CN110567096B - Air conditioner filter screen processing system - Google Patents
Air conditioner filter screen processing system Download PDFInfo
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- CN110567096B CN110567096B CN201910873803.0A CN201910873803A CN110567096B CN 110567096 B CN110567096 B CN 110567096B CN 201910873803 A CN201910873803 A CN 201910873803A CN 110567096 B CN110567096 B CN 110567096B
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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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Physics & Mathematics (AREA)
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- Mathematical Physics (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to an air conditioner filter screen processing system, which comprises an air conditioner unit, wherein a filter screen is arranged in the air conditioner unit, a filter screen processing system is arranged in the air conditioner unit, and the filter screen processing system comprises: the pressure difference sensor is used for detecting the pressure difference on two sides of the filter screen; the controller is provided with a first threshold value and a second threshold value, is coupled with the differential pressure sensor, and compares the differential pressure value with the first threshold value and the second threshold value which are set by the controller; when the differential pressure value is larger than a first threshold value and smaller than a second threshold value, the controller outputs a first control signal; when the differential pressure value is larger than a second threshold value, the controller outputs a second control signal; the vibration component is arranged on the filter screen, is coupled with the controller, and is used for receiving the first control signal and responding to the first control signal to vibrate the filter screen; the water spraying assembly is provided with a first water pump, and water is sprayed to the filter screen through the water spraying assembly. By using the air conditioner filter screen processing system, the filter screen in the air conditioner can be automatically cleaned, and the manual strength is reduced.
Description
Technical Field
The invention relates to the technical field of air conditioning units, in particular to an air conditioning filter screen processing system.
Background
In an all-air system, air delivered to each zone (or room) is centrally treated in a machine room. The equipment for treating air is called air treatment unit, or air conditioning unit.
Be provided with the filter screen among the current air conditioning unit, the filter screen is in long-term use, and more dust can be adhered on its surface, and during more dust was adhered, the filter screen blockked up easily, can lead to the resistance that wind passed through from the filter screen to increase again to lead to air conditioning unit's air output greatly reduced, finally lead to the heating effect of air conditioner poor. Therefore, the worker may replace and clean the filter screen at regular intervals, which undoubtedly increases the labor intensity of the worker.
Disclosure of Invention
The invention aims to provide an air conditioner filter screen processing system which has the advantages of realizing the cleaning of a filter screen and further reducing the manual strength.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an air conditioner filter screen processing system, includes air conditioning unit, is provided with the filter screen in the air conditioning unit, be provided with filter screen processing system in the air conditioning unit, filter screen processing system includes: the pressure difference sensor is arranged on two sides of the filter screen and used for detecting the pressure difference on the two sides of the filter screen; the controller is provided with a first threshold value and a second threshold value, is coupled with the differential pressure sensor, and is used for receiving the differential pressure value output by the differential pressure sensor and comparing the differential pressure value with the first threshold value and the second threshold value which are set by the controller; when the differential pressure value is larger than a first threshold value and smaller than a second threshold value, the controller outputs a first control signal; when the differential pressure value is larger than a second threshold value, the controller outputs a second control signal; the vibration assembly comprises a vibration motor, is arranged on the filter screen and coupled with the controller, and is used for receiving a first control signal and responding to the first control signal to vibrate the filter screen; the water spraying assembly is provided with a first water pump, and the first water pump is coupled with the controller and used for receiving a second control signal and responding to the second control signal and spraying water to the filter screen through the water spraying assembly; a collecting tank positioned below the filter screen is arranged in the air conditioning unit, a plugging piece is arranged in the air conditioning unit in a sliding manner, and a driving assembly used for driving the plugging piece to plug an opening of the collecting tank is arranged on the collecting tank; the driving assembly is used for receiving a first control signal or a second control signal, and when the driving assembly receives the first control signal or the second control signal, the driving assembly drives the plugging piece to move away from the opening of the collecting tank; when the driving assembly does not receive the first control signal and the second control signal, the driving plugging piece plugs the opening of the collecting tank.
