CN218940365U - Dampproofing structure of building weak current case - Google Patents

Abstract

The utility model discloses a building weak current box dampproof structure, relates to the field of weak current boxes, and aims to solve the problem that in the prior art, water vapor is introduced into a radiating hole structure in the ventilation process, so that the water vapor enters the weak current box along with heat exchange air, and the normal operation of power equipment in the weak current box is affected. The two side surfaces of the weak current box body are penetrated and provided with side rectangular grooves, the side rectangular grooves are internally provided with fixing rings in an array, the fixing rings are connected with the weak current box body through dustproof filter screens, the two sides of the weak current box body are provided with dampproof ventilation components which comprise outer fixing plates, the inner side of each outer fixing plate is fixedly provided with fixing columns in an array, the fixed column corresponds with the fixed ring position, and the fixed column is along fixed ring sliding connection, dampproofing ventilation assembly still includes interior slip frame, and interior slip frame is located the installation space, be provided with first filter screen, second filter screen and hygroscopic layer in the interior slip frame, the hygroscopic layer is located between first filter screen and the second filter screen.

Description

A moisture-proof structure for building weak current boxes

technical field

The utility model relates to the related field of weak electric boxes, in particular to a moisture-proof structure for building weak electric boxes.

Background technique

Weak current box, as the name suggests, is a centralized box for weaker voltage lines. It can be used in modern home decoration, such as network cables, telephone cables, computer monitors, USB cables, TV VGA, color difference, antennas, etc.; used in industrial production or construction projects Various electrical equipment wiring can be placed in the box; the weak current box is mainly used to install these equipment and wire management.

Due to the energy loss of the internal equipment, it is converted into thermal energy overflow, so it is necessary to have heat dissipation holes, heat dissipation strips and other heat dissipation structures for heat dissipation; The bottom of the box door 2 is provided with several waist-shaped cooling holes 9, and the position corresponding to the cooling holes 9 is provided with an insect-proof net 10, and the insect-proof net 10 is bonded on the back side of the box door 2.

The above-mentioned patent documents represent the problems existing in some weak current boxes at present, that is, there is a cooling hole structure, and the cooling hole structure will introduce water vapor during the ventilation process, so that the water vapor enters the weak current box with the heat exchange air, affecting the power in the weak current box The device is working normally.

Utility model content

The purpose of this utility model is to provide a moisture-proof structure of the building weak current box to solve the problem that the cooling hole structure proposed in the above background technology will introduce water vapor during the ventilation process, so that the water vapor enters the weak current box with the heat exchange air and affects the inside of the weak current box. Problems with the proper functioning of electrical equipment.

In order to achieve the above purpose, the utility model provides the following technical solutions: a moisture-proof structure of a building weak current box, including a weak current box body, an installation space is arranged in the weak current box body, and a side rectangular opening is opened on both sides of the weak current box body. There are fixed rings arrayed in the side rectangular slots, and the fixed rings are connected to the weak current box body through a dustproof filter screen. Moisture-proof ventilation components are arranged on both sides of the weak current box body, and the moisture-proof ventilation components include The outer fixing plate, the inner side of the outer fixing plate is fixed with fixing columns, the fixing columns correspond to the positions of the fixing rings, and the fixing columns are slidably connected along the fixing rings, and the moisture-proof ventilation assembly also includes an inner sliding frame, which is located in the installation space Inside, the inner sliding frame is provided with a first filter screen, a second filter screen and a moisture-absorbing layer, the moisture-absorbing layer is located between the first filter screen and the second filter screen, and the front surface of the inner sliding frame is provided with a vertical section larger than the moisture-absorbing layer The outer side of the second filter screen is welded and fixed with a fixed plate at the corresponding position of the fixed column, and the inner end of the fixed column passes through the fixed column and is welded and fixed with the fixed plate.

Preferably, the upper end face and rear end of the weak current box body are equidistantly provided with an upper rectangular wire inlet slot, and the upper rectangular wire inlet slot runs through the weak current box body, and the front and rear ends of the upper rectangular wire inlet slot are provided with sealed doors. The airtight door includes a sliding plate body, the outer end of the sliding plate body slides and extends to the inside of the upper end surface of the weak current box, and the middle of the inner end of the upper end of the sliding plate body is integrally connected with a pull bar.

Preferably, a pressure spring is provided inside the upper end surface of the weak current box along the outer end of the sliding plate, and a magnet is embedded in the middle of the inner end of the sliding plate.

Preferably, a rotating rod is arranged in the middle of the upper and lower ends of the outer fixing plate, and the rotating rod and the outer fixing plate are connected in rotation through a rotating seat, and the rotating rod and the weak current box are fixed by fixing screws.

Preferably, there is a ventilation fixing hole in the middle of both sides of the upper end surface of the weak current box body, and a sealing fixing hole is opened in the middle of both sides of the upper end surface of the weak current box body along the inside of the ventilation fixing hole.

Preferably, a first silica gel frame is provided on both sides of the weak current box, and a second silica gel frame is provided on the inner side of the outer fixing plate corresponding to the first silica gel frame, and the size of the second silica gel frame is the same as that of the first silica gel frame. .

Preferably, a fixing handle is welded and fixed in the middle of the outer side of the outer fixing plate.

Compared with the prior art, the beneficial effects of the utility model are:

1. In this utility model, when both sides of the weak current box are exposed, the outside air passes through the space between the outer fixing plate and the weak current box to reach the position of the side rectangular slot. The dust is filtered, and then the outside air enters the installation space, and then passes through the first filter, the hygroscopic layer and the second filter. The hygroscopic layer absorbs moisture in the air, and finally the air takes away the heat of the internal power equipment and then flows out. It can dehumidify the circulating air and solve the problem that the cooling hole structure will introduce water vapor during the ventilation process, so that the water vapor will enter the weak current box with the heat exchange air, affecting the normal operation of the electric equipment in the weak current box. And the dust-proof filter screen on the side rectangular slot can match the building production environment, avoid a large amount of dust in the air from entering, and reduce the impact on internal power equipment.

2. In this utility model, the moisture-proof ventilation assembly is moved outward by the fixed handle. At this time, both sides of the weak current box are exposed, and the outside air passes through the space between the outer fixing plate and the weak current box to reach the side rectangular slot position. The dust-proof filter on the side rectangular slot filters the dust in the air, and then the outside air enters the installation space, and then passes through the first filter, the hygroscopic layer and the second filter, the hygroscopic layer absorbs the moisture in the air, and then the air takes it away The heat of the internal power equipment flows out; push the moisture-proof ventilation components to move inwards, and at this time, the outer fixing plate fits the two sides of the weak current box to block the rectangular slots on the side, so as to keep no large amount of air flow inside. Through the setting of the moisture-proof and ventilation components whose positions can be changed, the mutual conversion between the moisture absorption and heat dissipation work and the sealing and sealing work is realized, which reduces the daily loss of the moisture absorption layer and does not affect the ventilation and heat dissipation under working conditions.

3. In this utility model, remove the fixing screws, pull the moisture-proof ventilation assembly to move outward through the fixing handle, and then use the fixing screws to pass through the rotating rod and fix the ventilation fixing holes on the weak current box; remove the fixing screws and push the moisture-proof ventilation The components move inward, and then use the fixing screws to pass through the rotating rod and fix the sealing hole on the weak current box body. Through different fixing positions, the fixing of its own structure is realized when the work of moisture absorption and heat dissipation and the work of plugging and sealing are converted to each other.

4. In this utility model, when the upper rectangular wire slot does not enter the line, the inner sealing door moves to the middle under the action of the pressure spring, and each set of two pressure springs is fixed by magnets to prevent water vapor from entering; The airtight door inside the upper rectangular wire slot moves toward the middle under the action of the pressure spring, and is stuck on the outside of the wire to minimize the gap of the wire passing part; by adjusting the positions related to the wire inlet and outlet, it is avoided that a large amount of air is introduced into this position to cause internal damage. wet.

Description of drawings

Fig. 1 is the front view of the moisture-proof structure of a kind of building weak current box of the present utility model;

Fig. 2 is the three-dimensional structure schematic diagram of the weak electric box casing of the present utility model;

Fig. 3 is a three-dimensional structural schematic diagram of the moisture-proof ventilation assembly of the present invention after the moisture-absorbing layer is removed;

Fig. 4 is the enlarged view of structure at A place of the present utility model;

Fig. 5 is a three-dimensional structural schematic diagram of the airtight door of the present invention.

In the figure: 1. Weak current box body; 2. Installation space; 3. Side rectangular slot; 4. Dust-proof filter; 5. Fixing ring; 6. First silicone frame; 7. Ventilation fixing hole; 8. Sealing Fixing hole; 9. Moisture-proof ventilation component; 10. External fixing plate; 11. Fixing handle; 12. Fixing column; 13. Second silicone frame; 14. Inner sliding frame; 17. Second filter screen; 18. Hygroscopic layer; 19. Rotating seat; 20. Rotating rod; 21. Fixing screw; 22. Upper rectangular wire slot; 23. Sealed door; 24. Sliding plate body; 25. Pull bar ; 26, magnet; 27, pressure spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Figures 1-5, an embodiment provided by the utility model: a moisture-proof structure of a building weak current box, including a weak current box body 1, an installation space 2 is provided in the weak current box body 1, and the weak current box body 1 is two There is a side rectangular slot 3 through the side, and a fixed ring 5 is arrayed inside the side rectangular slot 3. The fixed ring 5 is connected to the weak current box body 1 through the dust-proof filter 4, and the dust-proof filter 4 can be brushed, so that the long-term In use, both sides of the weak current box body 1 are provided with a moisture-proof ventilation assembly 9, the moisture-proof ventilation assembly 9 includes an outer fixing plate 10, and a fixed handle 11 is welded and fixed in the middle of the outer side of the outer fixing plate 10, and the two sides of the weak current box body 1 are provided with a second A silica gel frame 6, a second silica gel frame 13 is arranged on the inner side of the outer fixing plate 10 corresponding to the first silica gel frame 6, and the size of the second silica gel frame 13 is the same as that of the first silica gel frame 6; the inner side of the outer fixing plate 10 is fixed with fixing columns 12. The position of the fixed column 12 corresponds to the fixed ring 5. The fixed column 12 is slidably connected along the fixed ring 5. The moisture-proof ventilation assembly 9 also includes an inner sliding frame 14, which is located in the installation space 2 and is set inside the inner sliding frame 14. There are a first filter screen 16, a second filter screen 17 and a moisture-absorbing layer 18. The moisture-absorbing layer 18 is mainly composed of outer air-permeable cloth and inner moisture-absorbing particles. The moisture-absorbing layer 18 is located between the first filter screen 16 and the second filter screen 17. The front surface of the inner sliding frame 14 is provided with a groove larger than the longitudinal cross-sectional size of the moisture-absorbing layer 18, and the moisture-absorbing layer 18 can be taken out from the groove for replacement, so as to avoid excessive water retention affecting the moisture absorption efficiency. A fixed plate 15 is fixed, and the inner end of the fixed column 12 passes through the fixed column 12 and is welded and fixed to the fixed plate 15 .

When in use, pull the moisture-proof ventilation assembly 9 to move outward through the fixed handle 11. At this time, both sides of the weak current box body 1 are exposed, and the outside air reaches the side rectangular slot 3 through the space between the outer fixing plate 10 and the weak current box body 1. Position, side rectangular slot 3 upper dust filter 4 to filter the dust in the air, then the outside air enters the installation space 2, and then passes through the first filter 16, hygroscopic layer 18 and second filter 17, hygroscopic layer 18 Adsorb the moisture in the air, and then the air will flow out after taking away the heat of the internal power equipment; push the moisture-proof ventilation assembly 9 to move inward, at this time, the outer fixing plate 10 fits the weak current box body 1 on both sides to block the rectangular slot 3 on the side, and keep There isn't a lot of air movement inside. Through the setting of the moisture-proof ventilation assembly 9 whose position can be changed, the mutual conversion between the work of moisture absorption and heat dissipation and the work of sealing and sealing is realized, which reduces the daily loss of the moisture absorption layer 18 and does not affect the ventilation and heat dissipation in the working state.

