Comprehensive distribution box with protection structure

Abstract

The utility model discloses a comprehensive distribution box with a protection structure, which comprises a box body, the outer wall of the box body is provided with a protection shell, a channel is arranged between the protection shell and the box body, the top of the box body is provided with a heat dissipation cavity and is communicated with the channel, the top of the box body is provided with a fan, and the heat dissipation cavity is communicated with the fan. A bottom plate is arranged at the bottom of the box body, and a plurality of air inlet holes are formed in the bottom plate and located at an inlet of the channel and the bottom of the box body. Rainwater is prevented from permeating into the box body through the protective shell, and the risk of electrical faults such as short circuit is remarkably reduced. When the fan is started, outside cold air is sucked into the channel and the box body, the cold air in the box body exchanges heat with the electrical equipment in the box body, and the cold air in the channel forms an air curtain, so that the direct influence of the external environment on the temperature of the electrical equipment is isolated; and the product has the advantages of protection effect, improved heat dissipation effect, improved operation reliability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distribution box especially, relates to a comprehensive distribution box with protection structure. BACKGROUND

[0002] A distribution box is a device used to distribute electrical power and protect electrical equipment. In buildings or industrial facilities, the distribution box usually plays a role in distributing electrical energy from the main power supply to various electrical equipment, while protecting electrical equipment from overload, short circuit and other electrical faults.

[0003] In order to ensure the stable operation of the internal components of the outdoor distribution box in high temperature environment, prolong the service life, and prevent damage due to overheating, a plurality of heat dissipation holes are usually designed on the side wall of the cabinet to enhance air circulation and heat dissipation effect. However, this design also brings certain risks: rainwater will seep into the box through these heat dissipation holes and accumulate inside, which not only increases the humidity of the air inside the box, but also may cause the equipment to be damaged due to the humid environment, and even cause electrical faults such as short circuit. Therefore, the applicant has made beneficial design and found a method to solve the above problems, and the technical scheme to be introduced below is generated in this background. SUMMARY

[0004] The utility model discloses a product with protection effect, improve the heat dissipation effect, improve the operation reliability to overcome the short of traditional distribution box design.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A comprehensive distribution box with protection structure, including the box, the outer wall of box is equipped with the protection shell, is equipped with the passageway between protection shell and box, the top of box is equipped with the heat dissipation chamber, and is communicated with passageway, the top of box is equipped with the fan, and sets up in heat dissipation chamber, the bottom of box is equipped with the bottom plate, the bottom plate is equipped with a plurality of air inlet holes, and is located at the entrance of passageway and the bottom of box, the outer wall surface of box is equipped with the avoidance slot, and sets up above air inlet hole.

[0007] Preferably, the top of the box is provided with a bearing plate, and the bearing plate is provided with a ventilation hole, so that the passageway and the heat dissipation chamber are communicated.

[0008] Preferably, the bearing plate is provided with a box cover, and the heat dissipation chamber is arranged in the box cover.

[0009] Preferably, each side wall surface of the heat dissipation chamber is provided with a plurality of first heat dissipation holes at equal intervals, and an inclined surface is arranged below the first heat dissipation holes.

[0010] Preferably, the outer wall of the box cover is provided with an extension and is located above the first heat dissipation hole.

[0011] Preferably, the upper part of the heat dissipation chamber is uniformly provided with a plurality of inclined flow guide portions with a circular dot as the center.

[0012] Preferably, the bottom plate is provided with a guide groove, a filter screen is slidably arranged in the guide groove, and a supporting leg is arranged at a corner of the bottom plate.

[0013] Preferably, each side wall surface of the box body is provided with a second heat dissipation hole and is in communication with the channel, and the second heat dissipation hole is close to the upper part of the box body.

[0014] Preferably, the spacing between the avoidance groove and the protective shell is greater than the spacing between the protective shell and the box body.

[0015] Beneficial effects:

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] (1) The utility model effectively prevents rainwater from invading the inside of the distribution box under the action of wind by the protective shell, reduces the situation that the air humidity in the box body fluctuates greatly, significantly reduces the risk of electrical faults such as short circuit, and ensures the safe operation and long-term stability of the distribution box.

