CN211655406U - A dust-proof distribution box - Google Patents

Abstract

The utility model relates to a dustproof distribution box, which comprises a frame which is vertically arranged and is provided with openings at the front side and the rear side, wherein the frame consists of a top plate, a bottom plate and two side plates; a negative pressure fan is arranged on the dustproof distribution box, vent holes are formed in the two side plates, an upper slide rail and a lower slide rail are horizontally arranged on the inner side walls of the side plates, the upper slide rail is positioned above the vent holes, and the lower slide rail is positioned below the vent holes; the filter screen is arranged between the upper sliding rail and the lower sliding rail in a sliding mode along the direction from the front plate to the back plate, the upper blocking plate is vertically and upwards arranged at one end, away from the corresponding side plate, of the upper sliding rail, and the lower blocking plate is vertically and downwards arranged at one end, away from the corresponding side plate, of the lower sliding rail. The utility model discloses the effect that improves staff work efficiency has.

Description

A dust-proof distribution box

technical field

The utility model relates to the technical field of distribution boxes, in particular to a dust-proof distribution box.

Background technique

Distribution box is a kind of electrical equipment, which has the advantages of small size, easy installation, special technical performance, fixed location, unique configuration function, no site restrictions, common application, stable and reliable operation, high space utilization, and small footprint. Features. There are various components in the distribution box through the brackets. The components themselves will generate a lot of heat in the process of long-term operation. Therefore, the distribution box is equipped with ventilation holes, but the ventilation holes will enter the heat dissipation at the same time. Dust, the accumulation of dust may cause components to malfunction or cause damage to components during use.

The Chinese patent with the existing authorization announcement number CN204088963U discloses a dust-proof power distribution box, which includes a box body, a box door hinged with the box body, and a box door detection device. The box door detection device includes a spring switch and a The delay relay and the alarm are electrically connected to the spring switch and the alarm respectively; the side wall of the box is composed of an inner wall and an outer wall, there is a gap between the inner wall and the outer wall, and a dust-proof stainless steel mesh cover is arranged on the inner wall. The outer wall is provided with several strip-shaped ventilation holes for heat dissipation, the lower part of the outer wall is provided with an air outlet, and the air outlet is provided with a fan. The components in the dust-proof distribution box are set on the brackets in the box. When the dust in the outside air enters the gap between the outer wall and the inner wall through the strip-shaped ventilation holes, the fan can extract it, and the stainless steel mesh cover can further prevent the entry. The air in the distribution box is filtered and dustproof.

The above-mentioned prior art scheme has the following defects: the stainless steel mesh cover of the above-mentioned dust-proof power distribution box is arranged on the inner wall, which makes its cleaning and replacement inconvenient, thereby increasing the workload of the staff when cleaning and replacing the stainless steel mesh cover. The difficulty of the work reduces the work efficiency of the staff.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a dust-proof distribution box, which has the advantage of improving the work efficiency of the staff.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A dust-proof power distribution box includes a frame vertically arranged with openings on both front and rear sides, the frame is composed of a top plate, a bottom plate and two side plates, the front side of the frame is provided with a front plate, and the rear of the frame is provided with a front plate. A back plate is arranged on the side, and the back plate is hinged with the frame; a negative pressure fan is arranged on the dust-proof distribution box, ventilation holes are arranged on both of the side plates, and the inner side walls of the side plates are horizontal An upper slide rail and a lower slide rail are provided, the upper slide rail is located above the ventilation hole, and the lower slide rail is located below the ventilation hole; the upper slide rail and the lower slide rail slide along the direction from the front panel to the back panel A filter screen is provided, an upper blocking plate is vertically upwardly arranged at one end of the upper slide rail away from the corresponding side plate, and a lower blocking plate is vertically downwardly arranged at one end of the lower rail away from the corresponding side plate.

By adopting the above technical solution, the filter mesh is slidably arranged between the upper slide rail and the lower slide rail, and the back plate is hinged to the frame, so that the filter mesh can be taken out and inserted by opening the back plate for replacement, and the convenient replacement of the filter mesh will make the The work efficiency of the staff is improved, and the upper blocking plate arranged on the upper sliding rail and the lower blocking plate arranged on the lower rail can limit the filter screen and prevent the filter screen from falling. After the negative pressure fan is installed, the gas in the distribution box can be discharged out of the distribution box, thereby accelerating the gas exchange rate inside and outside the distribution box and improving the heat dissipation rate of the distribution box.

