CN112566403A

CN112566403A - Waterproof structure and cabinet

Info

Publication number: CN112566403A
Application number: CN202011259690.4A
Authority: CN
Inventors: 王欢; 赵志刚; 林宝伟
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-03-26

Abstract

The invention discloses a waterproof structure and a cabinet, wherein the waterproof structure comprises a cabinet body, a first blocking assembly and a second blocking assembly, wherein the cabinet body is provided with an installation cavity, an air outlet and an air inlet which are communicated with the installation cavity; the first blocking assembly and the second blocking assembly are arranged in the mounting cavity, the first blocking assembly is arranged on one side close to the air outlet, and the second blocking assembly is arranged on one side close to the air inlet; the first blocking assembly comprises at least two first blocking pieces arranged at intervals along the height direction of the installation cavity, the second blocking assembly comprises at least two second blocking pieces arranged at intervals along the height direction of the installation cavity, and the first blocking pieces and the second blocking pieces are sequentially arranged in a staggered manner along the height direction of the installation cavity; two adjacent first blocking pieces are arranged in an enclosing manner to form a first channel which needs to overcome the gravity to rise; two adjacent second blocking members form a second passage which needs to be lifted against gravity and is communicated with the first passage, and the outlet of the second passage is higher than that of the first passage.

Description

Waterproof structure and cabinet

Technical Field

The invention relates to the technical field of outdoor cabinets, in particular to a waterproof structure and a cabinet.

Background

A cabinet is a freestanding or self-supporting enclosure for housing electrical or electronic equipment. The cabinet is an indispensable component in the electrical equipment and is a carrier of the electrical control equipment. Cabinets are generally classified into server cabinets, network cabinets, console cabinets, and the like.

Corresponding rack often need dispose during outdoor operation, however traditional rack is when using, and the waterproof reliability of rack is lower, and when rainy day was used, the electronic components inside the rack had the hidden danger of being drenched.

Disclosure of Invention

Based on this, to traditional rack when using, the waterproof reliability of rack is lower, and when the rainy day was used, the inside electronic components of rack had the problem of the hidden danger of being drenched, has proposed waterproof construction and rack, and waterproof reliability can be promoted when using to this waterproof construction and rack, and then the security that the inside electronic components of rack used promotes.

The specific technical scheme is as follows:

on one hand, the application relates to a waterproof structure, which comprises a cabinet body, a first blocking assembly and a second blocking assembly, wherein the cabinet body is provided with an installation cavity, and an air outlet and an air inlet which are communicated with the installation cavity; the first blocking assembly and the second blocking group are arranged in the mounting cavity, the first blocking assembly is arranged on one side close to the air outlet, and the second blocking assembly is arranged on one side close to the air inlet;

the first blocking assembly comprises at least two first blocking parts arranged at intervals along the height direction of the installation cavity, the second blocking assembly comprises at least two second blocking parts arranged at intervals along the height direction of the installation cavity, and the first blocking parts and the second blocking parts are sequentially arranged in a staggered manner along the height direction of the installation cavity; two adjacent first blocking pieces are arranged in an enclosing mode to form a first channel which needs to overcome the gravity to rise; two adjacent second blocking members form a second channel which needs to be lifted against gravity and is communicated with the first channel, and the outlet of the second channel is higher than that of the first channel.

The technical solution is further explained below:

in one embodiment, the first blocking member comprises a first bottom section, a first middle blocking section and a first top section which are connected in sequence, the height of the first top section is higher than that of the first bottom section, and two adjacent first middle blocking sections form the first channel;

the second stop piece comprises a second bottom section, a second middle stop section and a second top section which are sequentially connected, the second top section is higher than the second bottom section, and two adjacent second middle stop sections form a second channel which needs to overcome the gravity to rise.

In one embodiment, the second bottom section extends into the first channel, and the height of the second top section corresponding to the second bottom section is higher than the height of the first channel.

In one embodiment, the first bottom section is bent towards the bottom wall of the mounting cavity and is matched with the first middle blocking section to form a water guide part.

In one embodiment, the second bottom section is bent towards a direction close to the bottom wall of the mounting cavity to form a wind guide portion for guiding wind to the first channel.

In one embodiment, the first top section and the first middle blocking section are arranged at an included angle to form a first blocking portion for blocking water rising along the first middle blocking section.

In one embodiment, an inward sunken water collecting part is arranged between the second middle blocking section and the second bottom section, and the water collecting part is provided with a water leakage port.

In one embodiment, the second top section and the second middle blocking section are arranged at an included angle to form a second blocking portion for blocking water rising along the second middle blocking section, and the second blocking portion and the water collecting portion are located on the same side.

