Distribution box with moisture-proof and dehumidification functions and use method thereof

Abstract

The invention discloses a distribution box with moisture-proof and dehumidification functions and a use method thereof, and relates to the technical field of distribution boxes, the distribution box comprises a box body, box doors are hinged to the two sides of the front surface of the box body respectively, a dustproof net is arranged to intercept dust, and the dust is prevented from entering the box body to be attached to the surface of an electrical component body to affect heat dissipation; by arranging the waterproof breathable film, water particles are very fine in a water vapor state and can smoothly permeate to the other side of a capillary tube according to a capillary motion principle, so that a vapor permeation phenomenon occurs, after water vapor is condensed into water drops, the particles become large, and water molecules cannot be smoothly separated from the water drops and permeate to the other side due to the action of surface tension of the water drops; therefore, water permeation is prevented, and the waterproof function is achieved.

Description

Technical Field

[0001] This invention relates to the field of distribution box technology, specifically to a distribution box with moisture-proof and dehumidification functions and its usage method. Background Technology

[0002] A distribution box is a central circuit distribution box for all users' electricity needs. It is a low-voltage power distribution device that assembles switching equipment, measuring instruments, protective electrical appliances, and auxiliary equipment in a closed or semi-closed metal cabinet or panel according to electrical wiring requirements. When the distribution box is located in a basement, outdoors, or other humid environments, the requirements for dehumidification inside the distribution box become extremely special. During long-term operation, the distribution box is easily affected by the external environment, causing the internal air humidity to rise. Humid air can easily cause short circuits in the internal electrical components. Existing distribution boxes are inconvenient for effective dehumidification and real-time heat dissipation. If liquid cooling is used, an external water source is required, but water sources are generally lacking near the distribution box. Existing dehumidification devices generate a large amount of condensate during the dehumidification process. Existing devices cannot effectively integrate resources, resulting in resource waste. Moreover, water circulation requires cooling water, and the cooling water stored in the water tank has a slow cooling efficiency.

[0003] For example, Chinese Patent Publication No. CN211509592U discloses the following technical solution: a waterproof box structure for power applications in high humidity environments, which effectively enhances airflow from the inside of the waterproof box body, reduces moisture absorption, and improves practicality; it includes a waterproof box body, which is a separate accessory, and has a chamber inside; it also includes a purification box and bolts, with connecting rods on the left front, left rear, right front, and right rear sides of the bottom of the purification box, the bottom ends of the four sets of connecting rods being connected to the top of the waterproof box body; the purification box has a working chamber inside, with multiple sets of upper openings at the top of the working chamber, all of which communicate with the working chamber; an installation port is provided at the right end of the working chamber, and the installation port communicates with the working chamber; a sealing plate is provided at the right end of the installation port.

[0004] The existing technology has the following problems:

[0005] This technical solution removes moisture from the air by heating it, but heating the air reduces the heat dissipation effect of the equipment and affects its service life. Summary of the Invention

[0006] This invention provides a distribution box with moisture-proof and dehumidification functions and its usage method to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a distribution box with moisture-proof and dehumidification function, including a box body, with a door hinged to both sides of the front of the box body, which is openable and closable, an electrical component body fixedly installed on the back of the inner wall of the box body, support legs fixedly connected to the four corners of the bottom of the box body, and ventilation holes opened on both sides of the box body.

[0008] Moisture-proof and dust-removing components are provided on both sides of the outer wall of the box, and a cooling mechanism is provided on the back of the outer wall of the box.

[0009] The interior of the enclosure is equipped with a fire-resistant mechanism.

[0010] A further improvement of the technical solution of the present invention is that: two photovoltaic panels are fixedly connected to the top of the box, a storage battery is fixedly connected to the bottom of the inner wall of the box, and the storage battery is connected to the photovoltaic panels through an inverter; a row of fans is fixedly connected to the bottom of the inner wall of the box below the electrical components, and the fans are electrically connected to the storage battery.

[0011] By adopting the above technical solution, solar energy can be converted into electrical energy to power the fan, thereby saving power consumption. In addition, by setting the photovoltaic panel on the top of the box, it can also provide shade and sun protection when used outdoors. By starting the fan, air circulation can be accelerated, which can improve ventilation while dissipating heat from the electrical components.

