Grid-connected cabinet with flat cable structure

Abstract

The invention relates to the technical field of grid-connected cabinets, and discloses a grid-connected cabinet with a flat cable structure, which comprises a grid-connected cabinet main body, and the grid-connected cabinet main body comprises a cabinet body; the cable arranging unit comprises a bracket, a fixed cable clamp and a multi-cable dispersing assembly; the multi-cable dispersing assembly is slidably arranged between the bracket and the fixed cable clamp and used for responding to temperature changes and automatically adjusting cable spacing to enhance heat dissipation. According to the invention, the cables are effectively dispersed through the multi-cable dispersion assembly, and the distance between the cables is increased, so that air can fully flow among the cables, and a good convection heat dissipation channel is formed. In addition, the additional heat dissipation openings are symmetrically formed in the cabinet body, circulation of air in the cabinet body is effectively promoted, and a good convection channel is formed. Hot air can be smoothly discharged from the additional heat dissipation opening, and cold air can enter from other parts of the cabinet body, so that heat dissipation is accelerated.

Description

Technical Field

[0001] The present invention relates to the technical field of grid-connected cabinets, and more particularly to a grid-connected cabinet with a wiring arrangement structure. Background Art

[0002] A grid-connected cabinet is a device that integrates the AC power generated by distributed power generators into the power system through devices such as inverters, protection devices, and power quality control devices. Its main function is to integrate the power generated by distributed power sources into the power system, and its operating stability and safety are crucial. During the actual operation of the grid-connected cabinet, the internal cables will generate heat due to the passage of current. If the heat cannot be dissipated in time, the internal temperature of the grid-connected cabinet will rise.

[0003] At present, common power cabinets are usually equipped with internal heat dissipation equipment to maintain stable temperature. However, in actual application scenarios, it is often difficult to meet the needs by relying solely on internal heat dissipation equipment. The existing power cabinets are densely packed with cables, and it is difficult for air to flow fully between the cables. Heat easily accumulates between the cables, resulting in low heat dissipation efficiency. Even if heat dissipation vents are set, the natural convection heat dissipation method is not effective in complex environments and cannot effectively cope with the temperature increase caused by cable heating, affecting the stable operation of the power cabinet. Summary of the invention

[0004] The present invention provides a power-connected cabinet with a wiring structure, which solves the technical problem in the related art that the existing power-connected cabinet has dense cables, air is difficult to fully flow between the cables, heat is easily accumulated between the cables, resulting in low heat dissipation efficiency and affecting the stable operation of the power-connected cabinet.

[0005] The present invention provides a power-connected cabinet, comprising a power-connected cabinet main body, the power-connected cabinet main body comprising a cabinet body; a wiring unit, arranged inside the cabinet body, the wiring unit comprising a bracket, a fixed wire clamp and a multi-cable dispersion component; wherein the multi-cable dispersion component is slidably arranged between the bracket and the fixed wire clamp, and is used to respond to temperature changes and automatically adjust the cable spacing to enhance heat dissipation; a temperature sensor, arranged inside the cabinet body and linked with the multi-cable dispersion component, is used to monitor the temperature in real time and trigger the cable spacing adjustment action.

[0006] As a further optimization scheme of the present invention, the multi-cable dispersion assembly includes a sliding column installed on the inner wall of the cabinet, and multiple groups of sliding blocks are slidably connected to the sliding column. The fixed wire clamp and the sliding block are fixedly connected. A fixing frame is installed on the sliding column, and the fixing frame is fixedly connected to the bracket, and a spring is provided between the first and last groups of sliding blocks and the fixing frame.

[0007] As a further optimization scheme of the present invention, multiple groups of first swing arms and multiple groups of second swing arms are provided between the bracket and the sliding block, each group of the second swing arms is respectively arranged between every two groups of the first swing arms, the two ends of the first swing arms and the second swing arms are respectively rotatably connected by a rotating shaft, the ends of the first swing arms of the first and tail groups away from the second swing arms are rotatably connected to the third swing arm by a rotating shaft, the third swing arm and the first and tail groups of sliding blocks are rotatably connected by a rotating shaft, a connecting shaft is installed on the middle group of the first swing arms, and the connecting shaft and the bracket are rotatably connected by a bearing, and a traction rope is installed on the first and tail groups of sliding blocks.

[0008] As a further optimization scheme of the present invention, the wiring unit also includes an air acceleration pushing component, which includes a winding shaft connected to the inside of the cabinet by a bearing, and a winding disk is symmetrically installed on the winding shaft, and the traction rope is wound around and fixed on the winding disk. An electric push rod is also installed inside the cabinet, and a rack plate is installed at the telescopic end of the electric push rod, and a gear is meshed and connected to the rack plate, and the gear is installed on the winding shaft.

[0009] As a further optimization scheme of the present invention, the air acceleration and pushing component also includes a plurality of ventilation holes opened on the winding shaft, and an air cavity opened inside the winding shaft, the ventilation holes and the interior of the air cavity are connected, a ventilation disk is sleeved on the winding shaft, and a connecting port is installed on the ventilation disk, and the interior of the ventilation disk and the connecting port are connected.

[0010] As a further optimization scheme of the present invention, the interior of the ventilation disk is slidably connected with an annular slider, and the annular slider is installed on the winding shaft. The winding shaft is also provided with a plurality of air flow openings, and the air flow openings are connected with the interior of the ventilation disk.

[0011] As a further optimization solution of the present invention, the grid-connected cabinet body further includes an additional heat dissipation port, which is symmetrically arranged on the cabinet body, and a ventilation component is arranged in the additional heat dissipation port.

[0012] As a further optimization scheme of the present invention, the ventilation component includes a ventilation frame installed on the additional heat dissipation port, and a filter plate is detachably installed inside the ventilation component, a plurality of groups of swing blades are provided inside the ventilation frame, and a rotating shaft is installed inside the swing blades, the rotating shaft and the ventilation frame are rotatably connected through a bearing, a fourth swing arm is installed on the rotating shaft, and an end of the fourth swing arm away from the rotating shaft is rotatably connected to a movable sleeve through a rotating shaft, and a plurality of the movable sleeves are slidably connected to the outer surface of the traction rope.

[0013] As a further optimization scheme of the present invention, a movable block is installed on the traction rope. By controlling the movement of the traction rope, the traction rope is slidably connected in the movable sleeve. When the movable sleeve is engaged and connected with the movable block, the swing amplitude of the fourth swing arm is controlled, driving the swing blade to open, thereby performing auxiliary ventilation in the cabinet.

[0014] As a further optimization solution of the present invention, a torsion spring is further provided on the rotating shaft, and one end of the torsion spring is fixedly connected to the ventilation frame, and the other end of the torsion spring is fixedly connected to the fourth swing arm.

[0015] The beneficial effects of the present invention are as follows: the present invention effectively disperses the cables through a multi-cable dispersion assembly, increases the cable spacing, and allows air to fully flow between the cables, forming a good convection heat dissipation channel. This design fundamentally solves the problem of poor air circulation and heat accumulation caused by dense cables in traditional grid-connected cabinets. In addition, the additional heat dissipation ports are symmetrically opened on the cabinet body, which effectively promotes the circulation of air in the cabinet body and forms a good convection channel. Hot air can be discharged smoothly from the additional heat dissipation ports, and cold air can enter from other parts of the cabinet body, accelerating heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 It is a partial structural schematic diagram of the present invention;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the wiring unit of the present invention;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the multi-cable dispersion assembly of the present invention;

[0020] Figure 5 It is a schematic diagram of a partial three-dimensional structure of a wiring arrangement unit of the present invention;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the ventilation assembly of the present invention;

[0022] Figure 7 It is a schematic diagram of a partial three-dimensional structure of the air acceleration and pushing component of the present invention;

[0023] Figure 8 It is a schematic diagram of the internal structure of the air acceleration and pushing component of the present invention.

[0024] In the figure: 100, main body of the grid-connected cabinet; 110, cabinet; 120, additional heat dissipation port; 200, wiring unit; 210, bracket; 220, fixed wire clamp; 230, multi-cable dispersion assembly; 231, sliding column; 232, sliding block; 233, fixed frame; 234, spring; 235, first swing arm; 236, second swing arm; 237, third swing arm; 238, connecting shaft; 239, traction rope; 2310, movable block; 240, ventilation assembly; 2 41. Ventilation rack; 242. Filter plate; 243. Swing blade; 244. Rotating shaft; 245. Fourth swing arm; 246. Movable sleeve; 250. Air acceleration push assembly; 251. Winding shaft; 252. Winding disk; 253. Electric push rod; 254. Rack plate; 255. Gear; 256. Ventilation hole; 257. Wind cavity; 258. Ventilation disk; 259. Connecting port; 2510. Annular slider; 2511. Air flow port; 300. Temperature sensor. DETAILED DESCRIPTION

[0025] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Each example may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples.

