CN109208262B - Steam generating device of washing machine, washing machine and cleaning method - Google Patents

Steam generating device of washing machine, washing machine and cleaning method Download PDF

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Publication number
CN109208262B
CN109208262B CN201811267833.9A CN201811267833A CN109208262B CN 109208262 B CN109208262 B CN 109208262B CN 201811267833 A CN201811267833 A CN 201811267833A CN 109208262 B CN109208262 B CN 109208262B
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China
Prior art keywords
water
tank body
turbidity
heater
water tank
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Active
Application number
CN201811267833.9A
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Chinese (zh)
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CN109208262A (en
Inventor
刘兆民
戴付兵
陈明宇
司徒富其
庞广海
耿彬
陈洽
胡蓉
李琦
陈波
姚宇洲
朱静
钟建富
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201811267833.9A priority Critical patent/CN109208262B/en
Publication of CN109208262A publication Critical patent/CN109208262A/en
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    • D06F39/40—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • 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
    • B08B3/04—Cleaning involving contact with liquid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The invention discloses a steam generating device of a washing machine, the washing machine and a cleaning method, wherein the steam generating device of the washing machine comprises: the water tank comprises a water tank body, a control valve assembly, a heater and a turbidity sensor, wherein the turbidity sensor comprises a first turbidity sensing unit and a second turbidity sensing unit, the water tank body comprises a water inlet and a water outlet, the first turbidity sensing unit is used for detecting the first turbidity of water flowing out along the water outlet, and the second turbidity sensing unit is used for detecting the second turbidity of water flowing in along the water inlet; and the controller is in communication connection with the heater, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit. The steam generating device of the washing machine can clean the heater when the heater stops running, ensure no scale and other residues, and improve the safety of the steam generating device of the washing machine.

Description

Steam generating device of washing machine, washing machine and cleaning method
Technical Field
The invention relates to the technical field of washing equipment, in particular to a steam generating device of a washing machine, the washing machine and a cleaning method.
Background
The steam generator of the washing machine adopts an electric heating mode to generate steam, and because of the water quality of the washing water, when the electric heater is used, scale can be easily generated on the surface of the electric heater by the washing water, the pipeline of the steam generator of the washing machine is easily blocked, explosion is easily caused under the heating condition, and the safety of a user is endangered.
Disclosure of Invention
Based on the above, aiming at the problems that when the steam generating device of the traditional washing machine is used, scale is easily generated on the surface of the electric heater by washing water, the pipeline of the steam generating device of the washing machine is easily blocked, explosion is easily caused under the heating condition, and the safety of a user is endangered, the steam generating device of the washing machine, the washing machine and the cleaning method are provided; the steam generating device of the washing machine can clean the heater when the heater stops running, so that no scale and other residues are ensured, and the safety of the steam generating device of the washing machine is improved; the washing machine comprises the steam generating device of the washing machine, so that the washing machine can clean the inside of the water tank body after washing is finished, no residues such as scale and the like are ensured, and the safety of the washing machine can be further improved; the cleaning method can clean the steam generating device of the washing machine, ensure no scale and other residues, and improve the safety of the steam generating device of the washing machine.
The specific technical scheme is as follows:
in one aspect, the present application relates to a steam generating apparatus of a washing machine, comprising: the water tank body is provided with a water inlet and a water outlet; the control valve assembly comprises a first control valve and a second control valve, the first control valve is used for controlling the opening or closing of the water outlet, and the second control valve is used for controlling the opening or closing of the water inlet; the heating part of the heater is arranged in the water tank body, and the heating part of the heater is arranged between the water outlet and the water inlet; a turbidity sensor comprising a first turbidity sensing unit for detecting a first turbidity of water flowing along the water outlet and a second turbidity sensing unit for detecting a second turbidity of water flowing along the water inlet; and the controller is in communication connection with the heater, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit.
