Air quality induction type solar ventilation device
By using an air quality sensor-based solar-powered ventilation device, which combines air quality detection and solar power, the problems of inconvenient operation and power consumption of ventilation equipment in rural households have been solved, achieving real-time air quality improvement and low-noise ventilation.
Patent Information
- Application Number
- CN202511181263.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-22
- Publication Date
- 2025-10-31
AI Technical Summary
Existing ventilation equipment in rural households is inconvenient to operate, consumes a lot of electricity, and cannot monitor and improve air quality in real time.
An air quality sensing solar-powered ventilation device was designed, which combines an air quality control module, a fan module, and a power supply module. It uses solar power to detect temperature, humidity, and PM2.5 concentration in real time, and achieves automatic ventilation through fan control signals.
It enables real-time improvement of air quality in rural households without the need for household circuit connection, reduces power consumption, and achieves real-time ventilation and purification of indoor air through a low-noise fan.
Smart Images

Figure CN120868593A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of solar ventilation technology, and in particular to an air quality sensing solar ventilation device. Background Technology
[0002] In high-altitude areas and rural homes, air quality is a serious concern, contributing significantly to cardiopulmonary diseases among rural residents. Therefore, using air purification equipment to aid in home ventilation and air purification is essential. Rural households with ventilation systems generally have better lung function than those without.
[0003] However, there are many problems with the ventilation equipment currently used in rural areas: rural residents have no time to operate ventilation equipment during busy farming seasons; connecting ventilation equipment to household circuits consumes electricity, and rural residents are reluctant to use it because of the high electricity costs; and current solar-powered ventilation equipment cannot detect and improve air quality in real time.
[0004] The existence of these problems severely limits the promotion and application of ventilation equipment in rural households. Therefore, it is urgent to develop a solar-powered ventilation device that can detect and improve air quality in real time. Summary of the Invention
[0005] The purpose of this invention is to provide an air quality sensing solar ventilation device, which aims to solve or improve at least one of the above-mentioned technical problems.
[0006] To achieve the above objectives, the present invention provides the following solution:
[0007] An air quality sensing solar ventilation device includes:
[0008] The air quality control module is used to detect and display the current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value, and the PM 2.5 The concentration value is compared with a set threshold range to trigger the corresponding fan control signal; the fan control signal includes a fan start signal and a fan stop signal.
[0009] A fan module is used to control the drive of the fan according to the fan control signal;
[0010] A power supply module is used to supply power to the air quality control module and the fan module.
[0011] Optionally, the air quality control module specifically includes:
[0012] Air quality sensors are used to detect current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value;
[0013] The touchscreen, with a built-in control module, is used to receive and display the currently detected data, when the PM... 2.5 When the concentration value exceeds the set upper limit, a fan start signal is triggered. 2.5 When the concentration value is lower than the set lower limit, a fan stop signal is triggered.
[0014] Optionally, the fan module uses a fan with specifications of 75W, 220V and 38dB.
[0015] Optionally, the power module includes a solar panel, a solar controller, and a lead-acid battery connected in sequence; the lead-acid battery is also connected to a boost module and an inverter; wherein, the boost module is used to increase the 12V output voltage to 24V to provide the operating voltage for the control module; the inverter is used to provide AC power to the wind turbine module.
[0016] Optionally, the solar panel operates at 18V and has a maximum power of 100W.
[0017] Optionally, the lead-acid battery is rated at 12V and 0.72kW.
[0018] Optionally, the inverter adopts INPUT DC 12-24V--OUTPUTAC 220V.
[0019] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:
[0020] This invention discloses an air quality sensing solar-powered ventilation device, comprising an air quality control module, a fan module, and a power supply module; wherein, the air quality control module is used to detect and display the current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value, and the PM 2.5 The concentration value is compared with a set threshold range, triggering a corresponding fan control signal. The fan control signal includes a fan start signal and a fan stop signal. The fan module controls the fan drive according to the fan control signal. The power module supplies power to the air quality control module and the fan module. This invention combines solar-powered ventilation equipment with air quality detection, achieving real-time improvement of indoor air quality while eliminating the need for household circuit power consumption, thus enabling independent power supply. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a block diagram of the air quality sensing solar ventilation device of the present invention;
[0023] Figure 2 This is a schematic diagram of the control interface in this embodiment;
[0024] Figure 3 This is a functional schematic diagram of this embodiment;
[0025] Figure 4 This is the wiring diagram for this embodiment. Detailed Implementation
[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0027] The purpose of this invention is to provide an air quality sensing solar ventilation device, which aims to solve or improve at least one of the above-mentioned technical problems.
[0028] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0029] like Figure 1 As shown, the present invention provides an air quality sensing solar ventilation device, comprising:
[0030] The air quality control module is used to detect and display the current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value, and the PM 2.5 The concentration value is compared with a set threshold range to trigger the corresponding fan control signal; the fan control signal includes a fan start signal and a fan stop signal.
[0031] The fan module is used to control the drive of the fan according to the fan control signal.
[0032] A power supply module is used to supply power to the air quality control module and the fan module.
[0033] As one specific implementation, the air quality control module specifically includes:
[0034] Air quality sensors are used to detect current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value.
[0035] The touchscreen, with a built-in control module, is used to receive and display the currently detected data, when the PM... 2.5 When the concentration value exceeds the set upper limit, a fan start signal is triggered. 2.5 When the concentration value is lower than the set lower limit, a fan stop signal is triggered.
