CN109373507B - Automatic cleaning filter screen device of fresh air system and control method thereof - Google Patents
Automatic cleaning filter screen device of fresh air system and control method thereof Download PDFInfo
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- CN109373507B CN109373507B CN201811294769.3A CN201811294769A CN109373507B CN 109373507 B CN109373507 B CN 109373507B CN 201811294769 A CN201811294769 A CN 201811294769A CN 109373507 B CN109373507 B CN 109373507B
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- dust
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- suction nozzle
- filter screen
- dust removal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an automatic cleaning filter screen device of a fresh air system and a control method thereof, the device comprises a body, a dust removal driving module, a suction inlet of the filter screen of the body connecting device, a horizontal guide rail and a dust removal brush are arranged in the suction inlet, a suction nozzle is arranged in the dust removal brush, the dust removal driving module is connected with the body and comprises a control device connected with a first motor and a second motor, and the control device controls the first motor to rotate to enable the dust removal brush to move along the horizontal guide rail and controls the second motor to rotate to enable the suction nozzle to move along the dust removal brush based on a received instruction, the method comprises the following steps: s1, controlling the dust removing brush to reset according to the received instruction; s2, controlling the dust removing brush to complete one reciprocating motion along the horizontal guide rail; s3, controlling the suction nozzle in the dust removing brush to move downwards; and S4, judging whether the suction nozzle moves to a preset position, if not, repeating S2 and S3, if so, repeating the step S2 and controlling the dust removal brush to stop moving. The device is automatic clean to the filter screen like this, and intelligent degree is high, has saved the human operation.
Description
Technical Field
The invention relates to the field of cleaning devices, in particular to an automatic cleaning filter screen device of a fresh air system and a control method thereof.
Background
Air filter screen is in the heating and ventilating engineering and the mechanical equipment of handling air wide application, simultaneously because its working property, dust, mosquito etc. in the easy adsorbed air, the easy jam after long-time operation needs frequent change, and the mode of changing the filter screen at present is with manual change for the owner. Because the position of filter screen is usually within the house furred ceiling, if manual periodic replacement filter screen, loaded down with trivial details and change inconvenient frequent manual change and bring inconvenience for the house owner. If adopt the filter screen that has square metal frame, set up filter screen installation guide rail simultaneously at equipment entrances such as new fan, the filter screen passes through the guide rail to be fixed, and the manual taking out during the change blocks up the filter screen, inserts in the guide rail again after manual washing, perhaps inserts in the guide rail more newly changed the filter screen. The cleaning means in the prior art is to send a person to the site periodically, take out the filter screen, shake the accumulated dust in the filter screen by manual beating, and then install the filter screen back to the cabinet (fresh air device). However, the prior art has the following disadvantages: a specially-assigned person needs to be regularly assigned for maintenance, and the maintenance cost for a machine room with a long distance is high; meanwhile, the cabinet must be opened on site, and the filter screen is taken out for flapping, so that the operation is inconvenient; and, take out the filter screen and pat the in-process that removes dust, the rack does not have the filter screen protection, can inhale a certain amount of dust, causes the reduction of rack life-span, and is especially serious in many grey areas.
Disclosure of Invention
Based on the above problems, the object of the present invention is to solve at least one of the technical drawbacks. The automatic filter screen cleaning device of the fresh air system and the control method thereof can automatically clean dust on the filter screen, so that the service life of the filter screen is prolonged. In order to achieve the purpose, the invention adopts the following technical scheme:
a control method of an automatic cleaning filter screen device of a fresh air system comprises a body and a dust removal driving module connected with the body, wherein the body is provided with a first side for connecting an air pipe and a second side for connecting a filter screen suction inlet of the fresh air device, a horizontal guide rail and a dust removal brush reciprocating along the horizontal guide rail are arranged in the body, a suction nozzle is arranged in the dust removal brush, and brush hair is arranged on one side of the suction nozzle; the dust removal drive module comprises a control device which is respectively electrically connected with a first drive motor and a second drive motor and controls the first drive motor to rotate and drive the dust removal brush to reciprocate along a horizontal guide rail and the second drive motor to rotate and drive the suction nozzle to reciprocate along the dust removal brush based on received instructions, and the method comprises the following steps:
step S1, controlling the dust removing brush to reset according to the received instruction;
step S2, controlling the dust removing brush to complete one reciprocating motion along the horizontal guide rail;
step S3, controlling a suction nozzle in the dust removing brush to move downwards;
step S4, determining whether the suction nozzle moves to a preset position,
if not, the steps S2 and S3 are repeated,
if yes, the step S2 is repeated, and then the dust removing brush is controlled to stop moving. This prevents the lowermost side from leaking cleaning while accomplishing automatic cleaning.
