CN214280572U

CN214280572U - Low-voltage electric box capable of preventing rainwater leakage

Info

Publication number: CN214280572U
Application number: CN202120360395.1U
Authority: CN
Inventors: 黄松杰; 蔡泽钿; 辛晓杰
Original assignee: Guangdong Bai Lin Electrical Equipment Factory Co ltd
Current assignee: Guangdong Bai Lin Electrical Equipment Factory Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-09-24
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a low-voltage electric box for preventing rainwater leakage, which at least comprises a box body and a heat dissipation assembly, wherein the heat dissipation assembly comprises a third installation body, a first installation body, a filtering cotton, a second installation body, a sealing ring and a waterproof structural part, the third installation body is provided with a first installation part and a second installation part, the first installation part is provided with a shutter, the input end of the waterproof structural part is provided with a second ventilation hole, the second installation part is also provided with a rotating device, an elastic limiting device for limiting the rotating device and an adsorption device for fixing the rotating device, the rotating device has a first state and a second state, the box body is basically waterproof and dustproof by arranging the heat dissipation assembly, meanwhile, the second installation part is improved, the rotating device with two state trends is arranged, impurities such as rainwater and the like can be effectively prevented from entering the box body through the ventilation hole due to the backward flow of strong wind, and further damage the corresponding components.

Description

Low-voltage electric box capable of preventing rainwater leakage

Technical Field

The utility model relates to a block terminal technical field, in particular to low-voltage electric box of rain-proof water seepage.

Background

In order to reduce the life shortening of each component caused by the heat dissipation problem in the distribution box, some devices in the related art adopt heat dissipation fans and other devices capable of dissipating heat to perform forced convection heat dissipation, heat dissipation fin radiation heat dissipation, heat dissipation of heat dissipation pipes, water cooling heat dissipation and the like, but for low-voltage distribution boxes used outdoors, the risk of rainwater leakage at ventilation openings can be generated, and impurities such as rainwater and the like can enter the box body through the ventilation openings due to the backflow of strong wind, so that the corresponding components are damaged.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a low-voltage electric box capable of preventing rainwater leakage, which overcomes the problems or at least partially solves the problems.

In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:

a low-voltage electric box capable of preventing rainwater leakage comprises a box body, wherein the box body is enclosed into an inner cavity for containing components, a heat dissipation channel communicated with the inner cavity is arranged on the side wall of the box body, a heat dissipation assembly is arranged in the heat dissipation channel through an installation part and used for sending heat in the box body into the outer part of the box body through the inner cavity, the heat dissipation assembly comprises a third installation body, a first installation body, a second installation body ring and a waterproof structural part which are sequentially arranged from the outer part of the box body to the inner part of the box body, the third installation body, the first installation body, the second installation body and the waterproof structural part are all provided with rotation center lines identical to the heat dissipation channel, cavities which are sequentially communicated are respectively formed in the third installation body, the first installation body, the second installation body and the waterproof structural part, and the cavities are communicated with the inner cavity and the outer part of the box body, the third installation body is provided with a first installation part and a second installation part which are sequentially connected along the direction from the outside of the box body to the inside of the box body, the output end of the first installation part is provided with a shutter, the input end of the first installation part is connected with the output end of the second installation part, the input end of the second installation part is connected with the output end of the first installation body, the input end of the first installation body is connected with the output end of the second installation body, the input end of the second installation body is connected with the output end of the waterproof structure, the input end of the waterproof structure is provided with a second ventilation hole, and the second ventilation hole is communicated with the inner cavity and the outside of the box body;

wherein the cross-sectional area of the second mounting portion is larger than that of the first mounting portion along the direction from the outside of the box body to the inside of the box body, the section area of the second mounting part is gradually increased, the second mounting part is also provided with a rotating device, an elastic limiting device for limiting the rotating device and an adsorption device for fixing the rotating device, the rotating means having a first state with motive fluid entering from outside the shutter to inside the shutter and a second state, the second state is free of motive fluid entering the louver from outside the louver to inside the louver, in the first state, the rotating device has a tendency to leave the suction device and close the cavity, and in the second state, the rotating device is connected with the suction device.

