Carbon fiber electrical cabinet equipment skeleton structure and electrical cabinet equipment

Abstract

The invention provides a carbon fiber electrical cabinet equipment skeleton structure and electrical cabinet equipment, relates to the field of electrical cabinets, and aims to solve the problems of inconvenience in installation and poor stability after a carbon fiber material structure is adopted due to the fact that an existing electrical cabinet skeleton is large in mass. Compared with traditional welding or connection of a large number of complex parts, the installation process is simplified, the problem that installation and disassembly are inconvenient is solved, the bottom layer frame is formed by splicing a plurality of frame profiles, splicing end notches, circumferentially winding carbon fiber cloth and curing to form an integrated structure, and the installation and disassembly are convenient. Compared with a simple fastening bolt connection mode in the prior art, the problem that bolts are damaged due to stress concentration generated during stress can be effectively solved, and the stability and firmness of the whole framework structure are improved.

Description

Technical Field

[0001] The invention relates to the field of electrical cabinets, and in particular to a carbon fiber electrical cabinet equipment skeleton structure and electrical cabinet equipment. Background Art

[0002] The electrical cabinet frame is an important component of the electrical cabinet (such as the distribution cabinet, control cabinet, etc.). Its main function is to provide support, structural stability and external frame for the cabinet. The electrical cabinet frame is usually made of metal materials (such as steel, aluminum or stainless steel, etc.) to ensure that the cabinet can bear the weight of the internal equipment during operation and maintain the firmness and safety of the structure. Traditional electrical cabinet frames are generally made of steel or aluminum alloy, with a large overall mass, which is not convenient for transportation and movement, and has weak corrosion resistance and fatigue resistance. In addition, traditional electrical cabinet frames are generally installed and connected by welding or a large number of complex parts. The installation and disassembly of the frame is relatively inconvenient, and the bearing capacity of the equipment installation is also insufficient.

[0003] A switch cabinet frame with good structural stability is disclosed in a Chinese patent (publication number CN214899337U, publication date 202111126), which includes a carbon fiber bottom plate, a carbon fiber column, a top plate and a side plate; carbon fiber columns are arranged around the upper side of the carbon fiber bottom plate, and a slide groove is provided inside the carbon fiber column, and a side plate is slidably connected in the slide groove, and the side plates are contacted end to end in sequence, and the upper ends of the carbon fiber column and the side plate are located on the same horizontal plane, and the upper side of the carbon fiber column is fixed with a top plate by fastening bolts, and the structure is simple and easy to install. However, after the column and the bottom plate and the side plate are connected by fastening bolts, the stability is insufficient. When the cabinet is subjected to load, stress concentration is easily generated at the fastening bolt position, resulting in the fastening bolt thread damage, loosening, shearing and other problems; in addition, it adopts an integrated bottom plate and top plate, which makes it inconvenient to arrange the installation structure on the bottom plate and the top plate, affecting the installation of the equipment inside the cabinet. If a simple frame structure is adopted, there is a problem of insufficient strength. Summary of the invention

[0004] The purpose of the present invention is to provide a carbon fiber electrical cabinet equipment skeleton structure and electrical cabinet equipment in response to the defects of the prior art. The top frame, bottom frame and profile beam made of carbon fiber material are connected by configuring a connecting seat structure, and the equipment support bracket is connected to the profile beam. Compared with traditional welding or a large number of complex parts connection, the installation process is simplified and the problem of inconvenient installation and disassembly is solved. The bottom frame is made of multiple frame profiles, the end notches are spliced, and the carbon fiber cloth is circumferentially wound and solidified to form an integrated structure, which enhances the stability of the bottom frame. Compared with the simple fastening bolt connection method in the prior art, it can effectively avoid stress concentration when subjected to force, resulting in damage to the bolts, and improves the stability and firmness of the entire skeleton structure.

