A high-voltage switch cabinet convenient for maintenance for a virtual power plant

Abstract

The application belongs to the technical field of virtual power plants, and particularly relates to a high-voltage switch cabinet convenient to overhaul for a virtual power plant, which comprises a cabinet body, the cabinet body comprises a back plate, a bearing mechanism, the bearing mechanism comprises a connecting frame and a plate group for installing electrical elements, the connecting frame is slidingly installed on the cabinet body, the plate group comprises a support plate and two side plates, the lower end of the support plate is rotationally installed on the connecting frame, the two side plates are rotationally installed on the two sides of the support plate respectively, when the bearing mechanism is in a first state, the end face of the side plate abuts against the inner wall of the support plate, when the bearing mechanism is in a second state, the plate group is located outside the horizontal plane projection range of the top plate and the bottom plate, the included angle between the support plate and the back plate is alpha, alpha is greater than 0° and less than 180°, the included angle between the side plate and the support plate is beta, beta is greater than 90° and less than 270°. The purpose is to solve the problems of narrow installation area and limited number of electrical element installations caused by the structural defects of the existing switch cabinet.

Description

Technical Field

[0001] This invention belongs to the field of virtual power plant technology, and specifically relates to a high-voltage switchgear for easy maintenance in a virtual power plant. Background Technology

[0002] A virtual power plant is a power coordination and management system that uses advanced information and communication technologies and software systems to aggregate and coordinate the energy distribution systems (DERs) such as distributed generation (DG), energy storage systems, controllable loads, and electric vehicles, so as to participate in the electricity market and grid operation as a special power plant.

[0003] High-voltage switchgear is an important component of the virtual power plant system.

[0004] Currently, high-voltage switchgear on the market mainly consists of a cabinet, an opening on one side of the cabinet, an openable cover at the opening, and the inner side wall and / or top wall and / or bottom wall of the cabinet for installing electrical components.

[0005] However, in actual use, due to the small internal space, numerous components, and dim lighting of high-voltage switchgear, personnel need to extend their arms into the cabinet when inspecting electrical components, which increases the probability of danger and is also very inconvenient during maintenance.

[0006] To address this issue, a Chinese utility model patent (publication number: CN209823178U) discloses a high-voltage outgoing switchgear that is easy to maintain. By mounting electrical components on a movable plate that can be pulled out of the cabinet, maintenance can be performed outside the cabinet without requiring personnel to reach their arms inside. This reduces the probability of danger, improves maintenance safety, and solves the problem of difficult maintenance.

[0007] However, in actual use, since electrical components can only be installed on various movable plates, there are still problems such as limited installation area and limited number of electrical components that can be installed. Summary of the Invention

[0008] The purpose of this invention is to provide a high-voltage switchgear for virtual power plants that is easy to maintain, in order to solve the problems of limited installation area and restricted number of electrical components caused by structural defects in existing switchgear.

[0009] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0010] A high-voltage switchgear for easy maintenance in a virtual power plant includes:

[0011] The cabinet includes a back panel, a top panel, and a bottom panel, with the top panel and bottom panel located at the upper and lower ends of the back panel, respectively.

[0012] The support mechanism includes a connecting frame and an inner wall plate assembly for mounting electrical components;

[0013] The connecting frame is slidably installed on the cabinet along the thickness direction and is located between the top plate and the bottom plate;

[0014] The plate assembly includes a support plate and two side plates;

[0015] The lower end of the support plate is rotatably mounted on the connecting frame, and a first limiting member is installed between the support plate and the connecting frame. The first limiting member is used to limit the maximum rotation angle of the support plate relative to the connecting frame.

[0016] The two side plates are rotatably mounted on both sides of the support plate, and a second limiting member is installed between the side plates and the support plate. The second limiting member is used to limit the maximum rotation angle of the side plates relative to the support plate.

[0017] The bearing mechanism includes a first state and a second state;

[0018] When the bearing mechanism is in the first state, the horizontal projection of the enclosed structure of the bearing mechanism and the back plate is a closed ring, and falls within the horizontal projection range of the top plate and the bottom plate. The end face of the side plate near the support plate abuts against the inner wall of the support plate, and the lower end face abuts against the connecting frame.

[0019] When the bearing mechanism is in the second state, the plate group is located outside the horizontal projection range of the top plate and the bottom plate, the included angle between the support plate and the back plate is α, where α is greater than 0° and less than 180°, and the included angle between the side plate and the support plate is β, where β is greater than 90° and less than 270°.

[0020] Further specifying, α is 100° and β is 180°.

