmission sensor node are perceived.Therefore, sensor network sets
Count centered on the management of sensing data (such as data acquisition, storage and index, data query), database technology and network
Technology is intimately associated, and a high performance data-centered net is realized in terms of logical concept and software and hardware technology two
Network system, provides the user an effective sensing data management system.And sensor network only possesses limited communication in itself
Ability, power supply energy, computing capability and storage capacity, and with huge node scale, perception data stream and very strong network
Dynamic.This causes that traditional data management technique cannot directly apply to sensor network environment.Therefore, recreation ground is resolved
The collection of sensing data, storage and index, the key technical problem of sensing data management aspect of the recreation ground such as inquiring about be to carry
The basis of recreation ground environmental monitoring ability high.Hardware for the control system of recreation ground mainly includes ZigBee wireless sense networks
Network, the WEB server platform of UP-TECHPXA270, GPRS cards, universal gateway, wireless network card, camera, RFID, smog/temperature
Degree/temperature and other state sensors and Foreground and Background PC etc..
Wherein, the platform of internet of things of recreation ground be by ZigBee wireless sensor network nodes group, receive send base station, mutually
Networking and monitoring terminal are constituted, and MANET are formed in public place of entertainment by ZigBee wireless sensor network nodes, certain node
Sensing data can be sent to by multi-hop relay mode base station is received outside well, then data acquisition process is sent to by serial ports
On server UP-TECHPXA270 platforms or on long-range PC, so as to realize the real-time monitoring of environmental status data in recreation ground.
In whole monitoring, ZigBee wireless sensor network nodes can not only be carried out as the core component of whole network
The acquisition process of environmental data, but also networking can be among the nodes carried out, and node locating and wireless receiving and dispatching etc..This is
ZigBee radio sensing networks in system are using the information such as the temperature in the sensor collection recreation ground on node, gas, infrared.
Data acquisition process server UP-TECHPXA270 is analyzed and is stored collection information, judges whether collection information has exceeded user
The set upper limit, updates the display information on Sqlite databases and QT interfaces.
Secondly, foreground computer is the identification and payment consumption for booking, and using radio-frequency card to visitor's identity.Work as trip
When visitor enters recreation ground on-site from porch, if the recognizer that porch is installed correctly reads the admission ticket entrained by visitor
(including electronic tag) carries out ticket checking, and the recognizer installed in entertainment selection porch reads visitor by the radiofrequency signal launched
Entrained ticket information, and the tourist information for reading is sent to background server system by network, taken by backstage
Business device system judges whether the visitor suitably participates in this entertainment selection of playing.
Again, warning message, locating and tracking and other information on services are sent using GPRS.
Finally, video information acquisition server UP-TECHPXA270 is schemed by camera to the video acquisition in recreation ground
After as treatment, the Information Pull web displaying that will be collected by TCP/IP procotols is on Web.
Explanation is described to the operation principle of above-mentioned control system below in conjunction with Fig. 2 and Fig. 3:
First, the temperature value for being got according to sensing module 105, main control module 101 controls to travel by drive module 102
The working condition of the air-conditioning of field;And the gas concentration value got according to sensing module 105, main control module 101 is by driving
The working condition of the air humidifier of the control recreation ground of module 102;The infrared spectrum for even being got according to sensing module 105
Value, main control module 101 controls the working condition of the light fixture of recreation ground by drive module 102;Then, main control module 101 will be penetrated
The information that frequency module 103 recognizes visitor's admission ticket is sent to background server 201 by communication module 106, so that background service
Device 201 judges and analyzes the information of visitor's admission ticket, determines whether the visitor suitably participates in this entertainment selection of playing;Meanwhile,
, to main control module 101, main control module 101 passes through picture and video for picture that photographing module 104 will be photographed and transmission of video
Display module 107 is shown;Then, 108 pairs of ambient parameters of memory module, the information of visitor's admission ticket, the figure
Piece and the video are stored, and the visitor's admission ticket of locating module 109 pairs is positioned and entered with to corresponding visitor
Row locating and tracking, once there is emergency, then sends alarm signal and makes corresponding measure in time so as to staff.By
This realizes the effect of intelligent management recreation ground, improves the efficiency of operation of whole recreation ground.