By implementing the technical scheme, when the differential pressure sensor detects that the differential pressure on the two sides of the filter screen is smaller than the first threshold value, the vibration assembly and the water spraying assembly do not work; when the pressure difference sensor detects that the pressure difference between the two sides of the filter screen is between a first threshold value and a second threshold value, the vibration assembly receives a first control signal, vibrates the filter screen and shakes off dust on the filter screen, meanwhile, the driving assembly receives the first control signal and drives the blocking piece to move away from the opening of the collecting tank, and the shaken off dust falls into the collecting tank; when the vibration assembly and the driving assembly do not receive the first control signal, the vibration assembly does not work, the driving assembly drives the blocking piece to block the opening of the collecting tank, and dust shaken off into the collecting tank is prevented from being blown up by a fan in the air conditioning unit to cause secondary blocking of the filter screen; when the pressure difference sensor detects that the pressure difference between the two sides of the filter screen is larger than a second threshold value, the water spraying assembly receives a second control signal and sprays water to the filter screen, meanwhile, the driving assembly receives the second control signal and drives the plugging piece to move away from the opening of the collecting tank, and sewage on the filter screen slides into the collecting tank; when the water spraying assembly and the driving assembly do not receive the second control signal, the water spraying assembly does not work, the driving assembly drives the plugging piece to plug the opening of the collecting tank, and the sewage in the collecting tank is prevented from sliding out of the collecting tank. The filter screen is graded by detecting the blocking degree of the filter screen to clean dust on the filter screen, so that manual cleaning is not needed, and the manual strength is reduced; on the other hand, the filter screen can be effectively cleaned, and the water spraying treatment is directly adopted when the filter screen is blocked, so that the water resource is saved.
Further, a third threshold value is set in the controller, and when the differential pressure value is greater than the second threshold value and smaller than the third threshold value, the controller outputs a second control signal; when the differential pressure value is greater than a third threshold value, the controller outputs a third control signal; the filter screen processing system further comprises a first alarm module, wherein the first alarm module is coupled with the controller and used for receiving a third control signal and responding to the third control signal to send out a prompt of filter screen blockage.
Implement above-mentioned technical scheme, when the pressure differential value that differential pressure sensor detected is greater than the third threshold value, when first alarm module received the third control signal, send the suggestion that the filter screen blockked up, come the suggestion staff filter screen and can not handle through vibration or water spray, need carry out artifical clearance, just can be with the dust clean up on the filter screen clearance.
Further, the first alarm module comprises an acoustic alarm module and an optical alarm module.
Implement above-mentioned technical scheme, first alarm module reminds staff's filter screen to block up through sound prompt and light suggestion.
Furthermore, the sound alarm module adopts a buzzer.
According to the technical scheme, the buzzer is used for prompting the working personnel through sound alarm.
Further, the light alarm module adopts an LED lamp.
Implement above-mentioned technical scheme, light warning adopts the LED lamp to light and reminds the staff.
Further, the water spraying assembly comprises a water supply tank, and a first water level sensor is arranged on the water supply tank; the first water level sensor is coupled with the controller, a first water level threshold is arranged in the controller, the first water level sensor is used for sending a detected first water level value into the controller, the controller compares the received first water level value with a set first water level threshold, and when the first water level value is smaller than the first water level threshold, the controller outputs a fourth control signal; the filter screen processing system further comprises a second alarm module, wherein the second alarm module is coupled with the controller and used for receiving a fourth control signal and responding to the fourth control signal to send out a prompt of water shortage of the water supply tank.
Implement above-mentioned technical scheme, first level sensor detects the water level in the feed tank, and in sending the first water level value that detects to the controller again, the controller received first water level value to compare with the first water level threshold value of predetermineeing, when first water level value is less than first water level threshold value, control second alarm module and open, send the suggestion that the feed tank lacks water after the second module is opened, thereby remind the staff to lack water and then carry out the replenishment of water in the feed tank.
Further, a sewage tank is communicated with the collecting tank and provided with a water supply tank through a second water delivery pipe, and a second water pump is arranged on the second water delivery pipe and used for delivering water in the sewage tank into the water supply tank; the sewage tank is provided with a second water level sensor, a second water level threshold value is preset in the controller, the second water level sensor is used for sending a detected second water level value to the controller, the controller compares the received second water level value with the set second water level threshold value, and when the second water level value is larger than the second water level threshold value, the controller outputs a fifth control signal; the second water pump is coupled with the controller and used for receiving a fifth control signal output by the controller and pumping water into the water supply tank in response to the fifth control signal.
