CN117906286A - Steam generating device, laundry treating apparatus, and control method - Google Patents

Steam generating device, laundry treating apparatus, and control method Download PDF

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Publication number
CN117906286A
CN117906286A CN202311720481.9A CN202311720481A CN117906286A CN 117906286 A CN117906286 A CN 117906286A CN 202311720481 A CN202311720481 A CN 202311720481A CN 117906286 A CN117906286 A CN 117906286A
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China
Prior art keywords
module
descaling
conductivity
electric heating
heating module
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Pending
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CN202311720481.9A
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Chinese (zh)
Inventor
伍晗
李雪
李咏谦
姚俊杰
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202311720481.9A priority Critical patent/CN117906286A/en
Publication of CN117906286A publication Critical patent/CN117906286A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/10Control of fluid heaters characterised by the purpose of the control
    • F24H15/14Cleaning; Sterilising; Preventing contamination by bacteria or microorganisms, e.g. by replacing fluid in tanks or conduits
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F73/00Apparatus for smoothing or removing creases from garments or other textile articles by formers, cores, stretchers, or internal frames, with the application of heat or steam 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/28Methods of steam generation characterised by form of heating method in boilers heated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/20Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

The invention belongs to the technical field of steam nursing, and particularly relates to a steam generating device, clothes treatment equipment and a descaling control method, wherein the steam generating device comprises: a housing; the electric heating module is arranged in the shell and is used for heating water in the shell; the conductivity detection module is arranged in the shell and is used for detecting the conductivity of water in the shell; and the descaling module is arranged on the shell and is controlled to determine whether to perform descaling treatment on the electric heating module according to the conductivity detected by the conductivity detection module. The invention can judge the scale condensation condition on the electric heating module in time, accurately determine the scale removal time and remove the condensed scale on the electric heating module in time, thereby improving the heating effect of the electric heating module and prolonging the service life of the electric heating module.

Description

Steam generating device, laundry treating apparatus, and control method
Technical Field
The invention relates to the technical field of steam nursing, in particular to a steam generating device, clothes treatment equipment and a control method.
Background
When residents care clothes with steam, tap water is mostly utilized to generate steam, the hardness of tap water is large, and the hardness of tap water in northwest areas is even 400mg/L. The long-term use of hard water to care clothes is easy to fade, harden, lose luster and reduce wearing comfort of users. In addition, the hard water can easily condense a large amount of water scale on the electric heating module of the steam generating device, so that faults are caused, the water scale on the electric heating module is required to be removed, and after-sales technicians are often required to disassemble and replace the water scale, so that the maintenance cost is high.
In the related art, scale on an electric heating module is periodically removed by recording the water consumption and the water hardness of a steam generating device. However, in the related art, only the estimated value based on the data is poor in accuracy, whether the descaling condition is reached is estimated according to the water consumption and the hardness, the descaling time cannot be accurately determined, if the descaling is too frequent, the resource is wasted, and the scale cannot be removed in time due to too little descaling, so that the heating efficiency is affected.
Disclosure of Invention
To overcome the problem of the related art that the timing of descaling cannot be accurately determined, a first aspect of the present invention proposes a steam generating apparatus comprising:
a housing;
The electric heating module is arranged in the shell and is used for heating water in the shell;
The conductivity detection module is arranged in the shell and is used for detecting the conductivity of water in the shell;
And the descaling module is arranged on the shell and is controlled to determine whether to perform descaling treatment on the electric heating module according to the conductivity detected by the conductivity detection module.
In some embodiments, the descaling module comprises a cathode rod and an anode rod, the housing is provided with a first through hole and a second through hole, one end of the cathode rod in the length direction is provided with a cathode terminal, one end of the cathode rod far away from the cathode terminal extends into the housing through the first through hole, one end of the anode rod in the length direction is provided with an anode terminal, one end of the anode rod far away from the anode terminal extends into the housing through the second through hole, and the cathode rod and the anode rod form a high-frequency electric field in the housing after being electrified.
In some embodiments, the electric heating module is disposed at a bottom of the housing, the housing includes a top plate, the first through hole and the second through hole are disposed at the top plate, and one end of the cathode rod, which is far away from the cathode terminal, and one end of the anode rod, which is far away from the anode terminal, are both extended to the electric heating module from the top plate of the housing.
