CN210007237U - compact type ventilation buried transformer substation - Google Patents
compact type ventilation buried transformer substation Download PDFInfo
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- CN210007237U CN210007237U CN201921264032.7U CN201921264032U CN210007237U CN 210007237 U CN210007237 U CN 210007237U CN 201921264032 U CN201921264032 U CN 201921264032U CN 210007237 U CN210007237 U CN 210007237U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 36
- 239000011229 interlayer Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a compact type buried ventilation substation, which comprises a box body, the substation further comprises an air inlet main pipe and an air outlet main pipe, the air inlet main pipe is vertically arranged, the air outlet main pipe is vertically arranged, the vertical height of the air inlet main pipe is higher than that of the air outlet main pipe, the box body comprises a plurality of side walls which are circumferentially arranged, an air outlet is formed in the side wall, the lower end outlet of the air outlet main pipe is communicated with the air outlet, the box body comprises a lower bottom wall, an upper bottom wall parallel to the lower bottom wall is arranged above the lower bottom wall, an interlayer is formed between the lower bottom wall and the upper bottom wall, a plurality of ventilation holes are uniformly formed in the upper bottom wall, an air inlet communicated with the interlayer is formed in the side wall of the box body, a surrounding air pipe is arranged in the lower end outlet of the air inlet main pipe, the interlayer is arranged at a certain distance above ground from the air.
Description
Technical Field
The utility model relates to an electrical equipment field, in particular to kinds of compact underground substation that ventilates.
Background
Compared with the traditional box-type transformer substation (called box transformer substation for short), the buried transformer substation completely places the box body provided with the high-voltage cabinet, the low-voltage cabinet, the transformer substation and other electrical equipment underground, has the advantages of environmental protection, low noise, no occupied ground area and the like, and is widely applied to at present.
Underground is arranged in to the box of formula of burying transformer substation, and is all higher to the requirement of leakproofness and ventilation cooling performance, so current formula of burying transformer substation adopts bellows to add the mode of fan to carry out ventilation cooling to the box usually, and this kind of ventilation mode is fairly simple, and bellows set up in the earth's surface usually moreover, so let in the air of box also than hot, and the radiating effect is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing kinds of compact ground that ventilates buries formula transformer substation, it is fairly simple to aim at solving the ventilation cooling mode that current ground buries formula transformer substation adopted, the limited problem of radiating effect.
In order to achieve the above object, the present invention provides a technical solution:
compact type ventilation buried transformer substation, which comprises a box body, an air inlet main pipe and an air outlet main pipe, wherein the air inlet main pipe is vertically arranged, the upper end of the air inlet main pipe is inverted U-shaped, the lower end of the air inlet main pipe is U-shaped, the air outlet main pipe is also vertically arranged, the upper end of the air outlet main pipe is inverted U-shaped, the lower end of the air outlet main pipe is U-shaped, and the vertical height of the air inlet main pipe is higher than that of the air outlet main pipe;
, an air outlet is arranged on the side wall, and the air outlet is arranged close to the top wall;
the box body also comprises a lower bottom wall, and an upper bottom wall parallel to the lower bottom wall is arranged above the lower bottom wall in the box body; an interlayer is formed between the lower bottom wall and the upper bottom wall, and all electrical equipment in the transformer substation is arranged on the upper bottom wall;
the upper bottom wall is uniformly provided with a plurality of small ventilation holes, the side wall opposite to the side wall provided with the air outlet is provided with an air inlet communicated with the interlayer, the lower end outlet of the air inlet main pipe is communicated with a surrounding air pipe, the surrounding air pipe inclines downwards and surrounds the box body, and the tail end of the surrounding air pipe is communicated with the air inlet;
an air inlet axial flow fan is communicated with an opening of the U-shaped pipe at the upper end of the air inlet main pipe; the wind direction of the air inlet axial flow fan is set to enable air to enter the air inlet main pipe from the outside; the vertical distance between the air inlet axial flow fan and the ground surface is set to be not less than 100 cm; an air outlet axial flow fan is communicated with an opening of the U-shaped pipe at the upper end of the air outlet main pipe; and the wind direction of the air outlet axial flow fan is set to enable air to enter the outside from the air outlet main pipe.
Preferably, the lower end of the air inlet main pipe is provided with a U-shaped pipe which is attached to the side wall provided with the air inlet; the lower end U-shaped pipe of the air outlet main pipe is attached to the side wall provided with the air outlet; the air inlet end cover of the air inlet axial flow fan is provided with an air inlet grille; an air outlet end cover of the air outlet axial flow fan is provided with an air outlet grille;
the surrounding air pipe is attached to the outer surface of the side wall; the surrounding air pipe is arranged around the box body for a plurality of circles;
the surrounding air pipe is a stainless steel round pipe, and transverse fins and longitudinal fins which are made of metal materials are arranged in the pipe; the transverse fins and the longitudinal fins are arranged along the surrounding air pipe in an extending manner; the number of the transverse fins is multiple, and the adjacent transverse fins are arranged in parallel; both sides of the transverse fins are connected with the inner wall of the surrounding air pipe; the number of the longitudinal fins is also multiple, and the adjacent longitudinal fins are arranged in parallel; two sides of each longitudinal fin are connected with the adjacent transverse fins, and the longitudinal fins are perpendicular to the transverse fins;
the heat exchange fins are arranged on the side of the surrounding air pipe, which is far away from the side wall, are perpendicular to the extending direction of the surrounding air pipe, and the number of the heat exchange fins is multiple.
Preferably, the pipe diameter of the surrounding air pipe is set to be 5-10 cm; the distance between every two adjacent transverse fins is set to be 1-2 cm; and the distance between the adjacent longitudinal fins is set to be 2-3 cm.
Preferably, a switch cabinet and a transformer are arranged in the box body; the switch cabinet and the transformer are both arranged on the upper bottom wall;
the positions of the ventilation holes avoid the contact surface of the switch cabinet and the upper bottom wall and the contact surface of the transformer and the upper bottom wall;
a draining pump is also arranged in the interlayer; the water inlet end of the drainage pump is arranged close to the lower bottom wall, and the vertical distance between the water inlet end of the drainage pump and the upper surface of the lower bottom wall is not more than 1 cm; the water outlet end of the drainage pump is communicated with a drainage pipe; the drain pipe is arranged on the lower bottom wall in a sealing mode and leads to a municipal sewer.
Preferably, a pressurized axial flow fan is further arranged in the interlayer; the air inlet end of the pressurized axial flow fan is communicated with the air inlet; the air outlet end of the pressurized axial flow fan is vertically upward; the vertical distance between the lowest end of the pressurized axial flow fan and the upper surface of the lower bottom wall is not less than 3 cm; and the vertical distance between the air outlet end of the pressurized axial flow fan and the upper surface of the lower bottom wall is not less than 15 cm.
Preferably, the layer height of the interlayer is set to be not more than 30 cm; a plurality of support columns are connected between the upper bottom wall and the lower bottom wall; many the support column evenly set up in go up the diapire with between the diapire down.
Preferably, a three-way valve is communicated between the lower end outlet of the air inlet main pipe and the surrounding air pipe, the inlet end of the three-way valve is communicated with the lower end outlet of the air inlet main pipe, the th outlet of the three-way valve is communicated with the surrounding air pipe, and the second outlet of the three-way valve is communicated with an air inlet pipe;
the side wall provided with the air inlet is also provided with an upper air inlet which is arranged close to the top wall, and the other end of the air inlet pipe is communicated with the upper air inlet.
Preferably, the three-way valve is an electrically controlled three-way valve; a liquid level sensor is arranged in the interlayer; a temperature sensor and a controller are arranged in the box body; a wireless communicator is arranged in the middle section of the air inlet main pipe; the liquid level sensor, the temperature sensor and the wireless communicator are all in communication connection with the controller; the pressurized axial flow fan, the three-way valve and the drainage pump are all in control connection with the controller.
Preferably, the bottom of the lower U-shaped pipe of the air inlet main pipe is communicated with an air inlet collecting pipe, the bottom of the lower U-shaped pipe of the air outlet main pipe is communicated with an air outlet collecting pipe, the side wall provided with the air inlet is also provided with an air inlet collecting hole communicated with the interlayer, the side wall provided with the air outlet is also provided with an air outlet collecting hole communicated with the interlayer, the other end of the air inlet collecting pipe is communicated with the air inlet collecting hole, and the other end of the air outlet collecting pipe is communicated with the air outlet collecting hole.
Compared with the prior art, the utility model discloses possess following beneficial effect at least:
through the technical scheme, the utility model provides a compact formula transformer substation that buries with ventilating sets up the intermediate layer with the box lower part, set up the air inlet house steward in the constant distance of surging ground , avoided the hotter air that inhales the earth's surface, outside air gets into through the air inlet house steward and encircles the tuber pipe, encircle the box setting because of encircleing the tuber pipe, its route is longer, can make full use of the lower soil of underground temperature and the air that encircles the flow in the tuber pipe cool down, make the entering press from both sides intraformational air temperature lower, in the air gets into the box from the ventilation aperture entering after the intermediate layer, because of the ventilation aperture spreads all over whole lower diapire, so the more even entering box of air ability can all carry out good ventilation and heat dissipation to box everywhere position, so the utility model provides a compact formula transformer substation that ventilates.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an appearance three-dimensional structure of an embodiment of an compact ventilated buried substation of the present invention;
fig. 2 is a schematic front internal structure diagram of an embodiment of an compact ventilated buried substation of the present invention;
fig. 3 is a schematic view of a part of the structure of the surrounding air duct of the compact ventilation buried substation of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be described in connection with the embodiments illustrated in the accompanying drawings, in which reference should be made to the accompanying drawings for a further .
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a certain posture (as shown in the attached drawings), and if the certain posture is changed, the directional indicator is changed accordingly.
Thus, a feature defined as "", "second" may or may not include at least of that feature.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are used , for example, "fixed" may be a fixed connection, a detachable connection, or a body, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, a connection between two elements, or an interaction between two elements.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides an kinds of compact ground buried substation that ventilates.
Referring to fig. 1 to 3, compact ventilation buried transformer substation comprises a box 100, a main air inlet pipe 200 and a main air outlet pipe 300, wherein the main air inlet pipe 200 is vertically arranged, the upper end of the main air inlet pipe 200 is inverted 'U' -shaped, the lower end of the main air inlet pipe 200 is 'U' -shaped, the main air outlet pipe 300 is also vertically arranged, the upper end of the main air outlet pipe 300 is inverted 'U' -shaped, the lower end of the main air outlet pipe 300 is 'U' -shaped, the main air inlet pipe 200 is vertically higher than the main air outlet pipe 300, the upper ends of the main air inlet pipe 200 and the main air outlet pipe 300 are inverted 'U' -shaped to prevent outside rainwater from flowing back into the main air inlet pipe, the lower ends of the main air inlet pipe 200 and the main air outlet pipe 300 are 'U' -shaped to collect accumulated water which has entered into the main air inlet pipe and prevent the accumulated water from entering the box 100 along the pipe, the main air inlet pipe 200 is higher than the main air outlet pipe 300 because the air temperature of the ground is higher, the main air inlet pipe 200 is higher than the ground, and the air inlet pipe 200 is lower than the air temperature.
The box body 100 comprises a top wall 110 and a plurality of side walls 120 arranged in the circumferential direction, the side walls 120 are provided with air outlets 122, the air outlets 122 are arranged close to the top wall 110, the outlet at the lower end of the air outlet main pipe 300 is communicated with the air outlets 122, and the air outlets 122 are arranged to enable the air in the box body 100 to be exhausted to the outside through the air outlet main pipe 300 from the air outlets 122.
The box body 100 further comprises a lower bottom wall 150, an upper bottom wall 160 parallel to the lower bottom wall 150 is arranged above the lower bottom wall 150 inside the box body 100, an interlayer 400 is formed between the lower bottom wall 150 and the upper bottom wall 160, all electrical equipment in the substation is placed on the upper bottom wall 160, and interlayer 400 spaces are formed in the lower portion of the box body 100 through the technical scheme.
The upper bottom wall 160 is uniformly provided with a plurality of small ventilation holes 450, the other side wall 120 opposite to the side wall 120 provided with the air outlet 122 is provided with an air inlet 410 communicated with the interlayer 400, the outlet at the lower end of the air inlet main pipe 200 is communicated with the surrounding air pipe 250, the surrounding air pipe 250 inclines downwards and surrounds the box body 100, the tail end of the surrounding air pipe 250 is communicated with the air inlet 410, and therefore the arrangement can enable outside air to enter from the air inlet main pipe 200, flow through the surrounding air pipe 250, enter the interlayer 400 from the air inlet 410, and then enter the box body 100 from the small ventilation.
During installation, the box body 100 is arranged underground, the surrounding air pipe 250 is also buried underground and fully contacted with underground soil, and the underground soil and the surrounding air pipe 250 fully exchange heat to reduce the temperature of air in the surrounding air pipe 250.
An air inlet axial flow fan 210 is communicated with the opening of the U-shaped pipe at the upper end of the air inlet main pipe 200; the wind direction of the axial flow fan 210 is set to make air enter the air intake manifold 200 from the outside; the vertical distance between the axial flow fan 210 and the ground surface is set to be not less than 100cm (this is to ensure that the temperature of the air entering the air intake manifold 200 is lower than that of the air on the ground surface, and the preferred embodiment is 100 cm); an outlet axial flow fan 310 is communicated with an opening of the U-shaped pipe at the upper end of the outlet main pipe 300; the wind direction of the outlet axial flow fan 310 is set to make the air enter the outside from the outlet main pipe 300.
complete air flow circulation paths can be formed by arranging the axial flow fan 210 for air intake and the axial flow fan 310 for air outlet, specifically, external → the axial flow fan 210 for air intake → the main air intake pipe 200 → the circular air pipe 250 → the air intake 410 → the interlayer 400 → the small ventilation hole 450 → the air outlet 122 → the main air outlet pipe 300 → the axial flow fan 310 for air outlet → external.
Through the technical scheme, the utility model provides a compact formula transformer substation that buries with ventilating sets up intermediate layer 400 with box 100 lower part, set up air intake manifold 200 in the fixed distance of higher than the ground, avoided the hotter air that inhales the earth's surface, outside air gets into around tuber pipe 250 through air intake manifold 200, because of surrounding the setting of tuber pipe 250 around box 100, its route is longer, can make full use of the lower soil of underground temperature and the air of the flow in the tuber pipe 250 of encircleing cool down, make the air temperature that gets into in intermediate layer 400 lower, get into in the box 100 from ventilation aperture 450 behind the air admission intermediate layer 400, because of ventilation aperture 450 spreads over whole diapire 150 down, so the air can be more even gets into box 100, can all carry out good ventilation and heat dissipation to each position in the box 100, so the utility model provides a compact formula transformer substation that buries with ventilating possesses better ventilation and heat dissipation effect.
In addition, referring to fig. 1 to fig. 3, the lower end U-shaped tube of the air intake main pipe 200 is attached to the side wall 120 provided with the air inlet 410; the lower end of the air outlet main pipe 300 is provided with a U-shaped pipe which is attached to the side wall 120 provided with the air outlet 122; the air inlet end cover of the air inlet axial flow fan 210 is provided with an air inlet grille 220; an air outlet end cover of the air outlet axial flow fan 310 is provided with an air outlet grille 320; the air inlet grille 220 and the air outlet grille 320 are used for preventing foreign matters from entering the pipes.
The air pipe 250 is arranged around and attached to the outer surface of the side wall 120, and the connection is firm by adopting a welding connection mode; the enclosure surrounding the duct 250 is provided with a plurality of turns (preferably 3 turns in this embodiment) around the housing 100.
The surrounding air pipe 250 is a stainless steel round pipe, and transverse fins 251 and longitudinal fins 252 which are made of metal materials are arranged in the pipe; the transverse fins 251 and the longitudinal fins 252 are arranged around the air pipe 250 in an extending manner; the number of the transverse fins 251 is multiple, and the adjacent transverse fins 251 are arranged in parallel; both sides of the transverse fin 251 are connected with the inner wall of the surrounding air pipe 250; the number of the longitudinal fins 252 is also multiple, and the adjacent longitudinal fins 252 are arranged in parallel; two sides of each longitudinal fin 252 are connected with the adjacent transverse fins 251, and the longitudinal fins 252 are perpendicular to the transverse fins 251; the transverse fins 251 and the longitudinal fins 252 made of metal effectively increase the heat exchange contact area of air flowing through the surrounding air pipe 250; allowing the air flowing to the intake vent 410 to be cooler.
The heat exchange fins 253 are connected and arranged on the outer wall of the surrounding air pipe 250 and made of metal, the heat exchange fins 253 are arranged on the side, far away from the side wall 120, of the surrounding air pipe 250, the heat exchange fins 253 are perpendicular to the extending direction of the surrounding air pipe 250, the number of the heat exchange fins 253 is multiple, the heat exchange fins 253 are preferably in a semi-circular shape, the contact area between the heat exchange fins 253 and soil can be increased to the greatest extent, and the heat exchange and cooling effects of the surrounding air pipe 250 are enhanced .
In addition, the pipe diameter of the surrounding air pipe 250 is set to be 5-10 cm (the pipe diameter is determined according to the external dimension of the box 100 and the heat productivity of the electrical equipment in the box 100, and is preferably 10cm in the embodiment); the distance between the adjacent transverse fins 251 is set to be 1-2 cm (the distance is determined according to the pipe diameter of the surrounding air pipe 250 and the air flow velocity in the pipe, and preferably 2cm in the embodiment); the distance between adjacent longitudinal fins 252 is set to be 2-3 cm (the distance is determined according to the pipe diameter of the surrounding air pipe 250 and the air flow rate in the pipe, and preferably 2cm in the embodiment).
In addition, referring to fig. 2, a switch cabinet 600 and a transformer 500 are disposed in the box 100; the switch cabinet 600 and the transformer 500 are both arranged on the upper bottom wall 160; the switchgear 600 and the transformer 500 are the main heat sources within the cabinet 100.
The opening position of the small ventilation hole 450 avoids the contact surface between the switch cabinet 600 and the upper bottom wall 160 and the contact surface between the transformer 500 and the upper bottom wall 160; the ventilation effect is not good because the contact surface is provided with the small ventilation holes 450.
A drainage pump 460 is also arranged in the interlayer 400; the water inlet end 461 of the drain pump is disposed close to the lower bottom wall 150, and the vertical distance between the water inlet end 461 of the drain pump and the upper surface of the lower bottom wall 150 is set to be not more than 1cm (the water inlet end 461 of the drain pump is used for absorbing the accumulated water in the interlayer 400, if the vertical distance is set to be too high, the height capable of absorbing the accumulated water is also correspondingly increased, so the height should not exceed 1cm, and the preferred embodiment is 1 cm); the water outlet end of the drainage pump 460 is communicated with a drainage pipe 462; a drain pipe 462 is sealingly disposed through the lower bottom wall 150 and leads to municipal sewage.
Through the technical scheme, accumulated water in the box body 100 can be discharged into the space of the interlayer 400 through the small ventilation holes 450 and then discharged out of the box body 100 through the drainage pump 460, so that the influence of excessive accumulated water in the box body 100 on the normal work of electrical equipment is prevented.
In addition, referring to fig. 2, a pressurized axial flow fan 470 is further disposed in the interlayer 400, an air inlet end of the pressurized axial flow fan 470 is communicated with the air inlet 410, the pressurized axial flow fan 470 is fixed on the inner surface of the side wall 120 through a bolt, an air outlet end 471 of the pressurized axial flow fan is vertically upward, the upper bottom wall 160 right above the pressurized axial flow fan 470 is not provided with a small ventilation hole 450, so that accumulated water in the box 100 is prevented from flowing out of the small ventilation hole 450 and directly dropping on the pressurized axial flow fan 470, and adverse effects on the pressurized axial flow fan 470 are avoided, a vertical distance between a lowermost end of the pressurized axial flow fan 470 and an upper surface of the lower bottom wall 150 is not less than 3cm (here, a vertical distance determined by is maintained to prevent the accumulated water at the bottom of the interlayer 400 from affecting the pressurized axial flow fan 470, the embodiment is preferably 3cm), a vertical distance between an air outlet end 471 of the pressurized axial flow fan and an upper surface of the lower bottom wall 150 is not less than 15cm (in order to prevent the accumulated water in the interlayer 400 from entering the air outlet end of the pressurized axial flow fan 470 is preferably 15cm, the bottom wall 150, the bottom wall 160 is preferably 15cm, a plurality of the interlayer 400 is not more preferably, a plurality of support columns are disposed between the bottom wall 160, and the bottom wall 150, the bottom wall 150 is preferably, and the bottom wall 150 is disposed uniformly connected to the bottom wall.
In addition, referring to fig. 1, a three-way valve 230 is further disposed between the lower outlet of the air intake manifold 200 and the surrounding air duct 250, in this embodiment, the three-way valve 230 is preferably an electrically controlled three-way valve 230, an inlet end of the three-way valve 230 is communicated with the lower outlet of the air intake manifold 200, an outlet of the three-way valve 230 is communicated with the surrounding air duct 250, and a second outlet of the three-way valve 230 is communicated with an air intake duct 240;
the side wall 120 provided with the air inlet 410 is also provided with an upper air inlet 121, the upper air inlet 121 is arranged close to the top wall 110, and the other end of the air inlet pipe 240 is communicated with the upper air inlet 121.
Through the technical scheme, air inlet paths are additionally arranged, namely the outside → the air inlet axial flow fan 210 → the air inlet header pipe 200 → the three-way valve 230 → the air inlet pipe 240 → the upper air inlet 121 → the box body 100, and the air inlet path is shorter than the path flowing through the surrounding air pipe 250, has higher air inlet speed and is suitable for being used in winter or under the condition of lower outside air temperature.
In addition, a liquid level sensor (not shown) is disposed within the interlayer 400; a temperature sensor (not shown) and a controller (not shown) are provided in the case 100; a wireless communicator (not shown) is arranged in the middle section of the air inlet main pipe 200; the liquid level sensor, the temperature sensor and the wireless communicator are all in communication connection with the controller; the pressurized axial flow fan 470, the three-way valve 230 and the drain pump 460 are all in control connection with the controller.
Through the technical scheme, intelligent ventilation control can be achieved for the transformer substation, specifically, when the temperature sensor detects that the temperature in the box body 100 is higher than the th preset temperature value (for example, 50 ℃), the controller controls the outlet of the three-way valve 230 to be communicated, the second outlet is closed, the pressurizing axial flow fan 470 is started at the same time, the temperature of air entering the box body 100 is lower through the surrounding air pipe 250, and accordingly the ventilation and heat dissipation effects are improved.
When the temperature sensor detects that the temperature in the box body 100 is lower than a second preset temperature value (such as 35 ℃), the controller controls the th outlet of the three-way valve 230 to be closed, the second outlet is communicated, and the controller controls the pressurizing axial flow fan 470 to stop working, so that the outside air directly enters the box body 100 from the air inlet pipe 240, the temperature in the box body 100 is low, the use requirement can be met without additionally cooling the air, the mode is also energy-saving and consumption-reducing modes, and the ventilation mode is suitable for winter or areas with low average temperature.
When the liquid level sensor detects that the height of the accumulated water in the interlayer 400 is higher than the th liquid level preset value (the th preset value is preferably 2cm because the vertical distance between the pressurized axial flow fan 470 and the upper surface of the lower bottom wall 150 is 3cm, so as not to influence the normal use of the pressurized axial flow fan 470), the controller controls the drainage pump 460 to work, and the accumulated water in the interlayer 400 is drained;
when the liquid level sensor detects that the height of the accumulated water in the interlayer 400 is higher than a third liquid level preset value (such as 10cm) and/or when the temperature sensor detects that the temperature in the box body 100 is higher than a third preset temperature value (such as 70 ℃), the controller controls the wireless communicator to send early warning information to a mobile phone of a worker.
In addition, referring to fig. 1 and fig. 2, the bottom of the lower U-shaped tube of the air inlet main pipe 200 is communicated with an air inlet water collecting pipe 260, the bottom of the lower U-shaped tube of the air outlet main pipe 300 is communicated with an air outlet water collecting pipe 330, the side wall 120 provided with the air inlet 410 is also provided with an air inlet water collecting hole 420 communicated with the interlayer 400, the side wall 120 provided with the air outlet 122 is also provided with an air outlet water collecting hole 430 communicated with the interlayer 400, the other end of the air inlet water collecting pipe 260 is communicated with the air inlet water collecting hole 420, and the other end of the air outlet water collecting pipe 330 is.
Through the technical scheme, accumulated water of the lower end U-shaped pipe of the air inlet main pipe 200 and the lower end U-shaped pipe of the air outlet main pipe 300 can be discharged to the interlayer 400 in time, and the case body 100 is prevented from being poured into due to excessive accumulated water.
In addition, referring to fig. 1 and fig. 2, the top wall 110 is provided with an entrance 130 for workers to enter and exit; the outer surface of the top wall 110 is hinged with a sealing cover plate 140 capable of sealing the inlet and outlet.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (9)
- The compact type ventilation buried transformer substation comprises a box body and is characterized by further comprising a main air inlet pipe and a main air outlet pipe, wherein the main air inlet pipe is vertically arranged, the upper end of the main air inlet pipe is in an inverted U shape, the lower end of the main air inlet pipe is in a U shape, the main air outlet pipe is also vertically arranged, the upper end of the main air outlet pipe is in an inverted U shape, the lower end of the main air outlet pipe is in a U shape, and the vertical height of the main air inlet pipe is higher than that of the main air outlet pipe;, an air outlet is arranged on the side wall, and the air outlet is arranged close to the top wall;the box body also comprises a lower bottom wall, and an upper bottom wall parallel to the lower bottom wall is arranged above the lower bottom wall in the box body; an interlayer is formed between the lower bottom wall and the upper bottom wall, and all electrical equipment in the transformer substation is arranged on the upper bottom wall;the upper bottom wall is uniformly provided with a plurality of small ventilation holes, the side wall opposite to the side wall provided with the air outlet is provided with an air inlet communicated with the interlayer, the lower end outlet of the air inlet main pipe is communicated with a surrounding air pipe, the surrounding air pipe inclines downwards and surrounds the box body, and the tail end of the surrounding air pipe is communicated with the air inlet;an air inlet axial flow fan is communicated with an opening of the U-shaped pipe at the upper end of the air inlet main pipe; the wind direction of the air inlet axial flow fan is set to enable air to enter the air inlet main pipe from the outside; the vertical distance between the air inlet axial flow fan and the ground surface is set to be not less than 100 cm; an air outlet axial flow fan is communicated with an opening of the U-shaped pipe at the upper end of the air outlet main pipe; and the wind direction of the air outlet axial flow fan is set to enable air to enter the outside from the air outlet main pipe.
- 2. The compact ventilated buried substation of claim 1, wherein the lower U-tube of the inlet header pipe is attached to the side wall provided with the air inlet, the lower U-tube of the outlet header pipe is attached to the side wall provided with the air outlet, the inlet end cover of the inlet axial flow fan is provided with an inlet grille, and the outlet end cover of the outlet axial flow fan is provided with an outlet grille;the surrounding air pipe is attached to the outer surface of the side wall; the surrounding air pipe is arranged around the box body for a plurality of circles;the surrounding air pipe is a stainless steel round pipe, and transverse fins and longitudinal fins which are made of metal materials are arranged in the pipe; the transverse fins and the longitudinal fins are arranged along the surrounding air pipe in an extending manner; the number of the transverse fins is multiple, and the adjacent transverse fins are arranged in parallel; both sides of the transverse fins are connected with the inner wall of the surrounding air pipe; the number of the longitudinal fins is also multiple, and the adjacent longitudinal fins are arranged in parallel; two sides of each longitudinal fin are connected with the adjacent transverse fins, and the longitudinal fins are perpendicular to the transverse fins;the heat exchange fins are arranged on the side of the surrounding air pipe, which is far away from the side wall, are perpendicular to the extending direction of the surrounding air pipe, and the number of the heat exchange fins is multiple.
- 3. The kinds of compact ventilated buried substation according to claim 2, wherein the diameter of the surrounding air pipe is set to be 5-10 cm, the distance between adjacent transverse fins is set to be 1-2 cm, and the distance between adjacent longitudinal fins is set to be 2-3 cm.
- 4. The compact ventilated buried substation of claim 1, wherein a switch cabinet and a transformer are arranged in the box body, both the switch cabinet and the transformer are arranged on the upper bottom wall;the positions of the ventilation holes avoid the contact surface of the switch cabinet and the upper bottom wall and the contact surface of the transformer and the upper bottom wall;a draining pump is also arranged in the interlayer; the water inlet end of the drainage pump is arranged close to the lower bottom wall, and the vertical distance between the water inlet end of the drainage pump and the upper surface of the lower bottom wall is not more than 1 cm; the water outlet end of the drainage pump is communicated with a drainage pipe; the drain pipe is arranged on the lower bottom wall in a sealing mode and leads to a municipal sewer.
- 5. The compact ventilated buried substation of claim 4, wherein a pressurized axial flow fan is further arranged in the interlayer, an air inlet end of the pressurized axial flow fan is communicated with the air inlet, an air outlet end of the pressurized axial flow fan faces vertically upwards, a vertical distance between a lowermost end of the pressurized axial flow fan and an upper surface of the lower bottom wall is not less than 3cm, and a vertical distance between the air outlet end of the pressurized axial flow fan and the upper surface of the lower bottom wall is not less than 15 cm.
- 6. The compact ventilated buried substation of claim 5, wherein the interlayer has a layer height of no more than 30cm, a plurality of supporting columns are connected between the upper bottom wall and the lower bottom wall, and the supporting columns are uniformly arranged between the upper bottom wall and the lower bottom wall.
- 7. The compact ventilated buried substation of claim 5, wherein a three-way valve is connected between the lower outlet of the main air intake duct and the surrounding air duct, the inlet end of the three-way valve is connected to the lower outlet of the main air intake duct, the outlet of the three-way valve is connected to the surrounding air duct, and the second outlet of the three-way valve is connected to an air intake duct;the side wall provided with the air inlet is also provided with an upper air inlet which is arranged close to the top wall, and the other end of the air inlet pipe is communicated with the upper air inlet.
- 8. The compact type buried ventilation substation according to claim 7, wherein the three-way valve is an electrically controlled three-way valve, a liquid level sensor is arranged in the interlayer, a temperature sensor and a controller are arranged in the box body, a wireless communicator is arranged in the middle section of the air inlet main pipe, the liquid level sensor, the temperature sensor and the wireless communicator are all in communication connection with the controller, and the pressurized axial flow fan, the three-way valve and the drainage pump are all in control connection with the controller.
- 9. The compact ventilated buried substation of claim 1, wherein an inlet air collecting pipe is communicated with the bottom of a lower U-shaped pipe of the inlet main pipe, an outlet air collecting pipe is communicated with the bottom of a lower U-shaped pipe of the outlet main pipe, an inlet air collecting hole communicated with the interlayer is further formed in the side wall provided with the air inlet, an outlet air collecting hole communicated with the interlayer is further formed in the side wall provided with the air outlet, the other end of the inlet air collecting pipe is communicated with the inlet air collecting hole, and the other end of the outlet air collecting pipe is communicated with the outlet air collecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921264032.7U CN210007237U (en) | 2019-08-06 | 2019-08-06 | compact type ventilation buried transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921264032.7U CN210007237U (en) | 2019-08-06 | 2019-08-06 | compact type ventilation buried transformer substation |
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| CN210007237U true CN210007237U (en) | 2020-01-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311321A (en) * | 2019-08-06 | 2019-10-08 | 华翔翔能电气股份有限公司 | A kind of intelligence compact ventilation buried substation |
| CN112350200A (en) * | 2020-12-23 | 2021-02-09 | 国网河南省电力公司桐柏县供电公司 | Bury power equipment's self-ventilation structure |
-
2019
- 2019-08-06 CN CN201921264032.7U patent/CN210007237U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311321A (en) * | 2019-08-06 | 2019-10-08 | 华翔翔能电气股份有限公司 | A kind of intelligence compact ventilation buried substation |
| CN112350200A (en) * | 2020-12-23 | 2021-02-09 | 国网河南省电力公司桐柏县供电公司 | Bury power equipment's self-ventilation structure |
| CN112350200B (en) * | 2020-12-23 | 2023-09-15 | 国网河南省电力公司桐柏县供电公司 | Self-ventilation structure of underground power equipment |
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Address after: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee after: Huaxiang XiangNeng Technology Co.,Ltd. Address before: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee before: HXXN ELECTRICITY Co.,Ltd. |
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Denomination of utility model: A compact ventilated underground substation Effective date of registration: 20231106 Granted publication date: 20200131 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |
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