CN111092392B - Rotary prefabricated substation convenient to maintain - Google Patents
Rotary prefabricated substation convenient to maintain Download PDFInfo
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- CN111092392B CN111092392B CN201911405842.4A CN201911405842A CN111092392B CN 111092392 B CN111092392 B CN 111092392B CN 201911405842 A CN201911405842 A CN 201911405842A CN 111092392 B CN111092392 B CN 111092392B
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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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
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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)
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Abstract
The invention discloses a rotary type prefabricated substation convenient to maintain, which comprises a distribution box body, wherein the distribution box body comprises a transformer box base, an air inlet cavity, a shell and distribution room units, a cylindrical heat dissipation cavity is formed in the center of the transformer box base, an auxiliary heat dissipation mechanism is arranged in the cylindrical heat dissipation cavity, a plurality of distribution room units are annularly arranged at the position of the bottom end edge of the transformer box base at equal intervals, each distribution room unit comprises a rectangular distribution cavity, a linkage support and a driving mechanism, the linkage support and the driving mechanism are used for fixing distribution instruments, the air inlet cavity is formed between every two adjacent rectangular distribution cavities, and the center of the bottom end of the transformer box base is fixed in an upper hole in the inner bottom of the shell through a driving rotating shaft.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to a rotary type prefabricated transformer substation convenient to maintain.
Background
The box-type transformer substation is called a prefabricated substation or a prefabricated substation, is compact distribution equipment which integrates and installs high-voltage switch equipment, a distribution transformer and a low-voltage distribution device, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and installed in a moistureproof, antirust, dustproof, rat-proof, fireproof, antitheft, heat-insulating, totally-enclosed and movable steel structure box, is particularly suitable for urban network construction and transformation, and is a brand-new transformer substation which is built up after a civil engineering transformer substation. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil power distribution rooms and power distribution stations, becomes a novel complete set of power transformation and distribution device, and has the characteristics of small volume, small occupied area, light weight, low manufacturing cost, reliability and the like.
However, when the existing preassembled transformer substation is overhauled, various devices inside the substation need to be dismantled one by one, and then the substation can be overhauled one by one, so that trouble finding and overhauling are inconvenient.
Disclosure of Invention
The invention aims to provide a rotary type preassembled transformer substation convenient to maintain so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a rotary type preassembled transformer substation convenient to maintain comprises a distribution box body, wherein the distribution box body comprises a transformer box base, an air inlet cavity, a shell and distribution room units, the shell is of a cylindrical structure with an upward opening, the transformer box base is of a circular truncated cone-shaped structure with diameters gradually increasing from top to bottom, a cylindrical heat dissipation cavity communicated with the external environment is formed in the center of the transformer box base along the height direction of the transformer box base, an auxiliary heat dissipation mechanism is arranged in the cylindrical heat dissipation cavity, a plurality of distribution room units are arranged at the bottom edge of the transformer box base in an equidistant mode, each distribution room unit comprises a rectangular distribution cavity perpendicular to the bottom end face of the transformer box base, a linkage support used for fixing a distribution instrument and a driving mechanism used for driving the linkage support to move, one side, far away from the cylindrical heat dissipation cavity, of the rectangular distribution cavity is an inlet and an outlet of the distribution instrument, the center of the bottom end of the transformer box base is fixed to the inner bottom end of the shell through a driving rotating shaft, a driven gear is fixed to one side, a second motor is fixed to one side, and a driving gear matched with the output end of the second motor;
the driving mechanism comprises a screw rod horizontally fixed on the bottom end face of the rectangular power distribution chamber through a bearing, a first motor connected with one end of the screw rod through a coupler and a sliding block fixed on the screw rod and in sliding connection with the screw rod, and the first motor is fixed on the bottom end face of one side, close to the cylindrical heat dissipation cavity, of the rectangular power distribution chamber;
the linkage support comprises a sliding plate which is positioned right above the screw rod and fixed on the sliding block, a switch door and a fixed rod which are respectively hinged on the left side and the right side of the upper end face of the sliding plate, a bar-shaped fixed plate which is positioned between the switch door and the fixed rod and is arranged at equal intervals along the height direction of the rectangular power distribution cavity, and power distribution instruments which are respectively fixed on the sliding plate and the bar-shaped fixed plate, wherein one end of the sliding plate, which is close to the cylindrical heat dissipation cavity, is fixed with a gear rotating shaft perpendicular to the screw rod through a bearing, and the gear rotating shaft is fixed with a gear I near the two ends of the gear rotating shaft, a rack plate which is matched with the gear I is fixed on the inner wall of the rectangular power distribution cavity, the rack plate is parallel to the screw rod, one end of the sliding plate, which is close to the cylindrical heat dissipation cavity, is provided with a abdicating hole matched with the rack plate, the fixed rod is provided with two heat dissipation holes, the two fixed rods are fixed on the two end points of the gear rotating shaft, the bar-shaped fixed plate is positioned on the same horizontal plane, the two ends of each bar-shaped fixed plate are respectively and are correspondingly hinged on the switch door and the same horizontal plane, the two bar-shaped power distribution cavity, one end of the rectangular power distribution cavity is uniformly distributed with the heat dissipation tubes, and the heat dissipation tubes are uniformly distributed on the surface of the same horizontal plane.
