CN213458381U

CN213458381U - NB-IOT gas leakage alarm remote transmission module

Info

Publication number: CN213458381U
Application number: CN202022120034.8U
Authority: CN
Inventors: 王鹏军; 韩海涛; 康洞宾; 徐英淇; 邢龙龙
Original assignee: Zhengzhou Ruilian Intelligent Technology Co ltd
Current assignee: Zhengzhou Ruilian Intelligent Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-15
Anticipated expiration: 2030-09-24

Abstract

The utility model provides a NB-IOT gas leakage alarm teletransmission module, including the shell of cavity structure, the inside of shell is provided with control circuit, one end of shell is provided with the inlet hood, the other end of shell is provided with the sucking disc, the side of shell is provided with the antenna house, the inside of antenna house is provided with the antenna; the end of the air inlet cover, which is far away from the shell, is provided with a nixie tube, and the side surface of the air inlet cover is provided with an air inlet in a surrounding manner. The utility model discloses the inside of well inlet hood is through air inlet and outside intercommunication, detects the natural gas concentration in the outside air, and the charactron can show the natural gas concentration that detects in real time, and when detecting on-the-spot natural gas concentration and surpassing the setting value, control circuit passes through the antenna and sends alarm signal to remote control center, reminds remote monitoring personnel in time to handle, avoids taking place the incident, promotes the security.

Description

NB-IOT gas leakage alarm remote transmission module

Technical Field

The utility model belongs to the technical field of the gas leakage alarm device, concretely relates to warning teletransmission module is leaked in NB-IOT gas.

Background

The natural gas is used as a fuel for people to use the stove on fire when cooking dishes in daily life, and brings great convenience for cooking dishes. However, with the development and utilization of natural gas and the improvement of technology, the natural gas is widely used in daily life, but during the use of natural gas, various problems can occur, such as: the corruption of the pipeline, the leakage of the joint, and the forgetting to turn off the gas or turn off the cooking bench to turn on the switch after being used sometimes all cause very important loss to people's life and lives and property, so that an alarm is needed to detect the natural gas in the cooking stove in real time under the condition of using the natural gas cooking stove.

Among the prior art, chinese utility model patent that application number is CN201720036182.7 discloses a domestic natural gas alarm device, including the control panel, be equipped with main control unit, clock module, touch-sensitive screen, audible-visual annunciator, battery on the control panel and locate natural gas concentration sensor and the flame sensor of natural gas outlet pipe both ends mouth respectively, battery, clock module, audible-visual annunciator, natural gas concentration sensor and flame sensor all are connected with main control unit.

However, in the prior art, when natural gas leakage occurs, only an audible and visual alarm can give an alarm and light to remind field personnel, but leakage caused by corrosion of pipelines, joints and the like often occurs under the condition that no person is at home, so that leakage cannot be found in time, and the leakage is difficult to be treated in advance.

Therefore, it is necessary to design an NB-IOT gas leakage alarm remote transmission module that can not only remind field personnel but also remind a remote monitoring center when natural gas leaks, so as to solve the technical problem at present.

Disclosure of Invention

To exist not enough among the prior art, the utility model provides a not only can remind the site personnel when natural gas leaks, can remind remote monitoring center's NB-IOT gas to leak warning teletransmission module simultaneously.

The technical scheme of the utility model is that: the NB-IOT gas leakage alarm remote transmission module comprises a shell with a cavity structure, wherein a control circuit is arranged in the shell, an air inlet cover is arranged at one end of the shell, a sucking disc is arranged at the other end of the shell, an antenna housing is arranged on the side surface of the shell, and an antenna is arranged in the antenna housing; the end of the air inlet cover, which is far away from the shell, is provided with a nixie tube, and the side surface of the air inlet cover is provided with an air inlet in a surrounding manner.

The control circuit includes: a single chip microcomputer; the power supply circuit is used for supplying power to the NB-IOT gas leakage alarm remote transmission module; the gas sensor is used for detecting the concentration of gas and is connected with the singlechip through an A/D conversion circuit; the sound alarm is used for giving out alarm sound and is connected with the single chip microcomputer; the display circuit is used for displaying the concentration of the detected gas and is connected with the singlechip; the NB-IOT communication circuit is used for communicating with an upper computer and is connected with the single chip microcomputer; the nixie tube is connected with the display circuit, and the antenna is connected with the NB-IOT communication circuit.

The singlechip is the minimum system of STM32 singlechip.

The gas sensor is a combustible gas methane sensor.

The NB-IOT communication circuit is based on an NB-IOT communication circuit of an M5311 chip.

The nixie tube is a three-position nixie tube.

One end of the shell is provided with four suckers, and the four suckers are uniformly distributed at one end of the shell.

The utility model has the advantages that: the utility model discloses the inside of well inlet hood is through air inlet and outside intercommunication, detects the natural gas concentration in the outside air, and the charactron can show the natural gas concentration that detects in real time, and when detecting on-the-spot natural gas concentration and surpassing the setting value, control circuit passes through the antenna and sends alarm signal to remote control center, reminds remote monitoring personnel in time to handle, avoids taking place the incident, promotes the security.

Drawings

Fig. 1 is one of the external structural diagrams of the present invention.

Fig. 2 is a second external structural diagram of the present invention.

Fig. 3 is a schematic block diagram of the control circuit of the present invention.

Detailed Description

The following describes the embodiments of the present invention with reference to the drawings and examples.