Further, a rotating rod 20 is arranged in the middle of the upper and lower ends of the outer fixing plate 10, and the rotating rod 20 and the outer fixing plate 10 are rotationally connected through the rotating seat 19, and the rotating rod 20 and the weak current box body 1 are fixed by fixing screws 21. The middle of both sides of the upper end surface of the weak current box body 1 is provided with a ventilation fixing hole 7, and the middle of both sides of the upper end surface of the weak current box body 1 is provided with a sealing fixing hole 8 along the inside of the ventilation fixing hole 7. Remove the fixing screw 21, pull the moisture-proof ventilation assembly 9 to move outward through the fixing handle 11, and then use the fixing screw 21 to pass through the rotating rod 20 and fix it with the ventilation fixing hole 7 on the weak current box body 1; remove the fixing screw 21, and push the moisture-proof The ventilation assembly 9 moves inwardly, and then uses the fixing screw 21 to pass through the rotating rod 20 and fix it with the sealing and fixing hole 8 on the weak current box body 1 . Through different fixing positions, the fixing of its own structure is realized when the work of moisture absorption and heat dissipation and the work of plugging and sealing are converted to each other.

Further, the upper end face and the rear end of the weak current box body 1 are equidistantly provided with upper rectangular wire inlet slots 22, the upper rectangular wire inlet slots 22 run through the weak current box body 1, and the front and rear ends of the upper rectangular wire inlet slots 22 are provided with hermetic doors 23 , the sealing door 23 includes a sliding plate body 24, the outer end of the sliding plate body 24 slides and extends to the inside of the upper end surface of the weak current box body 1, and the middle of the inner end of the upper end of the sliding plate body 24 is integrally connected with a pull bar 25, and the upper end of the weak current box body 1 A pressure spring 27 is arranged along the outer end of the sliding plate body 24 inside the end face, and a magnet 26 is embedded in the middle of the inner end of the sliding plate body 24 .

During use, the number of upper rectangular wire inlet slots 22 used is selected according to the line quantity of the access equipment. When one upper rectangular wire inlet slot 22 is enough for the line to pass through, the inner sealing door 23 of the other upper rectangular wire inlet slot 22 moves to the middle under the action of the pressure spring 27, and each group of two pressure springs 27 is magnetically fixed by the magnet 26 to avoid water vapor Enter; the upper rectangular wire inlet trough 22 in use normally passes through each connection line, and the airtight door 23 moves to the middle under the action of the pressure spring 27, and is stuck on the outside of the line to reduce the gap of the line passing part as much as possible; through the incoming line Adjust the position related to the outgoing line to avoid the introduction of a large amount of air at this position and cause internal humidity.

The upper incoming line is connected, the left and right sides are ventilated and dissipated; when the outer fixing plate 10 fits the weak current box body 1 on both sides to block the side rectangular slot 3, there is no air flow, and at this time, the internal air and external air pass through the position of the incoming and outgoing lines The flow rate of the gap circulation is small; when ventilation and heat dissipation, the air entering the gap at the position of the inlet and outlet lines will be driven to flow out from the rectangular slot 3 on one side.

Working principle: When the weak current box needs to be in use. Remove the fixing screw 21, pull the moisture-proof ventilation assembly 9 to move outward through the fixing handle 11, and then use the fixing screw 21 to pass through the rotating rod 20 and fix the ventilation fixing hole 7 on the weak current box body 1; at this time, the weak current box body 1 is two The side is exposed, and the outside air reaches the position of the side rectangular slot 3 through the space between the outer fixing plate 10 and the weak current box body 1. The dust filter 4 on the side rectangular slot 3 filters the dust in the air, and then the outside air enters In the installation space 2, through the first filter screen 16, the hygroscopic layer 18 and the second filter screen 17, the hygroscopic layer 18 absorbs moisture in the air, and then the air flows out after taking away the heat of the internal electric equipment.