In some embodiments, the electrical heating module comprises an electrical heating tube comprising a tube body and an insulating layer disposed on an inner wall of the tube body, and the conductivity detection module is disposed in the housing at a location proximate to the electrical heating tube.
In some embodiments, the steam generator includes a stationary support disposed within the housing, the electric heating tube and the conductivity detection module both disposed in the stationary support.
In some embodiments, the steam generating device further comprises a control module electrically connected to the descaling module, the control module configured to determine whether to control the descaling module to perform a descaling process on the electric heating module according to the magnitude of the conductivity of the water in the housing;
the control module is further configured to determine a degree of scaling of the electric heating module according to the conductivity of the water in the housing, and adjust an electric field voltage, and/or an electric field strength, and/or a descaling duration of the descaling module according to the degree of scaling of the electric heating module.
A second aspect of the present invention proposes a laundry treating apparatus comprising the steam generating device as set forth in the first aspect of the present invention.
A third aspect of the present invention provides a descaling control method of a steam generating apparatus for steam care of laundry treatment devices, the descaling control method being for controlling any one of the steam generating apparatuses according to the first aspect of the present invention, the descaling control method comprising:
controlling the electric heating module to start;
acquiring the conductivity of water in the steam generating device;
and controlling the starting states of the electric heating module and the descaling module according to the conductivity.
In some embodiments, the controlling the activation state of the electric heating module and the descaling module according to the magnitude of the electrical conductivity includes:
When the conductivity is in a set conductivity range, controlling the electric heating module to stop heating, determining the scaling degree of the electric heating module according to the conductivity, and adjusting the descaling strength of the descaling module according to the scaling degree of the electric heating module;
maintaining a start-up state of the electric heating module when the conductivity is less than a minimum value of the set conductivity range;
And when the conductivity is greater than or equal to the maximum value of the set conductivity range, controlling the electric heating module to stop heating, and sending prompt information to a user.
In some embodiments, the descaling strength of the descaling module has a positive correlation with the electrical conductivity;
the descaling strength of the descaling module is in positive correlation with at least one of the electric field voltage, the electric field strength and the descaling duration of the descaling module.
The technical scheme of the invention can have the following beneficial effects: according to the invention, the conductivity detection module is arranged in the shell of the steam generating device to detect the conductivity of water in the shell, so that the scale condensation condition on the electric heating module is judged, the scale condensation quantity can be judged more quickly and accurately, the scale removal time can be accurately determined, and the scale condensed on the electric heating module can be removed in time, thereby improving the heating effect of the electric heating module and prolonging the service life of the electric heating module.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a structural view of a steam generating apparatus according to an exemplary embodiment.
Fig. 2 is a block diagram illustrating a steam generator with wires according to an exemplary embodiment.
Fig. 3 is an electrode distribution diagram of a steam generating device according to an exemplary embodiment.
Fig. 4 is a diagram showing distribution of electric heating pipes and sensors of the steam generating device according to an exemplary embodiment.
Fig. 5 is a block diagram of a fixing bracket according to an exemplary embodiment.
Fig. 6 is a graph showing the relationship between the electrical conductivity and the amount of scale removal according to an exemplary embodiment.
Fig. 7 is a descaling flowchart of a steam generating apparatus according to an exemplary embodiment.
Fig. 8 is a control flow chart illustrating a case where the steam generating apparatus is applied to a laundry treating device according to an exemplary embodiment.
The reference numerals are as follows:
1. a housing; 11. a top plate; 12. a first through hole; 13. a second through hole; 2. an electric heating module; 3. a conductivity detection module; 4. a descaling module; 41. a cathode rod; 411. a cathode terminal; 42. an anode rod; 421. an anode terminal; 5. a fixed bracket; 51. a mounting hole; 52. a clamp; 53. a holder main body; 6. a wire; 7. a terminal.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
The present embodiment will be described in detail below with reference to the attached drawings, and the following embodiments and examples may be combined with each other without conflict.
According to an exemplary embodiment, the present embodiment proposes a steam generating apparatus, which may be applied to an electric device for performing a corresponding process by generating steam, such as a laundry treating device, a steam box, or a vending machine having a heating function, etc., as shown in fig. 1 to 4.
The steam generating device comprises a shell 1, an electric heating module 2 and a descaling module 4, wherein a containing cavity is formed in the shell 1, a water inlet pipe (not shown in the figure) is connected to the shell 1, one end of the water inlet pipe is connected with municipal water supply, the other end of the water inlet pipe is communicated with the containing cavity, and tap water flows into the containing cavity through the water inlet pipe.
The electric heating module 2 is arranged in the shell 1, and the electric heating module 2 is used for heating water in the shell 1 to generate steam. The electric heating module 2 is, for example, an electric heating tube, the electric heating tube includes a tube body, a resistance wire is arranged in the tube body, when the electric heating tube is electrified, the resistance wire generates heat to heat water to generate steam, a steam conveying pipeline is further connected to the shell 1, and the steam generated by the steam generating device is conveyed to a target position through the steam conveying pipeline. The tube body is generally made of metal materials, and an insulating layer, such as a magnesium oxide insulating layer, is attached to the inner wall of the tube body to prevent the short circuit caused by contact between the resistance wire and the tank body. The conductivity detection module 3 is disposed in the housing 1, and is used for detecting the conductivity of water in the housing 1, and the conductivity detection module 3 is, for example, a conductivity sensor. In a preferred embodiment, the conductivity detection module 3 is disposed close to the electric heating module 2, and the scale condensation condition of the electric heating module 2 is accurately judged by detecting the conductivity of water near the electric heating module 2.
The descaling module 4 is disposed in the housing 1, and the descaling module 4 is controlled to determine whether to perform descaling treatment on the electric heating module 2 according to the conductivity detected by the conductivity detection module 3, and the descaling mode of the descaling module 4 is, for example, to generate a high-frequency electric field inside the housing 1 to remove scale attached to the electric heating module 2, so as to achieve a descaling effect.
Under the condition that the electric heating module 2 heats water, along with the extension of heating time, the scale condensed on the electric heating module 2 gradually increases, the scale condensed on the electric heating module 2 can slowly corrode the electric heating module, so that porous etching points are generated on the surface of the electric heating module 2, and then water is introduced into the electric heating module 2, the insulation effect of the insulation layer is invalid, and meanwhile, the damage of the insulation layer is accelerated, so that electric leakage of the electric heating module 2 is caused. Therefore, it is necessary to periodically scale the electric heating module 2 to ensure the normal operation of the electric heating module 2 and to ensure the safety of the use of the steam generating device.
Fig. 6 is a graph showing the relationship between the electrical conductivity and the amount of scale removal according to an exemplary embodiment. Wherein the abscissas k0, k1, and k2 represent the scale formation amounts, and k0 < k1 < k2. When the scale amount on the electric heating module 2 is very small, the conductivity detected by the conductivity detection module 3 is the conductivity of the clean water. As the scale on the electric heating module 2 increases, the conductivity near the electric heating module 2 is greater than that of the clean water and continues to increase at a slow rate. Along with the continuous condensation of the scale on the electric heating module 2, the conductivity of the scale increases more and more until the critical value is reached, and the electric heating module 2 needs to be replaced in time at this time to prevent the electric heating module 2 from dry burning or short circuit. Thus, the conductivity of the water in the shell 1 can be detected by the conductivity detection module 3 to determine the scale condensation condition of the electric heating module 2, and the scale condensation on the electric heating module 2 can be removed by the descaling module 4 in the case of descaling.
According to the embodiment, the conductivity of water in the shell 1 is detected by arranging the conductivity detection module 3 in the shell 1 of the steam generating device, so that the scale condensation condition on the electric heating module 2 is judged, the scale condensation quantity can be judged more quickly and accurately, the scale removal time can be accurately determined, the condensed scale on the electric heating module 2 is removed in time, the heating effect of the electric heating module 2 is improved, and the service life of the electric heating module 2 is prolonged.
In some embodiments, as shown in fig. 1-3, the descaling module 4 includes a cathode rod 41 and an anode rod 42, the housing 1 is provided with a first through hole 12 and a second through hole 13, one end of the cathode rod 41 in the length direction is provided with a cathode terminal 411, one end of the cathode rod 41 away from the cathode terminal 411 extends into the housing 1 through the first through hole 12, one end of the anode rod 42 in the length direction is provided with an anode terminal 421, and one end of the anode rod 42 away from the anode terminal 421 extends into the housing 1 through the second through hole 13. The cathode terminal 411 and the anode terminal 421 may be connected to the lead wires 6, respectively, and one end of the lead wires 6 away from the cathode terminal 411 and the anode terminal 421 is connected to the terminal 7, and the terminal 7 is connected to a power supply module, such as a power supply or a control module, and the cathode rod 41 and the anode rod 42 form a high-frequency electric field in the housing 1 after being energized. Under the condition of descaling requirement, the power supply module supplies power to the cathode rod 41 and the anode rod 42 through the wiring terminal 7, and current is transmitted to the cathode rod 41 and the anode rod 42 through the cathode terminal 411 and the anode terminal 421, so that a high-frequency electric field is generated in the steam generating device, and scale attached to the electric heating module 2 is removed, so that the descaling effect is achieved.
In the present embodiment, the arrangement positions of the cathode rod 41 and the anode rod 42 on the case 1 are not limited, and for example, the first through hole 12 and the second through hole 13 are located at the side of the case 1, and the cathode rod 41 and the anode rod 42 are inserted into the case 1 from the side of the case 1 through the first through hole 12 and the second through hole 13, respectively, in the case that sealing is done. The cathode bars 41 and anode bars 42 may be located on the same side of the housing 1, or may be located on adjacent or opposite sides of the housing 1. In one implementation manner, as shown in fig. 3, the electric heating module 2 is disposed at the bottom of the casing 1 to reduce the water injection amount in the casing and avoid the dry burning of the electric heating module 2, the casing 1 includes a top plate 11, the first through hole 12 and the second through hole 13 are disposed on the top plate 11, and one end of the cathode rod 41 away from the cathode terminal 411 and one end of the anode rod 42 away from the anode terminal 421 are all extended from the top plate 11 of the casing 1 to the electric heating module 2.
In some embodiments, the arrangement manner of the electric heating module 2 in the housing 1 is not limited, and the electric heating module 2 may be fixed in the housing 1 by at least one of a snap connection, a plug connection, a connection member connection, or an adhesive connection. In one possible implementation, as shown in fig. 4 and 5, the steam generating device includes a fixing bracket 5, the fixing bracket 5 is disposed in the housing 1, and the electric heating module 2 and the conductivity detection module 3 are both disposed in the fixing bracket 5. Specifically, the fixing bracket 5 includes a bracket main body 53 and a clip 52 disposed on the bracket main body 53, the bracket main body 53 is fixed on the inner wall of the housing 1, the electric heating module 2 is fixed on the bracket main body 53 through the clip 52, the bracket main body 53 is further provided with a mounting hole 51, and the conductivity detection module 3 is disposed in the mounting hole 51. The embodiment realizes the simultaneous fixation of the electric heating module 2 and the conductivity detection module 3 through the fixing support 5, and simultaneously obtains a more accurate conductivity detection result by arranging the conductivity detection module 3 near the electric heating module 2 to detect the conductivity of water near the electric heating module 2.
In some embodiments, the steam generating device further comprises a control module (not shown in the figure), which is electrically connected to the descaling module 4, while the control module is further in signal connection with the conductivity detection module 3 for receiving the data signal of the conductivity detected by the conductivity detection module 3. The control module is configured to determine whether to control the descaling module 4 to perform the descaling treatment on the water in the housing 1 according to the magnitude of the conductivity detected by the conductivity detection module 3. When the descaling instruction is received, the control module supplies power to the descaling module 4, and the descaling module 4 is started to remove the scale condensed on the electric heating module 2. In other possible ways, the control module is further electrically connected to the electric heating module 2, and when receiving the steam care instruction, the control module supplies power to the electric heating module 2, and the electric heating module 2 heats water in the housing 1 to generate steam. According to the embodiment, the control module is electrically connected with the descaling module 4 to intelligently control the descaling module 4, so that scale on the electric heating module 2 can be removed in time, the heating effect of the electric heating module 2 is ensured, and the service life of the electric heating module 2 is prolonged.
In a preferred embodiment, the control module is further configured to determine the degree of scaling of the electric heating module according to the conductivity of the water in the housing and to adjust the electric field voltage, and/or the electric field strength, and/or the descaling duration of the descaling module 4 according to the degree of scaling of the electric heating module, so as to obtain a better descaling effect.
According to an exemplary embodiment, the present embodiment proposes a laundry treating apparatus including the steam generating device of the above-described embodiment.
According to an exemplary embodiment, the present embodiment provides a descaling control method of a steam generating apparatus for steam care of laundry treatment devices, the descaling control method being used for controlling the steam generating apparatus according to the above embodiment, and fig. 7 is a descaling flowchart of the steam generating apparatus according to an exemplary embodiment, the descaling control method including the steps of:
S71, controlling the electric heating module 2 to start;
S72, acquiring the conductivity of water in the steam generating device;
and S73, controlling the starting states of the electric heating module 2 and the descaling module 4 according to the conductivity.
In this embodiment, in the case where the steam generation device needs to generate steam, the electric heating module 2 needs to be controlled to be started to heat the water to generate steam, and the conductivity of the water near the electric heating module 2 will increase when the scale is condensed on the electric heating module 2. Therefore, after the electric heating module 2 is started, the scaling condition of the electric heating module 2 is determined by acquiring the conductivity detected by the conductivity detection module 3, and whether the descaling module 4 is controlled to perform descaling on the electric heating module 2 and whether the electric heating module 2 is controlled to continue heating water is determined according to the scaling condition.
Specifically, in combination with the relationship diagram of the conductivity and the descaling amount in fig. 6, when the detected conductivity is in the set conductivity range, it is indicated that the scale on the electric heating module 2 is more, and the water needs to be continuously heated after the descaling treatment, so that the electric heating module 2 needs to be controlled to stop heating, and the descaling module 4 needs to be started. The conductivity range is set to be, for example, 350. Mu.s/cm.ltoreq.n < 800. Mu.s/cm. At this time, the scaling degree of the electric heating module 2 can be further determined according to the electric conductivity, and the scaling strength of the scaling module 4 can be adjusted according to the scaling degree of the electric heating module 2, so as to obtain a better scaling effect.
When the detected conductivity is smaller than the minimum value of the set conductivity range, the scale on the electric heating module 2 is extremely small (k is less than or equal to k 0), the conductivity of the clean water is detected only, the descaling treatment is not needed, the starting state of the electric heating module 2 can be maintained, and the descaling module 4 is not needed to be started. When the detected conductivity is greater than or equal to the maximum value of the fixed conductivity range, the fact that the electric heating module 2 is extremely large in scale (k > k 2) condensed at the moment is indicated, the electric conductivity is large at the moment, the electric heating module 2 is fully covered with scale, the scale removal by means of the scale removal module 4 is not effective, the risk of short circuit of the electric heating module 2 is extremely high at the moment, heating is not needed at the moment, the electric heating module 2 needs to be controlled to stop heating, and prompt information is sent to a user to remind the user to replace the new electric heating module 2. The set conductivity range is a conductivity range capable of recovering the heating performance of the electric heating module after the descaling treatment of the electric heating module 2.
In some embodiments, the descaling strength of the descaling module 4 is in positive correlation with the conductivity when the detected conductivity is within the set conductivity range. The greater the conductivity, the more severe the scale, and the greater the scale removal force is required to obtain the best scale removal effect. In a specific example, in a case where the detected conductivity is greater than or equal to the minimum value of the set conductivity range and less than the preset conductivity, the descaling module 4 is controlled to perform the descaling treatment at the first descaling intensity; controlling the descaling module 4 to perform descaling treatment at the second descaling strength under the condition that the conductivity is greater than or equal to the preset conductivity and less than the maximum value of the set conductivity range; the first descaling strength is less than the second descaling strength. Wherein the preset conductivity is a critical conductivity value for judging the scaling degree of the electric heating module 2.
In this embodiment, since different conductivity levels correspond to different scaling levels, a higher conductivity indicates a more serious scaling of the electric heating module 2. The present embodiment determines the degree of scaling of the electric heating module 2 according to the conductivity detected by the conductivity detection module 3, and determines the scale removal strength of the electric heating module 2 according to the degree of scaling. Specifically, referring to the relationship diagram of the electrical conductivity and the descaling amount in fig. 6, when the detected electrical conductivity is greater than or equal to the minimum value of the set electrical conductivity range and less than the preset electrical conductivity, the scale condensed by the electrical heating module 2 is medium (k 0< k 1), the water is heated after the descaling is performed, at this time, the descaling treatment is started on the electrical heating module 2 with the first descaling strength, and the electrical heating module 2 is started after the descaling treatment is completed. When the detected conductivity is greater than or equal to the preset conductivity and less than the maximum value of the set conductivity range, it indicates that the scale condensed on the electric heating module 2 is more (k 1< k 2) at this time, and the descaling treatment is started with the second electric field intensity, and the water needs to be heated after the descaling, and the preset conductivity is, for example, 450 μs/cm.
In this embodiment, the descaling strength of the descaling module 4 has a positive correlation with at least one of the electric field voltage, the electric field strength, and the descaling duration of the descaling module 4. In a specific example, the voltage value of the descaling module 4 is 95V, the electric field strength is 7V/cm, and the descaling duration is 3min-5min at the first descaling strength. Under the second descaling strength, the voltage value of the descaling module 4 is 225V, the electric field strength is 18V/cm, and the descaling duration is 8-10 min.
According to the embodiment, the scale condensation condition of the electric heating module 2 is determined by detecting the conductivity near the electric heating module 2, so that the scale condensation amount can be judged more quickly and accurately, and the scale is removed accurately. Meanwhile, according to the quantity of the scale condensation on the electric heating module 2, the scale removal strength is adjusted by adjusting at least one of the parameters of the electric field voltage, the electric field strength, the scale removal duration and the like, so that the scale on the electric heating module 2 is removed in a targeted manner.
The control method of the present embodiment will be described in detail below with reference to the control flow chart of fig. 8 in conjunction with a laundry treating apparatus having a steam nursing function, and when the laundry treating apparatus starts steam nursing, the amount of steam humidification required for steam nursing is determined by weighing and material recognition, and water is supplied into the steam generating device. When the water level is lower than the electric heating module 2 and the conductivity detection module 3 and reaches the safe water level, the electric heating module 2 and the conductivity detection module 3 are controlled to be started, and the conductivity detection module 3 detects the conductivity n near the electric heating module 2. When n is less than 350 mu s/cm, at the moment, the scale on the electric heating module 2 is very small (k is less than or equal to k 0), only the conductivity of clean water is detected, no descaling treatment is needed, the starting state of the electric heating module 2 is maintained, steam humidification is started, and clothes care is carried out. When n is less than or equal to 350 mu s/cm and is less than or equal to 450 mu s/cm, scale on the electric heating module 2 is medium (k 0 is less than or equal to k 1), descaling is needed first, then steam care is needed, so that descaling treatment is started with first descaling strength, conductivity of water in the steam generating device is detected again after the descaling treatment is finished, and when the detected conductivity is less than 350 mu s/cm, steam care is needed. When n is more than or equal to 450 and less than 800 mu s/cm, the scale on the electric heating module 2 is more (k 1 is less than or equal to k 2), so that the descaling treatment is started with the second descaling strength, the conductivity of water in the steam generating device is detected again after the descaling treatment is finished, and when the detected conductivity is less than 350 mu s/cm, steam care is carried out. When n is more than or equal to 800 mu s/cm, the electric heating module 2 is extremely rich in scale (k > k 2), and the electric heating module 2 is fully covered with scale due to the fact that the conductivity is high, the scale removal by the scale removal module 4 is not effective, the risk of short circuit of the electric heating module 2 is extremely high, heating is not needed, steam humidification is needed to be stopped, and a new electric heating module 2 is reminded to be replaced, and then a nursing program can be carried out.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any adaptations or variations of the present disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. A steam generating device, characterized in that the steam generating device comprises:
a housing;
The electric heating module is arranged in the shell and is used for heating water in the shell;
The conductivity detection module is arranged in the shell and is used for detecting the conductivity of water in the shell;
And the descaling module is arranged on the shell and is controlled to determine whether to perform descaling treatment on the electric heating module according to the conductivity detected by the conductivity detection module.
2. The steam generator according to claim 1, wherein the descaling module comprises a cathode rod and an anode rod, the housing is provided with a first through hole and a second through hole, one end of the cathode rod in the length direction is provided with a cathode terminal, one end of the cathode rod away from the cathode terminal extends into the housing through the first through hole, one end of the anode rod in the length direction is provided with an anode terminal, one end of the anode rod away from the anode terminal extends into the housing through the second through hole, and the cathode rod and the anode rod form a high-frequency electric field in the housing after being electrified.
3. The steam generator of claim 2, wherein the electric heating module is disposed at a bottom of the housing, the housing includes a top plate, the first through hole and the second through hole are disposed at the top plate, and an end of the cathode rod remote from the cathode terminal and an end of the anode rod remote from the anode terminal are each extended from the top plate of the housing to the electric heating module.
4. The steam generator of claim 1, wherein the electrical heating module comprises an electrical heating tube comprising a tube body and an insulating layer disposed on an inner wall of the tube body, and wherein the conductivity detection module is disposed in the housing at a location proximate to the electrical heating tube.
5. The steam generator of claim 4, comprising a stationary support disposed within the housing, wherein the electrical heating tube and the conductivity detection module are both disposed in the stationary support.
6. The steam generator of claim 1, further comprising a control module electrically connected to the descaling module, the control module configured to determine whether to control the descaling module to perform a descaling process on the electrical heating module based on a magnitude of electrical conductivity of the water within the housing;
the control module is further configured to determine a degree of scaling of the electric heating module according to the conductivity of the water in the housing, and adjust an electric field voltage, and/or an electric field strength, and/or a descaling duration of the descaling module according to the degree of scaling of the electric heating module.
7. A laundry treatment apparatus, characterized in that the laundry treatment apparatus comprises the steam generating device according to any one of claims 1-6.
8. A descaling control method of a steam generating apparatus for steam care of laundry treatment equipment, characterized by controlling the steam generating apparatus according to any one of claims 1to 6, comprising:
controlling the electric heating module to start;
acquiring the conductivity of water in the steam generating device;
and controlling the starting states of the electric heating module and the descaling module according to the conductivity.
9. The descaling control method of the steam generating apparatus according to claim 8, wherein the controlling the activation states of the electric heating module and the descaling module according to the magnitude of the electrical conductivity includes:
When the conductivity is in a set conductivity range, controlling the electric heating module to stop heating, determining the scaling degree of the electric heating module according to the conductivity, and adjusting the descaling strength of the descaling module according to the scaling degree of the electric heating module;
maintaining a start-up state of the electric heating module when the conductivity is less than a minimum value of the set conductivity range;
And when the conductivity is greater than or equal to the maximum value of the set conductivity range, controlling the electric heating module to stop heating, and sending prompt information to a user.
10. The descaling control method of the steam generator according to claim 9, wherein the descaling strength of the descaling module has a positive correlation with the electrical conductivity;
the descaling strength of the descaling module is in positive correlation with at least one of the electric field voltage, the electric field strength and the descaling duration of the descaling module.
CN202311720481.9A 2023-12-13 2023-12-13 Steam generating device, laundry treating apparatus, and control method Pending CN117906286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311720481.9A CN117906286A (en) 2023-12-13 2023-12-13 Steam generating device, laundry treating apparatus, and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311720481.9A CN117906286A (en) 2023-12-13 2023-12-13 Steam generating device, laundry treating apparatus, and control method

Publications (1)

Publication Number Publication Date
CN117906286A true CN117906286A (en) 2024-04-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311720481.9A Pending CN117906286A (en) 2023-12-13 2023-12-13 Steam generating device, laundry treating apparatus, and control method

Country Status (1)

Country Link
CN (1) CN117906286A (en)

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