Further, the rotating device comprises a first rotating plate and a second rotating plate which are symmetrically arranged by taking the rotation center line as a center, the first rotating plate and the second rotating plate are symmetrically and rotatably arranged on the side wall of the second installation part respectively, the inner end of the first rotating plate and the inner end of the second rotating plate have the trend of opposite or opposite movement so as to close the cavity in the first state or open the cavity in the second state, the outer end of the first rotating plate and the outer end of the second rotating plate extend out of the second installation part respectively, and the outer side of the second installation part is further provided with a first suction part and a first limiting part corresponding to the outer end of the first rotating plate, and a second suction part and a second limiting part corresponding to the outer end of the second rotating plate respectively; in the first state, the outer end of the first rotating plate has a tendency of leaving the first suction part, the outer end of the second rotating plate has a tendency of leaving the second suction part, the inner end of the first rotating plate and the inner end of the second rotating plate have a relative movement tendency so as to realize a tendency of closing the cavity, the first limiting part limits the outer end of the first rotating plate reaching a certain tendency, the second limiting part limits the outer end of the second rotating plate reaching a certain tendency, in the second state, the outer end of the first rotating plate is connected with the first suction part, and the outer end of the second rotating plate is connected with the second suction part.

Furthermore, a first thread section is arranged at the outer end of the first rotating plate, a first adjusting block used for adjusting the rotating angle of the first rotating plate is adjustably arranged on the first thread section, a second thread section is arranged at the outer end of the second rotating plate, and a second adjusting block used for adjusting the rotating angle of the second rotating plate is adjustably arranged on the second thread section.

Furthermore, the second installation department is close to serve the center of rotation line is provided with first ventilation passageway and second ventilation passageway as central symmetry on the one end of first installation department, first ventilation passageway with second ventilation passageway communicates respectively the cavity, first ventilation passageway's exit end with the exit end of second ventilation passageway articulates respectively and is provided with the apron.

Furthermore, the input end of the first installation body is clamped with filter cotton.

Furthermore, a sealing ring is arranged between the second installation part and the waterproof structural part.

Furthermore, the waterproof structural member is a box-shaped structure with an opening at one end, a second flange is arranged outwards on the periphery of the opening end, and the end face of the second flange is connected with the sealing ring.

Furthermore, the lower edge of the second vent hole is provided with a baffle which is inclined upwards outwards, and the included angle between the baffle and the vertical surface is less than or equal to 30 degrees.

Furthermore, the second mounting body is of a box-shaped structure with an opening at one end, a first flange is arranged outwards at the periphery of the opening end, the step surface on the inner side of the first flange is fixedly connected with the side surface of the input end of the first mounting body, and a plurality of first ventilation openings are formed in the bottom wall of the box at the other end.

The utility model discloses a technological effect and advantage:

the low-voltage electric box for preventing rainwater leakage comprises at least a box body and a heat dissipation assembly, wherein the heat dissipation assembly comprises a third installation body, a first installation body, a filter cotton, a second installation body, a sealing ring and a waterproof structural part, the third installation body is provided with a first installation part and a second installation part, a shutter is arranged on the first installation part, a second ventilation hole is arranged on the input end of the waterproof structural part, a rotating device, an elastic limiting device used for limiting the rotating device and an adsorption device used for fixing the rotating device are also arranged on the second installation part, the rotating device is provided with a first state and a second state, the box body is basically waterproof and dustproof through the arrangement of the heat dissipation assembly, meanwhile, the second installation part is improved, the rotating device with two state trends is arranged, impurities such as rainwater and the like can be effectively prevented from entering the box body through the ventilation hole due to the backflow of strong wind, and further damage the corresponding components.

