CN111181035A

CN111181035A - Foldable safe low-voltage distribution box

Info

Publication number: CN111181035A
Application number: CN202010108429.8A
Authority: CN
Inventors: 徐传斌; 毕银波; 盛荣金; 王华龙; 张建; 陈利; 尚美荣; 孟硕; 边金龙; 任杰
Original assignee: State Grid Corp of China SGCC; Laiwu Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Laiwu Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-05-19
Anticipated expiration: 2040-02-21
Also published as: CN111181035B

Abstract

The invention relates to the technical field of low-voltage distribution boxes, and discloses a foldable safe low-voltage distribution box which comprises a fixed main board, wherein the left side of the fixed main board is connected with a left side board through a hinge, the right side of the fixed main board is connected with a right side board through a hinge, the right side of the left side board is connected with a movable door with a handle through a hinge, the fixed main board, the left side board and the right side board are respectively connected with a box base through bolts, a top board is hinged with the top of the fixed main board through a hinge, a heat dissipation fan is installed on the inner side surface of the top board, and a plurality of ventilation holes are formed in the top board. Stable in structure is reliable, and concatenation seam crossing is equipped with waterproof sealing strip, and waterproof security is high.

Description

Foldable safe low-voltage distribution box

Technical Field

The invention relates to the technical field of low-voltage distribution boxes, in particular to a foldable safe low-voltage distribution box.

Background

The distribution box generally forms a low-voltage forest according to electrical wiring, and the low-voltage distribution box is formed by assembling switching equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal box or on a screen. Use of the electrical distribution box: the electric energy is reasonably distributed, and the opening and closing operation of the circuit is convenient. The safety protection level is higher, and the conduction state of the circuit can be visually displayed.

Traditional low voltage distribution box adopts panel, section bar equipment to form, causes the block terminal outer tube quality impaired because of the collision easily in whole transportation because of bulky, consequently transports, hoist and mount and require highly, if adopt the mode of the on-the-spot equipment of dispersion part transportation, part is in large quantity, and on-the-spot installation effectiveness underground, and easy because of the leakage part influences the equipment progress.

Therefore, the invention is necessary to provide a foldable safe low-voltage distribution box.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a foldable safe low-voltage distribution box which adopts a foldable structure design, has the advantages of small occupied volume and convenience in transportation and assembly, and solves the problems of damaged appearance and low assembly efficiency caused by transportation in the technical background.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a foldable safe low-voltage distribution box comprises a left side plate, a right side plate, a movable door, a top plate, a plurality of ventilation holes, a triangular plate and a box cover, wherein the left side of a fixed main plate is connected with the left side plate through a hinge, the right side of the right side plate is connected with the right side plate through a hinge, the movable door with a handle is connected to the right side of the left side plate through a hinge, the fixed main plate, the left side plate and the right side plate are respectively connected with a box base bolt, the top plate is hinged to the top of the fixed main plate through a hinge, a heat dissipation fan is installed on the inner side surface of the top plate, the top plate is provided with a plurality; the box top rigid coupling has the dash board of a ridge shape, the bottom half opening is pegged graft in the block terminal upper end outside, and the opening lower extreme respectively via a plurality of connecting strips with fixed mainboard, left side board, right side board connect and form an airtight cavity, install a sealed pad on the activity door inside face, install a plurality of air guide cover on the bottom half, the air guide cover lower extreme is equipped with an air guide hole, the fixed mainboard medial surface left and right sides rigid coupling respectively has a butt joint bent plate, right side board, left side inboard rigid coupling respectively have a butt joint bent plate, two of adjacent position it has a sealing strip to peg graft on the connector of butt joint bent plate tip.

Preferably, the upper end of the box base is small, the lower end of the box base is large, the upper end of the box base extends into the distribution box, and the peripheral edges of the upper end of the box base are fixedly connected with a sealing ring respectively.

Preferably, the left side and the right side of the top plate are respectively and fixedly connected with an inserting pin, and the triangular plate is provided with a through hole matched with the inserting pin.

Preferably, the bottom of the box base is a fixed base with a C-shaped cross section.

Preferably, the air guide hood is made of a plastic material, and the height of the top opening is lower than that of the top plate.

Preferably, a drying box is installed at the vent hole.

Preferably, the shape of the air guide cover is a bell mouth shape, and the bell mouth faces to the horizontal ground.

Compared with the prior art, the invention provides a foldable safe low-voltage distribution box, which has the following beneficial effects:

1. the left side plate, the right side plate and the top plate of the foldable safe low-voltage distribution box designed by the invention are respectively hinged with the fixed main plate, the left side plate, the right side plate and the top plate can be unfolded into a whole plate in a transportation process, the whole occupied volume is small, and compared with the traditional integral transportation mode of the low-voltage distribution box, the foldable safe low-voltage distribution box has the characteristics of convenience in transportation and packaging and high transportation and installation performance.

