Power cabinet and converter

Abstract

The utility model relates to a power cabinet and a converter, and relates to the technical field of power electronics. The power cabinet comprises a cabinet body provided with a mounting cavity; the plurality of mounting frames are arranged in sequence and are mounted in the mounting cavity; the guide parts are arranged on the mounting frames, and the extension direction of the guide parts intersects with the arrangement direction of the mounting frames; and the isolation piece is positioned between the two adjacent mounting frames and is in sliding fit with the guide piece. The separator can be slidably connected to the mounting frame along the guide part, and front mounting and fixing of the separator are realized, so that side mounting of an existing separator and space limitation of the separator are avoided. Moreover, through the accurate cooperation of the guide piece and the installation frame, the isolation piece can be stably fixed at a proper position, the effective isolation between the modules in the adjacent installation frames is ensured, the influence of the failure of a certain module on the adjacent modules is reduced, the fault diffusion is prevented, and the reliability of the system is improved.

Description

Power cabinets and converters Technical Field

[0001] This application relates to the field of power electronics technology, and in particular to a power cabinet and converter. Background Technology

[0002] In recent years, with the rapid development of wind power converters and the continuous increase in the capacity of single converters, modules, as essential components of wind power converters, have seen their number increase with the power rating of the converters. To improve space utilization, IGBT (Insulated Gate Bipolar Transistor) modules are often placed on both sides of a liquid cooling plate or heat sink to form double-sided modules. For adjacent modules, isolation protection is required to prevent the failure of one module from spreading to the adjacent module. However, in related technologies, high-power converters cannot directly install isolation components. Therefore, determining how to place isolation components between adjacent modules is a pressing technical problem that needs to be solved. Summary of the Invention

[0003] This application provides a power cabinet and a converter to at least solve some of the above-mentioned technical problems.

[0004] To achieve the above objectives, according to a first aspect of this application, a power cabinet is provided, comprising: a cabinet body having a mounting cavity; a plurality of mounting frames arranged sequentially and all installed within the mounting cavity; a guide member disposed on the mounting frames, the extending direction of the guide member intersecting the arrangement direction of the mounting frames; and an isolation member located between two adjacent mounting frames and slidingly engaging with the guide member.

[0005] In some embodiments, the mounting frame includes a first support member and a second support member, the second support member being spaced apart from the first support member to form an mounting space; the guide member includes: a first guide member disposed on the first support member; and / or a second guide member disposed on the second support member; the isolator is slidably disposed between the first guide member and the first support member, and / or between the second guide member and the second support member, to close the mounting space on at least one side of the mounting frame in the arrangement direction.

[0006] In some embodiments, the first carrier has a first plate and a first connecting plate connected together, the extension direction of the first connecting plate intersecting the extension direction of the first plate; the first guide has a first guide plate and a second guide plate connected together, the first guide plate being disposed on the first plate and located on the side away from the installation space, the second guide plate being located on the side away from the installation space, and the second guide plate and the first connecting plate being spaced apart to form a first guide groove; the end of the isolation member near the first carrier is slidably disposed in the first guide groove;

[0007] and / or

[0008] The second support member has a second plate and a second connecting plate connected together, the extension direction of the second connecting plate intersecting the extension direction of the second plate; the second guide member has a third guide plate and a fourth guide plate connected together, the third guide plate is disposed on the second plate and located on the side away from the installation space, the fourth guide plate is located on the side away from the installation space, and the fourth guide plate and the second connecting plate are spaced apart to form a second guide groove; the end of the isolation member near the second support member is slidably disposed in the second guide groove.

[0009] In some embodiments, the first guide member includes a first connecting portion and a first limiting portion connected together. The first connecting portion is disposed on the side of the first carrier member away from the installation space, and the first limiting portion is located on the side away from the installation space and is spaced apart from the first carrier member to form a third guide groove. The end of the isolation member near the first carrier member is slidably disposed in the third guide groove.

[0010] And / or,

[0011] The second guide member includes a second connecting part and a second limiting part connected together. The second connecting part is located on the side of the second carrier member away from the installation space, and the second limiting part is located on the side away from the installation space and is spaced apart from the second carrier member to form a fourth guide groove. The end of the isolation member near the second carrier member is slidably disposed in the fourth guide groove.

[0012] In some embodiments, the first carrier has a first plate and a first connecting plate connected together, the extension direction of the first connecting plate intersecting the extension direction of the first plate;

[0013] The first guide member has a first guide plate and a second guide plate connected together. The first guide plate is disposed on the first plate body and located on the side away from the installation space. The second guide plate is located on the side away from the installation space, and the second guide plate and the first connecting plate are spaced apart to form a first guide groove. The end of the isolation member near the first bearing member is slidably disposed in the first guide groove.