[0018] (2) When the fan is started, the outside cold air is sucked and enters the channel and the inside of the box body through the air inlet hole, the cold air exchanges heat with the electrical equipment from bottom to top, the area of the cold air contacting the equipment is increased, the temperature rise of the electrical equipment is effectively controlled, the high-speed flowing cold air in the channel forms an effective air curtain, the direct influence of the external environment on the temperature of the electrical equipment in the box body is insulated, at the same time, the hot air in the box body is driven to flow together, the long-term stable operation of the cooling system is ensured, in addition, the design of the avoidance groove cleverly increases the air intake amount of the cold air in the channel, further improves the gas flow speed above the box body, and thus the heat dissipation efficiency is significantly improved; through the above design, the product has a significant advantage in heat dissipation effect, ensures the stable operation of the electrical equipment in a high-temperature environment, prolongs the service life of the equipment, and improves the reliability of the distribution box. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a structural schematic view of the utility model of a comprehensive distribution box with a protective structure.

[0020] Fig. 2 It is an exploded structural schematic view of the utility model of a comprehensive distribution box with a protective structure.

[0021] Fig. 3The utility model discloses a side sectional structure schematic diagram of a comprehensive distribution box with a protection structure,

[0022] Fig. 4 The utility model discloses a box cover side sectional structure schematic diagram of a comprehensive distribution box with a protection structure,

[0023] The correspondence between the reference signs in the drawing and the component names is as follows:

[0024] Reference signs: 1, box body, 2, protective shell, 3, passageway, 4, box cover, 5, fan, 6, bottom plate, 11, avoiding groove, 12, bearing plate, 13, second heat dissipation hole, 121, air vent, 41, heat dissipation chamber, 42, first heat dissipation hole, 43, extension, 44, flow guide part, 421, inclined surface, 61, air inlet, 62, guide groove, 63, filter screen, 64, supporting leg. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0026] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "upper", "lower", "left", "right" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0027] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated objects, which can represent the existence of three kinds of relationships, for example, A and / or B can represent the existence of A alone, A and B simultaneously and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a kind of "or" relationship.

[0028] Reference Example Figs. 1 to 4 A comprehensive distribution box with a protection structure, comprising a box body 1, the outer wall of the box body 1 is provided with a protective shell 2, the protective shell 2 and the box body 1 are provided with a passageway 3, the top of the box body 1 is provided with a heat dissipation chamber 41, and is communicated with the passageway 3, the top of the box body 1 is provided with a fan 5, and is arranged in the heat dissipation chamber 41, the bottom of the box body 1 is provided with a bottom plate 6, the bottom plate 6 is provided with a plurality of air inlets 61, and is located at the entrance of the passageway 3 and the bottom of the box body 1, the outer wall surface of the box body 1 is provided with an avoiding groove 11, and is arranged above the air inlet 61.

[0029] It is worth mentioning that the top of the box 1 is provided with a bearing plate 12, the bearing plate 12 is provided with a ventilation hole 121, the passage 3 is communicated with the heat dissipation chamber 41;

[0030] It is worth mentioning that the bearing plate 12 is provided with a box cover 4, and the heat dissipation chamber 41 is arranged in the box cover 4;

[0031] It is worth mentioning that each side wall surface of the heat dissipation chamber 41 is provided with a plurality of equidistant first heat dissipation holes 42, and an inclined surface 421 is arranged below the first heat dissipation holes 42, and the inclined surface 421 further prevents rainwater from penetrating into the heat dissipation chamber 41 under the influence of strong wind;

[0032] It is worth mentioning that the outer wall of the box cover 4 is provided with an extension part 43 and is located above the first heat dissipation hole 42, and the extension part 43 avoids rainwater from dropping on the first heat dissipation hole 42 under the influence of wind;

[0033] It is worth mentioning that a plurality of inclined flow guide parts 44 are uniformly distributed above the heat dissipation chamber 41 with a circular dot as an axis, the flow guide parts 44 help the hot air in the heat dissipation chamber 41 to flow in a predetermined direction, reduce vortex and backflow of high-speed hot air in the heat dissipation chamber 41, thereby improving the ventilation efficiency of the fan 5, the heat in the heat dissipation chamber 41 can be more effectively taken away through the first heat dissipation hole 42, the heat dissipation efficiency is improved, and orderly airflow can reduce airflow turbulence and impact, and reduce noise generated by airflow turbulence;

[0034] It is worth mentioning that the bottom plate 6 is provided with a guide groove 62, the guide groove 62 is slidably provided with a filter screen 63, and the corner of the bottom plate 6 is provided with a supporting leg 64; the guide groove 62 provides support and guidance for the filter screen 63; the filter screen 63 can be selected from a group consisting of a fine gauze screen, a synthetic fiber filter screen 63, a non-woven fabric filter screen 63 and a primary efficiency filter screen 63; the supporting leg 64 raises the distance between the air inlet hole 61 and the ground, so that external cold air enters the box 1 and the passage 3;