[0021] This structural design, by setting α to 100°, makes the free end of the support plate slightly tilted downward in the second state, giving the operator a wider field of vision; setting β to 180° makes the side plate and the support plate flush in the second state, which is convenient for the operator to operate.

[0022] Further specifying, there are multiple supporting mechanisms, and the multiple supporting mechanisms are arranged in an array along the height direction of the cabinet.

[0023] This structural design, by setting the load-bearing mechanism as multiple arrays along the height of the cabinet, allows for the batch installation of electrical components without changing the cabinet height, making it more convenient to use.

[0024] Further specified, the connecting frame is L-shaped and consists of a horizontal bar and a vertical bar that are fixedly connected;

[0025] The end of the crossbar away from the vertical bar is rotatably connected to the lower end of the support plate;

[0026] The cabinet also includes mounting components, which are fixedly installed on the back panel and located between two adjacent load-bearing mechanisms;

[0027] The upper end of the top vertical rod is slidably connected to the top plate, and the lower end is slidably connected to the corresponding mounting component;

[0028] The upper end of the bottommost vertical rod is slidably connected to the corresponding mounting component, and the lower end is slidably connected to the base plate;

[0029] The upper and lower ends of the middle vertical rod are slidably connected to the corresponding mounting parts, respectively;

[0030] When the bearing mechanism is in the first state, the lower end face of the side plate abuts against the upper end face of the crossbar, and the end face of the side plate away from the support plate abuts against the vertical bar.

[0031] When the supporting mechanism is in the second state, the vertical rod is located within the horizontal projection range of the top plate and the bottom plate.

[0032] This structural design, by setting the connecting frame as an L-shape composed of horizontal and vertical bars, and through the cooperation of the vertical bars with the top plate, mounting parts, and bottom plate, completes the sliding installation of the connecting frame and the cabinet. When the load-bearing mechanism is in the second state, the vertical bars are limited to the horizontal projection range of the top and bottom plates. This ensures that in the second state, after the panel moves outward and flips, the cabinet can provide sufficient support strength for the load-bearing mechanism, enhance its service life, and has strong practicality.

[0033] Furthermore, the upper end face of the mounting component and the upper end face of the base plate are provided with a first sliding groove along the thickness direction of the cabinet.

[0034] The lower end face of the mounting component and the lower end face of the top plate are provided with a second sliding groove along the thickness direction of the cabinet.

[0035] Both ends of the vertical rod are provided with sliders, which are slidably disposed in the first or second groove.

[0036] This structural design, through the cooperation of the slider and the first and second sliding grooves, completes the sliding connection between the vertical rod and the cabinet. The structure is simple and the cost is low.

[0037] Further specifying, a transmission mechanism is installed between the connecting frame and the side plate, the transmission mechanism being used for:

[0038] When the support plate flips outward relative to the connecting frame, it causes the side plate to flip outward relative to the support plate.

[0039] When the support plate flips inward relative to the connecting frame, it causes the side plate to flip inward relative to the support plate.

[0040] This structural design uses a transmission mechanism to drive the support plate and side plates. After the panel is pulled out of the cabinet, the side plates can move together simply by flipping the support plate, simplifying the operation process and making it more convenient to use.

[0041] Further specifying, the transmission mechanism includes a first bevel gear and a second bevel gear that mesh with each other;

[0042] The first bevel gear is fixedly mounted on the connecting frame, and the axis of the first bevel gear is coaxial with the rotational connection axis of the connecting frame and the support plate;

[0043] The second bevel gear is fixedly mounted on the side plate, and the axis of the second bevel gear is coaxial with the rotational connection axis of the side plate and the support plate.

[0044] This structural design uses a transmission mechanism formed by the meshing of a first bevel gear and a second bevel gear to complete the transmission connection between the support plate and the side plate. The structure is simple, the transmission is stable, and it is highly practical.

[0045] Furthermore, a locking mechanism is installed on the connecting frame;

[0046] When the supporting mechanism is in the second state, the locking mechanism is used to restrict the sliding of the connecting frame relative to the cabinet.

[0047] This structural design, through the locking mechanism, restricts the sliding of the connecting frame relative to the cabinet when the load-bearing mechanism is in the second state. This avoids the problem of the connecting frame sliding affecting the operation when inspecting, wiring, and replacing electrical components on the board, making it highly practical.

[0048] Further specifying, the connecting frame includes a crossbar, which is slidably connected to the cabinet body, and the end of the crossbar away from the vertical bar is rotatably connected to the lower end of the support plate;

[0049] The locking mechanism includes a gear, a locking block, a transmission block, and an elastic mechanism for driving the locking block to move downward.