In one embodiment, the water collecting parts are arranged outside the first channel, the water collecting parts of two adjacent second blocking parts are arranged at intervals along the height direction of the installation cavity, and the water collecting part of the second blocking part positioned at the lower layer can receive water discharged from the water leaking port of the second blocking part positioned at the upper layer.

In one embodiment, the water collecting device further comprises a water collecting piece, wherein the first blocking assembly, the second blocking assembly and the water collecting piece are arranged along the height direction of the installation cavity, and the water collecting piece is used for collecting water flowing down along the first blocking piece and the second blocking piece.

In one embodiment, the water receiving member is obliquely arranged relative to the bottom wall of the mounting cavity to discharge the received water.

In another aspect, the present application further relates to a cabinet including the waterproof structure in any of the above embodiments.

The technical solution is further explained below:

in one embodiment, the cabinet further comprises an air supply member, and an air outlet end of the air supply member is communicated with the air inlet.

When the waterproof structure and the cabinet are used, when rainwater enters along the air outlet, the adjacent two first blocking pieces enclose to form a first channel which needs to overcome gravity to rise, so that the rainwater is difficult to pass through the first channel to continue to be transmitted to the second blocking assembly when entering; further, since two adjacent second blocking members form a second channel which needs to rise against gravity and is communicated with the first channel, and the outlet of the second channel is higher than the outlet of the first channel, even when rainwater passes through the first channel, the rainwater is received by the second channel and is difficult to continuously transmit to the air inlet through the second channel; in addition, the second is stopped the piece with first setting of stopping that staggers, when the rainwater strikes at first piece and bounce-back to the second and stop the piece, the second stops the piece and can play certain effect of stopping, prevents that the rainwater from transmitting to air inlet department, and then promotes waterproof reliability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

Furthermore, the drawings are not to scale of 1:1, and the relative dimensions of the various elements in the drawings are drawn only by way of example and not necessarily to true scale.

FIG. 1 is a schematic view illustrating an assembly of a waterproof structure and an air blowing member according to an embodiment;

FIG. 2 is an exploded view of the waterproof structure and the blower according to an embodiment;

FIG. 3 is a sectional view of the waterproof structure and the air blowing member after assembly according to the embodiment;

FIG. 4 is an enlarged view of part A of FIG. 3;

fig. 5 is a sectional view of the waterproof structure and the air blowing member after assembly in accordance with another embodiment;

FIG. 6 is an enlarged view of a portion B of FIG. 5;

FIG. 7 is a schematic view of the installation of the first barrier assembly and the second barrier assembly in one embodiment.

Description of reference numerals:

10. a waterproof structure; 100. a first blocking component; 110. a first blocking member; 112. a first bottom section; 1122. a water guide part; 114. a first intermediate barrier section; 116. a first top section; 1162. a first blocking portion; 118. a first channel; 200. a second barrier assembly; 210. a second blocking member; 212. a second bottom section; 2122. a wind guide part; 214. a second intermediate barrier section; 216. a second top section; 2162. a second blocking portion; 218. a second channel; 220. a water collection part; 222. a water leakage port; 300. a cabinet body; 310. a mounting cavity; 312. an air inlet; 314. an air outlet; 400. a water receiving member; 20. and an air supply member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1 and 2, an embodiment of a waterproof structure 10 includes: the cabinet body 300, first subassembly 100 and the second that blocks the subassembly 200, the cabinet body 300 is equipped with installation cavity 310, and air outlet 314 and air intake 312 with installation cavity 310 intercommunication, first subassembly 100 and the second that blocks block all sets up in installation cavity 310, first subassembly 100 and the second that blocks block the subassembly 200 and lay along air outlet 314 to the direction of air intake 312, first subassembly 100 that blocks is closer to air outlet 314 than the second subassembly 200, first subassembly 100 and the second that blocks block are used for blocking the rainwater and get into air intake 312 along air outlet 314, the scattered hot-blast enters along air intake 312, and pass second in proper order and block subassembly 200, first subassembly 100 and the air outlet 314 discharge block, block the dual reliability that acts on promotion waterproof through first subassembly 100 that blocks and the second subassembly 200.

