CN215232721U

CN215232721U - Airflow rotary separation type dust removal air filtering device for outdoor base station cabinet

Info

Publication number: CN215232721U
Application number: CN202120661654.4U
Authority: CN
Inventors: 刘欣; 陈恬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-21
Anticipated expiration: 2031-03-31

Abstract

The utility model belongs to air dust removal filtration equipment field specifically discloses a simple structure and to the better air current rotation separation formula dust removal air filter who is used for outdoor base station rack of particulate matter filter effect. The air inlet mechanism of the device is provided with the air guide channel which inclines downwards, the lower end of the air guide channel is provided with the shunting air guide part, the channel lower section of the air guide channel is divided into the upper air flow channel section and the lower dust removal channel section by the shunting section, the air guide section and the upper air flow channel section form a lower turning air path in the air inlet mechanism together, the difference of respective inertia of particles and gas molecules can be utilized, the particles and the gas molecules are separated by different turning centrifugal forces in a high-speed motion state, most of the particles enter the lower dust removal channel section and are discharged from the dust removal air outlet of the shell, most of the air flow enters the upper air flow channel section and then flows out of the air outlet of the air inlet mechanism under the flow guiding effect of the air guide section, and therefore the particles in the air are effectively removed.

Description

Airflow rotary separation type dust removal air filtering device for outdoor base station cabinet

Technical Field

The utility model belongs to air dust removal filtration equipment field, concretely relates to rotatory disconnect-type dust removal air filter equipment of air current for outdoor base station rack.

Background

At present, an air dust removal filter system for outdoor communication rack has the air inlet mechanism of tortuous filtration passageway that admits air through the setting, can filter particulate matters such as a large amount of raise dusts and foreign matters such as batting, leaf, prevents to be filled up in the dust collection net short time and blocks up, improves the life of dust collection net. For example: the patent with the publication number of CN211297481U discloses a fresh air system for an outdoor communication cabinet, which comprises a shell with an air inlet and an air outlet, and also comprises an air inlet mechanism, a flow equalizing mechanism, a dust removing and shunting mechanism and an air outlet mechanism which are sequentially arranged in the shell from front to back and are communicated with each other; the air inlet mechanism comprises a front side plate and a rear cover, wherein the front side plate is obliquely arranged on the upper side of the air inlet, the lower end of the front side plate is positioned on the rear side of the air inlet, the rear cover is arranged on the rear side surface of the front side plate, at least two air inlets which are distributed at intervals are arranged on the front side plate, and a cross section is arranged on the rear surface of the front side plate between every two adjacent air inlets

A shaped front wing plate; the front surface of the rear cover is provided with rear wing plates which are in one-to-one correspondence with the air inlets, and the cross sections of the rear wing plates are in the shape of

The two side wings of the rear wing plate respectively extend into the two front wing plates adjacent to the rear wing plate to form a zigzag air inlet filtering channel; the top of the rear cover is provided with air outlets which correspond to the front wing plates one to one and are communicated with the air inlet filtering channel, and the air outlets are communicated with the air inlet end of the flow equalizing mechanism.

Although the zigzag air inlet filtering channel formed by partially nesting the front wing plate and the rear wing plate can filter and remove a large amount of particles such as raised dust, particles, foreign matters and the like in the air by utilizing the flowability difference between the air and pollutants; however, the existing air inlet mechanism has large wind resistance and general filtering effect, and is difficult to clean after being blocked due to a complex structure, and the existing air inlet mechanism needs manpower to be frequently cleaned and replaced on site, so that the workload of daily maintenance is increased, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure and to the better air current rotation separation formula dust removal air filter who is used for outdoor base station rack of particulate matter filter effect.

The utility model provides a technical scheme that its technical problem adopted is: the airflow rotary separation type dust removal air filtering device for the outdoor base station cabinet comprises an air inlet mechanism arranged in a shell, wherein an air inlet of the air inlet mechanism is communicated with an air inlet of the shell; the air inlet mechanism is internally provided with an air guide channel which inclines downwards, the upper end of the air guide channel is correspondingly communicated with the air inlet, the lower end of the air guide channel is provided with a flow dividing air guide component which is in a V shape and comprises a flow dividing section and an air guide section which are connected together, the flow dividing section partially extends into the air guide channel to divide the channel lower section of the air guide channel into an upper air flow channel section and a lower dust removal channel section, the air outlet end of the lower dust removal channel section is correspondingly communicated with the dust removal air outlet of the shell, the air outlet end of the upper air flow channel section corresponds to the air guide surface of the air guide section, and the air guide surface of the air guide section corresponds to the air outlet of the air inlet mechanism.

Further, the air inlet is arranged at the front part of the bottom surface of the shell, the dust removal air outlet is arranged in the middle of the bottom surface of the shell, and the rear side surface of the shell is provided with an air outlet.

Furthermore, a dust removal fan which is arranged between the air outlet end of the lower dust removal channel section and the dust removal air outlet is arranged in the shell.

Furthermore, a dust hood for covering the dust removal air outlet is arranged outside the shell, and a dust removal opening of the dust hood faces the rear side of the shell.

Furthermore, the airflow rotary separation type dust removal air filtering device for the outdoor base station cabinet further comprises a flow equalizing mechanism, a dust removal flow dividing mechanism and an air outlet mechanism which are arranged in the shell; the air inlet mechanism, the flow equalizing mechanism, the dust removal and flow distribution mechanism and the air outlet mechanism are sequentially arranged in the shell from front to back and are sequentially communicated.

The utility model has the advantages that: the air inlet mechanism of the dust removal air filter device is simple in structure and convenient to manufacture; the air guide channel is arranged in the air inlet mechanism and faces downwards in an inclined mode, the lower end of the air guide channel is provided with the shunting air guide part, the lower section of the channel of the air guide channel is divided into the upper air flow channel section and the lower dust removal channel section by the shunting section, the air guide section and the upper air flow channel section form a lower turning air path in the air inlet mechanism together, and therefore the difference of inertia of particles and gas molecules can be utilized, the particles and the gas molecules are separated by different turning centrifugal forces in a high-speed motion state, most of the particles enter the lower dust removal channel section and are discharged from the dust removal air outlet of the shell, most of the air flow enters the upper air flow channel section and then flows out of the air outlet of the air inlet mechanism under the flow guiding effect of the air guide section, and therefore particles such as dust, foreign matters and the like in the air are effectively removed.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic bottom three-dimensional structure of the present invention;

labeled as: the air conditioner comprises a shell 100, an air inlet 101, a dust removal air outlet 102, an air outlet 103, a dust removal fan 110, a dust removal cover 120, a dust removal opening 121, an air inlet mechanism 200, an air inlet 201, an air outlet 202, an air guide channel 210, a flow dividing air guide member 220, a flow dividing section 221, an upper air flow channel section 211, a lower dust removal channel section 212, an air guide section 222, a flow equalizing mechanism 300, a dust removal flow dividing mechanism 400 and an air outlet mechanism 500.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, the airflow rotary separating dust-removing air filtering apparatus for an outdoor base station cabinet includes an air intake mechanism 200 disposed in a casing 100, wherein an air inlet 201 of the air intake mechanism 200 is communicated with an air inlet 101 of the casing 100; an air guide channel 210 which inclines downwards is arranged in the air inlet mechanism 200, the upper end of the air guide channel 210 is correspondingly communicated with the air inlet 201, the lower end of the air guide channel 210 is provided with a flow-dividing air guide member 220, the flow-dividing air guide member 220 is in a v shape and comprises a flow-dividing section 221 and an air guide section 222 which are connected together, the flow-dividing section 221 partially extends into the air guide channel 210 to divide the channel lower section of the air guide channel 210 into an upper air flow channel section 211 and a lower dust removal channel section 212, the air outlet end of the lower dust removal channel section 212 is correspondingly communicated with the dust removal air outlet 102 of the shell 100, the air outlet end of the upper air flow channel section 211 corresponds to the air guide surface of the air guide section 222, and the air guide surface of the air guide section 222 corresponds to the air outlet 202 of the air inlet mechanism 200.

The air outlet direction of the air supplied by the dedusting air filtering device is taken as the rear direction, and taking fig. 1 as an example, the direction from left to right in fig. 1 is the rear direction; correspondingly, the direction opposite to the rear direction is the front direction, the left-hand direction facing the front direction is the left direction, and the right-hand direction is the right direction.

The casing 100 is a protection component of the dust-removing air filtering device, and is mainly used for installation connection with an outdoor base station cabinet, installation arrangement of each air filtering component and protection of the air filtering component; the shell 100 is generally provided with an air inlet 101, a dust removal air outlet 102 and an air outlet 103; in order to facilitate air suction, dust removal and air discharge, as shown in fig. 1 and 2, the air inlet 101 is disposed at the front of the bottom surface of the casing 100, the dust-removing air outlet 102 is disposed at the middle of the bottom surface of the casing 100, and the rear side surface of the casing 100 is provided with an air outlet 103.

In order to facilitate the removal of the particles, as shown in fig. 1, a dust removing fan 110 is disposed in the casing 100 and between the air outlet end of the lower dust removing channel section 212 and the dust removing air outlet 102.

In addition, in order to prevent the exhausted particulate matters from being sucked in from the air inlet 101 again, a dust removing cover 120 covering the dust removing air outlet 102 is arranged outside the housing 100, and the dust removing opening 121 of the dust removing cover 120 faces the rear side of the housing 100.

The air inlet mechanism 200 is mainly used for filtering and removing a large amount of particulate matters such as raised dust, particles, foreign matters and the like in the air; by arranging the air guide channel 210 which is inclined downwards, the inlet air can move downwards in an inclined way under the guiding action of the air guide channel 210; the air guide channel 210 may be formed by arranging an air guide duct in the casing 100, or may be formed by arranging an air guide plate; the split flow air guide 220 is mainly used for separating the lower section of the air guide channel 210 and forming a turning air path, so that the particles and the gas molecules are separated by utilizing different masses and different turning centrifugal forces of the particles and the gas molecules in a high-speed motion state, and the filtering effect is good; the flow-dividing air guide member 220 has a v-shaped structure, and includes a flow-dividing section 221 and an air guide section 222 which are connected together, an included angle between the flow-dividing section 221 and the air guide section 222 faces upward, and an included angle between the flow-dividing section 221 and the air guide section 222 is generally an obtuse angle; the flow dividing section 221 is mainly used for dividing the lower channel section of the air guiding channel 210 into an upper air flow channel section 211 and a lower dust removing channel section 212, and the air guiding section 222 is mainly used for guiding most of air after particulate matters are removed to the air outlet 202. The air intake mechanism 200 mainly comprises an air guide channel 210 and a shunting air guide member 220, and an air filtering channel formed in the air intake mechanism is simple in structure and small in wind resistance.

In the use process of the dust-removing air filter device, the entering air moves downwards in an inclined manner under the guiding action of the air guide channel 210, the particulate matters in the air entering the air guide channel 210 are usually at the lower side due to different masses of the particulate matters and gas molecules, and the centrifugal forces of turning under the high-speed movement state are different due to different inertia of the particulate matters and the gas molecules, so that the particulate matters in the air generally enter the lower dust-removing channel section 212 at the lower section of the air guide channel 210, and are then removed from the dust-removing air outlet 102 of the casing 100, while most of the air from which the particulate matters are removed enters the upper air channel section 211, and flows out from the air outlet 202 of the air inlet mechanism 200 under the guiding action of the air guide section 222 of the flow dividing air guide 220 to enter the next component of the dust-removing air filter device for removing dust.

Specifically, as shown in fig. 1, the airflow rotary separation type dust removal air filtering apparatus for an outdoor base station cabinet further includes a flow equalizing mechanism 300, a dust removal flow dividing mechanism 400, and an air outlet mechanism 500 disposed in the casing 100; the air inlet mechanism 200, the flow equalizing mechanism 300, the dust removal and flow distribution mechanism 400 and the air outlet mechanism 500 are sequentially arranged from front to back in the shell 100 and are sequentially communicated.

