CN214040124U

CN214040124U - Intelligent disinfection monitor of thing networking based on smell sensor

Info

Publication number: CN214040124U
Application number: CN202023332223.8U
Authority: CN
Inventors: 曹克信; 吴青海; 黄振辉; 陈惠周; 戴鲁萌
Original assignee: Yunnan Chengdaxing Intelligent Technology Co ltd
Current assignee: Yunnan Chengdaxing Intelligent Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-24
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an intelligent disinfection monitor of the Internet of things based on a smell sensor, which comprises a casing and a circuit board; the circuit board comprises a single chip microcomputer, a sensing signal conditioning circuit, an air chamber and a communication module; the machine shell is respectively provided with an air inlet and an air vent, the air chamber comprises an air chamber wall and an odor sensor, a heating element and a temperature sensor which are arranged in the air chamber, when the odor sensor senses a measured gas, the odor sensor outputs an electric signal to a sensing signal conditioning circuit, the conditioned signal is processed by the single chip microcomputer and then sent to the communication module, the communication module uploads the signal to the network and is analyzed and processed by the upper computer, meanwhile, the single chip microcomputer compares the set temperature with data sent by the temperature sensor in the air chamber, and a PWM signal with a certain duty ratio is output to the heating driving circuit according to the compared difference value so as to control the on and off of the heating element. The utility model discloses avoid the human factor in the disinfection monitoring, the monitoring result has higher confidence.

Description

Intelligent disinfection monitor of thing networking based on smell sensor

Technical Field

The utility model relates to a monitor especially relates to a thing networking intelligence disinfection monitor based on smell sensor.

Background

Since the outbreak of new coronary pneumonia, related departments and the public require to disinfect public places, and common disinfectant is ethanol solution and chlorine-containing disinfectant. But the disinfection is performed or not, and whether the concentration of the disinfection solution meets the requirement or not is difficult to measure. The existing monitoring means are generally rules and regulations, image shooting and the like, and the means have obvious defects. The disadvantages are that:

1. the regulation monitoring has more human factors, and the confidence of the monitoring result is lower.

2. The image shooting monitoring has the defects of false possibility, large data volume, large network and data equipment load and the like, and the confidence of the monitoring result is also low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a thing networking intelligence disinfection monitor based on odor sensor.

The utility model provides a technical scheme that its technical problem adopted is:

an intelligent disinfection monitor of the Internet of things based on a smell sensor comprises a shell and a circuit board; the circuit board is arranged in the shell and comprises a single chip microcomputer, a sensing signal conditioning circuit, an air chamber and a communication module; the machine shell is respectively provided with an air inlet and an air hole, the air inlet corresponds to the air chamber, the air chamber comprises an air chamber wall and an odor sensor, a heating element and a temperature sensor which are arranged in the air chamber, when the odor sensor senses the measured air, the odor sensor outputs an electric signal to a sensing signal conditioning circuit, the conditioned signal is processed by a single chip microcomputer and then is sent to a communication module, the communication module uploads the signal to a network, an upper computer analyzes and processes the signal, meanwhile, the single chip microcomputer compares the set temperature with data sent by the temperature sensor in the air chamber, and a PWM signal with a certain duty ratio is output to a heating driving circuit according to the compared difference value so as to control the conduction and the stop of the heating element and ensure the constancy of the air temperature in the air chamber.

In another preferred embodiment, the device further comprises an antenna and a power adapter.

In another preferred embodiment, the system further comprises a SIM card, wherein the communication module is connected with the SIM card, and the SIM card provides network identity and manages network communication.

In another preferred embodiment, the heating element is a power resistor, a ceramic heating rod or a power thermistor.

In another preferred embodiment, the communication module is a narrowband internet of things module, a 4G module or a 5G module.

In another preferred embodiment, the casing comprises a shell, a front panel and a rear panel, the front panel is provided with a work indicator, the rear panel is provided with a SIM card slot, an antenna port and a communication port, and the air inlet and the air vent are respectively arranged on the casing.

The utility model has the advantages that: the odor sensor is used for sensing the concentration of effective disinfection components (ethanol or chlorine) in the space of the disinfected area volatilized into the air, and whether disinfection exists in the area to be disinfected or not and whether the concentration of disinfectant meets the requirement or not are judged according to the concentration data, so that the disinfection effect is monitored.

1. Human factors in disinfection monitoring are avoided, and the monitoring result has higher confidence.

2. Intelligent monitoring is realized, and manual participation is not needed.

3. Monitoring alarm can be set, and alarm threshold can be set.

4. The monitoring results can be queried, searched, screened and analyzed.

5. Monitoring data can be pushed to the cloud platform, and data sharing is achieved.

6. The utility model can be widely applied to the disinfection monitoring of airports, hotels, stations, docks, markets, schools, hospitals and other public places and families.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the utility model discloses a thing networking intelligence disinfection monitor based on odor sensor is not limited to the embodiment.

Drawings

Fig. 1 is a block diagram of the working principle of a preferred embodiment of the present invention.