[0012] A further improvement of the technical solution of the present invention is that: the moisture-proof and dust-removing component includes two sets of frames, the two sets of frames are respectively fixedly installed on both sides of the outer wall of the box at the position of the ventilation hole, and the inner wall of the two sets of frames is respectively fixedly connected to a dustproof net at the end away from the box.

[0013] By adopting the above technical solution, dust can be intercepted by setting up a dustproof net, preventing dust from entering the inside of the enclosure and adhering to the surface of the electrical components, thus affecting heat dissipation.

[0014] A further improvement of the technical solution of the present invention is that: waterproof and breathable membranes are fixedly connected to one end of the inner wall of the two sets of frames near the box body, and drainage holes are respectively opened at the bottom of the inner wall of the two sets of frames.

[0015] The above technical solution involves setting up a waterproof and breathable membrane. In the state of water vapor, the water particles are very small and can easily permeate to the other side of the capillary tube according to the principle of capillary motion, thus causing the vapor to permeate. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, the water molecules cannot easily detach from the water droplets and permeate to the other side, thus preventing water penetration and providing a waterproof function.

[0016] A further improvement of the technical solution of the present invention is that the cooling mechanism includes a heat exchange plate, which is embedded in the back of the housing.

[0017] By adopting the above technical solution, the heat exchange plate can quickly absorb the heat generated by the electrical components on the back of the inner wall of the box during operation, thus preventing the electrical components from overheating and affecting their service life.

[0018] A further improvement of the technical solution of the present invention is that: the cooling mechanism further includes two water inlet pipes, which are respectively fixedly connected to the bottom of the outer wall of the two sets of frames at the position of the drain hole. One end of the bottom of the two water inlet pipes is fixedly connected to a water storage tank, and a water pump is installed inside the water storage tank. The outlet end of the water pump inside the two sets of water storage tanks is fixedly connected to a connecting pipe. A cooling pipe is fixedly connected to the back of the heat exchange plate, and the two ends of the cooling pipe are fixedly connected and communicated with the connecting pipes on both sides of the box.

[0019] The above technical solution involves setting up a water inlet pipe to collect water droplets formed by water vapor intercepted by a waterproof and breathable membrane from the drain hole. The water then flows into the water storage tank. By starting the water pump, the water flows through the cooling pipes via the connecting pipes, which facilitates the removal of heat from the heat exchange plates in contact with the cooling pipes, thus ensuring that the heat exchange plates can continuously absorb heat.

[0020] A further improvement of the technical solution of the present invention is that: the fireproof mechanism includes two sets of sealing frames, the two sets of sealing frames are respectively fixedly connected to the inner wall of the box at the position of the vent hole, the inner wall of the two sets of sealing frames is respectively provided with sealing grooves on the side close to the inner wall of the box, and the inner walls of the two sealing grooves are respectively slidably connected with sealing plates.

[0021] By adopting the above technical solution, the sealing plate is slidably connected when the sealing groove is open or closed, so that the inside of the box can be sealed by closing, or the inside of the box can be ventilated by opening.

[0022] A further improvement of the technical solution of the present invention is that: the fireproof mechanism further includes two electric telescopic rods, which are respectively fixedly connected to both sides of the bottom of the inner wall of the box, and a connecting block is fixedly connected to the top end of each of the two electric telescopic rods, and the connecting block is fixedly connected to the sealing plate on the corresponding side.

[0023] The above technical solution allows for convenient opening or closing of the sealing plate by using an electric telescopic rod.

[0024] A further improvement of the technical solution of the present invention is that: the fire prevention mechanism further includes a smoke detector, the smoke detector is fixedly connected to the top of the inner wall of the box, and a controller is fixedly connected to the bottom of the inner wall of the box, the controller being signal-connected to the smoke detector.

[0025] By adopting the above technical solution, a smoke detector is set up to sense whether there is smoke inside the enclosure and feeds the information back to the controller. The controller then controls the extension and retraction of the electric telescopic rod to close the sealing plate. This seals the enclosure to prevent fire when smoke is present inside, thus improving safety.