As shown in fig. 1 to 3, the NB-IOT gas leakage alarm remote transmission module includes a housing 1 having a cavity structure, a control circuit is disposed inside the housing 1, an air inlet cover 3 is disposed at one end of the housing 1, a suction cup 5 is disposed at the other end of the housing 1, an antenna cover 2 is disposed on a side surface of the housing 1, an antenna (not shown in an antenna diagram) is disposed inside the antenna cover 2, the antenna cover 2 has a cavity structure integrated with and communicated with the housing 1, and the antenna is disposed inside the antenna cover 2; a nixie tube 6 is arranged at one end of the air inlet cover 3, which is far away from the shell 1, and an air inlet 4 is arranged on the side surface of the air inlet cover 3 in a surrounding manner; in this embodiment, the inside of inlet hood 3 is through air inlet 4 and outside intercommunication, detects the natural gas concentration in the outside air, and charactron 6 can show the natural gas concentration that detects in real time, and when detecting on-the-spot natural gas concentration and surpassing the setting value, control circuit passes through the antenna and sends alarm signal to remote control center, reminds remote monitoring personnel in time to handle, avoids taking place the incident, promotes the security.

As shown in fig. 3, as a specific implementation manner of the control circuit in the above embodiment, the control circuit includes: a single chip microcomputer; the power supply circuit is used for supplying power to the NB-IOT gas leakage alarm remote transmission module; the gas sensor is used for detecting the concentration of gas and is connected with the singlechip through an A/D conversion circuit; the sound alarm is used for giving out alarm sound, the sound alarm is connected with the single chip microcomputer, the sound alarm is provided with a buzzer, when the detected gas concentration is higher than a set value, the buzzer in the sound alarm starts to give out buzzing sound to remind field personnel of paying attention, the buzzer is fixed inside the shell 1, and the buzzing sound can be conveniently transmitted outwards through the gas inlet 4; the display circuit is used for displaying the concentration of the detected gas and is connected with the singlechip; the NB-IOT communication circuit is used for communicating with an upper computer, wherein the upper computer is a remote control center, and the communication mode of the NB-IOT communication circuit and the upper computer or the remote control center is well known by technical personnel in the field, so that the details are not repeated; the NB-IOT communication circuit is connected with the single chip microcomputer; the nixie tube is connected with the display circuit, and the antenna is connected with the NB-IOT communication circuit.

More specifically, the power supply circuit is provided with a power supply converting AC220V into DC24V, the output end of the power supply converting AC220V into DC24V is connected with a circuit converting DC24V into DC12V, the output end of the circuit converting DC24V into DC12V is connected with a circuit converting DC12V into DC5V, and the output end of the circuit converting DC12V into DC5V is connected with a circuit converting DC5V into DC3.3V; the single chip microcomputer is an STM32 single chip microcomputer minimum system, wherein DC3.3V output by a DC 5V-DC3.3V circuit is used for supplying power to the STM32 single chip microcomputer; the gas sensor is a combustible gas methane sensor MP-4 combustible gas methane sensor, and an output signal of the MP-4 combustible gas methane sensor is amplified by an amplifying circuit and then converted into digital quantity by an A/D conversion circuit to be sent to the singlechip.

Further, the NB-IOT communication circuit is an NB-IOT communication circuit based on an M5311 chip.

Further, the nixie tube is a three-position nixie tube.

In order to promote the stability of NB-IOT gas leakage warning teletransmission module installation, the one end of shell 1 is provided with four sucking disc 5, four sucking disc 5 are in the one end evenly distributed of shell, because inside natural gas line generally was in the kitchen, the kitchen is inside mostly to be the ceramic tile, and the ceramic tile surface is smooth, and general double faced adhesive tape can't be stable fixed with warning teletransmission module, can fix warning teletransmission module stable absorption on the ceramic tile through sucking disc 5, and four sucking discs 4 can further promote absorbent stability.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An NB-IOT gas leakage alarm remote transmission module is characterized by comprising a shell with a cavity structure, wherein a control circuit is arranged in the shell, an air inlet cover is arranged at one end of the shell, a sucker is arranged at the other end of the shell, an antenna housing is arranged on the side surface of the shell, and an antenna is arranged in the antenna housing; the end of the air inlet cover, which is far away from the shell, is provided with a nixie tube, and the side surface of the air inlet cover is provided with an air inlet in a surrounding manner.

2. The NB-IOT gas leakage alarm remote sensing module according to claim 1, wherein the control circuit comprises:

a single chip microcomputer;

the power supply circuit is used for supplying power to the NB-IOT gas leakage alarm remote transmission module;

the gas sensor is used for detecting the concentration of gas and is connected with the singlechip through an A/D conversion circuit;

the sound alarm is used for giving out alarm sound and is connected with the single chip microcomputer;

the display circuit is used for displaying the concentration of the detected gas and is connected with the singlechip;

the NB-IOT communication circuit is used for communicating with an upper computer and is connected with the single chip microcomputer;

the nixie tube is connected with the display circuit, and the antenna is connected with the NB-IOT communication circuit.

3. The NB-IOT gas leakage alarm remote sensing module according to claim 2, wherein: the singlechip is the minimum system of STM32 singlechip.

4. The NB-IOT gas leakage alarm remote sensing module according to claim 2, wherein: the gas sensor is a combustible gas methane sensor.

5. The NB-IOT gas leakage alarm remote sensing module according to claim 2, wherein: the NB-IOT communication circuit is based on an NB-IOT communication circuit of an M5311 chip.

6. The NB-IOT gas leakage alarm remote sensing module according to claim 2, wherein: the nixie tube is a three-position nixie tube.

7. The NB-IOT gas leakage alarm remote sensing module according to claim 1, wherein: one end of the shell is provided with four suckers, and the four suckers are uniformly distributed at one end of the shell.