Modular electric energy metering box based on smart grid

Abstract

The application relates to the technical field of electric energy boxes, and particularly discloses a modular electric energy metering box based on a smart power grid, which comprises a mounting mechanism and an auxiliary mechanism arranged in the electric energy metering box, the auxiliary mechanism is located on one side of the mounting mechanism close to a box door, the mounting mechanism comprises a fixed shaft and a sleeve, a mounting seat is fixedly arranged on the outer wall of the sleeve, and the side, away from the sleeve, of the mounting seat is provided with mounting assemblies arranged at intervals, the electric energy meter of the front layer in the electric energy metering box can move a certain distance and rotate again in the rotating process, so that the electric energy meter of the front layer can be completely located outside the electric energy metering box, the size of the electric energy meter of the front layer does not hinder the box body, the electric energy meter of the front layer can only rotate a small angle, the electric energy meter of the rear layer can be completely exposed, a larger number of electric energy meters can be integrated in the electric energy metering box, and the actual maintenance and replacement are facilitated.

Description

Technical Field

[0001] This invention relates to the field of power metering box technology, specifically a modular power metering box based on a smart grid. Background Technology

[0002] Modular energy metering boxes for smart grids, with their flexibility, intelligence, and efficiency, have become a core component for upgrading modern power systems. Compared to traditional energy metering boxes, they offer numerous advantages through their highly flexible modular design, adaptability to diverse scenarios, and multi-dimensional sensing capabilities for comprehensive status monitoring. Furthermore, their robust communication and interconnection capabilities support intelligent operation and maintenance, making them increasingly prevalent in smart grids.

[0003] When installing a large number of electricity meters in a relatively compact space, the space inside the electricity metering box needs to be optimized to meet the actual usage. Existing electricity metering boxes usually use a top-bottom layer and horizontal arrangement to install electricity meters. However, in smaller spaces, especially when the installation height is insufficient, a front-back layer arrangement is usually used to install electricity meters.

[0004] Based on existing technologies, the following problems exist: Existing energy metering boxes with front and rear layered energy meters have certain shortcomings. The front row of energy meters can obstruct the rear row of energy meters. When performing maintenance or replacement of the rear row of energy meters, it is usually necessary to remove the front row of energy meters, which is cumbersome. To solve the above problems, a modular energy metering box based on smart grid is proposed. Summary of the Invention

[0005] To achieve the above objectives, the present invention provides the following technical solution: a modular energy metering box based on a smart grid, comprising an energy metering box, a box door, an energy meter, and a guide rail, and further comprising an installation mechanism and an auxiliary mechanism disposed inside the energy metering box, the auxiliary mechanism being located on the side of the installation mechanism near the box door, and the installation mechanism comprising: A fixed shaft is fixedly mounted on the inner wall of the energy metering box. A sleeve is rotatably mounted on the side wall of the fixed shaft. A mounting base is fixedly mounted on the outer wall of the sleeve. Mounting components are arranged at intervals on the side of the mounting base away from the sleeve. The mounting components include: The first groove is formed on the side of the mounting base away from the sleeve. The inner wall of the first groove is provided with a second groove, and the inner wall diameter of the second groove is larger than the inner wall diameter of the first groove. A hinge frame is fitted onto the inner wall of the second groove. A first plate is hinged to the side of the hinge frame closest to the first groove. A second plate is fixedly mounted on the side of the first plate away from the hinge frame. A mounting plate is fixedly mounted on the side of the second plate away from the first plate. The mounting plate is fixedly connected to the guide rail.

[0006] Furthermore, the top and bottom of the hinge frame are respectively fitted to the top inner wall and bottom inner wall of the second groove, and the two sides of the hinge frame are respectively fitted to the two side inner walls of the second groove. The sidewall of the second plate is fitted with the inner sidewall of the first groove. The sidewalls of the second plate and the first plate have the same length, and the length of the second plate along the axial direction of the fixed shaft is greater than the length of the first plate along the axial direction of the fixed shaft.

[0007] Furthermore, the mounting components also include: The third groove is provided at the top and bottom of the hinge frame, and the inner wall of the third groove is fixed with a rotating part. The hinge rod is fixedly installed on the side of the first plate away from the second plate and extends to the top and bottom of the first plate, respectively. The two ends of the hinge rod are rotatably connected to the rotating parts in the two third grooves.

