CN206059979U - Outdoor cabinet type transformer station ventilating and thermal insulating structural formula casing - Google Patents

Abstract

The outdoor box-type substation has a ventilation and heat preservation structure box, including an outer box and an inner box. There is a connecting block between the inner wall of the outer box and the outer wall of the inner box, and a double-layer structure door is provided on the front side of the outer box. There are outer shutters on the side of the outer box, inner shutters on the side of the inner box, and an air dryer on the inner wall of the inner box; the top of the outer box is equipped with a protective box, the first exhaust fan and the second exhaust fan. Two exhaust fans, the first exhaust fan and the second exhaust fan are located in the protective box, the air outlet pipes of the first exhaust fan and the second exhaust fan all extend out of the protective box, and the first exhaust fan is connected to the upper part of the inner box The first exhaust pipe, the second exhaust fan is connected with the second exhaust pipe extending into the lower part of the inner box. The utility model has a novel design and a compact structure, which cools and dehumidifies the inside of the transformer box, improves the safety of operation, fully prolongs the service life of components in the transformer box, and reduces the operating cost of electricity.

Description

Outdoor box-type substation ventilation and heat preservation structural box

technical field

The utility model belongs to the technical field of electric power, in particular to an outdoor box-type substation ventilation and heat preservation structural box body.

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.

The outdoor box-type substation is the box of the place where the voltage and current of electric energy are transformed, concentrated and distributed in the power system. 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 transmission and distribution line control are also required in the outdoor box-type substation. and protection of major electrical equipment.

Since the outdoor box-type substation is generally installed outdoors, the components in the outdoor box-type substation have a large calorific value, which will affect the service life of the components. , the air is humid, which will cause a greater safety hazard in the outdoor box-type substation.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides an outdoor box-type substation ventilation and heat preservation structural box body with simple structure, easy manipulation, high degree of automation, and ability to prevent moisture and cool down inside the substation.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the outdoor box-type substation ventilation and heat preservation structural box includes a bottom plate, and the bottom plate is provided with an outer box and an inner box in the shape of a cuboid, and 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 an air dryer at each inner louver; the top of the outer box is provided with a protective box, a first exhaust fan and a second exhaust fan, the first exhaust fan and the second exhaust fan are located In the protective box, the air outlet pipes of the first exhaust fan and the second exhaust fan extend out of the protective box; the air outlet of the first exhaust fan is connected with the first exhaust pipe, and the first exhaust pipe passes through the outer box downwards and the inner box extend into the upper part of the inner box, and the air outlet of the second exhaust fan is connected with a second exhaust pipe, and the second exhaust pipe passes through the outer box and the back of the inner box along the inner box. The rear side wall extends into the lower part of the inner box;

The left side of the box door is horizontally rotated on the left side of the front part of the outer box body through the hinge. There is an upper fixing block on the front side of the inner wall on the top of the inner box body. The top of the upper jack and the lower fixed block are provided with a lower jack, and the box door is provided with a plug-in locking mechanism that is plugged and matched with the upper jack and the lower jack respectively.

The plug-in locking mechanism includes an upper fixed guide sleeve, a lower fixed guide sleeve, an upper insertion rod and a lower insertion rod. The upper fixed guide sleeve, the lower fixed guide sleeve, the upper insertion rod and the lower insertion rod are all arranged vertically. It is fixed on the upper part of the inner wall of the box door, and the lower fixed guide sleeve is fixed on the lower part of the inner wall of the box door. The mounting frame is connected with a rotating shaft rotating along the front and rear direction on the mounting frame. A gear is fixed on the rotating shaft. The front end of the rotating shaft passes through the box door and is connected with a handle. The upper part of the upper part is provided with a lower rack meshed with the gear. The upper rack is parallel to the lower rack and is located on the opposite sides of the gear. The lower jack corresponds up and down.

There are two upper fixed guide sleeves, one upper fixed guide sleeve is set on the upper part of the upper insertion rod, the other upper fixed guide sleeve is set on the lower part of the upper insertion rod and is located above the gear; there are two lower fixed guide sleeves, one lower fixed guide sleeve The guide sleeve is sleeved on the lower part of the lower insertion rod, and the other lower fixed guide sleeve is sleeved on the upper part of the lower insertion rod and is located below the gear.

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. .

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.

Adopting the above technical proposal, the air dryer includes a rectangular parallelepiped frame, the area of which is larger than that of the inner louvers, the front side of the frame is open, and the frame is provided with a net bag filled with quicklime.

Since 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 has a good heat insulation effect, and in the summer of high temperature, the sunlight 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 from the outer louvers, inner louvers and filled with 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 more water vapor, the net bag can be taken out from the frame every once in a while and replaced 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 protective box plays the role of sheltering the first exhaust fan and the second exhaust fan from wind and rain. The first exhaust fan and the second exhaust fan are powered by the power supply in the casing.

The plug-in locking mechanism can be used to quickly open or close the door, with reliable connection and convenient operation. The specific operation process: close the box door, push the box door hard, so that the rubber sealing strip is crimped with the front surface of the inner box body and the outer box body; then rotate the handle, and the rotating shaft drives the gear to rotate. The lower rack is meshed and driven, so that the upper rack drives the upper inserting rod to move upward along the upper fixed guide sleeve, the upper end of the upper inserting rod extends upwards into the upper socket on the upper fixing block, and the lower rack drives the lower inserting rod to move upward along the upper fixed guide sleeve. The fixed guide sleeve moves downward, and the lower end of the lower inserting rod extends into the lower socket. Since the upper inserting rod and the lower inserting rod are respectively inserted in the upper and lower sockets, the door is locked. To open the door, simply turn the handle in the opposite direction.

The arrangement of two upper fixed guide bushes and two lower fixed guide bushes can ensure that the upper insertion rod and the lower insertion rod move in the vertical direction and ensure good meshing with the gears.

To sum up, the utility model has a novel design and a compact structure, which can cool and dehumidify the inside of the transformer box, improve the safety of operation, fully prolong the service life of the components in the transformer box, and reduce the operating cost of electricity. The utility model also provides a structure for opening and locking the box door, which is convenient for operation and has good sealing effect.

Description of drawings

Fig. 1 is the structural representation that the utility model removes box door;

Fig. 2 is the back view of box door;

Figure 3 is a front view of the box door.

detailed description

As shown in Figures 1-3, the outdoor box-type substation ventilation and heat preservation structural box of the present utility model includes a bottom plate 1, and the bottom plate 1 is provided with an outer box 2 and an inner box 3 in the shape of a cuboid, and the outer box 2 and the front side of the inner box 3 are all open, and a heat-insulating chamber 4 is formed between the inner wall of the outer box 2 and the outer wall of the inner box 3, and the front side edge of the outer box 2 and the inner box 3 is provided with a For the sealing plate (not shown in the figure) that seals the heat insulation cavity 4, several connecting blocks 5 are uniformly arranged between the inner wall of the outer box body 2 and the outer wall of the inner box body 3 (the connecting blocks 5 serve to strengthen and fix the connection of the inner box body 3 and outer box body 2), the front side of the outer box body 2 is provided with a double-layer structure door 31, the box door 31 is filled with heat insulating material, the inner wall of the box door 31 and the front side of the outer box body 2 are surrounded A sealing strip 32 is arranged between them, an outer louver 6 is provided at the middle left side and the middle right side of the outer box body 2 respectively, and an upper left side, lower left side, upper right side, and lower right side of the inner box body 3 are respectively provided with a shutter 6. Inner louvers 7, the inner wall of the inner box body 3 is provided with an air dryer at each inner louver 7; the top of the outer box body 2 is provided with a protective box 9, a first exhaust fan 13 and a second exhaust fan 14, the first Blower 13 and the second blower 14 are located in the protective box 9, and the outlet pipes of the first blower 13 and the second blower 14 all stretch out the protective box 9; Air duct 15, the first exhaust duct 15 passes through the outer box body 2 and the inner box body 3 downwards and stretches into the upper part of the inner box body 3, and the exhaust port of the second exhaust fan 14 is connected with a second exhaust duct 16, The second exhaust pipe 16 passes through the outer box body 2 and the inner box body 3 downwards and extends into the lower part of the inner box body 3 along the rear side wall of the inner box body 3 .

The left side of the box door 31 is horizontally rotated on the left side of the front part of the outer box body 2 by the hinge 68, and the front side of the top inner wall of the inner box body 3 is provided with an upper fixed block 33, and the front side of the inner box body 3 bottom inner wall is provided with a lower fixed block 34 , the bottom of the upper fixed block 33 is provided with an upper jack 35, the top of the lower fixed block 34 is provided with a lower jack 36, and the door 31 is provided with plug-in locks that are respectively connected with the upper jack 35 and the lower jack 36. door mechanism.

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 dryer includes a rectangular parallelepiped frame 8 whose area is greater than that of the inner louvers 7 , the front side of the frame 8 is open, and a net bag filled with quicklime 52 is provided in the frame 8 .

The plug-in locking mechanism comprises an upper fixed guide sleeve 57, a lower fixed guide sleeve 58, an upper insertion rod 59 and a lower insertion rod 60, an upper fixed guide sleeve 57, a lower fixed guide sleeve 58, an upper insertion rod 59 and a lower insertion rod 60 All are arranged vertically, and the upper fixed guide sleeve 57 is fixedly arranged on the upper part of the inner wall of the box door 31, and the lower fixed guide sleeve 58 is fixedly arranged on the lower part of the inner wall of the box door 31. Slidingly inserted in the lower fixed guide sleeve 58, a mounting frame 61 is provided on the inner wall of the box door 31, and a rotating shaft 62 is connected to the mounting frame 61 to rotate along the front and rear directions. The rotating shaft 62 is fixedly provided with a gear 63, and the front end of the rotating shaft 62 passes through the box door. 31 and is connected with a handle 64, the bottom of the upper insertion rod 59 is provided with an upper rack 65 meshing with the gear 63, the upper part of the lower insertion rod 60 is provided with a lower rack 66 meshing with the gear 63, the upper rack 65 and the lower gear Bar 66 is parallel and is positioned at the opposite two sides of gear 63;

There are two upper fixed guide sleeves 57, one upper fixed guide sleeve 57 is set on the upper part of the upper insertion rod 59, the other upper fixed guide sleeve 57 is sleeved on the lower part of the upper insertion rod 59 and is located above the gear 63; the lower fixed guide sleeve 58 is provided with two, a lower fixed guide sleeve 58 is sleeved on the lower part of the lower insertion rod 60 , and the other lower fixed guide sleeve 58 is sleeved on the upper part of the lower insertion rod 60 and is located below the gear 63 .

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 31, and fills the heat insulating material in the box door 31, it plays a good heat insulation effect like this. In summer, under sunlight, the temperature in the inner box body 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 protective box 9 plays the role of shielding the first exhaust fan 13 and the second exhaust fan 14 from wind and rain. The first exhaust fan 13 and the second exhaust fan 14 are powered by the power supply in the casing.

The door 31 can be quickly opened or closed by manipulating the plug-in locking mechanism, which is reliable in connection and easy to operate. The specific operation process: close the box door 31, push the box door 31 hard, so that the rubber sealing strip 32 is crimped with the front surface of the inner box body 3 and the outer box body 2; then the handle 64 is rotated, and the rotating shaft 62 drives the gear 63 to rotate. The two sides of 63 are respectively meshed with the upper rack 65 and the lower rack 66 for transmission, so that the upper rack 65 drives the upper insertion rod 59 to move upward along the upper fixed guide sleeve 57, and the upper end of the upper insertion rod 59 extends upwards into the upper fixed block 33 In the upper jack 35 on the top, the lower rack 66 drives the lower inserting rod 60 to move downward along the lower fixed guide sleeve 58, and the lower end of the lower inserting rod 60 stretches into the lower jack 36. Since the upper inserting rod 59 and the lower inserting The rods 60 are respectively inserted in the upper socket 35 and the lower socket 36, thereby locking the door 31. When the door 31 needs to be opened, only the handle 64 needs to be rotated in the opposite direction. In addition, a door lock that locks the handle 64 is also required so that the handle 64 cannot be rotated after the door is locked.

Setting two upper fixing guide sleeves 57 and two lower fixing guide sleeves 58 can ensure that the upper insertion rod 59 and the lower insertion rod 60 move in the vertical direction and ensure good meshing with the gear 63 .

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 (5)

1. Outdoor box-type substation ventilation and heat preservation structural box, which is characterized in that: it includes a bottom plate, and the bottom 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 provided with an air dryer; the top of the outer box is provided with a protective box, a first exhaust fan and a second exhaust fan, the first exhaust fan and the second exhaust fan are located in the protective box, and the first exhaust fan The air outlet pipes of the second exhaust fan and the second exhaust fan all stretch out of the protective box; the air outlet of the first exhaust fan is connected with the first exhaust pipe, and the first exhaust pipe passes through the outer box and the inner box downwards and extends into the On the upper part of the inner box, the air outlet of the second exhaust fan is connected with a second air exhaust pipe, and the second air exhaust pipe passes down through the outer box and the inner box and extends into the inner box along the rear side wall of the inner box. lower body; The left side of the box door is horizontally rotated on the left side of the front part of the outer box body through the hinge. There is an upper fixing block on the front side of the inner wall on the top of the inner box body. The top of the upper jack and the lower fixed block are provided with a lower jack, and the box door is provided with a plug-in locking mechanism that is plugged and matched with the upper jack and the lower jack respectively. 2. The outdoor box-type substation ventilation and heat preservation structural box according to claim 1, characterized in that: the plug-in locking mechanism includes an upper fixing guide sleeve, a lower fixing guide sleeve, an upper insertion rod and a lower insertion rod, and the upper fixing The guide sleeve, the lower fixed guide sleeve, the upper insertion rod and the lower insertion rod are all arranged vertically. The upper fixed guide sleeve, the lower inserting rod is slidably inserted in the lower fixed guide sleeve, the inner wall of the box door is provided with a mounting frame, the mounting frame is connected with a rotating shaft rotating along the front and rear directions, and a gear is fixed on the rotating shaft, and the front end of the rotating shaft passes through the box door And connected with a handle, the lower part of the upper plunger is provided with an upper rack meshed with the gear, and the upper part of the lower plunger is provided with a lower rack meshed with the gear. The upper rack is parallel to the lower rack and is located on the opposite sides of the gear. ; When the door is closed, the upper end of the upper insertion rod corresponds to the upper jack up and down, and the upper end of the lower insertion rod corresponds to the lower jack up and down. 3. The outdoor box-type substation ventilation and heat preservation structural box according to claim 2, characterized in that: there are two upper fixed guide sleeves, one upper fixed guide sleeve is set on the upper part of the upper insertion rod, and the other upper fixed guide sleeve is set It is set on the lower part of the upper insertion rod and above the gear; there are two lower fixed guide sleeves, one is sleeved on the lower part of the lower insertion rod, and the other is sleeved on the upper part of the lower insertion rod and located below the gear. 4. According to claim 2 or 3, the outdoor box-type substation ventilation and heat preservation structural box is characterized in that: the inner wall of the top of the inner box is horizontally provided with an upper air distribution pipe, and the two ends of the upper air distribution pipe are blocked, and the upper air distribution pipe is sealed. The lower part of the pipe is uniformly provided with a row of upper air inlets along the length direction, and the lower end of the first exhaust pipe communicates with the upper part of the upper distribution air pipe. 5. The outdoor box-type substation ventilation and heat preservation structural box according to claim 4, characterized in that: the inner wall of the bottom of the inner box is horizontally provided with a lower distribution air duct, both ends of the lower distribution air duct are blocked, and the upper part of the lower distribution air duct 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.