Section bar for forming frame structure, electrical cabinet body and frequency converter
By employing a closed design with 6-fold profile beams and arch-type reinforcing beams in the profile frame structure, the strength and stiffness issues of 8MF profiles under severe vibration conditions were resolved, achieving efficient and low-cost cable routing and structural optimization.
Patent Information
- Application Number
- CN202420240345.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-01-31
AI Technical Summary
The existing 8MF profile frame cabinet is insufficient in strength and rigidity under harsh vibration conditions such as marine applications. Conventional reinforcement solutions are costly and complex to design, and cable layout is difficult.
The structure adopts a 6-fold profile beam structure, with the addition of arch-shaped reinforcing beams to form a closed structure. The main beam and the reinforcing beam are stacked and connected, and through holes are designed to simplify cable wiring.
It significantly enhances the structural strength and rigidity of the profiles, reduces material and processing costs, simplifies cable wiring, and maintains the uniformity and aesthetics of the products.
Smart Images
Figure CN222339239U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a profile, in particular to a profile used for forming a frame structure, an electrical cabinet and a frequency converter. Background Art
[0002] At present, the main load-bearing beam of the standard 8MF profile frame cabinet is an open structure, and its strength cannot meet the requirements under the application conditions with extremely severe vibration conditions such as marine applications. In addition, the standard 8MF profile frame structure has poor rigidity. Under the application conditions with extremely severe vibration conditions such as marine applications, the acceleration value of the response point is too large to meet the standard requirements. The reinforcement scheme of the conventional 8MF profile cabinet is seriously non-standardized, complex to process, and has poor versatility. The reinforcement scheme of the conventional 8MF profile electrical cabinet has poor wiring process performance, which significantly increases the difficulty of cable layout.
[0003] In the prior art, in order to solve the above problems, the following solutions are usually adopted. First, in application environments with very severe vibration conditions such as marine applications, a non-standard cabinet structure with higher cost and more complex design is redesigned to replace the standard 8MF profile cabinet. Second, for application environments with very severe vibration conditions such as marine applications, dozens of cross beams are added between the vertical beams of the standard 8MF main frame to increase the rigidity of the cabinet. Third, multiple auxiliary structural parts are added to ensure the process rationality of the cable layout inside the cabinet. These solutions have a series of problems such as high cost and more complex design. Utility Model Content
[0004] In view of this, the purpose of the utility model is to provide a profile, an electrical cabinet and a frequency converter for forming a frame structure, wherein the profile significantly enhances the strength and rigidity of the structure and has high versatility.
[0005] According to one aspect of the utility model, a profile for forming a frame structure is proposed, the profile extends along a longitudinal axis and has a profile cross-section perpendicular to the longitudinal axis, the profile includes: a main beam, having a main beam cross-section perpendicular to the longitudinal axis, when viewed from the main beam cross-section, the main beam includes at least four main sections connected in sequence, a corner is formed between every two adjacent main sections, the corners formed by the at least four main sections include at least three right-angled corners, and the main beam also includes an open side so that the main beam cross-section is an open cross-section, the main beam cross-section constitutes a part of the profile cross-section; a reinforcing beam, having a reinforcing beam cross-section perpendicular to the longitudinal axis, the reinforcing beam cross-section constitutes a part of the profile cross-section, wherein, when viewed from the profile cross-section, the reinforcing beam is arranged on the open side of the main beam, defines the closed inner cavity of the profile together with the main beam, and the reinforcing beam is recessed from the open side of the main beam toward the inside of the main beam.
[0006] In an exemplary embodiment, the at least four main sections of the main beam include: a first main section, a second main section, a third main section, a fourth main section, a fifth main section, a sixth main section and a seventh main section connected in sequence, wherein the corner between the first main section and the second main section, the corner between the fourth main section and the fifth main section, the corner between the fifth main section and the sixth main section and the corner between the sixth main section and the seventh main section are all right angle corners; wherein the reinforcement beam includes at least a first reinforcement section, a fourth reinforcement section and an intermediate reinforcement section located between the first reinforcement section and the fourth reinforcement section, a first reinforcement corner is formed between the first reinforcement section and the intermediate reinforcement section, and a third reinforcement corner is formed between the fourth reinforcement section and the intermediate reinforcement section; and wherein the first main section of the main beam and the fourth reinforcement section of the reinforcement beam are overlapped and fixedly connected together, and the seventh main section of the main beam and the first reinforcement section of the reinforcement beam are overlapped and fixedly connected together.
[0007] In an exemplary embodiment, the middle reinforcement section of the reinforcement beam includes a second reinforcement section and a third reinforcement section connected to each other, forming a second reinforcement corner between the second reinforcement section and the third reinforcement section; wherein the second reinforcement section is connected to the first reinforcement section, and the third reinforcement section is connected to the fourth reinforcement section; and wherein the second reinforcement section and the third reinforcement section are recessed toward the direction of the main beam.
[0008] In an exemplary embodiment, observing from the cross section of the profile: the first main body section, the fifth main body section, and the seventh main body section extend in directions parallel to each other; and the second main body section, the fourth main body section, and the sixth main body section extend in directions parallel to each other.
[0009] In an exemplary embodiment, when observing the profile cross section, the length of the fifth body segment is greater than the length of the first body segment, and the length of the first body segment is greater than the length of the seventh body segment.
[0010] In an exemplary embodiment, when viewed from the profile cross section, the length of the fourth body segment is greater than the length of the sixth body segment and is also greater than the length of the second body segment.
[0011] In an exemplary embodiment, observing from the cross section of the profile: the first reinforcement section and the fourth reinforcement section extend in directions parallel to each other, the fourth reinforcement section is perpendicular to the third reinforcement section, the angle between the third reinforcement section and the second reinforcement section is 135 degrees, and the angle between the second reinforcement section and the first reinforcement section is 135 degrees.
[0012] In an exemplary embodiment, a group of through holes arranged along the longitudinal axis are formed on the first reinforcement section, the second reinforcement section, the third reinforcement section, and the fourth reinforcement section.
[0013] In an exemplary embodiment, the through holes on the first reinforcement section and the fourth reinforcement section are first through holes, and the through holes on the second reinforcement section and the third reinforcement section are second through holes, and the diameter of the first through holes is greater than the diameter of the second through holes.
[0014] According to another aspect of the present invention, an electrical cabinet is provided. The electrical cabinet has a frame structure. The frame structure includes any one of the above-mentioned profiles for forming the frame structure.
[0015] According to another aspect of the utility model, a frequency converter is provided, the frequency converter comprising an electrical cabinet, the electrical cabinet having a frame structure, and the frame structure comprising any one of the above-mentioned profiles for forming the frame structure.
[0016] By means of the profiles, electrical cabinets and frequency converters used to form the frame structure of the utility model, at least the following beneficial technical effects can be achieved.
[0017] First, for applications such as marine applications where vibration conditions are extremely severe, there is no need to replace the 8MF frame structure with a more expensive and complex non-standard design, which significantly reduces material costs, processing costs, design work, design difficulty, and design time, while maintaining the structural uniformity and similarity of the same products.
[0018] Second, the reinforcing beam is simple to process and has high versatility, thus conforming to the standardized design concept of profile cabinets.
[0019] Third, the design of the through hole (i.e., modular hole) of the profile significantly reduces the difficulty of cable wiring and improves the processability, rationality and aesthetics of cable wiring. The frame structure of the electrical cabinet used for the inverter does not require additional wiring auxiliary structural parts, reducing material costs, labor assembly costs and the overall weight of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that those skilled in the art will be more aware of the above and other features and advantages of the present invention. In the accompanying drawings:
[0021] Figure 1 The present invention is a schematic cross-sectional view of a profile used to form a frame structure in the prior art.
[0022] Figure 2 is a schematic cross-sectional view of a profile for forming a frame structure according to an exemplary embodiment of the present utility model.
[0023] Figure 3 It is a schematic cross-sectional view of a main beam of a profile for forming a frame structure according to an exemplary embodiment of the utility model.
