CN111664545A - Control method and system for dust removal device of air conditioner filter screen - Google Patents
Control method and system for dust removal device of air conditioner filter screen Download PDFInfo
- Publication number
- CN111664545A CN111664545A CN202010494827.8A CN202010494827A CN111664545A CN 111664545 A CN111664545 A CN 111664545A CN 202010494827 A CN202010494827 A CN 202010494827A CN 111664545 A CN111664545 A CN 111664545A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- dust
- air conditioner
- pressure sensor
- centrifugal fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a control method and a control system for a dust removal device of a filter screen of an air conditioner, and relates to the technical field of air conditioners. The invention comprises the following steps: step S1: a filter screen is arranged at an air inlet of the centrifugal fan; step S2: a pressure sensor is fixed at the edge of the filter screen; step S3: when the centrifugal fan works, the numerical value acquired by the pressure sensor exceeds a preset threshold value; step S4: the driving motor controls the dust sweeping brush to rotate on the surface of the filter screen; step S5: the dust swept down is sucked into the dust collection box through the dust guide cavity; step S6: until the pressure sensor collects the value and recovers to the normal value. According to the invention, the filter screen is arranged at the air outlet of the centrifuge, and the pressure sensor is used for monitoring the wind resistance on the filter screen to judge the blocking degree of the filter screen, so that the dust sweeping brush is started to sweep the filter screen, the filter screen of the air conditioner is monitored in real time, and the refrigeration efficiency of the air conditioner is improved.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a control method and a control system for a dust removal device of an air conditioner filter screen.
Background
At the present stage, the fresh air conditioner gradually gets into the market, because its inner structure space is little, leads to its inside purification filter screen volume littleer, consequently, the dust holding capacity of purifying the filter screen is very low, is promptly after long-time the use, and the purification filter screen is blockked up by dust, particulate matter easily to increased the windage of purifying the filter screen, reduced the fresh air volume of air conditioner.
For the problem of blockage of a purification filter screen of a fresh air conditioner, a conventional treatment mode is to remind a user in a timing mode so that the user can clean the purification filter screen in time; according to the timing reminding mode, if the user does not use the filter screen for a long time, the dust in the filter screen is not much, and even if the filter screen is not dirty, the user can be reminded of cleaning, so that a false alarm phenomenon occurs; if the quality of outdoor air is poor, the purifying filter screen is seriously blocked in a short time, and the phenomenon of delay report can occur; therefore, the timing reminding manner can not satisfy diversified use requirements.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to provide a control method and a control system of a dust removal device of a filter screen of an air conditioner.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a control method of a dust removal device of an air conditioner filter screen, which comprises the following steps:
step S1: a filter screen is arranged at an air inlet of the centrifugal fan;
step S2: a pressure sensor is fixed at the edge of the filter screen;
step S3: when the centrifugal fan works, the numerical value acquired by the pressure sensor exceeds a preset threshold value;
step S4: the driving motor controls the dust sweeping brush to rotate on the surface of the filter screen;
step S5: the dust swept down is sucked into the dust collection box through the dust guide cavity;
step S6: until the pressure sensor collects the value and recovers to the normal value.
Preferably, in step S2, the pressure sensor at the edge of the filter screen is used to detect the wind resistance of the filter screen when the centrifugal fan is in operation; the filter screen card is connected with the air inlet of the centrifugal fan.
The invention relates to a control system of a dust removal device for a filter screen of an air conditioner, which comprises an air inlet, the filter screen and a driving motor;
the edge of the air inlet is provided with an annular baffle; a plurality of dust suction ports are uniformly formed in the inner peripheral side of the annular baffle; a cross-shaped bracket is fixedly arranged on the upper edge of the annular baffle; the driving motor is fixed in the center of the cross-shaped bracket; a dust sweeping brush is fixed at one end of an output shaft of the driving motor, which penetrates through the cross-shaped bracket;
the filter screen is installed at the air inlet of the centrifugal fan through a bearing.
Preferably, the dust suction port is connected with a dust collection box through a dust guide pipeline; and a suction fan is arranged on the dust guide pipeline.
Preferably, the dust box is detachably coupled to the air-conditioning case.
Preferably, the brush hairs of the dust sweeping brush are contacted with the net surface of the filter screen.
The invention has the following beneficial effects:
(1) according to the invention, the filter screen is arranged at the air inlet of the centrifugal fan, and the wind resistance on the filter screen is detected by using the pressure sensor fixed at the edge of the filter screen, so that the congestion degree of the filter screen is judged, whether the filter screen needs to be cleaned or not is judged, the filter screen of the air conditioner is monitored in real time, and the refrigeration efficiency of the air conditioner is improved;
(2) according to the invention, the filter screen is arranged at the air inlet of the centrifugal fan, the dust sweeping brush driven by the driving motor is arranged on the upper surface of the filter screen, and dust swept by the dust sweeping brush enters the dust collection box from the dust guide pipe under the suction force of the suction fan, so that the cleaning work of the filter screen is completed, the filter screen is prevented from being cleaned periodically by manpower, and the refrigeration efficiency of the air conditioner is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a step diagram of a control method of a dust removing device of an air conditioner filter screen according to the present invention;
fig. 2 is a schematic structural diagram of a dust removing device for a filter screen of an air conditioner according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a method for controlling a dust removing device of a filter screen of an air conditioner, including the following steps:
step S1: a filter screen is arranged at an air inlet of the centrifugal fan;
step S2: a pressure sensor is fixed at the edge of the filter screen;
step S3: when the centrifugal fan works, the numerical value acquired by the pressure sensor exceeds a preset threshold value;
step S4: the driving motor controls the dust sweeping brush to rotate on the surface of the filter screen;
step S5: the dust swept down is sucked into the dust collection box through the dust guide cavity;
step S6: until the pressure sensor collects the value and recovers to the normal value.
