CN114216179A - Dehumidifier and control method - Google Patents
Dehumidifier and control method Download PDFInfo
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- CN114216179A CN114216179A CN202111466358.XA CN202111466358A CN114216179A CN 114216179 A CN114216179 A CN 114216179A CN 202111466358 A CN202111466358 A CN 202111466358A CN 114216179 A CN114216179 A CN 114216179A
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- filter screen
- water
- dehumidifier
- water storage
- rotating shaft
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 65
- 239000000428 dust Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 207
- 238000003860 storage Methods 0.000 claims description 76
- 239000007788 liquid Substances 0.000 claims description 26
- 238000009423 ventilation Methods 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 10
- 230000003749 cleanliness Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Classifications
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
-
- 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
- F24F2221/225—Cleaning ducts or apparatus using a liquid
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a dehumidifier and a control method, wherein the dehumidifier comprises a shell, a filter screen assembly and a cleaning assembly; the shell is provided with an air inlet; the filter screen assembly comprises a filter screen and a filter screen driving mechanism, wherein the filter screen is arranged at the air inlet and can be controlled to move at the air inlet; the cleaning component comprises a hairbrush which is arranged on the motion path of the filter screen and is in contact with the filter screen; when the filter screen is controlled to do unidirectional circular motion or bidirectional reciprocating motion, the brush can clean dust on the filter screen; the filter screen driving mechanism comprises a first rotating shaft and a second rotating shaft, and the driving motor drives the second rotating shaft to rotate so as to move the filter screen; the structure is simple, the cleaning process is optimized, the cleaning coverage is large, the cleaning is comprehensive, and the cleaning efficiency is improved; the automation degree is high, and the problem that the cleaning process is complicated when the filter screen is manually cleaned is solved; the problem that dust falling off from the filter screen easily enters the dehumidifier when the brush moves is avoided.
Description
Technical Field
The invention relates to the technical field of dehumidification, in particular to a dehumidifier and a control method.
Background
With the development of science and technology and the progress of society, the dehumidifier can be widely applied to a plurality of fields such as production, life and the like because the dehumidifier can reduce the indoor air humidity; in order to enable the dehumidifier to have the function of purifying air, a filter screen is arranged at the air inlet of the dehumidifier; after the filter screen is used for a long time, dust is fully distributed on the filter screen, and if the filter screen is not cleaned in time, the filtering effect and the ventilation quantity of the filter screen are weakened, so that the dehumidifying efficiency of the dehumidifier is influenced; when the filter screen is cleaned manually, firstly the filter screen is disassembled, secondly dust on the filter screen is removed through water or a brush, and finally the filter screen is arranged at an air inlet; however, the cleaning process of the scheme is complicated, the cleaning efficiency is poor, and extra water needs to be wasted; it has been proposed to provide a slidable brush in the dehumidifier, which brushes away dust on the filter screen when the brush is controlled to move up and down; however, the structure of the scheme is complex, and the up-and-down movement of the brush can cause the dust falling off from the filter screen to enter the dehumidifier and further attach to the surface of each part in the dehumidifier, thereby affecting the cleanliness of the dehumidifier.
Disclosure of Invention
The invention provides a dehumidifier and a control method, and aims to solve the problems that a filter screen cleaning device in the prior art is complex in structure, complex in cleaning process, incomplete in cleaning, poor in cleaning efficiency and the like.
The invention provides a dehumidifier, comprising:
a housing formed with an air inlet;
the filter screen assembly comprises a filter screen, the filter screen is arranged at the air inlet and can be controlled to do unidirectional annular motion or bidirectional reciprocating motion at the air inlet;
the cleaning assembly comprises a brush, the brush is arranged on a motion path of the filter screen and can be in contact with the filter screen, and dust on the filter screen can be cleaned by the brush when the filter screen moves.
Further optionally, the brush is formed with a water jet and a cavity communicated with the water jet, so that water is supplied to the brush through the cavity and is sprayed to the filter screen through the water jet when the filter screen moves.
Further optionally, the dehumidifier further comprises an evaporator; the cleaning assembly further comprises a pump and a reservoir;
the water storage tank is used for storing condensed water generated by the evaporator, and the pump is used for supplying the condensed water in the water storage tank to the cavity so that the brush can spray water to the filter screen while sweeping the filter screen.
