CN113839326A

CN113839326A - Active cooling and noise reduction mechanism and system of power equipment cabinet

Info

Publication number: CN113839326A
Application number: CN202111115915.3A
Authority: CN
Inventors: 林建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-12-24

Abstract

The invention provides an active cooling and noise reducing mechanism of a power equipment cabinet and a system thereof, which comprises a box body, wherein a shell is fixedly connected above the box body, a ventilation net is arranged in the wall below the box body, a sound insulation plate is also arranged on the inner wall of the box body, the shell is hollow, a driving plate capable of sliding and resetting is arranged in the shell, a plurality of first spray heads are fixedly connected below the driving plate, a plurality of second spray heads corresponding to the first spray heads are also arranged on the shell, the first spray heads are inserted into the second spray heads, air holes are reserved between the first spray heads and the second spray heads, a sealing ring is also arranged on one side edge of each spray head, and the sealing ring moves downwards to block the air holes. Meanwhile, dust accumulated on the electrical elements is removed, so that the dust is prevented from influencing the heat dissipation of the electrical elements.

Description

Active cooling and noise reduction mechanism and system of power equipment cabinet

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to an active cooling and noise reducing mechanism of a power equipment cabinet and a system thereof.

Background

Electric power equipment cabinet generally assigns electric cabinet, the switch board is motor control center's general title, current switch board relates to single structure, generally dispel the heat in to electric cabinet through the fan, the single inefficiency of radiating mode, and the fan entrance generally is equipped with the filter screen and filters the dust, the filter screen blocks up the work efficiency who influences the fan easily, current switch board operation still can send the noise at times and disturb resident's life, consequently, to this current situation, the urgent need provides an active cooling of electric power equipment cabinet and falls mechanism and system of making an uproar, in order to overcome not enough in the current practical application.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the problems that the existing power equipment cabinet can not carry out efficient and diversified heat dissipation, a fan filter screen is easy to block, the working efficiency is influenced, and the noise of a power distribution cabinet can not be reduced.

(II) technical scheme

The invention relates to an active cooling and noise reduction mechanism of a power equipment cabinet and the purpose and the effect of the system thereof, which are achieved by the following specific technical means: the utility model provides a mechanism of making an uproar falls in initiative cooling of power equipment cabinet, the power equipment cabinet comprises a box body, box top rigid coupling has the casing, and be equipped with the ventilation net in the box below wall, the box inner wall still is equipped with the acoustic celotex board, the casing is cavity and is equipped with the drive plate that the slidable resets in it, drive plate below rigid coupling has a plurality of shower nozzles one, the casing still is equipped with a plurality of shower nozzles two corresponding with shower nozzle one, shower nozzle one inserts in the shower nozzle two and leaves the gas pocket between the two, shower nozzle one side still is equipped with the sealing washer, the sealing washer is the shutoff gas pocket of removing downwards, the drive plate below is equipped with magnet, the corresponding position also is equipped with magnet on the casing, the separation of magnet initial state, still be equipped with the fan in the casing, the fan right side is equipped with ventilation pipe and casing rigid coupling, and be equipped with the filter screen on the casing of fan opposite side.

Further, the air cavity I is arranged in the shell, a partition plate is arranged in the air cavity I and is divided into a left cavity and a right cavity, a reset spring used for resetting is arranged on the left side of the partition plate, a one-way valve used for one-way air inlet is arranged on the right side of the air cavity I, the right side of the air cavity I is further connected with the air guide tube through a switch mechanism, the air cavity II is fixedly connected above the filter screen, a plurality of nozzles are arranged on the air cavity II and are aligned to the tangent plane of the filter screen, and the other side of the air guide tube is fixedly connected with the air cavity II.

Further, the switch mechanism comprises a connecting rod, the connecting rod is fixedly connected to the upper portion of the driving plate, a piston which is connected to the upper portion of the connecting rod in a sliding mode is fixedly connected to the upper portion of the first air cavity, an air vent which is communicated with the air guide pipe is arranged in the first air cavity, and the piston blocks communication between the air vent and the air guide pipe when moving downwards.

Furthermore, the filter screen is arranged in a downward inclined mode leftwards, a support is arranged on a shell on the left side of the filter screen, the support is arc-shaped, the support at the joint of the support and the filter screen is also arc-shaped and tangent to the filter screen, filter cloth is arranged in the support, and a bottom plate is further arranged below the support.

