CN110686399B

CN110686399B - Air conditioner and control method thereof

Info

Publication number: CN110686399B
Application number: CN201810731618.3A
Authority: CN
Inventors: 高波; 武磊; 邱嵩; 李永鹏; 申伟杰; 苗清波; 魏向阳; 孙亚楠
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd; Chongqing Haier Air Conditioner Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd; Chongqing Haier Air Conditioner Co Ltd
Priority date: 2018-07-05
Filing date: 2018-07-05
Publication date: 2021-09-21
Anticipated expiration: 2038-07-05
Also published as: CN110686399A

Abstract

The invention discloses an air conditioner and a control method thereof, and belongs to the technical field of air conditioners. The air conditioner comprises an evaporator system, wherein the evaporator system comprises evaporator fins, a spraying device and a recovery device; the spraying device comprises a spraying pipe, the spraying pipe is embedded on the evaporator fin and sprays water along the surface of the evaporator fin; the recovery unit includes the inlet tube, the inlet tube with the shower intercommunication, recovery unit passes through the water recycling that the inlet tube was collected the water collector. The spraying pipes arranged on the evaporator fins in an embedded mode spray water on the surfaces of the evaporator fins, so that the air humidity of the air around the evaporator fins can be improved, the sprayed water is prevented from leaking, the temperature of the evaporator fins is lower and lower through recycling of the water, the frosting area of the evaporator is guaranteed, and the self-cleaning effect of the evaporator system is guaranteed.

Description

Air conditioner and control method thereof

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method thereof.

Background

With the rapid development of social economy, the air conditioner becomes a necessary product for families and offices of people, because the interior of the air conditioner has a lot of dust, however, due to the special structure, the air conditioner is very difficult to clean, and is taken to a special cleaning shop for cleaning, and the air conditioner needs to be disassembled and installed back and forth, so that the air conditioner with the self-cleaning function is urgently needed.

The principle of self-cleaning of the air conditioner is that the evaporation temperature is reduced, so that the surface temperature of the evaporator fin is lower than the dew point temperature of indoor wet air, water is condensed and even frosted on the surface of the evaporator fin, and water formed by defrosting flows to take away dust attached to the surface of the evaporator fin, but when the air conditioner is in a T3 working condition, wherein the T3 working condition is a high-temperature climate type, the service climate environment (highest temperature) can reach 52 ℃, and the service environment is the worst. Under the condition of T3, the evaporator fins are in a high-temperature environment, if the humidity is low, the evaporator fins cannot frost, and the self-cleaning effect is greatly reduced.

Disclosure of Invention

The embodiment of the invention provides an air conditioner and a control method thereof, and aims to solve the problem that in the prior art, when the air conditioner is in a T3 working condition, the self-cleaning effect is greatly reduced. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to a first aspect of embodiments of the present invention, there is provided an air conditioner comprising an evaporator system comprising evaporator fins, a spray device and a recovery device;

the spraying device comprises a spraying pipe, the spraying pipe is embedded on the evaporator fin and sprays water along the surface of the evaporator fin;

the recovery device is arranged below the evaporator fin;

the recovery unit includes the inlet tube, the inlet tube with the shower intercommunication, recovery unit passes through the water recycling that the inlet tube was collected the water collector.

In some optional embodiments, the evaporator system further comprises a water storage device, and the water storage device is connected with the water inlet pipe and the spray pipe and is communicated with an external water source.

In some optional embodiments, a filtering device is disposed in the water storage device, and the filtering device is disposed at a front end of a water outlet of the water storage device.

In some optional embodiments, an electric control valve is arranged on a pipeline between the water storage device and the recovery device, and the electric control valve is used for controlling the disconnection and the communication of the pipeline.

In some optional embodiments, the evaporator fin is provided with a groove, and the groove is in a U shape and used for accommodating the spray pipe;

the number of the grooves is two, and the two grooves are arranged in parallel.

In some optional embodiments, the number of the shower pipes is two;

the surface of the spray pipe is provided with a spray opening; the number of the spraying openings is multiple, and the spraying openings are arranged along the length direction of the spraying pipe.

In some optional embodiments, the spraying openings are distributed in one or two rows in the length direction of the spraying pipe;

the spraying direction of the spraying port is along the transverse direction of the evaporator fin.

In some optional embodiments, the diameter of the spray opening and the inner diameter of the spray pipe are related to each other as follows:

Y＝5.9X^(-0.9)

wherein Y represents the diameter of the spray opening and X represents the inner diameter of the spray pipe.

According to a second aspect of the embodiments of the present invention, there is provided a control method of an air conditioner, the control method including:

receiving an instruction to turn on an evaporator system;

according to the instruction, the spraying pipe is enabled to spray water along the surface of the evaporator fin, water is collected through the recovery device, and water is provided for the spraying pipe through the water inlet pipe, so that the water can be recycled.

In some optional embodiments, the control method further includes:

receiving an instruction to shut down the evaporator system, and draining water out of the evaporator system.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

the embodiment of the invention provides an air conditioner, which comprises an evaporator system, a spraying device and a recovery device, wherein the evaporator system comprises evaporator fins; the spraying device comprises a spraying pipe, the spraying pipe is embedded on the evaporator fin and sprays water along the surface of the evaporator fin; the recovery unit includes the inlet tube, the inlet tube with the shower intercommunication, recovery unit passes through the water recycling that the inlet tube was collected the water collector.

According to the embodiment of the invention, the spray pipes arranged on the evaporator fins in an embedded manner are used for spraying water on the surfaces of the evaporator fins, so that the air humidity of the air around the evaporator fins can be improved, the water is prevented from leaking, the temperature of the evaporator fins can be lowered and lowered by recycling the water, the frosting area of the evaporator is ensured, and the self-cleaning effect of the evaporator system is ensured.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic block diagram of an evaporator system according to an exemplary embodiment;

FIG. 2 is a schematic view of another angle of an evaporator system according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating a spray assembly according to an exemplary embodiment;

FIG. 4 is a schematic diagram of a spray assembly according to another exemplary embodiment;

FIG. 5 is a flow chart illustrating a method of controlling an evaporator system according to an exemplary embodiment;

FIG. 6 is a flow chart illustrating a method of controlling an evaporator system according to another exemplary embodiment;

description of the drawings: 1. an evaporator fin; 11. a groove; 2. a spraying device; 21. a shower pipe; 3. a recovery device; 31. a water inlet pipe; 32. a drain pipe; 4. a water storage device; 5. the pump is driven.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or structure from another entity or structure without requiring or implying any actual such relationship or order between such entities or structures. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

According to a first aspect of embodiments of the present invention, an air conditioner is provided, the air conditioner includes an evaporator system, fig. 1 is a schematic structural diagram of an evaporator system according to an exemplary embodiment, and as shown in fig. 1, the evaporator system includes an evaporator fin 1, a spraying device 2 and a recovery device 3;

the spraying device comprises a spraying pipe 21, wherein the spraying pipe 21 is embedded in the evaporator fin 1 and sprays water along the surface of the evaporator fin 1;

the recovery device 3 is arranged below the evaporator fin 1;

recovery unit 3 includes inlet tube 31, inlet tube 31 with shower 21 intercommunication, recovery unit 3 passes through the water cycle that the inlet tube 31 was collected the water collector is used.

In the embodiment of the invention, the spray pipes 21 embedded on the evaporator fins 1 spray water on the surfaces of the evaporator fins 1, so that the air humidity of the air around the evaporator fins 1 can be improved, the leakage of the sprayed water can be prevented, the temperature of the evaporator fins 1 can be lowered and lowered by recycling the water, the frosting area of the evaporator is ensured, and the self-cleaning effect of the evaporator system is ensured.

In some optional embodiments, the evaporator system further comprises a water storage device 4, and the water storage device 4 is connected with the water inlet pipe 31 and the spraying pipe 21 and is communicated with an external water source.

In some optional embodiments, the water source in the water storage device 4 may be from circulating water collected by the water receiving tray, and when the circulating water is insufficient, the water required for spraying may be supplied by an external water source.

By providing the water storage device 4, it is avoided that the evaporator system still has enough water to maintain the normal water spraying of the spray pipe 21 when the circulating water is insufficient.

In some optional embodiments, a filtering device is disposed in the water storage device 4, and the filtering device is disposed on the cross section of the water storage device 4 and located at the front end of the water outlet of the water storage device 4.

By arranging the filtering device in the water storage device 4, dust and impurities can be effectively prevented from entering the spraying pipe 21 from a pipeline to affect the spraying of the spraying pipe 21.

In some optional embodiments, the filter device comprises a filter screen, and the filter screen is a single-layer structure and has a mesh number of 60-100 meshes.

In some optional embodiments, the filter screen is a multilayer structure, wherein the mesh number of the green screens in different layers is different, and the mesh number of the filter screen gradually increases along the water flow direction, so that the circulating water can be filtered layer by layer, large impurities and dust cannot enter the spray pipe 21, and the water purity of the spray pipe 21 is ensured.

Fig. 2 is a schematic structural view of an evaporator system according to another angle shown in an exemplary embodiment, and as shown in fig. 2, the evaporator fin 1 is provided with a groove 11, and the groove 11 is U-shaped and is used for accommodating the shower pipe 21;

the number of the grooves 11 is two, and the two grooves 11 are arranged in parallel.

In some alternative embodiments, the grooves 11 are located in the length direction of the evaporator fin 1 and penetrate through the evaporator fin 1.

In some alternative embodiments, the grooves 11 may be machined during the machining of the evaporator fin 1, and the spray pipes 21 are embedded in the grooves 11 in a U-shaped structure, so as to prevent water from being sprayed to the outside of the air conditioner and causing water leakage.

In some optional embodiments, the number of the spraying pipes 21 is two, and the two spraying pipes are respectively placed in the groove 11;

in some optional embodiments, the surface of the spray pipe 21 is provided with a spray opening;

the spraying ports are arranged along the length direction of the spraying pipe 21, the number of the spraying ports is one row or two rows, and the spraying direction of the spraying ports is along the transverse direction of the evaporator fin 1.

Fig. 3 is a schematic structural diagram of a spraying device according to an exemplary embodiment, as shown in fig. 3, the spraying ports are disposed on two sides of the spraying pipe 21, the spraying ports are two rows, water can be sprayed in two directions, the area of the surface of the evaporator fin 1 sprayed with water can be large by spraying water on two sides, and the cooling effect is obvious.

Fig. 4 is a schematic structural view showing a shower apparatus according to another exemplary embodiment, and as shown in fig. 4, when the shower openings are provided on a single side of the shower pipes 21, the shower openings of the two shower pipes 21 are arranged oppositely, and the water spraying direction thereof is along the lateral direction of the surface of the evaporator fin 1.

Specifically, a structure of spraying water from both sides or spraying water from one side is adopted, and the structure is selected according to the shape of the evaporator fin 1.

The design of the spray opening can enable water to be sprayed to the high position of the surface of the evaporator fin 1, and the water sprayed to the high position can flow to the lower position along the surface of the evaporator fin 1, so that the surface of the evaporator fin 1 is enabled to have water to flow through, and finally falls into the water receiving tray.

In some alternative embodiments, one end of the water inlet pipe 31 is connected to the water pan, and water in the water pan is sucked into the water storage device 4 through the water inlet pipe 31 under the action of the driving pump 5.

In some optional embodiments, the diameter of the spray opening and the inner diameter of the spray pipe 21 are related to:

Y＝5.9X^(-0.9)

wherein Y represents the diameter of the shower opening and X represents the inner diameter of the shower pipe 21.

By matching the diameter of the spray opening with the inner diameter of the spray pipe 21, the coverage of the spray opening for spraying water can be maximized.

In some alternative embodiments, the spray openings spray water in a direction transverse to the surface of the evaporator fin 1.

In some alternative embodiments, the ends of the shower pipes 21 are sealed to prevent water from flowing out of the ends of the shower pipes 21.

In some optional embodiments, the evaporator system further comprises a driving pump 5, and one side of the driving pump 5 is connected with the water storage device 4, and the other side is connected with the spraying pipe 21.

The shower pipe 21 can be made to spray water by the driving pump 5, and the water inlet pipe 31 can be made to suck the collected water into the water storage device 4.

In some alternative embodiments, the spray openings are uniformly arranged along the length of the spray pipe 21, or are non-uniformly arranged.

In some alternative embodiments, when the spraying openings of the two spraying pipes 21 are oppositely arranged, an alternate crossing arrangement mode can be adopted, so that the surfaces of the evaporator fins 1 can be covered by water.

In some optional embodiments, the evaporator system further comprises a water level measuring instrument for measuring the water level of the water storage device 4, and when the water level does not satisfy a set value, the water is stored by an external water source.

In some alternative embodiments, the set point may be the height of the water, or the volume of the water, or the weight of the water.

In some alternative embodiments, the set value may be a range value or a specific value.

In some alternative embodiments, when the set point is height, the set point is 5-10 centimeters, or 8 centimeters.

In some alternative embodiments, when the set point is volume, the set point is 5-10 cubic meters, or 8 cubic meters.

In some alternative embodiments, when the set point is weight, the set point is 5-10 kilograms, or 8 kilograms.

And when the set values are volume and weight, converting the set values into height, and controlling the height through the height measured by the water level measuring instrument.

In some optional embodiments, an electric control valve is arranged on a pipeline between the water storage device 4 and the recovery device 3, and the electric control valve is used for controlling the disconnection and the communication of the pipeline.

In some alternative embodiments, the electric control valve can control the water inlet pipe 31 and the water outlet pipe 32 simultaneously, and when the electric control valve is closed, the water inlet pipe 31 is opened to continuously provide the circulating water for the shower pipe 21.

When the electrically controlled valve is switched off, the water discharge pipe 32 is opened and water flows out from the water storage device 4 through the water discharge pipe 32.

And water in the water receiving tray directly flows out from a water outlet of the water receiving tray.

According to a second aspect of the embodiments of the present invention, there is provided a control method of an evaporator system, fig. 5 is a flowchart illustrating a control method of an evaporator system according to an exemplary embodiment, as shown in fig. 5, the control method includes:

s501, receiving an instruction for opening the evaporator system;

s502, according to the instruction, the spraying pipe 21 sprays water along the surface of the evaporator fin 1, the water is collected through the water collecting tray, and the water inlet pipe 31 is used for providing a water source for the spraying pipe 21, so that the water can be recycled.

In the embodiment of the invention, the spray pipes 21 are adopted to spray water on the surfaces of the evaporator fins 1, so that the surface temperature of the evaporator fins 1 can be reduced, the air humidity is increased, the evaporator frosting is facilitated, and the self-cleaning effect of the evaporator system is improved.

Fig. 6 is a flowchart illustrating a control method of an evaporator system according to another exemplary embodiment, as shown in fig. 6, the control method including:

s601, receiving an instruction for opening the evaporator system;

s602, according to the instruction, the spraying pipe 21 sprays water along the surface of the evaporator fin 1, the water is collected through the water collecting tray, and a water source is provided for the spraying pipe 21 through the water inlet pipe, so that the water can be recycled.

And S603, when the water level of the water storage device 4 does not meet a set value, starting an external water source to irrigate the water storage device 4.

S604, receiving an instruction of closing the evaporator system, and discharging water out of the evaporator system.

In S601, the spraying pipe 21 may spray water on both sides and/or on one side along the surface of the evaporator fin 1, so that water can cover the surface of the evaporator fin 1.

In S603, the set value may be a height of water, or a volume of water, or a weight of water.

In some alternative embodiments, the set value may be a range of values or a specific value.

When the set values are volume and weight, the set values are converted into corresponding heights, and the height of the water level is measured by the water measuring instrument.

In S604, water may be drained through the drain pipe 32, preventing the water from affecting the evaporator system.

In some alternative embodiments, whether to turn on the evaporator system may be selected based on specific weather conditions, and the evaporator system may be turned on when the air conditioner is in the T3 condition, and may be turned off otherwise.

According to the embodiment of the invention, the independent condensed water filtering and circulating system is arranged, so that on one hand, water resources are fully utilized, the waste of the water resources is avoided, on the other hand, the frosting of the evaporator fin 1 is realized, and the self-cleaning of the evaporator system is realized.

The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. An air conditioner comprises an evaporator system, wherein the evaporator system comprises an evaporator fin, a spraying device and a recovery device, and is characterized in that the spraying device comprises a spraying pipe which is arranged on the evaporator fin in an embedded manner and sprays water along the surface of the evaporator fin; the evaporator system also comprises a driving pump, one side of the driving pump is connected with the water storage device, and the other side of the driving pump is connected with the spraying pipe; the evaporator fin is provided with a groove which is U-shaped and used for accommodating the spray pipe; the number of the grooves is two, and the two grooves are arranged in parallel; the grooves are positioned in the length direction of the evaporator fins and penetrate through the evaporator fins; the number of the spraying pipes is two; the surface of the spray pipe is provided with a spray opening; the number of the spraying openings is multiple, and the spraying openings are arranged along the length direction of the spraying pipe; the spraying ports are distributed in one or two rows in the length direction of the spraying pipe; the spraying direction of the spraying port is along the transverse direction of the evaporator fin; the recovery device is arranged below the evaporator fin; the recovery device comprises a water inlet pipe, and the water inlet pipe is communicated with the spray pipe; the recovery device recycles the water collected by the water receiving tray through the water inlet pipe.

2. The air conditioner as claimed in claim 1, further comprising a water storage device connected to the water inlet pipe and the shower pipe and communicated with an external water source.

3. The air conditioner as claimed in claim 2, wherein a filtering device is disposed in the water storage device, and the filtering device is disposed at a front end of a water outlet of the water storage device.

4. An air conditioner according to claim 3, wherein an electric control valve is provided on the pipeline between the water storage device and the recovery device, and the electric control valve is used for controlling the disconnection and connection of the pipeline.

5. An air conditioner according to claim 1, wherein the diameter of said shower opening is related to the inner diameter of said shower pipe by:

Y=5.9X^(-0.9)

6. A control method of an air conditioner according to any one of claims 1 to 5, the control method comprising:

receiving an instruction to turn on an evaporator system;

according to the instruction, the spraying pipe is enabled to spray water along the surface of the evaporator fin, water is collected through the water collecting disc, and water is provided for the spraying pipe through the water inlet pipe, so that the water can be recycled.

7. The control method of an air conditioner according to claim 6, further comprising: