Intelligent downflow ventilation system

Abstract

The application discloses an intelligent forward ventilation system applied to various buildings, and belongs to the technical field of ventilation and air conditioning, and aims to solve the problems of low efficiency, high energy consumption and loud noise of a traditional ventilation system. The forward airflow filter screen is made of a high-strength corrosion-resistant metal plate into a cylindrical closed space structure, the internal mesh can be switched between a toad mouth type and a common flat plate type, the former utilizes the principle of fluid mechanics to promote one-way stable airflow and generate strong air inlet kinetic energy, and the latter is used for large-area air inlet and impurity interception, and the cross-sectional area of the air inlet is larger than the sum of the total area of the mesh, and the air inlet kinetic energy is generated based on the Bernoulli principle. The system is also integrated with natural wind driving, energy self-sufficiency, intelligent monitoring, intelligent regulation and control, multifunctional integration, filter screen combination application, energy intelligent switching, convenient maintenance and lighting advertisement display and other function modules, and realizes efficient, energy-saving, intelligent and convenient ventilation effect.

Description

1. Technical Field: This invention belongs to the field of ventilation and air conditioning technology, and particularly relates to an intelligent forward ventilation system. This system is applicable to various building scenarios, including civil buildings such as residences and apartments, commercial buildings such as shopping malls, office buildings and hotels, and industrial buildings such as factories and warehouses. It aims to provide indoor spaces with efficient, energy-saving, healthy ventilation solutions with intelligent control. 2. Background Technology: (1). In the current practical application of ventilation technology, traditional ventilation systems have exposed many problems that urgently need to be solved. Natural ventilation is highly dependent on natural weather conditions. When the wind is insufficient, the indoor air exchange efficiency will drop sharply, making it difficult to expel indoor polluted air, deteriorating air quality, and seriously threatening human health. According to relevant research, in poorly ventilated indoor environments, the concentration of harmful gases will rise rapidly in a short period of time, causing respiratory diseases, decreased immunity and other health problems for people who are in such environments for a long time. When the wind direction is changeable, the ventilation path is unstable. Especially in large and complex buildings, it is easy to form ventilation dead zones, causing some areas of air to not circulate effectively, which greatly affects the comfort of indoor people.

[0003] (2) Although mechanical ventilation has overcome some of the limitations of natural ventilation to a certain extent, it has also brought new problems. Its energy consumption is too high, which has significantly increased the building's operating costs. Taking a large shopping mall as an example, the traditional mechanical ventilation system has a high proportion of ventilation equipment energy consumption in the annual electricity expenditure, which runs counter to the current advocacy of energy conservation and environmental protection. The noise generated by mechanical ventilation equipment during operation is relatively large. For some places with high requirements for quiet environment, such as office building office areas and hotel rooms, it will seriously interfere with people's normal work and rest. The mechanical ventilation system has a complex structure, is difficult to maintain and has high costs. Once a fault occurs, the entire ventilation system cannot operate normally, which brings great inconvenience to users and increases maintenance costs and time costs. With the continuous improvement of people's living standards, the requirements for indoor environmental quality are becoming increasingly stringent, and the awareness of energy conservation and environmental protection is also constantly increasing. The existing ventilation system can no longer meet the needs of intelligence, energy conservation and high efficiency. The development of new ventilation systems has become an urgent need for the development of the industry. 3. Summary of the Invention: (1). This invention aims to comprehensively solve a series of problems existing in the ventilation system, such as low ventilation efficiency, high energy consumption, high noise, and difficult maintenance. Through innovative design concepts and advanced intelligent control methods, it achieves efficient ventilation, can quickly and effectively refresh indoor air, significantly improve air quality, achieve energy saving and consumption reduction, minimize energy consumption and operating costs, ensure low noise operation, create a quiet and comfortable indoor environment for users, and achieve convenient maintenance, greatly reducing maintenance time and labor costs. In this way, it comprehensively improves the reliability and stability of the system, creating a healthy and comfortable indoor environment for users.