[0014] And / or,

[0015] The second guide member includes a second connecting part and a second limiting part connected together. The second connecting part is located on the side of the second carrier member away from the installation space, and the second limiting part is located on the side away from the installation space and is spaced apart from the second carrier member to form a fourth guide groove. The end of the isolation member near the second carrier member is slidably disposed in the fourth guide groove.

[0016] In some embodiments, the first guide member includes a first connecting portion and a first limiting portion connected together. The first connecting portion is disposed on the side of the first carrier member away from the installation space, and the first limiting portion is located on the side away from the installation space and is spaced apart from the first carrier member to form a third guide groove. The end of the isolation member near the first carrier member is slidably disposed in the third guide groove.

[0017] And / or,

[0018] The second support member has a second plate and a second connecting plate connected together, the extension direction of the second connecting plate intersecting the extension direction of the second plate; the second guide member has a third guide plate and a fourth guide plate connected together, the third guide plate is disposed on the second plate and located on the side away from the installation space, the fourth guide plate is located on the side away from the installation space, and the fourth guide plate and the second connecting plate are spaced apart to form a second guide groove; the end of the isolation member near the second support member is slidably disposed in the second guide groove.

[0019] In some embodiments, the first carrier has a first plate and a first connecting plate connected together, the extension direction of the first connecting plate intersecting the extension direction of the first plate;

[0020] The first guide member includes a third connecting part and a third limiting part connected together. The third connecting part is disposed on the side of the first connecting plate away from the installation space, and the third limiting part is disposed on the side away from the installation space and spaced apart from the first connecting plate to form a fifth guide groove. The end of the isolation member near the first bearing member is slidably disposed in the fifth guide groove.

[0021] And / or,

[0022] The second carrier has a second plate and a second connecting plate connected together, the extension direction of the second connecting plate intersecting the extension direction of the second plate; the second guide includes a fourth connecting part and a fourth limiting part connected together, the fourth connecting part is disposed on the second connecting plate and located on the side away from the installation space, the fourth limiting part is located on the side away from the installation space and is spaced apart from the second connecting plate to form a sixth guide groove; the end of the isolation member near the second carrier is slidably disposed in the sixth guide groove.

[0023] In some embodiments, two spacers are provided between two adjacent mounting frames.

[0024] In some embodiments, the guide member is connected to at least one end in its extending direction with a folding portion extending away from the installation space; and / or the isolation member is provided with at least one fixing portion extending toward the installation space on at least one side in the extending direction of the guide member.

[0025] According to a second aspect of this application, a converter is also provided, including the power cabinet as described above; and a power module installed within the mounting frame of the power cabinet.

[0026] In the power cabinet and converter of this application embodiment, an isolator is provided between two adjacent mounting frames. This isolator can be slidably connected to the mounting frame along a guide, achieving front mounting and fixation of the isolator, thereby avoiding the side mounting and space limitations of existing isolators. Furthermore, through the precise cooperation between the guide and the mounting frame, the isolator can be firmly fixed in the appropriate position, ensuring effective isolation between modules in adjacent mounting frames, reducing the impact of failure of one module on adjacent modules, preventing fault propagation, and improving system reliability.

[0027] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0030] Figure 1 is a schematic diagram of the overall structure of the power cabinet provided in an exemplary embodiment of this disclosure;

[0031] Figure 2 is a schematic diagram of the split structure of part A in Figure 1, mainly showing the connection diagram of the first load-bearing component, the guide component, and the isolation component;

[0032] Figure 3 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the first exemplary embodiment of this disclosure.

[0033] Figure 4 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the second exemplary embodiment of this disclosure.

[0034] Figure 5 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the third exemplary embodiment of this disclosure.

[0035] Figure 6 is an enlarged view of part B in Figure 2;

[0036] Figure 7 is a schematic diagram of the split structure of part A in Figure 1, mainly showing the connection between the second load-bearing component and the guide component and the isolation component;

[0037] Figure 8 is an enlarged view of part C in Figure 7;

[0038] Figure 9 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the fourth exemplary embodiment of this disclosure.

[0039] Figure 10 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the fifth exemplary embodiment of this disclosure.

[0040] Figure 11 is a schematic diagram of the connection between the installation frame, guide, and isolation component provided in the sixth exemplary embodiment of this disclosure.

[0041] Figure 12 is a schematic diagram of the connection between the installation frame, guide, and isolation component provided in the seventh exemplary embodiment of this disclosure.

[0042] Figure 13 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the eighth exemplary embodiment of this disclosure.

[0043] Figure 14 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in Exemplary Embodiment Nine of this disclosure.

[0044] Figure 15 is a structural diagram showing the connection between the installation frame, guide, and isolation component provided in the tenth exemplary embodiment of this disclosure.