[0024] Figure 4 It is a schematic three-dimensional diagram of a main beam of a profile used to form a frame structure according to an exemplary embodiment of the utility model.
[0025] Figure 5 It is a schematic perspective view of a reinforcing beam of a profile used to form a frame structure according to an exemplary embodiment of the present utility model.
[0026] Figure 6 It is a schematic cross-sectional view of a reinforcing beam of a profile for forming a frame structure according to an exemplary embodiment of the present invention.
[0027] Figure 7 It is a schematic perspective view of a part of a frame structure of an electrical cabinet for a frequency converter according to an exemplary embodiment of the present utility model.
[0028] Figure 8 It is a schematic perspective view of a profile for forming a frame structure according to an exemplary embodiment of the present utility model.
[0029] The reference numerals are as follows:
[0030] 100. Main beam
[0031] 101. First main section
[0032] 102. Second main section
[0033] 103. The third main section
[0034] 104. The fourth main section
[0035] 105. Fifth Main Section
[0036] 106. The sixth main section
[0037] 107. Seventh Main Section
[0038] 111. First main corner
[0039] 112. Second main corner
[0040] 113. The third main corner
[0041] 114. The fourth main corner
[0042] 115. Fifth main corner
[0043] 116. Sixth main corner
[0044] 200. Strengthening beam
[0045] 201. First Strengthening Section
[0046] 202. Second Strengthening Section
[0047] 203. The third reinforced section
[0048] 204, Fourth Strengthening Section
[0049] 211. First Strengthened Corner
[0050] 212. Second Strengthening Corner
[0051] 213. The third reinforced corner
[0052] 221. First through hole
[0053] 222. Second through hole
[0054] α, angle
[0055] W1, first width
[0056] W2, second width
[0057] W3, third width
[0058] L1, first length
[0059] L2, second length
[0060] L3, third length DETAILED DESCRIPTION
[0061] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail with reference to the following embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The nouns and pronouns about people in this patent application are not limited to specific genders.
[0062] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form as well.
[0063] First, please refer to Figure 1 , shows a schematic cross-sectional view of a prior art profile for forming a frame structure. This prior art profile is an 8MF profile, which is a 5-fold beam, that is, it has 5 bends, which can also be called 5 corners. This profile is an open structure, and its strength may not meet the requirements under the application conditions of very severe vibration conditions such as marine applications.
[0064] Reference Figure 2 , shows a schematic cross-sectional view of a profile for forming a frame structure according to an exemplary embodiment of the utility model. An embodiment of the utility model optimizes the 8MF profile of the prior art from a 5-fold beam to a 6-fold profile beam, and correspondingly adds a standard arch bridge type structural member, that is, adds an arch bridge type reinforcement beam, so that the profile is optimized from an open structure to a closed structure as a whole, which significantly enhances the strength and rigidity of the structure. Figure 8 , which shows a schematic stereogram of a profile, and the structure of the profile of the utility model can be easily understood. The profile mainly includes a main beam 100 and a reinforcing beam 200. The profile can be an 8MF profile.
[0065] Reference Figure 8 , the profile extends along the longitudinal axis, with reference to Figure 2 The profile has a profile cross section perpendicular to the longitudinal axis. The main beam 100 has a main beam cross section perpendicular to the longitudinal axis, referring to Figure 3, observed from the cross section of the main beam, the main beam 100 includes at least four main sections connected in sequence, preferably seven main sections, a corner is formed between every two adjacent main sections, and the corners formed by at least four main sections include at least three right-angle corners, and the main beam 100 also includes an open side, so that the cross section of the main beam is an open cross section, and the cross section of the main beam constitutes a part of the profile cross section. Figure 2 and Figure 6 The reinforcing beam 200 has a reinforcing beam cross section perpendicular to the longitudinal axis, and the reinforcing beam cross section constitutes a part of the profile cross section. Figure 6 The cross section of the reinforcing beam 200 is clearly shown in FIG.
[0066] Reference Figure 2 , observed from the cross section of the profile, the reinforcing beam 200 is arranged on the open side of the main beam 100, and together with the main beam 100 defines a closed inner cavity of the profile, and the reinforcing beam 200 is recessed from the open side of the main beam 100 toward the inside of the main beam 100.
[0067] Reference Figure 3 The main beam 100 may include 7 main sections, which are a first main section 101, a second main section 102, a third main section 103, a fourth main section 104, a fifth main section 105, a sixth main section 106 and a seventh main section 107 which are connected in sequence.
[0068] A first main body corner 111 is formed between the first main body section 101 and the second main body section 102, a second main body corner 112 is formed between the second main body section 102 and the third main body section 103, a third main body corner 113 is formed between the third main body section 103 and the fourth main body section 104, a fourth main body corner 114 is formed between the fourth main body section 104 and the fifth main body section 105, a fifth main body corner 115 is formed between the fifth main body section 105 and the sixth main body section 106, and a sixth main body corner 116 is formed between the sixth main body section 106 and the seventh main body section 107.
[0069] from Figure 2 It can be seen that the first body corner 111 between the first body section 101 and the second body section 102, the fourth body corner 114 between the fourth body section 104 and the fifth body section 105, the fifth body corner 115 between the fifth body section 105 and the sixth body section 106, and the sixth body corner 116 between the sixth body section 106 and the seventh body section 107 are all right angle corners. The first body section 101, the fifth body section 105, and the seventh body section 107 extend in directions parallel to each other; and the second body section 102, the fourth body section 104, and the sixth body section 106 extend in directions parallel to each other.
[0070] Reference Figure 2 , observed from the profile cross section: the length of the fifth body section 105 is greater than the length of the first body section 101, and the length of the first body section 101 is greater than the length of the seventh body section 107. The length of the fourth body section 104 is greater than the length of the sixth body section 106 and also greater than the length of the second body section 102.
[0071] Reference Figure 2 , Figure 5 and Figure 6 The reinforcement beam 200 at least includes a first reinforcement section 201, a fourth reinforcement section 204 and an intermediate reinforcement section between the first reinforcement section 201 and the fourth reinforcement section 204, a first reinforcement corner 211 is formed between the first reinforcement section 201 and the intermediate reinforcement section, and a third reinforcement corner 213 is formed between the fourth reinforcement section 204 and the intermediate reinforcement section. Figure 2 The first main body section 101 of the main beam 100 is overlapped and fixedly connected with the fourth reinforcement section 204 of the reinforcement beam 200 , and the seventh main body section 107 of the main beam 100 is overlapped and fixedly connected with the first reinforcement section 201 of the reinforcement beam 200 .
[0072] Reference Figure 2 and Figure 6 It can be seen that the middle reinforcement section of the reinforcement beam 200 includes a second reinforcement section 202 and a third reinforcement section 203 connected to each other, and a second reinforcement corner 212 is formed between the second reinforcement section 202 and the third reinforcement section 203; the second reinforcement section 202 is connected to the first reinforcement section 201, and the third reinforcement section 203 is connected to the fourth reinforcement section 204; and the second reinforcement section 202 and the third reinforcement section 203 are recessed toward the direction of the main beam 100.
[0073] Reference Figure 2 and Figure 6 It can be seen that the first reinforcement section 201 and the fourth reinforcement section 204 extend in parallel directions, the fourth reinforcement section 204 is perpendicular to the third reinforcement section 203, the angle α between the second reinforcement section 202 and the third reinforcement section 203 is 135 degrees, and the angle between the first reinforcement section 201 and the second reinforcement section 202 is also 135 degrees.
[0074] The reinforcing beam 200 may have a fixed size, and is easy to manufacture and has high versatility. Figure 6In an exemplary embodiment, measured on a cross section of the reinforcing beam 200, a first width W1 of the reinforcing beam 200 may be in a range of 51 mm to 61 mm, for example, 56 mm; a second width W2 of the reinforcing beam 200 may be in a range of 28.5 mm to 38.5 mm, for example, 33.5 mm; a third width W3 of the reinforcing beam 200, that is, a thickness of the reinforcing beam 200, may be in a range of 2 mm to 6 mm, for example, 4 mm; a first length L1 of the reinforcing beam 200 may be in a range of 62 mm to 72 mm, for example, 67 mm; a second length L2 of the reinforcing beam 200 may be in a range of 21 mm to 31 mm, for example, 26 mm; a third length L3 of the reinforcing beam 200 may be in a range of 17 mm to 27 mm, for example, 22 mm.
