A control method of a kitchen air conditioner and a kitchen air conditioner

Abstract

The application relates to the technical field of kitchen equipment, and particularly discloses a control method of a kitchen air conditioner and the kitchen air conditioner. The control method of the kitchen air conditioner is characterized in that the cooking area oil fume concentration is acquired, and the refrigeration power output by the kitchen air conditioner is adjusted based on the cooking area oil fume concentration. When cooking, the cooking area oil fume concentration can directly reflect the current temperature condition of kitchenware. Compared with the hysteresis of the temperature change in the kitchen, the diffusion of the oil fume is faster, and the influence of cooking on the kitchen environment temperature, especially the ambient temperature around the kitchenware, can be reflected in the first time. Therefore, the refrigeration power output by the kitchen air conditioner is adjusted according to the cooking area oil fume concentration, the demand of the user for refrigeration in the current cooking environment can be better met, and the user experience can be improved.

Description

Technical Field

[0001] This invention relates to the field of kitchen equipment technology, and in particular to a control method for a kitchen air conditioner and a kitchen air conditioner. Background Technology

[0002] The kitchen is a space that almost every household has, and it's used frequently. Whenever a stove is used, it generates heat and fumes, especially in summer when the kitchen environment becomes stuffy and uncomfortable, leading to a poor user experience. Therefore, existing technologies offer various kitchen air conditioners to cool the air in the kitchen.

[0003] In existing kitchen air conditioners, the control method is typically similar to that of air conditioners in living rooms or bedrooms, adjusting the cooling power based on the average temperature in the kitchen. However, the kitchen environment is far more complex than that of a living room or bedroom. For example, when a user is stir-frying, the temperature near the gas stove rises rapidly in a short period, while the average temperature in the kitchen does not change significantly. If the cooling power of the kitchen air conditioner is adjusted based on the average temperature in the kitchen, there will be a noticeable lag, failing to provide sufficient cooling in a timely manner when the user is stir-frying, thus affecting the user experience. Summary of the Invention

[0004] The purpose of this invention is to provide a control method and a kitchen air conditioner to adapt to the kitchen environment, meet the user's temperature control needs during stir-frying, and improve the user experience.

[0005] On one hand, the present invention provides a control method for a kitchen air conditioner. The kitchen air conditioner includes a compressor, a condenser, a throttling device, and an evaporator connected in sequence via pipes to form a refrigerant circulation path. The kitchen air conditioner also includes a fan and a heat exchange device. The fan drives air to flow through the evaporator and outputs it into the kitchen. The heat exchange device is used to exchange heat with the condenser. The control method for the kitchen air conditioner includes:

[0006] S100: Obtain the oil fume concentration in the cooking zone, wherein the oil fume concentration in the cooking zone includes the first oil fume concentration at a first height point near the cookware and the second oil fume concentration at a second height point, wherein the first height point is higher than the second height point;

[0007] S200: Adjust the cooling power output of the kitchen air conditioner based on the oil fume concentration in the cooking area.

[0008] As a preferred technical solution for controlling kitchen air conditioning, S200 includes:

[0009] S2010: Determine the magnitude of the first oil fume concentration compared to the first set oil fume concentration and the second set oil fume concentration, and the magnitude of the second oil fume concentration compared to the first set oil fume concentration and the second set oil fume concentration, wherein the second set oil fume concentration is greater than the first set oil fume concentration;

[0010] If either the first oil fume concentration or the second oil fume concentration is less than the first set oil fume concentration, and the other is between the first set oil fume concentration and the second set oil fume concentration, then execute S2020;

[0011] S2020: The kitchen air conditioner outputs the first cooling power.

[0012] As a preferred technical solution for the control method of kitchen air conditioner, in S2010, if either the first oil fume concentration or the second oil fume concentration is greater than the second set oil fume concentration, then S2030 is executed.

[0013] S2030: The kitchen air conditioner outputs a second cooling power.

[0014] As a preferred technical solution for the control method of kitchen air conditioner, in S2010, if both the first oil fume concentration and the second oil fume concentration are between the first set oil fume concentration and the second set oil fume concentration, then S2040 is executed.

[0015] S2040: The kitchen air conditioner outputs a second cooling power.

[0016] As a preferred technical solution for controlling kitchen air conditioning, in S2010,

[0017] If both the first oil fume concentration and the second oil fume concentration are less than the first set oil fume concentration, then execute S300.

[0018] S300: Obtains the ambient temperature of the kitchen;

[0019] S400: Obtain the cooking environment temperature, which includes a first temperature at a first height point near the cookware and a second temperature at a second height point, wherein the first height point is higher than the second height point;

[0020] S500: Adjust the cooling power output of the kitchen air conditioner based on the kitchen ambient temperature and the cooking ambient temperature.

[0021] As a preferred technical solution for controlling kitchen air conditioning, S500 includes:

[0022] S5010: Determine whether the kitchen ambient temperature is higher than the set kitchen ambient temperature, and whether the first temperature is higher than the first set temperature, wherein the first set temperature is higher than the set kitchen ambient temperature;

[0023] If the kitchen ambient temperature is higher than the set kitchen ambient temperature, and the first temperature is higher than the first set temperature, then execute S5020;

[0024] S5020: The kitchen air conditioner outputs a first cooling power and accumulates a first duration during which the first temperature is higher than the first set temperature.

[0025] As a preferred technical solution for controlling kitchen air conditioning, S500 also includes the following after S5020:

[0026] S5030: Determine whether the first duration exceeds the first set time and whether the second temperature exceeds the second set temperature, wherein the second set temperature is higher than the set kitchen ambient temperature and lower than the first set temperature;

[0027] If the first duration exceeds the first set time, or the second temperature exceeds the second set temperature, then execute S5040;

[0028] S5040: The kitchen air conditioner outputs a second cooling power, which is higher than the first cooling power.

[0029] As a preferred technical solution for the control method of kitchen air conditioning, in S5010, if the kitchen ambient temperature is higher than the set kitchen ambient temperature, and the first temperature is not higher than the first set temperature, then S5050 is executed.

[0030] S5050: Turn on the fan.

[0031] As a preferred technical solution for the control method of kitchen air conditioning, in S5010, if the kitchen ambient temperature is not higher than the set kitchen ambient temperature, and the first temperature is higher than the first set temperature, then S5060 is executed.

[0032] S5060: Turn on the fan.

[0033] As a preferred technical solution for controlling kitchen air conditioning, S500 also includes, following S5060:

[0034] S5070: Determine whether the first temperature is higher than the third set temperature, wherein the third set temperature is higher than the first set temperature;

[0035] If the first temperature is higher than the third set temperature, then execute S5080.

[0036] S5080: The kitchen air conditioner outputs a first cooling power and accumulates a second duration during which the first temperature is higher than the third set temperature.

[0037] As a preferred technical solution for controlling kitchen air conditioning, S500 also includes the following after S5080:

[0038] S5090: Determine whether the second duration exceeds the second set time and whether the second temperature exceeds the fourth set temperature, wherein the fourth set temperature is higher than the set kitchen ambient temperature and lower than the third set temperature;

[0039] If the second duration exceeds the second set time, or the second temperature exceeds the fourth set temperature, then execute S5100;

[0040] S5100: The kitchen air conditioner outputs a second cooling power, which is higher than the first cooling power.

[0041] On the other hand, the present invention provides a kitchen air conditioner for implementing the control method of the kitchen air conditioner in any of the above-mentioned schemes. The kitchen air conditioner includes a compressor, a condenser, a throttling device and an evaporator connected in sequence through pipelines to form a refrigerant circulation path. The kitchen air conditioner also includes a fan and a heat exchange device. The fan is used to drive air to flow through the evaporator and output it to the kitchen. The heat exchange device is used to exchange heat with the condenser.

[0042] The beneficial effects of this invention are as follows:

[0043] This invention provides a control method for a kitchen air conditioner and a kitchen air conditioner. The control method obtains the concentration of cooking fumes in the cooking area and adjusts the cooling power output of the kitchen air conditioner based on the concentration of cooking fumes. During cooking, the concentration of cooking fumes can directly reflect the current temperature of the cookware. Compared with the lag in temperature changes in the kitchen, the diffusion of fumes is faster and can reflect the impact of cooking on the kitchen ambient temperature, especially the ambient temperature around the cookware, in a timely manner. Therefore, adjusting the cooling power output of the kitchen air conditioner based on the concentration of cooking fumes can better meet the user's cooling needs in the current cooking environment and greatly improve the user experience. Attached Figure Description

[0044] Figure 1 This is a schematic diagram of the structure of the kitchen air conditioner in an embodiment of the present invention;

[0045] Figure 2 This is a partial structural diagram of the kitchen air conditioner in an embodiment of the present invention. Figure 1 ;

[0046] Figure 3 This is a partial structural diagram of the kitchen air conditioner in an embodiment of the present invention. Figure 2 ;

[0047] Figure 4 This is a schematic diagram of the heat exchanger in an embodiment of the present invention;

[0048] Figure 5 This is an exploded view of the kitchen air conditioner in an embodiment of the present invention;

[0049] Figure 6 This is a partial structural diagram of the kitchen air conditioner in an embodiment of the present invention. Figure 3 ;

[0050] Figure 7 This is a partial structural diagram of the filter assembly in an embodiment of the present invention;

[0051] Figure 8 This is a cross-sectional view of the filter assembly in an embodiment of the present invention;

[0052] Figure 9 This is a partial enlarged view of the filter assembly in an embodiment of the present invention;

[0053] Figure 10 This is a partial structural diagram of the impeller in an embodiment of the present invention;

[0054] Figure 11 This is a development view of the blade in an embodiment of the present invention;

[0055] Figure 12 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 1 ;

[0056] Figure 13 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 2 ;

[0057] Figure 14 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 3 ;

[0058] Figure 15 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 4 .

[0059] In the picture:

[0060] 1. Chassis; 101. Air inlet; 102. Air outlet;

[0061] 2. Compressor; 3. Condenser; 4. Evaporator;

[0062] 5. Fan; 501. Fan casing; 502. Impeller; 5021. Blade; 5022. Inner wall; 5023. Outer wall; 5024. First slot; 5025. Second slot; 5026. Inclined surface;

[0063] 6. Water tank; 7. Water inlet system; 8. Drainage system;

[0064] 9. Heat exchanger; 901. Coil; 902. Inlet connector; 903. Drain connector; 904. Outlet connector; 905. Water inlet connector;

[0065] 10. Driving component; 11. Drainage plate;

[0066] 12. Filter assembly; 1201. Frame; 1202. Filter; 1203. Guide; 1204. Tapered section; 1205. Cylindrical section;

[0067] 13. Connecting rod. Detailed Implementation

[0068] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0069] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Furthermore, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0070] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0071] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0072] Example 1

[0073] Please refer to Figures 1 to 3 This embodiment provides a kitchen air conditioner, which includes a compressor 2, a condenser 3, a throttling device, and an evaporator 4 connected in sequence to form a refrigerant circulation path. The kitchen air conditioner also includes a fan 5 and a heat exchange device. The fan 5 drives air to flow through the evaporator 4 and outputs it into the kitchen, while the heat exchange device exchanges heat with the condenser 3. The throttling device is preferably a capillary tube.

[0074] Specifically, in this embodiment, the heat exchange device is a water-cooled heat exchange device. The heat exchange device includes a water tank 6, a water inlet system 7 connecting the water tank 6 and a water source, and a drainage system 8 connecting the water tank 6. The water inlet system 7 includes an inlet pipe and a control valve installed on the inlet pipe, and the drainage system 8 includes a drain pipe. When the control valve is open, water from the water source flows into the water tank 6 through the inlet pipe, and water overflowing from the water tank 6 flows out of the water tank 6 through the drain pipe; when the control valve is closed, the water volume in the water tank 6 remains unchanged. Therefore, when the kitchen air conditioner is turned on for cooling, the control valve can be closed and compressor 2 can be turned on. Heat exchange occurs between the condenser 3 and the water in water tank 6. At this time, the kitchen air conditioner can output its first cooling power. Since the amount of cooling water stored in water tank 6 is fixed, the first cooling power gradually changes over time, specifically gradually decreasing. Therefore, when the kitchen air conditioner outputs its first cooling power, its heat exchange capacity and the amount of cooling output are limited, suitable for short-term cooling in the kitchen. Alternatively, the control valve and compressor 2 can be opened simultaneously, providing a continuous supply of cooling water to exchange heat with the condenser 3. In this case, the kitchen air conditioner can output its second cooling power, which remains stable, ensuring continuous cooling output, suitable for situations requiring continuous cooling in the kitchen. It should be noted that the first cooling power is less than the second cooling power.