In sum, the utility model embodiment provide a kind of control system for recreation ground, control system with it is rear
Platform server wireless connection, the control system include sensing module, main control module, drive module, radio-frequency module, communication module,
Display module and photographing module, the ambient parameter that main control module gets according to sensing module control to travel by drive module
The working condition of the equipment of field, and the information that radio-frequency module recognizes visitor's admission ticket is sent to backstage clothes by communication module
Business device, so that background server judges and analyze the information of visitor's admission ticket;Meanwhile, picture that photographing module will be photographed and
Transmission of video is shown picture and video by display module by main control module to main control module.It is right to thus achieve
Recreation ground carries out the effect of Based Intelligent Control, improves the efficiency of operation of whole recreation ground, solves existing recreation ground control skill
Art is existed to be caused the increase of overall operation cost and reduces entirely to travel because using traditional manual type to be managed
The problem of the efficiency of operation of field.The utility model embodiment is realized simple, it is not necessary to increases extra hardware, can effectively reduce into
This, with stronger usability and practicality.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of control system for recreation ground, the control system and background server wireless connection, it is characterised in that institute
Stating control system includes:
Sensing module, main control module, drive module, radio-frequency module, communication module, display module and photographing module;
The output end of the sensing termination sensing module of the main control module, the control of the main control module terminates the driving
The input of module, the output end of the reception termination radio-frequency module of the main control module, the transmission end of the main control module
Connect the input of the communication module, the output end of the communication module and the background server wireless connection, the master control
The output end of the shooting termination photographing module of module, the input of the display termination display module of the main control module
End;
The ambient parameter that the main control module gets according to the sensing module is travelled described in being controlled by the drive module
The working condition of the equipment of field, and the information that the radio-frequency module recognizes visitor's admission ticket is sent by the communication module
To the background server, so that the background server judges and analyzes the information of visitor's admission ticket;The photographing module
The picture and the video are passed through institute to the main control module, the main control module by the picture and transmission of video that will be photographed
Display module is stated to be shown.
2. control system as claimed in claim 1, it is characterised in that the ambient parameter includes temperature value, gas concentration value
And infrared ray spectrum, the equipment of the recreation ground includes air-conditioning, air humidifier and light fixture.
3. control system as claimed in claim 1, it is characterised in that the control system also includes:
Memory module;
The storage end of the input termination main control module of the memory module;
The memory module is used to enter the ambient parameter, the information of visitor's admission ticket, the picture and the video
Row storage.
4. control system as claimed in claim 1, it is characterised in that the control system also includes:
Locating module;
The positioning end of the input termination main control module of the locating module;
The locating module is used to position visitor's admission ticket, and locating and tracking is carried out with to corresponding visitor.
5. control system as claimed in claim 1, it is characterised in that the main control module includes process chip (U1);
The control end (CTRL) of the process chip (U1), radio-frequency head (RAD), shooting end (CAM), receiving terminal (REC), transmission end
(FTP) and display end (DIS) be respectively the control end of the main control module, receiving terminal, shooting end, sensing end, transmission end with
And display end.
6. control system as claimed in claim 1, it is characterised in that the drive module includes driving chip (U2);
The input (DRI) of the driving chip (U2) is the input of the drive module.
7. control system as claimed in claim 1, it is characterised in that the radio-frequency module includes radio frequency chip (U3);
The output end (FRE) of the radio frequency chip (U3) is the output end of the radio-frequency module.
8. control system as claimed in claim 1, it is characterised in that the photographing module includes camera chip (U4);
The output end (PHT) of the camera chip (U4) is the output end of the photographing module.
9. control system as claimed in claim 1, it is characterised in that the sensing module includes sensing chip (U5);
The output end (SEN) of the sensing chip (U5) is the output end of the sensing module.