[0008] Furthermore, the mounting components also include: A rotating through groove is formed on the side wall of the mounting base and communicates with the first groove and the second groove. The top inner wall and bottom inner wall of the rotating through groove are respectively attached to the top and bottom of the first plate, so that after the first plate moves to the farthest position from the sleeve, the first plate has room to rotate in the rotating through groove.

[0009] Furthermore, a rubber block is fixedly sleeved on the inner wall of the second groove. The rubber block is made of elastic rubber material and is located on the inner wall of the second groove near the sleeve. The inner wall of the power metering box is fixedly provided with a support seat. A fourth groove is provided on the side of the support seat near the sleeve. A third plate is fixedly provided on the side of the mounting plate away from the second plate. The side wall of the third plate is adapted to the inner wall of the fourth groove. The sides of the third plate and the support seat that are close to each other are both arc-shaped. A limit component is provided at the bottom of the third plate.

[0010] Furthermore, the limiting component includes: The socket is fixedly installed at the bottom of the third plate. The bottom of the socket has a slot and the outer side of the bottom of the socket is designed with a bevel. The limiting seat is fixedly installed on the bottom inner wall of the electricity metering box. The limiting seat has a plug rod inside, the top of the plug rod is arc-shaped, and the upper end of the side wall of the plug rod is adapted to the inner wall of the slot.

[0011] Furthermore, the limiting component also includes: The fifth groove is located at the top of the limiting seat, and the bottom inner wall of the fifth groove is provided with a sixth groove, the inner wall diameter of the sixth groove being larger than the inner wall diameter of the fifth groove. A limiting ring is fixedly sleeved on the side wall of the insertion rod, and the outer wall of the limiting ring is in contact with the inner wall of the sixth groove. The side wall of the insertion rod is in contact with the inner wall of the fifth groove. A spring is sleeved on the inner wall of the sixth groove, and the spring is located at the bottom of the limiting ring.

[0012] Furthermore, the auxiliary mechanism includes: An electric slip ring is fixedly installed on the top of the electricity metering box. A first wire is installed at the top end of the electric slip ring, and a second wire is installed at the inside end of the electric slip ring. The column is fixedly installed on the bottom inner wall of the electricity metering box. An air bladder is fixedly fitted on the side wall of the column. The second wire is wound along the outer wall of the air bladder and extends towards the electricity meter.

[0013] Furthermore, after the airbag is inflated, the outer wall of the airbag forms a concave structure, and the concave structure is designed in a spiral shape so that the second wire is arranged along the inner side of the concave structure. The column is located on the side of the mounting base near the box door, and there is a gap between it and the mounting base. The second guide wire is provided with the length required for the mounting plate to be hinged and rotated.

[0014] Furthermore, the auxiliary mechanism also includes: A limiting plate is fixedly installed on the side wall of the column and extends to the outside of the airbag. A baffle is fixedly installed on the top of the limiting plate. An elastic band is fitted around the outside of the airbag and the second guide wire to restrain the second guide wire.

[0015] This invention provides a modular energy metering box based on a smart grid. Compared with existing technologies, it has the following advantages: 1. This invention enables the electricity meters in the front layer of the electricity metering box to move a certain distance and rotate again during rotation, so that the electricity meters in the front layer can be completely located outside the electricity metering box. This avoids the problem of the size of the electricity meters in the front layer obstructing the box and limiting their rotation to a small angle. This allows the electricity meters in the back layer to be fully exposed, facilitating the integration of a larger number of electricity meters in the electricity metering box, and also facilitating actual maintenance and replacement.

[0016] 2. This invention limits the second plate by using the second groove, so that the third plate and the first plate do not rotate relative to the hinge frame. The third plate is limited by the fourth groove, so that the mounting base and sleeve do not rotate relative to the fixed axis. This ensures the stability of the preceding energy meter, facilitates the rotation of the preceding energy meter, and makes it easy to lock after rotation, ensuring the stability of the energy meter in subsequent use. In addition, the structure is simple, occupies less space in the energy metering box, and fits the actual use situation.

[0017] 3. This invention limits the third plate and the mounting plate in different directions by using limiting components and mounting components, thereby improving the stability of the third plate and thus improving the stability of the electricity meter installation. In addition, by making the bottom outer side of the socket beveled, the third plate allows the plug to enter the slot during rotation, which is convenient for actual limiting use.

