WO2019075991A1

WO2019075991A1 - Range hood, range hood cleaning device and control method therefor

Info

Publication number: WO2019075991A1
Application number: PCT/CN2018/080786
Authority: WO
Inventors: 杨星星; 季俊生; 黎本锋
Original assignee: 广东美的厨房电器制造有限公司; 美的集团股份有限公司
Priority date: 2017-10-19
Filing date: 2018-03-28
Publication date: 2019-04-25
Also published as: JP2019535986A; EP3499134A1; EP3499134A4

Abstract

A range hood, a range hood cleaning device and a control method therefor. The cleaning device comprises: a water pump (100), the water pump (100) being used for extracting a cleaning fluid when the water pump is turned on; a heating assembly (200), the heating assembly (200) being connected to the water pump (100); a temperature sensor (300), the temperature sensor (300) being provided corresponding to the heating assembly (200) and used for detecting the temperature of the heating assembly (200); a spray pipe (400), the spray pipe (400) being connected to the heating assembly (200); and a control module (500), the control module (500) being separately connected to the water pump (100), the heating assembly (200), and the temperature sensor (300). The control module (500) controls the heating assembly (200) to heat when a range hood starts a cleaning process, and after the temperature of the heating assembly (200) reaches a first preset temperature for the first time, controls the water pump (100) to be on for a first preset duration and off for a second preset duration during each cleaning period; when the water pump (100) is turned on, the cleaning fluid is extracted into the heating assembly (200) for heating so as to generate a high-temperature and high-pressure vapor mixture, and the vapor mixture is sprayed out from the spray pipe (400) to clean the range hood. The cleaning device can improve the effect of cleaning a range hood.

Description

Range hood, range hood cleaning device and control method thereof

Technical field

The invention relates to the technical field of household appliances, in particular to a cleaning device for a range hood, a range hood, a control method for a cleaning device of a range hood and a non-transitory computer readable storage medium.

Background technique

After a long time of work, the range hood will have more and more oil inside, which will lead to its performance degradation (such as increased noise, reduced air volume, increased power consumption, etc.), and its internal bacteria and mold are prone to occur. The range hood needs to be cleaned after working for a period of time.

At present, the cleaning methods of the range hood on the market mainly include hot water washing and steam cleaning. Due to its low temperature, the hot water cleaning has poor cleaning effect. At the same time, the hot water cleaning has no phase change due to the water in the heating process, and the volume change is small. The impact force only depends on the large flow rate provided by the water pump, and the cleaning pressure is small; the steam cleaning is due to the steam. After a certain distance of spraying, the temperature drops rapidly under the action of expansion work. On the one hand, the distance between the nozzle and the cleaning surface is very close, and on the other hand, the cleaning temperature is still difficult to maintain at a high level. Therefore, the cleaning effect of the above-mentioned cleaning method for the range hood has yet to be improved.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the above-mentioned techniques to some extent. To this end, an object of the present invention is to provide a cleaning device for a range hood that not only has a large cleaning pressure, but also has a high cleaning temperature and a slow decay, thereby greatly improving the cleaning effect of the range hood.

A second object of the present invention is to provide a range hood.

A third object of the present invention is to provide a method of controlling a cleaning device for a range hood.

A fourth object of the present invention is to provide a non-transitory computer readable storage medium.

In order to achieve the above object, a cleaning device for a range hood according to a first aspect of the present invention includes: a water pump for extracting a cleaning liquid when being opened; a heating assembly, the heating assembly and the water pump Connected; a temperature sensor, the temperature sensor is disposed corresponding to the heating component, the temperature sensor is configured to detect a temperature of the heating component; a nozzle, the nozzle is connected to the heating component; a control module, the control The module is respectively connected to the water pump, the heating component and the temperature sensor, and the control module controls the heating component to heat when the range hood starts the cleaning program, and reaches the first temperature at the temperature of the heating component for the first time. After the preset temperature, the water pump is controlled to be turned on for a first preset time and a second preset time is turned off in each cleaning cycle, wherein the cleaning liquid is pumped into the heating assembly when the water pump is turned on Heating is performed to generate a high temperature and high pressure water vapor mixture which is sprayed from the nozzle to clean the range hood.

