CN111313293A

CN111313293A - Dustproof high voltage distribution cabinet dispels heat

Info

Publication number: CN111313293A
Application number: CN202010303087.5A
Authority: CN
Inventors: 王庆普; 郭以超; 公晓彬; 宋宁宁; 郭涛
Original assignee: Shandong Dingsheng Electrical Equipment Co ltd
Current assignee: Shandong Dingsheng Electrical Equipment Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-06-19

Abstract

The invention discloses a heat-dissipation and dust-prevention high-voltage power distribution cabinet, which comprises a cabinet body, wherein the front side surface of the cabinet body is provided with a cabinet door rotationally connected with the cabinet body through a hinge shaft, a plurality of equipment plates are arranged in the cabinet body, the outer side wall of the cabinet body is fixedly provided with a heat dissipation box and a circulating pump, the circulating pump is positioned below the heat dissipation box, a heat exchange structure is arranged in the heat dissipation box, the heat exchange structure comprises an inner exchange tube and an outer exchange sleeve, the outer exchange sleeve is sleeved outside the inner exchange tube, a plurality of heat dissipation fins in the horizontal direction are fixed on the outer exchange sleeve, the front ends of the heat dissipation fins extend out of the heat dissipation box, the upper end and the lower end of the inner exchange tube are respectively; when this device dispels the heat, carries out inside cooling through the endless coolant liquid, distinguishes conventional air-cooled mode, has avoided inside and outside air contact, not only effectively guarantees the internal good temperature environment of cabinet, has also avoided the entering of dust simultaneously, has improved the security of switch board work greatly.

Description

Dustproof high voltage distribution cabinet dispels heat

Technical Field

The invention relates to electrical equipment, in particular to a heat-dissipation and dustproof high-voltage power distribution cabinet.

Background

The high-voltage power distribution cabinet is an electrical product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and plays roles of on-off, control or protection and the like, the voltage level is 3.6kV-550kV, the high-voltage power distribution cabinet mainly comprises high-voltage switches such as a high-voltage circuit breaker, a high-voltage isolating switch, a high-voltage load switch, a grounding switch and the like, and because a large amount of electrical equipment exists in the high-voltage power distribution cabinet, the high-temperature condition inside the cabinet body can often.

The Chinese patent publication No. CN209016522U provides a heat-dissipation and dust-prevention high-voltage power distribution cabinet, which can dissipate heat of a high-voltage switch by blowing out wind generated by a blower from an air outlet pipe, prevent short circuit or fire caused by overhigh working temperature of the high-voltage switch and greatly improve the safety of the high-voltage power distribution cabinet; the setting of filtering the yarn can keep the internal ventilation of cabinet so that the heat dissipation, can prevent simultaneously that the dust from getting into cabinet internal portion, plays dustproof effect, but under the fact operational environment, the flow of air must lead to the fact the entering of dust, and the setting of filtering the yarn can not block the adhesion of dust completely, especially the condition that electrostatic absorption appears easily on this kind of surface of electrical equipment.

Disclosure of Invention

The invention aims to provide a heat-dissipation and dust-proof high-voltage power distribution cabinet to solve the problems in the background technology.

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

a heat-dissipation dustproof high-voltage power distribution cabinet comprises a cabinet body, a cabinet door is arranged on the front side surface of the cabinet body and is rotatably connected with the cabinet body through a hinge shaft, a plurality of equipment plates are arranged in the cabinet body, a heat dissipation box and a circulating pump are fixed on the outer side wall of the cabinet body, the circulating pump is positioned below the heat dissipation box, a heat exchange structure is arranged in the heat dissipation box, the heat exchange structure comprises an inner exchange tube and an outer exchange sleeve, the outer exchange sleeve is sleeved outside the inner exchange tube, a plurality of radiating fins in the horizontal direction are fixed on the outer exchange sleeve, the front ends of the radiating fins extend out of the radiating box, the upper end and the lower end of the inner exchange pipe are respectively provided with a return pipe and a pressure increasing pipe, the lower end of the pressure increasing pipe is connected with a circulating pump, the central authorities are equipped with vertical center pillar pipe in the cabinet body, and center pillar pipe upper end and back flow butt joint, center pillar pipe lower extreme pass through the connecting pipe and dock with the circulating pump, and center pillar pipe, back flow, interior interchange pipe, pressure boost pipe and circulating pump form sealed loop.

