CN109149424B

CN109149424B - Power switch cabinet device for industrial automatic control system

Info

Publication number: CN109149424B
Application number: CN201811142408.7A
Authority: CN
Inventors: 李静静
Original assignee: Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd
Current assignee: Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-01-17
Anticipated expiration: 2038-09-28
Also published as: CN109149424A

Abstract

The invention discloses an electric power switch cabinet device used on an industrial automatic control system, which comprises a switch cabinet body, wherein a base is arranged below the switch cabinet body, the switch cabinet body is fixed on the base, a cabinet door is arranged on the switch cabinet body, a handle is arranged on the cabinet door, a heat dissipation port is arranged at the upper top end of the switch cabinet body, a first heat dissipation fan is arranged in the heat dissipation port, a first dust screen is arranged at the upper end of the heat dissipation port, a rain baffle is arranged above the switch cabinet body and is fixed on the switch cabinet body through a bracket, a raindrop sensor is arranged on the rain baffle, ventilation ports are respectively arranged at the left side and the right side of the lower end of the switch cabinet body, a second heat dissipation fan is arranged at the ventilation port, a rectangular shell for coating the ventilation ports is arranged on the switch cabinet body, a second dust screen, a heat dissipation mechanism and a cleaning mechanism are arranged in the, the switch cabinet body is internally provided with a controller. The invention has the advantages of simple structure and strong practicability.

Description

Power switch cabinet device for industrial automatic control system

Technical Field

The invention relates to the technical field, in particular to a power switch cabinet device for an industrial automatic control system.

Background

The power switch cabinet is a common power infrastructure, and a large number of power components are arranged in the power switch cabinet; because the inside will produce a large amount of heats when power switch cabinet is worked, consequently, must set up the radiator window on power switch cabinet's the lateral wall.

The basic structure of the existing power switch cabinet is a strip-shaped shutter structure which cannot block dust, so that the dust can easily enter the power switch cabinet, and internal power components are damaged. 201711181831.3, comprising an electric cabinet, a display is installed on the front end of the electric cabinet, two sides of the electric cabinet are respectively provided with a louver air inlet, one louver air inlet is arranged on the top end of the electric cabinet, the other is arranged on the bottom end of the electric cabinet, an arc baffle is installed behind the louver air inlet, a settling chamber is installed on the lower end of the electric cabinet, a dust-depositing drawer is installed in the settling chamber, the upper end of the settling chamber is provided with an ash layer inlet, a dust-removing cabinet is installed on the rear end of the electric cabinet, a layer of filter screen is covered between the upper end and the lower end of the dust-removing cabinet, an air inlet pipe is installed under the side edge of the dust-removing cabinet, one end of the air inlet pipe is connected with the outside, the other end is connected with the inside of the dust-removing cabinet, a fan is also installed on the back plate of the electric cabinet, the dust entering from the, and the dust is prevented from entering the electric power cabinet when the dust reaches the settling chamber.

Above-mentioned patent passes through the filter screen and filters the dust, and the dust can be adhered to the inevitable on the long-term back filter screen that uses, leads to the ventilation not smooth, and artifical clearance is wasted time and energy, and its radiator window can not adjust according to the internal actual temperature of cabinet. Therefore, there is a need for a power switchgear apparatus for use on industrial automation control systems to address this problem.

Disclosure of Invention

The invention aims to solve the problems and designs a power switch cabinet device used on an industrial automatic control system.