[0005] (2). Natural wind drive and energy self-sufficiency mechanism: The forward airflow filter screen is made of high-strength corrosion-resistant metal plate to form a unique cylindrical closed space structure. Inside, there are switchable frog mouth type and ordinary flat plate type mesh. The frog mouth type mesh is closed umbrella shape with a single air outlet and a large air intake area, which can promote the stable unidirectional flow of air and generate strong air intake kinetic energy. It is suitable for scenarios that need to enhance air intake power. The ordinary flat plate type mesh is composed of uniform small holes and is mainly used for large area air intake and interception of large particles of impurities. The cross-sectional area of ​​the air inlet is specially designed to be larger than the sum of the total area of ​​the mesh. Utilizing fluid mechanics and Bernoulli's principle, when natural wind enters, the flow velocity increases and the pressure decreases, thereby generating air intake kinetic energy.

[0006] (3) The forward airflow filter is installed inside the outer cover of the same material and is suspended from the ceiling by professional fixing components and hoisting components. The cross-section of the forward airflow filter inlet corresponding to the forward airflow filter outer cover is sealed with stainless steel welding to ensure that the airflow enters only from the air inlet and avoids leakage or turbulence, thereby maximizing the use of natural wind energy. At the tail of the outer cover, a high-efficiency turbine generator is installed. Multiple forward airflow filters are installed in the outer cover and arranged in series. The natural wind accelerates step by step during the flow and impacts the generator to realize the conversion from wind energy to electrical energy and achieve the goal of energy self-sufficiency.

[0007] (4) Air intake system and intelligent monitoring: In places with abundant natural wind, such as building roofs, a forward airflow filter is installed and connected to a horn-shaped air collection device and a wedge-shaped guide plate. A tail fin structure is set at the rear. Through the linkage mechanism, the air collection device and the guide plate can always face the airflow direction, thereby enhancing the air collection effect. Natural wind is introduced into the room through a guide pipe with smooth inner wall and few bends. A compound impeller and a funnel-shaped pipe are set in the guide pipe. The airflow is accelerated by the Venturi tube principle. This system is equipped with a high-precision multi-parameter intelligent sensor group, which can monitor indoor and outdoor air quality in real time, including indicators such as formaldehyde and PM2.5, as well as temperature, humidity, natural wind parameters and energy parameters. By using artificial intelligence algorithms, these data are deeply integrated and analyzed to provide a reliable basis for intelligent control.

[0008] (5) Intelligent control and multi-functional integration: The intelligent control system automatically adjusts the size of the air inlet, the size of the filter mesh, and the ventilation direction based on the data collected by the sensor and using a specific algorithm. For example, when the indoor formaldehyde exceeds the standard, the system will increase the area of ​​the air inlet and adjust the size of the filter mesh. When the natural wind speed changes, the system can dynamically adjust the ventilation direction. The indoor air outlet adopts a unique design, inserting the filter cylinder directly into the back of the wall without ventilation ducts. It uses the kinetic energy of the air inlet to convert into the power of the exhaust air and sets the air outlet in a 1:2 ratio to further enhance the ventilation effect.

[0009] (6) Heating function: An ultra-thin PTC heat transfer medium resistance ceramic heating element is installed inside the air inlet inside the metal cover of the filter. The system adjusts the heating power in real time based on the data fed back by the indoor temperature sensor. The heating efficiency is improved by optimizing the installation position and other measures. The intelligent temperature control algorithm is adopted to achieve a comfortable and energy-saving heating effect.

[0010] (7) Cooling function: Install a solar-driven adsorption cooling system. The system consists of high-efficiency photovoltaic panels, high-performance batteries, adsorption chillers and intelligent control components. The system controls the operation of the cooling system in real time according to indoor environmental parameters. By optimizing key components and control strategies, it achieves a high-efficiency and energy-saving cooling effect.

[0011] (8) Purification function: The air is purified by combining multi-layer filter materials, namely primary, medium and high efficiency filter layers, with electrostatic adsorption. The parameters of the filter materials and electrostatic adsorption device are optimized to improve the purification efficiency. Intelligent monitoring and automatic cleaning technology are adopted to ensure that the purification function is continuously effective.

[0012] (9) Self-cleaning function: The system has a built-in high-precision dirt sensing device. When the dirt reaches the set threshold, it will automatically start a high-frequency vibration, spray cleaning and quick air drying cleaning program. This process does not require manual intervention and will not affect the operation of the system or the performance of the filter. By optimizing the self-cleaning process, the cleaning effect and efficiency are improved.

