A switchgear of modular design

Abstract

The utility model relates to a modular design's switch cabinet, including bottom plate, cross frame, electrical module, top plate, door plant and U shaped side plate, a plurality of U shaped side plates form the enclosure with the opening in front side in proper order up and down splicing, the bottom part of enclosure is installed on the bottom plate, the top part of enclosure is installed with the top plate, the door plant is assembled in the side department of enclosure, is used for the enclosure front side opening to block, the mounting frame of telescopic adjustment is installed on the bottom plate, a plurality of cross frames are installed on the mounting frame, and the electrical module is installed on the cross frame. The utility model discloses through the modular assembly of U shaped side plate and forms the enclosure, can according to the installation number of electrical module, through the increase and decrease U shaped side plate, to change the size of enclosure, and the mounting frame can be telescopic adjustment, synchronous adaptation the size change of enclosure, so that the cabinet body is formed by the flexible assembly of multiple modules, satisfies the individualized demand of different use scene, and, the modular assembly mode, also is convenient for the extension upgrade of later period.

Description

Technical Field

[0001] This utility model relates to the field of switch cabinet technology, specifically a modularly designed switch cabinet. Background Technology

[0002] Switchgear is a core piece of equipment in a power system used for controlling, protecting, and distributing electrical energy. By integrating circuit breakers, protection devices, and instrument transformers, it enables circuit switching control, fault protection, real-time monitoring, and multi-circuit power distribution management. It is divided into two main categories: high voltage and low voltage, and structurally, it can be classified as fixed or withdrawable. It is widely used in industrial, power, and civil building sectors, and proper selection and maintenance ensure the safe and stable operation of the power system.

[0003] Existing switch cabinets are mostly standardized prefabricated products, allowing selection of fixed-size cabinets based solely on the number of pre-set electrical components. This lack of modular and flexible assembly results in low space utilization, difficulty in meeting the personalized needs of different application scenarios, and poor adaptability. Furthermore, adding new functions or electrical components requires replacing the cabinet, making expansion and upgrades difficult. Utility Model Content

[0004] The purpose of this invention is to provide a modularly designed switch cabinet that effectively solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution.

[0006] A modular switch cabinet includes a base plate, crossbeams, electrical modules, a top plate, a door panel, and U-shaped side panels. Several U-shaped side panels are sequentially spliced ​​up and down to form a enclosure with an opening on the front. The bottom of the enclosure is mounted on the base plate, and the top plate is mounted on the top of the enclosure. The door panel is assembled on the side of the enclosure to seal the opening on the front of the enclosure. An adjustable mounting bracket is mounted on the base plate, and several crossbeams are mounted on the mounting bracket. The electrical modules are mounted on the crossbeams.

[0007] Furthermore, the mounting frame consists of a first upright, a second upright, and fastening screws. The two first uprights are detachably mounted on the base plate, and each of the two first uprights is equipped with a second upright that can slide vertically. The cross-sections of the first upright and the second upright are both U-shaped and compatible with each other. The fastening screws are located on the side of the first upright and near the top, and the ends of the fastening screws abut against the side of the second upright.

[0008] Furthermore, the first and second uprights are each evenly distributed with screw holes, and the crossbar is installed on the first or second upright by screwing the screws on it into the screw holes.

[0009] Furthermore, each U-shaped side plate has a hole evenly distributed on its bottom end face, and each U-shaped side plate has a positioning rod evenly distributed on its top end face that can be matched and inserted into the hole.

[0010] Furthermore, each side of the U-shaped side plate is provided with two semi-circular threaded rods. When the two U-shaped side plates are assembled, the semi-circular threaded rods on the upper and lower U-shaped side plates are combined into a threaded rod as a whole. The threaded rod as a whole is fitted with a fastening nut for fastening.

[0011] Furthermore, the uppermost U-shaped side plate is fixed with mounting feet B, and the top plate is fastened to mounting feet B by bolts. The lowermost U-shaped side plate is fixed with mounting feet A, and mounting feet A are fastened to the bottom plate by bolts.

[0012] Furthermore, both sides of the U-shaped side panel are equipped with heat dissipation vents, and each vent is fitted with a dustproof mesh.

[0013] Furthermore, the door panel is available in multiple models, and each U-shaped side panel is equipped with a hinge, which is detachably connected to the door panel by screws.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows.

[0015] This utility model uses U-shaped side panels to modularly assemble a fence. The size of the fence can be changed by adding or removing U-shaped side panels according to the number of electrical modules installed. At the same time, the mounting frame can be extended and adjusted to adapt to the size changes of the fence. This allows the cabinet to be flexibly assembled from multiple modules to meet the personalized needs of different usage scenarios. In addition, the modular assembly method also facilitates future expansion and upgrades.

[0016] After the upper and lower U-shaped side plates are assembled, the semi-circular threaded rods on the upper and lower U-shaped side plates are joined together to form a threaded rod as a whole. The fastening nut is screwed onto the threaded rod with matching thread to fasten the upper and lower U-shaped side plates into one piece. At least one fastening point can fix the upper and lower U-shaped side plates. This fastening method has a simple structure and is convenient to disassemble and assemble. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0018] Figure 2 A schematic diagram of the internal structure of the switch cabinet provided by this utility model;

[0019] Figure 3 This is a schematic diagram of the enclosure structure in this utility model;

[0020] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0021] Figure 5 for Figure 3Enlarged schematic diagram of the structure at point B;

[0022] Figure 6 This is a schematic diagram of the electrical module installation in this utility model.

[0023] In the diagram: 1. Base plate; 101. Mounting foot A; 11. Top plate; 111. Mounting foot B; 12. Door panel; 2. U-shaped side panel; 21. Vent; 22. Hinge; 3. Enclosure; 4. Mounting bracket; 41. First upright; 42. Second upright; 43. Fastening screw; 5. Horizontal frame; 6. Electrical module; 7. Positioning rod; 71. Insertion hole; 8. Semi-circular threaded rod; 81. Fastening nut. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of this utility model, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0026] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0027] Please see Figures 1-6The present invention provides a modular switch cabinet, including a base plate 1, crossbeams 5, electrical modules 6, a top plate 11, a door panel 12, and U-shaped side panels 2. Several U-shaped side panels 2 are sequentially spliced ​​up and down to form a enclosure 3 with an opening on the front. The bottom of the enclosure 3 is installed on the base plate 1, and the top plate 11 is installed on the top of the enclosure 3. The door panel 12 is assembled on the side of the enclosure 3 to block the opening on the front of the enclosure 3. An adjustable mounting frame 4 is installed on the base plate 1, and several crossbeams 5 are installed on the mounting frame 4. The electrical modules 6 are installed on the crossbeams 5.

[0028] When assembling this switchgear, firstly, the mounting frame 4 is extended and adjusted according to the number of electrical modules 6 to be installed. Then, the horizontal frame 5 is installed on the mounting frame 4. Subsequently, the electrical modules 6 are installed on the horizontal frame 5 accordingly.

[0029] Then, assemble the corresponding number of U-shaped side panels 2 one after another to form the whole enclosure 3, and install the bottom of the enclosure 3 on the base plate 1, and then install the door panel 12 on the top of the enclosure 3 to form the cabinet.

[0030] Finally, install the door panel 12 on the side of the enclosure 3 to complete the assembly of the entire switch cabinet.

[0031] The enclosure 3 is modularly assembled from U-shaped side panels 2. The size of the enclosure 3 can be changed by adding or removing U-shaped side panels 2 according to the number of electrical modules 6 to be installed. At the same time, the mounting frame 4 can be telescopically adjusted to adapt to the size changes of the enclosure 3. This allows the cabinet to be flexibly assembled from multiple modules to meet the personalized needs of different usage scenarios. In addition, the modular assembly method also facilitates future expansion and upgrades.

[0032] Specifically, the mounting frame 4 consists of a first upright 41, a second upright 42, and a fastening screw 43. The two first uprights 41 are detachably mounted on the base plate 1. Each of the two first uprights 41 is equipped with a second upright 42 that can slide vertically. The cross-sections of the first uprights 41 and the second uprights 42 are U-shaped and mutually compatible. The fastening screw 43 is located on the side of the first upright 41 and near the top. The end of the fastening screw 43 abuts against the side of the second upright 42.

[0033] The second support frame 42, which has a U-shaped cross-section, is slidably inserted into the first support frame 41. By sliding and adjusting the second support frame 42, the overall size of the mounting frame 4 can be adjusted to accommodate different installation numbers of electrical modules 6. In addition, after sliding and adjusting the second support frame 42, the second support frame 42 is secured by tightening the fastening screw 43 and by having the end of the fastening screw 43 abut against the outer wall of the second support frame 42, which helps to maintain the state of the second support frame 42.

[0034] Specifically, the first upright 41 and the second upright 42 are each evenly distributed with screw holes. The cross frame 5 is installed on the first upright 41 or the second upright 42 by screwing the screws on it into the screw holes. After the second upright 42 has been slidably adjusted, the cross frame 5 is installed by screwing the screws on the cross frame 5 into the corresponding screw holes on the first upright 41 or the second upright 42.

[0035] Specifically, each U-shaped side plate 2 has a hole 71 evenly distributed on its bottom end face, and each U-shaped side plate 2 has a positioning rod 7 evenly distributed on its top end face that can be matched and inserted into the hole 71.

[0036] Two semi-circular threaded rods 8 are provided on both sides of the U-shaped side plate 2. When the two U-shaped side plates 2 are assembled together, the semi-circular threaded rods 8 on the upper and lower U-shaped side plates 2 are assembled into a threaded rod as a whole. The threaded rod as a whole is fitted with a fastening nut 81 for fastening.

[0037] When assembling the U-shaped side plate 2, it is necessary to ensure that the positioning rods 7 at the top of the lower U-shaped side plate 2 are inserted into the corresponding insertion holes 71 at the bottom of the upper U-shaped side plate 2 to position and assemble the two adjacent U-shaped side plates 2. After assembly, the semi-circular threaded rods 8 on the upper and lower U-shaped side plates 2 are aligned to form a threaded rod assembly. The fastening nuts 81 are screwed onto the threaded rods to fasten the upper and lower U-shaped side plates 2 into one unit. At least one fastening point can fix the upper and lower U-shaped side plates 2. This fastening method has a simple structure and is convenient to disassemble and assemble.

[0038] Specifically, the uppermost U-shaped side panel 2 is fixed with mounting feet B111, and the top plate 11 is fastened to the mounting feet B111 by bolts. The bolts are used to fasten the top plate 11 to the mounting feet B111, forming the assembly of the door panel 12 and the enclosure 3. The lowermost U-shaped side panel 2 is fixed with mounting feet A101, and the mounting feet A101 are fastened to the bottom plate 1 by bolts. The bolts are used to fasten the mounting feet A101 to the bottom plate 1, realizing the assembly of the enclosure 3 and the bottom plate 1.

[0039] Specifically, both sides of the U-shaped side panel 2 are provided with heat dissipation vents 21, and each heat dissipation vent 21 is provided with a dustproof net. By setting the heat dissipation vents 21, the side of the enclosure 3 has multiple heat dissipation points, which helps to dissipate heat from the electrical module 6 inside the cabinet when it is working.

[0040] Specifically, the door panel 12 is equipped with multiple models, differing in size, to accommodate different numbers of enclosures 3. Each side of the U-shaped side panel 2 is equipped with a hinge 22. The hinge 22 is detachably connected to the door panel 12 by screws. By fastening the door panel 12 and the hinge 22 on the side of the U-shaped side panel 2 with screws, the hinged assembly of the door panel 12 and the enclosure 3 can be realized, making it convenient to open and close.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A modularly designed switchgear, comprising a base plate (1), a crossbeam (5), and an electrical module (6), characterized in that: It also includes a top panel (11), a door panel (12), and a U-shaped side panel (2); A number of U-shaped side panels (2) are sequentially spliced ​​together to form a fence (3) with an opening on the front side. The bottom of the fence (3) is installed on the base plate (1), and a top plate (11) is installed on the top of the fence (3). The door panel (12) is assembled on the side of the fence (3) to block the opening on the front side of the fence (3). The base plate (1) is equipped with a telescopically adjustable mounting frame (4), a plurality of the cross frames (5) are mounted on the mounting frame (4), and the electrical module (6) is mounted on the cross frames (5).

2. The modularly designed switchgear according to claim 1, characterized in that: The mounting bracket (4) consists of a first upright (41), a second upright (42), and a fastening screw (43); The two first uprights (41) are detachably mounted on the base plate (1), and each of the two first uprights (41) is equipped with a second upright (42) that can slide vertically. The cross sections of the first uprights (41) and the second uprights (42) are mutually compatible U-shaped. The fastening screw (43) is located on the side of the first stand (41) and near the top, and the end of the fastening screw (43) abuts against the side of the second stand (42).

3. The modularly designed switchgear according to claim 2, characterized in that: The first upright (41) and the second upright (42) are each provided with screw holes. The crossbar (5) is installed on the first upright (41) or the second upright (42) by screwing the screws on it into the screw holes.

4. The modularly designed switchgear according to claim 1, characterized in that: Each of the U-shaped side plates (2) has a hole (71) evenly distributed on its bottom end face, and each of the U-shaped side plates (2) has a positioning rod (7) evenly distributed on its top end face that can be matched and inserted into the hole (71).

5. A modularly designed switchgear according to claim 1, characterized in that: Two semi-circular threaded rods (8) are provided on both sides of the U-shaped side plate (2). When the two U-shaped side plates (2) are assembled together, the semi-circular threaded rods (8) on the upper and lower U-shaped side plates (2) are assembled into a threaded rod whole. The threaded rod is fitted with a fastening nut (81) for tightening.

6. The modularly designed switchgear according to claim 1, characterized in that: The uppermost U-shaped side plate (2) is fixed with mounting feet B (111), and the top plate (11) is fastened to the mounting feet B (111) by bolts; The bottom U-shaped side plate (2) is fixed with mounting feet A (101), which are fastened to the base plate (1) by bolts.

7. A modularly designed switchgear according to claim 1, characterized in that: The U-shaped side plate (2) is provided with heat dissipation vents (21) on both sides, and each heat dissipation vent (21) is provided with a dustproof net.

8. A modularly designed switchgear according to claim 1, characterized in that: The door panel (12) is available in multiple models; The U-shaped side panel (2) is provided with hinges (22) on its side, and the hinges (22) are detachably assembled and connected to the door panel (12) by screws.

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