CN113310195B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN113310195B CN113310195B CN202010124778.9A CN202010124778A CN113310195B CN 113310195 B CN113310195 B CN 113310195B CN 202010124778 A CN202010124778 A CN 202010124778A CN 113310195 B CN113310195 B CN 113310195B
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- opening degree
- humidification
- water inlet
- air conditioner
- water
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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
- F24F11/0008—Control or safety arrangements for air-humidification
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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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
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
- F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
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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
- F24F2110/20—Humidity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an air conditioner and a control method thereof, the air conditioner comprises a shell, the shell is provided with an air supply outlet, a humidification module is arranged in the shell, the humidification module comprises a humidification box, at least one spraying component is arranged on the humidification box, the spraying component is provided with a water inlet valve, the spraying component is provided with a pair of nozzles, the pair of nozzles spray water in the direction facing each other and then form a water film in the humidification box, air entering the humidification box flows through the water film, is humidified and then is delivered to an indoor space through the air supply outlet, the air conditioner is provided with a plurality of fans, and the air can be guided to the indoor space through the fans, the control method comprises the following steps: according to the humidifying instruction, enabling part or all of the fans to operate; and under the condition that part or all of the plurality of fans are operated, adjusting the opening degree of the water inlet valve. By such an arrangement, a more flexible humidity control system can be achieved.
Description
Technical Field
The invention relates to the technical field of air treatment, in particular to an air conditioner and a control method thereof.
Background
An air conditioner generally has a cooling mode and a heating mode, and air of a suitable temperature can be supplied to a room by circulating a refrigerant through a circuit formed by a compressor, a condenser, a throttle valve, an evaporator and a compressor. However, there are cases where, in addition to the requirement for the air temperature, there are also other requirements for the air quality, such as improvement in cleanliness, increase in humidity, and the like. The improvement of cleanliness factor usually adopts structures such as bactericidal lamp, filter screen to realize, and the increase of humidity often needs to add the structure of humidification function in the air conditioner.
Still taking the increase of humidity as an example, as shown in fig. 1, there are currently air conditioning indoor units: the shell is provided with an air return opening 01 and an air supply opening 02, a volute 03 is arranged in the shell, a fan 04 is arranged in the volute, an evaporator 05 is arranged at the downstream, a wet film support 06 is arranged at the downstream of the evaporator, a wet film is arranged on the wet film support, the wet film is placed in water and supplies water to the wet film in a siphon mode or the like, and air is sucked into the shell through the air return opening under the action of the fan 04, is humidified by the evaporator and the wet film in sequence and then is sent into an indoor space through the air supply opening. However, the humidifying membrane is often calcified after being used for a long time, and the humidifying effect is reduced if the humidifying membrane is not replaced. In addition, after the microorganisms in the air stay in the humidifying membrane, the humidified air causes pollution that affects the health of the body.
Accordingly, there is a need in the art for a new solution to the above-mentioned problems.
Disclosure of Invention
Technical problem
In view of this, the technical problem to be solved by the present invention is to provide a technical solution for humidifying an air conditioner.
Solution scheme
The invention provides a control method of an air conditioner, the air conditioner comprises an air conditioner indoor unit, the air conditioner indoor unit comprises a shell, the shell is provided with an air supply outlet, a humidifying module is arranged in the shell, the humidifying module comprises a humidifying box, at least one spraying component is arranged on the humidifying box, the spraying component is provided with a water inlet valve, the spraying component is provided with a pair of nozzles, a water film is formed in the humidifying box after the pair of nozzles spray water in the direction facing each other, air entering the humidifying box flows through the water film to be humidified and then is delivered to an indoor space through the air supply outlet, the air conditioner is provided with a plurality of fans, and the air can be guided to the indoor space through the fans, the control method comprises the following steps: according to the humidifying instruction, enabling part or all of the fans to operate; and under the condition that part or all of the plurality of fans are operated, adjusting the opening degree of the water inlet valve.
The air conditioner of the invention obtains the water film by directly supplying water to the spraying component, and takes away the moisture by colliding with the water film when the air flows through the water film, thereby providing the moisture which is equivalent to the moisture provided by the wet film in the prior art. Because the water film begins to produce and disappears along with the end of spraying water to spraying water, therefore quality of water is comparatively fresh, can not breed the bacterium to can seek through the humidification scheme that does not cause the pollution and need not to change the part. Further, a better humidification effect can be achieved by the arrangement of the plurality of fans. It can be understood that the structure, the number and the arrangement position of the spraying components can be flexibly selected according to the actual situation. If one spray member is provided on each side (side perpendicular to the air blowing direction) of the indoor unit of the air conditioner, each spray member has only one pair of nozzles, etc.
It should be noted that, a person skilled in the art can determine the number of the spray members arranged on the humidification box, the position where the spray members can be installed, and the specific installation manner according to actual situations. Such as: two side parts of the humidifying box are respectively provided with an installation position, and the spraying component can be installed at any installation position and the like. Or one mounting position is changed into a plurality of mounting positions arranged along the air supply direction, and under the condition that two spraying components are arranged in the humidifying box, the mounting positions can be flexibly selected according to actual conditions to arrange the spraying components, so that the position of the water film is translated, and on the basis, the humidifying effect which meets the requirements of users or is more scientific is achieved.
Through controlling the openness of the running fan and the water inlet valve, a more flexible humidity adjusting mode can be achieved, and different humidification requirements can be met.
In a possible implementation manner of the above control method, the air conditioner includes a heat exchanger and a refrigerant circuit including the heat exchanger, the humidification module is disposed downstream of the heat exchanger along an air outlet direction, and the control method includes: and closing the refrigerant loop.
By such an arrangement, the humidification demand can be performed more accurately, and a better humidification effect can be achieved.
With respect to the above control method, in one possible embodiment, in the case that the number of the spraying means is plural, the opening degrees of the water inlet valves corresponding to the different spraying means are the same or different.
With such an arrangement, more diversified humidification effects can be achieved. If the two side parts of the humidifying box are respectively provided with the spraying components, and the water films generated by the two spraying components are spaced along the air supply direction, the opening degrees of the water inlet valves corresponding to different water films can be different, so that better humidifying effect can be achieved in the process of adopting double-layer film humidifying. In terms of distance, since the velocity of air on the downstream side is lower than that on the upstream side, the water film can be thin and the resistance is small.
With regard to the above control method, in one possible embodiment, the control method includes: the humidification instruction comprises a first humidification instruction, and the control method comprises the following steps: and according to the first humidification instruction, enabling part of the plurality of fans to operate, and enabling the opening degree of a water inlet valve of the spraying component not to be higher than a first set opening degree.
With this arrangement, the air in the indoor space can be humidified gently without a need for humidification. The first humidification instruction corresponds to modes such as normal humidification and economic humidification.
With regard to the above control method, in a possible embodiment, "operating some of the plurality of fans according to the first humidification instruction so that the opening degree of the water inlet valves of the plurality of spraying members is not higher than a first set opening degree" specifically includes: the opening degree of the water inlet valves of the plurality of spraying components is synchronously changed between a first opening degree and a second opening degree which are smaller than or equal to a first set opening degree, wherein the first opening degree is smaller than the second opening degree, and the second opening degree is smaller than or equal to the first set opening degree.
With this arrangement, the air in the indoor space can be humidified gently without a need for humidification. Such as continuously or by setting several node openings between the first opening and the second opening and then changing abruptly between the nodes. If a node opening degree is set between the first opening degree and the second opening degree, the three opening degrees including the first opening degree and the second opening degree can enable the water inlet valve to jump and change among the three node points, and stay for a set time length at each node point.
With regard to the above control method, in a possible embodiment, "synchronizing the opening degrees of the water inlet valves of the plurality of spray members to change between a first opening degree and a second opening degree which are less than or equal to a first set opening degree" specifically includes: detecting the humidification time; detecting the humidity of the indoor space; and under the condition that the humidifying time reaches the first set time but the humidity does not reach the first set humidity, synchronizing the opening degree of the water inlet valves of the plurality of spraying components to be the first set opening degree.
With this arrangement, the humidification demand can be satisfied within a predetermined time period.
With regard to the control method described above, in one possible embodiment, the first set opening degree is 70%.
The combination of partial fan operation and partial opening of the water inlet valve can achieve more gentle humidification effect
With regard to the above control method, in one possible implementation, the humidification instruction includes a second humidification instruction, and the control method includes: and according to the second humidification instruction, all the fans are operated, and the opening degree of a water inlet valve of the spraying component is not lower than a second set opening degree.
With such an arrangement, it is possible to quickly humidify the air in the indoor space in a situation where the demand for humidification is urgent. The first humidifying instruction corresponds to modes such as rapid humidifying and emergency humidifying.
With regard to the above control method, in a possible embodiment, "making the opening degree of the water inlet valves of the plurality of spray members not less than the second set opening degree" specifically includes: detecting the humidification time; detecting the humidity of the indoor space; and under the condition that the humidifying time reaches the second set time but the humidity does not reach the second set humidity, synchronizing the opening degree of the water inlet valves of the plurality of spraying members to be the second set opening degree, wherein the second set opening degree is not less than 90%.
By such an arrangement, the air in the indoor space can be humidified to a desired humidity level more quickly.
The invention also provides an air conditioner which comprises a controller, wherein the controller is used for executing the control method in any one of the preceding items.
It should be noted that the air conditioner has all the technical effects of the foregoing control method, and details are not repeated herein.
Drawings
The invention will be described with reference to the accompanying drawings in connection with a situation in which both the fan and the spray member are present. In the drawings:
fig. 1 is a schematic view showing a configuration of an air conditioner having a humidifying function according to a conventional example;
FIG. 2 is a first schematic structural diagram of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a second schematic view of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic structural view illustrating a humidifying module of an air conditioner according to an embodiment of the present invention;
fig. 5 is an exploded view illustrating a humidifying module of an air conditioner according to an embodiment of the present invention;
fig. 6 is a schematic structural view illustrating a spray member of a humidification module of an air conditioner according to an embodiment of the present invention;
fig. 7 is a flow chart showing a control method of an air conditioner according to an embodiment of the present invention; and
fig. 8 shows a second flowchart of a control method of an air conditioner according to an embodiment of the present invention.
List of reference numerals:
01. an air return opening; 02. an air supply outlet; 03. a volute; 04. a fan; 05. an evaporator; 06. a wet film support; 1. a housing; 2. a humidifying module; 3. a water pan; 11. an air supply outlet 12 and an air return outlet; 13. a water discharge joint of the water receiving tray; 14. a refrigerant pipeline joint; 15. a water source connector 16 and a lifting lug; 17a, a first fan; 17b, a second fan; 21. a humidifying box; 211. a first drain hole; 212; a second drain hole; 22. a humidifying cover; 41. a first water blocking net; 42. a second water retaining net; 43. a third water retaining net; 5. a spray member; 51. a first pipe body; 52. a second tube body; 521. a first branch pipe; 522. a second branch pipe; 5221. a ring platform; 53. a third tube; 54. an installation end; 55. and (4) a nozzle.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. As described by illustrating two fans and two spraying members as an example in the present embodiment, it is obvious that a person skilled in the art can flexibly adjust the number, the arrangement positions, and the like of the fans and the spraying members according to actual situations.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 2 to 5, fig. 2 is a first structural schematic diagram of an air conditioner according to an embodiment of the present invention, fig. 3 is a second structural schematic diagram of an air conditioner according to an embodiment of the present invention, fig. 4 is a second structural schematic diagram of a humidification module of an air conditioner according to an embodiment of the present invention, and fig. 5 is an exploded schematic diagram of a humidification module of an air conditioner according to an embodiment of the present invention. The air conditioner generally includes an outdoor unit and an indoor unit, the outdoor unit is mainly provided with a compressor, an outdoor fan and an outdoor heat exchanger (generally called condenser), the indoor unit is mainly provided with an indoor heat exchanger (generally called evaporator), and the compressor, the condenser, the evaporator and the compressor form a refrigerant circulation loop. The air conditioner is in a refrigeration cycle when the refrigerant circulates along the compressor → the condenser → the evaporator → the compressor. When the refrigerant circulates along the compressor → the evaporator → the condenser → the compressor, the air conditioner is in a heating cycle. The air-conditioning indoor unit comprises a shell 1 which is installed (such as suspended on a wall or a ceiling) or placed in an indoor space, wherein a fan, an evaporator, a water receiving disc 3, an electric cabinet and the like are arranged in the shell 1, an air supply opening 11 and an air return opening 12 are arranged on the shell 1, and when the air-conditioning is used for refrigerating/heating, air in the indoor space is pumped into the shell through the air return opening under the action of the fan, exchanges heat with the surface of the evaporator and then is sent into the indoor space through the air supply opening. The shell is provided with a water receiving tray drainage joint 13 for discharging water of the water receiving tray outwards, a refrigerant pipeline joint 14 for filling refrigerant, a water source joint 15 (for supplying water to a spray component in the following text) and a lifting lug 16, and the indoor unit of the air conditioner is fixed in an indoor space through the lifting lug. A humidification module 2 for performing humidity increasing treatment on air entering the indoor space is further arranged in the shell. The humidifying module is positioned between the evaporator and the air supply outlet. When the humidification module works, under the action of the fan, air in the indoor space enters the shell through the air return opening, exchanges heat with the surface of the evaporator and then is sent into the indoor space through the air supply opening. The humidifying module comprises a humidifying box 21, two side parts of the humidifying box are respectively provided with a spraying component 5, the spraying component is provided with a pair of nozzles, after the pair of nozzles spray water towards the directions facing each other (for example, the speed of the sprayed water flow is 5-10 m/s), a water film is formed inside a cavity of the humidifying box, when the air flows through the water film at the position of the heat exchanger, the air collides with the water film and takes away part of water in the water film, so that the humidity is increased, and then the air is delivered to the indoor space through an air supply outlet, so that the humidifying function is realized.
In one possible embodiment, the humidification cartridge is mounted as a unit within the housing to facilitate the addition and removal of the humidification module within the air conditioner. The humidifying box is positioned above the water receiving tray 3. The humidifying box is provided with a plurality of drain holes at a position close to the water receiving tray, namely, a region close to the bottom, so that water sprayed from the nozzles is drained out of the humidifying box after the water participates in humidifying treatment. If the bottom of the humidifying box and the bottom of the side walls at the two sides of the humidifying box are respectively provided with the first drain hole 211 and the second drain hole 212, the diameter of the second drain hole is preferably smaller than or equal to that of the first drain hole, so that the phenomenon that water splashes out of the humidifying box from the second drain hole in the process of colliding air and water films is avoided as much as possible. Preferably, the water in the (first and second) drain holes is guided to the water pan and then drained out of the air conditioner, and of course, a drain pipe may be connected to any one of the holes to directly drain the water out of the air conditioner.
The humidifying box has a first open structure and a second open structure along the upstream side and the downstream side of the air flow, respectively, and at least a part of the first open structure and the second open structure is provided with a water blocking member which allows the air to flow into the humidifying box through the water blocking member on the one hand and enables at least a part of the water to splash out of the humidifying box on the other hand. That is, the water blocking member mainly functions to prevent water droplets splashed from the nozzle or water droplets on a water film after being collided with air from splashing outside the humidifying box within a range where good air exchange is ensured. For example, the water retaining member may be a net structure, such as a porous non-metal screen, with a thickness of 0-20mm, preferably 8-10mm, preferably (e.g., 10mm; the water retaining net has a mesh density of 20-100PPM, preferably 20-40PPM. For example, the water retaining member may be a polyurethane water retaining net (hereinafter referred to as a water retaining net) with a mesh density of 40PPM and a thickness of 10 mm.
In a preferred embodiment, the first open structure includes a first opening and a second opening disposed at the rear side and the top of the humidification case, the second open structure includes a third opening disposed at the front side of the humidification case, the first opening is provided with a first water blocking net 41, the second opening is provided with the humidification cover 22, a second water blocking net 42 is disposed below the humidification cover, and the third opening is provided with a third water blocking net 43. Preferably, the water blocking nets (41, 42, 43) are detachably disposed at the first opening, the second opening and the third opening, respectively. For example, the second water blocking net 42 at the top is fixed on the humidifying cover by a buckle, and the third water blocking net 43 at the front side and the first water blocking net 41 at the rear side are fixed by a clamping manner, for example, stop grooves matched with the water blocking nets (41, 42) are respectively arranged at the front side and the rear side of the humidifying box, and the water blocking nets (41, 43) are respectively and directly inserted into the corresponding stop grooves.
The top outer edges of the humidifying cover and the humidifying box are preferably in sealing assembly, so that water in the humidifying box is prevented from splashing out through a gap between the top outer edges and the humidifying box. On the basis of realizing the sealing connection, the left side and the right side of the humidifying cover 22 are additionally connected with the humidifying box in a buckling manner, so that the second water retaining net 42 below the humidifying cover is convenient to replace. In order to increase the air inlet area, the humidifying cover is of a structure which is inclined downwards from left to right, and in order to ensure the area of a water film simultaneously, the included angle between the humidifying cover and the horizontal plane is preferably not more than 30 degrees. In order to ensure the ventilation performance of the second opening, a plurality of air holes are designed on the humidifying cover, and meanwhile, in order to ensure the humidifying function, the humidifying cover is not provided with the air holes at the position corresponding to the water film.
Based on the structure, the process of the air conditioner for realizing air humidification is as follows: under the action of the fan, indoor air is pumped into the shell, the air inside the shell is divided into two paths, the two paths of air respectively pass through the first water retaining net 41 and the humidifying cover-second water retaining net 42 of the humidifying module to be decelerated and enter the humidifying box, then pass through the water film, collide with the water film and take away part of liquid in the water film in the process of passing through the water film, so that the humidity of the air is increased, then pass through the third water retaining net 43 to reach the outside of the humidifying box, and finally enter the indoor space through the air supply opening. The air in the indoor space can be humidified by circulating the air humidifying device.
Referring further to fig. 6, fig. 6 is a schematic structural view illustrating a spray member of a humidifying module of an air conditioner according to an embodiment of the present invention. In a possible embodiment, the spray member 5 comprises a base body having a water inlet end and a water outlet end, the water outlet end being provided with a pair of nozzles 55 with their spray directions facing each other, the water inlet end and the pair of nozzles each forming a flow path therebetween, so that water entering from the water inlet end can reach each nozzle through the flow path corresponding to the nozzle. Specifically, the base member includes the first body 51 as being responsible for, and first body extends outward has two pipe diameters to be less than the second body 52 of first body, and the nozzle sets up in the one end that first body was kept away from to the second body. Specifically, the second pipe body includes a first branch pipe 521 extending radially outward along the first pipe body and perpendicular to the first pipe body, the first branch pipe extends at one end away from the first pipe body along the axial direction of the first pipe body and to another nozzle to form a second branch pipe 522 having a pipe diameter smaller than that of the first branch pipe, and the nozzle 55 is disposed at one end of the second branch pipe away from the first branch pipe. In addition, the second branch pipe extends outwardly with a ring stand 5221 at a position close to the nozzle, so that the nozzle is located just in the middle of the ring stand.
It can be seen that the flow path corresponding to the two nozzles consists of the first tube → the first branch → the second branch. In order to ensure the quality of the water film, the two pipelines corresponding to the nozzles are of a symmetrical structure. It can be understood that the structural flow channel of each pipe can also be in other composition forms, such as a flow channel which divides the interior of the first pipe body into two cavities, each cavity corresponds to one nozzle, the first branch pipe and the second branch pipe are arc-shaped pipes, the second branch pipe is a reducing structure along the water flow direction, and the like.
The first body is provided with a third body 53 extending outwards at a position corresponding to the water inlet end, and the spray component can be connected to an external water source by arranging a connecting pipeline (such as a silicone tube) matched with the external thread on the third body. The pipeline is provided with a special pump and a special water inlet valve, the pump and the water inlet valve are respectively arranged aiming at each spraying component, or one pump can be shared, and the water inlet valves and the like are respectively arranged.
The first pipe body is extended outwardly in a direction opposite to the extending direction of the second branch pipe with two mounting ends 54, for example, the mounting ends are cylindrical structures having internal threads, holes are provided at corresponding positions of the humidifying box, and the shower member is connected to the humidifying module by means of fasteners. Preferably, the two mounting ends are located on both sides of the third pipe body in the axial direction of the first pipe body. It can be understood that the number, specific form and arrangement position of the installation ends can be flexibly selected according to actual conditions, for example, two installation ends are respectively arranged on two sides of the third pipe body. It is understood that the above-mentioned manner of installing the installation position of the spray member is only an exemplary description, and those skilled in the art may adopt other manners to realize the fixing of the spray member on the humidification case. If the structure of the spraying component is the same, other installation modes are adopted, or when the structure of the spraying component is changed, the specific form of the installation position is adjusted correspondingly, and the like. In this embodiment, the axes of the (first, second and third) tubular bodies are coplanar, and the axes of the (first and second) branch pipes are respectively collinear with the axes of the (first and second) mounting ends.
In a specific implementation mode, a humidification module of the air conditioner is positioned between an evaporator and an air supply outlet, two fans which can independently operate are arranged in a shell, for example, two fans (17 a and 17 b) are arranged on two sides in the shell, and one or both of the fans can operate according to different air supply requirements. And two sides of the humidifying box are respectively provided with a spraying component, and a water inlet valve (such as an electromagnetic valve) is arranged on a water inlet pipeline of each spraying component. The air conditioner is further provided with a controller for executing such a control method:
acquiring a humidifying instruction;
according to the humidifying instruction, one or two of the two fans are operated;
and in the case that one or two fans are operated, the opening degree of the water inlet valve is adjusted.
The humidification level can be better adjusted by adjusting the running number of the fans and the opening degree of the water inlet valve. And the mode of confirming the opening degree of the water inlet valve after confirming the number of the fans firstly can seek for more stable humidity adjusting process. On the basis, the operation parameters of the fan can be further adjusted or selected, and a better humidity adjusting effect is obtained. In case that the opening degree condition is satisfied, the opening degrees of the water inlet valves of the two spraying members may be the same or different. The opening degrees of the two spray members are always kept the same in a synchronized adjustment manner as in the present embodiment.
In the process of increasing the humidity of the air, the normal cooling and heating operation can be stopped or performed simultaneously. As the function of increasing humidity by using the humidifying module of the present invention can be accomplished in a short time, in a preferred embodiment, the refrigerant circuit of the air conditioner is closed during the humidifying period, i.e., the normal cooling and heating operation of the air conditioner is suspended. Because the fan only serves the humidification function at this moment, the running condition of the fan can be adjusted more flexibly according to the humidification requirement, and the realization degree of the humidification function is ensured.
The humidification instruction can include the multiple, following according to the urgency of humidification demand divide into two kinds with the humidification instruction, specifically, the humidification instruction includes the first humidification instruction that the demand is comparatively mild and the comparatively urgent second humidification instruction of demand, if first humidification instruction corresponds to the ordinary humidification mode of air conditioner, the second humidification instruction corresponds to the quick humidification mode of air conditioner.
Referring to fig. 7, fig. 7 shows a first flowchart of a control method of an air conditioner according to an embodiment of the present invention. In the case where the humidification instruction is a first humidification instruction, the control method includes:
and according to the first humidification instruction, one fan is operated, and the opening degree of a water inlet valve of the spraying component is not higher than the first set opening degree. Such as 70-80% (preferably 70%) of the first set opening.
With such an arrangement, the air can be slowly circulated and humidified.
It will be appreciated that the degree of opening of the inlet valve may be continuously at a fixed degree of opening, or may be changed between fixed degrees of opening, in a manner of a jump after a certain time interval, or may be changed continuously and smoothly. In a preferred embodiment, the opening degree of the water inlet valve is changed between a first opening degree which is equal to or less than a first set opening degree and a second opening degree which is equal to or less than a second set opening degree, for example, the first opening degree is 40-50%, and the second opening degree is 60-80%. Illustratively, the opening of the water inlet valve is continuously changed between 50-70%.
However, even if the humidification demand is gentle, if the time is too long, the basic function of the air conditioner will be affected because the cooling and heating operation is suspended. In view of this, the control method further includes:
detecting a humidification time and humidity of an indoor space;
and under the condition that the humidifying time reaches the first set time but the humidity does not reach the first set humidity, the opening degrees of the water inlet valves of the two spraying components are synchronized to be the first set opening degree. For example, the first set time is 10-15min.
Under the comparatively mild condition of humidification demand, make one of them fan operation can, so, avoided noise, electric power use scheduling problem that probably leads to because two fans of concurrent operation have under the prerequisite that the humidification target can be realized. Because the opening degree of the water inlet valve is adjusted flexibly and the influence on the indoor space is small, the opening degree of the water inlet valve is only required to be increased under the condition of longer humidifying time.
Referring to fig. 8, fig. 8 is a second flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention. In the case where the humidification instruction is the second humidification instruction, the control method includes:
and according to the second humidification instruction, enabling the two fans to operate completely and enabling the opening degree of the water inlet valves of the two spraying components not to be lower than a second set opening degree. If the second set opening is not less than 90% (e.g. 100%), the opening of the water inlet valve may be a fixed opening or may be changed between openings. For example, in order to ensure the humidifying efficiency, the opening degree of the water inlet valve is increased in a step-shaped manner by taking 3% as a step from 80%.
However, since the humidification requirement in this case is urgent, a large opening or an increase in the opening of the water inlet valve cannot be satisfied. In view of this, the control method further includes:
detecting a humidification time and humidity of an indoor space;
and under the condition that the humidifying time reaches the second set time but the humidity does not reach the second set humidity, the opening degrees of the water inlet valves of the two spraying components are synchronized to be 100%. For example, the second setting time is 3-5min.
It can be seen that in the case where the humidification demand is urgent, the humidification demand is satisfied in a short time by operating the two fans at the same time. The opening degree of the water inlet valve is directly opened to the maximum under the condition of longer humidifying time.
It should be noted that although the air conditioner configured as described above in the specific manner is described as an example, those skilled in the art will appreciate that the present invention should not be limited thereto. In fact, the user can flexibly set corresponding parameters such as the (first and second) setting time, the (first and second) setting humidity, the (first and second) opening degree and other parameters according to the actual application scene and other situations. And the number, the installation position and the like of the spraying components and the fans can be reasonably selected.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. A control method of an air conditioner is characterized in that the air conditioner comprises an air conditioner indoor unit, the air conditioner indoor unit comprises a shell, the shell is provided with an air supply outlet, a humidifying module is further arranged in the shell, the humidifying module comprises a humidifying box, at least one spraying component is arranged on the humidifying box, the spraying component is provided with a water inlet valve, the spraying component comprises a base body, the base body is provided with a water inlet end and a water outlet end, the water outlet end is provided with a pair of nozzles, the spraying directions of the nozzles face each other, flow channels are respectively formed between the water inlet end and the pair of nozzles, so that water entering from the water inlet end can reach the nozzles through the flow channels corresponding to the nozzles, and therefore:
the pair of nozzles form a water film inside the humidification box after spraying water in a direction facing each other, the air entering the humidification box flows through the water film, is humidified, and then is delivered to an indoor space through the air supply outlet,
the air conditioner also comprises a heat exchanger and a refrigerant loop comprising the heat exchanger, the humidifying module is arranged at the downstream of the heat exchanger along the air outlet direction,
the air conditioner is provided with a plurality of fans through which air can be guided to an indoor space, and the control method includes:
according to the humidifying instruction, enabling part or all of the fans to operate;
under the condition that part or all of the fans are operated, the opening degree of the water inlet valve is adjusted to close the refrigerant loop;
wherein the humidification instruction comprises a first humidification instruction corresponding to a common humidification mode of the air conditioner, and the control method comprises the following steps:
according to the first humidification instruction, enabling part of the plurality of fans to operate, and enabling the opening degree of a water inlet valve of the spraying component not to be higher than a first set opening degree;
wherein the first set opening degree is 70-80%;
wherein the humidification instruction includes a second humidification instruction corresponding to a fast humidification mode of the air conditioner, the control method including:
according to the second humidification instruction, all the fans are enabled to operate, and the opening degree of a water inlet valve of the spraying component is not lower than a second set opening degree;
wherein the second set opening degree is not less than 90%.
2. The control method according to claim 1, wherein in a case where the number of the spray members is plural, opening degrees of the water inlet valves corresponding to the different spray members are the same or different.
3. The control method according to claim 1, wherein the "operating some of the plurality of fans according to the first humidification instruction so that the opening degree of a water inlet valve of the spraying member is not higher than a first set opening degree" specifically includes:
the opening degrees of the water inlet valves of the plurality of spraying components are synchronously changed between a first opening degree and a second opening degree which are less than or equal to a first set opening degree,
the first opening degree is smaller than the second opening degree, and the second opening degree is smaller than or equal to a first set opening degree.
4. The control method according to claim 3, wherein the "synchronously changing the opening degrees of the inlet valves of the plurality of spraying members between a first opening degree and a second opening degree which are less than or equal to a first set opening degree" specifically includes:
detecting the humidification time;
detecting the humidity of the indoor space;
and under the condition that the humidifying time reaches the first set time but the humidity does not reach the first set humidity, synchronizing the opening degree of the water inlet valves of the plurality of spraying components to be the first set opening degree.
5. The control method according to claim 1, characterized in that the first set opening degree is 70%.
6. The control method according to claim 1, wherein "making an opening degree of a water inlet valve of the spray member not lower than a second set opening degree" specifically includes:
detecting the humidification time;
detecting the humidity of the indoor space;
and under the condition that the humidifying time reaches a second set time but the humidity does not reach a second set humidity, synchronizing the opening degree of the water inlet valves of the plurality of spraying components to the second set opening degree.
7. An air conditioner characterized by comprising a controller for executing the control method according to any one of claims 1 to 6.
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| CN202010124778.9A CN113310195B (en) | 2020-02-27 | 2020-02-27 | Air conditioner and control method thereof |
| PCT/CN2020/136791 WO2021169506A1 (en) | 2020-02-27 | 2020-12-16 | Air conditioner and control method therefor |
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| CN202010124778.9A CN113310195B (en) | 2020-02-27 | 2020-02-27 | Air conditioner and control method thereof |
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| WO2021169506A1 (en) | 2021-09-02 |
| CN113310195A (en) | 2021-08-27 |
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