CN220169621U

CN220169621U - Automatic dust accumulation cleaning device for filter screen of fresh air system of communication machine room

Info

Publication number: CN220169621U
Application number: CN202320927430.2U
Authority: CN
Inventors: 高淑凤; 杜魏青
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-12-12
Anticipated expiration: 2033-04-23

Abstract

The utility model provides an automatic dust collection cleaning device for a filter screen of a fresh air system of a communication machine room. The device is through the linkage cooperation of valve unit, dust removal unit and air supply unit, makes dust removal unit scrape the brush dust removal to the filter screen, and air supply unit is reverse bloied, solves the technical problem of fresh air system filter screen laying dust automatically cleaning. The valve is fixedly provided with the valve linkage mechanism, the valve linkage mechanism drives the pushing plate to squeeze the shifter on the fixing frame, so that the fixing frame extrudes towards the filter screen fastening mechanism to clamp the filter screen, when the pressure detection device detects that the air inlet pressure is lower than the set air pressure, the controller drives the dust removal motor to drive the dust removal brush to work, the filter screen is scraped, meanwhile, the axial flow fan blows back, loose dust scraped off is blown out of the room, and the automatic cleaning of accumulated dust of the filter screen of the fresh air system is realized. The device has the advantages of low cost, simple operation and good dust removal effect on the filter screen, and is suitable for being used as an automatic dust collection device for the filter screen of the fresh air system of the communication machine room.

Description

Automatic dust accumulation cleaning device for filter screen of fresh air system of communication machine room

Technical Field

The utility model relates to a fresh air system, in particular to a device for automatically cleaning dust accumulation on a filter screen of the fresh air system of a communication machine room.

Background

The high-reliability machine room equipment operation environment comprising temperature, humidity and cleanliness is the environment guarantee for the normal operation of the communication machine room equipment.

In order to ensure the working environment of the normal operation of the equipment in the communication machine room, a special precise air conditioner for the machine room is needed to be selected, so that the machine room keeps constant temperature, humidity and cleanliness, and the energy consumption of the air conditioner of the machine room is also increased. In order to reduce the energy consumption generated by the cooling air conditioner of the communication machine room, the fresh air system can be utilized to introduce cold air from the outside of the machine room to assist the air conditioner of the machine room to cool the environment of the machine room, thereby reducing the use energy consumption of the air conditioner, reducing the maintenance frequency of the air conditioner, prolonging the service life of the air conditioner and improving the economic benefit. The fresh air in nature can enter the machine room only after being filtered to meet certain purification requirements, otherwise, huge damage can be caused to the machine room.

The existing fresh air system is usually provided with a dust removing filter screen for filtering out dust of outdoor cold air, so that pollution of the dust to the machine room environment and equipment is avoided. If too many impurities exist in the air in the machine room, problems such as electrostatic discharge and the like can be caused, and components and equipment are damaged. Although dust in the outdoor air is filtered out by the dust removing filter screen, the dust removing filter screen is dirty and blocked after long-time use, so that the cooling effect on the machine room environment is affected. At present, when the system prompts dust to be full, the dust removing filter screen of the fresh air system is manually treated, or the filter screen is removed for scrubbing, or the filter screen is replaced, but the manual maintenance or the maintenance is needed, so that the workload of machine room maintenance is increased, and the ventilation and cooling effects of the machine room are easily affected due to untimely replacement of the filter screen.

Disclosure of Invention

The utility model provides an automatic cleaning device for dust accumulation on a filter screen of a fresh air system of a communication machine room, which can automatically clean the dust accumulation on the filter screen of the fresh air system. The device is through the linkage cooperation of valve unit, dust removal unit and air supply unit, makes dust removal unit scrape the brush dust removal to the laying dust of filter screen, and air supply unit is reverse bloied, solves the technical problem of the laying dust self-cleaning of fresh air system filter screen.

The utility model solves the technical problems by adopting the scheme that:

the utility model provides a communication computer lab new trend system filter screen laying dust self-cleaning device, includes, valve unit, dust removal unit, filtration unit and air supply unit, still includes control unit and induction unit.

Wherein the valve unit comprises a valve, a rotating shaft which is used for fixing the valve in the shell and enabling the valve to be opened and closed, a valve linkage mechanism which is arranged on the valve and is connected with the valve, a pushing plate which is fixed at the far valve end of the valve linkage mechanism,

the valve is of a plate structure which is overlapped with each other but not connected with each other, a valve linkage mechanism is welded on the side of the valve close to the fixed frame, the valve linkage mechanism is connected with a valve connecting lug and a pushing plate connecting lug through a pin shaft, and the pushing plate is of a plate structure.

