CN218386354U - A power distribution cabinet with a ventilation mechanism in the shell - Google Patents

Abstract

The utility model discloses a power distribution cabinet with a shell provided with a ventilation mechanism, which comprises a cabinet body, an air inlet device, an air supply device and an air exhaust device, wherein the air inlet device is positioned at the bottom end of one side surface of the cabinet body, the air exhaust device is positioned at the top end of the other side surface of the cabinet body, and the air supply device is fixed on the inner wall of the cabinet body and is communicated with the air inlet device; air supply arrangement includes main blast pipe, a plurality of vice blast pipe and at least one air supply nozzle, main blast pipe is close to air inlet unit and sets up to be linked together with air inlet unit, and a plurality of vice blast pipes evenly set up on main blast pipe, and a plurality of vice blast pipe inboards all are provided with the internal thread, air supply nozzle threaded connection is on vice blast pipe. Through mutually supporting of main blast pipe and a plurality of vice blast pipes, solved current switch board can not accurate ventilation cooling's problem, improved the life of switch board, had better practicality.

Description

A power distribution cabinet with a ventilation mechanism in the shell

technical field

The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with a ventilation mechanism in the casing.

Background technique

Power distribution cabinet is assembled in closed or semiclosed metal safe by electrical wiring requirement by switchgear, measuring instrument, protective device and auxiliary equipment or on screen width, forms distribution cabinet.

There are usually a large number of electrical components installed in the power distribution cabinet. When in use, a large amount of heat is generated. If it cannot be ventilated in time, it will easily cause accidents. The existing ventilation device of the power distribution cabinet is simple in structure and poor in ventilation effect. Permanently adjust the ventilation conditions in the corresponding areas in the power distribution cabinet.

Utility model content

The technical problem to be solved by the utility model is to provide a power distribution cabinet with a ventilation mechanism in the shell, so as to solve the problem that the ventilation device of the existing power distribution cabinet has a simple structure, poor ventilation effect, and cannot adjust the corresponding area in the power distribution cabinet in a targeted manner. Problems with ventilation.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a power distribution cabinet with a ventilation mechanism in the shell, including a cabinet body, an air inlet device, an air supply device and an air exhaust device. The air inlet device is located at The bottom end of one side of the cabinet body, the exhaust device is located at the top of the other side of the cabinet body, the air supply device is fixed on the inner wall of the cabinet body, and communicates with the air intake device; the air supply device includes a main air supply device Air duct, multiple auxiliary air supply ducts and at least one air supply nozzle, the main air supply duct is arranged close to the air inlet device and communicated with the air inlet device, and the plurality of auxiliary air supply ducts are evenly arranged on the main air supply duct , internal threads are provided inside the plurality of auxiliary air supply pipes, and the air supply nozzles are threadedly connected to the auxiliary air supply pipes.

A further improvement of the utility model is that: the air supply device further includes at least one air blocking joint, and the air blocking joint is threadedly connected to the auxiliary air supply pipe.

The further improvement of the utility model is that: the air intake device includes an air intake box, an inspection door hinged on the air intake box, a moisture-proof interlayer, a dust-proof interlayer and an intake fan, the air intake box communicates with the cabinet body, the The moisture-proof interlayer is arranged near the inspection door, the inlet fan is arranged near the cabinet, and the dust-proof interlayer is located between the moisture-proof interlayer and the inlet fan.

A further improvement of the utility model is that: the inspection door is provided with a first insect-proof net, and the first insect-proof net communicates with the air inlet box.

A further improvement of the utility model is that: the exhaust device includes an exhaust box and at least one exhaust fan, the width of the upper top surface of the exhaust box is greater than the width of the lower bottom surface, and the exhaust fan is fixed on the cabinet.

A further improvement of the utility model is that: the exhaust box is provided with a second insect-proof net, and the second insect-proof net communicates with the exhaust box.

The further improvement of the utility model is that: the number of the exhaust fans is set to three.

Due to the adoption of the above technical scheme, the beneficial effects of the utility model are: the setting of the air inlet device reduces the possibility of water vapor and dust entering the power distribution cabinet, reduces the pressure of ventilation, and the main air supply pipe and multiple auxiliary air supply pipes The cooperation of the air duct realizes the function of adjusting the air volume in the corresponding area on demand, which has good practicability. Through the use of the exhaust device, the air exchange speed in the power distribution cabinet is accelerated and the service life of the power distribution cabinet is improved.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a power distribution cabinet with a ventilation mechanism in the housing proposed by the utility model;

Fig. 2 is a structural schematic diagram of an air supply device of a power distribution cabinet with a ventilation mechanism in the housing proposed by the utility model;

Fig. 3 is a structural schematic diagram of an exhaust device of a power distribution cabinet with a housing with a ventilation mechanism proposed by the utility model;

Fig. 4 is a structural schematic diagram of a top view of a power distribution cabinet with a housing provided with a ventilation mechanism proposed by the utility model.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Cabinet body; 2. Air inlet device; 3. Air supply device; 4. Exhaust device; 5. Main air supply pipe; 6. Secondary air supply pipe; 7. Air supply nozzle; 8. Air blocking joint; 9 , Air intake box; 10, Inspection door; 11, Moisture-proof interlayer; 12, Dust-proof interlayer; 13, Inlet fan; 14, First insect-proof net; 15, Exhaust air box; 16, Exhaust fan; 17, Second insect-proof net .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. 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.

The utility model provides the following examples to describe the utility model in detail:

Example 1

Referring to Figures 1-4, a power distribution cabinet with a ventilation mechanism in the housing includes a cabinet body 1, an air inlet device 2, an air supply device 3 and an air exhaust device 4, and the air inlet device 2 is located in the cabinet body 1. At the bottom of the left side, the exhaust device 4 is located at the top of the right side of the cabinet 1. This structure facilitates the timely discharge of the heat in the cabinet 1 and accelerates the air circulation speed in the cabinet 1. The air supply device 3 is fixed on the inner wall of the cabinet body 1 and communicated with the air inlet device 2;

The air supply device 3 includes a main air supply pipe 5, a plurality of auxiliary air supply pipes 6 and at least one air supply nozzle 7, and the main air supply pipe 5 is arranged near the air inlet device 2 and communicated with the air inlet device 2 , a plurality of secondary air supply pipes 6 are evenly arranged on the main air supply pipe 5 , internal threads are provided on the inner sides of the plurality of secondary air supply pipes 6 , and the air supply nozzle 7 is threadedly connected to the secondary air supply pipe 6 .

In the above structure, the column air supply pipe 5 is welded on the inner side wall of the cabinet body 1, the number of auxiliary air supply pipes 6 is set to 12, the auxiliary air supply pipe 6 is vertically connected with the main air supply pipe 5, and the air supply nozzle 7 is a The flat and long structure at the front end can effectively increase the air outlet area of the auxiliary air supply pipe 6, improve the coverage of heat dissipation and ventilation, and has good applicability.

At the same time, considering that some areas in the power distribution cabinet have little demand for heat dissipation and ventilation, in order to effectively utilize the wind energy provided in the air inlet device 2, the air supply device 3 also includes at least one air blocking joint 8, and the air blocking joint 8 is threaded Connected to the auxiliary air supply pipe 6, when in use, for areas with little ventilation demand, you can use the air blocking joint 8 to block the auxiliary air supply pipe 6 to increase the air volume in other auxiliary air supply pipes 6, which has better practicality.

Example 2

Referring to Figures 1-4, on the basis of Example 1, in order to improve the ventilation efficiency and reduce the interference of water vapor and dust in the air on the ventilation environment of the power distribution cabinet, the air intake device has been improved accordingly:

The air intake device 2 comprises an air intake box 9, an inspection door 10 hinged on the air intake box 9, a moisture-proof interlayer 11, a dust-proof interlayer 12 and an intake fan 13, and the air intake box 9 communicates with the cabinet body 1, so that The moisture-proof interlayer 11 is arranged close to the maintenance door 10, the inlet fan 13 is arranged close to the cabinet body 1, and the dust-proof interlayer 12 is located between the moisture-proof interlayer 11 and the inlet fan 13, wherein the moisture-proof interlayer 11 is provided with The material for absorbing water vapor can be replaced regularly, and the dust-proof interlayer 12 is provided with a dust-proof net, which can also be replaced regularly.

At the same time, in order to prevent mosquitoes and the like from entering the power distribution cabinet, the inspection door 10 is provided with a first insect-proof net 14 , and the first insect-proof net 14 communicates with the air inlet box 9 .

Example 3

Referring to Figures 1-4, on the basis of Embodiment 2, in order to further improve the ventilation efficiency, the exhaust device has been improved accordingly:

The exhaust device 4 includes an exhaust box 15 and at least one exhaust fan 16. The width of the upper top surface of the exhaust box 15 is greater than the width of the lower bottom surface. Such a structure forms a shape with a wide top and a narrow bottom to prevent rain. When rainwater enters the cabinet body 1 through the exhaust box 15, and then causes an accident, the exhaust fan 16 exhaust fan 16 number is set to three and is fixed on the cabinet body 1.

In order to prevent mosquitoes from entering the power distribution cabinet, the air exhaust box 15 is provided with a second insect-proof net 17 , and the second insect-proof net 17 communicates with the exhaust box 15 .

Finally, it should be noted that: the above-mentioned embodiments are only examples for clearly illustrating the utility model, and are by no means limiting the implementation manner. For those of ordinary skill in the art, on the basis of the above description, other changes or changes can also be made, and it is impossible to exhaustively list all the implementation modes here, and the obvious changes or changes derived therefrom Changes still belong to the protection scope of the present utility model.

Claims (7)

1. A power distribution cabinet with a shell provided with a ventilation mechanism is characterized by comprising a cabinet body (1), an air inlet device (2), an air supply device (3) and an air exhaust device (4), wherein the air inlet device (2) is positioned at the bottom end of one side face of the cabinet body (1), the air exhaust device (4) is positioned at the top end of the other side face of the cabinet body (1), and the air supply device (3) is fixed on the inner wall of the cabinet body (1) and communicated with the air inlet device (2); air supply arrangement (3) are including main blast pipe (5), a plurality of vice blast pipe (6) and at least one air supply nozzle (7), main blast pipe (5) are close to air inlet unit (2) and set up to be linked together with air inlet unit (2), and a plurality of vice blast pipe (6) evenly set up on main blast pipe (5), and a plurality of vice blast pipe (6) inboards all are provided with the internal thread, air supply nozzle (7) threaded connection is on vice blast pipe (6).

2. Switch board with housing having ventilation mechanism according to claim 1, characterized by that, the air supply device (3) further comprises at least one air blocking joint (8), the air blocking joint (8) is screwed on the secondary air supply pipe (6).

3. The switch board that casing has ventilation mechanism of claim 1, characterized in that, air inlet device (2) include air inlet box (9), articulate access door (10), dampproofing interlayer (11), dustproof interlayer (12) and air inlet fan (13) on air inlet box (9), air inlet box (9) are linked together with the cabinet body (1), dampproofing interlayer (11) are close to access door (10) and set up, air inlet fan (13) are close to the cabinet body (1) and set up, dustproof interlayer (12) are located between dampproofing interlayer (11) and air inlet fan (13).

4. The cabinet with the ventilation mechanism according to claim 3, wherein the access door (10) is provided with a first insect-proof net (14), and the first insect-proof net (14) is communicated with the air inlet box (9).

5. The cabinet with ventilation mechanism in the casing according to claim 1, characterized in that the exhaust device (4) comprises an exhaust box (15) and at least one exhaust fan (16), the width of the upper top surface of the exhaust box (15) is greater than the width of the lower bottom surface, and the exhaust fan (16) is fixed on the cabinet body (1).

6. The cabinet with a ventilation mechanism for a casing according to claim 5, characterized in that a second insect-proof net (17) is arranged on the air exhaust box (15), and the second insect-proof net (17) is communicated with the air exhaust box (15).

7. The cabinet with ventilation mechanism according to claim 5, characterized in that the number of the exhaust fans (16) is three.

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