Preferably, the method further comprises: and step S5, controlling the dust removing brush to reset.
Preferably, the dust removing brush reset includes:
controlling the dust removal brush to move to a third position according to the received instruction; and controlling the suction nozzle of the dust removing brush to move to a first position.
Preferably, the step S2 further includes controlling the dust removing brush to move to the fourth position along the horizontal guide rail at the first preset speed and then to return to the third position along the horizontal guide rail at the first preset speed.
Preferably, in this step S3, the second driving motor rotates at the second preset speed for T time so that the distance that the suction nozzle moves downward is less than or equal to the width of the bristles.
Preferably, the control method further comprises a first motor and a second motor, wherein the first motor is used for controlling the dust removal brush to reciprocate along a horizontal guide rail, and the second motor is used for controlling the suction nozzle to move up and down.
The embodiment of the invention provides an automatic cleaning filter screen device of a fresh air system, which comprises a body and a dust removal driving module connected with the body, wherein the body comprises a first side used for being connected with an air pipe and a second side used for being connected with a filter screen suction inlet of the fresh air device; the dust removal drive module comprises a control device and a first drive motor, wherein the control device is electrically connected with the first drive motor and controls the first drive motor to rotate to drive the dust removal brush to reciprocate along the horizontal guide rail based on a received control signal.
Preferably, the automatic cleaning filter screen device further comprises a second driving motor which is electrically connected with the control device and controls the suction nozzle to reciprocate along the dust removing brush based on instructions.
Preferably, this self-cleaning filter screen device's dust removal brush contains, the dust removal brush contains, second driving motor, second drive wheel, second follow driving wheel, second conveyer belt, and second driving motor is connected to the second drive wheel, and the second conveyer belt cup joints respectively in the second drive wheel, and the second follows the driving wheel, and one side of suction nozzle is connected to the second conveyer belt, and the second driving motor makes the suction nozzle downstream based on instruction rotation T time, and the distance that moves downstream is less than or equal to the width of brush hair.
Preferably, the control device controls the second driving motor to rotate at a second preset speed for a time T so that the distance that the suction nozzle moves downwards is less than or equal to the width of the bristles.
Preferably, the automatic cleaning filter screen device further comprises a dust collection assembly and a dust collection pipeline communicated with the dust collection assembly, the suction nozzle is connected with the dust collection pipeline, the dust collection assembly is provided with a dust collection outlet, the dust collected by the suction nozzle is discharged from the dust collection outlet by the dust collection assembly, and the control device controls the second driving motor to rotate to drive the ratio of the downward movement distance of the suction nozzle to the width of the bristles to be 0.3-1.0.
Compared with the scheme in the prior art, the invention has the advantages that:
the embodiment of the invention provides an automatic filter screen cleaning device of a fresh air system and a control method thereof.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a connection between an automatic cleaning filter device and a fresh air device according to an embodiment of the present invention;
fig. 2a and 2b are schematic perspective views illustrating an automatic cleaning device according to an embodiment of the present invention;
FIGS. 3-7 are schematic views illustrating the internal structure of the automatic cleaning filter device according to the embodiment of the present invention;
fig. 8 and 9 are schematic control flow diagrams of an automatic cleaning device according to an embodiment of the invention.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions employed in the examples may be further adjusted as determined by the particular manufacturer, and the conditions not specified are typically those used in routine experimentation.
Referring to fig. 1, which is a schematic structural diagram illustrating a connection between an automatic cleaning filter device and a fresh air device according to the present invention, a first side and a second side of a body 1 of the automatic cleaning filter device 200 are respectively provided with a flange, the first side is provided with a flange for connecting an air pipe (not shown), and the second side is connected to a suction port 102 with a filter 101 of the fresh air device 100 (or the like).