In a preferred example of the present invention, it can be further configured that: the lower rail is provided with a dust leakage hole, the dust leakage hole extends to the side of the lower rail close to the inner wall of the corresponding side plate, the dust leakage hole A dust-proof groove with an open top is arranged at the lower part of the dust-proof groove corresponding to the dust-leakage hole, and the notch of the dust-proof groove is correspondingly arranged with the dust-leakage hole.

By adopting the above technical solution, part of the dust filtered by the filter screen will fall, and this part of the falling dust will fall into the dustproof groove from the dust leakage hole, and the dustproof groove will collect the dust, thereby preventing the dust from falling to the distribution box. On the internal components, it reduces the extra workload of the staff to clean this part of the dust, thereby improving the work efficiency of the staff.

In a preferred example of the present invention, a receiving plate is horizontally arranged below the dustproof groove, one end of the receiving plate is connected to the inner side wall of the side plate, and the dustproof groove is arranged on the receiving plate The side plate is provided with a push-pull groove through the plate surface, the push-pull groove is used for the dust-proof groove to enter and exit the dust-proof distribution box, and the side wall of the push-pull groove close to the bottom plate is flush with the top of the receiving plate.

By adopting the above technical solution, after the push-pull groove and the receiving plate are installed, the dust-proof groove can enter and exit the power distribution box through the push-pull groove, so that it is convenient for the staff to take out the dust-proof groove to clean up the dust in the dust-proof groove, and further improve the safety of the staff. work efficiency.

In a preferred example of the present invention, a rubber sheet is provided on the outer edge of the outer side wall of the dust-proof groove close to one side of the corresponding push-pull groove, and one end of the rubber sheet is connected to the outer side wall of the side plate. offset.

By adopting the above technical solution, the rubber sheet can seal the dust-proof groove after being installed, so as to prevent external dust from entering the distribution box through the gap between the dust-proof groove and the side plate.

In a preferred example of the present invention, it can be further configured that: a handle is provided on the outer side wall of the side of the dust-proof groove close to the push-pull groove.

By adopting the above technical solution, after the handle is set, it is possible to facilitate the taking of the dustproof groove.

In a preferred example of the present invention, it can be further configured that: the length of the receiving plate along the direction from one side plate to the other side plate is greater than or equal to the length of the dustproof groove along the direction from one side plate to the other side plate A blocking block is vertically arranged at one end of the receiving plate away from the push-pull groove.

By adopting the above technical solution, the position of the dustproof groove can be limited after the blocking block is installed, so as to prevent the dustproof groove from falling off when the dustproof groove is placed on the receiving plate.

In a preferred example of the present invention, it can be further configured that: a suspended matter sedimentation layer for precipitating suspended matter is arranged on the inner wall of the dust-proof tank.

By adopting the above technical solution, since the dust falling into the dustproof tank after being filtered by the filter net is relatively small, the suspended matter sedimentation layer can absorb these fine dusts to a certain extent, which is convenient for dust collection.

In a preferred example of the present invention, it can be further configured that: the front side of the front plate of the dust-proof distribution box is provided with a dust-proof plate, and the dust-proof plate is hinged to the frame.

By adopting the above technical solution, the dustproof plate can prevent dust from entering the distribution box through the gap of the front plate.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. Through the setting of the upper slide rail, the lower rail, the filter screen, the upper barrier plate, the lower barrier plate and the negative pressure fan, the filter screen slidingly arranged between the upper slide rail and the lower rail can be replaced, which improves the staff. work efficiency;

2. Through the setting of dust leakage holes, dustproof grooves, receiving plates, push-pull grooves and handles, the dustproof grooves can accommodate the dust filtered by the filter screen, and the dustproof grooves can be taken out and placed in the push-pull grooves, which is convenient for The dust in the dust-proof groove is cleaned, which further improves the work efficiency of the staff.

Description of drawings

1 is a schematic diagram of the overall structure of a dust-proof distribution box shown in an embodiment;

Fig. 2 is a sectional view of a dust-proof distribution box shown in the embodiment;

Fig. 3 is a partial exploded view of a dust-proof distribution box shown in the embodiment.

