CN206059960U - Outdoor self-powered protection against the tide cooling-down type power transformation box - Google Patents

Abstract

Outdoor self-powered moisture-proof cooling type transformer box, including outer box and inner box, there is a connecting block between the inner wall of the outer box and the outer wall of the inner box, the outer louver is arranged on the side of the outer box, and the side of the inner box There are inner louvers on the inside, and the inner wall of the inner box is provided with a ventilating dryer; the top of the outer box is equipped with a left support, a battery, a voltage stabilizer, a solar photovoltaic panel, the first exhaust fan and the second exhaust fan , the first exhaust fan is connected with a first exhaust pipe extending into the upper part of the inner box, and the second exhaust fan is connected with a second exhaust pipe extending into the lower part of the inner box. The utility model can use the electric energy generated by the solar photoelectric panel to cool down and dehumidify the inside of the transformer box, improve the safety of the transformer box operation, and prolong the service life of components. State grid power supply, fully save and utilize energy.

Description

Outdoor self-powered moisture-proof cooling type transformer box

technical field

The utility model belongs to the technical field of electric power, in particular to an outdoor self-powered, moisture-proof and cooling-type transformer box.

Background technique

For the power grid, safety and stability are the basic requirements for its normal operation. As an indispensable element in the power supply system, power supply equipment, its operating status directly affects the stability and safety of the power system. Once a failure occurs, it will affect the user's Normal power supply will cause huge economic losses, and in severe cases, it may cause vicious accidents such as grid collapse and large-scale power outages.

A substation is a box in a power system where the voltage and current of electric energy are transformed, concentrated and distributed. In order to ensure the quality of electric energy and the safety of equipment, voltage adjustment, power flow (flow direction and distribution of voltage, current and power in each node and branch in the power system) control and power transmission and distribution lines and Protection of major electrical equipment.

Since the substation box is generally installed outdoors, the components in the substation box have a large calorific value which will affect the service life of the components. In addition, due to the outdoors, especially in the south of our country, there is much rain and Moisture will cause a greater safety hazard in the transformer box.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides an outdoor self-powered, moisture-proof and cooling-type transformer box that is easy to control and can use the electric energy generated by solar photovoltaic panels to prevent moisture and cool the inside of the transformer box.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the outdoor self-powered moisture-proof and cooling type transformer box includes a base plate, and the base plate is provided with an outer box and an inner box in the shape of a cuboid, the outer box and the inner box The front side of the body is open, and a heat insulation cavity is formed between the inner wall of the outer box and the outer wall of the inner box. Several connecting blocks are evenly arranged between the inner wall of the box body and the outer wall of the inner box body, and a double-layer structure door is arranged on the front side of the outer box body, and the door is filled with heat-insulating materials. Sealing strips are provided between the edges of the sides, an outer louver is provided at the left middle part and right middle part of the outer box respectively, and an inner shutter is provided at the upper left part, the lower left part, the upper right part and the lower right part of the inner box body. Shutters, the inner wall of the inner box is equipped with a ventilating dryer at each inner louver; the top of the outer box is equipped with a left support, a right bracket, a battery, a voltage stabilizer, a solar photovoltaic panel, the first exhaust fan and the second Two exhaust fans, the exhaust port of the first exhaust fan is connected with the first exhaust pipe, the first exhaust pipe passes through the outer box and the inner box and extends into the upper part of the inner box, the second exhaust fan The mouth is connected with a second air exhaust pipe, and the second air exhaust pipe passes down through the outer box body and the inner box body and extends into the lower part of the inner box body along the rear side wall of the inner box body;

The left support is set on the left side of the top of the outer box, and the right bracket is set on the right side of the top of the outer box. The solar photovoltaic panel is arranged with a low left and a right high slope. The left side of the solar photovoltaic panel is set on the left support. The right side of the lower surface is fixedly connected to the top of the right bracket; the battery, the voltage stabilizer, the first exhaust fan and the second exhaust fan are all located under the solar photovoltaic panel; the solar photovoltaic panel is connected to the battery through the voltage stabilizer, and the battery is connected to the The first exhaust fan is connected with the second exhaust fan.

The inner wall of the bottom of the inner box is horizontally equipped with a lower air duct, both ends of the lower air duct are blocked, and a row of lower air inlets is evenly arranged on the upper part of the lower air duct along the length direction. connected.

The inner wall of the top of the inner box is horizontally equipped with an upper air duct, and the two ends of the upper air duct are blocked. The lower part of the upper air duct is evenly provided with a row of upper air inlets along the length direction, and the lower end of the first exhaust duct is connected to the upper part of the upper air duct. .

With the above technical solution, the components installed in the inner box are all existing mature technologies, and the specific installation position is not mentioned. In addition, an inverter can be installed in the inner box, and the solar photovoltaic panel converts light energy into electrical energy It is sent to the battery for storage through the voltage stabilizer. When the electric energy stored in the battery is full, the excess electric energy is sent to the national grid through the inverter. The storage battery in the utility model mainly supplies power for the first exhaust fan and the second exhaust fan.

The air-permeable dryer in the utility model comprises a frame in the shape of a cuboid, the area of the frame is larger than that of the inner louvers, the front side of the frame is open, and a net bag filled with quicklime is arranged inside the frame.

Because the utility model adopts the double-layer structure of the outer box body and the inner box body, and the double-layer structure of the box door, and fills the heat-insulating material in the box door, it plays a good heat-insulating effect like this. Under the irradiation, the temperature in the inner box will not increase too much. If the temperature of the inner box is high, the first exhaust fan and the second exhaust fan are turned on, and the first exhaust fan blows the hot air on the upper part of the inner box outward through the first exhaust pipe and the upper air inlet on the upper air distribution pipe. The second exhaust fan draws the hot air in the lower part of the inner box outward through the second exhaust pipe and the lower air inlet on the lower distribution air pipe, and the cold air outside the outer box is drawn by the outer louvers, the inner louvers and the The net bag of quicklime enters the inner box, when the cold air passes through the net bag filled with quicklime, the quicklime absorbs the moisture in the cold air, and the cold air entering the inner box is dry air, so that while cooling down, Play a good role in moisture. When the quicklime in the net bag absorbs a lot of moisture, you can take out the net bag from the frame every once in a while and replace it with new quicklime, which can achieve a good drying effect.

The inner box is equipped with four inner louvers, as well as the lower air duct at the bottom of the inner box and the upper air duct at the top of the inner box, so that the incoming cold air can flow more evenly inside the inner box and improve Cooling effect of air convection.

The voltage stabilizer smoothly inputs the electric energy generated by the low-light solar photovoltaic panels into the battery, and provides intelligent protection for the battery from overcharging, overcurrent, and short circuit. power supply to protect the battery. The battery is a lithium cobalt oxide battery with less self-discharge, superior discharge performance, long life and less heavy metal pollution.

In summary, the utility model has a novel design and a compact structure. The electric energy generated by the solar photovoltaic panel cools down and dehumidifies the interior of the transformer box, improves the safety of the transformer box operation, and prolongs the service life of components. At the same time, the inverter can also be used to supply power to the national grid, fully saving and utilizing energy.

Description of drawings

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

detailed description

As shown in Figure 1, the outdoor self-powered moisture-proof and cooling type transformer box of the present utility model includes a base plate 1 on which an outer box body 2 and an inner box body 3 in the shape of a cuboid are arranged, and the outer box body 2 and the inner box body The front sides of the box body 3 are all open, and a heat insulation cavity 4 is formed between the inner wall of the outer box body 2 and the outer wall of the inner box body 3, and a sealing partition is provided between the front side edge of the outer box body 2 and the inner box body 3. The sealing plate of the hot chamber 4 (not shown in the figure), and the inner wall of the outer box 2 and the outer wall of the inner box 3 are evenly provided with several connecting blocks 5 (the connecting blocks 5 play a role in strengthening and fixing the connection between the inner box 3 and the inner box 3). The function of the outer box 2), the front side of the outer box 2 is provided with a double-layer structure door (not shown in the figure), the door is filled with heat insulating material, the inner wall of the box door and the front side of the outer box 2 around There is a sealing strip (not shown in the figure) between the edges, an outer louver 6 is respectively provided at the left middle part and the right middle part of the outer box body 2, and the left upper part, the left lower part, the right upper part, the inner box body 3 The lower part of the right side is provided with an inner louver 7, and the inner wall of the inner box body 3 is provided with a ventilating dryer at each inner louver 7; , a voltage stabilizer 11, a solar photovoltaic panel 12, a first exhaust fan 13 and a second exhaust fan 14, the air outlet of the first exhaust fan 13 is connected with a first exhaust pipe 15, and the first exhaust pipe 15 passes downwards The outer box body 2 and the inner box body 3 extend into the inner box body 3 top, and the air outlet of the second exhaust fan 14 is connected with a second exhaust pipe 16, and the second exhaust pipe 16 passes through the outer box body 2 downwards. Stretch into the inner box body 3 bottoms along the rear side wall of the inner box body 3 after the inner box body 3 .

The left bearing 9 is arranged on the left side of the top of the outer box body 2, the right bracket 18 is arranged on the right side of the top of the outer box body 2, the solar photovoltaic panel 12 is arranged on a low left and right high slope, and the left side of the solar photovoltaic panel 12 is arranged on the left bearing 9, the right side of the lower surface of the solar photovoltaic panel 12 is fixedly connected to the top of the right bracket 18; the storage battery 10, the voltage stabilizer 11, the first exhaust fan 13 and the second exhaust fan 14 are all located below the solar photovoltaic panel 12; the solar photovoltaic panel 12 is connected to the storage battery 10 through a voltage stabilizer 11, and the storage battery 10 is connected to the first exhaust fan 13 and the second exhaust fan 14 respectively through power supply lines.

Inner box body 3 top inner walls are horizontally provided with upper distribution air duct 48, and upper distribution air duct 48 two ends are blocked, and upper distribution air duct 48 bottom is evenly provided with a row of upper air inlets 49 along the length direction, and the first exhaust duct 15 lower ends are connected to The upper part of the upper distribution duct 48 is connected.

The inner wall of the bottom of the inner box 3 is horizontally provided with a lower distribution duct 50, and the two ends of the lower distribution duct 50 are blocked. It communicates with the upper part of the lower distribution duct 50.

The air-permeable drier includes a rectangular parallelepiped frame 8 whose area is greater than that of the inner louver 7, the front side of the frame 8 is open, and a net pocket filled with quicklime 52 is provided in the frame 8.

The components installed in the inner box 3 are existing mature technologies, and their specific installation positions are not mentioned. In addition, an inverter can be installed in the inner box 3, and the solar photovoltaic panel 12 converts light energy into electrical energy The voltage stabilizer 11 is used to transfer the electric energy to the battery 10 for storage. When the electric energy stored in the battery 10 is full, the excess electric energy is sent to the national grid through the inverter. The storage battery 10 in the utility model mainly supplies power for the first exhaust fan 13 and the second exhaust fan 14 .

Because the utility model adopts the double-layer structure of the outer box body 2 and the inner box body 3, and the double-layer structure of the box door, and fills the heat insulating material in the box door, it plays a good heat insulation effect like this. , under sunlight, the temperature in the inner box 3 will not increase too much. If the temperature of the inner box body 3 is higher, the first exhaust fan 13 and the second exhaust fan 14 are opened, and the first exhaust fan 13 passes the inner box through the upper air inlet 49 on the first exhaust pipe 15 and the upper distribution air pipe 48. The hot air at the top of the body 3 is drawn outwards, and the second exhaust fan 14 draws the hot air at the bottom of the inner box body 3 outwards through the second air intake pipe 16 and the lower air inlet 51 on the lower cloth air duct 50, and the outer box body 2. The cold air outside enters the inner box body 3 through the outer louvers 6, the inner louvers 7 and the net bag filled with quicklime 52. When the cold air passes through the net bag filled with quicklime 52, the quicklime 52 absorbs the moisture in the cold air , the cold air that enters the inner box body 3 is all dry air, so that it has a good moisture-proof effect while cooling down. After the quicklime 52 in the net bag absorbs more water vapor, the net bag can be taken out from the frame 8 at regular intervals, and new quicklime 52 can be replaced, so that a good drying effect can be played.

The inner box body 3 is provided with four inner louvers 7, and the lower air distribution duct 50 located at the bottom of the inner box body 3 and the upper air distribution duct 48 at the top of the inner box body 3, so that the incoming cold air can be drawn into the inner box body 3 The interior flows more evenly, increasing the cooling effect of air convection.

The voltage stabilizer 11 smoothly inputs the electric energy generated by the low-light solar photovoltaic panel 12 into the battery 10, and provides intelligent protection for the battery 10 from overcharging, overcurrent, and short circuit. 11 will automatically cut off the power supply to the storage battery 10 to protect the storage battery 10. The storage battery 10 is a lithium cobalt oxide battery with less self-discharge, superior discharge performance, long service life and less heavy metal pollution.

This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model belong to the technology of the utility model. protection scope of the program.

Claims (3)

1. The outdoor self-powered moisture-proof and cooling type transformer box is characterized in that: it includes a base plate, and the base plate is provided with an outer box and an inner box in the shape of a cuboid, and the front sides of the outer box and the inner box are open. A heat insulation cavity is formed between the inner wall of the outer box and the outer wall of the inner box, and a sealing plate for sealing the heat insulation cavity is provided between the front edge of the outer box and the inner box, and the inner wall of the outer box and the inner box Several connecting blocks are evenly arranged between the outer walls, and a double-layer structure door is arranged on the front side of the outer box body, and the door is filled with heat-insulating materials, and there is a seal between the inner wall of the box door and the front side of the outer box body. The outer box body is provided with an outer louver at the left middle part and the right middle part respectively, and the inner box body is provided with an inner louver at the left upper part, the left lower part, the right upper part and the right lower part, and the inner wall of the inner box body is Each inner louver is equipped with a ventilating dryer; the top of the outer box is equipped with a left support, a right support, a battery, a voltage stabilizer, a solar photovoltaic panel, a first exhaust fan and a second exhaust fan, and the first exhaust fan The exhaust port of the exhaust fan is connected with the first exhaust pipe, the first exhaust pipe extends downwards through the outer box and the inner box and then extends to the upper part of the inner box, and the exhaust port of the second exhaust fan is connected with the second exhaust pipe , the second exhaust pipe goes down through the outer box and the inner box and extends into the lower part of the inner box along the rear side wall of the inner box; The left support is set on the left side of the top of the outer box, and the right bracket is set on the right side of the top of the outer box. The solar photovoltaic panel is arranged with a low left and a right high slope. The left side of the solar photovoltaic panel is set on the left support. The right side of the lower surface is fixedly connected to the top of the right bracket; the battery, the voltage stabilizer, the first exhaust fan and the second exhaust fan are all located under the solar photovoltaic panel; the solar photovoltaic panel is connected to the battery through the voltage stabilizer, and the battery is connected to the The first exhaust fan is connected with the second exhaust fan. 2. The outdoor self-powered moisture-proof and cooling type transformer box according to claim 1, characterized in that: the inner wall of the bottom of the inner box is horizontally provided with a lower air duct, both ends of the lower air duct are blocked, and the upper part of the lower air duct is A row of lower air inlets is uniformly arranged along the length direction, and the lower end of the second exhaust pipe communicates with the upper part of the lower distribution air pipe. 3. The outdoor self-powered moisture-proof and cooling type transformer box according to claim 2, characterized in that: the upper inner wall of the top of the inner box is horizontally provided with an upper air duct, both ends of the upper air duct are blocked, and the lower part of the upper air duct is A row of upper air inlets is uniformly arranged along the length direction, and the lower end of the first exhaust pipe communicates with the upper part of the upper distribution air pipe.