[0035] It is worth mentioning that each side wall surface of the box 1 is provided with a second heat dissipation hole 13 and is communicated with the passage 3, and the second heat dissipation hole 13 is close to the upper side of the box 1; after the cold air exchanges heat with the electrical equipment, the hot air is discharged from the second heat dissipation hole 13 under the influence of the suction force of the fan 5;

[0036] It is worth mentioning that the distance between the avoidance groove 11 and the protective shell 2 is greater than the distance between the protective shell 2 and the box 1, and the design of the avoidance groove 11 cleverly increases the cold air intake amount in the passage 3, further improves the gas flow speed above the box 1, and significantly improves the heat dissipation efficiency.

[0037] The use principle of the utility model will be described as follows:

[0038] When the fan 5 starts, the outside cold air is sucked and enters the channel 3 and the inside of the box 1 through the air inlet hole 61, and the cold air exchanges heat with the electrical equipment from bottom to top, increases the contact area of the cold air with the equipment, and effectively controls the temperature rise of the electrical equipment;

[0039] The cold air flowing at high speed in the channel 3 forms an effective air curtain, which isolates the direct influence of the external environment on the temperature of the electrical equipment in the box 1, and at the same time drives the hot air in the box 1 to flow together and enter the heat dissipation chamber 41, blows the hot air to the top of the heat dissipation chamber 41 through the fan 5, and makes the hot air quickly flow out from the first heat dissipation hole 42 through the flow guide part 44, which ensures the long-term stable operation of the cooling system;

[0040] Through the above design, the product has a significant advantage in heat dissipation effect, ensures the stable operation of the electrical equipment in the high temperature environment, prolongs the service life of the equipment, and improves the reliability of the distribution box.

[0041] The above design scheme can make the product have the advantages of protection effect, improved heat dissipation effect and improved operation reliability.

[0042] The above content is a further detailed description of the utility model in combination with the specific implementation, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technical personnel in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection range determined by the claims of the utility model submitted.

Claims

1. A comprehensive distribution box with a protective structure, comprising a box body (1), characterized in that: The outer wall of the box (1) is provided with a protective shell (2), and the protective shell (2) is provided with a channel (3) between the box (1), the top of the box (1) is provided with a heat dissipation chamber (41), and the heat dissipation chamber (41) is communicated with the channel (3), the top of the box (1) is provided with a fan (5), and the fan (5) is arranged in the heat dissipation chamber (41), the bottom of the box (1) is provided with a bottom plate (6), the bottom plate (6) is provided with a plurality of air inlet holes (61), and is located at the inlet of the channel (3) and the bottom of the box (1), the outer wall surface of the box (1) is provided with an avoidance slot (11), and is arranged above the air inlet hole (61).

2. The integrated distribution panel with protective structure according to claim 1, characterized in that: The top of the box (1) is provided with a bearing plate (12), and the bearing plate (12) is provided with a ventilation hole (121), so that the channel (3) is communicated with the heat dissipation chamber (41).

3. The integrated distribution panel with protective structure according to claim 2, wherein: The bearing plate (12) is provided with a box cover (4), and the heat dissipation chamber (41) is arranged in the box cover (4).

4. The integrated distribution panel with protective structure according to claim 3, characterized in that: Each side wall surface of the heat dissipation chamber (41) is provided with a plurality of equidistant first heat dissipation holes (42), and the lower side of the first heat dissipation hole (42) is provided with an inclined surface (421).

5. The integrated distribution panel with protective structure according to claim 4, wherein: The outer wall of the box cover (4) is provided with an extension part (43), and the extension part (43) is located above the first heat dissipation hole (42).

6. The integrated distribution panel with protective structure according to claim 1, wherein: The upper side of the heat dissipation chamber (41) is uniformly distributed with a plurality of inclined flow guide parts (44) with a circular dot as the axis.

7. The integrated distribution panel with protective structure according to claim 1, wherein: The bottom plate (6) is provided with a guide groove (62), and the guide groove (62) is slidably provided with a filter screen (63), and the corner of the bottom plate (6) is provided with a supporting leg (64).

8. The integrated distribution panel with protective structure according to claim 2, wherein: Each side wall surface of the box (1) is provided with a second heat dissipation hole (13), and is communicated with the channel (3), and the second heat dissipation hole (13) is close to the upper side of the box (1).

9. The integrated distribution panel with protective structure according to claim 1, wherein: The distance between the avoidance slot (11) and the protective shell (2) is greater than the distance between the protective shell (2) and the box (1).

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