CN113991475A - Electric power high-voltage ring main unit - Google Patents

Abstract

The invention relates to the technical field of high-voltage ring main units, in particular to an electric power high-voltage ring main unit, which aims at the problems of weak fire control capability and poor heat dissipation performance of the electric power high-voltage ring main unit in the prior art, and provides the following scheme, comprising the following steps of: the cabinet body, the internal fire extinguishing systems of installing of cabinet, all seted up the louvre on the both sides outer wall of the cabinet body, rain-proof cover is all installed to the outside of louvre, the internal sliding joint of louvre has the closing plate, and cabinet body internally mounted has the butt subassembly, in order to be used for driving the closing plate and seal up rain-proof cover, the ceiling is installed at the top of the cabinet body, and the cabinet door is openly installed to the cabinet body. The invention has reasonable structure and simple operation, can effectively control the occurrence of fire, achieves good heat dissipation effect by utilizing wind power, and can facilitate the installation of electrical components in the cabinet body by operators.

Description

Electric power high-voltage ring main unit

Technical Field

The invention relates to the field of high-voltage ring main units, in particular to an electric high-voltage ring main unit.

Background

The high-voltage ring main unit is used for improving the power supply reliability, so that a user can obtain power supplies from two directions, and a power supply network is usually connected into a ring. The high-voltage ring main unit for electric power is widely used in distribution stations and box-type substations of electric power supply centers such as urban residential areas, high-rise buildings and factories.

Its structural configuration of electric power high-pressure looped netowrk cabinet among the prior art is fairly simple, when letting the internal portion of cabinet take place the short circuit and catch fire, can not be very fast with the intensity of a fire control, and electric power high-pressure looped netowrk cabinet can give out a large amount of heats in work, but electric power high-pressure looped netowrk cabinet among the prior art mostly adopts natural cooling's mode to cool off or install the electric fan and cool off, the former cooling efficiency is low, can not fine utilization wind energy come the heat dissipation, the latter then can additionally consume the energy, and electrical apparatus is too much, can increase thermal production equally, for this reason, this scheme has proposed an electric power high-pressure looped netowrk cabinet.

Disclosure of Invention

The invention provides an electric power high-voltage ring main unit, which solves the problems that the electric power high-voltage ring main unit in the prior art is poor in fire control capability and heat dissipation performance.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electric high-voltage ring main unit, comprising:

the fire-extinguishing cabinet comprises a cabinet body, wherein a fire-extinguishing system is installed in the cabinet body, heat dissipation holes are formed in the outer walls of two sides of the cabinet body, a rain-proof cover is installed outside each heat dissipation hole, a sealing plate is connected in each heat dissipation hole in a sliding mode, a butting component used for driving the sealing plate to seal the rain-proof cover is installed in the cabinet body, a ceiling is installed at the top of the cabinet body, and a cabinet door is installed on the front face of the cabinet body;

the heat dissipation mechanism comprises two connecting shafts, fans and toothed plates, wherein the two connecting shafts are connected to the top of the cabinet body in a sliding mode, the fans are fixed to the bottoms of the two connecting shafts, the toothed plates are fixed to the top of the cabinet body, and linkage gears meshed with the toothed plates are sleeved outside the connecting shafts;

the driving mechanism comprises a rotating shaft which is rotatably connected to the top of the cabinet body and a pneumatic component which is arranged on the top of the ceiling and used for driving the rotating shaft to rotate, and the rotating shaft and the connecting shaft are in transmission connection through a linkage component and used for driving the connecting shaft to horizontally move on the top of the cabinet body; and

the mounting rack comprises a bottom plate, four supporting columns fixed at the top of the bottom plate and a plurality of placing plates arranged on the inner sides of the four supporting columns, and the bottom plate is connected to the inner wall of the bottom of the cabinet body in a sliding mode;

wherein, the connecting shaft rotates when moving horizontally, thus drive the fan to rotate.

