School fresh air ventilator with micro-electrostatic dust collection and negative ion purification functions

Abstract

The utility model discloses a novel fan with micro electrostatic dust collection and anion purification functions, which is specially designed for schools. The equipment is characterized in that the micro-electrostatic dust collection assembly comprises a micro-electrostatic generation field, an electrode bar, a dust collection net plate and a negative ion generation device which jointly act to efficiently remove tiny particles in air, and the air purification effect is enhanced. A replacement assembly is arranged on the dust collection screen plate side, and rapid replacement is facilitated. The fresh air machine is further provided with an intelligent control circuit board and a fragrance box, and the indoor air quality is improved. The shell is provided with a replacement opening, a bottom support and a dust cover, and equipment is convenient to maintain and protect. And the outer wall is fixed with the hook and the flow guide cover to optimize air flow. The control circuit board is provided with a wind speed sensor and a display interface, and a wind control chip and a transformer ensure normal work. The air outlet is provided with a hinge and a fixing buckle, and is matched with a flow guide groove, thereby being convenient to clean and maintain. The fresh air ventilator provides a healthy learning and working environment for students and faculty and employees, and is suitable for the technical field of air purification.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a school fresh air fan with micro-static dust collection and negative ion purification functions. Background Art

[0002] As people's health awareness increases, air quality issues are receiving more and more attention. In closed spaces such as schools, where people are densely populated, higher requirements are placed on air quality. To meet this demand, a new air blower with micro-electrostatic dust collection and negative ion purification functions came into being. Micro-electrostatic dust collection technology uses the principle of static electricity to adsorb and remove particulate matter in the air. The principle is that by applying high-voltage static electricity to the air, the particulate matter in the air is charged, and then the charged particulate matter is adsorbed onto the dust collecting plate through the action of the electric field. This technology has the advantages of high efficiency, environmental protection, and no need to replace the filter regularly. Negative ion purification technology achieves the purpose of purifying the air by generating negative ions to destroy the cell structure of microorganisms such as viruses and bacteria in the air. At the same time, negative ions also help to improve indoor air humidity and provide a comfortable learning environment.

[0003] A Chinese utility model with publication number CN210373935U, the utility model provides a school fresh air fan, including a fan box and a function box, the fan box including a branch air box and a return air motor, the return air motor is installed inside the branch air box, and the return air motor is fixedly connected to the branch air box by screws. The utility model improves the overall structure of the traditional fan and designs a school fresh air fan. Through the structural setting of the fan box and the function box, the installation position of the two can be adjusted according to actual needs, and can be installed separately or as a whole through pipeline connection. It can be installed in coordination up and down, or left and right, which greatly meets the installation needs of users, and through the structural improvement of the fan box, the purpose of a single return air motor being able to simultaneously convey wind power to multiple connected pipes is effectively achieved.

[0004] Although the above-mentioned school's fresh air fan can connect multiple pipes for wind transmission by improving the fan box structure, the simple filtering and purification structure cannot meet the air purification standards required by the classroom. In addition, for use environments that require a large amount of chalk dust purification, the fresh air fan should be specially equipped with components that facilitate the replacement of the dust collection network. Utility Model Content

[0005] The design purpose of the utility model is to provide a school fresh air fan with micro-electrostatic dust collection and negative ion purification functions, which can electrostatically adsorb and filter the air exchanged between the outdoors and the classroom and release negative ions that are beneficial to the human body. The dust collecting net can be easily replaced after purifying and adsorbing a large amount of dust, providing a better teaching environment.

[0006] In view of the above technical problems, the technical solutions adopted by the utility model are as follows:

[0007] A school fresh air fan with micro-static dust collection and negative ion purification functions, comprising a shell, wherein the shell is provided with an air inlet on one side of the outer wall, the top of the shell is also provided with an air outlet, one side of the shell is also provided with a replacement port, a micro-static dust collecting component is provided below the air outlet, the micro-static dust collecting component comprises a micro-static generating field provided below the air outlet, electrode rods are provided on both sides of the micro-static generating field, a dust collecting mesh plate is also provided below the micro-static generating field, a positioning groove is provided on the outer wall of the dust collecting mesh plate, the positioning grooves on both sides are provided with fixing bayonet sockets, a replacement component for replacing the dust collecting mesh plate is also provided on one side of the dust collecting mesh plate, a negative ion generating device is also provided on one side of the micro-static dust collecting component, an exhaust fan is provided below the micro-static dust collecting component, a control circuit board is also provided inside the shell, and a fragrance box is also provided on one side of the control circuit board

[0008] Preferably, the replacement component includes a positioning block matching the replacement port, fixing rods matching the positioning grooves are provided on both sides of the positioning block, a push-fit fixing buckle is provided at the end of the fixing rod, and the positioning block is also provided with a handle on one side of the replacement port for convenient replacement of the dust collecting screen.

[0009] As a preference, the circuit board and the fragrance box are arranged on a bracket arranged at the bottom of the shell, and dust covers are also arranged on the circuit board and the fragrance box.

[0010] As a preference, a fixing hook is provided on the outer wall of the shell, and the shell is also provided with a deflector cover on the outer side of the air inlet.

[0011] As a preference, the heating rods are all ceramic heating rods, a wind speed sensor is provided on the control circuit board, a display interface is provided on one side of the wind speed sensor, a wind control chip is also provided on the control circuit board, and a transformer is provided on one side of the wind control chip.

[0012] Preferably, a hinge is provided on one side of the air outlet, the other side of the hinge is connected to the shell, and a fixing buckle is provided on the other side of the air outlet.

[0013] As a preferred embodiment, a plurality of guide grooves are provided on the air outlet.

[0014] Beneficial effects of the utility model:

[0015] 1. Efficient air purification: Through micro-electrostatic dust collection technology, it can efficiently remove tiny particles in the air, such as dust, pollen, bacteria, etc., while the negative ion purification function helps to eliminate viruses and other microorganisms in the air, thereby significantly improving indoor air quality and creating a healthy learning and working environment for students and faculty and staff.

[0016] 2. Easy to maintain and replace: The micro-electrostatic dust collection components and negative ion generator are designed to be easy to disassemble and replace, which improves the maintenance convenience of the equipment. In particular, the design of the dust collection screen and replacement components allows users to quickly and easily replace the dust collection screen, ensuring long-term and efficient operation of the equipment.

[0017] 3. Intelligent control system: The built-in control circuit board and wind speed sensor allow the device to achieve intelligent control, which can automatically adjust the operation according to the indoor air quality, which can not only ensure the air quality, but also save energy and reduce operating costs. In addition, the display interface and wind control chip settings provide a user-friendly operation interface and precise wind speed control.

[0018] To sum up, through these technical features and beneficial effects, this school fresh air fan can not only provide a healthy air environment, but also ensure the long-term effective operation and user-friendly operation of the equipment. It is an ideal air purification solution for schools and other public places. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is the structural diagram of the school's new air fan;

[0021] Figure 2 It is a schematic diagram of the position structure of the guide cover and the guide groove;

[0022] Figure 3 It is a schematic diagram of the structure of the electrostatic dust collection component;

[0023] Figure 4 This is a schematic diagram of the internal structure of the school's fresh air fan;

[0024] Figure 5 It is a schematic diagram of the structure of the circuit board;

[0025] Figure 6 A schematic diagram of the structure of the replacement component.

[0026] Figure numerals: shell 1, replacement port 11, bracket 12, dust cover 13, fixed hook 14, air deflector 15, air inlet 2, air outlet 3, hinge 31, fixed buckle 32, guide groove 33, micro-static dust collecting component 4, micro-static generating field 41, electrode rod 42, dust collecting mesh plate 43, positioning groove 431, fixed buckle 432, negative ion generating device 44, replacement component 5, positioning block 51, fixing rod 52, press fixing buckle 53, handle 54, exhaust fan 6, control circuit board 7, wind speed sensor interface 71, display interface 72, wind control chip 73, transformer 74, fragrance box 8. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.

[0028] Embodiment 1

[0029] like Figures 1 to 6 As shown, a fresh air fan for school is characterized in that its design has micro-electrostatic dust collection and negative ion purification functions. The fresh air fan includes a sturdy shell 1, and an air inlet 2 is provided on one side of the outer wall for air to enter. An air outlet 3 is arranged on the top for discharging the purified air into the room. A replacement port 11 is provided on one side of the shell to facilitate maintenance and replacement of filter elements. The micro-electrostatic dust collection component 4 is located below the air outlet 3, and includes a micro-electrostatic generating field 41, an electrode rod 42 and a dust collecting screen 43. A positioning groove 431 is provided on the outer wall of the dust collecting screen, and the positioning grooves on both sides thereof are provided with fixing bayonet 432 to ensure that the dust collecting screen is firmly installed below the micro-electrostatic generating field. A replacement component 5 for replacing the dust collecting screen is provided on one side of the dust collecting screen, which is convenient for quick and easy maintenance. A negative ion generating device 44 is installed on one side of the micro-electrostatic dust collecting component, which can generate negative ions to further enhance the air purification effect. An exhaust fan 6 is installed below the component, which is responsible for sucking in indoor air and purifying it through the micro-electrostatic dust collection component. A control circuit board 7 is installed inside the shell, which is responsible for the intelligent control and operation of the entire fresh air fan. A fragrance box 8 is also provided on one side of the circuit board, which can add fragrance as needed, improving the indoor air quality while adding a comfortable atmosphere.

