WO2015027586A1 - 吸油烟机、吸油烟机的清洗装置及其控制方法 - Google Patents
吸油烟机、吸油烟机的清洗装置及其控制方法 Download PDFInfo
- Publication number
- WO2015027586A1 WO2015027586A1 PCT/CN2013/087696 CN2013087696W WO2015027586A1 WO 2015027586 A1 WO2015027586 A1 WO 2015027586A1 CN 2013087696 W CN2013087696 W CN 2013087696W WO 2015027586 A1 WO2015027586 A1 WO 2015027586A1
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- WIPO (PCT)
- Prior art keywords
- heater
- range hood
- temperature
- water pump
- main motor
- Prior art date
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- 238000004140 cleaning Methods 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 201
- 238000007605 air drying Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 abstract description 37
- 239000012459 cleaning agent Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 16
- 238000010186 staining Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000003599 detergent Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004792 oxidative damage Effects 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Definitions
- Range hood Range hood cleaning device and control method thereof
- the invention relates to the technical field of kitchen appliances, in particular to a cleaning device for a range hood, a range hood and a control method thereof.
- the range hood is a household appliance for removing soot gas used in the kitchen environment.
- a large amount of oil is accumulated on the surface of the hood and the screen of the hood. If the oil is not cleaned for a long time, it will become difficult to remove. Moreover, excessive oil contamination can cause clogging and increased load on the impeller and filter screen, which in turn affects the use effect of the range hood. Therefore, it is necessary to clean the inside of the range hood.
- the existing technical solutions for cleaning the range hood mainly include the traditional cleaning method and the technical scheme of automatic cold water cleaning.
- the traditional cleaning method is to manually clean the range hood after using the water or detergent.
- the cleaning method for manual cleaning is not only labor-intensive, complicated, time-consuming, labor-intensive, but also uses a lot of water, and the use of detergents is also not conducive to environmental protection.
- the existing automatic cleaning structure of the range hood is automatically cleaned by cold water to clean the hood. However, since the oil is insoluble in cold water, the oil can not be completely removed, which affects the user's use effect. Summary of the invention
- the object of the present invention is to solve the above technical problems at least to some extent.
- the object of the present invention is to provide a cleaning device for a range hood, a range hood, which is environmentally friendly, water-saving and capable of completely removing oil stains, and a control method thereof.
- a first aspect of the present invention provides a cleaning device for a range hood, comprising: a water pump; a heater, the heater being connected to the water pump; a nozzle, the nozzle and the nozzle a heater connected; and a controller, the controller being connected to the water pump and the heater, the controller starting or shutting down the water pump and the heater according to a washing instruction, and controlling the heater to perform Heating, controlling the water pump and the heater to heat-clean the range hood after the heater is preheated, and controlling the heater to dry after the hot cleaning of the range hood is completed
- the internal water stain of the heater and/or the main motor in the range hood is controlled to air dry the internal water stain of the range hood.
- a cleaning device for a range hood water vapor and/or heat generated by a heater
- Water cleaning of the oil hood of the range hood not only completely removes oil, but also protects the environment and saves water. At the same time, the entire cleaning process is completed automatically, without the need for manual disassembly and assembly, which is more convenient to use, brings convenience to people's lives, and improves the user's use effect.
- the cleaning hood of the present invention does not require the use of a cleaning agent, and is therefore more environmentally friendly.
- the controller controls the water pump Turn on to perform hot cleaning of the range hood.
- the controller controls the temperature when the temperature of the heater is greater than a preset limit temperature value KP
- the water pump, the heater and the main motor are turned off; when the temperature of the heater is less than or equal to the over limit preset temperature value KP and greater than the water pump on temperature preset value KN, the controller controls the water pump Turning on, wherein KN ⁇ KP; when the temperature of the heater is less than the water pump off temperature preset value KF, the controller controls the water pump to be turned off, wherein KF ⁇ KN.
- the hot cleaning cycle timer and the main motor jog cycle timer in the controller start timing, wherein When the timing of the main motor jog cycle timer is less than the jog effective preset value TK2, the controller controls the main motor to be turned on; when the timing of the main motor jog cycle timer is greater than or equal to the point When the effective preset value TK2 is activated, the controller controls the main motor to be turned off.
- the controller clears the main motor jog cycle timing
- the main motor jog cycle timer restarts timing, wherein TK2 ⁇ TK3; when the timing of the hot cleaning cycle timer is greater than or equal to the cleaning time preset value TK1, the controller controls the water pump The heater and the main motor are turned off, wherein ⁇ 3 ⁇ 1.
- the controller controls the heater to be turned off when the temperature of the heater is greater than a predetermined value KD of the drying temperature.
- the air-drying water-spot cycle timer in the controller starts counting, and when the air-drying water-staining cycle timer is timed longer than
- the controller controls the main motor to be turned off when it is equal to the preset value ⁇ 4 of the air-drying water stain period.
- a range hood includes the cleaning device of the range hood.
- the range hood cleans the oil of the range hood by water vapor and/or hot water generated by the heater, which not only completely removes the oil, but also protects the environment and saves water.
- the entire cleaning process is completed automatically, without the need for manual disassembly and assembly, which is more convenient to use, brings convenience to people's lives, and improves the user's use effect.
- the invention is clear It is more environmentally friendly when washing the range hood without using detergent.
- a third aspect of the present invention provides a method of controlling a cleaning device for a range hood, comprising the steps of:
- the oil stain of the range hood is cleaned by the steam and/or hot water generated by the heater, which not only completely removes oil, but also protects the environment and saves water.
- the whole cleaning process is completed automatically, no need to disassemble and install, it is more convenient to use, which brings convenience to people's life and improves the user's use effect.
- the cleaning of the range hood of the present invention eliminates the need for detergents and is therefore more environmentally friendly.
- the step S2 further includes: detecting a temperature of the heater, and controlling the water pump and the heater according to a temperature of the heater to the range hood Perform a hot wash.
- FIG. 1 is a block diagram showing a range hood according to an embodiment of the present invention.
- FIG. 2 is a schematic view of a casing of a range hood according to an embodiment of the present invention
- FIG. 3 is a schematic view of a cleaning device of a range hood according to an embodiment of the present invention.
- FIG. 4 is a schematic view of a cavity assembly of a range hood according to an embodiment of the present invention.
- Figure 5 is a control schematic diagram of a cleaning device of a range hood according to an embodiment of the present invention.
- Figure 6 is a partial circuit diagram of a cleaning device of a range hood according to an embodiment of the present invention.
- Figure 7 is a partial circuit diagram of a cleaning device of a range hood according to another embodiment of the present invention.
- Figure 8 is a flow chart showing a control method of a cleaning device of a range hood according to an embodiment of the present invention.
- Figure 10 is a flow chart showing the control of water pump opening to perform hot cleaning of the range hood according to one embodiment of the present invention
- FIG. 11 is a flow chart of controlling a heater to dry an internal water stain of a heater according to an embodiment of the present invention
- Figure 12 is a flow chart showing the control of the internal water stain of the main motor in the range hood to air-dry the range hood according to one embodiment of the present invention.
- the following disclosure provides many different embodiments or examples for implementing different structures of the present invention.
- the components and settings of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention.
- the present invention may repeat reference numerals and/or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and/or arrangements discussed.
- the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.
- the structure of the first feature described below "on" the second feature may include embodiments in which the first and second features are formed in direct contact, and may include additional features formed between the first and second features. The embodiment, such that the first and second features may not be in direct contact.
- the range hood includes a cabinet 100, a cleaning device 200, and a cavity assembly 300.
- the cleaning device 200 is used to clean the range hood
- the cavity assembly 300 is disposed on the casing 100 as shown in FIG.
- the cleaning device 200 of the range hood includes a water source 210 and a water pump 220 connected to the water source 210, a heater 230, a nozzle 240, and a controller 251.
- the inlet 231 of the heater 230 is connected to the water pump 220, and the heater 230 draws the cleaning liquid from the water source 210 through the water pump 220, and converts the cleaning liquid into water vapor and/or hot water.
- the nozzle 240 is connected to the outlet 232 of the heater 230, and water vapor and/or hot water is sprayed through the nozzle 240 to clean the range hood.
- the controller 251 is connected to the water pump 220 and the heater 230, and the controller 251 activates or deactivates the water pump 220 and the heater 230 in accordance with the cleaning command.
- the cleaning process of the cleaning device 200 of the range hood of the present invention is automatically completed, and it is more convenient to use without manual disassembly. At the same time, cleaning the range hood eliminates the need for detergents and is therefore more environmentally friendly.
- heater 230 is a heating device for generating water vapor and/or hot water, for example heater 230 is a steam generator.
- a water source 210 and a water pump 220 for pumping water and a heater 230 such as a steam generator have a conduit for water and/or steam connection, and water vapor and/or hot water generated from the heater 230 such as a steam generator finally enters.
- the nozzle 240 cleans the range hood.
- the range hood includes a main motor 270
- the controller 251 is connected to the main motor 270 of the range hood, and the main motor 270 drives the range hood through the motor shaft 271.
- the impeller in rotation rotates, and the controller 251 controls the opening and closing of the main motor 270.
- the cavity assembly 300 of the range hood includes an impeller 310, a volute (not shown), and a collection chamber 330 provided with an opening for mounting the volute .
- the volute is used to mount the main motor 270 and the impeller 310, and the collecting chamber 330 is provided with a through hole through which the nozzle 240 can pass.
- the cavity assembly 300 also includes a main motor 270 that powers the impeller 310 through a motor shaft 271.
- the range hood further includes a screen 340, a condensing plate 350, and a control panel 320 with a built-in electronic control board 252, which are known to those skilled in the art and will not be described herein.
- the cleaning device 200 further includes: a temperature The sensor 260, the temperature sensor 260 is disposed on the heater 230, and is connected to the controller 251.
- the temperature sensor 260 is used to detect the temperature of the heater 230, and the controller 251 controls the water pump 220 and the heater 230 according to the temperature of the heater 230. .
- the cleaning apparatus 200 further includes a control circuit 250, wherein the control circuit 250 further includes a controller 251, an electrical control board 252, and a power board 254. It should be noted that the controller 251 in the control circuit 250 has a dedicated program recorded in the controller 251, and the control circuit 250 can also control the start and stop of the program.
- the water pump 220, the heater 230, the nozzle 240, the control circuit 250, the temperature sensor 260, and the main motor 270 are installed inside the range hood, and the water source 210 can be externally placed in the range hood or placed In the range hood, the temperature sensor 260 is mounted against the surface of the heater 230, such as a steam generator.
- the control principle of the cleaning device 200 of the range hood is: the water pump 220, the heater 230, the temperature sensor 260, and the main motor 270 are electrically connected to the control circuit 250, respectively, and the control circuit 250 is based on the temperature sensor 260.
- the detected temperature of the heater 230 controls the water pump 220, the heater 230, and the main motor 270. That is, the control circuit 250 can obtain the temperature of the heater 230, for example, the steam generator by detecting the change of the temperature sensor 260, and the opening and closing of the heater 230, the water pump 220, and the main motor 270 are controlled by the control circuit 250.
- a dedicated program for controlling the opening and closing of the heater 230, the water pump 220, and the main motor 270 is recorded in the controller 251 in the control circuit 250.
- the controller 251 controls the heater 230 to perform preheating, and controls the water pump 220 and the heater 230 to perform hot cleaning of the range hood after the heater 230 is warmed up, and to absorb oil. After the hot cleaning of the hood is completed, the heater 230 is controlled to dry the internal water stain of the heater 230 and/or the main motor 270 is controlled to air dry the internal water stain of the hood, thereby completing the entire cleaning process.
- the controller 251 controls the heater 230 to be turned on for preheating, so that the heater 230, for example, the steam generator, is preheated to a higher temperature to ensure subsequent hot cleaning.
- the water can be fully vaporized inside the steam generator.
- the temperature sensor 260 detects the temperature of the heater 230, and when the temperature of the heater 230 is greater than the preheating temperature preset value KS, the controller 251 controls the water pump 220 to be turned on to perform hot cleaning of the range hood.
- the preheating temperature preset value KS may be 110 ° C ⁇ 120 ° C.
- the preheating temperature preset value KS is 110 °C.
- the controller 251 controls the water pump 220, the heater 230, and the main motor 270 to be turned off, that is, It is judged whether the temperature of the heater 230, for example, the steam generator is greater than the preset temperature KP of the over-limit temperature, if otherwise, the hot cleaning is continued, and if so, the steam generator is turned off to determine that the steam generator has finished the hot cleaning to enter the water stain inside the air-drying range hood.
- the over preset temperature value ⁇ may be 140 ° C ⁇ 180 ° C.
- the water pump 220 is pumping water according to the temperature of the heater 230, for example, the steam generator. Specifically, in one embodiment of the present invention, when the temperature of the heater 230 is less than or equal to the preset temperature limit value When KP is greater than the water pump opening temperature preset value KN, the controller 251 controls the water pump 220 to be turned on, wherein KN ⁇ KP; when the temperature of the heater 230 is less than the water pump closing temperature preset value KF, the controller 251 controls the water pump 220 to be turned off. Where KF ⁇ KN.
- the water pump 220 when the temperature of the heater 230, for example, the steam generator is lower than the preset value KF of the water pump closing temperature, the water pump 220 is turned off to stop pumping, which prevents the cold water from being sprayed in the hot cleaning and affects the hot cleaning effect. After the water pump 220 stops pumping, When the temperature of the steam generator reaches the preset value KN of the water pump opening temperature, the water pump 220 is resumed to pump water, so that the water can be fully vaporized inside the steam generator to ensure the hot cleaning effect.
- the over-limit preset temperature value KP may be 140 ° C ⁇ 180 ° C
- the water pump open temperature preset value KN may be 110 ° C ⁇ 120 ° C
- the water pump off temperature preset The value KF can be from 100 ° C to 110 ° C.
- the controller 251 controls the water pump 220 and the heater. 230 and the main motor 270 are turned off; when the temperature of the heater 230 is less than or equal to the over preset temperature value KP and greater than the water pump on temperature preset value KN, the controller 251 controls the water pump 220 to be turned on, wherein KN ⁇ KP; When the temperature of 230 is less than the preset value KF of the water pump closing temperature, the controller 251 controls the water pump 220 to be turned off, where KF ⁇ KN.
- the over-limit preset temperature value KP may be 140 ° C ⁇ 180 ° C
- the water pump open temperature preset value KN may be 110 ° C ⁇ 120 ° C
- the water pump off temperature preset The value KF can be from 100 ° C to 110 ° C.
- the over-preset preset temperature value KP is 150 ° C
- the water pump on temperature preset value KN is 110 ° C
- the water pump off temperature preset value KF is 100 ° C.
- the thermal cleaning in the controller 251 is performed during the thermal cleaning of the range hood
- the cycle timer T1 and the main motor jog cycle timer T2 start counting, wherein when the timing of the main motor jog cycle timer T2 is less than the jog effective preset value TK2, the controller 251 controls the main motor 270 to be turned on; When the counting time of the jog cycle timer T2 is greater than or equal to the jog effective preset value TK2, the controller 251 controls the main motor 270 to be turned off.
- the controller 251 clears the main motor jog cycle timer T2, and the main motor jog cycle timer ⁇ 2 restarts timing, wherein ⁇ 2 ⁇ 3; when the hot cleaning cycle timer T1 When the timing time is greater than or equal to the cleaning time preset value TK1, the controller 251 controls the water pump 220, the heater 230, and the main motor 270 to be turned off, where ⁇ 3 ⁇ 1.
- the cleaning time preset value TK1 may be 6 minutes to 20 minutes, and the jog effective preset value ⁇ 2 may be 0.5 seconds to 2 seconds, and 10 ⁇ 1 / ⁇ 3 70, that is, 10 ( Cleaning time preset value TK1: Jog cycle preset value ⁇ 3) 70.