Preferably, fire extinguishing systems is including installing holding vessel and the singlechip at cabinet body top, installing at the smoke transducer of cabinet body top inner wall and installing a plurality of fixed pipes on cabinet body inner wall, install a plurality of shower nozzles on the fixed pipe, smoke transducer's output and the input electric connection of singlechip, install the conveyer pipe on the holding vessel, a plurality of fixed pipes are all fixed and communicate with the conveyer pipe, install the solenoid valve on the conveyer pipe, and the input of solenoid valve links with the output electricity of singlechip, and the inspection opening has been seted up in the front of ceiling, and the externally mounted of inspection opening has the apron for sealed inspection opening.

Preferably, the butt subassembly is including installing two electric telescopic handle in cabinet body bottom and fixing the lift post at two electric telescopic handle extension ends respectively, and the groove has been seted up to one side that the lift post is close to the louvre and has been accomodate, and the top surface of accomodating the groove is the decurrent inclined plane of slope, the one end of keeping away from rain-proof cover of closing plate is fixed with the spliced pole, and the one end of spliced pole extends to accomodate the inslot and with accomodate the groove and cooperate, electric telescopic handle's input and the output electric connection of singlechip.

Preferably, the mounting groove has all been seted up to the both sides of closing plate, all installs in two mounting grooves along the slide bar and the movable sleeve that its length set up and establish the outside sliding sleeve of slide bar, one side of sliding sleeve and the lateral wall rigid coupling of louvre, the outside movable sleeve of slide bar is equipped with the spring, and the spring is located one side that the sliding sleeve is close to the lift post.

Preferably, the top of two lift posts all installs the locking Assembly, in order to be used for locking two connecting axles respectively, the locking Assembly is established at the outside loose collar of connecting axle and cup joints the solid fixed ring outside at the connecting axle including fixing the dead lever at lift top of the post, fixing flexible post, the activity cover at the dead lever top, the other end of flexible post and the outer wall rigid coupling of loose collar, the loose collar is located solid fixed ring outside and with solid fixed ring matched with.

Preferably, pneumatic component is including rotating the transmission shaft of connection at the ceiling top, installing a plurality of deep beads on the transmission shaft lateral wall and installing the reduction gear at the ceiling inboard, the bottom of transmission shaft is connected with the input transmission of reduction gear, and the output of reduction gear is connected with the top transmission of pivot, the linkage subassembly including cup joint at the outside driving gear of pivot, install at cabinet body top and with driving gear meshing's driven gear and articulate the connecting rod in driven gear skew centre of a circle department, the other end of connecting rod is articulated with the top of connecting axle.

Preferably, two spread grooves have been seted up at the top of the cabinet body, and the spacing groove has all been seted up on two long limits of two spread grooves, and the outside of connecting axle is rotated and is connected with the fixed block, and the both sides of fixed block all are fixed with the stopper that one end extends to the spacing inslot, and with the spacing groove sliding connection.

Preferably, the both ends of placing the board all are fixed with the flange, and two flanges are located respectively and place the board between two support columns with one side, and the top surface of bottom plate rotates and is connected with two transmission screw post, and the equal screw thread in outside of two transmission screw post has cup jointed fixed cover, and the bottom of two fixed covers is all fixed in the bottom surface of placing the board of bottom, all installs lifting unit between two adjacent flanges, in order to be used for the drive to place the board and go up and down, install adjusting part on the bottom plate, in order to be used for driving the rotation of transmission screw post, it is fixed with the locating lever to place the board bottom surface, places the board fixed both ends with the flange and all is fixed with two sliders, and the support column is close to one side of placing the board and has seted up the spout, and the one end of slider extends to in the spout and with the spout sliding connection.

Preferably, the lifting assembly comprises an adjusting thread column installed on the top surface of the convex plate, the outer thread of the adjusting thread column is connected with two moving blocks, the tops of the two moving blocks are hinged to a hinge rod, the adjusting thread column is a bidirectional thread column, the two moving blocks are respectively screwed in two areas with opposite threads outside the adjusting thread column, a plurality of first tooth sockets are formed in the outer side wall of the support column, connecting gears meshed with the first tooth sockets are fixed at the two ends of the adjusting thread column, and the tops of the two hinge rods are hinged to the bottom surface of the convex plate on the upper layer of the convex plate.

Preferably, the adjusting assembly comprises a fixed shaft rotatably connected to the outer wall of the bottom plate, a transmission gear fixed at one end of the fixed shaft and a driven bevel gear sleeved outside the transmission threaded column, a driving bevel gear meshed with the driven bevel gear is sleeved outside the fixed shaft, and a second tooth socket meshed with the transmission gear is formed in the inner wall of the bottom of the cabinet body.

The invention has the beneficial effects that:

1. through the cooperation between fire extinguishing system and the butt joint subassembly, can be timely when detecting the internal portion of cabinet and starting fire extinguishing system when the condition of a fire appears, can seal rain-proof cover simultaneously immediately to block the entering of air, further strengthened the effect of putting out a fire.

2. Through the cooperation between pnematic subassembly and the heat dissipation mechanism, can utilize wind-force to drive the fan pivoted simultaneously can drive at cabinet body top horizontal reciprocating motion to radiating effect has been strengthened.

3. Through the setting of mounting bracket, can be convenient when removing the mounting bracket to the external portion of cabinet a plurality of boards of placing reduce the height simultaneously to make things convenient for operating personnel to install electrical components at placing the board top, and when the mounting bracket removed to the internal portion of cabinet, can rise a plurality of boards of placing simultaneously again, thereby make it resume normal height.

The invention has reasonable structure and simple operation, can effectively control the occurrence of fire, achieves good heat dissipation effect by utilizing wind power, and can facilitate the installation of electrical components in the cabinet body by operators.

Drawings

Fig. 1 is a front cross-sectional view of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is an enlarged view at C in fig. 1.

Fig. 4 is a left side view of the mount of the present invention.

Fig. 5 is a plan view of the placement board of the present invention.

Fig. 6 is a top view of the transmission mechanism of the present invention.

FIG. 7 is a top view of the coupler slot of the present invention.

Fig. 8 is a top cross-sectional view of the seal plate of the present invention.

Fig. 9 is a front view of the present invention.

Reference numbers in the figures: 1. a cabinet body; 2. a base plate; 3. a fixed tube; 4. a rain cover; 5. a smoke sensor; 6. an electric telescopic rod; 7. heat dissipation holes; 8. a sealing plate; 9. a receiving groove; 10. a lifting column; 11. fixing the rod; 12. a toothed plate; 13. a connecting rod; 14. a driven gear; 15. a driving gear; 16. a rotating shaft; 17. a storage tank; 18. a ceiling; 19. a speed reducer; 20. a drive shaft; 21. a wind deflector; 22. a telescopic column; 23. a movable ring; 24. a connecting shaft; 25. a fixing ring; 26. a fan; 27. fixing a sleeve; 28. a drive threaded post; 29. a transmission gear; 30. a fixed shaft; 31. placing the plate; 32. adjusting the threaded column; 33. a hinged lever; 34. positioning a rod; 35. a connecting gear; 36. a slider; 37. a chute; 38. a support pillar; 39. a convex plate; 40. a linkage gear; 41. a single chip microcomputer; 42. connecting grooves; 43. a limiting groove; 44. a fixed block; 45. a limiting block; 46. mounting grooves; 47. a sliding sleeve; 48. a slide bar; 49. connecting columns; 50. a cover plate; 51. a cabinet door.

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.

Referring to fig. 1-9, an electric high-voltage ring main unit includes: the cabinet body 1, a heat dissipation mechanism, a driving mechanism and a mounting rack;

