CN112911557A - Water meter data acquisition method based on Bluetooth networking - Google Patents
Water meter data acquisition method based on Bluetooth networking Download PDFInfo
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- CN112911557A CN112911557A CN202110202017.5A CN202110202017A CN112911557A CN 112911557 A CN112911557 A CN 112911557A CN 202110202017 A CN202110202017 A CN 202110202017A CN 112911557 A CN112911557 A CN 112911557A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention discloses a water meter data acquisition method based on Bluetooth networking, which utilizes the characteristic of centralized installation of a water meter well, a Bluetooth NB-IoT water meter proxy node acquires data of other Bluetooth water meter terminal nodes installed nearby through networking Bluetooth, and the data is integrally packaged and uploaded, so that the deployment number of the NB-IoT water meter nodes can be greatly reduced, the problem of NB-IoT network data reporting congestion is solved, and meanwhile, only one Bluetooth NB-IoT water meter proxy node is required to be equipped with an NB-IoT module at one centralized installation point, so that the installation and maintenance cost of the overall solution can be obviously reduced.
Description
Technical Field
The invention relates to the field of Internet of things water meters, in particular to a water meter data acquisition method based on Bluetooth networking.
Background
The problems of serious leakage and low success rate of manual meter reading in urban water supply construction are solved, and the situation is fundamentally changed along with the appearance and application of NB-IoT narrowband Internet of things technology. The NB-IoTu has the characteristics of high safety, wide coverage, large connection, low power consumption, low cost and the like, can effectively reduce the meter reading cost and improve the meter reading accuracy, and not only can reduce the cost of manpower and material resources in a large range for water departments and improve the efficiency and the management capability, but also can improve the user experience.
However, due to the deployment and application of a large number of NB-IoT water meters and the access of other NB-IoT internet-of-things devices, NB-IoT network congestion becomes more and more serious, even if the congestion can be relieved by discretizing the network access time of each device according to the address uniqueness, the NB-IoT devices of different manufacturers and different types of NB-IoT devices of the same product category or reporting discrete mechanisms of different types of NB-IoT devices cannot effectively coordinate overall planning, and the problem of network congestion still cannot be fundamentally solved in a practical application scene.
Disclosure of Invention
The invention provides a water meter data acquisition method based on Bluetooth networking, which utilizes the characteristic that water meter wells are generally installed in a centralized manner, a Bluetooth NB-IoT water meter proxy node acquires data of other Bluetooth water meter tail end nodes installed nearby through networking Bluetooth, and the data is integrally packaged and uploaded, so that the deployment number of NB-IoT water meter nodes can be greatly reduced, the problem of NB-IoT network data reporting congestion is solved, and meanwhile, only one Bluetooth NB-IoT water meter proxy node is required to be equipped with an NB-IoT module at one centralized installation point, so that the installation and maintenance cost of the overall solution can be obviously reduced.
The invention provides a water meter data acquisition method based on Bluetooth networking, which does not achieve the purpose and comprises the following steps:
step 1: when the data reporting time of the Bluetooth NB-IoT water meter is reached, the Bluetooth NB-IoT water meter proxy node is changed from a Bluetooth slave mode (peripheral) to a host scanning mode (scanner), and meanwhile, the Bluetooth water meter terminal node is in a slave mode Bluetooth broadcast sending state and sends a Bluetooth device broadcast signal (broadcaster);
step 2: the Bluetooth NB-IoT water meter proxy node starts to scan the broadcast signals of the Bluetooth equipment and sets the scanning overtime time of 1 min;
and step 3: screening out Bluetooth equipment broadcast signals which are scanned in the scanning time, have the same Bluetooth broadcast name and are positioned at the same installation point according to the Bluetooth broadcast name and the Bluetooth broadcast signal strength as screening conditions;
and 4, step 4: establishing Bluetooth connection between the Bluetooth NB-IoT water meter proxy node and the terminal node of the Bluetooth water meter corresponding to the screened Bluetooth broadcast signal, and performing bidirectional encryption authentication to confirm the identities of the two parties;
and 5: reading water meter data of a Bluetooth water meter terminal node by a Bluetooth NB-IoT water meter proxy node;
step 6: the Bluetooth NB-IoT water meter proxy node establishes connection with the Internet of things platform, and if the connection is failed, the step 11 is carried out;
and 7: the Bluetooth NB-IoT water meter proxy node integrally packages and uploads the Bluetooth NB-IoT water meter proxy node and the read data of the Bluetooth water meter terminal node to an Internet of things platform;
and 8: judging whether a Bluetooth NB-IoT water meter proxy node or a Bluetooth water meter needs to switch a valve, if so, issuing a command, and pushing the uploaded data and a command execution result to a water service master station, otherwise, directly pushing the uploaded data to the water service master station;
and step 9: judging whether data need to be reported to a user mobile phone end, if so, entering the step 10, otherwise, storing the reported data in a master station to finish the data acquisition of the water meter;
step 10: pushing data to be reported to a user mobile phone end, and finishing data acquisition;
step 11: the user mobile phone end scans the Bluetooth NB-IoT water meter proxy node and the Bluetooth water meter terminal node, establishes Bluetooth connection with the water meter needing to be communicated, reads the water meter data, and directly uploads the water meter data to the water service master station.
