Fresh air purifier

Abstract

The utility model relates to the technical field of air purification, aims to solve the technical problem that the air outlet flow speed of an existing product is not uniform enough, and discloses a fresh air purifier which comprises a filter box and an air outlet box, a circuit assembly is arranged above the filter box and the air outlet box, and an operation panel is arranged above the circuit assembly. The air outlet box comprises a cylindrical mesh enclosure, an upper rotating shaft and a lower rotating shaft are arranged at the upper end and the lower end of the cylindrical mesh enclosure respectively and connected with an upper shaft cover and a lower shaft cover through bearing structures respectively, the lower rotating shaft is connected with a motor, and a fixing seat for fixing the motor is arranged below the lower shaft cover. A first arc-shaped wind scooper and a second arc-shaped wind scooper are arranged above the lower shaft cover, and an air outlet used for discharging fresh air is defined by the first wind scooper and the second wind scooper. Due to the design of the cylindrical mesh enclosure, fresh air is discharged more uniformly, and the air circulation effect is improved; compared with a paddle type, the noise is lower, and a quieter use environment is provided; the upper shaft and the lower shaft are fixed through a bearing structure, and rotation stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a fresh air purifier. Background Art

[0002] Most traditional fresh air purifiers use paddle-blade exhaust fans, which drive air flow by rotating blades. Although this design can achieve the purpose of purifying the air to a certain extent, it has a significant problem of uneven air flow. Due to the design characteristics of the blades of paddle-blade exhaust fans, it is easy to form local high-speed airflow and low-speed airflow areas during the air flow process. The air in the high-speed airflow area is better circulated and purified, while the low-speed airflow area may form air stagnation, so that the air quality in these areas cannot be effectively improved. This uneven air flow not only affects the overall air purification effect, but may also cause pollutants to remain in certain areas of the room.

[0003] The propeller-type exhaust fan will generate a lot of noise during operation. This noise mainly comes from the friction between the blades and the air when they rotate and the vibration of the motor when it is running. Especially in fresh air purifiers that need to run for a long time, the noise problem is particularly prominent. For places that require a quiet environment, such as bedrooms, offices and hospitals, the noise problem will greatly affect the user's comfort and work efficiency. Some users even choose to turn off the fresh air purifier because of the noise problem, and thus cannot enjoy the air purification effect brought by the fresh air purifier.

[0004] In summary, traditional fresh air purifiers have significant deficiencies in air flow uniformity and noise control. These problems not only restrict the widespread application of fresh air purifiers, but also seriously affect the user experience. In response to these technical problems, improvements need to be made in design and technology to improve the overall performance and user satisfaction of fresh air purifiers. Utility Model Content

[0005] The utility model aims to provide a fresh air purifier to solve the technical problem that the air outlet flow rate of existing products is not uniform enough.

[0006] To achieve the above-mentioned purpose, the utility model provides a fresh air purifier, including a filter box and an air outlet box, a circuit component is arranged above the filter box and the air outlet box, an operation panel is arranged above the circuit component, the air outlet box includes a cylindrical mesh cover, the upper and lower ends of the cylindrical mesh cover are respectively provided with an upper rotating shaft and a lower rotating shaft, which are respectively connected to the upper shaft cover and the lower shaft cover through bearing structures, the lower rotating shaft is connected to a motor, and a fixing seat for fixing the motor is arranged below the lower shaft cover; an arc-shaped first air guide cover and a second air guide cover are arranged above the lower shaft cover, and the first air guide cover and the second air guide cover enclose an air outlet for discharging fresh air.

[0007] Furthermore, the filter box and the air outlet box are surrounded by two air inlet shells and air outlet shells with L-shaped cross-sections, and the air inlet shell and the air outlet shell are respectively provided with mesh holes corresponding to the air inlet direction and the air outlet direction.

[0008] Furthermore, the filter box is provided with multiple filter layers in sequence from the air inlet direction, and partition frames for maintaining the spacing are provided between each filter layer. The upper and lower sides of the filter layer are provided with an upper box cover and a lower box cover, respectively, and the left and right sides of the filter layer are provided with a left box cover and a right box cover, respectively. A front frame is provided on the front side of the first-stage filter layer, and a rear frame is provided on the rear side of the last-stage filter layer.

[0009] The utility model provides a fresh air purifier with the following advantages:

[0010] The cylindrical mesh cover design makes the fresh air discharge more uniform, significantly improving the air circulation effect; compared with the blade-type exhaust fan, its rotating structure has lower noise and provides a quieter use environment; the structure is stable: the upper and lower shafts are fixed by the bearing structure, which ensures the stability of rotation and prolongs the service life of the equipment. The mesh design on the air inlet and outlet shells further evens out the air circulation and avoids the phenomenon of excessive or insufficient local air volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A three-dimensional diagram of the whole fresh air purifier provided by the utility model;

[0012] Figure 2 This is an exploded view of the main structure of the fresh air purifier provided by the utility model;

[0013] Figure 3 This is an exploded view of the filter box structure provided by the utility model;

[0014] Figure 4 This is a first-view structural exploded view of the air outlet box provided by the utility model;

[0015] Figure 5 This is a second structural exploded view of the air outlet box provided by the utility model;

[0016] Figure 6 This is a transverse cross-sectional view of the fresh air purifier provided by the utility model.

[0017] In the figure: 1, air inlet shell; 2, air outlet shell; 3, operation panel; 4, circuit assembly; 5, air outlet box; 6, filter box; 51, cylindrical mesh cover; 52, motor; 53, first air guide cover; 54, second air guide cover; 55, fixing seat; 56, lower shaft cover; 57, upper shaft cover; 61, first filter layer; 62, second filter layer; 63, third filter layer; 64, fourth filter layer; 65, upper box cover; 66, lower box cover; 67, left box cover; 68, right box cover; 69, front frame; 6A, rear frame; 601, interlayer rack. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figure 1 and Figure 2 The utility model provides a fresh air purifier, including a filter box 6 and an air outlet box 5, a circuit component 4 is arranged above the filter box 6 and the air outlet box 5, an operation panel 3 is arranged above the circuit component 4, and the filter box 6 and the air outlet box 5 are surrounded by two L-shaped cross-section air inlet surface shells 1 and air outlet surface shells 2.

[0020] The integrated design integrates the filter box 6, the air outlet box 5, the circuit assembly 4 and the operation panel 3, which simplifies the structure and facilitates installation and maintenance.

[0021] The air inlet and outlet paths are clear, and the air inlet and outlet paths are clear through the air inlet shell 1 and the air outlet shell 2, thereby improving the efficiency of air circulation.

[0022] See also Figure 3 , Figure 4 and Figure 6 The filter box 6 is provided with a primary filter layer 61, a secondary filter layer 62, a tertiary filter layer 63 and a quaternary filter layer 64 in order from the air inlet direction, and a layer frame 601 is provided between each filter layer to keep a proper spacing between each filter layer, and an upper box cover 65 and a lower box cover 66 are provided on the upper and lower sides of the filter layer, and a left box cover 67 and a right box cover 68 are provided on the left and right sides of the filter layer, respectively. The left box cover 67 and the right box cover 68 are closed covers, and a front frame 69 is provided on the front side of the first filter layer 61, and a rear frame 6A is provided on the rear side of the fourth filter layer 64. The front frame 69 and the rear frame 6A are hollow frames, and the hollow structure allows the airflow to flow directly into the filter layer. The filter box 6 is in close contact with the air outlet box 5, and the fourth filter layer 64 corresponds to the cylindrical mesh cover 51.

[0023] In one embodiment, the first filter layer 61 is a primary filter layer, the second filter layer 62 is an activated carbon filter layer, the third filter layer 63 is a HEPA filter layer, and the fourth filter layer 64 is an electrostatic dust collection layer.

[0024] The air purification effect is effectively improved through multi-stage filtration design, and each level of filtration layer filters pollutants of different particle sizes.

[0025] The interlayer frame 601 maintains an appropriate spacing between the filter layers, avoids mutual interference between the filter layers, and improves the filtering efficiency.

[0026] The closed upper box cover 65, lower box cover 66, left box cover 67 and right box cover 68 prevent unfiltered air from entering, ensuring that all air passes through the filter layer for purification.

[0027] The hollow design of the front and rear frames 6A of the hollow structure makes the airflow smoother and reduces the airflow resistance.

[0028] See also Figure 4 , Figure 5 and Figure 6 The air outlet box 5 includes a cylindrical mesh cover 51. The upper and lower ends of the cylindrical mesh cover 51 are respectively provided with an upper rotating shaft and a lower rotating shaft, which are respectively connected to an upper shaft cover 57 and a lower shaft cover 56 through a bearing structure. The lower rotating shaft is connected to a motor 52. The lower shaft cover 56 is provided below a fixing seat 55 for fixing the motor 52. A first air guide cover 53 and a second air guide cover 54 are provided above the lower shaft cover 56. The first air guide cover 53 and the second air guide cover 54 are arc-shaped. The first air guide cover 53 and the second air guide cover 54 enclose an air outlet for discharging fresh air. The first air guide cover 53 and the second air guide cover 54 enclose an annular channel around the cylindrical mesh cover 51. As can be seen from the figure, the arc-shaped design of the air guide cover fits closely to the outer wall of the cylindrical mesh cover, so that the air can flow along the arc of the air guide cover when being drawn out.

[0029] The arc-shaped design of the air guide helps to evenly guide the airflow. When the air is drawn out by the cylindrical mesh cover, it passes through the arc-shaped channel of the air guide cover to avoid airflow turbulence and ensure smooth and even airflow. This design can reduce the resistance generated by the airflow during the discharge process and improve air circulation efficiency.

[0030] The curved air guide can smoothly guide the air flow, reduce the collision and friction between the air and the inner wall of the air guide during the flow, and thus reduce the airflow noise. Compared with straight or other irregular shaped air guides, the curved design is more helpful in reducing noise and providing a quieter use environment.

