CN110896195B - A profile and a three-door power distribution cabinet body - Google Patents

Abstract

The invention relates to the technical field of power distribution cabinets, and in particular to a profile and a three-door power distribution cabinet body. The profile includes a first folding plate and a second folding plate. The first folding plate is bent into a right-angle folding plate, and the second folding plate Bend it into a W-shaped folding plate. The ends on both sides of the right-angled folding plate are bent inward to form hemming. The folding sections at both ends of the W-shaped folding plate fit with the two folding sections of the right-angled folding plate respectively, and the W-shaped folding plate Parts of the folded sections at both ends are located within the edges of the two ends of the first folded plate. The three-door power distribution cabinet body includes a rack. The rack includes four vertical columns. A top beam is fixed between adjacent columns. The cabinet Cabinet doors are installed on three sides of the cabinet, and the cabinet doors are hinged to the columns. A back panel is installed on the other side of the cabinet. The columns and/or top beams adopt the profiles mentioned above. The three-door power distribution cabinet of the present invention While ensuring that the protection level reaches IP55, it greatly improves the efficiency of installation and wiring of electrical components in the distribution cabinet and subsequent maintenance and repair.

Description

A profile and a three-door power distribution cabinet body

Technical field

The invention relates to the technical field of distribution cabinets, and in particular to a profile and a three-door distribution cabinet body.

Background technique

The distribution cabinet has a compact structure and many internal electrical components. In order to prevent dust in the air from entering the interior of the distribution cabinet and affecting the service life of the electrical components, domestic distribution cabinet manufacturers use 90% off profiles and adopt an external column structure to design the distribution cabinet. This kind of The protection level of the structural power distribution cabinet can reach IP55, but the power distribution cabinets using the 10-fold profile are all single-door. After the installation of the electrical components and wiring work inside the power distribution cabinet are completed, the left side of the power distribution cabinet, The right side and rear side are usually encapsulated with a back panel to prevent dust in the air from entering the power distribution cabinet. However, the internal space of single-door power distribution cabinets, especially single-door single-door power distribution cabinets, is limited, which is not conducive to the installation, wiring, and daily maintenance of electrical components in the power distribution cabinets.

Contents of the invention

In order to solve the problem in the existing technology that the single-door power distribution cabinet is not conducive to the installation, wiring and daily maintenance of electrical components in the power distribution cabinet, the present invention provides a profile, and uses this profile to produce a three-door maintenance using the power distribution cabinet. Distribution cabinet body.

The technical solutions adopted by the present invention to solve the technical problems are:

A profile, including a first folding plate and a second folding plate. The first folding plate is bent into a right-angle folding plate. The second folding plate is bent into a W-shaped folding plate. The right-angle folding plate The ends on both sides of the W-shaped folding plate are bent inward to form hemming. The folding sections at both ends of the W-shaped folding plate are respectively fit with the two folding sections of the right-angle folding plate, and a part of the folding sections at both ends of the W-shaped folding plate are located respectively. Within the wrapping at both ends of the first folding plate.

Furthermore, the bending angles of the W-shaped folding plates are all 90 degrees.

Furthermore, the edge-wrapped end of the right-angled folding plate is square-toothed or zigzag-shaped.

Furthermore, the two right-angled folding sections of the first folding plate are both provided with modular holes, and the modular holes include square holes and/or round holes arranged at intervals.

A three-door power distribution cabinet cabinet includes a rack. The rack includes four vertical columns. Top beams are fixed between adjacent columns. Cabinet doors are installed on three sides of the cabinet. The cabinet The door is hinged to the column at the corresponding position, and a back panel is installed on the other side of the cabinet. The column and/or top beam adopt the profile as mentioned above.

Furthermore, the cabinet door and the column are connected through a hinge. One end of the hinge is fixed on a certain fold section in the middle of the W-shaped folding plate, and the other end of the hinge is fixed on the cabinet door.