[0005] The first object of the present invention is to provide a carbon fiber electrical cabinet equipment skeleton structure, adopting the following solutions:

[0006] It includes a top layer frame, profile beams, a bottom layer frame and equipment support brackets made of carbon fiber. There are multiple profile beams connected between the top layer frame and the bottom layer frame. Both ends of the profile beams are respectively connected to the top layer frame and the bottom layer frame through connecting seat structures, and the equipment support brackets are connected to the profile beams; the bottom layer frame is a rectangular frame formed by splicing multiple frame profiles. Notches are preset at the ends of the frame profiles, and the notches at the ends of adjacent frame profiles are spliced at the corner positions of the rectangular frame; a carbon fiber cloth is wound around the circumference of the rectangular frame, and the carbon fiber cloth and the rectangular frame are cured to form an integrated bottom layer frame.

[0007] Furthermore, the connecting seat structure includes an upper joint and a lower joint. The upper joint is fixed to the top layer frame and the bottom layer frame. One end of the lower joint cooperates with the upper joint, and the other end is inserted and fixed to the end of the profile beam.

[0008] Furthermore, a part of the lower joint passes through the opening at the end of the profile beam and extends into the profile beam, and the part of the lower joint located inside the profile beam is riveted to the profile beam.

[0009] Furthermore, the upper joint is adhesively fixed to the top layer frame and the bottom layer frame, and the lower joint is connected to the upper joint through bolts.

[0010] Furthermore, support angle irons are installed on the equipment support brackets, and the support angle irons are riveted to the profile beams so that the equipment support brackets are installed on the profile beams.

[0011] Furthermore, there are multiple such support brackets, all located between the top layer frame and the bottom layer frame, and are sequentially distributed along the axial direction of the profile beam.

[0012] Furthermore, the cross-section of the frame profile is in a "day" shape. The notch of the frame profile is a structure with an L-shaped cross-section composed of an uncut chamber and the side wall of a cut chamber. The uncut chamber serves as the splicing part, and the side wall of the cut chamber serves as a fin. The splicing parts of the two frame profiles at the splicing position are fitted together, and the fin seals the end opening of the splicing part of the other frame profile.

[0013] Furthermore, grooves are formed on the circumferential surface of the bottom layer frame for accommodating the carbon fiber cloth.

[0014] Furthermore, the top layer frame is formed by splicing multiple border profiles, and the splicing positions of the border profiles are adhesively fixed.

[0015] The second object of the present invention is to provide an electrical cabinet equipment using the carbon fiber electrical cabinet equipment skeleton structure as described in the first object.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are:

[0017] Aiming at the problems that the current electrical cabinet skeleton is relatively heavy in mass, and it is inconvenient to install and has poor stability after adopting a carbon fiber material structure, by configuring a connecting seat structure to connect the top frame, bottom frame and profile beam, and an equipment support bracket is connected to the profile beam. Compared with the traditional welding or connection with a large number of complex components, the installation process is simplified, and the problem of inconvenient installation and disassembly is solved. The bottom frame is formed by splicing multiple frame profiles, splicing the end notches and circumferentially winding carbon fiber cloth and curing it into an integrated structure, which enhances the stability of the bottom frame. Compared with the simple fastening bolt connection method in the prior art, it can effectively avoid problems such as bolt damage caused by stress concentration when stressed, and improves the stability and firmness of the entire skeleton structure.

[0018] Adopting carbon fiber material makes the entire skeleton structure light in mass, convenient for transportation and movement. At the same time, the corrosion resistance and fatigue resistance of carbon fiber can improve the service life and reliability of the skeleton. Moreover, the bottom frame, top frame and equipment support bracket are all frame structures, which is more conducive to arranging installation structures at corresponding positions and facilitating the installation of equipment inside the cabinet.

