CN219019413U - Ventilation device for power metering cabinet - Google Patents

Abstract

The utility model relates to the technical field of electric power equipment, and discloses a ventilation device for a power metering cabinet, comprising a power metering cabinet, the outer wall of the power metering cabinet is fixedly connected with a cooling mechanism, and the inner wall of the power metering cabinet is fixedly connected with a heat dissipation mechanism , one side of the power metering cabinet is hinged with an inspection mechanism, the heat dissipation mechanism includes a fixed frame, a second fan, a mounting hole, an air outlet pipe, an air inlet pipe and an evaporator, and the inner wall of the fixed frame is connected to a second Fan, the outer wall of the fixed frame is provided with installation holes, one side of the fixed frame is fixedly connected with an evaporator, one side of the evaporator is fixedly connected with an air outlet pipe, and one side of the evaporator is fixedly connected with an inlet The cold air generated by the trachea and evaporator is blown to the inside of the power metering cabinet by the second fan to dissipate heat inside, prevent the parts from being damaged due to overheating, increase the service life of the parts, and reduce the economic consumption of users.

Description

Ventilation device for power metering cabinet

technical field

The utility model relates to the technical field of electric power equipment, in particular to a ventilation device for a power metering cabinet.

Background technique

The power metering cabinet is a cabinet for installing and controlling the electric energy meter. Due to the popularization of electricity and the basic needs of life, the power metering cabinet has become a necessary equipment for power equipment.

For example, the Chinese patent number is: CN109449803A. The present invention discloses a ventilation device for a power metering cabinet, which includes a metering cabinet body and a through hole on the inner wall of the bottom side of the metering cabinet body. A mounting plate is provided directly below the through hole. , the top of the mounting plate is fixedly connected to the motor, and the output shaft of the motor is fixedly connected to the rotating shaft. Above the through hole is a slanting plate welded on the inner wall of the metering cabinet. A first bevel gear is welded, a plurality of fan blades are fixedly connected to the outer side of the rotating shaft, and the plurality of fan blades are all located in the through hole, and a bar-shaped groove is opened on the inner wall of one side of the metering cabinet body. The design of the invention is reasonable, and it is convenient to blow the outside air into the metering cabinet body, and the air flow can be evenly blown into the metering cabinet body, reducing the dead angle of blowing, facilitating the heat dissipation of the metering cabinet body, avoiding the damage caused by overheating in the metering cabinet body, and being beneficial to use .

However, there are some problems in the prior art:

1. Most of the existing power metering cabinets have relatively poor heat dissipation effect on the interior, and the internal circuit aging is relatively fast.

2. The ventilation effect of most existing power metering cabinets is relatively poor, and it is relatively easy to accumulate dust.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a ventilation device for a power metering cabinet, which has the advantages of increased heat dissipation and fast air circulation, and solves the above-mentioned problems in the background technology.

(2) Technical solutions

In order to achieve the above-mentioned purpose of increasing heat dissipation and fast air circulation, the utility model provides the following technical solutions: a ventilation device for a power metering cabinet, including a power metering cabinet, the outer wall of the power metering cabinet is fixedly connected with a cooling mechanism, and the power metering cabinet A cooling mechanism is fixedly connected to the inner wall of the cabinet, and a maintenance mechanism is hinged to one side of the power metering cabinet.

The heat dissipation mechanism includes a fixed frame, a second fan, a mounting hole, an air outlet pipe, an air intake pipe, and an evaporator, the inner wall of the fixed frame is connected to a second fan with a rotating shaft, and the outer wall of the fixed frame is provided with a mounting hole. One side of the fixed frame is fixedly connected with an evaporator, one side of the evaporator is fixedly connected with an air outlet pipe, and one side of the evaporator is fixedly connected with an air inlet pipe, and the cold air generated by the evaporator is blown to the electric power by the second fan. Inside the metering cabinet, the internal heat is dissipated to prevent damage to parts caused by excessive temperature, increase the service life of parts, and reduce the economic consumption of users.

Preferably, the cooling mechanism includes a compressor, a hot gas pipe, a connecting pipe, a cooling frame, a condenser, a liquid pipe, a heat dissipation frame and a first fan, the inner wall of the cooling frame is fixedly connected with a compressor, and the One side is fixedly connected with a hot gas pipe, one side of the compressor is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a condenser, one side of the condenser is fixedly connected with a liquid pipe, and the condenser The first fan is fixedly connected to one side of the cooling frame, and the outer wall of the cooling frame is provided with a heat dissipation frame. The compressor compresses and liquefies the Freon, and further cools the Freon through the condenser, so as to ensure the maximum effect of the heat dissipation mechanism and enhance The heat dissipation effect of the power metering cabinet.

Preferably, the inspection mechanism includes an inspection door, a handle and a heat dissipation hole, the outer wall of the inspection door is fixedly connected with a handle, and the outer wall of the inspection door is provided with a heat dissipation hole, which is convenient for inspection and maintenance of the inside of the power metering cabinet to dissipate heat. The holes enhance the ventilation effect of the inner wall of the power metering cabinet.

Preferably, a ventilation fan is fixedly connected to the top of the power metering cabinet, and the central axis of the ventilation fan coincides with the central axis of the power metering cabinet to enhance the ventilation effect of the power metering cabinet, and the cooling holes and the ventilation fan form a complete air duct , to speed up the circulation of air.

Preferably, one side of the fixed frame is fixedly connected to one side of the evaporator through bolts and installation holes, the fixed frame is fixedly connected to the inner wall of the power metering cabinet through bolts, and the installation hole and the evaporator can be conveniently connected through the fixed connection of the bolts. Maintenance is also convenient for cleaning the dust on the installation hole and evaporator.

Preferably, one end of the air outlet pipe is fixedly connected with a hot gas pipe, and one end of the air inlet pipe is fixedly connected with a liquid pipe, so as to recycle Freon inside the device and directly connect the two mechanisms to reduce the loss of intermediate temperature.

Preferably, one side of the fixed frame is rounded, and the rounded corners on the fixed frame are turned inward to reduce the protrusion of the bolts and prevent the parts from colliding with the bolts.

Preferably, the evaporator forms a communication structure with the condenser through an air outlet pipe, an air inlet pipe, a compressor, a hot air pipe, a connecting pipe and a liquid pipe, so as to prevent the leakage of Freon from reducing the heat dissipation effect.

(3) Beneficial effects

Compared with the prior art, the utility model provides a ventilation device for a power metering cabinet, which has the following beneficial effects:

1. The ventilation device of the power metering cabinet, through the set heat dissipation mechanism, the cold air generated by the evaporator is blown to the inside of the power metering cabinet by the second fan to dissipate heat inside, prevent the parts from being damaged due to excessive temperature, and increase the use of parts The service life of the utility model is reduced, and the economic consumption of the user is reduced, thereby improving the practicability of the ventilating device of the power metering cabinet.

2. The ventilation device of the power metering cabinet, through the cooling mechanism provided, the compressor compresses and liquefies Freon, and further cools the Freon through the condenser, so as to ensure the maximum effect of the heat dissipation mechanism and enhance the heat dissipation effect of the power metering cabinet .

3. The ventilation device of the power metering cabinet is convenient for inspection and maintenance of the inside of the power metering cabinet through the maintenance mechanism, and the cooling holes strengthen the ventilation effect of the inner wall of the power metering cabinet.

Description of drawings

Fig. 1 is a sectional view of the utility model;

Fig. 2 is a sectional view of the utility model cooling mechanism;

Fig. 3 is a schematic diagram of the connection structure between the cooling frame and the first fan of the present invention;

Fig. 4 is the front view of the heat dissipation mechanism of the present invention;

Fig. 5 is a side view of the heat dissipation mechanism of the present invention;

Fig. 6 is a side view of the utility model.

In the figure: 1, cooling mechanism; 101, compressor; 102, hot air pipe; 103, connecting pipe; 104, cooling frame; 105, condenser; 106, liquid pipe; 107, cooling frame; 108, first fan; 2 , power metering cabinet; 3, ventilation fan; 4, cooling mechanism; 401, fixed frame; 402, second fan; 403, installation hole; 404, air outlet pipe; 405, intake pipe; 406, evaporator; 5, maintenance mechanism ; 501, inspection door; 502, handle; 503, cooling holes.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

The preferred embodiment of the electric power metering cabinet ventilation device provided by the utility model is shown in Figures 1 to 6: a power metering cabinet ventilation device, including a power metering cabinet 2, and a cooling mechanism 1 is fixedly connected to the outer wall of the power metering cabinet 2 , the inner wall of the power metering cabinet 2 is fixedly connected with a cooling mechanism 4 , and one side of the power metering cabinet 2 is hinged with a maintenance mechanism 5 .

The cooling mechanism 4 includes a fixed frame 401, a second fan 402, an installation hole 403, an air outlet pipe 404, an air intake pipe 405, and an evaporator 406. The inner wall rotating shaft of the fixed frame 401 is connected with the second fan 402, and the outer wall of the fixed frame 401 is provided with a mounting hole. hole 403, one side of the fixed frame 401 is fixedly connected with an evaporator 406, one side of the evaporator 406 is fixedly connected with an outlet pipe 404, and one side of the evaporator 406 is fixedly connected with an intake pipe 405, and the cold air generated by the evaporator 406 is The second fan 402 blows to the inside of the power metering cabinet to dissipate heat inside, prevent the parts from being damaged due to overheating, increase the service life of the parts, and reduce the economic consumption of users.

In this embodiment, the cooling mechanism 1 includes a compressor 101, a hot gas pipe 102, a connecting pipe 103, a cooling frame 104, a condenser 105, a liquid pipe 106, a heat dissipation frame 107 and a first fan 108, and the inner wall of the cooling frame 104 is fixedly connected with A compressor 101, one side of the compressor 101 is fixedly connected with a hot gas pipe 102, one side of the compressor 101 is fixedly connected with a connecting pipe 103, one end of the connecting pipe 103 is fixedly connected with a condenser 105, one side of the condenser 105 is fixedly connected There is a liquid pipe 106, a first fan 108 is fixedly connected to one side of the condenser 105, a cooling frame 107 is provided on the outer wall of the cooling frame 104, the compressor 101 compresses and liquefies Freon, and the condenser 105 further cools the Freon, Ensure that the work of the heat dissipation mechanism 4 reaches the maximum effect, and enhance the heat dissipation effect on the power metering cabinet.

Example 2

On the basis of Embodiment 1, the preferred embodiment of the electric power metering cabinet ventilation device provided by the utility model is shown in Fig. The outer wall of the door is fixedly connected with a handle 502, and the outer wall of the maintenance door 501 is provided with a cooling hole 503, which is convenient for inspection and maintenance of the inside of the power metering cabinet. The cooling hole 503 strengthens the ventilation effect of the inner wall of the power metering cabinet.

In this embodiment, a ventilation fan 3 is fixedly connected to the top of the power metering cabinet 2, and the central axis of the ventilation fan 3 coincides with the central axis of the power metering cabinet 2 to enhance the ventilation effect of the power metering cabinet. The complete air duct accelerates the air circulation.

Further, one side of the fixed frame 401 is fixedly connected to one side of the evaporator 406 through bolts and the mounting hole 403, and the fixed frame 401 is fixedly connected to the inner wall of the power metering cabinet 2 through bolts, and the fixed connection of the bolts can facilitate the installation hole 403 and the evaporator. It is also convenient to clean up the dust on the installation hole 403 and the evaporator 406.

Furthermore, one end of the outlet pipe 404 is fixedly connected to the hot gas pipe 102, and one end of the inlet pipe 405 is fixedly connected to the liquid pipe 106, so as to recycle Freon inside the device and directly connect the two mechanisms to reduce the loss of intermediate temperature.

In addition, one side of the fixed frame 401 is rounded, and the rounded corners on the fixed frame 401 are turned inward to reduce the protrusion of the bolts and prevent the parts from colliding with the bolts. The evaporator 406 passes through the air outlet pipe 404, The gas pipe 405, compressor 101, hot gas pipe 102, connecting pipe 103 and liquid pipe 106 form a communication structure with the condenser 105 to prevent the leakage of Freon from reducing the cooling effect.

The electrical components appearing in this article are all connected with the external main controller and 220V mains electricity, and the main controller can be a conventional known device that plays a control such as a computer.

When in use, the compressor 101 starts to compress and liquefy Freon, the condenser 105 and the first fan 108 cool down the liquefied Freon, and the cooled liquefied Freon enters the evaporator 406 through the liquid pipe 106 and the intake pipe 405, where it vaporizes and absorbs heat. The second fan 402 blows cold air to the inside of the power metering cabinet 2 to cool down and dissipate heat. Freon enters the compressor 101 through the air outlet pipe 404 and the hot air pipe 102 to perform the next cycle.

To sum up, the ventilation device of the power metering cabinet can achieve the above-mentioned purposes of increasing heat dissipation and fast air circulation.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an electric power metering cabinet ventilation unit, includes electric power metering cabinet (2), its characterized in that: the electric power metering cabinet is characterized in that the outer wall of the electric power metering cabinet (2) is fixedly connected with a cooling mechanism (1), the inner wall of the electric power metering cabinet (2) is fixedly connected with a heat dissipation mechanism (4), and one side of the electric power metering cabinet (2) is hinged with an overhaul mechanism (5);

the heat dissipation mechanism (4) comprises a fixed frame (401), a second fan (402), a mounting hole (403), an air outlet pipe (404), an air inlet pipe (405) and an evaporator (406), wherein the second fan (402) is connected with a rotating shaft of the inner wall of the fixed frame (401), the mounting hole (403) is formed in the outer wall of the fixed frame (401), the evaporator (406) is fixedly connected to one side of the fixed frame (401), the air outlet pipe (404) is fixedly connected to one side of the evaporator (406), and the air inlet pipe (405) is fixedly connected to one side of the evaporator (406).

2. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: the cooling mechanism (1) comprises a compressor (101), a hot air pipe (102), a connecting pipe (103), a cooling frame (104), a condenser (105), a liquid pipe (106), a heat dissipation frame (107) and a first fan (108), wherein the inner wall of the cooling frame (104) is fixedly connected with the compressor (101), one side of the compressor (101) is fixedly connected with the hot air pipe (102), one side of the compressor (101) is fixedly connected with the connecting pipe (103), one end of the connecting pipe (103) is fixedly connected with the condenser (105), one side of the condenser (105) is fixedly connected with the liquid pipe (106), one side of the condenser (105) is fixedly connected with the first fan (108), and the outer wall of the cooling frame (104) is provided with the heat dissipation frame (107).

3. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: the overhaul mechanism (5) comprises an overhaul door (501), a handle (502) and a heat dissipation hole (503), wherein the handle (502) is fixedly connected to the outer wall of the overhaul door (501), and the heat dissipation hole (503) is formed in the outer wall of the overhaul door (501).

4. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: the top fixedly connected with ventilation fan (3) of electric power measurement cabinet (2), the axis of ventilation fan (3) coincides with the axis of electric power measurement cabinet (2).

5. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: one side of the fixed frame (401) is fixedly connected with one side of the evaporator (406) through bolts and mounting holes (403), and the fixed frame (401) is fixedly connected with the inner wall of the electric power metering cabinet (2) through bolts.

6. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: one end of the air outlet pipe (404) is fixedly connected with the hot air pipe (102), and one end of the air inlet pipe (405) is fixedly connected with the liquid pipe (106).

7. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: one side of the fixed frame (401) is rounded, and the round corners on the fixed frame (401) are inwardly rounded.

8. A power metering cabinet ventilation apparatus as claimed in claim 1, wherein: the evaporator (406) and the condenser (105) form a communication structure through an air outlet pipe (404), an air inlet pipe (405), a compressor (101), a hot air pipe (102), a connecting pipe (103) and a liquid pipe (106).

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