An internal space-adjustable power metering cabinet

Abstract

The application discloses an internal space adjustable electric power metering cabinet, which comprises a base, a metering cabinet body is installed on the top of the base, a cabinet door is installed on the front of the metering cabinet body, a supporting plate is installed on the middle section inside the metering cabinet body, an instrument room is formed above the supporting plate, and a mutual inductor room is formed below the supporting plate; a first hollow square tube is installed at the center of the top of the supporting plate; the application realizes flexible configuration of the three-dimensional space inside the metering cabinet. Users can independently adjust the height of the first mounting plate in the instrument room, the height of the second mounting plate in the mutual inductor room and the horizontal and front and back positions of the fourth mounting plate in the third supporting assembly according to the size, shape and quantity of actual equipment. The design effectively improves the adaptability and utilization rate of the metering cabinet and avoids the waste of replacing the whole cabinet body due to equipment replacement or upgrading.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric power metering equipment, in particular to an electric power metering cabinet with adjustable internal space. BACKGROUND

[0002] The cabinet body installed with electric power special metering table and metering device is called electric power metering cabinet, and the core use is electric energy metering and trade settlement, which is the most fundamental use of the metering cabinet. The electric energy meter and related current transformer and voltage transformer installed in the cabinet are compulsorily inspected and certified by the national measurement department. These devices work together to accurately measure the active and reactive power consumed by the user in a period of time, thereby generating an electricity bill. This is the only legal basis for the power supply company to charge the user.

[0003] The patent No. CN202010319226.3 proposes an electric power metering cabinet, which comprises a cabinet body, a cabinet door arranged on one side of the cabinet body and movably connected with the cabinet body through a hinge, a base arranged below the cabinet body and connected with the inside of the cabinet body, and a top cover arranged above the cabinet body and fixedly connected with the top of the cabinet body. A water pipe is arranged in the hollow cavity of the cabinet body and the base. The electric power metering cabinet can quickly dissipate heat, the cabinet body is made of a composite material with good insulation and flame retardation effect, is not easy to deform, is durable, can ensure personnel safety, and can reduce the occurrence of safety accidents.

[0004] The above-mentioned patent still has some defects, for example, although the composite material with good insulation and flame retardation effect is adopted to ensure the durability, the internal space cannot be reasonably adjusted. With the deepening of the construction of smart grid, the functional requirements of electric power metering cabinets are increasingly diversified. Different user scenarios have significant differences in the requirements for internal equipment: for example, some users need to install reactive power compensation devices, some need to increase capacity or replace larger size intelligent circuit breakers, and distributed photovoltaic users need to add grid-connected switches and anti-islanding devices in the cabinet. However, the internal structure of the traditional metering cabinet is rigid, the positions of the installation beams, guide rails and busbar rows are fixedly designed, and the internal space is not adjustable. This leads to serious challenges when facing the capacity expansion, functional expansion or upgrading requirements of the above-mentioned equipment: insufficient available space, new equipment cannot be installed; unreasonable space layout leads to difficult wiring; in order to meet the new requirements, the metering cabinet needs to be replaced as a whole, causing huge material waste and construction cost, and long power outage time, affecting normal power consumption of users, so we need to propose an electric power metering cabinet with adjustable internal space. SUMMARY

[0005] The present application aims to provide an electric power metering cabinet with adjustable internal space, which has the advantage of facilitating reasonable adjustment of the internal space to realize equipment capacity expansion and functional expansion, thereby solving the problems raised in the background.

[0006] To achieve the above object, the application provides the following technical scheme: an internal space adjustable power metering cabinet, comprising a base, a metering cabinet body is installed on the top of the base, a cabinet door is installed on the front of the metering cabinet body, a support plate is installed at the middle of the inside of the metering cabinet body, an instrument room is formed above the support plate, and a mutual inductor room is formed below the support plate;

[0007] A first hollow square tube is installed at the center of the top of the support plate, the top of the first hollow square tube is connected with the top of the inner cavity of the metering cabinet body, and first support assemblies capable of adjusting the space according to the shape of the instrument are installed on both sides of the first hollow square tube;

[0008] First locking assemblies for locking the positions of the first support assemblies are installed at the bottom of the first support assemblies;

[0009] A second hollow square tube is installed at the center of the bottom of the inner cavity of the metering cabinet body, the top of the second hollow square tube is connected with the bottom of the support plate, and a second support assembly for reasonably installing extension equipment is installed at the bottom of the inner cavity of the metering cabinet body and on one side of the second hollow square tube;

[0010] A lifting assembly for adjusting the position of the second support assembly is installed at the bottom of the support plate, and the lifting assembly is connected with the top of the second support assembly through a cable;

[0011] A third support assembly for reasonably adjusting the installation space of mutual inductor equipment is installed at the bottom of the inner cavity of the metering cabinet body and on the other side of the second hollow square tube.

