CN113551332A

CN113551332A - Kitchen air conditioner and control method thereof

Info

Publication number: CN113551332A
Application number: CN202110747242.7A
Authority: CN
Inventors: 于琦; 王锐锋; 车雯; 王喜成; 冉明士; 李丽芳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-10-26

Abstract

The invention provides a kitchen air conditioner and a control method thereof. Kitchen air conditioner, including: the cold air generating system comprises an air inlet, an air outlet, an air duct communicated with the air inlet and the air outlet, an evaporator and a fan, wherein the evaporator and the fan are arranged in the air duct; the hot water supply system comprises a water tank and a condenser, the condenser is connected with the evaporator, and water in the water tank is used for cooling the condenser and obtaining heat; the self-cleaning system comprises an atomization bin, a suction pump and a cleaning portion, wherein the atomization bin is used for collecting condensed water generated by the evaporator and atomizing the condensed water into steam, and the cleaning portion is communicated with the atomization bin through the suction pump and is used for cleaning the evaporator through the steam. The invention realizes the self-cleaning function of the kitchen air conditioner, avoids the influence of the kitchen oil pollution environment and improves the refrigeration efficiency.

Description

Kitchen air conditioner and control method thereof

Technical Field

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

Background

The kitchen is a place which people often need to enter in daily life, a plurality of heat sources are arranged in the kitchen, the humidity is high, the hot and humid environment in the kitchen is worse in hot summer, and great discomfort is brought to cookers, so that the refrigerating requirement in the kitchen in summer is great. However, in a special working environment of a kitchen, oil smoke in the kitchen is heavy, the temperature is high, the space is narrow, and a traditional air conditioner installed in the kitchen does not have enough space for pipe running and arrangement of a connecting pipe and a drain pipe, so that the drainage of condensed water is difficult. Meanwhile, the evaporator of the air conditioner is easily polluted by oil stains and is not easy to clean in the using process.

Some air conditioning systems used for kitchens appear in the current market, but most of the air conditioning systems only consider the influence of air outlet on the kitchen range, do not consider the discharge of condensed water in the refrigeration process and the cleaning problem of an evaporator, and have poor user experience.

Disclosure of Invention

In view of the above, the present invention provides a kitchen air conditioner and a control method thereof, which are at least used for solving the technical problem of inconvenient cleaning in the prior art, and specifically:

in a first aspect, the present invention provides a galley air conditioner comprising:

the cold air generating system comprises an air inlet, an air outlet, an air duct communicated with the air inlet and the air outlet, an evaporator and a fan, wherein the evaporator and the fan are arranged in the air duct;

the hot water supply system comprises a water tank and a condenser, the condenser is connected with the evaporator, and water in the water tank is used for cooling the condenser and obtaining heat;

the self-cleaning system comprises an atomization bin, a suction pump and a cleaning portion, wherein the atomization bin is used for collecting condensed water generated by the evaporator and atomizing the condensed water into steam, and the cleaning portion is communicated with the atomization bin through the suction pump and is used for cleaning the evaporator through the steam.

Further optionally, an atomization device is arranged in the atomization bin and used for atomizing water in the atomization bin into steam.

Further optionally, the cleaning part comprises a steam nozzle, the steam nozzle adopts a venturi structure for spraying steam onto the evaporator.

Further optionally, a water collecting structure is arranged at the bottom of the evaporator and used for collecting condensed water, the water collecting structure comprises a first water discharging flow path,

the first drainage flow path is communicated with the atomization bin and can drain condensed water into the atomization bin.

Further optionally, the atomization bin is provided with a water injection port for injecting water into the atomization bin.

Further optionally, the water collecting structure further comprises a second drainage flow path,

the kitchen air conditioner also comprises a waste water bin, the second drainage flow path is communicated with the waste water bin,

and the first drainage flow path and the second drainage flow path are provided with control valves for controlling water in the water collecting structure to flow into the atomization bin or the waste water bin.

Further optionally, the cold air generating system and the hot water supplying system are arranged up and down, the cold air generating system is arranged up, and the hot water supplying system is arranged down; the waste water bin is arranged between the cold air generating system and the hot water supply system, and the atomization bin is arranged between the waste water bin and the hot water supply system.

Further optionally, the condenser is a micro-channel heat exchanger attached to the outer wall of the water tank.

Further optionally, the kitchen air conditioner further comprises a housing, a receiving cavity is formed inside the housing, and the cold air generating system and the hot water supplying system are disposed in the receiving cavity.

In a second aspect, the present invention provides a control method of the above kitchen air conditioner, including:

and judging whether the evaporator needs to be cleaned or not, controlling the cold air generating system to stop running when the evaporator needs to be cleaned, and controlling the self-cleaning system to start to clean the evaporator.

Further optionally, a wind speed detection device is disposed on the evaporator for detecting a wind speed flowing through the evaporator,

when the wind speed is higher than the preset wind speed V1, the evaporator does not need to be cleaned;

when the wind speed is less than or equal to the preset wind speed V1, the evaporator needs to be cleaned, and the self-cleaning system is controlled to be started.

Further optionally, the galley air conditioner is the galley air conditioner of claim 6 or 7,

when the cold air generating system operates, the first drainage flow path is controlled to be opened, the second drainage flow path is controlled to be closed, and the condensed water on the evaporator flows into the atomization bin;

when the self-cleaning system operates, the first drainage flow path is controlled to be closed, the second drainage flow path is controlled to be opened, and sewage for cleaning the evaporator flows into the wastewater bin.

Further optionally, water level detection devices are arranged in the atomization bin and the waste water bin,

detecting the digits in the atomization bin and the waste water bin in real time in the process of cleaning the evaporator,

when the water level in the atomization bin is higher than the lowest cleaning water level and the water level in the wastewater bin is lower than the highest sewage level, the self-cleaning system can be controlled to start;

and when the water level in the atomization bin reaches the lowest cleaning water level and the water level in the wastewater bin reaches the highest sewage level, controlling the self-cleaning system to stop running and sending prompt information.

The self-cleaning system is arranged, so that the evaporator can be self-cleaned, and the refrigeration performance is prevented from being influenced by excessive dirt adhered to the evaporator. Meanwhile, the self-cleaning system can heat cleaning water to form high-temperature steam, and the evaporator is cleaned through the high-temperature steam, so that the oil stain removing effect is improved. .

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.

FIG. 1 shows a schematic cross-sectional view of a kitchen air conditioner according to an embodiment of the present invention;

FIG. 2 shows an enlarged view at A in FIG. 1;

fig. 3 is a schematic view showing a configuration of a hot water supply system according to an embodiment of the present invention;

fig. 4 shows a specific control flow diagram of the self-cleaning system according to the embodiment of the present invention.

In the figure:

10. a housing; 11. an air inlet; 12. an air outlet; 21. an evaporator; 22. a fan; 30. a hot water supply system; 31. a water tank; 32. a condenser; 41. an atomization bin; 42. a steam nozzle; 43. a suction pump; 51. a first drainage flow path; 52. a second drainage flow path; 53. a filter structure; 60. a waste water bin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

The self-cleaning system is arranged, so that the evaporator can be self-cleaned, and the refrigeration performance is prevented from being influenced by excessive dirt adhered to the evaporator. Meanwhile, the self-cleaning system can heat cleaning water to form high-temperature steam, and the evaporator is cleaned through the high-temperature steam, so that the oil stain removing effect is improved. The self-cleaning system can collect and utilize the condensed water generated by the evaporator, and the problem of inconvenient treatment of the condensed water is solved. The invention is described in detail below with reference to specific examples:

as shown in fig. 1 and 2, the present invention provides a kitchen air conditioner including:

the air conditioner comprises a shell 10, a containing cavity is formed inside the shell 10, an air inlet 11 and an air outlet 12 are formed on the shell 10, wherein the air inlet 11 is positioned at the top of the shell 10, and the air outlet 12 is positioned at the front side of the shell 10;

the cold air generating system is arranged in the accommodating cavity and comprises an air duct communicated with the air inlet 11 and the air outlet 12, and an evaporator 21 and a fan 22 which are arranged in the air duct, wherein the fan 22 is preferably a cross-flow fan 22, and the evaporator 21 is arranged on the upper side of the fan 22;

the hot water supply system 30 is arranged in the accommodating cavity and comprises a water tank 31 and a condenser 32, the condenser 32 is connected with the evaporator 21, water in the water tank 31 can exchange heat with the condenser 32 to heat the water, and the heated hot water can be used in a kitchen, such as hand washing, vegetable washing and the like;

the self-cleaning system is arranged in the accommodating cavity and comprises an atomizing bin 41, a suction pump 43 and a cleaning part, the cleaning part is connected with the atomizing bin 41 through the suction pump 43, and the cleaning part is used for cleaning the evaporator 21.

In this embodiment, the cool air generating system is disposed at an upper portion of the accommodating chamber, the hot water supplying system 30 is disposed at a lower portion of the accommodating chamber, the self-cleaning system is disposed between the cool air generating system and the hot water supplying system 30, and the compressor is disposed at a lower portion of the accommodating chamber and connected to the evaporator 21 and the condenser 32.

Preferably, air intake 11 and air outlet 12 department all are provided with the filter screen, can prevent that the greasy dirt from getting into in a large number and hold intracavity portion, and the filter screen detachably sets up the user of being convenient for and washs in air intake 11 and air outlet 12 department. Meanwhile, the grids of the air inlet and the air outlet 12 can be kept closed when the air conditioner is not in use, so that the air inlet 11 and the air outlet 12 are closed, and dirt such as oil stain and dust is prevented from entering the air conditioner.

In this embodiment, an atomizing device is disposed in the atomizing chamber 41 for atomizing water in the atomizing chamber into steam, and preferably, the atomizing device includes a heating device for heating the water in the atomizing chamber 41 and vaporizing the water to form high-temperature steam. The cleaning part includes a steam nozzle 42, the steam nozzle 42 is located at the back of the accommodating chamber, preferably, the steam nozzle 42 adopts a venturi structure for spraying high-temperature steam onto the evaporator 21, and further, the steam spray is provided in plurality to maximally cover the evaporator 21. The high temperature steam in the atomization bin 41 is compressed by the suction pump 43 and then sprayed to the evaporator 21 through the steam nozzle 42 at a high flow rate, so that the cleaning effect on dirt such as oil stain can be improved.

The bottom of the evaporator 21 is provided with a water collecting structure for collecting condensed water left on the evaporator 21, the water collecting structure comprises a first water discharging flow path 51, the first water discharging flow path 51 is communicated with the atomization bin 41, the condensed water can be discharged into the atomization bin 41, and the condensed water is used for cleaning the evaporator 21. Preferably, the first drainage channel 51 is provided with a filtering structure 53, such as a filtering net, for filtering the condensed water flowing into the atomization chamber 41, and further, the filtering structure 53 is detachably disposed, for example, can be drawn out from the side or the front of the housing 10, so as to facilitate the user to clean or replace the filtering structure 53. Further, the atomization bin 41 is provided with a water injection port for injecting water into the atomization bin 41, and when the amount of water in the atomization bin 41 is insufficient, cleaning water can be injected through the water injection port. Preferably, the atomization chamber 41 is detachably disposed on the housing 10, so that the user can clean the atomization chamber 41 to ensure its cleanness.

The water collecting structure further comprises a second drainage flow path 52, the kitchen air conditioner further comprises a waste water bin 60, the second drainage flow path 52 is communicated with the waste water bin 60, and waste water generated by the cleaning evaporator 21 flows into the water collecting structure and flows into the waste water bin 60 through the second drainage flow path 52. Preferably, waste bin 60 is removably mounted to housing 10, and waste bin 60 is provided with a handle for easy removal for cleaning by a user.

Control valves are arranged on the first drainage flow path 51 and the second drainage flow path 52, for example, a first stop valve is arranged on the first drainage flow path 51, a second stop valve is arranged on the second drainage flow path 52 and is used for controlling water in the water collecting structure to flow into the atomization bin 41 or the waste water bin 60, specifically, when the evaporator 21 works, the first drainage flow path 51 is opened, the second drainage flow path 52 is closed, and the water collecting structure collects condensed water and discharges the condensed water into the atomization bin 41; when the evaporator 21 is cleaned, the first drain flow path 51 is closed, the second drain flow path 52 is opened, and the sewage from the cleaning evaporator 21 flows into the sewage sump 60.

Preferably, water level detection devices are disposed in the atomization bin 41 and the waste water bin 60, and are used for detecting water levels in the atomization bin 41 and the waste water bin 60.

After the condensed water generated in the refrigeration process of the kitchen air conditioner slides from the evaporator 21, the condensed water flows into the water collecting structure, at the moment, the first stop valve is opened, the second stop valve is closed, and the condensed water flows into the atomization bin 41 through the first drainage flow path 51 to be collected. After a user executes a cleaning command of the evaporator 21 through a remote controller or a touch panel, the heating device in the atomization bin 41 is started to heat condensed water in the atomization bin, so that the condensed water is vaporized into high-temperature steam, and the high-temperature steam is compressed by the suction pump 43 and then is sprayed out from the steam nozzle 42 to dissolve oil stains on the surface of the evaporator 21. During the cleaning of the evaporator 21, the second stop valve is opened, the first stop valve is closed, the sewage generated after the cleaning of the evaporator 21 flows into the waste water bin 60, and the handle is arranged outside the waste water bin 60 and can be drawn out by a user for cleaning.

As shown in fig. 3, the condenser 32 is a micro-channel heat exchanger attached to the outer wall of the water tank 31 to increase the contact area between the condenser and the water tank 31, the water in the water tank 31 is heated by the heat released by the micro-channel heat exchanger during cooling to provide the daily hot water required by the kitchen, and a support is provided at the bottom of the water tank 31 to support the water tank. Or, in other embodiments, the condenser 32 may also be disposed in the water tank 31, and may directly contact with water to perform heat exchange, so as to further improve the heat exchange efficiency.

The invention provides a control method of the kitchen air conditioner, which comprises the following steps:

judging whether the evaporator 21 needs to be cleaned, when the evaporator needs to be cleaned, stopping the operation of the cooling air generation system, and controlling the self-cleaning system to start to clean the evaporator 21.

The evaporator 21 is provided with a wind speed detecting means for detecting the speed of wind flowing through the evaporator 21,

when the wind speed is higher than the preset wind speed V1, the evaporator 21 does not need to be cleaned;

when the wind speed is less than or equal to the preset wind speed V1, the evaporator 21 needs to be cleaned, and the self-cleaning system is controlled to be started.

When the cold air generating system operates, the first drainage flow path 51 is controlled to be opened, the second drainage flow path 52 is controlled to be closed, and the condensed water on the evaporator 21 flows into the atomization bin 41;

when the self-cleaning system is operated, the first drain flow path 51 is controlled to be closed, the second drain flow path 52 is controlled to be opened, and the sewage from the cleaning evaporator 21 flows into the sewage reservoir 60.

Preferably, water level detection devices are arranged in the atomization bin 41 and the waste water bin 60,

during the cleaning process of the evaporator 21, the digits in the atomization bin 41 and the waste water bin 60 are detected in real time,

when the water level in the atomization bin 41 is higher than the lowest cleaning water level and the water level in the waste water bin 60 is lower than the highest sewage level, the self-cleaning system can be controlled to start;

when the water level in the atomization bin 41 reaches the lowest cleaning water level and the water level in the waste water bin 60 reaches the highest sewage level, the self-cleaning system is controlled to stop running and prompt information is sent.

As shown in fig. 4, the specific control flow of the self-cleaning system is as follows:

s01: a wind speed detector is arranged on the leeward side of the evaporator 21, the wind speed flowing through the evaporator 21 under different windshields is monitored in real time, if the wind speed is less than V1 (the value range of V1 is 2m/S for high wind shield, 1m/S for medium wind shield and low wind shield), the evaporator 21 is judged to be seriously dirty and blocked, and cleaning is needed, and then the step S21 is executed; if the wind speed is greater than or equal to V1, determining that the surface of the evaporator 21 is clean and does not need to be cleaned, and executing S22;

s21: when the system judges that the evaporator 21 is seriously clogged, a user is reminded to start the self-cleaning function of the evaporator 21 in time in a mode of indicating a lamp of a display panel or warning sound prompt and the like, if the user starts the self-cleaning function of the evaporator 21, the step S31 is executed, and if the user does not start the self-cleaning function of the evaporator 21 in time, the step S32 is executed;

s22: when the system judges that the surface of the evaporator 21 is cleaner, the air conditioner keeps normal operation;

s31: after a user starts the self-cleaning function of the evaporator 21, if the air conditioner is in a refrigerating state, the air conditioner exits from the refrigerating mode, meanwhile, the second stop valve is opened, the first stop valve is closed, the water level in the atomizing bin 41 is detected through the water level detection device above the atomizing bin 41, if the water amount in the atomizing bin 41 is sufficient, the step S41 is executed, the evaporator 21 directly enters into the self-cleaning mode, and if the water amount in the atomizing bin 41 is insufficient, the step S42 is executed;

s42: when the water quantity in the atomization bin 41 is detected to be insufficient, the evaporator 21 self-cleaning mode cannot be entered temporarily, a user is reminded to replenish water into the condensed water tank in time through display panel indicator lamps or alarm sound prompts and the like, if the user replenishes water in time, the step S51 is executed, after the water replenishing is completed, the user starts the evaporator 21 self-cleaning function again, the step S51 is executed at the moment, the water quantity in the atomization bin 41 is detected again, and if the water quantity is sufficient, the step S41 is executed; if the water quantity is insufficient, the step S42 is executed again until the water quantity is sufficient; if the user does not replenish water, the step S52 is executed, the system cannot enter the self-cleaning mode of the evaporator 21, and if the user does not operate for a long time, the air conditioner is automatically shut down;

s06: during the self-cleaning process of the evaporator 21, the residual volume in the waste water bin 60 is detected in real time, if the residual volume in the waste water bin 60 is sufficient, the step S71 is executed, the self-cleaning of the evaporator 21 is continued, and the step S08 is executed after the cleaning is finished; if the residual amount in the wastewater bin 60 is not enough, executing step S72;

s72: if the residual volume in the wastewater bin 60 is detected to be insufficient in the self-cleaning process of the evaporator 21, a user is reminded to clean the wastewater in time through display panel indicating lamps or alarm sound prompts and other modes; if the user cleans the waste water bin 60 in time, when the waste water bin 60 is drawn out of the machine body, the system temporarily exits from the evaporator 21 self-cleaning mode, and the user can continue cleaning after inserting the waste water bin 60 back; if the user does not clean the waste water bin in time, when the water amount in the waste water bin 60 reaches the upper limit, the evaporator 21 automatically exits from the self-cleaning mode, and the inner fan 22 rotates at a gentle breeze shift to dry the evaporator 21. Before the user finishes cleaning the wastewater bin 60, the system cannot enter the self-cleaning mode of the evaporator 21;

s08: after the evaporator 21 is self-cleaned, the inner fan 22 rotates for t1 minutes at a gentle wind level to dry the surface of the evaporator 21, and after drying, the air conditioner automatically turns to a pre-cleaning operation mode.

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

1. A galley air conditioner, comprising:

2. The kitchen air conditioner as claimed in claim 1, wherein an atomization device is provided in the atomization bin for atomizing water in the atomization bin into steam.

3. The kitchen air conditioner of claim 2, wherein the cleaning portion includes a steam nozzle employing a venturi structure for spraying steam onto the evaporator.

4. A kitchen air conditioner according to claim 2, characterized in that a water collecting structure is provided at the bottom of the evaporator for collecting condensed water, the water collecting structure comprising a first drainage flow path,

5. The kitchen air conditioner as claimed in claim 4, wherein the atomizing chamber is provided with a water injection port for injecting water into the atomizing chamber.

6. The galley air conditioner according to claim 4, wherein the water collection structure further includes a second drain flow path,

7. The kitchen air conditioner of claim 6, wherein the cool air generating system and the hot water supplying system are disposed up and down, the cool air generating system is up and the hot water supplying system is down; the waste water bin is arranged between the cold air generating system and the hot water supply system, and the atomization bin is arranged between the waste water bin and the hot water supply system.

8. The kitchen air conditioner as claimed in claim 1, wherein the condenser is a micro-channel heat exchanger attached to an outer wall of the water tank.

9. The kitchen air conditioner according to any one of claims 1 to 8, further comprising a housing formed with a receiving chamber therein, wherein the cool air generating system and the hot water supplying system are disposed in the receiving chamber.

10. A control method of a kitchen air conditioner according to any one of claims 1 to 9, comprising:

11. The control method according to claim 10, wherein a wind speed detecting device for detecting a wind speed flowing through the evaporator is provided on the evaporator,

12. The control method according to claim 11, wherein the kitchen air conditioner is the kitchen air conditioner according to claim 6 or 7,

13. The control method according to claim 12, wherein water level detection devices are provided in the atomization bin and the waste water bin,