In the figure, 11, top plate; 111, negative pressure fan; 12, bottom plate; 13, side plate; 131, ventilation hole; 134, upper baffle plate; 135, lower baffle plate; 136, push-pull groove; 14, front plate; 141 , dustproof plate; 15, back plate; 16, upper slide rail; 17, lower rail; 171, dust leakage hole; 172, dustproof groove; 173, receiving plate; 174, blocking block; 175, suspended matter sedimentation layer; 176, rubber sheet; 177, handle; 18, filter.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is a dust-proof power distribution box disclosed by the utility model, including a frame vertically arranged with openings on both sides of the front and rear, the frame includes a top plate 11, a bottom plate 12 and two side plates 13, and the front side is provided with a frame. There is a front plate 14, a back plate 15 is arranged on the rear side, the back plate 15 is hinged with the frame, a dust-proof plate 141 is arranged on the front side of the front plate 14, the dust-proof plate 141 is hinged with the frame, and both side plates 13 are provided with With reference to FIG. 3 , the upper slide rail 16 and the lower rail 17 are horizontally disposed on the inner side wall of the side plate 13 . One end of the upper slide rail 16 away from the inner side wall of the side plate 13 is provided with an upper blocking plate 134 vertically downward. One end of the wall is provided with a lower blocking plate 135 vertically upward, and the lengths of the lower blocking plate 135 and the lower rail 17 in the horizontal direction are equal. A filter mesh 18 is slidably arranged between the upper slide rail 16 and the lower slide rail 17 . After the back panel 15 is opened, the filter mesh 18 can be taken out and inserted. The top panel 11 is provided with a negative pressure fan 111 .

Referring to FIG. 2 , the lower rail 17 is provided with a dust leakage hole 171 , and the dust leakage hole 171 extends to the side of the lower rail 17 close to the inner wall of the side plate 13 . With reference to FIG. 1 , the dust leakage hole 171 extends along the front plate 14 to the back plate 15 The length in the direction is greater than or equal to the length of the ventilation hole 131 in the direction from the front plate 14 to the back plate 15, and the length of the dust leakage hole 171 in the direction from the front plate 14 to the back plate 15 is smaller than the length of the filter screen 18 in the direction from the front plate 14 to the back plate 15 length in direction. A dust-proof groove 172 with an open top end is provided below the dust-leakage hole 171 corresponding to the dust-leakage hole 171 , and the notch of the dust-proof groove 172 is provided corresponding to the dust-leakage hole 171 .

3 , a receiving plate 173 is arranged horizontally below the dustproof groove 172 , one end of the receiving plate 173 is connected to the inner side wall of the side plate 13 , and the length of the receiving plate 173 along the direction from one side plate 13 to the other side plate 13 is equal to The length of the dust-proof groove 172 along the direction from one side plate 13 to the other side plate 13, with reference to FIG. The lengths in the direction of the plate 15 are equal, and the dust-proof grooves 172 are provided on the receiving plate 173 . A blocking block 174 is vertically disposed at one end of the receiving plate 173 away from the dust-proof groove 172. The blocking block 174 and the receiving plate 173 have the same length in the direction from the front plate 14 to the back plate 15. The blocking block 174 extends from the front plate 14 to the back plate. Both ends in the direction 15 extend toward the inner side wall of the side plate 13 and are connected to the inner side wall of the side plate 13 . The top of the blocking block 174 is flush with the top of the dust-proof groove 172 , and the top of the blocking block 174 is abutted against the bottom of the lower rail 17 . A push-pull groove 136 is formed on the side plate 13 through the plate surface. The push-pull groove 136 is used for the dust-proof groove 172 to enter and exit the dust-proof distribution box.

3, the inner wall of the dust-proof groove 172 is provided with a suspended matter sedimentation layer 175 for sedimentation of suspended matter, and concretely, the suspended matter sedimentation layer 175 is a transparent tape, and the transparent tape is not provided with a layer of adhesive and a dust-proof layer. The inner wall of the groove 172 is in close contact. A rubber sheet 176 is provided on the outer edge of the outer side wall of the dust-proof groove 172 near the push-pull groove 136 . A handle 177 is provided on the outer side wall of the side of the dust-proof groove 172 close to the push-pull groove 136 .