[0026] according to Figure 1 and Figure 2 As shown, a power cabinet includes a power cabinet body 100, a wiring unit 200 and a temperature sensor 300; the power cabinet body 100 includes a cabinet body 110; the wiring unit 200 and the temperature sensor 300 are arranged inside the cabinet body 110. The wiring unit 200 includes a bracket 210 arranged inside the cabinet body 110, a plurality of fixed wire clamps 220 arranged on the bracket 210, and a multi-cable dispersion assembly 230 arranged between the bracket 210 and the fixed wire clamps 220.

[0027] Specifically, the temperature sensor 300 is arranged inside the cabinet 110. The temperature sensor 300 can be installed on the side close to the cable gathering place, or directly installed on the inner wall of the cabinet 110. The temperature sensor 300 can monitor the temperature change inside the grid cabinet in real time. Through accurate perception of temperature, the staff can timely understand the operating status of the equipment. When the temperature rises abnormally, corresponding measures can be taken quickly, such as checking the heat dissipation system, troubleshooting electrical faults, etc., to avoid irreversible damage to the equipment due to excessive temperature.

[0028] In one embodiment, according to Figure 3 and Figure 4 As shown, the multi-cable dispersion assembly 230 is disposed between the bracket 210 and the fixed wire clamp 220, which can further disperse the cables and increase the distance between the cables, which is conducive to the flow of air between the cables and improves the heat dissipation efficiency. At the same time, the dispersed cable layout reduces the accumulation of heat and reduces the possibility of safety accidents such as fire caused by overheating of the cables.

[0029] Specifically, the multi-cable dispersion assembly 230 includes a sliding column 231 installed on the inner wall of the cabinet 110, and multiple groups of sliding blocks 232 are slidably connected to the sliding column 231, and the number of sliding blocks 232 and the fixed wire clamp 220 are the same, the fixed wire clamp 220 and the sliding block 232 are fixedly connected, a fixing frame 233 is installed on the sliding column 231, and the fixing frame 233 is fixedly connected to the bracket 210, and a spring 234 is provided between the first and last groups of sliding blocks 232 and the fixing frame 233, and the two ends of the spring 234 are respectively fixedly connected to the sliding block 232 and the fixing frame 233.

[0030] It should be understood that when the cables expand and contract due to heat or are affected by other external forces, the sliding block 232 can slide along the sliding column 231 to automatically adjust the distance between the cables. The setting of the spring 234 plays a buffering and resetting role. While maintaining the cable spacing, it can absorb a certain external force impact to prevent the cables from being damaged due to sudden force. For example, during the operation of the grid cabinet body 100, temperature changes cause the cables to expand. The sliding block 232 will slide along the sliding column 231 under the buffering of the spring 234, increase the cable spacing, adapt to the deformation of the cables, and ensure heat dissipation space and electrical safety.

[0031] In another embodiment, according to Figure 4 As shown, multiple groups of first swing arms 235 and multiple groups of second swing arms 236 are provided between the bracket 210 and the sliding block 232, each group of second swing arms 236 is respectively arranged between every two groups of first swing arms 235, and the two ends of the first swing arms 235 and the second swing arms 236 are respectively rotatably connected by a rotating shaft, and the ends of the first and rear groups of first swing arms 235 away from the second swing arms 236 are rotatably connected to the third swing arms 237 by a rotating shaft, and the third swing arm 237 is rotatably connected to the first and rear groups of sliding blocks 232 by a rotating shaft, and a connecting shaft 238 is installed on the middle group of first swing arms 235, and the connecting shaft 238 is rotatably connected to the bracket 210 by a bearing.

[0032] It should be noted that the bracket 210 and the sliding block 232 are connected to each other through the first swing arm 235, the second swing arm 236 and the third swing arm 237, forming a stable and coordinated dispersion system. The first swing arm 235, the second swing arm 236 and the third swing arm 237 are rotatably connected through the rotating shaft, which not only enhances the stability of the overall structure, but also enables the sliding block 232 to move synchronously, ensuring that the cable dispersion actions of various parts are coordinated and consistent, thereby ensuring that no matter how many cables are or how they are distributed, they can be evenly dispersed, avoiding local cables from being too dense or loose, thereby comprehensively improving the heat dissipation effect and electrical performance.