[0026] The technical solution adopted in this invention is: a method for using a distribution box with moisture-proof and dehumidification functions, comprising the following steps:

[0027] Step 1: Ensure normal air circulation inside the box by opening ventilation holes to ensure good ventilation and prevent moisture accumulation inside the box;

[0028] Step 2: Accelerate airflow by turning on the fan to improve ventilation while dissipating heat from the electrical components.

[0029] Step 3: By setting up a waterproof and breathable membrane, water particles are very small in the water vapor state. According to the principle of capillary motion, they can easily penetrate into the capillary to the other side, thus causing the vapor to permeate. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, water molecules cannot easily detach from the water droplets and permeate to the other side, thus preventing water penetration and providing a waterproof function.

[0030] Due to the adoption of the above technical solution, the technical progress achieved by this invention compared to the prior art is as follows:

[0031] 1. This invention provides a distribution box with moisture-proof and dehumidification functions and its usage method. By setting up photovoltaic panels, solar energy can be converted into electrical energy to power the fan, thereby saving power consumption. In addition, by setting up photovoltaic panels on the top of the box, it can also provide shade and sun protection when used outdoors. By starting the fan, air circulation can be accelerated, which can improve ventilation while dissipating heat from the electrical components.

[0032] 2. This invention provides a distribution box with moisture-proof and dehumidification functions and its usage method. A dustproof net can intercept dust, preventing it from entering the box and adhering to the surface of electrical components, thus affecting heat dissipation. A waterproof and breathable membrane is used; in a water vapor state, the water particles are very small and, according to the principle of capillary motion, can easily permeate to the other side of the capillary, thus causing vapor permeation. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, water molecules cannot easily detach from the droplets and permeate to the other side, thus preventing water penetration and providing a waterproof function.

[0033] 3. This invention provides a distribution box with moisture-proof and dehumidification functions and its usage method. By setting up a heat exchange plate, the heat generated by the electrical components on the back of the inner wall of the box during operation can be quickly absorbed, avoiding the electrical components from overheating and affecting their service life. By setting up a water inlet pipe, water droplets formed by water vapor intercepted by a waterproof and breathable membrane are collected from the drain hole and flow into a water storage tank. By starting a water pump, the water flows through the cooling pipe through the connecting pipe to facilitate the removal of heat from the heat exchange plate in contact with the cooling pipe, so as to ensure that the heat exchange plate can continuously absorb heat.

[0034] 4. This invention provides a distribution box with moisture-proof and dehumidification functions and its usage method. By setting a sealing plate that slides in the sealing groove when open and closed, the interior of the box can be sealed by closing, or the interior of the box can be ventilated by opening. An electric telescopic rod is set to extend and retract to easily close or open the sealing plate. A smoke detector is set to sense whether there is smoke inside the box and feed back to the controller. The controller can then control the extension and retraction of the electric telescopic rod to close the sealing plate. This facilitates sealing the box to isolate the air when smoke is present inside, preventing fire and improving safety. Attached Figure Description

[0035] Figure 1 This is a front view of a power distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention;

[0036] Figure 2 This is a cross-sectional view of the moisture-proof and dust-removing component of a power distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention.

[0037] Figure 3 This is a rear view of a distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention.

[0038] Figure 4 This is a side sectional view of a power distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention;

[0039] Figure 5 This is a bottom view of a distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention;

[0040] Figure 6 This is a top view of a power distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention;

[0041] Figure 7 This diagram illustrates the connection relationship between the sealing frame, sealing groove, and sealing plate of a distribution box with moisture-proof and dehumidification functions and its usage method according to the present invention.

[0042] In the diagram: 1. Cabinet; 11. Cabinet door; 12. Electrical component body; 13. Support leg; 14. Ventilation hole; 2. Moisture-proof and dust-removing assembly; 21. Frame; 22. Dustproof net; 23. Waterproof and breathable membrane; 24. Drainage hole; 3. Cooling mechanism; 31. Heat exchange plate; 32. Water inlet pipe; 33. Water tank; 34. Connecting pipe; 35. Cooling pipe; 4. Photovoltaic panel; 5. Battery; 6. Fan; 7. Fireproof mechanism; 71. Sealing frame; 72. Sealing groove; 73. Sealing plate; 74. Electric telescopic rod; 75. Connecting block; 76. Smoke detector; 77. Controller. Detailed Implementation

