CN209948686U

CN209948686U - Low-voltage reactive power compensation device

Info

Publication number: CN209948686U
Application number: CN201921222956.0U
Authority: CN
Inventors: 冀中程; 刘俊峰; 李辛阳; 齐红娟
Original assignee: Zhengzhou Vorong Electrical Equipment Co Ltd
Current assignee: Zhengzhou Vorong Electrical Equipment Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-01-14
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a low-voltage reactive power compensation device, which comprises a box body, wherein a box door is arranged on the box body, a fixed table is arranged in the box body, a reactive power compensator is fixedly placed on the fixed table, an exhaust hole is arranged at the upper part of the box body, and a one-way ventilation valve is arranged in the exhaust hole; the box body is internally provided with a ventilating plate, the ventilating plate is provided with a plurality of ventilating holes and is connected with the fixed platform, water accumulating grooves are arranged on two sides of the ventilating plate and are fixedly connected with the inner wall of the box body, a plurality of guide plates are arranged right above the water accumulating grooves and on the inner wall of the box body, the bottom of the box body is provided with a drainage groove, and the drainage groove is matched with the water accumulating grooves; the both sides of ventilating board lower part all are connected with the bottom half through supporting the swash plate, just are equipped with a row of fan in the bottom half between the adjacent swash plate that supports, and the exhaust fan cooperatees with the ventilating board. The utility model discloses overall structure designs compactly, guarantees directional ventilation in the box, improves reactive power compensator's radiating efficiency greatly, has fine popularization and application prospect.

Description

Low-voltage reactive power compensation device

Technical Field

The utility model relates to a low pressure distribution reactive compensation's technical field especially relates to a low pressure reactive power compensator.

Background

The reactive compensation device plays a role in an electronic power supply system in improving the power factor of a power grid, reducing the loss of a power supply transformer and a transmission line, improving the power supply efficiency, improving the power supply environment and having profound influence significance on the whole power supply system; a large amount of electric elements pile up inside the low pressure reactive power compensator cabinet on the market at present, electric elements moves for a long time, gather a large amount of heats in the low pressure reactive power compensator cabinet, if can not in time ventilation cooling, the interior electric fire that extremely easily causes of low pressure reactive power compensator cabinet, though be furnished with ventilation unit in the present low pressure reactive power compensator cabinet, but electric elements surface is little with the air area of contact who flows, and there is not specific heat dissipation channel in the low pressure reactive power compensator cabinet, and then cause the interior disorder of ventilating of low pressure reactive power compensator cabinet, whole radiating effect is poor.

SUMMERY OF THE UTILITY MODEL

To be furnished with ventilation unit in present low pressure reactive compensation cabinet, but the electric elements surface is little with the air area of contact who flows to do not have specific heat dissipation channel in the low pressure reactive compensation cabinet, and then cause the interior disorder of ventilating of low pressure reactive compensation cabinet, the poor technical problem of whole radiating effect, the utility model provides a low pressure reactive compensation device.

In order to solve the above problem, the technical scheme of the utility model is so realized:

a low-voltage reactive power compensation device comprises a box body, wherein a box door is arranged on the box body, a fixed table is arranged in the box body, a reactive power compensator is fixedly placed on the fixed table, a threading hole is formed in the back of the box body, the reactive power compensator is connected with the threading hole through a cable, an exhaust hole is formed in the upper portion of the box body, and a one-way ventilation valve is arranged in the exhaust hole; the box body is internally provided with a ventilating plate, the ventilating plate is provided with a plurality of ventilating holes and is connected with the fixed platform, water accumulating grooves are arranged on two sides of the ventilating plate and are fixedly connected with the inner wall of the box body, a plurality of guide plates are arranged right above the water accumulating grooves and on the inner wall of the box body, the bottom of the box body is provided with a drainage groove, and the drainage groove is matched with the water accumulating grooves; both sides of the lower part of the ventilating plate are connected with the bottom of the box body through supporting inclined plates, a row of fans are arranged between the adjacent supporting inclined plates and at the bottom of the box body, and the fans are matched with the ventilating plate; be equipped with temperature sensor in the box, box back and control panel fixed connection, the control panel is connected with exhaust fan and temperature sensor respectively.

Preferably, a storage battery is arranged in the control panel and connected with a controller, and the controller is respectively connected with the exhaust fan and the temperature sensor.

Preferably, the ventilating board can be dismantled with the fixed station through the connecting plate and be connected, is equipped with the preformed hole on the connecting plate, and the preformed hole passes through screw rod and nut and can dismantle with the ventilation hole and be connected.

Preferably, the drainage channel is connected with the support sloping plate through the baffle and is matched with the baffle, the support sloping plate and the water collecting channel to form a drainage cavity.