[0018] 4. The present invention ensures the stability of the electricity meter wiring during the rotation, movement and re-rotation of the electricity meter through the auxiliary mechanism. When the electricity meter is reset, the extended part of the second wire is supported by the air bag to reduce the looseness, thereby facilitating practical use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the energy meter of the present invention; Figure 3 This is a schematic diagram of the installation mechanism, auxiliary mechanism, and energy meter structure of the present invention; Figure 4 This is a schematic diagram of the installation mechanism structure of the present invention; Figure 5 This is a longitudinal sectional view of the mounting base, sleeve, and abutment of the present invention; Figure 6 For the present invention Figure 5 A magnified structural diagram of A in the middle; Figure 7 This is a schematic cross-sectional view of the mounting base and sleeve of the present invention; Figure 8 For the present invention Figure 7 A magnified structural diagram of B in the diagram; Figure 9 This is a schematic diagram of the installation component structure of the present invention; Figure 10 This is a schematic diagram of the first groove, the second groove, and the rotating through groove of the present invention; Figure 11 This is an exploded view of the hinge frame and hinge rod of the present invention; Figure 12 This is a schematic diagram of the first groove, second groove, rotating through groove, and mounting base structure of the present invention; Figure 13 This is a schematic diagram of the limiting component structure of the present invention; Figure 14 This is a schematic diagram of the auxiliary mechanism structure of the present invention; Figure 15 This is a schematic diagram of the elastic ring, second conduit, and airbag explosion structure of the present invention; Figure 16 This is a schematic diagram of the limiting plate, baffle and airbag structure of the present invention.

[0020] The reference numerals in the above figures are as follows: 1. Electricity metering box; 2. Electricity meter; 3. Box door; 4. Installation mechanism; 5. Auxiliary mechanism; 6. Guide rail; 41. Fixed shaft; 42. Sleeve; 43. Mounting base; 44. Mounting assembly; 45. Third plate; 46. Abutment; 47. Limiting assembly; 48. Fourth groove; 441. Rubber block; 442. Hinge frame; 443. Second plate; 444. Mounting plate; 445. Second groove; 446. First groove; 447. Rotating through groove; 448. First plate; 449. Hinge rod; 4491. Third groove; 471. Socket; 472. Slot; 473. Insert rod; 474. Fifth groove; 475. Sixth groove; 476. Limiting ring; 477. Limiting seat; 51. First conductor; 52. Electric slip ring; 53. Elastic ring; 54. Column; 55. Airbag; 56. Second conductor; 57. Concave structure; 58. Limiting plate; 59. Baffle. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Example 1, please refer to Figures 1-6 A modular energy metering box 1 based on a smart grid includes an energy metering box 1, a box door 3, an energy meter 2, and a guide rail 6. The guide rail 6 is used to fix the energy meter 2. In addition, other electronic devices used in the modular energy metering box 1 of the smart grid, such as remote controllers and protectors, can be installed on a mounting plate 444 and rotate with the mounting plate 444. The guide rail 6 also includes a mounting mechanism 4 and an auxiliary mechanism 5 disposed inside the energy metering box 1. The auxiliary mechanism 5 is located on the side of the mounting mechanism 4 near the box door 3. The mounting mechanism 4 includes: A fixed shaft 41 is fixedly mounted on the inner wall of the energy metering box 1. A sleeve 42 is rotatably mounted on the side wall of the fixed shaft 41. A mounting base 43 is fixedly mounted on the outer wall of the sleeve 42. A mounting assembly 44 is arranged at intervals on the side of the mounting base 43 away from the sleeve 42. The mounting assembly 44 includes: The first groove 446 is formed on the side of the mounting base 43 away from the sleeve 42. The inner wall of the first groove 446 is provided with a second groove 445. The inner wall diameter of the second groove 445 is larger than the inner wall diameter of the first groove 446. A hinge frame 442 is fitted onto the inner wall of the second groove 445. A first plate 448 is hinged to the side of the hinge frame 442 near the first groove 446. A second plate 443 is fixedly mounted on the side of the first plate 448 away from the hinge frame 442. A mounting plate 444 is fixedly mounted on the side of the second plate 443 away from the first plate 448. The mounting plate 444 is fixedly connected to the guide rail 6.

