CN112663293A - Sterilizing assembly of washing machine, washing machine and working method of washing machine - Google Patents
Sterilizing assembly of washing machine, washing machine and working method of washing machine Download PDFInfo
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- CN112663293A CN112663293A CN202011603037.5A CN202011603037A CN112663293A CN 112663293 A CN112663293 A CN 112663293A CN 202011603037 A CN202011603037 A CN 202011603037A CN 112663293 A CN112663293 A CN 112663293A
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Abstract
The invention provides a sterilization and disinfection assembly of a washing machine, the washing machine and a working method of the washing machine. The degerming and disinfecting assembly comprises an outer cylinder, an inner cylinder, an ultraviolet generating device and a heating device; the inner cylinder is provided with a light hole, the ultraviolet generating device is fixed between the outer cylinder and the inner cylinder, the heating device is fixed between the outer cylinder and the inner cylinder, and the arrangement position of the heating device is communicated to the accommodating cavity. The washing machine includes a sterilizing assembly. The working method of the washing machine comprises the steps of executing a first sterilization step when an execution instruction of the first sterilization step is obtained; the first sterilization step is a high-temperature sterilization step or an ultraviolet sterilization step; when the high-temperature sterilization step is executed, the heating device is controlled to work; and controlling the ultraviolet generating device to work when the step of sterilizing by ultraviolet rays is executed. The invention combines ultraviolet sterilization and high-temperature sterilization to improve the sterilization effect.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a sterilization and disinfection assembly of a washing machine, the washing machine and a working method of the washing machine.
Background
The sterilization means adopted by the washing machine with the sterilization function in the current market mainly comprises high-temperature sterilization, ozone sterilization and silver ion sterilization.
Wherein, the sterilization rate of ozone sterilization is low, the self taste of the ozone is too heavy, and the high concentration of the ozone causes harm to human bodies; the silver ion sterilization technology has a good sterilization effect, but silver ions can damage human DNA; wherein, the clothing of special material can not use high temperature disinfection, and the required disinfection temperature of its degerming disinfection is higher and disinfection time is longer.
Disclosure of Invention
A first object of the present invention is to provide a sterilizing module for a washing machine which improves sterilizing effects.
A second object of the present invention is to provide a washing machine that improves sterilizing effects.
A third object of the present invention is to provide a method for operating a washing machine that improves sterilizing effects.
The invention provides a degerming and disinfecting assembly of a washing machine, which comprises an outer cylinder and a rotatable inner cylinder, wherein the outer cylinder and the rotatable inner cylinder are fixedly arranged; the washing machine also comprises an ultraviolet generating device and a heating device; the inner cylinder is provided with a light hole which is communicated between the inner side and the outer side of the inner cylinder, the ultraviolet generating device is fixed between the outer cylinder and the inner cylinder, and the emitting end of the ultraviolet generating device faces the light hole; the heating device is fixed between the outer cylinder and the inner cylinder, and the arrangement position of the heating device is communicated to the accommodating cavity.
According to the scheme, the washing machine combines two sterilization means of ultraviolet sterilization and high-temperature sterilization, not only can select any one of the two means according to different clothes and has wider applicability, but also can sequentially perform ultraviolet sterilization and high-temperature sterilization, solves the problems of light restoration and dark restoration of bacteria subjected to ultraviolet sterilization by utilizing high-temperature sterilization, reduces sterilization time and improves sterilization capacity.
The further proposal is that the heating device is positioned below the horizontal position of the axis of the outer cylinder.
In another further scheme, the heating device is positioned at the bottom of the outer barrel.
Therefore, the horizontal position of the heating device is as low as possible, and the heating effect of the heating device on water can be ensured below the lowest water level.
The further proposal is that the outer cylinder is provided with a water tank, and an opening of the water tank is communicated with the accommodating cavity; the heating device is arranged in the water tank.
From top to bottom, the basin in must can be saved to the water in the cylinder, and this setting can guarantee that heating device and water fully contact, further improves the heating effect.
The further proposal is that the sectional area of the opening is larger than the sectional area of the rest positions on the water tank.
Further, the outline of the water tank is in an inverted trapezoid or an inverted triangle on the horizontal section.
From top to bottom, increase heat transfer area is in order to improve the heat transfer effect, and the heating efficiency of water is faster.
The further proposal is that the opening is arranged upwards.
Therefore, the distance between the accommodating cavities of the water tank and the inner cylinder is shorter, the flowing distance of water is reduced, and heat loss is reduced.
Further, at least two ultraviolet generating devices are arranged along the circumferential direction of the outer cylinder, and/or at least two ultraviolet generating devices are arranged along the axial direction of the outer cylinder.
In a further embodiment, the inner cylinder has a plurality of light-transmitting openings arranged along its circumference and/or the inner cylinder has a plurality of light-transmitting openings arranged along its axis.
In a further development, the inner contour of the light-transmitting opening is adapted to the outer contour of the emission end of the uv generator.
Therefore, the arrangement mode can reduce the blocking of the inner cylinder to ultraviolet rays, the ultraviolet rays can reach the inner cylinder to a greater extent, and the irradiation area is increased.
The washing machine provided by the invention comprises a sterilizing assembly, and the sterilizing assembly adopts the sterilizing assembly.
The invention also provides a working method of the washing machine, which adopts the washing machine; the working method comprises the steps of executing a first sterilization step when an execution instruction of the first sterilization step is obtained; the first sterilization step is a high-temperature sterilization step or an ultraviolet sterilization step; when the high-temperature sterilization step is executed, the heating device is controlled to work; and controlling the ultraviolet generating device to work when the step of sterilizing by ultraviolet rays is executed.
According to the scheme, the invention combines two sterilization means of ultraviolet sterilization and high-temperature sterilization, can select any one of the two means according to different clothes, has wider applicability and meets different sterilization requirements.
Further proposal is that after the first sterilization step is executed, a second sterilization step is also executed; when the first sterilization step is a high-temperature sterilization step, the second sterilization step is an ultraviolet sterilization step; when the first sterilization step is an ultraviolet sterilization step, the second sterilization step is a high-temperature sterilization step.
The method comprises the following steps that after the first sterilization step is executed, if a second sterilization step execution instruction is obtained, the second sterilization step is executed; when the first sterilization step is a high-temperature sterilization step, the second sterilization step is an ultraviolet sterilization step; when the first sterilization step is an ultraviolet sterilization step, the second sterilization step is a high-temperature sterilization step.
From top to bottom, the user can select to carry out the degerming processing of two kinds of different means in proper order, or according to the bactericidal effect after the degerming processing for the first time, whether the reselection needs to carry out the degerming processing for the second time, further guarantees degerming effect, and improves user experience.
Further proposal is that after the second sterilization step is executed, a dehydration step is also executed; and when the dehydration step is executed, sending a control signal to the motor to enable the inner drum of the washing machine to rotate according to a second preset rule.
In another further proposal, after the first sterilization step is carried out, an elution step is also carried out; and when the elution step is executed, sending a control signal to the motor to enable the inner drum of the washing machine to rotate according to a first preset rule.
Therefore, according to actual requirements, the washing effect can be ensured by performing the elution step after the first sterilization step; after the second sterilization step is completed, a dehydration step may be performed to complete the washing.
Drawings
FIG. 1 is a block diagram of a sterilizing assembly in an embodiment of a washing machine according to the present invention.
FIG. 2 is a schematic diagram of the sterilizing assembly in the embodiment of the washing machine according to the present invention.
Fig. 3 is a flow chart illustrating a first embodiment of an operating method of a washing machine according to the present invention.
Fig. 4 is a flowchart illustrating a second embodiment of an operating method of a washing machine according to the present invention.
Fig. 5 is a flow chart illustrating a third embodiment of an operating method of a washing machine according to the present invention.
Fig. 6 is a flow chart illustrating a fourth embodiment of an operating method of a washing machine according to the present invention.
Fig. 7 is a block diagram illustrating the operation of a washing machine according to a fifth embodiment of the present invention.