Implement above-mentioned technical scheme, the water that flows into in the collecting vat deposits, second water level sensor detects the water level in the collecting vat, the second water level value that will detect again sends to the controller, the controller compares received second water level value with predetermined second water level threshold value, when second water level value is greater than second water level threshold value, controller control second water pump, with clean water pumping to the feed tank in the collecting vat, thereby realize the reuse of water, reduce the waste of water resource.
In conclusion, the invention has the following beneficial effects:
firstly, the filter screen is subjected to multi-stage treatment by detecting the blocking degree of the filter screen so as to achieve the purpose of cleaning dust on the filter screen, and on one hand, manual cleaning is not needed, and the manual strength is reduced; on the other hand, the filter screen can be effectively cleaned, and water spraying treatment is directly adopted when the filter screen is not blocked, so that water resources are saved;
the water level in the water supply tank can be detected through the arrangement of the first water level sensor, the detected first water level value is sent to the controller, the controller compares the detected first water level value with the first water level value, the second alarm module is controlled to be started when the first water level value is smaller than a first water level threshold value, and a water shortage prompt of the water supply tank is sent out after the second alarm module is started, so that a worker is reminded of water shortage in the water supply tank and water supplement is carried out;
and thirdly, through the setting of the second water level sensor, the water level in the collecting tank can be detected, the detected second water level value is sent to the controller, the comparison is carried out through the controller, when the second water level value is larger than a second water level threshold value, the controller controls the second water pump, the clean water in the collecting tank is pumped to the water supply tank, the multiple utilization of water is realized, and the waste of water resources is reduced.
Drawings
FIG. 1 is a block diagram of a screen treatment system according to one embodiment of the present invention;
FIG. 2 is a cross-sectional elevation view of an air conditioning assembly in accordance with one embodiment of the present invention;
FIG. 3 is a block diagram of one embodiment of the present invention showing a collection trough and a block piece;
fig. 4 is a schematic structural diagram showing a first water level sensor and a second water level sensor according to an embodiment of the present invention.
Reference numerals: 1. an air conditioning unit; 11. an air inlet; 12. an air outlet; 13. filtering with a screen; 14. a differential pressure sensor; 15. collecting tank; 16. a blocking member; 2. a vibrating assembly; 21. a vibration motor; 3. a water spray assembly; 31. a first water delivery pipe; 311. a first water pump; 312. a spray head; 32. a water supply tank; 321. a first water level sensor; 4. a drive assembly; 41. a displacement motor; 42. a screw rod; 5. a sewage tank; 51. a second water delivery pipe; 511. a second water pump; 52. and a second water level sensor.
Detailed Description
The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an air conditioner filter screen processing system includes an air conditioning unit 1, a filter screen 13 is provided in the air conditioning unit 1, the air conditioning unit 1 is separated into a left part and a right part by the filter screen 13, an air inlet 11 and an air outlet 12 of the air conditioning unit 1 are respectively located on two sides of the filter screen 13, and a side wall in the thickness direction of the filter screen 13 is abutted to an inner side wall of the air conditioning unit 1. Be provided with filter screen processing system in the air conditioning unit 1, filter screen processing system includes pressure differential sensor 14, controller, vibration subassembly 2, water spray subassembly 3, first alarm module and second alarm module:
a differential pressure sensor 14 installed at both sides of the screen 13 for detecting a differential pressure at both sides of the screen 13;
the controller is provided with a first threshold, a second threshold and a third threshold, is coupled to the differential pressure sensor 14, and is used for receiving the differential pressure value output by the differential pressure sensor 14 and comparing the differential pressure value with the first threshold and the second threshold which are set by the controller per se; when the differential pressure value is larger than a first threshold value and smaller than a second threshold value, the controller outputs a first control signal; when the differential pressure value is larger than the second threshold value and smaller than a third threshold value, the controller outputs a second control signal; and outputting a third control signal when the differential pressure value is greater than a third threshold value.
And the vibration assembly 2 is mounted on the filter screen 13 and coupled to the controller, and is configured to receive the first control signal and vibrate the filter screen 13 in response to the first control signal. The vibration component 2 includes a vibration motor 21 and a waterproof cover (not shown in the figure), the vibration motor 21 is disposed on the side of the filter screen 13 close to the air outlet 12, and the waterproof cover is disposed outside the vibration motor 21 and used for preventing water. The vibration motor 21 is coupled to the controller for receiving a first control signal and vibrating the screen 13 in response to the first control signal.
As shown in fig. 2 and 3, the water spraying assembly 3 includes a first water pipe 31 and a water supply tank 32, one end of the first water pipe 31 is located inside the air conditioning unit 1, and the other end of the first water pipe 31 is located outside the air conditioning unit 1 and is communicated with the water supply tank 32. The first water pipe 31 is provided with a first water pump 311 at one end outside the air conditioning unit 1, and the first water pump 311 is coupled to the controller and is configured to receive the second control signal and spray water to the filter screen 13 through the first water pipe 31 in response to the second control signal. One end of the first water pipe 31, which is located in the air conditioning unit 1, is arranged on one side of the filter screen 13, which is close to the air inlet 11, the first water pipe 31 is arranged on a position close to the top of the filter screen 13, and one end of the first water pipe 31, which is close to the top of the filter screen 13, is provided with a plurality of spray heads 312 facing the filter screen 13. By arranging the first water pipe 31 close to the filter screen 13, water can be sprayed to an upper position in the filter screen 13, and a part which is not sprayed by the spray head 312 can flow on the filter screen 13 through water to wash away dust on the filter screen 13.
The water supply tank 32 is provided with a first water level sensor 321 (see fig. 4); the first water level sensor 321 is coupled to the controller, a first water level threshold is preset in the controller, the first water level sensor 321 is configured to send a detected first water level value into the controller, the controller compares the received first water level value with the set first water level threshold, and when the first water level value is smaller than the first water level threshold, the controller outputs a fourth control signal;
and the second alarm module is coupled with the control, arranged on the water supply tank 32 and used for receiving a fourth control signal and responding to the fourth control signal to send out a prompt of water shortage of the water supply tank 32.
And the first alarm module is coupled with the controller, arranged on the side wall of the air conditioning unit 1 opposite to the filter screen 13, and used for receiving a third control signal and responding to the third control signal to send a prompt of blocking the filter screen 13.
The first alarm module and the second alarm module respectively comprise an acoustic alarm module and an optical alarm module, the acoustic alarm module adopts a buzzer to prompt, and the optical alarm module adopts an LED lamp to prompt.
Be provided with the collecting vat 15 that is located filter screen 13 below in air conditioning unit 1, the bottom of filter screen 13 passes through the bolt and installs on the interior diapire of collecting vat 15, and is perpendicular with the interior diapire of collecting vat 15, and filter screen 13 and collecting vat 15 are close to the inside wall butt of air outlet 12. Because the wind direction is from air intake 11 flow direction air outlet 12 department, then the dust blocks up in the one side that filter screen 13 is close to air intake 11, through the setting of filter screen 13 with the lateral wall butt of collecting vat 15, can be so that when vibrating motor 21 vibrates the filter screen, the dust on the filter screen 13 that is close to air intake 11 one side can be as much as possible shake off to the collecting vat 15 in. A plugging piece 16 is arranged in the air conditioning unit 1 in a sliding manner, and a driving assembly 4 for driving the plugging piece 16 to plug an opening of the collecting tank 15 is arranged on the collecting tank 15;
the driving assembly 4 comprises a displacement motor 41 and a screw rod 42, the blocking piece 16 is a horizontally sliding plate, and the filtering net 13 of the blocking piece 16 slides towards one side of the air inlet 11. A sliding groove (not shown in the figure) for the plugging piece 16 to slide is arranged on the opposite inner side wall of the air conditioning unit 1, the screw rod 42 is arranged in one of the two sliding grooves, and one end of the plugging piece 16 positioned in the sliding groove is in threaded connection with the screw rod 42; the displacement motor 41 is coaxial with the lead screw 42, and the controller is coupled in a loop of the displacement motor 41. The displacement motor 41 is used for receiving a first control signal or a second control signal, and when the displacement motor 41 receives the first control signal or the second control signal, the blocking piece 16 is driven to move away from the opening of the collecting tank 15; when the displacement motor 41 does not receive the first control signal and the second control signal, the blocking piece 16 is driven to block the opening of the collecting groove 15.
