CN112073959A - Zigbee module management method and network access method - Google Patents
Zigbee module management method and network access method Download PDFInfo
- Publication number
- CN112073959A CN112073959A CN202010986046.0A CN202010986046A CN112073959A CN 112073959 A CN112073959 A CN 112073959A CN 202010986046 A CN202010986046 A CN 202010986046A CN 112073959 A CN112073959 A CN 112073959A
- Authority
- CN
- China
- Prior art keywords
- code
- zigbee module
- user terminal
- network access
- dimensional code
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Abstract
The invention discloses a Zigbee module management method, which comprises the following steps: after production is finished, acquiring identification information of a Zigbee module; writing an authorization code into the Zigbee module; and testing the signal intensity value of the Zigbee module within a preset distance range, and if the signal intensity value is within a preset threshold range, generating a two-dimensional code by using the identification information and pasting the two-dimensional code on the Zigbee module. The invention also discloses a Zigbee module network access method. According to the Zigbee module tracking and identifying method, the Zigbee modules can be sequentially tracked and identified through the two-dimension codes, and convenience is provided for users to upgrade, update and maintain the Zigbee modules.
Description
Technical Field
The invention relates to a Zigbee module. More particularly, the present invention relates to a Zigbee module management method and a network access method.
Background
The Zigbee is a wireless networking communication technology with short distance, low complexity, self-organization, low power consumption, low speed and low cost. With the rapid development of the internet of things, the Zigbee technology has been widely applied to the fields of smart homes, industrial control, agricultural monitoring, intelligent lighting, intelligent buildings, and the like. With the wide-range use of the Zigbee module, the signal strength of the installation position of the terminal device directly affects the quality of Zigbee network communication, and the field module failure is not according to the investigation, which brings great inconvenience to after-sale maintenance. At present, the method for troubleshooting Zigbee field faults mainly adopts field joint debugging, troubleshooting problems need to be carried out on equipment one by one, time and labor are consumed, and confusion is easily caused under the condition of large quantity of equipment.
Disclosure of Invention
An object of the present invention is to provide a Zigbee module management method and a network access method, which can track and identify Zigbee modules in order through a two-dimensional code, and provide convenience for a user to upgrade, update, and maintain Zigbee modules.
To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, there is provided a Zigbee module management method comprising:
after production is finished, acquiring identification information of a Zigbee module;
writing an authorization code into the Zigbee module;
and testing the signal intensity value of the Zigbee module within a preset distance range, and if the signal intensity value is within a preset threshold range, generating a two-dimensional code by using the identification information and pasting the two-dimensional code on the Zigbee module.
Further, in the Zigbee module management method, the identification information at least includes a MAC address.
Further, in the Zigbee module management method, the two-dimensional code further includes an anti-counterfeit code, a device code, a product code, and a company code.
Further, the Zigbee module management method tests at least five times, and takes an average value as a signal strength value.
Further, after the two-dimensional code is generated, the Zigbee module management method stores a signal strength value, an MAC address, an authorization code, an anti-counterfeiting code, a device code, a product code, and a company code in association with the cloud server.
Further, in the Zigbee module management method, the two-dimensional code includes a first two-dimensional code and a second two-dimensional code;
when a user terminal executes a first scanning operation on the first two-dimensional code, the user terminal sends position information and a network access request of the user terminal to the cloud server;
when the user terminal performs a second scanning operation on the second two-dimensional code, the user terminal sends the identification information of the Zigbee module to the cloud server;
if the interval between the first scanning operation and the second scanning operation is within a preset time range and the Zigbee module has an authorization code, the cloud server feeds back a network access permission instruction, and sends a Zigbee module distribution diagram, a signal strength value of the Zigbee module, a device code, a product code, and a company code to the user terminal; if not, no permission is sent; the distribution map is the positions of other Zigbee modules in a set area around the Zigbee module.
According to another aspect of the present invention, a Zigbee module networking method includes:
scanning a two-dimensional code by using a user terminal, sending a network access request to a cloud server by using the user terminal, generating the two-dimensional code according to the identification information of the Zigbee module, and pasting the two-dimensional code on the Zigbee module;
the cloud server inquires whether the Zigbee module has an authorization code or not according to the network access request and the identification information, if so, the cloud server feeds back a network access permission instruction, and the Zigbee module is added into a network corresponding to the network access request; if not, no permission is fed back;
the cloud server is internally and associatively stored with a signal strength value, an MAC address, an authorization code, an anti-counterfeiting code, a device code, a product code and a company code.
