Outdoor SMC three-phase electric energy metering box

By using SMC material and a combination of water-cooling and air-cooling in the outdoor three-phase power metering box, the problem of poor heat dissipation was solved, achieving efficient heat dissipation and stable operation, and reducing equipment cost and power consumption.

CN224036837UActive Publication Date: 2026-03-24ZHEJIANG ZHONGFEIYA TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing outdoor three-phase power metering boxes have poor heat dissipation performance in high-temperature environments. Relying on natural air cooling is slow, leading to overheating of components. Introducing a cooling fan increases equipment cost and power consumption.

Method used

The enclosure is made of SMC material and combines water cooling and air cooling. Water cooling is achieved by setting up a water storage cavity and connecting copper pipes in the hollow heat sink, and air cooling is achieved by combining ventilation holes and air flow to enhance the heat dissipation effect. Electrical equipment can be quickly fixed by a snap-fit ​​installation mechanism.

Benefits of technology

It achieves efficient heat dissipation, ensures stable equipment operation, reduces equipment costs and power consumption, prevents components from being damaged by overheating, and improves the installation stability and maintenance convenience of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224036837U_ABST
    Figure CN224036837U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of electric energy metering boxes, and discloses an outdoor SMC three-phase electric energy metering box which comprises an outer frame box, the left side of the front part of the outer frame box is rotatably connected with an emergency cabinet door, the right side of the front part of the outer frame box is rotatably connected with a component cabinet door, and the top of the outer frame box is fixedly connected with a V-shaped collection box. A V-shaped collecting box is arranged in the outer frame box, a plurality of filtering holes are formed in the inner wall of the V-shaped collecting box, the rear side of the V-shaped collecting box communicates with a plurality of L-shaped water pipes, a heat dissipation mounting plate is fixedly connected to the bottom of the inner wall of the outer frame box, and the rear side of the heat dissipation mounting plate penetrates through the outer frame box and is fixedly connected with a hollow heat dissipation block. Rainwater is collected through the V-shaped collecting box, impurities are filtered out, drainage and drainage are conducted through the L-shaped water pipe, the water storage cavity and the communicating copper pipe are arranged in the heat dissipation mounting plate, efficient heat dissipation is conducted in a water cooling mode, the ventilation holes are matched with air flowing, heat dissipation is accelerated, the heat dissipation effect is improved, and stable operation of equipment is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy metering box especially relates to an outdoor SMC three -phase electric energy metering box. BACKGROUND

[0002] The outdoor SMC three -phase electric energy metering box is with SMC as the box material, is used to the accurate metering, monitoring and management equipment of three -phase circuit electric energy under the outdoor environment, and SMC material relies on excellent insulating property, corrosion resistance and mechanical strength, makes the metering box can adapt to the outdoor complex environment, is applied to the electric power metering scene of city power grid, industrial park, and its inside integrated voltage transformer, current transformer and the core component of metering table, can real -time acquisition three -phase current, voltage data, completes electric energy metering and data transmission, provides key data support for electric power settlement, energy consumption analysis.

[0003] The early outdoor three -phase electric energy metering box adopts the metal box body, and the internal layout is compact, relies on the natural heat dissipation of box surface, and in the high temperature environment outside, the heat is difficult to quickly dissipate, can lead to the internal element because of the decline of overheating performance, even causes the fault, in order to solve the heat dissipation problem, the existing metering box adopts SMC material to make the box body, and is set up on the box body Ventilation hole, realizes the air cooling heat dissipation through air natural convection, simultaneously, part product installs the dust screen at the ventilation hole, avoids the dust entering the box body to influence heat dissipation to some extent, however, the existing metering box still has the problem of poor heat dissipation effect, since the existing metering box only relies on the natural air cooling of ventilation hole, in the summer high temperature or internal element long -time high -load operation, air natural convection speed is slow, is difficult to quickly take away a large amount of heat, leads to the continuous increase of temperature in the box, although part metering box adds the cooling fan, improves the heat dissipation efficiency through forced air flow, avoids the damage of internal element because of overheating, but the introduction of cooling fan increases the procurement cost and operating power consumption of equipment, simultaneously, the fan long -time operation can accumulate dust, and the maintenance cost also increases correspondingly, cannot reach the ideal balance state between cost and heat dissipation effect. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides an outdoor SMC three -phase electric energy metering box, aims at improving the slow air natural convection speed in prior art, difficult to quickly take away a large amount of heat, and the cooling fan can increase the procurement cost and operating power consumption of equipment.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of outdoor SMC three-phase electric energy metering box, including outer frame box, the front left side of the outer frame box is rotatably connected with emergency cabinet door, the front right side of the outer frame box is rotatably connected with component cabinet door, the top of the outer frame box is fixedly connected with V-shaped collection box, multiple filter holes are arranged in the inner wall of the V-shaped collection box, multiple L-shaped water pipes are communicated with the rear side of the V-shaped collection box, the inner wall bottom of the outer frame box is fixedly connected with heat dissipation mounting plate, the rear side of the heat dissipation mounting plate penetrates the outer frame box and is fixedly connected with hollow heat dissipation block, multiple water storage cavities are arranged in the inner wall of the hollow heat dissipation block, the inner wall of multiple water storage cavities is communicated with multiple communication copper pipes, multiple ventilation holes are arranged in the top of the hollow heat dissipation block, the front side of the heat dissipation mounting plate is provided with clamping mounting mechanism, and the clamping mounting mechanism is used to install electrical equipment.

