CN215600782U - Low-voltage reactive power compensation cabinet - Google Patents

Abstract

The utility model discloses a low-voltage reactive power compensation cabinet in the technical field of compensation cabinets, which comprises a cabinet body, wherein the left bottom end and the right bottom end of the cabinet body are fixedly connected with connecting plates, the separated sides of the two connecting plates are fixedly connected with fixed plates, the top and the inner bottom of the inner side of the cabinet body are rotatably connected with screw rods, a first motor is started to enable a slide block to move up and down on the outer sides of the screw rods and the fixed rods, a second motor is started to further drive two fans to rotate, water drops are absorbed under the action of water absorption sponges, the water absorption sponges are extruded under the action of a plurality of groups of reset springs, water in the water absorption sponges is squeezed out, the water absorption sponges can be drained as soon as possible, when water drops are formed, the water drops can be continuously absorbed by the water absorption sponges, the heat dissipation effect of the device is good, the temperature in the cabinet body is reduced, and the service life of internal circuit elements is prolonged, and also avoided the emergence of potential safety hazard, the water droplet of the cabinet body bottom is difficult to get into the internal portion of cabinet moreover.

Description

Low-voltage reactive power compensation cabinet

Technical Field

The utility model relates to the technical field of compensation cabinets, in particular to a low-voltage reactive power compensation cabinet.

Background

The reactive power compensation can play a role in improving the power factor of a power grid in a power supply system, reduce the loss of a power supply transformer and a transmission line, improve the power supply efficiency and improve the power supply environment. The low-voltage reactive power compensation cabinet is widely applied to transformer substations, factories, industrial and mining enterprises, large-scale power plants, petroleum and chemical enterprises, reactive power compensation and other fields.

However, the heat dissipation effect of the existing reactive power compensation cabinet is poor, the internal circuit elements are aged and leaked due to overhigh temperature in the cabinet body, the service life of the circuit elements is prolonged, potential safety hazards are easily caused, water drops at the bottom end of the existing reactive power compensation cabinet easily enter the cabinet body, the internal part of the cabinet body is easy to become damp, normal use of the internal circuit elements of the cabinet body is not facilitated, and therefore the low-voltage reactive power compensation cabinet is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-voltage reactive power compensation cabinet to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a low-voltage reactive power compensation cabinet comprises a cabinet body, wherein the left side bottom end and the right side bottom end of the cabinet body are fixedly connected with connecting plates, two separated sides of the connecting plates are fixedly connected with fixing plates, the top and the inner side bottom of the inner side of the cabinet body are rotatably connected with lead screws, the outer side of each lead screw is in threaded connection with a slide block, the bottom of the inner side of the cabinet body is positioned at the front end of each lead screw and is fixedly connected with a fixing rod, the top end of each fixing rod penetrates through the bottom of each slide block and extends to the top of each slide block and is fixedly connected with the top of the inner side of the cabinet body, the left side and the right side of each slide block are rotatably connected with first rotating shafts, two separated ends of the first rotating shafts are fixedly provided with fans, the rear side of each slide block is fixedly connected with two mounting plates which are symmetrically distributed, the rear side of each slide block is positioned between the two mounting plates and is fixedly provided with a second motor, and a driving gear is fixedly arranged on an output shaft of the second motor, two the mounting panel opposite side all rotates and is connected with the second pivot, two the equal fixed mounting of second pivot looks remote site has driven gear, two driven gear all with driving gear engagement.

Preferably, two the fixed plate opposite side has all seted up the multiunit activity groove, the multiunit the activity groove leaves the equal fixedly connected with reset spring of end inner wall mutually, the multiunit the equal fixedly connected with limiting plate of reset spring looks remote site, the multiunit the equal fixedly connected with carriage release lever of limiting plate opposite side, the multiunit the carriage release lever looks remote site runs through multiunit activity groove respectively and extends to the activity inslot outside and equal fixedly connected with sponge that absorbs water.

Preferably, cabinet body top fixed mounting has first motor, first motor output shaft run through cabinet body top and extend to the internal side of cabinet and with lead screw top fixed connection.