Preferably, the drainage grooves and the water accumulation grooves are both provided with drainage holes, and the diameter of the drainage holes in the drainage grooves is 1.5 ~ 2 times of that of the drainage holes in the water accumulation grooves.

Preferably, still be equipped with humidity transducer in the box, support on the swash plate and be close to one side of exhaust fan and be equipped with the heating resistor silk, humidity transducer and heating resistor silk all are connected with the controller in the control panel.

The utility model has the advantages that: the utility model discloses a be equipped with the exhaust fan at the bottom half, and set up in the outside of exhaust fan and support and form a exhaust chamber between swash plate and the box, be convenient for the exhaust fan to air exhaust to the box inside, set up a temperature sensor in the box and survey the internal temperature condition of box, box upper portion sets up the exhaust hole, and set up one-way ventilation valve in the exhaust hole, and then make the internal specific ventilation heat dissipation passageway from bottom to top that forms of whole box, and the ventilation hole that sets up on the ventilating board wraps up the surface of reactive compensator from bottom to top and similar cylindrical ventilation to the reactive compensator of placing on the fixed station, improve the area of contact between surface of reactive compensator and the air greatly, strengthen whole radiating effect; and set up the guide plate in the box and avoid appearing the condensation on the box inner wall for the comdenstion water drips in the ponding inslot along the guide plate, and the interior condensate water of ponding inslot drips the water drainage tank slowly, and the comdenstion water is discharged fast from the water drainage tank at last, avoids whole comdenstion water to collect the in-process and appears splashing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a bottom view of fig. 1.

Fig. 4 is a schematic view of a connection structure between the vent plate and the inclined support plate in fig. 1.

Fig. 5 is a schematic structural view of embodiment 3.

In the figure, 1 is an exhaust hole, 2 is a fixed platform, 3 is a temperature sensor, 4 is a guide plate, 5 is a ventilation hole, 6 is a drainage groove, 7 is a supporting inclined plate, 8 is a box body, 9 is a humidity sensor, 10 is a water accumulation groove, 11 is a ventilation plate, 12 is an exhaust fan, 13 is a threading hole, and 14 is a control plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, a low-voltage reactive power compensation device comprises a box body 8, a box door is arranged on the box body 8, a fixed table 2 is arranged in the box body 8, a reactive power compensator is fixedly placed on the fixed table 2, a threading hole 13 is arranged on the back of the box body 8, the reactive power compensator passes through the threading hole 13 through a cable and then is connected with related electrical equipment, the cable is arranged in the threading hole 13, an exhaust hole 1 is arranged on the upper portion of the box body 8, a one-way ventilation valve is arranged in the exhaust hole 1 and used for ensuring that directional ventilation is formed in the box body, and air outside the box body is prevented from entering the box body; be equipped with ventilating board 11 in the box 8, be equipped with a plurality of ventilation hole 5 and ventilating board 11 on ventilating board 11 and be connected with fixed station 2, ventilating board 11 can be dismantled with fixed station 2 through the connecting plate and be connected, is equipped with the preformed hole on the connecting plate, and the preformed hole passes through screw rod and nut and can dismantle with the ventilation hole and be connected, makes things convenient for equipment and dismantles the fixed station, and the extension or the renewal of follow-up low pressure reactive power compensator of being convenient for.

As shown in fig. 4, the two sides of the ventilating board 11 are both provided with water accumulating grooves 10, the water accumulating grooves 10 are fixedly connected with the inner wall of the box body 8, a plurality of guide plates 4 are arranged right above the water accumulating grooves 10 and on the inner wall of the box body 8, the bottom of the box body 8 is provided with water drainage grooves 6, the water drainage grooves 6 are matched with the water accumulating grooves 10 and used for draining the condensed water out of the box body, the diameters of the water drainage holes in the water drainage grooves 6 and the water drainage grooves 6 are 1.5 ~ 2 times of the diameters of the water drainage holes in the water accumulating grooves 10, the guide plates are arranged in the box body to avoid condensation on the inner wall of the box body, so that the condensed water drops in the water accumulating grooves along the guide plates, the condensed water in the water accumulating grooves slowly drops in the water drainage grooves, the condensed water is quickly drained.

As shown in fig. 3, 11 lower part both sides of ventilating board are all connected with the box 8 bottom through supporting swash plate 7, support and form a airtight exhaust chamber between swash plate and the ventilating board and the box, adjacent support is between the swash plate 7 and is equipped with a row of fan 12 in the box 8 bottom, exhaust fan 12 inlays on the through-hole of box 8 bottom, the exhaust fan is linked together with the outside, exhaust fan 12 cooperatees with ventilating board 11 and is used for the exhaust fan to the directional ventilation of ventilating board, and then make the interior specific ventilation cooling passageway that forms from bottom to top of whole box, and the ventilation hole that sets up on the ventilating board is to the reactive compensator who places on the fixed station from bottom to top and similar cylindrical ventilation parcel reactive compensator surface, improve the area of contact between reactive compensator surface and the air greatly, reinforcing whole radiating effect.

