Intelligent indoor air quality detection and control system
The intelligent indoor air quality detection and control system utilizes a variety of sensors and actuators for real-time monitoring and control, solving the problem that existing technologies cannot respond to indoor air quality issues in a timely manner, and achieving efficient air quality monitoring and purification.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2026-03-27
AI Technical Summary
Existing technologies cannot effectively monitor and control indoor air quality in real time, resulting in the inability to respond promptly to the impact of air quality on human health.
An intelligent indoor air quality detection and control system was designed, including a data acquisition unit, a data processing unit, and an actuator. It utilizes various sensors and actuators for real-time monitoring and control, and performs data analysis and command transmission through an FPGA processor and a smart terminal.
It enables real-time monitoring and control of indoor air quality, featuring low power consumption, miniaturization, high precision, and flexibility. It can monitor and effectively purify air and provide alarm prompts in real time under different environments.
Smart Images
Figure CN224050569U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to intelligent control technical field, especially is involved with a kind of intelligent indoor air quality detection and control system. BACKGROUND
[0002] With the increasingly good economic development of China, people's living standard quality also improves rapidly.And people's consciousness of environment of own life and for own health life also year by year promotion, people to indoor environment air quality has put forward higher request, the good or bad of indoor air quality has direct influence on human health.Therefore, how to improve indoor air quality is the problem that needs to be solved now. SUMMARY
[0003] Therefore, the utility model aims at overcoming the above-mentioned problems of prior art, and proposes an intelligent indoor air quality detection and control system.
[0004] To achieve the above object, the technical scheme of the utility model is as follows:
[0005] An intelligent indoor air quality detection and control system, characterized by comprising a data acquisition unit, a data processing unit, an intelligent terminal and an execution mechanism; the data acquisition unit is connected to the data processing unit, and the data processing unit is connected to the intelligent terminal and the execution mechanism respectively;
[0006] The data acquisition unit comprises a temperature and humidity sensor, a CO sensor, a CO2 sensor, a PM2.5 sensor, a smoke sensor, a dust sensor, an odor sensor, a formaldehyde sensor and an illumination value sensor.
[0007] The data processing unit comprises an FPGA processor, a stepper motor driving module, a Bluetooth module, a WIFI module, an AD converter, a comparator, a display module and an alarm module, and the stepper motor driving module, the Bluetooth module, the WIFI module, the AD converter, the comparator, the display module and the alarm module are electrically connected to the FPGA processor.
[0008] The execution mechanism comprises a fan, an air purifier and an LED lamp.
[0009] Further, the data acquisition unit is connected to the FPGA processor through the AD converter.
[0010] Further, the Bluetooth module adopts an HC-08 Bluetooth communication module.
[0011] Further, the temperature and humidity sensor adopts a digital temperature and humidity sensor DHT11.
[0012] Further, the formaldehyde sensor adopts a semiconductor type MS1100.
[0013] Further, the light value sensor adopts a digital light intensity BH1750FVI.
[0014] Further, the dust sensor adopts a GP2Y1010AU dust sensor.
[0015] Further, the odor sensor is of a TGS2600 type.
[0016] Further, the intelligent terminal comprises a smart phone and an upper computer.
[0017] Further, the alarm module adopts an audible and visual alarm.
[0018] Compared with the prior art, the intelligent indoor air quality detection and control system has the following advantages:
[0019] The utility model can monitor indoor air density in real time, and complete data collection, analysis, display and alarm and the like, and the whole system has the characteristics of low power consumption, miniaturization, high precision and strong flexibility, can be used for real-time monitoring of air quality under different environments, and has good practical value. BRIEF DESCRIPTION OF DRAWINGS
[0020] The drawings forming a part of this utility model are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:
[0021] Figure 1 It is a structure schematic view of the intelligent indoor air quality detection and control system of the utility model;
[0022] Figure 2 It is a principle block diagram of the intelligent indoor air quality detection and control system of the utility model;
[0023] Figure 3 It is a Bluetooth module circuit diagram of the utility model;
[0024] Figure 4 It is a temperature and humidity sensor circuit diagram of the utility model;
[0025] Figure 5 It is a formaldehyde sensor circuit diagram of the utility model;
[0026] Figure 6 It is a light value sensor circuit diagram of the utility model;
[0027] Figure 7The dust sensor circuit diagram of the utility model;
[0028] Figure 8 The peculiar smell sensor circuit diagram of the utility model.
[0029] Explanation of reference signs
[0030] 1-data acquisition unit;2-data processing unit;3-intelligent terminal;4 actuator. DETAILED DESCRIPTION
[0031] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0032] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms 'center', 'longitudinal', 'lateral', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer' and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms 'first','second' and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by 'first','second' and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of 'a plurality of' is two or more.
