CN211351426U - Protection mechanism for box-type substation - Google Patents

Abstract

The utility model relates to the technical field of box-type substations, and discloses a protection mechanism for box-type substations, comprising a base, a cabinet body is fixedly installed on the top of the base, and a top frame is fixedly installed on the top of the cabinet body, Fans are fixedly installed at the bottoms of both sides of the inner cavity of the cabinet, exhaust ports are opened at the bottoms of both sides of the cabinet, air inlets are opened at the tops of both sides of the cabinet, and A first protective shell is fixedly installed on the top. The protective mechanism for the box-type substation is provided with a fan, a first protective shell and a second protective shell. Since the ventilation openings of the first protective shell and the second protective shell are designed vertically downward, the external environment is effectively avoided. The rainwater enters the inside of the first protective shell or the second protective shell, and due to the design of the fan, the heat inside the cabinet will be discharged, thereby achieving cooling and heat dissipation inside the cabinet, thus increasing the practicability of the protective mechanism .

Description

A kind of protective mechanism for box-type substation

technical field

The utility model relates to the technical field of box-type substations, in particular to a protection mechanism for box-type substations.

Background technique

Box-type substation is also called prefabricated substation or prefabricated substation. It is a kind of high-voltage switchgear, distribution transformer and low-voltage power distribution device, which are prefabricated indoors and outdoors according to a certain wiring scheme. Power distribution equipment, that is, the organic combination of transformer step-down, low-voltage power distribution and other functions.

At present, in the actual use process of the existing box-type power distribution station, there are generally multiple dust-proof and heat-dissipating net structures outside to discharge the heat generated by the operation of the internal electronic equipment. However, when the box-type power distribution station is in rainy weather When there is no relevant protective mechanism, it is easy to cause external rainwater and humid air to enter the interior of the box-type power distribution station through the dust-proof and heat-dissipating net, thereby causing damage to the internal electronic equipment. its improved.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a protection mechanism for a box-type substation, which has the advantages of avoiding rainwater intrusion and reducing air humidity, and solves the problem that the existing box-type substation is generally used in the actual use process. There are multiple dust-proof and heat-dissipating net structures on the outside to discharge the heat generated by the operation of the internal electronic equipment. However, when the box-type substation is in rainy weather, because it does not have relevant protective mechanisms, it is easy to cause external rainwater. and humid air enter the box-type power distribution station through the dust-proof and heat-dissipating net, thereby causing damage to its internal electronic equipment.

The utility model provides the following technical solutions: a protective mechanism for a box-type substation, comprising a base, a cabinet body is fixedly installed on the top of the base, a top frame is fixedly installed on the top of the cabinet body, and two sides of the cabinet cavity are fixedly installed. The bottom of the cabinet is fixedly installed with a fan, the bottoms of both sides of the cabinet are provided with exhaust ports, the tops of both sides of the cabinet are provided with air inlets, and the tops of both sides of the cabinet are fixedly installed with A protective shell, the bottoms of both sides of the cabinet are fixedly installed with a second protective shell, the bottom of the inner cavity of the first protective shell is fixedly installed with a first dustproof and ventilation net, and the inner cavity of the second protective shell A second dust-proof ventilation net is fixedly installed at the bottom, a protection box is fixedly installed at the top of the back of the cabinet, a single-chip microcomputer is fixedly installed inside the protection box, and a control unit located on the right side of the single-chip microcomputer is fixedly installed inside the protection box. device.

Preferably, a temperature sensor is fixedly installed on the top of the inner cavity of the cabinet, the number of the temperature sensors is two, and the two temperature sensors are symmetrical with respect to the center of the cabinet body.

Preferably, a movable door is hinged on the front of the cabinet body, and outer frames are fixedly installed on the tops of both sides of the cabinet inner cavity.

Preferably, a dehumidifying sponge pad is fixedly installed inside the outer frame, and a middle cavity is opened inside the dehumidifying sponge pad.