When the steam generating device of the washing machine is used, the controller is in communication connection with the heater, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit, and when the controller receives an instruction of stopping the operation of the heater, the first control valve and the second control valve are controlled to be opened, and at the moment, water can enter the water tank body along the water inlet to clean the heater; detecting a first turbidity of water flowing out along the water outlet through the first turbidity sensing unit, detecting a second turbidity of water flowing in along the water inlet through the second turbidity sensing unit, comparing the first turbidity with the second turbidity, and controlling the second control valve to be closed when the difference value of the first turbidity and the second turbidity is within a preset turbidity value range, wherein the surface of the heater can be considered to be clean; therefore, after the washing machine finishes washing clothes, the heater is cleaned, so that no scale and other residues are ensured, and the safety of the washing machine can be further improved.
The technical scheme is further described as follows:
in one embodiment, the steam generating device of the washing machine further comprises a temperature sensor for detecting the temperature of the water in the water tank body, and the temperature sensor is in communication connection with the controller.
In one embodiment, the water inlet is communicated with a water outlet of an external water supply device.
In one embodiment, the water inlet is in communication with a water outlet of a water storage box of the washing machine.
In one embodiment, the steam generating device of the washing machine further comprises a water level detector for detecting the water level of the water in the water tank body, and the water level detector is in communication connection with the controller.
In another aspect, the present application also relates to a washing machine, including a steam generating device of the washing machine.
When the washing machine is used, the controller is in communication connection with the heater, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit, and when the controller receives an instruction for stopping the operation of the heater, the first control valve and the second control valve are controlled to be opened, and at the moment, water can enter the water tank body along the water inlet to clean the heater; detecting a first turbidity of water flowing out along the water outlet through the first turbidity sensing unit, detecting a second turbidity of water flowing in along the water inlet through the second turbidity sensing unit, comparing the first turbidity with the second turbidity, and controlling the second control valve to be closed when the difference value of the first turbidity and the second turbidity is within a preset turbidity value range, wherein the surface of the heater can be considered to be clean; therefore, after the washing machine finishes washing clothes, the heater is cleaned, so that no scale and other residues are ensured, and the safety of the washing machine can be further improved.
The technical scheme is further described as follows:
in one embodiment, the washing machine further comprises a drain pipe comprising a dirt inlet, the water outlet being in communication with the dirt inlet.
In another aspect, the present application is directed to a cleaning method comprising the steps of:
closing a water inlet of the water tank body and a water outlet of the water tank body, and driving the heater to operate;
when the heater is detected to stop running, the water inlet of the water tank body and the water outlet of the water tank body are opened, so that water can enter the water tank body along the water inlet of the water tank body to clean the heating part of the heater and can be discharged along the water outlet of the water tank body;
and when detecting that the difference value between the first turbidity of the water discharged along the water outlet of the water tank body and the second turbidity of the water flowing along the water inlet of the water tank body is within a preset turbidity value range, closing the water inlet of the water tank body.
When the cleaning method is used, the water inlet of the water tank body and the water outlet of the water tank body are closed, the heater is driven to operate, and clothes washing is started; when an instruction of stopping the operation of the heater is received, a water inlet of the water tank body and a water outlet of the water tank body are opened, and water can enter the water tank body along the water inlet to clean the heater; then detecting a first turbidity of water flowing out along the water outlet through a first turbidity sensing unit, detecting a second turbidity of water flowing in along the water inlet through a second turbidity sensing unit, comparing the first turbidity with the second turbidity, and closing the water inlet of the water tank body when the difference value of the first turbidity and the second turbidity is within a preset turbidity value range, wherein the surface of the heater can be considered to be clean; therefore, after the washing machine finishes washing clothes, the heater is cleaned, so that no scale and other residues are ensured, and the safety of the washing machine can be further improved.
The technical scheme is further described as follows:
in one embodiment, when the heater is detected to stop operating, the step of opening the water inlet of the water tank body and the water outlet of the water tank body to enable water to enter the water tank body along the water inlet of the water tank body to clean the heating part of the heater and to be discharged along the water outlet of the water tank body comprises the steps of;
when the heater is detected to stop running, a water outlet of the water tank body is opened;
when the water in the water tank body is detected to be lower than the preset water level, the water inlet of the water tank body is opened, so that water can enter the water tank body along the water inlet of the water tank body to clean the heating part of the heater and is discharged along the water outlet of the water tank body.