[0013] (10) Series combination: Multiple forward airflow filters can be connected in series. The first filter is responsible for generating the kinetic energy of the incoming air. The filter spacing is set to 15-25 cm to reduce energy loss. A guide device is installed between the air outlet and the next air inlet to ensure that the subsequent filters can utilize the superposition of kinetic energy to allow fresh air to penetrate into the room. According to the decreasing trend of airflow, the specifications of the series filters are adjusted, such as increasing the air inlet area, optimizing the mesh arrangement, adopting a tapered arrangement and precise installation angle, and installing acceleration blades in the airflow channel to improve the performance of the series ventilation system.

[0014] (11). Parallel combination: Multiple large parallel forward airflow filters are densely installed on the exterior wall of the building. Each filter is equipped with a large-size horn-shaped air collection device and a wedge-shaped guide plate at the front end and a tail fin structure at the rear. Through linkage, it always faces the airflow direction. Using the finite element analysis method, the support structure is optimized. Natural air first enters the storage box, and after passing through the baffle and pressure stabilization structure for pressure equalization, it is introduced into the indoor air collection box through the smooth inner wall pipe. Then it is connected with the indoor series filters through the transition connection pipe and is equipped with guide vanes to reduce energy loss. The intelligent control system monitors and adjusts the air intake of each filter in real time to achieve precise zoned ventilation control. The air outlets of each area can be intelligently adjusted. The structural advantages of the filter are used to accelerate the exhaust of waste air. Through the distributed intelligent control algorithm, collaborative control and optimized operation are achieved.

[0015] (12) Intelligent energy switching: The system is equipped with an intelligent energy management module. When natural wind resources are abundant, the turbine generator is used to generate electricity. When there is sufficient sunlight but insufficient wind, it automatically switches to solar power supply mode. This switching is completed in milliseconds, which can avoid the system from becoming unstable. The module integrates power monitoring and control circuits, which can ensure stable power supply and meet standard requirements.

[0016] (13) Maintenance design: The forward airflow filter covers are arranged in series and parallel to form a square array. High-precision measurement technology is used to calibrate the installation position so that the deviation is controlled within ±2 mm. It is fixed by a customized high-strength aluminum alloy frame to ensure that the safety factor reaches more than 4. The spacing between the covers is controlled at 10-15 cm. The unified appearance design enhances visual coordination. Quick-release connection components are used so that the time for a single person to disassemble a single cover can be controlled within 2 minutes. The surface of the cover is treated with a special anti-fouling coating to facilitate daily cleaning and deep cleaning, ensuring the appearance and ventilation performance of the cover.

[0017] (14). Lighting and advertising display functions: High-efficiency energy-saving fluorescent lamps are installed at the bottom of the filter cover to provide basic lighting and advertising lighting for shopping malls, factories and other places. By reasonably designing the parameters of the fluorescent lamps, a uniform and sufficient lighting effect can be achieved. The intelligent control system automatically adjusts the brightness of the fluorescent lamps according to the ambient light and time to achieve the purpose of energy saving.

[0018] 4. Beneficial effects: (1) High-efficiency ventilation: The unique filter design and scientific filter combination can effectively guide airflow, achieve high-efficiency ventilation and air exchange, reduce ventilation dead angles, and improve indoor air quality. The air outlet design without ventilation ducts further enhances ventilation efficiency. Actual tests show that under the same space and ventilation requirements, the ventilation efficiency of this system is higher than that of traditional ventilation systems.

[0019] (2) Energy saving and consumption reduction: With the help of natural wind drive and energy self-sufficiency mechanism, combined with intelligent energy management module, natural energy is utilized to the maximum extent, reducing energy consumption and operating costs. The intelligent dimming function of the lighting system further enhances the energy saving effect.

[0020] (3) Multifunctional integration: This system integrates multiple functions such as heating, cooling, purification, self-cleaning, lighting and advertising lighting, which can meet the diverse needs of users, save space and cost, and improve the overall performance and practicality of the system.

[0021] (4) Intelligent control: The high-precision multi-parameter intelligent sensor group works in conjunction with the intelligent control system to achieve precise control, improve the system's response speed and operational stability, and provide users with personalized and intelligent services. The system can respond to changes in environmental parameters in a short time and automatically adjust its operating status.

[0022] (5) Easy maintenance, quick-release connection components, reserved operating space and special anti-fouling coating treatment make the maintenance and cleaning of the outer cover easy and convenient, reducing maintenance time and labor costs, and improving the reliability and service life of the system. 5. Description of the attached diagram: Figure 1 The diagram shows the main components of an intelligent forward ventilation system: 2 is the air inlet, 3 is the air outlet, 4 is the wedge-shaped guide vane, 5 is the trumpet-shaped air collection device, 6 is the frog-mouth mesh, 7 is the forward airflow filter, 8 is the ultra-thin PTC heating plate, 9 is the multi-layer filter material, 10 is the electrostatic adsorption device, 11 is the high-precision dirt sensing device, 12 is the linkage structure, 13 is the tail fin structure, 14 is the guide pipe, 15 is the composite impeller, 16 is the funnel-shaped pipe, 17 is the high-precision multi-parameter intelligent sensor group, 18 is the intelligent control system, 19 is the high-efficiency photovoltaic panel, 20 is the solar-driven adsorption refrigeration system, 21 is the adsorption refrigeration unit, 22 is the intelligent control component, 23 is the forward airflow filter cover, 24 is the intelligent energy management module, 25 is the power monitoring and control circuit, 26 is the quick-release connection component, 27 is the high-efficiency energy-saving fluorescent lamp, 28 is the hoisting component, 29 is the professional component, 30 is the high-efficiency turbine generator, and 31 is the high-performance battery. 6. Detailed Implementation Method: (1). Material procurement and processing: Based on the design requirements, metal plate materials that meet the high strength and corrosion resistance standards are procured to seal the cross-section between the air inlet of the forward airflow filter and the outer cover of the forward airflow filter. The airflow enters from the air inlet. Advanced processes such as CNC cutting, stamping, and precision welding are used for processing. CNC cutting cuts metal plates according to size and shape. Stamping is used to make special parts. Precision welding is used to assemble the filter and the outer cover to ensure that the welding is firm and sealed. High-precision molds and equipment are used to make special meshes to ensure that the shape and size are consistent and the surface is smooth.

[0025] (2) Component assembly: At the assembly site, use hoisting equipment to hoist the outer cover to the preset position on the ceiling, use a laser rangefinder and level to calibrate the horizontality and verticality, install the filter screen inside the outer cover, fix it firmly and seal it, install the turbine generator at the same time, and standardize the wiring. When assembling the air intake system, connect and debug the air collection device, guide plate and tail fin to ensure flexible linkage. When connecting the guide pipe, ensure that the inner wall is smooth and there is no air leakage.

[0026] (3) Intelligent control system integration: Install intelligent sensor groups in key indoor and outdoor locations according to the layout diagram to ensure accurate installation and secure connection. Connect the intelligent controller with the sensors and actuators, lay out the wiring reasonably to avoid interference, write the program according to the intelligent control algorithm, burn it into the controller, and conduct comprehensive testing and debugging to ensure that the system can accurately adjust the parameters and realize intelligent control.

[0027] (4) Filter assembly installation: Based on the building layout and ventilation requirements, determine the number and location of filters in series or in parallel. When installing in series, install the filters at the specified intervals and set up a flow guiding device. When installing in parallel, first install the support structure, use finite element analysis to ensure its stability, then install the filters and related components, and adjust the working status of each component.

[0028] (5) System debugging and optimization: After installation, conduct a comprehensive inspection of the system, start and set different operating parameters, test the system performance, use professional equipment such as anemometers and air quality detectors to test various indicators, and optimize the filter spacing, optimize algorithm parameters, adjust the angle of the flow guiding device, etc., based on the debugging results, and continuously monitor and evaluate until the system performance reaches the optimal level.

Claims

1. An intelligent forward ventilation system, characterized in that, include: (1). Natural wind driven and energy self-sufficient module, the forward airflow filter is made of high-strength corrosion-resistant metal plate into a cylindrical closed space structure, with switchable frog mouth type and ordinary flat plate type mesh inside. The cross-sectional area of ​​the air inlet is greater than the sum of the total area of ​​the mesh. The forward airflow filter is placed in the outer cover of the same material and suspended on the ceiling by fixing components and hanging components. The cross-section of the air inlet and the outer cover is sealed with stainless steel welding. A high-efficiency turbine generator is installed at the tail of the outer cover. Multiple forward airflow filters are installed in series inside the forward airflow filter outer cover.