[0075] Please refer to Figure 4 The heat exchange device also includes a heat exchanger 9 disposed within the water tank 6. The heat exchanger 9 includes a coil 901, an inlet connector 902 and a drain connector 903 connected to one end of the coil 901, and an outlet connector 904 and a water inlet connector 905 connected to the other end of the coil 901. The coil 901 is fitted onto the condenser 3, with the condenser 3 extending into the coil 901 from the inlet connector 902 and exiting from the outlet connector 904. The drain connector 903 connects to a drain pipe, and the water inlet connector 905 connects to a water inlet pipe. This arrangement allows for heat exchange between the cooling water in the water tank 6 and the coil 901 and the condenser 3, and also allows for heat exchange between the water in the coil 901 and the condenser 3, preventing the water in the water tank 6 from heating up too quickly. It should be noted that the joints between the condenser 3 and the inlet connector 902 and the outlet connector 904 are sealed. Preferably, the coil 901 has a rectangular cross-section. With this arrangement, the rectangular layout is more compact and the space is utilized more efficiently, given the same cross-sectional area.

[0076] It should be noted that the heat exchange device in this embodiment is not limited to water-cooled mode. In other embodiments, it can also be configured as an air-cooled heat exchange device and installed outdoors as an outdoor unit. However, comparatively, water-cooled heat exchange devices can be directly installed in the kitchen, which is simple to install, while the installation of air-cooled heat exchange devices is more cumbersome. Furthermore, for some buildings where it is not suitable to install an outdoor unit on the exterior wall of the kitchen, installation may be impossible, which presents significant limitations. Specifically, for air-cooled heat exchange devices, when the kitchen air conditioner can output its first cooling power, the first cooling power can remain constant over time.

[0077] Optionally, the kitchen air conditioner also includes several temperature sensors, which are evenly distributed throughout the kitchen and used to collect the temperature within the kitchen.

[0078] Optionally, the kitchen air conditioner may also include a temperature detection element for detecting the temperature around kitchen utensils that generate heat during operation. The temperature detection element may be an infrared thermal imager or a temperature sensor.

[0079] Optionally, the kitchen air conditioner may further include several oil fume concentration sensors for detecting the concentration of oil fumes in the kitchen space. These oil fume concentration sensors can be installed on the housing of the kitchen air conditioner, and the sensors are spaced apart vertically. Alternatively, they can be installed on the kitchen wall or cabinets. Specifically, this embodiment exemplarily provides a design where the kitchen air conditioner includes two oil fume concentration sensors, respectively located at the upper and lower ends of the housing.

[0080] Alternatively, please refer to Figure 1 and Figure 5 The casing 1 is also equipped with an air inlet 101 and an air outlet 102. The kitchen air conditioner also includes a deflector plate 11 rotatably mounted at the air inlet 101 and a filter assembly 12 mounted at the air inlet 101. The fan 5 has an input end and an output end, with the input end connected to the air inlet 101. The evaporator 4 is located between the output end and the air outlet 102. The fan 5 drives air to enter the fan 5 from the air inlet 101, pass through the filter assembly 12, and exit from the output end of the fan 5. The air exited by the fan 5 can directly exchange heat with the evaporator 4 and then be delivered to the kitchen from the air outlet 102 to regulate the indoor temperature. By rotating the deflector plate 11, the air outlet area of ​​the air outlet 102 can be adjusted, thereby adjusting the amount of air delivered to the room. The air outlet direction can also be adjusted by rotating the deflector plate 11.

[0081] Optionally, the evaporator 4 is rotatably connected to the casing 1. Rotating the evaporator 4 allows adjustment of the contact area between the evaporator 4 and the air, thereby regulating the temperature of the air after heat exchange. It should be noted that in this embodiment, the fan 5 is fixed in position. In other embodiments, the fan 5 can also be rotatably connected to the casing 1, with the evaporator 4 fixedly connected to the fan 5; rotating the fan 5 can also achieve the purpose of adjusting the heat exchange area of ​​the evaporator 4.

[0082] It is understandable that the area covered by the fan 5 when driving airflow is fixed, but the air-receiving area of ​​the evaporator 4 changes when the evaporator 4 rotates. In this embodiment, the total area of ​​the evaporator 4 facing the fan 5 is much larger than its air-receiving area, and the centerline of the output end of the fan 5 intersects the rotation center of the evaporator 4. With this configuration, the air-receiving area of ​​the flowing air can be adjusted by rotating the evaporator 4, thereby regulating the temperature in the kitchen. Furthermore, by rotating the evaporator 4, different locations on its surface can be exposed to airflow, which can help melt frost on different locations on the evaporator 4 surface. Of course, in other embodiments, the total area of ​​the evaporator 4 facing the fan 5 can be made approximately equal to its maximum air-receiving area, as needed.

[0083] Alternatively, please refer to Figure 6 The air conditioner's blower assembly 5 also includes a connecting rod 13 and a drive component 10. The two ends of the connecting rod 13 are rotatably connected to the guide plate 11 and the evaporator 4, respectively. The drive component 10 drives the rotation of either the guide plate 11 or the evaporator 4. This configuration allows both the guide plate 11 and the evaporator 4 to rotate simultaneously with a single drive component 10, resulting in a simple structure. Preferably, the guide plate 11 is configured to always remain parallel to the evaporator 4, facilitating assembly and control. Alternatively, the guide plate 11 and the evaporator 4 can be arranged at an angle as needed. The drive component 10 is preferably a motor. The drive component 10 can also be configured as an electric actuator, cylinder, etc., as required.

[0084] Optionally, the air diversion plate 11 includes a main body and a first rotating shaft centrally located vertically on the main body. The main body is used to open or close the air outlet 102, and the first rotating shaft is rotatably connected to the casing 1. The air diversion plate 11 can rotate relative to the casing 1 to have an open position and a closed position. When the air diversion plate 11 is in the open position, the main body opens the air outlet 102 and tilts upward; when the air diversion plate 11 is in the closed position, the main body closes the air outlet 102. With this configuration, when the air diversion plate 11 is in the open position, it can guide airflow upward, which is suitable for situations where the installation position of the kitchen air conditioner is relatively low, such as near the ground. In other embodiments, when the air diversion plate 11 is in the open position, the main body can be tilted downward, which can guide airflow downward, suitable for situations where the installation position of the kitchen air conditioner is relatively high, such as near the ceiling.

[0085] Optionally, the evaporator 4 includes an evaporator body and two second rotating shafts disposed on the evaporator body. The two second rotating shafts are coaxially arranged and rotatably connected to the casing 1. The evaporator body is provided with a heat exchange channel. One of the second rotating shafts is provided with an input channel communicating with the heat exchange channel, and the other second rotating shaft is provided with an output channel communicating with the heat exchange channel. With this configuration, the external piping connected to the evaporator 4 only needs to be connected to the input and output channels. Therefore, when the evaporator 4 rotates relative to the casing 1, the swing amplitude of the external piping is small, requiring only a small margin.

[0086] Alternatively, please refer to Figures 7 to 9 The filter assembly 12 includes a frame 1201, a filter 1202, and a guide 1203. The filter 1202 is fixed to the frame 1201 and is used to filter air. The guide 1203 is disposed on one side of the filter 1202 and has several air guide holes for guiding airflow towards the filter 1202. Each air guide hole includes a tapered section 1204 with a gradually decreasing aperture. The tapered section 1204 has a large end and a small end, with the inner diameter of the large end being larger than that of the small end, and the small end being closer to the filter 1202 than the large end. With this configuration, when air passes through the tapered section 1204 of the air guide holes, the airflow velocity gradually increases as the aperture of the tapered section 1204 gradually decreases, generating suction to encourage more air to enter the air guide holes, increasing the air intake volume. This achieves the effect of a Venturi structure, filtering the air as it passes through the filter 1202.

[0087] Filter 1202 includes an activated carbon filter. It can purify the air passing through. In other embodiments, filter 1202 may also include one or more combinations of ABS filters, HEPA filters, activated carbon filters, photocatalytic filters, silver ion filters, and catechin filters.

[0088] Optionally, the air guide hole also includes a cylindrical section 1205 communicating with the small end and located between the tapered section 1204 and the filter screen 1202, the diameter of the cylindrical section 1205 being equal to the diameter of the small end. By setting the cylindrical section 1205, the air accelerated by the tapered section 1204 can be stabilized, thereby allowing the air to flow steadily into the filter screen 1202.

[0089] The fan 5 includes a fan housing 501, an impeller 502 disposed within the fan housing 501, and a motor for driving the impeller 502 to rotate. The fan housing 501 contains an air duct and an input end and an output end connected to the air duct. The impeller 502 is located in the air duct, with its output end facing the evaporator 4. Driven by the motor, the impeller 502 rotates, drawing outdoor air sequentially through the air inlet 101 and the input end into the air duct, then blowing it from the output end towards the evaporator 4. After heat exchange with the evaporator 4, the air is discharged from the air outlet 102.

[0090] Alternatively, please refer to Figure 10 and Figure 11 In this embodiment, the impeller 502 is specifically a centrifugal impeller 502, which includes an end ring and a plurality of blades 5021. The end ring includes a first end ring and a second end ring arranged at intervals and coaxially. The plurality of blades 5021 are all connected between the first end ring and the second end ring, and the plurality of blades 5021 are evenly distributed along the circumferential direction of the end ring. Each blade 5021 includes a first end face and a second end face arranged in parallel and at intervals, and an inner sidewall 5022 and an outer sidewall 5023 connected between the first end face and the second end face. The inner sidewall 5022 is closer to the center line of the end ring than the outer sidewall 5023. Along the axial direction of the end ring, the inner sidewall 5022 is provided with a plurality of noise reduction grooves at intervals, and the noise reduction grooves penetrate the first end face and the second end face. Since the blades 5021 easily generate noise when cutting the airflow when the impeller 502 rotates, this embodiment can effectively reduce the noise generated when the impeller 502 rotates by providing noise reduction grooves in the inner sidewall 5022.

[0091] The noise reduction grooves include multiple first grooves 5024 and multiple second grooves 5025, with a second groove 5025 positioned between any two adjacent first grooves 5024; the opening width of the first groove 5024 is greater than the opening width of the second groove 5025; and / or, the groove depth of the first groove 5024 is greater than the groove depth of the second groove 5025. In this embodiment, an exemplary scheme is provided where the opening width of the first groove 5024 is greater than the opening width of the second groove 5025, and the groove depth of the first groove 5024 is greater than the groove depth of the second groove 5025. This configuration can further reduce the noise generated when the impeller 502 rotates.

[0092] Optionally, the width of the first slot 5024 is equal to twice the width of the second slot 5025; and / or, the depth of the first slot 5024 is equal to twice the depth of the second slot 5025. This embodiment exemplifies a scheme where the width of the first slot 5024 is equal to twice the width of the second slot 5025, and the depth of the first slot 5024 is equal to twice the depth of the second slot 5025. In other embodiments, the ratio between the width of the first slot 5024 and the width of the second slot 5025, as well as the ratio between the depth of the first slot 5024 and the depth of the second slot 5025, can be adjusted according to actual needs. The noise reduction effect is optimal when both the width of the first slot 5024 and the depth of the first slot 5025 are equal. Preferably, the first groove 5024 and the second groove 5025 have similar shapes and are both set as equilateral triangles.

[0093] Optionally, the inner wall 5022 includes an inclined surface 5026 and a plane arranged sequentially along the axial direction of the end ring, and a plurality of noise reduction grooves are disposed on the plane; the inclined surface 5026 has a first end and a second end spaced apart along the axial direction of the end ring, the first end being farther away from the center line of the end ring relative to the second end, and the second end being connected to the plane, the inclined surface 5026 being used to guide air into the impeller 502. By setting the inclined surface 5026, the inner cavity of the impeller 502 can be made into a funnel shape, which facilitates the guidance of more air into the impeller.

[0094] Optionally, the plane includes a first region occupied by a plurality of noise-reducing grooves and a second region not occupied by the noise-reducing grooves, with the first region located between the second region and the inclined surface 5026. This arrangement facilitates improved noise reduction of the impeller 502. In other embodiments, the plurality of noise-reducing grooves may occupy the entire plane. Embodiment Two

[0095] When using a kitchen air conditioner, its control method is usually similar to that of an air conditioner in a living room or bedroom, adjusting the cooling power based on the average temperature in the kitchen. However, the kitchen environment is far more complex than that of a living room or bedroom. For example, when stir-frying, the temperature near the gas stove rises rapidly in a short period of time, while the average temperature in the kitchen does not change significantly. If the cooling power of the kitchen air conditioner is adjusted based on the average temperature in the kitchen, there will be a noticeable lag, and it will be unable to provide sufficient cooling in time when the user is stir-frying, affecting the user experience.

[0096] To address this problem, this embodiment provides a control method for a kitchen air conditioner. This control method is implemented using the kitchen air conditioner described in the above embodiment.

[0097] Figure 12The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 1 Please refer to Figure 12 The control method for the kitchen air conditioner includes the following steps.

[0098] S100: Obtain the concentration of cooking fumes in the cooking area.

[0099] The cooking area oil fume concentration includes the first oil fume concentration at a first height point near the cookware and the second oil fume concentration at a second height point, with the first height point being higher than the second height point.

[0100] S200: Adjusts the cooling power output of the kitchen air conditioner based on the concentration of cooking fumes in the cooking area.

[0101] During cooking (such as stir-frying), the concentration of oil fumes in the cooking area can directly reflect the current temperature of the cookware (such as the wok). Compared to the lag in temperature changes within the kitchen, the diffusion of oil fumes is faster, allowing the impact of cooking on the kitchen environment temperature, especially the temperature around the cookware, to be reflected immediately. This enables the kitchen air conditioner to adjust its cooling power output based on the concentration of oil fumes in the cooking area, better meeting the user's cooling needs in the current cooking environment and significantly improving the user experience.

[0102] Figure 13 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 2 Please refer to Figure 13 S200 includes the following steps.

[0103] S2010: Determine the magnitude of the first oil fume concentration relative to the first set oil fume concentration and the second set oil fume concentration, and the magnitude of the second oil fume concentration relative to the first set oil fume concentration and the second set oil fume concentration.

[0104] The second set oil fume concentration is greater than the first set oil fume concentration. The specific values ​​of the first and second set oil fume concentrations can be set as needed, and the differences between different range hood models can be taken into account when setting them.

[0105] If one of the first oil fume concentration and the second oil fume concentration is less than the first set oil fume concentration, and the other is between the first set oil fume concentration and the second set oil fume concentration, then execute S2020; if either the first oil fume concentration or the second oil fume concentration is greater than the second set oil fume concentration, then execute S2030; if both the first oil fume concentration and the second oil fume concentration are between the first set oil fume concentration and the second set oil fume concentration, then execute S2040; if both the first oil fume concentration and the second oil fume concentration are less than the first set oil fume concentration, then execute S300.

[0106] S2020: The kitchen air conditioner is outputting its first cooling power.

[0107] When one of the first and second oil fume concentrations is less than the first set oil fume concentration, and the other is between the first and second set oil fume concentrations, it indicates that the kitchen appliances are in operation and the temperature of the appliances is high, which can cause users cooking nearby to feel hot. Therefore, the kitchen air conditioner needs to output the first cooling power to regulate the kitchen ambient temperature.

[0108] S2030: The kitchen air conditioner outputs its second cooling power.

[0109] When either the first or second oil fume concentration exceeds the second set oil fume concentration, it indicates that oil fumes are pervasive, the kitchen appliances are in operation, and the appliances have been in operation for a considerable period of time. Considering that the cooling capacity of the kitchen air conditioner at the first cooling power is limited, in order to match the current cooking situation, it is necessary to open the control valve and supply a continuous supply of cooling water to the condenser for heat exchange, ensuring the continuous cooling capacity of the kitchen air conditioner, thereby regulating the cooking environment temperature and allowing users to cook comfortably, thus improving the user experience.

[0110] S2040: The kitchen air conditioner outputs its second cooling power.

[0111] When both the first and second oil fume concentrations are between the first and second set oil fume concentrations, it indicates that the oil fume concentration has reached a higher level. In order to ensure the optimal heat dissipation effect, the kitchen air conditioner also needs to output the second cooling power.

[0112] S300: Obtain the ambient temperature of the kitchen.

[0113] Specifically, the kitchen ambient temperature refers to the average temperature within the kitchen. This can be characterized by the average temperature detected by several temperature sensors evenly distributed throughout the kitchen.

[0114] When both the first and second oil fume concentrations are less than the first set oil fume concentration, it indicates that no oil fumes are produced during cooking, or the amount of oil fumes produced is very small. In this case, it is necessary to adjust the cooling power of the kitchen air conditioner by adjusting the temperature.

[0115] S400: Obtain the cooking environment temperature.

[0116] The cooking environment temperature includes a first temperature at a first elevation point near the cookware and a second temperature at a second elevation point, with the first elevation point being higher than the second. When a user cooks or works in the kitchen, they operate near the cookware. Taking stir-frying as an example, the heat radiated by the gas stove causes a change in the surrounding temperature, which is then reflected in the user's body through heat radiation and heat transfer. Therefore, the cooking environment temperature directly reflects the temperature of the user's current surroundings and can be used to assess whether the user is in a comfortable thermal environment.

[0117] The cooking environment temperature can be obtained using an infrared thermal imager. The first height point can be a position corresponding to the upper body of the user, and the second height point can be a position corresponding to the lower body of the user. Specifically, the first height point corresponds to the temperature at the same height as the cookware, which is the waist height of an average-sized adult; the second height point corresponds to a position lower than the cookware, which is the lower leg height of an average-sized adult.

[0118] S500: Adjusts the cooling power output of the kitchen air conditioner based on the ambient temperature of the kitchen and the cooking environment.

[0119] When both the first and second oil fume concentrations are less than the first set oil fume concentration, the kitchen ambient temperature and cooking ambient temperature are obtained, and the cooling power output of the kitchen air conditioner is adjusted based on these two temperatures. On the one hand, not all cooking produces oil fumes; for cooking that does not produce oil fumes, matching can be achieved through step S500. On the other hand, even if cooking produces oil fumes, if the oil fume concentration is low, prolonged cooking time can still cause excessively high temperatures around the cookware, and even excessively high temperatures throughout the kitchen. Step S500 is also applicable in this case.

[0120] Among them, the kitchen ambient temperature reflects the overall temperature in the kitchen, while the cooking ambient temperature reflects the conditions around the kitchen utensils during cooking. By comprehensively measuring the user's demand for the cooling power output of the kitchen air conditioner through the kitchen ambient temperature and the cooking ambient temperature, compared with the existing technology that simply adjusts the temperature in the kitchen based on the kitchen ambient temperature, it can more effectively match the complex environment of the kitchen and improve the user experience.

[0121] Figure 14 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 3 Please refer to Figure 14 Specifically, in S500, adjusting the cooling power output of the kitchen air conditioner based on the kitchen ambient temperature and the cooking ambient temperature includes the following steps.

[0122] S5010: Determine whether the kitchen ambient temperature is higher than the set kitchen ambient temperature, and whether the first temperature is higher than the first set temperature.

[0123] The first set temperature is higher than the set kitchen ambient temperature.

[0124] If the kitchen ambient temperature is higher than the set kitchen ambient temperature and the first temperature is higher than the first set temperature, then execute S5020; if the kitchen ambient temperature is higher than the set kitchen ambient temperature and the first temperature is not higher than the first set temperature, then execute S5050; if the kitchen ambient temperature is not higher than the set kitchen ambient temperature and the first temperature is higher than the first set temperature, then execute S5060; if the kitchen ambient temperature is not higher than the set kitchen ambient temperature and the first temperature is not higher than the first set temperature, then repeat step S100.

[0125] When the kitchen ambient temperature is higher than the set kitchen ambient temperature, it indicates that the kitchen ambient temperature is already causing users to feel hot. At this time, users need to adjust the kitchen ambient temperature when cooking or not.

[0126] When the kitchen ambient temperature is not higher than the set kitchen ambient temperature, it means that the kitchen ambient temperature will not cause users to feel hot. At this time, when users are not doing cooking in the kitchen, they do not need to adjust the kitchen ambient temperature. When users are doing cooking in the kitchen, they can decide whether to adjust the temperature according to the specific situation.

[0127] When the first temperature is higher than the first set temperature, it indicates that the kitchen appliance is in operation and that the user is cooking in the kitchen. Ignoring the ambient kitchen temperature, cooking next to this appliance will already cause the user to feel hot, thus requiring adjustment of the ambient kitchen temperature. It's important to note that in this embodiment, the first set temperature is higher than the set ambient kitchen temperature. This is because the entire kitchen space absorbs the heat generated during cooking. Even if the first temperature is higher than the set ambient temperature, as long as the first temperature does not exceed the first set temperature, the user's experience while cooking is similar to that of being in a kitchen with a temperature higher than the set ambient temperature. Therefore, the threshold for the ambient kitchen temperature and the threshold for the cooking temperature are measured using different standards.

[0128] When the first temperature is lower than the first set temperature, the user will not feel uncomfortable even if they are cooking, ignoring the ambient temperature of the kitchen.

[0129] S5020: The kitchen air conditioner outputs a first cooling power and accumulates a first duration during which the first temperature is higher than the first set temperature.

[0130] When the ambient temperature in the kitchen is higher than the set ambient temperature, and the initial temperature is also higher than the initial set temperature, it indicates that the ambient temperature will cause discomfort to the user, especially since the user still needs to cook in the kitchen. Therefore, the kitchen air conditioner can be used to adjust the temperature by outputting its first cooling power to alleviate the user's discomfort while working in the kitchen. It is important to note that the fan needs to be turned on when the kitchen air conditioner is outputting its first cooling power.

[0131] S5030: Determine whether the first duration exceeds the first set time and whether the second temperature exceeds the second set temperature.

[0132] The second set temperature is higher than the set kitchen ambient temperature but lower than the first set temperature.

[0133] If the first duration exceeds the first set time, or the second temperature exceeds the second set temperature, then execute S5040. If the first duration does not exceed the first set time, and the second temperature does not exceed the second set temperature, then repeat S5020.

[0134] S5040: The kitchen air conditioner outputs its second cooling power.

[0135] In this embodiment, when the kitchen air conditioner operates at the first cooling power, it ensures that the user will not feel hot during the first cooking duration even when the kitchen ambient temperature is higher than the set kitchen ambient temperature and the first temperature is higher than the first set temperature. When the first duration exceeds the first set time, it indicates that the current cooking time has lasted for a relatively long time. Considering that the cooling capacity of the kitchen air conditioner at the first cooling power is limited, in order to match the current cooking situation, it is necessary to open the control valve to provide a continuous supply of cooling water to exchange heat with the condenser, ensuring the continuous cooling capacity of the kitchen air conditioner, thereby regulating the cooking ambient temperature and allowing the user to cook comfortably, thus improving the user experience.

[0136] It's important to note that in the kitchen, cool air tends to be positioned lower than warm air. Normally, when a kitchen air conditioner is cooling, the second temperature setting will be slightly lower than the first. Therefore, the temperature rise of the second setting is relatively slow. However, if the second temperature exceeds the first set temperature within the first set time, it indicates that the heat generated by the kitchen appliances is exceptionally high, far exceeding the temperature control capacity of the kitchen air conditioner. This causes the temperature around the appliances to rise rapidly, resulting in significant discomfort for the user. Therefore, in this situation, it's necessary to activate the second cooling output of the kitchen air conditioner to enhance its cooling effect and improve its sustained cooling capacity.

[0137] In this embodiment, the first set time, the first set temperature, and the second set temperature can all be set according to actual needs.

[0138] S5050: Turn on the fan.

[0139] When the ambient temperature in the kitchen is higher than the set ambient temperature, but the initial temperature is not higher than the first set temperature, it indicates that the ambient temperature is causing discomfort to the user, even though the user is not cooking in the kitchen. Therefore, a fan can be used to promote air circulation in the kitchen to alleviate the user's discomfort while working there. When the fan is turned on, it creates a cooling effect similar to a fan, making the user feel cool in the kitchen.

[0140] Optionally, the control method for the kitchen air conditioner also includes the following steps following S5050:

[0141] S5051: Determine whether the kitchen ambient temperature is higher than the first temperature threshold.

[0142] If the kitchen ambient temperature is higher than the first temperature threshold, proceed to step S5052; if the kitchen ambient temperature is not higher than the first temperature threshold, repeat step S5010.

[0143] S5052: The kitchen air conditioner outputs its first cooling power.

[0144] The first temperature threshold is lower than the first set temperature but higher than the set kitchen ambient temperature. The first temperature threshold can be set according to actual needs. When the kitchen ambient temperature is higher than the first temperature threshold, it indicates that the temperature inside the kitchen is high, and users will feel uncomfortable working in it. Therefore, the kitchen air conditioner is needed to cool and regulate the ambient temperature inside the kitchen.

[0145] S5053: Determine whether the kitchen ambient temperature is higher than the second temperature threshold.

[0146] If the kitchen ambient temperature is higher than the second temperature threshold, proceed to step S5054; if the kitchen ambient temperature is not higher than the second temperature threshold, repeat step S5010.

[0147] S5054: The kitchen air conditioner outputs its second cooling power.

[0148] The second temperature threshold is lower than the first set temperature but higher than the first temperature threshold, and the second temperature threshold can be set according to actual needs. When the kitchen ambient temperature is higher than the second temperature threshold, it indicates that the temperature inside the kitchen is too high and not suitable for users to work in. Therefore, the kitchen air conditioner is needed to cool and regulate the ambient temperature inside the kitchen.

[0149] S5060: Turn on the fan.

[0150] When the kitchen ambient temperature is not higher than the set kitchen ambient temperature, and the first temperature is higher than the first set temperature, it means that the user is cooking in the kitchen. However, the kitchen ambient temperature will not cause the user discomfort. Even if the temperature around the cookware rises and exceeds the first set temperature, the air in the kitchen away from the cookware can effectively exchange heat with the air on the cookware side to quickly reduce the temperature on the cookware side. The user's discomfort while cooking is far less severe than when the kitchen ambient temperature is higher than the set kitchen ambient temperature. Therefore, turning on the fan to promote rapid air circulation in the kitchen can effectively alleviate the user's discomfort.

[0151] S5070: Determine whether the first temperature is higher than the third set temperature.

[0152] The third set temperature is higher than the first set temperature.

[0153] If the first temperature is higher than the third set temperature, then execute S5080; if the first temperature is not higher than the third set temperature, then repeat S100.

[0154] S5080: The kitchen air conditioner outputs the first cooling power and accumulates a second duration in which the first temperature is higher than the third set temperature.

[0155] When the third set temperature exceeds the first set temperature, it indicates that the user's discomfort during cooking is relatively severe. Simply adjusting the temperature based on the fan cannot meet the user's needs. In this case, the kitchen air conditioner needs to output the first cooling power while the fan is on.

[0156] S5090: Determine whether the second duration exceeds the second set time and whether the second temperature exceeds the fourth set temperature.

[0157] The fourth set temperature is higher than the set kitchen ambient temperature but lower than the third set temperature.

[0158] If the second duration exceeds the second set time, or the second temperature exceeds the fourth set temperature, then execute S5100; if the second duration does not exceed the second set time and the second temperature does not exceed the fourth set temperature, then repeat S5080.

[0159] S5100: Kitchen air conditioner outputs second cooling power.

[0160] In this embodiment, when the kitchen air conditioner operates at the first cooling power, it ensures that the user will not feel hot during the second cooking duration, provided that the kitchen ambient temperature is not higher than the set kitchen ambient temperature and the first temperature is higher than the third set temperature. When the second duration exceeds the second set time, it indicates that the current cooking time has lasted for a considerable period. Considering that the cooling capacity of the kitchen air conditioner at the first cooling power is limited, in order to match the current cooking situation, it is necessary to open the control valve to provide a continuous supply of cooling water to the condenser for heat exchange, ensuring the continuous cooling capacity of the kitchen air conditioner, thereby regulating the cooking ambient temperature and allowing the user to cook comfortably, thus improving the user experience.

[0161] It's important to note that in the kitchen, the cool air is positioned lower than the warm air. Normally, when a kitchen air conditioner is cooling, the second temperature setting will be slightly lower than the first. Therefore, the temperature rise of the second setting is relatively slow. However, if the second temperature exceeds the fourth setting within the second set time, it indicates that the heat generated by the kitchen appliances is exceptionally high, far exceeding the temperature control capacity of the kitchen air conditioner. This causes the temperature around the appliances to rise rapidly, resulting in significant discomfort for the user. Therefore, in this situation, it's necessary to activate the second cooling power of the kitchen air conditioner to enhance its cooling effect and simultaneously improve its continuous cooling capacity.

[0162] In this embodiment, the second set time, the third set temperature, and the fourth set temperature can all be set according to actual needs.

[0163] Figure 15 The flowchart of the kitchen air conditioner control method in this embodiment of the invention. Figure 4 Please refer to Figure 15 Optionally, the control method for the kitchen air conditioner includes the following steps prior to S100:

[0164] S10: Obtain the humidity of the kitchen environment.