The implementation principle of the above-mentioned embodiment is:

In the initial state, the filter screen 18 is located between the upper slide rail 16 and the lower slide rail 17 and covers the ventilation hole 131, and the negative pressure fan 111 is activated. At this time, the negative pressure fan 111 draws the overheated air in the distribution box to the outside of the distribution box, and the outside air will enter the ventilation hole 131 and enter the distribution box through the filter screen 18 . When the outside air passes through the filter screen 18, the dust will be filtered by the filter screen 18, and some of the dust will also fall from the filter screen 18 to the dust-proof groove 172 and be settled by the suspended matter sedimentation layer 175 on the inner wall of the dust-proof groove 172.

When the dust in the dust-proof groove 172 needs to be cleaned, the handle 177 can be pulled to take out the dust-proof groove 172 and replace it with a new suspended matter sedimentation layer 175 , and then put the dust-proof groove 172 back on the receiving plate 173 . When the filter screen 18 needs to be replaced or cleaned, the back plate 15 can be opened, the filter screen 18 can be taken out from between the upper slide rail 16 and the lower rail 17 for replacement or cleaning, and then the replaced or cleaned filter screen 18 can be inserted into the upper slide rail. between rail 16 and lower rail 17 .

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. A dust-proof power distribution box, comprising a frame vertically arranged with openings on both front and rear sides, the frame is composed of a top plate (11), a bottom plate (12) and two side plates (13), the front of the frame is A front plate (14) is arranged on the side, a back plate (15) is arranged on the rear side of the frame, and the back plate (15) is hinged to the frame; a negative pressure fan (111) is arranged on the dust-proof distribution box , characterized in that: two side plates (13) are provided with ventilation holes (131), and the inner side walls of the side plates (13) are horizontally provided with upper slide rails (16) and lower slide rails (17) , the upper sliding rail (16) is located above the ventilation hole (131), and the lower sliding rail (17) is located below the ventilation hole (131); between the upper sliding rail (16) and the lower rail (17) A filter screen (18) is slidably arranged along the direction from the front plate (14) to the back plate (15), and an upper blocking plate ( 134), a lower blocking plate (135) is disposed vertically downward at one end of the lower rail (17) away from the corresponding side plate (13). 2. The dust-proof power distribution box according to claim 1, characterized in that: the lower rail (17) is provided with a dust leakage hole (171), and the dust leakage hole (171) extends to the lower rail (17) On the side close to the inner wall of the corresponding side plate (13), a dust-proof groove (172) with an open top is provided below the dust-leakage hole (171) corresponding to the dust-leakage hole (171). The notch of the dust groove (172) is arranged corresponding to the dust leakage hole (171). 3. A dust-proof distribution box according to claim 2, characterized in that a receiving plate (173) is horizontally arranged below the dust-proof groove (172), and one end of the receiving plate (173) is connected to The inner wall of the side plate (13) is connected, and the dust-proof groove (172) is arranged on the receiving plate (173); the side plate (13) is provided with a push-pull groove (136) through its plate surface, and the push-pull groove (136) is provided on the side plate (13). The groove (136) is used for the dustproof groove (172) to enter and exit the dustproof distribution box, and the side wall of the push-pull groove (136) close to the bottom plate (12) is flush with the top of the receiving plate (173). 4. The dust-proof distribution box according to claim 3, wherein a rubber sheet is provided on the outer edge of the outer side wall of the dust-proof groove (172) close to the side of the corresponding push-pull groove (136). (176), one end of the rubber sheet (176) abuts against the outer side wall of the side plate (13). 5. The dust-proof distribution box according to claim 3, wherein a handle (177) is provided on the outer side wall of the side of the dust-proof groove (172) close to the push-pull groove (136). 6. A dust-proof distribution box according to claim 3, characterized in that: the length of the receiving plate (173) along the direction from one side plate (13) to the other side plate (13) is greater than or equal to The length of the dust-proof groove (172) along the direction from one side plate (13) to the other side plate (13), the end of the receiving plate (173) away from the push-pull groove (136) is vertically provided with a blocking block (174) . 7. A dust-proof distribution box according to claim 2, characterized in that: a suspended solids sedimentation layer (175) for precipitating suspended solids is provided on the inner wall of the dustproof groove (172). 8. A dust-proof distribution box according to claim 2, characterized in that: a dust-proof plate (141) is provided on the front side of the front plate (14) of the dust-proof distribution box, and the dust-proof distribution box is The plate (141) is hinged to the frame.

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