Referring to fig. 2a and 2b, which are schematic perspective views illustrating an automatic cleaning filter device according to an embodiment of the present invention, the automatic cleaning filter device 200 includes a body 1, a first side 1a of the body 1 is provided with a flange for connecting to an air duct, a second side 1b is provided with a flange for connecting to a fresh air device (opposite to the filter), the body 1 includes a dust removing brush 10, the dust removing brush 10 is provided with a cleaning component (brush hair) 10a and a suction nozzle 10b (for absorbing dust), the body 1 is connected to a dust removing driving module 1c, the dust removing driving module drives the dust removing brush 10 to move to clean dust on the filter opposite to the dust removing brush, and the cleaned dust is recovered to the dust removing driving module 1c through a dust collecting pipe 30 (dust collecting hose). Preferably, the removed dust is discharged through the dust suction discharge port 60.
Referring to fig. 3, a schematic structural diagram of an automatic cleaning filter device is shown, in which a horizontal guide rail 20 is disposed at the bottom of a body of the automatic cleaning filter device, a dust removing brush 10 reciprocating along the horizontal guide rail 20 is disposed on the body, and the dust removing brush 10 can move from one side of the body (i.e., the filter screen) to the other side along the horizontal guide rail 20. The dust removing brush 10 is internally provided with a suction nozzle 10b, the bottom of the body is connected with a dust removing driving module which comprises a control device 3, a first driving motor 41 and a second driving motor 42 which are electrically connected with the control device, wherein the control device 3 controls the first driving motor 41 to rotate after receiving a cleaning starting signal, and drives the dust removing brush 10 to reciprocate along the horizontal guide rail 20. After the dust removing brush 10 is reciprocated once, the control device controls the second driving motor 42 to rotate, and drives the dust inlet 11 to move downward by a predetermined distance. In one embodiment, the control device 3 may perform the cleaning operation by rotating the second driving motor 42 and then controlling the first driving motor 41 to rotate after receiving the cleaning start signal.
In the above embodiment, the cleaning device further includes a dust collector 50 and a dust collection pipeline 30 communicated with the dust collector 50, wherein the suction nozzle 11 is connected to the dust collection pipeline 30, the dust collector 50 is provided with a dust collection outlet 60, and dust collected by the dust collector 50 through the suction nozzle 11 is discharged through the dust collection outlet 60.
In an embodiment, the automatic cleaning filter device further includes a dust collection assembly 50 and a dust collection pipe 30 (dust collection hose) communicated with the dust collection assembly 50, wherein the dust collection assembly 50 is located in the dust removal driving module, the suction nozzle 11 (10 b) is connected to the dust collection pipe 30, the dust collection assembly 50 is provided with a dust collection outlet 60, and the dust collection assembly 50 discharges dust sucked by the suction nozzle 11 (10 b) through the dust collection outlet 60.
In one embodiment, the automatic cleaning filter device further includes a dust suction duct receiving groove 31 for receiving the dust suction duct 30, and the dust suction duct receiving groove 31 is disposed between the dust suction assembly 50 and the horizontal guide rail 20.
In one embodiment of the present invention, the width L1 of the brush bristles of the brush 10 is greater than the predetermined distance L2, so that the brush 10 can suck dust at various positions of the filter screen from the nozzle 11 into the internal vacuum cleaner 50.
Referring to fig. 4, a cross-sectional view of an automatic cleaning filter device for automatically cleaning the automatic cleaning filter device is shown, wherein a first limit switch K1, a second limit switch K2, a third limit switch K3 and a fourth limit switch K4 are disposed on the filter for respectively defining a first position, a second position, a third position and a fourth position, and the specific control manner is as follows: after the device receives the cleaning starting signal, the first driving motor 41 is controlled to rotate to drive the dust removing brush 10 to move to a third position limited by a third limit switch K3 along the horizontal guide rail 20, and then the control device controls the second driving motor 42 to rotate to drive the suction nozzle 11 (10 b) to move upwards to the first position to complete initial reset; then, the dust collection assembly 50 is started, the control device controls the first driving motor 41 to rotate, the dust removal brush 10 is driven to move to the fourth position defined by the fourth limit switch K4 along the horizontal guide rail 20, and then the dust removal brush 10 is controlled to move to the third position defined by the third limit switch K3 along the horizontal guide rail 20, and at this time, the cleaning of the width of the bristles (L1) of the automatic cleaning filter screen device in the longitudinal direction is completed. The control device controls the second driving motor 42 to rotate for a time T (a moving distance L2), and drives the suction nozzle 11 (10 b) to move downwards for a preset distance L2, and then the control device controls the first driving motor 41 to rotate to drive the dust removing brush 10 to move horizontally, so that the control device circularly controls the first driving motor 41 and the second driving motor 42 to rotate until the suction nozzle 11 (10 b) moves to a second position limited by the second limit switch K2, and after the control device controls the first driving motor 41 to drive the dust removing brush 10 to reciprocate horizontally for one time, the cleaning of the whole filter screen is completed.