[0012] Preferably, the first support assembly comprises a first mounting plate, the first mounting plate is arranged on both sides of the first hollow square tube, first limiting grooves are formed on the front and back of the first hollow square tube, first limiting sliding blocks matched with the first limiting grooves are installed on the side of the first mounting plate close to the first hollow square tube, and the first limiting sliding blocks are slidingly connected in the first limiting grooves.

[0013] Preferably, first housings are installed on both sides of the inner cavity of the metering cabinet body, a sliding rod is installed in the first housings, a moving sleeve is slidingly sleeved on the surface of the sliding rod, and the moving sleeve slidingly extends to the outside of the first housing on one side and is connected with one side of the first mounting plate.

[0014] Preferably, the first locking assembly comprises sliding sleeves installed on both sides of the bottom of the first mounting plate, plug rods are slidingly inserted into the sliding sleeves, springs are detachably installed between the two plug rods, and plug holes matched with the plug rods are formed on the surface of the first hollow square tube and the surface of the first housing at equal intervals.

[0015] Preferably, the second supporting assembly comprises vertical rods mounted on one side of the bottom of the inner cavity of the metering cabinet body, the vertical rods are arranged in a rectangular shape, the outer part of the vertical rods is sleeved with a second mounting plate, the top of the vertical rods is provided with a third mounting plate, the two sides of the third mounting plate are provided with second limiting sliding blocks, the second hollow square tube and the inner wall of the metering cabinet body are provided with second limiting sliding grooves matched with the second limiting sliding blocks, and the second limiting sliding blocks slide into the inside of the second limiting sliding grooves.

[0016] Preferably, the inner side of the vertical rod is provided with a clamping groove, the two sides of the bottom of the second mounting plate are provided with fixing plates, the fixing plates are provided with a supporting rod, the surface of the supporting rod is sleeved with a vertical plate, and the side of the vertical plate close to the clamping groove is provided with a clamping plate which is slidably connected with the clamping groove.

[0017] Preferably, the lifting assembly comprises a control box, the control box is mounted on the bottom of the supporting plate, the inside of the control box is rotatably provided with a winding roller, and one end of the winding roller rotatably extends to the outside of the control box and is provided with a rotating disc.

[0018] Preferably, the outside of the control box is provided with positioning holes at equal intervals and taking the winding roller as the center, one side of the rotating disc is threadedly connected with a lead screw, one end of the lead screw extends to the inside of the positioning hole, one end of the cable slidably penetrates through the control box and is connected with the surface of the winding roller, and the bottom of the cable is connected with the top of the third mounting plate.

[0019] Preferably, the third supporting assembly comprises a connecting plate slidably inserted into the bottom of the supporting plate, the bottom of the connecting plate is slidably connected with the bottom of the metering cabinet body, and the two sides of the connecting plate are rotatably provided with fourth mounting plates.

[0020] Preferably, the inner wall of the metering cabinet body and the inner wall of the second hollow square tube are provided with grooves, the inside of the grooves is rotatably provided with a positioning plate, and the bottom of the fourth mounting plate is attached to the top of the positioning plate.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] The present application realizes flexible configuration of the three-dimensional space inside the metering cabinet. Users can independently adjust the height of the first mounting plate in the instrument room, the height of the second mounting plate in the mutual inductor room and the horizontal and front and back positions of the fourth mounting plate in the third supporting assembly according to the size, shape and quantity of actual equipment. This design effectively improves the adaptability and utilization rate of the metering cabinet and avoids the waste of replacing the entire cabinet body due to equipment replacement or upgrading.

