CN211906106U

CN211906106U - Cellar environment monitoring system

Info

Publication number: CN211906106U
Application number: CN202021107398.6U
Authority: CN
Inventors: 许弋; 戴新敏
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-11-10
Anticipated expiration: 2030-06-16

Abstract

The utility model relates to an environment monitoring system, especially a cellar for storing things environment monitoring system. The system comprises an environmental data acquisition unit, an A/D conversion module, an infrared human body induction probe, a system control unit, an action response unit, a display unit and a display; the system control unit is respectively connected with the A/D conversion module, the infrared human body induction probe, the action response unit and the display unit; the environment data acquisition unit is connected with the A/D conversion module; the infrared human body induction probe is arranged at the opening of the cellar and is used for detecting whether a person enters the cellar or not; the display unit is connected with the display; the A/D conversion module, the system control unit and the display unit are packaged in the same shell, and the display is installed on the shell. The system is reasonable in structure, can effectively adjust the humidity of the cellar, intelligently ventilates, sterilizes at regular time, prompts whether to be safe or not to the entering personnel through the audible and visual alarm, improves the safety of the entering personnel, and effectively ensures the life.

Description

Cellar environment monitoring system

Technical Field

The utility model relates to an environment monitoring system, especially a cellar for storing things environment monitoring system.

Background

In northern rural areas, households often store melons and fruits and vegetables such as potatoes and Chinese cabbages in a cellar, the vegetables are placed in the cellar, oxygen is continuously consumed due to respiration of the households, carbon dioxide is released, oxygen concentration in the cellar is continuously reduced and carbon dioxide concentration is continuously increased due to the closed environment of the cellar, meanwhile, due to the humid environment in the cellar, the melons and fruits and vegetables are easy to rot, rotten vegetables easily generate toxic hydrogen sulfide gas, the hydrogen sulfide gas is accumulated in the cellar, and people are easy to be poisoned, suffocated and even die after entering the cellar. Therefore, it is important to install a low-cost and reliable cellar environment monitoring and regulating system in the cellar.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a cellar for storing things environmental monitoring system, through the sensor of installation, send cellar for storing things environmental data into the microprocessor of system, realize intelligent ventilation, dehumidification and disinfection through microprocessor.

The utility model discloses an adopt following technical scheme to realize:

the cellar environment monitoring system comprises an environment data acquisition unit, an A/D conversion module, an infrared human body induction probe, a system control unit, an action response unit, a display unit and a display; the system control unit is respectively connected with the A/D conversion module, the infrared human body induction probe, the action response unit and the display unit; the environment data acquisition unit is connected with the A/D conversion module; the infrared human body induction probe is arranged at the opening of the cellar and is used for detecting whether a person enters the cellar or not; the display unit is connected with the display; the A/D conversion module, the system control unit and the display unit are packaged in the same shell, and the display is installed on the shell.

The environment data acquisition unit is used for acquiring the humidity, the hydrogen sulfide concentration, the oxygen concentration and the carbon dioxide concentration of the cellar, and comprises a humidity sensor, a hydrogen sulfide sensor, an oxygen sensor and a carbon dioxide sensor which are arranged in the cellar.

Because the output signal of the sensor that environmental data acquisition unit used is all relatively weak, needs enlarge, the utility model discloses the equal built-in amplifier circuit of humidity transducer, hydrogen sulfide sensor, oxygen sensor and the carbon dioxide sensor of well adoption, the amplifier circuit supporting with the sensor encapsulates into a whole promptly, conveys AD conversion module after enlargiing the environmental data of gathering environmental data acquisition unit.

The A/D conversion module adopts an A/D conversion circuit and is used for converting the analog signal into a digital signal and sending the digital signal to the system control unit.

The system control unit adopts an STC15W1K16S singlechip.

The action response unit comprises a dehumidifier, a fan ventilation system, an audible and visual alarm, an ultraviolet disinfection lamp and a lighting lamp switch, wherein the audible and visual alarm is arranged at the opening of the cellar and used for prompting the entering personnel whether the cellar is safe or not, the green lamp is on to represent the safety of the cellar and can enter the cellar, if the cellar is not safe, the red lamp is on, and meanwhile, the alarm sounds to prompt that the cellar cannot enter the cellar temporarily; the fan ventilation system adopts a high-power fan to ventilate the whole cellar and keeps the air clean; the ultraviolet disinfection lamp is used for disinfecting the cellar in a timing way; the illuminating lamp switch is used for controlling an illuminating lamp in the cellar, and the illuminating lamp is turned on when a person enters and is automatically turned off after the person leaves; the dehumidifier is used for dehumidifying the cellar and reducing the humidity in the cellar.

The display adopts a LED display with clear brightness and low cost.

In the system, a human-computer interaction unit is further arranged, the human-computer interaction unit is connected with a system control unit and used for setting the starting period of the ultraviolet disinfection lamp of the system, and the human-computer interaction unit adopts a touch control panel and a remote controller.