Further, the Zigbee module network access method includes:
the two-dimension code comprises a first two-dimension code and a second two-dimension code;
executing a first scanning operation on the first two-dimensional code by using the user terminal, and sending the position information and the network access request of the user terminal to the cloud server by using the user terminal;
executing a second scanning operation on the second two-dimensional code by using the user terminal, and sending identification information of the Zigbee module to the cloud server by using the user terminal;
if the interval between the first scanning operation and the second scanning operation is within a preset time range and the Zigbee module has an authorization code, the cloud server feeds back a network access permission instruction, and sends a distribution diagram, a signal strength value of the Zigbee module, a device code, a product code, and a company code to the user terminal, and the Zigbee module joins a network corresponding to the network access request; if not, no permission is fed back;
wherein the distribution map is the positions of other Zigbee modules in a set region around the Zigbee module.
The invention at least comprises the following beneficial effects:
the invention detects the signal strength of the module in time in the production test process, thereby helping quality departments to improve the detection efficiency, simplify the production flow and achieve the purpose of improving the productivity, and combines the two-dimension code technology to uniquely encode and store the information of the Zigbee module according to a certain rule, generate the two-dimension code of the module meeting the signal strength requirement, print and associate the Zigbee product on site, scan the two-dimension code at any place needing to be checked, track and identify the module through the unique information, compare the cloud server data, thereby helping engineering personnel to analyze the problem reason, and achieve the purposes of remote upgrading and updating or providing maintenance data for the site personnel.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, an embodiment of the present application provides a Zigbee module management method, including: after production is finished, acquiring identification information of a Zigbee module; writing an authorization code into the Zigbee module; and testing the signal intensity value of the Zigbee module within a preset distance range, and if the signal intensity value is within a preset threshold range, generating a two-dimensional code by using the identification information and pasting the two-dimensional code on the Zigbee module.
In the above embodiment, after the Zigbee module is produced, the Zigbee module is tested, and the identification information is information that can uniquely represent the Zigbee module, such as a unique code, a MAC address, and the like. The authorization code is used to facilitate Zigbee module networking. The signal intensity value is used for determining whether the Zigbee module meets the requirement, and when the signal intensity value is not within a preset threshold range any more, the Zigbee module does not leave a factory and does not stick the two-dimensional code generated by the identification information. When the Zigbee module is used, a user can inquire the identification information through the two-dimensional code. It can be seen that, in the embodiment, the signal strength of the module is detected in time in the production test process, so that the quality department is helped to improve the detection efficiency, simplify the production process and achieve the purpose of improving the productivity, and in combination with the two-dimensional code technology, the information of the Zigbee module is uniquely encoded and stored according to a certain rule, the module meeting the signal strength requirement is subjected to two-dimensional code generation, on-site printing and association with Zigbee products, two-dimensional code scanning can be performed at any place needing to be checked, and tracking and module identification are performed through unique information.
In other embodiments, the identification information at least includes a MAC address, and the MAC address has uniqueness and is included in the two-dimensional code, which further facilitates networking.
In other embodiments, the two-dimensional code further comprises an anti-counterfeiting code, a device code, a product code and a company code, so that a user can obtain more reference information through the two-dimensional code conveniently.
In other embodiments, at least five tests are performed, and the signal strength values are averaged to make the signal strength values more accurate.
In other embodiments, after the two-dimensional code is generated, the signal strength value, the MAC address, the authorization code, the anti-counterfeiting code, the device code, the product code, and the company code are stored in the cloud server in an associated manner, so that a user can conveniently log in the cloud server to query information such as the signal strength value by a remote login, and the user can be helped to analyze the cause of the problem, thereby achieving remote upgrading and updating or providing maintenance data for field personnel.
In other embodiments, the two-dimensional code comprises a first two-dimensional code and a second two-dimensional code; when a user terminal executes a first scanning operation on the first two-dimensional code, the user terminal sends position information and a network access request of the user terminal to the cloud server; when the user terminal performs a second scanning operation on the second two-dimensional code, the user terminal sends the identification information of the Zigbee module to the cloud server; if the interval between the first scanning operation and the second scanning operation is within a preset time range and the Zigbee module has an authorization code, the cloud server feeds back a network access permission instruction, and sends a Zigbee module distribution diagram, a signal strength value of the Zigbee module, a device code, a product code, and a company code to the user terminal; if not, no permission is sent; the distribution map is the positions of other Zigbee modules in a set area around the Zigbee module.