The construction of the present application and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic partial structural view of a low-voltage electric box for preventing rainwater leakage according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional structure diagram of the heat dissipation assembly 3 in the embodiment of the present application.

In the figure:

the air conditioner comprises a box body 1, a mounting piece 2, a heat dissipation assembly 3, a first mounting body 01, a filter sponge 02, a second mounting body 03, a first flange 031, a first air vent 032, a sealing ring 04, a waterproof structural member 05, a second flange 051, a second air vent 053, a baffle 054, a louver 10, a first mounting portion 21, a second mounting portion 22, a first rotating plate 311, a first adjusting block 312, a second rotating plate 321, a second adjusting block 322, a first ventilation channel 41, a second ventilation channel 42, a first limiting portion 51, a first limiting piece 511, a first limiting piece 512, a second limiting piece 52, a second limiting piece 521, a second limiting piece 522, a first suction piece 61 and a second suction piece 62.

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.

Furthermore, it should be noted that in the description of the embodiments of the present application, the terms of direction or positional relationship indicated by the terms "inside", "outside", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the embodiments of the present application.

Furthermore, it should be noted that, in the description of the embodiments of the present application, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the examples of the present application can be understood by those skilled in the art as appropriate.

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

In order to reduce the reduction of the service life of each component caused by the heat dissipation problem in the distribution box, some devices in the related art adopt heat dissipation fans and other devices capable of dissipating heat to perform forced convection heat dissipation, radiating fin radiation heat dissipation, radiating pipe heat dissipation, water cooling heat dissipation and the like. Application number is 201822085451.6's chinese utility model patent document discloses an energy storage battery box device is used at family with waterproof dustproof ventilation cooling function, including the battery box, its characterized in that the battery box left and right both sides all are equipped with a plurality of waterproof dustproof ventilation cooling assembly, the window has been seted up in waterproof dustproof ventilation cooling assembly department on the battery box left and right lateral wall to be equipped with the mounting box in the inboard of window, waterproof dustproof ventilation cooling assembly includes the shutter, filters continuously, installation body, sealing washer, waterproof structure, shutter, filtration continuously, installation body, mounting box, sealing washer, waterproof structure be fixed connection in proper order. Through being equipped with a plurality of waterproof dustproof ventilation cooling module on the lateral wall, waterproof dustproof ventilation cooling module adopts shutter and a plurality of vent ventilation cooling, adopts to filter continuously dustproof, adopts shutter plate and waterproof structure waterproof, makes this battery device both can ventilate and can be waterproof, dustproof, has guaranteed the safety of battery box, has improved the quality of battery. However, for the low-voltage electric box used outdoors, when the risk of rainwater leakage at the ventilation opening is generated, impurities such as rainwater and the like enter the box body through the ventilation opening due to backflow of strong wind, and then the corresponding components are damaged.

Therefore, the low-voltage electric box capable of preventing rainwater leakage is improved on the basis of the prior art, and the problem is solved.

As shown in fig. 1 to 2, the low-voltage electric box for preventing rainwater leakage provided by the embodiment of the present application includes a box body 1, the box body 1 encloses an inner cavity for accommodating components, a heat dissipation channel communicated with the inner cavity is arranged on a side wall of the box body 1, a heat dissipation assembly 3 is arranged in the heat dissipation channel through an installation part 2, the heat dissipation assembly 3 is used for sending heat in the box body 1 into the outside of the box body 1 through the inner cavity, the heat dissipation assembly 3 includes a third installation body, a first installation body 01, a second installation body 03 ring and a waterproof structural part 05 which are sequentially arranged along the direction from the outside of the box body 1 to the inside of the box body 1, the third installation body, the first installation body 01, the second installation body 03 and the waterproof structural part 05 all have the same rotation center line as the heat dissipation channel, and the third installation body, the first installation body 01, the second installation body 03 and the, The cavity that communicates in proper order is formed with respectively in first installation body 01, the second installation body 03 and the waterproof structure 05, the cavity communicates the inner chamber with the box 1 is outside, the third installation body has along the box 1 outside to first installation department 21 and the second installation department 22 that connect gradually in the box 1 inside direction, be provided with shutter 10 on the output of first installation department 21, the input of first installation department 21 is connected the output of second installation department 22, the input of second installation department 22 is connected the output of first installation body 01, the input of first installation body 01 is connected the output of second installation body 03, the input of second installation body 03 is connected the output of waterproof structure 05, be provided with second ventilation hole 053 on the input of waterproof structure 05, the second ventilation hole 053 is communicated with the inner cavity and the outside of the box body 1;