Preferably, the top of the left side of the cabinet body and the top of the right side of the cabinet body are both provided with a plurality of groups of ventilation openings, and the left side and the right side of the cabinet body are positioned on the upper ends of the plurality of groups of ventilation openings and are fixedly connected with a plurality of groups of rain baffles.

Preferably, two equal fixed mounting in first pivot outside has from the driving wheel, two equal fixed mounting in second pivot looks end has the action wheel, two follow the driving wheel respectively with two between the action wheel through belt transmission connection.

Preferably, a first gear ring is fixedly arranged on the side surface of the driving gear, second gear rings are fixedly arranged on the opposite sides of the two driven gears, and the two second gear rings are meshed with the first gear ring.

Compared with the prior art, the utility model has the beneficial effects that: the first motor is started, the walking motor with the first motor model being 42 motors, the output shaft of the first motor is provided with a speed reducer, the rotating speed of the first motor can be controlled, the first motor further drives the screw rod to rotate, so that the slide block rotates on the outer side of the screw rod, but under the matching of a fixed rod, the slide block is limited to do circumferential rotation, so that the slide block moves up and down on the outer sides of the screw rod and the fixed rod, so that two first rotating shafts are driven to move up and down, so that two fans are driven to move up and down, the second motor is started, the walking motor with the second motor model being yyD83-4 is driven by the second motor to rotate the driving gear, so that the first gear ring is driven to rotate, the first gear ring is meshed with the two second gear rings, so that the two second gear rings are driven to rotate, so that the two driven gears are driven to rotate, so that the two second rotating shafts are driven to rotate, so that the two driving wheels are driven to rotate, under the transmission of a belt, thereby driving two driven wheels to rotate, further driving two first rotating shafts to rotate, further driving two fans to rotate, under the action of the two fans, thereby diffusing high-temperature gas in the cabinet body, the diffused high-temperature gas is discharged out of the cabinet body from the plurality of groups of ventilation openings, external gas enters the cabinet body from the plurality of groups of ventilation openings, thereby forming convection of gas in the cabinet body and external gas, thereby cooling the cabinet body, when water drops are formed at the bottom end of the cabinet body, under the action of the water absorption sponge, the water drops are absorbed, the water absorption sponge after absorbing the water drops expands, thereby enabling the plurality of groups of moving rods to move towards the inner side of the movable groove, thereby compressing the plurality of groups of reset springs, when the water absorption sponge does not absorb water any more, under the action of the plurality of groups of reset springs, thereby enabling the plurality of groups of moving rods to move towards the outer side of the movable groove, thereby to the sponge that absorbs water extrudees, thereby extrude the water in the sponge that absorbs water, can make the sponge that absorbs water drop as early as possible dry, when having water droplet to form again, the sponge that absorbs water can continue to absorb the water droplet, thereby can prevent that the water droplet of cabinet body bottom from entering into cabinet internal portion, the entering of having avoided cabinet internal portion because of the water droplet becomes moist, influence the circuit component of cabinet internal portion, the device radiating effect is good, cabinet internal portion temperature has reduced, the life of internal circuit component has been improved, and the emergence of potential safety hazard has also been avoided, and the water droplet of cabinet body bottom is difficult to get into cabinet internal portion, make the circuit component of cabinet internal portion can normally work.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the structure of the connection between the sliding block and the lead screw according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: 1. a cabinet body; 2. a fixing plate; 3. a travel bar; 4. a water-absorbing sponge; 5. a connecting plate; 6. a rain shield; 7. a first motor; 8. a limiting plate; 9. a screw rod; 10. fixing the rod; 11. a first rotating shaft; 12. a driven wheel; 13. a vent; 14. a fan; 15. a belt; 16. a slider; 17. mounting a plate; 18. a second rotating shaft; 19. a driven gear; 20. a driving gear; 21. a return spring; 22. a driving wheel; 23. a second motor; 24. a movable groove.

