CN114679890A

CN114679890A - Novel electric automatization switch board

Info

Publication number: CN114679890A
Application number: CN202210367585.5A
Authority: CN
Inventors: 冯晓艳; 刘宝良; 杨艳; 曹灿云; 杨清华
Original assignee: Guangdong University of Petrochemical Technology
Current assignee: Guangdong University of Petrochemical Technology
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-06-28

Abstract

The invention discloses a novel electric automation control cabinet, which comprises a cabinet body, wherein a separation filter screen is fixedly connected inside the cabinet body, the separation filter screen separates the inside of the cabinet body into an electric appliance cavity and an equipment cavity, and the electric appliance cavity is positioned above the equipment cavity; the electric appliance cavity is used for mounting electric appliance elements, and the air cooling device is mounted in the equipment cavity; an air inlet is formed in the bottom of the side wall of the cabinet body, an air outlet is formed in the top end of the cabinet body, and an exhaust mechanism is installed at the top end of the air outlet. According to the novel electric automation control cabinet provided by the invention, the air inlet and the air outlet are respectively arranged at the bottom and the top of the cabinet body, so that air convection can be caused by the temperature difference between the inside and the outside of the cabinet body, and the replacement speed of the air inside the cabinet body is accelerated; and through at the internal air heat sink that sets up of cabinet, even when the outside air temperature is higher, also can carry out the heat transfer cooling to the air that enters into in the cabinet body, avoid the internal electrical components high temperature of cabinet, when guaranteeing electrical components life, also reduced the risk of conflagration breaing out.

Description

Novel electric automatization switch board

Technical Field

The invention relates to the technical field of control cabinets, in particular to a novel electric automation control cabinet.

Background

At present, an electric automation control cabinet is infrastructure in the field of electric automation, is commonly used for placing electric equipment, and can prevent the electric equipment from being exposed in a complex air environment, so that disasters such as equipment damage or fire disasters caused by electric leakage are avoided.

Electrical components in the switch board can produce a large amount of heats at the during operation, however the novel switch board thermal diffusivity of current electric automatization is relatively poor, is difficult to discharge the heat that the internal distributing of cabinet, leads to the component temperature too high easily, has the hidden danger of taking place the conflagration, for this reason, we provide a novel switch board of electric automatization.

Disclosure of Invention

The invention aims to provide a novel electric automation control cabinet to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a novel electric automation control cabinet which comprises a cabinet body, wherein a separation filter screen is fixedly connected inside the cabinet body, the separation filter screen separates the inside of the cabinet body into an electric appliance cavity and an equipment cavity, and the electric appliance cavity is positioned above the equipment cavity; the electric appliance cavity is used for mounting electric appliance elements, and an air cooling device is mounted in the equipment cavity; the air inlet has been seted up to cabinet side wall bottom, the gas vent has been seted up to cabinet body top, exhaust mechanism is installed on the gas vent top.

Preferably, the air cooling device comprises a heat exchange mechanism, the heat exchange mechanism comprises a water tank placed at the bottom of the equipment cavity, and a plurality of groups of heat exchange fins are arranged above the water tank; the two sides of the water tank are respectively communicated with a water outlet pipe and a water return pipe, the tail ends of the water outlet pipe and the water return pipe are respectively and fixedly connected with a water distribution pipe, and two ends of a plurality of groups of heat exchange fins are respectively communicated with the two water distribution pipes; and a water pump is arranged in the water tank, and the water outlet end of the water pump is communicated with the water outlet pipe.

Preferably, the air cooling device further comprises a blowing mechanism, the blowing mechanism comprises a fan frame positioned above the heat exchange fins, and fans are fixedly mounted on the fan frame; the cabinet is characterized in that a mounting plate is fixedly connected to the inner wall of the cabinet body, and the fan frame is mounted on the mounting plate.

