CN206610423U - Secondary groups net wireless long-distance meter-reading system - Google Patents

Abstract

The utility model relates to the field of water meters, in particular to a secondary network wireless remote meter reading system. The meter reading system provided by the utility model includes a water meter, a concentrator, a collector, and a server; the collector includes a double Hall pulse sensor and a first Lora wireless module; The above water meter is connected; the concentrator includes a GPRS communication module and a second Lora wireless module; the second Lora wireless module of the concentrator is connected to the first Lora wireless module of more than one collector; More than one concentrator is connected to the server through the GPRS communication module. Realize that the server can collect the water consumption of users in each community in a wide range, and the on-site maintenance is convenient.

Description

Secondary networking wireless remote meter reading system

technical field

The utility model relates to the field of water meters, in particular to a secondary network wireless remote meter reading system.

Background technique

Lora is an ultra-long-distance wireless transmission solution based on spread spectrum technology, providing users with a simple system that can achieve long-distance, long battery life, and large capacity, and then expand the sensor network. The utility model combines micro-power consumption wireless Lora technology with GPRS network technology, and designs a set of secondary networking wireless meter reading system for household water meters. The first level uses Lora wireless sensor communication technology in the household water meter community. , outside the household water meter community, that is, the second level adopts GPRS remote communication technology. The system has the characteristics of low power consumption, low cost, strong anti-interference ability, self-organizing network and self-adaptation, and has strong portability and compatibility.

Utility model content

The technical problem to be solved by the utility model is: to provide a secondary network wireless remote meter reading system, so that the server can collect the water consumption of users in each community in a wide range, and the on-site maintenance is convenient.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

The utility model provides a secondary network wireless remote meter reading system, including a water meter, a concentrator, a collector, and a server;

The collector includes a double Hall pulse sensor, the first Lora wireless module;

The collector is connected to more than one water meter through the dual Hall pulse sensor;

Described concentrator comprises GPRS communication module, the second Lora wireless module;

The second Lora wireless module of the concentrator is connected to the first Lora wireless module of more than one collector;

More than one concentrator is connected to the server through the GPRS communication module.

The beneficial effect of the utility model is that: the utility model designs a secondary networking wireless meter reading system of household water meters by combining micro-power consumption Lora wireless technology and GPRS network technology, which can be used immediately in the household water meter community. The first level sends the data collected by the collector through the double Hall pulse sensor to the concentrator through the Lora wireless module. Outside the household water meter community, that is, the second level uses the GPRS communication module to The data sent by the collector is forwarded to the remote server, so that the remote server can collect the water consumption of users in each community in a wide range, so that the use of water resources and allocation planning can be reasonably obtained. The secondary network wireless remote meter reading system provided by the utility model has the characteristics of low power consumption, low cost, strong anti-interference ability, self-organizing network and self-adaptation, and has strong portability and compatibility.

Description of drawings

Fig. 1 is the structural block diagram of the specific embodiment of the secondary networking wireless remote meter reading system provided by the utility model;

Fig. 2 is the structural block diagram of the specific embodiment of the collector provided by the utility model;

Fig. 3 is the structural block diagram of the specific embodiment of the concentrator provided by the utility model;

Fig. 4 is the structural block diagram of the specific embodiment of bluetooth signal and Lora wireless signal conversion module that the utility model provides;

Label description:

1. Water meter;

2. Concentrator; 21. GPRS communication module; 22. The second Lora wireless module; 23. The second PIC microcontroller; 24. The second storage module; 25. The second RS232 interface; 26. The second power supply module; 27. The second Two timers; 28, the second USB interface;

3. Collector; 31. Dual Hall pulse sensor; 32. The first Lora wireless module; 33. The first PIC microcontroller; 34. The first storage module; 35. The first RS232 interface; 36. The first power supply module; 37 . Valve control module; 38. The first timer; 39. The first USB interface;

4. Server; 5. Mobile device;

6. Bluetooth signal and Lora wireless signal conversion module; 61. Bluetooth module; 62. The third PIC microcontroller; 63. The third Lora wireless module; 64. Weak power supply circuit; 65. Lithium battery; 66. Power switch.

detailed description

In order to describe the technical content, the achieved purpose and the effect of the present utility model in detail, the following will be described in conjunction with the embodiments and accompanying drawings.

The most critical idea of the utility model is: the utility model designs a secondary networking wireless meter reading system of household water meters by combining the micro-power consumption Lora wireless technology and the GPRS network technology.