[0023] This invention, by adjusting the height of the second support component, facilitates the lifting of heavy electrical equipment with relatively little effort and allows for locking via a lead screw. This facilitates maintenance and wiring operations at the bottom of these heavy electrical devices. Furthermore, by adjusting the position of the second support component, the space above and below it can be flexibly adjusted. After the main structure or equipment inside the transformer room is installed, this flexible adjustment of the vertical space makes it easier to install expansion equipment and optimizes the use of limited space, facilitating the addition of expansion devices. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal structure of the metering cabinet body of the present invention;

[0026] Figure 3 This is a schematic diagram of the metering cabinet body of the present invention;

[0027] Figure 4 This is a cross-sectional view of the control box of the present invention;

[0028] Figure 5 This is a bottom view of the second mounting plate of the present invention;

[0029] Figure 6 For the present invention Figure 5 A magnified view of a portion of area A in the middle;

[0030] Figure 7 This is a bottom view of the fourth mounting plate of the present invention;

[0031] Figure 8 For the present invention Figure 3 A magnified view of a portion of area B in the middle;

[0032] Figure 9 This is a bottom view of the structure of the first mounting plate of the present invention;

[0033] Figure 10 This is a cross-sectional view of the first housing of the present invention;

[0034] Figure 11 This is a schematic diagram of the socket structure of the present invention.

[0035] In the figure: 1, base; 2, metering cabinet body; 3, cabinet door; 4, support plate; 5, instrument room; 6, mutual inductor room; 7, first hollow square tube; 8, first support assembly; 81, first mounting plate; 82, first limiting groove; 83, first limiting sliding block; 84, first shell; 85, sliding rod; 86, moving sleeve; 9, first locking assembly; 91, sliding sleeve; 92, insertion rod; 93, spring; 94, insertion hole; 10, second hollow square tube; 11, second support assembly; 12, vertical rod; 13, second mounting plate; 14, third mounting plate; 15, second limiting sliding block; 16, second limiting sliding groove; 17, clamping groove; 18, fixed plate; 19, support rod; 20, vertical plate; 21, clamping plate; 22, lifting assembly; 23, control box; 24, winding roller; 25, rotating disc; 26, screw rod; 27, third support assembly; 28, connecting plate; 29, fourth mounting plate; 30, groove; 31, positioning plate; 32, cable. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] Please refer to Figures 1-11 The present application provides a technical solution: an internal space adjustable electric power metering cabinet, comprising a base 1, the top of the base 1 is provided with a metering cabinet body 2, the front of the metering cabinet body 2 is provided with a cabinet door 3, an instrument room 5 for installing precision instruments such as electric energy meters and collection terminals is formed above a support plate 4, and a mutual inductor room 6 for installing heavy equipment such as current transformers and voltage transformers is formed below the support plate 4.

[0038] Among them, the center of the top of the support plate 4 is provided with a first hollow square tube 7, the top of the first hollow square tube 7 is connected with the top of the inner cavity of the metering cabinet body 2, and the two sides of the first hollow square tube 7 are provided with first support assemblies 8 which can adjust the space according to the shape of the instrument; the first support assembly 8 comprises a first mounting plate 81, the first mounting plate 81 is used for directly installing equipment such as electric energy meters, the first mounting plate 81 is arranged on the two sides of the first hollow square tube 7, first limiting grooves 82 are formed on the front and back of the first hollow square tube 7, a first limiting sliding block 83 matched with the first limiting groove 82 is arranged on the side of the first mounting plate 81 close to the first hollow square tube 7, and the first limiting sliding block 83 is slidingly connected in the first limiting groove 82. The first limiting sliding block 83 is embedded in the first limiting groove 82 and can slide up and down, so as to ensure that the first mounting plate 81 can only move smoothly in the vertical direction and prevent it from shaking forward and backward.

[0039] In order to further enhance the stability and load-bearing capacity of the first mounting plate 81, first housings 84 are installed on both sides of the inner cavity of the metering cabinet body 2, and sliding rods 85 are installed inside the first housings 84. The surfaces of the sliding rods 85 are slidingly sleeved with moving sleeves 86, one side of the moving sleeves 86 slidingly extends to the outside of the first housings 84 and is connected with one side of the first mounting plate 81. This design makes the two sides and the middle of the first mounting plate 81 supported and guided at three points, and the structure is very stable.