[0033] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms'mounting', 'connection' and 'connection' should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0034] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0035] As Figures 1-2 The utility model provides a kind of intelligent indoor air quality detection and control system, including data acquisition unit, data processing unit, intelligent terminal and actuator;The data acquisition unit connects data processing unit, and the data processing unit is connected intelligent terminal and actuator respectively;
[0036] The data acquisition unit comprises a temperature and humidity sensor, a CO sensor, a CO2 sensor, a PM2.5 sensor, a smoke sensor, a dust sensor, an odor sensor, a formaldehyde sensor, and an illumination value sensor.
[0037] The data processing unit comprises an FPGA processor, a stepping motor driving module, a Bluetooth module, a WIFI module, an AD converter, a comparator, a display module, and an alarm module, wherein the stepping motor driving module, the Bluetooth module, the WIFI module, the AD converter, the comparator, the display module, and the alarm module are electrically connected to the FPGA processor.
[0038] The execution mechanism comprises a fan, an air purifier, and an LED lamp.
[0039] Specifically, the data acquisition unit is connected to the FPGA processor through the AD converter.
[0040] Specifically, the intelligent terminal comprises a smart phone and an upper computer.
[0041] Specifically, the alarm module adopts an audible and visual alarm.
[0042] Specifically, the Bluetooth module adopts an HC-08 Bluetooth communication module. The HC-08 Bluetooth communication module can be used for wireless communication between the system and devices within a small range, can convert the system output serial port signal into a wireless signal, and can be paired with a mobile phone device for interconnection so as to obtain the detection data of the system in real time on the mobile phone side. The application circuit thereof is as shown in Figure 3
[0043] Specifically, the temperature and humidity sensor adopts a digital temperature and humidity sensor DHT11. The temperature and humidity detection of the utility model adopts the digital temperature and humidity sensor DHT11, the temperature measurement range is 0 to 50 degrees Celsius, and the humidity measurement range is 20% to 90% RH. The sensor comprises a resistance type humidity sensing element and an NTC temperature measuring element, has strong anti-interference ability, and has high cost performance. The application circuit thereof is as shown in Figure 4
[0044] Specifically, the formaldehyde sensor adopts an MS1100 semiconductor type. The sensor internally comprises a conventional two-electrode fuel cell sensor. The working electrode releases electrons to the counting electrode through an external circuit, and is consumed at the counting electrode end with the decrease of oxygen, and the internal circuit is realized by the ion flow in the electrolyte. The design is excellent, and the increase and decrease of the electrolyte are facilitated. The increase and decrease of the electrolyte change with the change of the ambient temperature and humidity, but the sensor can still work normally and will not affect the calibration value. The design circuit diagram is as shown in Figure 5
[0045] Specific, the light value sensor adopts digital light intensity BH1750FVI. Light value sensor adopts digital light intensity BH1750FVI, mainly used for indoor light adjustment, to achieve the purpose of energy saving. Its measurable illumination range is 0 to 65535lx. The sensor is built-in 16bit AD converter, direct digital output, omitting complex calculation and calibration. The spectral characteristics close to visual sensitivity, the circuit diagram is as shown in Figure 6
[0046] Specific, the dust sensor adopts GP2Y1010AU dust sensor. Its application circuit module design is as shown in Figure 7 GP2Y1010AU receives dust detection instruction control signal sent by the PD4 pin of CPU through LED drive, starts to detect dust, and then feeds back the detected signal to the PD3 pin of CPU in the form of duty cycle; the CPU converts the output signal into dust concentration according to the duty cycle of the PD3 output signal and displays it through the LCD.
[0047] Specific, the odor sensor is TGS2600. This sensor needs to apply 2 voltages: heater voltage (VH) and loop voltage (VC). VH is applied to the integrated heater, which is used to maintain the sensitive device at a specific temperature suitable for detecting gas. VC is used to measure the voltage (VOUT) across the load resistor (R1) connected in series with the sensor. The detected odor electric signal is transmitted to the CPU, which converts it into odor gas concentration and displays it through the LCD. The circuit diagram is as shown in Figure 8
[0048] The utility model discloses a temperature and humidity sensor detects indoor temperature and humidity data, and sends to FPGA treater, and FPGA treater compares the data received with preset value through comparator, and the result is sent to intelligent terminal, and the intelligent terminal sends instruction through FPGA treater control stepper motor drive module drive stepper motor steering, drive fan work and the adjustment of fan rotating speed when exceeding the set threshold value and reminding through alarm module.
[0049] The utility model discloses a temperature and humidity sensor detects indoor temperature and humidity data, and sends to FPGA treater, and FPGA treater compares the data received with preset value through comparator, and the result is sent to intelligent terminal, and the intelligent terminal sends instruction through FPGA treater control stepper motor drive module drive stepper motor steering, drive fan work and the adjustment of fan rotating speed when exceeding the set threshold value and reminding through alarm module.
[0050] The utility model discloses a work, utilize CO2 sensor detection indoor CO2 concentration data, and send to FPGA treater, and FPGA treater will receive the data through comparator with preset value compare, and the alarm module is reminded through the alarm of exceeding setting threshold value, and the result is sent to intelligent terminal, and the instruction of intelligent terminal is sent through the FPGA treater control air purifier work, and the air is purified.