Fig. 2 is a structural view of the appearance of a preferred embodiment of the present invention.

Fig. 3 is a schematic view of direction K in fig. 2.

Fig. 4 is a front view of fig. 2 with portions broken away.

Detailed Description

In an embodiment, referring to fig. 1 to 4, the intelligent disinfection monitor for the internet of things based on the odor sensor of the present invention includes a casing, a circuit board 2, an antenna 3 and a power adapter (not shown in the figure); the shell comprises a shell body 11, a front panel 12 and a rear panel 13, wherein the front panel 12 is provided with a work indicator lamp 121, the rear panel 13 is provided with a SIM card slot 131, an antenna port 132, a communication port 133, a power port 134 and a communication indicator lamp 135, the antenna 3 is externally connected with the antenna port 132, the power adapter is a commercially available finished product, and the output end of the power adapter is connected with the power port 134.

The circuit board 2 is installed in the shell 11, and the circuit board 2 comprises a single chip microcomputer 21, a sensing signal conditioning circuit 22, an air chamber 23, a communication module 24 and a SIM card 25; the shell 11 is respectively provided with an air inlet hole 111 and an air vent 112, the air inlet hole 111 is arranged corresponding to the air chamber, the air hole 112 is arranged on the side of the shell 11, the air chamber 23 comprises an air chamber wall 235, an odor sensor 231, a heating element 232 and a temperature sensor 233 which are arranged in the air chamber, when the odor sensor 231 senses the gas to be detected, an electric signal is output to the sensing signal conditioning circuit 22, the conditioned signal is processed by the singlechip 21 and then sent to the communication module 24, the conditioned signal is uploaded to a network by the communication module 24 and is analyzed and processed by the upper computer 26, meanwhile, the singlechip 21 compares the set temperature with the data sent by the temperature sensor 233 in the air chamber, outputs a PWM signal of a certain duty ratio to the heating driving circuit 234 according to the compared difference, so as to control the on and off of the heating element 232 and ensure the constant temperature of the air in the air chamber.

In this embodiment, the heating element 232 is a power resistor, a ceramic heating rod or a power thermistor, and is used for heating the temperature of the indoor air. The temperature sensor 233 is used for measuring the temperature of the air in the space inside the air chamber, and the heating element 232, the temperature sensor 233 and the single chip microcomputer 21 form a temperature control closed loop system so as to ensure the working temperature of the odor sensor in the air chamber to be constant.

The communication module 24 is a narrowband internet of things module, a 4G module or a 5G module. The SIM card slot in the module can be inserted with an intelligent flow card (SIM card 25) or directly attached with an integrated board carrying flow card. The antenna 3 is connected to the radio frequency output end of the communication module through a high frequency cable.

The above-mentioned embodiment only is used for further explaining the utility model discloses a thing networking intelligence disinfection monitor based on odor sensor, nevertheless the utility model discloses not confine the embodiment to, all basis the utility model discloses a technical entity all falls into to any simple modification, the equivalent change and the decoration of above embodiment the utility model discloses in technical scheme's the protection scope.

Claims

1. The utility model provides a thing networking intelligence disinfection monitor based on smell sensor which characterized in that: it includes a casing and a circuit board; the circuit board is arranged in the shell and comprises a single chip microcomputer, a sensing signal conditioning circuit, an air chamber and a communication module; the machine shell is respectively provided with an air inlet and an air hole, the air inlet corresponds to the air chamber, the air chamber comprises an air chamber wall and an odor sensor, a heating element and a temperature sensor which are arranged in the air chamber, when the odor sensor senses the measured air, the odor sensor outputs an electric signal to a sensing signal conditioning circuit, the conditioned signal is processed by a single chip microcomputer and then is sent to a communication module, the communication module uploads the signal to a network, an upper computer analyzes and processes the signal, meanwhile, the single chip microcomputer compares the set temperature with data sent by the temperature sensor in the air chamber, and a PWM signal with a certain duty ratio is output to a heating driving circuit according to the compared difference value so as to control the conduction and the stop of the heating element and ensure the constancy of the air temperature in the air chamber.

2. The intelligent disinfection monitor of the internet of things based on the odor sensor as claimed in claim 1, wherein: also includes an antenna and a power adapter.

3. The intelligent disinfection monitor of the internet of things based on the odor sensor as claimed in claim 1, wherein: the communication module is connected with the SIM card, and the SIM card provides network identity and manages network communication.

4. The intelligent disinfection monitor of the internet of things based on the odor sensor as claimed in claim 1, wherein: the heating element is a power resistor, a ceramic heating rod or a power thermistor.

5. The intelligent disinfection monitor of the internet of things based on the odor sensor as claimed in claim 1, wherein: the communication module is a narrow-band Internet of things module, a 4G module or a 5G module.

6. The intelligent disinfection monitor of the internet of things based on the odor sensor as claimed in claim 1, wherein: the casing includes casing, front panel and rear panel, the front panel is equipped with the work pilot lamp, the rear panel is equipped with SIM card slot, antenna port, communication port, inlet port and bleeder vent set up respectively on the casing.