wherein, along the direction from the outer part of the box body 1 to the inner part of the box body 1, the section area of the second installation part 22 is larger than that of the first installation part 21, the cross-sectional area of the second mounting part 22 is gradually increased, the second mounting part 22 is also provided with a rotating device, an elastic limiting device for limiting the rotating device and an adsorption device for fixing the rotating device, said rotating means having a first state with motive fluid entering from outside said shutter 10 to inside said shutter 10 and a second state, the second state is free of motive fluid entering the inside of the shutter 10 from the outside of the shutter 10, in the first state, the rotating device has a tendency to leave the suction device and close the cavity, and in the second state, the rotating device is connected with the suction device.

In the above technical solution, in order to conveniently show the structure of the box body 1, in fig. 1, the wall plate on one side of the box body 1 is omitted, and meanwhile, for some basic structural components, the structure which can realize related functions in some prior arts such as the aforementioned chinese utility model patent document with application number 201822085451.6 can be adopted. On this basis, can all be equipped with a plurality of radiator unit 3 at this box 1 left and right both sides face, radiator unit 3 adopts shutter 10 and a plurality of vent ventilation heat dissipation. On the basis of the shutter 10, because the first installation part 21 and the second installation part 22 are arranged, and the cross section change characteristics of the first installation part 21 and the second installation part 22 are combined, a rotating device is installed to realize the backflow prevention phenomenon. Specifically, when the wind flows backward and gets into inside the box 1 from the shutter 10, the wind flows backward can firstly promote the rotating device to rotate, the rotating device leaves the adsorption device and rotates, the closing is realized, meanwhile, the elastic limiting device can limit the rotating device, when the wind flows backward and stops, the rotating device rotates backward under the action of the elastic limiting device, the adsorption device adsorbs the rotating device, in the implementation mode, the rotating device can be set to be a magnetic material, and the adsorption between the adsorption device and the rotating device is realized.

In practical implementation, the rotating device comprises a first rotating plate 311 and a second rotating plate 321 which are symmetrically arranged by taking the revolution center line as a center, the first rotating plate 311 and the second rotating plate 321 are symmetrically and rotatably disposed on the sidewall of the second mounting portion 22, the inner end of the first rotating plate 311 and the inner end of the second rotating plate 321 have a tendency to move towards or away from each other, to effect closure of the cavity in the first state or opening of the cavity in the second state, the outer ends of the first rotating plate 311 and the second rotating plate 321 extend out of the second mounting portion 22, a first suction piece 61 and a first limit part 51 corresponding to the outer end of the first rotating plate 311, and a second suction piece 62 and a second limit part 52 corresponding to the outer end of the second rotating plate 321 are respectively arranged on the outer side of the second mounting part 22; in the first state, the outer end of the first rotating plate 311 tends to move away from the first suction member 61, the outer end of the second rotating plate 321 tends to move away from the second suction member 62, the inner end of the first rotating plate 311 and the inner end of the second rotating plate 321 have a relative movement tendency to close the cavity, the first limiting portion 51 limits the outer end of the first rotating plate 311 reaching a certain tendency, the second limiting portion 52 limits the outer end of the second rotating plate 321 reaching a certain tendency, in the second state, the outer end of the first rotating plate 311 is connected with the first suction member 61, and the outer end of the second rotating plate 321 is connected with the second suction member 62.