[0051] The utility model discloses a work, utilize PM2.5 sensor detection indoor PM2.5 concentration data, and send to FPGA treater, and FPGA treater will receive the data through comparator with preset value compare, and the alarm module is reminded through the alarm of exceeding setting threshold value, and the result is sent to intelligent terminal, and the instruction of intelligent terminal is sent through the FPGA treater control air purifier work, and the air is purified.
[0052] The utility model discloses a work, utilize smoke sensor detection indoor smoke concentration data, and send to FPGA treater, and FPGA treater will receive the data through comparator with preset value compare, and the alarm module is reminded through the alarm of exceeding setting threshold value, and the result is sent to intelligent terminal, and the instruction of intelligent terminal is sent through the FPGA treater control air purifier work, and the air is purified.
[0053] The utility model discloses a work, utilize dust sensor detection indoor dust concentration data, and send to FPGA treater, and FPGA treater will receive the data through comparator with preset value compare, and the alarm module is reminded through the alarm of exceeding setting threshold value, and the result is sent to intelligent terminal, and the instruction of intelligent terminal is sent through the FPGA treater control air purifier work, and the air is purified.
[0054] The utility model discloses a work, utilize peculiar smell sensor detection indoor peculiar smell concentration data, and send to FPGA treater, and FPGA treater will receive the data through comparator with preset value compare, and the alarm module is reminded through the alarm of exceeding setting threshold value, and the result is sent to intelligent terminal, and the instruction of intelligent terminal is sent through the FPGA treater control air purifier work, and the air is purified.
[0055] The utility model discloses a work, utilize formaldehyde sensor detection indoor formaldehyde concentration data, and send to FPGA treater, and FPGA treater will receive the data through comparator with preset value compare, and the alarm module is reminded through the alarm of exceeding setting threshold value, and the result is sent to intelligent terminal, and the instruction of intelligent terminal is sent through the FPGA treater control air purifier work, and the air is purified.
[0056] The utility model discloses a light sensor, FPGA processor, alarm module, intelligent terminal and LED lamp, wherein the light sensor is used for detecting indoor illumination intensity data and sending to the FPGA processor; the FPGA processor compares the received data with the preset value through the comparator; when the data exceeds the set threshold, the alarm module is used for alarming and reminding; the result is sent to the intelligent terminal; the intelligent terminal sends the instruction through the FPGA processor to control the LED lamp to automatically adjust the brightness.
[0057] It should be noted that all components used in the utility model are existing products, the connection relationship between the components is a conventional connection relationship, and the data processing process also belongs to an existing method.
[0058] The above merely describes the preferred embodiments of the utility model, and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An intelligent indoor air quality detection and control system, characterized in that: It comprises a data acquisition unit (1), a data processing unit (2), an intelligent terminal (3) and an execution mechanism (4); the data acquisition unit (1) is connected with the data processing unit (2), the data processing unit (2) is connected with the intelligent terminal (3) and the execution mechanism (4) respectively; The data acquisition unit (1) comprises a temperature and humidity sensor, a CO sensor, a CO2 sensor, a PM2.5 sensor, a smoke sensor, a dust sensor, an odor sensor, a formaldehyde sensor and an illumination value sensor; The data processing unit (2) comprises an FPGA processor, a stepping motor driving module, a Bluetooth module, a WIFI module, an AD converter, a comparator, a display module and an alarm module; the stepping motor driving module, the Bluetooth module, the WIFI module, the AD converter, the comparator, the display module and the alarm module are electrically connected with the FPGA processor; The execution mechanism (4) comprises a fan, an air purifier and an LED lamp.
2. The intelligent indoor air quality detection and control system of claim 1, wherein: The data acquisition unit is connected with the FPGA processor through the AD converter.
3. The intelligent indoor air quality detection and control system of claim 1, wherein: The Bluetooth module adopts an HC-08 Bluetooth communication module.
4. The intelligent indoor air quality detection and control system of claim 1, wherein: The temperature and humidity sensor adopts a digital temperature and humidity sensor DHT11.
5. The intelligent indoor air quality detection and control system of claim 1, wherein: The formaldehyde sensor adopts a semiconductor type MS1100.
6. The intelligent indoor air quality detection and control system of claim 1, wherein: The illumination value sensor adopts a digital light intensity BH1750FVI.
7. The intelligent indoor air quality detection and control system of claim 1, wherein: The dust sensor adopts a GP2Y1010AU dust sensor.
8. The intelligent indoor air quality detection and control system of claim 1, wherein: The odor sensor is of TGS2600 type. 9.The intelligent indoor air quality detection and control system of claim 1, wherein: The intelligent terminal (3) comprises a smart phone and an upper computer.
10. The intelligent indoor air quality detection and control system of claim 1, wherein: The alarm module adopts an audible and visual alarm.