According to the cleaning device of the range hood of the embodiment of the invention, the control module is respectively connected with the water pump, the heating component and the temperature sensor, and the control module controls the heating component to be heated when the range hood starts the cleaning process, and reaches the temperature of the heating component for the first time. After the first preset temperature, the water pump is controlled to be turned on for a first preset time and a second preset time is closed during each cleaning cycle, wherein when the water pump is turned on, the cleaning liquid is pumped into the heating assembly to generate high temperature and high pressure. The water vapor mixture and the water vapor mixture are sprayed from the nozzle to clean the range hood, thereby not only the cleaning pressure is large, but also the cleaning temperature is high and the attenuation is slow, so that the cleaning effect of the range hood can be greatly improved.

In addition, the cleaning device of the range hood according to the above embodiment of the present invention may further have the following additional technical features:

Further, the heating assembly includes a liquid storage chamber and a heating element disposed corresponding to the liquid storage chamber, an inlet of the liquid storage chamber is connected to the water pump, and an outlet of the liquid storage chamber is connected to the nozzle.

Further, the control module includes: a timer, configured to time the first preset time, the second preset time, and a duration of the cleaning program; a power unit, the power source The unit is connected to the heating element and the water pump, respectively, wherein the power unit controls the heating element to turn on heating by supplying power to the heating element, and controls power by supplying power to the water pump or stopping power supply. The pump is turned on or off.

Further, the cleaning device of the range hood further includes: a pressure relief valve disposed between the water pump and the inlet of the liquid storage chamber for pressure in the liquid storage chamber The pressure relief is turned on when the pressure threshold is exceeded.

The first preset temperature is 120-160 ° C.

The first preset time is 1 to 3 s, the second preset time is 3 to 8 s, and the duration of the cleaning procedure is 4 to 12 minutes.

In order to achieve the above object, a range hood according to a second aspect of the present invention includes the cleaning device of the range hood provided by the first aspect of the present invention.

According to the range hood of the embodiment of the invention, the cleaning device not only has a higher cleaning pressure, but also has a higher cleaning temperature and a slower decay, so that the cleaning effect is better.

In order to achieve the above object, a control method of a cleaning device for a range hood according to a third aspect of the present invention, wherein the cleaning device comprises a water pump, a heating assembly, a temperature sensor and a nozzle, wherein the water pump is used for Extracting a cleaning fluid when it is opened, the heating assembly is connected to the water pump, the temperature sensor is disposed corresponding to the heating component, the temperature sensor is configured to detect a temperature of the heating component, and the nozzle and the heating component Connected, the control method includes the steps of: controlling the heating component to be heated when the range hood starts the cleaning process; and controlling the location in each cleaning cycle after the temperature of the heating component reaches the first preset temperature for the first time The water pump is turned on for a first preset time and the second preset time is turned off, wherein when the water pump is turned on, the cleaning liquid is pumped into the heating assembly to be heated to generate a high temperature and high pressure water vapor mixture, the water vapor The mixture is sprayed from the nozzle to clean the range hood.

According to the control method of the cleaning device of the range hood according to the embodiment of the present invention, the heating unit is controlled to be heated when the range hood starts the cleaning program, and after each time the temperature of the heating unit reaches the first preset temperature, in each cleaning cycle The internal control water pump is turned on for a first preset time and a second preset time is closed, wherein when the water pump is turned on, the cleaning liquid is pumped into the heating assembly for heating to generate a high temperature and high pressure water vapor mixture, and the water vapor mixture is ejected by the nozzle The range hood is cleaned, whereby not only the cleaning pressure is large, but also the cleaning temperature is high and the attenuation is slow, so that the cleaning effect of the range hood can be greatly improved.

In addition, the control method of the cleaning device of the range hood according to the above embodiment of the present invention may further have the following additional technical features:

The first preset temperature is 120-160 ° C.

The first preset time is 1 to 3 s, the second preset time is 3 to 8 s, and the cleaning time period is 4 to 12 minutes.

In order to achieve the above object, a non-transitory computer readable storage medium according to an embodiment of the present invention, wherein a computer program is stored thereon, and when the program is executed by the processor, the oil absorption proposed by the embodiment of the third aspect of the present invention is implemented. The control method of the cleaning device of the hood.

According to the non-transitory computer readable storage medium of the embodiment of the present invention, the cleaning effect of the range hood can be greatly improved by executing the computer program stored therein.