[0031] The curved air guide makes the air flow path smoother, avoiding dead corners and eddies during the exhaust process. This design not only improves the air circulation efficiency, but also ensures that more air is effectively exhausted, thus improving the overall performance of the fresh air purifier.

[0032] Compared with the paddle-type exhaust fan, the cylindrical mesh cover 51 has mesh holes arrayed on the cylinder and is driven to rotate by a motor, so the fresh air it exhausts is more uniform. The fresh air purifier can achieve more uniform, low-noise and high-efficiency air circulation.

[0033] The air inlet shell 1 and the air outlet shell 2 are respectively provided with mesh holes corresponding to the air inlet direction and the air outlet direction, so as to further even out the air inlet and the air outlet.

[0034] The cylindrical mesh cover 51 design makes the fresh air discharge more uniform and improves the air circulation effect; the rotating structure is lower than the blade-type exhaust fan, providing a quieter use environment; the structure is stable: the upper and lower shafts are fixed by the bearing structure, ensuring the stability of the rotation and extending the life of the equipment. Further uniformity: the mesh design on the air inlet and outlet shells 2 further uniformizes the air circulation and avoids the phenomenon of excessive or insufficient local air volume; the mesh has a certain filtering effect on large particles, reducing the burden on the filter layer and increasing the life of the filter layer; the mesh design is not only practical, but also makes the appearance of the equipment more beautiful, suitable for home and office environments.

[0035] The utility model provides a fresh air purifier with the following advantages:

[0036] The cylindrical mesh cover design makes the fresh air discharge more uniform, significantly improving the air circulation effect. During the operation of traditional paddle-blade exhaust fans, due to the characteristics of the blades, it is easy to form uneven airflow. The cylindrical mesh cover design can discharge air more evenly by evenly distributing the mesh holes on the circumference, avoiding local concentration of airflow and making the air flow of the entire indoor environment smoother. In addition, this design can effectively reduce air stagnation in dead corners and improve the overall air purification efficiency.

[0037] Compared with the paddle-type exhaust fan, the rotating structure of the cylindrical mesh cover has lower noise and provides a quieter use environment. When the paddle-type exhaust fan is running, the friction between the blades and the air will generate a lot of noise, while the rotating structure of the cylindrical mesh cover drives the entire mesh cover to rotate through the motor, reducing air resistance and friction noise. At the same time, the motor runs more smoothly, further reducing the noise level. This makes the fresh air purifier with a cylindrical mesh cover particularly suitable for noise-sensitive environments, such as bedrooms, offices, hospitals, etc., ensuring that users can enjoy clean air in a quiet environment.

[0038] Stable structure: The fresh air purifier with cylindrical mesh cover is fixed by the upper and lower shafts and bearing structure to ensure the smooth rotation. This design not only improves the operating stability of the equipment, but also effectively reduces the risk of failure due to mechanical looseness. The bearing structure can withstand high-intensity rotation loads and extend the service life of the equipment. In addition, the lubrication design of the bearing structure also reduces mechanical wear and further improves the durability of the equipment. After long-term operation, the equipment can still maintain stable performance, reducing the frequency of maintenance and replacement.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fresh air purifier, comprising a filter box (6) and an air outlet box (5), wherein a circuit assembly (4) is disposed above the filter box (6) and the air outlet box (5), and an operation panel (3) is disposed above the circuit assembly (4), wherein: The air outlet box (5) comprises a cylindrical mesh cover (51), wherein an upper rotating shaft and a lower rotating shaft are respectively provided at the upper and lower ends of the cylindrical mesh cover (51), and are respectively connected to an upper shaft cover (57) and a lower shaft cover (56) through bearing structures, wherein the lower rotating shaft is connected to a motor (52), and a fixing seat (55) for fixing the motor (52) is arranged below the lower shaft cover (56); an arc-shaped first air guide cover (53) and a second air guide cover (54) are arranged above the lower shaft cover (56), and the first air guide cover (53) and the second air guide cover (54) enclose an air outlet for discharging fresh air.

2. The fresh air purifier according to claim 1, characterized in that: The filter box (6) and the air outlet box (5) are surrounded by two air inlet shells (1) and air outlet shells (2) with L-shaped cross-sections, and the air inlet shells (1) and the air outlet shells (2) are respectively provided with mesh holes corresponding to the air inlet direction and the air outlet direction.

3. The fresh air purifier according to claim 2, characterized in that: The filter box (6) is provided with multiple filter layers in sequence from the air inlet direction, and a layer frame (601) for maintaining the spacing is provided between each filter layer. An upper box cover (65) and a lower box cover (66) are provided on the upper and lower sides of the filter layer, respectively, and a left box cover (67) and a right box cover (68) are provided on the left and right sides of the filter layer, respectively. A front frame (69) is provided on the front side of the first filter layer, and a rear frame (6A) is provided on the rear side of the final filter layer.

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