Detailed Description
Washing machine embodiment
Referring to fig. 1 and 2, fig. 1 is a structural diagram of a sterilizing assembly in an embodiment of a washing machine according to the present invention, and fig. 2 is a schematic positional relationship diagram of the sterilizing assembly in the embodiment of the washing machine according to the present invention. The washing machine provided by the invention is a roller washing machine with ultraviolet sterilization and disinfection functions and high-temperature sterilization and disinfection functions, and comprises the sterilization and disinfection component, wherein the sterilization and disinfection component comprises an inner cylinder 1, an outer cylinder 2, an ultraviolet generating device 3 and a heating device 5, and the roller washing machine further comprises lifting ribs 4 arranged on the inner wall surface of the inner cylinder 1.
The inner cylinder 1 and the outer cylinder 2 are coaxially arranged, the inner cylinder 1 is rotatably arranged on the inner periphery of the outer cylinder 2, and the inner cylinder 1 is driven by a motor. The inside of the drum 1 forms an accommodating chamber 100 for accommodating laundry. Light holes 11 are fully distributed on the inner cylinder 1, a plurality of light holes 11 are arranged along the circumferential direction of the inner cylinder 1, and the plurality of light holes 11 are arranged along the axial direction of the inner cylinder 1. The light transmission hole 11 penetrates between the accommodating chamber 100 and the outer periphery of the inner cylinder 1 in the radial direction of the inner cylinder 1.
The ultraviolet generating device 3 is fixed on the outer cylinder 2 and positioned between the inner cylinder 1 and the outer cylinder 2, and the three ultraviolet generating devices 3 are arranged along the circumferential direction of the outer cylinder 2. In this embodiment, the light hole 11 is a long hole, and the light hole 11 extends in a long shape along the axial direction of the inner cylinder 1. In other embodiments, the inner contour of the light-transmitting hole 11 can be adapted to the outer contour of the emitting end of other ultraviolet generating devices and can be configured in other shapes such as a circle, a square or a hexagon.
The ultraviolet generating device 3 has an emitting end, i.e., an ultraviolet light source, having an outer contour elongated in the axial direction of the outer tube 2. When the inner cylinder 1 rotates to a certain angle, the emitting end of the ultraviolet generating device 3 faces the light hole 11, and the ultraviolet emitted by the emitting end irradiates the accommodating cavity 100 from the light hole 11.
The bottom of the outer cylinder 2 is provided with three water channels 21 with an inverted trapezoid axial cross-sectional profile, the water channels 21 have upward openings 210, and the cross-sectional area of the water channels 21 is gradually increased from the bottom to the openings 210 due to the inverted trapezoid axial cross-sectional profile of the water channels 21, that is, the cross-sectional area of the water channels 21 is larger than the cross-sectional area of the rest positions on the water channels 21. Each water tank 21 is fixedly provided with a heating device 5, and the heating device 5 is a tubular heater. The opening 210 of the water tank 21 at the bottom of the outer cylinder 2 is aligned with the inner cylinder 2 from below, and this arrangement ensures that the heating device 5 is located below the lowest water level line in various operating modes, ensuring the heat exchange effect between the heating device 5 and water.
In other embodiments, the axial cross-sectional profile of the sink is inverted trapezoidal; in other embodiments, the water tank is arranged at other positions below the horizontal position of the axis of the outer cylinder and above the bottom of the outer cylinder; in other embodiments, a plurality of ultraviolet generating devices are arranged along the axial direction of the outer cylinder.
Operation method of washing machine in first embodiment
Referring to fig. 1 to 3, fig. 3 is a block diagram illustrating a first embodiment of a method for operating a washing machine according to the present invention. In this embodiment, the system of the washing machine first performs the determination step S1 to determine whether or not to obtain the ultraviolet sterilization step execution command. Wherein, the ultraviolet sterilization step execution instruction is the first sterilization step execution instruction of the present invention. When the user puts the laundry into the accommodating chamber 100 and presses the "ultraviolet sterilization" button or the "laundry" button with the ultraviolet sterilization function on the operation panel of the washing machine, if the result of the determination of step S1 is yes, step S2 is performed, the ultraviolet generating device 3 is activated with the preset irradiation intensity and irradiation duration, and a control signal is sent to the motor to rotate the inner tub 1 in the preset rule, so as to perform the ultraviolet sterilization treatment.
After step S2 is completed, the system proceeds to step S3 to determine whether an execution command for the pasteurization step is obtained. Wherein the high-temperature sterilization step execution instruction is the second sterilization step execution instruction of the present invention. If the user presses the "high temperature sterilization" button on the operation panel, the determination result in step S3 is yes, and then step S4 is executed to activate and control the heating device to operate to perform the high temperature sterilization and disinfection process on the clothes. The high-temperature sterilization and disinfection treatment sequentially comprises the steps of water injection, water heating to a preset temperature and clothes soaking, and meanwhile, the system sends a control signal to the motor to enable the inner cylinder 1 to rotate according to a preset rule. Because the inner wall surface of the inner drum 1 is provided with the lifting ribs 4, the lifting ribs 4 can drive the clothes when the inner drum 1 rotates, and the clothes can be fully heated.
After completion of step S4, an elution step S5 is performed. The elution step refers to a step of performing washing and dehydration. In addition, when the judgment result of step S1 or step S3 is no, the system performs step S5 to wash the laundry.
The light reactivation of the microorganism is mainly realized by the action of light with specific wavelength by the photolyase, and the reaction process follows the enzyme catalysis kinetic principle. The light intensity is increased, and the factors influencing the microbial light reactivation are mainly ultraviolet disinfection equipment, irradiation dose, reactivation light source and temperature. The rate constant of photoactivation increases when the temperature is raised from 5 ℃ to 30 ℃. And the temperature of 5 ℃ to 30 ℃ is just the temperature for airing and storing clothes, and if the ultraviolet sterilization and disinfection treatment is completed and the normal clothes washing step is carried out, the clothes washing is completed, so that the effect of thorough sterilization cannot be achieved. Therefore, after the ultraviolet sterilization step, the high-temperature sterilization step can be complemented with the ultraviolet sterilization step to solve the problem of bacterial virus revival, and further improve the sterilization effect.
Second embodiment of operation method of washing machine
Referring to fig. 1, 2 and 4, fig. 4 is a block diagram illustrating a flow of a second embodiment of an operating method of a washing machine according to the present invention. In this embodiment, the system of the washing machine first performs the determination step S11 to determine whether or not to obtain the sterilization step execution command. Wherein, the sterilization step execution instruction is the first sterilization step execution instruction of the present invention. When the user puts the laundry into the accommodating chamber 100 and presses the "sterilization" button or the "laundry with sterilization function" button on the operation panel of the washing machine, if the determination result of the step S11 is yes, the step S12 is performed, and the heating device 5 is activated and controlled to operate to perform the high temperature sterilization and disinfection process on the laundry.
After completion of the step S12, an elution step S13 is performed to elute the laundry. After the step S13 is completed, step S14 is executed to start the ultraviolet generating device 3 with the preset irradiation intensity and irradiation duration, and send a control signal to the motor to rotate the inner cylinder 1 in a preset rule, so as to perform the ultraviolet sterilization and disinfection process.
In addition, if the determination result of step S11 is no, the system performs an elution step S15 to perform an elution process on the laundry.
Method for operating washing machine in third embodiment
Referring to fig. 1, 2 and 5, fig. 5 is a flowchart illustrating a method for operating a washing machine according to a third embodiment of the present invention. In this embodiment, the system of the washing machine first performs the determination step S21 to determine whether or not to obtain the sterilization step execution command. Wherein, the sterilization step execution instruction is the first sterilization step execution instruction of the present invention. When the user puts the laundry into the accommodating chamber 100 and presses the "sterilization" button or the "laundry" button with sterilization function on the operation panel of the washing machine, if the judgment result of the step S21 is yes, the step S22 is performed, the ultraviolet generating device 3 is started with the preset irradiation intensity and irradiation duration, and the control signal is sent to the motor to rotate the inner tub 1 in the preset rule, so as to perform the ultraviolet sterilization and disinfection treatment.
After completion of the step S22, an elution step S23 is performed to elute the laundry. After the step S23 is completed, step S24 is executed to activate and control the operation of the heating device 5 to perform the high temperature sterilization treatment on the clothes. After the completion of the step S24, a dehydrating step S25 is performed to further dehydrate the laundry.
In addition, if the determination result of step S21 is no, the system performs an elution step S26 to perform an elution process on the laundry.
Method for operating washing machine
Referring to fig. 1, 2 and 6, fig. 6 is a flow chart diagram of a fourth embodiment of an operating method of a washing machine according to the present invention. In this embodiment, the system of the washing machine first performs the determination step S31 to determine whether or not to obtain the ultraviolet sterilization step execution command. Wherein, the ultraviolet sterilization step execution instruction is the first sterilization step execution instruction of the present invention.
When the user puts the laundry into the accommodating chamber 100 and presses the "ultraviolet sterilization" button or the "laundry" button with the ultraviolet sterilization function on the operation panel of the washing machine, if the result of the determination of step S31 is yes, step S32 is performed, the ultraviolet generating device 3 is activated with the preset irradiation intensity and irradiation duration, and a control signal is sent to the motor to rotate the inner tub 1 in the preset rule, so as to perform the ultraviolet sterilization treatment. After completion of step S32, an elution step S33 is performed to perform an elution process for the laundry.
Fifth embodiment of operation method of washing machine
Referring to fig. 1, 2 and 7, fig. 7 is a block diagram illustrating a flow of a fifth embodiment of an operating method of a washing machine according to the present invention. In this embodiment, the system of the washing machine first performs the determination step S41 to determine whether to obtain the execution command of the high-temperature sterilization step. Wherein, the high temperature sterilization step execution instruction is the first sterilization step execution instruction of the present invention.
When the user puts the laundry into the accommodating chamber 100 and presses the "high temperature sterilization" button or the "laundry with high temperature sterilization" button on the operation panel of the washing machine, if the determination result of the step S41 is yes, the step S42 is performed, and the heating device 5 is activated and controlled to operate to perform the high temperature sterilization and disinfection process on the laundry. After completion of step S42, an elution step S43 is performed to perform an elution process for the laundry.
The washing machine disclosed by the invention combines two sterilization means of ultraviolet sterilization and high-temperature sterilization, not only can select any one of the two means according to different clothes and has wider applicability, but also can sequentially perform ultraviolet sterilization and high-temperature sterilization, and the problem of light restoration and dark restoration of bacteria after ultraviolet sterilization is solved by utilizing high-temperature sterilization, so that the sterilization time is reduced, and the sterilization capability is improved.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (16)
1. The sterilization and disinfection component of the washing machine comprises an outer cylinder and a rotatable inner cylinder which are fixedly arranged, wherein the inner cylinder is positioned on the inner periphery of the outer cylinder, and an accommodating cavity is formed inside the inner cylinder;
the method is characterized in that:
the washing machine also comprises an ultraviolet generating device and a heating device;
the inner barrel is provided with a light hole which is communicated between the inner side and the outer side of the inner barrel, the ultraviolet generating device is fixed between the outer barrel and the inner barrel, and the emitting end of the ultraviolet generating device faces the light hole;
the heating device is fixed between the outer cylinder and the inner cylinder, and the arrangement position of the heating device is communicated to the accommodating cavity.
2. A sterilizing assembly for a washing machine according to claim 1, characterized in that:
the heating device is located below the horizontal position of the axis of the outer barrel.
3. A sterilizing assembly for a washing machine according to claim 2, characterized in that:
the heating device is positioned at the bottom of the outer barrel.
4. A sterilizing assembly for a washing machine according to any one of claims 1 to 3, characterized in that:
the outer barrel is provided with a water tank, and an opening of the water tank is communicated to the accommodating cavity;
the heating device is arranged in the water tank.
5. A sterilizing assembly for a washing machine according to claim 4, characterized in that:
the sectional area of the opening is larger than that of the rest positions on the water tank.
6. A sterilizing assembly for a washing machine according to claim 5, characterized in that:
on the section in the horizontal direction, the outline of basin is the profile of falling trapezoidal or the triangle-shaped of falling.
7. A sterilizing assembly for a washing machine according to claim 4, characterized in that:
the opening is arranged upwards.
8. A sterilizing assembly for a washing machine according to any one of claims 1 to 3, characterized in that:
at least two ultraviolet generating devices are arranged along the circumferential direction of the outer cylinder,
and/or the presence of a gas in the gas,
at least two ultraviolet generating devices are arranged along the axial direction of the outer cylinder.
9. A sterilizing assembly for a washing machine according to any one of claims 1 to 3, characterized in that:
the inner cylinder is provided with a plurality of light holes arranged along the circumferential direction of the inner cylinder,
and/or the presence of a gas in the gas,
the inner cylinder is provided with a plurality of light holes arranged along the axial direction of the inner cylinder.
10. A sterilizing assembly for a washing machine according to any one of claims 1 to 3, characterized in that:
the inner contour of the light hole is matched with the outer contour of the transmitting end of the ultraviolet generating device.
11. Washing machine, including degerming disinfection subassembly, its characterized in that:
the sterilizing assembly employing the sterilizing assembly of any one of claims 1 to 10.
12. The working method of the washing machine is characterized in that:
the washing machine adopts the washing machine of the above claim 11;
the working method comprises the following steps:
when a first sterilization step execution instruction is obtained, executing a first sterilization step;
the first sterilization step is a high-temperature sterilization step or an ultraviolet sterilization step;
when the high-temperature sterilization step is executed, controlling the heating device to work;
and controlling the ultraviolet generating device to work when the step of sterilizing by ultraviolet rays is executed.
13. The operating method of a washing machine as claimed in claim 12, wherein:
after the first sterilization step is executed, a second sterilization step is also executed;
when the first sterilization step is the high-temperature sterilization step, the second sterilization step is the ultraviolet sterilization step;
and when the first sterilization step is the ultraviolet sterilization step, the second sterilization step is the high-temperature sterilization step.
14. The operating method of a washing machine as claimed in claim 12, wherein:
after the first sterilization and disinfection step is executed, if a second sterilization and disinfection step execution instruction is obtained, executing a second sterilization and disinfection step;
when the first sterilization step is the high-temperature sterilization step, the second sterilization step is the ultraviolet sterilization step;
and when the first sterilization step is the ultraviolet sterilization step, the second sterilization step is the high-temperature sterilization step.
15. The operating method of a washing machine as claimed in claim 13 or 14, wherein:
after the second sterilization step is executed, a dehydration step is also executed;
and when the dehydration step is executed, sending a control signal to a motor to enable the inner drum of the washing machine to rotate according to a second preset rule.
16. The operating method of a washing machine as claimed in any one of claims 12 to 14, wherein:
after the first sterilization step is executed, an elution step is also executed;
and when the elution step is executed, sending a control signal to a motor to enable the inner barrel of the washing machine to rotate according to a first preset rule.
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| CN202011603037.5A CN112663293A (en) | 2020-12-29 | 2020-12-29 | Sterilizing assembly of washing machine, washing machine and working method of washing machine |
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| CN202011603037.5A CN112663293A (en) | 2020-12-29 | 2020-12-29 | Sterilizing assembly of washing machine, washing machine and working method of washing machine |
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| CN214193819U (en) * | 2020-12-29 | 2021-09-14 | 珠海格力电器股份有限公司 | Washing machine and sterilization and disinfection assembly thereof |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20130051541A (en) * | 2011-11-10 | 2013-05-21 | 삼성전자주식회사 | Washing machine and control method thereof |
| CN105369558A (en) * | 2014-08-29 | 2016-03-02 | 青岛海尔滚筒洗衣机有限公司 | Self-cleaning roller washing machine |
| CN204676324U (en) * | 2015-05-04 | 2015-09-30 | 徐伟明 | A kind of automatic washing machine with disinfection function |
| CN208038821U (en) * | 2017-08-16 | 2018-11-02 | 青岛海尔洗衣机有限公司 | A kind of washing machine with ultraviolet sterilization device |
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