The automatic cleaning filter screen device comprises a first motor 41 and a second motor 42, wherein the first motor 41 controls the dust removal brush 10 to horizontally reciprocate, and the second motor 42 controls the suction nozzle 11 to move up and down, so that the suction nozzle 11 moves up and down after horizontally moving on the filter screen, and dust at each position of the filter screen is absorbed by the suction nozzle 11.
In one embodiment, the automatic filter screen cleaning device includes a first driving motor 41 and a second driving motor 42, the first driving motor 41 is disposed in the dust-removing driving module to control the dust-removing brush 10 to move horizontally (in a first direction) in a reciprocating manner, the second driving motor 42 is disposed in the dust-removing brush to control the suction nozzle 11 to move vertically (in a second direction), so that the suction nozzle 11 (10 b) moves vertically (in the first direction) after moving horizontally (in the first direction) on the filter screen, and then moves vertically (in the second direction) to ensure that the dust at each position of the filter screen is absorbed by the suction nozzle 11.
Referring to fig. 5-7, which are cross-sectional views illustrating a connection between a dust removing driving module 1c and a dust removing brush, the dust removing driving module 1c includes a first driving motor 41, a control device 2, a dust collecting component 50, a first driving belt 3, a driving wheel 3a (first driving wheel) for driving the first driving belt 3, and a driving wheel 3b (first driven wheel), the first driving belt 3 is sleeved on the driving wheel 3a (first driving wheel) and the driven wheel 3b (first driven wheel), the driving wheel 3a is connected to the first driving motor 41, the driven wheel 3b is fixed at an end of the dust collecting component 50, one end of the dust removing brush is connected to the first driving belt 3, an end of the dust collecting component 50 is provided with an interface, the interface is connected to one end of a dust collecting pipeline 30, and the other end of the. Preferably, a second accommodating groove for accommodating the dust collection pipeline is also arranged in the dust collection brush. Preferably, the dust suction duct 30 is partially received in the dust suction duct first receiving groove 31. The cables of the first and second driving motors 41 and 42 are arranged through a preset cable 43 hole (see fig. 7). The first driving belt 3 is connected with one end (such as the bottom) of the dust removing brush, after the first driving motor is started, the dust removing brush 10 is horizontally moved left and right (moved along the horizontal guide rail) through the first driving belt 3, dirt on the filter screen is brushed, and the dirt is sucked by the suction nozzle of the dust removing component in the middle of the brush hair after being separated from the filter screen and is discharged to the outside through the discharge port of the dust removing component. The brush hair is arranged beside the suction nozzle, the width of the brush hair is larger than that of the suction nozzle, and the preset distance is slightly smaller than the width of the brush hair.
Fig. 6 is a cross-sectional view of the dust removing brush, which includes a second driving motor 41, a driving wheel 4a (second driving wheel), and a driven wheel 4b (second driven wheel), wherein the driving wheel 4a is connected to the driving motor 41, a second driving belt 5 is sleeved on the driving wheel 4a and the driven wheel 4b, the second driving belt 5 is connected to one side of a suction nozzle (also called as a dust suction inlet), after the driving is started, the suction nozzle 11 is moved up and down by the second driving belt 5, so as to suck the dirt on the filter screen, and the dirt is discharged to the outside through the discharge port of the dust collecting assembly after being separated from the filter screen.