[0050] The gear is rotatably mounted on the crossbar. The locking block and the transmission block are both vertically slidably mounted on the crossbar and are located on both sides of the gear. The locking block and the transmission block are each equipped with a rack that meshes with the gear. The upper end face of the transmission block is inclined outward from top to bottom.

[0051] The cabinet also includes mounting components, which are fixedly installed on the back panel and located between two adjacent load-bearing mechanisms;

[0052] The lower end of the bottom connecting frame is slidably connected to the base plate;

[0053] The lower ends of the remaining connecting brackets are slidably connected to the corresponding mounting parts;

[0054] When the bearing mechanism is in the first state, the lower end face of the side plate abuts against the upper end face of the crossbar, and the lower end face of the locking block is located above the upper end face of the connecting frame.

[0055] When the bearing mechanism is in the second state, the upper end face of the transmission block is above the upper end face of the crossbar, and the lower end face of the locking block is below the upper end face of the connecting frame.

[0056] This structural design uses gears, locking blocks, transmission blocks, and an elastic mechanism to move the locking blocks downwards to form a locking mechanism. In conjunction with the mounting components, when the load-bearing mechanism is in the second state, it restricts the sliding of the connecting frame relative to the cabinet. At the same time, by pressing the transmission block with the side plate, the locking block is driven upwards via the gears, so that the lower end face of the locking block is above the upper end face of the connecting frame, thereby releasing the restriction on the sliding of the connecting frame relative to the cabinet.

[0057] The invention employing the above technical solution has the following advantages:

[0058] 1. By dividing the board assembly used to install electrical components into a support plate and two side plates located on both sides of the support plate, the traditional single-sided installation is expanded into a three-sided installation structure. Without increasing the overall size of the cabinet, the effective installation area of ​​electrical components is significantly increased, and the number of electrical components that can be installed in a single cabinet is greatly increased, which is suitable for the integration needs of high-density power distribution components in virtual power plants.

[0059] 2. By defining the state of the supporting mechanism in the first state, the plate group and the back plate together form a regular structure with a closed ring shape in the horizontal projection when the supporting mechanism is in the first state. The whole structure falls completely within the horizontal projection range of the top plate and the bottom plate, making full use of the ring space inside the cabinet and eliminating the problem of idle space in the traditional cabinet side areas. While maintaining the standard installation size of the cabinet and being compatible with the existing cabinet installation interface, the potential of the installation space inside the cabinet is maximized.

[0060] 3. By sliding the connecting frame along the thickness of the cabinet, rotating the connecting frame and the support plate, and rotating the support plate and the side plate, when the load-bearing mechanism is switched to the second state, the electrical components arranged on the three sides can be pulled out of the cabinet and flipped open along with the entire panel assembly. All components on the mounting surface are fully exposed to the outside of the cabinet. All components can be maintained without disassembling them or going into the narrow space inside the cabinet. This increases the installation capacity while ensuring the convenience and safety of maintenance operations, solving the pain point of the increased maintenance difficulty in traditional expansion solutions. Attached Figure Description

[0061] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0062] Figure 1 This is a schematic diagram of the structure of an embodiment of a high-voltage switchgear for easy maintenance in a virtual power plant according to the present invention;

[0063] Figure 2 This is a schematic diagram of the uppermost supporting structure in the second state of an embodiment of a high-voltage switchgear for easy maintenance in a virtual power plant according to the present invention. Figure 1 ;

[0064] Figure 3 This is a schematic diagram of the uppermost supporting structure in the second state of an embodiment of a high-voltage switchgear for easy maintenance in a virtual power plant according to the present invention. Figure 2 ;

[0065] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0066] Figure 5 This is a schematic cross-sectional view of the uppermost supporting structure in an embodiment of a high-voltage switchgear for easy maintenance in a virtual power plant according to the present invention, showing the structure between a first state and a second state. Figure 1 ;

[0067] Figure 6 for Figure 5 Enlarged structural diagram at point B;

[0068] Figure 7 for Figure 5 Enlarged structural diagram at point C;

[0069] Figure 8 This is a schematic diagram of the structure of the uppermost supporting mechanism in an embodiment of a high-voltage switchgear for easy maintenance in a virtual power plant according to the present invention, showing the structure between a first state and a second state. Figure 2 ;

[0070] The symbols for the main components are explained below:

[0071] Cabinet body 1, back panel 11, top panel 12, bottom panel 13

[0072] Mounting component 14, slider 140, first slide groove 141, second slide groove 142, connecting plate 15.