The humidity sensor adopts a commercially available infrared humidity sensor.

The hydrogen sulfide sensor adopts SnO₂An electrochemical sensor that is a gas sensitive material; the oxygen sensor adopts an electrochemical gas sensor O2-A2; the carbon dioxide sensor is commercially available infrared carbon dioxide sensor such as COZIR-W.

The system of the utility model has reasonable structure, and a humidity sensor, a hydrogen sulfide sensor, an oxygen sensor and a carbon dioxide sensor are arranged in the cellar; the sensor data is sent to a system control unit of the system, and if the concentrations of hydrogen sulfide and carbon dioxide are higher and the concentration of oxygen is lower, a fan ventilation system is started until the gas concentrations are normal; if the humidity is higher, starting a dehumidifier to reduce the humidity in the cellar; and starting the ultraviolet disinfection lamp at regular time to sterilize the cellar at regular time. Whether the safety of the entering personnel is ensured can be prompted through the audible and visual alarm, so that the safety of the entering personnel is improved, and the life is effectively guaranteed.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic block diagram of the architecture of the present system;

FIG. 2 is a schematic diagram of the system layout;

fig. 3 is an exemplary diagram of an amplification circuit employed by the sensor in the present system.

In the figure: 1. the device comprises a cellar, 2 parts of a cellar opening, 3 parts of an infrared human body induction probe, 4 parts of an audible and visual alarm, 5 parts of a shell, 6 parts of a display, 7 parts of an oxygen sensor, 8 parts of a humidity sensor, 9 parts of a hydrogen sulfide sensor, 10 parts of a touch control panel, 11 parts of a carbon dioxide sensor, 12 parts of an illuminating lamp, 13 parts of a dehumidifier, 14 parts of a fan ventilation system, 15 parts of an ultraviolet disinfection lamp.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1 to 3, in conjunction with specific embodiments.

The cellar environment monitoring system comprises an environment data acquisition unit, an A/D conversion module, an infrared human body induction probe 3, a system control unit, an action response unit, a display unit and a display; the system control unit is respectively connected with the A/D conversion module, the infrared human body induction probe 3, the action response unit and the display unit; the environment data acquisition unit is connected with the A/D conversion module; the infrared human body induction probe 3 is arranged at the cellar opening 2 and is used for detecting whether a person enters the cellar 1; the display unit is connected with the display 6; the A/D conversion module, the system control unit and the display unit are packaged in the same shell 5, and the display 6 is installed on the shell 5.

The environmental data acquisition unit is including installing humidity transducer 8, hydrogen sulfide sensor 9, oxygen sensor 7 and carbon dioxide sensor 11 in cellar for 1 for gather cellar for 1 humidity, hydrogen sulfide concentration, oxygen concentration and carbon dioxide concentration, the different positions in these four kinds of sensor installation cellar for 1, the utility model discloses the equal built-in amplifier circuit of humidity transducer, hydrogen sulfide sensor, oxygen sensor and carbon dioxide sensor of well adoption, the amplifier circuit supporting with the sensor promptly encapsulates into a whole with the sensor, conveys AD conversion module after amplifying the environmental data that the environmental data acquisition unit gathered. Fig. 3 is an exemplary diagram of an amplifier circuit used, and other amplifier circuits may be used. In the circuit, an operational amplifier U4 is used as a core, an O2 socket is connected with a sensor, U4 adopts an OP07 operational amplifier to form an in-phase amplifying circuit, the amplification factor is 1+ (R18 + HR)/R13, the amplification factor can be changed by changing the R18 value to adapt to different sensor requirements, HR is a thermistor with a negative temperature coefficient to improve the stability of the amplification factor of the whole amplifying circuit to the temperature, and the amplified signal is output from a TZ2 socket.

The action response unit comprises a dehumidifier 13, a fan ventilation system 14, an audible and visual alarm 4, an ultraviolet disinfection lamp 15 and a lighting lamp switch, wherein the audible and visual alarm 4 is arranged at the cellar opening 2 and used for prompting the entering personnel whether the cellar 1 is safe or not, the green lamp is on to represent the safety of the cellar 1 and can enter the cellar, if the cellar 1 is unsafe, a red lamp is on, and meanwhile, an alarm sound is sounded to prompt that the entering cannot be performed temporarily; the fan ventilation system 14 adopts a high-power fan to ventilate the whole cellar 1 and keeps the air clean; the ultraviolet disinfection lamp 15 is used for disinfecting the cellar 1 at regular time; the illuminating lamp switch is used for controlling an illuminating lamp 12 in the cellar 1, the illuminating lamp 12 is turned on when a person enters, and the illuminating lamp is automatically turned off after the person leaves; the dehumidifier 13 is used for dehumidifying the cellar 1 and reducing the humidity in the cellar 1.