[0019] Aiming at the problem that in the current electrical cabinet skeleton structure, when facing vibrations, shakes, etc. during the operation of the cabinet, the connection parts are prone to looseness, affecting the overall stability. The present invention provides a more reliable connection method for the top frame, bottom frame and profile beam by designing the connection seat structure of the upper joint and the lower joint to cope with various complex working conditions. The upper joint is fixed to the top frame and the bottom frame, one end of the lower joint cooperates with the upper joint, and the other end is inserted and fixed to the end of the profile beam, making the force on the connection part more uniform. Compared with the traditional connection method, it can effectively reduce the connection looseness problem caused by uneven force, and improve the stability of the entire skeleton structure. In addition, the insertion and bolt connection methods, compared with welding, do not require professional welding equipment and technicians during installation, are suitable for the skeleton structure form of carbon fiber material, reduce the installation difficulty and cost; during later maintenance or adjustment of the internal structure of the electrical cabinet, it can also be easily disassembled, improving the convenience of maintenance.

[0020] The cross-section of the frame profile is in a "day" shape, which increases the strength and stiffness of the frame profile, enabling it to better bear external loads. The design of the notch of the frame profile and the splicing method enable adjacent frame profiles to be mutually embedded at the splicing place, forming a stable overall structure, effectively improving the stability of the bottom frame; at the splicing place, the uncut chambers of the two frame profiles are in contact, and the side wall of the cut chamber seals the end opening of the uncut chamber of the other frame profile, making the structure at the splicing place more compact and enhancing the strength of the splicing part, avoiding weak links at the splicing place. Grooves are opened on the peripheral surface of the bottom frame to accommodate the carbon fiber cloth, enabling the carbon fiber cloth to better fit with the bottom frame and forming a more compact integrated structure after curing. The winding of the carbon fiber cloth further enhances the strength and stability of the bottom frame, improving its anti-deformation ability and load-bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings forming a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0022] Figure 1 It is a schematic diagram of the carbon fiber electrical cabinet equipment skeleton structure in one or more embodiments of the present invention.

[0023] Figure 2 It is a schematic diagram of the bottom layer frame in one or more embodiments of the present invention.

[0024] Figure 3 It is Figure 2 a schematic cross-sectional view taken at A-A in

[0025] Figure 4 It is a schematic diagram of the disassembly of the carbon fiber electrical cabinet equipment skeleton structure in one or more embodiments of the present invention.

[0026] Figure 5 It is Figure 4 a partial enlarged view at B in

[0027] Figure 6 It is a schematic diagram of the equipment support bracket in one or more embodiments of the present invention.

[0028] Wherein, 1, top layer frame; 2, connection seat structure; 201, upper joint; 202, lower joint; 3, profile beam; 4, bottom layer frame; 401, first border profile; 402, second border profile; 403, carbon fiber cloth; 404, fin; 405, splicing part; 5, equipment support bracket; 6, support angle iron; 7, connection stud; 8, locking nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Embodiment 1

[0030] In a typical embodiment of the present invention, as Figures 1-6 shown, a carbon fiber electrical cabinet equipment skeleton structure is given.

[0031] At present, the traditional electrical cabinet skeleton adopts aluminum alloy or steel structure, resulting in a large overall mass, which is inconvenient to carry and move; although the skeleton adopts a carbon fiber structure to reduce the weight, due to certain problems in its frame structure design, it is easy to have stress concentration problems at the connection positions of various components, resulting in poor durability. Based on this, the present embodiment provides a carbon fiber electrical cabinet equipment skeleton structure, which is connected to the top frame 1, the bottom frame 4 and the profile beam 3 made of carbon fiber material by configuring a connecting seat structure 2, and the equipment support frame 5 is connected to the profile beam 3. The bottom frame 4 is made of multiple frame profiles, the end notches are spliced, and the carbon fiber cloth 403 is circumferentially wrapped and solidified to form an integrated structure, which enhances the stability of the bottom frame 4. Compared with the simple fastening bolt connection method in the prior art, the connecting seat structure 2 can effectively avoid stress concentration caused by bolt damage when subjected to force, thereby improving the stability and firmness of the entire skeleton structure.

[0032] like Figures 1-6 As shown, the carbon fiber electrical cabinet equipment skeleton structure includes a top frame 1 made of fiber material, a profile beam 3, a bottom frame 4 and an equipment support frame 5. Multiple profile beams 3 are connected between the top frame 1 and the bottom frame 4. The two ends of the profile beam 3 are respectively connected to the top frame 1 and the bottom frame 4 through a connecting seat structure 2, and the equipment support frame 5 is connected to the profile beam 3.

