Ventilation device

Abstract

The utility model provides an air interchanger, which comprises a main body part, an air inlet and an air outlet, the fixing part comprises a first rib arranged on the peripheral side of the air inlet and a plurality of second ribs arranged opposite to the first rib, the second ribs are arranged at intervals, and the first rib and the second ribs form a fixing groove; and the filtering unit is connected with the fixing groove in a sliding manner and can cover the air inlet.

Description

Technical Field

[0001] This utility model relates to the field of electrical equipment technology, specifically to a ventilation device. Background Technology

[0002] Existing ventilation devices typically have a filter unit at the air inlet to prevent dust or foreign objects from entering the device. For ease of routine maintenance and cleaning, a mounting groove or similar structure is provided on the outer periphery of the air inlet, allowing the filter to move along the groove and facilitating installation and removal by the user.

[0003] However, in implementing the above structure, it was found that to ensure the smooth and continuous insertion of the filter unit into the fixing slot, a sliding mechanism mold had to be used due to the length of the fixing slot. This sliding mechanism requires a certain amount of mold space, resulting in a large mold volume and heavy machine, leading to complex production processes, low efficiency, and high costs. Furthermore, since the filter unit is located on the outer periphery of the air inlet, the fixing slot structure obstructs part of the air inlet area, causing a decrease in airflow. Utility Model Content

[0004] To address the aforementioned issues, this utility model provides an air exchange device that simplifies the mold structure, enabling faster demolding and shorter molding cycles, thereby reducing costs and improving processing efficiency, while also optimizing air intake and increasing air volume.

[0005] The ventilation device proposed in this utility model includes: a main body having an air inlet; a fixing part including a first rib disposed on the periphery of the air inlet and a plurality of second ribs disposed opposite to the first rib, the plurality of second ribs being spaced apart, the first rib and the plurality of second ribs forming a fixing groove; and a filter unit slidably connected to the fixing groove and capable of covering the air inlet.

[0006] Optionally, the second rib is formed with a guide portion configured to guide the filter unit into the fixing groove.

[0007] Optionally, the guide portion is located at the first end of the second rib near the fixing groove, and the guide portion extends toward the first end and gradually moves away from the first rib.

[0008] Optionally, the guide portion includes a first guide portion and a second guide portion, wherein the guide portion closest to the first end of the second rib is the first guide portion, and the guide portions located on other second ribs are the second guide portions, and the maximum distance between the first guide portion and the first rib is greater than the maximum distance between the second guide portion and the first rib.

[0009] Optionally, the fixing part further includes: a first limiting rib located at the second end of the fixing groove, the first limiting rib being configured to prevent the filter unit from sliding out of the fixing groove from the second end.

[0010] Optionally, two fixing slots are formed, and the two fixing slots are respectively located on opposite sides of the air inlet.

[0011] Optionally, the first limiting rib connects the two fixing slots, and the fixing part further includes: a second limiting rib connected to the first limiting rib and parallel to the second rib, the second limiting rib being able to partially cover the filter unit.

[0012] Optionally, the fixing part further includes a reset piece, disposed on the second limiting rib, extending in a direction parallel to the second end to the first end, and gradually moving away from the air inlet.

[0013] Optionally, the fixing part further includes: a fixing support rib, parallel to the first rib and at least partially covering the air inlet, the fixing support rib being configured to support the filter unit.

[0014] Optionally, the fixing part further includes a connecting rib, which is disposed on the side of the first rib away from the air inlet, and connects the first rib to at least one second rib.

[0015] As can be seen from the above technical solution, the ventilation device of this utility model has at least the following beneficial effects:

[0016] (1) Since the fixing part includes two or more second ribs, and the second ribs are spaced apart, the side of the fixing groove composed of multiple second ribs is formed into a segmented structure. The fixing groove can be processed by the mold of the inclined top mechanism. Compared with the sliding mechanism, the inclined top mechanism has a simple structure, is easy to process and maintain, so as to simplify the mold, reduce the cost and improve the processing efficiency.

[0017] (2) Due to the spacing of the second ribs, the gap between the second ribs can increase the air intake area, thereby improving the ventilation efficiency. Attached Figure Description

[0018] The above and other objects, features and advantages of the present invention will become clearer from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:

[0019] Figure 1 This is a perspective view of a ventilation device according to an illustrative embodiment of the present invention;

[0020] Figure 2This is a perspective view of a ventilation device according to an illustrative embodiment of the present invention after the lighting module has been removed.

[0021] Figure 3 This is an exploded view of the frame and panel of a ventilation device according to an illustrative embodiment of the present invention.

[0022] Figure 4 This is a perspective view of a ventilation device after disassembling the lighting module and filter unit, according to an illustrative embodiment of the present invention.

[0023] Figure 5 for Figure 4 A magnified view of a portion of point a;

[0024] Figure 6 This is a partial cross-sectional view of a ventilation device according to an illustrative embodiment of the present invention;

[0025] Figure 7 This is a partial cross-sectional view of the ventilation device according to an illustrative embodiment of the present invention from another angle.

[0026] Figure 8 This is a schematic diagram showing the positional relationship between the mold and the panel in one embodiment of this utility model;

[0027] Figure 9 This is a diagram illustrating the positional relationship between the mold and the panel at another angle in one illustrative embodiment of the present invention.

[0028] Figure 10 for Figure 9 A magnified view of a section at point b in the middle;

[0029] Figure 11 This is a perspective view of the first sub-mold detached from the panel, representing an illustrative embodiment of the present invention.

[0030] Figure Labels

[0031] 1. Main body; 11. Air inlet; 12. Frame; 121. First air outlet; 122. Frame opening; 13. Panel; 131. Second air outlet; 132. Inner surface; 133. Outer surface;

[0032] 2. Fixing part; 21. First rib; 22. Second rib; 23. Fixing groove; 231. Notch; 24. Guide part; 241. First guide part; 242. Second guide part; 25. First limiting rib; 26. Second limiting rib; 27. Reset piece; 28. Fixing support rib; 281. First fixing support rib; 282. Second fixing support rib; 29. ​​Connecting rib;

[0033] 3. Filter unit; 31. Filter screen support; 311. Outer frame; 312. Inner frame; 32. Filter media;

[0034] 4. Air guide plate;

[0035] 5. Air guide section;

[0036] 6. Lighting components; 61. Rear side;

[0037] 71. First partition plate; 72. Second partition plate;

[0038] 8. Mold; 81. First sub-mold; 811. First part; 812. Second part; 82. Second sub-mold; 83. First bottom surface; 84. Second bottom surface; 85. Top surface of the mold. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0040] The orientations or positional relationships described below are for the convenience of describing this utility model and simplifying the description only, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. For example, terms such as "vertical", "horizontal", "left", "right", "up", "down", "front", "rear" and similar expressions are for illustrative purposes only and do not represent the only embodiments.

[0041] The terms "upstream" and "downstream" are relative to the airflow generated when the ventilation system is operating normally. "Upstream direction" refers to the opposite direction of the airflow; "downstream direction" refers to the direction of the airflow. "Upstream side" refers to the side located in the upstream direction; "downstream side" refers to the side located in the downstream direction.

[0042] Furthermore, the use of ordinal numbers such as "first" and "second" in the specification and claims to modify the corresponding elements does not itself imply or represent any ordinal number of the element, nor does it represent the order of one element with another element, or the order of manufacturing methods. The use of these ordinal numbers is only to enable a named element to be clearly distinguished from another element with the same name.

[0043] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] This invention provides a ventilation device. The ventilation device may include a main body 1, a fixing part 2, and a filter unit 3. The main body 1 has an air inlet 11. The fixing part 2 includes a first rib 21 disposed on the periphery of the air inlet 11, and a plurality of second ribs 22 disposed opposite to the first rib 21. The plurality of second ribs 22 are spaced apart. The first rib 21 and the plurality of second ribs 22 form a fixing groove 23. The filter unit 3 is slidably connected to the fixing groove 23 and can cover the air inlet 11.