A valve frame is arranged in the air inlet of the shell, holes are formed in the valve frame at intervals for the rotating shafts to pass through, one rotating shaft is slightly longer than the other rotating shafts, and the valve frame is connected with a valve control device.

The dust removing unit comprises a fixing frame, a shifter arranged on one side of the fixing frame close to the valve, and a filter screen fastening device arranged at intervals with the fixing frame, wherein the shifter is mutually perpendicular to the pushing plate.

The fixing frame is of a net frame structure, upright posts are fixed at middle points of two side frames of the fixing frame, and connecting rib plates are arranged between the two upright posts for installation of dust removing brushes and a dust removing motor, and the dust removing brushes are close to the filter screen. And a group of upright posts are respectively arranged on the other two frames of the fixing frame, a rib plate is arranged between the two opposite sides of the fixing frame corresponding to the upright posts to form a shifter, when the valve is opened, the valve drives the valve linkage mechanism and a push plate connected with the valve linkage mechanism to squeeze towards the shifter, and the shifter further squeezes the fixing frame to enable the fixing frame to move towards the filter screen fastening device, so that the filter screen is clamped, and the filter screen does not generate displacement.

The filter screen fastening device is of a screen frame structure with the same size as the fixing frame, and the mesh holes of the filter screen fastening device are dense so as to form an effective support for the filter screen.

The filter screen fastening device is linked with the fixing frame through a sleeve structure provided with a spring, and an elastic accommodating space is formed between the filter screen fastening device and the fixing frame for installation and storage of the filter screen.

The filtering unit comprises a filter screen, and the filter screen is G5 medium-efficiency filter cotton.

The air supply unit consists of an alternating current 220V air inlet and outlet axial flow fan and is fixed on the rear side and the indoor side of the filtering unit through a frame.

The control unit comprises a controller and is used for collecting signals of the induction unit and automatically controlling the valve control device, the dust removal motor or the axial flow fan to work, and the induction unit comprises a pressure detection device, a dust detection device, a humidity monitoring device and an indoor temperature detection device and an outdoor temperature detection device. The controller is connected with the induction unit, the valve control device, the dust removing motor and the axial flow fan through lines respectively, collects induction signals and is connected with the display terminal through data. Wherein, the pressure detection device is arranged between the filter screen fastening device and the axial flow fan.

The valve has the advantages that the valve linkage mechanism is fixed on the valve, and drives the pushing plate to squeeze the shifter on the fixing frame, so that the fixing frame extrudes towards the filter screen fastening device to clamp the filter screen, when the pressure detection device detects that the air inlet pressure is lower than the set air pressure, the controller drives the dust removing motor to drive the dust removing brush to work, the filter screen is scraped, meanwhile, the axial flow fan blows back, loose dust scraped off is blown out of the room, automatic cleaning of dust accumulation of the filter screen of the fresh air system is realized, cleanliness and permeability of the filter screen are effectively guaranteed, and efficient operation of the fresh air system is further guaranteed. The utility model does not need to be overhauled manually or the filter screen is replaced, the filter screen adopts the G5 medium-efficiency filter screen, the cost is low, the operation is simple, the dust accumulation cleaning effect on the filter screen is good, the device structure is simple, the setting of complex equipment is not needed, the construction cost is low, and the device is suitable for being used as a dust accumulation automatic cleaning device for the filter screen of the fresh air system of the communication machine room.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a rear view isometric view of the present utility model;

FIG. 4 is a rear isometric view II (with the axial fan removed) of the present utility model;

FIG. 5 is a rear view of the present utility model (with the axial flow fan removed);

FIG. 6 is a top view of the present utility model (with the axial flow fan removed);

FIG. 7 is a schematic view of the assembly of the valve unit with the fixture;

FIG. 8 is a schematic view of a valve unit structure;

FIG. 9 is a schematic view of a dust removal unit;

FIG. 10 is a top view of the valve unit and the holder;

fig. 11 is a schematic structural view of the filter screen fastening device.

1. The valve comprises a shell, 2 parts of a valve, 21 parts of a rotating shaft, 22 parts of a pushing plate, 23 parts of a valve linkage mechanism, 3 parts of a fixing frame, 31 parts of a shifter, 32 parts of a filter screen fastening device, 321 parts of a sleeve, 5 parts of a pressure detection device and 6 parts of an axial flow fan.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, all the embodiments, implementations and features of the utility model may be combined with each other without contradiction or conflict. In the present utility model, conventional equipment, devices, components, etc., are either commercially available or homemade in accordance with the present disclosure. In the present utility model, some conventional operations and apparatuses, devices, components are omitted or only briefly described in order to highlight the gist of the present utility model.

