CN210985428U

CN210985428U - Box-type substation

Info

Publication number: CN210985428U
Application number: CN202020016160.6U
Authority: CN
Inventors: 林连梅; 李晓文; 张世强; 张雄斐; 侯大相
Original assignee: Henan Hengyuan Electric Power Design Co ltd
Current assignee: Henan Hengyuan Electric Power Design Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-07-10
Anticipated expiration: 2030-01-03

Abstract

The utility model relates to the technical field of transformer substations, in particular to a box-type transformer substation, which adopts the technical proposal that a direct vent air duct is arranged in a box body and above a transformer chamber, the direct vent air duct is communicated with the transformer chamber, one end of the direct vent air duct is arranged in a sealing way, and the other end of the direct vent air duct is connected with the side wall of the box body; a plurality of air outlets are formed in the box body and located on the direct exhaust type air channel, the air outlets are communicated with the direct exhaust type air channel, and a heat dissipation device is arranged in the box body. The hot air in the transformer chamber can be directly discharged out of the box body through the direct exhaust type air duct and the air outlet, so that the transformer chamber is prevented from being damaged due to high temperature. The arrangement of the direct exhaust type air duct can further improve the heat dissipation of the box body and the transformer chamber.

Description

Box-type substation

Technical Field

The utility model belongs to the technical field of the transformer substation technique and specifically relates to a box-type substation is related to.

Background

The box type transformer substation, also called a prefabricated substation or a prefabricated substation, is a high-voltage switch equipment, a distribution transformer and a low-voltage distribution device, is a factory prefabricated indoor and outdoor compact distribution equipment which is integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft, heat-insulating, totally-closed and movable steel structure box, is particularly suitable for urban network construction and transformation, and is a brand-new transformer substation which is built up after a civil transformer substation. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil power distribution rooms and power distribution stations, and becomes a novel complete set of power transformation and distribution device.

The existing box-type substation generally adopts a structure that each unit is independent, a transformer chamber, a high-voltage switch chamber, a low-voltage switch chamber and the like are respectively arranged in the box-type substation, corresponding instruments, switches, circuit devices and the like are respectively arranged in each chamber, and the chambers are connected into a complete power supply system through a lead.

The current chinese patent with an authorization publication number of CN204205344U discloses an anti-shock box-type substation, which comprises a box-type shell, wherein one side of the box-type shell is provided with a protective door, the top end of the box-type shell is provided with a double-layer hollow top cover, the box-type shell is externally fixed with a layer of shock-proof surface, the shock-proof surface is arc-shaped, a gap is formed between the shock-proof surface and the outer surface of the box-type shell, the bottom end of the box-type shell is provided with a substrate, the lower surface of the substrate is provided with a plurality of grooves.

However, the above prior art solutions have the following drawbacks: the box-type transformer substation is of a totally enclosed structure, so that the heat dissipation effect in the box body is poor, and the transformer can run in a high-temperature environment for a long time, so that the fault occurrence rate of the transformer is increased, and the service life of the transformer is shortened.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a box-type substation that the radiating effect is good.

The above object of the present invention is achieved by the following technical solutions:

a box-type substation comprises a box body, a transformer chamber, a high-voltage switch chamber and a low-voltage switch chamber, wherein the transformer chamber, the high-voltage switch chamber and the low-voltage switch chamber are arranged in the box body; the box is provided with a plurality of air outlets at positions on the box body, wherein the positions are located in the direct exhaust type air channel, the air outlets are communicated with the direct exhaust type air channel, and a heat dissipation device is arranged in the box body.

Through adopting above-mentioned technical scheme, the indoor steam of transformer can directly be discharged outside the box through direct vent wind channel and air exit to can avoid the indoor temperature of transformer higher and cause the damage to the transformer. The arrangement of the direct exhaust type air duct can further improve the heat dissipation of the box body and the transformer chamber.

The present invention may be further configured in a preferred embodiment as: the body is provided with a grid plate corresponding to the air outlet, and the grid plate is arranged in an arc shape.

Through adopting above-mentioned technical scheme, dust, rainwater can be avoided passing through in the air exit gets into the direct vent wind channel in the setting of grid tray.

The present invention may be further configured in a preferred embodiment as: the heat dissipation device comprises an exhaust fan, a controller and a temperature sensor, the exhaust fan is arranged in the transformer room and electrically connected with the controller, and the temperature sensor is electrically connected with the controller.

Through adopting above-mentioned technical scheme, when temperature sensor detected the indoor temperature of transformer higher, to controller routing information, the controller can start the exhaust fan to carry out cooling to the transformer room.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the box body is provided with an air inlet hole, and a shutter is arranged at the air inlet hole.

Through adopting above-mentioned technical scheme, the setting of shutter can effectively avoid the dust to get into in the box when can guaranteeing normal ventilation.

The present invention may be further configured in a preferred embodiment as: the shutter comprises a plurality of blades, and the cross sections of the blades are arranged in an S shape.

Through adopting above-mentioned technical scheme, the blade is the S-shaped setting, can effectively avoid the dust to pass through the gap entering box between the blade.

The present invention may be further configured in a preferred embodiment as: and a dust filtering net is arranged in the box body and at the position of the louver.

By adopting the technical scheme, the dust filter screen can further prevent dust from entering the box body on the premise of not influencing normal ventilation.

The present invention may be further configured in a preferred embodiment as: the top of box is provided with the top cap, the top cap is four slope formula structures, four ends of top cap all are provided with the eave.

Through adopting above-mentioned technical scheme, the top cap is four slope formula structures and all is provided with the eave, can play the effect of direction to the rainwater to avoid the rainwater to pile up on the top cap.

The present invention may be further configured in a preferred embodiment as: the eave is provided with the deflector in the one end of keeping away from the top cap, the deflector sets up along vertical direction.

Through adopting above-mentioned technical scheme, the deflector can further avoid the rainwater to spatter on the lateral wall of box to can further avoid the rainwater to get into in the box.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the direct-exhaust air duct and the air outlet, the heat dissipation effect of the box body can be effectively improved;

2. through the setting of grid tray, shutter, can effectively avoid dust, rainwater to get into in the box.

Drawings

Fig. 1 is a schematic structural diagram of a box-type substation shown in an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram for embodying the direct vent duct shown in the embodiment of the present invention;

fig. 4 is a schematic structural diagram for embodying a dust filter net and a louver in the embodiment of the present invention;

fig. 5 is a sectional view of a blind shown in the embodiment of the present invention.

In the figure, 1, a box body; 11. a transformer chamber; 12. a high voltage switch chamber; 13. a low-voltage switch chamber; 2. a top cover; 21. an eave; 22. a guide plate; 3. a direct-discharge air duct; 31. an exhaust fan; 32. an air outlet; 33. a grid plate; 331. positioning a plate; 34. a connecting plate; 35. a vent; 36. an air inlet; 4. a blind window; 41. a blade; 42. an inclined plate; 43. mounting a plate; 44. a butt joint plate; 5. a dust filter screen; 51. filtering cotton; 52. a filter screen; 6. a heat radiation fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a box-type substation, including box 1 and transformer room 11, high-voltage switch room 12 and the low-voltage switch room 13 of setting in box 1, and transformer room 11 and high-voltage switch room 12 lie in same one side of box 1, and low-voltage switch room 13 sets up the opposite side at box 1 for form the passageway between transformer room 11, high-voltage switch room 12 and the low-voltage switch room 13, be convenient for staff's inspection and maintenance. The box body 1 is filled with rock wool boards with lower heat conductivity coefficients, and the rock wool boards have certain heat insulation performance. The top surface of box 1 is provided with top cap 2, and top cap 2 is four slope formula structures, and the equal downwardly extending in four ends on top is formed with eave 21, and the one end that top cap 2 was kept away from to eave 21 is provided with deflector 22, and deflector 22 is vertical direction setting. Through the setting of eaves 21 and deflector 22, can play waterproof effect to box-type substation.

Referring to fig. 3, the direct-exhaust type air ducts 3 are disposed in the cabinet 1 above the transformer chamber 11, the high-voltage switching chamber 12 and the low-voltage switching chamber 13, and the direct-exhaust type air ducts 3 are communicated with the transformer chamber 11, the high-voltage switching chamber 12 and the low-voltage switching chamber 13. And the transformer chamber 11, the high-voltage switch chamber 12 and the low-voltage switch chamber 13 have the same connecting structure with the direct-exhaust air duct 3, and are all provided with heat dissipating devices. Taking the transformer chamber 11 as an example, the top end of the transformer chamber 11 is provided with a through hole communicated with the direct-exhaust air duct 3. The heat dissipation device comprises a controller, an exhaust fan 31 and a temperature sensor, the exhaust fan 31 is arranged in the transformer chamber 11 and corresponds to the through hole, the temperature sensor is arranged on the side wall of the transformer chamber 11, and the exhaust fan 31 and the temperature sensor are electrically connected with the controller. When the temperature sensor detects that the temperature of the transformer chamber 11 is high, a signal is sent to the controller, the controller starts the exhaust fan 31, and hot air in the transformer chamber 11 can be exhausted from the direct exhaust type air duct 3 through the exhaust fan 31.

Referring to fig. 2 and 3, one end of the direct-exhaust air duct 3 is hermetically disposed, and the other end of the direct-exhaust air duct 3 is connected to a side wall of the box body 1. A plurality of air outlets 32 are arranged on the box body 1 and positioned on the direct exhaust air duct, and the air outlets 32 are communicated with the direct exhaust air duct 3. In the present embodiment, the air outlet 32 is in the form of a strip. Just correspond the position of air exit 32 on the lateral wall of box 1 and all be provided with grid plate 33, in this embodiment, grid plate 33 is including connecting plate 34 and the locating plate 331 that sets gradually, locating plate 331 is provided with two and all sets up at air exit 32 along its length direction's both ends, connecting plate 34 sets up between two locating plates 331 and is located the top of air exit 32, and connecting plate 34 is the arc setting, be formed with the decurrent cavity of opening between connecting plate 34 and two locating plates 331 jointly, make from 3 exhaust hot gas in inline wind channel 32 along the cavity discharge of air exit, and can effectively avoid the dust, the rainwater gets into inline wind channel 3.

Referring to fig. 3, ventilation openings 35 are disposed on inner side walls of the transformer chamber 11, the high voltage switch chamber 12 and the low voltage switch chamber 13, air inlets 36 communicated with the transformer chamber 11, the high voltage switch chamber 12 and the low voltage switch chamber 13 are disposed on outer side walls of the box body 1, and shutters 4 are disposed at the ventilation openings 35 and the air inlets 36. And a heat radiation fan 6 is arranged on the side wall of the box body 1 and positioned at the channel, an infrared temperature sensor is arranged on the side wall of the box body 1, the infrared temperature sensor is electrically connected with the controller, and the heat radiation fan 6 is electrically connected with the controller.

Referring to fig. 4 and 5, a louver 4 is provided at the air inlet 36 (see fig. 5). In this embodiment, the louver 4 includes a plurality of blades 41, and the cross section of the blade 41 is disposed in an S shape. The blade 41 includes an inclined plate 42 and mounting plates 43 located at two ends of the inclined plate 42, the inclined plate 42 is disposed in an inclined manner, and the mounting plates 43 are disposed in a vertical manner. The end of the two mounting plates 43 far away from the inclined plate 42 is provided with a butt plate 44, the butt plate 44 is horizontally arranged, and the two adjacent blades 41 are arranged in a staggered manner. While ensuring air circulation, dust can be prevented from entering the case 1 (see fig. 3) through the louver 4.

Referring to fig. 3 and 4, a dust filter 5 is disposed on the back of the louver 4, and in this embodiment, the dust filter 5 includes a filter cotton 51 and a filter net 52 disposed in sequence, so that dust can be effectively prevented from entering the box 1 through the louver 4.

The implementation principle of the embodiment is as follows:

air flows into the box body 1, the transformer chamber 11, the high-voltage switch chamber 12 and the low-voltage switch chamber 13 through the air inlet 36, under the action of the louver 4, the filter cotton 51 and the filter screen 52, dust can be prevented from entering the box body 1, air in the box body 1 enters the transformer chamber 11, the high-voltage switch chamber 12 and the low-voltage switch chamber 13 through the vent 35, convection of the air can be achieved through the air inlet 36 and the vent 35, and therefore the effects of heat dissipation and temperature reduction can be achieved.

When infrared temperature sensor detected the temperature in the box 1 when higher, the controller can start radiator fan 6, can dispel the heat and cool down in the box 1 through radiator fan 6.

When the temperature sensors detect that the temperatures of the transformer chamber 11, the high-voltage switch chamber 12 and the low-voltage switch chamber 13 are high, the controller starts the exhaust fan 31, so that the hot air is exhausted into the direct exhaust type air duct 3 through the exhaust fan 31 and is exhausted through the exhaust port 32.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a box-type substation, includes box (1) and sets up transformer room (11), high-voltage switch room (12) and low-voltage switch room (13) in this internal, its characterized in that: a direct exhaust type air duct (3) is arranged in the box body (1) and above the transformer chamber (11), the direct exhaust type air duct (3) is communicated with the transformer chamber (11), one end of the direct exhaust type air duct (3) is arranged in a sealing manner, and the other end of the direct exhaust type air duct (3) is connected with the side wall of the box body (1); the box just is located the position in inline wind channel (3) on (1) and is provided with a plurality of air exit (32), air exit (32) are linked together with inline wind channel (3), be provided with heat abstractor in box (1).

2. A box substation according to claim 1, characterized in that: the position of the box body (1) corresponding to the air outlet (32) is provided with a grid plate (33), and the grid plate (33) is arranged in an arc shape.

3. A box substation according to claim 1, characterized in that: the heat dissipation device comprises an exhaust fan (31), a controller and a temperature sensor, wherein the exhaust fan (31) is arranged in the transformer chamber (11), the exhaust fan (31) is electrically connected with the controller, and the temperature sensor is electrically connected with the controller.

4. A box substation according to claim 1, characterized in that: an air inlet (36) is formed in the outer side wall of the box body (1), and a blind window (4) is arranged at the position of the air inlet (36).

5. A box substation according to claim 4, characterized in that: the louver (4) comprises a plurality of blades (41), and the cross sections of the blades (41) are arranged in an S shape.

6. A box substation according to claim 1, characterized in that: and a dust filtering net (5) is arranged in the box body (1) and positioned at the position of the shutter (4).

7. A box substation according to claim 1, characterized in that: the top of box (1) is provided with top cap (2), top cap (2) are four slope formula structures, four ends of top cap (2) all are provided with eave (21).

8. A box substation according to claim 7, characterized in that: one end, far away from the top cover (2), of the eave (21) is provided with a guide plate (22), and the guide plate (22) is arranged in the vertical direction.