[0165] S20: Compare the ambient humidity of the kitchen with the set ambient humidity level.

[0166] If the ambient humidity in the kitchen is higher than the set ambient humidity, execute S30. If the ambient humidity in the kitchen is not higher than the set ambient humidity, execute S100.

[0167] S30: Turn on the fan.

[0168] The kitchen humidity setting can be adjusted as needed. When the humidity in the kitchen is too high, it can also cause discomfort for the user. By comparing the actual kitchen humidity with the set humidity, and turning on the fan when the actual kitchen humidity is higher than the set humidity, the user's discomfort can be effectively alleviated.

[0169] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A control method for a kitchen air conditioner, the kitchen air conditioner comprising a compressor, a condenser, a throttling device, and an evaporator connected sequentially via pipes to form a refrigerant circulation path, the kitchen air conditioner further comprising a fan and a heat exchange device, the fan being used to drive airflow through the evaporator and output it into the kitchen, the heat exchange device being used to exchange heat with the condenser, characterized in that, The control method for the kitchen air conditioner includes: S100: Obtain the oil fume concentration in the cooking area, which includes a first oil fume concentration at a first height point near the cookware and a second oil fume concentration at a second height point, wherein the first height point is higher than the second height point; the first height point corresponds to a position on the upper body of the user, and the second height point corresponds to a position on the lower body of the user; the oil fume concentration in the cooking area can reflect the temperature of the cookware. S200: Adjust the cooling power output of the kitchen air conditioner based on the oil fume concentration in the cooking area; S200 includes: S2010: Determine the magnitude of the first oil fume concentration compared to the first set oil fume concentration and the second set oil fume concentration, and the magnitude of the second oil fume concentration compared to the first set oil fume concentration and the second set oil fume concentration, wherein the second set oil fume concentration is greater than the first set oil fume concentration; If either the first oil fume concentration or the second oil fume concentration is less than the first set oil fume concentration, and the other is between the first set oil fume concentration and the second set oil fume concentration, then execute S2020; S2020: The kitchen air conditioner outputs the first cooling power.

2. The control method for a kitchen air conditioner according to claim 1, characterized in that, In S2010, if either the first oil fume concentration or the second oil fume concentration is greater than the second set oil fume concentration, then S2030 is executed. S2030: The kitchen air conditioner outputs a second cooling power.

3. The control method for a kitchen air conditioner according to claim 1, characterized in that, In S2010, if both the first oil fume concentration and the second oil fume concentration are between the first set oil fume concentration and the second set oil fume concentration, then S2040 is executed. S2040: The kitchen air conditioner outputs a second cooling power.

4. The control method for a kitchen air conditioner according to claim 1, characterized in that, In S2010, If both the first oil fume concentration and the second oil fume concentration are less than the first set oil fume concentration, then execute S300. S300: Obtains the ambient temperature of the kitchen; S400: Obtain the cooking environment temperature, which includes a first temperature at a first height point near the cookware and a second temperature at a second height point, wherein the first height point is higher than the second height point; S500: Adjust the cooling power output of the kitchen air conditioner based on the kitchen ambient temperature and the cooking ambient temperature.

5. The control method for a kitchen air conditioner according to claim 4, characterized in that, The S500 includes: S5010: Determine whether the kitchen ambient temperature is higher than the set kitchen ambient temperature, and whether the first temperature is higher than the first set temperature, wherein the first set temperature is higher than the set kitchen ambient temperature; If the kitchen ambient temperature is higher than the set kitchen ambient temperature, and the first temperature is higher than the first set temperature, then execute S5020; S5020: The kitchen air conditioner outputs a first cooling power and accumulates a first duration during which the first temperature is higher than the first set temperature.

6. The control method for a kitchen air conditioner according to claim 5, characterized in that, The S500 also includes those located after the S5020: S5030: Determine whether the first duration exceeds the first set time and whether the second temperature exceeds the second set temperature, wherein the second set temperature is higher than the set kitchen ambient temperature and lower than the first set temperature; If the first duration exceeds the first set time, or the second temperature exceeds the second set temperature, then execute S5040; S5040: The kitchen air conditioner outputs a second cooling power, which is higher than the first cooling power.

7. The control method for a kitchen air conditioner according to claim 5, characterized in that, In S5010, if the kitchen ambient temperature is higher than the set kitchen ambient temperature, and the first temperature is not higher than the first set temperature, then S5050 is executed. S5050: Turn on the fan.

8. The control method for a kitchen air conditioner according to claim 5, characterized in that, In S5010, if the kitchen ambient temperature is not higher than the set kitchen ambient temperature, and the first temperature is higher than the first set temperature, then S5060 is executed. S5060: Turn on the fan.

9. The control method for a kitchen air conditioner according to claim 8, characterized in that, The S500 also includes those located after the S5060: S5070: Determine whether the first temperature is higher than the third set temperature, wherein the third set temperature is higher than the first set temperature; If the first temperature is higher than the third set temperature, then execute S5080. S5080: The kitchen air conditioner outputs a first cooling power and accumulates a second duration during which the first temperature is higher than the third set temperature.

10. The control method for a kitchen air conditioner according to claim 9, characterized in that, The S500 also includes those located after the S5080: S5090: Determine whether the second duration exceeds the second set time and whether the second temperature exceeds the fourth set temperature, wherein the fourth set temperature is higher than the set kitchen ambient temperature and lower than the third set temperature; If the second duration exceeds the second set time, or the second temperature exceeds the fourth set temperature, then execute S5100; S5100: The kitchen air conditioner outputs a second cooling power, which is higher than the first cooling power.

11. A kitchen air conditioner, characterized in that, The control method for implementing the kitchen air conditioner according to any one of claims 1-10, the kitchen air conditioner includes a compressor, a condenser, a throttling device and an evaporator connected in sequence through pipelines to form a refrigerant circulation path, the kitchen air conditioner also includes a fan and a heat exchange device, the fan is used to drive air to flow through the evaporator and output to the kitchen, and the heat exchange device is used to exchange heat with the condenser.

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