Referring to fig. 1 to 10, the automatic cleaning device for dust accumulation on a filter screen of a fresh air system of a communication machine room comprises a valve unit, a dust removing unit, a filtering unit, an air supply unit, a control unit and an induction unit.

Referring to fig. 1 or 8 of the specification, in which the valve unit includes a valve 2, a rotation shaft 21 for fixing the valve 2 in a housing 1 to enable the valve 2 to be opened and closed, a valve linkage mechanism 23 installed on the valve 2 to connect the valve 2, a push plate 22 fixed to a distal end of the valve linkage mechanism 23 from the valve 2,

the valve 2 is of a plate structure which is overlapped with each other but not connected with each other, the valve linkage mechanism 23 is welded on the side, close to the fixed frame 3, of the valve 2, the valve linkage mechanism 23 is connected with the valve connecting lug and the pushing plate connecting lug through a pin shaft, the pushing plate 22 is of a plate structure, when air inflow is needed, the valve control device controls the rotating shaft 21 to rotate, the valve 2 is opened, the valve linkage mechanism 23 drives the pushing plate 22 to extrude towards the fixed frame 3, and the fixed frame 3 and the filter screen fastening device 32 are matched to clamp the filter screen 4.

Referring to fig. 8 of the specification, a valve frame is arranged in an air inlet of a shell 1, holes are formed in the valve frame at intervals for a rotating shaft 21 to pass through, one rotating shaft 21 is slightly longer than the other rotating shafts 21 and is connected with a valve control device, and when a valve 2 needs to be opened, a controller controls the valve control device to drive the rotating shaft 21 to rotate so that the valve 2 is opened.

Referring to fig. 9 of the specification, the dust removing unit includes a fixing frame 3, a shifter 31 disposed on the fixing frame 3 and near one side of the valve 2, and a filter screen fastening device 32 spaced from the fixing frame 3, where the shifter 31 is perpendicular to the pushing plate 22.

The fixing frame 3 is of a frame structure, upright posts are fixed at the middle points of two side frames of the fixing frame 3, connecting rib plates are arranged between the two upright posts for installation of a dust removing brush and a dust removing motor, and the dust removing brush is close to a filter screen. Referring to fig. 9 of the specification, a group of upright posts are respectively arranged on the other two frames of the fixing frame 3, a rib plate is arranged between the two opposite sides of the fixing frame and corresponds to the upright posts to form a shifter 31, when the valve 2 is opened, the valve 2 drives the valve linkage mechanism 23 and the pushing plate 22 connected with the valve linkage mechanism 23 to squeeze towards the shifter 31, and the shifter 31 further squeezes the fixing frame 3 to enable the fixing frame 3 to move towards the filter screen fastening device 32, so that the filter screen is clamped, and the filter screen does not displace.

Referring to fig. 9 of the specification, the filter screen fastening device 32 has a frame structure with the same size as the fixing frame 3, and has dense mesh holes so as to form an effective support for the filter screen, and prevent the filter screen from swelling to affect the dust removal effect when brushing or back blowing the filter screen; simultaneously, filter screen fastener 32 and mount 3 press from both sides tightly the filter screen, also can prevent to cause filter screen displacement or deformation because of wind-force effect when the air inlet, and then produce the gap, can not cover the wind gap completely, cause the dust filtration effect to reduce, weaken even inefficacy, further guarantee fresh air system's cleanliness factor.

Referring to fig. 9 or 11 of the specification, the filter screen fastening device 32 is structurally linked with the fixing frame 3 through a sleeve 321 provided with a spring, and an elastic accommodating space is formed between the filter screen fastening device and the sleeve for installing and storing the filter screen. When the valve 2 is opened, the fixing frame 3 extrudes and moves towards the filter screen fastening device 32 to clamp the filter screen, when the valve 2 is closed, the extrusion force disappears, and under the action of the spring, the fixing frame 3 is relatively far away from the filter screen fastening device 32, so that the filter screen is convenient to install.

The filtering unit comprises a filter screen, wherein the filter screen is G5 medium-efficiency filter cotton, and the filtering unit can further comprise a filter screen storage box and a filter screen collecting box. As one embodiment, the filter unit only comprises a filter screen, and as another embodiment, the filter unit comprises a filter screen, a filter screen storage box and a filter screen collection box, wherein the filter screen storage box and the filter screen collection box are arranged on two sides of the shell 1, when the filter screen needs to be replaced, a motor in the filter screen collection box is started to drive the filter screen to move from the filter screen storage box to the filter screen collection box until the clean filter screen covers an air port, and the motor is stopped from moving, so that the filter screen does not need to be manually replaced, and the use efficiency of the filter screen filter is further improved.