As shown in fig. 2, be equipped with temperature sensor 3 in the box 8, temperature sensor is used for monitoring the internal temperature variation of box, 8 back and control panel 14 fixed connection of box, control panel 14 is connected with exhaust fan 12 and temperature sensor 3 respectively, be equipped with the battery in the control panel 14, the battery is connected with the controller, the controller adopt STM series singlechip can, STM32F103C8T6 singlechip for example, the controller is connected with exhaust fan 12 and temperature sensor 3 respectively, the controller is connected with the exhaust fan through the relay and is used for controlling the break-make electricity of exhaust fan, because there is not special requirement in the box, consequently temperature sensor adopts conventional temperature sensor on the market can.

Embodiment 2, low pressure reactive power compensator, drain tank 6 is connected with support swash plate 7 through the baffle and drain tank 6 cooperatees with baffle, support swash plate 7 and water accumulation groove 10 and forms a drainage chamber and support the enclosure space that swash plate, water accumulation groove and box 8 enclosed promptly, utilizes the drainage chamber to concentrate the collection to the comdenstion water that drips in the box, avoids the comdenstion water to appear splashing.

The rest of the structure is the same as in example 1.

Embodiment 3, as shown in fig. 5, low-voltage reactive power compensator, still be equipped with humidity transducer 9 in the box 8, the one side that is close to exhaust fan 12 on the support swash plate 7 is equipped with the heating resistor silk, and humidity transducer 9 and heating resistor silk all are connected with the controller in the control panel 14, utilize humidity transducer to the humidity condition real-time supervision in the box, if humidity parameter in the box exceedes the settlement standard, the controller control heating resistor silk circular telegram is generated heat, and the start-up of exhaust fan of controller control carries out heat treatment in the box simultaneously, improves whole heating effect.

The rest of the structure is the same as in example 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-voltage reactive power compensation device comprises a box body (8), wherein a box door is arranged on the box body (8), a fixed table (2) is arranged in the box body (8), a reactive power compensator is fixedly placed on the fixed table (2), a threading hole (13) is formed in the back of the box body (8), and the reactive power compensator is connected with the threading hole (13) through a cable, and is characterized in that an exhaust hole (1) is formed in the upper portion of the box body (8), and a one-way ventilation valve is arranged in the exhaust hole (1); a ventilating plate (11) is arranged in the box body (8), a plurality of ventilating holes (5) are formed in the ventilating plate (11), the ventilating plate (11) is connected with the fixed table (2), water accumulating grooves (10) are formed in two sides of the ventilating plate (11), the water accumulating grooves (10) are fixedly connected with the inner wall of the box body (8), a plurality of guide plates are arranged right above the water accumulating grooves (10) and on the inner wall of the box body (8), drainage grooves (6) are formed in the bottom of the box body (8), and the drainage grooves (6) are matched with the water accumulating grooves (10); both sides of the lower part of the ventilating plate (11) are connected with the bottom of the box body (8) through supporting inclined plates (7), a row of fans (12) are arranged between the adjacent supporting inclined plates (7) and at the bottom of the box body (8), and the fans (12) are matched with the ventilating plate (11); be equipped with temperature sensor (3) in box (8), box (8) back and control panel (14) fixed connection, control panel (14) are connected with exhaust fan (12) and temperature sensor (3) respectively.

2. The low-voltage reactive power compensation device according to claim 1, wherein a storage battery is arranged in the control panel (14), and the storage battery is connected with a controller, and the controller is respectively connected with the exhaust fan (12) and the temperature sensor (3).

3. The low-voltage reactive power compensation device according to claim 1, wherein the ventilation plate (11) is detachably connected with the fixed station (2) through a connecting plate, a reserved hole is formed in the connecting plate, and the reserved hole is detachably connected with the ventilation hole (5) through a screw and a nut.

4. The low-voltage reactive power compensation device according to claim 1, wherein the drainage channel (6) is connected with the inclined support plate (7) through a baffle plate, and the drainage channel (6) is matched with the baffle plate, the inclined support plate (7) and the water collecting channel (10) to form a drainage cavity.

5. The low-voltage reactive power compensation device according to claim 1 or 4, wherein a drain hole is formed in each of the drain tank (6) and the water collecting tank (10), and the diameter of the drain hole in the drain tank (6) is 1.5 ~ 2 times the diameter of the drain hole in the water collecting tank (10).

6. The low-voltage reactive power compensation device according to any one of claims 1 to 4, wherein a humidity sensor (9) is further arranged in the box body (8), a heating resistance wire is arranged on one side of the inclined supporting plate (7) close to the exhaust fan (12), and the humidity sensor (9) and the heating resistance wire are both connected with a controller in the control board (14).