[0033] Furthermore, traction ropes 239 are installed on the first and last sets of sliding blocks 232 , and one end of the traction rope 239 away from the sliding block 232 passes through the outer surface of the fixing frame 233 and is slidably connected to the fixing frame 233 .

[0034] During the operation of the grid-connected cabinet body 100, the traction rope 239 is driven to move, so that the traction rope 239 pulls the first and last sets of sliding blocks 232, so that the sliding blocks 232 are slidably connected on the sliding column 231, and are interconnected through the first swing arm 235, the second swing arm 236 and the third swing arm 237, so that multiple sets of sliding blocks 232 are evenly dispersed, thereby driving the fixed wire clamp 220 to move synchronously, so that the cables are dispersed, and the cable spacing is adjusted, and the heat dissipation effect and electrical performance are comprehensively improved. Specifically, when the temperature sensor 300 detects that the temperature inside the grid-connected cabinet body 100 is too high, the traction rope 239 can be remotely driven to stretch, and the cable spacing can be fine-tuned to improve the heat dissipation efficiency.

[0035] In summary, the multi-cable dispersion assembly 230 effectively disperses the cables, greatly increases the distance between the cables, allows air to fully flow between the cables, forms a good convection heat dissipation channel, and significantly improves the heat dissipation efficiency. At the same time, the dispersed cable layout greatly reduces heat accumulation, reduces the possibility of fire and other safety accidents caused by overheating of cables, provides a strong guarantee for the long-term stable operation of the grid cabinet, and ensures the safe and reliable power supply of the power system.

[0036] In one embodiment, according to Figure 2 and Figure 7 As shown, the air acceleration pushing component 250 includes a winding shaft 251 connected to the inside of the cabinet 110 by a bearing, and a winding disk 252 is symmetrically installed on the winding shaft 251, and the traction rope 239 is wound around and fixed on the winding disk 252. An electric push rod 253 is also installed inside the cabinet 110, and a rack plate 254 is installed at the telescopic end of the electric push rod 253. A gear 255 is meshingly connected to the rack plate 254, and the gear 255 is installed on the winding shaft 251.

[0037] Among them, the data collected by the temperature sensor 300 can be used as a control basis. When the temperature sensor 300 detects that the temperature is close to the set threshold, it drives the electric push rod 253 to perform telescopic movement, expand the gap distance between the cables, and increase the ventilation space, so that the heat on the cables can be quickly dispersed, thereby realizing intelligent regulation of the operating environment temperature of the grid-connected cabinet, avoiding further temperature increase and damage to the equipment, and greatly improving the stability and reliability of the equipment operation.

[0038] It should be noted that the extension and retraction of the electric push rod 253 drives the rack plate 254 to move, and then drives the gear 255 connected to the winding shaft 251 to rotate, so that the winding shaft 251 drives the winding disk 252 to rotate, and pulls the sliding block 232 through the traction rope 239 to expand the gap distance between the cables, effectively increasing the ventilation space, allowing air to flow more smoothly between the cables, quickly taking away the heat on the cables, avoiding heat accumulation, ensuring that the cables always work in a suitable temperature environment, and extending their service life.

[0039] according to Figure 7 and Figure 8 As shown, the air acceleration pushing component 250 also includes a plurality of ventilation holes 256 opened on the winding shaft 251, and an air cavity 257 opened inside the winding shaft 251, the ventilation holes 256 and the interior of the air cavity 257 are connected, a ventilation disk 258 is sleeved on the winding shaft 251, and a connecting port 259 is installed on the ventilation disk 258, the interiors of the ventilation disk 258 and the connecting port 259 are connected, the interior of the ventilation disk 258 is slidably connected with an annular slider 2510, and the annular slider 2510 is installed on the winding shaft 251, and a plurality of air flow openings 2511 are also opened on the winding shaft 251, and the air flow openings 2511 are connected to the interior of the ventilation disk 258.

[0040] When the winding shaft 251 rotates, the position of the ventilation hole 256 changes continuously, and air is discharged from the ventilation hole 256, thereby accelerating the air circulation around the cable and guiding the air to flow to a specific area, further improving the heat dissipation efficiency, especially for some parts where heat dissipation is difficult, such as where cables are densely packed or near heating elements, so that heat can be dissipated more specifically.