Further optionally, the dehumidifier comprises a water pan, a support rib is formed on the water pan, and the support rib divides the water pan into a water receiving pool and a reservoir; the water receiving pool and the water storage pool can both collect condensed water generated by the evaporator;
a water outlet is formed at the bottom of the water receiving tank, and a water storage port is formed at the bottom of the water storage tank; the water storage port is provided with the water storage tank, and the water storage tank is communicated with the water storage tank through the water storage port.
Further optionally, the support rib is provided with an overflow port communicating the water receiving tank and the water storage tank; the condensed water in the reservoir can enter the water receiving tank through the overflow port and is discharged out of the dehumidifier through the water outlet.
Further optionally, the filter screen assembly further comprises a filter screen driving mechanism, and the filter screen driving mechanism comprises a first rotating shaft, a second rotating shaft and a driving motor; the first rotating shaft is rotatably arranged at the upper side of the air inlet, and the second rotating shaft is rotatably arranged at the lower side of the air inlet and is in driving connection with the driving motor;
two ends of the filter screen are respectively arranged on the first rotating shaft and the second rotating shaft in a surrounding mode, so that the filter screen can cover the air inlet; when the driving motor drives the second rotating shaft to rotate, the filter screen does unidirectional annular motion or bidirectional reciprocating motion around the first rotating shaft and the second rotating shaft.
Further optionally, the first rotating shaft and the second rotating shaft are both formed with a limiting groove, one end of the filter screen surrounds the limiting groove of the first rotating shaft, and the other end of the filter screen surrounds the limiting groove of the second rotating shaft.
Further optionally, the dehumidifier further comprises a controller, a liquid level sensor and an air speed sensor, wherein the liquid level sensor is used for detecting the liquid level of the water storage tank, and the air speed sensor is used for detecting the ventilation quantity of the filter screen; the controller respectively with level sensor, air velocity transducer, pump and driving motor electricity are connected, the controller is received the data of level sensor and air velocity transducer conveying, and control driving motor operation is with filter screen motion and control the pump operation makes condensate water in the water storage tank is spout and is washd through the water jet the filter screen.
The invention also provides a method for controlling the dehumidifier according to any one of the above, comprising the following steps:
s1, determining the filth blockage degree of the filter screen;
s2, controlling the filter screen to move according to the filth blockage degree of the filter screen, and further cleaning the dust on the filter screen by the brush.
Further optionally, the S1 includes:
s11, respectively acquiring a wind speed V1 at the air inlet side and a wind speed V2 at the air outlet side of the filter screen;
s12, obtaining the ventilation quantity delta V of the filter screen by subtracting V1 from V2, wherein the ventilation quantity delta V is V1-V2;
s13, comparing the ventilation quantity delta V of the filter screen with a preset ventilation quantity V0;
when delta V is more than V0, the filter screen is seriously filthy and blocked;
when the delta V is less than or equal to V0, the filth blockage of the filter screen is not serious.
Further optionally, the S1 further includes:
s14, acquiring the liquid level of the water storage tank;
s15, comparing the liquid level H1 of the water storage tank with a preset liquid level H0;
when H1 is greater than H0, the condensed water in the water storage tank is enough to clean the filter screen;
when H1 is not more than H0, the condensed water in the water storage tank is not enough to clean the filter screen.
Further optionally, the S2 further includes:
s21, when the delta V is larger than V0 and the H1 is larger than H0, controlling a driving motor and a pump to operate, and cleaning dust on the filter screen by the brush and water sprayed by a spray head;
and S22, when the delta V is less than or equal to V0 or H1 is less than or equal to H0, controlling the driving motor and the pump to stop running.