[0006] As further description of the above technical solution:

[0007] The clamping mounting mechanism includes multiple notched clamping strips, the rear side of multiple notched clamping strips is fixedly connected to the front top side of the heat dissipation mounting plate, the front bottom end of the heat dissipation mounting plate is fixedly connected with a U-shaped support plate, the front side of the U-shaped support plate is fixedly connected with a T-shaped limiting strip, the outer wall of the T-shaped limiting strip is provided with multiple air switches, the rear side of the air switch is clamped with the T-shaped limiting strip, the left and right sides of the T-shaped limiting strip are slidably connected with U-shaped clamping blocks, and the inner wall of the U-shaped clamping block is threadedly connected with a fixing screw.

[0008] As further description of the above technical solution:

[0009] The front side of the emergency cabinet door and the component cabinet door is fixedly connected with a fixed plate, the front side of the fixed plate is fixedly connected with a handle, and the rear side of the hollow heat dissipation block is fixedly connected with multiple heat dissipation scales.

[0010] As further description of the above technical solution:

[0011] The front bottom side of the emergency cabinet door is fixedly connected with a U-shaped block, the inner wall of the U-shaped block is provided with an information board, and the outer wall of the information board is clamped with the inner wall of the U-shaped block.

[0012] As further description of the above technical solution:

[0013] The front top side of the component cabinet door is fixedly connected with multiple sealing rings, and the inner wall of the sealing ring is fixedly connected with a transparent cover.

[0014] As further description of the above technical solution:

[0015] The front side of the inner wall of the component cabinet door is rotatably connected with a rotating cover, and the bottom of the rotating cover is fixedly connected with an arc-shaped block.

[0016] As a further description of the above technical solutions:

[0017] The rear side of the outer frame box is fixedly connected with a plurality of L-shaped mounting plates, and the outer walls of the left and right sides of the outer frame box are communicated with a plurality of heat dissipation baffle strips.

[0018] As a further description of the above technical solutions:

[0019] The outer wall of the notched clamping strip is provided with a plurality of electric energy meters, the rear side of each of the plurality of electric energy meters is clamped with the outer wall of the corresponding notched clamping strip, the left side of the bottom notched clamping strip is fixedly connected with a main control power switch, and the left side of the bottom notched clamping strip is fixedly connected with a main control power switch.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, physical protection is provided by the outer frame box, the emergency cabinet door and the component cabinet door are convenient for emergency operation and daily maintenance respectively, the V-shaped collecting box collects rainwater and filters impurities, the L-shaped water pipe drains out to prevent erosion, the heat dissipation mounting plate is connected with the hollow heat dissipation block, contains a water storage cavity and a connected copper pipe, and high-efficiency heat dissipation is realized through the water cooling mode; the ventilation hole cooperates with air flow to accelerate heat dissipation, improve the heat dissipation effect, and ensure stable operation of the equipment.

[0022] 2. In the utility model, the electric energy equipment is installed by using the notched clamping strip to facilitate quick positioning and fixing of the equipment, the T-shaped limiting strip of the U-shaped support plate is clamped with the air switch and provides limiting support, during installation, the T-shaped limiting strip is clamped in, the U-shaped clamping block is slidable on the two sides of the T-shaped limiting strip, and the air switch is further fixed by tightening the fixing screw, so that the equipment is ensured to be firm and is prevented from loosening and affecting operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of an outdoor SMC three-phase electric energy metering box is provided for the utility model;

[0024] Figure 2 A front view of an outdoor SMC three-phase electric energy metering box is provided for the utility model;

[0025] Figure 3 A rear view of an outdoor SMC three-phase electric energy metering box is provided for the utility model;

[0026] Figure 4 A sectional view of a heat dissipation mounting plate of an outdoor SMC three-phase electric energy metering box is provided for the utility model;

[0027] Figure 5 A clamping and mounting mechanism of an outdoor SMC three-phase electric energy metering box is provided for the utility model.

[0028] Legend:

[0029] 1, outer frame box; 2, snap-fit mounting mechanism; 201, notched card strip; 202, T-shaped limiting strip; 203, U-shaped support plate; 204, U-shaped clamping block; 205, air switch; 206, fixing screw; 3, emergency cabinet door; 4, component cabinet door; 5, V-shaped collection box; 6, filter hole; 7, L-shaped water pipe; 8, hollow heat dissipation block; 9, water storage cavity; 10, communication copper pipe; 11, ventilation hole; 12, heat dissipation mounting plate; 13, fixed plate; 14, handle; 15, U-shaped block; 16, information board; 17, sealing ring; 18, transparent cover; 19, rotating cover; 20, arc-shaped block; 21, L-shaped mounting plate; 22, heat dissipation water retaining strip; 23, electric energy meter; 24, connecting bolt; 25, heat dissipation scale; 26, main control power switch. DETAILED DESCRIPTION

[0030] 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 labor fall within the scope of protection of the present application.

[0031] Reference Figure 1 , Figure 3 and Figure 5The utility model provides an embodiment: an outdoor SMC three -phase electric energy metering box, including the frame box 1, the frame box 1 is as the overall shell, provides physical protection for internal structure, the left side rotationally connected of frame box 1's front part has the emergency cabinet door 3, the emergency cabinet door 3 is convenient for fast operation under emergency, the right side rotationally connected of frame box 1's front part has component cabinet door 4, the top fixed connection of frame box 1 has V shape collection tank 5, component cabinet door 4 is used for daily maintenance and maintenance to internal component, the inner wall of V shape collection tank 5 is opened and has a plurality of filter holes 6, the rear side communication of V shape collection tank 5 has a plurality of L shape water pipes 7, V shape collection tank 5 can collect rainwater, the filter hole 6 of its inner wall can filter the impurity in rainwater, the rear side communication L shape water pipe 7 drains after filtering rainwater, the inner wall bottom of frame box 1 is fixedly connected with the heat dissipation mounting panel 12, the rear side of heat dissipation mounting panel 12 is through frame box 1 and is fixedly connected with hollow heat dissipation block 8, the inner wall of hollow heat dissipation block 8 is opened and has a plurality of water storage cavities 9, the inner wall of a plurality of water storage cavities 9 all has a plurality of communication copper pipes 10, the top of hollow heat dissipation block 8 is opened and has a plurality of vent holes 11, when the equipment operation generates heat, heat is transmitted to hollow heat dissipation block 8 through heat dissipation mounting panel 12, the cooling water in water storage cavity 9 absorbs heat, realizes the absorption and transmission to heat through the heat conduction of communication copper pipe 10, vent hole 11 then promotes the air circulation after heat exchange, exports hot air, the front side of heat dissipation mounting panel 12 is provided with the clamping mounting mechanism 2, and the clamping mounting mechanism 2 is used to install electrical equipment;

[0032] Specifically, the frame box 1 serves as the overall shell and provides physical protection for the internal structure, the emergency cabinet door 3 and the component cabinet door 4 are respectively rotationally connected to the left and right sides of the front part of the frame box 1 and can be opened as needed, the emergency cabinet door 3 is convenient for fast operation under emergency, the component cabinet door 4 is used for daily maintenance and maintenance to internal components, the V-shaped collection tank 5 at the top can collect rainwater, the filter holes 6 in the inner wall thereof can filter impurities in the rainwater, the L-shaped water pipes 7 in communication with the rear side drain the filtered rainwater, avoiding the erosion of the accumulation of rainwater on the box body, ensuring the stability of the internal environment, the heat dissipation mounting panel 12 is fixed to the inner wall bottom of the frame box 1 and is connected with the hollow heat dissipation block 8, the plurality of water storage cavities 9 in the hollow heat dissipation block 8 store cooling water, the communication copper pipes 10 penetrate the water storage cavities 9 and conduct the heat generated by the electrical equipment to the cooling water, efficiently taking away the heat through the water cooling mode, the vent holes 11 at the top of the hollow heat dissipation block 8 cooperate with the natural wind or air flow, accelerating the heat dissipation, improving the heat dissipation effect, and when the equipment operation generates heat, the heat is transmitted to the hollow heat dissipation block 8 through the heat dissipation mounting panel 12, the cooling water in the water storage cavities 9 absorbs heat, realizes the absorption and transmission to heat through the heat conduction of the communication copper pipes 10, the vent holes 11 then promote the air circulation after heat exchange, export hot air, introduce cold air, thereby improving the efficiency of heat dissipation.