Further, the support interference fit detachable joint is on the casing.

Furthermore, a water storage cavity is arranged on the left side of the shell, a plurality of flow guide pipes are arranged in the water storage cavity, a plurality of arc-shaped air guide grooves are formed in the shell, one side of each air guide groove is connected with the filter screen, the other side of each air guide groove is located at the joint of the support and the shell, and the other side of each flow guide pipe is located in the air guide groove at the joint of the shell and the support.

Furthermore, the air guide groove comprises an air inlet and an air outlet, the air inlet is located at the joint of the lower end of the filter screen and the shell, the air outlet is located at the joint of the shell and the support, and the width of the air inlet is larger than that of the air outlet.

The invention also provides an active cooling and noise reducing system of the power equipment cabinet, which comprises any active cooling and noise reducing mechanism of the power equipment cabinet.

Has the advantages that:

1. the invention provides an active cooling and noise reduction mechanism and system of a power equipment cabinet.

2. The invention provides an active cooling and noise reduction mechanism of a power equipment cabinet and a system thereof.

3. The invention provides an active cooling and noise reducing mechanism of an electrical equipment cabinet and a system thereof.

Description of the drawings:

fig. 1 is an overall front sectional view of the present invention.

Fig. 2 is a front cross-sectional view of the housing of the present invention.

Fig. 3 is an enlarged view of the invention at a in fig. 2.

Fig. 4 is a schematic sectional top view of the housing of the present invention.

Fig. 5 is a schematic sectional front view of the stent of the present invention.

Fig. 6 is a schematic view of the structure of the stent of the present invention.

Fig. 7 is an enlarged view of the invention at B in fig. 6.

Fig. 8 is a schematic flow chart of the present invention.

In FIGS. 1-8: 1-box body, 2-ventilation net, 3-shell, 4-drive plate, 5-first nozzle, 6-air hole, 7-sealing ring, 8-second nozzle, 9-magnet, 10-ventilation pipe, 11-first air cavity, 12-one-way valve, 13-clapboard, 14-reset spring, 15-connecting rod, 16-piston, 17-air hole, 18-air duct, 19-blower, 20-second air cavity, 21-nozzle, 22-filter screen, 23-bracket, 24-filter cloth, 25-bottom plate, 26-air guide groove, 261-air inlet, 262-air outlet, 27-water storage cavity, 28-guide pipe and 29-sound insulation 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 a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-8, an active cooling and noise reduction mechanism of an electrical equipment cabinet comprises a box body 1 and is characterized in that: a shell 3 is fixedly connected above the box body 1, a ventilation net 2 is arranged in the wall below the box body 1, the ventilation net 2 is used for ventilating and radiating heat, a sound insulation plate 29 is further arranged on the inner wall of the box body, the sound insulation plate 29 is embedded at each position of the inner wall of the box body 1 and used for shielding noise emitted by facilities in the power distribution cabinet and avoiding adverse effects on the life of residents, the shell 3 is hollow, a driving plate 4 capable of sliding and resetting is arranged in the shell, the driving plate 4 can realize the resetting function through a resetting spring and is connected in the shell 3 in a sliding mode through a telescopic rod, a plurality of first spray heads 5 are fixedly connected below the driving plate 4, a plurality of second spray heads 8 corresponding to the first spray heads 5 are further arranged in the shell 3, the second spray heads 8 are in an inverted circular table type outward-dispersing shape, openings below the first spray heads 5 are in an inward gathering and shrinking shape, the first spray heads 5 are inserted into the second spray heads 8, gaps are reserved between the first spray heads to form air holes 6, and sealing rings 7 are further arranged on the side edges of the first spray heads 5, when the sealing ring 7 moves downwards, the air hole 6 is sealed, so that the second nozzle 8 is sealed, the magnet 9 is arranged below the drive plate 4, the magnet 9 is also arranged at a corresponding position on the shell 3, the magnet 9 is initially in a separated state under the action of a return spring on the drive plate 4, the shell 3 is also internally provided with the fan 19, the right side of the fan 19 is provided with the vent pipe 10 fixedly connected with the shell 3, the wind blown out by the vent pipe 10 is turned to be opposite to the drive plate 4 through the shell 3, the shell 3 at the other side of the fan 19 is provided with the filter screen 22, the filter screen 22 is used for filtering dust, the fan 19 can be controlled by the control chip to divide the power of the fan 19 into two levels, wherein when the fan 19 is blocked, the fan 19 is started to enable the wind to enter the shell 3 through the vent pipe 10 and further blow down to be opposite to the drive plate 4, and further blow out through the first nozzle 5 and the second nozzle 8, so that the wind is diffused under the diffusion effect of the second nozzle 8, and then dispel the heat to the electrical components in the box 1, wind blows off the heat dissipation from ventilation net 2 below box 1, when fan 19 adjusts to high gear, through starting fan 19 with wind through ventilation pipe 10 entering casing 3, and then just blow down to drive plate 4, under the fan 19 wind pressure of high gear, and the attraction effect of two magnet 9 each other, and then drive shower nozzle one 5 downstream, and then drive sealing washer 7 and block up gas pocket 6, and then make shower nozzle two 8 blocked up, wind dispels the heat in the box 1 from shower nozzle one 5 blowout, because the effect of high wind pressure, and then play the radiating effect of high efficiency to the electrical components in the box 1, also clear away the dust that accumulates on the electrical components simultaneously, thereby avoid the dust to pile up and cause the electrical components to generate heat.