[0073] 2. Bearing mechanism, 21. Connecting frame, 210. First limiting member, 211. Horizontal bar, 212.

[0074] Support plate 22, second limiting component 220, first handle 221, second handle 222

[0075] Side panel 23

[0076] First bevel gear 241, second bevel gear 242

[0077] Gear 31, locking block 32, transmission block 33, elastic mechanism 34. Detailed Implementation

[0078] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. In addition, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0079] like Figures 1 to 8 As shown, a high-voltage switchgear for easy maintenance in a virtual power plant according to the present invention includes:

[0080] Cabinet 1, which includes a back panel 11, a top panel 12 and a bottom panel 13, with the top panel 12 and the bottom panel 13 located at the upper and lower ends of the back panel 11, respectively.

[0081] The support mechanism 2 includes a connecting frame 21 and an inner wall plate assembly for mounting electrical components;

[0082] The connecting bracket 21 is slidably installed on the cabinet 1 along the thickness direction of the cabinet 1 and is located between the top plate 12 and the bottom plate 13;

[0083] The plate assembly includes a support plate 22 and two side plates 23;

[0084] The lower end of the support plate 22 is rotatably mounted on the connecting frame 21. A first limiting member 210 is installed between the support plate 22 and the connecting frame 21. The first limiting member 210 is used to limit the maximum rotation angle of the support plate 22 relative to the connecting frame 21.

[0085] Two side plates 23 are rotatably mounted on both sides of the support plate 22. A second limiting member 220 is installed between the side plates 23 and the support plate 22. The second limiting member 220 is used to limit the maximum rotation angle of the side plates 23 relative to the support plate 22.

[0086] The supporting mechanism 2 includes a first state and a second state;

[0087] When the bearing mechanism 2 is in the first state, the horizontal projection of the enclosed structure of the bearing mechanism and the back plate 11 is a closed ring, and falls within the horizontal projection range of the top plate 12 and the bottom plate 13. The end face of the side plate 23 near the support plate 22 abuts against the inner wall of the support plate 22, and the lower end face abuts against the connecting frame 21.

[0088] When the bearing mechanism 2 is in the second state, the plate group is located outside the horizontal projection range of the top plate 12 and the bottom plate 13. The included angle between the support plate 22 and the back plate 11 is α, which is greater than 0° and less than 180°. The included angle between the side plate 23 and the support plate 22 is β, which is greater than 90° and less than 270°.

[0089] α is 100°, β is 180°.

[0090] In practice, α can be set to any angle between 0° and 180°, and β can be set to any angle between 90° and 270°, depending on the actual situation. In this embodiment, by setting α to 100°, the free end of the support plate 22 is slightly tilted downward in the second state, which makes the operator's field of vision wider; and by setting β to 180°, the side plate 23 and the support plate 22 are flush in the second state, which is convenient for the operator to operate.

[0091] There are multiple support mechanisms 2, which are arranged in an array along the height direction of the cabinet 1.

[0092] In practice, depending on the actual situation, only one support mechanism 2 can be set. In this embodiment, by setting multiple support mechanisms 2 in an array along the height direction of the cabinet 1, electrical components can be installed in batches without changing the height of the cabinet 1, making it more convenient to use.

[0093] The connecting frame 21 is L-shaped and consists of a fixedly connected horizontal bar 211 and vertical bar 212.

[0094] The end of the horizontal bar 211 away from the vertical bar 212 is rotatably connected to the lower end of the support plate 22;

[0095] The cabinet 1 also includes a mounting component 14, which is fixedly installed on the back panel 11 and located between two adjacent load-bearing mechanisms 2;

[0096] The upper end of the top vertical rod 212 is slidably connected to the top plate 12, and the lower end is slidably connected to the corresponding mounting part 14;

[0097] The upper end of the bottom vertical rod 212 is slidably connected to the corresponding mounting part 14, and the lower end is slidably connected to the base plate 13;

[0098] The upper and lower ends of the middle vertical rod 212 are slidably connected to the corresponding mounting parts 14 respectively;

[0099] When the bearing mechanism 2 is in the first state, the lower end face of the side plate 23 abuts against the upper end face of the cross bar 211, and the end face of the side plate 23 away from the support plate 22 abuts against the vertical bar 212.

[0100] When the supporting mechanism 2 is in the second state, the vertical rod 212 is located within the horizontal projection range of the top plate 12 and the bottom plate 13.