In one embodiment, the step of opening the water outlet of the water tank body when the heater is detected to stop operating includes:
when the heater is detected to stop running and the temperature of the water in the water tank body is detected to be lower than a preset temperature value, the water outlet of the water tank body is opened.
Drawings
Fig. 1 is a schematic structural view of a steam generating device of a washing machine;
fig. 2 is a schematic view of an internal structure of a steam generating device of the washing machine;
FIG. 3 is a flow chart of a cleaning method in an embodiment;
FIG. 4 is a flow chart of a cleaning method in another embodiment;
FIG. 5 is a flow chart of a cleaning method in another embodiment.
Reference numerals illustrate:
10. 100 parts of steam generating device, 110 parts of water tank body, 110 parts of water outlet, 200 parts of blow-down pipe, 300 parts of water inlet pipe, 400 parts of heater, 410 parts of heater. 500. Mounting seat, 510, mounting portion, 600 and steam outlet pipe.
Detailed Description
The present invention will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
It will be understood that when an element is referred to as being "mounted" on another element, it can be integrated or be detachably connected.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Further, it is also to be understood that, in the present embodiment, the positional relationship indicated by the terms "lower", "upper", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "another side", "one end", "the other end", and the like are based on the positional relationship shown in the drawings; the terms "first," "second," and the like are used to distinguish between different structural components. These terms are only used to facilitate the description of the invention and to simplify the description, and should not be construed as limiting the invention.
As shown in fig. 1 and 2, a steam generating apparatus 10 of a washing machine in one embodiment includes: a water tank body 100 including a water inlet and a water outlet 110; a control valve assembly including a first control valve for controlling the opening or closing of the water outlet 110 and a second control valve for controlling the opening or closing of the water inlet; the heater 400, the heating part 410 of the heater is set in the water tank body 100, and the heating part 410 of the heater is set between the water outlet 110 and the water inlet of the water tank body 100; a turbidity sensor including a first turbidity sensing unit for detecting a first turbidity of water flowing along the water outlet 110 and a second turbidity sensing unit for detecting a second turbidity of water flowing along the water inlet; and a controller in communication with the heater 400, the first control valve, the second control valve, the first turbidity sensing unit, and the second turbidity sensing unit.
When the steam generating device 10 of the washing machine is used, the controller is in communication connection with the heater 400, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit, and when the controller receives an instruction for stopping the operation of the heater, the first control valve and the second control valve are controlled to be opened, and at the moment, water can enter the water tank body 100 along the water inlet to clean the heater 400; detecting a first turbidity of water flowing along the water outlet 110 by a first turbidity sensing unit, detecting a second turbidity of water flowing along the water inlet by a second turbidity sensing unit, comparing the first turbidity with the second turbidity, and controlling the second control valve to be closed when the difference value between the first turbidity and the second turbidity is within a preset turbidity value range, wherein the surface of the heater 400 can be considered to be clean; thus, after the washing machine finishes washing the clothes, the heater 400 is cleaned, so that no scale and other residues are ensured, and the safety of the washing machine can be further improved. In this embodiment, when the difference between the first turbidity and the second turbidity is 1NTU-3NTU, the surface of the heater 400 is considered to be cleaned, however, in other embodiments, a corresponding reference turbidity may be set, and when the first turbidity is detected to be less than or equal to the reference turbidity, the surface of the heater 400 is considered to be cleaned, and in this embodiment, the reference turbidity may be 5NTU.
On the basis of the above embodiment, the steam generating device 10 of the washing machine further includes a temperature sensor for detecting the temperature of the water in the water tank body 100, and the temperature sensor is in communication connection with the controller. Thus, when the heater 400 is detected to stop running and the temperature of the water in the water tank body 100 is detected to be within the preset temperature range, the first control valve is driven to be opened, and at the moment, the water in the water tank body 100 can be cooled and then discharged, so that the condition that the pipeline of a user is damaged or the user is scalded due to the fact that the temperature of the discharged water is too high is avoided.
On the basis of any embodiment, the water inlet is communicated with the water outlet of the water storage box of the washing machine. In this embodiment, the water storage box can supply water to the water tank body 100 through the water inlet pipe 300, so that an additional water supply structure is not required, the whole washing machine is compact in structure and convenient to use.
Of course, in other embodiments, the water inlet communicates with the water outlet of an external water supply. In this embodiment, the water heater may be cleaned by connecting the water inlet pipe 300 to the water outlet of the external water supply device, which may be a water tank or other water storage device.
As shown in fig. 2, the steam generating device 10 of the washing machine further includes a mounting seat 500, wherein the mounting seat 500 is fixedly arranged on the inner wall of the water tank body 100, the mounting seat 500 is provided with a mounting portion 510, the mounting portion 510 is connected with the heating portion 410 of the heater, and the heating portion 410 of the heater is arranged at intervals with the inner wall of the water tank body 100. In this way, the heating part 410 of the heater can be prevented from contacting the inner wall of the water tank body 100, and further, the heater 400 is prevented from burning the bottom wall; on the basis of this embodiment, the heating portion 410 of the heater is provided with a first clamping portion, and the mounting portion 510 is a second clamping portion that is in clamping fit with the first clamping portion, so that the heating portion 410 of the heater and the mounting seat 500 are positioned and mounted through the clamping fit of the first clamping portion and the second clamping portion.
On the basis of any one of the above embodiments, the steam generating device 10 of the washing machine further includes a water level detector for detecting the water level of the water in the water tank body 100, and the water level detector is in communication with the controller. Thus, when it is detected that the heater 400 stops operating, the first control valve is driven to be opened, and when it is detected that the water level of the water in the water tank body 100 is lower than a preset water level, the second control valve is driven to be opened, and then, after the water remaining in the water tank body 100 is discharged or when the water remaining in the water tank body 100 is less, the second control valve is opened, water is introduced to clean the heater 400, and cleaning is more thorough.
One embodiment also relates to a washing machine including the steam generating device 10 of the washing machine.
When the washing machine is used, the controller is in communication connection with the heater 400, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit, and when the controller receives an instruction for stopping the operation of the heater, the first control valve and the second control valve are controlled to be opened, and at the moment, water can enter the water tank body 100 along the water inlet to clean the heater 400; detecting a first turbidity of water flowing along the water outlet 110 by a first turbidity sensing unit, detecting a second turbidity of water flowing along the water inlet by a second turbidity sensing unit, comparing the first turbidity with the second turbidity, and controlling the second control valve to be closed when the difference value between the first turbidity and the second turbidity is within a preset turbidity value range, wherein the surface of the heater 400 can be considered to be clean; thus, after the washing machine finishes washing the clothes, the heater 400 is cleaned, so that no scale and other residues are ensured, and the safety of the washing machine can be further improved.
On the basis of the above embodiment, the washing machine further comprises a drainage pipeline, the drainage pipeline comprises a sewage inlet, and the water outlet 110 is communicated with the sewage inlet. Thus, the water inlet of the drain pipe 200 is communicated with the water outlet 110, the water outlet of the drain pipe is communicated with the sewage inlet, and the water in the drain pipe 200 is discharged along the drain pipe, so that an additional water outlet is not required to be formed in the box body of the washing machine, and the use is convenient.
As shown in fig. 2, on the basis of any of the above embodiments, the steam generating device 10 of the washing machine further includes a steam outlet pipe 600, the water tank body 100 includes a gas outlet, the gas inlet of the steam outlet pipe 600 is communicated with the gas outlet, the inner cylinder is provided with a gas inlet, and the gas outlet of the steam outlet pipe 600 is communicated with the gas inlet of the inner cylinder. Thus, steam enters the inner cylinder to sterilize, remove wrinkles and the like on clothes.
As shown in fig. 3, an embodiment further relates to a cleaning method, including the steps of:
s100: closing a water inlet of the water tank body and a water outlet of the water tank body, and driving the heater to operate; specifically, the water outlet of the water tank body can be closed by the first control valve controlled by the controller, the water inlet of the water tank body can be closed by the second control valve controlled by the controller, and the heater is controlled to operate by the controller to start washing.
S200: when the heater is detected to stop running, the water inlet of the water tank body and the water outlet of the water tank body are opened, so that water can enter the water tank body along the water inlet of the water tank body to clean the heating part of the heater and can be discharged along the water outlet of the water tank body; specifically, the heater can be monitored through the controller, when the controller monitors that the heater stops operating, the water outlet of the water tank body is opened by the first control valve, the water inlet of the water tank body is opened by the second control valve, and when the heater is used, the heater is arranged in the water tank body and positioned between the water inlet and the water outlet, so that water can enter the heating part of the heater along the water inlet pipe to clean the water tank body and can be discharged along the water outlet of the water tank body.
S300: and closing the water inlet of the water tank body when detecting that the difference between the first turbidity of the water discharged along the water outlet of the water tank body and the second turbidity of the water flowing in along the water inlet of the water tank body is within a preset turbidity value range. Specifically, a first turbidity of water discharged along the water outlet of the water tank body can be detected through the first turbidity sensing unit, a second turbidity of water flowing along the water inlet of the water tank body can be detected through the second turbidity sensing unit, the first turbidity and the second turbidity are compared through the controller, and when a difference value between the first turbidity and the second turbidity is within a preset turbidity value range, the second control valve is controlled to be closed, and at the moment, the surface of the heater can be considered to be cleaned.
When the cleaning method is used, the water inlet of the water tank body and the water outlet of the water tank body are closed, the heater is driven to operate, and clothes washing is started; when an instruction of stopping the operation of the heater is received, a water inlet of the water tank body and a water outlet of the water tank body are opened, and water can enter the water tank body along the water inlet to clean the heater; then the first turbidity of the water flowing out along the water outlet can be detected through the first turbidity sensing unit, the second turbidity of the water flowing in along the water inlet can be detected through the second turbidity sensing unit, then the first turbidity and the second turbidity are compared, when the difference value of the first turbidity and the second turbidity is within a preset turbidity value range, the water inlet of the water tank body is closed, and at the moment, the surface of the heater can be considered to be clean; therefore, after the washing machine finishes washing clothes, the heater is cleaned, so that no scale and other residues are ensured, and the safety of the washing machine can be further improved.
As shown in fig. 4, on the basis of the above embodiment, when it is detected that the heater is stopped, the water inlet of the tank body and the water outlet of the tank body are opened so that water can enter the heating part of the tank body cleaning heater along the water inlet of the tank body and be discharged along the water outlet of the tank body, including:
t100: when the heater is detected to stop running, the water outlet of the water tank body is opened; specifically, the heater may be monitored by the controller, and when the controller monitors that the heater is stopped, the first control valve is controlled to be opened, at which time water remaining in the tank body can be discharged along the water outlet of the tank body.
T200: when the water in the water tank body is detected to be lower than the preset water level, the water inlet of the water tank body is opened, so that water can enter the heating part of the water tank body cleaning heater along the water inlet of the water tank body and is discharged along the water outlet of the water tank body, and at the moment, water can enter the heating part of the water tank body cleaning heater along the water inlet and is discharged along the water outlet. As shown in fig. 5, on the basis of this embodiment, when it is detected that the heater is stopped, the step of opening the water outlet of the tank body includes: t110: when the heater is detected to stop running and the temperature of the water in the water tank body is detected to be lower than a preset temperature value, the water outlet of the water tank body is opened. Specifically, the temperature of water in the water tank body can be monitored through the temperature sensor, when the temperature of water in the water tank body is detected to be lower than a preset temperature value, the first control valve is driven to open the water outlet of the water tank body, at the moment, the water can be discharged after being cooled until the temperature of the water in the water tank body is cooled, and the phenomenon that a user is damaged or scalded due to the fact that the temperature of the discharged water is too high is avoided. In the embodiment, the preset temperature range is 20-30 ℃, and in the temperature range, the water in the water tank body is discharged, so that a pipeline is not damaged and a user is not scalded; when the temperature of the water in the water tank body is higher than 30 ℃, the discharged water easily damages a pipeline or hurts others, and when the temperature of the water in the water tank body is lower than 20 ℃, the waiting time is longer, so that the use is influenced.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. A steam generating apparatus of a washing machine, comprising:
the water tank body is provided with a water inlet and a water outlet;
the control valve assembly comprises a first control valve and a second control valve, the first control valve is used for controlling the opening or closing of the water outlet, and the second control valve is used for controlling the opening or closing of the water inlet;
the heating part of the heater is arranged in the water tank body, and the heating part of the heater is arranged between the water outlet and the water inlet;
a turbidity sensor comprising a first turbidity sensing unit for detecting a first turbidity of water flowing along the water outlet and a second turbidity sensing unit for detecting a second turbidity of water flowing along the water inlet; a kind of electronic device with high-pressure air-conditioning system
The controller is in communication connection with the heater, the first control valve, the second control valve, the first turbidity sensing unit and the second turbidity sensing unit;
when the controller receives an instruction for stopping the operation of the heater, the first control valve and the second control valve are controlled to be opened; and when the difference value between the first turbidity and the second turbidity is within a preset turbidity value range, controlling the second control valve to be closed.
2. The steam generating apparatus of a washing machine as claimed in claim 1, further comprising a temperature sensor for detecting a temperature of water in the water tank body, the temperature sensor being communicatively connected to the controller.
3. The steam generating device of a washing machine as claimed in claim 1, wherein the water inlet communicates with a water outlet of an external water supply device.
4. The steam generating apparatus of a washing machine as claimed in claim 1, wherein the water inlet communicates with a water outlet of a water storage box of the washing machine.
5. The steam generating apparatus of a washing machine as claimed in any one of claims 1 to 4, further comprising a water level detector for detecting a water level of water in the water tank body, the water level detector being communicatively connected to the controller.
6. A washing machine comprising the steam generating device of the washing machine as claimed in any one of claims 1 to 5.
7. The washing machine as claimed in claim 6, further comprising a drain pipe including a soil inlet, the water outlet communicating with the soil inlet.
8. A cleaning method, comprising the steps of:
closing a water inlet of the water tank body and a water outlet of the water tank body, and driving the heater to operate;
when the heater is detected to stop running, the water inlet of the water tank body and the water outlet of the water tank body are opened, so that water can enter the water tank body along the water inlet of the water tank body to clean the heating part of the heater and can be discharged along the water outlet of the water tank body;
and when detecting that the difference value between the first turbidity of the water discharged along the water outlet of the water tank body and the second turbidity of the water flowing along the water inlet of the water tank body is within a preset turbidity value range, closing the water inlet of the water tank body.
9. The washing method according to claim 8, wherein the step of opening the water inlet of the tank body and the water outlet of the tank body to enable water to enter the tank body along the water inlet of the tank body to wash the heating part of the heater and to be discharged along the water outlet of the tank body when it is detected that the heater is stopped includes;
when the heater is detected to stop running, a water outlet of the water tank body is opened;
when the water in the water tank body is detected to be lower than the preset water level, the water inlet of the water tank body is opened, so that water can enter the water tank body along the water inlet of the water tank body to clean the heating part of the heater and is discharged along the water outlet of the water tank body.
10. The washing method according to claim 9, wherein the step of opening the water outlet of the tank body when the heater is detected to stop operating comprises:
when the heater is detected to stop running and the temperature of the water in the water tank body is detected to be lower than a preset temperature value, the water outlet of the water tank body is opened.
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