2-4, in order to avoid the efficiency of the fan 19 from being reduced due to the dust collected by the filter screen 22, an air chamber 11 is provided in the housing 3, the air chamber 11 may be cylindrical, a partition plate 13 provided in the air chamber 11 is divided into two cavities on the left and right sides, a return spring 14 for returning is provided on the left side of the partition plate 13, a check valve 12 for one-way air intake is provided on the right side of the air chamber 11, wherein the check valve 12 may be a spring-type check valve 12, the right side of the air chamber 11 is further connected and communicated with the air duct 18 through a switch mechanism, an air chamber two 20 is fixedly connected above the filter screen 22, a plurality of nozzles 21 provided on the air chamber two 20 are aligned with the cutting surface of the filter screen 22, the other side of the air duct 18 is fixedly connected and communicated with the air chamber two 20, and the air in the air chamber one 11 is discharged to flow into the air chamber two 20 through the air duct 18, and is sprayed from the nozzle 21 to clean the dust on the filter screen 22, thereby preventing the dust from being accumulated on the filter screen 22.

As shown in fig. 2-4, as a specific structure and an embodiment of the switching mechanism, the switching mechanism includes a connecting rod 15, the connecting rod 15 is fixedly connected above the driving plate 4, the piston 16 slidably connected in the air cavity one 11 is fixedly connected above the connecting rod 15, an air vent 17 communicated with the air duct 18 is arranged in the air cavity one 11, when the piston 16 moves downward, the communication between the air vent 17 and the air duct 18 is blocked, when the fan 19 opens the high gear, the driving plate 4 moves downward to drive the connecting rod 15 to move downward, and further drive the piston 16 to move downward to block the communication between the air vent 17 and the air duct 18, under the action of the wind pressure in the casing 3, the wind enters the air cavity one 11 from the check valve 12, and further drive the partition plate 13 in the air cavity one 11 to move leftward, and further make the air pressure in the air cavity one 11 balance with the high air pressure in the casing 3, when the fan 19 stops the high gear, the drive plate 4 is reset to drive the piston 16 to reset, the partition plate 13 is driven to move rightwards under the action of the reset spring 14, and then air in the air cavity I11 is driven to flow into the air cavity II 20, and then the air is sprayed out from the nozzle 21 to clean the filter screen 22.

As shown in fig. 4, as a further improved structure, in order to avoid that dust does not spread around when the filter screen 22 is cleaned, the filter screen 22 is inclined downward to the left, a bracket 23 is arranged on the housing 3 on the left side of the filter screen 22, the bracket 23 is arc-shaped, the bracket 23 at the connection with the filter screen 22 is also arc-shaped and is tangent to the filter screen 22, a filter cloth 24 is arranged in the bracket 23, a bottom plate 25 is further arranged below the bracket 23, the housing 3, the bracket 23, the filter cloth 24 and the bottom plate 25 form a section similar to a spiral, when wind blows out from the nozzle 21 to clean the filter screen 22, the dust flows to the housing 3 along the wind and further flows to the filter cloth 24 on the bracket 23, the wind blows out through the filter cloth 24, and the dust is accumulated on the filter cloth 24 and the bottom plate 25, so that the dust is prevented from flying and spreading around.

