CN216622478U

CN216622478U - Electric energy meter shell waterproof structure

Info

Publication number: CN216622478U
Application number: CN202122259159.3U
Authority: CN
Inventors: 杨金荣
Original assignee: Jiangsu Bailing Electric Appliance Co ltd
Current assignee: Jiangsu Bailing Electric Appliance Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-05-27
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a waterproof structure of a shell of an electric energy meter, which comprises a cover plate hinged with the surface of the shell and a transparent window fixedly connected with the surface of the cover plate in a sealing way, wherein air supply through grooves penetrate through the upper side of the shell at equal intervals, the upper ends of the air supply through grooves are communicated with air guide pipes fixedly connected with the upper end of the shell, two ends of the air guide pipes are of downward bending structures, drying components are arranged at the lower ends of the air supply through grooves, air exhaust through grooves penetrate through the lower end of the shell at equal intervals, heat dissipation components are arranged at the upper ends of the air exhaust through grooves, and splash-proof pipes fixedly connected with the bottom wall of the shell are arranged at the lower ends of the air guide pipes; through radiator unit, the logical groove of giving the wind and the setting of leading to the groove of airing exhaust, accelerate the inside gaseous velocity of flow of casing, through the setting of guide duct and splashproof pipe, play the splashproof effect to sleet, prevent that it from entering into inside the casing, the use of cooperation drying assembly simultaneously carries out drying process to leading-in gas, make the inside dry environment that remains all the time of casing, prevent to corrode casing internal components and parts because of steam, the life of electric energy meter has been reduced.

Description

Electric energy meter shell waterproof structure

Technical Field

The utility model relates to the field of electric energy meters, in particular to a waterproof structure of an electric energy meter shell.

Background

An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter and kilowatt-hour meter, and refers to an instrument for measuring various electric quantities, and when the electric energy meter is used, the electric energy meter can be directly connected to a circuit for measurement under the conditions of low voltage (not more than 500V) and low current (dozens of amperes). Under the condition of high voltage or large current, the electric energy meter cannot be directly connected with a circuit and needs to be matched with a voltage transformer or a current transformer for use.

The electric energy meter is usually installed indoors and outdoors, when the electric energy meter is installed outdoors, the electric energy meter can be frequently in rainy and snowy weather or humid environment, moisture in the air is easily led into the electric energy meter, the moisture in the air can corrode components inside the electric energy meter, the phenomenon of short circuit can occur, and the use of the electric energy meter is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a waterproof structure of an electric energy meter shell, which is used for solving the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the electric energy meter shell waterproof structure comprises a cover plate hinged to the surface of a shell and a transparent window fixedly connected to the surface of the cover plate in a sealing mode, wherein air supply through grooves penetrate through the upper side of the shell at equal intervals, air guide pipes fixedly connected to the upper end of the shell are communicated with the upper end of each air supply through groove, the two ends of each air guide pipe are of downward bending structures, drying assemblies are arranged at the lower ends of the air supply through grooves, air exhaust through grooves penetrate through the lower end of the shell at equal intervals, heat dissipation assemblies are arranged at the upper ends of the air exhaust through grooves, and splash-proof pipes fixedly connected to the bottom wall of the shell are arranged at the lower ends of the air exhaust through grooves.

As a preferred technical scheme of the utility model, the air inlets at two ends of the air guide pipe are fixedly connected with first dust-proof plates, and the air outlet of the splash-proof pipe is fixedly connected with a second dust-proof plate.

As a preferable technical solution of the present invention, the drying assembly includes a drying member and a placing frame for supporting the drying member, and the heat dissipation assembly includes a heat dissipation fan and a fixing frame for fixing the heat dissipation fan.

As a preferable technical scheme of the utility model, the drying part comprises a drying box and through grooves which are arranged at equal intervals at the upper end and the lower end of the drying box, a drying plate made of a drying agent is arranged in each through groove, and a gap is arranged in each drying plate.

As a preferred technical scheme of the utility model, the lower end surface of the shell is equidistantly provided with threading holes, and the peripheral surface of each threading hole is fixedly connected with a sealing ring.

As a preferred technical solution of the present invention, a sealing gasket is fixedly connected to the outer circumferential surface of the cover plate, and two ends of the sealing gasket are respectively provided with an inward extending portion and an outward extending portion, the inward extending portion of the sealing gasket located inside the housing is fixedly connected to the inner wall of the cover plate, and the outward extending portion at the other end of the sealing gasket is attached to the surface of the housing.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the flow velocity of gas in the shell is accelerated by the arrangement of the heat dissipation assembly, the air supply through groove and the air exhaust through groove, rain and snow are prevented from entering the shell by the arrangement of the air guide pipe and the splash-proof pipe, and the introduced gas is dried by the aid of the drying assembly, so that the interior of the shell is always kept in a dry environment, components in the shell are prevented from being corroded by water vapor, and the service life of the electric energy meter is shortened;

2. through the matching of the first dustproof plate and the second dustproof plate, dust in external air is prevented from entering the shell and attaching to the surface of components in the shell, so that the service life of the components is influenced;

3. when the apron is fixed, extrusion seal between the sealed pad of apron global and the casing, then laminate on the surface of casing through sealed outside extension of filling up, seal the gap department between sealed peripheral face and the casing, improve the leakproofness between apron and the casing, through sealed connection of the inside extension of pad and apron, increased the area of contact between sealed pad and the apron simultaneously, and then increased the connection stability of sealed pad.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the structure of the dryer of the present invention;

wherein: 1. a housing; 2. a cover plate; 3. a transparent window; 4. a gasket; 5. threading holes; 6. A seal ring; 7. an air guide pipe; 8. a first dust-proof plate; 9. a splash tube; 10. a second dust-proof plate; 11. placing a rack; 12. drying the part; 121. a drying oven; 122. a through groove; 123. drying the plate; 13. a wind supply through groove; 14. a heat dissipation fan; 15. a fixed mount; 16. and an air exhaust through groove.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, the present invention provides a waterproof structure for a housing of an electric energy meter, which comprises a cover plate 2 hinged to the surface of a housing 1 and a transparent window 3 hermetically fixed on the surface of the cover plate 2, wherein an air supply through groove 13 penetrates through the upper side of the housing 1 at equal intervals, the upper end of the air supply through groove 13 is communicated with an air guide pipe 7 fixedly connected with the upper end of the housing 1, two ends of the air guide pipe 7 are of a downward bending structure, the lower end of the air supply through groove 13 is provided with a drying component, the drying component comprises a drying piece 12 and a placing frame 11 for supporting the drying piece 12, the drying piece 12 comprises a drying box 121 and through grooves 122 formed at equal intervals at the upper and lower ends thereof, a drying plate 123 made of a drying agent is arranged inside the through groove 122, a gap is arranged inside the drying plate 123, an air exhaust through groove 16 penetrates through the lower end of the housing 1 at equal intervals, a heat dissipation component is arranged at the upper end of the through groove 16, the heat dissipation component comprises a heat dissipation fan 14 and a fixing frame 15 for fixing the heat dissipation fan 14, the lower end of the air exhaust through groove 16 is provided with a splash-proof pipe 9 fixedly connected with the bottom wall of the shell 1;

controlling the operation of the heat dissipation fan 14, wherein the heat dissipation fan 14 accelerates the flow rate of the air inside the casing 1, and simultaneously discharges the air through the air exhaust through groove 16, and the external air is guided into the casing 1 through the two ends of the air guide pipe 7 and the air supply through groove 13, thereby realizing the heat exchange operation of the air inside the casing 1, and accelerating the heat dissipation rate inside the casing 1, and the air guide pipe 7 is set to be of a structure with two downward inclined ends, mainly preventing rain and snow from entering the casing 1 in the rain and snow weather, and simultaneously preventing rain and snow from splashing into the casing 1 from the air exhaust through groove 16 through the arrangement of the splash-proof pipe 9, and when the air enters the casing 1, the air firstly enters the inside of the drying box 121 from the through groove 122, and then the air penetrates to the other end from the gap of the drying plate 123 and then enters the inside of the casing 1, and drying the guided air, so that the inside of the casing 1 is always kept in a dry environment, prevent to corrode because of steam to casing 1 inside components and parts, reduced the life of electric energy meter.

As shown in fig. 1 and fig. 2, in the embodiment, the air inlets at two ends of the air guiding pipe 7 are fixedly connected with the first dust-proof plate 8, and the air outlet of the splash-proof pipe 9 is fixedly connected with the second dust-proof plate 10;

through the cooperation of first dust guard 8 and second dust guard 10, prevent that the dust in the external gas from entering into casing 1, attached to the inside components and parts surface of casing 1, influence the life portion of components and parts.

As shown in fig. 1 and fig. 2, in the embodiment, the lower end surface of the casing 1 is provided with threading holes 5 at equal intervals, and the circumferential surface of the threading holes 5 is fixedly connected with a sealing ring 6;

through the use of threading hole 5 cooperation sealing washer 6, prevent that steam from getting into the inside of casing 1 from the gap between threading hole 5 and the wire.

As shown in fig. 1 and fig. 2, in the embodiment, a sealing gasket 4 is fixedly connected to the outer circumferential surface of a cover plate 2, and two ends of the sealing gasket 4 are respectively provided with an inward extending portion and an outward extending portion, the inward extending portion of the sealing gasket 4 located inside a housing 1 is fixedly connected to the inner wall of the cover plate 2, and the outward extending portion at the other end of the sealing gasket 4 is attached to the surface of the housing 1;

when fixing apron 2, the extrusion is sealed between the sealed 4 of apron 2 global and the casing 1, then laminate on the surface of casing 1 through the outside extension of sealed 4, gap department between sealed 4 outer peripheral faces and the casing 1 seals up, improve the leakproofness between apron 2 and the casing 1, through sealed inside extension of sealed 4 and the connection of apron 2 simultaneously, increased the area of contact between sealed 4 and the apron 2, and then increased the connection stability of sealed 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Electric energy meter casing waterproof construction, including articulating in apron (2) on casing (1) surface and sealed rigid coupling transparent window (3) on apron (2) surface, its characterized in that: the air supply device is characterized in that an air supply through groove (13) penetrates through the upper side of the shell (1) at equal intervals, the upper end of the air supply through groove (13) is communicated with an air guide pipe (7) fixedly connected with the upper end of the shell (1), two ends of the air guide pipe (7) are of downward bending structures, a drying component is arranged at the lower end of the air supply through groove (13), an air exhaust through groove (16) penetrates through the lower end of the shell (1) at equal intervals, a heat dissipation component is arranged at the upper end of the air exhaust through groove (16), and a splash-proof pipe (9) fixedly connected with the bottom wall of the shell (1) is arranged at the lower end of the air exhaust through groove.

2. The electric energy meter casing waterproof structure of claim 1, characterized in that: and air inlets at two ends of the air guide pipe (7) are fixedly connected with first dust-proof plates (8), and an air outlet of the splash-proof pipe (9) is fixedly connected with second dust-proof plates (10).

3. The electric energy meter casing waterproof structure of claim 1, characterized in that: the drying component comprises a drying piece (12) and a placing frame (11) used for supporting the drying piece (12), and the heat dissipation component comprises a heat dissipation fan (14) and a fixing frame (15) used for fixing the heat dissipation fan (14).

4. The waterproof structure of the electric energy meter case according to claim 3, characterized in that: the drying piece (12) comprises a drying box (121) and a through groove (122) which is formed in the upper end and the lower end of the drying box at equal intervals, a drying plate (123) made of a drying agent is arranged in the through groove (122), and a gap is formed in the drying plate (123).

5. The electric energy meter casing waterproof structure of claim 1, characterized in that: the surface equidistance of casing (1) lower extreme is equipped with through wires hole (5), and the global rigid coupling in through wires hole (5) has sealing washer (6).

6. The electric energy meter casing waterproof structure of claim 1, characterized in that: apron (2) outer peripheral face rigid coupling has sealed the pad (4), and sealed pad (4) both ends are equipped with inward extension and outside extension respectively, are located the inside extension and the apron (2) inner wall rigid coupling of the sealed pad (4) of casing (1) inside, and the outside extension and casing (1) surface laminating of sealed pad (4) other end.