[0041] In addition, the connection port 259 on the ventilation disk 258 can be connected to an external ventilation duct or other auxiliary ventilation and heat dissipation equipment to achieve flexible guidance of the air flow. At the same time, the sliding connection of the annular slider 2510 in the ventilation disk 258 enables the winding shaft 251 to rotate and supply air to the winding shaft 251 when it rotates.

[0042] according to Figure 1As shown, the grid-connected cabinet body 100 also includes an additional heat dissipation port 120, which is symmetrically opened on the cabinet body 110. This layout can effectively promote the circulation of air in the cabinet body 110 and form a good convection channel. Hot air can be discharged smoothly from the additional heat dissipation port 120, and cold air can enter from other parts of the cabinet body 110, which accelerates the heat dissipation, helps to maintain a suitable temperature environment inside the grid-connected cabinet, and ensures the stable operation of electrical components. In addition, the symmetrically arranged additional heat dissipation port 120 can take away heat more evenly according to the internal thermal field distribution characteristics of the cabinet body 110, avoid local overheating, especially for concentrated heat areas such as the wiring unit 200, which can dissipate heat in time and reduce the risk of electrical failures caused by high temperature.

[0043] according to Figure 5 and Figure 6 As shown, the ventilation assembly 240 includes a ventilation frame 241 installed on the additional heat dissipation port 120, and a filter plate 242 is detachably installed inside the ventilation assembly 240. The ventilation assembly 240 is provided with a detachable filter plate 242 at the additional heat dissipation port 120, which can effectively filter the air entering the inside of the grid-connected cabinet and block particulate matter such as dust and impurities. In a dusty industrial environment or outdoor installation scenario, the filter plate 242 can prevent dust from accumulating on cables and electrical components, avoid problems such as poor heat dissipation and short circuit caused by dust accumulation, and extend the service life of the equipment. In addition, the filter plate 242 adopts a detachable design, which is convenient for the staff to clean or replace it regularly. When the filter plate 242 absorbs a large amount of dust and affects the ventilation effect, it can be quickly disassembled and cleaned or directly replaced with a new filter plate 242. The operation is simple and convenient, which reduces the maintenance cost and workload, and ensures that the ventilation assembly 240 always maintains good filtering performance.

[0044] Specifically, a plurality of sets of swing blades 243 are provided inside the ventilation rack 241, and a rotating shaft 244 is installed inside the swing blade 243. The rotating shaft 244 and the ventilation rack 241 are rotatably connected via a bearing. A fourth swing arm 245 is installed on the rotating shaft 244, and one end of the fourth swing arm 245 away from the rotating shaft 244 is rotatably connected to a movable sleeve 246 via a rotating shaft. Multiple movable sleeves 246 are slidably connected to the outer surface of the traction rope 239, and multiple movable sleeves 246 are connected to each other via rubber rods.

[0045] It should be noted that a movable block 2310 is installed on the traction rope 239. By controlling the movement of the traction rope 239, the traction rope 239 is slidably connected in the movable sleeve 246. When the movable sleeve 246 is engaged with the movable block 2310, the swing amplitude of the fourth swing arm 245 is controlled, and the swing blade 243 is driven to open, thereby assisting ventilation in the cabinet 110 to enhance heat dissipation, so that the ventilation direction is more conducive to the flow of air between the enlarged cable gaps, and further improves the heat dissipation efficiency.

[0046] It should be noted that when the movable sleeve 246 is engaged with the movable block 2310, the rubber rod drives all other movable sleeves 246 to move. In addition, the rubber rod can also be deformed to adapt to the displacement of the movable sleeve 246.

[0047] The additional heat dissipation opening 120 is usually in a closed state. In the prior art, the main body 100 of the grid-connected cabinet usually dissipates heat through an internal heat dissipation device. When the additional heat dissipation opening 120 is in an open state, it is used to assist in heat dissipation in the cabinet 110 to improve the heat dissipation efficiency, especially the heat dissipation efficiency at the cable position.

[0048] A torsion spring is also provided on the rotating shaft 244, and one end of the torsion spring is fixedly connected to the ventilation frame 241, and the other end of the torsion spring is fixedly connected to the fourth swing arm 245; the torsion spring provides a reset elastic force for the swing leaf 243, and when there is no external force, the torsion spring keeps the swing leaf 243 at a certain initial angle to ensure that the swing leaf 243 is in a closed state. When the traction rope 239 drives the swing leaf 243 to change its angle, it can drive the swing leaf 243 to rotate and flexibly adjust the ventilation angle.