[0036] As a further component, the air quality control module includes:
[0037] 1. Air quality sensor: DC 24V, measuring range: 0~1000μg / m³ 3 Resolution: 1 μg / m 3 Accuracy: ±3%; Function: Detects air temperature, humidity, and PM2.5. 2.5 The concentration value is then transmitted to the touchscreen and control module.
[0038] 2. Touchscreen (control module): DC 24V; Function: Display PM 2.5 Concentration levels, temperature, and humidity control the fan's on / off state. The control interface is as follows: Figure 2 As shown.
[0039] Control logic: The upper and lower limits of PM2.5 concentration are set through the built-in program. When the PM2.5 concentration value in the signal transmitted by the air quality sensor exceeds the upper limit, the fan is controlled to start; when the value is less than the lower limit, the fan stops.
[0040] As one specific implementation method, the fan module uses a 75W fan, 220V, and 38dB, capable of completing 30m of circuit within one hour. 2 Air exchange within a 3m radius. Its functional principle diagram is as follows: Figure 3 As shown, the wiring diagram is as follows: Figure 4 As shown.
[0041] In one specific implementation, the power module includes a solar panel, a solar controller, and a lead-acid battery connected in sequence; the lead-acid battery is also connected to a boost module and an inverter; wherein, the boost module is used to increase the 12V output voltage to 24V to provide the operating voltage for the control module; the inverter is used to provide AC power to the wind turbine module.
[0042] As a further component, the power module includes:
[0043] Solar panel: Operating voltage: 18V; Maximum power: 100W; Function: Provides electrical energy.
[0044] Solar controller: Function: Stabilizes the charging voltage and current of the battery, extending the battery life.
[0045] Lead-acid battery: 12V; 0.72kWh; Function: Store electrical energy.
[0046] Boost module: Function: Boosts 12V to 24V to provide operating voltage for the control module.
[0047] Inverter: INPUT DC 12-24V--OUTPUTAC 220V; 2200W, provides AC power to the fan.
[0048] Based on the above technical solution, the following embodiments are provided.
[0049] The device described in this embodiment integrates solar ventilation equipment with indoor air quality detection and control functions, overcoming the shortcomings of ordinary ventilation equipment that requires connection to household circuits and consumes electricity, and ordinary solar ventilation equipment that cannot achieve real-time indoor air quality detection and control.
[0050] The wiring principle and key structure for achieving the above functions are as follows: Figure 4 As shown, the solar panel's power input controller (CD) charges the battery (BT); BT provides power to the air quality sensor (FJ), touchscreen controller (KZQ), and inverter (NB) fan via boost modules (X1, DY); FJ outputs a signal to KZQ, and KZQ outputs a switch signal to the fan switch (CY, X2), turning on the fan for ventilation. The controller's control logic is as follows: it receives the signal transmitted from FJ and compares the measured value with a preset threshold. If the concentration exceeds the start threshold, the fan automatically starts; when the concentration is below the stop threshold (including hysteresis intervals to prevent frequent start-stop), the fan shuts down. The core process is "detection-comparison-execution".
[0051] In summary, the technical solution of this application can achieve the following functions:
[0052] (1) In rural areas, it can be powered and operated independently without being connected to the household circuit, and there is no need to worry about power consumption.
[0053] (2) It can detect indoor air quality in real time and start the fan when the indoor PM2.5 concentration exceeds the set value to achieve ventilation; when it is lower than the set value, the fan is turned off to save power.
[0054] (3) The fan noise is low, falling within the white noise range, making it more suitable for rural areas.
[0055] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0056] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.
Claims
1. An air quality sensing solar-powered ventilation device, characterized in that, include: The air quality control module is used to detect and display the current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value, and the PM 2.5 The concentration value is compared with a set threshold range to trigger the corresponding fan control signal; the fan control signal includes a fan start signal and a fan stop signal. A fan module is used to control the drive of the fan according to the fan control signal; A power supply module is used to supply power to the air quality control module and the fan module.
2. The air quality sensing solar ventilation device according to claim 1, characterized in that, The air quality control module specifically includes: Air quality sensors are used to detect current temperature, humidity, and PM2.5 in real time. 2.5 Concentration value; The touchscreen, with a built-in control module, is used to receive and display the currently detected data, when the PM... 2.5 When the concentration value exceeds the set upper limit, a fan start signal is triggered. 2.5 When the concentration value is lower than the set lower limit, a fan stop signal is triggered.
3. The air quality sensing solar ventilation device according to claim 1, characterized in that, The fan module uses a fan with specifications of 75W, 220V and 38dB.
4. The air quality sensing solar ventilation device according to claim 2, characterized in that, The power module includes a solar panel, a solar controller, and a lead-acid battery connected in sequence; the lead-acid battery is also connected to a boost module and an inverter; wherein, the boost module is used to increase the 12V output voltage to 24V to provide the operating voltage for the control module; the inverter is used to provide AC power to the wind turbine module.
5. The air quality sensing solar ventilation device according to claim 4, characterized in that, The solar panel operates at 18V and has a maximum power of 100W.
6. The air quality sensing solar ventilation device according to claim 4, characterized in that, The lead-acid battery has a specification of 12V and 0.72kW.
7. The air quality sensing solar ventilation device according to claim 4, characterized in that, The inverter uses INPUT DC 12-24V and OUTPUTAC 220V.