[0040] A first locking assembly 9 for flexible locking the position of the first support assembly 8 is installed at the bottom of the first support assembly 8; the first locking assembly 9 includes sliding sleeves 91 installed on both sides of the bottom of the first mounting plate 81, and plug rods 92 are slidingly inserted into the inside of the sliding sleeves 91. The two plug rods 92 are detachably installed with springs 93, and the surfaces of the first hollow square tubes 7 and the surfaces of the first housings 84 are equally spaced to be provided with plug holes 94 matched with the plug rods 92. The springs 93 provide the plug rods 92 with a continuous pushing force towards the first hollow square tubes 7 or the first housings 84. When it is necessary to adjust the height of the first mounting plate 81, the operator pulls the plug rods 92 on both sides outward, compresses the springs 93, and makes the end of the plug rod 92 exit from the current plug hole 94. Then the first mounting plate 81 can be slid up and down to the desired height. After the plug rods 92 are released, the end of the plug rod 92 will automatically pop into the plug hole 94 aligned with the position under the action of the spring 93, completing the locking. The structure is simple and reliable, and can be quickly adjusted without tools.

[0041] Further, in order to facilitate the installation of extended devices such as reactive power compensation controllers and intelligent switches, a second hollow square tube 10 is installed at the center of the bottom of the inner cavity of the metering cabinet body 2, the top of the second hollow square tube 10 is connected with the bottom of the support plate 4, and a second support assembly 11 for reasonably installing the extended devices is installed at the bottom of the inner cavity of the metering cabinet body 2 and on one side of the second hollow square tube 10; the second support assembly 11 includes vertical rods 12 installed on one side of the bottom of the inner cavity of the metering cabinet body 2, the vertical rods 12 are arranged in a rectangular shape, a second mounting plate 13 is slidingly sleeved with the outside of the vertical rods 12, a third mounting plate 14 is installed at the top of the vertical rods 12, the second mounting plate 13 can be used to place the extended devices, and second limiting sliding blocks 15 are installed on both sides of the third mounting plate 14. Second limiting sliding grooves 16 matched with the second limiting sliding blocks 15 are formed in the inner wall of the metering cabinet body 2 and the second hollow square tube 10, and the second limiting sliding blocks 15 slidingly extend into the inside of the second limiting sliding grooves 16. The second limiting sliding blocks 15 are embedded in the second limiting sliding grooves 16, which makes the third mounting plate 14 and the second mounting plate 13 move stably in the vertical direction.

[0042] The inner side of the vertical rod 12 is provided with a clamping groove 17, the bottom of the second mounting plate 13 is provided with a fixing plate 18 on both sides, the fixing plates 18 are provided with a supporting rod 19, the surface of the supporting rod 19 is slidably provided with a vertical plate 20, and the side of the vertical plate 20 close to the clamping groove 17 is provided with a clamping plate 21 which is slidably clamped with the clamping groove 17. Normally, the clamping plate 21 is embedded in the clamping groove 17 under the additional manual pushing action, preventing the second mounting plate 13 from moving. When adjustment is needed, the vertical plate 20 is only moved to make the clamping plate 21 disengage from the clamping groove 17, so that the height of the second mounting plate 13 can be freely adjusted, and the clamping plate 21 is pushed again to be clamped into the corresponding clamping groove 17.

[0043] In order to realize the labor-saving and accurate lifting of the second support assembly 11, the bottom of the supporting plate 4 is provided with a lifting assembly 22 for adjusting the position of the second support assembly 11, and the lifting assembly 22 is connected with the top of the second support assembly 11 through a cable 32. The lifting assembly 22 comprises a control box 23 installed on the bottom of the supporting plate 4, and a winding roller 24 rotatably installed in the control box 23. One end of the winding roller 24 extends to the outside of the control box 23 and is provided with a rotating disc 25. A plurality of positioning holes are equidistantly arranged on the outside of the control box 23 and centered on the winding roller 24. A lead screw 26 is threadedly connected to one side of the rotating disc 25, and one end of the lead screw 26 extends into the positioning hole. One end of the cable 32 slidably penetrates the control box 23 and is wound around the surface of the winding roller 24, and the bottom of the cable 32 is connected with the top of the third mounting plate 14. In order to prevent the winding roller 24 from being accidentally reversed and causing the position to slide, when the second support assembly 11 is adjusted to the required height by rotating the rotating disc 25, the lead screw 26 is screwed so that the end thereof is tightly inserted into a certain positioning hole, thereby realizing mechanical self-locking and ensuring the safety of the load bearing.