DRAWINGS

1 is a block diagram showing a cleaning device of a range hood according to an embodiment of the present invention;

2 is a schematic structural view of a cleaning device of a range hood according to an embodiment of the present invention;

3 is a schematic structural view of a cleaning device of a range hood according to an embodiment of the present invention;

4 is a control graph of a cleaning device of a range hood according to an embodiment of the present invention;

Fig. 5 is a flow chart showing a control method of a cleaning device of a range hood according to an embodiment of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

Hereinafter, a cleaning device for a range hood, a range hood, and a control method thereof according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a block schematic view of a cleaning device of a range hood according to an embodiment of the present invention.

As shown in FIG. 1, a cleaning device for a range hood according to an embodiment of the present invention includes a water pump 100, a heating assembly 200, a temperature sensor 300, a nozzle 400, and a control module 500.

The water pump 100 is used to extract the cleaning liquid when it is turned on; the heating assembly 200 is connected to the water pump 100; the temperature sensor 300 is disposed corresponding to the heating assembly 200, the temperature sensor 300 is used to detect the temperature of the heating assembly 200; and the nozzle 400 is connected to the heating assembly 200. The control module 500 is connected to the water pump 100, the heating assembly 200 and the temperature sensor 300, respectively. The control module 500 controls the heating assembly 200 to heat when the range hood starts the cleaning process, and reaches the first preset for the first time at the temperature of the heating assembly 200. After the temperature, the water pump 100 is controlled to be turned on for a first preset time and a second preset time is turned off during each cleaning cycle, wherein when the water pump 100 is turned on, the cleaning liquid is pumped into the heating assembly 200 for heating to generate high temperature and high pressure. The water vapor mixture, the water vapor mixture is sprayed from the nozzle 400 to clean the range hood.

As shown in FIG. 2, the cleaning apparatus of the embodiment of the present invention may further include a water cup 600 for storing a cleaning liquid such as water, oil decomposition liquid or a mixture of water and oil decomposition liquid. As shown in FIG. 3, the inlet of the water pump 100 can be connected to the water cup 600 through the first water pipe 01 to extract the cleaning liquid from the water cup 600 when the water pump 100 is turned on.

As shown in FIG. 2 and FIG. 3, the heating assembly 200 may include a liquid storage chamber 210 and a heating element 220 disposed corresponding to the liquid storage chamber 210. The inlet of the liquid storage chamber 210 is connected to the water pump 100 through the second water tube 02, and the liquid storage chamber 210 The outlet is connected to the joint 211 through the third water pipe 03 to be connected to the nozzle 400.

As shown in FIG. 2, the cleaning apparatus of the embodiment of the present invention may further include a pressure relief valve 700 disposed between the water pump 100 and the inlet of the liquid storage chamber 210 so that the pressure in the liquid storage chamber 210 is greater than the pressure. The pressure relief is turned on at the threshold. In one embodiment of the invention, the pressure relief valve 700 can be integrated into the water pump 100 or at the outlet of the water pump 100.

As shown in FIG. 3, the control module 500 can be disposed on the control board, and the control module 500 can be connected to the water pump 100 through the first power line 04, and connected to the heating assembly 200 through the second power line 05 to be the water pump 100 and the heating assembly. 200 for power supply. The control module 500 is also coupled to the temperature sensor 300 via a wire 06 to power the temperature sensor 300 and receive the temperature detected by the temperature sensor 300.

In an embodiment of the present invention, the control module 500 may include a timer and a power supply unit, wherein the timer is configured to time the first preset time, the second preset time, and the duration of the cleaning program; The heating element 220 is coupled to the water pump 100, wherein the power unit controls the heating element to turn on heating by powering the heating element 220, and controls the water pump 100 to be turned on or off by powering or stopping the power supply to the water pump 100.

Specifically, when the range hood initiates the cleaning procedure, the power unit in the control module 500 can power the heating element 220 to control the heating element 220 to turn on and heat the reservoir chamber 210. As shown in Figure 4, the heating element 220 continues to open throughout the cleaning process.

Temperature sensor 300 can detect the temperature of heating element 220 or reservoir 210. As shown in FIG. 4, after the heating element 220 is turned on, the temperature of the heating assembly 200 detected by the temperature sensor 300 continues to rise. When the temperature of the heating assembly 200 reaches the first preset temperature, that is, the temperature t point for the first time, the control module The power supply unit in 500 can power the water pump 100 to control the water pump 100 to be turned on to draw the cleaning liquid and pump it into the liquid storage chamber 210. Since the temperature of the heating assembly 200 reaches the first preset temperature, that is, the temperature of the liquid storage chamber 210 is high, and the cleaning liquid is pumped to the liquid storage chamber 210, it can be instantaneously vaporized and instantaneously expanded to generate high pressure steam and high temperature liquid cleaning liquid. , that is, a mixture of water vapor. As shown in FIG. 2, the nozzle 400 includes a plurality of injection holes 410. The high pressure steam and the high temperature liquid cleaning liquid can be sprayed through a plurality of injection holes 410 to a position in the range hood that needs to be cleaned under high pressure pushing. The heat carried by the high-temperature liquid cleaning solution can reduce the heat loss of the steam during the spraying process, and the impact force of the steam, that is, the cleaning pressure is large, so that the water-vapor mixture can effectively clean the range hood. As shown in Fig. 4, the cleaning pressure, i.e., the pressure of the reservoir chamber 210, increases with the instantaneous heating of the cleaning fluid and decreases as the water vapor mixture is ejected. Wherein, the first preset temperature is a temperature which can instantaneously vaporize and instantaneously expand when the cleaning liquid is pumped to the liquid storage chamber 210, and generates a high pressure steam and a high temperature liquid cleaning liquid. In a specific embodiment of the present invention, the first The preset temperature is 120 to 160 °C.

It should be understood that as the cleaning fluid continues to enter, the temperature of the reservoir 210 may decrease as the cleaning fluid absorbs heat. That is, after the water pump 100 is turned on for a period of time as shown in FIG. 4, the temperature of the heating assembly 200 may decrease. When the temperature of the heating assembly 200 is low, the cleaning pressure may be difficult to meet the cleaning requirements. Therefore, in the embodiment of the present invention, when the opening time of the water pump 100 is counted by the timer to the first preset time T1, the water pump 100 can be controlled to be turned off to raise the temperature of the heating assembly 200 again. After maintaining the closed state of the water pump 100 by the timer to reach the second preset time T2, the water pump 100 can be controlled to be turned on again to increase the cleaning pressure again to spray the high pressure steam and the high temperature liquid cleaning liquid into the range hood. The cleaning position enables cleaning of the range hood.

Further, as shown in FIG. 4, the time period T from when the temperature of the heating assembly 200 reaches the first preset temperature for the first time to the end of the cleaning process may include a plurality of cleaning cycles, and each cleaning cycle may be divided into the first preset time. T1 and the second preset time T2, and controlling the water pump 100 to be turned on at the first preset time T1, and controlling the water pump 100 to be turned off at the second preset time T2. That is to say, the above-described process of controlling the water pump 100 to turn on the first preset time T1 and the second preset time T2 can be performed cyclically to achieve pulse cleaning of the range hood. In a specific embodiment of the present invention, the first preset time is 1 to 3 s, the second preset time is 3 to 8 s, and the duration of the cleaning procedure is 4 to 12 minutes. The entire cleaning procedure can include 20 to 160 cleaning cycles, ie 20 to 160 pulse cleanings can be performed throughout the cleaning procedure.

In other embodiments of the present invention, the water pump 100 may be controlled to be turned on whenever the temperature of the heating assembly 200 reaches the first preset temperature, and the water pump 100 is controlled to be turned off when the opening time of the water pump 100 reaches the first predetermined time. In this way, it is not necessary to time the second preset time, and the cleaning cycle can be determined according to the temperature of the heating assembly 200 and the first preset time.

Corresponding to the above embodiment, the present invention also proposes a range hood.

The range hood of the embodiment of the present invention includes the cleaning device of the range hood provided by the above-mentioned embodiments of the present invention. For the specific embodiment, reference may be made to the above embodiments. To avoid redundancy, details are not described herein.

Corresponding to the above embodiments, the present invention also provides a control method of a cleaning device for a range hood.

Referring to the above embodiment and FIG. 1 to FIG. 3, the cleaning device of the embodiment of the invention comprises a water pump, a heating component, a temperature sensor and a nozzle. The water pump is used for extracting the cleaning liquid when the water is turned on, the heating component is connected with the water pump, and the temperature sensor is heated correspondingly. The component is set, the temperature sensor is used to detect the temperature of the heating component, and the nozzle is connected to the heating component.

