CN211017918U - A waterproof distribution box - Google Patents

Abstract

The utility model discloses a waterproof distribution box. The distribution box comprises a box body, a box door rotatably arranged on the front of the box body, an exhaust window arranged at the top of a first side plate of the box body, and a fixed insert. An exhaust device arranged in the exhaust window, an air intake window arranged at the bottom end of the second side plate of the box body, an air intake device fixedly embedded in the air intake window, and at least Two mounting plates, the exhaust device includes a first fixing plate, a first through hole arranged in the middle of the first fixing plate, an exhaust fan fixedly embedded in the first through hole, and a cover arranged in the first through hole. A first ventilation cavity on the first surface of the fixing plate and can extend out of the box from the position of the exhaust window, a second ventilation cavity covered on the second surface of the first fixing board and located in the box, the The bottom wall of the first ventilation cavity is provided with a first exhaust hole, the top surface of the second ventilation cavity is provided with a second exhaust hole, and the air intake device includes a second fixing plate.

Description

A waterproof distribution box

technical field

The utility model relates to a waterproof distribution box.

Background technique

During the use of the existing distribution box, since the operation of the electrical components in the distribution box will generate a certain amount of heat, it is necessary to provide heat dissipation holes on the distribution box to dissipate the heat in the distribution box to the outside. However, since there are cooling holes on the distribution box, rainwater can easily enter the distribution box from the position of the cooling holes, causing damage to electrical components.

Utility model content

Aiming at the above-mentioned defects of the prior art, the utility model provides a waterproof distribution box.

The technical solution adopted by the utility model to solve the technical problem is: constructing a waterproof distribution box, the distribution box includes a box body, a box door that can be rotatably covered on the front of the box body, and a first box disposed on the box body. The exhaust window at the top of the side plate, the exhaust device fixedly embedded in the exhaust window, the intake window arranged at the bottom end of the second side plate of the box, and the intake device fixedly embedded in the intake window , and at least two mounting plates staggered in the box body, the exhaust device includes a first fixing plate, a first through hole arranged in the middle of the first fixing plate, and a first through hole fixedly embedded in the first through hole. An exhaust fan, a first ventilation cavity covered on the first surface of the first fixing plate and extending from the position of the exhaust window to the outside of the box, covered on the second surface of the first fixing plate and located at the In the second ventilation cavity in the box, the bottom wall of the first ventilation cavity is provided with a first exhaust hole, the top surface of the second ventilation cavity is provided with a second exhaust hole, and the air intake device includes a second fixing plate, A second through hole arranged in the middle of the second fixing plate, an air intake fan fixedly embedded in the second through hole, covered on the first surface of the second fixing plate and extending from the position of the air intake window a third ventilation cavity that extends out of the box, a fourth ventilation cavity that is covered on the second surface of the second fixing plate and located in the box, the bottom wall of the third ventilation cavity is provided with a first air intake hole, The top surface of the fourth ventilation cavity is provided with a second air intake hole.

In the waterproof distribution box of the present invention, a first hollow screen frame is fixedly embedded in the first through hole, the exhaust fan is fixed in the first hollow screen frame, and the second through hole is fixed in the first hollow screen frame. A second hollow screen frame is fixedly embedded, and the air intake fan is fixed in the second hollow screen frame.

In the waterproof distribution box of the present invention, both the first side of the first fixing plate and the second side of the first fixing plate are provided with the first fixing plate for fixing the first fixing plate to the inner side of the first side plate of the box body The first fixing hole on the second fixing plate and the second side of the second fixing plate are provided with second fixing holes for fixing the second fixing plate on the inner side of the second side plate of the box .

In the waterproof distribution box of the present invention, the top surface of each of the at least two mounting plates is provided with mounting holes for fixing electrical components, and the bottom surface of each of the at least two mounting plates Both are fixed with heat sinks that are vertically and fixedly connected to the mounting plate.