[0049] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. A grid-connected cabinet, characterized in that: include: A power-connected cabinet body, wherein the power-connected cabinet body comprises a cabinet body; A cable arrangement unit is arranged inside the cabinet, and the cable arrangement unit includes a bracket, a fixed wire clamp and a multi-cable dispersion assembly; Wherein, the multi-cable dispersion assembly is slidably disposed between the bracket and the fixed wire clamp, and is used to automatically adjust the cable spacing in response to temperature changes to enhance heat dissipation; The temperature sensor is arranged inside the cabinet and linked with the multi-cable dispersion assembly to monitor the temperature in real time and trigger the cable spacing adjustment action.

2. A grid-connected cabinet according to claim 1, characterized in that: The multi-cable dispersion assembly includes a sliding column installed on the inner wall of the cabinet, and multiple groups of sliding blocks are slidably connected to the sliding column. The fixed wire clamp and the sliding block are fixedly connected. A fixing frame is installed on the sliding column, and the fixing frame is fixedly connected to the bracket. A spring is provided between the first and last groups of sliding blocks and the fixing frame.

3. A grid-connected cabinet according to claim 2, characterized in that: A plurality of groups of first swing arms and a plurality of groups of second swing arms are provided between the bracket and the sliding block, each group of the second swing arms is respectively provided between every two groups of the first swing arms, the two ends of the first swing arm and the second swing arm are respectively rotatably connected by a rotating shaft, the ends of the first swing arms of the first and last groups away from the second swing arms are rotatably connected to the third swing arm by a rotating shaft, the third swing arm is rotatably connected to the first and last groups of the sliding blocks by a rotating shaft, a connecting shaft is installed on the middle group of the first swing arms, and the connecting shaft is rotatably connected to the bracket by a bearing, and a traction rope is installed on the first and last groups of the sliding blocks.

4. A grid-connected cabinet according to claim 3, characterized in that: The cable arrangement unit also includes an air acceleration pushing component, which includes a winding shaft connected to the inside of the cabinet by a bearing, and a winding disk is symmetrically installed on the winding shaft, and the traction rope is wound around and fixed on the winding disk. An electric push rod is also installed inside the cabinet, and a rack plate is installed at the telescopic end of the electric push rod, and a gear is meshed and connected to the rack plate, and the gear is installed on the winding shaft.

5. A grid-connected cabinet according to claim 4, characterized in that: The air acceleration and pushing component also includes a plurality of ventilation holes opened on the winding shaft, and an air cavity opened inside the winding shaft, the ventilation holes are connected to the interior of the air cavity, a ventilation disk is sleeved on the winding shaft, and a connecting port is installed on the ventilation disk, and the interior of the ventilation disk and the connecting port are connected.

6. A grid-connected cabinet according to claim 5, characterized in that: An annular slider is slidably connected to the interior of the ventilation disk, and the annular slider is installed on the winding shaft. The winding shaft is also provided with a plurality of air flow openings, and the air flow openings are communicated with the interior of the ventilation disk.

7. The grid-connected cabinet according to claim 3, characterized in that: The grid-connected cabinet body further comprises an additional heat dissipation opening, which is symmetrically arranged on the cabinet body and has a ventilation component arranged in the additional heat dissipation opening.

8. The grid-connected cabinet according to claim 7, characterized in that: The ventilation component includes a ventilation frame installed on the additional heat dissipation port, and a filter plate is detachably installed inside the ventilation component, a plurality of sets of swing blades are arranged inside the ventilation frame, and a rotating shaft is installed inside the swing blades, the rotating shaft and the ventilation frame are rotatably connected via a bearing, a fourth swing arm is installed on the rotating shaft, and an end of the fourth swing arm away from the rotating shaft is rotatably connected to a movable sleeve via a rotating shaft, and a plurality of the movable sleeves are slidably connected to the outer surface of the traction rope.

9. The grid-connected cabinet according to claim 8, characterized in that: A movable block is installed on the traction rope. By controlling the movement of the traction rope, the traction rope is slidably connected in the movable sleeve. When the movable sleeve is engaged with the movable block, the swing amplitude of the fourth swing arm is controlled, and the swing blades are driven to open, thereby performing auxiliary ventilation in the cabinet.

10. The grid-connected cabinet according to claim 8, characterized in that: The rotating shaft is also provided with a torsion spring, one end of which is fixedly connected to the ventilation frame, and the other end of which is fixedly connected to the fourth swing arm.

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