Furthermore, a polyurethane rubberized foam sealing strip is fixed on the cabinet door. When the cabinet door is in the closed state, the polyurethane rubberized foam sealing strip is pressed against the edge of the first folding plate at the corresponding position.

Further, side beams are fixed between adjacent columns, and the ends of the side beams cooperate with the module holes of the second folding plate.

Furthermore, the side beams, top beams and columns are all made of profiles as mentioned above.

Further, the upright columns and the roof beams on both sides are connected through tee joints.

Beneficial effects:

(1) The profile structure of the present invention can realize the installation of three-door doors;

(2) The edge of the edge of the right-angled folding plate of the profile of the present invention is square-toothed or zigzag-shaped. In this way, when a certain part of the edge of the right-angled folding plate is subjected to external force, it will only partially lift at the stressed place, and the maximum lifting The tooth-shaped root will not lift up as a whole, which improves the structural stability of the column or top beam;

(3) Both right-angle folding sections of the second folding plate have module holes to facilitate connection with other profiles.

(4) Although the existing power distribution cabinet can achieve IP55 protection level, due to the structural problems of the profile, it can only be designed with a single door. On the premise of ensuring the protection level IP55, the present invention can achieve three doors. The design of the three doors greatly improves the maintenance and repair efficiency of the distribution cabinet. The specific method of realizing the protection level IP55 of the present invention is: the edge of the profile can be pressed when the door is closed. Polyurethane glue-coated foam sealing strip to the door panel to form a seal.

Description of the drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Figure 1 is a cross-sectional shape diagram of the profile of the present invention;

Figure 2 is a perspective view of the profile of the present invention;

Figure 3 is a schematic diagram of the overall structure of the three-door power distribution cabinet;

Figure 4 is a top view of the three-door power distribution cabinet;

Figure 5 is a partial structural diagram of the three-door distribution cabinet;

Figure 6 is a three-dimensional view of the installation relationship between the left cabinet door and the column;

Figure 7 is a top view of the positional relationship of the left cabinet door in the open state;

Figure 8 is a top view of the positional relationship of the left cabinet door in a closed state;

Figure 9 is a structural diagram of the left cabinet door.

Among them, 1. Left door, 2. Front door, 3. Right door, 4. Back panel, 5. Hinge, 6. Column, 61. First folding plate, 62. Second folding plate, 7 Cross beam, 8 Longitudinal beam, 9 tee joint, 10. Side beam, 11 polyurethane rubberized foam sealing strip, 12 filter window, 13 fan installation hole.

Detailed ways

As shown in Figures 1 to 2, a profile includes a first folding plate 61 and a second folding plate 62. The first folding plate 61 is bent into a right-angle folding plate, and the second folding plate 62 is bent into a W-shaped folding plate. The ends on both sides of the board are bent inward to form hemming. The folding sections at both ends of the W-shaped folding plate are respectively fitted with the two folding sections of the right-angle folding plate, and part of the folding sections at both ends of the W-shaped folding plate are respectively located at the first Within the wrapping at both ends of a folding plate 61. The bending angle of W-shaped folding plates is 90 degrees. The end of the edge of the right-angle folding plate is square-toothed or zigzag-shaped. The two right-angled folding sections of the first folding plate 61 are each provided with modular holes. The modular holes include square holes and/or round holes arranged at intervals to facilitate connection with other profiles.

As shown in Figures 3 to 9, a three-door power distribution cabinet includes a rack. The rack includes four vertical columns 6. Top beams are fixed between adjacent columns 6. Three of the sides of the cabinet are installed. There is a cabinet door, which is hinged with the column 6 at the corresponding position. A back plate 4 is installed on the other side of the cabinet. The column 6 and/or the top beam adopt the profile as mentioned above. In the present invention, as shown in Figure 2, the four top beams correspond to two transverse beams 7 and two longitudinal beams 8 respectively. The three cabinet doors are left door 1, front door 2 and right door 3.

The cabinet door and the upright column 6 are connected by a hinge 5. One end of the hinge 5 is fixed on a certain fold section in the middle of the W-shaped folding plate, and the other end of the hinge 5 is fixed to the cabinet door.

As shown in Figure 5, the power distribution cabinet body also has a top plate. There are filter windows 12 on both the top plate and the cabinet door. The fan mounting holes 13 on the top plate are used to install the fan.

A polyurethane rubberized foam sealing strip 11 is fixed on the cabinet door. When the cabinet door is closed, the polyurethane rubberized foam sealing strip 11 is pressed against the edge of the first folding plate 61 at the corresponding position. As shown in Figures 5 to 9, the left cabinet door 1 is taken as an example to show the relationship between the cabinet door and the column 6.

Side beams 10 are fixed between adjacent columns 6 , and the ends of the side beams 10 cooperate with the module holes of the second folding plate 62 .

The side beams 10, top beams and columns 6 all adopt profiles as mentioned above. The upright column 6 and the roof beams on both sides are connected through tee joints 9.

Although the existing power distribution cabinet can achieve IP55 protection level, due to structural problems of the profile, it can only be designed with a single door. This patent innovatively designs the profile of the power distribution cabinet, and on this basis, a three-door single power distribution cabinet is designed. On the premise of ensuring the protection level IP55, the present invention can achieve three doors. The design of the three doors greatly improves the maintenance and repair efficiency of the distribution cabinet. The specific method of realizing the protection level IP55 of the present invention is: the edge of the profile can be pressed when the door is closed. Polyurethane glue-coated foam sealing strip to the door panel to form a seal.

It should be understood that the specific embodiments described above are only used to explain the present invention and are not intended to limit the present invention. Obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims (3)

1. The three-door power distribution cabinet body is characterized by comprising a frame, wherein the frame comprises four vertical upright posts (6), top beams are fixed between the adjacent upright posts (6), cabinet doors are arranged on three side surfaces of the cabinet body, the cabinet doors are hinged with the upright posts (6) at corresponding positions, a rear backboard (4) is arranged on the other side surface of the cabinet body, the upright posts (6) and/or the top beams are of a section bar structure, the section bar comprises a first folded plate (61) and a second folded plate (62), the first folded plate (61) is bent into a right-angle folded plate, the second folded plate (62) is bent into a W-shaped folded plate, two side end parts of the right-angle folded plate are inwards bent into a wrapping edge, folded sections at two ends of the W-shaped folded plate are respectively attached to two folded sections of the right-angle folded plate, part of the folded sections at two ends of the W-shaped folded plate is respectively located in wrapping edges at two ends of the first folded plate (61), the bent angles of the W-shaped folded plate are 90 degrees, the wrapping edge ends of the right-angle folded plate are square-shaped or zigzag, the first folded plate (61) is provided with two square-angle folded plates or square-shaped holes, and the two folded plates are provided with round holes or square holes;

the cabinet door is connected with the upright post (6) through a hinge (5), one end of the hinge (5) is fixed on one folding section in the middle of the W-shaped folded plate, and the other end of the hinge (5) is fixed with the cabinet door;

the cabinet door is fixedly provided with a polyurethane rubber-coated foaming sealing strip (11), and when the cabinet door is in a door closing state, the polyurethane rubber-coated foaming sealing strip (11) is tightly pressed with the edge of a first folded plate (61) at a corresponding position;

a side cross beam (10) is fixed between the adjacent upright posts (6), and the end part of the side cross beam (10) is matched with the modulus hole of the second folding plate (62).

2. The three-door power distribution cabinet according to claim 1, wherein: the side cross beams (10), the top beams and the upright posts (6) are all made of the section bars.

3. The three-door power distribution cabinet according to claim 1, wherein: the upright posts (6) are connected with the top beams at the two sides through tee joints (9).