Glossary:

Please refer to Figure 1 to Figure 4,

The utility model provides a secondary network wireless remote meter reading system, including a water meter 1, a concentrator 2, a collector 3, and a server 4;

The collector 3 includes a dual Hall pulse sensor 31, a first Lora wireless module 32;

The collector 3 is connected to more than one water meter 1 through the dual Hall pulse sensor 31;

Described concentrator 2 comprises GPRS communication module 21, the second Lora wireless module 22;

The second Lora wireless module 22 of the concentrator 2 is connected to the first Lora wireless module 32 of more than one collector 3;

The server 4 is connected to more than one concentrator 2 through the GPRS communication module 21 .

Further, mobile device 5 and Bluetooth signal and Lora wireless signal conversion module 6 are also included;

The mobile device 5 is connected with the collector 3 or the concentrator 2 through the Bluetooth signal and the Lora wireless signal conversion module 6;

Described bluetooth signal and Lora wireless signal conversion module 6 comprise bluetooth module 61, the 3rd PIC single-chip microcomputer 62, the 3rd Lora wireless module 63, weak electric power supply circuit 64, lithium battery 65 and power switch 66;

Described bluetooth module 61 is connected with described the 3rd PIC single-chip microcomputer 62;

The third PIC microcontroller 62 is connected with the third Lora wireless module 63;

The bluetooth module 61, the third PIC microcontroller 62 and the third Lora wireless module 63 are respectively connected to the weak current power supply circuit 64;

The weak current power supply circuit 64 is connected to the power switch 66 through the lithium battery 65 .

It can be seen from the above description that the Bluetooth module embedded in the Bluetooth signal and Lora wireless signal conversion module receives the parameter information of the mobile device setting collector, concentrator, and water meter, and converts the parameter information into Lora wireless signal through the third PIC microcontroller. Send the Lora wireless signal with parameter information to the collector, concentrator, water meter and other equipment through the Lora wireless module, so that the parameter information of the water meter, collector and concentrator in the meter reading system can be set through the mobile device on the site of the community. When the meter reading system fails, it is convenient for engineers to check and repair on site.

Further, the collector 3 also includes a first PIC microcontroller 33, a first storage module 34, a first RS232 interface 35, a first power supply module 36, and a valve control module 37;

The first PIC microcontroller 33 is connected with the mains by the first power supply module 36;

The first PIC microcontroller 33 is connected with the valve of the water meter 1 through the valve control module 37;

The dual Hall pulse sensor 31, the first Lora wireless module 32, the first storage module 34, and the first RS232 interface 35 are connected to the first PIC microcontroller 33 respectively.

It can be seen from the above description that the collector collects the pulse signal of the water meter through the double Hall pulse sensor, converts the pulse signal into metering data, and stores the metering data in the first storage module in an orderly manner. The data stored in the first storage module is remotely transmitted to the concentrator through the first Lora wireless module at a preset time interval; the engineer can connect the PC terminal to the collector through the RS232 interface to set the parameters of the collector or check whether the collector is malfunction.

Further, the collector 3 also includes a first timer 38;

The first timer 38 is connected with the first PIC microcontroller 33 .

It can be seen from the above description that the collector has both active and passive trigger modes. Specifically, when the first timer reaches the preset duration, or when the first PIC microcontroller receives a data forwarding instruction sent by an external device, it will automatically trigger the first wireless Lora module to obtain data from the first storage device and forward the data to Concentrator.

Further, the concentrator 2 also includes a second PIC microcontroller 23, a second storage module 24, a second RS232 interface 25, and a second power supply module 26;

The second PIC microcontroller 23 is connected with the mains by the second power supply module 26;

Described GPRS communication module 21, described second Lora wireless module 22, described second memory module 24, described second RS232 interface 25 are connected with described second PIC single-chip microcomputer 23 respectively.

It can be seen from the above description that the concentrator plays a role of connecting the previous and the next. The concentrator can manage the collectors within a fixed range. The front-end manages the collectors within its signal coverage through the Lora wireless module, and the back-end establishes a GPRS communication link with the server. road. The metering, log and other data in the collector are summarized and stored in the concentrator within a specific period of time. The concentrator transmits data through the data link established with the server, and the control instructions in the server can also be sent to the collector through the concentrator.

Further, the concentrator 2 also includes a second timer 27;

The second timer 27 is connected with the second PIC microcontroller 23 .