[0033] like Figure 1 and Figure 4 As shown, the top frame 1 is a frame structure, which can be formed by assembling multiple profiles; the profile beam 3 is connected to the top frame 1 and the bottom frame 4 through the connecting seat structure 2, so that the connection parts of the profile beam 3 are more evenly stressed, effectively reducing the problem of loose connection caused by uneven stress, and improving the stability of the entire skeleton structure.

[0034] The bottom structure of the traditional electrical cabinet adopts the form of plates, etc. Although it can ensure strength, it has poor adaptability to external equipment, and it is inconvenient to set up diversified structures and install multiple fasteners. At the same time, if the profiles are simply spliced, the splicing method is not good, and the splicing point is easy to become a weak link, and the overall strength and rigidity are difficult to meet the requirements. In this regard, in this embodiment, the bottom frame 4 is a rectangular frame spliced ​​by multiple frame profiles. In order to achieve the connection between the frame profiles, the ends of the frame profiles are preset with notches, and the notches at the ends of adjacent frame profiles are spliced ​​at the corners of the rectangular frame. The splicing position can be pre-bonded. After the multiple frame profiles are pre-connected into a frame, a carbon fiber cloth 403 is wrapped around the circumference of the rectangular frame, and the carbon fiber cloth 403 and the rectangular frame are cured to form an integrated structure.

[0035] The splicing method of the notches at the ends of the frame profiles allows adjacent profiles to fit together to form a stable whole, thereby enhancing the strength of the spliced ​​parts. The winding of the carbon fiber cloth 403 and the solidification with the bottom frame 4 to form an integrated structure greatly improve the strength, stability and deformation resistance of the bottom frame 4, so that it can better serve as the foundation of the entire electrical cabinet frame and bear the weight of the cabinet and internal equipment.

[0036] The types and weights of the equipment inside the electrical cabinet are various, and a reliable equipment support bracket 5 is needed to support the equipment to prevent the equipment from being damaged due to vibration or displacement during operation. In this regard, the present embodiment configures an equipment support bracket 5 to carry and fix various types of electrical equipment.

[0037] like Figure 5 As shown, the traditional electrical cabinet frame connection method is prone to loosening of the connection parts when facing vibration, shaking, etc. during cabinet operation, affecting the overall stability. In this regard, in this embodiment, by designing the connection seat structure 2 of the upper joint 201 and the lower joint 202, a more reliable connection method is provided between the top frame 1, the bottom frame 4 and the profile beam 3 to cope with various complex working conditions.

[0038] Specifically, the upper joint 201 is fixed to the top frame 1 and the bottom frame 4, one end of the lower joint 202 cooperates with the upper joint 201, and the other end is plugged and fixed to the end of the profile beam 3, so that the force on the connection part is more uniform, and the force from the profile beam 3 can be evenly dispersed to the top frame 1 and the bottom frame 4. When the cabinet is vibrated or shaken, the force is transmitted to the upper joint 201 through the lower joint 202, and then dispersed to various parts of the frame, avoiding the situation of excessive local force. Compared with the traditional connection method, it can effectively reduce the problem of loose connection caused by uneven force and improve the stability of the entire skeleton structure.

[0039] During installation, the plug-in process does not require complex tools and professional skills. It only needs to align the lower joint 202 with the end opening of the profile beam 3 and insert it, which shortens the installation time, reduces the installation difficulty and labor costs. At the construction site, workers can quickly complete a large amount of connection work, improving installation efficiency. The precise matching of the lower joint 202 and the end opening of the profile beam 3 can provide accurate positioning for both at the initial stage of installation, such as Figure 5As shown, the position where the lower joint 202 is inserted into the end opening of the profile beam 3 can adopt a U-shaped cross-section or an I-shaped cross-section to ensure the strength of the lower joint 202. At the same time, it can increase the contact area between the lower joint 202 and the profile beam 3. When the cabinet is stressed, the force can be evenly dispersed through the larger contact area, avoiding local stress concentration and enhancing the stability and bearing capacity of the connection part. The upper joint 201 and the lower joint 202 are bolt-connected, which can associate the upper joint 201 and the lower joint 202 before installation, and can tightly lock the upper joint 201, the lower joint 202 and the profile beam 3 into a whole. During the installation process, if there is a slight deviation in the insertion position of the lower joint 202 and the profile beam 3, the relative positions of the upper and lower joints 202 can be finely adjusted by adjusting the bolts to make the insertion position more accurate and improve the overall connection quality.