Compared with the prior art, the invention has the following beneficial effects:
(1) by controlling the filter screen to do unidirectional annular motion or bidirectional reciprocating motion at the air inlet, the brush cleans dust on the filter screen, the cleaning process is optimized, the cleaning coverage is large, the cleaning is comprehensive, and the cleaning efficiency is improved; the automation degree is high, and the problem that the cleaning process is complicated when the filter screen is manually cleaned is solved; the dust falling off from the filter screen is prevented from entering the dehumidifier;
(2) the water receiving tray is divided into a water receiving tank and a water storage tank, condensed water in the water storage tank can enter the water storage tank, and the condensed water in the water storage tank can be sprayed to the surface of the filter screen through the spray head and clean the filter screen under the action of the pump; condensed water generated by the evaporator is fully utilized to clean the filter screen, so that the utilization rate of the condensed water is improved, and extra water is prevented from being wasted when the filter screen is manually cleaned;
(3) the cleaning of the brush and the cleaning of the condensed water are combined, so that the cleaning strength and the cleaning effect of the filter screen are improved, the filter screen is cleaned more thoroughly, the cleanliness of the filter screen is ensured, the dehumidification efficiency of the dehumidifier is improved, and the automation degree is high;
(4) when the indoor air humidity is low, the condensed water in the water storage tank can be sprayed to the surface of the filter screen through the spray head under the action of the pump, so that the air entering the dehumidifier is humidified, and the application range of the dehumidifier is expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of an overall structure of an embodiment of a dehumidifier according to the present invention;
FIG. 2 is a schematic diagram of an explosion structure of an embodiment of a dehumidifier provided by the present invention;
3a, 3b and 3c are schematic front view configurations of embodiments of a screen assembly and a cleaning assembly provided by the present invention;
FIG. 3d is an enlarged view at A in FIG. 3 c;
FIG. 4 is a schematic structural view of a water pan according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart of a method for controlling a dehumidifier according to the present invention;
in the figure:
1-a shell; 11-an air inlet; 12-an air outlet; 13-an evaporator; 14-a condenser;
2-a screen assembly; 21-a filter screen; 221-a first rotating shaft; 222-a second shaft; 223-a limit groove; 224-a drive motor;
3-a cleaning component; 31-a brush; 32-a pump; 33-a water inlet pipe; 34-a water storage tank;
4-a water pan; 41-support ribs; 411-an overflow port; 421-a water receiving tank; 422-a water reservoir;
51-a support frame; 52-support frame.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
In the existing dehumidifier, when the filter screen is manually cleaned, the cleaning process is complicated, the cleaning efficiency is poor, and extra water needs to be wasted; when the filter screen is cleaned in the hairbrush mode arranged in the dehumidifier, the hairbrush needs to move up and down, the structure of the driving device is complex, and dust falling off from the filter screen easily enters the dehumidifier along with air and then adheres to the surfaces of all parts in the dehumidifier to influence the cleanliness of the dehumidifier. The invention creatively provides a dehumidifier, which comprises a shell, a filter screen component and a cleaning component; the shell is provided with an air inlet; the filter screen component comprises a filter screen, and the filter screen is arranged at the air inlet; the cleaning component comprises a hairbrush, and the hairbrush is in contact with the filter screen; when the filter screen is controlled to do unidirectional circular motion or bidirectional reciprocating motion, the brush can clean dust on the filter screen; the structure is simple, the cleaning process is optimized, the cleaning coverage is large, the cleaning is comprehensive, and the cleaning efficiency is improved; the automation degree is high, and the problem that the cleaning process is complicated when the filter screen is manually cleaned is solved; the problem that dust falling off from the filter screen easily enters the dehumidifier when the brush moves is avoided.
Example 1
< dehumidifier >
As shown in fig. 1 and 2, the present embodiment provides a dehumidifier, which includes a housing 1, a filter screen assembly 2, and a cleaning assembly 3: the shell 1 is provided with an air inlet 11 and an air outlet 12; specifically, an air duct is formed between the air inlet 11 and the air outlet 12, and an evaporator 13, a condenser 14 and a fan are sequentially arranged in the air duct; under the action of a fan, indoor air enters the dehumidifier through the air inlet 11, when the air flows through the evaporator 13, water vapor in the air is condensed into water drops, the water drops settle downwards under the action of gravity and are separated from the air, then the dried air is heated through heat exchange with the condenser 14 when flowing through the condenser 14, and finally the heated air is discharged into the room through the air outlet 12, so that the humidity of the indoor air is reduced in a circulating manner;
the filter screen assembly 2 comprises a filter screen 21, the filter screen 21 is arranged at the air inlet 11 and covers the air inlet 11, and the filtering effect is ensured; the filter screen 21 can be controlled to do unidirectional circular motion or bidirectional reciprocating motion at the air inlet 11; the cleaning assembly 3 includes a brush 31, the brush 31 is disposed on a moving path of the filter screen 21 and contacts the filter screen 21; when the filter screen 21 makes a unidirectional circular motion or a bidirectional reciprocating motion at the air inlet 11, the brush 31 is always in contact with the filter screen 21 and cleans dust on the filter screen 21; the cleaning process is optimized, the cleaning coverage is large, the cleaning is comprehensive, and the cleaning efficiency is improved; the automation degree is high, and the problem that the cleaning process is complicated when the filter screen 21 is manually cleaned is solved;
preferably, the filter screen 21 is of a double-layer structure, one end of the filter screen 21 is arranged at the upper side of the air inlet 11, the other end of the filter screen 21 is arranged at the lower side of the air inlet 11, the brush 31 is arranged below the air inlet 11, and the dust collection box is arranged below the brush 31; the length direction of the brush 31 is consistent with the width direction of the filter screen 21, and the length value of the brush 31 is equal to the width value of the filter screen 21, so that the brush 31 can completely clean dust on the filter screen 21 when the filter screen 21 moves;
when the filter screen 21 moves, the brush 31 cleans the dust on the filter screen 21, and then the dust falling off from the filter screen 21 is settled downwards and collected in the dust collection chamber; the dust falling off from the filter screen 21 is prevented from entering the dehumidifier, so that the cleanliness of the dehumidifier is further influenced; in addition, the brush 31 is located below the air inlet 11, so that the air filtration of the filter screen 21 is not affected when the dehumidifier operates normally.
As shown in fig. 3a, 3b, 3c and 3d, the filter screen assembly 2 further includes a filter screen driving mechanism, the filter screen driving mechanism includes a first rotating shaft 221 and a second rotating shaft 222, the first rotating shaft 221 is rotatably disposed at an upper side of the air inlet 11, and the second rotating shaft 222 is rotatably disposed at a lower side of the air inlet 11;
two ends of the filter screen 21 are respectively arranged on the first rotating shaft 221 and the second rotating shaft 222 in a surrounding manner, so that the filter screen 21 can cover the air inlet 11; when the first rotating shaft 221 or the second rotating shaft 222 rotates, the filter screen 21 can do unidirectional circular motion or bidirectional reciprocating motion around the first rotating shaft 221 and the second rotating shaft 222; when the filter screen 21 makes unidirectional annular movement, the brush 31 can clean dust on the whole filter screen 21 each time, the cleaning coverage is large, and the cleaning is thorough; when the filter screen 21 performs bidirectional reciprocating motion, a certain area of the filter screen 21 can be cleaned for multiple times, so that the cleaning effect is improved, the cleaning time is shortened, and the cleaning efficiency is ensured.
Further, the first rotating shaft 221 and the second rotating shaft 222 are both formed with a limiting groove 223, one end of the filter screen 21 surrounds the limiting groove 223 of the first rotating shaft 221, and the other end of the filter screen 21 surrounds the limiting groove 223 of the second rotating shaft 222; preferably, the first rotating shaft 221 and the second rotating shaft 222 are both stepped shafts, a limiting groove 223 is formed on the stepped shafts, and the limiting groove 223 plays a role in limiting the filter screen 21 along the axial direction of the first rotating shaft 221, so that the filter screen 21 is prevented from being dislocated with the air inlet 11 and the brush 31, and the filtering effect and the cleaning effect are prevented from being weakened.
Preferably, the filter screen driving mechanism further comprises a driving motor 224, and the driving motor 224 is in driving connection with the second rotating shaft 222; the driving motor 224 drives the second rotating shaft 222 to rotate, the second rotating shaft 222 drives the filter screen 21 to move through friction force, the filter screen 21 drives to move through friction force, and the brush 31 is in contact with the filter screen 21 and cleans dust on the filter screen 21; the rotating speed of the driving motor 224 can be controlled according to actual requirements, and the cleaning efficiency of the brush 31 and the cleanliness of the filter screen 21 are ensured.
It should be noted that, the components and structure of the filter screen driving mechanism are not limited, and as long as the filter screen 21 can realize unidirectional circular motion or bidirectional reciprocating motion at the air inlet 11, the invention falls into the protection scope; the filter screen driving mechanism can be a gear-rack mechanism or a belt pulley mechanism or a chain wheel mechanism.
As shown in fig. 4, in order to further improve the cleaning efficiency of the filter screen 21, the dehumidifier further includes a water pan 4, a support rib 41 is formed on the water pan 4, and the evaporator 13 and the condenser 14 are arranged on the support rib 41; the water receiving tray 4 is divided into a water receiving tank 421 and a reservoir 422 by the support ribs 41, and the water receiving tank 421 and the reservoir 422 are arranged along the air inlet direction of the air duct; both the water receiving tank 421 and the water storage tank 422 can collect condensed water generated by the evaporator 13;
a water outlet is formed at the bottom of the water receiving tank 421, and condensed water in the water receiving tank 421 is discharged out of the dehumidifier through the water outlet; a water storage port is formed at the bottom of the water storage tank 422; the water storage tank 34 is arranged at the water storage port, and the water storage tank 422 is connected with the water storage tank 34 through the water storage port; specifically, the water storage tank 34 may be connected to the water storage port through a screw thread, or the water storage tank 34 may be connected to the water storage port through a water pipe, so that the condensed water in the water storage tank 422 enters the water storage tank 34 through the water storage port, and the condensed water in the water storage tank 34 may be used to clean the filter screen 21 or humidify the air.
Further, the brush 31 is formed with a water jet and a cavity communicated with the water jet, so that water is supplied to the brush 31 through the cavity and is sprayed to the filter screen 21 through the water jet when the filter screen 21 moves;
the cleaning assembly 3 further comprises a pump 32; the water storage tank 34, the pump 32 and the cavity are communicated in sequence; when the pump 32 is operated, the condensed water in the water storage tank 34 is sprayed to the filter screen 21 through the pump 32, the cavity and the water spraying opening, and the filter screen 21 is cleaned; specifically, a water outlet of the water storage tank 34 is provided with a one-way valve, the one-way valve is connected with a water inlet of the pump 32 through a water pipe, and a water outlet of the pump 32 is connected with the cavity through a water inlet pipe 33; a plurality of water spray nozzles are arranged along the length of the filter screen 21 according to actual needs;
preferably, when the brush 31 cleans the filter screen 21, the water sprayed from the water spray opening can clean the filter screen 21; the filter screen 21 is cleaned by fully utilizing the condensed water generated by the evaporator 13, the utilization rate of the condensed water is improved, and extra water is prevented from being wasted when the filter screen 21 is cleaned manually.
Specifically, a water supply path of condensed water required for cleaning the filter screen: evaporator → water storage tank → pump → water inlet pipe → cavity → water spray → filter screen.
The supporting rib 41 is provided with an overflow port 411 which is communicated with the water receiving tank 421 and the water storage tank 422; the condensed water in the reservoir 422 can enter the water receiving tank 421 through the overflow port 411 and is discharged out of the dehumidifier through the water discharge port, so that the potential safety hazard caused by the overflow of the reservoir 422 when the condensed water in the reservoir 422 is excessive is avoided.
The dehumidifier also comprises a support frame 51 arranged around the outer side of the water pan 4 and a support frame 52 arranged at the bottom of the water pan 4, and the water pan 4 is connected with the support frame 52 through the support frame 51; the first rotating shaft 221 is rotatably disposed on the housing 1 at the upper side of the air inlet 11, and the second rotating shaft 222 is rotatably disposed on the supporting frame 51; the driving motor 224 is disposed on the supporting bracket 51 by screws.
The dehumidifier also comprises a controller, a liquid level sensor and an air speed sensor, wherein the liquid level sensor is used for detecting the liquid level of the water storage tank 34 and is specifically arranged at the quarter volume of the water storage tank 34; the wind speed sensor is used for detecting the ventilation quantity of the filter screen 21; the controller is respectively electrically connected with the liquid level sensor, the wind speed sensor, the pump 32 and the driving motor 224, receives data transmitted by the liquid level sensor and the wind speed sensor, controls the driving motor 224 to operate to enable the filter screen 21 to move, controls the pump 32 to operate to enable condensed water in the water storage tank 34 to be sprayed out through the spray head and cleans the filter screen 21;
specifically, the air speed sensor comprises a first air speed sensor and a second air speed sensor, wherein the first air speed sensor is arranged on the air inlet side of the filter screen 21 and detects the air speed V1 on the air inlet side of the filter screen 21; the second air speed sensor is arranged on the air outlet side of the filter screen 21 and detects the air speed V2 on the air outlet side of the filter screen 21; obtaining the ventilation quantity delta V of the filter screen 21 as V1-V2 by subtracting V1 and V2, and comparing the delta V with the preset ventilation quantity V0; when delta V is larger than V0, the filth blockage of the filter screen 21 is serious; when the delta V is less than or equal to V0, the filth blockage of the filter screen 21 is not serious;
when the liquid level H1 of the water storage tank 34 is higher than the preset liquid level H0, the water in the water storage tank 34 is enough to clean the filter screen 21; when the liquid level H1 of the water storage tank 34 is lower than or equal to the preset liquid level H0, the water in the water storage tank 34 is not enough to clean the filter screen 21;
when the delta V is more than V0 and H1 is more than H0, the controller controls the driving motor 224 and the pump 32 to operate, and the brush 31 and the water sprayed by the spray head clean dust on the filter screen 21;
when the delta V is less than or equal to V0 or H1 is less than or equal to H0, the controller controls the driving motor 224 and the pump 32 to stop running.
In conclusion, the cleaning of the brush 31 and the cleaning of the condensed water are combined, so that the cleaning strength and the cleaning effect of the filter screen 21 are improved, the filter screen 21 is cleaned more thoroughly, the cleanliness of the filter screen 21 is ensured, the dehumidification efficiency of the dehumidifier is improved, and the automation degree is high;
secondly, when the indoor air humidity is low, the condensed water in the water storage tank 34 can be sprayed to the surface of the filter screen 21 through the spray head under the action of the pump 32, so that the air entering the dehumidifier is humidified, and the application range of the dehumidifier is expanded.
< control method >
As shown in fig. 5, the present invention further provides a method for controlling a dehumidifier according to any one of the above methods, comprising:
s1, determining the filth blockage degree of the filter screen 21;
s2, controlling the filter screen 21 to move according to the degree of dirt blockage of the filter screen 21, and the brush 31 cleans the dust on the filter screen 21.
Further, S1 includes:
s11, respectively acquiring the wind speed V1 at the air inlet side and the wind speed V2 at the air outlet side of the filter screen 21;
s12, obtaining the ventilation quantity delta V of the filter screen 21 by subtracting the V1 from the V2, wherein the ventilation quantity delta V is V1-V2;
s13, comparing the ventilation quantity delta V of the filter screen 21 with a preset ventilation quantity V0;
when the delta V is larger than V0, the filter screen 21 is seriously clogged, and the filter screen 21 needs to be cleaned;
when the delta V is less than or equal to V0, the filth blockage of the filter screen 21 is not serious, and the filter screen 21 does not need to be cleaned.
In order to combine the brush 31 cleaning and the condensed water cleaning to improve the effect of cleaning the filter net 21, S1 further includes:
s14, acquiring the liquid level of the water storage tank 34;
s15, comparing the liquid level H1 of the water storage tank 34 with a preset liquid level H0;
when H1 is more than H0, the condensed water in the water storage tank 34 is enough to clean the filter screen 21, so that the filter screen 21 can be cleaned;
when H1 is less than or equal to H0, the condensed water in the water storage tank 34 is not enough to clean the filter screen 21, and the filter screen 21 cannot be cleaned.
Further, S2 further includes:
s21, when the delta V is larger than V0 and the H1 is larger than H0, the driving motor 224 and the pump 32 are controlled to operate, and the brush 31 and the water sprayed by the spray head clean dust on the filter screen 21;
s22, when the delta V is less than or equal to V0 or H1 is less than or equal to H0, the driving motor 224 and the pump 32 are controlled to stop running.
Specifically, when the filter screen 21 is not cleaned by the dehumidifier, the first air speed sensor and the second air speed sensor detect the air speed every ten minutes, and when the ventilation quantity Δ V of the filter screen 21 is greater than the preset ventilation quantity V0, it indicates that the filter screen 21 needs to be cleaned;
when the dehumidifier cleans the filter screen 21, the first air speed sensor and the second air speed sensor detect the air speed every minute, when the ventilation quantity delta V of the filter screen 21 is less than or equal to the preset ventilation quantity V0, the cleanliness of the filter screen 21 meets the requirement, and at the moment, the driving motor 224 and the pump 32 are controlled to stop running; when the liquid level H1 of the water storage tank 34 is less than or equal to the preset liquid level H0, it is indicated that the condensed water in the water storage tank 34 is not enough to clean the filter screen 21, the driving motor 224 and the pump 32 are controlled to stop running temporarily, after the dehumidifier runs for the preset time, the condensed water in the water storage tank 34 is supplemented, and the driving motor 224 and the pump 32 are controlled to run again; preferably, the preset time is twenty minutes.
Example 2
The dehumidifier of the embodiment is the same as the dehumidifier of the embodiment 1, in order to avoid potential safety hazards caused by splashing of condensed water when the condensed water sprayed from the spray head cleans the filter screen 21, a water baffle is arranged at the bottom of the evaporator 13, and the condensed water sprayed from the spray head cleans the filter screen 21, then is guided into the water receiving tray 4 and is discharged through the water outlet.
Example 3
The dehumidifier of this implementation is the same with the dehumidifier major structure in embodiment 1, and filter screen 21 one side is the filtration, and the other side is hollow out construction, guarantees the intake, and after filter screen 21 cleaned, makes the filtration be in air intake 11 department, guarantees the filter effect.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (12)
1. A dehumidifier, comprising:
a housing formed with an air inlet;
the filter screen assembly comprises a filter screen, the filter screen is arranged at the air inlet and can be controlled to do unidirectional annular motion or bidirectional reciprocating motion at the air inlet;
the cleaning assembly comprises a brush, the brush is arranged on a motion path of the filter screen and can be in contact with the filter screen, and dust on the filter screen can be cleaned by the brush when the filter screen moves.
2. The dehumidifier of claim 1, wherein the brush is formed with a water spray port and a cavity communicating with the water spray port, so that water is supplied to the brush through the cavity and sprayed from the water spray port to the filter screen when the filter screen moves.
3. The dehumidifier of claim 2, wherein the dehumidifier further comprises an evaporator; the cleaning assembly further comprises a pump and a reservoir;
the water storage tank is used for storing condensed water generated by the evaporator, and the pump is used for supplying the condensed water in the water storage tank to the cavity so that the brush can spray water to the filter screen while sweeping the filter screen.
4. The dehumidifier of claim 3, wherein the dehumidifier comprises a water pan, the water pan is formed with a support rib, and the support rib divides the water pan into a water receiving tank and a water storage tank; the water receiving pool and the water storage pool can both collect condensed water generated by the evaporator;
a water outlet is formed at the bottom of the water receiving tank, and a water storage port is formed at the bottom of the water storage tank; the water storage port is provided with the water storage tank, and the water storage tank is communicated with the water storage tank through the water storage port.
5. The dehumidifier of claim 4 wherein the support ribs form overflow ports communicating the water receiving sump and the water reservoir; the condensed water in the reservoir can enter the water receiving tank through the overflow port and is discharged out of the dehumidifier through the water outlet.
6. The dehumidifier of claim 1, wherein the filter screen assembly further comprises a filter screen driving mechanism, the filter screen driving mechanism comprising a first rotating shaft, a second rotating shaft and a driving motor; the first rotating shaft is rotatably arranged at the upper side of the air inlet, and the second rotating shaft is rotatably arranged at the lower side of the air inlet and is in driving connection with the driving motor;
two ends of the filter screen are respectively arranged on the first rotating shaft and the second rotating shaft in a surrounding mode, so that the filter screen can cover the air inlet; when the driving motor drives the second rotating shaft to rotate, the filter screen does unidirectional annular motion or bidirectional reciprocating motion around the first rotating shaft and the second rotating shaft.
7. The dehumidifier of claim 6, wherein the first rotating shaft and the second rotating shaft are both formed with a limiting groove, one end of the filter screen surrounds the limiting groove of the first rotating shaft, and the other end of the filter screen surrounds the limiting groove of the second rotating shaft.
8. The dehumidifier of claim 6, further comprising a controller, a liquid level sensor and a wind speed sensor, wherein the liquid level sensor is used for detecting the liquid level of the water storage tank, and the wind speed sensor is used for detecting the ventilation quantity of the filter screen; the controller respectively with level sensor, air velocity transducer, pump and driving motor electricity are connected, the controller is received the data of level sensor and air velocity transducer conveying, and control driving motor operation is with filter screen motion and control the pump operation makes condensate water in the water storage tank is spout and is washd through the water jet the filter screen.
9. A method of controlling a dehumidifier according to any one of claims 1 to 8 comprising:
s1, determining the filth blockage degree of the filter screen;
s2, controlling the filter screen to move according to the filth blockage degree of the filter screen, and further cleaning the dust on the filter screen by the brush.