The technical scheme of the invention is that the power switch cabinet device used on the industrial automatic control system comprises a switch cabinet body, a base is arranged below the switch cabinet body, the switch cabinet body is fixed on the base, a cabinet door is arranged on the switch cabinet body, a handle is arranged on the cabinet door, a heat dissipation port is arranged at the top end of the switch cabinet body, a first cooling fan is arranged in the heat dissipation port, a first dust screen is arranged at the upper end of the heat dissipation port, a rain baffle is arranged above the switch cabinet body and fixed on the switch cabinet body through a bracket, a raindrop sensor is arranged on the rain baffle, ventilation ports are arranged on the left side and the right side of the lower end of the switch cabinet body, a second cooling fan is arranged at the ventilation ports, rectangular shells covering the ventilation ports are fixed on the left side and the right side of the lower end of the switch cabinet body, a second dust screen, a cooling mechanism and a cleaning mechanism are, the cleaning mechanism can clean a second dust screen, a controller is arranged in the switch cabinet body, the heat dissipation mechanism comprises a protective shell fixed on a rectangular shell, a mounting plate is arranged in the protective shell, a stepping motor is arranged on the mounting plate, the rotating end of the stepping motor vertically extends downwards and is provided with a coupler, the other end of the coupler is provided with a screw rod, the screw rod vertically extends downwards into the rectangular shell, a screwed pipe is arranged in the rectangular shell, the screwed pipe and the screw rod are in threaded connection in the rectangular shell, a first sliding rod is arranged on one side of the screwed pipe, the first sliding rod is vertically fixed in the rectangular shell, a sleeve is sleeved on the first sliding rod and can slide on the first sliding rod, the sleeve and the screwed pipe are fixedly connected through a cross rod, one end of the rectangular shell, which is far away from the switch cabinet body, is provided with a heat dissipation window, the heat dissipation window is, two U-shaped groove slide rails which are symmetrically distributed are fixed at the lower end of the heat dissipation plate, pulleys are installed in the U-shaped groove slide rails, the pulleys are connected through a first connecting rod, a plurality of second connecting rods are fixed at one ends of the threaded pipes facing the heat dissipation port, the other ends of the second connecting rods are fixedly connected with the center of the first connecting rod, the cleaning mechanism comprises second slide rods fixed in a rectangular shell, sliding blocks are sleeved on the second slide rods, hairbrushes are fixed at one ends of the sliding blocks facing the switch cabinet body, the bristles of the hairbrushes are attached to a second dustproof net, first clamping pieces are fixed at one ends of the sliding blocks facing the heat dissipation window, second clamping pieces are transversely fixed at one ends of the threaded pipes facing the switch cabinet body, n-shaped connecting rods are movably connected between the second clamping pieces and the first clamping pieces, one ends of the n-shaped connecting rods can move in the second clamping pieces, limiting rings are arranged at two ends of the n-shaped connecting rods and positioned, one end of the n-shaped connecting rod, which is close to the second clamping piece, is connected with a pin shaft, and the other end of the pin shaft is fixed in the rectangular shell.

When the screwed pipe descends to the lowest position, the heat dissipation plate is perpendicular to the switch cabinet body, and the heat dissipation window is completely opened.

The U type groove slide rail is fixed with the stopper towards the one end of screwed pipe, and the stopper can block the pulley and prevent that the pulley from breaking away from U type groove slide rail.

The n-shaped connecting rod forms a lever through a pin shaft, and the length of a power arm of the n-shaped connecting rod is larger than that of a resistance arm of the n-shaped connecting rod.

The screwed pipe is fallen to the in-process of minimum department by the highest place, and the brush can accomplish once clean to the second dust screen.

A plurality of power racks are arranged in the switch cabinet body, and a temperature sensor is arranged at the top end of the switch cabinet body.

The bottom end of the rectangular shell is provided with a dust exhaust port, the dust exhaust port is located between the second sliding rod and the second dustproof net, and dust swept down on the second dustproof net can fall down from the dust exhaust port.

The signal output end of the controller is electrically connected with the signal input ends of the first cooling fan, the second cooling fan and the stepping motor, and the signal input end of the controller is electrically connected with the signal output ends of the raindrop sensor and the temperature sensor.

According to the power switch cabinet device used on the industrial automatic control system, which is manufactured by the technical scheme of the invention, the inclination angle of the heat dissipation plate is adjusted by the heat dissipation mechanism, so that the opening size of the heat dissipation window is adjusted, when the temperature in the switch cabinet body is too high, the heat dissipation window can be greatly opened, the raindrop sensor can detect raining information, the heat dissipation plate is automatically screwed down when raining, so that the heat dissipation window is closed, rainwater is prevented from flowing into the switch cabinet body, the hairbrush can move together in the rotation process of the heat dissipation plate, the dust screen is cleaned, the automatic dust removal function is realized, the ventilation and heat dissipation of the cabinet body are smooth, and the power cabinet is protected.