[0040] The bolt connection and the insertion cooperate with each other. The insertion provides the initial connection and positioning, and the bolt connection further strengthens on the basis of the insertion. The two work together to ensure that the entire connection seat structure 2 can maintain a reliable connection under various working conditions and will not weaken each other's functions.

[0041] In the process of long-term use of a simple insertion connection, especially when it is subjected to frequent vibrations or large external force impacts, the profile beam 3 and the lower joint 202 may become disengaged, affecting the integrity and stability of the skeleton structure. In this embodiment, as Figure 4 、 Figure 5 shown, the lower joint 202 partially passes through the end opening of the profile beam 3 and extends into the profile beam 3, and is fixed by riveting, making the connection between the lower joint 202 and the profile beam 3 closer and more secure. The riveting provides an additional fastening force, effectively preventing the relative displacement or disengagement of the lower joint 202 and the profile beam 3 during use, and enhancing the bearing capacity and stability of the entire skeleton structure.

[0042] The upper joint 201 is adhesively fixed to the top frame 1 and the bottom frame 4. The adhesive bonding method can fully fit the surface of the carbon fiber material, and can also be cured again after installing the upper joint 201, so that the upper joint 201 can be tightly fixed to the bottom frame 4 and the top frame 1, providing a large bonding area, thereby achieving a firm fixing effect and not causing structural damage to the carbon fiber frame.

[0043] There are various types of equipment with different weights inside the electrical cabinet. As Figure 6As shown in the figure, in this embodiment, a plurality of equipment support brackets 5 are configured. All of them are located between the top frame 1 and the bottom frame 4 and are arranged in sequence along the axial direction of the profile beam 3. The support angle irons 6 installed on the equipment support brackets 5 are riveted to the profile beam 3, providing a stable support platform for the equipment. The riveting method can make the support angle iron 6 closely combined with the profile beam 3, ensuring that the equipment support bracket 5 can bear the weight of the equipment and guaranteeing the stability of the equipment during operation.

[0044] The support angle iron 6 is installed by the riveting method, which is not only convenient for operation but also avoids excessive damage to the profile beam 3. At the same time, a plurality of equipment support brackets 5 are arranged in sequence along the axial direction of the profile beam 3, which can flexibly adjust the installation position of the equipment according to the different sizes and weight requirements of the equipment, improving the convenience and flexibility of equipment installation.

[0045] As Figure 2 and Figure 3 shown, the bottom frame 4, as the foundation of the entire electrical cabinet skeleton, needs to bear a large weight and pressure. In this regard, in this embodiment, the cross-section of the frame profile is in a "day" shape, increasing the strength and stiffness of the frame profile and enabling it to better bear external loads. The notch structure and the splicing method of the frame profile enable adjacent frame profiles to be mutually embedded at the splicing position, forming a solid overall structure and effectively improving the stability of the bottom frame 4.

[0046] Specifically, as Figure 3 shown, the frame profile notch is a structure with an L-shaped cross-section composed of an uncut chamber and the side wall of the cut chamber. The uncut chamber serves as the splicing part 405, and the side wall of the cut chamber serves as the fin 404. The fin 404 is vertically distributed with respect to the splicing part 405, and the fin 404 is coplanar with one side wall of the splicing part 405. The splicing parts 405 of the two frame profiles at the splicing position are fitted together, and the fitting position can be adhesively pre-fixed. The fin 404 blocks the end opening of the splicing part 405 of another frame profile.