The flow equalizing mechanism 300 is mainly used for equalizing the flow of the dust particles with small volume in the air before removing the dust particles with small volume in the air so as to improve the dust removing effect of the dust collecting net; the flow equalizing mechanism 300 generally includes an upper mounting plate and a lower mounting plate respectively connected to the top surface and the bottom surface of the housing 100, and a middle flow equalizing plate disposed between the upper mounting plate and the lower mounting plate, wherein a plurality of flow equalizing holes are uniformly formed on the middle flow equalizing plate.

The dust removal flow distribution mechanism 400 generally comprises a dust collection net arranged right corresponding to the air outlet end of the flow equalization mechanism 300 and a flow distribution plate arranged on the rear side surface of the dust collection net, a flow distribution channel is formed between the flow distribution plate and the inner wall surface of the periphery of the shell, and the air outlet end of the flow distribution channel is communicated with the air inlet end of the air outlet mechanism; and the air outlet end of the air outlet mechanism is communicated with the air outlet 103. The dust collecting net is usually disposed at the rear side of the middle flow equalizing plate. The dust removal shunting mechanism 400 can make the air after uniform flow directly impact on the dust collecting net to effectively collect dust particles in the air; meanwhile, the air after dust removal needs to bypass the flow distribution plate and enters the air outlet mechanism through a flow distribution channel formed between the flow distribution plate and the inner wall surface of the periphery of the shell, so that dust is prevented from being taken away, and the dust removal effect is ensured.

The air outlet mechanism 500 is mainly used for smoothly introducing air meeting the air cleanliness requirement into the cabinet; the air outlet mechanism 500 generally includes an air outlet fan disposed opposite to the dust collecting net and behind the splitter plate, and a filter net disposed between the air outlet fan and the splitter plate, wherein the filter net is disposed at the air inlet end of the air outlet mechanism 500.

Claims

1. The airflow rotary separation type dust removal air filtering device for the outdoor base station cabinet comprises an air inlet mechanism (200) arranged in a shell (100), wherein an air inlet (201) of the air inlet mechanism (200) is communicated with an air inlet (101) of the shell (100); the method is characterized in that: an air guide channel (210) which inclines downwards is arranged in the air inlet mechanism (200), the upper end of the air guide channel (210) is correspondingly communicated with the air inlet (201), the lower end of the air guide channel (210) is provided with a flow-dividing air guide member (220), the flow-dividing air guide member (220) is in a V shape and comprises a flow-dividing section (221) and an air guide section (222) which are connected together, the part of the flow dividing section (221) extends into the air guide channel (210) to divide the channel lower section of the air guide channel (210) into an upper air flow channel section (211) and a lower dust removal channel section (212), the air outlet end of the lower dust removal channel section (212) is correspondingly communicated with the dust removal air outlet (102) of the shell (100), the air outlet end of the upper air flow channel section (211) corresponds to the air guide surface of the air guide section (222), the air guide surface of the air guide section (222) corresponds to the air outlet (202) of the air inlet mechanism (200).

2. The airflow rotary separating dust extraction air filtration apparatus for an outdoor base station cabinet of claim 1, wherein: the dust removal air outlet (102) is arranged in the middle of the bottom surface of the shell (100), and an air outlet (103) is arranged on the rear side surface of the shell (100).

3. The airflow rotary separating dust extraction air filtration apparatus for an outdoor base station cabinet of claim 1, wherein: and a dust removal fan (110) positioned between the air outlet end of the lower dust removal channel section (212) and the dust removal air outlet (102) is arranged in the shell (100).

4. The airflow rotary separating dust extraction air filtration unit for an outdoor base station cabinet of claim 3, wherein: a dust removing cover (120) covering the dust removing air outlet (102) is arranged outside the shell (100), and a dust removing opening (121) of the dust removing cover (120) faces the rear side of the shell (100).

5. The airflow rotary screen dust extraction air filter assembly for an outdoor base station cabinet of any one of claims 1 to 4 wherein: the dust-removing and air-discharging device also comprises a flow equalizing mechanism (300), a dust-removing and flow-dividing mechanism (400) and an air-discharging mechanism (500) which are arranged in the shell (100); the air inlet mechanism (200), the flow equalizing mechanism (300), the dust removal and distribution mechanism (400) and the air outlet mechanism (500) are sequentially arranged in the shell (100) from front to back and are sequentially communicated.