CN218102299U - A high-voltage switchgear for intelligent voltage transformer - Google Patents

Abstract

The utility model provides a high-voltage switchgear for an intelligent voltage transformer, which relates to the technical field of power equipment. The high-voltage switchgear for an intelligent voltage transformer comprises: a switchgear cabinet, and an end extension is installed on the bottom of the rear wall of the switchgear cabinet. into the heat dissipation box inside it, and one end of the heat dissipation box protruding into the switchgear cabinet is provided with a heat dissipation chamber, the opening of the heat dissipation chamber is installed with a protective net, and the bottom of the other end of the heat dissipation box is provided with a heat dissipation chamber. The warehouse is connected to the air inlet hole, the middle part of the bottom end of the heat dissipation warehouse is equipped with a partition, and the top of the side of the partition near the air inlet is installed with a filter screen for filtering the air, and the top of the partition is A drying assembly for drying the air is installed, and a cooling fan assembly for blowing air into the switchgear cabinet is installed on the other side of the partition, and the top of the outer wall of the switchgear cabinet is equipped with Exhaust components. The cooling effect and efficiency of the device are improved.

Description

A high-voltage switchgear for intelligent voltage transformer

technical field

The utility model relates to the technical field of electric power equipment, in particular to a high-voltage switchgear for an intelligent voltage transformer.

Background technique

High-voltage switchgear refers to indoor and outdoor AC switchgear operating in a power system with a voltage of 3kV and above and a frequency of 50Hz and below. It is mainly used for the control and protection of the power system. It can not only put some power equipment or lines into or out of operation according to the operation needs of the power grid, but also quickly remove the faulty part from the power grid when the power equipment or lines fail, so as to ensure that there is no fault in the power grid. The normal operation of the faulty part and the safety of equipment and operation and maintenance personnel. Therefore, high-voltage switchgear is a very important power transmission and distribution equipment. Its safe and reliable operation is of great significance to the safe and effective operation of the power system. High-voltage switchgear and voltage transformers are combined in a metal enclosure to form a A device with relatively complete usage functions.

In the Chinese patent with the authorized notification number CN214153747U, a metal-enclosed high-voltage switchgear is disclosed, which includes a main body, and a bird repelling device is provided on one side of the main body. Induction module, horn hole, the outer surface of the front end of the main body is provided with a rotating shaft, the outer surface of one side of the rotating shaft is provided with a cabinet door, and the outer surface of one side of the cabinet door is provided with a safety device, the safety device It includes a smoke sensing module, a stainless steel shell, an indicator light, and a warning sound hole. A handle is provided on the outer surface of the other side of the cabinet door, and a closed observation glass is provided on the upper outer surface of the handle.

However, the above-mentioned high-voltage switchgear also has the following defects. Although the above-mentioned high-voltage switchgear can improve the moisture-proof effect, increase the service life of the equipment and the safety of electric shock through metal sealing, after the metal is sealed, it only dissipates heat through the heat dissipation holes provided on the metal wall. Reduced thermal performance of the device.

Utility model content

The purpose of this utility model is to provide a high-voltage switchgear for intelligent voltage transformers, aiming at solving the problem that the high-voltage switchgear in the prior art is closed by metal and only dissipates heat through the heat dissipation holes on the metal wall, which reduces the heat dissipation of the equipment Performance issues.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the high-voltage switchgear for the intelligent voltage transformer includes: a switchgear cabinet, and a heat dissipation box with one end extending into the bottom of the rear wall of the switchgear cabinet is installed , one end of the heat dissipation box protruding into the switchgear cabinet is provided with a heat dissipation chamber, the opening of the heat dissipation chamber is equipped with a protective net, and the bottom of the other end of the heat dissipation box is provided with an air inlet connected to the heat dissipation chamber. A partition is installed in the middle of the bottom end of the heat dissipation chamber, and a filter screen for filtering the air is installed on the top of the side of the partition near the air inlet hole, and a filter for filtering the air is installed on the top of the partition. A dry drying assembly, the other side of the partition is installed with a heat dissipation fan assembly for blowing air into the switchgear cabinet, and the top of both sides of the outer wall of the switchgear cabinet is equipped with an exhaust assembly.

In order to make the utility model have the effect of improving the heat dissipation effect and efficiency of the equipment, the further technical solution of the utility model is that the drying assembly includes a drying box and a desiccant inside it, and the cooling fan assembly includes a fixed installation A heat dissipation motor on the partition, a heat dissipation fan is installed on the output shaft of the heat dissipation motor.

A further technical solution of the utility model is that the heat dissipation fan includes a connection turntable for installation on the output shaft of the heat dissipation motor, and the outer wall of the connection turntable is fixedly equipped with at least two fan blades uniformly distributed along its circumferential direction .

A further technical solution of the utility model is that there are at least two air inlet holes, and a plurality of air inlet holes are evenly distributed in a rectangular shape, and the air inlet holes are inclined holes, and one end connected with the cooling chamber is inclined up.

In order to enable the utility model to have the function of allowing the air inside the equipment to circulate, a further technical solution of the utility model is that the exhaust assembly includes dust-proof nets installed on the top of both sides of the inner wall of the switchgear cabinet and set in the switchgear Air outlet holes at the top of both sides of the outer wall of the cabinet, and rain shields for shielding the air outlet holes from rain are installed on both sides of the outer wall of the switchgear cabinet.

A further technical solution of the utility model is that there are at least two air outlet holes, and a plurality of air outlet holes are symmetrically and evenly distributed on the top of both sides of the outer wall of the switchgear cabinet, and the air outlet holes are inclined holes. And the end of the air outlet near the dustproof net is inclined upward.

A further technical solution of the present invention is that a cabinet door is installed on the front side of the outer wall of the switchgear cabinet, and a hinge is connected between one end of the cabinet door and the switchgear cabinet, and the hinge is a hinge .

A further technical solution of the present invention is that an observation window for observing the internal electrical components is installed on the top of the outer wall of the cabinet door, and the observation window is transparent glass.

The beneficial effects of the utility model are:

When the high-voltage switchgear dissipates heat, start the heat dissipation fan assembly, and the heat dissipation fan assembly blows the air inside the heat dissipation box into the switchgear cabinet through the protective net, so that a negative pressure is formed inside the heat dissipation box, and at this time, the outside air is sucked in through the air inlet hole Inside the cooling box, at the same time, the filter screen filters the dust in the inhaled air, and the drying component dries the inhaled air, so that the cooling box can continuously discharge dry and clean air into the switchgear cabinet, so that the air and the switchgear cabinet The electrical components inside the cabinet perform heat exchange, and the air after the heat exchange is discharged through the exhaust assembly. On the premise of ensuring the moisture-proof effect of the metal cabinet, increasing the service life of the equipment and the safety of electric shock, the heat dissipation effect and efficiency of the equipment are improved. It avoids that the internal temperature of the equipment is too high, thus causing damage to the equipment.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of the installation structure of the heat dissipation assembly of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the heat dissipation assembly of the present invention.

In the figure: 1. Switchgear cabinet; 2. Cooling box; 3. Cooling bin; 4. Protective net; 5. Partition; 6. Air inlet; 7. Filter; 8. Drying box; 9. Desiccant ; 10, heat dissipation motor; 11, heat dissipation fan; 12, dust-proof net; 13, air outlet; 14, rain shield; 15, cabinet door; 16, hinge;

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.

As shown in Figure 1-3, a high-voltage switchgear for intelligent voltage transformers, including: a switchgear cabinet 1, a heat sink 2 with one end extending into the bottom of the rear wall of the switchgear cabinet 1, and a heat sink 2 One end protruding into the switchgear cabinet body 1 is provided with a cooling chamber 3, the opening of the cooling chamber 3 is equipped with a protective net 4, and the bottom of the other end of the cooling box 2 is provided with an air inlet 6 communicating with the cooling chamber 3, A partition 5 is installed in the middle of the bottom of the heat dissipation chamber 3, and a filter screen 7 for filtering the air is installed on the top of the partition 5 near the air inlet 6, and a filter for drying the air is installed on the top of the partition 5. Drying assembly, the other side of the partition 5 is installed with a heat dissipation fan assembly for blowing air into the switchgear cabinet 1, and the top of both sides of the outer wall of the switchgear cabinet 1 is equipped with an exhaust assembly.

In this specific embodiment, when the high-voltage switchgear dissipates heat, the heat dissipation fan assembly is started, and the heat dissipation fan assembly blows the air inside the heat dissipation box 2 into the inside of the switchgear cabinet 1 through the protective net 4, so that a negative pressure is formed inside the heat dissipation box 2 At this time, the outside air is sucked into the heat dissipation box 2 through the air inlet 6, and the filter screen 7 filters the dust in the sucked air at the same time, and the drying component dries the sucked air, so that the heat dissipation box 2 can continuously dry and clean the air. The air is discharged into the switchgear cabinet 1, so that the air can exchange heat with the electrical components inside the switchgear cabinet 1, and the air after heat exchange is discharged through the exhaust assembly, which can ensure the moisture-proof effect of the metal cabinet and increase the use of equipment. Under the premise of long life and electric shock safety, the heat dissipation effect and efficiency of the equipment are improved, and the internal temperature of the equipment is avoided from being too high, which will cause damage to the equipment.

Specifically, the drying assembly includes a drying box 8 and a desiccant 9 inside it, and the heat dissipation fan assembly includes a heat dissipation motor 10 fixedly installed on the partition 5 , and a heat dissipation fan 11 is installed on the output shaft of the heat dissipation motor 10 .

Further, the heat dissipation fan 11 includes a connection turntable for being installed on the output shaft of the heat dissipation motor 10, the outer wall of the connection turntable is fixedly installed with at least two fan blades uniformly distributed along its circumferential direction, which can speed up the air circulation inside the device, The cooling effect and efficiency of the device are improved.

Further, there are at least two air inlet holes 6, and the plurality of air inlet holes 6 are evenly distributed in a rectangular shape. The air inlet holes 6 are inclined holes, and the end connected with the heat dissipation chamber 3 is inclined upward. The inclined setting of the air inlet holes 6 can Try to prevent rainwater from reaching inside the device.

Specifically, the exhaust assembly includes a dust-proof net 12 installed on the top of both sides of the inner wall of the switchgear cabinet 1 and an air outlet 13 opened on the top of both sides of the outer wall of the switchgear cabinet 1, and the two sides of the outer wall of the switchgear cabinet 1 are installed There is a rain shield 14 for shielding the wind outlet 13 from rain.

Further, there are at least two air outlet holes 13, and a plurality of air outlet holes 13 are symmetrically distributed on the top of both sides of the outer wall of the switchgear cabinet 1, and the air outlet holes 13 are inclined holes, and the air outlet holes 13 are close to the dustproof net One end of 12 is inclined upward, which can discharge the high-temperature gas inside the device, so that the air inside the device can be circulated, ensuring the heat dissipation effect of the device, and at the same time preventing external dust and rainwater from penetrating into the device.

Specifically, a cabinet door 15 is installed on the front side of the outer wall of the switchgear cabinet 1, and a hinge 16 is connected between one end of the cabinet door 15 and the switchgear cabinet 1, and the hinge 16 is a hinge.

Further, an observation window 17 for observing the internal electrical components is installed on the top of the outer wall of the cabinet door 15, and the observation window 17 is transparent glass.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated Ground connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A high-voltage switchgear for an intelligent voltage transformer, comprising: a switchgear cabinet (1), characterized in that, the bottom of the rear wall of the switchgear cabinet (1) is equipped with a cooling box ( 2), one end of the heat dissipation box (2) protruding into the switchgear cabinet (1) is provided with a heat dissipation chamber (3), and a protective net (4) is installed at the opening of the heat dissipation chamber (3). The bottom of the other end of the cooling box (2) is provided with an air inlet (6) connected to the cooling bin (3), and a partition (5) is installed in the middle of the bottom of the cooling bin (3). A filter screen (7) for filtering the air is installed on the top of the plate (5) near the air inlet (6), and a drying assembly for drying the air is installed on the top of the partition (5), so The other side of the partition (5) is installed with a heat dissipation fan assembly for blowing air into the inside of the switchgear cabinet (1), and the top of both sides of the outer wall of the switchgear cabinet (1) is equipped with an exhaust assembly . 2. The high-voltage switchgear for intelligent voltage transformer according to claim 1, characterized in that, the drying assembly includes a drying box (8) and a desiccant (9) inside it, and the cooling fan assembly includes a fixed installation On the cooling motor (10) on the dividing plate (5), a cooling fan (11) is installed on the output shaft of the cooling motor (10). 3. The high-voltage switchgear for intelligent voltage transformer according to claim 2, characterized in that, the heat dissipation fan (11) includes a connection turntable for being installed on the output shaft of the heat dissipation motor (10), and the connection turntable At least two fan blades uniformly distributed along its circumferential direction are fixedly installed on the outer wall. 4. The high-voltage switchgear for intelligent voltage transformer according to claim 1, characterized in that, there are at least two air inlet holes (6), and a plurality of air inlet holes (6) are evenly distributed in a rectangular shape, The air inlet hole (6) is an inclined hole, and one end communicating with the heat dissipation chamber (3) is inclined upward. 5. The high-voltage switchgear for intelligent voltage transformer according to claim 1, characterized in that, the exhaust assembly includes dust-proof nets (12) installed on the top of both sides of the inner wall of the switchgear cabinet (1) and set in The air outlet holes (13) on the top of both sides of the outer wall of the switchgear cabinet body (1), and the two sides of the outer wall of the switchgear cabinet body (1) are installed with rain shields (14) for covering the air outlet holes (13) from rain ). 6. The high-voltage switchgear for intelligent voltage transformer according to claim 5, characterized in that there are at least two air outlet holes (13), and a plurality of said air outlet holes (13) are symmetrically and evenly distributed on the switchgear On the top of both sides of the outer wall of the cabinet body (1), the air outlet hole (13) is an inclined hole, and the end of the air outlet hole (13) close to the dustproof net (12) is inclined upward. 7. The high-voltage switchgear for intelligent voltage transformer according to any one of claims 1-6, wherein a cabinet door (15) is installed on the front side of the outer wall of the switchgear cabinet (1), and the cabinet A hinge (16) is connected between one end of the door (15) and the switchgear cabinet (1), and the hinge (16) is a hinge. 8. The high-voltage switchgear for intelligent voltage transformer according to claim 7, characterized in that, the top of the outer wall of the cabinet door (15) is equipped with an observation window (17) for observing its internal electrical components, the Observation window (17) is transparent glass.

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