[0047] When the splicing parts 405 of the two frame profiles at the splicing position are fitted together and the fin 404 blocks the end opening of the splicing part 405 of another frame profile, from the perspective of space occupation, the structural space of the frame profile is utilized to the maximum extent. Compared with some simple butt joint or overlapping splicing methods, the fitting of the splicing part 405 ensures the continuity of the frame at this position and reduces the internal cavities or gaps caused by splicing. In traditional frame splicing, if it is just a simple butt joint, gaps are easily formed at the joint, which not only affects the appearance but also easily causes stress concentration when stressed. In this embodiment, the fin 404, as the fin 404, blocks the end opening of the splicing part 405 of another profile, making the structure at the splicing position closely connected, thus achieving the effect of a more compact structure at the splicing position.

[0048] From a mechanical perspective, the fitting of the splicing part 405 increases the contact area of the splicing site. In material mechanics, the larger the contact area, the smaller the stress borne per unit area. When the bottom frame 4 bears external forces such as pressure and vibration from the cabinet body and internal equipment, a larger contact area can disperse these external forces more evenly, avoiding stress concentration at a certain point or a small area. For example, when bearing vertical pressure, the force is evenly transmitted to the two frame profiles through the fitting splicing part 405, rather than concentrating at the splicing point. The fin 404 blocks the end opening, which can reduce the problem of external debris entering the interior through the end opening of the splicing part 405, and adds an additional support structure at the splicing. When the frame is subjected to lateral or torsional forces, the fin 404 structure can prevent the relative displacement between the profiles, enhancing the anti-deformation ability of the splicing part, thus effectively enhancing the strength of the splicing part and avoiding the appearance of weak links.

[0049] The peripheral surface of the bottom frame 4 is grooved to accommodate the carbon fiber cloth 403, enabling the carbon fiber cloth 403 to better fit the bottom frame 4 and form a more compact integrated structure after curing. The carbon fiber cloth 403 has good flexibility and can completely fit on the grooved peripheral surface of the bottom frame 4. During the curing process, the resin component in the carbon fiber cloth 403 undergoes a chemical reaction with the surface of the bottom frame 4 to form a chemical bond connection. The chemical bond connection makes the carbon fiber cloth 403 and the bottom frame 4 an inseparable whole, rather than a simple physical superposition. Just like the steel bars and cement in concrete, the steel bars are embedded in the cement and the two are tightly combined after solidification to jointly bear external forces. In this way, the carbon fiber cloth 403 and the bottom frame 4 achieve a more compact integrated structure, enhancing the integrity and collaborative working ability of the bottom frame 4. When the bottom frame 4 is subjected to a bending force, the frame profiles mainly bear pressure and tension, while the carbon fiber cloth 403, due to its high-strength characteristics, can effectively resist the tensile force, preventing cracks or deformation on the tensile side of the frame. The winding of the carbon fiber cloth 403 further enhances the strength and stability of the bottom frame 4, improving its anti-deformation ability and load-bearing capacity.

[0050] The top frame 1 is formed by splicing multiple border profiles, and the splicing positions of the border profiles are fixed by bonding. The bonding method can form a large adhesive force between the border profiles, making the top frame 1 a stable overall structure. Compared with other connection methods, such as bolt connection, it will not leave too many holes on the frame, thus reducing the impact on the strength of the frame structure and ensuring the overall performance of the top frame 1.

[0051] Embodiment 2

[0052] In another typical implementation manner of the present invention, as Figures 1-6 shown, an electrical cabinet device is given, using the carbon fiber electrical cabinet device skeleton structure as in Embodiment 1.

[0053] For the electrical cabinet equipment in this embodiment, on the basis of the carbon fiber electrical cabinet equipment skeleton structure, corresponding plates can also be arranged on the outside for covering.

