阅读说明：本技术 一种空调柜机及其自清扫控制方法 (Cabinet air conditioner and self-cleaning control method thereof ) 是由 刘光朋 张鹏 于 2021-07-02 设计创作，主要内容包括：本发明提供一种空调柜机及其自清扫控制方法,所述空调柜机包括机壳；机壳内设有蒸发器,机壳的壳壁上设有第一风口与第二风口；多个风机一一对应地设于多个风道内；多个风道的第一端口朝向蒸发器的第一侧面,多个风道的第二端口分别与第二风口连通；蒸发器的第二侧面朝向第一风口；出风调控装置设于第二风口,出风调控装置具有关闭第二风口的第一状态与打开所述第二风口的第二状态。本发明基于对空调柜机内部结构的改进,既确保了对室内环境正常的温度调节功能,又可通过反向吹扫的方式对蒸发器上的附着物进行自动清理,其操作简单便捷,确保了空调器正常的工作性能。(The invention provides a cabinet air conditioner and a self-cleaning control method thereof, wherein the cabinet air conditioner comprises a shell; an evaporator is arranged in the shell, and a first air port and a second air port are arranged on the wall of the shell; the fans are arranged in the air channels in a one-to-one correspondence manner; the first ports of the air channels face to the first side face of the evaporator, and the second ports of the air channels are respectively communicated with the second air ports; the second side surface of the evaporator faces the first air port; the air outlet regulation and control device is arranged at the second air port and has a first state of closing the second air port and a second state of opening the second air port. Based on the improvement of the internal structure of the cabinet air conditioner, the normal temperature regulation function of the indoor environment is ensured, and attachments on the evaporator can be automatically cleaned in a reverse blowing mode, so that the cabinet air conditioner is simple and convenient to operate, and the normal working performance of the air conditioner is ensured.)

1. A cabinet air conditioner comprises a casing; an evaporator is arranged in the shell, and a first air port and a second air port are arranged on the wall of the shell; it is characterized by also comprising:

the air conditioner comprises a plurality of fans and a plurality of air channels, wherein the fans are arranged in the air channels in a one-to-one correspondence manner; the first ports of the air channels face to the first side face of the evaporator, and the second ports of the air channels are respectively communicated with the second air ports; the second side of the evaporator faces the first tuyere;

the air outlet regulation and control device is arranged at the second air port and has a first state of closing the second air port and a second state of opening the second air port.

2. A cabinet air conditioner according to claim 1,

a first air chamber and a second air chamber are arranged in the machine shell;

the evaporator is arranged in the first air chamber; the first air port is communicated with the first air chamber; the first ports of the air ducts are respectively communicated with the first air chamber;

the second air opening is communicated with the second air chamber; and second ports of the air ducts are respectively communicated with the second air chamber.

3. A cabinet air conditioner according to claim 2,

the first air chamber comprises a plurality of air chamber units; the evaporator comprises a plurality of evaporation units; the first tuyere includes a plurality of tuyere units;

wherein the plurality of plenum units are isolated from each other; the first ports of the air channels are respectively communicated with the air chamber units in a one-to-one correspondence manner; the plurality of evaporation units are arranged in the plurality of air chamber units in a one-to-one correspondence manner; the air chamber units are communicated with the air port units in a one-to-one correspondence mode.

4. A cabinet air conditioner according to any one of claims 1 to 3,

the fan comprises a centrifugal fan; the air duct is in a volute shape.

5. A cabinet air conditioner according to any one of claims 1 to 3,

the air outlet regulation and control device comprises a wind shield and a linear driving mechanism;

the driving end of the linear driving mechanism is connected with the wind shield so as to drive the wind shield to move along the height direction of the cabinet air conditioner; in the first state, the wind shield shields the second air port; in the second state, the wind deflector is separated from the second air opening.

6. A cabinet air conditioner according to any one of claims 1 to 3,

the first air port is provided with an air inlet grille;

and/or the first air opening and the second air opening are respectively arranged on the shell wall at the opposite sides of the shell, and the second air opening is positioned close to the top of the shell.