the top of the cabinet body 1 is provided with a ceiling 18, the front surface of the cabinet body 1 is provided with a cabinet door 51, the cabinet body 1 is internally provided with a fire extinguishing system, the fire extinguishing system comprises a storage tank 17 and a single chip microcomputer 41 which are arranged at the top of the cabinet body 1, a smoke sensor 5 which is arranged on the inner wall of the top of the cabinet body 1 and a plurality of fixed pipes 3 which are arranged on the inner wall of the cabinet body 1, the fixed pipes 3 are provided with a plurality of nozzles, the output end of the smoke sensor 5 is electrically connected with the input end of the single chip microcomputer 41, the storage tank 17 is provided with a conveying pipe, the fixed pipes 3 are all fixed and communicated with the conveying pipe, the conveying pipe is provided with an electromagnetic valve, the input end of the electromagnetic valve is electrically connected with the output end of the single chip microcomputer 41, the storage pipe 17 is internally stored with dry powder fire extinguishing agent, the front surface of the ceiling 18 is provided with an inspection opening, a cover plate 50 is arranged outside the inspection opening and used for sealing the inspection opening, the cover plate 50 is fixed on the ceiling 18 through screws, when a fire occurs in the cabinet body 1, the smoke sensor 5 detects smoke, so that a signal is transmitted to the single chip microcomputer 41, the single chip microcomputer 41 is an 8-bit single chip microcomputer, the single chip microcomputer 41 controls the electromagnetic valve to be opened and controls the electric telescopic rod 6 to be contracted, the electromagnetic valve is opened, so that the fire extinguishing agent stored in the storage pipe 17 is sprayed out from the spray heads on the plurality of fixed pipes 3, and the arrangement of the inspection opening is convenient for supplementing the fire extinguishing agent into the storage pipe 17;

the cabinet comprises a cabinet body 1, heat dissipation holes 7 are formed in the outer walls of two sides of the cabinet body 1, a rain cover 4 is installed outside the heat dissipation holes 7, sealing plates 8 are connected in the heat dissipation holes 7 in a sliding mode, abutting components are installed inside the cabinet body 1 and used for driving the sealing plates 8 to seal the rain cover 4, each abutting component comprises two electric telescopic rods 6 installed at the bottom of the cabinet body 1 and lifting columns 10 fixed to the extension ends of the two electric telescopic rods 6 respectively, a containing groove 9 is formed in one side, close to the heat dissipation holes 7, of each lifting column 10, the top surface of each containing groove 9 is an inclined surface inclining downwards, a connecting column 49 is fixed to one end, far away from the rain cover 4, of each sealing plate 8, one end of each connecting column 49 extends into the containing groove 9 and is matched with the containing groove 9, the input end of each electric telescopic rod 6 is electrically connected with the output end of a single chip microcomputer 41, mounting grooves 46 are formed in two sides of each sealing plate 8, a sliding rod 48 arranged along the length of each mounting groove 46 and a sliding sleeve 47 movably sleeved outside the sliding rod 48, one side of the sliding sleeve 47 is fixedly connected with the side wall of the heat dissipation hole 7, a spring is movably sleeved outside the sliding rod 48, the spring is positioned on one side, close to the lifting column 10, of the sliding sleeve 47, the electric telescopic rod 6 contracts to drive the lifting column 10 to descend, so that the sealing plate 8 can be extruded towards one side, close to the rain cover 4, until the sealing plate 8 abuts against the inner wall of the rain cover 4, the rain cover 4 is sealed, outside air is prevented from entering the cabinet body 1, and the spring is arranged to enable the lifting column 10 to be automatically restored to the original position when the lifting column is lifted to the original height, so that the rain cover 4 of the sealing column is opened;