As shown in fig. 4, the bracket 23 is detachably clamped to the housing 3 in an interference fit manner, and the bracket 23 is detachably connected to the housing 3, so that the bracket 23 can be conveniently detached to clean the filter cloth 24 and the bottom plate 25 thereon.

As shown in fig. 4-6, a water storage cavity 27 is disposed on the left side of the casing 3, a plurality of flow guide pipes 28 are disposed in the water storage cavity 27, the bottom of the flow guide pipe 28 is connected to the bottom of the water storage cavity 27, a plurality of arc-shaped air guide grooves 26 are disposed on the casing 3, one side of each air guide groove 26 is connected to the filter screen 22, the other side of each air guide groove 26 is located at the connection position of the support and the casing 3, and the other side of each flow guide pipe 28 is located in the air guide groove 26 at the connection position of the casing 3 and the support, i.e., the air blows out from the nozzle 21 and flows through the filter screen 22, and further enters the air guide grooves 26, under the driving of high wind speed, based on bernoulli effect, the larger the flow velocity of the fluid, the smaller the pressure is, i.e., the water in the water storage cavity 27 is sprayed out through the flow guide pipes 28, so as to wet the dust, and further avoid the flying of the dust.

As shown in fig. 7, the air guiding groove 26 includes an air inlet 261 and an air outlet 262, the air inlet 261 is located at a joint between the lower end of the filter screen 22 and the housing 3, the air outlet 262 is located at a joint between the housing 3 and the bracket 23, the width of the air inlet 261 is greater than that of the air outlet 262, and the flow rate is accelerated at a narrow position based on the wind, so that the water in the water storage cavity 27 is better guided out and sprayed through the flow guiding pipe 28.

The working principle is as follows:

when the power distribution cabinet works, the sound insulation plate 29 arranged on the inner wall of the box body 1 is used for isolating noise generated by electrical components in the power distribution cabinet during working, so that noise generated by the power distribution cabinet is prevented from disturbing residents, when heat dissipation needs to be performed in the power distribution cabinet, the fan 19 is started to be in a low gear through the control chip, and then air blown out from the fan 19 enters the shell 3, at the moment, the air pressure is too low, the drive plate 4 does not move obviously, the magnets 9 are not mutually attracted, the air is sprayed out from the first spray head 5 and the second spray head 8, under the diffusion action of the second spray head 8, the air blows away heat from the electrical components and is blown out from the ventilation net 2, so that the air can dissipate heat more comprehensively in the box body 1, when the temperature in the power distribution cabinet is too high, the fan 19 is started to be in a high gear, and then the drive plate 4 is driven to move downwards under strong enough, the attraction is performed between the magnets 9, and then the sealing ring 7 on the first spray head 5 is driven to block the air hole 6 on the second spray head 8, and then high pressure air is blown out from the first nozzle 5, so as to efficiently dissipate heat of electrical components in the box body 1, and simultaneously, dust accumulated on the electrical components is removed through high pressure air flow, so that the problem that the accumulated dust on the electrical components is easy to heat is avoided, the drive plate 4 moves downwards and simultaneously drives the piston 16 to move downwards through the connecting rod 15 so as to block the communication between the vent hole 17 and the air duct 18, meanwhile, high pressure air in the shell 3 enters the first air cavity 11 through the one-way valve 12, so as to drive the partition plate 13 to move leftwards, when the fan 19 is closed to a high gear, the piston 16 resets, so that the partition plate 13 moves rightwards under the action of the reset spring 14 so as to press air in the first air cavity 11 into the second air cavity 20, and then the filter screen 22 is sprayed out from the nozzle 21 to clean the filter screen 22, so as to avoid the blockage of the filter screen 22 from influencing the operation efficiency of the fan 19, the air blown out from the nozzle 21 carries the dust on the filter screen 22 to enter the air guide groove 26, and then drive honeycomb duct 28 blowout water smoke and dust to combine, wind oozes from filter cloth 24, and the dust is piled up on filter cloth 24 and bottom plate 25 to avoid the dust to fly upward, support 23 sets up to detachable convenient filter cloth 24 and the change of bottom plate 25 and washs.