10. control system as claimed in claim 1, it is characterised in that the communication module includes communication chip (U6);
The input (IN) and output end (OUT) of the communication chip (U6) are respectively input and the output of the communication module
End.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621340171.XU CN206224171U (en) | 2016-12-07 | 2016-12-07 | A kind of control system for recreation ground |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621340171.XU CN206224171U (en) | 2016-12-07 | 2016-12-07 | A kind of control system for recreation ground |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206224171U true CN206224171U (en) | 2017-06-06 |
Family
ID=58785119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621340171.XU Expired - Fee Related CN206224171U (en) | 2016-12-07 | 2016-12-07 | A kind of control system for recreation ground |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206224171U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107368947A (en) * | 2017-06-16 | 2017-11-21 | 深圳市盛路物联通讯技术有限公司 | A kind of play field management and device |
CN107613266A (en) * | 2017-10-18 | 2018-01-19 | 广东陆商科技发展有限公司 | A kind of farm monitoring system of travelling based on internet |
WO2019010794A1 (en) * | 2017-07-13 | 2019-01-17 | 深圳市盛路物联通讯技术有限公司 | Internet of things based monitoring method and internet of things server |
-
2016
- 2016-12-07 CN CN201621340171.XU patent/CN206224171U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107368947A (en) * | 2017-06-16 | 2017-11-21 | 深圳市盛路物联通讯技术有限公司 | A kind of play field management and device |
WO2018227692A1 (en) * | 2017-06-16 | 2018-12-20 | 深圳市盛路物联通讯技术有限公司 | Amusement park management method and device |
WO2019010794A1 (en) * | 2017-07-13 | 2019-01-17 | 深圳市盛路物联通讯技术有限公司 | Internet of things based monitoring method and internet of things server |
CN107613266A (en) * | 2017-10-18 | 2018-01-19 | 广东陆商科技发展有限公司 | A kind of farm monitoring system of travelling based on internet |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203465820U (en) | Classroom security system based on Internet of things | |
CN112562161A (en) | Based on 5G thing networking and AI intelligent entrance guard integrated management system | |
CN206224171U (en) | A kind of control system for recreation ground | |
CN102231870A (en) | Internet-of-things-based scenic spot visitor information interaction system | |
CN102915582A (en) | Face recognition-based residence visitor system | |
CN104065751A (en) | Museum monitoring system based on ZigBee | |
CN103500385A (en) | Smart travel aiding system | |
CN106710022A (en) | Online patrol management system | |
CN206042028U (en) | Embedded thing of intelligence networking gateway system | |
CN202929709U (en) | Home visitor system based on face recognition | |
CN109616107A (en) | A kind of voice management system based on ultra wide band | |
CN206961192U (en) | A kind of automatic attendance checking device based on LoRa Internet of Things transmission technologys | |
CN205247637U (en) | Parking area intelligent monitoring and bootstrap system based on ZIGBEE | |
CN206849124U (en) | Integrated service access controller | |
CN106303930A (en) | A kind of intelligent patrol detection based on BLE management system and method | |
CN101094137A (en) | Indoors positioning system and method based on wireless transmission network | |
CN204406695U (en) | The electronics bus stop plate of safety protection type | |
CN102968833A (en) | Networking visitors flow rate statistical system | |
CN110501043A (en) | A kind of camp management system and method | |
CN206348820U (en) | A kind of Intelligent Sensing System of road-work | |
CN108322935A (en) | A kind of region wireless location system and its method based on smart mobile phone | |
CN214098498U (en) | Wisdom campus attendance system with position orbit | |
CN205943049U (en) | Campus data acquisition device based on distributing type RFID | |
CN209543389U (en) | Face alignment system based on smart glasses, smart watches and smart phone | |
CN108898718A (en) | Intelligent access system for agricultural product museum |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20181207 |
|
CF01 | Termination of patent right due to non-payment of annual fee |