Referring to fig. 3 of the specification, the air supply unit is composed of an alternating current 220V air inlet and outlet axial flow fan 6, and is fixed at one side near the indoor side behind the filtering unit through a frame, and a control unit is arranged behind the axial flow fan.

The control unit comprises a controller and is used for collecting signals of the induction unit and automatically controlling the valve control device, the dust removal motor or the axial flow fan 6 to work, and the induction unit comprises a pressure detection device 5, a dust detection device, a humidity monitoring device and an indoor and outdoor temperature detection device. The controller is respectively connected with the induction unit, the valve control device, the dust removal motor and the axial flow fan 6 in a line way, collects induction signals and is connected with the display terminal in a data way. Referring to fig. 4 of the specification, the pressure detecting device 5 is disposed between the filter screen fastening device 32 and the axial flow fan 6, and is configured to detect an air inlet pressure, determine that a dirt state of the filter screen is normal when the air inlet pressure is within a set range, determine that the filter screen is dirty when the air inlet pressure is less than the set range, send a signal to stop the axial flow fan 6, prepare for the inversion of the axial flow fan 6, convert an air inlet mode into an air outlet mode, invert the axial flow fan 6, and simultaneously start a dust removal motor, drive a dust removal brush to scrape the filter screen, loosen dust on the filter screen, blow loose dust outdoors under the reverse blowing of the axial flow fan 6, thereby ensuring that the filter screen is in a clean state.

The dust detection device, the humidity detection device and the outdoor temperature detection device are all arranged on the outer side of the shell 1 and are used for detecting outdoor dust, humidity and temperature conditions, and when the outdoor conditions are detected to be not in accordance with air supply conditions, the controller drives the rotating shaft 21 to rotate through the valve control device so that the valve is in a closed state; the detector of the indoor temperature detection device is arranged in the communication machine room and is used for detecting the temperature condition in the communication machine room, when the temperature rise of the communication machine room is detected, and the outdoor condition accords with the air supply condition, the controller drives the rotating shaft 21 to rotate through the valve control device, and the valve 2 is opened, so that the air supply device supplies air to the communication machine room.

The controller is an automatic control device, can be implemented through purchasing the existing equipment, and the working principle is not taken as the protection key point of the utility model.

The dust removing brush is a conventional plate type brush.

The working process of the utility model comprises the following steps:

the intelligent fresh air controller monitors outdoor air quality through an outdoor dust detection device and detects outdoor humidity through an outdoor humidity detection device. When the outdoor dust concentration and the outdoor humidity are higher than the set values, the alternating current 220V air inlet and outlet axial flow fan is stopped to work, so that damage to a filter screen, the environment in a machine room and the like is avoided.

When the outdoor dust concentration and the air humidity meet the use requirements, the controller detects the outdoor temperature through the outdoor temperature detection device, detects the indoor temperature through the indoor temperature detection device and judges the indoor and outdoor temperature difference. When the indoor and outdoor temperature difference meets the set value, the alternating current 220V air inlet and outlet axial flow fan works in a forward rotation mode, and air is supplied to the indoor, so that the cooling effect is achieved.

When the indoor and outdoor temperature difference meets the set value, the controller opens the valve through the valve control device to keep the indoor and outdoor air channels unobstructed.

When the valve is opened, the valve presses the filter screen fastening device through the filter screen fastening device shifter, so that the filter screen is ensured to be clamped.

The controller ensures that the alternating current 220V air inlet and outlet axial flow fan rotates positively through internal positive and negative rotation control, outdoor cold air is fed into a room after dust is filtered by the filter screen, and the temperature of a machine room is controlled to reach the level required to be controlled.

The controller detects the fresh air pressure through the pressure detection device, and judges the filth blocking condition of the filter screen according to the pressure judgment. When the filth blockage of the filter screen reaches a set state, the dust removal motor is driven to drive the dust removal brush to automatically clean the dust accumulation of the filter screen.

When the filter screen is cleaned, firstly, the controller controls the alternating current 220V air inlet and outlet axial flow fan to stop rotating, so as to prepare for the alternating current 220V air inlet and outlet axial flow fan to reversely rotate, and secondly, the controller ensures the alternating current 220V air inlet and outlet axial flow fan to reversely rotate through internal forward and reverse rotation control, so that air is exhausted to the outdoor, and the filter screen 3 is reversely blown; meanwhile, the controller controls the dust removal motor to work, drives the dust removal brush to rotate, scrapes and brushes the outer side (dust accumulation side) of the filter screen, loosens dust accumulation on the filter screen, and blows the loosened dust accumulation outdoors through the outward exhaust of the axial flow fan, so that the filter screen is ensured to be always in a clean state.