The utility model discloses cellar for storing things environmental monitoring system's work flow does:

1. unattended operation

In the state that no person enters, the system control unit collects real-time data of the four sensors, judges whether the values meet requirements or not, and presets alarm reference values of carbon dioxide, oxygen, humidity and hydrogen sulfide sensors before the system is used. If the humidity in the cellar is higher than a built-in reference value, the system control unit starts a dehumidifier 13 to dehumidify the cellar 1, and the dehumidifier 13 is closed until the humidity in the cellar is lower than the reference value; if the concentration of CO2 in the cellar is higher than a built-in reference value, or the concentration of oxygen is lower than a built-in reference value or the concentration of H2S is higher than a built-in reference value, the microprocessor 9 starts the fan ventilation system 6 to ventilate the cellar 1 in all directions, and the fan ventilation system 14 stops ventilation until the detection data of carbon dioxide, oxygen and hydrogen sulfide meet the requirements. The real-time data of the carbon dioxide, oxygen, humidity and hydrogen sulfide sensors are displayed on the display 6 in a rolling cycle under the control of the system control unit. When no person enters, the display 6 can be in a state of turning off the lamp and completely black, so as to save electricity; at intervals (time preset by the user through the touch control panel 10 or a remote controller), the system control unit starts the ultraviolet disinfection lamp 15 at regular time to sterilize the cellar 1.

2. Person entering state

When a person enters the cellar 1, the infrared human body sensing probe 7 senses that the person approaches and sends a person approach signal, the system control unit receives the signal, then the ultraviolet disinfection lamp 15 is turned off, the display 6 is turned on, the lighting lamp switch is controlled to turn on the lighting lamp 12, meanwhile, whether the real-time data of the carbon dioxide, oxygen and hydrogen sulfide sensors meet the requirements or not is judged, if the data meet the requirements, the acousto-optic alarm 4 flashes in a green light to prompt safety, and the person can enter the cellar; if the data do not meet the requirements, the red light of the audible and visual alarm 4 is turned on, the alarm sounds, and the prompting personnel cannot enter the alarm, at this time, the fan ventilation system 14 starts to ventilate until the sensor data meet the requirements, the fan ventilation system 14 is closed, the green light of the audible and visual alarm 4 is turned on, and the personnel can enter the alarm. After the person leaves, the LED display 11 turns off the light completely black, turns off the illuminating lamp, and enters the unattended state again.

The system has simple structure and low cost, and all the components in the system are known and do not need to be developed by oneself. The system can be widely used in rural cellars, has popularization value, can be used for environment monitoring and proper adjustment of the cellars, and can also be used for real-time monitoring of other closed environments such as transformer substations and the like.

Claims

1. The utility model provides a cellar for storing things environmental monitoring system which characterized in that: the system comprises an environmental data acquisition unit, an A/D conversion module, an infrared human body induction probe, a system control unit, an action response unit, a display unit and a display; the system control unit is respectively connected with the A/D conversion module, the infrared human body induction probe, the action response unit and the display unit; the environment data acquisition unit is connected with the A/D conversion module; the infrared human body induction probe is arranged at the opening of the cellar and is used for detecting whether a person enters the cellar or not; the display unit is connected with the display; the A/D conversion module, the system control unit and the display unit are packaged in the same shell, and the display is installed on the shell.

2. The cellar environment monitoring system of claim 1, wherein: the environment data acquisition unit is used for acquiring the humidity, the hydrogen sulfide concentration, the oxygen concentration and the carbon dioxide concentration of the cellar and comprises a humidity sensor, a hydrogen sulfide sensor, an oxygen sensor and a carbon dioxide sensor which are arranged in the cellar; the humidity sensor, the hydrogen sulfide sensor, the oxygen sensor and the carbon dioxide sensor are all internally provided with amplifying circuits, namely the amplifying circuits matched with the sensors and the sensors are packaged into a whole, and the environmental data acquired by the environmental data acquisition unit is amplified and then transmitted to the A/D conversion module.

3. The cellar environment monitoring system of claim 1, wherein: the A/D conversion module adopts an A/D conversion circuit and is used for converting the analog signal into a digital signal and sending the digital signal to the system control unit.

4. The cellar environment monitoring system of claim 1, wherein: the system control unit adopts an STC15W1K16S singlechip.

5. The cellar environment monitoring system of claim 1, wherein: the action response unit comprises a dehumidifier, a fan ventilation system, an audible and visual alarm, an ultraviolet disinfection lamp and an illuminating lamp switch, and the audible and visual alarm is arranged at the opening of the cellar; the fan ventilation system adopts a high-power fan; the ultraviolet disinfection lamp is used for disinfecting the cellar in a timing way; the illuminating lamp switch is used for controlling an illuminating lamp in the cellar; the dehumidifier is used for dehumidifying the cellar and reducing the humidity in the cellar.

6. The cellar environment monitoring system of claim 1, wherein: the display adopts an LED display.

7. The cellar environment monitoring system of claim 1, wherein: in the system, a human-computer interaction unit is further arranged, the human-computer interaction unit is connected with a system control unit and used for setting the starting period of the ultraviolet disinfection lamp of the system, and the human-computer interaction unit adopts a touch control panel and a remote controller.