In the above technical solution, the first limiting portion 51 includes a first limiting member 511 disposed outside the second mounting portion 22 and a first limiting member 512 disposed at an end of the first limiting member 511, the first limiting member 512 is elastically connected to the first limiting member 511 through a spring, the second limiting portion 52 includes a second limiting member 521 disposed outside the second mounting portion 22 and the first limiting member 512 disposed at an end of the second limiting member 521, and the second limiting member 522 is elastically connected to the second limiting member 521 through a spring, that is, when there is no flowing backward, the first limiting member can better rebound to an initial adsorbed state under the action of an elastic force.

In specific implementation, a first thread section is arranged at the outer end of the first rotating plate 311, a first adjusting block 312 for adjusting the rotation angle of the first rotating plate 311 is adjustably arranged on the first thread section, a second thread section is arranged at the outer end of the second rotating plate 321, and a second adjusting block 322 for adjusting the rotation angle of the second rotating plate 321 is adjustably arranged on the second thread section. In this embodiment, the adjustable adjusting block is provided, so that the user can adjust the sensitivity of the rotating device according to the requirements of the electric element.

During specific implementation, the second installation portion 22 is close to on one end of the first installation portion 21 with the gyration central line is provided with first ventilation passageway 41 and second ventilation passageway 42 as central symmetry, first ventilation passageway 41 with the second ventilation passageway 42 communicates respectively the cavity, the exit end of first ventilation passageway 41 with the exit end of second ventilation passageway 42 articulates respectively and is provided with the apron. The first ventilation channel 41 and the second ventilation channel 42 are provided to allow pressure relief when strong wind flows backward.

During specific implementation, the input joint of first installation body 01 is provided with the filtration cotton, adopts to filter cotton 02 and can reach dirt-proof effect.

In specific implementation, a sealing ring 04 is arranged between the second mounting portion 22 and the waterproof structural member 05.

When the waterproof structure is specifically implemented, the waterproof structure 05 is of a box-shaped structure with an opening at one end, a second flange 051 is arranged on the periphery of the opening end outwards, and the end face of the second flange 051 is connected with the sealing ring 04.

During specific implementation, the lower edge of the second ventilation hole 053 is provided with a baffle 054 which inclines upwards outwards, the included angle between the baffle 054 and the vertical surface is less than or equal to 30 degrees, and the water in the waterproof structural member 05 can be improved to enter the box body 1.

During specific implementation, the second mounting body 03 is a box-shaped structure with an open end, and the open end is provided with a first flange 031 outwards at the periphery, the inner side step surface of the first flange 031 is fixedly connected with the side surface of the input end of the first mounting body 01, and the bottom wall of the box at the other end is provided with a plurality of first ventilation openings 032.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a low-voltage electric box of rain-proof water seepage which characterized in that: the box body is enclosed into an inner cavity for containing components, a heat dissipation channel communicated with the inner cavity is arranged on the side wall of the box body, a heat dissipation assembly is arranged in the heat dissipation channel through an installation part and used for sending heat in the box body into the outer part of the box body through the inner cavity, the heat dissipation assembly comprises a third installation body, a first installation body, a second installation body and a waterproof structural part which are sequentially arranged from the outer part of the box body to the inner direction of the box body, the third installation body, the first installation body, the second installation body and the waterproof structural part are all provided with a rotation center line which is the same as that of the heat dissipation channel, cavities which are sequentially communicated are respectively formed in the third installation body, the first installation body, the second installation body and the waterproof structural part, and the cavities are communicated with the outer part of the box body, the third installation body is provided with a first installation part and a second installation part which are sequentially connected along the direction from the outside of the box body to the inside of the box body, the output end of the first installation part is provided with a shutter, the input end of the first installation part is connected with the output end of the second installation part, the input end of the second installation part is connected with the output end of the first installation body, the input end of the first installation body is connected with the output end of the second installation body, the input end of the second installation body is connected with the output end of the waterproof structure, the input end of the waterproof structure is provided with a second ventilation hole, and the second ventilation hole is communicated with the inner cavity and the outside of the box body;