When each power equipment in the weak current box is to suspend work during engineering production. Remove the fixing screw 21, push the moisture-proof ventilation assembly 9 to move inward, and then use the fixing screw 21 to pass through the rotating rod 20 and fix it with the sealing fixing hole 8 on the weak current box body 1; at this time, the outer fixing plate 10 fits the weak current box body 1 Both sides block the side rectangular slot 3 to keep the inside without a large amount of air flow and reduce the daily loss of the moisture-absorbing layer 18.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A building weak current box moisture-proof structure, comprising a weak current box body (1), an installation space (2) is arranged in the weak current box body (1), it is characterized in that: the two sides of the weak current box body (1) There is a side rectangular slot (3) running through it, and a fixed ring (5) is arrayed in the side rectangular slot (3), and the fixed ring (5) and the weak current box body (1) pass through the dustproof filter ( 4) connection, moisture-proof ventilation components (9) are provided on both sides of the weak current box body (1), and the moisture-proof ventilation components (9) include an external fixing plate (10), and the inner side of the external fixing plate (10) is arrayed A fixed column (12) is fixed, and the fixed column (12) corresponds to the position of the fixed ring (5), and the fixed column (12) is slidably connected along the fixed ring (5), and the moisture-proof ventilation assembly (9) also includes an inner sliding frame (14), the inner sliding frame (14) is located in the installation space (2), and the first filter screen (16), the second filter screen (17) and the hygroscopic layer (18) are arranged in the inner sliding frame (14) , the hygroscopic layer (18) is located between the first filter screen (16) and the second filter screen (17), and the front surface of the inner sliding frame (14) is provided with a groove larger than the longitudinal section size of the hygroscopic layer (18). Two filter screens (17) outer sides are welded and fixed with fixed disc (15) with fixed post (12) corresponding position, and the inner end of fixed post (12) passes fixed post (12) and fixed disc (15) is welded and fixed. 2. The moisture-proof structure of a building weak current box according to claim 1, characterized in that: the upper end surface of the weak current box body (1) is equidistantly provided with an upper rectangular wire slot (22), and the upper rectangular The wire trough (22) runs through the weak current box body (1), and the front and rear ends of the upper rectangular wire inlet trough (22) are provided with airtight doors (23), and the airtight door (23) includes a sliding plate body (24) , the outer end of the sliding plate body (24) slides and extends to the inside of the upper end surface of the weak current box body (1), and the middle of the inner end of the upper end of the sliding plate body (24) is integrally connected with a pull bar (25). 3. The moisture-proof structure of a building weak current box according to claim 2, characterized in that: the inside of the upper end surface of the weak current box body (1) is provided with a pressure spring (27) along the outer end of the sliding plate (24), A magnet (26) is embedded in the middle of the inner end of the sliding plate body (24). 4. The moisture-proof structure of a building weak current box according to claim 1, characterized in that: a rotating rod (20) is arranged in the middle of the upper and lower ends of the outer fixing plate (10), and the rotating rod (20) is connected to the outer The fixed plate (10) is rotatably connected by a rotating seat (19), and the rotating rod (20) is fixed with the weak current box body (1) by a fixing screw (21). 5. The moisture-proof structure of a building weak current box according to claim 4, characterized in that: ventilation fixing holes (7) are opened in the middle of the two sides of the upper end surface of the weak current box body (1), and the weak current box box A sealing fixing hole (8) is opened in the middle of both sides of the upper end surface of the body (1) along the inner side of the ventilation fixing hole (7). 6. The moisture-proof structure of a building weak current box according to claim 1, characterized in that: first silica gel frames (6) are arranged on both sides of the weak current box body (1), and the outer fixing plate (10 ) is provided with a second silica gel frame (13) at a position corresponding to the first silica gel frame (6), and the size of the second silica gel frame (13) is the same as that of the first silica gel frame (6). 7. The moisture-proof structure of a building weak current box according to claim 1, characterized in that a fixed handle (11) is welded and fixed in the middle of the outer side of the outer fixing plate (10).

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