[0045] Figure 16 is a schematic diagram of the structure of the isolation member connected to the fixing part in an exemplary embodiment of this disclosure.

[0046] Explanation of reference numerals in the attached figures:

[0047] 11-Cabinet body; 12-Mounting cavity; 13-Crossbeam; 14-Connector; 15-Capacitor cell;

[0048] 21-Mounting frame; 210-Mounting space;

[0049] 211-First load-bearing component; 2110-First plate; 2111-First connecting plate; 2112-Third connecting plate;

[0050] 212-Second bearing member; 2120-Second plate; 2121-Second connecting plate; 2122-Fourth connecting plate;

[0051] 213 - Back panel; 214 - Blinding panel;

[0052] 31-Guide component;

[0053] 311-First guide member; 3111-First guide plate; 3112-Second guide plate; 3113-First connecting part; 3114-First limiting part; 3115-Third connecting part; 3116-Third limiting part;

[0054] 312-Second guide member; 3121-Third guide plate; 3122-Fourth guide plate; 3123-Second connecting part; 3124-Second limiting part; 3125-Fourth connecting part; 3126-Fourth limiting part;

[0055] 41-First guide groove; 42-Second guide groove; 43-Third guide groove; 44-Fourth guide groove; 45-Fifth guide groove; 46-Sixth guide groove;

[0056] 51-Isolation component; 511-First isolation section; 512-Second isolation section; 513-Third isolation section;

[0057] 521 - Folding part; 522 - Fixing part;

[0058] 61-First mounting hole; 62-Second mounting hole; 63-Third mounting hole;

[0059] X - First direction; Z - Second direction; Y - Third direction. Detailed Implementation

[0060] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0061] In related technologies, due to the compact space of high-power converters, it is impossible to directly install isolation components on the side. At the same time, due to module installation process issues, it is impossible to fix the isolation components to the module in advance.

[0062] To address the aforementioned issues, please refer to Figure 1. This application provides a power cabinet, including a cabinet body 11, multiple mounting frames 21, guide members 31, and an isolator 51. The cabinet body 11 has a mounting cavity 12; the multiple mounting frames 21 are arranged on one side and installed within the mounting cavity 12; the guide members 31 are disposed on the mounting frames 21, and the extending direction of the guide members 31 intersects with the arrangement direction of the mounting frames 21; the isolator 51 is located between two adjacent mounting frames 21 and slides in cooperation with the guide members 31. Therefore, this application provides an isolator 51 between two adjacent mounting frames 21. This isolator 51 can slide along the guide members 31 onto the mounting frames 21, achieving front-mounted installation and fixation of the isolator 51, thereby avoiding the side-mounted and space-limited limitations of existing isolator 51 installations. Furthermore, through the precise cooperation between the guide 31 and the mounting frame 21, the isolator 51 can be firmly fixed in the appropriate position, ensuring effective isolation between modules in adjacent mounting frames 21, reducing the impact of a module failure on adjacent modules, preventing fault propagation, and improving system reliability.

[0063] This application provides a power cabinet, as shown in Figure 1. The power cabinet includes a cabinet body 11, multiple mounting frames 21, guide members 31, and isolation members 51. The cabinet body 11 has a mounting cavity 12; the multiple mounting frames 21 are arranged sequentially along a first direction X and are all installed in the mounting cavity 12; the guide members 31 are disposed on the mounting frames 21; the isolation members 51 are slidably connected to the guide members 31 along a second direction Y and are disposed between two adjacent mounting frames 21.

[0064] The first direction X mentioned in the context is the length direction of the power cabinet, which is also the arrangement direction of the mounting frame 21; the second direction Y is the width direction of the power cabinet, which is also the extension direction of the guide 31; and the third direction Z is the height direction of the power cabinet.

[0065] Referring to Figure 1, a crossbeam 13 can be provided within the mounting cavity 12 of the cabinet 11. The crossbeam 13 provides additional support and rigidity to the cabinet 11, making the entire cabinet 11 structure more stable. The mounting frame 21 is fixed to the crossbeam 13. The crossbeam 13 distributes and bears the weight of the mounting frame 21, preventing excessive load on any single part, thereby improving the load-bearing capacity of the entire cabinet 11. Furthermore, the mounting frame 21 can be fixedly connected to the crossbeam 13 via connectors 14, allowing for flexible adjustment of its position on the crossbeam 13 to adapt to the size and installation requirements of different equipment. In other embodiments, the mounting frame 21 can be fixed to the crossbeam 13 by welding or other methods, which will not be elaborated here.

[0066] Please refer to Figure 2. The mounting frame 21 includes a first support member 211 and a second support member 212. The second support member 212 and the first support member 211 are spaced apart in the third direction Z to form a mounting space 210. The mounting space 210 provides a dedicated space for the module, so that the module can be firmly fixed in the mounting frame 21, reducing displacement or loosening caused by external forces.