[0023] In implementing this invention, when installing a large number of electricity meters 2 in a relatively compact space, the space inside the electricity metering box 1 needs to be rationally optimized to meet actual usage requirements. Existing electricity metering boxes 1 typically use a top-bottom, horizontally arranged configuration to install the electricity meters 2. However, in smaller spaces, especially when installation height is insufficient, a front-to-back arrangement is commonly used. This front-to-back arrangement makes it inconvenient to repair or replace the meters 2 in the next layer during use. Therefore, the installation mechanism 4 allows the front-layer electricity meters 2 to rotate, and during rotation, they are further deflected, allowing them to rotate outside the electricity metering box 1, thus exposing the electricity metering box 1 behind them for easy repair and replacement. After repair or replacement, the front-layer electricity meters 2 can be reset and locked to ensure stable operation. During rotation, an auxiliary mechanism 5 restricts the wires connected to the electricity meters 2, ensuring connection stability while allowing them to rotate with the front-layer electricity meters 2.

[0024] Please see Figures 7-12 The top and bottom of the hinge frame 442 are respectively attached to the top inner wall and bottom inner wall of the second groove 445, and the two sides of the hinge frame 442 are respectively attached to the two side inner walls of the second groove 445. The sidewall of the second plate 443 is fitted with the inner sidewall of the first groove 446. The sidewalls of the second plate 443 and the first plate 448 have the same length. The length of the second plate 443 along the axial direction of the fixed shaft 41 is greater than the length of the first plate 448 along the axial direction of the fixed shaft 41.

[0025] Installation component 44 also includes: The third groove 4491 is provided at the top and bottom of the hinge frame 442, and the inner wall of the third groove 4491 is fixedly provided with a rotating part. The hinge rod 449 is fixedly disposed on the side of the first plate 448 away from the second plate 443, and extends to the top and bottom of the first plate 448 respectively. The two ends of the hinge rod 449 are rotatably connected to the rotating parts in the two third grooves 4491 respectively.

[0026] Installation component 44 also includes: The rotating through groove 447 is opened on the side wall of the mounting base 43 and communicates with the first groove 446 and the second groove 445. The top inner wall and bottom inner wall of the rotating through groove 447 are respectively attached to the top and bottom of the first plate 448, so that after the first plate 448 moves to the farthest position from the sleeve 42, the first plate 448 has room to rotate in the rotating through groove 447.

[0027] A rubber block 441 is fixedly sleeved on the inner wall of the second groove 445. The rubber block 441 is made of elastic rubber material and is located on the inner wall of the second groove 445 near the sleeve 42. The inner wall of the power metering box 1 is fixedly provided with a support 46. A fourth groove 48 is provided on the side of the support 46 near the sleeve 42. A third plate 45 is fixedly provided on the side of the mounting plate 444 away from the second plate 443. The side wall of the third plate 45 is adapted to the inner wall of the fourth groove 48. The sides of the third plate 45 and the support 46 that are close to each other are both arc-shaped. A limit component 47 is provided at the bottom of the third plate 45.

[0028] In practice, when it is necessary to repair or replace the electricity meter 2 on the next layer, the staff first opens the box door 3, then pulls the third plate 45, causing the third plate 45, mounting plate 444, second plate 443, and first plate 448 to move closer to the fixed shaft 41. This causes the hinge frame 442 to squeeze the rubber block 441, allowing the third plate 45 to move along the length of the mounting plate 444, thus disengaging the third plate 45 from the fourth groove 48. Because the sleeve 42 and the fixed shaft 4... 1. Rotate the connection. Then, rotate the third plate 45, thereby rotating the mounting plate 444, the guide rail 6, and the energy meter 2, mounting base 43, and sleeve 42 mounted on the guide rail 6. This causes the energy meter 2 in the front layer to rotate as a whole around the center point of the fixed shaft 41. During this process, the third plate 45 is pulled, causing the mounting plate 444 to move away from the fixed shaft 41. This, in turn, drives the second plate 443, the first plate 448, and the hinge frame 442 to move, so that the hinge frame 442 moves closer to the first groove 446. When the hinge frame 442 abuts against the inner wall of the first groove 446, the hinge rod 449 is rotatably connected to the hinge frame 442. At this time, the first plate 448 can rotate within the rotating through groove 447, thereby rotating the third plate 45. The mounting plate 444 rotates along the center point of the hinge rod 449, so that the entire energy meter 2 of the previous layer rotates along the center point of the hinge rod 449. During the rotation of the entire energy meter 2 of the previous layer, it can move a certain distance and rotate again, thereby moving along the mounting base 43. The length of the mounting plate 444 and the distance the first plate 448 moves are adapted to the size of the electricity meter 2, so that the electricity meter 2 of the front layer can be completely outside the electricity metering box 1 after rotation. This avoids the electricity meter 2 of the front layer being unable to rotate only a small angle due to the size of the electricity meter 2 of the front layer obstructing the box. This makes it easier for the electricity meter 2 of the back layer to be fully exposed, which is convenient for actual maintenance and replacement. It also prevents the electricity meter 2 of the front layer from occupying the front space of the box door 3 and affecting the operation of the staff.

