Aluminum alloy single-phase electric energy metering box

Through the snap connection between the aluminum alloy shell and the module frame, combined with vibration-absorbing and permanent magnet shielding structure, the problem of time-consuming and magnetic field interference of the power metering box is solved, the maintenance efficiency and metering accuracy are improved, and the service life of the instrument parts is extended.

CN120545809AActive Publication Date: 2025-08-26ZHEJIANG TIANSHUN GLASS FIBER REINFORCED PLASTIC
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Patent Information

Application Number
CN202510700764.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-28
Publication Date
2025-08-26
Estimated Expiration
2045-05-28

AI Technical Summary

Technical Problem

During the maintenance and maintenance of the existing power metering box, it takes a long time to disassemble the metering instrument module, which affects the maintenance efficiency and lacks effective vibration-absorbing and anti-magnetic field interference measures, which affects the stability and metering accuracy of the instrument parts.

Method used

The housing made of aluminum alloy material, combined with the clamp and the slot, is equipped with a vibration damping device and a permanent magnet shielding structure, including a vibration damping plate, vibration damping spring, permanent magnet, shielding frame and limiting plate. It can quickly disassemble and stabilize the connection through the return spring and guide rod to reduce external impact and magnetic field interference.

Benefits of technology

It realizes rapid disassembly and replacement of instrument parts, improves maintenance efficiency, enhances the stability and metering accuracy of instrument parts, reduces the impact of magnetic field interference on instrument parts, and extends the service life.

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Abstract

The invention relates to an aluminum alloy single-phase electric energy metering box, and relates to the field of electrical equipment protection and installation, the aluminum alloy single-phase electric energy metering box comprises an aluminum alloy single-phase electric energy metering box, a shell of the electric energy metering box is internally provided with a bottom plate and forms a wiring cavity, and the bottom plate is provided with a plugging device and a damping device. The plugging device comprises a module frame detachably connected with the bottom plate, a buckle penetrating through the fixing plate and clamped with the bottom plate, a guide rod connected with the bottom plate and penetrating through the module frame and the like; the damping device comprises a damping plate which is connected with the shell through a damping spring and connected with the bottom plate in a clamped mode and the like. The damping device is further provided with various magnetic field interference resisting structures and other auxiliary parts. The electric energy metering box achieves the technical effects of facilitating equipment installation and disassembly, enhancing vibration damping performance and effectively resisting magnetic field interference, thereby ensuring stable operation and accurate metering of electrical equipment in the electric energy metering box.
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Description

Technical Field

[0001] The present application relates to the technical field of electric power metering equipment, and in particular to an aluminum alloy single-phase electric energy metering box. Background Art

[0002] An energy meter box is a container or enclosure used to house and protect metering devices such as electricity, water, and gas meters. It not only provides physical protection for the meter, ensuring a safe working environment, but also facilitates management and maintenance of the instrument. Depending on the installation location, energy meter boxes are categorized as indoor or outdoor. Indoor energy meter boxes are suitable for installation inside buildings, such as in basements and hallway walls. Outdoor energy meter boxes are typically installed on outdoor walls or on utility poles.

[0003] In related technologies, when workers repair and maintain an electricity meter box, they often need to use tools to remove modules such as meters from the electricity meter box. This process takes a long time and affects the workers' maintenance efficiency. Summary of the Invention

[0004] In order to improve maintenance efficiency, the present application provides an aluminum alloy single-phase electricity metering box.

[0005] The present application provides an aluminum alloy single-phase electric energy meter box adopting the following technical solution: An aluminum alloy single-phase electric energy meter box comprises a shell, a bottom plate is arranged in the shell, the bottom plate and the shell cooperate to form a wiring cavity, and a plug-in device and a vibration reduction device are arranged on the bottom plate; The connector includes: The module frame is detachably connected to the base plate, a fixed plate is connected to the module frame, and an instrument component is installed in the fixed plate; The buckle passes through the fixed plate and is engaged with the bottom plate. The buckle is fixed with a rotating shaft, and the rotating shaft is rotatably connected with the fixed plate. A guide rod is connected to the base plate and passes through the module frame; The vibration damping device includes: The vibration damping plate is connected to the shell through a vibration damping spring, and the vibration damping plate is clamped with the bottom plate.