In the waterproof distribution box of the present invention, the at least two mounting plates include at least one first mounting plate and at least one second mounting plate, and the first mounting plate and the second mounting plate are staggered;

When the box door is fixed on the box body, the inner side of the first mounting plate abuts against the back plate of the box body, and a first ventilation gap is left between the outer side of the first mounting plate and the box door; the A second ventilation gap is left between the inner side surface of the second mounting plate and the back plate of the box body, and the outer side surface of the second mounting plate is abutted against the inner side surface of the box door.

In the waterproof distribution box of the present invention, a wire hole for cables to pass through is provided on the back plate of the box body, a waterproof cover is located on the outer side of the back plate of the box body at a position corresponding to the wire hole, the The waterproof cover is provided with an "L" connection hole communicating with the wire hole, the first end of the connection hole is communicated with the wire hole, and the second end of the connection hole extends to the bottom end surface of the waterproof cover.

In the waterproof distribution box of the present invention, a first sealing gasket sleeved outside the first ventilation cavity is provided on the periphery of the first ventilation cavity, and a first sealing gasket sleeved on the outside of the second ventilation cavity is provided on the periphery of the second ventilation cavity. A second sealing gasket outside the ventilation cavity.

Implementing the waterproof distribution box of the present invention has the following beneficial effects: when the waterproof distribution box of the present invention is used, when the electrical components in the distribution box are running, it can play the role of an air intake fan and an exhaust fan. The fan sucks the low-temperature air from the outside into the box through the second air intake hole through the first air intake hole, and the exhaust fan discharges the high-temperature air in the box from the second exhaust hole through the first exhaust hole to the outside of the box. Realize the air circulation inside and outside the box to achieve the effect of heat dissipation. During the air circulation process, since the first air intake holes and the first air exhaust holes are located on the bottom walls of the first ventilation cavity and the third ventilation cavity, rainwater can be prevented from entering the box from the first air intake holes and the first air exhaust holes In the body, it plays a waterproof role.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, in the accompanying drawings:

Fig. 1 is the structural representation of the waterproof distribution box of the present utility model;

Fig. 2 is the structural representation of the exhaust device in the waterproof distribution box of the present utility model;

Fig. 3 is the structural representation of the air inlet device in the waterproof distribution box of the present utility model;

Fig. 4 is the structural schematic diagram of the first fixing plate in the waterproof distribution box of the present invention;

FIG. 5 is a schematic side view of the waterproof distribution box of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present utility model more clear, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

As shown in Figures 1, 2 and 3, in the first embodiment of the waterproof distribution box of the present invention, the distribution box 1 includes a box body 2, a box door 3 that can be rotatably covered on the front of the box body 2, The exhaust window 4 arranged at the top end of the first side plate of the box body 2, the exhaust device 6 fixedly embedded in the exhaust window 4, the air intake window 5 arranged at the bottom end of the second side plate of the box body 2, The air intake device 7 fixedly embedded in the air intake window 5 and at least two mounting plates 8 are arranged in the box 2 in a staggered manner. The exhaust device 6 includes a first fixing plate 9 arranged on the first The first through hole 10 in the middle of the fixing plate 9 , the exhaust fan 11 fixedly embedded in the first through hole 10 , covered on the first surface of the first fixing plate 9 and accessible from the position of the exhaust window 4 The first ventilation cavity 12 extending out of the box body 2 and the second ventilation cavity 13 covered on the second surface of the first fixing plate 9 and located in the box body 2 are located on the bottom wall of the first ventilation cavity 12 A first vent hole is provided, a second vent hole 14 is provided on the top surface of the second ventilation cavity 13 , and the air intake device 7 includes a second fixing plate 15 and a second passage arranged in the middle of the second fixing plate 15 . A hole, an air intake fan fixedly embedded in the second through hole, and a third cover installed on the first surface of the second fixing plate 15 and extending from the position of the air intake window 5 to the outside of the box 2 The ventilation cavity 16, the fourth ventilation cavity 17 covered on the second surface of the second fixing plate 15 and located in the box body 2, the bottom wall of the third ventilation cavity 16 is provided with a first air intake hole 18, The top surface of the four ventilation cavities 17 is provided with a second air intake hole 19 .