[0067] The first support member 211 and the second support member 212 mentioned above are both plate-shaped structures. They are spaced apart in the third direction Z, which can effectively utilize vertical space and allow multiple modules or components to be installed in the same frame, thereby improving the overall space utilization rate.

[0068] In some embodiments, as shown in Figures 2 to 8, the guide member 31 includes at least one of a first guide member 311 and a second guide member 312. The isolator 51 is slidably disposed between the first guide member 311 and the first support member 211, or the isolator 51 is slidably disposed between the second guide member 312 and the second support member 212, or the isolator 51 is slidably disposed between the first guide member 311 and the first support member 211, and between the second guide member 312 and the second support member 212. The guide member 31 provides a clear path and positioning reference, making the installation of the isolator 51 smoother, reducing alignment and adjustment time during installation, and improving installation efficiency.

[0069] Specifically, referring to Figure 3, in this embodiment, the first support member 211 has a first plate 2110 and a first connecting plate 2111 connected together, and the extending direction of the first connecting plate 2111 intersects the extending direction of the first plate 2110. It can be understood that the first plate 2110 is connected to at least one end in the first direction X by the first connecting plate 2111, and the first connecting plate 2111 is angled to the first plate 2110. Figure 3 illustrates that the first connecting plate 2111 and the first plate 2110 are angled.

[0070] The first guide member 311 has a first guide plate 3111 and a second guide plate 3112 connected together. The first guide plate 3111 is disposed on the first plate body 2110 and located on the side away from the installation space 210. The second guide plate 3112 is located on the side away from the installation space 210, and the second guide plate 3112 and the first connecting plate 2111 are spaced apart to form a first guide groove 41. It can be understood that the first guide plate 3111 is disposed on the upper surface of the first plate body 2110, the second guide plate 3112 is disposed at an angle to the first guide plate 3111, and the gap between the second guide plate 3112 and the first connecting plate 2111 forms the first guide groove.

[0071] The end of the isolator 51 closest to the first support member 211 is slidably disposed within the first guide groove 41. The first guide groove 41 provides a clear path and positioning reference for the isolator 51, making installation smoother, reducing alignment and adjustment time during installation, and improving installation efficiency. Furthermore, one end of the isolator 51 (the end closest to the first support member 211) can be constrained to a fixed position by the first guide groove 41, while the other end (the end furthest from the first support member 211) can be fixed to the second support member 212 by means of snap-fit, welding, or other methods.

[0072] Referring to Figure 4, in this embodiment, the second support member 212 has a connected second plate 2120 and a second connecting plate 2121, the extension direction of the second connecting plate 2121 intersecting the extension direction of the second plate 2120. It is understood that the second plate 2120 is connected to at least one end of the second plate 2120 in the first direction X, and the second connecting plate 2121 is angled to the second plate 2120. Figure 4 illustrates that the second connecting plate 2121 and the second plate 2120 are angled.

[0073] The end of the isolator 51 closest to the second support member 212 is slidably disposed within the second guide groove 42. The second guide groove 42 provides a clear path and positioning reference for the isolator 51, making installation smoother, reducing alignment and adjustment time during installation, and improving installation efficiency. Furthermore, one end of the isolator 51 (the end closest to the second support member 212) can be constrained to a fixed position by the second guide groove 42, while the other end (the end furthest from the second support member 212) can be fixed to the second support member 212 by means of snap-fit, welding, or other methods.

[0074] Please refer to Figures 2 and 5 through 8. In this embodiment, the power cabinet includes at least some of the technical solutions in the embodiments of Figures 3 and 4. The difference is that the end of the isolator 51 near the first support member 211 is slidably disposed in the first guide groove 41, and the end of the isolator 51 near the second support member 212 is slidably disposed in the second guide groove 42. Therefore, the two guide grooves provide clear paths and constraints, ensuring that the isolator 51 remains stable within the sliding range and is fixed in the two guide grooves after sliding, without the need for additional fixing of the isolator 51. This not only improves the positioning accuracy and installation efficiency of the isolator 51, but also enhances the structural stability and safety of the cabinet 11, while optimizing the spatial layout of the cabinet 11 and simplifying maintenance.

[0075] In the three examples above, the isolator 51 is a straight plate structure. The position of the isolator 51 can be adjusted according to the size of different mounting frames 21 and installation requirements to adapt to different application scenarios.

[0076] Referring to Figure 9, in this embodiment, the first guide member 311 includes a first connecting portion 3113 and a first limiting portion 3114 connected together. The first connecting portion 3113 is disposed on the side of the first carrier member 211 away from the installation space 210 in the third direction Z. The first limiting portion 3114 is located on the side away from the installation space 210 and is spaced apart from the first carrier member 211 to form a third guide groove 43 extending along the second direction Y. The end of the isolator 51 near the first carrier member 211 is slidably disposed within the third guide groove 43. Therefore, the third guide groove 43 provides a defined sliding path, allowing the isolator 51 to move precisely along the second direction Y during installation and adjustment, and to be fixed within the third guide groove 43 after sliding.

[0077] Referring to Figure 10, in this embodiment, the second guide member 312 includes a connected second connecting portion 3123 and a limiting portion 3124. The second connecting portion 3123 is disposed on the second support member 212 in the third direction Z and is located on the side away from the installation space 210. The second limiting portion 3124 is spaced apart from the side of the second support member 212 away from the installation space 210 to form a fourth guide groove 44 extending along the second direction Y. The end of the isolator 51 near the second support member 212 is slidably disposed within the fourth guide groove 44. Therefore, the fourth guide groove 44 provides a defined sliding path, allowing the isolator 51 to move precisely along the second direction Y during installation and adjustment, and to be fixed within the fourth guide groove 44 after sliding.

[0078] Please refer to Figure 11. In this embodiment, the power cabinet includes at least some of the technical solutions in the embodiments of Figures 9 and 10. The difference is that the end of the isolator 51 near the first support member 211 is slidably disposed in the third guide groove 43, and the end of the isolator 51 near the second support member 212 is slidably disposed in the fourth guide groove 44. Therefore, the two guide grooves provide clear paths and constraints, ensuring that the isolator 51 remains stable within the sliding range and is fixed in the two guide grooves after sliding, without the need for additional fixing of the isolator 51. This not only improves the positioning accuracy and installation efficiency of the isolator 51, but also enhances the structural stability and safety of the cabinet 11, while optimizing the spatial layout of the cabinet 11 and simplifying maintenance.

[0079] Referring to Figure 9, the isolating member 51 includes a first isolating portion 511 and a second isolating portion 512 connected together. The first isolating portion 511 extends along a first direction X and is disposed within a third guide groove 43. One end of the second isolating portion 512 is connected to the first isolating portion 511 in a third direction Z, and the other end is connected to the second support member 212. Therefore, by sliding the first isolating portion 511 into and fixing it within the third guide groove 43, the end of the isolating member 51 near the first support member 211 can be initially fixed, which helps to reduce the difficulty of fixing the isolating member 51 and improves installation efficiency.

[0080] Referring to Figure 10, the isolating member 51 includes a second isolating portion 512 and a third isolating portion 513 connected together. The third isolating portion 513 extends along the first direction X and is disposed within the fourth guide groove 44. One end of the second isolating portion 512 in the third direction Z is connected to the third isolating portion 513, and the other end is connected to the first support member 211. Therefore, by sliding the third isolating portion 513 into and fixing it within the fourth guide groove 44, the end of the isolating member 51 near the second support member 212 can be initially fixed, which helps to reduce the difficulty of fixing the isolating member 51 and improves installation efficiency.

[0081] The isolation component 51 shown in Figures 9 and 10 has an L-shaped structure, which can enhance its structural stability and prevent the isolation component 51 from slipping out of the guide groove during the sliding process. This provides a stable connection and support for the power cabinet, reduces the risk of the power cabinet loosening or falling off, and improves the overall safety of the system.

[0082] Referring to Figure 11, in this embodiment, the isolator 51 includes a first isolator 511, a second isolator 512, and a third isolator 513 connected together. The first isolator 511 is spaced apart from the third isolator 513 in the third direction Z. The second isolator 512 is connected between the first isolator 511 and the second isolator 513. The first isolator 511 is disposed in the third guide groove 43, and the third isolator 513 is disposed in the fourth guide groove 44. The isolator 51 in Figure 11 is generally C-shaped. The position of the isolator 51 can be adjusted according to the size of different mounting frames 21 and installation requirements to adapt to different application scenarios.

[0083] Referring to Figure 12, in this embodiment, the first guide member 311 includes a first guide plate 3111 and a second guide plate 3112 connected together. The first guide plate 3111 is disposed in the second direction Z on the side of the first support member 211 away from the mounting space 210. The second guide plate 3112 is connected to the first guide plate 3111 in the second direction Z, and the second guide plate 3112 is disposed opposite to the first connecting plate 2111 to form a first guide groove 41 extending in the third direction Y. The second guide member 312 includes a second connecting portion 3123 and a second limiting portion 3124 connected together. The second connecting portion 3123 is disposed in the second direction Z on the side of the second support member 212 away from the mounting space 210. The second limiting portion 3124 is spaced apart from the side of the second support member 212 away from the mounting space 210 to form a fourth guide groove 44 extending in the third direction Y. Therefore, the two guide slots provide clear paths and constraints, ensuring that the isolator 51 remains stable within the sliding range and is fixed in the two guide slots after sliding, without the need for additional fixing of the isolator 51. This not only improves the positioning accuracy and installation efficiency of the isolator 51, but also enhances the structural stability and safety of the cabinet 11, while optimizing the spatial layout of the cabinet 11 and simplifying maintenance work.

[0084] Referring to Figure 13, in this embodiment, the first support member 211 has a first plate 2110 and a first connecting plate 2111 connected together, and the extending direction of the first connecting plate 2111 intersects the extending direction of the first plate 2110. It is understood that the first plate 2110 is connected to at least one end of the first plate 2110 in the first direction X, and the first connecting plate 2111 is angled to the first plate 2110. Figure 13 illustrates that the first connecting plate 2111 and the first plate 2110 are angled.

[0085] The first guide member 311 includes a third connecting portion 3115 and a third limiting portion 3116 connected along the third direction Z. The third connecting portion 3115 is disposed on the side of the first connecting plate 2111 that is away from the installation space 210, and the third limiting portion 3116 is disposed on the side that is away from the installation space 210 and is spaced apart from the first connecting plate 2111 to form a fifth guide groove 45.

[0086] The end of the isolator 51 closest to the first support member 211 is slidably disposed within the fifth guide groove 45. The fifth guide groove 45 provides a clear path and positioning reference for the isolator 51, making installation smoother, reducing alignment and adjustment time during installation, and improving installation efficiency. Furthermore, one end of the isolator 51 (the end closest to the first support member 211) can be fixed in a fixed position by the fifth guide groove 45, while the other end (the end furthest from the first support member 211) can be fixed to the second support member 212 by means of snap-fit, welding, or other methods.

[0087] Referring to Figure 14, in this embodiment, the second support member 212 has a connected second plate 2120 and a second connecting plate 2121, the extension direction of the second connecting plate 2121 intersecting the extension direction of the second plate 2120. It is understood that the second plate 2120 is connected to at least one end of the second plate 2121 in the first direction X, and the second connecting plate 2121 is angled to the second plate 2120. Figure 14 illustrates that the second connecting plate 2121 and the second plate 2120 are angled.

[0088] The second guide member 312 includes a fourth connecting portion 3125 and a fourth limiting portion 3126 connected along the third direction Z. The fourth connecting portion 3125 is disposed on the second connecting plate 2121 and located on the side away from the installation space 210. The fourth limiting portion 3126 is located on the side away from the installation space 210 and is spaced apart from the second connecting plate 2121 to form a sixth guide groove 46.

[0089] The end of the isolator 51 closest to the second support member 212 is slidably disposed within the sixth guide groove 46. The sixth guide groove 46 provides a clear path and positioning reference for the isolator 51, making installation smoother, reducing alignment and adjustment time during installation, and improving installation efficiency. Furthermore, one end of the isolator 51 (the end closest to the second support member 212) can be constrained to a fixed position by the sixth guide groove 46, while the other end (the end furthest from the second support member 212) can be fixed to the second support member 212 by snap-fitting, welding, or other methods.

[0090] Referring to Figure 15, in this embodiment, the end of the isolator 51 near the first support member 211 is slidably disposed in the fifth guide groove 45, and the end of the isolator 51 near the second support member 212 is slidably disposed in the sixth guide groove 46. Therefore, the two guide grooves provide clear paths and constraints, ensuring that the isolator 51 remains stable within its sliding range and is fixed within the two guide grooves after sliding, without requiring additional fixing of the isolator 51. This not only improves the positioning accuracy and installation efficiency of the isolator 51 but also enhances the structural stability and safety of the cabinet 11, while optimizing the spatial layout of the cabinet 11 and simplifying maintenance.

[0091] Please refer to Figures 1 and 16. Two spacers 51 are provided between two adjacent mounting frames 21. In one mounting frame 21, the two spacers 51 are spaced apart in the first direction X and are connected to the first support member 211 and the second support member 212 to form a mounting space 210. The mounting space 210 can be used to place the module and the components for connecting to the module.

[0092] Two isolators 51 are provided between the two adjacent mounting frames 21 to enhance the isolation and protection performance of the modules. Specifically, when a module fails (e.g., due to an explosion), the failed module will damage the isolator 51 closest to it. However, due to the presence of the other isolator 51, the modules adjacent to the failed module will not be affected by flying debris, preventing the fault from spreading and improving the reliability of the system.

[0093] Since isolation members 51 are provided on both sides of the mounting frame 21 in the first direction X, the two guide members 31 provided on the first support member 211 or the second support member 212 can be integrally formed. For example, Figure 11 shows that the two second guide members 312 provided on the second support member 212 are integrally formed. This structure facilitates the improvement of the installation efficiency of the guide members 31 and the support plate.

[0094] Please refer to Figures 2 and 6 to 8. The guide member 31 has a folding portion 521 connected to at least one end in the second direction Y. The folding portion 521 extends away from the installation space 210. When the isolator 51 is installed in the front, the folding portion 521 can limit the isolator 51 and guide the isolator 51 to slide to a fixed position.

[0095] The power cabinet also includes a back panel 213 and a shield 214, which are spaced apart in the second direction Y. In a mounting frame 21, two isolation members 51, a first support member 211, a second support member 212, a back panel 213, and a shield 214 are interconnected to form a closed mounting space 210 to further enhance the isolation and protection performance of the module.

[0096] The first support member 211 is connected to a third connecting plate 2112 on at least one side of the second direction Y, and the third connecting plate 2112 extends along the third direction Z. The second support member 212 is connected to a fourth connecting plate on at least one side of the second direction Y, and the fourth connecting plate extends along the third direction Z.

[0097] Please refer to Figures 6, 8 and 16. At least one of the third connecting plate 2112 and the fourth connecting plate is provided with a first mounting hole 61, and the shielding plate 214 is provided with a second mounting hole 62. When the shielding plate 214 is installed on the third connecting plate 2112 and the fourth connecting plate, bolts are sequentially inserted into the second mounting hole 62 and the first mounting hole 61 to fix the shielding plate 214 and form a closed installation space 210.

[0098] Furthermore, the isolating member 51 has at least one fixing part 522 extending toward the mounting space 210 on at least one side in the second direction Y. Figure 16 illustrates a fixing part 522 extending along the first direction X and toward the mounting space. The fixing part 522 has a third mounting hole 63. When the baffle plate 214 is installed on the third connecting plate 2112 and the fourth connecting plate, bolts are inserted into the third mounting hole 63, the second mounting hole 62, and the first mounting hole 61 to simultaneously fix the baffle plate 214 and the isolating member 51, forming a closed mounting space 210.

[0099] In other embodiments, at least one of the third connecting plate 2112 and the fourth connecting plate is a magnetic element, so that the metal shielding plate 214 can be directly installed on the third connecting plate 2112 and the fourth connecting plate to enclose the installation space 210.

[0100] This application also provides a converter, including the aforementioned power cabinet and a power module, the power module being installed within the mounting frame 21 of the power cabinet. The converter includes a main circuit, a trigger circuit (or drive circuit), and a control circuit. The main circuit includes a rectifier circuit, an inverter circuit, an AC conversion circuit, and a DC conversion circuit, etc. The trigger circuit (or drive circuit) is used to control the on / off state of the power switching elements, and the control circuit is used to regulate and control the electrical energy. The power module can be a circuit of the aforementioned converter, or a module composed of one or more modules from a certain circuit combined with other components; no particular limitation is made here. For example, the power module can be a double-sided module formed by an IGBT module and a liquid cooling plate or heat sink on both sides.

[0101] The assembly process of the above-mentioned converter is roughly as follows:

[0102] (1) Install multiple guide components 31 on the mounting frame 21;

[0103] (2) The mounting frame 21 is connected and fixed to the capacitor cell 15, wherein the guide 31 will not affect the connection between the mounting frame 21 and the capacitor cell 15.

[0104] (3) Insert the isolation plate into the guide 31 and fix the isolation plate;

[0105] (4) Install the shield 214 so that the shield 214 is fixedly connected to the mounting frame 21.

[0106] The isolator 51 in the aforementioned converter can be slidably connected to the mounting frame 21 along the guide 31, achieving front-mounted and fixed installation of the isolator 51, thus avoiding the side-mounted and space-limited limitations of existing isolators 51. Furthermore, through the precise fit between the guide 31 and the mounting frame 21, the isolator 51 can be securely fixed in the appropriate position, ensuring effective isolation between modules within adjacent mounting frames 21, reducing the impact of a single module failure on adjacent modules, preventing fault propagation, and improving system reliability.

[0107] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0108] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0109] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0110] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A power cabinet, characterized in that, include: The cabinet has a mounting cavity; multiple mounting frames are arranged sequentially and all are installed in the mounting cavity; A guide member is disposed on the mounting frame, and the extending direction of the guide member intersects with the arrangement direction of the mounting frame; and a spacer member is located between two adjacent mounting frames and slides with the guide member.

2. The power cabinet according to claim 1, characterized in that, The mounting frame includes a first support member and a second support member, the second support member being spaced apart from the first support member to form an mounting space; the guide member includes: a first guide member disposed on the first support member; and / or a second guide member disposed on the second support member; the isolator is slidably disposed between the first guide member and the first support member, and / or between the second guide member and the second support member, to close the mounting space on at least one side of the mounting frame in the arrangement direction.

3. The power cabinet according to claim 2, characterized in that, The first support member has a first plate and a first connecting plate connected together, the extension direction of the first connecting plate intersecting the extension direction of the first plate; the first guide member has a first guide plate and a second guide plate connected together, the first guide plate being disposed on the first plate and located on the side away from the installation space, the second guide plate being located on the side away from the installation space, and the second guide plate and the first connecting plate being spaced apart to form a first guide groove; the end of the isolation member near the first support member is slidably disposed in the first guide groove; and / or the second support member has a second plate and a second connecting plate connected together, the extension direction of the second connecting plate intersecting the extension direction of the second plate; the second guide member has a third guide plate and a fourth guide plate connected together, the third guide plate being disposed on the second plate and located on the side away from the installation space, the fourth guide plate being located on the side away from the installation space, and the fourth guide plate and the second connecting plate being spaced apart to form a second guide groove; the end of the isolation member near the second support member is slidably disposed in the second guide groove.

4. The power cabinet according to claim 2, characterized in that, The first guide member includes a first connecting portion and a first limiting portion connected together. The first connecting portion is disposed on the side of the first carrier member away from the installation space, and the first limiting portion is located on the side away from the installation space and is spaced apart from the first carrier member to form a third guide groove. The end of the isolating member near the first carrier member is slidably disposed in the third guide groove. And / or, the second guide member includes a second connecting portion and a second limiting portion connected together. The second connecting portion is disposed on the side of the second carrier member away from the installation space, and the second limiting portion is located on the side away from the installation space and is spaced apart from the second carrier member to form a fourth guide groove. The end of the isolating member near the second carrier member is slidably disposed in the fourth guide groove.

5. The power cabinet according to claim 2, characterized in that, The first carrier has a first plate and a first connecting plate connected together, the extension direction of the first connecting plate intersecting the extension direction of the first plate; the first guide has a first guide plate and a second guide plate connected together, the first guide plate being disposed on the first plate and located on the side away from the installation space, the second guide plate being located on the side away from the installation space, and the second guide plate and the first connecting plate being spaced apart to form a first guide groove; the end of the isolator near the first carrier is slidably disposed in the first guide groove; and / or, the second guide includes a second connecting portion and a second limiting portion connected together, the second connecting portion being disposed on the side of the second carrier away from the installation space, the second limiting portion being located on the side away from the installation space, and spaced apart from the second carrier to form a fourth guide groove; the end of the isolator near the second carrier is slidably disposed in the fourth guide groove.

6. The power cabinet according to claim 2, characterized in that, The first guide member includes a first connecting portion and a first limiting portion connected together. The first connecting portion is disposed on the side of the first carrier member away from the installation space, and the first limiting portion is located on the side away from the installation space and is spaced apart from the first carrier member to form a third guide groove. The end of the isolator member near the first carrier member is slidably disposed in the third guide groove. And / or, the second carrier member has a second plate and a second connecting plate connected together, the extension direction of the second connecting plate intersecting the extension direction of the second plate. The second guide member has a third guide plate and a fourth guide plate connected together. The third guide plate is disposed on the second plate and located on the side away from the installation space, and the fourth guide plate is located on the side away from the installation space, and the fourth guide plate is spaced apart from the second connecting plate to form a second guide groove. The end of the isolator member near the second carrier member is slidably disposed in the second guide groove.

7. The power cabinet according to claim 2, characterized in that, The first carrier has a first plate and a first connecting plate connected together, the extension direction of the first connecting plate intersecting the extension direction of the first plate; the first guide includes a third connecting portion and a third limiting portion connected together, the third connecting portion being disposed on the side of the first connecting plate away from the installation space, the third limiting portion being disposed on the side away from the installation space, and spaced apart from the first connecting plate to form a fifth guide groove; the end of the isolator near the first carrier is slidably disposed in the fifth guide groove; and / or, the second carrier has a second plate and a second connecting plate connected together, the extension direction of the second connecting plate intersecting the extension direction of the second plate; the second guide includes a fourth connecting portion and a fourth limiting portion connected together, the fourth connecting portion being disposed on the second connecting plate and located on the side away from the installation space, the fourth limiting portion being located on the side away from the installation space, and spaced apart from the second connecting plate to form a sixth guide groove; the end of the isolator near the second carrier is slidably disposed in the sixth guide groove.

8. The power cabinet according to claim 2, characterized in that, Two spacers are provided between two adjacent mounting frames.

9. The power cabinet according to claim 2, characterized in that, The guide member is connected to a folding portion at at least one end in its extending direction, the folding portion extending away from the mounting space; and / or the isolation member is provided with at least one fixing portion extending toward the mounting space on at least one side in the extending direction of the guide member.

10. A converter, characterized in that, include: The power cabinet as described in any one of claims 1 to 9; The power module is installed within the mounting frame.

Images