Electric meter box with built-in isolation protection mechanism

By installing a combination of a micro compressor and a drying box inside the meter box and using a motor to drive the reciprocating motion of the slider, uniform cooling and drying of the inside of the meter box can be achieved, solving the problem of electrical failures caused by temperature differences and humidity changes, and improving the service life and operational stability of the equipment.

CN223450026UActive Publication Date: 2025-10-17浙江力邦电气有限公司
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Patent Information

Application Number
CN202422814203.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-17
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Condensation caused by temperature and humidity changes inside the meter box affects the insulation resistance of components, leading to electrical faults such as leakage and short circuits, and reducing the service life of the equipment.

Method used

An electric meter box with a built-in isolation and protection mechanism is designed. A micro compressor is used to cool the air. After drying in a drying box, the gas is sprayed out by a nozzle to cool and dry the interior. The reciprocating motion of the slider driven by a motor is combined to achieve uniform distribution of gas. The guide cavity and connecting cavity are used for all-round cooling and drying.

Benefits of technology

It achieves effective cooling and drying inside the meter box, prolongs the service life of the equipment, ensures normal operation and facilitates maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223450026U_ABST
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Abstract

The utility model relates to the technical field of electric meter boxes, in particular to an electric meter box with a built-in isolation protection mechanism. According to the technical scheme, the device comprises a box body, a first installation cavity, a second installation cavity and a third installation cavity are formed in the box body, the device further comprises a motor, the motor is fixedly installed in the first installation cavity, an installation rod is fixedly installed in the first installation cavity, a sliding block is installed on the installation rod in a sliding mode, and a reciprocating lead screw is fixedly installed on an output shaft of the motor; the reciprocating lead screw is in threaded connection with a sliding block, and a flow guide cavity is fixedly installed at one end of the sliding block. Cooling and drying of the interior of the box body are achieved, the service life of equipment is prolonged, normal operation of the equipment is guaranteed, and maintenance is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an electric meter box technical field especially relates to a built -in isolation protection mechanism electric meter box. BACKGROUND

[0002] The electric meter box is used for the equipment of electric meter storage, and the material used for manufacturing the low-voltage cable branch box body is a resin-based composite material. The main components of the box body are four kinds of materials, ABS engineering plastics, polycarbonate transparent PC material, DMC and SMC, which are injection molded and pressed.

[0003] During the use of the electric meter box, when the internal components generate heat during operation, if there is a large temperature difference between the inside and outside of the electric meter box, the humid air entering the inside of the electric meter box will condense into water droplets and adhere to the surface of the components, which will reduce the insulation resistance between the components and the box body, causing electrical faults such as leakage and short circuit, affecting the normal operation of the circuit and reducing the service life of the equipment. Therefore, the present application provides a built-in isolation protection mechanism electric meter box. SUMMARY

[0004] The utility model aims at the problem of the electric meter box in the background art being affected by moisture in the inside, and provides a built-in isolation protection mechanism electric meter box.

[0005] The technical scheme of the utility model is a built-in isolation protection mechanism electric meter box, which comprises a box body, a first installation cavity, a second installation cavity and a third installation cavity are formed in the box body, a motor is further included, the motor is fixedly installed in the first installation cavity, an installation rod is fixedly installed in the first installation cavity, a sliding block is slidably installed on the installation rod, a reciprocating screw rod is fixedly installed on the output shaft of the motor, the reciprocating screw rod is threadedly connected with the sliding block, a flow guide cavity is fixedly installed at one end of the sliding block, a plurality of spray heads are fixedly installed on the flow guide cavity, a connecting cavity is fixedly installed in the second installation cavity, the connecting cavity is in communication with the first installation cavity and the third installation cavity respectively, a plurality of through holes are formed in the connecting cavity, and a drying mechanism for cooling and drying the gas entering the flow guide cavity is arranged on the box body.

[0006] Optionally, the drying mechanism comprises a miniature compressor fixedly installed on one side of the box body, an installation plate is fixedly installed in the first installation cavity, a drying box is slidably installed on the installation plate, the bottom of the drying box is in communication with one end of the miniature compressor, a sealing tube is fixedly installed at one end of the drying box, a flow guide tube is fixedly installed at one end of the flow guide cavity, and one end of the flow guide tube is in communication with the sealing tube.

[0007] Optionally, a limiting hole is formed in one side of the drying box, a limiting block is slidably installed on the installation plate, and one end of the limiting block is located in the limiting hole.

[0008] Optionally, protrusions are fixedly installed on both sides of the sliding block, and the protrusions are in sliding connection with the mounting rod.

[0009] Optionally, a connecting pipe is fixedly installed at one end of the micro-compressor, and the connecting pipe is in communication with the drying box.

[0010] Optionally, a sealing gasket is fixedly installed at one end of the flow guide pipe, and the sealing gasket is in sliding connection with the sealing pipe.

[0011] Optionally, a spring is fixedly installed on one side of the mounting plate, and one end of the spring is in fixed connection with the limiting block.

[0012] To sum up, the present application has at least one of the following beneficial technical effects:

[0013] 1. The air is cooled by starting the micro-compressor, and then the cooled air is dried by the drying box, and the air is delivered into the flow guide cavity by the flow guide pipe, the sliding block is driven to move vertically and reciprocally and horizontally reciprocally by starting the motor, the air in the flow guide cavity is sprayed out by the spray head, the first mounting cavity is uniformly cooled, the air is delivered into the second mounting cavity and the third mounting cavity by the connecting cavity, and the inside of the second mounting cavity and the third mounting cavity is cooled.

[0014] 2. The limiting block is moved out of the limiting hole, the limiting of the drying box is cancelled, the drying box is moved upward, the sealing pipe is separated from the flow guide pipe, the new drying box is placed in the mounting plate, and the sealing pipe is connected with the flow guide pipe, so that the drying box is conveniently replaced.

[0015] The utility model discloses the cooling and drying of the inside of the box are realized, improve equipment service life, guarantee normal operation, and it is convenient to maintain. ACCURACY

[0016] Figure 1 The structure diagram of one embodiment of the utility model is given Figure 1 ;

[0017] Figure 2 The internal structure diagram of one embodiment of the utility model is given

[0018] Figure 3 The structure diagram of one embodiment of the utility model is given Figure 2 ;

[0019] Figure 4 The structure diagram of the micro-compressor, the drying box and the limiting block of one embodiment of the utility model is given

[0020] Figure 5 For Figure 2 The local enlarged structure diagram of A in the middle

[0021] The figure mark: 1, box body, 2, miniature compressor, 3, first installation cavity, 4, second installation cavity, 5, third installation cavity, 6, connecting cavity, 7, through hole, 8, motor, 9, installation rod, 10, reciprocating screw rod, 11, sliding block, 12, protruding block, 13, sealing gasket, 14, flow guide cavity, 15, spray head, 16, flow guide pipe, 17, mounting plate, 18, drying box, 19, limiting hole, 20, sealing pipe, 21, limiting block, 22, spring, 23, connecting pipe. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be further explained below in combination with the drawings and specific embodiments.

[0023] EMBODIMENT

[0024] As Figures 1-2 shown, the utility model provides a kind of built-in isolation protection mechanism electric meter box, including box body 1, first installation cavity 3, second installation cavity 4 and third installation cavity 5 are set in box body 1, still include motor 8, motor 8 is fixedly installed in first installation cavity 3, first installation cavity 3 is fixedly installed with installation rod 9, installation rod 9 is slidably installed with sliding block 11, the output shaft of motor 8 is fixedly installed with reciprocating screw rod 10, reciprocating screw rod 10 is connected with sliding block 11 by screw thread, one end of sliding block 11 is fixedly installed with flow guide cavity 14, multiple spray heads 15 are fixedly installed on flow guide cavity 14, connecting cavity 6 is fixedly installed in second installation cavity 4, connecting cavity 6 is communicated with first installation cavity 3 and third installation cavity 5 respectively, multiple through holes 7 are set in connecting cavity 6, start motor 8, the output shaft of motor 8 drives reciprocating screw rod 10 to rotate, because sliding block 11 is slidably connected with installation rod 9, so that sliding block 11 does horizontal reciprocating motion on installation rod 9 when motor 8 rotates, box body 1 is provided with the drying mechanism that the gas entering flow guide cavity 14 is cooled and dried.

[0025] As Figures 3-4As shown, this embodiment also includes a drying mechanism, which includes a micro compressor 2 fixedly mounted on one side of the box body 1 for cooling the air, a mounting plate 17 fixedly mounted in the first mounting cavity 3, a drying box 18 slidably mounted on the mounting plate 17, the drying box 18 is filled with a desiccant, the bottom of the drying box 18 is connected to one end of the micro compressor 2, a sealing tube 20 is fixedly mounted on one end of the drying box 18, a guide tube 16 is fixedly mounted on one end of the guide cavity 14, and one end of the guide tube 16 is connected to the sealing tube 20 is connected, the micro compressor 2 is started, and air is drawn into the drying box 18. The desiccant in the drying box 18 dries the cooled air. The dried and cooled air then enters the guide cavity 14 through the guide pipe 16 and is then ejected by the nozzle 15. Since the slider 11 drives the guide cavity 14 to perform horizontal reciprocating motion, the gas ejected by the nozzle 15 can evenly dissipate heat inside the first installation cavity 3. The ejected gas is then discharged into the second installation cavity 4 and the third installation cavity 5 through the through hole on the connecting cavity 6 to cool the interior.

[0026] like Figures 4-5 As shown, a limiting hole 19 is provided on one side of the drying box 18, and a limiting block 21 is slidably installed on the mounting plate 17, and one end of the limiting block 21 is located in the limiting hole 19. When the drying box 18 needs to be replaced, the limiting block 21 is pulled outward to move the limiting block 21 out of the limiting hole 19, cancel the fixation of the drying box 18, slide the drying box 18 upward, and separate the guide tube 16 at one end of the drying box 18. At this time, the drying box 18 can be replaced. Bumps 12 are fixedly installed on both sides of the slider 11, and the bumps 12 are slidably connected to the mounting rod 9. A connecting pipe 23 is fixedly installed on one end of the micro compressor 2, and the connecting pipe 23 is communicated with the drying box 18. A sealing gasket 13 is fixedly installed on one end of the guide tube 16, and the sealing gasket 13 is slidably connected to the sealing tube 20. A spring 22 is fixedly installed on one side of the mounting plate 17, and one end of the spring 22 is fixedly connected to the limiting block 21.

[0027] Working principle: start the micro-compressor 2, air is sucked into the drying box 18, the drying agent in the drying box 18 dries the cooled air, and the dried cooled air enters the guide cavity 14 through the guide pipe 16. Start the motor 8, the output shaft of the motor 8 drives the reciprocating wire rod 10 to rotate, because the sliding block 11 is slidingly connected with the mounting rod 9, when the motor 8 rotates, the sliding block 11 makes horizontal reciprocating motion on the mounting rod 9, the air in the guide cavity 14 is sprayed out through the nozzle 15, because the sliding block 11 drives the guide cavity 14 to make horizontal reciprocating motion, the gas sprayed out by the nozzle 15 can uniformly cool the inside of the first mounting cavity 3, the sprayed gas is discharged into the second mounting cavity 4 and the third mounting cavity 5 through the through hole on the connecting cavity 6, and the inside is cooled. When the drying box 18 needs to be replaced, the limit block 21 is pulled outwards to move the limit block 21 out of the limit hole 19, the fixation of the drying box 18 is cancelled, the drying box 18 is slid upwards, the drying box 18 is separated from the guide pipe 16 at one end, at this time, the drying box 18 can be replaced, the cooling and drying of the inside of the box body are realized, the service life of the equipment is improved, the normal operation is ensured, and maintenance is facilitated.

[0028] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. An electric meter box with a built-in isolation and protection mechanism, comprising a box body (1), wherein a first installation cavity (3), a second installation cavity (4) and a third installation cavity (5) are provided in the box body (1), characterized in that: Also includes: A motor (8) is fixedly installed in a first installation cavity (3), a mounting rod (9) is fixedly installed in the first installation cavity (3), a slider (11) is slidably installed on the mounting rod (9), a reciprocating screw (10) is fixedly installed on the output shaft of the motor (8), the reciprocating screw (10) is threadedly connected to the slider (11), a guide cavity (14) is fixedly installed at one end of the slider (11), a plurality of nozzles (15) are fixedly installed on the guide cavity (14), a connecting cavity (6) is fixedly installed in the second installation cavity (4), the connecting cavity (6) is respectively connected to the first installation cavity (3) and the third installation cavity (5), a plurality of through holes (7) are opened on the connecting cavity (6), and a drying mechanism for cooling and drying the gas entering the guide cavity (14) is provided on the box body (1).

2. The electric meter box with built-in isolation and protection mechanism according to claim 1, characterized in that: The drying mechanism comprises a micro compressor (2) fixedly mounted on one side of a housing (1); a mounting plate (17) fixedly mounted in the first mounting cavity (3); a drying box (18) slidably mounted on the mounting plate (17); a bottom of the drying box (18) communicating with one end of the micro compressor (2); a sealing tube (20) fixedly mounted on one end of the drying box (18); a guide tube (16) fixedly mounted on one end of the guide cavity (14); and one end of the guide tube (16) communicating with the sealing tube (20).

3. The electric meter box with built-in isolation and protection mechanism according to claim 1, characterized in that: A limiting hole (19) is provided on one side of the drying box (18), and a limiting block (21) is slidably mounted on the mounting plate (17), with one end of the limiting block (21) being located in the limiting hole (19).

4. The electric meter box with built-in isolation and protection mechanism according to claim 1, characterized in that: Bumps (12) are fixedly mounted on both sides of the slider (11), and the bumps (12) are slidably connected to the mounting rod (9).

5. The electric meter box with built-in isolation and protection mechanism according to claim 1, characterized in that: A connecting pipe (23) is fixedly mounted on one end of the micro compressor (2), and the connecting pipe (23) is communicated with the drying box (18).

6. The electric meter box with built-in isolation and protection mechanism according to claim 1, characterized in that: A sealing gasket (13) is fixedly mounted on one end of the flow guide tube (16), and the sealing gasket (13) is slidably connected to the sealing tube (20).

7. The electric meter box with built-in isolation and protection mechanism according to claim 1, characterized in that: A spring (22) is fixedly mounted on one side of the mounting plate (17), and one end of the spring (22) is fixedly connected to the limiting block (21).