CN212258195U

CN212258195U - Synthesize low voltage distribution box ventilation heat radiation structure

Info

Publication number: CN212258195U
Application number: CN202020932265.6U
Authority: CN
Inventors: 孟礼州; 周革
Original assignee: Yancheng Juneng Electromechanical Equipment Engineering Co ltd
Current assignee: Yancheng Juneng Electromechanical Equipment Engineering Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-29
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a comprehensive low-voltage distribution box ventilation and heat dissipation structure, which comprises a box body and an air exhaust box, wherein the box body is composed of an outer box body and an inner box body, the inner box body is sleeved with the outer box body, the bottom end of the inner box body is welded with one side of an air vent plate, a plurality of first air vents are equally distributed at the two sides of the air vent plate, a plurality of second air vents are arranged at the opposite sides of a group of inner box bodies, an air exhaust window and a second filter plate are embedded at the upper end and the lower end of the two sides of the outer box body, the top end of the box body is fixedly connected with the air exhaust box, a first centrifugal fan and a second fan are arranged in the air exhaust box, an air exhaust pipeline of the first centrifugal fan and the second fan is uniformly connected with an air outlet, the utility model discloses a box body is erected by a bracket, the first centrifugal fan, the second centrifugal fan and the first air vents are matched for, the good ventilation of the inner box body is ensured, and the electronic elements in the box are radiated.

Description

Synthesize low voltage distribution box ventilation heat radiation structure

Technical Field

The utility model belongs to the technical field of relevant low voltage distribution box heat dissipation, concretely relates to synthesize low voltage distribution box ventilation cooling structure.

Background

With the development of economy, the development of the power industry is rapid. In the last decade, due to the widespread deployment of urban network transformation across the country, a large number of power distribution equipment appears beside roads and in communities in cities. The external box body of the traditional power distribution equipment is generally made of steel plates or composite plates, the ventilation and heat dissipation are generally realized by directly arranging ventilation holes on the box body, the ventilation holes are often corroded more easily, the attractiveness is affected, and the box body is very easy to be seriously damaged; moreover, the direct arrangement of the ventilation holes on the box body can easily cause rainwater, dust and the like to enter the box body of the pre-installed substation, and hidden dangers and unsafe factors are left for the normal operation of power equipment, so that the ventilation and heat dissipation structure of the comprehensive low-voltage distribution box needs to be designed and manufactured to solve the problems.

The ventilation and heat dissipation structure technology of the existing distribution box has the following problems: the ventilation and heat dissipation structure of the conventional distribution box generally adopts a structure that the ventilation holes are directly formed in the upper portion of the box body, the ventilation holes are often corroded more easily and cause rainwater and dust to enter the box body easily, hidden dangers and unsafe factors are left for normal operation of power equipment, and even serious damage of the equipment in the box body is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synthesize low voltage distribution box ventilation cooling structure to current block terminal ventilation cooling structure who proposes in solving above-mentioned background art generally adopts and directly sets up the ventilation hole in the box top, and ventilation hole department often is corroded more easily and very leads to advancing rainwater, dust in the box easily, leaves hidden danger and unsafe factor for power equipment's normal operating, leads to the serious damaged problem of incasement equipment even.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a synthesize low voltage distribution box ventilation heat radiation structure, includes box and row's bellows, its characterized in that: the box body is composed of an outer box body and an inner box body, the inner box body is sleeved with the outer box body, the bottom end of the inner box body is welded with one side of a vent plate, a plurality of first vent holes are uniformly arranged at the two sides of the vent plate at equal intervals, a first filter plate is welded at the center of the interior of the vent plate, the bottom end of the vent plate is fixedly connected with support legs, two groups of opposite side surfaces of the vent plate are welded with the inner wall of the bottom end of the outer box body, and a group of opposite side surfaces of the inner box;

the air exhaust device is characterized in that an air exhaust window and a second filter plate are embedded into the upper end and the lower end of the two sides of the outer box body respectively, the second filter plate is fixed on the left side of the air exhaust window, an air exhaust box is fixedly connected to the top end of the box body, a first centrifugal fan and a second centrifugal fan are arranged inside the air exhaust box, air outlets are formed in the two side faces of the air exhaust box respectively, and air exhaust pipelines of the first centrifugal fan and the second centrifugal fan are connected through uniform air outlets.

Preferably, the air inlets of the first centrifugal fan and the second centrifugal fan are fixedly connected with one end of the exhaust pipe, the other end of the exhaust pipe is arranged at the top of the inner box body, and the box body is rotatably connected with the box door through a hinge.

Preferably, one the exhaust window and one the second filter plate are in one group, four groups are arranged on two sides of the outer box, and the four groups of the exhaust window and the second filter plate are symmetrical in position on two sides of the outer box.