Preferably, a fan adjusting part is arranged in the equipment cavity, the fan adjusting part comprises a first motor fixedly mounted at the top of the water tank, an output shaft of the first motor is fixedly connected with a half gear, and the half gear is located above the heat exchange fins; toothed plates are symmetrically arranged on two sides of the half gear, and the half gear is meshed with the two toothed plates respectively; two ends of the toothed plate are fixedly connected with guide rods, and the guide rods are in limit sliding connection with the mounting plate; the top of the two ends of the toothed plate is fixedly connected with vertical plates, the fan frame is located between the vertical plates, and the fan frame is installed above the toothed plate through the vertical plates.

Preferably, the outer wall of the fan frame is symmetrically and fixedly connected with a rotating shaft, and the fan frame is in rotating fit with the vertical plate through the rotating shaft; one side fixedly connected with second motor that fan frame was kept away from to the riser, the output shaft of second motor with arbitrary pivot transmission cooperation.

Preferably, an isolation cover is fixedly installed at the bottom of the equipment cavity, a refrigerator is installed in the isolation cover, and an output end of the refrigerator extends into the water tank; the cabinet body is provided with a ventilation port which is communicated with the isolation cover.

Preferably, an upright post is fixedly connected in the water tank, a stirring impeller is sleeved at the top of the upright post, and the stirring impeller is rotatably connected with the upright post; one end of the water return pipe, which is far away from the heat exchange fins, extends into the water tank, and the water return pipe and the stirring impeller are correspondingly arranged.

Preferably, one end of the water return pipe, which is positioned in the water tank, is provided with a necking.

Preferably, the air inlet and the air vent are both provided with a filter screen.

Preferably, exhaust mechanism includes fixed mounting and is in exhaust pipe in the exhaust port, the blast pipe top is rotated and is connected with exhaust passage, the blast pipe with exhaust passage intercommunication, the filter screen is all installed at exhaust passage both ends.

The invention discloses the following technical effects: according to the novel electric automation control cabinet provided by the invention, the air inlet and the air outlet are respectively arranged at the bottom and the top of the cabinet body, so that air convection can be caused by the temperature difference between the inside and the outside of the cabinet body, and the replacement speed of the air inside the cabinet body is accelerated; and through at the internal air heat sink that sets up of cabinet, even when the outside air temperature is higher, also can carry out the heat transfer cooling to the air that enters into in the cabinet body, avoid the internal electrical components high temperature of cabinet, when guaranteeing electrical components life, also reduced the risk of conflagration breaing out.

Drawings

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

FIG. 1 is a schematic structural diagram of the novel electrical automation control cabinet of the present invention;

FIG. 2 is a top view of the fan adjustment portion of the present invention;

FIG. 3 is a top cross-sectional view of the vent mechanism of the present invention;

the water-cooling type water-cooling cabinet comprises a cabinet body-1, a cabinet door-2, a separation filter screen-3, a water tank-4, heat exchange fins-5, a water outlet pipe-6, a water return pipe-7, a water distribution pipe-8, a water pump-9, a fan frame-10, a fan-11, a mounting plate-12, a first motor-13, a half gear-14, a toothed plate-15, a guide rod-16, a vertical plate-17, a rotating shaft-18, a second motor-19, an isolation cover-20, a refrigerator-21, an upright post-22, a stirring impeller-23, a filter screen-24, an exhaust pipe-25, an exhaust channel-26, a guide plate-27 and an arc-shaped guide cover-28.

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 order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The invention provides a novel electric automation control cabinet, which comprises a cabinet body 1, wherein a cabinet door 2 is installed on the cabinet body 1, a separation filter screen 3 is fixedly connected inside the cabinet body 1, the separation filter screen 3 separates the inside of the cabinet body 1 into an electric appliance cavity and an equipment cavity, and the electric appliance cavity is positioned above the equipment cavity; the electric appliance cavity is used for mounting electric appliance elements, and the air cooling device is mounted in the equipment cavity; an air inlet is formed in the bottom of the side wall of the cabinet body 1, an air outlet is formed in the top end of the cabinet body 1, and an exhaust mechanism is installed at the top end of the air outlet.