All be equipped with the air inlet cavity that the cross-section is the sector between per two adjacent rectangle distribution cavities, and rectangle distribution cavity, air inlet cavity and transformer box base integrated into one piece, rectangle distribution cavity, air inlet cavity be close to transformer box base one side the lateral wall and with the transformer box base the lateral wall between form the round platform shape heat dissipation cavity the same with transformer box base shape, and the lateral wall evenly distributed of rectangle distribution cavity have with the through-hole of air inlet cavity intercommunication, the top of air inlet cavity is the open end, and evenly distributed has the fresh air inlet on the lateral wall that the casing corresponds the air inlet cavity, the casing lateral wall set up one with the exit end of switch door looks adaptation, and the exit end is last to articulate has the dodge gate.
Preferably, a row of switch button groups are fixed on one side of the shell close to the movable door, and the switch button groups are respectively and electrically connected with the first motor and the second motor.
Preferably, the auxiliary heat dissipation mechanism comprises a heat dissipation shaft vertically fixed in the cylindrical heat dissipation cavity through a bearing, and heat dissipation turbines and fan blades fixed on the heat dissipation shaft are fixed at equal intervals in the height direction of the heat dissipation shaft.
Preferably, the top end of the heat dissipation shaft vertically extends to the upper end of the base of the transformer box, and the fan blades are fixed outside the upper end of the base of the transformer box, and the base of the transformer box is located right above the fan blades and is fixed with a rain cover through a support rod.
Preferably, the length of the strip-shaped fixing plates is equal to the width of the rectangular power distribution chamber.
Compared with the prior art, the invention has the beneficial effects that:
(1) The power distribution room units comprise rectangular power distribution chambers perpendicular to the end face of the base of the transformer box, linkage supports for fixing power distribution instruments and driving mechanisms for driving the linkage supports to move.
(1) The driving mechanism comprises a screw rod horizontally fixed on the bottom end face of the rectangular power distribution chamber through a bearing, a first motor connected with one end of the screw rod through a coupler and a sliding block fixed on the screw rod and in sliding connection with the screw rod, and the first motor is fixed on the bottom end face of one side, close to the cylindrical heat dissipation cavity, of the rectangular power distribution chamber.
(2) The linkage support comprises a sliding plate, a switch door and a fixed rod, the sliding plate is located right above the screw rod and fixed on the sliding block, the switch door and the fixed rod are hinged to the left side and the right side of the upper end face of the sliding plate respectively, the bar-shaped fixed plate is located between the switch door and the fixed rod and arranged at equal intervals along the height direction of the rectangular power distribution cavity, and power distribution instruments are fixed on the sliding plate and the bar-shaped fixed plate respectively, one end, close to the cylindrical heat dissipation cavity, of the upper end of the sliding plate is fixed with a gear rotating shaft perpendicular to the screw rod through a bearing, the gear rotating shaft is fixed with a first gear in a position symmetry mode close to two ends of the gear rotating shaft, a rack plate adaptive to the first gear is fixed on the inner wall of the rectangular power distribution cavity, the rack plate is parallel to the screw rod, a abdicating hole adaptive to the rack plate is formed in one end, close to the cylindrical heat dissipation cavity, the fixed rods are fixed at two end points of the gear rotating shaft, the bar-shaped fixed plates are located on the same horizontal plane, and two ends of each bar-shaped fixed plate are correspondingly hinged to the switch door and the fixed rods respectively.