Referring to fig. 3 and 4, specifically, the first blocking assembly 100 includes at least two first blocking members 110 disposed at intervals along a height direction of the mounting cavity 310 (see a double arrow direction of fig. 3), the second blocking assembly 200 includes at least two second blocking members 210 disposed at intervals along the height direction of the mounting cavity 310, and the first blocking members 110 and the second blocking members 210 are sequentially disposed in a staggered manner along the height direction of the mounting cavity 310; two adjacent first blocking members 110 enclose a first channel 118 which needs to be lifted up against gravity, two adjacent second blocking members 210 form a second channel 218 which needs to be lifted up against gravity, the second channel 218 is communicated with the first channel 118, and the outlet of the second channel 218 is higher than the outlet of the first channel 118.

The second passageway 218 communicates with the first passageway 118, and the intake vent 312 communicates with the exhaust vent 314 through the second passageway 218 and the first passageway 118.

When the waterproof structure 10 is used, when rainwater enters along the air outlet 314, the first blocking members 110 adjacent to each other surround to form the first channel 118 which needs to rise against gravity, so that the rainwater is difficult to continuously transmit to the second blocking member 200 through the first channel 118 when entering; further, since two adjacent second stoppers 210 form a second channel 218 which needs to rise against gravity, the second channel 218 is communicated with the first channel 118, and the outlet of the second channel 218 is higher than the outlet of the first channel 118, even when rainwater passes through the first channel 118, the rainwater is received by the second channel 218 and is difficult to be transmitted to the air inlet 312 beyond the second channel 218; in addition, the second blocking member 210 and the first blocking member 110 are arranged in a staggered manner, so that when rainwater strikes the first blocking member 110 and rebounds to the second blocking member 210, the second blocking member 210 can play a certain blocking role, rainwater is prevented from being transmitted to the air inlet 312, and the waterproof reliability is further improved.

Alternatively, the first channel 118 that needs to be lifted against the gravity can be formed by enclosing two adjacent first blocking members 110: both the first stoppers 110 are disposed obliquely; alternatively, in two adjacent first blocking members 110, one first blocking member 110 is parallel to the bottom wall of the installation cavity 310, and the other first blocking member 110 is disposed obliquely.

Alternatively, the second channel 218 that needs to rise against gravity may be formed by enclosing two adjacent second blocking members 210: both the second stoppers 210 are disposed obliquely; alternatively, one of the two adjacent second blocking members 210 is parallel to the bottom wall of the mounting cavity 310, and the other second blocking member 210 is disposed obliquely.

Referring to fig. 6, the first blocking member 110 at the bottom layer and the bottom wall of the mounting cavity 310 also enclose the first channel 118.

Referring to fig. 6 and 7, the first blocking member 110 includes a first bottom section 112, a first middle blocking section 114 and a first top section 116 connected in sequence, wherein the height of the first top section 116 is higher than the height of the first bottom section 112. Further, a first channel 118 is enclosed between two first middle blocking sections 114 of two adjacent first blocking members 110, and needs to be lifted against gravity.

It should be noted that the height refers to the height relative to the bottom wall of the mounting cavity 310 along the height direction of the mounting cavity 310.

Referring to fig. 3 and 5, the second barrier assembly 200 is disposed in the installation cavity 310, and the second barrier assembly 200 is closer to the air inlet 312 than the first barrier assembly 100. Referring to fig. 6 and 7, the second blocking assembly 200 includes at least two second blocking members 210 disposed at intervals along a height direction of the mounting cavity 310, each second blocking member 210 includes a second bottom section 212, a second middle blocking section 214, and a second top section 216 connected in sequence, the second top section 216 is higher than the second bottom section 212, the second bottom section 212 extends into the first channel 118, the height of the second top section 216 corresponding to the second bottom section 212 is higher than the height of the first channel 118, and two adjacent second middle blocking sections 214 form a second channel 218 that needs to be lifted up against gravity.

On the basis of the above embodiment, please refer to fig. 6, fig. 6 is a partially enlarged schematic view of a portion B in fig. 5, in this embodiment, the waterproof structure 10 further includes a water receiving member 400, the first blocking assembly 100 and the second blocking assembly 200 are both arranged along the height direction of the installation cavity 310, the water receiving member 400 is disposed below the first blocking assembly 100 and the second blocking assembly 200, and the water receiving member 400 is used for receiving water flowing down along the first blocking assembly 110 and the second blocking assembly 210.

Further, referring to fig. 6, in the present embodiment, the water receiving member 400 is disposed to be inclined with respect to the bottom wall of the mounting cavity 310 to discharge the received water, so that when the rainwater falls to the water receiving member 400, the water can be discharged more smoothly.

Referring to fig. 7, the first bottom section 112 is bent toward the bottom wall of the mounting cavity 310 and forms a water guiding portion 1122 in cooperation with the first middle blocking section 114, so that rainwater can be discharged toward the bottom wall of the mounting cavity 310 along the water guiding portion 1122 under the action of gravity when the rainwater hits the first blocking member 110.