The (auto-cleaning) control method of the auto-cleaning filter device will be described next with reference to fig. 8 and 9;
referring to fig. 8, after receiving an instruction for starting a cleaning filter, the automatic cleaning filter device controls the dust removing brush to reset according to the received instruction, the first driving motor controls the dust removing brush to complete a reciprocating motion along the horizontal guide rail, the second driving motor controls the suction nozzle in the dust removing brush to move downward, the first driving motor controls the dust removing brush to complete a reciprocating motion along the horizontal guide rail, whether the suction nozzle moves to a preset position is determined, and if the suction nozzle reaches the preset position, the cleaning is finished; if not, repeating the above actions until reaching the preset position and finishing cleaning.
Please refer to fig. 9, which is a schematic control flow chart of a (auto cleaning) control method for an auto cleaning filter device including the above-mentioned apparatus according to the embodiment, the control method includes:
and step S1, controlling the dust removing brush to reset according to the received instruction. Wherein controlling the brush to reset comprises controlling the first motor to rotate according to the received command (v;)1Speed) drives the dust removing brush to move to a third position (a third limit switch), and the resetting of the dust removing brush also comprises controlling a second motor to rotate so that a suction nozzle (v) of the dust removing brush2Speed) to the first position (first limit switch) to effect resetting of the cleaning device.
And step S2, controlling the dust removing brush to complete one reciprocating motion along the horizontal guide rail. The control device controls the dust removing brush (at a first preset speed v)1Speed) to a fourth position (a fourth limit switch) along the horizontal guide rail, and then controlling the dust removing brush (at a first preset speed v)1Speed) along the horizontal rail back to the third position, effecting sweeping of the dusting brush across the width of the transverse L1 (bristle width).
And step S3, controlling the suction nozzle in the dust removing brush to move downwards for a preset distance. The control device controls the second motor to rotate (by v)2Speed rotation) T time such that the suction nozzle of the dust removing brush moves downward by a preset distance L2, (L2)<L1）。
And S4, repeating the steps S2 and S3 until the suction nozzle is judged to move to a second position (a second limit switch) K2, if so, repeating the step S2, and controlling the dust removal brush to stop cleaning to finish cleaning.
The control method further includes step S5: and controlling the dust removal brush to reset. After the cleaning is finished, the first driving motor is driven at a first preset speed (v)1) Drive the dust-removing brush to move to a third limit switch (third position)
Controlling the second drive motor to a second preset speed (v)2) The suction nozzle is driven to move to a first limit switch (a first position), namely the dust removal brush and the suction nozzle are reset.
According to the automatic filter screen cleaning device and method provided by the embodiment of the invention, after the control device receives the instruction and controls the first motor to rotate to drive the dust removing brush to reciprocate along the horizontal guide rail for one or more periods, the control device controls the second motor to rotate to drive the suction nozzle to move up and down, so that the filter screen is cleaned completely automatically, the intelligent degree is high, and the manual operation is saved.
The first drive motor is also referred to as a first motor, and the second drive motor is also referred to as a second motor. The second motor is preferably disposed in the dust removing brush, and the dust removing brush further includes a second driving wheel, a second driven wheel, and a second transmission belt. The dust removal assembly comprises a first driving motor, a first driving wheel, a first driven wheel and a first transmission belt.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. A control method of an automatic cleaning filter screen device of a fresh air system comprises a body and a dust removal driving module connected with the body, wherein the body is provided with a first side for connecting an air pipe and a second side for connecting a filter screen suction inlet of the fresh air device, a horizontal guide rail and a dust removal brush reciprocating along the horizontal guide rail are arranged in the body, a suction nozzle is arranged in the dust removal brush, and brush hair is arranged on one side of the suction nozzle; the dust removal drive module comprises a control device which is respectively electrically connected with a first drive motor and a second drive motor and controls the first drive motor to rotate and drive the dust removal brush to reciprocate along a horizontal guide rail and the second drive motor to rotate and drive the suction nozzle to reciprocate along the dust removal brush based on received instructions, and the method comprises the following steps:
step S1, controlling the dust removing brush to reset according to the received instruction, wherein the dust removing brush resetting comprises the following steps: controlling the dust removal brush to move to a third position according to the received instruction; controlling a suction nozzle of the dust removing brush to move to a first position;
step S2, controlling the dust removing brush to complete one reciprocating motion along the horizontal guide rail, driving the dust removing brush to move through the dust removing driving module so as to remove dust on a filter screen opposite to the dust removing brush, and adsorbing the removed dust through a suction nozzle and discharging the dust through a dust suction outlet so as to complete the cleaning of the brush hair width of the automatic cleaning filter screen device in the longitudinal direction;
step S3, controlling a suction nozzle in the dust removing brush to move downwards for a preset distance L2;
step S4, determining whether the suction nozzle moves to a preset position,
if not, the steps S2 and S3 are repeated,
if yes, the step S2 is repeated, and then the dust removing brush is controlled to stop moving.
