Unitized power distribution cabinet with high safety

Abstract

The utility model discloses a unitized high-safety power distribution cabinet, which comprises a mounting frame formed by enclosing at least four upright posts vertically extending upwards from the ground and a plurality of transverse posts vertically fixed on the side walls of the upright posts; the cabinet body is composed of a plurality of independent single cabinets which are mutually independent and isolated, and the independent single cabinets are installed in the length direction of the stand columns. According to the unitized power distribution cabinet with high safety, mutual isolation of each independent power distribution unit can be realized, so that when a single unit breaks down, propagation of fire or fault current is effectively prevented, other units are protected from being damaged, and the overall safety and reliability of a power distribution system are remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution cabinets, and particularly relates to a distribution cabinet with high unitized safety. Background Art

[0002] A distribution cabinet, also known as a switch cabinet, is a general term for a motor control center. The distribution cabinet is an enclosed or semi-enclosed metal box, and auxiliary devices such as switchgear, measuring instruments, and protective electrical appliances are assembled inside according to the requirements of electrical wiring.

[0003] However, the existing design of distribution cabinets mostly adopts an integral structure, that is, all electrical components and distribution units are integrated into a single cabinet. This design has certain advantages in terms of convenience and compactness. However, once a safety hazard occurs in an independent unit, such as a short circuit, overheating, or even a fire, it often causes damage to the entire distribution cabinet, thereby affecting the stability and safety of the entire power distribution system. Content of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a distribution cabinet with high unitized safety. Through a unique structural design, it can achieve the mutual isolation of each independent power distribution unit, so that when a single unit fails, it can effectively prevent the spread of fire or fault current, protect other units from damage, and significantly improve the overall safety and reliability of the power distribution system.

[0005] A distribution cabinet with high unitized safety according to an embodiment of the utility model includes:

[0006] An installation frame, which is at least enclosed by four vertical columns extending upward from the ground and multiple cross columns vertically fixed on the side walls of the columns;

[0007] A cabinet body, which is composed of a plurality of independent and mutually isolated single cabinets, and the plurality of single cabinets are installed along the length direction of the columns.

[0008] According to some embodiments of the utility model, side columns are further connected between two adjacent columns, and a plurality of side columns are arranged at equal intervals along the length direction of the columns.

[0009] According to some embodiments of the utility model, the side columns are parallel to the side walls of the single cabinets, and the side columns are fixedly connected to the side walls of the single cabinets.

[0010] According to some embodiments of the utility model, both the cross columns and the side columns are fixed to the columns by bolts, and a plurality of through holes for the bolts to screw into are equidistantly distributed on the side walls of the columns.

[0011] According to some embodiments of the present utility model, the side wall in the length direction of the independent single cabinet is fixed to the cross column by bolts, and the side wall in the width direction of the independent single cabinet is fixed to the side column by bolts.

[0012] According to some embodiments of the present utility model, there is a gap between two adjacent independent single cabinets, and heat dissipation holes are formed through the top wall of the independent single cabinet.

[0013] According to some embodiments of the present utility model, a cabinet door for closing the independent single cabinet is rotatably connected to the front end face of the independent single cabinet. A hinge is provided on the side wall of the cabinet door. The cabinet door is rotatably connected to the independent single cabinet through the hinge, and a perspective window is further provided on the surface of the cabinet door.

[0014] According to some embodiments of the present utility model, it further includes a wire passing hole formed in the rear side wall of the independent single cabinet for the wire harness to penetrate from the outside. A wire fixing component for fixing the wire harness is provided inside the wire passing hole.

[0015] The wire fixing component includes

[0016] a wire cylinder, which is threadedly connected inside the wire passing hole and is provided with a sliding groove thereon;

[0017] a sliding ring, which is slidably connected to the outer wall of the wire cylinder. An anti-slip pattern is provided on its outer peripheral surface, and a slider is fixedly connected to its inner peripheral surface. The slider is slidably connected inside the sliding groove;

[0018] a sliding plate, which is slidably connected inside the wire cylinder. A plurality of wire clamping openings for the wire harness to pass through are formed on the sliding plate, and one end of the slider extending into the wire cylinder is fixedly connected to the outer peripheral surface of the sliding plate.

[0019] According to some embodiments of the present utility model, an elastic conical sleeve is fixedly installed inside the wire clamping opening. A plurality of cutouts are formed on the circumferential surface of the elastic conical sleeve, and a rubber layer is provided on the inner wall of the elastic conical sleeve.