[0045] According to the embodiments of this disclosure, since the fixing part 2 includes a plurality of second ribs 22, and the second ribs 22 are spaced apart, the side of the fixing groove 23 composed of the plurality of second ribs 22 is formed into a segmented structure. The fixing groove 23 can be processed using a mold 8 with an inclined ejector mechanism. Compared with a sliding mechanism, the inclined ejector mechanism has a simpler structure, is easier to process and maintain, thereby simplifying the mold 8, reducing costs, and improving processing efficiency. Furthermore, since the second ribs 22 are spaced apart, the gap between the second ribs 22 can increase the air intake area, thereby improving the ventilation efficiency.

[0046] The following is combined Figures 1 to 11 The ventilation device of this utility model will be described in detail.

[0047] In some embodiments, after normal installation, the ventilation device may be installed between the building roof and ceiling. One sidewall of the ventilation device may be flush with the ceiling; for example, the bottom surface of the ventilation device may be flush with the ceiling.

[0048] like Figures 1 to 3 As shown, the ventilation device of this utility model includes a main body 1, an air inlet 11, and a heating component (not shown).

[0049] The main body 1 includes a frame 12 and a panel 13. The frame 12 is box-shaped and has an opening 122. Specifically, the frame 12 can be a hollow cuboid box, and its shape can be adapted to the shape of the components housed inside. In this embodiment, the frame 12 has six sides: a top surface, a bottom surface, and four side surfaces. A first air outlet 121 is provided on the side surface of the frame 12, allowing air inside the frame 12 to be discharged outside. The first air outlet 121 can be connected to the outside via a connector to a pipe, thereby discharging indoor air to the outside and achieving ventilation. In the normal installed state of the ventilation device, the opening 122 is located on the bottom surface. In other optional embodiments, the location of the opening 122 can be set according to actual needs; this utility model does not limit the location of the opening 122.

[0050] A heating component is located inside the frame 12 and is used to heat the air entering the frame 12 from the air inlet 11.

[0051] Panel 13 is plate-shaped, connected to frame 12, and at least partially covers frame opening 122. In this embodiment, since frame opening 122 is located on the bottom surface, panel 13 is also located on the bottom surface of frame 12. Panel 13 also has a second air outlet 131, located downstream of the heating component, to allow heated air to be discharged outside frame 12. A grille (not shown) or a guide plate 4 can be provided at the second air outlet 131. The guide plate 4 can be rotated open to allow air to be blown out from the second air outlet 131.

[0052] An air inlet 11 is an opening for air to enter the ventilation device. In this embodiment, the frame 12 and the panel 13 can together form the air inlet 11. The air inlet 11 can be characterized as the portion of the frame opening 122 not covered by the panel 13, allowing air to enter the frame 12. When the ventilation device is installed on the ceiling, the air inlet 11 can be located on the bottom surface of the frame 12, meaning that after the ventilation device is installed, the air inlet 11 can face the external space. The external space can be an indoor space other than the ventilation device. In other optional embodiments, the air inlet 11 can be located on the side of the frame 12, depending on the requirements of the ventilation device's duct structure, installation location, etc.

[0053] The ventilation device may also include a filter unit 3 and a fixing part 2.

[0054] The filtering unit 3 is provided on the upstream side of the air inlet 11 and is used to filter air. The filtered air enters the housing 12 through the air inlet 11. The filtering unit 3 is in sheet or plate shape and includes a filter screen support 31 and a filter medium 32. The filtering unit 3 can be a primary filtering unit 3, and the filter medium 32 can be a nylon net, a sponge net, a non-woven fabric, etc. In other alternative embodiments, it can also be other types of filtering units 3, for example: a composite filtering unit 3. In order to effectively filter air, the filtering unit 3 covers the air inlet 11. In this embodiment, the size and shape of the filtering unit 3 are determined according to the size and shape of the air inlet 11, that is, the filter screen support 31 is determined according to the size and shape of the air inlet 11. Specifically, in this embodiment, the air inlet 11 is square, and the filter screen support 31 includes an outer frame 311 and an inner frame 312. The outer frame 311 has the same shape as the air inlet 11 and is in a "square" - shaped structure. The inner frame 312 is in a "cross" - shaped structure to make the filter medium 32 installed on the filter screen support 31 flat and avoid unevenness affecting the filtering effect. The outer frame 311 and the inner frame 312 form a "field" - shaped structure. And, the area of the filtering unit 3 is larger than the area of the air inlet 11. Two opposite sides of the outer frame 311 can be inserted into the fixing grooves 23 of the fixing part 2, and the filtering unit 3 can be installed and disassembled by sliding. In other alternative embodiments, the inner frame 312 can also be in an "×" - shaped structure, forming a " " structure with the outer frame 311.