Preferably, leave the interval between outer box and the interior box, interior box top forms left air flue along forming between interior box right side outer wall and the outer box right side inner wall, and interior box top forms right air flue along interior box left side outer wall and outer box right side inner wall, and the front side forms preceding intake duct between the interior box in the same reason, and the rear side forms the back intake duct, and left air flue, right air flue, preceding air flue, back air flue communicate each other, form the complete square air flue that the inner box outer wall formed along the round.

Preferably, the outer walls of the front side and the rear side of the inner box body are respectively provided with a second vent hole, and the second vent holes are symmetrical to the outer wall of the inner box body.

Preferably, the first centrifugal fan is arranged above the right side inside the exhaust box, and the second centrifugal fan is arranged below the left side inside the exhaust box.

Compared with the prior art, the utility model provides a synthesize low voltage distribution box ventilation cooling structure possesses following beneficial effect:

1. the utility model discloses with ventilation board and outer box bottom welding, it is built on stilts with the box through a supporting angle, use through the cooperation of first centrifugal fan, second centrifugal fan and first blow vent, the air exit is connected with centrifugal fan, the internal box of centrifugal fan bleeds, box and outside formation atmospheric pressure, box in fresh air gets into from the first air vent of bottom half, the good air permeability of box in guaranteeing, to the electronic component heat dissipation of incasement, it sets up the gas vent and avoids the rainwater to get into inside the box to air exhaust the case side.

2. The utility model discloses a form between the inside and outside box and form complete square air flue along the outer wall of inner box, heat in the inner box gets into the air flue from second ventilation hole to outside discharging to the box in the air discharge window, the air discharge window that the symmetry set up, make the convection current ventilation effect in the air flue more, further accelerated the heat dissipation of incasement electrical component, prevent through the first filter plate that sets up in the box bottom that the dust from getting into the incasement, influence the electronic component's of incasement rate of heat dissipation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a ventilation and heat dissipation structure of the comprehensive low-voltage distribution box of the present invention;

fig. 2 is a sectional view of the ventilation and heat dissipation structure of the comprehensive low-voltage distribution box of the present invention;

fig. 3 is a top view of the box body with a schematic structural diagram according to the present invention;

FIG. 4 is a top view of the air discharging box according to the schematic structural diagram of the present invention;

in the figure: 1. an exhaust box; 2. an air outlet; 3. a box body; 4. an exhaust window; 5. a box door; 6. a hinge; 7. a support leg; 8. an inner box body; 9. an exhaust pipe; 10. a first centrifugal fan; 11. a breather plate; 12. a first vent; 13. a first filter plate; 14. a second vent; 15. a second filter plate; 16. a second centrifugal fan; 17. an outer case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a synthesize low voltage distribution box ventilation heat radiation structure, includes box 3 and row's bellows 1, its characterized in that: the box body 3 is composed of an outer box body 17 and an inner box body 8, the inner box body 8 is sleeved with the outer box body 17, the box body 3 is rotatably connected with a box door 5 through a hinge 6, a space is reserved between the outer box body 17 and the inner box body 8, a left air passage is formed at the top end of the inner box body 8 along the right outer wall of the inner box body 8 and the right inner wall of the outer box body 17, a right air passage is formed at the top end of the inner box body 8 along the left outer wall of the inner box body 8 and the right inner wall of the outer box body 17, a front air inlet channel is formed at the front side between the inner box body 17 and the outer box body 17 in a similar way, a rear air inlet channel is formed at the rear side, the left air passage, the right air passage, the front air passage and the rear air passage are mutually communicated to form a circle of complete square air passage formed along the outer wall of the inner box body 8, the bottom end of the inner box body 8 is, the air that gets into interior box filters, avoids the dust to get into, and two sets of relative both sides face of aeration plate 11 and outer box 17 bottom inner wall welding, and aeration plate 11 bottom fixedly connected with stabilizer blade 7 makes it keep away from ground through support with box 3 built on stilts, avoids being invaded by the rainwater, a set of relative side of interior box 8 all is provided with a plurality of second vents 14, all is provided with second vents 14 on the outer wall of both sides around interior box 8, position symmetry on the outer wall of box 8 including second vent 14, heat in the interior box 8 get into the air flue from second vent 14 to discharge to outside box 3 in the air flue 4, the air discharge window 4 of symmetry setting for the convection current ventilation effect in the air flue is more, has further accelerated the heat dissipation of incasement electrical component.