It can be seen from the above description that the concentrator has both active and passive trigger modes. Specifically, when the second timer reaches a preset duration, or when the second PIC microcontroller receives a data forwarding instruction sent by an external device, the GPRS communication module is automatically triggered to obtain data from the second storage device and forward the data to the server.

Further, the collector 3 also includes a first USB interface 39; the first USB interface 39 is connected to the first PIC microcontroller 33.

It can be seen from the above description that when the network or equipment fails, the concentrator cannot obtain the data in the collector. The corresponding data can be obtained from the first storage device of the water meter, and the water meter data can be copied conveniently.

Further, the concentrator 2 also includes a second USB interface 28; the second USB interface 28 is connected to the second PIC microcontroller 23.

It can be seen from the above description that when the network or equipment fails, the server cannot obtain the data in the concentrator. The corresponding data is obtained from the second storage device of the device, and the water meter data can be copied conveniently.

Example:

Secondary network wireless remote meter reading system, including water meter, concentrator, collector, server, mobile device, Bluetooth signal and Lora wireless signal conversion module;

The collector includes a double Hall pulse sensor, a first Lora wireless module, a first PIC microcontroller, a first storage module, a first RS232 interface, a first power supply module, a valve control module, a first timer, and a USB interface; The collector is connected to more than one water meter through the double Hall pulse sensor; the first PIC microcontroller is connected to the mains through the first power supply module; the first PIC microcontroller is connected to the mains through the valve control module It is connected with the valve of the water meter; the first storage module, the first RS232 interface, the first timer and the first USB interface are respectively connected with the first PIC microcontroller;

The concentrator includes a GPRS communication module, a second Lora wireless module, a second PIC microcontroller, a second storage module, a second RS232 interface, a second power supply module, a second timer, and a second USB interface; the second PIC The single-chip microcomputer is connected with the mains by the second power supply module; the second storage module, the second RS232 interface, the second timer and the second USB interface are respectively connected with the second PIC single-chip microcomputer; The second Lora wireless module of the concentrator is connected to the first Lora wireless module of more than one collector; more than one concentrator is connected to the server through the GPRS communication module;

Among them, the first RS232 interface and the second RS232 interface can be connected to the PC terminal, which is convenient for factory debugging of collectors or concentrators, development of factory debugging software, testing of product performance and functions, and setting of initialization parameters. Save the excel. It is convenient for product inquiry and traceability.

The mobile device is connected with the collector or the concentrator through the Bluetooth signal and Lora wireless signal conversion module; the Bluetooth signal and Lora wireless signal conversion module includes a Bluetooth module, a third PIC microcontroller, a third Lora wireless Module, weak power supply circuit, lithium battery and power switch; The bluetooth module is connected with the third PIC single-chip microcomputer; The third PIC single-chip microcomputer is connected with the third Lora wireless module; The bluetooth module, the third The PIC microcontroller and the third Lora wireless module are respectively connected to the weak current power supply circuit; the weak current power supply circuit is connected to the power switch through the lithium battery.

Wherein, the mobile device includes a smart phone terminal. The bluetooth of the mobile phone is directly connected to the bluetooth module of the concentrator to complete the on-site setting and reading of the parameters of the concentrator. The Bluetooth of the mobile phone completes the on-site setting and other operations of the collector parameters through the Bluetooth signal and the Lora wireless signal conversion module. The first-level menu of the mobile terminal software includes three IoT water meters, collectors, and concentrators. The user selects the corresponding setting option to enter the parameter setting page of the corresponding product. The main functions are as follows:

a) The meter can be controlled through the mobile device, including initial frequency band setting, collector time setting, concentrator time setting, upload time setting, and collector wake-up time setting;

b) Inquiry operations can be performed through mobile devices, including: checking new user file numbers, collector IDs, water meter IDs, concentrator IDs, water meter stamps, etc.;

c) The collector valve can be controlled in real time through the mobile device;

d) Collector and concentrator parameters can be set through mobile devices, including wireless modules, etc.;

e) Collector nodes can be added and deleted through mobile devices;