[0101] In practice, depending on the actual situation, the connecting frame 21 can also be set as a strip, and a slide rail can be set between the connecting frame 21 and the cabinet 1. In this embodiment, the connecting frame 21 is set as an L-shape composed of a horizontal bar 211 and a vertical bar 212. The vertical bar 212 cooperates with the top plate, the mounting part 14, and the bottom plate 13 to complete the sliding installation of the connecting frame 21 and the cabinet 1. When the bearing mechanism 2 is in the second state, the vertical bar 212 is limited to the horizontal projection range of the top plate 12 and the bottom plate 13. This ensures that in the second state, after the panel moves outward and flips, the cabinet 1 can provide sufficient support strength for the bearing mechanism 2, enhance its service life, and has strong practicality.

[0102] The upper end face of the mounting component 14 and the upper end face of the base plate 13 are provided with a first groove 141 along the thickness direction of the cabinet body 1.

[0103] The lower end face of the mounting component 14 and the lower end face of the top plate 12 are provided with a second sliding groove 142 along the thickness direction of the cabinet body 1.

[0104] Both ends of the vertical rod 212 are provided with sliders 140, which are slidably disposed in the first groove 141 or the second groove 142.

[0105] In practice, depending on the actual situation, slide rails can also be installed on the mounting parts 14, the base plate 13 and the top plate 12, and then the vertical rod 212 can be slidably installed on the slide rails. In this embodiment, the sliding connection between the vertical rod 212 and the cabinet 1 is completed through the cooperation of the slider 140 and the first slide groove 141 and the second slide groove 142. The structure is simple and the cost is low.

[0106] A transmission mechanism is installed between the connecting frame 21 and the side plate 23. The transmission mechanism is used for:

[0107] When the support plate 22 flips outward relative to the connecting frame 21, it causes the side plate 23 to flip outward relative to the support plate 22.

[0108] When the support plate 22 flips inward relative to the connecting frame 21, it causes the side plate 23 to flip inward relative to the support plate 22.

[0109] In practice, depending on the actual situation, the transmission mechanism can be omitted, and the support plate 22 and the side plate 23 can be operated separately. In this embodiment, the transmission mechanism is used to realize the transmission between the support plate 22 and the side plate 23. After the plate group is pulled out of the cabinet 1, the side plate 23 can be moved together by simply flipping the support plate 22, which simplifies the operation process and makes it more convenient to use.

[0110] The transmission mechanism includes a first bevel gear 241 and a second bevel gear 242 that mesh with each other;

[0111] The first bevel gear 241 is fixedly mounted on the connecting frame 21, and the axis of the first bevel gear 241 is coaxial with the rotational connection axis of the connecting frame 21 and the support plate 22.

[0112] The second bevel gear 242 is fixedly mounted on the side plate 23, and the axis of the second bevel gear 242 is coaxial with the rotational connection axis of the side plate 23 and the support plate 22.

[0113] In practice, depending on the actual situation, a linkage connection can also be selected as the transmission mechanism. In this embodiment, the transmission mechanism is formed by the meshing of the first bevel gear 241 and the second bevel gear 242, which completes the transmission connection between the support plate 22 and the side plate 23. The structure is simple, the transmission is stable, and the practicality is strong.

[0114] A locking mechanism is installed on the connecting frame 21;

[0115] When the support mechanism 2 is in the second state, the locking mechanism is used to restrict the sliding of the connecting frame 21 relative to the cabinet 1.

[0116] In practice, depending on the actual situation, the locking mechanism can be omitted, and the connecting frame 21 can be restricted by hand. In this embodiment, the locking mechanism restricts the sliding of the connecting frame 21 relative to the cabinet 1 when the bearing mechanism 2 is in the second state. This can avoid the problem of the connecting frame 21 sliding and affecting the operation when the electrical components on the board are being inspected, wired, or replaced. It is highly practical.

[0117] The connecting frame 21 includes a horizontal bar 211, which is slidably connected to the cabinet 1, and the end of the horizontal bar 211 away from the vertical bar 212 is rotatably connected to the lower end of the support plate 22.

[0118] The locking mechanism includes a gear 31, a locking block 32, a transmission block 33, and an elastic mechanism 34 for driving the locking block 32 to move downward. In this embodiment, the elastic mechanism 34 is preferably a compression spring installed between the crossbar 211 and the locking block 32. In practice, a torsion spring for driving the gear 31 to rotate can also be installed between the crossbar 211 and the gear 31 as the elastic mechanism 34 to drive the locking block 32 to move downward.