Further, in order to prevent rainwater from rising along the first intermediate blocking section 114 and passing through the first channel 118, in the embodiment, the first top section 116 is disposed at an angle with the first intermediate blocking section 114 to form a first blocking portion 1162 for blocking the rainwater rising along the first intermediate blocking section 114, and when the rainwater rises along the first intermediate blocking section 114, the rainwater changes direction and drops in a direction falling toward the bottom wall of the mounting cavity 310 under the action of the first blocking portion 1162.

Referring to fig. 7, specifically, an acute angle is formed between the first middle blocking section 114 and the first top section 116, and the first top section 116 and the first bottom section 112 are located at two opposite sides of the first middle blocking section 114.

When the water that does not pass through the second channel 218 slides down the second intermediate blocking section 214 or directly drops down, or when the external rain force is large, part of the rain water bounces back to between two adjacent second blocking members 210 through the impact of the first channel 118, in order to collect the part of the rain water, in this embodiment, an inward-recessed water collecting portion 220 is disposed between the second intermediate blocking section 214 and the second bottom section 212, and the water collecting portion 220 is provided with a water leaking port 222, and the water is collected by the water collecting portion 220 and is discharged through the water leaking port 222. It should be noted that the water collecting portion 220 formed to be recessed inward is only a structure in which the water collecting portion 220 is recessed, and the formation manner of the water collecting portion 220 is not limited.

Further, referring to fig. 7, the second top segment 216 forms an included angle with the second middle blocking segment 214 to form a second blocking portion 2162 for blocking water rising along the second middle blocking segment 214, and the second blocking portion 2162 and the water collecting portion 220 are located on the same side, so that when rainwater rises along the second middle blocking segment 214, the direction of the rainwater changes under the action of the second blocking portion 2162 and drops along the direction of dropping toward the bottom wall of the mounting cavity 310, and the rainwater is prevented from floating to the air inlet 312 over the second passage 218, thereby improving the reliability of water prevention.

Referring to fig. 3 and 7, the water collecting portions 220 are disposed outside the first channel 118, the water collecting portions 220 of two adjacent second blocking members 210 are spaced apart from each other along the height direction (see the direction indicated by the double arrow in fig. 3) of the installation cavity 310, the water collecting portion 220 of the second blocking member 210 located at the lower layer can receive the water discharged from the water discharge port 222 of the second blocking member 210 located at the upper layer, and thus the water in the water collecting portion 220 of the second blocking member 210 located at the upper layer can be discharged to the water collecting portion 220 of the second blocking member 210 located at the lower layer through the water discharge port 222, and thus the water discharging function is achieved.

Preferably, in order to ensure the reliability of the water discharge, the drain port 222 of the second barrier 210 positioned at the lower layer may be directly opposite to the drain port 222 of the second barrier 210 positioned at the upper layer.

In addition to any of the above embodiments, referring to fig. 7, in the present embodiment, a second blocking member 210 corresponds to a first channel 118, and the second top section 216 of the second blocking member 210 is higher than the first top section 116 of the first blocking member 110 forming the first channel 118. In the present embodiment, the second top section 216 of the second barrier 210 is higher than the first top section 116 of the first barrier 110 located at the upper layer. Wherein the positioning at the upper layer is with respect to the relative positions of the two first barriers 110 forming the first channels 118. In this manner, the second blocking member 210 can more reliably catch water discharged along the first passage 118.

The first barrier assembly 100 and the second barrier assembly 200 need not only function to block rainwater, but also function to ventilate so that the heat dissipation wind is smoothly transmitted to the outlet 314 along the inlet 312 and is discharged. Referring to fig. 4 and 7, in the present embodiment, the first channel 118 is communicated with the second channel 218, the second bottom section 212 extends into the first channel 118, the second bottom section 212 can take water in the second channel 218 into the first channel 118, and the overall inclination trend between the first channel 118 and the second channel 218 is uniform, so that when wind is transmitted in the second channel 218, the wind is more smoothly transmitted into the first channel 118.

Further, referring to fig. 7, the second bottom section 212 is bent toward a direction close to the bottom wall of the mounting cavity 310 to form a wind guiding portion 2122 for guiding the wind to the first passage 118. In this way, the wind in the second passage 218 is more smoothly discharged into the first passage 118 by the guiding action of the wind guide portion 2122. Further, the second bottom section 212 is bent toward the direction close to the bottom wall of the mounting cavity 310, so that the space for the air to be discharged to the second channel 218 is increased, and the air is further smoothly discharged to the first channel 118.