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, fig. 2, fig. 3 and fig. 4, the present invention provides the following technical solutions: a low-voltage reactive power compensation cabinet comprises a cabinet body 1, wherein the left bottom end and the right bottom end of the cabinet body 1 are fixedly connected with connecting plates 5, two connecting plates 5 are fixedly connected with a fixed plate 2 at the separated side, the top part and the inner bottom part of the cabinet body 1 are rotatably connected with lead screws 9, the outer side of each lead screw 9 is in threaded connection with a slide block 16, the bottom part of the inner side of the cabinet body 1 at the front end of each lead screw 9 is fixedly connected with a fixed rod 10, the top end of the fixed rod 10 penetrates through the bottom part of the slide block 16 to extend to the top part of the slide block 16 and is fixedly connected with the top part of the inner side of the cabinet body 1, the left side and the right side of the slide block 16 are rotatably connected with first rotating shafts 11, two fans 14 are fixedly installed at the separated ends of the first rotating shafts 11, two mounting plates 17 which are symmetrically distributed are fixedly connected at the rear side of the slide block 16, a second motor 23 is fixedly installed between the two mounting plates 17 at the rear side of the slide block 16, the output shaft of the second motor 23 is fixedly provided with a driving gear 20, the opposite sides of the two mounting plates 17 are rotatably connected with second rotating shafts 18, opposite ends of the two second rotating shafts 18 are fixedly provided with driven gears 19, and the two driven gears 19 are meshed with the driving gear 20.

Referring to fig. 1 and 4, a plurality of sets of movable grooves 24 are formed on opposite sides of two fixed plates 2, inner walls of opposite ends of the plurality of sets of movable grooves 24 are fixedly connected with a return spring 21, opposite ends of the plurality of sets of return springs 21 are fixedly connected with a limiting plate 8, opposite sides of the plurality of sets of limiting plates 8 are fixedly connected with movable rods 3, opposite ends of the plurality of sets of movable rods 3 respectively penetrate through inner walls of opposite ends of the plurality of sets of movable grooves 24 to extend to the outer sides of the movable grooves 24 and are fixedly connected with water-absorbing sponges 4, the water-absorbing sponges 4 expand after absorbing water, so that the plurality of sets of moving rods 3 move towards the inner side of the moving groove 24, thereby compressing the plurality of sets of return springs 21, when the water absorption sponge 4 does not absorb water any more, under the action of the groups of return springs 21, the groups of moving rods 3 move to the outer side of the moving groove 24, so that the water-absorbing sponge 4 is extruded, and water in the water-absorbing sponge 4 is extruded;

referring to fig. 1 and 2, a first motor 7 is fixedly installed at the top of the cabinet body 1, an output shaft of the first motor 7 penetrates through the top of the cabinet body 1, extends to the inner side of the cabinet body 1 and is fixedly connected with the top end of the screw rod 9, and when the first motor 7 rotates, the screw rod 9 can be driven to rotate, so that the sliding block 16 moves up and down on the outer side of the screw rod 9;

referring to fig. 1 and 2, a plurality of groups of ventilation openings 13 are formed at the top end of the left side and the top end of the right side of the cabinet body 1, a plurality of groups of rain baffles 6 are fixedly connected to the upper ends of the plurality of groups of ventilation openings 13 at the left side and the right side of the cabinet body 1, and the cabinet body 1 is conveniently ventilated under the action of the plurality of groups of ventilation openings 13, so that the cabinet body 1 is cooled;

referring to fig. 3, driven wheels 12 are fixedly mounted on the outer sides of the two first rotating shafts 11, driving wheels 22 are fixedly mounted on the opposite ends of the two second rotating shafts 18, the two driven wheels 12 are respectively in transmission connection with the two driving wheels 22 through belts 15, and when the two driving wheels 22 rotate, the two driven wheels 12 are driven to rotate under the transmission of the belts 15;

referring to fig. 3, a first gear ring is fixedly disposed on a side surface of the driving gear 20, second gear rings are fixedly disposed on opposite sides of the two driven gears 19, and both the second gear rings are engaged with the first gear ring, when the driving gear 20 rotates, the driving gear drives the first gear ring to rotate, the first gear ring is engaged with both the second gear rings, and then the driving gear drives both the second gear rings to rotate, and further drives the two driven gears 19 to rotate;