[0119] Gear 31 is rotatably mounted on crossbar 211. Locking block 32 and transmission block 33 are both vertically slidably mounted on crossbar 211 and located on both sides of gear 31. Both locking block 32 and transmission block 33 are equipped with racks that mesh with gear 31. The upper end face of transmission block 33 is inclined outward from top to bottom.

[0120] The cabinet 1 also includes a mounting component 14, which is fixedly installed on the back panel 11 and located between two adjacent load-bearing mechanisms 2;

[0121] The lower end of the bottom connecting bracket 21 is slidably connected to the base plate 13;

[0122] The lower ends of the remaining connecting brackets 21 are slidably connected to the corresponding mounting parts 14;

[0123] When the bearing mechanism 2 is in the first state, the lower end face of the side plate 23 abuts against the upper end face of the crossbar 211, and the lower end face of the locking block 32 is located above the upper end face of the connecting frame 21.

[0124] When the bearing mechanism 2 is in the second state, the upper end face of the transmission block 33 is above the upper end face of the crossbar 211, and the lower end face of the locking block 32 is below the upper end face of the connecting frame 21.

[0125] In practice, depending on the actual situation, detachable bolts can be directly installed between the connecting frame 21 and the cabinet 1 to restrict the sliding of the connecting frame 21 relative to the cabinet 1. In this embodiment, a locking mechanism is formed by a gear 31, a locking block 32, a transmission block 33, and an elastic mechanism 34 for driving the locking block 32 to move downward. With the help of the mounting part 14, when the bearing mechanism 2 is in the second state, the function of restricting the sliding of the connecting frame 21 relative to the cabinet 1 is realized. At the same time, by pressing the transmission block 33 with the side plate 23, the locking block 32 is driven to rise through the gear 31, so that the lower end face of the locking block 32 is above the upper end face of the connecting frame 21, thereby releasing the restriction of the sliding of the connecting frame 21 relative to the cabinet 1.

[0126] The first limiting member 210 and the second limiting member 220 are both limiting blocks that are fixedly installed on the support plate 22.

[0127] In practice, depending on the actual situation, the first limiting member 210 and the second limiting member 220 can also be set as ropes to limit the maximum rotation angle of each component. In this embodiment, the first limiting member 210 and the second limiting member 220 are set as limiting blocks, which has a simple structure, stable support, and strong practicality.

[0128] There are two mounting pieces 14 between each of the two adjacent load-bearing mechanisms 2;

[0129] A connecting plate 15 is provided between two mounting components 14 at the same horizontal level.

[0130] In practice, depending on the actual situation, the mounting component 14 can be set as one. In this embodiment, the different bearing mechanisms 2 are separated by the connecting plate 15 to avoid the cables on different bearing mechanisms 2 from getting tangled together. At the same time, the structural strength of the mounting component 14 can be strengthened, making it more practical.

[0131] The outer wall of the support plate 22 is equipped with a first handle 221 and a second handle 222;

[0132] The first handle 221 is set vertically, and the second handle 222 is set horizontally.

[0133] In practice, depending on the actual situation, the support plate 22 can be operated directly without a handle, or only one handle can be provided. In this embodiment, two handles arranged in different directions facilitate the lateral pulling and flipping of the support plate 22, making it more convenient to use.

[0134] In this embodiment, when it is necessary to inspect, rewire, or replace the electrical components on the board assembly, the first handle 221 or the second handle 222 on the outer wall of the support plate 22 is grasped, and force is applied outward along the thickness direction of the cabinet 1. At this time, the bearing mechanism 2 is in the first state (e.g., Figure 1 As shown), the side plate 23 presses against the transmission block 33, causing the locking mechanism to be in the unlocked state, and the connecting frame 21 can slide freely; the sliders 140 at the upper and lower ends of the vertical rod 212 slide outward along the corresponding first slide groove 141 and second slide groove 142 until the entire plate assembly moves out of the horizontal projection range of the top plate 12 and the bottom plate 13, while the vertical rod 212 remains within the projection range of the cabinet 1 to maintain support (as shown). Figure 8 (as shown)

[0135] Move the support plate 22 to rotate it outward around the hinge axis with the crossbar 211. Under the transmission action of the meshing first bevel gear 241 and second bevel gear 242, the two side plates 23 rotate outward synchronously relative to the support plate 22; during the rotation, the lower end face of the side plate 23 gradually separates from the upper end face of the crossbar 211, the transmission block 33 loses the pressing force of the side plate 23, and the elastic mechanism 34 drives the locking block 32 to move vertically downward, so that the inner wall of the locking block 32 abuts against the outer wall of the mounting part 14 (e.g., Figure 5 and Figure 6 (as shown)

[0136] Continue flipping until the first limiting member 210 and the second limiting member 220 are triggered, the angle α between the support plate 22 and the back plate 11 reaches 100° and the angle β between the side plate 23 and the support plate 22 reaches 180°, and the bearing mechanism 2 enters the second state (e.g. Figure 2 and Figure 3(As shown). At this time, the lower end face of the locking block 32 moves down to below the lower end face of the connecting frame 21, forming a locking limit, restricting the sliding of the connecting frame 21 relative to the cabinet 1, and the plate group maintains a stable unfolded posture, so that the electrical components on the inner wall of the support plate 22 and the side plate 23 can be inspected, wired or replaced.

