Dehumidifier

Abstract

The utility model discloses a dehumidifier which comprises a base, an air outlet is formed in the top side of the base, an air inlet is formed in the bottom side of the base, a fan is arranged in the base, and airflow flowing from the air inlet to the air outlet can be formed in the base through the fan. A plurality of upper ventilation holes are formed in the top side of the dehumidification box, a plurality of lower ventilation holes are formed in the bottom side of the dehumidification box, a ventilation frame is connected into the dehumidification box, a ventilation channel arranged in the vertical direction is defined by the ventilation frame, a plurality of side ventilation holes are formed in the side wall of the ventilation frame, and a switch assembly is arranged on the top side of the ventilation frame. According to the dehumidifying device, the dehumidifying boxes which can be independently detached for use are arranged, the dehumidifying device is flexible to use, when recycling treatment is needed, the multiple dehumidifying boxes can be treated on the base at the same time, and the dehumidifying device is convenient to use and high in practicability. And the overall use convenience and use experience are greatly improved.

Description

Technical Field

[0001] This utility model relates to a gas drying device, and more particularly to a dehumidifier. Background Technology

[0002] Dehumidifiers employ various dehumidification methods, such as physical dehumidification and chemical dehumidification. For physical dehumidification using absorbent materials like desiccant beads, the packaging box or bag containing these materials is placed in the space requiring dehumidification. When the desiccant beads or bags become ineffective due to excessive moisture absorption, some people discard them entirely, while others reprocess and recycle them using drying or sun-drying methods. However, this process is cumbersome, especially when processing multiple boxes or bags, which requires significant time. Therefore, there is an urgent need for a dehumidifier that can be easily reused. Utility Model Content

[0003] The purpose of this utility model is to provide a dehumidifier to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0004] The solution to the technical problem of this utility model is:

[0005] A dehumidifier includes: a base with an air outlet on its top side and an air inlet on its bottom side; a fan inside the base, which causes an airflow to form within the base from the air inlet to the air outlet; a dehumidifier box with multiple upper ventilation holes on its top side and multiple lower ventilation holes on its bottom side; a ventilation frame connected inside the dehumidifier box; the ventilation frame forming a ventilation channel arranged vertically; multiple side ventilation holes on the sidewalls of the ventilation frame; a switch assembly on the top side of the ventilation frame, which can open or close the multiple upper ventilation holes facing the ventilation channel; multiple dehumidifier boxes detachably connected vertically, with the lowest dehumidifier box detachably connected to the top side of the base; the switch assembly inside the uppermost dehumidifier box being in a closed state; and the switch assembly inside the dehumidifier box between the uppermost dehumidifier box and the base being in an open state.

[0006] This technical solution has at least the following beneficial effects: A space for placing dehumidifying beads and other absorbent substances is formed between the inner side of the dehumidifier box and the ventilation frame. When dehumidification is needed, the dehumidifier box can be detached from the base, and multiple dehumidifier boxes can be separated and placed in different locations for independent use. When dehumidifying a single dehumidifier box is required, it is connected to the top side of the base. At this time, the switch component inside the dehumidifier box is in the closed state. When the fan is turned on, an airflow is formed inside the base from the air inlet to the air outlet. The airflow enters the dehumidifier box through multiple lower ventilation holes on the bottom side. Because the switch component closes multiple upper ventilation holes facing the ventilation channel, the airflow does not flow directly upwards from the ventilation channel but is diverted to the surroundings, blowing onto the dehumidifying beads and other absorbent substances through multiple side ventilation holes on the side wall of the ventilation frame. This carries away moisture from the multiple upper ventilation holes on the top side of the base, thus drying the dehumidifier beads. When there are multiple dehumidifier boxes, they are stacked vertically, with the top one being the dehumidifier box. The switch component inside the dehumidifier box is in the closed state, while the switch component inside the dehumidifier box located between the top dehumidifier box and the base is in the open state. The airflow blowing out from the base enters the bottom dehumidifier box. Some of the airflow is diverted to the surroundings through the internal ventilation channel, carrying away the moisture in the dehumidifier box and then entering the dehumidifier box above it through the upper ventilation hole. The remaining airflow goes directly upwards through the ventilation channel and then into the dehumidifier box above it. This allows for the simultaneous processing of multiple dehumidifier boxes. Furthermore, the switch component inside the top dehumidifier box is in the closed state, preventing the airflow flowing into the top ventilation channel from being directly discharged upwards. Instead, it is all diverted to the surroundings to carry away the moisture in the top dehumidifier box, improving the efficiency of processing multiple dehumidifier boxes simultaneously. Therefore, this utility model has multiple dehumidifier boxes that can be used separately, offering flexibility in use. When recycling is required, multiple dehumidifier boxes can be processed simultaneously on the base, greatly improving the overall convenience and user experience.

[0007] As a further improvement to the above technical solution, the switch assembly includes a cover plate and a guide sleeve. The guide sleeve is connected to the inner top side of the dehumidifier box, and an anti-detachment cap is connected to the bottom end of the guide sleeve. The cover plate can move up and down along the guide sleeve. The cover plate is provided with multiple connecting holes, which are staggered from the multiple upper ventilation holes. A spring is sleeved on the outer side of the guide sleeve. The top end of the spring abuts against the bottom side of the cover plate, and the bottom end of the spring abuts against the anti-detachment cap. The spring has a tendency to press the cover plate upward against the inner top side of the dehumidifier box. A pressure block that extends upward through the dehumidifier box is connected to the top side of the cover plate. In two adjacent dehumidifier boxes, the upper dehumidifier box presses the lower pressure block downward into the dehumidifier box. When a dehumidifier box is used alone, the spring presses the cover plate against the top side of the dehumidifier box, causing the pressure block on the top side of the cover plate to extend upwards through the dehumidifier box. Since the multiple connecting holes on the cover plate are staggered with the multiple upper ventilation holes, the cover plate can block and close the multiple upper ventilation holes on the top side of the dehumidifier box, thereby closing the ventilation channel. When multiple dehumidifiers are stacked, the bottom side of the upper dehumidifier box will press the pressure block inside the lower dehumidifier box downwards. The pressure block will drive the cover plate to move downwards along the guide sleeve. At this time, the spring between the cover plate and the anti-detachment cap is elastically compressed. Since the cover plate leaves the top side of the dehumidifier box, the upper ventilation hole on the top side of the dehumidifier box can be opened. The airflow blowing upwards from the ventilation channel can continue upwards through the multiple connecting holes on the cover plate and then be discharged from the multiple upper ventilation holes on the top side of the dehumidifier box, entering the dehumidifier box above it. In this way, the stacking of two dehumidifier boxes is cleverly used to realize the automatic opening or closing of the switch component.

[0008] As a further improvement to the above technical solution, a limiting frame is connected to the inner top side of the dehumidification box, and the cover plate is located within the limiting frame. The limiting frame can surround and protect the cover plate and limit the horizontal displacement of the cover plate, thereby improving the stability of the cover plate's vertical movement.

[0009] As a further improvement to the above technical solution, the top of the ventilation frame is fitted onto the outside of the limiting frame, and an upper limit rib is connected to the inside of the ventilation frame, the upper limit rib abutting against the bottom side of the limiting frame. When the ventilation frame is installed into the dehumidification box, the top of the ventilation frame is fitted onto the outside of the limiting frame, and the upper limit rib on the inside of the ventilation frame abuts against the bottom side of the limiting rib, which can limit the installation depth of the ventilation frame. This improves the ease of installation of the ventilation frame and makes the ventilation frame more stable when installed inside the dehumidification box.

[0010] As a further improvement to the above technical solution, a bottom cover is detachably connected to the bottom side of the dehumidifier box, and a lower limiting rib is connected to the top side of the bottom cover. The lower limiting rib abuts against the inner bottom of the ventilation frame. During maintenance, the absorbent materials such as moisture-absorbing beads inside the dehumidifier box can be replaced. Simply open the bottom cover and connect it to the inside of the dehumidifier box. Since the lower limiting rib on the top side of the bottom cover abuts against the inner bottom of the ventilation frame, the bottom of the ventilation frame is limited, allowing for quick assembly and disassembly of the entire unit, and ensuring a stable overall connection.

[0011] As a further improvement to the above technical solution, the bottom cover has a downwardly protruding lower frame on its bottom side, and the dehumidifier box has an upwardly protruding upper frame on its top side. In two adjacent dehumidifier boxes, the lower frame is inserted into the upper frame. The upper frame on the top side of the dehumidifier box forms a connection limiting area. When the two dehumidifier boxes are connected, the lower frame of the upper dehumidifier box is aligned with this area and inserted inside, enabling a quick connection between the two dehumidifier boxes with high stability and minimal risk of relative horizontal displacement.

[0012] As a further improvement to the above technical solution, multiple upper ventilation holes are provided along both the horizontal and vertical directions, and multiple lower ventilation holes are provided along both the horizontal and vertical directions. The arrangement of multiple upper ventilation holes along the horizontal and vertical directions ensures both the airflow volume at the top of the dehumidifier box and the structural strength of the top side. Similarly, the arrangement of multiple lower ventilation holes along the horizontal and vertical directions ensures both the airflow volume at the bottom of the dehumidifier box and the structural strength of the bottom side.

[0013] As a further improvement to the above technical solution, a transition groove is formed by a downward recess on the top side of the base, and multiple upper ventilation holes are respectively formed at the bottom of the transition groove. The transition groove can form a space for airflow between the air inlet position of the dehumidification box at the bottom and the base. When the airflow blows upward from the base, it is dispersed to multiple lower ventilation holes on the bottom side of the dehumidification box after passing through the transition groove, and then enters the dehumidification box, improving the uniformity of airflow into the dehumidification box.

[0014] As a further improvement to the above technical solution, an air guide sleeve is connected to the inner top side of the base, directly opposite the air outlet of the fan. A heater is connected inside the air guide sleeve. When the fan blows air out, it passes through the air guide sleeve, where the air is heated by the heater before being blown upwards. The air guide sleeve allows the heat generated by the heater to be more concentrated, thereby improving the heating efficiency of the airflow. When the airflow enters the dehumidifier, the hot air dries the dehumidifying beads and other adsorbed substances in the dehumidification box, further improving the dehumidification efficiency and quality.

[0015] As a further improvement to the above technical solution, the dehumidifier box is connected to a lifting lug. When used alone, the dehumidifier can be suspended from an external structural component via the lifting lug, making it more convenient to use. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly explained below. Obviously, the described drawings are only a part of the embodiments of this utility model, and not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional view of the entire utility model.

[0018] Figure 2 This is an overall top view of the present invention, in which the arrow indicates the airflow direction.

[0019] Figure 3 yes Figure 2 A schematic diagram of the AA cross-sectional structure.

[0020] Figure 4 This is a three-dimensional view of the base of this utility model.

[0021] Figure 5 This is an explosion diagram of the dehumidifier box of this utility model.

[0022] In the attached diagram: 100-base, 110-air outlet, 120-transition groove, 130-air guide sleeve, 131-heater, 140-fan, 200-dehumidification box, 210-upper ventilation hole, 220-lower ventilation hole, 230-ventilation frame, 231-side ventilation hole, 232-upper limit rib, 241-cover plate, 242-guide sleeve, 243-anti-detachment cap, 244-connecting hole, 245-spring, 246-pressure block, 250-limiting frame, 260-bottom cover, 261-lower frame, 262-lower limit rib, 270-upper frame, 300-lifting lug. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0026] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0027] Reference Figures 1 to 4 A dehumidifier includes a base 100 and a dehumidification box 200. The base 100 has an air outlet 110 on its top side and an air inlet on its bottom side. A fan 140 is installed inside the base 100, causing an airflow from the air inlet to the air outlet 110 within the base 100. The dehumidification box 200 has multiple upper ventilation holes 210 on its top side and multiple lower ventilation holes 220 on its bottom side. A ventilation frame 230 is connected inside the dehumidification box 200, forming a ventilation system arranged vertically. The ventilation frame 230 has multiple side ventilation holes 231 on its side wall and a switch assembly on its top side. The switch assembly can open or close multiple upper ventilation holes 210 facing the ventilation channel. Multiple dehumidification boxes 200 are detachably connected in the vertical direction. The lowermost dehumidification box 200 is detachably connected to the top side of the base 100. The switch assembly in the uppermost dehumidification box 200 is in the closed state, and the switch assembly in the dehumidification box 200 between the uppermost dehumidification box 200 and the base 100 is in the open state.

[0028] As described above, a space for placing dehumidifying beads or other absorbent materials is formed between the inner side of the dehumidifier box 200 and the ventilation frame 230. When dehumidification is required, the dehumidifier box 200 can be detached from the base 100, and multiple dehumidifier boxes 200 can be separated from each other and placed in different locations for independent use. When dehumidification is required for a single dehumidifier box 200, the dehumidifier box 200 is connected to the top side of the base 100. At this time, the switch component inside the dehumidifier box 200 is in the closed state, and the fan 140 is turned on, forming an airflow from the air inlet to the air outlet 110 inside the base 100. Airflow enters the dehumidifier 200 through multiple lower ventilation holes 220 on the bottom side. Because the switch assembly closes multiple upper ventilation holes 210 facing the ventilation channel, the airflow does not flow directly upwards from the ventilation channel, but instead disperses to the surroundings, blowing onto the dehumidifier beads and other absorbent materials through multiple side ventilation holes 231 on the side wall of the ventilation frame 230. This carries moisture out through the multiple upper ventilation holes 210 on the top side of the base 100, thus drying the dehumidifier beads. When there are multiple dehumidifier boxes 200, they are stacked vertically, with the top one being the most prominent. The switch assembly inside the square dehumidifier box 200 is in the closed state, while the switch assembly inside the dehumidifier box 200 located between the top dehumidifier box 200 and the base 100 is in the open state. Airflow from the base 100 enters the bottom dehumidifier box 200. Part of the airflow is diverted outwards through the internal ventilation channel, carrying away moisture from that box before passing through the upper ventilation hole 210 into the dehumidifier box 200 above it. The remaining airflow flows directly upwards through the ventilation channel, passing through the upper ventilation hole 210 before entering the dehumidifier box 200 above it. This achieves dehumidification of multiple boxes. The dehumidifier boxes 200 process moisture simultaneously, and the switch assembly inside the top dehumidifier box 200 is in the closed state. This prevents the airflow flowing into the top ventilation channel from being directly discharged upwards, but instead diverts it to the surrounding area to carry away the moisture in the top dehumidifier box 200. This improves the efficiency of processing multiple dehumidifier boxes 200 simultaneously. Therefore, this utility model has multiple dehumidifier boxes 200 that can be used separately, making it flexible in use. When recycling is required, multiple dehumidifier boxes 200 can be processed simultaneously on the base 100, greatly improving the overall convenience and user experience.

[0029] To prevent airflow from directly expelling upwards from the top dehumidifier box 200 within the ventilation channel, the upper ventilation hole 210 of the top dehumidifier box 200, directly facing the ventilation channel, needs to be closed. Therefore, a switch assembly is installed on the top side of the dehumidifier box 200 to control the opening and closing of the upper ventilation hole 210. The switch assembly can have various structural forms; for example, it can use an active drive source. In this embodiment, the switch assembly includes a cover plate 241 and a guide sleeve 242. The guide sleeve 242 is connected to the inner top side of the dehumidifier box 200. An anti-detachment cap 243 is connected to the bottom end of the guide sleeve 242. The anti-detachment cap 243 can be a screw or other connecting component, allowing for easy installation and removal from the bottom end of the guide sleeve 242. For example, if a screw is used for the anti-detachment cap 243, the head of the screw limits the bottom end of the spring 245 to prevent detachment. The cover plate 241 can move up and down along the guide sleeve 242. The cover plate 241 is provided with a plurality of connecting holes 244, which are staggered from the plurality of upper ventilation holes 210. A spring 245 is fitted on the outer side of the guide sleeve 242. The top end of the spring 245 abuts against the bottom side of the cover plate 241, and the bottom end of the spring 245 abuts against the anti-detachment cap 243. The spring 245 has a tendency to press the cover plate 241 upward against the inner top side of the dehumidification box 200. A pressure block 246 is connected to the top side and extends upward through the dehumidification box 200. In two adjacent dehumidification boxes 200, the upper dehumidification box 200 presses the lower pressure block 246 downward into the dehumidification box 200. There can be multiple pressure blocks 246, for example, there are two pressure blocks 246. Naturally, an opening is reserved on the top side of the dehumidification box 200 directly opposite the two pressure blocks 246, so that the two pressure blocks 246 can pass through.

[0030] When using the aforementioned switch assembly, if the dehumidifier box 200 is used alone, the spring 245 presses the cover plate 241 against the top side of the dehumidifier box 200, causing the pressure block 246 on the top side of the cover plate 241 to extend upwards through the dehumidifier box 200. Since the multiple connecting holes 244 on the cover plate 241 are staggered from the multiple upper ventilation holes 210, the cover plate 241 can block and close the multiple upper ventilation holes 210 on the top side of the dehumidifier box 200, thereby closing the ventilation channel. When multiple dehumidifiers are stacked, the bottom side of the upper dehumidifier box 200 will press the pressure block 246 inside the lower dehumidifier box 200 downwards. The pressure block 246 drives the cover plate 241 to move downward along the guide sleeve 242. At this time, the spring 245 located between the cover plate 241 and the anti-detachment cap 243 is elastically compressed. Since the cover plate 241 leaves the top side of the dehumidification box 200, the upper ventilation hole 210 on the top side of the dehumidification box 200 can be opened. The airflow blown upward from the ventilation channel passes through multiple connecting holes 244 on the cover plate 241 and can continue to be discharged upward from multiple upper ventilation holes 210 on the top side of the dehumidification box 200, and enter the dehumidification box 200 located above it. In this way, the stacking of the upper and lower dehumidification boxes 200 is cleverly used to realize the automatic opening or closing of the switch assembly.

[0031] When the cover plate 241 moves up and down along the guide sleeve 242, it can slide the cover plate 241 inside the ventilation frame 230, or the guide sleeve 242 can pass through the limit after the cover plate 241, thereby allowing the cover plate 241 to move up and down. In this embodiment, for example... Figure 5 As shown, a limiting frame 250 is connected to the inner top side of the dehumidification box 200, and the cover plate 241 is located within the limiting frame 250. In practical applications, the limiting frame 250 can have various shapes, such as rectangular or circular. To better limit the ventilation frame 230, the shape of the limiting frame 250 is adapted to the shape of the cover plate 241. For example, when the cover plate 241 is rectangular, the limiting frame 250 can also be rectangular. The limiting frame 250 can surround and protect the cover plate 241 and limit its horizontal displacement, thereby improving the stability of the cover plate 241's vertical movement.

[0032] The ventilation frame 230 is located inside the dehumidification box 200 and can be installed in different positions. For example, the ventilation frame 230 can be installed in the middle of the dehumidification box 200. At this time, a space is formed between the four sides of the ventilation frame 230 and the inner side of the dehumidification box 200 for placing dehumidifying beads and other absorbent substances. In order to facilitate the installation and fixation of the ventilation frame 230 inside the dehumidification box 200, in this embodiment, the top of the ventilation frame 230 is fitted onto the outside of the limiting frame 250, and the inner side of the ventilation frame 230 is connected to an upper limit rib 232. The upper limit rib 232 abuts against the bottom side of the limiting frame 250. In practical applications, the shape of the ventilation frame 230 can also be rectangular. The upper limit rib 232 can extend around the center of the ventilation frame 230 inside the ventilation frame 230, so as to provide support for the bottom side of the limiting frame 250 in various positions. When the ventilation frame 230 is installed into the dehumidification box 200, the top of the ventilation frame 230 is fitted onto the outside of the limiting frame 250, and the upper limit rib 232 on the inner side of the ventilation frame 230 abuts against the bottom side of the limiting rib, which can limit the installation depth of the ventilation frame 230. This can improve the ease of installation of the ventilation frame 230 and make the ventilation frame 230 more securely installed in the dehumidification box 200.

[0033] To facilitate internal maintenance of the dehumidifier box 200, in this embodiment, a bottom cover 260 is detachably connected to the bottom side of the dehumidifier box 200. For example, the bottom cover 260 can be connected to the bottom side of the dehumidifier box 200 by a snap-fit, or it can be directly connected to the bottom side of the dehumidifier box 200 by an interference fit. A lower limiting rib 262 is connected to the top side of the bottom of the bottom of the ventilation frame 230. In practical applications, the lower limiting rib 262 extends around the center of the dehumidifier box 200 to form a rectangle. At this time, the shape of the lower limiting rib 262 of the rectangle matches the shape of the bottom inner side of the ventilation frame 230, thereby limiting the bottom of the ventilation frame 230. During maintenance, the absorbent materials such as moisture-absorbing beads inside the dehumidifier box 200 can be replaced. At this time, simply open the bottom cover 260 on the bottom side of the dehumidifier box 200 and connect the bottom cover 260 inside the dehumidifier box 200. Since the lower limiting rib 262 on the top side of the bottom cover 260 abuts against the bottom inner side of the ventilation frame 230, the bottom of the ventilation frame 230 can be limited. This allows for quick disassembly and assembly of the whole unit, and the overall connection is stable.

[0034] To facilitate the stacking and positioning of the two dehumidifier boxes 200, an assembly-friendly structure can be provided between them in this embodiment. Specifically, the bottom cover 260 has a downwardly protruding lower frame 261 on its bottom side, and the dehumidifier box 200 has an upwardly protruding upper frame 270 on its top side. Within two adjacent dehumidifier boxes 200, the lower frame 261 is inserted into the upper frame 270. The upper frame 270 on the top side of the dehumidifier box 200 forms a connection and positioning area. When connecting the two dehumidifier boxes 200, the lower frame 261 of the upper dehumidifier box 200 is aligned with this area and inserted inside. This allows for a quick connection of the two dehumidifier boxes 200 with high stability and minimal risk of relative horizontal shift. In practical applications, the upper frame 270 and the lower frame 261 are both rectangular. To facilitate the connection and alignment of the upper frame 270 and the lower frame 261, the side of the lower frame 261 away from the center can be tilted. This side wall is tilted from bottom to top away from the center of the lower frame 261. Similarly, the side wall of the upper frame 270 near its center is also tilted, and its shape matches the shape of the tilted side wall of the lower frame 261.

[0035] To improve the air exchange effect inside and outside the dehumidifier box 200, the shape of the upper ventilation hole 210 and the shape of the lower ventilation hole 220 can be set as strips respectively. When the length extension direction of the upper ventilation hole 210 and the lower ventilation hole 220 is the same, the structural strength of the dehumidifier box 200 at the top and bottom sides will be reduced. Therefore, in order to ensure the structural strength of the upper and lower sides of the dehumidifier box 200, in this embodiment, multiple upper ventilation holes 210 are provided in both the horizontal and vertical directions, and multiple lower ventilation holes 220 are provided in both the horizontal and vertical directions. For example, the top side of the dehumidifier box 200 is evenly divided into four parts around the center of the dehumidifier box 200, and the extension direction of the upper ventilation holes 210 in two adjacent parts is different. Multiple upper ventilation holes 210 are arranged horizontally and vertically to ensure the air volume output from the top of the dehumidification box 200 while also taking better care of the structural strength of the top of the dehumidification box 200. Similarly, multiple lower ventilation holes 220 are arranged horizontally and vertically to ensure the air volume intake from the bottom of the dehumidification box 200 while also taking better care of the structural strength of the bottom of the dehumidification box 200.

[0036] When the top side of the base 100 is too close to the bottom dehumidifier box 200, such as when the air outlet 110 on the top side of the base 100 and the lower ventilation hole 220 of the bottom dehumidifier box 200 are not completely aligned, the airflow is difficult to directly blow into the dehumidifier box 200. Therefore, in order to ensure a stable airflow into the dehumidifier box 200, in this embodiment, a transition groove 120 is formed by a downward recess on the top side of the base 100, and multiple upper ventilation holes 210 are respectively formed at the bottom of the transition groove 120. The transition groove 120 can form a space for airflow between the air inlet position of the bottom dehumidifier box 200 and the base 100. When the airflow blows upward from the base 100, it is dispersed to the multiple lower ventilation holes 220 on the bottom side of the dehumidifier box 200 after passing through the transition groove 120, and then enters the dehumidifier box 200, improving the uniformity of airflow into the dehumidifier box 200.

[0037] In the above embodiment, the fan 140 is mainly used to blow air to dehumidify the dehumidifying beads and other adsorbed substances. To further improve the dehumidification efficiency, in this embodiment, an air guide sleeve 130 is connected to the top side of the base 100. The air guide sleeve 130 is directly opposite the air outlet of the fan 140, and a heater 131 is connected inside the air guide sleeve 130. When the fan 140 blows air out, it passes through the air guide sleeve 130, and the airflow is heated by the heater 131 before being blown upward. The air guide sleeve 130 can make the heat generated by the heater 131 more concentrated, thereby improving the heating efficiency of the airflow. When the airflow enters the dehumidifier, the hot air dries the dehumidifying beads and other adsorbed substances in the dehumidification box 200, further improving the dehumidification efficiency and quality.

[0038] When used alone, the dehumidifier box 200 can be placed directly or hung directly. In this embodiment, the dehumidifier box 200 is connected to a hanging lug 300. When used alone, the dehumidifier can be hung on an external structural component via the hanging lug 300, making it more convenient to use.

[0039] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A dehumidifier, characterized in that: include: The base (100) has an air outlet (110) on its top side and an air inlet on its bottom side. A fan (140) is installed inside the base (100), and the fan (140) can generate an airflow from the air inlet to the air outlet (110) inside the base (100). A dehumidifier box (200) has multiple upper ventilation holes (210) on its top side and multiple lower ventilation holes (220) on its bottom side. A ventilation frame (230) is connected inside the dehumidifier box (200). The ventilation frame (230) forms a ventilation channel arranged in the vertical direction. Multiple side ventilation holes (231) are provided on the side wall of the ventilation frame (230). A switch assembly is provided on the top side of the ventilation frame (230). The switch assembly can open or close the multiple upper ventilation holes (210) facing the ventilation channel. Multiple dehumidifier boxes (200) are detachably connected in the vertical direction. The dehumidifier box (200) located at the bottom is detachably connected to the top side of the base (100). The switch assembly in the dehumidifier box (200) located at the top is in the closed state. The switch assembly in the dehumidifier box (200) located between the top dehumidifier box (200) and the base (100) is in the open state.

2. A dehumidifier according to claim 1, characterized in that: The switch assembly includes a cover plate (241) and a guide sleeve (242). The guide sleeve (242) is connected to the inner top side of the dehumidification box (200). An anti-detachment cap (243) is connected to the bottom end of the guide sleeve (242). The cover plate (241) can move up and down along the guide sleeve (242). The cover plate (241) is provided with a plurality of connecting holes (244). The plurality of connecting holes (244) and the plurality of upper ventilation holes (210) are staggered from each other. A spring (245) is sleeved on the outside of the guide sleeve (242). 5) The top end of the spring (245) abuts against the bottom side of the cover plate (241), and the bottom end of the spring (245) abuts against the anti-detachment cap (243). The spring (245) has a tendency to press the cover plate (241) upward against the top side of the dehumidification box (200). The top side of the cover plate (241) is connected to a pressing block (246) that extends upward through the dehumidification box (200). In two adjacent dehumidification boxes (200), the upper dehumidification box (200) will press the lower pressing block (246) downward into the dehumidification box (200).

3. A dehumidifier according to claim 2, characterized in that: The inner top side of the dehumidification box (200) is connected to a limiting frame (250), and the cover plate (241) is located inside the limiting frame (250).

4. A dehumidifier according to claim 3, characterized in that: The top of the ventilation frame (230) is fitted onto the outside of the limiting frame (250), and an upper limit rib (232) is connected to the inside of the ventilation frame (230), with the upper limit rib (232) abutting against the bottom side of the limiting frame (250).

5. A dehumidifier according to claim 1, characterized in that: The bottom side of the dehumidification box (200) is detachably connected to a bottom cover (260), and the top side of the bottom cover (260) is connected to a lower limiting rib (262), which abuts against the bottom inner side of the ventilation frame (230).

6. A dehumidifier according to claim 5, characterized in that: The bottom cover (260) has a downwardly protruding lower frame (261) on its bottom side, and the dehumidifier box (200) has an upwardly protruding upper frame (270) on its top side. In two adjacent dehumidifier boxes (200), the lower frame (261) is inserted into the upper frame (270).

7. A dehumidifier according to claim 1, characterized in that: The upper ventilation hole (210) is provided with multiple holes in the horizontal and vertical directions respectively, and the lower ventilation hole (220) is provided with multiple holes in the horizontal and vertical directions respectively.

8. A dehumidifier according to claim 1, characterized in that: The top side of the base (100) is recessed downward to form a transition groove (120), and a plurality of upper ventilation holes (210) are respectively formed at the bottom of the transition groove (120).

9. A dehumidifier according to claim 1, characterized in that: The base (100) is connected to the top side of the air guide sleeve (130), which is directly opposite the air outlet of the fan (140). A heater (131) is connected inside the air guide sleeve (130).

10. A dehumidifier according to claim 1, characterized in that: The dehumidifier box (200) is connected to a lifting lug (300).

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