In these embodiments, the user terminal has the necessary APP, which facilitates the Zigbee module networking. In order to improve the safety and reduce unnecessary disturbance, a first two-dimensional code and a second two-dimensional code are set, and useful information can be obtained only by sequentially scanning the two-dimensional codes within a set time range, and network access permission is obtained. When the first two-dimensional code is scanned, the user terminal selects a network, generates a network access request, acquires position information of the user terminal, and sends the network access request and the position information to the cloud server. And when the second two-dimensional code is scanned, the user terminal acquires the identification information and sends the identification information to the cloud server. The cloud server inquires whether the Zigbee module has an authorization code or not according to the identification information, if so, network access is allowed, the corresponding gateway and the coordinator add the Zigbee module into the network, and if not, network access is not allowed. The cloud server also sends a distribution map, a signal strength value, an apparatus code, a product code and a company code like the user terminal, wherein the distribution map is a position distribution map of other installed Zigbee modules, and the distribution map is combined with the signal strength value, the apparatus code, the product code and the company code of the Zigbee module, so that convenience is provided for upgrading, updating and maintaining the Zigbee module for users, and a more appropriate installation position is provided for the Zigbee module. The distribution map is obtained according to the uploaded user terminal position information when each Zigbee module is installed. It can be seen that these embodiments improve the security of the Zigbee module, and provide more reference information for the installation and network access of the Zigbee module.
An embodiment of the present application further provides a Zigbee module network access method, including: scanning a two-dimensional code by using a user terminal, sending a network access request to a cloud server by using the user terminal, generating the two-dimensional code according to the identification information of the Zigbee module, and pasting the two-dimensional code on the Zigbee module; the cloud server inquires whether the Zigbee module has an authorization code or not according to the network access request and the identification information, if so, the cloud server feeds back a network access permission instruction, and the Zigbee module is added into a network corresponding to the network access request; if not, no permission is fed back; the cloud server is internally and associatively stored with a signal strength value, an MAC address, an authorization code, an anti-counterfeiting code, a device code, a product code and a company code.
In this embodiment, a method for accessing a Zigbee module with a two-dimensional code attached thereto is provided, that is, scanning the two-dimensional code by a user terminal, sending an access request, after querying that the Zigbee module has an authorization code, a cloud server allows the Zigbee module to access a network, and a corresponding gateway and a coordinator add the Zigbee module to the network. The signal strength value, the device code, the product code and the company code of the Zigbee module can be inquired from the cloud server through the two-dimensional code, convenience is provided for upgrading, updating and maintaining the Zigbee module by using personnel, and a more appropriate installation position is provided for the Zigbee module.
In other embodiments, the two-dimensional code comprises a first two-dimensional code and a second two-dimensional code; executing a first scanning operation on the first two-dimensional code by using the user terminal, and sending the position information and the network access request of the user terminal to the cloud server by using the user terminal; executing a second scanning operation on the second two-dimensional code by using the user terminal, and sending identification information of the Zigbee module to the cloud server by using the user terminal; if the interval between the first scanning operation and the second scanning operation is within a preset time range and the Zigbee module has an authorization code, the cloud server feeds back a network access permission instruction, and sends a distribution diagram, a signal strength value of the Zigbee module, a device code, a product code, and a company code to the user terminal, and the Zigbee module joins a network corresponding to the network access request; if not, no permission is fed back; wherein the distribution map is the positions of other Zigbee modules in a set region around the Zigbee module. In these embodiments, the user terminal has the necessary APP, which facilitates the Zigbee module to access the network. In order to improve the safety and reduce unnecessary disturbance, a first two-dimensional code and a second two-dimensional code are set, and useful information can be obtained only by sequentially scanning the two-dimensional codes within a set time range, and network access permission is obtained. When the first two-dimensional code is scanned, the user terminal selects a network, generates a network access request, acquires position information of the user terminal, and sends the network access request and the position information to the cloud server. And when the second two-dimensional code is scanned, the user terminal acquires the identification information and sends the identification information to the cloud server. The cloud server inquires whether the Zigbee module has an authorization code or not according to the identification information, if so, network access is allowed, the corresponding gateway and the coordinator add the Zigbee module into the network, and if not, network access is not allowed. The cloud server also sends a distribution map, a signal strength value, an apparatus code, a product code and a company code like the user terminal, wherein the distribution map is a position distribution map of other installed Zigbee modules, and the distribution map is combined with the signal strength value, the apparatus code, the product code and the company code of the Zigbee module, so that convenience is provided for upgrading, updating and maintaining the Zigbee module by using personnel, and a more appropriate installation position is provided for the Zigbee module. The distribution map is obtained according to the uploaded user terminal position information when each Zigbee module is installed. It can be seen that these embodiments improve the security of the Zigbee module, and provide more reference information for the installation and network access of the Zigbee module.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the Zigbee module management method and the network access method of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
- A Zigbee module management method is characterized by comprising the following steps:after production is finished, acquiring identification information of a Zigbee module;writing an authorization code into the Zigbee module;and testing the signal intensity value of the Zigbee module within a preset distance range, and if the signal intensity value is within a preset threshold range, generating a two-dimensional code by using the identification information and pasting the two-dimensional code on the Zigbee module.