[0043] Example 1

[0044] like Figure 1 , 2As shown in Figure 6, this invention provides a distribution box with moisture-proof and dehumidification functions, including a box body 1. Box doors 11 are hinged to both sides of the front of the box body 1, allowing for opening and closing. Electrical component bodies 12 are fixedly installed on the back of the inner wall of the box body 1. Support legs 13 are fixedly connected to the four corners of the bottom of the box body 1. Ventilation holes 14 are provided on both sides of the box body 1. Moisture-proof and dust-removing components 2 are provided on both sides of the outer wall of the box body 1. A cooling mechanism 3 is provided on the back of the outer wall of the box body 1. A fireproof mechanism 7 is provided inside the box body 1. Two photovoltaic panels 4 are fixedly connected to the top of the box body 1. The bottom of the inner wall of the box body 1... A battery 5 is fixedly connected to the unit, and the battery 5 is connected to the photovoltaic panel 4 via an inverter. A row of fans 6 is fixedly connected to the bottom of the inner wall of the housing 1, below the electrical component body 12, and the fans 6 are electrically connected to the battery 5. By installing the photovoltaic panel 4, solar energy can be converted into electrical energy to power the fans 6, saving power consumption. Furthermore, by installing the photovoltaic panel 4 on the top of the housing 1, it can also provide shade and sun protection when used outdoors. Activating the fans 6 accelerates airflow, improving ventilation while dissipating heat from the electrical component body 12. Moisture-proof and dust-removing component 2. The enclosure includes two sets of frames 21, which are fixedly installed on both sides of the outer wall of the housing 1 at the positions of the ventilation holes 14. Dustproof nets 22 are fixedly connected to the inner walls of the two sets of frames 21 at the ends away from the housing 1. The dustproof nets 22 intercept dust, preventing it from entering the housing 1 and adhering to the surface of the electrical component body 12, thus affecting heat dissipation. Waterproof and breathable membranes 23 are fixedly connected to the inner walls of the two sets of frames 21 at the ends near the housing 1. Drainage holes 24 are opened at the bottom of the inner walls of the two sets of frames 21. The waterproof and breathable membranes 23 prevent water particles from being trapped in a water vapor state. The water vapor is very small and, according to the principle of capillary motion, can easily penetrate to the other side of the capillary tube, thus causing vapor permeation. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, the water molecules cannot easily detach from the water droplets and permeate to the other side, thus preventing water penetration and providing a waterproof function. The cooling mechanism 3 includes a heat exchange plate 31, which is embedded in the back of the housing 1. By setting the heat exchange plate 31, the heat generated by the electrical component body 12 on the back of the inner wall of the housing 1 during operation can be quickly absorbed, avoiding the electrical component body 12 from overheating and affecting its service life.

[0045] In this embodiment, the dustproof net 22 can intercept dust and prevent dust from entering the interior of the housing 1 and adhering to the surface of the electrical component body 12, thus affecting heat dissipation. By setting a waterproof and breathable membrane 23, the water particles are very small in the water vapor state. According to the principle of capillary motion, they can easily penetrate to the other side of the capillary, thus causing the vapor to permeate. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, the water molecules cannot easily detach from the water droplets and permeate to the other side, which prevents water penetration and has a waterproof function.

[0046] Example 2

[0047] like Figure 1 , 3 As shown, based on Embodiment 1, the present invention provides a technical solution: Preferably, the cooling mechanism 3 further includes two water inlet pipes 32, which are respectively fixedly connected to the bottom of the outer wall of the two sets of frames 21 at the position of the drain hole 24. One end of the bottom of the two water inlet pipes 32 is fixedly connected to a water storage tank 33, and a water pump is installed inside the water storage tank 33. The outlet end of the water pump inside the two sets of water storage tanks 33 is fixedly connected to a connecting pipe 34. A cooling pipe 35 is fixedly connected to the back of the heat exchange plate 31, and both ends of the cooling pipe 35 are fixedly connected and communicated with the connecting pipes 34 on both sides of the box 1. By setting the water inlet pipes 32, water droplets formed by the waterproof and breathable membrane 23 intercepting water vapor are collected from the drain hole 24 and flow into the water storage tank 33. By starting the water pump, the water flows through the connecting pipe 34 in the cooling pipe 35 to facilitate the removal of heat from the heat exchange plate 31 in contact with the cooling pipe 35, so as to ensure that the heat exchange plate 31 can continuously absorb heat.