In step S2, the pressure sensor at the edge of the filter screen is used to detect the wind resistance of the filter screen when the centrifugal fan is in operation; the filter screen card is connected with the air inlet of the centrifugal fan.
Referring to fig. 2, the present invention is a control system for a dust removing device of a filter screen of an air conditioner, including an air inlet 1, a filter screen 2 and a driving motor 3;
the edge of the air inlet 1 is provided with an annular baffle 101; a plurality of dust suction ports 102 are uniformly formed in the inner peripheral side of the annular baffle 101; the annular baffle plate 101 is provided with a fixed cross-shaped bracket 4 along the upper edge; the driving motor 3 is fixed in the center of the cross-shaped bracket 4; a dust sweeping brush 5 is fixed at one end of an output shaft of the driving motor 3, which penetrates through the cross-shaped bracket 4;
the filter screen 2 is arranged at the air inlet 1 of the centrifugal fan through a bearing.
Wherein, the dust suction port 102 is connected with a dust collection box through a dust guide pipeline; the dust guide pipeline is provided with a suction fan.
Wherein, the dust collecting box is detachably connected to the air-conditioning shell.
Wherein, the brush hair of the dust sweeping brush 5 is contacted with the net surface of the filter net 2.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it is understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing associated hardware, and the corresponding program may be stored in a computer-readable storage medium.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A control method of a dust removal device of an air conditioner filter screen is characterized by comprising the following steps:
step S1: a filter screen is arranged at an air inlet of the centrifugal fan;
step S2: a pressure sensor is fixed at the edge of the filter screen;
step S3: when the centrifugal fan works, the numerical value acquired by the pressure sensor exceeds a preset threshold value;
step S4: the driving motor controls the dust sweeping brush to rotate on the surface of the filter screen;
step S5: the dust swept down is sucked into the dust collection box through the dust guide cavity;
step S6: until the pressure sensor collects the value and recovers to the normal value.
2. The method for controlling the dust removing device of the filter screen of the air conditioner according to claim 1, wherein in the step S2, the pressure sensor at the edge of the filter screen is used for detecting the wind resistance of the filter screen when the centrifugal fan works; the filter screen card is connected with the air inlet of the centrifugal fan.
3. A control system of a dust removal device for a filter screen of an air conditioner comprises an air inlet (1), a filter screen (2) and a driving motor (3); the method is characterized in that:
the edge of the air inlet (1) is provided with an annular baffle (101); a plurality of dust suction ports (102) are uniformly formed in the inner peripheral side of the annular baffle (101); the cross-shaped bracket (4) is fixedly arranged on the upper edge of the annular baffle (101); the driving motor (3) is fixed in the center of the cross-shaped bracket (4); a dust sweeping brush (5) is fixed at one end of an output shaft of the driving motor (3) which penetrates through the cross-shaped bracket (4);
the filter screen (2) is arranged at the air inlet (1) of the centrifugal fan through a bearing.
4. The control system of the dust removing device of the filter screen of the air conditioner as claimed in claim 3, wherein the dust suction port (102) is connected with a dust collecting box through a dust guide pipeline; and a suction fan is arranged on the dust guide pipeline.
5. The control system of claim 4, wherein the dust collecting box is detachably connected to the air conditioner housing.
6. The control system of the dust removing device of the filter screen of the air conditioner as claimed in claim 3, wherein the brush hair of the dust sweeping brush (5) is in contact with the screen surface of the filter screen (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010494827.8A CN111664545A (en) | 2020-06-03 | 2020-06-03 | Control method and system for dust removal device of air conditioner filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010494827.8A CN111664545A (en) | 2020-06-03 | 2020-06-03 | Control method and system for dust removal device of air conditioner filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111664545A true CN111664545A (en) | 2020-09-15 |
Family
ID=72385667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010494827.8A Withdrawn CN111664545A (en) | 2020-06-03 | 2020-06-03 | Control method and system for dust removal device of air conditioner filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664545A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224670A (en) * | 2021-05-17 | 2021-08-06 | 南方电网数字电网研究院有限公司 | Synthesize electric power system electric energy intelligent control equipment |
| CN113606669A (en) * | 2021-07-06 | 2021-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Self-cleaning air conditioner and dust removal control method and device thereof |
-
2020
- 2020-06-03 CN CN202010494827.8A patent/CN111664545A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224670A (en) * | 2021-05-17 | 2021-08-06 | 南方电网数字电网研究院有限公司 | Synthesize electric power system electric energy intelligent control equipment |
| CN113606669A (en) * | 2021-07-06 | 2021-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Self-cleaning air conditioner and dust removal control method and device thereof |
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| PB01 | Publication | ||
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Application publication date: 20200915 |