- 2. A Zigbee module management method as claimed in claim 1, wherein the identification information comprises at least a MAC address.
- 3. A Zigbee module management method as claimed in claim 2, wherein the two-dimensional code further includes an anti-counterfeit code, a device code, a product code, and a company code.
- 4. A Zigbee module management method as claimed in claim 1, wherein at least five tests are performed, and the average value is a signal strength value.
- 5. A Zigbee module management method as claimed in claim 3, wherein after the two-dimensional code is generated, a signal strength value, a MAC address, an authorization code, an anti-counterfeiting code, a device code, a product code, a company code are stored in association with a cloud server.
- 6. A Zigbee module management method as claimed in claim 5, wherein the two-dimensional code comprises a first two-dimensional code and a second two-dimensional code;when a user terminal executes a first scanning operation on the first two-dimensional code, the user terminal sends position information and a network access request of the user terminal to the cloud server;when the user terminal performs a second scanning operation on the second two-dimensional code, the user terminal sends the identification information of the Zigbee module to the cloud server;if the interval between the first scanning operation and the second scanning operation is within a preset time range and the Zigbee module has an authorization code, the cloud server feeds back a network access permission instruction, and sends a Zigbee module distribution diagram, a signal strength value of the Zigbee module, a device code, a product code, and a company code to the user terminal; if not, no permission is sent; the distribution map is the positions of other Zigbee modules in a set area around the Zigbee module.
- The Zigbee module network access method is characterized by comprising the following steps:scanning a two-dimensional code by using a user terminal, sending a network access request to a cloud server by using the user terminal, generating the two-dimensional code according to the identification information of the Zigbee module, and pasting the two-dimensional code on the Zigbee module;the cloud server inquires whether the Zigbee module has an authorization code or not according to the network access request and the identification information, if so, the cloud server feeds back a network access permission instruction, and the Zigbee module is added into a network corresponding to the network access request; if not, no permission is fed back;the cloud server is internally and associatively stored with a signal strength value, an MAC address, an authorization code, an anti-counterfeiting code, a device code, a product code and a company code.