[0006] By adopting this technical solution, the wiring cavity formed by the baseplate and housing facilitates the routing of external wires. The connector device achieves a detachable connection between the instrument components and the baseplate, facilitating their removal, replacement, or repair. Furthermore, the guide rod extends through the module frame, and the vibration damping plate is connected to the housing and clamped to the baseplate via a vibration damping spring, effectively connecting the instrument components to the baseplate and reducing external impact stress on the instrument components.

[0007] Optionally, a plurality of permanent magnets are fixed in the frame of the module frame. The permanent magnets are connected in sequence along the edge of the module frame, and two adjacent permanent magnets attract each other.

[0008] By adopting the above technical solution, multiple permanent magnets that are connected in sequence along the edge and attract each other are fixed in the module frame frame, which can form a circular closed magnetic circuit on the side of the module frame, reducing the impact of the magnetic field on the interior of the module frame. At the same time, adjacent module frames are attracted to each other through permanent magnets to form a magnetic array, which cooperates with the inner wall of the module slot to fix the position of the module frame, thereby increasing the stability of the instrument component.

[0009] Optionally, the inner wall of the module frame is connected to a shielding frame for resisting magnetic field interference. The shielding frame matches the shape of the inner wall of the module frame. The shielding frame is stamped to form a shielding groove. A shielding block for resisting magnetic field interference is inserted into the shielding groove. The instrument component is installed in the shielding cavity formed by the shielding frame; the surface of the module frame away from the fixed plate is connected to a shielding plate for resisting magnetic field interference.

[0010] By adopting the above technical solution, a matching shielding frame is set on the inner wall of the module frame, the shielding frame is punched to form a shielding groove and a shielding block is inserted inside, a shielding plate is set on the side of the module frame away from the fixed plate, and the instrument components are installed in the shielding cavity enclosed by the shielding frame, which directionally suppresses the magnetic field around the permanent magnet and reduces the influence of the permanent magnet's magnetic field on the instrument components in the module frame.

[0011] Optionally, a module slot communicating with the wiring cavity is opened on the bottom plate, a limit plate capable of resisting magnetic field interference is connected to the bottom of the module slot, and the limit plate is inserted into the module frame.

[0012] By adopting the above technical solution, the direction of the magnetic field generated by the permanent magnet can be further controlled, so that a stable magnetic connection can be generated between adjacent module frames, the stability of the instrument components is enhanced, and the impact of the magnetic field on the instrument components in the module frames is further reduced.

[0013] Optionally, a clamping block is connected to the base plate, a clamping slot is opened on the clamping block, the clamping slot is clamped and fixed with the buckle, the clamping block is connected to a reset spring, and the reset spring abuts against the fixed plate; the buckle is connected to the inner wall of the module frame through a limit spring.

[0014] By adopting the above technical solution, the module frame and the base plate can be firmly connected by the clamping block and the buckle, and the reset spring abuts against the fixed plate. When the buckle is disengaged, the reset spring pushes the fixed plate and the module frame out of the module slot through the thrust generated by the deformation, which facilitates the disassembly, replacement or maintenance of the instrument components; the buckle is connected to the inner wall of the module frame through the limit spring to ensure the normal operation of the buckle.

[0015] Optionally, an inner rod is slidably connected to the guide rod, the inner rod passes through the module frame, and the end of the inner rod away from the base plate is connected to a first limit block; a guide spring is connected to the guide rod, and the guide rod is connected to the inner rod through a wire spring, and a second limit block is connected to the side of the inner rod opposite to the first limit block, and the second limit block abuts the module frame.

[0016] By adopting the above technical solution, the guide rod is connected to the inner rod by sliding inside, the inner rod passes through the module frame and limits the module frame through the first limit block and the second limit block. At the same time, the guide spring connects the guide rod and the inner rod, which can provide guidance and buffering for the installation and disassembly of the module frame, thereby enhancing the stability of the module frame installation and disassembly process.

[0017] Optionally, the guide rod is a gas spring, and the telescopic end of the gas spring is connected to the module frame.

[0018] By adopting the above technical solution, the guide rod is a gas spring and the telescopic end is connected to the module frame. When the buckle is disengaged from the connecting block, the telescopic end of the gas spring extends to assist the reset spring in pushing the module frame out of the module slot. The damping valve of the gas spring can also be adjusted to slow down the pop-up speed of the gas spring, thereby slowing down the speed at which the instrument component moves out of the module slot.

[0019] Optionally, a first limit frame is provided in the shell, the first limit frame is detachably connected to the second limit frame through a supporting plate, and the bottom plate is located between the first limit block and the second limit frame; the supporting plate and the vibration damping plate are connected through a vibration damping spring.

[0020] By adopting the above technical solution, the first limit frame and the second limit frame are used in conjunction with the supporting plate to limit the position of the base plate, making the installation of the base plate more stable; the supporting plate and the vibration damping plate are connected by a vibration damping spring, which further enhances the vibration damping effect of the vibration damping device and reduces the force of external impact on the instrument parts.

[0021] Optionally, the vibration reduction device further includes a vibration reduction airbag fixedly connected to the base plate, a vibration reduction hole is opened in the vibration reduction airbag, and the vibration reduction airbag is sleeved on the surface of the module frame through the vibration reduction hole; the vibration reduction airbag is filled with inert gas.

[0022] By adopting the above technical solution, the vibration-damping airbag is fixed on the base plate, and is installed on the surface of the module frame through the vibration-damping hole and filled with inert gas, which can further enhance the vibration-damping effect on the module frame and instrument components and reduce the impact of external shocks on the instrument components.

[0023] Optionally, the vibration-damping airbag is connected to a cold air generating device through a pipeline; the vibration-damping airbag is connected to an air outlet valve, and the air outlet valve is connected to the shell.

[0024] By adopting the above technical solution, the cold air generating device can inject low-temperature inert gas into the vibration-damping airbag, and the inert gas is discharged through the outlet valve, forming a cold air circulation in the vibration-damping airbag, thereby reducing the temperature of the instrument components in the shell during operation.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. The module frame and base plate are detachably connected via buckles and slots, and a reset spring cooperates with the buckle. During maintenance, the buckle is pressed to disengage from the connecting block. The reset spring pushes the fixing plate, allowing the module frame to pop out of the module slot, making it easy to remove, replace, or repair instrument components. This solves the cumbersome installation and removal of instrument components with traditional fixing methods. 2. The vibration reduction device includes a vibration reduction plate, a vibration reduction spring, and a vibration reduction airbag. It can reduce the external impact force on the instrument components, protect the instrument components from vibration, extend their service life, and improve measurement accuracy. This solves the problem of traditional electricity meter boxes lacking effective vibration reduction measures. 3. The permanent magnet, shielding frame, shielding plate and limit plate in the module frame work together to control the direction of the magnetic field generated by the permanent magnet, reduce the impact of the permanent magnet's magnetic field on the instrument components in the module frame, provide a stable working environment for the instrument components, improve measurement accuracy, and solve the problem of the traditional electric energy meter box lacking an anti-magnetic field interference structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present application; Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure along the AA plane; Figure 3 It is a structural diagram of Example 1 of the present application, mainly showing the bottom plate and the vibration damping plate; Figure 4 Figure 3 A partial enlarged schematic diagram of the structure at point A; Figure 5 yes Figure 3 Schematic diagram of the cross-sectional structure along plane BB; Figure 6 This is a structural diagram of Example 2 of the present application, mainly showing the bottom plate and the vibration damping plate; Figure 7 This is a structural diagram of Example 3 of the present application, mainly showing the bottom plate and the vibration damping plate; Figure 8 It is a schematic diagram of the overall structure of Example 4 of the present application.

[0027] Description of the drawings: 1. Shell; 2. Bottom plate; 3. Wiring cavity; 4. Connecting device; 401. Module frame; 402. Permanent magnet; 403. Shielding frame; 404. Shielding plate; 405. Limiting plate; 406. Fixing plate; 407. Buckle; 408. Limiting spring; 409. Connecting block; 410. Reset spring; 411. Guide rod; 412. Inner rod; 413. Guide spring; 5. Vibration damping device; 501. First limiting frame; 502. Second limiting frame; 503. Loading plate; 504. Vibration damping spring; 505. Vibration damping plate; 506. Vibration damping airbag; 6. Module slot; 7. Shielding slot; 8. Connecting block; 9. First limiting block; 10. Second limiting block; 11. Cold air generating device; 12. Exhaust valve. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1 -Attached Figure 8 , further details of this application are given.

[0029] Example 1: An aluminum alloy single-phase electric energy meter box, refer to Figure 1 、 Figure 2 , including a shell 1 made of aluminum alloy, the shell 1 is equipped with a base plate 2, the base plate 2 and the inner wall of the shell 1 cooperate to form a wiring cavity 3, in addition, a connector 4 and a vibration damping device 5 are provided on the base plate 2, wherein the connector 4 is used to connect the instrument component to the base plate 2, and the vibration damping device 5 is used to reduce the force of external impact on the instrument component.

[0030] Reference Figure 2 、 Figure 3 、 Figure 4 , a plurality of module slots 6 are provided on the bottom plate 2, and a wire slot connected to the wiring cavity 3 is provided at the bottom of the module slot 6. The plug-in device 4 includes a module frame 401 inserted into the module slot 6, and the cross-section of the module frame 401 is square. In addition, a plurality of stacked permanent magnets 402 are inserted into the square frame of the module frame 401. The permanent magnets 402 are fixed to the module frame 401 by resin glue, wherein adjacent permanent magnets 402 attract each other, thereby forming a circular closed magnetic circuit on the side of the module frame 401, thereby reducing the influence of the magnetic field on the inside of the module frame 401. At the same time, a gap of 0.5mm-1mm is set between the permanent magnets 402 in the same module frame 401, and a magnetic array is formed between adjacent module frames 401 through the mutual attraction of the permanent magnets 402, and the position of the module frame 401 is fixed in cooperation with the inner wall of the module slot 6.

[0031] A matching shielding frame 403 is fixedly connected to the inner wall of module frame 401. The outer surface of shielding frame 403 abuts the inner wall of module frame 401. Shielding frame 403 is entirely made of electrical pure iron and is sprayed with a fluorocarbon coating to increase its corrosion resistance. Shielding frame 403 is stamped with a shielding slot 7, which is inserted with an iron-nickel-molybdenum alloy and sealed with resin.

[0032] Reference Figure 2 、 Figure 4 A shielding plate 404 made of electrical pure iron is fixedly connected to the side of the module frame 401 away from the base plate 2. At the same time, a limiting plate 405 made of electrical pure iron, which matches the module frame 401, is fixedly connected to the bottom of the module slot 6. The limiting plate 405 is inserted into the module frame 401. The shielding frame 403, shielding plate 404, and limiting plate 405 cooperate to directionally suppress the magnetic field around the permanent magnet 402, ensuring a stable magnetic connection between adjacent module frames 401 and reducing the impact of the magnetic field on the interior space of the shielding frame 403.

[0033] The inner wall of the shielding frame 403 encloses a shielding cavity, and the inner wall of the shielding cavity is fixedly connected to a fixing plate 406. The instrument components are fixedly connected to the side of the fixing plate 406 away from the bottom plate 2, and the instrument components are located inside the shielding cavity.

[0034] A clip 407 extends through both sides of the fixed plate 406, connected to the inner wall of the shield frame 403 via a retaining spring 408. A pivot shaft is fixedly connected to the clip 407 at the connection point with the fixed plate 406, allowing it to be rotatably connected to the fixed plate 406 via the pivot shaft. Furthermore, two snap-in blocks 409 are fixedly connected to the bottom of the module slot 6, corresponding to the snaps 407. Each snap-in block 409 has a slot for engaging the snaps 407. The module frame 401 is removably connected to the base plate 2 through the engagement of the snaps 407 and the slots. Furthermore, a return spring 410 is fixedly connected to the snap-in block 409. The end of the return spring 410 abuts the fixed plate 406, and the return spring 410 engages with the snap 407. When the snap 407 is disengaged, the return spring 410 generates a thrust force that pushes the fixed plate 406 and the module frame 401 out of the module slot 6.

[0035] Reference Figure 4 、 Figure 5Four guide rods 411 are connected through the base plate 2 at the module slot 6, and the guide rods 411 extend into the wiring cavity 3. In addition, four connecting blocks 8 corresponding to the positions of the guide rods 411 are fixedly connected to the outer surface of the module frame 401. An inner rod 412 is slidably connected within the guide rod 411, and the inner rod 412 extends through the corresponding connecting blocks 8. The guide rod 411 is fixedly connected to the inner rod 412 via a guide spring 413. A first stopper 9 is fixedly connected to the end of the inner rod 412 away from the base plate 2. The first stopper 9 abuts the side of the module frame 401 away from the base plate 2. At the same time, a second stopper 10 is fixedly connected to the surface of the inner rod 412 between the module frame 401 and the bottom of the module slot 6. The second stopper 10 abuts the surface of the module frame 401 near the bottom of the module slot 6.

[0036] Reference Figure 2 、 Figure 3 The vibration damping device 5 includes a first limiting frame 501 fixedly connected to the inner wall of the housing 1. A supporting plate 503 is fixedly connected to the side of the first limiting frame 501 near the opening of the housing 1. A second limiting frame 502 is bolted to the side of the supporting plate 503 away from the first limiting frame 501. The first limiting frame 501 and the second limiting frame 502 cooperate to define the position of the bottom plate 2. One side of the supporting plate 503 abuts the housing 1, and the other side is fixedly connected to a number of vibration damping springs 504. A vibration damping plate 505 is fixedly connected to the vibration damping springs 504. The vibration damping plate 505 has a mounting slot defined therein, and its bottom is inserted into the mounting slot and abuts against the bottom of the mounting slot.

[0037] A vibration-damping airbag 506 is fixedly connected to the base plate 2. The vibration-damping airbag 506 is provided with a number of vibration-damping holes corresponding to the module frame 401. The vibration-damping airbag 506 is sleeved on the outer surface of the module frame 401 through the vibration-damping holes. In addition, the vibration-damping airbag 506 is filled with inert gas (IG-541).

[0038] The implementation principle of Example 1 of the present application is as follows: during installation, the first limiting frame 501 is first fixed to the housing 1 with bolts. Next, the vibration damping plate 505 on the supporting plate 503 is spliced ​​to the bottom plate 2. After the bottom plate 2 and the vibration damping plate 505 are spliced ​​together, the second limiting frame 502 is fixed to the supporting plate 503 with bolts. Subsequently, the vibration damping airbag 506 is fixedly connected to the bottom plate 2, with the vibration damping hole located at the edge of the module slot 6.