7. A cabinet air conditioner according to any one of claims 1 to 3,

further comprising: an atomizing device;

the atomization device is arranged in the shell; and a moisture outlet is formed in the shell wall of the shell and is communicated with the atomizing device.

8. A cabinet air conditioner according to claim 7,

the atomizing device includes: a water tank, a water pump and an atomization humidifier;

the water tank is arranged on the lower side of the evaporator to receive condensed water generated on the surface of the evaporator; the water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with the atomization humidifier; the atomizing humidifier is in communication with the moisture outlet.

9. A self-cleaning control method for a cabinet air conditioner according to any one of claims 1 to 8, comprising:

detecting the running state of the cabinet air conditioner;

under the condition that the operation state meets the preset condition, controlling the air outlet regulation and control device to be in a first state, controlling one part of the fans to start and operate in a first rotary direction, and controlling the other part of the fans to start and operate in a second rotary direction or be in a shutdown state so as to purge the evaporator;

the preset conditions comprise any one of a starting instruction signal received by the cabinet air conditioner, a shutdown instruction signal received by the cabinet air conditioner and the running time of the cabinet air conditioner being longer than a first preset time; the fan is used for driving the air flow to flow from the first air port to the evaporator under the condition that the running direction of the fan is in the first rotating direction; and under the condition that the running direction of the fan is in the second rotating direction, the fan is used for driving the air flow to flow from the evaporator to the first air port.

10. The self-cleaning control method according to claim 9,

further comprising: under the condition that the cabinet air conditioner receives a starting command signal, if the purging time of the evaporator reaches a second preset duration, controlling the plurality of fans to simultaneously rotate in a first rotation direction, and controlling the air outlet regulation and control device to be in a first state;

and under the condition that the cabinet air conditioner receives a shutdown instruction signal, if the purging time of the evaporator reaches a second preset duration, controlling the fans to stop running, and controlling the air outlet regulation and control device to be switched from the first state to the second state.

Technical Field

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

Background

An air conditioner is an air conditioning appliance for providing treated air to an enclosed room, space or area.

When the existing cabinet air conditioner runs for a long time, a large amount of attachments such as dust, lint and the like can be inevitably deposited on the evaporator, and if the attachments are not cleaned in time, the refrigerating and heating effects of the air conditioner can be influenced, even the cleanness of air outlet of the air conditioner is influenced, and the health of household personnel is damaged. However, since the adhesion is generally formed on the evaporator gradually along the flow direction of the air flow in the air conditioner, the adhesion is difficult to clean. In the actual cleaning work, the evaporator must be detached from the cabinet air conditioner, which not only is complicated to operate, but also easily affects the performance of the air conditioner.

Disclosure of Invention

The invention provides a cabinet air conditioner and a self-cleaning control method thereof, which are used for solving the problem that attachments on an evaporator of the conventional cabinet air conditioner are difficult to clean conveniently.

The invention provides a cabinet air conditioner, which comprises a shell; an evaporator is arranged in the shell, and a first air port and a second air port are arranged on the wall of the shell; further comprising: the air conditioner comprises a plurality of fans, a plurality of air channels and an air outlet regulation and control device; the fans are arranged in the air channels in a one-to-one correspondence manner; the first ports of the air channels face to the first side face of the evaporator, and the second ports of the air channels are respectively communicated with the second air ports; the second side of the evaporator faces the first tuyere; the air outlet regulation and control device is arranged at the second air port and has a first state of closing the second air port and a second state of opening the second air port.

According to the cabinet air conditioner provided by the invention, a first air chamber and a second air chamber are arranged in the machine shell; the evaporator is arranged in the first air chamber; the first air port is communicated with the first air chamber; the first ports of the air ducts are respectively communicated with the first air chamber; the second air opening is communicated with the second air chamber; and second ports of the air ducts are respectively communicated with the second air chamber.

According to the cabinet air conditioner provided by the invention, the first air chamber comprises a plurality of air chamber units; the evaporator comprises a plurality of evaporation units; the first tuyere includes a plurality of tuyere units; wherein the plurality of plenum units are isolated from each other; the first ports of the air channels are respectively communicated with the air chamber units in a one-to-one correspondence manner; the plurality of evaporation units are arranged in the plurality of air chamber units in a one-to-one correspondence manner; the air chamber units are communicated with the air port units in a one-to-one correspondence mode.

According to the cabinet air conditioner provided by the invention, the fan comprises a centrifugal fan; the air duct is in a volute shape.

According to the cabinet air conditioner provided by the invention, the air outlet regulation and control device comprises a wind shield and a linear driving mechanism; the driving end of the linear driving mechanism is connected with the wind shield so as to drive the wind shield to move along the height direction of the cabinet air conditioner; in the first state, the wind shield shields the second air port; in the second state, the wind deflector is separated from the second air opening.

According to the cabinet air conditioner provided by the invention, the first air opening is provided with an air inlet grille; and/or the first air opening and the second air opening are respectively arranged on the shell wall at the opposite sides of the shell, and the second air opening is positioned close to the top of the shell.

According to the cabinet air conditioner provided by the invention, the cabinet air conditioner further comprises: an atomizing device; the atomization device is arranged in the shell; and a moisture outlet is formed in the shell wall of the shell and is communicated with the atomizing device.

According to the cabinet air conditioner provided by the invention, the atomization device comprises: a water tank, a water pump and an atomization humidifier; the water tank is arranged on the lower side of the evaporator to receive condensed water generated on the surface of the evaporator; the water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with the atomization humidifier; the atomizing humidifier is in communication with the moisture outlet.

The invention also provides a self-cleaning control method of the cabinet air conditioner, which comprises the following steps: detecting the running state of the cabinet air conditioner; under the condition that the operation state meets the preset condition, controlling the air outlet regulation and control device to be in a first state, controlling one part of the fans to start and operate in a first rotary direction, and controlling the other part of the fans to start and operate in a second rotary direction or be in a shutdown state so as to purge the evaporator; the preset conditions comprise any one of a starting instruction signal received by the cabinet air conditioner, a shutdown instruction signal received by the cabinet air conditioner and the running time of the cabinet air conditioner being longer than a first preset time; the fan is used for driving the air flow to flow from the first air port to the evaporator under the condition that the running direction of the fan is in the first rotating direction; and under the condition that the running direction of the fan is in the second rotating direction, the fan is used for driving the air flow to flow from the evaporator to the first air port.

According to the self-cleaning control method provided by the invention, the self-cleaning control method further comprises the following steps: under the condition that the cabinet air conditioner receives a starting command signal, if the purging time of the evaporator reaches a second preset duration, controlling the plurality of fans to simultaneously rotate in a first rotation direction, and controlling the air outlet regulation and control device to be in a first state; or, under the condition that the cabinet air conditioner receives the shutdown instruction signal, if the purging time of the evaporator reaches a second preset duration, controlling the plurality of fans to stop running, and controlling the air outlet regulation and control device to be switched from the first state to the second state.

Based on the optimized design of the internal structure of the cabinet air conditioner, the air outlet regulation and control device can be controlled to be in a second state to open the second air port and control the fans to rotate in the first rotation direction when the cabinet air conditioner operates normally, so that indoor air can sequentially pass through the first air port and the evaporator and then be exhausted to the indoor from the second air port along each air channel, and the refrigeration or heating of the indoor environment is realized; meanwhile, when the air conditioner cabinet is cleaned and controlled, the air outlet regulation and control device is controlled to be in the first state so as to close the second air port, one part of the plurality of fans can be controlled to start and operate in the first rotating direction, and the other part of the plurality of fans can start and operate in the second rotating direction or be in a shutdown state so as to realize automatic purging of the evaporator.

Therefore, the invention not only ensures the normal temperature regulation function of the indoor environment, but also can automatically clean attachments on the evaporator in a reverse blowing mode based on the improvement of the internal structure of the cabinet air conditioner, has simple and convenient operation and ensures the normal working performance of the air conditioner.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic view of a cabinet air conditioner according to the present invention;

fig. 2 is a second schematic structural diagram of the cabinet air conditioner provided by the present invention;

FIG. 3 is a third schematic view of the cabinet air conditioner according to the present invention;

FIG. 4 is a fourth schematic view of the cabinet air conditioner according to the present invention;

FIG. 5 is a schematic flow chart of a self-cleaning control method for a cabinet air conditioner according to the present invention;

FIG. 6 is one of schematic airflow direction diagrams for enabling self-cleaning control of the cabinet air conditioner provided by the present invention;

FIG. 7 is a second schematic view of the air flow direction for the self-cleaning control of the air conditioner cabinet provided by the present invention;

FIG. 8 is a schematic view of the air flow direction of the cabinet air conditioner provided by the present invention in a normal operation state;

reference numerals:

1: a housing; 2: an evaporator; 3: a first tuyere;

4: a second tuyere; 5: a fan; 6: an air duct;

7: a first air chamber; 8: a second air chamber; 9: a wind deflector;

10: an air inlet grille; 11: a moisture outlet; 12: a water tank;

13: a water pump; 14: an atomizing humidifier; 15: a water injection port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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.

An air conditioner cabinet and a self-cleaning control method thereof according to the present invention will be described with reference to fig. 1 to 8.

As shown in fig. 1 to 4, the present embodiment provides a cabinet air conditioner, including a cabinet 1; an evaporator 2 is arranged in the machine shell 1, and a first air port 3 and a second air port 4 are arranged on the wall of the machine shell 1. The cabinet air conditioner shown in this embodiment further includes: a plurality of fans 5, a plurality of air ducts 6 and an air outlet regulation device; the fans 5 are arranged in the air ducts 6 in a one-to-one correspondence manner; the first ports of the air ducts 6 face the first side surface of the evaporator 2, and the second ports of the air ducts 6 are respectively communicated with the second air ports 4; the second side of the evaporator 2 faces the first tuyere 3; the air outlet regulation and control device is arranged at the second air port 4 and has a first state of closing the second air port 4 and a second state of opening the second air port 4.

Specifically, in this embodiment, based on the optimized design of the internal structure of the cabinet air conditioner, when the cabinet air conditioner is in normal operation, the air outlet regulation and control device is controlled to be in the second state to open the second air port 4, and the plurality of fans 5 are controlled to operate in the first rotation direction, so that the indoor air can be discharged from the second air port 4 to the indoor space along each air duct 6 after sequentially passing through the first air port 3 and the evaporator 2, so as to realize the refrigeration or heating of the indoor environment; meanwhile, when the air conditioner cabinet is cleaned and controlled, the air outlet regulation and control device is controlled to be in the first state so as to close the second air port 4, one part of the plurality of fans 5 can be controlled to start and operate in the first rotary direction, and the other part of the plurality of fans 5 can start and operate in the second rotary direction or be in a shutdown state, so that the evaporator 2 can be automatically purged.

Therefore, the normal temperature regulation function of the indoor environment is ensured based on the improvement of the internal structure of the cabinet air conditioner, the attachments on the evaporator 2 can be automatically cleaned in a reverse blowing mode, the operation is simple and convenient, and the normal working performance of the air conditioner is ensured.

It should be noted here that the first tuyere 3 shown in the present embodiment may be provided in one or more number. In the case where the first tuyere 3 is provided as one, the first ports of the plurality of wind tunnels 6 are provided corresponding to different regions of one first tuyere 3 in common. Thus, when a part of the fans 5 is controlled to start and operate in the first rotation direction, indoor air can be driven to enter the machine shell 1 through a part of area of the first air opening 3 and is conveyed to the second air opening 4 after being guided by a part of air channels 6; since the second ports 4 are closed but the second ports of the respective air paths 6 are communicated with each other, the air supply flow can only flow from another part of the air paths 6 and is discharged out of the casing 1 from the other area of the first port 3 after the evaporator 2 is reversely purged. In the process, the fan 5 in the other part of the air duct 6 can be controlled to start to operate in the second rotation direction or be in a shutdown state.

Correspondingly, under the condition that the first air ports 3 are arranged in a plurality, the first ports of the air ducts 6 are respectively arranged in one-to-one correspondence with the first air ports 3. Thus, when a part of the fans 5 is controlled to start and operate in the first rotation direction, indoor air can enter the machine shell 1 through a part of the first air ports 3 and is conveyed to the second air ports 4 after being guided by a part of the air ducts 6; since the second ports 4 are closed but the second ports of the respective air ducts 6 are communicated with each other, the air supply flow can only flow from another part of the air ducts 6 and is discharged out of the cabinet 1 from the other first ports 3 after the evaporator 2 is reversely purged.

As shown in fig. 1, two air ducts 6 are disposed in the casing 1 shown in this embodiment, first ports of the two air ducts 6 face a first side surface of the evaporator 2 together, and second side surfaces of the evaporator 2 face two first air ports 3 distributed up and down respectively. Thus, when the indoor air is sequentially introduced into the casing 1 from the first air port 3 formed at the upper end and the upper end of the evaporator 2, the air flow in the casing 1 can reversely pass through the lower end of the evaporator 2 and be discharged from the first air port 3 formed at the lower end. Accordingly, when the indoor air is sequentially introduced into the cabinet 1 from the first tuyere 3 provided at the lower end and the lower end of the evaporator 2, the air current in the cabinet 1 can reversely pass through the upper end of the evaporator 2 and be discharged from the first tuyere 3 provided at the upper end.

As shown in fig. 1, in order to better guide the flow of gas in the cabinet 1, the present embodiment is provided with a first plenum 7 and a second plenum 8 in the cabinet 1; the evaporator 2 is arranged in the first air chamber 7; the first air port 3 is communicated with the first air chamber 7; the first ports of the air ducts 6 are respectively communicated with the first air chamber 7; the second air port 4 is communicated with a second air chamber 8; second ports of the plurality of air ducts 6 are respectively communicated with the second air chamber 8.

The number of the evaporators 2 shown in the present embodiment may be one or more, and is not particularly limited herein.

Here, in order to further enhance the flow guiding effect of the gas, the first air chamber 7 shown in the present embodiment includes a plurality of air chamber units; the evaporator 2 includes a plurality of evaporation units; the first tuyere 3 includes a plurality of tuyere units; wherein the plurality of plenum units are isolated from each other; the first ports of the air ducts 6 are respectively communicated with the air chamber units in a one-to-one correspondence manner; the plurality of evaporation units are arranged in the plurality of air chamber units in a one-to-one correspondence manner; the air chamber units are communicated with the air port units in a one-to-one correspondence mode.

Specifically, this embodiment can specifically set up a plurality of wind gap units from last to down interval arrangement in proper order. The first ports of the plurality of air chamber units, the plurality of evaporation units and the plurality of air ducts 6 shown in this embodiment may be correspondingly arranged in the vertical direction according to the arrangement positions of the plurality of air port units.

As shown in fig. 3, in order to improve the air supply efficiency and reduce the occupation of the air-conditioning internal space, the fan 5 shown in the present embodiment is preferably a centrifugal fan. In the case of a fan 5 designed as a centrifugal fan, the air duct 6 shown in the present embodiment is correspondingly designed as a volute.

As shown in fig. 1 and 4, in order to control the opening and closing of the second air inlet 4, the air outlet regulating device shown in this embodiment includes a wind shield 9 and a linear driving mechanism; the driving end of the linear driving mechanism is connected to the wind deflector 9 to drive the wind deflector 9 to move along the height direction of the cabinet air conditioner, wherein the linear driving mechanism shown in the present embodiment is not specifically shown in fig. 1 and 4. When the air outlet regulation and control device is in the first state, the wind shield 9 shields the second air opening 4; when the air outlet regulation and control device is in the second state, the wind shield 9 is separated from the second air opening 4.

Specifically, this embodiment can set up the slide rail on casing 1, and the slide rail is arranged along casing 1's direction of height. The wind deflector 9 shown in this embodiment is slidably mounted on a slide rail and can be stably moved up and down in the height direction of the cabinet 1 under the guidance of the slide rail.

Meanwhile, in order to facilitate the movement control of the wind deflector 9, the linear driving mechanism shown in the present embodiment is preferably an electric push rod or a screw driving mechanism. In this embodiment, the driving end of the linear driving mechanism may be specifically connected to the lower end of the wind deflector 9. The driving end of the linear driving mechanism can move up and down along the height direction of the machine shell 1, and the driving end of the linear driving mechanism is connected to the back of the wind shield 9.

As shown in fig. 2, in order to physically protect the evaporator 2 and perform a preliminary purification process on the air entering the cabinet 1, the first air inlet 3 of the present embodiment is provided with an air inlet grille 10.

Meanwhile, in order to facilitate the optimal arrangement of the air duct 6 in the casing 1, the first air opening 3 and the second air opening 4 are respectively arranged on the casing wall at the opposite sides of the casing 1 in the embodiment. In order to facilitate the cooling or heating adjustment of the temperature of the indoor environment, the second air opening 4 is disposed near the top of the casing 1.

As shown in fig. 1 and 4, in order to adjust the humidity of the indoor environment, the present embodiment is further provided with an atomizing device; the atomization device is arranged in the machine shell 1; the shell wall of the machine shell 1 is provided with a moisture outlet 11, and the moisture outlet 11 is communicated with the atomizing device.

Specifically, the atomizing device shown in the present embodiment includes: a water tank 12, a water pump 13 and an atomizing humidifier 14; the water tank 12 is arranged at the lower side of the evaporator 2 to receive condensed water generated on the surface of the evaporator 2; a water inlet of the water pump 13 is communicated with the water tank 12, and a water outlet of the water pump 13 is communicated with the atomization humidifier 14; the atomizing humidifier 14 communicates with the moisture outlet 11.

In practical use, the present embodiment can add water into the water tank 12 through the water inlet 15 formed on the wall of the casing 1. To ensure that the mist generated by the atomizing humidifier 14 is uniformly delivered into the room, the present embodiment may provide a perforated plate or a stainless steel mesh on the moisture outlet 11.

As shown in fig. 5, this embodiment further provides a self-cleaning control method of the cabinet air conditioner, which includes the following steps:

and step 510, detecting the running state of the cabinet air conditioner.

And 520, controlling the air outlet regulation and control device to be in a first state, controlling one part of the fans to start and operate in a first rotation direction, and controlling the other part of the fans to start and operate in a second rotation direction or be in a shutdown state to purge the evaporator under the condition that the operation state meets the preset condition.

The preset conditions comprise any one of a starting instruction signal received by the cabinet air conditioner, a shutdown instruction signal received by the cabinet air conditioner and the running time of the cabinet air conditioner being longer than a first preset time; the fan is used for driving the air flow to flow from the first air port to the evaporator under the condition that the running direction of the fan is in the first rotating direction; and under the condition that the running direction of the fan is in the second rotating direction, the fan is used for driving the air flow to flow from the evaporator to the first air port.

Here, this embodiment has both ensured the normal temperature regulation function of indoor environment based on the improvement to cabinet air conditioner inner structure, and the mode that again the accessible was reversed and is swept carries out automatic clearance to the attachment on the evaporimeter, and its easy operation is convenient, has ensured the normal working property of air conditioner.

Meanwhile, based on the control logic of the method shown in the embodiment, in order to prevent dust and lint-like flocculent attachments from adhering to the evaporator when the air conditioner is used for a long time, the embodiment can automatically clean the attachments on the evaporator in a reverse purging manner. In practical application, the evaporator can be reversely swept once when the cabinet air conditioner is started, or when the cabinet air conditioner is shut down, or when the operation time of the cabinet air conditioner is longer than a first preset time length, the evaporator can be reversely swept once, so that a better sweeping effect is achieved.

The first preset time period shown in this embodiment may be 6 to 12 hours, for example: the first preset time period is specifically 6 hours, 8 hours, 10 hours, and 12 hours, which is not particularly limited.

As shown in fig. 6, in the case that two fans 5 are disposed in one-to-one correspondence with the air ducts 6, in order to clean the upper half portion of the evaporator 2, the present embodiment may control the fan 5 located at the lower side to start and operate in the first rotation direction, control the fan 5 located at the upper side to start and operate in the second rotation direction, and control the second air opening 4 to be closed. In this way, after passing through the lower half portion of the evaporator 2 from the first air port 3 on the lower side, the indoor air is conveyed to the second air chamber 8 along the air duct 6 corresponding to the fan 5 on the lower side, and then returned to the first air chamber 7 along the air duct 6 corresponding to the fan 5 on the upper side, and after passing through the upper half portion of the evaporator 2, the indoor air is discharged out of the cabinet 1 from the first air port 3 on the upper side, and in this process, the reverse purging of the upper half portion of the evaporator 2 is realized.

As shown in fig. 7, in the case that two fans 5 are disposed in one-to-one correspondence with the air ducts 6, in order to clean the lower half portion of the evaporator 2, the present embodiment may control the fan 5 located on the upper side to start and operate in the first rotation direction, control the fan 5 located on the lower side to start and operate in the second rotation direction, and control the second air opening 4 to be closed. In this way, after passing through the upper half of the evaporator 2 from the first air port 3 on the upper side, the indoor air is conveyed to the second air chamber 8 along the air duct 6 corresponding to the fan 5 on the upper side, and then returned to the first air chamber 7 along the air duct 6 corresponding to the fan 5 on the lower side, and after passing through the lower half of the evaporator 2, the indoor air is discharged out of the casing 1 from the first air port 3 on the lower side, and in this process, the reverse purging of the lower half of the evaporator 2 is realized.

Further, the self-cleaning control method according to the present embodiment further includes: under the condition that the cabinet air conditioner receives a starting command signal, if the purging time of the evaporator reaches a second preset duration, the multiple fans are controlled to simultaneously rotate in a first rotation direction, and the air outlet regulation and control device is controlled to be in a first state.

As shown in fig. 8, when the time for purging the evaporator 2 reaches the second preset time, the present embodiment may control the upper and lower fans 5 to simultaneously operate in the first rotation direction, so that the indoor air is delivered to the second air compartment 8 along the air duct 6 corresponding to the upper fan 5 after flowing through the upper half of the evaporator 2 from the upper first air port 3, and meanwhile, the indoor air is delivered to the second air compartment 8 along the air duct 6 corresponding to the lower fan 5 after flowing through the lower half of the evaporator 2 from the lower first air port 3, and the two air after heat exchange by the evaporator 2 are merged in the second air compartment 8 and then discharged from the second air port 4 out of the cabinet 1, so as to implement the cooling or heating process for the indoor environment. Wherein the arrows in fig. 6 to 8 indicate the flow direction of the gas.

Correspondingly, under the condition that the cabinet air conditioner receives the shutdown instruction signal, if the purging time of the evaporator reaches a second preset duration, the plurality of fans are controlled to stop running, and the air outlet regulation and control device is controlled to be switched from the first state to the second state.

The second preset time period shown in this embodiment may be 15-30s, for example: the second preset time period is specifically 15s, 20s, and 30s, and is not specifically limited herein.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.