Further, in order to reduce the temperature of the air entering the cabinet body 1 and utilize the temperature reduction of electrical elements in the electrical appliance cavity, the air cooling device comprises a heat exchange mechanism, the heat exchange mechanism comprises a water tank 4 placed at the bottom of the equipment cavity, and a plurality of groups of heat exchange fins 5 are arranged above the water tank 4; two sides of the water tank 4 are respectively communicated with a water outlet pipe 6 and a water return pipe 7, the tail ends of the water outlet pipe 6 and the water return pipe 7 are respectively and fixedly connected with a water distribution pipe 8, and two ends of the groups of heat exchange fins 5 are respectively communicated with the two water distribution pipes 8; a water pump 9 is arranged in the water tank 4, and the water outlet end of the water pump 9 is communicated with the water outlet pipe 6.

Further, in order to improve the cooling effect on the electrical components by improving the amount of air entering the electrical cavity, the air cooling device further comprises a blowing mechanism, the blowing mechanism comprises a fan frame 10 positioned above the heat exchange fins 5, and a fan 11 is fixedly installed on the fan frame 10; the inner wall of the cabinet body 1 is fixedly connected with a mounting plate 12, and a fan frame 10 is mounted on the mounting plate 12.

Further, in order to improve the blowing range of the fan 11 and ensure the cooling effect on the electrical components, a fan adjusting part is arranged in the equipment cavity, the fan adjusting part comprises a first motor 13 fixedly installed at the top of the water tank 4, a half gear 14 is fixedly connected to an output shaft of the first motor 13, and the half gear 14 is located above the heat exchange fins 5; toothed plates 15 are symmetrically arranged on two sides of the half gear 14, and the half gear 14 is meshed with the two toothed plates 15 respectively; both ends of the toothed plate 15 are fixedly connected with guide rods 16, and the guide rods 16 are in limit sliding connection with the mounting plate 12; the equal fixedly connected with riser 17 in pinion rack 15 both ends top, fan frame 10 are located between two risers 17, and fan frame 10 passes through riser 17 to be installed in pinion rack 15 top.

Furthermore, in order to conveniently control the blowing angle of the fan 11, the outer wall of the fan frame 10 is symmetrically and fixedly connected with a rotating shaft 18, and the fan frame 10 is in rotating fit with the vertical plate 17 through the rotating shaft 18; one side of the vertical plate 17 far away from the fan frame 10 is fixedly connected with a second motor 19, and an output shaft of the second motor 19 is in transmission fit with any rotating shaft 18.

Further, when the outside air temperature is high, in order to ensure the cooling effect of the electrical elements in the cabinet body 1, an isolation cover 20 is fixedly installed at the bottom of the equipment cavity, a refrigerator 21 is installed in the isolation cover 20, and the output end of the refrigerator 21 extends into the water tank 4; the cabinet body 1 is provided with a ventilation port which is communicated with the isolation hood 20.

Further, in order to ensure that the cold energy generated by the refrigerator 21 can be fully contacted with the water in the water tank 4, an upright column 22 is fixedly connected in the water tank 4, a stirring impeller 23 is sleeved at the top of the upright column 22, and the stirring impeller 23 is rotatably connected with the upright column 22; one end of the water return pipe 7, which is far away from the heat exchange fins 5, extends into the water tank 4, and the water return pipe 7 is arranged corresponding to the stirring impeller 23; in order to ensure that the stirring impeller 23 can rotate due to the backwater in the backwater pipe 7, one end of the backwater pipe 7, which is positioned in the water tank 4, is provided with a necking.

Further, for improving the air change speed in the cabinet body 1, exhaust mechanism includes fixed mounting at the intraoral blast pipe 25 of exhaust, and blast pipe 25 top is rotated and is connected with exhaust passage 26, and blast pipe 25 and exhaust passage 26 intercommunication, for avoiding impurity such as dust to enter into cabinet body 1, guarantee that electrical components's life is not influenced, all install filter screen 24 on exhaust passage 26 both ends, air inlet and the scavenge port.