Finally, it should be noted that:

the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Communication computer lab new trend system filter screen laying dust self-cleaning device, characterized by:

comprises a valve unit, a dust removing unit, a filtering unit, an air supply unit, a control unit and an induction unit;

the valve unit comprises a valve (2), a rotating shaft (21) for fixing the valve (2) in the shell (1) and enabling the valve (2) to be opened and closed, a valve linkage mechanism (23) arranged on the valve (2) and connected with the valve (2), and a pushing plate (22) fixed at the far end of the valve (2) of the valve linkage mechanism (23);

the dust removing unit comprises a fixing frame (3), a shifter (31) arranged on the fixing frame (3) and close to one side of the valve (2), and a filter screen fastening device (32) arranged at intervals with the fixing frame (3), wherein the shifter (31) is mutually perpendicular to the pushing plate (22);

the filtering unit comprises a filter screen, wherein the filter screen is G5 medium-efficiency filter cotton;

the air supply unit consists of an alternating current 220V air inlet and outlet axial flow fan (6) and is fixed on the rear side and the indoor side of the filtering unit through a frame;

the control unit is arranged behind the air supply unit and comprises a controller, and is used for collecting signals of the induction unit and automatically controlling the valve control device or the dust removal motor to work; the controller is respectively connected with the induction unit, the valve control device and the dust removal motor in a circuit manner, collects induction signals and is connected with the display terminal in a data manner;

the sensing unit comprises a pressure detection device (5), a dust detection device, a humidity monitoring device and an indoor and outdoor temperature detection device; the pressure detection device (5) is arranged between the filter screen fastening device (32) and the axial flow fan (6).

2. The automatic cleaning device for dust accumulation on a filter screen of a fresh air system of a communication machine room according to claim 1, wherein the device is characterized by:

the valve (2) is of a plate structure which is overlapped with each other but not connected with each other, a valve linkage mechanism (23) is welded on the side, close to the fixed frame (3), of the valve (2), the valve linkage mechanism (23) is connected with a valve connecting lug and a pushing plate connecting lug through a pin shaft, and the pushing plate (22) is of a plate structure;

a valve frame is arranged in an air inlet of the shell (1), holes are formed in the valve frame at intervals for the rotating shafts (21) to pass through, and one rotating shaft (21) is slightly longer than the other rotating shafts (21) and is connected with a valve control device.

3. The automatic cleaning device for dust accumulation on a filter screen of a fresh air system of a communication machine room according to claim 1, wherein the device is characterized by:

the fixing frame (3) is of a frame structure, upright posts are fixed at middle points of two side frames of the fixing frame (3), connecting rib plates are arranged between the two upright posts and used for installing dust removing brushes and a dust removing motor, and the dust removing brushes are close to the filter screen;

a group of upright posts are respectively arranged on the other two frames of the fixed frame (3), a rib plate is arranged between the two opposite edges of the fixed frame and corresponds to the upright posts to form a shifter (31), when the valve (2) is opened, the valve (2) drives the valve linkage mechanism (23) and the pushing plate (22) connected with the valve linkage mechanism (23) to squeeze towards the shifter (31), and the shifter (31) further squeezes the fixed frame (3) to enable the fixed frame (3) to move towards the filter screen fastening device (32), so that the filter screen is clamped;

the filter screen fastening device (32) is of a screen frame structure with the same size as the fixing frame (3);

the filter screen fastening device (32) is in structural linkage with the fixing frame (3) through a sleeve (321) provided with a spring, and an elastic accommodating space is formed between the filter screen fastening device and the sleeve for installation and storage of the filter screen.

4. The automatic cleaning device for dust accumulation on a filter screen of a fresh air system of a communication machine room according to claim 1, wherein the device is characterized by:

the controller is an automatic control device.

5. The automatic cleaning device for dust accumulation on a filter screen of a fresh air system of a communication machine room according to claim 1, wherein the device is characterized by:

the filter unit comprises a filter screen, a filter screen storage box and a filter screen collection box, wherein the filter screen storage box and the filter screen collection box are arranged on two sides of the shell (1), when the filter screen needs to be replaced, a motor in the filter screen collection box is started to drive the filter screen to move from the filter screen storage box to the filter screen collection box until the clean filter screen covers an air port, and the motor is stopped to move without manually replacing the filter screen.