[0044] Furthermore, the adjustment of the height of the second support assembly 11 can facilitate the lifting of some heavy power equipment, and is relatively labor-saving and can be locked by the lead screw 26, which can facilitate the maintenance and wiring operations on the bottom of these heavy power equipment. In addition, by adjusting the position of the second support assembly 11, the space above and below the second support assembly 11 can be flexibly adjusted. After the main structure or equipment inside the mutual inductor room 6 is installed, the upper and lower spaces are flexibly adjusted, which facilitates the installation of the expansion equipment and the reasonable use of the limited space, and facilitates the addition of the expansion equipment.

[0045] Specifically, the bottom of the inner cavity of the metering cabinet body 2 and the other side of the second hollow square tube 10 are provided with a third supporting assembly 27 for reasonably adjusting the installation space of the mutual inductance device. The third supporting assembly 27 comprises a connecting plate 28 slidingly inserted into the bottom of the supporting plate 4, the bottom of the connecting plate 28 is slidingly connected with the bottom of the metering cabinet body 2, and the two sides of the connecting plate 28 are both provided with a fourth mounting plate 29 which is rotationally mounted. The inner walls of the metering cabinet body 2 and the second hollow square tube 10 are both provided with a groove 30, the inner part of the groove 30 is rotationally mounted with a positioning plate 31, and the bottom of the fourth mounting plate 29 is attached to the top of the positioning plate 31. The fourth mounting plate 29 is used for mounting the mutual inductor. When the fourth mounting plate 29 is horizontally rotated and unfolded, an installation platform can be provided; when it is vertically retracted, space can be saved. When the fourth mounting plate 29 is rotated to the horizontal position, the bottom edge thereof is just placed on the top of the positioning plate 31 which is turned over, and the main weight thereof is borne by the positioning plate 31. When the positioning plate 31 does not need to be supported, it can be retracted into the groove 30, so that the inner wall is kept flat.

[0046] By arranging the first supporting assembly 8, the second supporting assembly 11 and the third supporting assembly 27, different space adjustment strategies (height adjustment, overall lifting, horizontal unfolding) are designed for different equipment characteristics (precision instruments, heavy expansion equipment, mutual inductors) of the instrument room and the mutual inductor room. They together realize the collaborative division and flexible configuration of the three-dimensional space (height, depth, width) inside the metering cabinet, so that the limited cabinet space can be dynamically and optimally allocated according to the equipment combination, breaking through the fixed and rigid limitation of the traditional cabinet space.

[0047] The present application realizes the flexible configuration of the three-dimensional space inside the metering cabinet through the above-mentioned three sets of adjustable supporting assemblies. The user can independently adjust the height of the first mounting plate 81 in the instrument room 5, the height of the second mounting plate 13 in the mutual inductor room 6 and the horizontal and front and back positions of the fourth mounting plate 29 in the third supporting assembly 27 according to the size, shape and quantity of the actual equipment. This design effectively improves the adaptability and utilization rate of the metering cabinet, avoids the waste of replacing the entire cabinet body due to equipment replacement or upgrading, and meets the urgent needs of flexible deployment of power metering equipment under the development of smart grid.

[0048] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable internal space power metering cabinet, comprising a base (1), a metering cabinet body (2) mounted on the top of the base (1), a cabinet door (3) mounted on the front of the metering cabinet body (2), a support plate (4) mounted in the middle section inside the metering cabinet body (2), an instrument chamber (5) formed above the support plate (4), and a transformer chamber (6) formed below the support plate (4). Its features are: A first hollow square tube (7) is installed at the center of the top of the support plate (4). The top of the first hollow square tube (7) is connected to the top of the inner cavity of the metering cabinet body (2). A first support component (8) that can be spatially adjusted according to the shape of the instrument is installed on both sides of the first hollow square tube (7). The bottom of the first support component (8) is equipped with a first locking component (9) for locking the position of the first support component (8); A second hollow square tube (10) is installed at the center of the bottom of the inner cavity of the metering cabinet body (2). The top of the second hollow square tube (10) is connected to the bottom of the support plate (4). A second support component (11) for installing the expansion equipment is installed at the bottom of the inner cavity of the metering cabinet body (2) and on one side of the second hollow square tube (10). The bottom of the support plate (4) is equipped with a lifting component (22) for adjusting the position of the second support component (11), and the lifting component (22) is connected to the top of the second support component (11) by a cable (32). A third support component (27) for adjusting the installation space of mutual inductance equipment is installed at the bottom of the inner cavity of the metering cabinet body (2) and on the other side of the second hollow square tube (10). The first support component (8) includes a first mounting plate (81), which is disposed on both sides of the first hollow square tube (7). The first hollow square tube (7) has a first limiting groove (82) on both the front and rear sides. A first limiting slider (83) adapted to the first limiting groove (82) is installed on the side of the first mounting plate (81) near the first hollow square tube (7). The first limiting slider (83) is slidably connected to the inside of the first limiting groove (82). The second support assembly (11) includes a vertical rod (12) installed on one side of the bottom of the inner cavity of the metering cabinet body (2). The vertical rod (12) is arranged in a rectangular shape. A second mounting plate (13) is slidably sleeved on the outside of the vertical rod (12). A third mounting plate (14) is installed on the top of the vertical rod (12). A second limiting slider (15) is installed on both sides of the third mounting plate (14). A second limiting groove (16) adapted to the second limiting slider (15) is opened on the inner wall of the second hollow square tube (10) and the metering cabinet body (2). The second limiting slider (15) slides into the interior of the second limiting groove (16). The metering cabinet body (2) has a first housing (84) installed on both sides of the inner cavity. A slide rod (85) is installed inside the first housing (84). A movable sleeve (86) is slidably sleeved on the surface of the slide rod (85). One side of the movable sleeve (86) slides to the outside of the first housing (84) and connects to one side of the first mounting plate (81). The first locking component (9) includes a sliding sleeve (91) installed on both sides of the bottom of the first mounting plate (81). A plug rod (92) is slidably inserted into the inside of the sliding sleeve (91). A spring (93) is detachably installed between the two plug rods (92). The surface of the first hollow square tube (7) and the surface of the first housing (84) are equally spaced and have insertion holes (94) that are compatible with the plug rods (92).

2. The power metering cabinet with adjustable internal space according to claim 1, characterized in that: The inner side of the vertical rod (12) is provided with a slot (17), and the bottom sides of the second mounting plate (13) are both equipped with fixing plates (18). A support rod (19) is installed between the fixing plates (18). A vertical plate (20) is slidably sleeved on the surface of the support rod (19). A card plate (21) that is slidably engaged with the slot (17) is installed on the side of the vertical plate (20) near the slot (17).

3. The power metering cabinet with adjustable internal space according to claim 2, characterized in that: The lifting assembly (22) includes a control box (23), which is installed at the bottom of the support plate (4). A winding roller (24) is rotatably installed inside the control box (23), and one end of the winding roller (24) extends rotatably to the outside of the control box (23) and is fitted with a turntable (25).

4. The power metering cabinet with adjustable internal space according to claim 3, characterized in that: The control box (23) has a positioning hole on its exterior. A screw (26) is threaded onto one side of the turntable (25). One end of the screw (26) extends into the positioning hole. One end of the cable (32) slides through the control box (23) and is wound around the surface of the winding roller (24). The bottom of the cable (32) is connected to the top of the third mounting plate (14).

5. The power metering cabinet with adjustable internal space according to claim 4, characterized in that: The third support component (27) includes a connecting plate (28) that is slidably inserted into the bottom of the support plate (4). The bottom of the connecting plate (28) is slidably engaged with the bottom of the metering cabinet body (2). A fourth mounting plate (29) is rotatably installed on both sides of the connecting plate (28).

6. The power metering cabinet with adjustable internal space according to claim 5, characterized in that: The inner wall of the metering cabinet body (2) and the inner wall of the second hollow square tube (10) are both provided with grooves (30). A positioning plate (31) is rotatably installed inside the groove (30). The bottom of the fourth mounting plate (29) is attached to the top of the positioning plate (31).

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