CN111668739A - Box-type substation cooling system - Google Patents
Box-type substation cooling system Download PDFInfo
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- CN111668739A CN111668739A CN202010652531.4A CN202010652531A CN111668739A CN 111668739 A CN111668739 A CN 111668739A CN 202010652531 A CN202010652531 A CN 202010652531A CN 111668739 A CN111668739 A CN 111668739A
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- box
- type substation
- substation
- heat exchange
- air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The application discloses box-type substation cooling system relates to the field of transformer substation, aims at solving the problem that the cooling means of current box-type substation can cause a large amount of energy extravagant, and it includes the heat transfer well with box-type substation gas circuit intercommunication, locate the scavenge port on the box-type substation lateral wall and locate the open closed thermal-insulated window on the scavenge port, is equipped with the off device between heat transfer well and the box-type substation gas circuit. This application has the effect of the extravagant problem of the energy of solution box-type substation cooling in-process.
Description
Technical Field
The application relates to the field of transformer substations, in particular to a box-type transformer substation heat dissipation system.
Background
A box substation is a box of a place where voltage and current of electric energy are transformed, concentrated, and distributed in an electric power system. Because the outdoor box-type substation is installed outdoors, the illumination resource is high, the environmental temperature is increased along with the illumination resource, and the overall temperature of the box-type substation is increased due to multiple factors such as the increase of the load current of the equipment, particularly, the service life of components is greatly influenced by the overhigh temperature in the high-temperature period in summer.
In order to solve the above technical problems, the invention with publication number CN108539643A discloses a heat dissipation type box-type substation, comprising: the box body of the box-type substation comprises an inner box body and an outer box body, wherein a cavity is arranged between the inner box body and the outer box body, the top of the outer box body is provided with a plurality of openings, and the bottom of the cavity between the inner box body and the outer box body is provided with a plurality of drainage channels which are connected to a bottom water tank; be provided with water pump, heat exchanger and the screwed pipe of connecting in order in the interior box, specifically do: the inlet tube of water pump is connected with the water tank, and the outlet pipe of water pump is connected with heat exchanger, and heat exchanger is connected with the one end of screwed pipe, and the other end of screwed pipe is connected to the water tank.
Among the above-mentioned correlation technique, through retrieving the rainwater to cool down the rainwater through heat exchanger, and then utilize the rainwater to cool down to box-type substation inside.
However, the applicant believes that the related art among the above has the following drawbacks: the heat exchanger is used for providing a cold source for the whole box-type substation, and the heat exchanger causes great energy waste in the operation process.
Disclosure of Invention
In order to solve the problem of energy waste in the cooling process of the box-type substation, the application provides a box-type substation cooling system.
The application provides a box-type substation cooling system adopts following technical scheme:
the utility model provides a box-type substation cooling system, include with the heat transfer well of box-type substation gas circuit intercommunication, locate scavenge port on the box-type substation lateral wall with locate openable thermal-insulated window on the scavenge port, the heat transfer well with be equipped with the cut-off device between the box-type substation gas circuit.
Through adopting above-mentioned technical scheme, when the earth's surface temperature is higher summer, the underground temperature is lower, at this moment, the heat transfer well transmits the underground temperature to box-type substation in, make the inside temperature of box-type substation reduce, simultaneously, inside in order to prevent that external hot-air from entering box-type substation through the scavenge port, lead to the inside temperature of box-type substation to rise, can close the thermal-insulated window, the circulation of a large amount of air in separation external air and the box-type substation, thereby reach the higher problem of temperature in the box-type substation in control summer from two aspects, and this in-process is just to the storage and the utilization of the underground energy, and need not to add great power consumption equipment and carry out forced refrigeration, reach the saving and the effect of rational utilization to the. In winter, the ground surface temperature is lower, the underground temperature is higher than the ground surface temperature, the heat insulation window can be opened, and a heat exchange path between the heat exchange well and the box-type substation is cut off through the partition device, so that the underground temperature is prevented from being transmitted into the box-type substation while heat exchange is carried out on the air inside and outside the box-type substation, and the temperature in the box-type substation is reduced. The heat dissipation to box-type substation in different seasons is all gone on through heat in to the nature rational utilization and the heat exchange, can not cause a large amount of energy extravagant to simple structure, it is effectual to cool down.
Preferably, an air duct is arranged between the box-type substation and the heat exchange well, two ends of the air duct are respectively communicated into the box-type substation, the middle of the air duct is embedded in the heat exchange well and extends to the bottom of the heat exchange well, an air pump is connected to the air duct, and the partition device is a switch valve arranged on the air duct.
Through adopting above-mentioned technical scheme, the air in the box-type substation flows through the heat transfer well through the breather pipe way, carry out heat exchange with the medium in the heat transfer well, heat transfer to the heat transfer well in the air in the breather pipe way, when the air in the breather pipe way gets back to the box-type substation again in, the temperature is lower, reach the cooling to in the box-type substation, and simultaneously, carry out the passageway of box-type substation and the inside heat exchange of heat transfer well through the breather pipe way, compare with the mode of direct with the inside intercommunication of heat transfer well and box-type substation, the moist air in underground can not get into the box-type substation, thereby prevent that the electrical components in the box-type substation from weing and influencing its normal use. In winter, the ventilation pipeline cuts off the circulation of air through the switch valve, reduces the transmission of underground heat to the box-type substation, and simple structure, with low costs, convenient to use.
Preferably, gas storage cavities are respectively arranged between the two ends of the ventilation pipeline and the box-type substation, one side of each gas storage cavity is connected with the ventilation pipeline, a plurality of gas holes are arranged between one side close to the box-type substation and the box-type substation, and the gas holes are communicated with the inside of the box-type substation and the inside of the gas storage cavities.
Through adopting above-mentioned technical scheme, the inside air of box-type substation can not concentrate from a department inflow and outflow vent pipe to make the more steady of the air current circulation in the box-type substation, and make the inside temperature variation everywhere of box-type substation relatively more even.
Preferably, the vent pipes form a plurality of loops at the bottom of the heat exchange well, and the heat exchange well is internally provided with a filler.
By adopting the technical scheme, the time for air to pass through the bottom of the heat exchange well is longer due to the loop in the ventilation pipeline, so that more sufficient heat exchange is carried out between the air and the inside of the heat exchange well, and the temperature of the air entering the box-type substation from the ventilation pipeline is lower; after the filler is arranged in the heat exchange well, compared with a structure without the filler in the heat exchange well, the filler is directly contacted with the outer wall of the ventilation pipeline, the heat exchange efficiency is higher, and the condition that the airflow in the ventilation pipeline enters the box-type substation at a lower temperature is further ensured.
Preferably, the filler is water absorption filler, a water injection pipe is buried in the heat exchange well, one end of the water injection pipe is buried in the filler in the heat exchange well, the other end of the water injection pipe is connected with a water storage cavity, and a plurality of water injection holes are formed in one end of the water injection pipe buried in the filler.
Through adopting above-mentioned technical scheme, the water of water storage intracavity flows into in the heat transfer well through the water injection pipe to flow through the water injection hole, will absorb water and pack and soak, because the specific heat capacity of water is great, consequently pack and can release more heat in the unit interval and give the air current in the air pipe, improve the efficiency of heat exchange.
Preferably, the water injection pipe is located the one end outside in the heat transfer well is equipped with the protection tube, the infiltration hole has been seted up on the protection tube wall, the water injection pipe with be equipped with the rubble interlayer between the protection tube.
Through adopting above-mentioned technical scheme, the water in the water injection pipe passes through the water injection hole and permeates to the rubble interlayer, soaks the filler in the rubble interlayer flows to the filler from the infiltration hole on the protection tube again, and the setting of rubble layer can keep apart the filler in water injection pipe and the heat transfer well, prevents to block up the water injection pipe in the filler entering water injection hole.
Preferably, the circuit on the vent pipe is a U-shaped circuit, and adjacent pipes forming the U-shaped circuit of the vent pipe are connected through a double U-shaped head.
Through adopting above-mentioned technical scheme, two U type heads have realized the switching-over of air pipe in the stratum, when connecting, only need be connected to the different port departments of two U type heads with each straight tube and can realize the switching-over to the quantity of the U-shaped return circuit of connecting can be controlled at will, makes the pipeline make the degree of difficulty littleer, and the adaptability during connection is stronger.
Preferably, the heat exchange well is located below a foundation of the box-type substation, one end, where the air inlet pipe enters the box-type substation, of the air inlet pipe is located below the box-type substation, and one end, where the air outlet pipe extracts air from the box-type substation, of the air inlet pipe is located at the upper portion of the box-type substation.
Through adopting above-mentioned technical scheme, because hot-air has the trend of upwards flowing, consequently, through above-mentioned connected mode for the air-duct sends into cold air from box-type substation below, and the cold air upwards flows with higher speed hot-air, then takes away the hot-air that flows to the inside top of box-type substation, realizes the exchange to the air in the box-type substation, and the cooling effect is better. Meanwhile, the box-type substation is located above the heat exchange well, the heat exchange well is protected to a certain degree, damage to the ventilation pipeline caused by external force is prevented, and therefore the service life of the ventilation pipeline is longer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the interior of the box-type substation is communicated with the outside ambient air on the earth surface or the underground air in different seasons, so that the temperature in the box-type substation is reduced, the heat dissipation of the box-type substation is carried out by reasonably utilizing the heat in nature and exchanging the heat, and a large amount of energy waste is avoided;
2. through putting into water absorption filler in the heat transfer well to set up the water injection pipe, will absorb water the filler and soak through the water injection pipe water injection, make the filler release more heat in the unit interval for the air current in the air pipe, improve the efficiency of heat exchange.
Drawings
Fig. 1 is a schematic overall structure diagram of a box-type substation heat dissipation system according to the present application.
Fig. 2 is a schematic view of the structure of the water injection pipe.
Description of reference numerals: 1. a box-type substation; 2. a ventilation port; 3. a heat insulation window; 4. an air duct; 5. an air pump; 6. an on-off valve; 7. a double U-shaped head; 8. a heat exchange well; 9. a filler; 10. a water injection pipe; 101. a water injection hole; 11. protecting the tube; 111. a water seepage hole; 12. a crushed stone interlayer; 13. a gas storage cavity; 14. a water storage cavity.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The utility model provides a box-type substation cooling system, refer to fig. 1, include the heat transfer well 8 with 1 gas circuit intercommunication of box-type substation, set up scavenge port 2 on 1 lateral wall of box-type substation and set up open closed thermal-insulated window 3 on scavenge port 2, in order to prevent that moist air from entering into box-type substation 1 through scavenge port 2, be provided with waterproof ventilated membrane on scavenge port 2, the structure of thermal-insulated window 3 is the double glazing structure, when thermal-insulated window 3 closes, reach the purpose that the separation heat passes through scavenge port 2 at the inside and outside exchange of box-type substation 1. The heat exchange well 8 is located below the foundation of the box-type substation 1, and a partition device is arranged between the heat exchange well 8 and the gas circuit of the box-type substation 1.
Referring to fig. 1, in order to prevent the underground humid air from entering the box-type substation 1, the air flow between the box-type substation 1 and the heat exchange well 8 in this embodiment is not directly communicated, but an air duct 4 is provided, an air pump 5 is connected to the air duct 4, one end of the air duct 4, which enters the box-type substation 1, is located at the bottom of the box-type substation 1, one end of the air duct 4, which extracts air from the box-type substation 1, is located above the side wall of the box-type substation 1, the middle of the air duct 4 is embedded in the heat exchange well 8 and extends to the bottom of the heat exchange well 8, and the partition device is a switch valve 6.
Referring to fig. 1, in order to avoid the inside air of box-type substation 1 to concentrate from one inflow and outflow air pipe 4, cause that the air circulation route is single and flow at the excessive speed, be provided with gas storage chamber 13 between 4 both ends of air pipe and the box-type substation 1 respectively, gas storage chamber 13 is fixed in on the diapire and the lateral wall of box-type substation 1 respectively, air pipe 4 is connected to one side that box-type substation 1 was kept away from in every gas storage chamber 13, a plurality of gas pockets have been seted up between one side that is close to box-type substation 1 and the box-type substation 1, inside and gas storage chamber 13 of gas pocket. How six air flows out of the box-type substation 1 respectively through the plurality of air holes in the corresponding air storage cavities 13, so that the air flows more stably, and the temperature change of all places in the box-type substation 1 is relatively more uniform.
Referring to fig. 1, a plurality of U-shaped loops are formed at the bottom of a heat exchange well 8 by an air duct 4, a filler 9 is arranged in the heat exchange well 8, the filler 9 is a water-absorbing filler 9, preferably, backfill is used as the filler 9, the loops on the air duct 4 are U-shaped loops, and adjacent ducts forming the U-shaped loops of the air duct 4 are connected by a double U-shaped head 7. The loop inside the ventilation pipe 4 allows air to pass through the bottom of the heat exchange well 8 for a longer time, so that more sufficient heat exchange is performed with the inside of the heat exchange well 8, and the temperature of the air entering the box-type substation 1 from the ventilation pipe 4 is lower; after setting up filler 9 in heat transfer well 8, compare in the structure of no filler 9 in heat transfer well 8, filler 9 and vent pipe 4 outer wall direct contact back, heat exchange efficiency is higher, has further guaranteed that the air current in the vent pipe can enter into box-type substation 1 with lower temperature.
Referring to fig. 1 and 2, a water injection pipe 10 is embedded in the heat exchange well 8, one end of the water injection pipe 10 is embedded in the filler 9 in the heat exchange well 8, the other end of the water injection pipe is connected with a water storage cavity 14 above the ground, one end of the water injection pipe 10 embedded in the filler 9 is provided with a plurality of water injection holes 101, the one end of the water injection pipe 10 in the heat exchange well 8 is externally provided with a protection pipe 11, the wall of the protection pipe 11 is provided with water seepage holes 111, and a broken stone interlayer 12 is filled between the water injection pipe 10 and the protection pipe 11. Water in the water storage cavity 14 flows into the heat exchange well 8 through the water injection pipe 10, flows into the gravel interlayer 12 through the water injection holes, flows into the filler 9 from the water seepage holes in the protection pipe 11 through the gravel interlayer 12, and wets the filler 9, and because the specific heat capacity of the water is large, the filler 9 can release more heat to the airflow in the ventilation pipeline 4 in unit time, and the heat exchange efficiency is improved.
The implementation principle of a box-type substation cooling system in the embodiment of the application is as follows: when the earth's surface temperature is higher in summer, the underground temperature is lower, at this moment, heat exchange well 8 transmits the underground temperature to box-type substation 1 in, make the inside temperature of box-type substation 1 reduce, simultaneously, in order to prevent that external hot-air from entering into box-type substation 1 through scavenge port 2 inside, lead to the inside temperature of box-type substation 1 to rise, can close thermal-insulated window 3, the circulation of a large amount of air in separation external air and the box-type substation 1, thereby reach the higher problem of temperature in the box-type substation 1 in control summer from two aspects, and this in-process is only to the utilization of the underground energy, and need not to add great power consumption equipment and carry out forced refrigeration, reach the saving and the effect of rational utilization to the energy. In winter, the ground surface temperature is lower, the underground temperature is higher than the ground surface temperature, the heat insulation window 3 can be opened at the moment, and a heat exchange path between the heat exchange well 8 and the box-type substation 1 is cut off through the partition device, so that the underground temperature is prevented from being transmitted into the box-type substation 1 while heat exchange is carried out on the air inside and outside the box-type substation 1, and the temperature in the box-type substation 1 is reduced. The heat dissipation to box-type substation 1 in different seasons is all gone on through heat in to the nature rational utilization and the heat exchange, can not cause a large amount of energy extravagant to simple structure, it is effectual to cool down.
When the box-type substation 1 is close to the building, the ventilation pipeline 4 in the application can not extend into the heat exchange well 8, but is directly connected to the pipeline in the ground source heat pump system of the building to realize heat exchange between the interior of the box-type substation 1 and the ground, so that the purpose of cooling is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a box-type substation cooling system which characterized in that: include with heat transfer well (8) of box-type substation (1) gas circuit intercommunication, locate scavenge port (2) on box-type substation (1) lateral wall with locate openable thermal-insulated window (3) on scavenge port (2), heat transfer well (8) with be equipped with the cut-off device between box-type substation (1) gas circuit.
2. The box substation heat dissipation system of claim 1, wherein: an air duct (4) is arranged between the box-type substation (1) and the heat exchange well (8), two ends of the air duct (4) are respectively communicated into the box-type substation (1), the middle of the air duct is embedded in the heat exchange well (8) and extends to the bottom of the heat exchange well (8), an air pump (5) is connected onto the air duct (4), and the partition device is a switch valve (6) arranged on the air duct (4).
3. The box substation heat dissipation system of claim 1, wherein: and gas storage cavities (13) are respectively arranged between the two ends of the gas storage pipeline (4) and the box-type substation (1), one side of each gas storage cavity (13) is connected with the gas storage pipeline (4), a plurality of gas holes are arranged between one side close to the box-type substation (1) and the box-type substation (1), and the gas holes are communicated with the inside of the box-type substation (1) and the inside of the gas storage cavities (13).
4. The box substation heat dissipation system of claim 2, wherein: the ventilation pipelines (4) form a plurality of loops at the bottom of the heat exchange well (8), and the filler (9) is arranged in the heat exchange well (8).
5. The box substation heat dissipation system of claim 4, wherein: the filler (9) is a water-absorbing filler, a water injection pipe (10) is buried in the heat exchange well (8), one end of the water injection pipe (10) is buried in the filler (9) in the heat exchange well (8), the other end of the water injection pipe is connected with a water storage cavity (14), and a plurality of water injection holes (101) are formed in one end of the filler (9) in which the water injection pipe (10) is buried.
6. The box substation heat dissipation system of claim 5, wherein: water injection pipe (10) are located one end outside in heat exchange well (8) is equipped with protection tube (11), infiltration hole (111) have been seted up on protection tube (11) wall, water injection pipe (10) with be equipped with rubble interlayer (12) between protection tube (11).
7. The box substation heat dissipation system of claim 4, wherein: the loop on the vent pipe (4) is a U-shaped loop, and adjacent pipes forming the U-shaped loop of the vent pipe (4) are connected through double U-shaped heads (7).
8. The box substation heat dissipation system of claim 1, wherein: the heat exchange well (8) is located below the foundation of the box-type substation (1), one end, through which air enters the box-type substation (1), of the air vent pipeline (4) is located below the box-type substation (1), and one end, through which air is exhausted from the box-type substation (1), of the air vent pipeline (4) is located on the upper portion of the box-type substation (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652531.4A CN111668739A (en) | 2020-07-08 | 2020-07-08 | Box-type substation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652531.4A CN111668739A (en) | 2020-07-08 | 2020-07-08 | Box-type substation cooling system |
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| Publication Number | Publication Date |
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| CN111668739A true CN111668739A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010652531.4A Pending CN111668739A (en) | 2020-07-08 | 2020-07-08 | Box-type substation cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116759928A (en) * | 2023-08-18 | 2023-09-15 | 凯钟电气集团有限公司 | Box-type substation |
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| CN2722099Y (en) * | 2004-06-29 | 2005-08-31 | 宫能和 | Air circulating regulator by underground thermostatic layer |
| CN201555317U (en) * | 2009-12-08 | 2010-08-18 | 范雄 | Air-conditioning system for gas exchange in ground-source pipe |
| CN202431018U (en) * | 2011-08-16 | 2012-09-12 | 曾文水 | House with air conditioning function |
| CN205566967U (en) * | 2016-04-27 | 2016-09-07 | 广州宏创节能科技有限公司 | Special cooling device of high efficiency low energy consumption high -voltage inverter |
| CN107613735A (en) * | 2017-10-11 | 2018-01-19 | 国网四川省电力公司自贡供电公司 | A kind of electric power box of energy-saving cool-down |
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2020
- 2020-07-08 CN CN202010652531.4A patent/CN111668739A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2722099Y (en) * | 2004-06-29 | 2005-08-31 | 宫能和 | Air circulating regulator by underground thermostatic layer |
| CN201555317U (en) * | 2009-12-08 | 2010-08-18 | 范雄 | Air-conditioning system for gas exchange in ground-source pipe |
| CN202431018U (en) * | 2011-08-16 | 2012-09-12 | 曾文水 | House with air conditioning function |
| CN205566967U (en) * | 2016-04-27 | 2016-09-07 | 广州宏创节能科技有限公司 | Special cooling device of high efficiency low energy consumption high -voltage inverter |
| CN107613735A (en) * | 2017-10-11 | 2018-01-19 | 国网四川省电力公司自贡供电公司 | A kind of electric power box of energy-saving cool-down |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116759928A (en) * | 2023-08-18 | 2023-09-15 | 凯钟电气集团有限公司 | Box-type substation |
| CN116759928B (en) * | 2023-08-18 | 2023-11-24 | 凯钟电气集团有限公司 | Box-type substation |
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Application publication date: 20200915 |