10. The method of controlling a dehumidifier of claim 9, wherein said S1 includes:
s11, respectively acquiring a wind speed V1 at the air inlet side and a wind speed V2 at the air outlet side of the filter screen;
s12, obtaining the ventilation quantity delta V of the filter screen by subtracting V1 from V2, wherein the ventilation quantity delta V is V1-V2;
s13, comparing the ventilation quantity delta V of the filter screen with a preset ventilation quantity V0;
when delta V is more than V0, the filter screen is seriously filthy and blocked;
when the delta V is less than or equal to V0, the filth blockage of the filter screen is not serious.
11. The method of controlling a dehumidifier according to claim 10, wherein said S1 further comprises:
s14, acquiring the liquid level of the water storage tank;
s15, comparing the liquid level H1 of the water storage tank with a preset liquid level H0;
when H1 is greater than H0, the condensed water in the water storage tank is enough to clean the filter screen;
when H1 is not more than H0, the condensed water in the water storage tank is not enough to clean the filter screen.
12. The method of controlling a dehumidifier according to claim 11, wherein said S2 further comprises:
s21, when the delta V is larger than V0 and the H1 is larger than H0, controlling a driving motor and a pump to operate, and cleaning dust on the filter screen by the brush and water sprayed by a spray head;
and S22, when the delta V is less than or equal to V0 or H1 is less than or equal to H0, controlling the driving motor and the pump to stop running.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325660A (en) * | 2022-08-19 | 2022-11-11 | 珠海格力电器股份有限公司 | Dust removal device, dust removal control method and device, air conditioner and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046373Y (en) * | 2007-04-18 | 2008-04-16 | 珠海格力电器股份有限公司 | Filter screen automatic cleaning device for air conditioner |
| CN203837220U (en) * | 2014-01-13 | 2014-09-17 | 广东科龙空调器有限公司 | Dehumidifier water collection tank and dehumidifier |
| CN105783233A (en) * | 2016-03-08 | 2016-07-20 | 广东美的制冷设备有限公司 | Water receiving structure and water fetching device with water receiving structure |
| US20180087785A1 (en) * | 2015-04-30 | 2018-03-29 | Matthias Enzenhofer | Humidity Management Device And Method |
| CN109737527A (en) * | 2019-03-14 | 2019-05-10 | 崔骏逸 | A kind of filter screen of air conditioner auto cleaning system |
| CN111520815A (en) * | 2020-04-16 | 2020-08-11 | 广州市豪越新能源设备有限公司 | Air conditioner and control method thereof |
| CN214791589U (en) * | 2021-04-19 | 2021-11-19 | 杭州弘泰电器有限公司 | Ceiling dehumidifier |
-
2021
- 2021-12-03 CN CN202111466358.XA patent/CN114216179A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046373Y (en) * | 2007-04-18 | 2008-04-16 | 珠海格力电器股份有限公司 | Filter screen automatic cleaning device for air conditioner |
| CN203837220U (en) * | 2014-01-13 | 2014-09-17 | 广东科龙空调器有限公司 | Dehumidifier water collection tank and dehumidifier |
| US20180087785A1 (en) * | 2015-04-30 | 2018-03-29 | Matthias Enzenhofer | Humidity Management Device And Method |
| CN105783233A (en) * | 2016-03-08 | 2016-07-20 | 广东美的制冷设备有限公司 | Water receiving structure and water fetching device with water receiving structure |
| CN109737527A (en) * | 2019-03-14 | 2019-05-10 | 崔骏逸 | A kind of filter screen of air conditioner auto cleaning system |
| CN111520815A (en) * | 2020-04-16 | 2020-08-11 | 广州市豪越新能源设备有限公司 | Air conditioner and control method thereof |
| CN214791589U (en) * | 2021-04-19 | 2021-11-19 | 杭州弘泰电器有限公司 | Ceiling dehumidifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325660A (en) * | 2022-08-19 | 2022-11-11 | 珠海格力电器股份有限公司 | Dust removal device, dust removal control method and device, air conditioner and storage medium |
| CN115325660B (en) * | 2022-08-19 | 2024-05-28 | 珠海格力电器股份有限公司 | Dust removal device, dust removal control method and device, air conditioner and storage medium |
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