[0137] After maintenance, wiring, or replacement operations are completed, push the support plate 22 upwards, causing it to rotate inwards around the hinge axis. Simultaneously, the bevel gear transmission mechanism drives the two side plates 23 to retract inwards relative to the support plate 22 until the lower end face of the side plate 23 abuts against the upper end face of the crossbar 211, and the end face of the side plate 23 away from the support plate 22 abuts against the vertical bar 212. At this time, the lower end face of the side plate 23 re-presses the transmission block 33, causing the transmission block 33 to move vertically downwards. Through the transmission engagement of the gear 31 and rack, the locking block 32 is driven to rise vertically, releasing the sliding limit on the connecting frame 21 (e.g., Figure 7 (As shown).

[0138] Pushing the support plate 22 inward causes the connecting frame 21 to slide along the first slide groove 141 and the second slide groove 142 into the cabinet 1 until the vertical rod 212 slides to the inner end of the slide groove, at which point the entire supporting mechanism 2 retracts into the cabinet 1 (e.g., Figure 1 (As shown).

[0139] After the support plate 22 and side plate 23 are fully retracted, the bearing mechanism 2 returns to its first state: the plate assembly and back plate 11 form a closed ring structure with a horizontal projection, and the whole falls within the projection range of the top plate 12 and bottom plate 13; the end face of the side plate 23 abuts against the inner wall of the support plate 22, the lower end face abuts against the upper end face of the crossbar 211, and the side end abuts against the vertical bar 212, the locking mechanism remains unlocked, and all reset operations are completed (e.g. Figure 1 (As shown).

[0140] The above provides a detailed description of a high-voltage switchgear for easy maintenance in a virtual power plant, as provided by the present invention. The specific embodiments described are merely for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A high-voltage switchgear for easy maintenance in a virtual power plant, characterized in that: include: The cabinet (1) includes a back panel (11), a top panel (12) and a bottom panel (13), with the top panel (12) and the bottom panel (13) located at the upper and lower ends of the back panel (11), respectively. The support mechanism (2) includes a connecting frame (21) and an inner wall plate assembly for mounting electrical components; The connecting frame (21) is slidably installed on the cabinet (1) along the thickness direction of the cabinet (1) and is located between the top plate (12) and the bottom plate (13); The plate assembly includes a support plate (22) and two side plates (23); The lower end of the support plate (22) is rotatably mounted on the connecting frame (21). A first limiting member (210) is installed between the support plate (22) and the connecting frame (21). The first limiting member (210) is used to limit the maximum rotation angle of the support plate (22) relative to the connecting frame (21). The two side plates (23) are rotatably mounted on both sides of the support plate (22). A second limiting member (220) is installed between the side plate (23) and the support plate (22). The second limiting member (220) is used to limit the maximum rotation angle of the side plate (23) relative to the support plate (22). The bearing mechanism (2) includes a first state and a second state; When the bearing mechanism (2) is in the first state, the horizontal projection of the enclosed structure of the bearing mechanism and the back plate (11) is a closed ring, and falls within the horizontal projection range of the top plate (12) and the bottom plate (13). The end face of the side plate (23) near the support plate (22) abuts against the inner wall of the support plate (22), and the lower end face abuts against the connecting frame (21). When the bearing mechanism (2) is in the second state, the plate group is located outside the horizontal projection range of the top plate (12) and the bottom plate (13), the included angle between the support plate (22) and the back plate (11) is α, the α is greater than 0° and less than 180°, the included angle between the side plate (23) and the support plate (22) is β, the β is greater than 90° and less than 270°.

2. The high-voltage switchgear for easy maintenance in a virtual power plant according to claim 1, characterized in that: α is 100° and β is 180°.

3. The high-voltage switchgear for easy maintenance in a virtual power plant according to claim 1, characterized in that: There are multiple supporting mechanisms (2), and the multiple supporting mechanisms (2) are arranged in an array along the height direction of the cabinet (1).