When using the waterproof power distribution box 1 of the present invention, when the electrical components in the power distribution box 1 are running, they can function as an intake fan and an exhaust fan 11, and the intake fan sends the outside low-temperature air from the second intake hole 19. The air is sucked into the box body 2 through the first air intake hole 18, and the high-temperature air in the box body 2 is discharged from the second exhaust hole 14 through the first exhaust hole to the outside of the box body 2 by the exhaust fan 11 to realize the box body. 2 Internal and external air circulation to achieve cooling effect. During the air circulation process, since the first air intake holes 18 and the first air exhaust holes are both located on the bottom walls of the first ventilation cavity 12 and the third ventilation cavity 16, rainwater can be prevented from entering the first air intake holes 18 and the first row The air hole enters the box body 2 and plays a waterproof role.

Further, since the mounting plates 8 are arranged in a staggered manner in the box body 2 , the contact between the circulating air and the mounting plate 8 and the electrical components can be promoted, and heat dissipation can be promoted, which will be described in detail later.

As shown in FIG. 4 , the first hollow screen frame 20 is fixedly embedded in the first through hole 10 , the exhaust fan 11 is fixedly embedded in the first hollow screen frame 20 , and the second through hole is fixed and embedded There is a second hollow screen frame, and the air intake fan is fixed in the second hollow screen frame.

Further, both the first side of the first fixing plate 9 and the second side of the first fixing plate 9 are provided with first fixing holes for fixing the first fixing plate 9 on the inner surface of the first side plate of the box body 2 21. Both the first side of the second fixing plate 15 and the second side of the second fixing plate 15 are provided with second fixing holes 22 for fixing the second fixing plate 15 to the inner surface of the second side plate of the box body 2 .

In order to achieve a better heat dissipation effect, the top surface of each of the at least two mounting plates 8 is provided with mounting holes 25 for fixing and installing electrical components, and each of the at least two mounting plates 8 is provided with mounting holes 25 . The bottom surfaces are all fixed with cooling fins 26 that are vertically and fixedly connected to the mounting plate 8 .

Specifically, the at least two mounting plates 8 include at least one first mounting plate 8 and at least one second mounting plate 8, and the first mounting plates 8 and the second mounting plates 8 are alternately arranged;

When the box door 3 is fixed on the box body 2 , the inner side of the first mounting plate 8 is in contact with the back plate of the box body 2 , and a space is left between the outer side of the first mounting plate 8 and the box door 3 . The first ventilation gap 23 ; a second ventilation gap 24 is left between the inner side of the second mounting plate 8 and the back plate of the box 2 , and the outer side of the second mounting plate 8 abuts the inner side of the box door 3 .

In this embodiment, the staggered arrangement means that a second mounting plate 8 is sandwiched between every two adjacent first mounting plates 8 . Similarly, every two adjacent second mounting plates 8 are sandwiched between each other. A first mounting plate 8 is provided.

By arranging the first mounting plate 8 and the second mounting plate 8 alternately, when the air circulates in the box body 2, it needs to bypass between the first ventilation gap 23 and the second ventilation gap 24, and the air circulation forms an S-shaped circulation route , which can better contact with the mounting board 8 and electrical components to promote heat dissipation.

As shown in FIG. 5 , the back plate of the box body 2 is provided with a wire hole 27 for cables to pass through, and a waterproof cover 28 is located on the outer side of the back plate of the box body 2 at a position corresponding to the wire hole 27 . 28 is provided with an “L” connecting hole 29 which communicates with the wire hole 27 .

When wiring, the lines are passed out of the box body 2 from the line hole 27 and the connection hole 29 to prevent rainwater from entering the box body 2 from the position of the line hole 27 .

Further, the periphery of the first ventilation cavity 12 is provided with a first sealing gasket sleeved outside the first ventilation cavity 12 , and the periphery of the second ventilation cavity 13 is provided with a second ventilation cavity 13 sleeved outside. Gasket 30 .

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (7)

1. A waterproof power distribution box, characterized in that the power distribution box comprises a box body, a box door that can be rotatably covered on the front of the box body, and an air outlet that is arranged on the top of the first side plate of the box body. a window, an exhaust device fixedly embedded in the exhaust window, an intake window disposed at the bottom end of the second side plate of the box, an intake device fixedly embedded in the intake window, and At least two mounting plates are arranged in the box, and the exhaust device includes a first fixing plate, a first through hole arranged in the middle of the first fixing plate, and is fixedly embedded in the first through hole an exhaust fan, a first ventilation cavity covered on the first surface of the first fixing plate and extending from the position of the exhaust window to the outside of the box, and a first ventilation cavity covered on the first fixing plate A second ventilation cavity on the second side and located in the box body, the bottom wall of the first ventilation cavity is provided with a first exhaust hole, the top surface of the second ventilation cavity is provided with a second exhaust hole, the The air intake device includes a second fixing plate, a second through hole arranged in the middle of the second fixing plate, an air intake fan fixedly embedded in the second through hole, and a second through hole covered on the second fixing plate. a third ventilation cavity on one side that can extend from the position of the air intake window to the outside of the box, a fourth ventilation cavity covered on the second surface of the second fixing plate and located in the box, The bottom wall of the third ventilation cavity is provided with a first air intake hole, and the top surface of the fourth ventilation cavity is provided with a second air intake hole. 2 . The waterproof distribution box according to claim 1 , wherein a first hollow screen frame is fixedly embedded in the first through hole, and the exhaust fan is fixed on the first hollow screen frame. 3 . Inside, a second hollow screen frame is fixedly embedded in the second through hole, and the air intake fan is fixed in the second hollow screen frame. 3 . The waterproof distribution box according to claim 1 , wherein the first side of the first fixing plate and the second side of the first fixing plate are provided with a device for fixing the first fixing plate to the The first fixing hole on the inner surface of the first side plate of the box body, the first side of the second fixing plate and the second side of the second fixing plate are provided with the second fixing plate for fixing the second fixing plate to the first side of the box body. The second fixing hole on the inner surface of the two side plates. 4 . The waterproof distribution box according to claim 1 , wherein the top surface of each of the at least two mounting plates is provided with mounting holes for fixing and installing electrical components, and the at least two mounting plates are provided with mounting holes. 5 . The bottom surface of each mounting plate in the plate is fixed with a heat sink that is vertically and fixedly connected to the mounting plate. 5. The waterproof distribution box according to claim 1, wherein the at least two mounting plates comprise at least one first mounting plate and at least one second mounting plate, the first mounting plate and the second mounting plate Board staggered settings; When the box door fixed cover is installed on the box body, the inner side of the first mounting plate is in contact with the box back plate, and a space is left between the outer side of the first mounting plate and the box door. A first ventilation gap; a second ventilation gap is left between the inner side surface of the second mounting plate and the box back plate, and the outer side surface of the second mounting plate abuts against the inner side surface of the box door. 6 . The waterproof distribution box according to claim 1 , wherein a wire hole for cables to pass through is provided on the back plate of the box body, and the outer surface of the back plate of the box body is connected with the wire hole. 7 . The waterproof cover at the corresponding position is provided with an "L" connection hole that communicates with the wire hole, the first end of the connection hole is communicated with the wire hole, and the second end of the connection hole extends to the bottom end face of the waterproof cover. 7 . The waterproof power distribution box according to claim 1 , wherein a first sealing gasket sleeved on the periphery of the first ventilation cavity is provided on the periphery of the first ventilation cavity, and the periphery of the second ventilation cavity is provided with a first sealing gasket. 8 . A second sealing gasket sleeved outside the second ventilation cavity is provided.

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