2. The foldable safe low-voltage distribution box has a structure formed by splicing plates, is high in overall assembly efficiency, is supported and connected at the bottom by the box base, is connected at the top by the top plate and the ventilated integrated box cap, is stable and reliable in structure, and is high in waterproof safety as the waterproof sealing strips are arranged at the splicing seams.

3. The left, right and rear faces of the upper end of the foldable safe low-voltage distribution box are provided with the air guide covers with downward openings, the air guide covers are in a horn-mouth shape, air is extruded to be released from small holes at the tops when entering the air guide covers, the air temperature is reduced, the heat dissipation speed is accelerated on the basis of ventilation cooling, and the purpose of prolonging the service life of internal electronic components is achieved.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a bottom view of the present invention;

3 FIG. 3 4 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3 in 3 accordance 3 with 3 the 3 present 3 invention 3; 3

FIG. 5 is a sectional view of the structure of FIG. 1B-B according to the present invention;

FIG. 6 is a view of the fixed motherboard of FIG. 4 according to the present invention;

FIG. 7 is an overall three-dimensional block diagram of the present invention;

FIG. 8 is a three-dimensional block diagram of the present invention of FIG. 7 with the side panels of the container cap removed.

Wherein: 1. a box cap; 2. a top plate; 3. a vent hole; 4. a connecting strip; 5. a left side plate; 6. a movable door; 7. a box base; 8. a right side plate; 9. fixing the main board; 10. a heat dissipation fan; 11. a gas guide hood; 12. a box body; 13. a flashing; 14. a gasket; 15. an air vent; 16. butting bent plates; 17. a plug-in connector; 18. a hinge; 19. a sealing strip; 20. a triangular plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a foldable safe low-voltage distribution box comprises a fixed main board 9, a left side board 5 connected to the left side of the fixed main board through a hinge 18, a right side board 8 connected to the right side of the fixed main board through a hinge 18, a movable door 6 with a handle connected to the right side of the left side board 5 through a hinge 18, a fixed main board 9, the left side board 5 and the right side board 8 are respectively connected to a box base 7 through bolts, a top board 2 is hinged to the top of the fixed main board 9 through a hinge 18, a heat dissipation fan 10 is installed on the inner side surface of the top board 2, a plurality of ventilation holes 3 are formed in the top board 2, a triangular board 20 is fixedly connected to the outer sides of the tops of the left side board 5; the top of the box body 12 is fixedly connected with a ridge-shaped rain shielding plate 13, the bottom of the box body 12 is provided with an opening which is inserted outside the upper end of the distribution box, the lower end of the opening is respectively connected with the fixed main plate 9, the left side plate 5 and the right side plate 8 through a plurality of connecting strips 4 to form a closed cavity, the inner side surface of the movable door 6 is provided with a sealing gasket 14, the bottom of the box body 12 is provided with a plurality of air guide covers 11, the lower end of each air guide cover 11 is provided with an air guide hole 15, the upper end of the box seat 7 is small and large, the upper end extends into the distribution box, the peripheral edge of the upper end is respectively fixedly connected with a sealing ring, the box seat 7 adopts the structure, the connection is firm and reliable, the left side and the right side of the top plate 2 are respectively fixedly connected with an inserting pin, the triangular plate 20 is provided with a through hole matched with the inserting pin, the left, the sealing strip 19 is inserted on the plug-in connector 17 at the end part of the two butt-jointed bent plates 16 at the adjacent positions, which can avoid water inflow at the splicing gap, the waterproof sealing performance is strong, the sealing element adopts a plug-in type structure and is easy to connect and install, the top plate 2 is used for connecting the left side plate 5, the right side plate 8 and the fixed main plate 9, the connecting structure is simple, economical and convenient, the bottom of the box base 7 is a fixed base with a C-shaped section, on one hand, the bottom of the low-voltage distribution box is favorable for ventilation and heat dissipation, on the other hand, the influence on the normal operation of electronic elements in the low-voltage distribution box due to ground humidity can be avoided, the air guide cover 11 is made of plastic materials, the height of the top opening is lower than that of the top plate 2, the entry of the upper end opening of the air guide cover 11 onto the top plate 2 is avoided, the damp-proof, keep the incasement dry, air guide cover 11 shapes are horn mouth shape and horn mouth towards level ground, one can avoid the entering of rainwater, air guide cover 11 is located the box upper end, can play damp-proofing effect, and air guide cover is the horn mouth shape, receives the extrusion when air admission air guide cover and releases at top aperture, arouses air temperature to reduce, accelerates the radiating rate on ventilation cooling's basis, reaches the purpose of extension inside electronic components's life.