The bottom of the equipment plate is provided with a cooling coil pipe attached to the equipment plate, and the cooling coil pipe is communicated with the middle column pipe; a dust remover is arranged at the top in the cabinet body; the dust remover comprises a rectangular shell, the shell is hollow, two ends of the shell are of an open structure, two ends of the shell are respectively provided with an exhaust fan and an induced draft fan, a dust removing net and a dehumidifying net are arranged in the shell, the dust removing net is arranged close to the exhaust fan, and the dehumidifying net is arranged close to the induced draft fan; the dust removal net is an activated carbon adsorption net, and the dehumidification net is a plastic net filled with absorbent cotton; the top of the shell is provided with a plurality of suspension rods, the upper ends of the suspension rods are fixed on the top surface in the cabinet body, and spring parts are arranged in the suspension rods.

As a preferred embodiment of the present invention: two sockets are arranged on the side surface of the dust remover, the dust removing net and the dehumidifying net are respectively inserted into the corresponding sockets and are in sliding connection with the sockets, sealing plates are arranged on the side surfaces of the dust removing net and the dehumidifying net, and handles are arranged on the outer sides of the sealing plates.

Compared with the prior art, the invention has the beneficial effects that: when this device dispels the heat, carries out inside cooling through the endless coolant liquid, distinguishes conventional air-cooled mode, has avoided inside and outside air contact, not only effectively guarantees the internal good temperature environment of cabinet, has also avoided the entering of dust simultaneously, has improved the security of switch board work greatly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a sectional view of a dust separator according to the present invention.

Fig. 3 is a sectional view of a heat radiating box of the present invention.

FIG. 4 is a perspective view of a dust catcher of the present invention.

In the figure, 1-cabinet body, 2-equipment plate, 3-radiating box, 4-return pipe, 5-circulating pump, 6-booster pipe, 7-dust remover, 8-middle column pipe, 9-cooling coil pipe, 10-inner exchange pipe, 11-outer exchange sleeve, 12-radiating fin, 13-exhaust fan, 14-induced air fan, 15-hanging column, 16-dust removing net, 17-dehumidifying net, 18-sealing plate and 19-handle.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a heat-dissipating and dust-proof high-voltage power distribution cabinet comprises a cabinet body 1, a cabinet door rotatably connected to the front side of the cabinet body 1 through a hinge shaft is provided on the front side of the cabinet body 1, a plurality of equipment boards 2 are provided in the cabinet body 1, a heat-dissipating box 3 and a circulating pump 5 are fixed on the outer side wall of the cabinet body 1, the circulating pump 5 is located below the heat-dissipating box 3, a heat-exchanging structure is provided in the heat-dissipating box 3, the heat-exchanging structure comprises an inner exchanging pipe 10 and an outer exchanging sleeve 11, the outer exchanging sleeve 11 is sleeved outside the inner exchanging pipe 10, a plurality of horizontal heat-dissipating fins 12 are fixed on the outer exchanging sleeve 11, the front ends of the heat-dissipating fins 12 extend out of the heat-dissipating box 3, the upper and lower ends of the inner exchanging pipe 10 are respectively provided with a return pipe 4 and a pressure-increasing pipe 6, the lower end of the pressure-increasing pipe 6, the lower end of the middle column pipe 8 is butted with a circulating pump 5 through a connecting pipe, the middle column pipe 8, the return pipe 4, the inner exchange pipe 10, the booster pipe 6 and the circulating pump 5 form a sealed loop, when the power distribution cabinet works, electric equipment on the equipment board 2 heats up air in the cabinet body 1, heat exchange is carried out between heat exchange liquid added in the middle column pipe 8 and the air in the cabinet body 1 to dissipate heat in the cabinet body 1, the circulating pump 5 is started simultaneously, the warmed cooling liquid in the middle column pipe 8 is brought into the inner exchange pipe 10 through the return pipe 4, the inner exchange pipe 10 exchanges heat with the outer exchange sleeve 11, the outer exchange sleeve 11 is cooled through the radiating fins 12, uninterrupted work of the circulating pump 5 is uninterrupted, uninterrupted continuous heat dissipation in the cabinet body 1 is realized, the electric equipment in the cabinet body 1 works under a normal temperature environment, and the safety of the electric equipment is guaranteed; when the device dispels the heat, carry out inside cooling through the endless coolant liquid, distinguish conventional air-cooled mode, avoided inside and outside air contact, not only effectively guarantee the interior good temperature environment of cabinet body 1, also avoided the entering of dust simultaneously, improved the security of switch board work greatly.