[0075] Reference Figure 5 It can be seen that a group of through holes arranged along the longitudinal axis are formed on the first reinforcement section 201, the second reinforcement section 202, the third reinforcement section 203 and the fourth reinforcement section 204 of the reinforcement beam 200.
[0076] In particular, the through holes on the first reinforcement section 201 and the fourth reinforcement section 204 are first through holes 221, and the through holes on the second reinforcement section 202 and the third reinforcement section 203 are second through holes 222. The diameter of the first through hole 221 is greater than the diameter of the second through hole 222. Through holes of different diameters, i.e., modular holes, are designed on the reinforcement beam 200 to facilitate the use of cable ties or other methods to bundle and fix cables. The design of modular holes greatly reduces the difficulty of cable wiring, improves the processability, rationality and aesthetics of cable wiring, and at the same time does not require additional wiring auxiliary structural parts, reducing material costs, labor assembly costs and the overall weight of the product.
[0077] Reference Figure 4 It can be seen that one or more of the first main body section 101, the second main body section 102, the third main body section 103, the fourth main body section 104, the fifth main body section 105, the sixth main body section 106 and the seventh main body section 107 of the main beam 100 may be formed with through holes arranged along the longitudinal axis. Since the first main body section 101 of the main beam 100 is overlapped with the fourth reinforcement section 204 of the reinforcement beam 200, a group of through holes aligned with the first through holes 221 may be formed on the first main body section 101 of the main beam 100. The arrangement of the through holes on each main body section of the main beam 100 may be adjusted accordingly according to the specific application scenario, for example, the spacing of the through holes on the seventh main body section 107 of the main beam 100 is larger than the spacing of the through holes on the first main body section 101. The through holes on the main beam 100 and the reinforcement beam 200 can reduce the difficulty of cable wiring and reduce the weight of the profile.
[0078] The utility model also provides a frame structure of an electrical cabinet for a frequency converter, wherein the frame structure comprises a profile designed according to the above-mentioned method, and the frequency converter can be applied to ships. Figure 7 It is a schematic perspective view of a part of a frame structure of an electrical cabinet for a frequency converter according to an exemplary embodiment of the present utility model. Figure 7 Two profiles are shown in the figure, which are combined to form a part of the frame structure of the electrical cabinet for the frequency converter. The two profiles are connected by a known connector. The frame structure of the electrical cabinet for the frequency converter of the utility model can be applied to application environments with very severe vibration conditions such as ships, without replacing the 8MF frame structure with a more expensive and complex non-standard design, significantly reducing material costs, processing costs, design work, design difficulty and design time, while maintaining the structural uniformity and similarity of the same products.
[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A profile for forming a frame structure, the profile extending along a longitudinal axis and having a profile cross section perpendicular to the longitudinal axis, characterized in that: The profiles include: A main beam (100) having a main beam cross section perpendicular to the longitudinal axis, wherein when viewed from the main beam cross section, the main beam (100) comprises at least four main sections connected in sequence, a corner is formed between every two adjacent main sections, the corners formed by the at least four main sections include at least three right-angle corners, and the main beam (100) further comprises an open side, so that the main beam cross section is an open cross section, and the main beam cross section constitutes a part of the profile cross section; A reinforcing beam (200) having a reinforcing beam section perpendicular to the longitudinal axis, the reinforcing beam section constituting a part of the profile section, Wherein, when observed from the cross section of the profile, the reinforcing beam (200) is arranged on the open side of the main beam (100), and together with the main beam (100) defines a closed inner cavity of the profile, and the reinforcing beam (200) is recessed from the open side of the main beam (100) toward the inside of the main beam (100).
2. The profile for forming a frame structure according to claim 1, characterized in that: The at least four main body sections of the main body beam (100) include: a first main body section (101), a second main body section (102), a third main body section (103), a fourth main body section (104), a fifth main body section (105), a sixth main body section (106) and a seventh main body section (107) connected in sequence, wherein the corner between the first main body section (101) and the second main body section (102), the corner between the fourth main body section (104) and the fifth main body section (105), the corner between the fifth main body section (105) and the sixth main body section (106), and the corner between the sixth main body section (106) and the seventh main body section (107) are all right angle corners; The reinforcing beam (200) comprises at least a first reinforcing section (201), a fourth reinforcing section (204), and an intermediate reinforcing section located between the first reinforcing section (201) and the fourth reinforcing section (204); a first reinforcing corner (211) is formed between the first reinforcing section (201) and the intermediate reinforcing section; and a third reinforcing corner (213) is formed between the fourth reinforcing section (204) and the intermediate reinforcing section. And wherein, the first main body section (101) of the main beam (100) and the fourth reinforcement section (204) of the reinforcement beam (200) are overlapped and fixedly connected together, and the seventh main body section (107) of the main beam (100) and the first reinforcement section (201) of the reinforcement beam (200) are overlapped and fixedly connected together.
3. The profile for forming a frame structure according to claim 2, characterized in that: The middle reinforcement section of the reinforcement beam (200) comprises a second reinforcement section (202) and a third reinforcement section (203) connected to each other, and a second reinforcement corner (212) is formed between the second reinforcement section (202) and the third reinforcement section (203); Wherein, the second reinforcement section (202) is connected to the first reinforcement section (201), and the third reinforcement section (203) is connected to the fourth reinforcement section (204); And wherein the second reinforcement section (202) and the third reinforcement section (203) are recessed toward the main beam (100).
4. The profile for forming a frame structure according to claim 2, characterized in that: Observe from the cross section of the profile: The first main body section (101), the fifth main body section (105), and the seventh main body section (107) extend in directions parallel to each other; and The second main body section (102), the fourth main body section (104), and the sixth main body section (106) extend in directions parallel to each other.
5. The profile for forming a frame structure according to any one of claims 2 to 4, characterized in that: Observing from the cross section of the profile: the length of the fifth main body section (105) is greater than the length of the first main body section (101), and the length of the first main body section (101) is greater than the length of the seventh main body section (107).
6. The profile for forming a frame structure according to any one of claims 2 to 4, characterized in that: Observing from the cross section of the profile: the length of the fourth main body section (104) is greater than the length of the sixth main body section (106) and is also greater than the length of the second main body section (102).
7. The profile for forming a frame structure according to claim 3, characterized in that: Observing from the cross section of the profile: the first reinforcement section (201) and the fourth reinforcement section (204) extend in parallel directions, the fourth reinforcement section (204) is perpendicular to the third reinforcement section (203), the angle between the third reinforcement section (203) and the second reinforcement section (202) is 135 degrees, and the angle between the second reinforcement section (202) and the first reinforcement section (201) is 135 degrees.
8. The profile for forming a frame structure according to claim 3, characterized in that: A group of through holes arranged along the longitudinal axis are formed on the first reinforcement section (201), the second reinforcement section (202), the third reinforcement section (203) and the fourth reinforcement section (204).
9. The profile for forming a frame structure according to claim 8, characterized in that: The through holes on the first reinforcement section (201) and the fourth reinforcement section (204) are first through holes (221), and the through holes on the second reinforcement section (202) and the third reinforcement section (203) are second through holes (222), and the diameter of the first through hole (221) is greater than the diameter of the second through hole (222).
10. The electrical cabinet is characterized in that: The electrical cabinet has a frame structure, and the frame structure includes the profile for forming the frame structure according to any one of claims 1 to 9.
11. A frequency converter, characterized in that: The frequency converter comprises an electrical cabinet having a frame structure, wherein the frame structure comprises the profile for forming the frame structure according to any one of claims 1 to 9.