When the novel electric automation control cabinet provided by the invention is used, external air enters from the air inlet at the bottom of the cabinet body 1, and heat generated by electric elements in the electric appliance cavity during operation heats the air in the electric appliance cavity and is exhausted from the air outlet, so that air convection is caused by the temperature difference between the inside and the outside of the cabinet body 1, and the replacement speed of the air in the cabinet body 1 is accelerated.

For the change speed of the interior air of further improvement cabinet body 1, at exhaust passage 26 both ends respectively fixed guide plate 27, two guide plates 27 are central symmetry setting about the gas vent, and the internal and external difference in temperature of cabinet body 1 causes the air convection current under the effect of guide plate 27, can promote exhaust passage 26 rotatory to utilize centrifugal force's negative pressure effect to discharge the air in the cabinet body 1 fast. In addition, can also set up arc kuppe 28 at the exit end of blast pipe 25, arc kuppe 28 is fixed in exhaust passage 26, a plurality of exhaust hole has been seted up on arc kuppe 28, exhaust setting in exhaust hole can guarantee that blast pipe 25 can be normal exhausts, guarantee that the internal air convection that can form of the cabinet can 1, and arc kuppe 28's setting then can be under windy condition, make the wind that enters into in exhaust passage 26 can be in the acceleration of arc kuppe 28 department wind speed, thereby further accelerate the air in the exhaust cabinet body 1, the effect of the internal air convection of the improvement cabinet body 1.

When normal air convection can not meet the requirement of cooling the electrical elements in the cabinet body 1, the fan 11 is started, the convection speed of the air in the cabinet body 1 is increased by the fan 11, and therefore the heat in the cabinet body 1 can be discharged quickly. In addition, for improving the blowing effect of the fan 11, the inclination angle of the fan 11 can be changed by controlling the starting of the second motor 19 and the rotation direction of the output shaft of the second motor 19, so that the fan 11 can be used for directly blowing the electric appliance component, and the heat generated by the electric appliance component can be taken away quickly.

When the outside air temperature is higher and the electrical component cannot be cooled by normal air convection, the water pump 9 is started, the cooling water in the water tank 4 is pumped to the heat exchange fins 5 by the water pump 9, and the air entering the cabinet body 1 is subjected to heat exchange by the heat exchange fins 5, so that the temperature of the air entering the cavity of the electrical component is reduced. Meanwhile, the refrigerator 21 can be used for cooling water in the water tank 4 by using the refrigerator 21, and the cooling effect of air entering the cabinet body 1 is ensured. At this time, the cooled cold air is difficult to enter the electric appliance cavity under normal conditions, so the heat-exchanged cold air needs to be pumped into the electric appliance cavity by the fan 11 to cool the electric appliance elements. Water after 5 heat exchanges of heat transfer fin, enter into water tank 4 again by wet return 7, because the play water end of wet return 7 sets up to the throat, consequently, water in wet return 7 can be carried out the pressure boost by the throat, thereby through the play velocity of wet return 7 well water, the emergent rivers that can utilize wet return 7 on the one hand form the whirl in water tank 4, on the other hand can utilize wet return 7's emergent rivers to drive impeller 23 and rotate, thereby the cold volume that makes refrigerator 21 produce can be fast and even distribute to in the water body in water tank 4, thereby realize the effect to the whole cooling of water in water tank 4.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The novel electric automation control cabinet is characterized by comprising a cabinet body (1), wherein a separation filter screen (3) is fixedly connected inside the cabinet body (1), the separation filter screen (3) separates the inside of the cabinet body (1) into an electric appliance cavity and an equipment cavity, and the electric appliance cavity is positioned above the equipment cavity; the electric appliance cavity is used for mounting electric appliance elements, and an air cooling device is mounted in the equipment cavity; the air inlet has been seted up to cabinet body (1) lateral wall bottom, the gas vent has been seted up on cabinet body (1) top, exhaust mechanism is installed on the gas vent top.