[0029] After repairing or replacing the electricity meter 2 on the next layer, rotate the third plate 45 in the reverse direction. During this process, the third plate 45, mounting plate 444, second plate 443, and first plate 448 move closer to the fixed shaft 41, causing the hinge shaft to abut against the rubber block 441 until the third plate 45 is firmly against the abutment 46. Continue rotating the third plate 45 so that it squeezes the rubber block 441 under the pressure of the abutment 46 and enters the fourth groove 48, thus limiting the position of the third plate 45. At this time, the hinge frame 442 and the first plate 448 are located in the second groove 445. The second plate 443 is limited by the second groove 445, so that the third plate 45, mounting plate 444, second plate 443, and first plate 448 do not rotate relative to the hinge frame 442. The third plate 45 is limited by the fourth groove 48, so that the mounting base 43 and sleeve 42 do not rotate relative to the fixed shaft 41. This ensures the stability of the previous layer of electricity meter 2, facilitates the rotation of the previous layer of electricity meter 2, and facilitates locking it after rotation, ensuring the stability of the electricity meter 2 in subsequent use. The structure is simple, occupies less space in the electricity metering box 1, and fits the actual use situation.

[0030] The arrangement of the first groove 446, the rotating through groove 447, and the second groove 445 allows the hinge frame 442 to move against the inner wall of the second groove 445. After the hinge frame 442 is pressed against the inner wall of the first groove 446, the first plate 448 can rotate along the rotating through groove 447. This provides the first plate 448 and the mounting plate 444 with a certain amount of movement space during rotation around the center point of the fixed axis 41, and allows them to rotate again along the hinge rod 449, facilitating the complete rotation of the electricity meter 2 in the front layer to the outside of the electricity metering box 1. Furthermore, when the hinge frame 442 is pressed against the rubber block 441, the first groove 446 restricts the rotation of the second plate 443, preventing the second plate 443, the first plate 448, the mounting plate 444, and the third plate 45 from rotating along the hinge rod 449, thus ensuring stability.

[0031] The rubber block 441 provides elastic support to the hinge frame 442, thereby improving the stability of the third plate 45 located in the fourth groove 48.

[0032] Please see Figure 13 The limiting component 47 includes: The socket 471 is fixedly installed at the bottom of the third plate 45. The bottom of the socket 471 has a slot 472 and the outer side of the bottom of the socket 471 is designed with a bevel. The limiting seat 477 is fixedly installed on the bottom inner wall of the power metering box 1. The limiting seat 477 is fitted with a plug rod 473. The top of the plug rod 473 is arc-shaped, and the upper end of the side wall of the plug rod 473 is adapted to the inner wall of the slot 472.

[0033] Limiting component 47 also includes: The fifth groove 474 is opened on the top of the limiting seat 477. The bottom inner wall of the fifth groove 474 is provided with a sixth groove 475. The inner wall diameter of the sixth groove 475 is larger than the inner wall diameter of the fifth groove 474. The limiting ring 476 is fixedly sleeved on the side wall of the insertion rod 473, and the outer wall of the limiting ring 476 is in contact with the inner side wall of the sixth groove 475. The side wall of the insertion rod 473 is in contact with the inner side wall of the fifth groove 474. A spring is sleeved on the inner wall of the sixth groove 475, and the spring is located at the bottom of the limiting ring 476.

[0034] In practical implementation, when the third plate 45 is detached from the fourth groove 48, the operator pulls the insertion rod 473 to compress the spring and move it downwards, thereby disengaging the insertion rod 473 from the socket 471 to facilitate the rotation of the third plate 45, etc. When the third plate 45 is inserted into the fourth groove 48, by designing the bottom outer side of the socket 471 as a slope, the third plate 45 compresses the insertion rod 473 during rotation, causing the insertion rod 473 to overcome the spring force and move downwards. Thus, after the third plate 45 enters the fourth groove 48, the insertion rod 473 enters the slot 472. Therefore, by inserting the third plate 45 into the fourth groove 48 and the insertion rod 473 into the slot 472, the third plate 45, etc., is limited in different directions, improving the stability of the fixed third plate 45, etc., thereby improving the stability of the electricity meter 2.