Among them, the Bluetooth module provides an external Bluetooth connection channel and supports the Bluetooth BLE4.0 protocol. The data transfer is completed through the serial port operation of the PIC24 microcontroller. The Bluetooth module can realize the parameter setting of the Bluetooth module through the AT command of the PIC microcontroller. The main functions and features are as follows:

a) The Bluetooth module receives the data seamlessly through the third Lora wireless module;

b) 3.7V lithium battery power supply, with charging management module, LCD display voltage, current, power consumption;

c) The standby time can be set, and the CPU adopts PICFJ128GA306;

d) The SX1278Lora wireless module completes the information exchange with the water meter, and operates, reads and writes the smart water meter and other settings through the wireless 433M frequency;

e) The weak current power supply circuit provides power to the Bluetooth module, PIC microcontroller, and the third Lora wireless module. Powered by a 3.7V rechargeable lithium battery or 5V DC.

f) The power of the device can be turned off and on through the power switch to prolong the working time of the Bluetooth signal and Lora wireless signal conversion module. You can also set the Bluetooth signal and Lora wireless signal conversion module to sleep mode;

g) The third Lora wireless module independently sets the working frequency point, which is different from the working frequency point of the Lora wireless module in the collector and concentrator.

In summary, the secondary network wireless remote meter reading system provided by the utility model designs a secondary network wireless meter reading system for household water meters by combining micro-power Lora wireless technology and GPRS network technology In the household water meter community, that is, the first level sends the data collected by the collector through the double Hall pulse sensor to the concentrator through the Lora wireless module, and outside the household water meter community, that is, the second level transmits the centralized The data sent by each collector in the community collected by the controller is forwarded to the remote server, so that the remote server can collect the water consumption of users in each community in a wide range, so that the use of water resources and allocation planning can be reasonably obtained. The secondary network wireless remote meter reading system provided by the utility model has the characteristics of low power consumption, low cost, strong anti-interference ability, self-organizing network and self-adaptation, and has strong portability and compatibility.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent transformations made by using the utility model specification and accompanying drawings, or directly or indirectly used in related technical fields, are all the same. The theory is included in the patent protection scope of the present utility model.

Claims (8)

1. The secondary network wireless remote meter reading system is characterized in that it includes a water meter, a concentrator, a collector, and a server; The collector includes a double Hall pulse sensor, the first Lora wireless module; The collector is connected to more than one water meter through the dual Hall pulse sensor; Described concentrator comprises GPRS communication module, the second Lora wireless module; The second Lora wireless module of the concentrator is connected to the first Lora wireless module of more than one collector; More than one concentrator is connected to the server through the GPRS communication module. 2. The secondary networking wireless remote meter reading system according to claim 1, further comprising a mobile device and a Bluetooth signal and a Lora wireless signal conversion module; The mobile device is connected to the collector or the concentrator through the Bluetooth signal and the Lora wireless signal conversion module; Described bluetooth signal and Lora wireless signal conversion module comprise bluetooth module, the 3rd PIC single-chip microcomputer, the 3rd Lora wireless module, weak power supply circuit, lithium battery and power switch; The bluetooth module is connected with the third PIC microcontroller; The third PIC microcontroller is connected with the third Lora wireless module; The bluetooth module, the third PIC microcontroller and the third Lora wireless module are respectively connected to the weak current power supply circuit; The weak current power supply circuit is connected to the power switch through the lithium battery. 3. The secondary networking wireless remote meter reading system according to claim 1, wherein the collector also includes a first PIC microcontroller, a first storage module, a first RS232 interface, a first power supply module, and a valve control module; The first PIC microcontroller is connected to the mains by the first power supply module; The first PIC microcontroller is connected with the valve of the water meter through the valve control module; The dual Hall pulse sensor, the first Lora wireless module, the first storage module, and the first RS232 interface are respectively connected to the first PIC microcontroller. 4. the secondary networking wireless remote meter reading system according to claim 3, is characterized in that, the collector also includes a first timer; The first timer is connected with the first PIC microcontroller. 5. The secondary networking wireless remote meter reading system according to claim 1, wherein said concentrator also includes a second PIC microcontroller, a second storage module, a second RS232 interface, and a second power supply module; The second PIC microcontroller is connected to the mains by the second power supply module; The GPRS communication module, the second Lora wireless module, the second storage module, and the second RS232 interface are respectively connected to the second PIC microcontroller. 6. The secondary networking wireless remote meter reading system according to claim 5, wherein the concentrator also includes a second timer; The second timer is connected with the second PIC microcontroller. 7. The secondary networking wireless remote meter reading system according to claim 3, wherein the collector further comprises a first USB interface; the first USB interface is connected to the first PIC microcontroller. 8. The secondary network wireless remote meter reading system according to claim 5, wherein the concentrator further comprises a second USB interface; the second USB interface is connected to the second PIC microcontroller.