CN204856726U - Wireless Intelligence gas table based on loRa spread spectrum technic - Google Patents

Abstract

A wireless smart gas meter based on LoRa spread spectrum communication technology, comprising a housing, a metering movement disposed in the housing, a motor valve disposed in the housing, a base disposed at the front end of the housing, a front cover disposed at the front end of the base, and a device The intelligent control module and counter are located in the cavity formed by the base and the front cover. The counter is located above the intelligent control module. The intelligent control module is equipped with a LoRa spread spectrum communication module and a liquid crystal display. The base is also equipped with an IC card holder for intelligent control. The module is connected with the LoRa spread spectrum communication module, LCD screen and IC card holder. The utility model can make the remote meter reading distance of the gas meter up to more than 2km, and improves the current gas meter market "difficult to enter the household", "difficult to read the meter at the household" and "short communication distance". At the same time, through cascade networking, remote meter reading, remote recharge, remote price adjustment and remote monitoring can be realized, which facilitates the operation and management of the gas company.

Description

Wireless smart gas meter based on LoRa spread spectrum communication technology

technical field

The utility model relates to the technical field of gas meters, in particular to a wireless smart gas meter based on LoRa spread spectrum communication technology.

Background technique

With the continuous improvement of people's living standards, the urban gas industry has developed rapidly, and the number of gas residential users has increased rapidly. However, at present, most domestic gas companies use traditional membrane gas meters. In the process of use, staff need to go to the household to read the meter on a monthly basis. There are problems such as "difficult to read the meter at the household", which is difficult to meet the current huge user management needs.

In recent years, IC card membrane gas meters and wireless remote gas meters have developed rapidly. At the same time, with the call of the national policy, smart gas meters with ladder billing have been gradually developed. However, problems such as short meter reading distance, low meter reading success rate, and high power consumption continue to emerge, consuming a lot of human resources and improving the management of gas companies. The cost also brings a lot of inconvenience to the life of users.

Contents of the invention

The purpose of the utility model is to provide a wireless smart gas meter based on LoRa spread spectrum communication technology in order to overcome the deficiencies in the prior art.

The utility model is realized through the following technical solutions: a wireless intelligent gas meter based on LoRa spread spectrum communication technology, comprising a casing, a metering movement arranged in the casing, a motor valve arranged in the casing, and a valve arranged at the front end of the casing. The base, the front cover arranged at the front end of the base, and the intelligent control module and counter arranged in the cavity formed by the base and the front cover, the counter is located above the intelligent control module, and the intelligent control module is equipped with a LoRa spread spectrum communication module and a liquid crystal display , the base is also provided with an IC card holder, and the intelligent control module is connected with the LoRa spread spectrum communication module, the liquid crystal display and the IC card holder.

The front-end cover is provided with a battery box, and the front-end cover is provided with a battery cover at the front end of the battery box. A waterproof wall protruding forward is provided around the front end of the battery box, and a waterproof sealing ring is provided in the sealing ring groove of the waterproof wall. The battery cover is sealed and matched with the waterproof wall of the front end cover through a waterproof sealing ring, an alkaline battery for powering the intelligent control module is arranged in the battery box, and the card insertion port of the IC card holder is covered by the battery cover. Sealed with the waterproof wall in the battery box, the intelligent control module is provided with a lithium battery for powering the clock module of the intelligent control module.

The front-end cover and the base are sealed and matched by a sealing ring, and the front-end cover is provided with a window for the counter and the liquid crystal display to display readings.

The beneficial effects of the utility model are: the utility model is on the basis of IC card membrane gas meters and wireless remote gas meters widely used in the prior art, and uses LoRa wireless spread spectrum communication technology to enable remote meter reading of gas meters The distance is as high as more than 2km, which greatly improves the current status of "difficult to enter the household", "difficult to read the meter" and "short communication distance" in the current gas meter market. At the same time, combined with the special gas meter wireless network meter reading technology, the gas company can remotely operate the gas meter through the software background, which reduces the number of door-to-door services of the gas company and saves the human resources of the gas company to a large extent. It also improves the effective management efficiency of gas companies and the real-time monitoring effectiveness of gas users, and also facilitates people's lives. Furthermore, the utility model can also realize the terminal ladder settlement function, and can reasonably control the gas volume and gas price of the gas meter in a wireless manner, assisting the gas company to easily and conveniently realize the ladder billing of residents' living gas, which is beneficial to It saves gas consumption and has broad market application prospects.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a functional block diagram of the utility model.

In the figure: 1-shell; 2-intelligent control module; 3-metering movement; 4-motor valve; 5-counter; 6-LCD display; 7-lithium battery; 8-front cover; 9-battery cover; 10-function button; 11-base; 12-sealing ring; 13-LoRa spread spectrum communication module.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

As shown in Figure 1, a wireless smart gas meter based on LoRa spread spectrum communication technology includes a housing 1, an intelligent control module 2, a LoRa spread spectrum communication module 13, a metering movement 3, a motor valve 4, a counter 5, and a liquid crystal display The screen 6, the front cover 8 and the function button 10, the metering movement 3 is arranged in the protective casing 1, and the motor valve 4 is arranged above the metering movement 3, and the metering movement 3, the motor valve 4 and the protective casing 1 form a complete gas meter , The gas meter is fixedly connected with a base 11, and the base 11 is equipped with an intelligent control module 2, a counter 5 and a sealing ring 12, the counter 5 is set above the intelligent control module 2, and the intelligent control module 2 is equipped with LoRa spread spectrum communication The module 13 and the liquid crystal display 6 are used for displaying gas consumption data and price information, and the front cover 8 is provided with function buttons 10 .

The LoRa spread spectrum communication module 13 adopts the wireless chip of LoRa spread spectrum communication technology, which has high signal sensitivity and high anti-interference, and through the special wireless meter reading communication protocol, the communication distance of the wireless smart gas meter can reach more than 2km, which is more than the traditional peers. The meter reading performance of the wireless gas meter is greatly improved; at the same time, the gas meter can be cascaded and networked by network devices (wireless routers and GPRS wireless concentrators) at the transport layer, and remote meter reading and remote meter reading can be realized through the network after networking. Management functions such as recharge, remote price adjustment, and remote monitoring facilitate the operation and management of gas companies to a large extent.

As shown in Figure 2, the wireless smart gas meter based on LoRa spread spectrum communication technology includes an intelligent control module, a LoRa spread spectrum communication module, a valve control module, a liquid crystal display module, a lithium battery, a sampling module, a query module, and an IC card reading and writing module And lithium battery and alkaline battery dual power management module, intelligent control module and LoRa spread spectrum communication module, valve control module, liquid crystal display module, sampling module, query module, IC card reading and writing module, real-time clock module and dual power management module connection.

Referring to Fig. 1, the front cover 8 and the base 11 cooperate with the sealing ring 12 to seal the intelligent control module 2 and the counter 5 together, and the front cover 8 is provided with a window for the counter 5 and the liquid crystal display 6 to display readings, which is convenient for users to read data.

As shown in Figure 1, the front end cover 8 is provided with a battery box, the front end cover 8 is provided with a battery cover 9 at the front end of the battery box, and a waterproof wall protruding forward is arranged around the front end of the battery box, and the seal ring groove of the waterproof wall A waterproof sealing ring is provided, and the battery cover 9 is sealed and matched with the waterproof wall of the front end cover 8 through the waterproof sealing ring. The battery box is provided with an alkaline battery for supplying power to the intelligent control module, and the card slot of the IC card holder is covered by the battery cover 9. Sealed in the battery box with the waterproof wall, the intelligent control module 2 is provided with a lithium battery for powering the clock module of the intelligent control module 2 .

When working, the clock module of the gas meter is used to ensure the accuracy of the time in the gas meter. When the external alkaline battery is removed, the clock module is powered by the lithium battery 7 in the gas meter to ensure that the clock will not stop and ensure accuracy. The accuracy of time is the prerequisite for the completion of smart gas meters to realize step-by-step billing.

The utility model can assist the gas company to easily and conveniently realize the step-by-step pricing of residents' living gas, save gas and rationally use gas, facilitate the use of users, and at the same time ease the service volume of the gas company to a large extent, effectively improving The gas company's meter reading efficiency and operation management level have been improved.

Finally, it should be noted that the basic principles, main features and advantages of the utility model have been described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model, and the claimed scope of the utility model is defined by the appended claims and their equivalents.

Claims (3)

1. A wireless smart gas meter based on LoRa spread spectrum communication technology, characterized in that: the wireless smart gas meter based on LoRa spread spectrum communication technology includes a casing, a metering movement arranged in the casing, a metering movement arranged in the casing The motor valve, the base set at the front end of the shell, the front cover set at the front end of the base, and the intelligent control module and counter set in the cavity formed by the base and the front cover, the counter is located above the intelligent control module, and LoRa is installed on the intelligent control module A spread spectrum communication module and a liquid crystal display screen, the base is also provided with an IC card holder, and the intelligent control module is connected with the LoRa spread spectrum communication module, the liquid crystal display screen and the IC card holder. 2. The wireless smart gas meter based on LoRa spread spectrum communication technology according to claim 1, characterized in that: the front end cover is provided with a battery box, the front end cover is provided with a battery cover at the front end of the battery box, and the front end of the battery box A waterproof wall protruding forward is arranged around it, and a waterproof sealing ring is arranged in the sealing ring groove of the waterproof wall. The battery cover is sealed and matched with the waterproof wall of the front end cover through the waterproof sealing ring, and a useful For the alkaline battery that supplies power to the intelligent control module, the card insertion port of the IC card holder is sealed in the battery box by the battery cover and the waterproof wall, and the intelligent control module is provided with a Lithium battery powering the clock module. 3. The wireless smart gas meter based on LoRa spread spectrum communication technology according to claim 2, characterized in that: the front cover and the base are sealed and matched by a sealing ring, and the front cover is provided with a The counter and the LCD display a window for displaying readings.