Further, if the broadcast signal strength of the Bluetooth equipment searched in the step 3 is greater than or equal to-50 dBm, the terminal node of the Bluetooth water meter is judged to be located at the same installation point. Further, the bidirectional encryption authentication in step 4 is an AES128 encryption algorithm.
Further, the water meter data read in step 5 is cumulative flow daily freezing data.
The invention has the beneficial effects that: by utilizing the characteristic of centralized installation of water meter equipment in the water meter well, the Bluetooth NB-IoT water meter proxy node acquires data of other Bluetooth water meter terminal nodes installed nearby through networking Bluetooth, and the data is integrally packaged and uploaded, so that the deployment quantity of NB-IoT water meter nodes can be greatly reduced, meanwhile, the power consumption of the Bluetooth water meter not matched with the NB-IoT module is reduced, a battery with smaller capacity can be selected, and extra cost benefit is brought.
Drawings
Fig. 1 is a block diagram of device node communication and data reporting of a water meter data acquisition method based on bluetooth networking.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
With reference to fig. 1, a water meter data acquisition method based on bluetooth networking is implemented based on a water service master station, an internet of things platform, a bluetooth NB-IoT water meter proxy node and a bluetooth water meter end node, and specifically includes the following steps:
step 1: when the data reporting time of the Bluetooth NB-IoT water meter is reached, the Bluetooth NB-IoT water meter proxy node is changed from a Bluetooth slave mode (peripheral) to a host scanning mode (scanner), and meanwhile, the Bluetooth water meter terminal node is in a slave mode Bluetooth broadcast sending state and sends a Bluetooth device broadcast signal (broadcaster);
step 2: the Bluetooth NB-IoT water meter proxy node starts to scan the broadcast signals of the Bluetooth equipment and sets the scanning overtime time of 1 min;
and step 3: screening out Bluetooth equipment broadcast signals which are scanned in the scanning time, have the same Bluetooth broadcast name and are positioned at the same installation point according to the Bluetooth broadcast name and the Bluetooth broadcast signal strength as screening conditions;
and 4, step 4: establishing Bluetooth connection between the Bluetooth NB-IoT water meter proxy node and the terminal node of the Bluetooth water meter corresponding to the screened Bluetooth broadcast signal, and performing bidirectional encryption authentication to confirm the identities of the two parties;
and 5: reading water meter data of a Bluetooth water meter terminal node by a Bluetooth NB-IoT water meter proxy node;
step 6: the Bluetooth NB-IoT water meter proxy node establishes connection with the Internet of things platform, and if the connection is failed, the step 11 is carried out;
and 7: the Bluetooth NB-IoT water meter proxy node integrally packages and uploads the Bluetooth NB-IoT water meter proxy node and the read data of the Bluetooth water meter terminal node to an Internet of things platform;
and 8: judging whether a Bluetooth NB-IoT water meter proxy node or a Bluetooth water meter needs to switch a valve, if so, issuing a command, and pushing the uploaded data and a command execution result to a water service master station, otherwise, directly pushing the uploaded data to the water service master station;
and step 9: judging whether data need to be reported to a user mobile phone end, if so, entering the step 10, otherwise, storing the reported data in a master station to finish the data acquisition of the water meter;
step 10: pushing data to be reported to a user mobile phone end, and finishing data acquisition;
step 11: the user mobile phone end scans the Bluetooth NB-IoT water meter proxy node and the Bluetooth water meter terminal node, establishes Bluetooth connection with the water meter needing to be communicated, reads the water meter data, and directly uploads the water meter data to the water service master station.
The above-mentioned embodiments are illustrative of the specific embodiments of the present invention, and are not restrictive, and those skilled in the relevant art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should be included in the scope of the present invention.