In addition, an embodiment also relates to a cabinet, which comprises the waterproof structure 10 in any one of the above embodiments.

When rainwater enters along the air outlet 314 in use, the adjacent two first blocking pieces 110 enclose the first channel 118 which needs to rise against gravity, so that the rainwater is difficult to transmit to the second blocking assembly 200 through the first channel 118 when entering; further, since two adjacent second stoppers 210 form a second channel 218 which needs to rise against gravity, the second channel 218 is communicated with the first channel 118, and the outlet of the second channel 218 is higher than the outlet of the first channel 118, even when rainwater passes through the first channel 118, the rainwater is received by the second channel 218 and is difficult to be transmitted to the air inlet 312 beyond the second channel 218; in addition, the second blocking member 210 and the first blocking member 110 are arranged in a staggered manner, so that when rainwater strikes the first blocking member 110 and rebounds to the second blocking member 210, the second blocking member 210 can play a certain blocking role, rainwater is prevented from being transmitted to the air inlet 312, and the waterproof reliability is further improved.

Further, referring to fig. 1 and fig. 2, the cabinet further includes an air supply member 20, and an air outlet end of the air supply member 20 is communicated with the air inlet 312. Alternatively, the blowing member 20 may be a fan.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A waterproof structure characterized by comprising: the air conditioner comprises a cabinet body, a first blocking assembly and a second blocking assembly, wherein the cabinet body is provided with an installation cavity, and an air outlet and an air inlet which are communicated with the installation cavity; the first blocking assembly and the second blocking group are arranged in the mounting cavity, the first blocking assembly is arranged on one side close to the air outlet, and the second blocking assembly is arranged on one side close to the air inlet;

the first blocking assembly comprises at least two first blocking parts arranged at intervals along the height direction of the installation cavity, the second blocking assembly comprises at least two second blocking parts arranged at intervals along the height direction of the installation cavity, and the first blocking parts and the second blocking parts are sequentially arranged in a staggered manner along the height direction of the installation cavity; two adjacent first stoppers enclose and establish and form the first passageway that needs to overcome gravity and rise, two adjacent second stoppers form the second passageway that needs to overcome gravity and rise, the second passageway with first passageway intercommunication, the export of second passageway is higher than the export of first passageway.

2. The waterproof structure according to claim 1, wherein the first blocking member comprises a first bottom section, a first middle blocking section and a first top section which are connected in sequence, the height of the first top section is higher than that of the first bottom section, and two adjacent first middle blocking sections form the first channel;

3. The waterproof structure according to claim 2, wherein the second bottom section extends into the first passage, and a height of the second top section corresponding to the second bottom section is higher than a height of the first passage.

4. The waterproof structure according to claim 2, wherein the first bottom section is bent toward the bottom wall of the mounting cavity and cooperates with the first intermediate barrier section to form a water guide.

5. The waterproof structure according to claim 2, wherein the second bottom section is bent toward a direction close to the bottom wall of the mounting cavity to form a wind guide portion for guiding wind to the first passage.

6. The waterproof structure of claim 2, wherein the first top section is angled with respect to the first intermediate barrier section to form a first barrier to water rising along the first intermediate barrier section.

7. The waterproof structure according to any one of claims 2 to 6, wherein a water collection portion formed to be recessed inward is provided between the second intermediate barrier section and the second bottom section, and the water collection portion is provided with a drain opening.

8. The waterproof structure of claim 7, wherein the second top section is disposed at an angle to the second intermediate barrier section to form a second barrier portion that blocks water rising along the second intermediate barrier section, the second barrier portion being located on the same side as the water collection portion.

9. The waterproof structure according to claim 7, wherein the water collecting portions are provided outside the first passage, the water collecting portions of two adjacent second stoppers are provided at intervals in a height direction of the installation cavity, and the water collecting portion of the second stopper located at a lower layer can receive water discharged along the drain port of the second stopper located at an upper layer.

10. The waterproof structure according to claim 1, further comprising a water receiving member, wherein the first blocking member and the second blocking member are arranged with the water receiving member in a height direction of the installation cavity, and the water receiving member is configured to receive water flowing down along the first blocking member and the second blocking member.

11. The waterproof structure according to claim 10, wherein the water receiving member is provided obliquely with respect to the bottom wall of the installation cavity to discharge the received water.

12. A cabinet comprising the waterproof structure according to any one of claims 1 to 11.

13. The cabinet of claim 12, further comprising an air supply member, wherein an air outlet end of the air supply member is communicated with the air inlet.