the heat dissipation mechanism comprises two connecting shafts 24 connected to the top of the cabinet body 1 in a sliding mode, fans 26 fixed to the bottoms of the two connecting shafts 24 and toothed plates 12 fixed to the top of the cabinet body 1, linkage gears 40 meshed with the toothed plates 12 are sleeved outside the connecting shafts 24, the driving mechanism comprises a rotating shaft 16 rotatably connected to the top of the cabinet body 1 and a pneumatic assembly mounted at the top of a ceiling 18 and used for driving the rotating shaft 16 to rotate, the rotating shaft 16 is in transmission connection with the connecting shafts 24 through the linkage assemblies and used for driving the connecting shafts 24 to move horizontally at the top of the cabinet body 1, the pneumatic assembly comprises a transmission shaft 20 rotatably connected to the top of the ceiling 18, a plurality of wind shields 21 mounted on the side wall of the transmission shaft 20 and a speed reducer 19 mounted on the inner side of the ceiling 18, the bottom of the transmission shaft 20 is in transmission connection with an input end of the speed reducer 19, an output end of the speed reducer 19 is in transmission connection with the top of the rotating shaft 16, and the linkage assembly comprises a driving gear 15, a driving gear 15, a driven gear and a driven gear 16, wherein the driving gear is sleeved outside the rotating shaft 16, A driven gear 14 mounted on the top of the cabinet 1 and engaged with the driving gear 15, and a connecting rod 13 hinged at the position of the driven gear 14 deviated from the center of circle, the other end of the connecting rod 13 is hinged with the top of the connecting shaft 24, the top of the cabinet 1 is provided with two connecting grooves 42, two long sides of the two connecting grooves 42 are both provided with limiting grooves 43, the outside of the connecting shaft 24 is rotatably connected with a fixed block 44, two sides of the fixed block 44 are both fixed with limiting blocks 45, one end of each limiting block 45 extends into the limiting groove 43 and is in sliding connection with the limiting groove 43, under the action of wind, the transmission shaft 30 rotates to drive the rotating shaft 16 to rotate, the rotating shaft 16 rotates to drive the driven gear 14 in the two linkage assemblies to rotate, the driven gear 14 rotates to drive the connecting shaft 24 to horizontally move in the connecting grooves 42 through the connecting rod 13, while the connecting shaft 24 moves, the linkage gear 40 rotates on the toothed plate 13, thereby enabling the connecting shaft 24 to rotate while moving, the fan 26 is further rotated to generate wind power, and the connecting groove 42 is arranged so that the connecting shaft 24 can horizontally move along the connecting groove 42;

locking assembly is all installed at the top of two lift posts 10, in order to be used for locking two connecting axles 24 respectively, locking assembly is including fixing the dead lever 11 at lift post 10 top, fix the flexible post 22 at dead lever 11 top, the activity cover is established at the outside loose collar 23 of connecting axle 24 and cup joints the solid fixed ring 25 in connecting axle 24 outside, the other end of flexible post 22 and the outer wall rigid coupling of loose collar 23, loose collar 23 is located solid fixed ring 25 outside, and cooperate with solid fixed ring 25, when lift post 10 descends, drive loose collar 23 through dead lever 11 and flexible post 22 and descend, make loose collar 23 butt at solid fixed ring 25 top surface, thereby utilize the static frictional force between loose collar 23 and the solid fixed ring 25 to make connecting axle 24 unable removal and rotation.

The mounting rack comprises a bottom plate 2, four supporting columns 38 fixed at the top of the bottom plate 2 and a plurality of placing plates 31 arranged on the inner sides of the four supporting columns 38, the bottom plate 2 is connected to the inner wall of the bottom of the cabinet body 1 in a sliding manner, the two ends of each placing plate 31 are fixed with convex plates 39, the two convex plates 39 are respectively arranged between the two supporting columns 38 on the same side of the placing plate 31, the top surface of the bottom plate 2 is connected with two transmission threaded columns 28 in a rotating manner, the outer parts of the two transmission threaded columns 28 are sleeved with fixing sleeves 27 in a threaded manner, the bottoms of the two fixing sleeves 27 are fixed on the bottom surface of the placing plate 31 at the bottommost layer, a lifting assembly is arranged between the two adjacent convex plates 39 and used for driving the placing plate 31 to lift, an adjusting assembly is arranged on the bottom plate 2 and used for driving the transmission threaded columns 28 to rotate, a positioning rod 34 is fixed on the bottom surface of the placing plate 31, two sliding blocks 36 are fixed at the two ends of the placing plate 31 and the convex plates 39, one side of the supporting column 38 close to the placing plate 31 is provided with a sliding groove 37, one end of the sliding block 36 extends into the sliding groove 37 and is in sliding connection with the sliding groove 37, the lifting assembly comprises an adjusting threaded column 32 installed on the top surface of the convex plate 39, the outer part of the adjusting threaded column 32 is in threaded connection with two moving blocks, the tops of the two moving blocks are hinged with a hinge rod 33, the adjusting threaded column 32 is a bidirectional threaded column, the two moving blocks are respectively screwed in two areas with opposite threads outside the adjusting threaded column 32, the outer side wall of the supporting column 38 is provided with a plurality of first tooth sockets, two ends of the adjusting threaded column 32 are both fixed with a connecting gear 35 meshed with the first tooth sockets, the tops of the two hinge rods 33 are both hinged with the bottom surface of the convex plate 39 on the upper layer of the convex plate 39, the adjusting assembly comprises a fixed shaft 30 rotatably connected on the outer wall of the bottom plate 2, a transmission gear 29 fixed at one end of the fixed shaft 30 and a driven bevel gear sleeved outside the transmission threaded column 28, a driving bevel gear engaged with the driven bevel gear is sleeved outside the fixed shaft 30, a second tooth socket engaged with the transmission gear 29 is arranged on the inner wall of the bottom of the cabinet body 1, the mounting rack is moved to the outside of the cabinet body 1, so that the two transmission gears 29 on the bottom plate 2 rotate clockwise, and then the transmission screw column 28 is driven to rotate forwards, so that the fixing sleeve 27 is lowered, the placing plate 31 at the bottommost layer is lowered, when the lowest placing plate 31 descends, the other placing plates 31 are driven to descend simultaneously, when the placing plate 31 is lowered, the connecting gears 35 at both ends of the adjusting screw column 32 are reversed along the first tooth grooves on the outer wall of the supporting column 38, thereby reversing the adjusting screw column 32, and further, the two moving blocks on the adjusting screw column 32 are moved away from each other, and further, the distance between the two adjacent placing plates 31 is reduced, so that the heights of the plurality of placing plates 31 are simultaneously lowered during the outward movement of the mounting frame.

The working principle is as follows: when the electrical component is installed, the mounting rack is moved to the outside of the cabinet body 1, so that the two transmission gears 29 on the bottom plate 2 rotate clockwise, and further the transmission threaded columns 28 are driven to rotate clockwise, so that the fixing sleeve 27 is lowered, and the bottommost placing plate 31 is lowered, when the bottommost placing plate 31 is lowered, other placing plates 31 are driven to simultaneously lower, and when the placing plates 31 are lowered, the connecting gears 35 at the two ends of the adjusting threaded columns 32 can rotate reversely along the first tooth grooves on the outer wall of the supporting column 38, so that the adjusting threaded columns 32 rotate reversely, and further the two moving blocks on the adjusting threaded columns 32 can be far away from each other, so that the distance between the two adjacent placing plates 31 is reduced, and therefore the heights of the multiple placing plates 31 are reduced simultaneously in the process that the mounting rack moves outwards, so that the electrical component can be conveniently installed at the tops of the placing plates 31, on the contrary, when the mounting rack is moved to the inside of the cabinet 1, the plurality of placing plates 31 are simultaneously lifted to restore the normal height;

when the devices inside the cabinet body 1 normally work, under the action of wind power, the transmission shaft 30 rotates to drive the rotating shaft 16 to rotate, the rotating shaft 16 rotates to drive the driven gear 14 in the two linkage assemblies to rotate, the driven gear 14 rotates to drive the connecting shaft 24 to horizontally move in the connecting groove 42 through the connecting rod 13, and when the connecting shaft 24 moves, the linkage gear 40 rotates on the toothed plate 13, so that the connecting shaft 24 rotates while moving, the fan 26 rotates to generate wind power, and heat inside the cabinet body 1 is favorably dissipated;

when a fire occurs inside the cabinet body 1, the smoke sensor 5 detects smoke, thereby transmitting a signal to the single chip 41, the single chip 41 then controls the electromagnetic valve to open, and simultaneously controls the electric telescopic rod 6 to contract, the electromagnetic valve is opened to enable the fire extinguishing agent stored in the storage pipe 17 to be sprayed out from the nozzles on the plurality of fixed pipes 3, and the electric telescopic rod 6 contracts to drive the lifting column 10 to descend, thereby extruding the sealing plate 8 to one side close to the rain cover 4 until the sealing plate 8 abuts against the inner wall of the rain cover 4, thereby sealing the rain cover 4, preventing the outside air from entering the cabinet body 1, thereby rapidly controlling the fire, and simultaneously when the lifting column 10 descends, the movable ring 23 is driven to descend by the fixed rods 11 and the telescopic columns 22, so that the movable ring 23 abuts against the top surface of the fixed ring 25, thereby enabling the connecting shaft 24 not to move and rotate, thereby slowing down the circulation of air inside the cabinet 1.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. An electric power high-voltage ring main unit, its characterized in that includes:

the fire extinguishing system comprises a cabinet body (1), wherein a fire extinguishing system is installed in the cabinet body (1), heat dissipation holes (7) are formed in the outer walls of the two sides of the cabinet body (1), a rain cover (4) is installed outside the heat dissipation holes (7), a sealing plate (8) is connected in the heat dissipation holes (7) in a sliding mode, a butt joint assembly used for driving the sealing plate (8) to seal the rain cover (4) is installed in the cabinet body (1), a ceiling (18) is installed at the top of the cabinet body (1), and a cabinet door (51) is installed on the front face of the cabinet body (1);

the heat dissipation mechanism comprises two connecting shafts (24) connected to the top of the cabinet body (1) in a sliding mode, a fan (26) fixed to the bottoms of the two connecting shafts (24) and a toothed plate (12) fixed to the top of the cabinet body (1), and a linkage gear (40) meshed with the toothed plate (12) is sleeved outside the connecting shafts (24);

the driving mechanism comprises a rotating shaft (16) rotatably connected to the top of the cabinet body (1) and a pneumatic component arranged on the top of the ceiling (18) and used for driving the rotating shaft (16) to rotate, and the rotating shaft (16) is in transmission connection with the connecting shaft (24) through a linkage component and used for driving the connecting shaft (24) to horizontally move on the top of the cabinet body (1); and

the mounting rack comprises a bottom plate (2), four supporting columns (38) fixed to the top of the bottom plate (2) and a plurality of placing plates (31) installed on the inner sides of the four supporting columns (38), and the bottom plate (2) is in sliding connection with the inner wall of the bottom of the cabinet body (1);

wherein the connecting shaft (24) rotates while moving horizontally, thereby driving the fan (26) to rotate.

2. The electric high-voltage ring main unit as claimed in claim 1, wherein the fire extinguishing system comprises a storage tank (17) and a single chip microcomputer (41) which are installed on the top of the main body (1), a smoke sensor (5) which is installed on the inner wall of the top of the main body (1), and a plurality of fixed pipes (3) which are installed on the inner wall of the main body (1), a plurality of spray heads are arranged on the fixed pipe (3), the output end of the smoke sensor (5) is electrically connected with the input end of the singlechip (41), install the conveyer pipe on holding vessel (17), a plurality of fixed pipes (3) all with the conveyer pipe fixed and communicate, install the solenoid valve on the conveyer pipe, the input of solenoid valve links with the output electricity of singlechip (41), the inspection opening has been seted up in the front of ceiling (18), the externally mounted of inspection opening has apron (50) that are used for sealed inspection opening.

3. The electric power high-voltage ring main unit according to claim 2, wherein the abutting component comprises two electric telescopic rods (6) installed at the bottom of the cabinet body (1) and lifting columns (10) respectively fixed at the extending ends of the two electric telescopic rods (6), one side, close to the heat dissipation holes (7), of each lifting column (10) is provided with a containing groove (9), the top surface of each containing groove (9) is an inclined surface inclined downwards, one end, far away from the rain cover (4), of the sealing plate (8) is fixed with a connecting column (49), one end of each connecting column (49) extends into each containing groove (9) and is matched with each containing groove (9), and the input end of each electric telescopic rod (6) is electrically connected with the output end of the single chip microcomputer (41).

4. The electric power high-voltage ring main unit according to claim 3, wherein two sides of the sealing plate (8) are respectively provided with a mounting groove (46), two mounting grooves (46) are respectively provided with a sliding rod (48) arranged along the length of the sealing plate and a sliding sleeve (47) movably sleeved outside the sliding rod (48), one side of the sliding sleeve (47) is fixedly connected with the side wall of the heat dissipation hole (7), the outside of the sliding rod (48) is movably sleeved with a spring, and the spring is located on one side of the sliding sleeve (47) close to the lifting column (10).

5. The electric power high-voltage ring main unit according to claim 4, wherein locking assemblies are mounted at the tops of the two lifting columns (10) and used for locking the two connecting shafts (24) respectively, each locking assembly comprises a fixed rod (11) fixed at the top of the lifting column (10), a telescopic column (22) fixed at the top of the fixed rod (11), a movable ring (23) movably sleeved outside the connecting shaft (24) and a fixed ring (25) sleeved outside the connecting shaft (24), the other end of the telescopic column (22) is fixedly connected with the outer wall of the movable ring (23), and the movable ring (23) is located outside the fixed ring (25) and matched with the fixed ring (25).

6. The electric power high-voltage ring main unit according to claim 1, wherein the pneumatic assembly comprises a transmission shaft (20) rotatably connected to the top of the ceiling (18), a plurality of wind shields (21) mounted on the side wall of the transmission shaft (20), and a speed reducer (19) mounted on the inner side of the ceiling (18), the bottom of the transmission shaft (20) is in transmission connection with the input end of the speed reducer (19), the output end of the speed reducer (19) is in transmission connection with the top of the rotating shaft (16), the linkage assembly comprises a driving gear (15) sleeved outside the rotating shaft (16), a driven gear (14) mounted on the top of the cabinet body (1) and engaged with the driving gear (15), and a connecting rod (13) hinged to the driven gear (14) at a position deviated from the center of a circle, and the other end of the connecting rod (13) is hinged to the top of the connecting shaft (24).

7. The electric power high-voltage ring main unit according to claim 1, wherein two connecting grooves (42) are formed in the top of the main unit (1), two long sides of the two connecting grooves (42) are respectively provided with a limiting groove (43), a fixing block (44) is rotatably connected to the outside of the connecting shaft (24), and limiting blocks (45) are fixed to two sides of the fixing block (44), one ends of the limiting blocks (45) extend into the limiting grooves (43) and are in sliding connection with the limiting grooves (43).

8. The electric high-voltage ring main unit according to claim 1, wherein the two ends of the placing plate (31) are fixed with protruding plates (39), the two protruding plates (39) are respectively located between two supporting columns (38) on the same side of the placing plate (31), the top surface of the bottom plate (2) is rotatably connected with two transmission threaded columns (28), the outer parts of the two transmission threaded columns (28) are respectively in threaded sleeve connection with a fixing sleeve (27), the bottoms of the two fixing sleeves (27) are respectively fixed on the bottom surface of the placing plate (31) at the bottom layer, a lifting assembly is respectively installed between the two adjacent protruding plates (39) for driving the placing plate (31) to lift, the bottom plate (2) is provided with an adjusting assembly for driving the transmission threaded columns (28) to rotate, the bottom surface of the placing plate (31) is fixed with a positioning rod (34), the two sliding blocks (36) are respectively fixed on the placing plate (31) and the two ends of the protruding plates (39), one side of the supporting column (38) close to the placing plate (31) is provided with a sliding groove (37), and one end of the sliding block (36) extends into the sliding groove (37) and is in sliding connection with the sliding groove (37).

9. The electric power high-voltage ring main unit according to claim 8, wherein the lifting assembly comprises an adjusting threaded column (32) installed on the top surface of the flange (39), the outer portion of the adjusting threaded column (32) is connected with two moving blocks through threads, the tops of the two moving blocks are hinged to hinge rods (33), the adjusting threaded column (32) is a bidirectional threaded column, the two moving blocks are respectively screwed in two areas with opposite threads outside the adjusting threaded column (32), the outer side wall of the supporting column (38) is provided with a plurality of first tooth grooves, two ends of the adjusting threaded column (32) are both fixed with connecting gears (35) meshed with the first tooth grooves, and the tops of the two hinge rods (33) are hinged to the bottom surface of the flange (39) on the upper layer of the flange (39).

10. The electric high-voltage ring main unit according to claim 8, wherein the adjusting assembly comprises a fixed shaft (30) rotatably connected to the outer wall of the base plate (2), a transmission gear (29) fixed at one end of the fixed shaft (30), and a driven bevel gear sleeved outside the transmission threaded column (28), a driving bevel gear engaged with the driven bevel gear is sleeved outside the fixed shaft (30), and a second tooth socket engaged with the transmission gear (29) is formed on the inner wall of the bottom of the cabinet body (1).

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