Furthermore, the bottom of the equipment board 2 is provided with a cooling coil pipe 9 attached to the bottom, the cooling coil pipe 9 is communicated with the middle column pipe 8, the contact surface of the equipment board 2 and a cooling structure is increased through the arrangement of the cooling coil pipe 9, heat is taken away quickly from a heating source, and therefore the heat dissipation efficiency is greatly improved; the radiating fins 12 are copper sheets, so that the heat conduction efficiency is high.

Meanwhile, the dust remover 7 is arranged at the top in the cabinet body 1, and the dust remover 7 is used for removing dust in the cabinet body 1 at regular time, so that the influence of dust accumulation on electrical equipment due to static electricity on heat dissipation to air is avoided; the dust remover 7 comprises a rectangular shell, the shell is hollow, two ends of the shell are of an open structure, two ends of the shell are respectively provided with an exhaust fan 13 and an induced air fan 14, a dust removing net 16 and a dehumidifying net 17 are arranged in the shell, the dust removing net 16 is arranged close to the exhaust fan 13, the dehumidifying net 17 is arranged close to the induced air fan 14, when the interior of the cabinet body 1 is subjected to dust removal, the exhaust fan 13 and the induced air fan 14 are synchronously started, so that air flow from the induced air fan 14 to the exhaust fan 13 is generated in the shell, circulating air flow is also generated in the cabinet body 1, the air flow drives dust attached to the surface of the electrical equipment to move towards the shell, after the air enters the shell, the air firstly contacts with the dehumidifying net 17 to absorb moisture in the air, and then the dust in the air is adhered through the dust removing net 16, so that the drying in the cabinet body 1 is ensured, and the dust content in the cabinet, the operation safety of the equipment is further ensured; the dust removal net 16 is an activated carbon adsorption net, and the dehumidification net 17 is a plastic net filled with absorbent cotton; the casing top is equipped with a plurality of

jibs

15, and 15 upper ends of jib are fixed on the top surface in the cabinet body 1, 15 inside spring parts that have of jib, can cushion the vibrations that the fan produced at the during operation, avoid electrical equipment vibrations impaired.

Example 2:

referring to fig. 4, on the basis of embodiment 1, in order to facilitate the long-time use, the dust remover 7 can also ensure a good dust removal and dehumidification effect, two sockets are formed in the side surface of the dust remover 7, the dust removal net 16 and the dehumidification net 17 are respectively inserted into the corresponding sockets and are in sliding connection with the corresponding sockets, sealing plates 18 are respectively arranged on the side surfaces of the dust removal net 16 and the dehumidification net 17, the sealing plates 18 are used for sealing the sockets after the dust removal net 16 and the dehumidification net 17 are inserted, the flow direction of air fixation is ensured, and a handle 19 is arranged on the outer side of the sealing plates 18, so that the later-stage extraction and replacement work is facilitated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A heat-dissipation and dust-prevention high-voltage power distribution cabinet comprises a cabinet body (1), wherein a cabinet door rotationally connected with the cabinet body (1) through a hinge shaft is arranged on the front side face of the cabinet body (1), and a plurality of equipment boards (2) are arranged in the cabinet body (1), and the heat distribution cabinet is characterized in that a heat dissipation box (3) and a circulating pump (5) are fixed on the outer side wall of the cabinet body (1), the circulating pump (5) is positioned below the heat dissipation box (3), a heat exchange structure is arranged in the heat dissipation box (3) and comprises an inner exchange tube (10) and an outer exchange sleeve (11), the outer exchange sleeve (11) is sleeved outside the inner exchange tube (10), a plurality of heat dissipation fins (12) in the horizontal direction are fixed on the outer exchange sleeve (11), the front ends of the heat dissipation fins (12) extend out of the heat dissipation box (3), a backflow tube (4) and a pressurizing tube (6) are respectively arranged at the upper, the lower end of the pressurization pipe (6) is connected with the circulating pump (5), a vertical middle column pipe (8) is arranged in the center of the cabinet body (1), the upper end of the middle column pipe (8) is in butt joint with the return pipe (4), the lower end of the middle column pipe (8) is in butt joint with the circulating pump (5) through a connecting pipe, and the middle column pipe (8), the return pipe (4), the inner exchange pipe (10), the pressurization pipe (6) and the circulating pump (5) form a sealed loop.

2. The heat-dissipation and dust-prevention high-voltage power distribution cabinet according to claim 1, wherein a cooling coil (9) attached to the bottom of the equipment plate (2) is arranged at the bottom of the equipment plate, and the cooling coil (9) is communicated with the center pillar (8).

3. The heat-dissipating and dust-preventing high-voltage power distribution cabinet according to claim 1 or 2, wherein a dust remover (7) is arranged at the top inside the cabinet body (1).

4. The heat-dissipation and dust-prevention high-voltage power distribution cabinet according to claim 3, wherein the dust collector (7) comprises a rectangular casing, the casing is hollow, the two ends of the casing are of an open structure, an exhaust fan (13) and an induced air fan (14) are respectively arranged at the two ends of the casing, and a dust collection net (16) and a dehumidification net (17) are arranged in the casing.

5. A heat-dissipating and dust-proof high-voltage distribution cabinet according to claim 4, characterized in that the dust-removing net (16) is arranged close to the exhaust fan (13) and the moisture-removing net (17) is arranged close to the induced air fan (14).

6. The heat-dissipation and dust-prevention high-voltage power distribution cabinet according to claim 5, wherein the dust-removal net (16) is an activated carbon adsorption net, and the dehumidification net (17) is a plastic net filled with moisture absorption cotton.

7. The heat-dissipation and dust-prevention high-voltage power distribution cabinet according to claim 4, wherein a plurality of suspension rods (15) are arranged at the top of the casing, and the upper ends of the suspension rods (15) are fixed on the inner top surface of the cabinet body (1).

8. A heat-dissipating and dust-proof high-voltage distribution cabinet according to claim 7, characterized in that the suspension bar (15) has a spring member inside.

9. The heat-dissipation and dust-prevention high-voltage power distribution cabinet according to claim 4, wherein two sockets are formed in the side surface of the dust remover (7), the dust removal net (16) and the dehumidification net (17) are respectively inserted into the corresponding sockets and are in sliding connection with the corresponding sockets, and sealing plates (18) are arranged on the side surfaces of the dust removal net (16) and the dehumidification net (17).

10. The high voltage distribution cabinet with heat dissipation and dust prevention according to claim 9, characterized in that a handle (19) is provided outside the sealing plate (18).