2. (2). Air intake system and intelligent monitoring module: Install a forward airflow filter in a place with abundant natural wind, connect a horn-shaped air collection device and a wedge-shaped guide plate, and set a tail fin structure at the rear. Through the linkage mechanism, it is always facing the direction of airflow. Natural wind is introduced into the room through a guide pipe with smooth inner wall and few bends. A compound impeller and a funnel-shaped pipe are set in the guide pipe. The system is equipped with a high-precision multi-parameter intelligent sensor group and uses artificial intelligence algorithm to perform in-depth fusion analysis of monitoring data.

3. (3). Intelligent control and multi-functional integrated module. The intelligent control system automatically adjusts the size of the air inlet, the size of the filter mesh and the ventilation direction based on sensor data and using a specific algorithm. The indoor air outlet adopts a unique design. The cylindrical filter mesh is directly inserted into the back of the wall or outside the door and window, without the need for ventilation ducts. The air outlet is set at a ratio of 1:

2. The system integrates heating, cooling, purification and self-cleaning functions. The heating function is achieved by installing an ultra-thin PTC heat medium resistance ceramic heating element inside the air inlet in the metal cover of the filter mesh. The cooling function is achieved by installing a solar-driven adsorption cooling system. The purification function is achieved by combining multi-layer filter materials with electrostatic adsorption. The self-cleaning function is achieved by automatically starting a high-frequency vibration, spray cleaning and fast drying cleaning program through a built-in high-precision dirt sensing device.

4. (4). Filter combination application module, including series combination and parallel combination. In series combination, multiple forward airflow filters are connected in series. The first filter generates air intake kinetic energy. The filter spacing is set to 15-25 cm. A guide device is installed between the air outlet and the next air inlet. The specifications of the series filters are adjusted according to the decreasing trend of airflow. In parallel combination, multiple large forward airflow filters are densely installed on the exterior wall of the building. Each filter is equipped with a large-size horn-shaped air collection device and a wedge-shaped guide plate at the front end. A tail fin structure is set at the rear. Natural air first enters the storage box, and after being stabilized and evenly distributed by the baffle and the pressure stabilizing structure, it is introduced into the indoor air collection box. Then it is connected to the indoor series filters through the transition connection pipe and is equipped with guide vanes. The intelligent control system monitors and adjusts the air intake of each filter in real time.

5. (5). Energy intelligent switching module: The system is equipped with an intelligent energy management module. When natural wind resources are abundant, the turbine generator is used to generate electricity and supply energy. When there is sufficient sunlight but insufficient wind, it automatically switches to solar power supply mode. This module integrates power monitoring and control circuit.

6. (6). Maintenance design module, the forward airflow filter screen covers are combined into a square array in series and parallel, the installation position is calibrated by high precision measurement technology, the deviation is controlled within ±2 mm, and it is fixed by a customized high-strength aluminum alloy frame to ensure that the safety factor reaches more than 4, the spacing between the covers is controlled at 10-15 cm, quick-release connection components are used, and the surface of the covers is treated with a special anti-fouling coating.

7. (7). Lighting and advertising display module, with high-efficiency energy-saving fluorescent lamps installed at the bottom of the filter cover, and the intelligent control system automatically adjusting the brightness of the fluorescent lamps according to the ambient light and time.

8. The intelligent forward ventilation system according to claim 1, characterized in that, In the natural wind drive and energy self-sufficiency module, the toad mouth-shaped mesh is closed and umbrella-shaped with a single-sided air outlet to enhance the air intake power, while the ordinary flat mesh is composed of uniform small holes to allow for large-area air intake and intercept large particulate impurities.

9. The intelligent forward ventilation system according to claim 1, characterized in that, The air intake system and intelligent monitoring module include a high-precision multi-parameter intelligent sensor group that monitors indoor and outdoor air quality, temperature, humidity, natural wind parameters, and energy parameters in real time.

10. The intelligent forward ventilation system according to claim 1, characterized in that, In the intelligent control and multi-functional integrated module, the heating function achieves comfortable and energy-saving heating through intelligent temperature control algorithms, the cooling function achieves efficient and energy-saving cooling by optimizing key components and control strategies, and the purification function improves purification efficiency by optimizing filter materials and electrostatic adsorption device parameters, and adopts intelligent monitoring and automatic cleaning technology to ensure the continuous effectiveness of the purification function.

11. The intelligent forward ventilation system according to claim 1, characterized in that, In the filter combination application module, when combined in series, acceleration blades are installed in the airflow channel; when combined in parallel, the support structure is optimized using finite element analysis; and collaborative control and optimized operation are achieved through distributed intelligent control algorithms.

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