Claims (4)
1. A water meter data acquisition method based on Bluetooth networking is characterized by comprising the following steps:
step 1: when the data reporting time of the Bluetooth NB-IoT water meter is reached, the Bluetooth NB-IoT water meter proxy node is changed from a Bluetooth slave mode (peripheral) to a host scanning mode (scanner), and meanwhile, the Bluetooth water meter terminal node is in a slave mode Bluetooth broadcast sending state and sends a Bluetooth device broadcast signal (broadcaster);
step 2: the Bluetooth NB-IoT water meter proxy node starts to scan the broadcast signals of the Bluetooth equipment and sets the scanning overtime time of 1 min;
and step 3: screening out Bluetooth equipment broadcast signals which are scanned in the scanning time, have the same Bluetooth broadcast name and are positioned at the same installation point according to the Bluetooth broadcast name and the Bluetooth broadcast signal strength as screening conditions;
and 4, step 4: establishing Bluetooth connection between the Bluetooth NB-IoT water meter proxy node and the terminal node of the Bluetooth water meter corresponding to the screened Bluetooth broadcast signal, and performing bidirectional encryption authentication to confirm the identities of the two parties;
and 5: reading water meter data of a Bluetooth water meter terminal node by a Bluetooth NB-IoT water meter proxy node;
step 6: the Bluetooth NB-IoT water meter proxy node establishes connection with the Internet of things platform, and if the connection is failed, the step 11 is carried out;
and 7: the Bluetooth NB-IoT water meter proxy node integrally packages and uploads the Bluetooth NB-IoT water meter proxy node and the read data of the Bluetooth water meter terminal node to an Internet of things platform;
and 8: judging whether a Bluetooth NB-IoT water meter proxy node or a Bluetooth water meter needs to switch a valve, if so, issuing a command, and pushing the uploaded data and a command execution result to a water service master station, otherwise, directly pushing the uploaded data to the water service master station;
and step 9: judging whether data need to be reported to a user mobile phone end, if so, entering the step 10, otherwise, storing the reported data in a master station to finish the data acquisition of the water meter;
step 10: pushing data to be reported to a user mobile phone end;
step 11: the user mobile phone end scans the Bluetooth NB-IoT water meter proxy node and the Bluetooth water meter terminal node, establishes Bluetooth connection with the water meter, reads water meter data, and directly uploads the water meter data to the water service master station.
2. The method for collecting data of a water meter based on bluetooth networking according to claim 1, wherein the intensity of the broadcast signal of the bluetooth device searched in step 3 is greater than or equal to-50 dBm, and it is determined that the end node of the bluetooth water meter is located at the same installation point.
3. A water meter data collection method based on bluetooth networking according to claim 1, wherein the bidirectional encryption authentication in step 4 is an AES128 encryption algorithm.
4. A water meter data collection method based on bluetooth networking according to claim 1, wherein the water meter data read in step 5 is cumulative flow daily freezing data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202017.5A CN112911557A (en) | 2021-02-23 | 2021-02-23 | Water meter data acquisition method based on Bluetooth networking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110202017.5A CN112911557A (en) | 2021-02-23 | 2021-02-23 | Water meter data acquisition method based on Bluetooth networking |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375748A (en) * | 2021-06-07 | 2021-09-10 | 深圳市捷先数码科技股份有限公司 | Digital second water meter applied to water meter Internet of things |
| CN113891188A (en) * | 2021-11-10 | 2022-01-04 | 深圳市平政通科技有限公司 | Water meter system capable of reporting remotely |
| CN114979830A (en) * | 2022-05-19 | 2022-08-30 | 宁夏隆基宁光仪表股份有限公司 | BLE-based intelligent water meter cluster data transmission method and system and control equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104244170A (en) * | 2014-09-28 | 2014-12-24 | 成都金海鼎盛科技有限公司 | Low-power-consumption Bluetooth node independent networking method |
| US20200068369A1 (en) * | 2018-08-27 | 2020-02-27 | Keenstar Corporation | Iot service system with bluetooth low energy mesh network, and communication method thereof |
| CN111968358A (en) * | 2020-08-25 | 2020-11-20 | 惠州市智源物联科技有限公司 | Meter reading system and meter reading method based on narrowband Internet of things |
| CN112330945A (en) * | 2021-01-04 | 2021-02-05 | 天津赛恩能源技术股份有限公司 | Communication method of matrix type wireless NB-IoT (NB-IoT) Internet of things intelligent water meter system |
-
2021
- 2021-02-23 CN CN202110202017.5A patent/CN112911557A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244170A (en) * | 2014-09-28 | 2014-12-24 | 成都金海鼎盛科技有限公司 | Low-power-consumption Bluetooth node independent networking method |
| US20200068369A1 (en) * | 2018-08-27 | 2020-02-27 | Keenstar Corporation | Iot service system with bluetooth low energy mesh network, and communication method thereof |
| CN111968358A (en) * | 2020-08-25 | 2020-11-20 | 惠州市智源物联科技有限公司 | Meter reading system and meter reading method based on narrowband Internet of things |
| CN112330945A (en) * | 2021-01-04 | 2021-02-05 | 天津赛恩能源技术股份有限公司 | Communication method of matrix type wireless NB-IoT (NB-IoT) Internet of things intelligent water meter system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375748A (en) * | 2021-06-07 | 2021-09-10 | 深圳市捷先数码科技股份有限公司 | Digital second water meter applied to water meter Internet of things |
| CN113375748B (en) * | 2021-06-07 | 2024-04-16 | 深圳市捷先数码科技股份有限公司 | Digital second through water meter applied to water meter internet of things |
| CN113891188A (en) * | 2021-11-10 | 2022-01-04 | 深圳市平政通科技有限公司 | Water meter system capable of reporting remotely |
| CN114979830A (en) * | 2022-05-19 | 2022-08-30 | 宁夏隆基宁光仪表股份有限公司 | BLE-based intelligent water meter cluster data transmission method and system and control equipment |
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Application publication date: 20210604 |