[0055] The fixing part 2 is used to fix the filtering unit 3 on the upstream side of the air inlet 11. In this embodiment, the fixing part 2 can be provided on the panel 13. In other alternative embodiments, the setting position of the fixing part 2 can be determined according to the duct structure and installation position of the ventilation device, the setting position of the air inlet 11, etc. For example: when the air inlet 11 is provided on the side, the fixing part 2 can be provided on the side of the housing 12, that is, the filtering unit 3 is also provided on the side of the housing 12.

[0056] As Figures 4 to 5 shown, the fixing part 2 includes a fixing groove 23 for fixing the filtering unit 3. Further, two fixing grooves 23 can be formed, and the two fixing grooves 23 can be respectively provided on opposite sides of the air inlet 11.

[0057] The fixing part 2 can include a first rib 21 and a plurality of second ribs 22 arranged opposite to the first rib 21.

[0058] The first rib 21 is provided on the panel 13 and is located on the outer peripheral side of the air inlet 11. The second ribs 22 are parallel and spaced apart from the first rib 21. The outer frame 311 of the filter screen support 31 can be inserted into the fixing groove 23 formed by the second ribs 22 and the first rib 21, that is, the second ribs 22 and the first rib 21 can clamp the outer frame 311.

[0059] The second rib 22 is located on the side of the first rib 21 away from the air inlet 11. The fixing part 2 may include two or more second ribs 22. The second ribs 22 are spaced apart, that is, the fixing groove 23 may have notches 231 formed between the second ribs 22, so that the side of the fixing groove 23 composed of multiple second ribs 22 is formed into a segmented structure. The fixing groove 23 can be processed by the mold 8 with the inclined top mechanism. When the filter unit 3 is removed, part of the structure of the first rib 21 can be seen through the notches 231. Based on the processing technology and the structure of the mold 8 for manufacturing the fixing groove 23, the length of the second rib 22 must be greater than or equal to m. In this embodiment, the processing technology and mold 8 structure make m ≥ 36 mm. In other optional embodiments, the value of m will be different depending on the different processes and mold 8 structures. The number of notches 231 can be determined according to the number of second ribs 22. There can be n second ribs 22, and the number of notches 231 can be n-1. There can be more than two second ribs 22, that is, there must be at least one notch 231. If the length of the notch 231 is r, then the total length of the fixing groove 23 can be L = n × m + (nl) × r. In this embodiment, each fixing groove 23 has two second ribs 22 and one notch 231. The total length of the fixing groove 23 is 178 mm, and the length of the notch 231 is 10 mm. Under the premise of satisfying the above length conditions, the multiple second ribs 22 can be of the same length or different lengths. Furthermore, the multiple notches 231 can be formed between the multiple second ribs 22 at arbitrary lengths or of equal length. In this embodiment, the second ribs 22 are of the same length, and the two symmetrically arranged fixing grooves 23 are each provided with a notch 231. The two notches 231 are arranged opposite each other and are located above the intersection of the first fixing support rib 281 and the first rib 21 described below.

[0060] Furthermore, such as Figures 8-11 As shown, the mold 8 of the inclined ejector mechanism may include n first sub-molds 81 and n-1 second sub-molds 82. The first sub-molds 81 may include a first part 811 and a second part 812. The height of the first part 811 is lower than the height of the second part 812. The second sub-molds 82 may be located between two first sub-molds 81. Before injecting the manufacturing material, the first sub-molds 81 and the second molds 82 may fit tightly together. The first bottom surface 83 of the first part 811 and the second bottom surface 84 of the second sub-mold 82 may be on the same horizontal plane. During demolding, the second sub-molds 82 can be moved in a direction perpendicular to the first bottom surface 83 (e.g., ...). Figure 8 (as shown in the F1 direction), so that a notch 231 is formed at the previous position of the second sub-mold 82. By moving the first sub-mold 81 in a direction parallel to the first bottom surface 83 (as shown in the F1 direction), Figure 8As shown in the F2 direction, the second rib 22 is formed at the previous location of the mold top surface 85 of the first part 811, and the first rib 21 is formed at the previous locations of the first bottom surface 83 and the second bottom surface 84. It should be understood that the shape of the mold top surface 85 matches the shape of the second rib 22. Since the lengths of the first sub-mold 81 and the second sub-mold 82 are relatively small, demolding can be carried out more easily, thereby improving processing efficiency.

[0061] The second rib 22 has a guide portion 24. The guide portion 24 can be used to guide the filter unit 3 into the fixing groove 23. The guide portion 24 can be formed at either end of the second rib 22, for example, as shown in the figure. Figure 5 As shown, the guide portion 24 can be formed at the lower end of the second rib 22. Furthermore, guide portions 24 can be provided at both ends of the second rib 22.

[0062] Furthermore, the guide portion 24 can be positioned at the first end of the second rib 22 near the fixing groove 23. The guide portion 24 extends towards the first end and gradually moves away from the first rib 21. The first end of the fixing groove 23 can be any end of the fixing groove 23. For example, the first end of the fixing groove 23 can be... Figure 5 The lower end of the fixing groove 23 is shown. Further, the first end of the fixing groove 23 can be considered the entrance of the fixing groove 23, that is, the guide portion 24 can be located on the second rib 22 near the entrance of the fixing groove 23. The term "entrance" refers to the position where the fixing groove 23 first contacts the filter unit 3 when the filter unit 3 slides into it.

[0063] The guide portion 24 may include a first guide portion 241 and a second guide portion 242. The guide portion 24 closest to the first end of the second rib 22 is the first guide portion 241. The guide portions 24 located on other second ribs 22 are the second guide portions 242. It can be understood that the first guide portion 241 is closer to the entrance of the fixing groove 23 than the second guide portion 242. The first guide portion 241 extends toward the first end and gradually moves away from the first rib 21. Further, the first guide portion 241 may be formed with an inclined surface that extends toward the entrance of the fixing groove 23 and gradually moves away from the first rib 21.

[0064] The second guiding portion 242 is located between adjacent second rib strips 22. It can be understood that the second guiding portion 242 is formed at a position of the second rib strip 22 close to the notch 231. The second guiding portion 242 extends towards the first end and gradually moves away from the first rib strip 21. Further, the second guiding portion 242 may be formed with an inclined surface that extends towards the entrance of the fixing groove 23 and gradually moves away from the first rib strip 21. That is, compared with the plane where other positions of the second rib strip 22 are located, the second guiding portion 242 tilts towards the following lighting component 6 direction. The number of the second guiding portions 242 is the same as that of the notch 231, so that when the outer frame 311 of the filtering unit 3 passes through the notch 231, it can enter the gap between the second rib strip 22 and the first rib strip 21 along the inclined direction of the second guiding portion 242, preventing the filtering unit 3 from slipping out of the notch 231.

[0065] The maximum distance between the first guiding portion 241 and the first rib strip 21 is greater than the maximum distance between the second guiding portion 242 and the first rib strip 21.

[0066] The fixing portion 2 may further include a connecting rib 29, a first limiting rib strip 25, a second limiting rib strip 26, and a reset piece 27.

[0067] The connecting rib 29 may be provided on a side of the first rib strip 21 away from the air inlet 11. The connecting rib 29 may be used to connect at least one second rib strip 22 to the first rib strip 21. From the longitudinal cross-section of the ventilation device, the connecting rib 29 may form a "匚" shape and an inverted "匚" shape with the second rib strip 22 and the first rib strip 21. The second rib strip 22, the first rib strip 21, and the connecting rib 29 may all be strip-shaped.

[0068] The connecting ribs 29 disposed oppositely on both sides of the air inlet 11 may limit the movement of the filtering unit 3 in the horizontal direction and have a limiting effect.

[0069] The first limiting rib strip 25 is disposed at the second end of the fixing groove 23. The first limiting rib strip 25 may be used to prevent the filtering unit 3 from slipping out of the fixing groove 23 from the second end. The second end may be expressed as the other end opposite to the first end of the fixing groove 23. For example, the second end of the fixing groove 23 may be Figure 5 the upper end of the shown fixing groove23. In the case where two fixing grooves 23 are formed in the fixing portion 2, the first limiting rib strip 25 may connect the two fixing grooves 23. For example, it connects the second ends of the two fixing grooves 23 to increase the contact area between the first limiting rib strip 25 and the filtering unit 3, thereby further preventing the filtering unit 3 from slipping out of the fixing groove 23 along the fixing groove 23.

[0070] The second limiting rib strip 26 may be connected to the first limiting rib strip 25. The second limiting rib strip 26 may be parallel to the second rib strip 22. The second limiting rib strip 26 may partially cover the filtering unit 3, so as to apply pressure to the filtering unit 3 and make the filtering unit 3 better fit the fixing portion 2.

[0071] A reset piece 27 is disposed on the second limiting rib 26. The reset piece 27 extends in a direction parallel to the second end to the first end and gradually moves away from the air inlet 11. Further, in this embodiment, the reset piece 27 may be formed with an arc surface that extends obliquely from a position parallel to the second rib 22 in a direction away from the air inlet 11. Depending on the structure of the filter unit 3, multiple reset pieces 27 may be provided. In this embodiment, two reset pieces 27 are provided, respectively disposed on both sides of the second fixed support rib 282 described below, that is, between the fixing groove 23 and the second fixed support rib 282.

[0072] The fixing part 2 also includes a fixing support rib 28.

[0073] The fixed support rib 28 can be used to support the filter unit 3. The fixed support rib 28 can be strip-shaped and at least partially covers the air inlet 11. The fixed support rib 28 can be parallel to the plane where the first rib 21 is located, used to strengthen and fix the filter unit 3 to prevent the filter unit 3 from deforming and causing performance degradation. The fixed support rib 28 can include a first fixed support rib 281 and a second fixed support rib 282. In order to ensure the air intake, the first fixed support rib 281 and the second fixed support rib 282 can be set according to the structure of the inner frame 312 of the filter unit 3. That is, the first fixed support rib 281 and the second fixed support rib 282 can be arranged in the same way as the structure of the inner frame 312 of the filter unit 3. In this embodiment, the first fixed support rib 281 is strip-shaped and connects two oppositely arranged first ribs 21. The second fixed support rib 282 is strip-shaped and perpendicular to the first fixed support rib 281. The first fixed support rib 281 and the second fixed support rib 282 cooperate to form a "+" structure. In other alternative embodiments, the inner frame 312 of the filter unit 3 can be in the shape of an "X", then the first fixed support rib 281 and the second fixed support rib 282 can be in the shape of an "X".

[0074] like Figures 1 to 4 , Figures 6 to 7 As shown, an air guide 5 is also provided on the outer periphery of the air inlet 11. The air guide 5 is an inclined surface formed from the upstream side to the downstream side of the air inlet 11. In this embodiment, the air guide 5 can be provided on the panel 13. Figures 1 to 3 As shown, the air guide 5 has an inclined surface extending from the inner surface 132 of the panel 13 toward the outer surface 133 of the panel 13, forming a structure that recesses into the frame 12. The inner surface 132 of the panel 13 can be the surface of the panel 13 adjacent to the frame 12. Further, the inner surface 132 of the panel 13 can have a height difference with the fixing part 2, and the fixing part 2 is recessed into the frame 12. The air guide 5 can be arranged around the air inlet 11, that is, around the fixing part 2. Based on the square structure of the fixing part 2, the air guide 5 can be configured as four trapezoidal inclined surfaces surrounding the air inlet 11.

[0075] like Figure 1 , Figure 3 , Figure 6 , Figure 7 As shown, a lighting component 6 is also provided on the panel 13. The lighting component 6 is disposed within the air guide section 5 and at least partially obscures the fixing section 2. In this embodiment, the lighting component 6 is installed in the recessed structure formed by the air guide section 5 and has a gap with the inclined surface of the air guide section 5 so that air can enter through the gap between the lighting component 6 and the air guide section 5. The side of the lighting component 6 facing the filter unit 3 is the back surface 61 of the lighting component 6. Multiple partition plates are provided at equal intervals on the edge of the back surface 61. Specifically, the partition plates include a first partition plate 71 and a second partition plate 72. The first partition plate 71 and the second partition plate 72 are symmetrically arranged. The first partition plate 71 can be located between the two guide sections 24, and the second partition plate 72 is located between the two reset pieces 27.

[0076] The following describes the installation and disassembly methods of the filter unit 3 in this embodiment of the present invention.

[0077] When the user needs to install the filter unit 3, firstly, align the filter unit 3 with the two symmetrically arranged first guide portions 241. Since the first guide portions 241 extend towards the entrance of the fixing groove 23 and gradually move away from the inclined surface of the first rib 21, the outer frame 311 of the filter unit 3 can slide into the fixing groove 23 along the inclined direction of the first guide portions 241. Because of the first guide portions 241 and the second rib 22, the outer frame 311 of the filter unit 3 can enter the gap between the second rib 22 and the first rib 21. When the outer frame 311 of the filter unit 3 slides to the notch 231, since the edge of the notch 231 is provided with a second guide portion 242, which extends towards the entrance of the fixing groove 23 and gradually moves away from the inclined surface of the first rib 21, the outer frame 311 of the filter unit 3 can continue to enter the gap between the second rib 22 and the first rib 21 along the inclined direction of the second guide portion 242 after passing through the notch 231, preventing it from sliding out of the notch 231. The filter unit 3 continues to slide until the outer frame 311 completely overlaps with the limiting ribs and the fixing grooves 23 on both sides. Since the fixing part 2 includes the first limiting rib 25, the outer frame 311 is prevented from sliding out along the fixing grooves 23 into the fixing part 2. Furthermore, since the second limiting rib 26 is provided with a reset piece 27, which has an arc surface extending obliquely from a position parallel to the second rib 22 away from the air inlet 11, the second limiting rib 26 and the reset piece 27 prevent the filter unit 3 from deforming and causing the outer frame 311 to protrude from the second limiting rib 26. The cooperation between the second limiting rib 26 and the reset piece 27 ensures that the filter unit 3 fits more closely to the air inlet 11, preventing gaps between the filter unit 3 and the fixing part 2 due to filter deformation, thus reducing the filtration effect and affecting air quality. In addition, the fixing part 2 also includes a fixing support rib 28, which strengthens the fixing of the filter unit 3 to prevent deformation and performance degradation. The fixed support rib 28 includes a first fixed support rib 281 and a second fixed support rib 282. The first fixed support rib 281 and the second fixed support rib 282 are consistent with the structure of the inner frame 312 of the filter unit 3 to ensure the air intake volume and avoid reducing the air intake volume due to inconsistency, which would affect the performance.

[0078] When the user needs to maintain and clean the filter unit 3, simply pull it out in the opposite direction of installation. Since the reset plate 27, the second guide portion 242, and the first guide portion 241 are all tilted in the same direction, extending from the plane parallel to the second rib 22 outwards from the ventilation device, the filter unit 3 can be easily disassembled.

[0079] The working process of the ventilation device according to the present invention will be described below.

[0080] like Figures 1 to 2As shown, when the ventilation device is operating, the air around the panel 13 is guided by an air guide 5, which has an inclined surface extending from the inner surface 132 of the panel 13 towards the outer surface 133. This air guide 5 allows air to enter between the lighting assembly 6 and the fixing part 2, forming airflow directions w1, w2, w3, and w4. Furthermore, because multiple equally spaced partitions are provided at the edge of the back surface 61 of the lighting assembly 6, airflow directions w1 and w2 can flow smoothly into the fixing part 2 along the partitions, reducing turbulence and noise. The fixing groove 23 has a notch 231, which increases the air intake area of ​​airflow directions w3 and w4 on the second rib 22. Under the action of the air guide 5, the notch 231 and the air guide 5 work together to concentrate airflow at the notch 231, reducing surrounding turbulence and noise. Air entering the center of the fixed part 2 passes through the air inlet into the frame 12, and is then blown out from either the first air outlet 121 or the second air outlet 131. When a customer needs heating, the heating mode is set, and the air passes through the heating element and is finally blown into the room from the second air outlet 131. When a customer needs ventilation, the ventilation mode is set, and the air is blown out to the outside from the first air outlet 121.

[0081] The embodiments of this utility model have now been described in detail with reference to the accompanying drawings. Based on the above description, those skilled in the art should have a clear understanding of this utility model.

[0082] It should be noted that implementations not illustrated or described in the accompanying drawings or the main text of the specification are forms known to those skilled in the art and are not described in detail. Furthermore, the definitions of the various elements above are not limited to the specific structures and shapes mentioned in the embodiments; those skilled in the art can easily modify or substitute them. The embodiments of this utility model have been described above. However, these embodiments are merely for illustrative purposes and are not intended to limit the scope of this utility model. Although various embodiments have been described above, this does not mean that the measures in the various embodiments cannot be used advantageously in combination. The scope of this utility model is defined by the appended claims and their equivalents. Without departing from the scope of this utility model, those skilled in the art can make various substitutions and modifications, all of which should fall within the scope of this utility model.

Claims

1. A ventilation device, characterized in that The application relates to a filter device. The filter device comprises: a main body part formed with an air inlet; a fixing part comprising a first rib arranged on the periphery of the air inlet, and a plurality of second ribs arranged opposite to the first rib, the plurality of second ribs being arranged at intervals, and the first rib and the plurality of second ribs forming a fixing groove; and 2. The ventilation device according to claim 1, characterized in that a filter unit slidably connected to the fixing groove and capable of covering the air inlet.

3. The ventilation device according to claim 2, characterized in that The second rib is formed with a guide part configured to guide the filter unit to slide into the fixing groove.

4. The ventilation device according to claim 3, characterized in that The guide part is arranged at a position close to the first end of the second rib, and the guide part extends towards the first end and gradually moves away from the first rib.

5. The ventilation device of claim 3, wherein, The guide part comprises a first guide part and a second guide part, wherein the guide part of the second rib closest to the first end is the first guide part, and the guide parts of the other second ribs are the second guide parts, and the maximum distance between the first guide part and the first rib is greater than the maximum distance between the second guide part and the first rib. The fixing part further comprises:

6. The ventilation device according to claim 5, characterized in that a first limiting rib arranged at the second end of the fixing groove, and configured to prevent the filter unit from sliding out of the fixing groove from the second end.

7. The ventilation device according to claim 6, characterized in that Two fixing grooves are formed, and the two fixing grooves are arranged on opposite sides of the air inlet. The first limiting rib connects the two fixing grooves, and the fixing part further comprises:

8. The ventilation device according to claim 7, characterized in that a second limiting rib connected to the first limiting rib and parallel to the second rib, and capable of partially covering the filter unit. The fixing part further comprises:

9. The ventilation device of claim 1, wherein, a reset sheet arranged on the second limiting rib, extending in a direction parallel to the second end to the first end, and gradually moving away from the air inlet. The fixing part further comprises:

10. The ventilation device of claim 1, wherein, a fixing support rib parallel to the first rib and at least partially covering the air inlet, and configured to support the filter unit. The fixing part further comprises a connecting rib arranged on a side of the first rib away from the air inlet, and connecting the first rib and at least one second rib.

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