CN211126605U

CN211126605U - Take ammeter case of automatic heat dissipation function

Info

Publication number: CN211126605U
Application number: CN201921650707.1U
Authority: CN
Inventors: 肖棠译
Original assignee: Guizhou Qianbian Electric Technology Co ltd
Current assignee: Guizhou Qianbian Electric Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-28
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a pair of take ammeter case of automatic heat dissipation function, including box and cooling device, the bottom of box is equipped with the inlet port, the top of box is equipped with the gas vent, the inner wall fixedly connected with ammeter of box, the left side of box articulates there is the case lid, the front of case lid is equipped with the viewing aperture, the below that the case lid is located the viewing aperture is equipped with the thermovent, cooling device comprises relay, thermometer and electric fan A, relay and thermometer all set up inside the box, electric fan A sets up in the inlet port. The utility model discloses can guarantee that the internal temperature of ammeter case is in safe temperature often, when the temperature risees and reaches the alarm value, cooling device can open automatically, and box temperature cooling with higher speed makes the temperature fall in the safety value, when the temperature falls in the safety value, cooling device self-closing to realize automatic cooling's function. And, the utility model discloses simple structure can obtain extensive popularization in practical application.

Description

Take ammeter case of automatic heat dissipation function

Technical Field

The utility model relates to an electric power application specifically is an ammeter case of automatic heat dissipation function in area.

Background

The electric meter box is a protection device of the electric meter. In modern society, the application of electric power has become extremely widespread, whenever in the process of electric power application. We need to install the electric meter, and we only need the electric meter box. The box body of the electric meter box is mainly formed by injection molding and pressing of ABS engineering plastic, polycarbonate transparent PC material, DMC and SMC. The electric meter box is generally laid along a terminal from an electric power facility to a house, and each house needs one meter box, so that the consumption of the electric meter box is extremely large.

In recent years, because the country increases the investment on electric power infrastructure and the urbanization development, the country has great investment on public facilities, but the electric meter boxes in the current market are basically of a common case structure, the heat dissipation technology of the case is incomplete, so that if the case works at a high temperature for a long time, electronic elements in the electric meter boxes can be burnt out due to the fact that the electric meter boxes do not have the heat dissipation function, the service life of the electric meter is influenced, and a fire disaster condition can happen seriously. Therefore, the patent document with the patent number of CN201721055051.X provides an electric meter box with a good heat dissipation effect, and relates to the field of electric power. This ammeter case that radiating effect is good, the power distribution box comprises a box body, the air inlet has been seted up to the inner wall bottom of box, the inner wall bottom of box is located the top fixedly connected with inlet fan of air intake, the inner wall bottom of box has been located the left side of air inlet and has been seted up the gas vent, the inner wall bottom of box has been located the top fixedly connected with exhaust fan of gas vent, the inner wall bottom of box has been located the air inlet and has been seted up the wire guide between the gas vent, the left side of box articulates there is the table case lid, and the viewing aperture has been seted up in the front of table case lid, and the thermovent has been seted up in the front. This ammeter case that radiating effect is good through setting up the thermovent, effectively circulates to the outside air, makes the ammeter case have radiating effect, can make the inside that the outside air carried the box through setting up air intake fan for the heat dissipation of ammeter case. However, in practical application, when the temperature is higher, this utility model can not in time lower the temperature, leads to the components and parts of ammeter to damage easily, and then reduces the life of ammeter case.

SUMMERY OF THE UTILITY MODEL

To the weak point among the above-mentioned prior art, the utility model aims at providing automatic radiating ammeter case for when ambient temperature is higher, ammeter case and ammeter incasement portion's ammeter can dispel the heat fast.

In order to solve the technical problem, the utility model provides an electricity meter box with automatic heat dissipation function, which comprises a box body and a cooling device, wherein the bottom of the box body is provided with an air inlet hole, the top of the box body is provided with an air outlet, the inner wall of the box body is fixedly connected with an electricity meter, the left side of the box body is hinged with a box cover, the front side of the box cover is provided with an observation hole, the box cover is positioned below the observation hole and is provided with a heat dissipation hole, the cooling device consists of a relay, a thermometer and an electric fan A, the relay and the thermometer are both arranged inside the box body, the electric fan A is arranged in the air inlet hole, one end of a coil of the relay is connected with a direct current power supply, the direct current power supply is connected with a conducting wire arranged at the top of the thermometer, the other end, the electric fan is characterized in that a permanent magnet is arranged right above the wiring terminal A, a wiring terminal B is arranged on the lower end face of the permanent magnet, a spring is connected to the upper end face of the permanent magnet, the spring is hung on a hanging frame arranged in the box body, the wiring terminal A is connected with the electric fan A through a wire, the wiring terminal B is connected with a power supply through a wire, the power supply is connected with the electric fan A, and a wire hole is formed in the bottom of the box body.

The box body and the box cover are respectively provided with a lock catch at one side far away from each other, and the lock catches are provided with lock holes.

And a rainproof device is arranged on the outer side of the heat dissipation port.

The air inlet and the air outlet are centrosymmetric about the intersection point of the diagonal lines of the box body.

An exhaust fan is arranged in the exhaust port.

And an air equalizing plate is arranged between the bottom end in the box body and the electric meter and is right opposite to the electric fan A, and air equalizing holes are formed in the air equalizing plate.

The conductive electrode wire is a movable electrode wire, and one end of the conductive electrode wire, which is far away from the direct-current power supply, extends into the mercury column space of the thermometer.

One end of the wiring copper sheet is arranged inside the mercury column of the thermometer.

The utility model has the advantages that: the utility model discloses can guarantee that the internal temperature of ammeter case is in safe temperature often, when the temperature risees and reaches the alarm value, cooling device can open automatically to the temperature cooling of box inside is accelerated, makes the temperature fall to the safety value in, when the temperature falls to the safety value in, cooling device can self-closing, reduces the energy consumption and realizes the function of automatic cooling; and, the utility model discloses simple structure can obtain extensive popularization in practical application.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the case of the present invention;

FIG. 3 is a schematic view of a part of the structure of the cooling device of the present invention;

FIG. 4 is a schematic structural view of the thermometer of the present invention;

FIG. 5 is a schematic structural view of the case cover and the rain-proof device of the present invention;

fig. 6 is a schematic structural view of the gas-distributing plate of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-6, the electric meter box with automatic heat dissipation function of the present invention comprises a box body 1 and a cooling device 2, wherein the bottom of the box body 1 is provided with an air inlet 3, and the top of the box body 1 is provided with an air outlet 4; the air inlet 3 is convenient for blowing air into the box body 1, the air outlet 4 is convenient for exhausting air from the box body 1, and the air inlet 3 and the air outlet 4 are mainly set to ensure the air circulation in the box body 1.

An ammeter 5 is fixedly connected to the inner wall of the box body 1, a box cover 6 is hinged to the left side of the box body 1, an observation port 7 is formed in the front side of the box cover 6, and a heat dissipation port 8 is formed in the position, below the observation port 7, of the box cover 6; the box cover 6 is mainly used for protecting the ammeter 5; the observation port 7 is mainly convenient for observing the ammeter 5 in the box body 1 without opening the box cover 6; the heat dissipation port 8 is mainly set to ensure the heat dissipation effect of the heat inside the box body 1 and increase the cooling rate inside the box body 1; the number of the heat dissipation ports 8 can be a plurality of, in actual design, preferably not less than three, and the heat dissipation ports are arranged equidistantly, so that the heat dissipation effect is better.

The cooling device 2 consists of a relay 9, a thermometer 10 and an electric fan A11, wherein the relay 9 and the thermometer 10 are both arranged in the box body 1, and the electric fan A11 is arranged in the air inlet 3; the cooling device 2 is mainly used for cooling the interior of the box body 1, and the relay 9 and the thermometer 10 are both arranged in the box body 1, so that the relay 9 and the thermometer 10 are protected on the one hand, and the thermometer 10 is convenient to monitor the ambient temperature in the box body 1 in real time on the other hand; the electric fan A11 is arranged in the air inlet 3, which mainly ensures that the electric fan A11 can smoothly blow air into the box body 1.

One end of a coil of the relay 9 is connected with a direct current power supply 12, the direct current power supply 12 is connected with a conducting wire 13 arranged at the top of the thermometer 10, the other end of the coil of the relay 9 is connected with a wiring copper sheet 14 arranged at the bottom of the thermometer 10, a wiring terminal A15 is arranged at the top end of the coil of the relay 9, a permanent magnet 16 is arranged right above the wiring terminal A15, a wiring terminal B17 is arranged on the lower end face of the permanent magnet 16, a spring 18 is connected to the upper end face of the permanent magnet 16, the spring 18 is hung on a hanging bracket 19 arranged in the box body 1, the wiring terminal A15 is connected with an electric fan A11 through a conducting wire, a power supply 20 is connected with the wiring terminal B17 through a conducting wire, the power supply 20 is connected.

During actual design, the permanent magnet 16 is suspended on the spring 18, the terminal A15 and the terminal B17 are separated from each other, the magnetic poles of the permanent magnet 16 and a coil of the relay 9 are opposite when the coil is electrified, when the ambient temperature reaches an alarm value, the conductive electrode wire 13 is connected with a mercury column, the coil of the relay 9 is electrified to generate a magnetic field and attract the permanent magnet 16, so that the terminal A15 and the terminal B17 are connected, the electric fan 11 is electrified to work, the air flow rate in the box body 1 is increased, the cooling speed of the electric meter 5 is increased, and the electric meter 5 and electric elements in the box body 1 are rapidly cooled; when the temperature reaches a safe value, the mercury column of the thermometer 10 descends and is disconnected with the conductive electrode wire 13, so that the coil of the relay 9 is powered off, the spring 18 contracts, the terminal A15 and the terminal B17 are separated from each other, and the electric fan 11 stops working; moreover, the arrangement of the wire hole 21 also facilitates the arrangement of the wires connected with the electricity meter 5. Therefore, according to this principle, the utility model discloses realize ammeter case automatic temperature control and make its function that reaches safe temperature, can obtain extensive popularization in practical application.

The side, away from each other, of the box body 1 and the box cover 6 is provided with a lock catch 22, and the lock catch 22 is provided with a lock hole 23; the lock 22 and the lock hole 23 are designed to cover the box body with the box cover 6, so as to protect the electric meter 5 and reduce the damage of the electric meter 5 caused by wind, sunshine and rain.

A rainproof device 24 is arranged on the outer side of the heat dissipation opening 8; rainwater is prevented from entering the box body 1 from the heat dissipation port 8, so that damage to the ammeter 5 is reduced.

The air inlet 3 and the air outlet 4 are centrosymmetric about the intersection point of the diagonals of the box body 1. The cooling device is mainly convenient for the circulation of air flow inside the box body 1, thereby enhancing the cooling rate inside the box body 1.

An exhaust fan 25 is arranged in the exhaust port 4; the exhaust fan 25 is set to further enhance the ventilation rate of the air flow inside the case 1, thereby enhancing the cooling effect of the electricity meter 5 inside the case 1.

An air equalizing plate 26 is arranged between the bottom end in the box body 1 and the electric meter 5, the air equalizing plate 26 faces the electric fan A11, and air equalizing holes 27 are formed in the air equalizing plate 26; the setting of the air-equalizing plate 26 mainly enables the air blown into the box body 1 by the electric fan a11 to be uniformly distributed, the whole cooling effect of the electric meter 5 is enhanced, and the setting of the air-equalizing hole 27 reduces the blockage of the air blown out by the electric fan a11 by the air-equalizing plate 26, so that the flow speed of the air in the box body 1 is increased, and the whole cooling effect of electric elements in the box body 1 is further enhanced.

The conducting electrode wire 13 is a movable electrode wire, one end, far away from the direct-current power supply 12, of the conducting electrode wire 13 extends into a mercury column space of the thermometer 10, the conducting electrode wire 13 is set to be the movable electrode wire, the limit temperature alarm value is convenient to adjust, the conducting electrode wire 13 extends into the mercury column space of the thermometer 10, and it is guaranteed that the mercury column in the thermometer 10 can be connected with the conducting electrode wire 13 when the temperature reaches the limit alarm value, and therefore the relay 9 works.

One end of the wiring copper sheet 14 is arranged inside a mercury column of the thermometer 10; the cooling device mainly ensures that the mercury column is communicated with the wiring copper sheet 14, and the cooling device can work normally, so that the ammeter 5 and internal components thereof are cooled.

Claims

1. The utility model provides a take ammeter case of automatic heat dissipation function which characterized in that: the electric energy meter comprises a box body (1) and a cooling device (2), wherein an air inlet (3) is formed in the bottom of the box body (1), an exhaust port (4) is formed in the top of the box body (1), an electric meter (5) is fixedly connected to the inner wall of the box body (1), a box cover (6) is hinged to the left side of the box body (1), an observation port (7) is formed in the front of the box cover (6), a heat dissipation port (8) is formed in the box cover (6) below the observation port (7), the cooling device (2) is composed of a relay (9), a thermometer (10) and an electric fan A (11), the relay (9) and the thermometer (10) are arranged inside the box body (1), the electric fan A (11) is arranged in the air inlet (3), one end of a coil of the relay (9) is connected with a direct current power supply (12), and the direct current power supply (12) is communicated with an electrode guide, the electric fan temperature measuring device is characterized in that the other end of a coil of the relay (9) is connected with a wiring copper sheet (14) arranged at the bottom of the thermometer (10), a wiring terminal A (15) is arranged at the top end of the coil of the relay (9), a permanent magnet (16) is arranged right above the wiring terminal A (15), a wiring terminal B (17) is arranged on the lower end face of the permanent magnet (16), a spring (18) is connected to the upper end face of the permanent magnet (16), the spring (18) is hung on a hanging frame (19) arranged in the box body (1), the wiring terminal A (15) is connected with the electric fan A (11) through a wire, the wiring terminal B (17) is connected with a power supply (20) through a wire, the power supply (20) is connected with the electric fan A (11), and a wire.

2. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: one side that box (1) and case lid (6) kept away from each other all is equipped with hasp (22), be equipped with lockhole (23) on hasp (22).

3. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: and a rainproof device (24) is arranged on the outer side of the heat dissipation opening (8).

4. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: the air inlet hole (3) and the air outlet hole (4) are centrosymmetric about the intersection point of the diagonals of the box body (1).

5. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: an exhaust fan (25) is arranged in the exhaust port (4).

6. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: an air-equalizing plate (26) is arranged between the bottom end in the box body (1) and the electric meter (5), the air-equalizing plate (26) faces the electric fan A (11), and air-equalizing holes (27) are formed in the air-equalizing plate (26).

7. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: the conducting wire (13) is a movable wire, and one end, far away from the direct-current power supply (12), of the conducting wire (13) extends into a mercury column space of the thermometer (10).

8. The electric meter box with automatic heat dissipation function as claimed in claim 1, wherein: one end of the wiring copper sheet (14) is arranged in the mercury column of the thermometer (10).