2. The novel electric automation control cabinet as claimed in claim 1, wherein the air cooling device comprises a heat exchange mechanism, the heat exchange mechanism comprises a water tank (4) placed at the bottom of the equipment cavity, and a plurality of groups of heat exchange fins (5) are arranged above the water tank (4); two sides of the water tank (4) are respectively communicated with a water outlet pipe (6) and a water return pipe (7), the tail ends of the water outlet pipe (6) and the water return pipe (7) are respectively and fixedly connected with a water distribution pipe (8), and two ends of a plurality of groups of heat exchange fins (5) are respectively communicated with the two water distribution pipes (8); a water pump (9) is installed in the water tank (4), and the water outlet end of the water pump (9) is communicated with the water outlet pipe (6).

3. The novel electric automation control cabinet as claimed in claim 2, wherein the air cooling device further comprises a blowing mechanism, the blowing mechanism comprises a fan frame (10) located above the heat exchange fins (5), and a fan (11) is fixedly mounted on the fan frame (10); fixedly connected with mounting panel (12) on the cabinet body (1) inner wall, fan frame (10) are installed on mounting panel (12).

4. The novel electric automation control cabinet of claim 3, characterized in that a fan adjusting part is arranged in the equipment cavity, the fan adjusting part comprises a first motor (13) fixedly mounted on the top of the water tank (4), a half gear (14) is fixedly connected to an output shaft of the first motor (13), and the half gear (14) is located above the heat exchange fins (5); toothed plates (15) are symmetrically arranged on two sides of the half gear (14), and the half gear (14) is meshed with the two toothed plates (15) respectively; two ends of the toothed plate (15) are fixedly connected with guide rods (16), and the guide rods (16) are in limit sliding connection with the mounting plate (12); the equal fixedly connected with riser (17) in pinion rack (15) both ends top, fan frame (10) are located two between riser (17), fan frame (10) pass through riser (17) are installed pinion rack (15) top.

5. The novel electric automation control cabinet of claim 4, characterized in that a rotating shaft (18) is symmetrically and fixedly connected to the outer wall of the fan frame (10), and the fan frame (10) is rotatably matched with the vertical plate (17) through the rotating shaft (18); keep away from riser (17) one side fixedly connected with second motor (19) of fan frame (10), the output shaft of second motor (19) with arbitrary pivot (18) transmission fit.

6. The novel electric automation control cabinet according to claim 2, characterized in that an isolation cover (20) is fixedly installed at the bottom of the equipment chamber, a refrigerator (21) is installed in the isolation cover (20), and the output end of the refrigerator (21) extends into the water tank (4); the cabinet body (1) is provided with a ventilation port which is communicated with the isolation cover (20).

7. The novel electric automation control cabinet according to claim 6 is characterized in that a vertical column (22) is fixedly connected in the water tank (4), a stirring impeller (23) is sleeved on the top of the vertical column (22), and the stirring impeller (23) is rotatably connected with the vertical column (22); one end of the water return pipe (7) far away from the heat exchange fins (5) extends into the water tank (4), and the water return pipe (7) and the stirring impeller (23) are correspondingly arranged.

8. The novel electric automation control cabinet according to claim 7 is characterized in that one end of the return pipe (7) in the water tank (4) is provided with a necking.

9. The new electric automation control cabinet of claim 6, characterized in that a filter screen (24) is installed on both the air inlet and the air vent.

10. The novel electric automation control cabinet of claim 1, wherein the exhaust mechanism comprises an exhaust pipe (25) fixedly installed in the exhaust port, an exhaust channel (26) is rotatably connected to the top end of the exhaust pipe (25), the exhaust pipe (25) is communicated with the exhaust channel (26), and a filter screen (24) is installed at each of two ends of the exhaust channel (26).