(2) It can be known from (1) that when a power distribution instrument in a rectangular power distribution chamber has a problem, a maintenance worker only needs to press a corresponding switch button, at the moment, a motor corresponding to the screw rod starts to drive the screw rod to rotate, the screw rod rotates, meanwhile, a sliding block matched with the screw rod moves to the other end of the screw rod along one end, close to the motor, of the screw rod, a sliding plate fixed at the upper end of the sliding block further moves towards one end, where an inlet and an outlet of the power distribution instrument are located, of the bottom end of the rectangular power distribution chamber, and meanwhile, a fixed rod and a switch door are driven by a gear matched with the screw rod to incline towards one end, where the switch door is located, of the motor under the action of a rack plate, and as two ends of a strip-shaped fixed plate are respectively and correspondingly hinged on side walls of the fixed rod and the switch door, each fixed rod and the power distribution instrument fixed on the fixed rod are always parallel to the ground in the moving process of the whole linkage bracket, meanwhile, when the linkage support passes through the outlet end from the rectangular power distribution chamber and moves to the outside of the shell, the distance between every two fixing plates above the sliding plate in the longitudinal direction is reduced, meanwhile, the linkage support greatly reduces the initial height of other power distribution instruments outside the power distribution instrument positioned on the sliding plate in the moving process, so that maintenance workers can conveniently maintain or arrange and inspect every power distribution instrument without disassembling the power distribution instrument, when the inspection or maintenance is finished, the motor starts to rotate in the reverse direction, the linkage support is driven to recover to the initial position in the rectangular power distribution chamber under the action of the sliding plate while rotating in the reverse direction, when the linkage support recovers to the initial position again, the distance between every two adjacent fixing rods in the longitudinal direction is far greater than the distance between every two adjacent fixing rods outside the rectangular power distribution chamber, the distance between every two adjacent distribution instruments is larger, and therefore heat dissipation of the distribution instruments in each distribution room unit is facilitated.
(3) The distribution box body comprises a transformer box base, an air inlet cavity, a shell and a distribution chamber unit, the distribution box body is of a cylindrical structure, the transformer box base is of a circular truncated cone structure with the diameter gradually increasing from top to bottom, a cylindrical heat dissipation cavity communicated with the external environment is formed in the center of the transformer box base along the height direction of the transformer box base, an air inlet cavity with a sector-shaped cross section is arranged between every two adjacent rectangular distribution cavities, the rectangular distribution cavity, the air inlet cavity and the transformer box base are integrally formed, the rectangular distribution cavity and the air inlet cavity are close to the side wall of one side of the transformer box base and form a circular truncated cone-shaped heat dissipation cavity with the same shape as the transformer box base with the side wall of the transformer box base, through holes communicated with the air inlet cavity are uniformly distributed on the side wall of the rectangular distribution cavity, the top end of the air inlet cavity is an open end, and air inlet holes are uniformly distributed on the side wall of the shell corresponding to the air inlet cavity, the external air enters the air inlet chamber through the air inlet hole, part of the air entering the air inlet chamber enters the rectangular power distribution chamber through the through hole, the other part of the air moves towards the upper end port of the circular-truncated-cone-shaped heat dissipation chamber along the inner wall of the circular-truncated-cone-shaped heat dissipation chamber, the heat dissipation pipes are horizontally fixed on one side of the rectangular power distribution chamber close to the base of the transformer box at equal intervals along the height direction of the rectangular power distribution chamber, one ends of the heat dissipation pipes are communicated with the cylindrical heat dissipation chamber, heat dissipation holes are uniformly distributed in the surface of the heat dissipation pipes, the air entering the rectangular power distribution chamber can only enter the heat dissipation pipes, one part of the air entering the heat dissipation pipes directly enters the cylindrical heat dissipation chamber through the heat dissipation pipes and is discharged to the outside from the upper end port of the cylindrical heat dissipation chamber, and the other part of the air entering the heat dissipation pipes enters the circular-truncated-cone-shaped heat dissipation chamber from the heat dissipation holes in the heat dissipation chamber and is discharged to the outside from the circular-truncated-cone-shaped heat dissipation chamber The air in the air inlet cavity moves to the upper end port of the circular truncated cone-shaped heat dissipation cavity along the inner wall of the circular truncated cone-shaped heat dissipation cavity and simultaneously pushes the air entering the circular truncated cone-shaped heat dissipation cavity from the heat dissipation holes in the heat dissipation pipes to be discharged to the outside from the upper end port of the circular truncated cone-shaped heat dissipation cavity, the air flowing into the heat dissipation pipes from the rectangular power distribution cavity flows out from the heat dissipation pipes, and the heat generated by a power distribution instrument in the rectangular power distribution cavity drives the outside air along with the air, so that the heat dissipation effect is achieved.
(4) The auxiliary heat dissipation mechanism comprises a heat dissipation shaft vertically fixed in a cylindrical heat dissipation cavity through a bearing, heat dissipation turbines and fan blades fixed on the heat dissipation shaft, wherein the heat dissipation turbines and the fan blades are fixed at equal intervals along the height direction of the heat dissipation shaft.
(5) Can by (3) and (4), under the effect of external wind power, make the flabellum rotate, and then drive the heat dissipation axle and the heat dissipation turbine that is located above that rotates together, the heat dissipation turbine is in the pivoted while, the gas that will enter into in the radiator pipe is inhaled cylindrical heat dissipation intracavity and is discharged from the last port in cylindrical heat dissipation chamber, thereby gaseous flow accelerates, further raise radiating efficiency and radiating effect, and convert wind energy into kinetic energy drive heat dissipation axle rotation and further improve the radiating effect, make the device have energy-concerving and environment-protective advantage.
(6) The center of the bottom end of the base of the power distribution box is fixed at the bottom end inside the shell through a driving rotating shaft, a driven gear is fixed on the driving rotating shaft, a second motor is fixed on one side of the shell close to the driving rotating shaft, a driving gear matched with the driven gear is fixed at the output end of the second motor, air inlet holes are uniformly distributed in the side wall of the shell corresponding to an air inlet cavity, an outlet end matched with a switch door is formed in the side wall of the shell, a movable door is hinged to the outlet end, a row of switch button groups are fixed on one side of the shell close to the movable door, the switch button groups are electrically connected with the first motor and the second motor respectively, the working states of the first motor and the second motor are controlled through the switch button groups respectively, when the second motor works, the driving gear is driven to rotate due to the mutual matching of the driving gear and the driven rotating shaft, the switch door on a power distribution room unit on the base of the power distribution box is driven to rotate to the outlet end matched with the switch door, the movable door is opened, then the first motor works, the switch door is linked with a support to push the power distribution instrument from the rectangular power distribution cavity to the outlet end of the power distribution room, and workers can maintain the shell correspondingly maintain the shell, and only need to maintain the worker.
(7) According to the rotary type prefabricated substation convenient to maintain, when maintenance is carried out, maintenance personnel can maintain the power distribution instrument in the prefabricated substation only by standing outside the prefabricated substation, maintenance space does not need to be arranged in the prefabricated substation, and the size of the prefabricated substation is reduced.
Therefore, the invention has the advantages of small volume, heat dissipation effect, energy conservation and environmental protection, and the linkage support is inclined while conveying the power distribution instrument out of the power distribution chamber through the linkage support, so that the initial height of the power distribution instrument at the position is greatly reduced, and the maintenance of each power distribution instrument by a maintenance worker is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;
FIG. 3 is a sectional view of the structure B-B in FIG. 2;
FIG. 4 is a schematic diagram of a structure of a power distribution room unit;
fig. 5 is a schematic view of the deployment of the interlocking stent.
In the figure: 1. a substation box base; 2. a rectangular power distribution chamber; 3. a power distribution instrument; 4. an air inlet chamber; 5. an air inlet hole; 6. a rack plate; 7. opening and closing the door; 8. a cylindrical heat dissipation cavity; 9. a heat-dissipating shaft; 10. a heat-dissipating turbine; 11. a first motor; 12. a gear shaft; 13. a slider; 14. a screw rod; 15. a slide plate; 16. a first gear; 17. a rain cover; 18. a radiating pipe; 19. fixing the rod; 20. a strip-shaped fixing plate; 21. a fan blade; 22. a button switch group; 23. a housing; 24. a movable door; 25. driving the rotating shaft; 26. a driven gear; 27. a second motor; 28. the gear is driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is provided: a rotary type preassembled transformer substation convenient to maintain comprises a distribution box body, wherein the distribution box body comprises a transformer box base 1, an air inlet cavity 4, a shell 23 and distribution room units, the shell 23 is of a cylindrical structure with an upward opening, the transformer box base 1 is of a circular truncated cone-shaped structure with diameters gradually increasing from top to bottom, a cylindrical heat dissipation cavity 8 communicated with the external environment is formed in the center of the transformer box base 1 along the height direction of the transformer box base, an auxiliary heat dissipation mechanism is arranged in the cylindrical heat dissipation cavity 8, a plurality of distribution room units are annularly arranged at equal intervals in the position of the bottom end of the transformer box base 1, each distribution room unit comprises a rectangular distribution cavity 2 perpendicular to the bottom end face of the transformer box base 1, a linkage support for fixing a distribution instrument 3 and a driving mechanism for driving the linkage support to move, an inlet and an outlet of the rectangular distribution cavity 2 far away from the cylindrical heat dissipation cavity 8 are both used for driving the distribution instrument 3, the center of the bottom end of the transformer box base 1 is fixed on the inner bottom end of the shell 23 through a driving rotating shaft 25, a driven gear 26 is fixed on one side of the shell 23, and two output ends of a driving motor 27 are matched with two driving motors 27;
the driving mechanism comprises a screw rod 14 horizontally fixed on the bottom end face of the rectangular power distribution chamber 2 through a bearing, a first motor 11 connected with one end of the screw rod 14 through a coupler, and a sliding block 13 fixed on the screw rod 14 and connected with the screw rod in a sliding manner, wherein the first motor 11 is fixed on the bottom end face of one side, close to the cylindrical heat dissipation cavity 8, of the rectangular power distribution chamber 2;
the linkage support comprises a sliding plate 15 which is located right above a screw rod 14 and fixed on a sliding block 13, a switch door 7 and a fixed rod 19 which are respectively hinged on the left side and the right side of the upper end face of the sliding plate 15, a bar-shaped fixed plate 20 which is located between the switch door 7 and the fixed rod 19 and is arranged at equal intervals along the height direction of a rectangular power distribution cavity 2, and power distribution instruments 3 which are respectively fixed on the sliding plate 15 and the bar-shaped fixed plate 20, one end of the upper end of the sliding plate 15, which is close to a cylindrical heat dissipation cavity 8, is fixed with a gear rotating shaft 12 which is perpendicular to the screw rod 14 through a bearing, the gear rotating shaft 12 is fixed with a gear 16 in a position symmetry mode, the inner wall of the rectangular power distribution cavity 2 is fixed with a gear 6 which is matched with the gear 16, the gear plate 6 is parallel with the screw rod 14, a yielding hole which is matched with the gear plate 6 is formed in a mode that the sliding plate 15 is close to one end of the cylindrical heat dissipation cavity 8 is provided with two yielding holes, the two fixed rods 19 are fixed at two end points of the gear rotating shaft 12, the two fixed plates 20 are arranged on the same horizontal plane, the bar-shaped fixed plate 20 is arranged at a position, the width of the bar-shaped heat dissipation cavity 18, and the rectangular power distribution instrument 18 is distributed at one side of the rectangular heat dissipation cavity, and the rectangular heat dissipation cavity 18, and the rectangular heat dissipation tube 18 is uniformly distributed at the same horizontal plane, and the width of the rectangular heat dissipation cavity 2, and the rectangular heat dissipation cavity 18, and the rectangular heat dissipation tube 18 is uniformly distributed at the same side of the rectangular heat dissipation cavity.
The air inlet cavity 4 with a sector-shaped section is arranged between every two adjacent rectangular power distribution cavities 2, the air inlet cavities 4 and the transformer box base 1 are integrally formed, the rectangular power distribution cavities 2 and the air inlet cavities 4 are close to the side wall of one side of the transformer box base 1 and form a circular truncated cone-shaped heat dissipation cavity with the same shape as the transformer box base 1 with the side wall of the transformer box base 1, when gas enters the air inlet cavity 4, the circular truncated cone-shaped heat dissipation cavity enables the gas to flow to the upper end opening of the circular truncated cone-shaped heat dissipation cavity along the inclined side wall of the gas, through holes communicated with the air inlet cavities 4 are uniformly distributed on the side wall of each rectangular power distribution cavity 2, the top end of each air inlet cavity 4 is an open end, air inlet holes 5 are uniformly distributed on the side wall of each shell 23 corresponding to the corresponding air inlet cavity 4, an outlet end matched with the switch door 7 is formed in the side wall of each shell 23, and a movable door 24 is hinged to the outlet end.
Furthermore, a row of switch button groups 22 are fixed on one side of the shell 23 close to the movable door 24, the switch button groups 22 are respectively and electrically connected with the first motor 11 and the second motor 27, the working states of the first motor 11 and the second motor 27 are respectively controlled through the switch button groups 22, when the second motor 27 works, the driving gear 28 is driven to rotate, the driving gear 28 and the driven gear 26 are matched with each other, so that the driving rotating shaft 25 is driven to rotate, the switch door 7 on the power distribution room unit on the transformer box base 1 is driven to rotate to an outlet end matched with the switch door 7, the movable door 24 is opened, then the first motor 11 is started to work, and under the action of the first motor 11, the linkage support pushes the switch door 7 open, and the power distribution instrument 3 is pushed out of the shell 23 from the rectangular power distribution chamber 2 through the outlet end, so that maintenance of a maintenance worker is facilitated.
Further, supplementary heat dissipation mechanism includes through the vertical heat dissipation axle 9 of fixing in cylindrical heat dissipation chamber 8 of bearing, is fixed with heat dissipation turbine 10 and fixes the flabellum 21 on heat dissipation axle 9 along the equal interval of heat dissipation axle 9 direction of height, and under the effect of external wind power as flabellum 21, drive heat dissipation axle 9 rotates for heat dissipation turbine 10 who fixes on it also rotates thereupon, thereby takes the heat in cylindrical heat dissipation chamber 8 to the ambient air along cylindrical heat dissipation chamber 8.
Further, the top end of the heat dissipation shaft 9 vertically extends to the upper end of the transformer box base 1, a fan blade 21 is fixed outside the upper end of the transformer box base 1, a rain shielding cover 17 is fixed above the transformer box base 1 and located above the fan blade 21 through a support rod, and rainwater is prevented from entering the cylindrical heat dissipation chamber 8 in rainy days.
Further, the length of the strip-shaped fixing plate 20 is equal to the width of the rectangular power distribution chamber 2, so that the switch door 7 is just matched with the entrance and exit of the power distribution instrument 3 on the rectangular power distribution chamber 2.
When the power distribution instrument 3 in the rectangular power distribution chamber 2 is in problem, a maintenance worker only needs to press the corresponding switch button group 22, at the moment, the motor II 27 works and drives the driving gear 28 to rotate, the driving gear 28 and the driven gear 26 are mutually matched, so as to drive the driving rotating shaft 25 to rotate, further drive the switch door 7 on the power distribution chamber unit on the transformer box base 1 to rotate to the outlet end matched with the switch door 7, open the movable door 24, then the corresponding starting motor I11 works, the motor I11 starts to drive the screw rod 14 to rotate, the screw rod 14 rotates, simultaneously, the slide block 13 matched with the screw rod 13 moves to the other end of the screw rod 14 along one end of the screw rod 14 close to the motor I11, further the slide plate 15 fixed at the upper end of the slide block 13 moves to one end of the inlet and outlet of the power distribution instrument 3 along the bottom end of the rectangular power distribution chamber 2, and simultaneously, under the action of the rack plate 6, the first gear 16 matched with the rack plate drives the fixed rod 19 and the switch door 7 to incline towards one end far away from the first motor 11, and as two ends of the strip-shaped fixed plate 20 are correspondingly hinged on the side walls of the fixed rod 19 and the switch door 7 respectively, each fixed rod 19 and the power distribution instrument 3 fixed on the fixed rod are always parallel to the ground in the moving process of the whole linkage bracket, and meanwhile, when the linkage bracket moves from the outlet end of the shell 23 to the outside of the shell 23 in the rectangular power distribution chamber 2, the distance between the fixed plates 19 above the sliding plate 15 in the longitudinal direction is reduced, meanwhile, the initial height of other power distribution instruments 3 outside the power distribution instrument 3 on the sliding plate 15 is greatly reduced in the moving process of the linkage bracket, so that maintenance workers can conveniently maintain or arrange and inspect, after the inspection or the maintenance is finished, the switch button group 22 is pressed again, the motor 11 starts to rotate in the opposite direction, the linkage support is driven to restore to the initial position in the rectangular power distribution chamber 2 under the action of the sliding plate 15 while rotating in the opposite direction, when the linkage support restores to the initial position again, the distance between every two adjacent fixing rods 20 in the longitudinal direction is far larger than the distance of the linkage support outside the rectangular power distribution chamber 2, and therefore the distance between every two adjacent power distribution instruments 3 is large, and heat dissipation of the power distribution instruments 3 in each power distribution room unit is facilitated.
The heat dissipation principle of the device is as follows: because the air inlet chamber 4 with the sector-shaped section is arranged between every two adjacent rectangular power distribution chambers 2, the air inlet holes 5 are uniformly distributed on one side of the air inlet chamber 4 far away from the transformer box base 1, the through holes communicated with the air inlet chamber 4 are uniformly distributed on the side wall of the rectangular power distribution chamber 2, the air inlet chamber 4 is close to the side wall of one side of the transformer box base 1 and forms a circular truncated cone-shaped heat dissipation chamber with the same shape as the transformer box base 1 with the side wall of the transformer box base 1, the outside air enters the air inlet chamber 4 through the air inlet holes 5 on the shell 23, the gas entering the air inlet chamber 4 partially enters the rectangular power distribution chamber 2 through the through holes, the other part of the gas moves to the upper end port of the circular truncated cone-shaped heat dissipation chamber along the inner wall of the circular truncated cone-shaped heat dissipation chamber, and because the heat dissipation pipes 18 are horizontally fixed at equal intervals on one side of the rectangular power distribution chamber 2 close to the transformer box base 1 along the height direction of the rectangular power distribution chamber 2, one end of the radiating pipe 18 is communicated with the cylindrical radiating cavity 8, radiating holes are uniformly distributed on the surface of the radiating pipe 18, gas entering the rectangular distribution cavity 2 can only enter the radiating pipe 18, one part of the gas entering the radiating pipe 18 directly enters the cylindrical radiating cavity 8 through the radiating pipe 18 and is exhausted to the outside from the upper port of the cylindrical radiating cavity 8, the other part of the gas entering the radiating pipe 18 enters the truncated cone-shaped radiating cavity from the radiating holes on the radiating cavity 18 and moves towards the upper end port of the truncated cone-shaped radiating cavity along the inner wall of the truncated cone-shaped radiating cavity by the gas in the air inlet cavity 4, and simultaneously the gas entering the truncated cone-shaped radiating cavity from the radiating holes on the radiating pipe 18 is exhausted to the outside from the upper port of the truncated cone-shaped radiating cavity by propping against the gas entering the truncated cone-shaped radiating cavity from the radiating holes on the radiating pipe 18, and the gas flowing into the radiating pipe 18 from the rectangular distribution cavity 2 flows out from the radiating pipe 18 The heat generated by the power distribution instrument 3 in the circular power distribution chamber 2 drives the outside air along with the gas, so that the heat dissipation effect is realized, meanwhile, the gas in the air inlet chamber 4 moves along the inner wall of the circular-table-shaped heat dissipation chamber to the upper end port of the circular-table-shaped heat dissipation chamber and simultaneously pushes the gas entering the circular-table-shaped heat dissipation chamber from the heat dissipation holes on the heat dissipation pipe 18 to be discharged to the outside from the upper end port of the circular-table-shaped heat dissipation chamber, so that the gas flowing speed is accelerated, further, the heat dissipation efficiency is improved, in addition, under the action of the outside wind force, the fan blades 21 are rotated, further, the heat dissipation shaft 9 and the heat dissipation turbine 10 positioned on the heat dissipation shaft are driven to rotate together, and the heat dissipation turbine 10 sucks the gas entering the heat dissipation pipe 18 into the cylindrical heat dissipation chamber 8 and discharges the gas from the upper end port of the cylindrical heat dissipation chamber 8 while rotating, so that the gas flowing is accelerated, and the heat dissipation efficiency and the heat dissipation effect are further improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (5)
1. The utility model provides a rotation type prepackage type transformer substation convenient to maintenance, includes the block terminal body, its characterized in that: the distribution box body comprises a base (1) of the power transformation box, an air inlet chamber (4), a shell (23) and a distribution room unit, the shell (23) is of a cylindrical structure with an upward opening, the transformer case base (1) is of a circular truncated cone-shaped structure with gradually increasing diameters from top to bottom, and the center of the base (1) of the transformer box is provided with a cylindrical heat dissipation cavity (8) communicated with the external environment along the height direction, an auxiliary heat dissipation mechanism is arranged in the cylindrical heat dissipation cavity (8), a plurality of distribution room units are annularly arranged at the position of the edge of the bottom end of the transformer box base (1) at equal intervals, the distribution room units comprise rectangular distribution rooms (2) which are vertical to the bottom end surface of the transformer box base (1), a linkage bracket used for fixing the power distribution instrument (3) and a driving mechanism used for driving the linkage bracket to move, and one side of the rectangular power distribution chamber (2) far away from the cylindrical heat dissipation cavity (8) is an inlet and an outlet of the power distribution instrument (3), the center of the bottom end of the transformer box base (1) is fixed on the inner bottom end of the shell (23) through a driving rotating shaft (25), a driven gear (26) is fixed on the driving rotating shaft (25), a second motor (27) is fixed on one side of the shell (23) close to the driving rotating shaft (25), a driving gear (28) matched with the driven gear (26) is fixed at the output end of the second motor (27);
the driving mechanism comprises a screw rod (14) horizontally fixed on the bottom end face of the rectangular power distribution chamber (2) through a bearing, a first motor (11) connected with one end of the screw rod (14) through a coupler and a sliding block (13) fixed on the screw rod (14) and in sliding connection with the screw rod, and the first motor (11) is fixed on the bottom end face of one side, close to the cylindrical heat dissipation cavity (8), of the rectangular power distribution chamber (2);
the linked bracket comprises a sliding plate (15) which is positioned over a screw rod (14) and fixed on a sliding block (13), a switch door (7) and a fixed rod (19) which are respectively hinged at the left side and the right side of the upper end face of the sliding plate (15), a bar-shaped fixed plate (20) which is positioned between the switch door (7) and the fixed rod (19) and is arranged at equal intervals along the height direction of a rectangular power distribution cavity (2), and a power distribution instrument (3) which is respectively fixed on the sliding plate (15) and the bar-shaped fixed plate (20), wherein the upper end of the sliding plate (15) is fixed with a gear rotating shaft (12) vertical to the screw rod (14) through a bearing, the gear rotating shaft (12) is fixed with gear (16) through position symmetry at two ends, rack plates (6) matched with the gear (16) are fixed on the inner wall of the rectangular power distribution cavity (2), the rack plates (6) are parallel to the screw rod (14), one end of the sliding plate (15) close to the cylindrical power distribution cavity (8) is provided with a abdication hole matched with the rack plate (6), the two bar-shaped fixed rods (19) and the two bar-shaped fixed plates (7) are respectively arranged at two ends, and the two bar-shaped fixed plates (20) are arranged at two corresponding horizontal planes, and the two bar-shaped fixed plates (19) are respectively arranged at the upper end of the two bar-shaped fixed plate (7 and the two bar-shaped fixed plate (20) The distance between two strip-shaped fixing plates (20) on the same horizontal plane is smaller than the width of a power distribution instrument (3), radiating pipes (18) are horizontally fixed on one side, close to a base (1) of the power transformation box, of the rectangular power distribution chamber (2) at equal intervals along the height direction of the rectangular power distribution chamber (2), one ends of the radiating pipes (18) are communicated with the cylindrical radiating cavity (8), and radiating holes are uniformly distributed in the surface of each radiating pipe (18);
all be equipped with air inlet cavity (4) that the cross-section is the sector between per two adjacent rectangle distribution cavity (2), and rectangle distribution cavity (2), air inlet cavity (4) and transformer box base (1) integrated into one piece, rectangle distribution cavity (2), air inlet cavity (4) be close to transformer box base (1) one side the lateral wall and with the lateral wall of transformer box base (1) between form with the same round platform shape heat dissipation cavity of transformer box base (1) shape, and the lateral wall evenly distributed of rectangle distribution cavity (2) has the through-hole that communicates with air inlet cavity (4), the top of air inlet cavity (4) is the open end, and evenly distributed has inlet opening (5) on the lateral wall that casing (23) correspond air inlet cavity (4), casing (23) lateral wall sets up an exit end with switch door (7) looks adaptation, and it has dodge gate (24) to articulate on the exit end.
2. A rotary easy-to-maintain preassembled transformer substation according to claim 1, characterized in that: a row of switch button groups (22) are fixed on one side of the shell (23) close to the movable door (24), and the switch button groups (22) are electrically connected with the first motor (11) and the second motor (27) respectively.
3. A rotary easy-to-maintain preassembled transformer substation according to claim 1, characterized in that: the auxiliary heat dissipation mechanism comprises a heat dissipation shaft (9) vertically fixed in a cylindrical heat dissipation cavity (8) through a bearing, and heat dissipation turbines (10) and fan blades (21) fixed on the heat dissipation shaft (9) are fixed at equal intervals along the height direction of the heat dissipation shaft (9).
4. A rotary easy-to-maintain preassembled transformer substation according to claim 3, characterized in that: the top end of the heat dissipation shaft (9) vertically extends to the outer portion of the upper end of the transformer box base (1) and is fixedly provided with fan blades (21), and a rain shielding cover (17) is fixed above the transformer box base (1) and located above the fan blades (21) through a supporting rod.
5. A rotary easy-to-maintain preassembled transformer substation according to claim 1, characterized in that: the length of the strip-shaped fixing plate (20) is equal to the width of the rectangular power distribution chamber (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911405842.4A CN111092392B (en) | 2019-12-31 | 2019-12-31 | Rotary prefabricated substation convenient to maintain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405842.4A CN111092392B (en) | 2019-12-31 | 2019-12-31 | Rotary prefabricated substation convenient to maintain |
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| CN111092392A CN111092392A (en) | 2020-05-01 |
| CN111092392B true CN111092392B (en) | 2022-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117676B (en) * | 2020-09-27 | 2022-04-05 | 福建腾宇电气有限公司 | Intensive switch cabinet group |
| CN112218467B (en) * | 2020-10-24 | 2022-02-15 | 广州伟裕电气设备有限公司 | Tree-shaped rotary installation type control cabinet |
| CN112436422A (en) * | 2020-11-19 | 2021-03-02 | 浙江龙呈电力设备有限公司 | Pre-assembled underground transformer box convenient to maintain and fixing assembly thereof |
| CN112421422A (en) * | 2020-12-03 | 2021-02-26 | 国家电网有限公司 | Power control cabinet convenient to equipment takes out maintenance |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103886676A (en) * | 2012-12-20 | 2014-06-25 | 鸿富锦精密工业(武汉)有限公司 | Automatic vending machine |
| CN204424707U (en) * | 2014-12-08 | 2015-06-24 | 重庆大学 | A kind of regulator cubicle |
| CN104577764A (en) * | 2014-12-25 | 2015-04-29 | 贵州天能电力高科技有限公司 | Convenient reactive power compensation cabinet provided with redundant power supply |
| CN108155584A (en) * | 2018-03-16 | 2018-06-12 | 云和县华翎工业设计有限公司 | A kind of power distribution cabinet reinforcing frame |
| CN108390270A (en) * | 2018-04-28 | 2018-08-10 | 广东电网有限责任公司 | Convenient for safeguarding the electric power cabinet of power equipment |
| CN208890179U (en) * | 2018-08-16 | 2019-05-21 | 开封市龙亭电气成套有限公司 | A kind of dampproof protection against insects power distribution cabinet |
| CN209526335U (en) * | 2019-05-03 | 2019-10-22 | 青岛灵海电力建设有限公司 | A kind of control cabinet for power distribution |
| CN110611253B (en) * | 2019-09-20 | 2021-01-29 | 深圳润世华研发科技有限公司 | Power distribution network transmission automatic adjustment control cabinet |
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