[0054] In terms of space utilization, the compact splicing method of the carbon fiber electrical cabinet equipment skeleton structure makes the internal space layout of the electrical cabinet equipment more reasonable, can accommodate more electrical equipment, and will not affect the installation and wiring of the equipment due to excessive space occupied by the frame structure. At the same time, the high-strength design at the splicing part enables the electrical cabinet equipment to stably carry the internal equipment. Even in a complex operating environment, it can withstand the vibration and external force impact generated by the equipment operation, ensuring the stable operation of the electrical equipment.

[0055] The bottom layer frame 4 strengthened by the carbon fiber cloth 403 greatly improves the overall strength and stability of the electrical cabinet. In the face of unexpected situations such as mechanical collisions, it can effectively protect the internal electrical components from damage, reduce the probability of faults, and improve the reliability and safety of the electrical cabinet equipment. Moreover, due to the relatively light weight of the carbon fiber material, the electrical cabinet equipment based on this skeleton structure is much lighter than the electrical cabinet made of traditional materials. This not only facilitates transportation and installation, but also reduces the requirements for the installation foundation due to excessive weight and lowers the installation cost.

[0056] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A carbon fiber electrical cabinet equipment skeleton structure, characterized in that: It includes a top layer frame made of carbon fiber material, profile beams, a bottom layer frame, and a device support bracket. Multiple profile beams are connected between the top layer frame and the bottom layer frame. Both ends of the profile beams are respectively connected to the top layer frame and the bottom layer frame through a connector structure, and the device support bracket is connected to the profile beam; the bottom layer frame is a rectangular frame formed by splicing multiple frame profiles. Notches are preset at the ends of the frame profiles, and the notches at the ends of adjacent frame profiles are spliced at the corner positions of the rectangular frame; a carbon fiber cloth is wound around the circumference of the rectangular frame, and the carbon fiber cloth and the rectangular frame are cured to form an integrated bottom layer frame.

2. The carbon fiber electrical cabinet equipment skeleton structure according to claim 1, characterized in that: The connector structure includes an upper joint and a lower joint. The upper joint is fixed to the top layer frame and the bottom layer frame. One end of the lower joint cooperates with the upper joint, and the other end is inserted and fixed to the end of the profile beam.

3. The carbon fiber electrical cabinet equipment skeleton structure according to claim 2, characterized in that: Part of the lower joint penetrates through the end opening of the profile beam and extends into the profile beam, and the part of the lower joint located inside the profile beam is riveted to the profile beam.

4. The carbon fiber electrical cabinet equipment skeleton structure according to claim 2 or 3, characterized in that: The upper joint is adhesively fixed to the top layer frame and the bottom layer frame, and the lower joint is connected to the upper joint through bolts.

5. The carbon fiber electrical cabinet equipment skeleton structure according to claim 1, characterized in that: Support angle irons are installed on the device support bracket, and the support angle irons are riveted to the profile beam so that the device support bracket is installed on the profile beam.

6. The carbon fiber electrical cabinet equipment skeleton structure according to claim 1 or 4, characterized in that: Multiple such bearing frames are provided, all located between the top layer frame and the bottom layer frame, and are sequentially distributed along the axial direction of the profile beam.

7. The carbon fiber electrical cabinet equipment skeleton structure according to claim 1, characterized in that: The cross-section of the frame profile is in a shape of "日" (Japanese character). The notch of the frame profile is a structure with an L-shaped cross-section composed of an uncut chamber and the side wall of a cut chamber. The uncut chamber serves as the splicing part, and the side wall of the cut chamber serves as a fin. The splicing parts of two frame profiles at the splicing position are attached to each other, and the fin seals the end opening of the splicing part of another frame profile.

8. The carbon fiber electrical cabinet equipment skeleton structure according to claim 6, characterized in that: Grooves are formed on the circumferential surface of the bottom layer frame for accommodating the carbon fiber cloth.

9. The carbon fiber electrical cabinet equipment skeleton structure according to claim 1, characterized in that: The top layer frame is formed by splicing multiple border profiles, and the splicing positions of the border profiles are adhesively fixed.

10. An electrical cabinet device, characterized in that: Use the carbon fiber electrical cabinet equipment skeleton structure according to any one of claims 1-9.

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