[0048] In this embodiment, the heat exchange plate 31 can quickly absorb the heat generated by the electrical component body 12 on the back of the inner wall of the box 1 during operation, thus preventing the electrical component body 12 from overheating and affecting its service life. The water pipe 32 collects water droplets formed by the waterproof and breathable membrane 23 intercepting water vapor from the drain hole 24 and flows into the water storage tank 33. By starting the water pump, the water flows through the connecting pipe 34 in the cooling pipe 35 to facilitate the removal of heat from the heat exchange plate 31 in contact with the cooling pipe 35, so as to ensure that the heat exchange plate 31 can continuously absorb heat.

[0049] Example 3

[0050] like Figure 1 , 4As shown in Figures 5, 6, and 7, based on Embodiment 1, the present invention provides a technical solution: Preferably, the fireproof mechanism 7 includes two sets of sealing frames 71, which are respectively fixedly connected to the inner wall of the box 1 at the position of the ventilation hole 14. Sealing grooves 72 are respectively opened on the inner wall of the two sets of sealing frames 71 near the inner wall of the box 1. Sealing plates 73 are slidably connected to the inner walls of the two sealing grooves 72. By setting the sealing plates 73 to slide when the sealing grooves 72 are open or closed, the interior of the box 1 can be sealed by closing, or the interior of the box 1 can be ventilated by opening. The fireproof mechanism 7 also includes two electric telescopic rods 74, which are respectively fixedly connected to both sides of the bottom of the inner wall of the box 1. A connecting block 75 is fixedly connected to the top end of the telescopic rod 74, and the connecting block 75 is fixedly connected to the corresponding sealing plate 73. The telescopic rod 74 can be extended and retracted to open or close the sealing plate 73. The fire prevention mechanism 7 also includes a smoke detector 76, which is fixedly connected to the top of the inner wall of the box 1. A controller 77 is fixedly connected to the bottom of the inner wall of the box 1. The controller 77 is connected to the smoke detector 76. The smoke detector 76 senses whether there is smoke inside the box 1 and feeds back to the controller 77. The controller 77 can then control the telescopic rod 74 to extend and retract to close the sealing plate 73. This allows the box 1 to be sealed and isolated from the air when smoke is present inside, preventing fire and improving safety.

[0051] In this embodiment, by setting the sealing plate 73 to slide in the sealing groove 72 when it is open or closed, the interior of the box 1 can be sealed by closing, or the interior of the box 1 can be ventilated by opening. The electric telescopic rod 74 can be extended and retracted to drive the sealing plate 73 to close or open. The smoke detector 76 can detect whether there is smoke inside the box 1 and feed the feedback to the controller 77. The controller 77 can then control the electric telescopic rod 74 to extend and retract to drive the sealing plate 73 to close. This allows the box 1 to be sealed and isolated from the air when smoke is present inside, preventing fire and improving safety.

[0052] Example 4

[0053] like Figure 1-7 As shown, based on the above three embodiments, the present invention provides a method for using a distribution box with moisture-proof and dehumidification functions, comprising the following steps:

[0054] Step 1: Ensure normal air circulation inside the box 1 by opening ventilation holes 14 to ensure good ventilation and prevent moisture accumulation inside the box 1;

[0055] Step 2: Accelerate airflow by starting fan 6 to improve ventilation while dissipating heat from the electrical component body 12;

[0056] Step 3: By setting up a waterproof and breathable membrane 23, the water particles are very small in the water vapor state. According to the principle of capillary motion, they can easily penetrate into the capillary to the other side, thus causing the vapor to permeate. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, the water molecules cannot easily detach from the water droplets and penetrate to the other side, which prevents water penetration and provides a waterproof function.

Claims

1. A distribution box with moisture-proof and dehumidification function, comprising a box body (1), characterized in that: The box (1) has hinged doors (11) on both sides of the front, and is designed to open and close. Electrical component bodies (12) are fixedly installed on the back of the inner wall of the box (1). Support legs (13) are fixedly connected to the four corners of the bottom of the box (1). Ventilation holes (14) are opened on both sides of the box (1). Moisture-proof and dust-removing components (2) are provided on both sides of the outer wall of the box (1), and a cooling mechanism (3) is provided on the back of the outer wall of the box (1). The interior of the box (1) is equipped with a fireproof mechanism (7).