[0039] After base plate 2 is installed, the connecting block 8 on module frame 401 is inserted into the inner rod 412, so that module frame 401 abuts against the second stop block 10. The module frame 401 is then secured with the first stop block 9. External wires pass through the wiring cavity 3, the wire trough, and through the fixing plate 406 to connect with the instrument components. Finally, the module frame 401 is pushed into the module slot 6 on base plate 2, causing the return spring 410 to deform and compress, the buckle 407 to engage with the slot, and the stop plate 405 to be inserted into the module frame 401.

[0040] Module frame 401, through the cooperation of shielding frame 403, limiting plate 405, and shielding plate 404, directionally suppresses the magnetic field around permanent magnet 402. Shielding frame 403, with its triple magnetic field-interference-resistant structure of electrical pure iron, iron-nickel-molybdenum alloy, and electrical pure iron, reduces the impact of the magnetic field of permanent magnet 402 on the instrument components within module frame 401. Furthermore, the permanent magnets 402 form a magnetic array between adjacent module frames 401, thereby enhancing the stability of the instrument components.

[0041] During maintenance, the staff only needs to find the instrument part that needs to be repaired, press the buckle 407 to disengage the buckle 407 from the clamping block 409, and then the reset spring 410 deforms and stretches to push the fixing plate 406, so that the module frame 401 pops out from the module slot 6, making it convenient for the staff to disassemble, replace or repair the instrument part.

[0042] Example 2: An aluminum alloy single-phase electric energy meter box, refer to Figure 6 The difference from Example 1 is that the cross section of the module frame 401 is a regular hexagon, and the opening shapes of the fixing plate 406, the shielding frame 403, the shielding plate 404, the limiting plate 405 and the module slot 6 all match the module frame 401.

[0043] The implementation principle of Example 2 of the present application is as follows: the module frame 401 adopts a hexagonal honeycomb topology structure, so that the magnetic attraction exerted on the side walls of the module frame 401 is balanced, thereby increasing the stability of the module frame 401 and improving the stability of the instrument component. In addition, when installing the module frame 401, the module frame 401 can be automatically aligned by magnetic attraction.

[0044] Example 3: An aluminum alloy single-phase electric energy meter box, refer to Figure 7 The difference from Example 1 is that the guide rod 411 is a gas spring, the gas spring is fixedly connected to the base plate 2, and the telescopic end of the gas spring is fixedly connected to the connecting block 8 of the module frame 401.

[0045] The implementation principle of Example 3 of the present application is: when the buckle 407 is disengaged from the clamping block 409, the telescopic end of the gas spring extends to assist the reset spring 410 in pushing the module frame 401 out of the module slot 6. At the same time, the damping valve of the gas spring can be adjusted to slow down the pop-up speed of the gas spring, thereby slowing down the speed at which the instrument component moves out of the module slot 6.

[0046] Example 4: An aluminum alloy single-phase electric energy meter box, refer to Figure 8 The difference between it and Example 1 is that the vibration-damping airbag 506 is connected to the cold air generating device 11 through a pipeline, and the vibration-damping airbag 506 is connected to the air outlet valve 12, which passes through the shell 1 and is fixedly connected to the shell 1.

[0047] The implementation principle of Example 4 of the present application is: the cold air generating device 11 injects low-temperature inert gas into the vibration-damping airbag 506, and the inert gas is discharged through the outlet valve 12, thereby forming a cold air circulation in the vibration-damping airbag 506, thereby reducing the temperature of the instrument components in the shell 1 during operation.

[0048] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. An aluminum alloy single-phase electric energy meter box, comprising a housing (1), characterized in that: A bottom plate (2) is provided in the housing (1), the bottom plate (2) cooperates with the housing (1) to form a wiring cavity (3), and a plug-in device (4) and a vibration reduction device (5) are provided on the bottom plate (2); The connecting device (4) comprises: A module frame (401) is detachably connected to the base plate (2), a fixing plate (406) is connected to the module frame (401), and an instrument component is installed in the fixing plate (406); A buckle (407) passes through the fixed plate (406), the buckle (407) is engaged with the bottom plate (2), and a rotating shaft is fixed to the buckle (407), and the rotating shaft is rotatably connected to the fixed plate (406); A guide rod (411) connected to the base plate (2), wherein the guide rod (411) passes through the module frame (401); The vibration reduction device (5) comprises: The vibration damping plate (505) is connected to the housing (1) via a vibration damping spring (504), and the vibration damping plate (505) is clamped to the bottom plate (2).

2. The aluminum alloy single-phase electric energy meter box according to claim 1, characterized in that: A plurality of permanent magnets (402) are fixed within the frame of the module frame (401), the permanent magnets (402) are sequentially connected along the edge of the module frame (401), and two adjacent permanent magnets (402) attract each other.

3. The aluminum alloy single-phase electric energy meter box according to claim 2, characterized in that: The inner wall of the module frame (401) is connected to a shielding frame (403) for resisting magnetic field interference, the shielding frame (403) matches the shape of the inner wall of the module frame (401), the shielding frame (403) is punched to form a shielding groove (7), a shielding block for resisting magnetic field interference is inserted into the shielding groove (7), and the instrument component is installed in a shielding cavity enclosed by the shielding frame (403); A shielding plate (404) for resisting magnetic field interference is connected to the surface of the module frame (401) on one side away from the fixing plate (406).

4. The aluminum alloy single-phase electric energy meter box according to claim 3, characterized in that: The base plate (2) is provided with a module slot (6) in communication with the wiring cavity (3); a limit plate (405) capable of resisting magnetic field interference is connected to the bottom of the module slot (6); and the limit plate (405) is inserted into the module frame (401).

5. The aluminum alloy single-phase electric energy meter box according to claim 1, characterized in that: The bottom plate (2) is connected to a clamping block (409), a clamping slot is provided on the clamping block (409), the clamping slot is clamped and fixed with a buckle (407), the clamping block (409) is connected to a return spring (410), and the return spring (410) is in contact with the fixed plate (406); The buckle (407) is connected to the inner wall of the module frame (401) via a limit spring (408).

6. The aluminum alloy single-phase electric energy meter box according to claim 1, characterized in that: An inner rod (412) is slidably connected to the guide rod (411), the inner rod (412) passes through the module frame (401), and one end of the inner rod (412) away from the bottom plate (2) is connected to a first limit block (9); A guide spring (413) is connected inside the guide rod (411), and the guide rod (411) is connected to the inner rod (412) via a wire spring. A second limit block (10) is connected to the side of the inner rod (412) opposite to the first limit block (9), and the second limit block (10) abuts against the module frame (401).

7. The aluminum alloy single-phase electric energy meter box according to claim 1, characterized in that: The guide rod (411) is a gas spring, and the telescopic end of the gas spring is connected to the module frame (401).

8. The aluminum alloy single-phase electric energy meter box according to claim 1, characterized in that: A first limiting frame (501) is provided in the housing (1); the first limiting frame (501) is detachably connected to a second limiting frame (502) via a carrying plate (503); and the bottom plate (2) is located between the first limiting block (9) and the second limiting frame (502); The bearing plate (503) and the vibration damping plate (505) are connected via a vibration damping spring (504).

9. The aluminum alloy single-phase electric energy meter box according to claim 1, characterized in that: The vibration damping device (5) further comprises a vibration damping airbag (506) fixedly connected to the base plate (2), a vibration damping hole being provided in the vibration damping airbag (506), and the vibration damping airbag (506) being sleeved on the surface of the module frame (401) through the vibration damping hole; The vibration-damping airbag (506) is filled with inert gas.

10. The aluminum alloy single-phase electric energy meter box according to claim 9, characterized in that: The vibration-damping airbag (506) is connected to a cold air generating device (11) via a pipeline; The vibration-damping airbag (506) is connected to an air outlet valve (12), and the air outlet valve (12) is connected to the housing (1).

Citation Information

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