2. The low-voltage electric box capable of preventing rainwater leakage according to claim 1, characterized in that: the rotating device comprises a first rotating plate and a second rotating plate which are symmetrically arranged by taking the rotation center line as a center, the first rotating plate and the second rotating plate are symmetrically and rotatably arranged on the side wall of the second installation part respectively, the inner end of the first rotating plate and the inner end of the second rotating plate have the trend of opposite or opposite movement so as to close the cavity in the first state or open the cavity in the second state, the outer end of the first rotating plate and the outer end of the second rotating plate extend out of the second installation part respectively, and the outer side of the second installation part is further provided with a first absorbing part and a first limiting part corresponding to the outer end of the first rotating plate, and a second absorbing part and a second limiting part corresponding to the outer end of the second rotating plate respectively;

in the first state, the outer end of the first rotating plate has a tendency of leaving the first suction part, the outer end of the second rotating plate has a tendency of leaving the second suction part, the inner end of the first rotating plate and the inner end of the second rotating plate have a relative movement tendency so as to realize a tendency of closing the cavity, the first limiting part limits the outer end of the first rotating plate reaching a certain tendency, the second limiting part limits the outer end of the second rotating plate reaching a certain tendency, in the second state, the outer end of the first rotating plate is connected with the first suction part, and the outer end of the second rotating plate is connected with the second suction part.

3. The low-voltage electric box capable of preventing rainwater leakage according to claim 2, characterized in that: the outer end of the first rotating plate is provided with a first thread section, the first thread section is adjustably provided with a first adjusting block used for adjusting the rotating angle of the first rotating plate, the outer end of the second rotating plate is provided with a second thread section, and the second thread section is adjustably provided with a second adjusting block used for adjusting the rotating angle of the second rotating plate.

4. The low-voltage electric box capable of preventing rainwater leakage according to claim 2, characterized in that: the second installation department is close to serve at one of first installation department with gyration central line is provided with first ventilation passageway and second ventilation passageway for central symmetry, first ventilation passageway with second ventilation passageway communicates respectively the cavity, the exit end of first ventilation passageway with the exit end of second ventilation passageway articulates respectively and is provided with the apron.

5. The low-voltage electric box for preventing the leakage of rainwater according to any one of claims 1 to 4, characterized in that: the input joint of first installation body is provided with the filter pulp.

6. The low-voltage electric box for preventing the leakage of rainwater according to any one of claims 1 to 4, characterized in that: the second installation department with be provided with the sealing washer between the waterproof structure spare.

7. The low-voltage electric box capable of preventing rainwater leakage according to claim 6, characterized in that: the waterproof structure is a box-shaped structure with an opening at one end, a second flange is arranged on the periphery of the opening end outwards, and the end face of the second flange is connected with the sealing ring.

8. The low-voltage electric box for preventing the leakage of rainwater according to any one of claims 1 to 4, characterized in that: and the lower edge of the second vent hole is provided with a baffle which is inclined outwards and upwards, and the included angle between the baffle and the vertical surface is less than or equal to 30 degrees.

9. The low-voltage electric box for preventing the leakage of rainwater according to any one of claims 1 to 4, characterized in that: the second mounting body is of a box-shaped structure with an opening at one end, a first flange is arranged outwards at the periphery of the opening end, the step surface on the inner side of the first flange is fixedly connected with the side surface of the input end of the first mounting body, and a plurality of first ventilation openings are formed in the bottom wall of the box at the other end.