2. A distribution box with moisture-proof and dehumidification function according to claim 1, characterized in that: Two photovoltaic panels (4) are fixedly connected to the top of the box (1). A storage battery (5) is fixedly connected to the bottom of the inner wall of the box (1). The storage battery (5) is connected to the photovoltaic panel (4) through an inverter. A row of fans (6) is fixedly connected to the bottom of the inner wall of the box (1) below the electrical component body (12). The fans (6) are electrically connected to the storage battery (5).

3. A distribution box with moisture-proof and dehumidification function according to claim 1, characterized in that: The moisture-proof and dust-removing component (2) includes two sets of frames (21). The two sets of frames (21) are respectively fixedly installed on both sides of the outer wall of the box (1) at the position of the ventilation hole (14). The inner wall of the two sets of frames (21) is respectively fixedly connected to the end away from the box (1) with a dustproof net (22).

4. A distribution box with moisture-proof and dehumidification function according to claim 3, characterized in that: Waterproof and breathable membranes (23) are fixedly connected to the inner walls of the two sets of frames (21) at the end near the box (1), and drainage holes (24) are opened at the bottom of the inner walls of the two sets of frames (21).

5. A distribution box with moisture-proof and dehumidification function according to claim 1, characterized in that: The cooling mechanism (3) includes a heat exchange plate (31) which is embedded on the back of the housing (1).

6. A distribution box with moisture-proof and dehumidification function according to claim 5, characterized in that: The cooling mechanism (3) also includes two water inlet pipes (32). The two water inlet pipes (32) are fixedly connected to the bottom of the outer wall of the two sets of frames (21) at the position of the drain hole (24). One end of the bottom of the two water inlet pipes (32) is fixedly connected to a water storage tank (33), and a water pump is installed inside the water storage tank (33). The outlet end of the water pump inside the two sets of water storage tanks (33) is fixedly connected to a connecting pipe (34). The back of the heat exchange plate (31) is fixedly connected to a cooling pipe (35), and both ends of the cooling pipe (35) are fixedly connected and communicated with the connecting pipes (34) on both sides of the box (1).

7. A distribution box with moisture-proof and dehumidification function according to claim 1, characterized in that: The fireproof mechanism (7) includes two sets of sealing frames (71). The two sets of sealing frames (71) are fixedly connected to the inner wall of the box (1) at the position of the ventilation hole (14). The inner wall of the two sets of sealing frames (71) is provided with sealing grooves (72) on the side close to the inner wall of the box (1). The inner walls of the two sealing grooves (72) are slidably connected with sealing plates (73).

8. A distribution box with moisture-proof and dehumidification function according to claim 7, characterized in that: The fireproof mechanism (7) also includes two electric telescopic rods (74), which are fixedly connected to the bottom sides of the inner wall of the box (1) respectively. A connecting block (75) is fixedly connected to one top end of each of the two electric telescopic rods (74), and the connecting block (75) is fixedly connected to the corresponding sealing plate (73).

9. A distribution box with moisture-proof and dehumidification function according to claim 7, characterized in that: The fire protection mechanism (7) also includes a smoke detector (76), which is fixedly connected to the top of the inner wall of the box (1). A controller (77) is fixedly connected to the bottom of the inner wall of the box (1), and the controller (77) is signal connected to the smoke detector (76).

10. A method of using a distribution box with moisture-proof and dehumidification functions, characterized in that, It consists of the following steps: Step 1: Ensure normal air circulation inside the box (1) by opening ventilation holes (14) in the box (1), ensure good ventilation, and avoid the accumulation of water vapor inside the box (1); Step 2: Accelerate airflow by starting the fan (6) to improve ventilation while dissipating heat from the electrical components (12); Step 3: By setting up a waterproof and breathable membrane (23), the water particles are very small in the state of water vapor. According to the principle of capillary motion, they can easily penetrate into the capillary to the other side, thus causing the vapor to permeate. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of the water droplets, the water molecules cannot easily detach from the water droplets and penetrate to the other side, which prevents water penetration and has a waterproof function.

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