Exhaust windows 4 and second filter plates 15 are embedded into the upper end and the lower end of the two sides of the outer box body 17, one exhaust window 4 and one second filter plate 15 form a group, four groups are arranged on the two sides of the outer box body 17, the four groups on the two sides of the outer box body 17 are symmetrical in position of the exhaust window 4 and the second filter plate 15, the second filter plate 15 prevents dust outside the box body 3 from entering the box body through the exhaust fan 4, heat in a square air passage is discharged to the outside of the box body through the exhaust fan 4, an exhaust port 9 is arranged on the side face of the exhaust box 1 to prevent rainwater from entering the inside of the box body, the second filter plate 15 is fixed on the left side of the exhaust window 4, the top end of the box body is fixedly connected with an exhaust box 1, a first centrifugal fan 10 and a second centrifugal fan 16 are arranged inside the exhaust box 1, exhaust ports 2 are arranged on the two side faces of the exhaust box 1, and, first

centrifugal fan

10 and 16 air intakes of second centrifugal fan and blast pipe 9 one end fixed connection, box 8 top including the blast pipe 9 other end sets up, first centrifugal fan 10 sets up in the inside right side top of case of airing exhaust 1, and second centrifugal fan 16 sets up in the inside left side below of case of airing exhaust 1, uses through the cooperation of first centrifugal fan 10, second centrifugal fan 16 and first blow vent 12, and air exit 2 is connected with centrifugal fan, and centrifugal fan is to interior box 8 bleeding, and box 3 forms inside and outside atmospheric pressure, and box in the box was got into to the first air vent 12 in fresh air rushes 3 bottoms of box, and the good air permeability of box in the assurance dispels the heat to the electronic component of incasement.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back well, it is built on stilts with box 3 through a supporting angle 7, first centrifugal fan 10, second centrifugal fan 16 and first blow vent 12's cooperation is used, air exit 2 is connected with centrifugal fan, centrifugal fan is internal 8 bleed, box 3 and outside atmospheric pressure that forms, fresh air gets into interior box 8 from the first air vent 12 in box 3 bottom, box 8's good air permeability in guaranteeing, to the electronic component heat dissipation of incasement, heat in the interior box 8 gets into square air flue from second air vent 14, and outside the box 3 of discharging in the air discharge window 4, the heat dissipation of incasement electrical component has further been accelerated, prevent that the dust from getting into the incasement through the first 13 that sets up in 3 bottoms of box filter plate, influence the electronic component's of incasement rate of heat dissipation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a synthesize low voltage distribution box ventilation heat radiation structure, includes box (3) and row's bellows (1), its characterized in that: the box body (3) is composed of an outer box body (17) and an inner box body (8), the inner box body (8) is sleeved with the outer box body (17), the bottom end of the inner box body (8) is welded with one side of a vent plate (11), a plurality of first vent holes (12) are equally arranged on two sides of the vent plate (11) at equal intervals, a first filter plate (13) is welded at the center of the interior of the vent plate (11), support legs (7) are fixedly connected to the bottom end of the vent plate (11), two groups of opposite side surfaces of the vent plate (11) are welded with the inner wall of the bottom end of the outer box body (17), and a plurality of second vent holes are arranged on one group of opposite side surfaces of the;

exhaust window (4) and second filter plate (15) have all been embedded into at both ends about outer box (17) both sides, and the left side at exhaust window (4) is fixed in second filter plate (15), box top fixedly connected with exhaust box (1), exhaust box (1) inside is provided with first centrifugal fan (10) and second centrifugal fan (16), and exhaust box (1) both sides face all is provided with air exit (2), the even air exit (2) of exhaust duct of first centrifugal fan (10) and second centrifugal fan (16) are connected.

2. The comprehensive low-voltage distribution box ventilation and heat dissipation structure of claim 1, characterized in that: the air inlet of the first centrifugal fan (10) and the air inlet of the second centrifugal fan (16) are fixedly connected with one end of an exhaust pipe (9), the other end of the exhaust pipe (9) is arranged at the top of an inner box body (8), and the box body (3) is rotatably connected with a box door (5) through a hinge (6).

3. The comprehensive low-voltage distribution box ventilation and heat dissipation structure of claim 1, characterized in that: one the exhaust window (4) and one the second filter plate (15) are a set, four sets are arranged on two sides of the outer box body (17), and the four sets on two sides of the outer box body (17) are symmetrical to the exhaust window (4) and the second filter plate (15).

4. The comprehensive low-voltage distribution box ventilation and heat dissipation structure of claim 1, characterized in that: leave the interval between outer box (17) and interior box (8), interior box (8) top forms left air flue along forming between interior box (8) right side outer wall and outer box (17) right side inner wall, interior box (8) top forms right air flue along interior box (8) left side outer wall and outer box (17) right side inner wall, the front side forms preceding intake duct between the interior box (17) of outer box (17) in the same reason, the rear side forms the back intake duct, left air flue, right air flue, preceding air flue, the mutual intercommunication of back air flue, form the complete square air flue of box (8) outer wall formation in the round edge.

5. The comprehensive low-voltage distribution box ventilation and heat dissipation structure of claim 1, characterized in that: and the outer walls of the front side and the rear side of the inner box body (8) are respectively provided with a second vent (14), and the positions of the second vents (14) on the outer wall of the inner box body (8) are symmetrical.

6. The comprehensive low-voltage distribution box ventilation and heat dissipation structure of claim 1, characterized in that: the first centrifugal fan (10) is arranged above the right side inside the air exhaust box (1), and the second centrifugal fan (16) is arranged below the left side inside the air exhaust box (1).