[0020] According to some embodiments of the present utility model, a dust-proof film is fixedly installed on the inner wall of the port at one end of the wire cylinder extending into the independent single cabinet, and a plurality of slits are provided on the dust-proof film.

[0021] A power distribution cabinet with high unitary safety according to an embodiment of the present utility model has at least the following beneficial effects:

[0022] 1. In the present utility model, by setting the core components of the power distribution cabinet to be composed of a plurality of independent and isolated independent single cabinets, this modular design enables each independent single cabinet to work as an independent electrical unit without interference with each other. Thus, when a single unit fails, it can effectively prevent the spread of fire or fault current and protect other units from damage.

[0023] 2. In this utility model, through the provided wire drum, it is convenient for the wire harness to penetrate into the interior of the independent single cabinet. And through the cooperation of the sliding ring, sliding plate and wire clamping port arranged on the wire drum, the wire harness penetrating into the interior of the independent single cabinet can be separated and fixed. On the one hand, it avoids the entanglement of the wire harness penetrating into the interior of the independent single cabinet. On the other hand, it avoids the difficulty in distinguishing when multiple wire harnesses are stacked together.

[0024] Additional aspects and advantages of this utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of this utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of this utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of a power distribution cabinet with high unitized safety for an embodiment of this utility model;

[0027] Figure 2 For Figure 1 It is a schematic perspective view of an independent single cabinet in a power distribution cabinet with high unitized safety shown;

[0028] Figure 3 For Figure 1 It is a schematic front view of an independent single cabinet in a power distribution cabinet with high unitized safety shown;

[0029] Figure 4 For Figure 3 It is a schematic front view of a wire fixing component in a power distribution cabinet with high unitized safety shown;

[0030] Figure 5 For Figure 3 It is an exploded schematic view of a wire fixing component in a power distribution cabinet with high unitized safety shown.

[0031] Reference Signs:

[0032] 100, mounting rack; 110, vertical column; 120, cross column; 130, side column;

[0033] 200, cabinet body; 210, independent single cabinet; 220, cabinet door; 230, perspective window; 240, heat dissipation hole;

[0034] 300, Fixed wire assembly; 310, bobbin; 311, external thread; 312, sliding groove; 320, dust-proof film; 321, slit; 330, sliding ring; 331, anti-slip pattern; 332, wire clamping port; 333, elastic conical sleeve; 334, incision; 335, rubber layer; 336, slider; 337, slide plate. Detailed implementation mode

[0035] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0036] In the description of the present invention, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0037] In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If the first and the second are described, this is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0038] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation, connection and connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] The following describes a power distribution cabinet with high unitized safety according to an embodiment of the present invention with reference to the drawings.

[0040] Refer to Figures 1-5 This embodiment of the present invention aims to provide a power distribution cabinet with high unitized safety.

[0041] A power distribution cabinet with high unitized safety according to an embodiment of the present invention includes:

[0042] The mounting rack 100 is formed by enclosing at least four vertical columns 110 extending upward from the ground and multiple cross columns 120 vertically fixed on the side walls of the columns 110;

[0043] The cabinet body 200 is composed of multiple independent and isolated single cabinets 210, and the multiple single cabinets 210 are installed along the length direction of the column 110.

[0044] In some specific embodiments of the present utility model, the core component of the power distribution cabinet can be the cabinet body 200, which is composed of multiple independent and isolated single cabinets 210. This modular design enables each single cabinet 210 to work as an independent electrical unit without interference from each other.

[0045] It should be noted that: Each single cabinet 210 integrates complete electrical components and power distribution units, including but not limited to circuit breakers, contactors, fuses, bus bars, etc., ensuring the integrity and independence of their respective functions.

[0046] In some specific embodiments of the present utility model, the mounting rack 100 can be used as the framework of the entire power distribution cabinet, which is jointly enclosed by four vertical columns 110 extending upward from the ground and multiple cross columns 120 vertically fixed on the side walls of the columns 110. This stable frame structure provides a solid support and precise positioning for the single cabinet 210. The arrangement of the columns 110 and the cross columns 120 not only ensures the stability of the mounting rack 100 but also facilitates the flexible installation and adjustment of the single cabinet 210 along the length direction of the column 110 to meet different power distribution requirements.

[0047] Refer to Figure 1 , in some embodiments of the present utility model, side columns 130 are further connected between two adjacent columns 110. There are multiple side columns 130, and the multiple side columns 130 are equally spaced along the length direction of the column 110.

[0048] It is easy to understand that in this embodiment, the stability of the connection between the column 110 and the cross column 120 is improved by the provided side columns 130, thereby enhancing the overall strength of the mounting rack 100.