[0030] like Figure 6As shown, the replacement component 5 includes a positioning block 51 that matches the shape and size of the replacement port 11. Fixed rods 52 are installed on both sides of the positioning block 51. The design of these fixing rods 52 matches the positioning grooves 431 on the dust collecting screen 43 to ensure that the replacement component 5 can be accurately installed on the dust collecting screen 43. The ends of the fixing rods 52 are equipped with press-on fixing buckles 53, and users can firmly fix the positioning block 51 and the dust collecting screen 43 by pressing these buckles 53. In addition, a handle 54 is installed on one side of the positioning block 51 for user convenience. The design of this handle 54 makes it easier to replace the dust collecting screen 43. The user can easily hold the handle 54 and gently pull out the positioning block 51 to achieve rapid replacement of the dust collecting screen 43.

[0031] like Figure 4 and Figure 5 As shown, the circuit board 7 and the fragrance box 8 of the fresh air blower are placed on a special bracket 12 at the bottom of the housing 1 to ensure that they are in a suitable position and are easy to install and maintain. In order to protect the circuit board 7 and the fragrance box 8 from dust and pollutants, dust covers 13 are also provided on their surfaces. The design of these dust covers 13 can prevent dust and other particles from entering without hindering the normal operation and heat dissipation of the equipment.

[0032] like Figure 2 As shown, the housing 1 of the fresh air blower is designed to include fixing hooks 14, which are located on the outer wall, so that the user can fix the fresh air blower to the wall or other supporting structure to ensure the stable placement of the device and prevent accidental movement. In addition, the housing 1 is also equipped with a deflector 15 on the outside of the air inlet 2. The function of the deflector 15 is to optimize the air flow and guide the air to pass through the air inlet 2 more efficiently, thereby improving the overall air handling efficiency of the fresh air blower. The design of the deflector 15 takes into account the principles of aerodynamics to reduce air flow resistance and increase air intake, ensuring that the device can continuously provide fresh air.

[0033] like Figure 5 As shown, the control circuit board 7 of the fresh air fan is equipped with a wind speed sensor interface 71, which is used to connect the wind speed sensor to monitor and control the wind speed of the fresh air fan in real time. A display interface 72 is set on one side of the wind speed sensor interface 71, which allows the user to intuitively view the wind speed data and other related information through the connected display. The control circuit board 7 also integrates a wind control chip 73, which is responsible for processing the signal of the wind speed sensor and adjusting the operating speed of the fan according to the preset program and user settings. A transformer 74 is connected to one side of the wind control chip 73, which is used to provide a stable voltage supply to ensure the normal operation of the circuit board 7 and the wind control chip 73.

[0034] like Figure 1 and Figure 2As shown, the air outlet 3 of the fresh air fan is designed to include a hinge 31, which is located on one side of the air outlet and can be connected to the housing 1 on the other side. The function of the hinge 31 is to allow the air outlet 3 to be opened and closed relative to the housing 1, so as to facilitate cleaning and maintenance by the user. On the other side of the air outlet 3, a fixing buckle 32 is provided. These fixing buckles 32 are used to ensure that the air outlet 3 remains stable when opened and closed to prevent accidental movement or loosening. The design of the fixing buckle 32 can ensure the stability of the air outlet without hindering its adjustability, so that the user can easily adjust the posture of the air outlet according to needs.

[0035] like Figure 2 As shown, the air outlet 3 of the fresh air blower is designed to include a plurality of guide grooves 33, which are opened on the surface of the air outlet. The purpose of the guide grooves 33 is to improve and optimize the air flow characteristics. They can guide the air to flow out in a specific direction and speed, thereby improving the air outlet efficiency and distribution uniformity.

[0036] Working process

[0037] The fresh air blower inhales indoor air through the air inlet 2. After the air enters, it first passes through the micro-electrostatic dust collection component 4, which includes a micro-electrostatic generating field 41, an electrode rod 42 and a dust collection screen 43. The charged dust collection screen 43 attracts and captures dust particles in the air to achieve efficient dust removal. A negative ion generator 44 is installed on one side of the micro-electrostatic dust collection component, which can generate negative ions to further enhance the air purification effect. The purified air passes through the exhaust fan 6, which is responsible for inhaling indoor air and purifying it through the micro-electrostatic dust collection component 4. A control circuit board 7 is installed inside the shell, which is responsible for the intelligent control and operation of the entire fresh air blower. A fragrance box 8 is also provided on one side of the circuit board, which can add fragrance as needed to improve the indoor air quality and add a comfortable atmosphere. The purified air is discharged into the room from the air outlet 3. The design of the air outlet 3 includes a hinge 31 and a fixing buckle 32. The hinge 31 is located on one side of the air outlet and can be connected to the shell 1 on the other side to facilitate user cleaning and maintenance. The fixing buckle 32 is used to ensure that the air outlet 3 remains stable when opened and closed to prevent accidental movement or loosening. In addition, a number of guide grooves 33 are provided on the air outlet 3. The purpose of these guide grooves 33 is to improve and optimize the air flow characteristics. They can guide the air to flow out in a specific direction and speed, thereby improving the air outlet efficiency and distribution uniformity. The working process of the entire fresh air fan is intelligently controlled by the control circuit board 7, ensuring the air purification effect while providing fresh and healthy indoor air.

[0038] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0039] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0040] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by technicians familiar with the technical field under the technical tips of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A school fresh air fan with micro-electrostatic dust collection and negative ion purification functions, comprising a housing (1), wherein the housing (1) is provided with an air inlet (2) on one side of the outer wall, and the top of the housing (1) is also provided with an air outlet (3), characterized in that: A replacement port (11) is also provided on one side of the housing (1); a micro-static dust collecting component (4) is provided below the air outlet (3); the micro-static dust collecting component (4) comprises a micro-static generating field (41) provided below the air outlet (3); electrode rods (42) are provided on both sides of the micro-static generating field (41); a dust collecting screen (43) is also provided below the micro-static generating field (41); a positioning groove (431) is provided on the outer wall of the dust collecting screen (43); fixing slots (432) are provided on the positioning grooves (431) on both sides; a replacement component (5) for replacing the dust collecting screen (43) is also provided on one side of the dust collecting screen (43); a negative ion generating device (44) is also provided on one side of the micro-static dust collecting component (4); an exhaust fan (6) is provided below the micro-static dust collecting component (4); a control circuit board (7) is also provided inside the housing (1); and a fragrance box (8) is also provided on one side of the control circuit board (7).

2. A school fresh air fan with micro-electrostatic dust collection and negative ion purification functions according to claim 1, characterized in that: The replacement assembly (5) comprises a positioning block (51) matching the replacement port (11), fixing rods (52) matching the positioning grooves (431) are arranged on both sides of the positioning block (51), and a press-fit fixing buckle (53) is arranged at the end of the fixing rod (52), and the positioning block (51) is also provided with a handle (54) on one side of the replacement port (11) for facilitating replacement of the dust collecting screen (43).

3. The school fresh air fan with micro-electrostatic dust collection and negative ion purification functions according to claim 1 is characterized in that: The circuit board (7) and the fragrance box (8) are arranged on a bracket (12) arranged at the bottom of the housing (1), and dust covers (13) are also arranged on the circuit board (7) and the fragrance box (8).

4. A school fresh air fan with micro-electrostatic dust collection and negative ion purification functions according to claim 1, characterized in that: A fixing hook (14) is provided on the outer wall of the housing (1), and a deflector (15) is also provided on the outer side of the air inlet (2) of the housing (1).

5. The school fresh air fan with micro-electrostatic dust collection and negative ion purification functions according to claim 1 is characterized in that: The control circuit board (7) is provided with a wind speed sensor interface (71), and a display interface (72) is provided on one side of the wind speed sensor interface (71). The control circuit board (7) is also provided with a wind control chip (73), and a transformer (74) is provided on one side of the wind control chip (73).

6. The school fresh air fan with micro-electrostatic dust collection and negative ion purification functions according to claim 1 is characterized in that: A hinge (31) is provided on one side of the air outlet (3), the other side of the hinge (31) is connected to the housing (1), and a fixing buckle (32) is provided on the other side of the air outlet (3).

7. The school fresh air fan with micro-electrostatic dust collection and negative ion purification functions according to claim 1 is characterized in that: A plurality of guide grooves (33) are provided on the air outlet (3).

Images