Preferably, the left side of the dehumidifying sponge pad is provided with a first vent, and a second vent is provided between the right side of the dehumidifying sponge pad and the right side of the outer frame.

Preferably, the diameter of the first ventilation port is equal to the diameter of the second ventilation port, and the first ventilation port and the second ventilation port are staggered.

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

1. The protective mechanism for the box-type substation is provided with a fan, a first protective shell and a second protective shell. Since the ventilation openings of the first protective shell and the second protective shell are designed to be vertically downward, it can effectively avoid The outside rainwater can enter the inside of the first protective shell or the second protective shell, and due to the design of the fan, the heat inside the cabinet will be discharged, thereby cooling the inside of the cabinet and dissipating heat, thus increasing the protection mechanism. practicality.

2. The protective mechanism for the box-type substation is provided with a dehumidifying sponge pad, a first air port and a second air port. When the outside air enters the first air port, the middle cavity and the second air port through the air inlet in turn. When inside, because the dehumidifying sponge pad has the characteristics of moisture absorption, the humidity of the outside air is effectively reduced, and because the first vent and the second vent are staggered, the outside air can be mixed with the dehumidifying sponge. The sufficient contact of the pad improves the dehumidification effect on the outside air and avoids damage to the electronic equipment inside the cabinet, thus further increasing the practicability of the protection mechanism.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model;

Fig. 3 is the back view structure schematic diagram of the utility model;

4 is a schematic diagram of the internal structure of the outer frame of the present invention.

In the figure: 1. Base; 2. Cabinet; 3. Top frame; 4. Fan; 5. Exhaust port; 6. Air inlet; 7. First protective shell; 8. Second protective shell; 9. No. 1. Dust-proof ventilation net; 10. Second dust-proof ventilation net; 11. Protection box; 12. Microcontroller; 13. Controller; 14. Temperature sensor; 15. Active door; 16. Outer frame; 17. Dehumidification sponge pad; 18, the middle cavity; 19, the first vent; 20, the second vent.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-4, a protective mechanism for a box-type substation, including a base 1, a cabinet 2 is fixedly installed on the top of the base 1, a movable door 15 is hinged on the front of the cabinet 2, and two sides of the inner cavity of the cabinet 2 are The top is fixedly installed with an outer frame 16, the inside of the outer frame 16 is fixedly installed with a dehumidifying sponge pad 17, and the left side of the dehumidifying sponge pad 17 is provided with a first vent 19, the diameter of the first vent 19 and the second vent 20 are equal in diameter, and the first vent 19 and the second vent 20 are staggered, and a second vent 20 is opened between the right side of the dehumidifying sponge pad 17 and the right side of the outer frame 16, and the There is a middle cavity 18 inside, and a temperature sensor 14 is fixedly installed on the top of the inner cavity of the cabinet 2. The temperature sensor 14 is an existing device, and the model of the temperature sensor 14 is suitable for the PT100 series. The output end of the temperature sensor 14 is connected to the single-chip microcomputer through wires The input end of 12 is electrically connected, the number of temperature sensors 14 is two, the two temperature sensors 14 are symmetrical about the center of the cabinet 2, the top of the cabinet 2 is fixedly installed with the top frame 3, and the bottom of the two sides of the inner cavity of the cabinet 2 is fixed. Fan 4 is fixedly installed. Fan 4 is an existing device, and the model of fan 4 is suitable for CZR-LY60 series. There are exhaust ports 5 on the bottom of both sides of cabinet 2, and the top on both sides of cabinet 2. There is an air inlet 6, a first protective shell 7 is fixedly installed on the top of both sides of the cabinet body 2, a second protective shell 8 is fixedly installed on the bottom of both sides of the cabinet body 2, and the bottom of the inner cavity of the first protective shell 7 is fixedly installed There is a first dust-proof ventilation net 9, a second dust-proof ventilation net 10 is fixedly installed at the bottom of the inner cavity of the second protective shell 8, a protection box 11 is fixedly installed on the top of the back of the cabinet 2, and a protective box 11 is fixedly installed inside the protection box 11. The single-chip microcomputer 12 is an existing device, and the model of the single-chip microcomputer 12 is suitable for the MSP430 series. The output terminal of the single-chip microcomputer 12 is electrically connected to the input terminal of the controller 13 through wires. The controller 13 on the side is an existing device, and the model of the controller 13 is suitable for the SR2-B201BD series. The output end of the controller 13 is electrically connected to the input end of the fan 4 through wires.

During operation, due to the operation of the temperature sensor 14, the temperature inside the cabinet 2 will be detected, and the signal will be transmitted to the microcontroller 12, and the microcontroller 12 will compare it with the set value. If the temperature inside the cabinet 2 When it is greater than the set value, the single-chip 12 will send a signal to the controller 13, and the controller 13 will control the operation of the fan 4, and the operation of the fan 4 will make the gas inside the cabinet 2 pass through the exhaust port 5 from the first. The two dust-proof and ventilating nets 10 are discharged, thereby reducing the temperature inside the cabinet 2, and the outside air will enter the interior of the first protective shell 7 through the first dust-proof and ventilating net 9, and then pass through the air inlet 6 in turn. , the first vent 19, the middle cavity 18 and the second vent 20 enter into the interior of the cabinet 2, and when the outside air circulates in the first vent 19, the middle cavity 18 and the second vent 20, it will It will be fully contacted with the dehumidifying sponge pad 17, thereby reducing the humidity of the outside air, and because the ventilation openings of the first protective shell 7 and the second protective shell 8 are designed vertically downward, the rainwater from the outside cannot fall into the first protective shell 7 and the second protective shell 8. The inside of a protective case 7 and a second protective case 8 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a box-type substation uses safeguard mechanism, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a cabinet body (2), the top of the cabinet body (2) is fixedly provided with a top frame (3), the bottoms of two sides of an inner cavity of the cabinet body (2) are both fixedly provided with fans (4), the bottoms of two sides of the cabinet body (2) are both provided with exhaust ports (5), the tops of two sides of the cabinet body (2) are both provided with air inlets (6), the tops of two sides of the cabinet body (2) are both fixedly provided with first protective shells (7), the bottoms of two sides of the cabinet body (2) are both fixedly provided with second protective shells (8), the bottom of the inner cavity of the first protective shell (7) is fixedly provided with a first dustproof breathable net (9), the bottom of the inner cavity of the second protective shell (8) is fixedly provided with a second dustproof breathable net (10), the top of the back of the cabinet body (2) is fixedly provided with a protection box (11), the interior of the, and a controller (13) positioned on the right side of the single chip microcomputer (12) is fixedly arranged in the protection box (11).

2. The protection mechanism for the box-type substation according to claim 1, characterized in that: the top fixed mounting of the cabinet body (2) inner chamber has temperature sensor (14), the quantity of temperature sensor (14) is two, two temperature sensor (14) is about cabinet body (2) central symmetry.

3. The protection mechanism for the box-type substation according to claim 1, characterized in that: the front of the cabinet body (2) is hinged with a movable door (15), and outer frames (16) are fixedly mounted at the tops of two sides of the inner cavity of the cabinet body (2).

4. The protection mechanism for the box-type substation according to claim 3, characterized in that: the inner part of the outer frame (16) is fixedly provided with a dehumidifying spongy cushion (17), and the dehumidifying spongy cushion (17) is provided with a middle cavity (18).

5. The protection mechanism for the box-type substation according to claim 4, characterized in that: a first vent hole (19) is formed in the left side of the dehumidifying spongy cushion (17), and a second vent hole (20) is formed between the right side of the dehumidifying spongy cushion (17) and the right side of the outer frame (16).

6. The protection mechanism for the box-type substation according to claim 5, characterized in that: the diameter of the first vent (19) is equal to that of the second vent (20), and the first vent (19) and the second vent (20) are staggered.

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