[0049] Refer to Figure 1 , in some embodiments of the present utility model, the side column 130 is parallel to the side wall of the single cabinet 210, and the side column 130 is fixedly connected to the side wall of the single cabinet 210.

[0050] It is easy to understand that in this embodiment, the stability of the installation of the single cabinet 210 can be improved by the provided side columns 130.

[0051] Refer to Figure 1, in some embodiments of the present utility model, both the cross-column 120 and the side-column 130 are fixed to the vertical column 110 by bolts. A plurality of through-holes for the bolts to screw into are equidistantly distributed on the side wall of the vertical column 110. The side wall in the length direction of the independent single cabinet 210 is fixed to the cross-column 120 by bolts, and the side wall in the width direction of the independent single cabinet 210 is fixed to the side-column 130 by bolts.

[0052] It is easy to understand that in this embodiment, the cross-column 120 and the side-column 130 are connected to the vertical column 110 by bolts, which facilitates the installation and disassembly of the mounting frame 100, and it is convenient to fix the cabinet 200 to the mounting frame 100 by bolts.

[0053] Refer to Figure 2 , in some embodiments of the present utility model, there is a gap between two adjacent independent single cabinets 210, and heat dissipation holes 240 are penetrated and opened on the top wall of the independent single cabinet 210.

[0054] It is easy to understand that in this embodiment, the gap provided facilitates the gas flow between two adjacent independent single cabinets 210, and the heat dissipation holes 240 provided facilitate the heat dissipation inside the independent single cabinet 210.

[0055] Refer to Figure 3 , in some embodiments of the present utility model, a cabinet door 220 for closing the independent single cabinet 210 is rotatably connected to the front end face of the independent single cabinet 210. A hinge is provided on the side wall of the cabinet door 220, and the cabinet door 220 is rotatably connected to the independent single cabinet 210 through the hinge. A perspective window 230 is also provided on the surface of the cabinet door 220.

[0056] It is easy to understand that in this embodiment, the cabinet door 220 provided can close the independent single cabinet 210, and the perspective window 230 provided facilitates the operator to observe the inside of the independent single cabinet 210.

[0057] In some specific embodiments of the present utility model, the cabinet door 220 can be opened to the left or right and arranged according to actual needs.

[0058] Refer to Figures 3-5 In some embodiments of the present utility model, it further includes a wire threading hole opened on the rear side wall of the independent single cabinet 210 for the wire harness to penetrate from the outside, and a wire fixing component 300 for fixing the wire harness is arranged inside the wire threading hole.

[0059] Among them, the wire fixing component 300 includes,

[0060] a wire cylinder 310, which is threadedly connected inside the wire threading hole and is provided with a sliding groove 312 on it;

[0061] The sliding ring 330 is slidably connected to the outer wall of the wire barrel 310. Anti-slip threads 331 are provided on its outer peripheral surface, and a slider 336 is fixedly connected to its inner peripheral surface. The slider 336 is slidably connected inside the sliding groove 312.

[0062] The sliding plate 337 is slidably connected inside the wire barrel 310. A plurality of wire clamping openings 332 for the wire harness to pass through are formed on the sliding plate 337. One end of the slider 336 extending into the wire barrel 310 is fixedly connected to the outer peripheral surface of the sliding plate 337.

[0063] It should be noted that: in order to ensure that the wire barrel 310 can be threadedly connected inside the wire threading hole, external threads 311 are provided on the outer wall of the wire barrel 310, and internal threads threadedly adapted to the external threads 311 are provided inside the wire threading hole.

[0064] It is easy to understand that in this embodiment, through the provided wire barrel 310, it is convenient for the wire harness to penetrate into the independent single cabinet 210. Through the cooperation of the sliding ring 330, the sliding plate 337 and the wire clamping openings 332 provided on the wire barrel 310, the wire harness penetrating into the independent single cabinet 210 can be separated and fixed. On the one hand, it avoids the winding of the wire harness penetrating into the independent single cabinet 210. On the other hand, it avoids the difficulty in distinguishing when multiple wire harnesses are stacked together.

[0065] Refer to Figure 5 , in some embodiments of the present utility model, an elastic conical sleeve 333 is fixedly installed inside the wire clamping opening 332. A plurality of cutouts 334 are formed on the circumferential surface of the elastic conical sleeve 333, and a rubber layer 335 is provided on the inner wall of the elastic conical sleeve 333.

[0066] It is easy to understand that in this embodiment, through the cooperation of the elastic conical sleeve 333 and the cutouts 334 provided inside the wire clamping opening 332, wire harnesses of different thicknesses can be fixed inside the wire clamping opening 332, further improving the stability of wire harness fixation.

[0067] Refer to Figure 4 and Figure 5 , in some embodiments of the present utility model, a dust-proof film 320 is fixedly installed on the inner wall of the port at one end of the wire barrel 310 extending into the independent single cabinet 210. A plurality of slits 321 are provided on the dust-proof film 320.

[0068] It is easy to understand that when the wire harness penetrates into the wire barrel 310 and passes through the front end of the wire barrel 310, the dust-proof film 320 can be attached to the outer wall of the wire harness, which can prevent external dust from entering the independent single cabinet 210 through the wire barrel 310.

[0069] In the description of this specification, the descriptions referring to terms such as "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0070] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the relevant art, various changes can be made without departing from the gist of the present utility model.

Claims

1. A unitized power distribution cabinet with high safety, characterized in that: include: The mounting frame (100) is formed by at least four upright posts (110) extending vertically upward from the ground and a plurality of horizontal posts (120) vertically fixed to the side walls of the upright posts (110); The cabinet body (200) is composed of a plurality of independent and isolated single cabinets (210), and the plurality of independent single cabinets (210) are installed along the length direction of the column (110).

2. A unitized power distribution cabinet with high safety according to claim 1, characterized in that: A side column (130) is also connected between two adjacent upright columns (110), and a plurality of the side columns (130) are provided, and the plurality of side columns (130) are evenly spaced along the length direction of the upright columns (110).

3. A unitized power distribution cabinet with high safety according to claim 2, characterized in that: The side column (130) is parallel to the side wall of the independent single cabinet (210), and the side column (130) is fixedly connected to the side wall of the independent single cabinet (210).

4. A unitized power distribution cabinet with high safety according to claim 3, characterized in that: The transverse column (120) and the side column (130) are both fixed to the vertical column (110) by means of bolts, and a plurality of through holes for screwing the bolts into are evenly spaced on the side wall of the vertical column (110).

5. A unitized power distribution cabinet with high safety according to claim 4, characterized in that: The side walls of the independent single cabinet (210) in the length direction are fixed to the transverse column (120) by means of bolts, and the side walls of the independent single cabinet (210) in the width direction are fixed to the side column (130) by means of bolts.

6. A unitized power distribution cabinet with high safety according to claim 1, characterized in that: A partition is provided between two adjacent independent single cabinets (210), and a heat dissipation hole (240) is provided through the top wall of the independent single cabinet (210).

7. A unitized power distribution cabinet with high safety according to claim 6, characterized in that: The front end surface of the independent single cabinet (210) is rotatably connected to a cabinet door (220) for closing the cabinet door, and a hinge is provided on the side wall of the cabinet door (220). The cabinet door (220) is rotatably connected to the independent single cabinet (210) via the hinge, and a perspective window (230) is also provided on the surface of the cabinet door (220).

8. The unitized power distribution cabinet with high safety according to claim 6, characterized in that: It also includes a threading hole provided on the rear side wall of the independent single cabinet (210) for allowing the wire harness to pass through from the outside, wherein a wire fixing component (300) for fixing the wire harness is arranged inside the threading hole. The wire fixing assembly (300) comprises: A wire barrel (310) is threadedly connected to the inside of the threading hole and is provided with a sliding groove (312); A sliding ring (330) is slidably connected to the outer wall of the bobbin (310), an outer circumferential surface of which is provided with anti-slip grooves (331), and an inner circumferential surface of which is fixedly connected with a sliding block (336), wherein the sliding block (336) is slidably connected to the interior of the sliding groove (312); The slide plate (337) is slidably connected to the inside of the wire barrel (310); a plurality of wire clamping openings (332) for the wire harness to pass through are provided on the slide plate (337); one end of the slide block (336) extending to the inside of the wire barrel (310) is fixedly connected to the outer peripheral surface of the slide plate (337).

9. A unitized power distribution cabinet with high safety according to claim 8, characterized in that: An elastic conical sleeve (333) is fixedly installed inside the wire clamping opening (332), a plurality of cutouts (334) are provided on the circumference of the elastic conical sleeve (333), and a rubber layer (335) is provided on the inner wall of the elastic conical sleeve (333).

10. A unitized power distribution cabinet with high safety according to claim 8, characterized in that: A dustproof film (320) is fixedly mounted on the inner wall of the wire bobbin (310) extending to one end of the inner port of the independent single cabinet (210), and a plurality of slits (321) are provided on the dustproof film (320).

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