2. The control method according to claim 1, characterized in that the method further comprises:
and step S5, controlling the dust removing brush to reset.
3. The control method according to claim 1, wherein the second driving motor is rotated at the second preset speed for a time T such that the suction nozzle moves downward by a distance equal to or less than the width of the bristles at step S3.
4. The control method of claim 1, wherein the step S2 further comprises controlling the dust removing brush to move along the horizontal guide rail to the fourth position at the first preset speed and then to return to the third position along the horizontal guide rail at the first preset speed.
5. An automatic cleaning filter device of a fresh air system using the control method of claim 1,
comprises a body and a dust removal driving module connected with the body, wherein the body comprises a first side for connecting an air pipe and a second side for connecting a filter screen suction inlet of a fresh air device, a horizontal guide rail and a dust removal brush reciprocating along the horizontal guide rail are arranged in the body,
a suction nozzle is arranged in the dust removing brush, and brush hair is arranged on one side of the suction nozzle; the dust removal driving module comprises a control device and a first driving motor, the control device is electrically connected with the first driving motor and controls the first driving motor to rotate to drive the dust removal brush to reciprocate along the horizontal guide rail based on a received control signal,
the second driving motor is electrically connected with the control device and controls the suction nozzle to move back and forth along the dust removing brush based on instructions,
through the dust removal drive module drive dust removal brush removes and then clears away the dust on the filter screen that the dust removal brush is facing to, and the dust of clearing away adsorbs and discharges through the dust absorption discharge port through the suction nozzle.
6. The automatic cleaning filter screen device of claim 5, wherein the dust removing brush comprises a second driving motor, a second driving wheel, a second driven wheel and a second conveyor belt, the second driving wheel is connected with the second driving motor, the second conveyor belt is respectively sleeved on the second driving wheel, the second driven wheel and the second conveyor belt are connected with one side of the suction nozzle, the second driving motor rotates for T time based on an instruction to enable the suction nozzle to move downwards, and the distance of downward movement is smaller than or equal to the width of the bristles.
7. The automatic cleaning filter screen device according to claim 5, further comprising a dust suction assembly and a dust suction pipeline communicated with the dust suction assembly, wherein the suction nozzle is connected with the dust suction pipeline, the dust suction assembly is provided with a dust suction outlet, the dust suction assembly discharges dust sucked by the suction nozzle through the dust suction outlet, and the control device controls the ratio of the distance of the downward movement of the suction nozzle driven by the rotation of the second driving motor to the width of the bristles to be 0.3-1.0.
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| CN201811294769.3A CN109373507B (en) | 2018-11-01 | 2018-11-01 | Automatic cleaning filter screen device of fresh air system and control method thereof |
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| CN101354179A (en) * | 2008-09-10 | 2009-01-28 | 广东格兰仕集团有限公司 | Filter screen automatic sweeping device of air conditioner indoor unit |
| CN201377884Y (en) * | 2009-03-02 | 2010-01-06 | 黄裕昌 | Air-conditioning filter screen dust removing system |
| CN105170569A (en) * | 2015-08-14 | 2015-12-23 | 珠海格力电器股份有限公司 | Automatic cleaning device and air conditioner |
| CN204943842U (en) * | 2015-09-07 | 2016-01-06 | 滕文明 | A kind of heat reclamation type purification fresh air of automatic cleaning free of replacement screen pack |
| CN205227581U (en) * | 2015-12-21 | 2016-05-11 | 珠海格力电器股份有限公司 | Haze machine is removed to new trend |
| CN206875602U (en) * | 2017-05-30 | 2018-01-12 | 北京耀邦环保技术开发有限公司 | A kind of fresh air removes haze machine |
| CN209378620U (en) * | 2018-11-01 | 2019-09-13 | 壹格建筑科技(上海)有限公司 | A kind of automated cleaning filter net device of fresh air system |
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