The collecting tank 15 is communicated with a sewage tank 5 located outside the air conditioning unit 1, the sewage tank 5 is located obliquely below the collecting tank 15, and the bottom wall of the collecting tank 15 is inclined for discharging sewage in the collecting tank 15 into the sewage tank 5. The sewage tank 5 is communicated with a sewage discharge pipe which is arranged on the side wall of the sewage tank 5 and is close to the bottom wall of the sewage tank. The waste water tank 5 is communicated with the water supply tank 32 through a second water delivery pipe 51, and a second water pump 511 for pumping the water in the waste water tank 5 into the water supply tank 32 is provided on the second water delivery pipe 51.
The sewage tank 5 is provided with a second water level sensor 52 (see fig. 4), a second water level threshold is preset in the controller, the second water level sensor 52 is used for sending the detected second water level value to the controller, the controller compares the received second water level value with the set second water level threshold, and when the second water level value is greater than the second water level threshold, the controller outputs a fifth control signal; the second water pump 511 is coupled to the controller, and is configured to receive a fifth control signal output by the controller and pump water into the water supply tank 32 in response to the fifth control signal. The working time of the second water pump 511 is preset in the controller, and when the second water pump 511 works for a certain time, the second water pump 511 stops working, namely, the second water pump 511 does not pump water into the water supply tank 32 any more, so that the second water pump 511 is prevented from pumping the sludge in the sewage tank 5 into the water supply tank 32 as much as possible.
The working principle is as follows: when the differential pressure sensor 14 detects that the differential pressure on the two sides of the filter screen 13 is smaller than a first threshold value, the vibration assembly 2 and the water spraying assembly 3 do not work;
when the differential pressure sensor 14 detects that the differential pressure on the two sides of the filter screen 13 is between the first threshold value and the second threshold value, the vibration motor receives a first control signal, vibrates the filter screen 13, and shakes off dust on the filter screen 13, meanwhile, the displacement motor 41 receives the first control signal, drives the screw rod 42 to rotate, and drives the plugging piece 16 to rotate, but because the two ends of the screw rod 42 are limited in the sliding grooves, the plugging piece 16 is removed from the opening of the collecting groove 15, and the shaken off dust falls into the collecting groove 15;
when the vibration motor 21 and the displacement motor 41 do not receive the first control signal, the vibration motor 21 does not work, the output shaft of the displacement motor 41 rotates reversely, and the screw rod 42 is driven to rotate reversely, so that the blocking piece 16 gradually blocks the opening of the collecting tank 15, and dust shaken off into the collecting tank 15 is prevented from being blown up by a fan in the air conditioning unit 1 to cause the secondary blocking of the filter screen 13;
when the differential pressure sensor 14 detects that the differential pressure at the two sides of the filter screen 13 is greater than the second threshold value, the first water pump 311 receives a second control signal, sprays water to the filter screen 13, pumps the water in the water supply tank 32 into the spray head 312 through the first water pipe 31, sprays the water to the filter screen 13 through the spray head 312, removes dust from the filter screen 13, and meanwhile, the displacement motor 41 receives the second control signal, drives the plugging piece 16 to move away from the opening of the collecting tank 15, and the sewage on the filter screen 13 slides into the collecting tank 15;
when the first water pump 311 and the displacement motor 41 do not receive the second control signal, the first water pump 311 does not work, and the displacement motor 41 drives the blocking piece 16 to block the opening of the collecting tank 15, so that the sewage in the collecting tank 15 is prevented from sliding out of the collecting tank 15.