During assembly, the left side plate 5, the right side plate 8 and the top plate 2 are respectively connected and fixed with the fixed main plate 9 through hinges 18, then the lower ends of the fixed main plate 9, the left side plate 5 and the right side plate 8 are respectively corresponding to three sides of the upper stepped surface of the box base 7 through bolts, a waterproof sealing ring is arranged on the matching surface of the box base 7 or waterproof sealant is coated, the purpose of sealing and waterproofing is achieved, then a sealing strip 19 is utilized to connect two butt-joint bent plates 16 at the butt-joint corner positions of the left side plate 5 and the fixed main plate 9 and two butt-joint bent plates 16 at the butt-joint corner positions of the right side plate 8 and the fixed main plate 9, the purpose of improving the waterproof performance of a sealing and splicing gap is achieved, the splicing pins at the left side and the right side of the top plate 2 are respectively inserted into through holes in triangular plates 20 of the left side plate 5 and the right side plate 8, the connection structure is simple, labor, Left side board 5, right side board 8 are connected and are formed an airtight cavity, and whole waterproof performance is strong, and inside the air can enter into low voltage distribution box via opening air guide cover 11 down, when utilizing the air current cooling, inside air current flow can be accelerateed to inside heat dissipation fan 10, and the cooling is effectual, whole long service life.

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. A foldable safe low-voltage distribution box comprises a box cap (1), a top plate (2), a vent hole (3), a connecting strip (4), a left side plate (5), a movable door (6), a box seat (7), a right side plate (8), a fixed main plate (9), a heat dissipation fan (10), an air guide cover (11), a box body (12), a rain shielding plate (13), a sealing gasket (14), an air guide hole (15), a butt-joint bent plate (16), a plug-in connector (17), a hinge (18), a sealing strip (19) and a triangular plate (20); the left side of a fixed main board (9) is connected with a left side board (5) through a hinge (18), the right side of the fixed main board (9) is connected with a right side board (8) through the hinge (18), the right side of the left side board (5) is connected with a movable door (6) with a handle through the hinge (18), the fixed main board (9), the left side board (5) and the right side board (8) are respectively connected with a box base (7) through bolts, a top plate (2) is hinged with the top of the fixed main board (9) through the hinge (18), a heat dissipation fan (10) is installed on the inner side surface of the top plate (2), a plurality of ventilation holes (3) are formed in the top plate (2), a triangular plate (20) is fixedly connected to the outer sides of the tops of the left side board (5) and the right side board (8) respectively, and the box cap (; a ridge-shaped rain shield (13) is fixedly connected to the top of the box body (12), an opening at the bottom of the box body (12) is inserted and connected to the outer side of the upper end of the distribution box, the lower end of the opening is respectively connected with the fixed main board (9), the left side board (5) and the right side board (8) through a plurality of connecting strips (4) to form a closed cavity, a sealing gasket (14) is arranged on the inner side surface of the movable door (6), a plurality of air guide covers (11) are arranged on the bottom of the box body (12), the lower end of the air guide cover (11) is provided with an air guide hole (15), the left side and the right side of the inner side surface of the fixed main board (9) are respectively and fixedly connected with a butt-joint bent board (16), the inner sides of the right side plate (8) and the left side plate (5) are respectively and fixedly connected with a butt-joint bent plate (16), and a sealing strip (19) is inserted on a plug-in connector (17) at the end part of the two butt-joint bent plates (16) at the adjacent positions.

2. A foldable safety low-voltage distribution box according to claim 1, characterized in that: the upper end of the box base (7) is small, the lower end of the box base is large, the upper end of the box base extends into the distribution box, and the peripheral edges of the upper end of the box base are fixedly connected with a sealing ring respectively.

3. A foldable safety low-voltage distribution box according to claim 1, characterized in that: the left side and the right side of the top plate (2) are respectively and fixedly connected with an inserting pin, and a through hole matched with the inserting pin is formed in the triangular plate (20).

4. A foldable safety low-voltage distribution box according to claim 1 or 2, characterized in that: the bottom of the box seat (7) is a fixed seat with a C-shaped section.

5. A foldable safety low-voltage distribution box according to claim 1, characterized in that: the air guide hood (11) is made of plastic materials, and the height of an opening at the top of the air guide hood is lower than that of the top plate (2).

6. A foldable safety low-voltage distribution box according to claim 1, characterized in that: a drying box is arranged at the position of the vent hole (3).

7. A foldable safety low-voltage distribution box according to claim 1 or 5, characterized in that: the shape of the air guide cover (11) is horn mouth shape, and the horn mouth faces to the horizontal ground.