Drawings

FIG. 1 is a schematic diagram of a power switchgear apparatus for use in an industrial automation control system according to the present invention;

FIG. 2 is a front view of a power switchgear apparatus for use on an industrial automation control system in accordance with the present invention;

FIG. 3 is an enlarged partial view of a power switchgear apparatus for use in an industrial automation control system in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a partial schematic view of the cleaning mechanism of the present invention;

FIG. 6 is a partial schematic view of the heat dissipation mechanism of the present invention;

FIG. 7 is a partial schematic view of the heat dissipation mechanism of the present invention;

in the figure, 1, a switch cabinet body; 2. a base; 3. a cabinet door; 4. a handle; 5. a heat dissipation port; 6. a first heat dissipation fan; 7. a first dust screen; 8. a rain shield; 9. a raindrop sensor; 10. a vent; 11. a second heat dissipation fan; 12. a rectangular housing; 13. a second dust screen; 14. a controller; 15. a protective shell; 16. mounting a plate; 17. a stepping motor; 18. a coupling; 19. a screw; 20. a threaded pipe; 21. a first slide bar; 22. a sleeve; 23. a cross bar; 24. a heat dissipation plate; 25. a rotating shaft; 26. a U-shaped groove slide rail; 27. a pulley; 28. a first connecting rod; 29. a second connecting rod; 30. a second slide bar; 31. a slider; 32. a brush; 33. a first clip member; 34. a second clip member; 35. a n-shaped connecting rod; 36. a limiting ring; 37. a pin shaft; 38. an electric power rack; 39. a temperature sensor; 40. a dust exhaust port; 41. and a heat dissipation window.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 to 7, in this embodiment, when the switch cabinet is in operation, a large amount of heat is generated inside the switch cabinet, the second cooling fan 11 introduces ambient temperature air into the switch cabinet body 1 through the vent 10, the first cooling fan 6 exhausts hot air in the switch cabinet body 1 through the heat outlet 5 to promote air circulation in the switch cabinet body 1, the temperature sensor 39 sends temperature information in the switch cabinet body 1 to the controller 14, and when the temperature in the switch cabinet body 1 exceeds a preset maximum value, the controller 14 controls the heat dissipation mechanism to operate;

the heat dissipation mechanism adjusts the inclination angle of the heat dissipation plate 24, the stepping motor 17 is electrified to rotate and outputs a certain angular displacement, the stepping motor 17 drives the screw rod 19 to rotate through the coupler 18, the threaded pipe 20 converts the rotation motion of the screw rod 19 into a linear downward motion, the threaded pipe 20 drives the sleeve 22 to descend through the cross rod 23, the sleeve 22 moves on the first slide rod 21, the first slide rod 21 and the sleeve 22 enable the threaded pipe 20 to stably move, the threaded pipe 20 drives the first connecting rod 28 through the second connecting rod 29, the first connecting rod 28 pushes the U-shaped groove slide rail 26 through the pulley 27, the pulley 27 rotates in the U-shaped groove slide rail 26 and presses down the U-shaped groove slide rail 26 during the descending process of the first connecting rod 28, so as to push the heat dissipation plate 24 to downwards rotate, the rotating shaft 25 is stressed together with the heat dissipation plate 24, the heat dissipation plate 24 gradually opens the heat dissipation window 41, thereby increasing the opening amount, thereby promoting ventilation and heat dissipation and reducing the temperature in the switch cabinet body 1;

the raindrop sensor 9 detects whether rainfall exists, when the rainfall exists, the stepping motor 17 rotates reversely to output certain angular displacement, the threaded pipe 20 ascends, and one end of the heat dissipation plate 24, which is positioned on the outer side of the heat dissipation port 5, rotates downwards, so that the heat dissipation window 41 is shielded, and rainwater is prevented from flowing into the switch cabinet body 1;

the first dust screen 7 and the second dust screen 13 filter dust in air introduced into the switch cabinet body 1, so as to protect components in the cabinet body, when the angle of the heat dissipation plate 24 is adjusted, the brush 32 can clean the second dust screen 13, or the cleaning mechanism can be actively controlled by the controller 14 to clean, when the threaded pipe 20 is at the lowest end, the brush 32 is at the highest end, the stepping motor 17 outputs certain angular displacement and drives the screw rod 19 to rotate, so that the threaded pipe 20 moves to the highest end, when the threaded pipe 20 ascends, the second connecting member ascends along with the threaded pipe 20 and drives the pi-shaped connecting rod 35 to move, the pi-shaped connecting rod 35 forms a lever through the pin shaft 37, one end of the pi-shaped connecting rod 35 facing the second connecting rod 29 is a power arm, one end of the pi-shaped connecting rod 35 facing the first connecting rod 28 is a resistance arm, when the second connecting member ascends, the pi-shaped connecting rod 35 is forced to ascend together and moves in the second connecting member, one end of the n-shaped connecting rod 35 connected with the second connecting piece is screwed up, one end of the n-shaped connecting rod 35 connected with the first connecting piece is screwed down, the n-shaped connecting rod 35 drives the first connecting piece to descend, the sliding block 31 descends along with the first connecting piece and drives the brush 32 to descend, the sliding block 31 descends stably on the second sliding rod 30, the brush 32 cleans the second dust screen 13 in the descending process, the length of a power arm of the n-shaped connecting rod 35 is greater than that of a resistance arm of the n-shaped connecting rod, when the threaded pipe 20 rises to the highest position, the brush 32 descends to the lowest position, the dust on the second dust-proof net 13 is discharged from the dust discharge port 40, the controller 14 controls the stepping motor 17 to rotate reversely, so that the threaded pipe 20 descends, the brush 32 rises to clean the second dust-proof net 13 again, and the steps are repeated, the second dust screen 13 can be fully cleaned, so that the switch cabinet body 1 is smoothly ventilated, and the heat dissipation effect is improved.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. An electric power switch cabinet device used on an industrial automatic control system comprises a switch cabinet body (1) and is characterized in that a base (2) is arranged below the switch cabinet body (1), the switch cabinet body (1) is fixed on the base (2), a cabinet door (3) is arranged on the switch cabinet body (1), a handle (4) is arranged on the cabinet door (3), a heat dissipation opening (5) is arranged at the top end of the switch cabinet body (1), a first heat dissipation fan (6) is arranged in the heat dissipation opening (5), a first dust screen (7) is arranged at the upper end of the heat dissipation opening (5), a rain baffle (8) is arranged above the switch cabinet body (1), the rain baffle (8) is fixed on the switch cabinet body (1) through a support, rain drop sensors (9) are arranged on the rain baffle (8), ventilation openings (10) are arranged on the left side and the right side of the lower end of the switch cabinet body (1), and a second heat dissipation fan (11) is arranged, the left side and the right side of the lower end of the switch cabinet body (1) are respectively fixed with a rectangular shell (12) of a coating vent (10), a second dust screen (13), a heat dissipation mechanism and a cleaning mechanism are arranged in the rectangular shell (12), the heat dissipation mechanism is connected with the cleaning mechanism, the cleaning mechanism can clean the second dust screen (13), a controller (14) is arranged in the switch cabinet body (1), the heat dissipation mechanism comprises a protective shell (15) fixed on the rectangular shell (12), a mounting plate (16) is arranged in the protective shell (15), a stepping motor (17) is installed on the mounting plate (16), a rotating end of the stepping motor (17) vertically extends downwards and is provided with a coupler (18), the other end of the coupler (18) is provided with a screw rod (19), the screw rod (19) vertically extends downwards into the rectangular shell (12), a threaded pipe (20) is arranged in the rectangular shell (12), and the threaded pipe (20) and the screw rod (19) are in threaded connection with the rectangular shell A first sliding rod (21) is arranged on the side, the first sliding rod (21) is vertically fixed in a rectangular shell (12), a sleeve (22) is sleeved on the first sliding rod (21), the sleeve (22) can slide on the first sliding rod (21), the sleeve (22) is fixedly connected with a threaded pipe (20) through a cross rod (23), a heat dissipation window (41) is arranged at one end of the rectangular shell (12) far away from a switch cabinet body (1), a plurality of heat dissipation plates (24) are arranged at the position of the heat dissipation window (41), a rotating shaft (25) is fixed at the lower end of each heat dissipation plate (24), two ends of each rotating shaft (25) can be rotatably installed at the position of each heat dissipation window (41), two U-shaped groove sliding rails (26) which are symmetrically distributed are fixed at the lower end of each heat dissipation plate (24), pulleys (27) are installed in the U-shaped groove sliding rails (26), the pulleys (27) are connected through a first connecting rod (28), and a plurality of second connecting rods, the other end of the second connecting rod (29) is fixedly connected with the center of the first connecting rod (28), the cleaning mechanism comprises a second sliding rod (30) fixed in the rectangular shell (12), a sliding block (31) is sleeved on the second sliding rod (30), a brush (32) is fixed at one end, facing the switch cabinet body (1), of the sliding block (31), bristles of the brush (32) are attached to a second dust screen (13), a first clamping piece (33) is fixed at one end, facing the heat dissipation window (41), of the sliding block (31), a second clamping piece (34) is transversely fixed at one end, facing the switch cabinet body (1), of the threaded pipe (20), a pi-shaped connecting rod (35) is movably connected between the second clamping piece (34) and the first clamping piece (33), one end of the pi-shaped connecting rod (35) can move in the second clamping piece (34) and the other end of the second clamping piece (33), two ends of the pi-shaped connecting rod (35) are respectively provided with a limiting ring (36) at the outer sides of the first clamping piece (33) and the second clamping piece (34 One end of the n-shaped connecting rod (35) close to the second clamping piece (34) is connected with a pin shaft (37), and the other end of the pin shaft (37) is fixed in the rectangular shell (12).

2. The power switch cabinet device used on the industrial automatic control system, according to claim 1, characterized in that when the threaded pipe (20) descends to the lowest position, the heat dissipation plate (24) is perpendicular to the switch cabinet body (1), and the heat dissipation window (41) is completely opened.

3. The power switch cabinet device used on the industrial automatic control system is characterized in that a limiting block is fixed at one end of the U-shaped groove sliding rail (26) facing the threaded pipe (20), and the limiting block can clamp the pulley (27) to prevent the pulley (27) from being separated from the U-shaped groove sliding rail (26).

4. The electric power switch cabinet device for industrial automation control system according to claim 3, characterised in that the pi-shaped connecting rod (35) forms a lever by means of a pin (37), the length of the power arm of the pi-shaped connecting rod (35) being greater than the length of its resistance arm.

5. The power switch cabinet device used on the industrial automatic control system is characterized in that the brush (32) can clean the second dust screen (13) once in the process of descending the threaded pipe (20) from the highest position to the lowest position.

6. The power switch cabinet device used on the industrial automatic control system according to claim 1, characterized in that, a plurality of power racks (38) are arranged in the switch cabinet body (1), and a temperature sensor (39) is arranged at the top end of the switch cabinet body (1).

7. The power switch cabinet device used on the industrial automatic control system according to claim 1, wherein the bottom end of the rectangular housing (12) is provided with a dust exhaust port (40), the dust exhaust port (40) is located between the second sliding rod (30) and the second dust screen (13), and dust swept by the second dust screen (13) can fall from the dust exhaust port (40).

8. The power switch cabinet device used on the industrial automatic control system according to claim 6, characterized in that the signal output end of the controller (14) is electrically connected with the signal input ends of the first cooling fan (6), the second cooling fan (11) and the stepping motor (17), and the signal input end of the controller (14) is electrically connected with the signal output ends of the raindrop sensor (9) and the temperature sensor (39).