4. A high-voltage switchgear for easy maintenance in a virtual power plant according to claim 3, characterized in that: The connecting frame (21) is L-shaped and consists of a horizontal bar (211) and a vertical bar (212) that are fixedly connected. The end of the horizontal bar (211) away from the vertical bar (212) is rotatably connected to the lower end of the support plate (22); The cabinet (1) also includes a mounting component (14), which is fixedly installed on the back panel (11) and located between two adjacent load-bearing mechanisms (2); The upper end of the uppermost vertical rod (212) is slidably connected to the top plate (12), and the lower end is slidably connected to the corresponding mounting part (14); The upper end of the bottom vertical rod (212) is slidably connected to the corresponding mounting part (14), and the lower end is slidably connected to the base plate (13); The upper and lower ends of the middle vertical rod (212) are slidably connected to the corresponding mounting parts (14); When the bearing mechanism (2) is in the first state, the lower end face of the side plate (23) abuts against the upper end face of the cross bar (211), and the end face of the side plate (23) away from the support plate (22) abuts against the vertical bar (212). When the bearing mechanism (2) is in the second state, the vertical rod (212) is located within the horizontal projection range of the top plate (12) and the bottom plate (13).

5. A high-voltage switchgear for easy maintenance in a virtual power plant according to claim 4, characterized in that: The upper end face of the mounting component (14) and the upper end face of the bottom plate (13) are provided with a first groove (141) along the thickness direction of the cabinet (1). The lower end face of the mounting component (14) and the lower end face of the top plate (12) are provided with a second sliding groove (142) along the thickness direction of the cabinet (1). Both ends of the vertical rod (212) are provided with sliders (140), and the sliders (140) are slidably disposed in the first groove (141) or the second groove (142).

6. A high-voltage switchgear for easy maintenance in a virtual power plant according to claim 1, characterized in that: A transmission mechanism is installed between the connecting frame (21) and the side plate (23), the transmission mechanism being used for: When the support plate (22) flips outward relative to the connecting frame (21), it causes the side plate (23) to flip outward relative to the support plate (22); When the support plate (22) flips inward relative to the connecting frame (21), it causes the side plate (23) to flip inward relative to the support plate (22).

7. A high-voltage switchgear for easy maintenance in a virtual power plant according to claim 6, characterized in that: The transmission mechanism includes a first bevel gear (241) and a second bevel gear (242) that mesh with each other. The first bevel gear (241) is fixedly mounted on the connecting frame (21), and the axis of the first bevel gear (241) is coaxial with the rotational connection axis of the connecting frame (21) and the support plate (22); The second bevel gear (242) is fixedly mounted on the side plate (23), and the axis of the second bevel gear (242) is coaxial with the rotational connection axis of the side plate (23) and the support plate (22).

8. A high-voltage switchgear for easy maintenance in a virtual power plant according to claim 3, characterized in that: A locking mechanism is installed on the connecting frame (21); When the support mechanism (2) is in the second state, the locking mechanism is used to restrict the sliding of the connecting frame (21) relative to the cabinet (1).

9. A high-voltage switchgear for easy maintenance in a virtual power plant according to claim 8, characterized in that: The connecting frame (21) includes a crossbar (211), which is slidably connected to the cabinet (1), and the end of the crossbar (211) away from the vertical bar (212) is rotatably connected to the lower end of the support plate (22); The locking mechanism includes a gear (31), a locking block (32), a transmission block (33), and an elastic mechanism (34) for driving the locking block (32) to move downward. The gear (31) is rotatably mounted on the crossbar (211). The locking block (32) and the transmission block (33) are both vertically slidably mounted on the crossbar (211) and located on both sides of the gear (31). The locking block (32) and the transmission block (33) are both equipped with racks that mesh with the gear (31). The upper end face of the transmission block (33) is inclined outward from top to bottom. The cabinet (1) also includes a mounting component (14), which is fixedly installed on the back panel (11) and located between two adjacent load-bearing mechanisms (2); The lower end of the bottom connecting frame (21) is slidably connected to the base plate (13); The lower ends of the remaining connecting brackets (21) are slidably connected to the corresponding mounting parts (14); When the bearing mechanism (2) is in the first state, the lower end face of the side plate (23) abuts against the upper end face of the crossbar (211), and the lower end face of the locking block (32) is located above the upper end face of the connecting frame (21). When the bearing mechanism (2) is in the second state, the upper end face of the transmission block (33) is above the upper end face of the crossbar (211), and the lower end face of the locking block (32) is below the upper end face of the connecting frame (21).

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