- 8. A Zigbee module networking method as claimed in claim 7, comprising:the two-dimension code comprises a first two-dimension code and a second two-dimension code;executing a first scanning operation on the first two-dimensional code by using the user terminal, and sending the position information and the network access request of the user terminal to the cloud server by using the user terminal;executing a second scanning operation on the second two-dimensional code by using the user terminal, and sending identification information of the Zigbee module to the cloud server by using the user terminal;if the interval between the first scanning operation and the second scanning operation is within a preset time range and the Zigbee module has an authorization code, the cloud server feeds back a network access permission instruction, and sends a distribution diagram, a signal strength value of the Zigbee module, a device code, a product code, and a company code to the user terminal, and the Zigbee module joins a network corresponding to the network access request; if not, no permission is fed back;wherein the distribution map is the positions of other Zigbee modules in a set region around the Zigbee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986046.0A CN112073959B (en) | 2020-09-18 | 2020-09-18 | Zigbee module management method and network access method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986046.0A CN112073959B (en) | 2020-09-18 | 2020-09-18 | Zigbee module management method and network access method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112073959A true CN112073959A (en) | 2020-12-11 |
| CN112073959B CN112073959B (en) | 2023-04-07 |
Family
ID=73681723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010986046.0A Active CN112073959B (en) | 2020-09-18 | 2020-09-18 | Zigbee module management method and network access method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112073959B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011131420A (en) * | 2009-12-22 | 2011-07-07 | Kyodo Printing Co Ltd | Electronic tag pasting device and pasting method |
| CN102542222A (en) * | 2010-12-28 | 2012-07-04 | 艾迪讯科技股份有限公司 | Equipment and method for applying radio frequency identification technology to labeling operation |
| CN103532971A (en) * | 2013-10-24 | 2014-01-22 | 北京星网锐捷网络技术有限公司 | Authentication method, device and system based on two-dimensional code |
| CN105960027A (en) * | 2016-05-05 | 2016-09-21 | 四川九洲电器集团有限责任公司 | ZigBee network networking method and ZigBee coordinator |
| CN106304141A (en) * | 2015-06-10 | 2017-01-04 | 美的集团股份有限公司 | Networking management method based on ZigBee-network and system |
| CN107333265A (en) * | 2017-08-24 | 2017-11-07 | 四川长虹电器股份有限公司 | A kind of zigbee equipment method of network entry |
-
2020
- 2020-09-18 CN CN202010986046.0A patent/CN112073959B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011131420A (en) * | 2009-12-22 | 2011-07-07 | Kyodo Printing Co Ltd | Electronic tag pasting device and pasting method |
| CN102542222A (en) * | 2010-12-28 | 2012-07-04 | 艾迪讯科技股份有限公司 | Equipment and method for applying radio frequency identification technology to labeling operation |
| CN103532971A (en) * | 2013-10-24 | 2014-01-22 | 北京星网锐捷网络技术有限公司 | Authentication method, device and system based on two-dimensional code |
| CN106304141A (en) * | 2015-06-10 | 2017-01-04 | 美的集团股份有限公司 | Networking management method based on ZigBee-network and system |
| CN105960027A (en) * | 2016-05-05 | 2016-09-21 | 四川九洲电器集团有限责任公司 | ZigBee network networking method and ZigBee coordinator |
| CN107333265A (en) * | 2017-08-24 | 2017-11-07 | 四川长虹电器股份有限公司 | A kind of zigbee equipment method of network entry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112073959B (en) | 2023-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108564676B (en) | Intelligent inspection system and method for hydraulic power plant | |
| Oliveira et al. | Mobile device detection through WiFi probe request analysis | |
| CN111445110B (en) | Cable channel-based environmental risk decision method and device and computer equipment | |
| CN103035041A (en) | Novel field device inspection system and inspection method thereof | |
| CN203773587U (en) | Tobacco anti-fake traceability system | |
| CN107316359B (en) | Intelligent door lock testing system and method | |
| CN110663007B (en) | Method and device for the automated management of cladding installations | |
| CN108124232B (en) | Sound testing system and testing method | |
| CN109359098A (en) | A kind of dispatch data net behavior monitoring system and method | |
| CN105621180A (en) | Obtaining method and device for elevator information | |
| CN107170065A (en) | Intelligent movable Work attendance method, device and system | |
| CN104407600A (en) | Method for realizing intelligent home based on RFID (radio frequency identification devices) labels and identity mapping of hash functions | |
| CN112700020A (en) | Full life cycle management system of equipment based on sweep sign indicating number | |
| CN115034929A (en) | Production line electric quantity management method and system based on industrial Internet of things | |
| CN110910147A (en) | Agricultural product quality traceability system and method | |
| CN112073959B (en) | Zigbee module management method and network access method | |
| CN115984031A (en) | Industrial internet identification classified collection and rapid analysis method | |
| CN106776185A (en) | Computer equipment hardware method for inspecting and device | |
| CN110769073A (en) | Electric energy meter zone attribution identification method and device, computer equipment and storage medium | |
| CN208224751U (en) | Intelligent substation system based on instrument long-distance reading data | |
| CN109343488A (en) | Fieldbus monitoring early-warning system and method based on wechat and FDT technology | |
| CN105354769A (en) | Data processing method and device used for power distribution network equipment | |
| CN115562143B (en) | Valve remote fault monitoring method and system based on Internet of things | |
| CN112348535A (en) | Traceability application method and system based on block chain technology | |
| CN104007725A (en) | Device monitoring system and monitoring method of device monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |