CN110445042B - Box-type substation - Google Patents
Box-type substation Download PDFInfo
- Publication number
- CN110445042B CN110445042B CN201910805652.5A CN201910805652A CN110445042B CN 110445042 B CN110445042 B CN 110445042B CN 201910805652 A CN201910805652 A CN 201910805652A CN 110445042 B CN110445042 B CN 110445042B
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- transformer
- box
- gear
- pipe
- opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a box-type transformer substation, relates to the technical field of transformer substations, and mainly aims to cool a transformer and prevent dust from depositing on the transformer. The main technical scheme of the invention is as follows: a box substation, comprising: the air conditioner comprises a box body, an air inlet part and an air outlet part; the transformer is arranged in the box body; the air inlet part comprises an air inlet pipe, a fan, an air outlet pipe and a spiral pipe which are sequentially connected, the spiral pipe is positioned in the box body and is wound on the transformer, a plurality of exhaust holes are uniformly distributed on the pipe wall of the spiral pipe, and each exhaust hole faces the transformer; the exhaust portion includes the discharge, the piston cylinder, passes the push rod, disc and support, and the piston cylinder is equipped with relative first opening and second opening, and the piston is equipped with the pressure release hole, and sliding connection in the piston cylinder, and the one end of discharge is connected in the box, and the other end is connected in first opening, passes the one end rotation of push rod and connects in the piston, and the other end passes the second opening, and rotates the edge of connecting in the disc for accept external drive power.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to a box type transformer substation.
Background
With the rapid development of economic construction and the acceleration of urbanization process in China, various business buildings, public supporting buildings and residential groups are continuously emerged all over the country; box-type substations have been widely used in various places as supporting power facilities.
The box-type transformer substation is a high-voltage switch device, a distribution transformer and a low-voltage distribution device, is factory prefabricated indoor and outdoor compact distribution equipment which is integrated according to a certain wiring scheme, namely, the functions of high-voltage power receiving, transformer voltage reduction, low-voltage distribution and the like are organically combined together and installed in a moistureproof, antirust, rat-proof, fireproof, antitheft, heat-insulating, totally-enclosed and movable steel structure box body, is mechanically and electrically integrated and operates in a totally-enclosed manner, is particularly suitable for urban network construction and transformation, and is a brand-new transformer substation rising after civil engineering transformer substations. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil power distribution room and power distribution station, and becomes a novel complete set of power transformation and distribution device.
The known box-type substation comprises surrounding walls, a closed roof is fixed above the walls, and shutters are arranged on the front and back or left and right corresponding side surfaces of the walls.
When the box-type substation is used, the inventor finds that at least the following problems exist in the prior art:
for the box body with the side face adopting the louver design, the probability that external dust enters the box body through the louver is increased, the dust entering the box body is deposited in a gap on the surface of the transformer and is not easy to be discharged out of the box body again, so that dust media among transformer coils are increased, the conductivity of the media is increased, and the probability of leakage breakdown of the transformer is increased.
Disclosure of Invention
In view of this, the present invention provides a box-type substation, which mainly aims to cool a transformer and prevent dust from depositing on the surface of the transformer.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
the invention provides a box-type substation, which comprises: the air conditioner comprises a box body, an air inlet part and an air outlet part; the power converter is arranged in the box body; the air inlet part comprises an air inlet pipe, a fan, an air outlet pipe and a spiral pipe which are sequentially connected, the spiral pipe is positioned in the box body and is wound around the periphery of the transformer, a plurality of exhaust holes are uniformly distributed on the pipe wall of the spiral pipe, and each exhaust hole faces the transformer; the exhaust part comprises a gas collecting pipe, a piston cylinder, a transmission push rod, a disc and a support, wherein the piston cylinder is provided with a first opening and a second opening which are opposite, the piston is provided with a pressure relief hole and is connected with the piston cylinder in a sliding manner, one end of the gas collecting pipe is connected with the box body, the other end of the gas collecting pipe is connected with the first opening, one end of the transmission push rod is rotatably connected with the piston, the other end of the transmission push rod penetrates through the second opening and is rotatably connected with the edge of the disc, and the center of the disc is rotatably connected with the support and is used for receiving external driving.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Optionally, the fan further comprises an incomplete gear, a first complete gear, a second complete gear and a third complete gear, a central shaft of the incomplete gear is connected with a power input mechanism, the incomplete gear and the third complete gear are coaxially connected, the incomplete gear is meshed with the second complete gear, the third complete gear is meshed with the first complete gear, the first complete gear is mounted on an input shaft of the fan, and the second complete gear is coaxially connected with the disc.
Optionally, the central angle of the incomplete gear is 180 degrees.
Optionally, the gas collecting device further comprises a plurality of branch pipes, wherein one end of each branch pipe is connected to the periphery of the box body, and the other end of each branch pipe is connected to one end of the gas collecting pipe.
Optionally, a filter is connected to an axial side wall of the piston cylinder for collecting dust.
Optionally, the filter and the piston cylinder form a Y-shaped structure, the filter is tubular, and a free end of the filter is inclined towards the second opening and detachably connected with a sealing cover.
By the technical scheme, the invention at least has the following advantages:
when the fan is started, outside air flow sequentially passes through the air inlet pipe, the fan and the air outlet pipe to reach the box body, and passes through a plurality of air outlet holes on the pipe wall of the spiral pipe to reach a crack on the surface of the transformer, so that dust in the crack is peeled off from the surface of the transformer; because the piston is provided with the pressure relief hole, airflow which continuously flows from the air inlet pipe to the pressure relief hole is formed, and stripped dust reaches the piston cylinder along with the airflow and is discharged through the pressure relief hole. When the process occurs, the rotating disc drives the pushing rod to move in a reciprocating mode, the pushing rod drives the piston to move in a reciprocating mode in the piston cylinder, and the volume value of a part of space communicated with the piston cylinder and the air collecting pipe changes in a reciprocating mode in a certain interval; under the prerequisite of fan continuous air feed, the gas pressure value in the box lasts takes place the height and changes, and the dust on transformer surface receives atmospheric pressure inconstant promptly, plays the vortex effect to the dust in the gap, avoids being adhered to the surface in the crack of transformer once more by the dust of peeling off, and the air pressure of reciprocal change is exerted on the transformer surface simultaneously, itself also is favorable to once peeling off transformer surface dust.
In summary, the continuously flowing air flow further prevents the dust from depositing on the surface of the transformer while cooling the transformer compared with the prior art.
Drawings
Fig. 1 is a schematic structural diagram of a box-type substation according to an embodiment of the present invention;
fig. 2 is a top view of a power part of a box-type substation according to an embodiment of the present invention.
Reference numerals in the drawings of the specification include: the device comprises a box body 1, an air inlet pipe 2, a fan 3, an air outlet pipe 4, a spiral pipe 5, an air collecting pipe 6, a piston 7, a piston cylinder 8, a push-and-pull rod 9, a disc 10, a second opening 11, an incomplete gear 12, a first complete gear 13, a second complete gear 14, a motor 15, a third complete gear 16, a branch pipe 17, a filter 18 and a sealing cover 19.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, an embodiment of the present invention provides a box substation, including: the air conditioner comprises a box body 1, an air inlet part and an air outlet part; the box body 1 is used for placing a power converter; the air inlet part comprises an air inlet pipe 2, a fan 3, an air outlet pipe 4 and a spiral pipe 5 which are sequentially connected, the spiral pipe 5 is positioned in the box body 1 and is wound around the periphery of the transformer, and a plurality of exhaust holes are uniformly distributed on the pipe wall of the spiral pipe 5, and each exhaust hole faces the transformer; exhaust portion includes discharge tube 6, piston 7, piston cylinder 8, pass push rod 9, disc 10 and support, piston cylinder 8 is equipped with relative first opening and second opening 11, piston 7 is equipped with the pressure release hole, and sliding connection is in piston cylinder 8, discharge tube 6's one end is connected in box 1, the other end is connected in first opening, the one end rotation of push rod 9 is connected in piston 7, the other end passes second opening 11, and rotate the edge of connecting in disc 10, the center rotation of disc 10 is connected in the support, a drive power for accept external world.
The working process of the box-type substation is as follows:
when the fan 3 is started, external airflow reaches the box body 1 through the air inlet pipe 2, the fan 3 and the air outlet pipe 4 in sequence, and reaches a crack on the surface of the transformer through a plurality of air outlet holes in the pipe wall of the spiral pipe 5, and dust in the crack is peeled off from the surface of the transformer; because the piston 7 is provided with a relief hole, a continuous flow of air from the intake pipe 2 to the relief hole is formed, and the stripped dust reaches the piston cylinder 8 with the air flow and is discharged through the relief hole. When the process occurs, the rotating disc 10 drives the pushing rod 9 to move in a reciprocating manner, the pushing rod 9 drives the piston 7 to move in the piston cylinder 8 in a reciprocating manner, and the volume value of a part of space communicated with the piston cylinder 8 and the air collecting pipe 6 changes in a reciprocating manner within a certain interval; on the premise that the fan 3 continuously supplies air, the air pressure value in the box body 1 continuously changes, namely the air pressure borne by the dust on the surface of the transformer is not constant, so that the dust in the gap is disturbed, the stripped dust is prevented from being adhered to the surface of the gap of the transformer again, meanwhile, the airflow pressure which changes in a reciprocating mode is applied to the surface of the transformer, and the surface dust of the transformer can be stripped once.
In the technical scheme of the invention, the air flow which continuously flows through the surface of the transformer to take away the heat of the transformer, so that compared with the prior art, the temperature of the transformer is reduced, the dust is further prevented from being deposited on the surface of the transformer, the potential leakage hazard is gradually generated by a voltage device used for a long time, no dust is deposited on the surface of the transformer, the probability that the dust medium is punctured by the leakage of the transformer is reduced, and the probability that an electrical component is short-circuited by the potential leakage hazard is reduced.
As shown in fig. 1, specifically, the second opening 11 faces the bracket, and the size of the second opening 11 is the same as the size of the end face of the piston cylinder 8, so as to provide a space for the thrust rod 9 to swing along the radial direction of the piston cylinder 8, and meanwhile, air exhausted through the pressure relief hole can further flow out of the piston cylinder 8 through the second opening 11, thereby ensuring that heat in the box body 1 is continuously exhausted, and ensuring that dust is continuously exhausted out of the box body 1 along with air flow.
In the specific embodiment, the fan further comprises an incomplete gear 12, a first complete gear 13 and a second complete gear 14, wherein the central shaft of the incomplete gear 12 is connected with a power input mechanism, the incomplete gear 12 is meshed with the first complete gear 13 and the second complete gear 14 respectively, the first complete gear 13 is mounted on the input shaft of the fan 3, and the second complete gear 14 is coaxially connected with the disc 10.
Specifically, the first full gear 13, the incomplete gear 12, and the second full gear 14 are arranged in this order. At the same moment, the incomplete gear 12 only meshes one of the first complete gear 13 and the second complete gear 14, and the input shaft of the fan 3 and the disc 10 cannot simultaneously receive driving force, so that the process of leading air from the air outlet pipe 4 to the box body 1 and the process of changing the air pressure in the box body 1 by the piston 7 alternately occur, and the continuous change of the air pressure in the box body 1 is ensured while the air flow direction in the box body 1 is ensured.
Specifically, the power input mechanism is a motor 15, and an output shaft of the motor 15 is coaxially connected to a central shaft of the incomplete gear 12.
As shown in fig. 2, in the embodiment, a third full gear 16 is further included, the full gear 12 and the third full gear 16 are coaxially connected, the full gear 12 is meshed with the second full gear 14, and the third full gear 16 is meshed with the first full gear 13.
Specifically, the third full gear 16 and the incomplete gear 12 are coaxially connected, so that the angular velocities of the third full gear 16 and the incomplete gear 12 are the same, the third full gear 16 is continuously meshed with the first full gear 13, and the incomplete gear 12 is intermittently meshed with the second full gear 14, so that the fan 3 continuously rotates and continuously supplies air into the box body 1, the disc 10 intermittently rotates, the piston 7 intermittently moves, the air pressure inside the box body 1 intermittently increases or decreases, and the total air flow direction in the box body 1 is also ensured to be unchanged. Compared with the previous embodiment, in the present embodiment, the blower 3 continuously supplies air into the box body 1 and continuously pressurizes the box body 1, so that the change of the total air flow direction in the box body 1 due to the compression action of the piston 7 on the box body 1 is avoided.
As shown in fig. 1, in the embodiment, the central angle of the incomplete gear 12 is 180 degrees.
In this embodiment, specifically, when the radius of the incomplete gear 12 is equal to the radius of the second complete gear 14, the push-pull rod 9 drives the piston 7 to move by a single stroke, the disk 10 rotates by 180 degrees, the second complete gear 14 rotates by 180 degrees, and the incomplete gear 12 rotates by 180 degrees, so that the single stroke of the movement of the piston 7 and the single meshing process of the second complete gear 14 are synchronous, which is beneficial to industrial standardized production of the device.
As shown in fig. 1, in the embodiment, a plurality of branch pipes 17 are further included, and one end of each branch pipe 17 is connected to the peripheral side of the box 1, and the other end is connected to one end of the gas collecting pipe 6.
Specifically, one end of each branch pipe 17 is uniformly distributed on the periphery of the box body 1, and the air flow in the box body 1 synchronously flows through each branch pipe 17, that is, the dust on the surface of the transformer can flow from one branch pipe 17 on the side wall of the box body 1 to the gas collecting pipe 6 nearby, so that the dust at different positions in the box body 1 is ensured to be synchronously discharged out of the box body 1, and the phenomenon of uneven discharge of the dust in the box body 1 is avoided.
As shown in fig. 1 or 2, in a particular embodiment, a filter 18 is attached to an axial side wall of the piston cylinder 8 for collecting dust.
Specifically, the air flow entering the air collecting pipe 6 and reaching the piston cylinder 8 experiences a process from a smaller volume space to a larger volume space, the air flow has turbulence in the piston cylinder 8, dust-containing air of the turbulence can not be discharged out of the piston cylinder 8 through the pressure relief hole in time, the filter 18 can collect part of dust remaining in the piston cylinder 8, and the air in the piston cylinder 8 is prevented from being continuously mixed with dust with higher concentration.
In the embodiment shown in fig. 1 or 2, the filter 18 and the piston cylinder 8 form a Y-shaped structure, the filter 18 is tubular, and the free end of the filter 18 is inclined toward the second opening 11 and is detachably connected with a sealing cover 19.
Specifically, in the present embodiment, the free end of the filter 18 is inclined toward the second opening 11, i.e., inclined toward the flowing direction of the dust-containing air, so that the dust in the airflow is divided with respect to the airflow and is collected in the filter 18; meanwhile, the free end of the filter 18 is closed, so that dust cannot flow back to the piston cylinder 8 while the pressure of the piston cylinder 8 is ensured; the sealing cover 19 is removed periodically, and dust in the filter 18 is removed periodically, so that the dust concentration in the piston cylinder 8 is not higher than that in the box body 1, and the dust is ensured to be diffused normally along with the air flow.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A box substation, comprising:
the box body is used for placing the power converter;
the air inlet part comprises an air inlet pipe, a fan, an air outlet pipe and a spiral pipe which are sequentially connected, the spiral pipe is positioned in the box body and is coiled around the transformer, a plurality of exhaust holes are uniformly distributed on the pipe wall of the spiral pipe, and each exhaust hole faces the transformer;
exhaust portion, exhaust portion includes discharge tube, piston cylinder, passes push rod, disc and support, the piston cylinder is equipped with relative first opening and second opening, the piston is equipped with the pressure release hole, and sliding connection in the piston cylinder, the one end of discharge tube connect in the box, the other end connect in first opening, the one end of passing the push rod rotate connect in the piston, the other end passes the second opening, and rotate connect in the edge of disc, the center of disc rotate connect in the support for accept external drive power.
2. The box substation of claim 1, further comprising an incomplete gear, a first complete gear, a second complete gear and a third complete gear, wherein a power input mechanism is connected to a central shaft of the incomplete gear, the incomplete gear and the third complete gear are coaxially connected, the incomplete gear is meshed with the second complete gear, the third complete gear is meshed with the first complete gear, the first complete gear is mounted on an input shaft of the fan, and the second complete gear and the disc are coaxially connected.
3. A substation according to claim 2, wherein the incomplete gear has a central angle of 180 degrees.
4. A box-type substation according to any one of claims 1 to 3, further comprising a plurality of branch pipes, each of which has one end connected to the peripheral side of the box body and the other end connected to one end of the header pipe.
5. A substation according to any of claims 1 to 3, wherein filters are attached to the axial side walls of the cylinders for collecting dust.
6. A substation according to claim 5, wherein the filter and the piston cylinder form a Y-shaped structure, the filter is tubular and has a free end inclined towards the second opening and a gland removably attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805652.5A CN110445042B (en) | 2019-08-29 | 2019-08-29 | Box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805652.5A CN110445042B (en) | 2019-08-29 | 2019-08-29 | Box-type substation |
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| Publication Number | Publication Date |
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| CN110445042A CN110445042A (en) | 2019-11-12 |
| CN110445042B true CN110445042B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910805652.5A Active CN110445042B (en) | 2019-08-29 | 2019-08-29 | Box-type substation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112845063A (en) * | 2021-01-04 | 2021-05-28 | 曾福林 | Medical treatment is with medicinal material dehumidification and screening installation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0697631A (en) * | 1992-09-14 | 1994-04-08 | Japan Energy Corp | Electroless plating method and equipment |
| CN105161991A (en) * | 2015-10-12 | 2015-12-16 | 夏烬楚 | Dedusting 10 kv switch cabinet |
| CN207868691U (en) * | 2018-03-17 | 2018-09-14 | 许正怡 | A kind of electric system is incorporated into the power networks attachment device |
| CN208142650U (en) * | 2018-05-18 | 2018-11-23 | 东北石油大学 | A kind of distribution box of automatic low-temp drying, dedusting |
| CN209169760U (en) * | 2018-11-30 | 2019-07-26 | 广东恺顺达电气有限公司 | A kind of high-voltage metering cubicle with dedusting and heat sinking function |
-
2019
- 2019-08-29 CN CN201910805652.5A patent/CN110445042B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0697631A (en) * | 1992-09-14 | 1994-04-08 | Japan Energy Corp | Electroless plating method and equipment |
| CN105161991A (en) * | 2015-10-12 | 2015-12-16 | 夏烬楚 | Dedusting 10 kv switch cabinet |
| CN207868691U (en) * | 2018-03-17 | 2018-09-14 | 许正怡 | A kind of electric system is incorporated into the power networks attachment device |
| CN208142650U (en) * | 2018-05-18 | 2018-11-23 | 东北石油大学 | A kind of distribution box of automatic low-temp drying, dedusting |
| CN209169760U (en) * | 2018-11-30 | 2019-07-26 | 广东恺顺达电气有限公司 | A kind of high-voltage metering cubicle with dedusting and heat sinking function |
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| CN110445042A (en) | 2019-11-12 |
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