[0035] Example 2, please refer to Figures 14-16 The technical difference between this embodiment and Embodiment 1 lies in that the auxiliary mechanism 5 includes: An electric slip ring 52 is fixedly installed on the top of the electricity metering box 1. A first wire 51 is provided at one end of the electric slip ring 52 located on the top of the electricity metering box 1, and a second wire 56 is provided at the other end of the electric slip ring 52 located inside the electricity metering box 1. The column 54 is fixedly installed on the bottom inner wall of the power metering box 1. An air bag 55 is fixedly sleeved on the side wall of the column 54. The second wire 56 is wound along the outer wall of the air bag 55 and extends towards the power meter 2.

[0036] After the airbag 55 is inflated, the outer wall of the airbag 55 forms a concave structure 57, and the concave structure 57 is designed in a spiral shape so that the second guide wire 56 is arranged along the inner side of the concave structure 57. The column 54 is located on the side of the mounting base 43 near the door 3, and there is a gap between it and the mounting base 43. The second guide wire 56 is provided with the length required for the mounting plate 444 to be hinged and rotated.

[0037] Auxiliary mechanism 5 also includes: The limiting plate 58 is fixedly installed on the side wall of the column 54 and extends to the outside of the airbag 55. A baffle 59 is fixedly installed on the top of the limiting plate 58. Elastic ring 53 is fitted on the outside of airbag 55 and second guide wire 56 to restrain the second guide wire 56.

[0038] In practical implementation, when the electricity meter 2 in the front layer is rotated, the second wire 56 deflects accordingly along the inner side of the concave structure 57 on the outer side of the airbag 55. The second wire 56 is provided with the length required for the mounting plate 444 to be hinged and rotated. In addition, under the action of the slip ring 52, the stability of the wiring is ensured during the rotation, movement and re-rotation of the electricity meter 2. When the electricity meter 2 is reset, the extended part of the second wire 56 is reduced in looseness under the support of the airbag 55, thus facilitating actual use.

[0039] By setting an airbag 55 on the side wall of the column 54, when the second wire 56 is wound along the outer wall of the airbag 55 and connected to the energy meter 2, the second wire 56 has a certain tension length between the slip ring 52 and the energy meter 2, and the second wire 56 has the length required for the mounting plate 444 to hinge and rotate. Thus, when the second wire 56 rotates with the energy meter 2, the energy meter 2 in the previous layer will have a certain displacement. In order to avoid the second wire 56 from becoming taut or even breaking, the second wire 56 can squeeze the airbag 55 and rotate with the energy meter 2, ensuring the stability of the wiring.

[0040] By setting a threaded concave structure 57, it is easy to limit the deflection of the second guide wire 56, and the elastic ring 53 binds the second guide wire 56 from the outside, further improving the stability of the second guide wire 56 on the outside of the airbag 55. The limiting plate 58 makes it easy for the elastic rope to tighten the second guide wire 56, and the baffle 59 prevents the elastic rope from slipping upward.

[0041] Both the second conductor 56 and the first conductor 51 are multi-strand wires, which are not shown in the figure. The number of wires depends on the number of electronic devices in the electricity meter 2 and the electricity metering box 1. This is existing technology and will not be elaborated here.

[0042] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the invention 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 to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular smart grid based electric energy metering cabinet comprising of an electric energy metering cabinet, a cabinet door, an electric energy meter and a guide rail, characterized in that, It also includes an installation mechanism and an auxiliary mechanism installed inside the electricity metering box. The auxiliary mechanism is located on the side of the installation mechanism near the box door. The installation mechanism includes: A fixed shaft is fixedly mounted on the inner wall of the energy metering box. A sleeve is rotatably mounted on the side wall of the fixed shaft. A mounting base is fixedly mounted on the outer wall of the sleeve. Mounting components are arranged at intervals on the side of the mounting base away from the sleeve. The mounting components include: The first groove is formed on the side of the mounting base away from the sleeve. The inner wall of the first groove is provided with a second groove, and the inner wall diameter of the second groove is larger than the inner wall diameter of the first groove. A hinge frame is fitted onto the inner wall of the second groove. A first plate is hinged to the side of the hinge frame closest to the first groove. A second plate is fixedly mounted on the side of the first plate away from the hinge frame. A mounting plate is fixedly mounted on the side of the second plate away from the first plate. The mounting plate is fixedly connected to the guide rail.

2. The modular power metering box based on smart grid according to claim 1, characterized in that, The top and bottom of the hinge frame are respectively fitted to the top inner wall and bottom inner wall of the second groove, and the two sides of the hinge frame are respectively fitted to the two side inner walls of the second groove. The sidewall of the second plate is fitted with the inner sidewall of the first groove. The sidewalls of the second plate and the first plate have the same length, and the length of the second plate along the axial direction of the fixed shaft is greater than the length of the first plate along the axial direction of the fixed shaft.

3. The modular smart grid based electric energy metering box as claimed in claim 1, wherein, The installation components also include: The third groove is provided at the top and bottom of the hinge frame, and the inner wall of the third groove is fixed with a rotating part. The hinge rod is fixedly installed on the side of the first plate away from the second plate and extends to the top and bottom of the first plate, respectively. The two ends of the hinge rod are rotatably connected to the rotating parts in the two third grooves.

4. The modular smart grid based electric energy metering box as claimed in claim 1, wherein, The installation components also include: A rotating through groove is formed on the side wall of the mounting base and communicates with the first groove and the second groove. The top inner wall and bottom inner wall of the rotating through groove are respectively attached to the top and bottom of the first plate, so that after the first plate moves to the farthest position from the sleeve, the first plate has room to rotate in the rotating through groove.

5. The modular smart grid based electric energy metering box as claimed in claim 1, wherein, A rubber block is fixedly fitted on the inner wall of the second groove. The rubber block is made of elastic rubber and is located on the inner wall of the second groove near the sleeve. The inner wall of the power metering box is fixedly provided with a support seat. A fourth groove is provided on the side of the support seat near the sleeve. A third plate is fixedly provided on the side of the mounting plate away from the second plate. The side wall of the third plate is adapted to the inner wall of the fourth groove. The sides of the third plate and the support seat that are close to each other are both arc-shaped. A limit component is provided at the bottom of the third plate.

6. The modular smart grid based energy metering box as claimed in claim 5, wherein, The limiting component includes: The socket is fixedly installed at the bottom of the third plate. The bottom of the socket has a slot and the outer side of the bottom of the socket is designed with a bevel. The limiting seat is fixedly installed on the bottom inner wall of the electricity metering box. The limiting seat has a plug rod inside, the top of the plug rod is arc-shaped, and the upper end of the side wall of the plug rod is adapted to the inner wall of the slot.

7. The modular smart grid based energy metering box as claimed in claim 6, wherein, The limiting component also includes: The fifth groove is located at the top of the limiting seat, and the bottom inner wall of the fifth groove is provided with a sixth groove, the inner wall diameter of the sixth groove being larger than the inner wall diameter of the fifth groove. A limiting ring is fixedly sleeved on the side wall of the insertion rod, and the outer wall of the limiting ring is in contact with the inner wall of the sixth groove. The side wall of the insertion rod is in contact with the inner wall of the fifth groove. A spring is sleeved on the inner wall of the sixth groove, and the spring is located at the bottom of the limiting ring.

8. The modular smart grid based electric metering box as claimed in claim 1, wherein, The auxiliary mechanism includes: An electric slip ring is fixedly installed on the top of the electricity metering box. A first wire is installed at the top end of the electric slip ring, and a second wire is installed at the inside end of the electric slip ring. The column is fixedly installed on the bottom inner wall of the electricity metering box. An air bladder is fixedly fitted on the side wall of the column. The second wire is wound along the outer wall of the air bladder and extends towards the electricity meter.

9. The modular smart grid based energy metering box as claimed in claim 8, wherein, After the airbag is inflated, the outer wall of the airbag forms a concave structure, and the concave structure is designed in a spiral shape so that the second wire is arranged along the inner side of the concave structure. The column is located on the side of the mounting base near the box door, and there is a gap between it and the mounting base. The second guide wire is provided with the length required for the mounting plate to be hinged and rotated.

10. The modular smart grid based electric energy metering box as claimed in claim 8, wherein, The auxiliary mechanism also includes: A limiting plate is fixedly installed on the side wall of the column and extends to the outside of the airbag. A baffle is fixedly installed on the top of the limiting plate. An elastic band is fitted around the outside of the airbag and the second guide wire to restrain the second guide wire.

Images