[0033] Refer to Figure 4 andFigure 5 The engaging installation mechanism 2 comprises a plurality of notched clamping strips 201 for engaging and installing electronic instruments, the rear side of the plurality of notched clamping strips 201 is fixedly connected to the front top side of the heat dissipation mounting plate 12, the front bottom end of the heat dissipation mounting plate 12 is fixedly connected with a U-shaped support plate 203, the front side of the U-shaped support plate 203 is fixedly connected with a T-shaped limiting strip 202, the outer wall of the T-shaped limiting strip 202 is provided with a plurality of air switches 205, the rear side of the air switch 205 is engaged with the T-shaped limiting strip 202, the left and right sides of the T-shaped limiting strip 202 are both slidingly connected with a U-shaped clamping block 204, the inner wall of the U-shaped clamping block 204 is threadedly connected with a fixing screw 206, when the air switch 205 is installed, it is aligned with the T-shaped limiting strip 202 and clamped in; the U-shaped clamping block 204 can slide on the left and right sides of the T-shaped limiting strip 202, the air switch 205 is further fixed by tightening the fixing screw 206 on the inner wall, so as to ensure firm installation of the equipment;

[0034] Specifically, the notched clamping strips 201 are used to engage and install the electric energy meter 23, so as to realize quick positioning and fixing of the equipment, the T-shaped limiting strip 202 at the front of the U-shaped support plate 203 has its outer wall engaged with the air switch 205, so as to play a limiting and supporting role, when the air switch 205 needs to be installed, it is aligned with the T-shaped limiting strip 202 and clamped in; the U-shaped clamping block 204 can slide on the left and right sides of the T-shaped limiting strip 202, the air switch 205 is further fixed by tightening the fixing screw 206 on the inner wall, so as to ensure firm installation of the equipment and avoid loosening affecting operation.

[0035] Referring to Figure 1 and Figure 2 The front side of the emergency cabinet door 3 and the component cabinet door 4 is fixedly connected with a fixed plate 13, the fixed plate 13 can play a role in enhancing the structural strength and stability of the cabinet door, the front side of the fixed plate 13 is fixedly connected with a handle 14, the handle 14 can provide an operating point for the operator, the rear side of the hollow heat dissipation block 8 is fixedly connected with a plurality of heat dissipation scales 25, the heat dissipation scales 25 can quickly dissipate heat to the surrounding air; the front bottom side of the emergency cabinet door 3 is fixedly connected with a U-shaped block 15, the U-shaped block 15 can provide a stable installation carrier for an information board 16, the inner wall of the U-shaped block 15 is provided with the information board 16, the outer wall of the information board 16 is engaged with the inner wall of the U-shaped block 15, the information board 16 can record information such as emergency contact information and equipment operation precautions; the front top side of the component cabinet door 4 is fixedly connected with a plurality of sealing rings 17, the sealing rings 17 can effectively block impurities from the outside into the box, the inner wall of the sealing ring 17 is fixedly connected with a transparent cover 18, the transparent cover 18 can directly observe the working state and parameter display of the internal components;

[0036] Specifically, the fixed plate 13 can enhance the structural strength and stability of the cabinet door, the handle 14 provides an operating point for the operator, making it easy for the staff to open or close the cabinet door, the heat dissipation scales 25 can quickly dissipate heat to the surrounding air, increasing the heat exchange area with the air, the U-shaped block 15 provides a stable installation carrier for the information board 16, the information board 16 can record emergency contact information, device operation precautions, and key safety warnings, making it easy for staff to quickly obtain important information in an emergency, the sealing ring 17 can effectively block rain, dust, moisture and impurities from entering the box, and the transparent cover 18 can directly observe the working state and parameter display of the internal components.

[0037] Referring to Figure 2 、 Figure 4 and Figure 5 , the inner wall of the component cabinet door 4 is rotatably connected to the front side of the rotating cover 19, which can be easily rotated and opened when the internal components need to be operated or repaired, and the bottom of the rotating cover 19 is fixedly connected to the arc-shaped block 20, which can effectively reduce sharp corners and prevent personnel from being scratched during operation; The rear side of the outer frame box 1 is fixedly connected to a plurality of L-shaped mounting plates 21, which can provide a convenient and stable installation method for the meter box, and the left and right sides of the outer wall of the outer frame box 1 are connected to a plurality of heat dissipation water blocking strips 22, which can provide an air flow path to help dissipate heat from the box to the outside; The outer wall of the notched clamping strip 201 is provided with a plurality of electric energy meters 23, which can measure power usage, and the rear side of the plurality of electric energy meters 23 is respectively clamped with the outer wall of the corresponding notched clamping strip 201, which can ensure that the electric energy meters 23 will not be displaced due to vibration during the operation of the meter box, and the left and right sides of the U-shaped support plate 203 are respectively connected to the connecting bolts 24, which ensure the firmness of the U-shaped support plate 203 and the electric energy meters 23, and the left side of the bottom notched clamping strip 201 is fixedly connected to the main control power switch 26, which can control the on-off of the circuit in the meter box.

[0038] Specifically, by rotating the cover 19, the internal components can be easily opened for operation or maintenance, and the arc-shaped block 20 can effectively reduce the sharp corners to prevent scratches during operation, providing a safe protection function. The L-shaped mounting plate 21 provides a convenient and stable installation method for the metering box, and the heat dissipation water blocking strip 22 provides an air flow path to help dissipate heat from the box to the outside, enhancing the heat dissipation capacity of the metering box and preventing internal components from being damaged due to high temperature. The electric energy meter 23 can measure power usage, and the rear side of the electric energy meter 23 is engaged with the outer wall of the corresponding notch clamping strip 201, which can ensure that the electric energy meter 23 does not shift due to vibration during operation of the metering box, ensuring the accuracy and stability of the electric energy meter 23. The connecting bolt 24 ensures the firmness of the U-shaped support plate 203 and other components, facilitating subsequent installation, adjustment and maintenance, enhancing the flexibility and operability of the metering box structure, and the main control power switch 26 can control the on-off of the entire circuit in the metering box.

[0039] Working principle: First, the outer frame box 1 as the overall shell provides necessary physical protection for the internal structure. The emergency cabinet door 3 and the component cabinet door 4 are respectively arranged on the left and right sides of the front part of the outer frame box 1, which can be opened according to actual needs. Among them, the emergency cabinet door 3 is convenient for rapid operation in emergency situations, and the component cabinet door 4 is used for daily maintenance and maintenance of internal components. The V-shaped collection box 5 located at the top has the function of collecting rainwater, and the filter hole 6 in the inner wall can filter out impurities in the rainwater. The rear side of the L-shaped water pipe 7 is responsible for draining the filtered rainwater, preventing rainwater from accumulating and eroding the box, thereby ensuring the stability of the internal environment. The heat dissipation mounting plate 12 is fixed to the bottom of the inner wall of the outer frame box 1 and is connected to the hollow heat sink 8. The hollow heat sink 8 has multiple water storage cavities 9 inside for storing cooling water. The communication copper pipe 10 penetrates the water storage cavity 9 and conducts the heat generated by the electrical equipment to the cooling water, efficiently transferring the heat through water cooling. The ventilation hole 11 at the top of the hollow heat sink 8 is combined with natural wind or air flow to accelerate heat dissipation, thereby improving the heat dissipation effect. When the equipment operates and generates heat, the heat is transferred to the hollow heat sink 8 through the heat dissipation mounting plate 12. The cooling water in the water storage cavity 9 absorbs the heat and is transferred through the heat conduction of the communication copper pipe 10. The ventilation hole 11 promotes the flow of air after heat exchange, discharges hot air and introduces cold air, thereby improving the heat dissipation efficiency;

[0040] And through the snap installation mechanism 2, through the use of notched card strip 201, the electric energy meter 23 can be quickly positioned and fixed, the T-shaped limiting strip 202 at the front end of the U-shaped support plate 203, the outer wall is matched with the air switch 205, plays a limiting support function, when installing the air switch 205, only need to align it with the T-shaped limiting strip 202 and card into, the U-shaped clamping block 204 can slide on the left and right sides of the T-shaped limiting strip 202, by rotating the fixing screw 206 on the inner wall, further stabilize the air switch 205, ensure the stability of equipment installation, prevent from loosening and affect its operation.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. An outdoor SMC three-phase electric energy metering box comprising an outer frame box (1), characterized in that: The front left side of the outer frame box (1) is rotatably connected with an emergency cabinet door (3), the front right side of the outer frame box (1) is rotatably connected with a component cabinet door (4), the top of the outer frame box (1) is fixedly connected with a V-shaped collecting box (5), a plurality of filter holes (6) are formed in the inner wall of the V-shaped collecting box (5), a plurality of L-shaped water pipes (7) are communicated with the rear side of the V-shaped collecting box (5), the inner wall bottom of the outer frame box (1) is fixedly connected with a heat dissipation mounting plate (12), the rear side of the heat dissipation mounting plate (12) penetrates through the outer frame box (1) and is fixedly connected with a hollow heat dissipation block (8), a plurality of water storage cavities (9) are formed in the inner wall of the hollow heat dissipation block (8), the inner wall of each of the plurality of water storage cavities (9) is communicated with a plurality of communication copper pipes (10), a plurality of ventilation holes (11) are formed in the top of the hollow heat dissipation block (8), the front side of the heat dissipation mounting plate (12) is provided with a clamping mounting mechanism (2), and the clamping mounting mechanism (2) is used for mounting electrical equipment.

2. The outdoor SMC three-phase electric energy metering box according to claim 1, characterized in that: The clamping mounting mechanism (2) comprises a plurality of notched clamping strips (201), the rear side of each of the plurality of notched clamping strips (201) is fixedly connected to the front top side of the heat dissipation mounting plate (12), the front bottom end of the heat dissipation mounting plate (12) is fixedly connected with a U-shaped supporting plate (203), the front side of the U-shaped supporting plate (203) is fixedly connected with a T-shaped limiting strip (202), the outer wall of the T-shaped limiting strip (202) is provided with a plurality of air switches (205), the rear side of each of the plurality of air switches (205) is clamped with the T-shaped limiting strip (202), and the left and right sides of the T-shaped limiting strip (202) are slidably connected with U-shaped clamping blocks (204). The inner wall of each of the U-shaped clamping blocks (204) is threadedly connected with a fixing screw (206).

3. The outdoor SMC three-phase electric energy metering box according to claim 1, characterized in that: The front side of each of the emergency cabinet door (3) and the component cabinet door (4) is fixedly connected with a fixed plate (13), the front side of the fixed plate (13) is fixedly connected with a handle (14), and the rear side of the hollow heat dissipation block (8) is fixedly connected with a plurality of heat dissipation scales (25).

4. The outdoor SMC three-phase electric energy metering box according to claim 1, characterized in that: The front bottom side of the emergency cabinet door (3) is fixedly connected with a U-shaped block (15), the inner wall of the U-shaped block (15) is provided with an information board (16), and the outer wall of the information board (16) is clamped with the inner wall of the U-shaped block (15).

5. The outdoor SMC three-phase electric energy metering box according to claim 1, characterized in that: The front top side of the component cabinet door (4) is fixedly connected with a plurality of sealing rings (17), and the inner wall of each of the plurality of sealing rings (17) is fixedly connected with a transparent cover (18).

6. The outdoor SMC three-phase electric energy metering box according to claim 1, characterized in that: The front side of the inner wall of the component cabinet door (4) is rotatably connected with a rotating cover (19), and the bottom of the rotating cover (19) is fixedly connected with an arc-shaped block (20).

7. The outdoor SMC three-phase electric energy metering box according to claim 1, characterized in that: The rear side of the outer frame box (1) is fixedly connected with a plurality of L-shaped mounting plates (21), and the outer wall of the outer frame box (1) is communicated with a plurality of heat dissipation water blocking strips (22) on the left and right sides.

8. The outdoor SMC three-phase electric energy metering box according to claim 2, characterized in that: The outer wall of the notch card strip (201) is provided with a plurality of electric energy meters (23), the rear side of each of the plurality of electric energy meters (23) is clamped with the outer wall of the corresponding notch card strip (201), the left and right sides of the U-shaped support plate (203) are both screw-connected with connecting bolts (24), and the left side of the bottom notch card strip (201) is fixedly connected with a main control power switch (26).