The filter screen 13 is graded by detecting the blocking degree of the filter screen 13 so as to clean the dust on the filter screen 13, so that manual cleaning is not needed, and the manual strength is reduced; on the other hand, the filter screen 13 can be effectively cleaned, and water spraying treatment is directly adopted when the filter screen 13 is not blocked, so that water resources are saved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides an air conditioner filter screen processing system, includes air conditioning unit (1), is provided with filter screen (13), characterized by in the air conditioning unit (1): be provided with filter screen processing system in air conditioning unit (1), filter screen processing system includes:
a differential pressure sensor (14) installed at both sides of the filter screen (13) for detecting a differential pressure at both sides of the filter screen (13);
the controller is provided with a first threshold value and a second threshold value, is coupled with the differential pressure sensor (14), and is used for receiving the differential pressure value output by the differential pressure sensor (14) and comparing the differential pressure value with the first threshold value and the second threshold value which are set by the controller per se; when the differential pressure value is larger than a first threshold value and smaller than a second threshold value, the controller outputs a first control signal; when the differential pressure value is larger than a second threshold value, the controller outputs a second control signal;
a vibratory assembly (2), the vibratory assembly (2) comprising a vibratory motor (21) mounted on the screen (13) and coupled to a controller for receiving a first control signal and vibrating the screen (13) in response to the first control signal;
the water spraying component (3), a first water pump (311) is arranged on the water spraying component (3), and the first water pump (311) is coupled with the controller and used for receiving a second control signal and responding to the second control signal and spraying water to the filter screen (13) through the water spraying component (3);
a collecting tank (15) positioned below the filter screen (13) is arranged in the air conditioning unit (1), a plugging piece (16) is arranged in the air conditioning unit (1) in a sliding manner, and a driving assembly (4) for driving the plugging piece (16) to plug an opening of the collecting tank (15) is arranged on the collecting tank (15); the driving assembly (4) is used for receiving a first control signal or a second control signal, and when the driving assembly (4) receives the first control signal or the second control signal, the blocking piece (16) is driven to move away from the opening of the collecting tank (15); when the driving assembly (4) does not receive the first control signal and the second control signal, the driving blocking piece (16) blocks the opening of the collecting tank (15);
the collecting tank (15) is communicated with a sewage tank (5), the sewage tank (5) is communicated with a water supply tank (32) through a second water pipe (51), a second water pump (511) is arranged on the second water pipe (51), and the second water pump (511) is used for conveying water in the sewage tank (5) into the water supply tank (32);
the sewage tank (5) is provided with a second water level sensor (52), a second water level threshold value is preset in the controller, the second water level sensor (52) is used for sending a detected second water level value to the controller, the controller compares the received second water level value with the set second water level threshold value, and when the second water level value is larger than the second water level threshold value, the controller outputs a fifth control signal;
the second water pump (511) is coupled with the controller and is used for receiving a fifth control signal output by the controller and pumping water into the water supply tank (32) in response to the fifth control signal.
2. An air conditioner screen treatment system as set forth in claim 1 wherein: a third threshold value is set in the controller, and when the differential pressure value is greater than the second threshold value and less than the third threshold value, the controller outputs a second control signal; when the differential pressure value is greater than a third threshold value, the controller outputs a third control signal; the filter screen processing system further comprises a first alarm module coupled to the controller for receiving a third control signal and for issuing a prompt in response to the third control signal that the filter screen (13) is clogged.
3. An air conditioner screen treatment system as set forth in claim 2 wherein: the first alarm module comprises an acoustic alarm module and an optical alarm module.
4. An air conditioner screen treatment system as set forth in claim 3 wherein: the sound alarm module adopts a buzzer.
5. An air conditioner screen treatment system as set forth in claim 3 wherein: the light alarm module adopts an LED lamp.
6. An air conditioner screen treatment system as set forth in claim 1 wherein: the water spray assembly (3) comprises a water supply tank (32), and a first water level sensor (321) is arranged on the water supply tank (32);
the first water level sensor (321) is coupled with a controller, a first water level threshold is arranged in the controller, the first water level sensor (321) is used for sending a detected first water level value into the controller, the controller compares the received first water level value with a set first water level threshold, and when the first water level value is smaller than the first water level threshold, the controller outputs a fourth control signal;
the filter screen processing system further comprises a second alarm module, wherein the second alarm module is coupled with the controller and used for receiving a fourth control signal and responding to the fourth control signal to send out a prompt that the water supply tank (32) is short of water.
7. An air conditioner screen treatment system as set forth in claim 6 wherein: the working time of the second water pump (511) is preset in the controller.
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| CN201910873803.0A CN110567096B (en) | 2019-09-17 | 2019-09-17 | Air conditioner filter screen processing system |
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| CN201910873803.0A CN110567096B (en) | 2019-09-17 | 2019-09-17 | Air conditioner filter screen processing system |
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| CN112429029B (en) * | 2020-10-23 | 2021-11-30 | 石家庄国祥运输设备有限公司 | Method for online diagnosing filth blockage of air filter of air conditioning system of railway vehicle |
| CN113997749B (en) * | 2021-10-21 | 2023-07-21 | 珠海格力电器股份有限公司 | Cleaning device and cleaning method thereof, air conditioner outdoor unit and air conditioner |
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