the working principle is as follows: when the walking-type electric fan is used, the first motor 7 is started, the type of the first motor 7 is 42, the output shaft of the first motor 7 is provided with a speed reducer, the rotating speed of the first motor 7 can be controlled, the first motor 7 further drives the screw rod 9 to rotate, further the slide block 16 rotates outside the screw rod 9, but under the matching of the fixing rod 10, the slide block 16 is limited to rotate circularly, the slide block 16 moves up and down outside the screw rod 9 and the fixing rod 10, further the two first rotating shafts 11 are driven to move up and down, further the two fans 14 are driven to move up and down, the second motor 23 is started, the walking-type electric motor with the type of the second motor 23 being yyD83-4 is limited, the second motor 23 drives the driving gear 20 to rotate, further drives the first gear ring to rotate, the first gear ring is meshed with the two second gear rings, further the two second gear rings are driven to rotate, further the two driven gears 19 are driven to rotate, then the two second rotating shafts 18 are driven to rotate, and then the two driving wheels 22 are driven to rotate, under the transmission of the belt 15, the two driven wheels 12 are driven to rotate, and then the two first rotating shafts 11 are driven to rotate, and then the two fans 14 are driven to rotate, under the action of the two fans 14, high-temperature gas in the cabinet body 1 is diffused, the diffused high-temperature gas is discharged out of the cabinet body 1 from the plurality of groups of ventilation openings 13, external gas enters the cabinet body 1 from the plurality of groups of ventilation openings 13, so that convection of the gas in the cabinet body 1 and the gas outside is formed, and therefore the cabinet body 1 is cooled, when water drops are formed at the bottom end of the cabinet body 1, under the action of the water absorption sponge 4, the water absorption sponge 4 absorbing the water drops is expanded, so that the plurality of groups of moving rods 3 move towards the inner side of the movable groove 24, and therefore the plurality of groups of return springs 21 are compressed, when the water absorption sponge 4 does not absorb water any more, the groups of moving rods 3 are moved to the outer side of the movable groove 24 under the action of the groups of return springs 21, thereby extruding the water absorption sponge 4, extruding the water in the water absorption sponge 4, draining the water absorption sponge 4 as soon as possible, when water drops are formed, the water absorption sponge 4 can continuously absorb the water drops, thereby preventing water drops at the bottom end of the cabinet body 1 from entering the cabinet body 1, avoiding the circuit elements inside the cabinet body 1 from being affected due to the fact that the interior of the cabinet body 1 becomes damp due to the entering of the water drops, having good heat dissipation effect, reducing the temperature inside the cabinet body 1, prolonging the service life of the internal circuit elements, and the potential safety hazard is avoided, and the water drops at the bottom end of the cabinet body 1 are not easy to enter the cabinet body 1, so that the circuit elements in the cabinet body 1 can work normally.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides a low pressure reactive power compensation cabinet, includes cabinet body (1), its characterized in that: the cabinet body is characterized in that the left side bottom end and the right side bottom end of the cabinet body (1) are fixedly connected with connecting plates (5), two connecting plates (5) are fixedly connected with fixing plates (2) away from each other and fixed with fixing plates (2), the inner side top and the inner side bottom of the cabinet body (1) are rotatably connected with lead screws (9), the outer side of each lead screw (9) is in threaded connection with a slider (16), the inner side bottom of the cabinet body (1) is positioned at the front ends of the lead screws (9) and fixedly connected with fixing rods (10), the top ends of the fixing rods (10) penetrate through the bottoms of the sliders (16) and extend to the tops of the sliders (16) and are fixedly connected with the inner side top of the cabinet body (1), the left side and the right side of each slider (16) are rotatably connected with first rotating shafts (11), two fans (14) are fixedly mounted at the away ends of the first rotating shafts (11), and two mounting plates (17) which are symmetrically distributed are fixedly connected with the rear side of the slider (16), slider (16) rear side is located fixed mounting between two mounting panels (17) and is had second motor (23), second motor (23) output shaft fixed mounting has driving gear (20), two mounting panel (17) opposite side is all rotated and is connected with second pivot (18), two the equal fixed mounting of second pivot (18) looks remote site has driven gear (19), two driven gear (19) all meshes with driving gear (20).

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