Claims

1. The utility model provides a mechanism of making an uproar falls in initiative cooling of power equipment cabinet, includes box (1), its characterized in that: the box body (1) is fixedly connected with a shell (3) above, a ventilation net (2) is arranged in the wall below the box body (1), a sound insulation board (29) is further arranged on the inner wall of the box body (1), the shell (3) is hollow, a drive plate (4) capable of resetting in a sliding mode is arranged in the shell (3), a plurality of first spray heads (5) are fixedly connected with the drive plate (4) below the drive plate (4), a plurality of second spray heads (8) corresponding to the first spray heads (5) are further arranged on the shell (3), the first spray heads (5) are inserted into the second spray heads (8) in an inserting mode, air holes (6) are reserved between the first spray heads (5) and the second spray heads (8), a sealing ring (7) is further arranged on the side edge of the first spray heads (5), the sealing ring (7) moves downwards to seal the air holes (6), a magnet (9) is arranged below the drive plate (4), a corresponding position on the shell (3) is also provided with the magnet (9), and the magnet (9) is separated from an initial state, still be equipped with fan (19) in casing (3), fan (19) right side is equipped with ventilation pipe (10) and casing (3) rigid coupling, and is equipped with filter screen (22) on casing (3) of fan (19) opposite side.

2. The active cooling and noise reduction mechanism of the power equipment cabinet according to claim 1, characterized in that: the air-conditioning filter is characterized in that a first air cavity (11) is arranged in the shell (3), a partition plate (13) is arranged in the first air cavity (11) and is divided into a left cavity and a right cavity, a reset spring (14) for resetting is arranged on the left side of the partition plate (13), a one-way valve (12) for one-way air intake is arranged on the right side of the first air cavity (11), the right side of the first air cavity (11) is connected with an air guide pipe (18) through a switching mechanism, a second air cavity (20) is fixedly connected above the filter screen (22), a plurality of nozzles (21) are arranged on the second air cavity (20) and are aligned to the tangent plane of the filter screen (22), and the other side of the air guide pipe (18) is fixedly connected with the second air cavity (20).

3. The active cooling and noise reduction mechanism of the power equipment cabinet according to claim 2, characterized in that: the switch mechanism comprises a connecting rod (15), the connecting rod (15) is fixedly connected to the upper portion of the driving plate (4), a piston (16) which is connected to the inside of a first air cavity (11) in a sliding mode is fixedly connected to the upper portion of the connecting rod (15), an air vent (17) communicated with an air guide pipe (18) is formed in the first air cavity (11), and the piston (16) blocks communication between the air vent (17) and the air guide pipe (18) when moving downwards.

4. The active cooling and noise reduction mechanism of the power equipment cabinet according to claim 1, characterized in that: the filter screen (22) is obliquely arranged leftwards, a support (23) is arranged on a shell (3) on the left side of the filter screen (22), the support (23) is arc-shaped, the support (23) at the joint of the support and the filter screen (22) is also arc-shaped and tangent to the filter screen (22), filter cloth (24) is arranged in the support (23), and a bottom plate (25) is arranged below the support (23).

5. The active cooling and noise reduction mechanism of the power equipment cabinet according to claim 4, characterized in that: the support (23) is detachably clamped on the shell (3) in an interference fit manner.

6. The active cooling and noise reduction mechanism of the power equipment cabinet according to claim 4, characterized in that: the filter screen is characterized in that a water storage cavity (27) is arranged on the left side of the shell (3), a plurality of guide pipes (28) are arranged in the water storage cavity (27), a plurality of arc-shaped air guide grooves (26) are formed in the shell (3), one side of each air guide groove (26) is connected with the filter screen (22), the other side of each air guide groove is located at the joint of the support and the shell (3), and the other side of each guide pipe (28) is located in the air guide groove (26) at the joint of the shell (3) and the support.

7. The active cooling and noise reduction mechanism of the power equipment cabinet according to claim 6, characterized in that: the air guide groove (26) comprises an air inlet (261) and an air outlet (262), the air inlet (261) is located at the joint of the lower end of the filter screen (22) and the shell (3), the air outlet (262) is located at the joint of the shell (3) and the support (23), and the width of the air inlet (261) is larger than that of the air outlet (262).

8. The utility model provides an initiative cooling noise reduction system of power equipment cabinet which characterized in that: an active cooling and noise reduction mechanism comprising the electrical equipment cabinet of any one of claims 1 to 7.