- the cleaning time preset value TK1 is 12 minutes
- the jog effective preset value ⁇ 2 is 1 second
- the value range of ⁇ 3 satisfies the condition: 10 (cleaning time preset value TK1/jog period preset value ⁇ 3) 70.
- whether or not the main motor 270 is activated is determined according to whether the value of the main motor jog cycle timer ⁇ 2 of the controller 251 is smaller than the jog effective preset value ⁇ 2, the point of the embodiment
- the main motor 270 is turned off.
- the main motor jog cycle timer ⁇ 2 When the value of the main motor jog cycle timer ⁇ 2 is greater than or equal to the jog cycle preset value ⁇ 3, the main motor jog cycle The timer ⁇ 2 is cleared, and then re-timed to start a new one-time cycle.
- the main motor 270 is intermittently started several times during each hot cleaning. The short-time intermittent start of the motor drives the change of the impeller position, so that the impeller Each part can be effectively cleaned.
- the short-time intermittent start of the motor is abbreviated as jog, and the range of the preset value of the jog cycle ⁇ 3 satisfies the condition: 10 (cleaning time preset value TK1 jog cycle preset value ⁇ 3) 70, because If the number of times of jogging is too large, the impeller will continue to rotate and absorb some of the steam, which will make the hot cleaning effect worse. If the number of jogging is too small, the position of the impeller will not be cleaned.
- water stains remain in the heater 230, such as a steam generator, and the heater 230, such as a steam generator, is generally made of metal, if not steam occurs.
- the residual water stains in the device are dried. After a long time, the residual water stain, air and steam generator will cause oxidative damage to the steam generator, so it is necessary to dry the water stain inside the steam generator.
- the controller 251 controls the heater 230 to be turned off.
- the drying temperature preset value KD may be 130 ° C ⁇ 150 ° C.
- the drying temperature preset value KD is 150 °C.
- the drying heater 230 such as the water stain inside the steam generator, by judging the steam generator Whether the temperature is greater than the preset temperature KD of the drying temperature to determine whether to turn on the steam generator until the temperature of the steam generator is greater than the preset value KD of the drying temperature, the steam generator is turned off, and the drying temperature is preset in this embodiment.
- the value KD is 15CTC, which is much higher than the boiling temperature of water of 100 °C, which can effectively ensure that the water stain remains in the steam generator to be dried.
- the steam will condense on the metal parts such as the cleaning impeller 310 and the filter 340 to form water stains, and the water stains on the one hand breed bacteria, and the other In terms of metal parts such as impeller 310 and filter 340, it will oxidize and rust under the action of water and air, so it is necessary to air-dry the water stain inside the range hood.
- the air-drying water-spot cycle timer T3 in the controller 251 starts counting, and when the air-drying water-staining cycle timer T3 is timed, the time is greater than or equal to the air-drying water.
- the controller 251 controls the main motor 270 to be turned off.
- the preset value TK4 of the air-drying water stain period may be 3 minutes to 10 minutes.
- the preset value TK4 of the air-drying water stain period is 3 minutes.
- the main motor 270 is exhausted to speed up the air inside the range hood. Flow, so that the water stain inside the range hood is quickly dried.
- the controller 251 controls the heater 230 to be turned on for preheating, and controls the water pump 220 to be turned on after the heater 230 is warmed up to perform hot cleaning of the range hood, and after the hot cleaning of the range hood is completed
- the heater 230 is controlled to dry the internal water stain of the heater 230 and control the main motor 270 to air dry the internal water stain of the range hood, thereby completing the entire cleaning process.
- CN1 is electrically connected to the water pump 220
- CN2 is electrically connected to the main motor 270
- J1 and J4 are electrically connected to the heater 230, for example, a steam generator
- CN3 is electrically connected to the temperature sensor 260
- J2 and J3 are connected to the mains.
- the control circuit 250 includes a main control chip circuit 2501, a drive circuit 2502, a temperature measurement circuit 2503, a power supply circuit 2504, and a button and display circuit 2505.
- the main control chip circuit 2501 ie, the controller 251 records a special program for turning on and off the heater 230, the water pump 220, and the main motor 270 to complete the entire cleaning process, and the main control chip circuit 2501 can control the program. Start and stop.
- the drive circuit 2502 converts the control signal output from the master chip circuit 2501 into the pull-in or release of the relay to effect the opening or stopping of the main motor 270, the heater 230 such as the steam generator, and the water pump 220.
- the temperature measuring circuit 2503 converts the change of the temperature sensor 260 into an electrical signal.
- the power circuit 2504 converts the commercial power into a low voltage DC voltage to supply power to each circuit module circuit.
- the button and display circuit 2505 controls the start or interruption of the entire cleaning process, indicating the entire cleaning process. Next, a control method of the cleaning device 200 of the range hood will be described.
- control method of the cleaning device of the range hood includes the following steps: Sl, controlling the heater to be turned on for preheating.
- step S1 further includes:
- the preheating temperature preset value KS may be 110 ° C ⁇ 120 ° C.
- the preheating temperature preset value KS is 110 °C.
- the steam generator is preheated to a higher temperature by step S1 to ensure that the water in the subsequent hot wash is sufficiently vaporized inside the steam generator.
- step S2 further comprises: detecting a temperature of the heater and controlling the water pump and the heater to thermally clean the range hood according to the temperature of the heater.
- control method of the cleaning device of the above-mentioned range hood further includes:
- Step S201 start the hot cleaning cycle timer T1 timing, turn on the main motor jog cycle timer T2, turn on the steam generator, the heater, turn on the water pump, and proceed to the next step.
- Step S202 performing a steam generator temperature value sampling to obtain the temperature of the steam generator, and entering the next less.
- step S203 it is determined whether the temperature of the steam generator is greater than the over-limit preset temperature value KP, for example, 150 ° C. If not, the process proceeds to step S215.
- KP over-limit preset temperature value
- step S204 it is determined whether the water pump 220 is turned on. If the process proceeds to step S205, the process proceeds to step 206. In step S205, it is determined whether the temperature of the steam generator is less than the preset value KF of the water pump closing temperature, for example, 100 ° C. If the process proceeds to step S207, the process proceeds to step S208.
- Step S206 determining whether the temperature of the steam generator is greater than a preset value KN of the water pump opening temperature is, for example, 110 ° C. If the process proceeds to step S208, if no, the process proceeds to step S207.
- step S207 the water pump is turned off, and the flow proceeds to step S209.
- Step S208 the water pump is turned on, and the process proceeds to step S209.
- the water is controlled
- the pump, the heater and the main motor are turned off; when the temperature of the heater is less than or equal to the preset limit temperature value KP and greater than the preset value KN of the water pump opening temperature, the control water pump is turned on, wherein KN ⁇ KP; when the temperature of the heater is less than When the pump is turned off at the preset temperature KF, the control pump is turned off, where KF ⁇ KN.
- the over preset temperature value KP may be 140 ° C ⁇ 180 ° C
- the water pump opening temperature preset value KN may be 110 ° C ⁇ 120 ° C
- the water pump off temperature preset The value KF can be from 100 ° C to 110 ° C.
- step S209 it is determined whether the value of the main motor jog cycle timer T2 is less than the jog effective preset value TK2, for example, 1 second. If the process proceeds to step S210, if no, the process proceeds to step S211.
- Step S210 the main motor is turned on, and the process proceeds to step S212.
- step S211 the main motor is turned off, and the process proceeds to step S212.
- the hot cleaning cycle timer T1 and the main motor jog cycle timer T2 start counting, wherein when the main motor jog cycle timer T2 is timed less than the jog effective pre-
- the main motor is turned on.
- the timing of the main motor jog cycle timer T2 is greater than or equal to the jog effective preset value TK2, the main motor is controlled to be turned off.
- the jog effective preset value TK2 may be 0.5 seconds to 2 seconds.
- step S212 it is determined whether the value of the main motor jog cycle timer T2, that is, the timing time is greater than or equal to the jog cycle preset value TK3 is, for example, 12 seconds. If the process proceeds to step S213, the process proceeds to step S214.
- step S214 it is determined whether the value of the hot cleaning cycle timer T1, that is, the timing time is greater than the cleaning time preset value TK1 is, for example, 12 minutes. If the process proceeds to step S215, the process returns to step S202.
- step S215 the steam generator is turned off, the water pump is turned off, the main motor is turned off, and the next step is entered.
- the main motor jog cycle timer T2 when the timing of the main motor jog cycle timer T2 is greater than or equal to the jog cycle preset value TK3, the main motor jog cycle timer T2 is cleared, and the main motor jog cycle timer ⁇ 2 is re-established. Start timing, where ⁇ 2 ⁇ 3;
- the control water pump, heater and main motor are turned off, where ⁇ 3 ⁇ 1.
- the cleaning time preset value TK1 may be 6 minutes to 20 minutes, and the jog effective preset value ⁇ 2 may be 0.5 seconds to 2 seconds, and 10 ⁇ 1/ ⁇ 3 70, that is, 10 ( Cleaning time preset value TK1: Jog cycle preset value ⁇ 3) 70.
- the cleaning time preset value TK1 is 12 minutes
- the jog effective preset value ⁇ 2 is 1 second
- the range of the preset value ⁇ 3 satisfies the condition: 10 (cleaning time preset value TK1/jog period preset value ⁇ 3) 70.
- step S2 when the range hood is thermally cleaned, water shortage, pipe blockage, etc. Often, the temperature of a heater such as a steam generator is too high, and the temperature of a heater such as a steam generator may be too high, which may cause damage to the cleaning device or a danger of endangering personal safety. Therefore, the temperature of the heater such as the steam generator is judged. Whether it is greater than the over-limit temperature preset value KP, if otherwise, the hot cleaning is continued, if yes, the determination of the steam generator is terminated early. Step S2 The hot cleaning proceeds to step S4 to dry the internal water stain of the range hood.
- the water pump is pumped according to the temperature of the heater, for example, the steam generator.
- the temperature of the heater such as the steam generator is lower than the preset value KF of the water pump closing temperature
- the water pump is turned off to stop pumping, which can prevent the heat.
- the cold water is sprayed to affect the hot cleaning effect.
- the water pump is resumed when the temperature of the steam generator reaches the preset value of the water pump opening temperature, so that the water can be fully vaporized inside the steam generator.
- the main motor In order to enable effective cleaning of various parts of the impeller mounted on the main motor, it is determined whether the main motor is activated according to whether the value of the main motor jog cycle timer ⁇ 2 of the controller is less than the jog effective preset value ⁇ 2.
- the main motor is started 1 second before each jog cycle when the value of the main motor jog cycle timer ⁇ 2 is less than the jog effective preset value ⁇ 2. , that is, when the value of the main motor jog cycle timer ⁇ 2 is greater than or equal to the jog effective preset value ⁇ 2, the main motor is turned off.
- the main motor jog cycle timer ⁇ 2 When the value of the main motor jog cycle timer ⁇ 2 is greater than or equal to the jog cycle preset value ⁇ 3, the main motor is jogged. The cycle timer ⁇ 2 is cleared, and then re-timed to start a new one-time cycle. By this, the main motor is intermittently started several times during each hot cleaning. The short-time intermittent start of the motor drives the change of the impeller position, so that the impeller Each part can be effectively cleaned.
- the short-time intermittent start of the motor is abbreviated as jog, and the range of the preset value of the jog cycle ⁇ 3 satisfies the condition: 10 (cleaning time preset value TK1 jog cycle preset value ⁇ 3) 70, because If the number of times of jogging is too large, the impeller will continue to rotate and absorb some of the steam, which will make the hot cleaning effect worse. If the number of jogging is too small, the position of the impeller will not be cleaned.
- step S2 after the step S2 is completed, that is, after the hot cleaning of the range hood is completed, water stains remain in the heater such as the steam generator, and the heater such as the steam generator is generally made of metal, if Do not dry the water stains in the steam generator. After a long time, the residual water stain, air and steam generator will cause oxidative damage to the steam generator. Therefore, it is necessary to dry the water stain inside the steam generator and enter Step S3.
- control method of the cleaning device of the range hood further includes:
- Step S301 performing a sampling of a heater such as a steam generator temperature value to obtain the temperature of the steam generator, and proceeding to step S302.
- a heater such as a steam generator temperature value
- Step S302 determining whether the steam generator temperature value KH is greater than the drying temperature preset value KD, if it is entering In step S304, if no, the process proceeds to step S303.
- Step S303 the steam generator is turned on, and the process returns to step S301.
- Step S304 the steam generator is turned off, and the next step is entered.
- the drying temperature preset value KD may be 130 ° C ⁇ 150 ° C.
- the drying temperature preset value KD is 150 °C.
- the steam generator in the water stain of the drying heater such as the steam generator, it is determined whether the steam generator is turned on by determining whether the temperature of the steam generator is greater than a preset value KD of the drying temperature until the steam generator The temperature is greater than the preset value KD of the drying temperature to turn off the steam generator.
- the preset temperature KD of the drying temperature in this embodiment is 150 ° C, which is much higher than the boiling temperature of water of 100 ° C, which can effectively ensure the inside of the steam generator. Still water stains are dried.
- control method of the cleaning device of the range hood further includes:
- Step S401 starting the air-drying water stain cycle timer T3, turning on the main motor, and proceeding to step S402.
- Step S402 determining whether the value of the air-drying water-staining cycle timer T3, that is, the timing time is greater than or equal to the preset value TK4 of the air-drying water-staining cycle, if not, proceeding to step S403, if yes, proceeding to step S404.
- step S403 the main motor is turned on, and the process returns to step S403.
- Step S404 the main motor is turned off, and the process ends.
- the air-drying water-staining cycle timer T3 in the controller starts counting, and when the timing of the air-drying water-staining cycle timer T3 is greater than or equal to the preset value TK4 of the air-drying water-staining cycle, the control is performed.
- the main motor is off.
- the preset value TK4 of the air-drying water stain period may be 3 minutes to 10 minutes.
- the preset value TK4 of the air-drying water stain period is 3 minutes.
- the steam will condense in the metal parts such as the impeller and the filter to form water stains, and the water stains on the one hand breed bacteria.
- metal parts such as impellers and strainers will oxidize and rust under the joint action of water and air, so it is necessary to air-dry the water stain inside the range hood.
- the main motor is ventilated during the period in which the value of the air-drying and water-staining cycle timer T3 is less than or equal to the preset value TK4 of the air-drying period, and the air flow inside the range hood is accelerated. , the water stain inside the range hood is quickly air-dried, thus completing the entire cleaning process including preheating, hot cleaning, drying, and air drying.
- the present invention cleans the oil with high temperature steam, and the steam is faster than the cold water. Quickly soften and dissolve oil, so the cleaning effect of the range hood can be more thorough.
- the water consumption is also less than that of cold water cleaning.
- the cleaning time is the time required for preheating, hot cleaning, drying and air drying. The accumulation is shorter than the time taken for cold water cleaning, so it is faster.
- the cleaning device of the range hood, the range hood and the control method thereof clean the oil stain of the range hood by using water vapor and/or hot water generated by a heater such as a steam generator. Not only can it completely remove oil, it is also environmentally friendly and water-saving. At the same time, the entire cleaning process is completed automatically, without the need for manual disassembly and assembly, which is more convenient to use, brings convenience to people's lives, and improves the user's use effect. Further, the cleaning hood of the present invention does not require the use of a cleaning agent, and is therefore more environmentally friendly.
- a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport the program for use by the instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
- computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read-only memory (ROM), erasable and editable read-only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read-only memory (CDROM).
- the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method proceeds to obtain the program electronically and then store it in computer memory.
- portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
- multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
- a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented with any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals Discrete logic circuit, ASIC with suitable combination logic gate circuit, Programming Gate Array (PGA), Field Programmable Gate Array (FPGA), etc.
- each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
- the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
- the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
- the above-mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
- the description of 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.
- the schematic representation of the above terms does not necessarily mean the same embodiment or example.
- the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
Abstract
Description
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