As shown in FIG. 5, a method for controlling a cleaning device of a range hood according to an embodiment of the present invention includes the following steps:

S1, controlling the heating component to heat when the range hood starts the cleaning process.

S2, after the temperature of the heating component reaches the first preset temperature for the first time, the water pump is controlled to be turned on for a first preset time and the second preset time is turned off in each cleaning cycle, wherein when the water pump is turned on, the cleaning liquid is pumped to The heating element is heated to generate a high temperature and high pressure water vapor mixture, and the water vapor mixture is sprayed from the nozzle to clean the range hood.

In one embodiment of the invention, the heating assembly includes a reservoir chamber and a heating element disposed corresponding to the reservoir chamber, the inlet of the reservoir chamber being coupled to the water pump, and the outlet of the reservoir chamber being coupled to the nozzle.

Specifically, when the range hood initiates the cleaning procedure, the heating element can be powered to control the heating element to open and to heat the reservoir. As shown in Figure 4, the heating element is continuously turned on throughout the cleaning process.

The temperature sensor detects the temperature of the heating element or reservoir. As shown in FIG. 4, after the heating element is turned on, the temperature of the heating component detected by the temperature sensor continues to rise. When the temperature of the heating component reaches the first preset temperature, that is, the temperature t point for the first time, the water pump can be powered. The water pump is controlled to open to draw the cleaning fluid and pump it into the reservoir. Since the temperature of the heating component reaches the first preset temperature, that is, the temperature of the liquid storage chamber is high, and the cleaning liquid is pumped to the liquid storage chamber, it can be instantaneously vaporized and instantaneously expanded to generate high pressure steam and high temperature liquid cleaning liquid, that is, water vapor. mixture. As shown in Fig. 2, the nozzle includes a plurality of nozzle holes, and the high-pressure steam and the high-temperature liquid cleaning liquid can be sprayed through a plurality of nozzle holes to a position in the range hood that needs to be cleaned under high pressure pushing. The heat carried by the high-temperature liquid cleaning solution can reduce the heat loss of the steam during the spraying process, and the impact force of the steam, that is, the cleaning pressure is large, so that the water-vapor mixture can effectively clean the range hood. As shown in Fig. 4, the cleaning pressure, that is, the pressure of the liquid storage chamber, may increase as the cleaning liquid is heated instantaneously, and decreases as the water vapor mixture is ejected. Wherein, the first preset temperature is a temperature which can instantaneously vaporize and instantaneously expand when the cleaning liquid is pumped to the liquid storage chamber, and generates a high pressure steam and a high temperature liquid cleaning liquid. In a specific embodiment of the present invention, the first pre-preparation The temperature is set to 120 to 160 °C.

It should be understood that as the cleaning fluid continues to enter, the temperature of the reservoir may decrease as the cleaning fluid absorbs heat. That is, after the water pump is turned on for a period of time as shown in FIG. 4, the temperature of the heating assembly may decrease. When the temperature of the heating element is low, the cleaning pressure may be difficult to meet the cleaning requirements. Therefore, in the embodiment of the present invention, when the opening time of the water pump reaches the first preset time T1, the water pump can be controlled to be turned off so that the temperature of the heating assembly rises again. After the closed state of the water pump is maintained to reach the second preset time T2, the water pump can be controlled to be turned on again to increase the cleaning pressure again to spray the high pressure steam and the high temperature liquid cleaning liquid to the position in the range hood that needs to be cleaned. Cleaning of the range hood.

Further, as shown in FIG. 4, the time period T from the temperature of the heating component reaching the first preset temperature for the first time to the end of the cleaning process may include a plurality of cleaning cycles, and each cleaning cycle may be divided into a first preset time T1. And a second preset time T2, and controlling the water pump to be turned on at the first preset time T1, and controlling the water pump to be turned off at the second preset time T2. That is to say, the above process of controlling the water pump to start the first preset time T1 and the second preset time T2 can be performed cyclically to achieve pulse cleaning of the range hood. In a specific embodiment of the present invention, the first preset time is 1 to 3 s, the second preset time is 3 to 8 s, and the duration of the cleaning procedure is 4 to 12 minutes. The entire cleaning procedure can include 20 to 160 cleaning cycles, ie 20 to 160 pulse cleanings can be performed throughout the cleaning procedure.

In other embodiments of the invention, the water pump is also turned on whenever the temperature of the heating assembly reaches a first predetermined temperature, and the water pump is turned off when the water pump opening time reaches a first predetermined time. In this way, it is not necessary to time the second preset time, and the cleaning cycle can be determined according to the temperature of the heating component and the first preset time.

Corresponding to the above embodiments, the present invention also proposes a non-transitory computer readable storage medium.

The non-transitory computer readable storage medium of the embodiment of the present invention has a computer program stored thereon, wherein when the program is executed by the processor, the control method of the cleaning device of the range hood provided by the above embodiment of the present invention can be implemented.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Out, Clockwise, Counterclockwise, Axial The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or The elements must have a particular orientation, are constructed and operated in a particular orientation and are therefore not to be construed as limiting.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification and features of various embodiments or examples may be combined and combined without departing from the scope of the invention.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A cleaning device for a range hood, comprising:

a water pump for extracting a cleaning liquid when it is turned on;

Heating the assembly, the heating assembly being coupled to the water pump;

a temperature sensor, wherein the temperature sensor is disposed corresponding to the heating component, and the temperature sensor is configured to detect a temperature of the heating component;

a nozzle connected to the heating assembly;

a control module, the control module being respectively connected to the water pump, the heating component and the temperature sensor, the control module controlling the heating component to be heated when the range hood starts a cleaning program, and in the heating component After the temperature reaches the first preset temperature for the first time, the water pump is controlled to be turned on for a first preset time and a second preset time is turned off in each cleaning cycle, wherein the cleaning liquid is pumped when the water pump is turned on. Heating into the heating assembly to generate a high temperature and high pressure water vapor mixture is sprayed from the nozzle to clean the range hood.
A cleaning device for a range hood according to claim 1, wherein said heating assembly comprises a liquid storage chamber and a heating element corresponding to said liquid storage chamber, and an inlet of said liquid storage chamber is connected to said water pump The outlet of the liquid storage chamber is connected to the nozzle.
The cleaning device of the range hood according to claim 2, wherein the control module comprises:

a timer for timing the first preset time, the second preset time, and the duration of the cleaning program;

a power supply unit, the power supply unit being respectively connected to the heating element and the water pump, wherein the power supply unit controls the heating element to turn on heating by supplying power to the heating element, and by supplying power to the water pump or Power is stopped to control the water pump to be turned on or off.
The cleaning device for a range hood according to claim 3, further comprising:

A pressure relief valve is disposed between the water pump and an inlet of the reservoir to open a pressure relief when a pressure within the reservoir is greater than a pressure threshold.
The cleaning device for a range hood according to any one of claims 1 to 4, wherein the first preset temperature is 120 to 160 °C.
The cleaning device for a range hood according to claim 5, wherein the first preset time is 1 to 3 s, the second preset time is 3 to 8 s, and the duration of the cleaning program is 4 to 12 minutes.
A range hood, comprising the cleaning device of the range hood according to any one of claims 1-6.
A control method for a cleaning device of a range hood, characterized in that the cleaning device comprises a water pump, a heating assembly, a temperature sensor and a nozzle, the water pump is for extracting a cleaning liquid when being opened, the heating assembly and the heating device The water pump is connected, the temperature sensor is disposed corresponding to the heating component, the temperature sensor is used to detect the temperature of the heating component, and the nozzle is connected to the heating component, and the control method comprises the following steps:

Controlling the heating assembly to heat when the range hood starts the cleaning procedure;

After the temperature of the heating assembly reaches the first preset temperature for the first time, the water pump is controlled to be turned on for a first preset time and a second preset time is turned off during each cleaning cycle, wherein when the water pump is turned on, The cleaning liquid is pumped into the heating assembly for heating to generate a high temperature and high pressure water vapor mixture which is sprayed from the nozzle to clean the range hood.
The control method of the cleaning device of the range hood according to claim 8, wherein the first preset temperature is 120 to 160 °C.
The control method of the cleaning device of the range hood according to claim 9, wherein the first preset time is 1 to 3 s, the second preset time is 3 to 8 s, and the cleaning time period is It is 4 to 12 minutes.
A non-transitory computer readable storage medium having stored thereon a computer program, wherein the program is executed by a processor to implement the cleaning device of the range hood according to any one of claims 8-10 Control Method.