WO2022028441A1 - 一种洗涤设备杀菌方法及洗涤设备 - Google Patents

一种洗涤设备杀菌方法及洗涤设备 Download PDF

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Publication number
WO2022028441A1
WO2022028441A1 PCT/CN2021/110422 CN2021110422W WO2022028441A1 WO 2022028441 A1 WO2022028441 A1 WO 2022028441A1 CN 2021110422 W CN2021110422 W CN 2021110422W WO 2022028441 A1 WO2022028441 A1 WO 2022028441A1
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Prior art keywords
washing tub
washing
sterilization
gas
liquid level
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PCT/CN2021/110422
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English (en)
French (fr)
Inventor
吕艳芬
许升
袁静
田书君
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重庆海尔洗衣机有限公司
海尔智家股份有限公司
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Publication of WO2022028441A1 publication Critical patent/WO2022028441A1/zh

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    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/32—Air flow control means
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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

Definitions

  • the invention relates to the field of sterilization treatment, in particular, to a sterilization method for washing equipment and washing equipment.
  • the ultraviolet generating device works synchronously, and the emitted ultraviolet rays are radiated to the clothes through the liquid flow in a radial manner And on the surface of the barrel wall of the washing tub, when the washing is finished, the ultraviolet generating device stops working; c then enters the rinsing stage, and after rinsing, the liquid is removed to complete the laundry.
  • the invention uses the ultraviolet generating device to sterilize only when the washing machine is washing, which is relatively limited. And it does not mention how to use auxiliary methods such as rotating the inner barrel to improve the sterilization effect of the ultraviolet generating device.
  • a Chinese invention patent discloses an ultraviolet sterilization washing machine.
  • the ultraviolet sterilization washing machine includes an outer cylinder and an inner cylinder arranged coaxially with the outer cylinder.
  • the outer cylinder is communicated with a circulation pipeline, and the circulation pipe
  • the washing liquid inside the outer cylinder flows into the circulation pipeline under the drive of the circulation pump, and then flows back to the outer cylinder after being irradiated and sterilized by the ultraviolet sterilizer.
  • the ultraviolet sterilizer includes an airtight box and an ultraviolet generator fixed on the inner side of the airtight box. The washing machine has a remarkable sterilization effect.
  • the ultraviolet generator of the invention is arranged at the circulating pump, it sterilizes the circulating liquid, and when the circulating pump is working, the washing machine must be in the washing stage, that is, the ultraviolet generator of this patent only performs the sterilizing treatment during the washing stage.
  • the present invention aims to solve the technical problem that the sterilization method of the previous washing equipment is only applicable to the sterilization treatment by the ultraviolet sterilization device when the washing equipment operates in a specific stage, and has relatively limited technical problems.
  • the present invention also solves the technical problem that the auxiliary ultraviolet sterilization method in the sterilization method of the washing equipment in the past cannot obtain a better sterilization effect.
  • the purpose of the present invention is to provide a sterilization method for washing equipment in which the auxiliary sterilization mode is reasonably set according to the water level in the washing tub, and the arrangement of the auxiliary ultraviolet sterilization means can make the ultraviolet sterilization device obtain a better sterilization effect.
  • the invention provides a sterilization method for washing equipment.
  • the ultraviolet sterilization device is controlled to sterilize the washing tub, and different auxiliary sterilization methods are adopted according to the liquid level in the washing tub during the sterilization treatment.
  • the sterilization method for washing equipment provided by the present invention is suitable for all stages of operation of the washing equipment, and the auxiliary sterilization mode can be reasonably set according to the liquid level of the washing tub during the entire operation of the washing equipment.
  • the auxiliary sterilization mode set in the sterilization method provided by the present invention enables the ultraviolet sterilization device to obtain a better sterilization effect.
  • the auxiliary sterilization method includes any one or a combination of controlling the washing tub to rotate at a set rotational speed, controlling the exchange of the gas in the washing tub with the outside world, and controlling the circulating flow of the gas inside the washing tub through the air duct.
  • the setting of the auxiliary sterilization mode makes the gas and/or liquid flow in the washing tub, so that the range of gas and/or liquid irradiated by the ultraviolet sterilization device is larger, and the flow of gas and/or liquid in the washing tub itself will prevent Breeding bacteria, further improving the sterilization effect of the ultraviolet sterilization device.
  • controlling the washing tub to rotate at a set rotational speed specifically includes: when the liquid level in the washing tub > the first set value, controlling the washing tub to rotate at the first set rotational speed during sterilization; When ⁇ the first set value, the washing tub is controlled to rotate at the second set speed during sterilization; the second set speed > the first set speed.
  • the gas in the washing tub is controlled to exchange with the outside during the sterilization treatment.
  • the gas in the washing tub can be controlled to exchange with the outside world, and the gas flows through the exchange of the gas in the washing tub to further improve the sterilization effect.
  • the gas in the washing chamber is controlled to circulate through the air duct during the sterilization treatment.
  • the gas in the washing tub is controlled to circulate through the air duct during sterilization treatment, and the sterilization effect is improved through the circulating flow of the gas in the washing tub.
  • the bacterial content in the washing tub is detected before the sterilization treatment; when the liquid level in the washing tub is less than or equal to the first set value and the bacterial content in the washing tub is greater than or equal to the second set value, the washing tub is controlled to the first set value during the sterilization treatment.
  • the bacterial content in the washing tub is detected before the sterilization treatment; when the first set value ⁇ the liquid level in the washing tub ⁇ the full-load liquid level of the washing tub and the bacterial content in the washing tub ⁇ the second set value, the washing is controlled during the sterilization treatment.
  • the bucket rotates at the first set speed to control the exchange of gas in the washing bucket with the outside world; when the first set value ⁇ the liquid level in the washing bucket ⁇ the full liquid level of the washing bucket and the bacterial content in the washing bucket ⁇ the second set value , during the sterilization treatment, the washing tub is controlled to rotate at the first set rotational speed or the gas in the washing tub is controlled to exchange with the outside world.
  • the ultraviolet sterilization device not only controls the rotation of the washing tub during operation, but also reasonably improves the sterilization effect by assisting the flow of gas in the washing tub.
  • the sterilization method of washing equipment comprises the following steps:
  • Step S1 before the sterilization treatment, detecting the liquid level and bacterial content in the washing tub;
  • step S2 compare the liquid level in the washing tub with the first set value and the full-load liquid level of the washing tub.
  • step S3 is performed.
  • Step S6 is performed when the inner liquid level is less than or equal to the first set value;
  • Step S3 compare the bacterial content in the washing tub with the second set value, execute step S4 when the bacterial content in the washing tub ⁇ the second set value, and execute step S4 when the bacterial content in the washing tub ⁇ the second set value S5;
  • Step S4 during the sterilization treatment, the washing tub is controlled to rotate at the first set rotational speed, and the gas in the washing tub is controlled to be exchanged with the outside world;
  • Step S5 during the sterilization treatment, the washing tub is controlled to rotate at the first set rotational speed or the gas in the washing tub is controlled to be exchanged with the outside world;
  • Step S6 compare the bacterial content in the washing tub with the second set value, execute step S7 when the bacterial content in the washing tub ⁇ the second set value, and execute step S7 when the bacterial content in the washing tub is less than the second set value S8;
  • Step S7 control the washing tub to rotate with the second set rotational speed during sterilization, control the gas inside the washing tub to circulate through the air duct and/or the gas in the washing tub to exchange with the outside world;
  • Step S8 during the sterilization treatment, the washing tub is controlled to rotate at the second set rotational speed, or the gas inside the washing tub is controlled to circulate through the air duct, or the gas in the washing tub is controlled to be exchanged with the outside world.
  • the present invention also provides a washing device, wherein a washing bucket is arranged in the washing device, and an ultraviolet sterilization device for sterilizing the washing bucket is arranged in the washing device, and the above-mentioned method for sterilizing the washing device is adopted.
  • an auxiliary sterilization device for controlling the flow of gas and/or liquid inside the washing device is provided in the washing device, and the auxiliary sterilization device includes a fan, a fan, and a pump.
  • the washing equipment can control the rotation of the gas and/or liquid in the washing tub during the sterilization process, thereby improving the sterilization effect.
  • the present invention has the following beneficial effects compared with the prior art:
  • the washing equipment sterilization method provided by the present invention can be applied to all stages of the washing equipment operation. Compared with the previous washing equipment sterilization method which is only applicable to specific washing procedures, the washing equipment sterilization method of the present invention has a wider application range.
  • a reasonable auxiliary sterilization mode can be set according to the liquid level in the washing tub during the entire operation process of the washing equipment. That is, according to the sterilization method for washing equipment provided by the present invention, a set of sterilization procedures can be used in the washing equipment to control the washing equipment to perform sterilization treatment in all stages of operation.
  • the sterilization method for washing equipment provided by the present invention is provided with an auxiliary sterilization method, and the auxiliary sterilization method enables the gas and/or liquid in the washing tub to flow, thereby enabling the ultraviolet sterilization device to achieve better sterilization effect.
  • the sterilization method for washing equipment includes controlling the washing tub to rotate at a set rotational speed according to the liquid level in the washing tub.
  • the washing tub contains liquid and the rotation consumption is large
  • the washing tub is controlled to rotate at the first set speed with a slower speed; and when the washing tub contains no liquid, the washing tub is controlled to rotate at the second setting speed with a faster speed.
  • the rotational speed rotates, thereby forming a swirling airflow in the washing tub, and the dirt in the groove in the washing tub is sucked into the position where the ultraviolet sterilization device can be irradiated by the adsorption capacity of the swirling airflow, so as to further improve the sterilization effect. That is, in the present invention, the setting for controlling the rotation of the washing tub during the sterilization process is relatively reasonable, which not only does not consume much energy, but also makes the gas and/or liquid in the washing tub rotate to improve the sterilization effect.
  • a fan and/or a fan blower can also be set in the washing equipment, so that the air in the washing tub circulates through the air duct and/or the air in the washing tub is exchanged with the outside world, and then The air in the washing tub is made to flow, so that the ultraviolet sterilization device contacts more air in the washing tub, and a better sterilization effect is achieved. And according to the liquid content in the washing tub, the way to control the gas flow in the washing tub is reasonably selected. Avoid exchanging the gas in the washing tub with the outside when the washing tub contains more liquid and less gas, wasting energy; avoid circulating the gas in the washing tub through the air duct when the washing tub contains liquid, causing the liquid to enter Air duct possible.
  • the present invention proposes to set the auxiliary sterilization mode more rationally by comprehensively considering the liquid level in the washing tub and the bacterial content in the washing tub.
  • the bacterial content in the washing tub is high, in addition to controlling the rotation of the washing tub during the sterilization process, the effect of sterilization is further ensured by making the air flow in the washing tub.
  • the current washing equipment may need to control the rotation of the washing tub during the washing process; and in the drying process, a fan may be required to make the air flow in the washing tub, or the air inside the washing tub can be exchanged with the outside world through a fan;
  • the operation of the washing equipment itself during the washing process can be used to control the ultraviolet sterilization device to perform sterilization work when the washing liquid and/or air in the washing tub flow. It makes it unnecessary to flow the washing liquid and/or air inside the washing device separately for the sterilization work, thereby saving energy.
  • an auxiliary sterilization device is also set up, so that the gas and/or liquid in the washing tub rotate, and the sterilizing device can contact the more in the washing tub. Gas and/or liquid, so that the sterilizing device can sterilize the washing liquid and/or air in the washing tub to achieve better sterilization effect.
  • Fig. 1 is the schematic diagram of setting pump and rotating unit in the washing equipment of the present invention
  • Fig. 2 is the schematic diagram of setting fan and rotating unit in the washing equipment of the present invention
  • Fig. 3 is the schematic diagram of setting fan in the washing equipment of the present invention.
  • FIG. 4 is a schematic diagram of the steps of the sterilization method for washing equipment of the present invention.
  • ultraviolet sterilization devices are installed in the interior of washing machines, washing-drying machines, dishwashers and other equipment for sterilization treatment.
  • the above-mentioned ultraviolet sterilization device mainly sterilizes the static gas and/or air in the washing tub 5 by irradiating ultraviolet rays.
  • the ultraviolet sterilization device 6 due to the limited irradiation range of the ultraviolet sterilization device 6, when the static gas and/or liquid is sterilized, the gas and/or liquid in the washing tub 5 that the ultraviolet sterilization device 6 contacts is limited, which affects the sterilization of the washing tub 5. Bactericidal effect.
  • an auxiliary sterilization device for making the gas and/or liquid flow in the washing tub 5 has been arranged in the washing equipment, and the ultraviolet sterilization device is contacted with more gas and/or liquid by the auxiliary sterilization device, so as to improve the sterilization effect. And when the auxiliary sterilizing device makes the gas and/or liquid in the washing tub 5 flow, the flowing gas and/or liquid can prevent the growth of bacteria.
  • the auxiliary sterilization devices currently provided are relatively simple, and most of them can only control the rotation of the gas or liquid in the washing tub.
  • the sterilization method of washing equipment can often only control the auxiliary sterilization device to perform sterilization treatment at a certain stage in the washing process, and the sterilization method cannot be applied to the whole process of washing.
  • this embodiment provides a washing equipment as shown in FIGS. 1-3 .
  • the washing equipment may be a washing machine, a clothes dryer, an all-in-one washer-drying machine, a dishwasher, etc.
  • This embodiment takes a washing machine as an example for description.
  • Various types of sterilization devices can be installed in the washing equipment to sterilize the interior of the washing equipment, for example, ultraviolet sterilization devices 6 and ozone sterilization devices are installed in the washing equipment.
  • the washing tub 5 described in this embodiment is the inner tub of the washing machine.
  • the ultraviolet sterilization device 6 is arranged in the washing equipment at a position where the washing tub 5 can be irradiated, and the ultraviolet rays emitted by the ultraviolet sterilization device 6 irradiate the washing tub 5 to sterilize the gas and/or liquid in the washing tub 5 .
  • a pump 2 may be provided inside the washing machine in which the above-mentioned ultraviolet sterilization device 6 is provided.
  • the range of the liquid in the washing tub 7 that can be irradiated by the ultraviolet sterilizing device 6 is limited, so that the ultraviolet sterilizing device 6 cannot sterilize all the liquid in the washing tub 5 .
  • the liquid in the washing tub 5 can be controlled to flow in the washing tub 5, and along with the flow of the washing liquid, the ultraviolet sterilizing device 6 can be contacted without changing the ultraviolet sterilizing device 6. More liquid can be sent to the washing tub 5 , thereby improving the sterilization effect of the ultraviolet sterilization device 6 on the liquid in the washing tub 5 .
  • a rotation unit 1 is also arranged in the washing machine to control the rotation of the washing tub 5 .
  • the washing machine will make the inner tub, i.e. the washing tub 5, rotate during the washing process, and the device for realizing its rotation may be a motor, a pulsator, or the like.
  • the rotating unit 1 rotates the washing tub 5
  • the gas and liquid inside the washing tub 5 will rotate with the washing tub 5, that is, the effect of making the gas and liquid flow, so that the ultraviolet sterilizing device 6 enhances the sterilizing effect as described above.
  • a fan 3 may also be provided in the washing apparatus of this embodiment.
  • the washing machine shown in FIG. 2 is an all-in-one washing and drying machine, and a drying air duct 7 and a fan 3 for drying clothes are provided in the all-in-one washing and drying machine.
  • the setting of the drying air duct 7 and the fan 3 enables the air inside the washer-drying machine to circulate between the drying air duct 7 and the interior of the washing tub 5 .
  • the air near the ultraviolet sterilizing device 6 can be continuously changed, so that the ultraviolet sterilizing device 6 can irradiate all the gas in the washing tub 5 of the integrated washer-drying machine, so that the ultraviolet sterilizing device 6 can be irradiated. All the gas inside the washing tub 5 is sterilized.
  • the drying air duct 7 and the fan 3 provided inside the washer-drying machine can achieve the effect of promoting the air circulation inside the washing tub 6, and no other device is required, so that the ultraviolet sterilization device 6 can achieve better sterilization effect.
  • the circulating flow of the gas between the washing tub 5 and the drying air duct 7 itself can reduce the breeding of bacteria.
  • the purpose of improving the sterilization effect of the ultraviolet sterilization device 6 can also be achieved by adding a fan 3 inside the washing machine.
  • a pump 2 and/or a fan 3 may also be provided in the inner cavity of the dishwasher to flow gas and/or liquid in the inner cavity.
  • a fan 4 is also provided inside the washing machine, and the outside air can flow into the washing tub 5 through the setting of the fan 4, and the air inside the washing tub 5 flows to the outside.
  • the setting of the fan 4 can first make the gas in the washing tub 5 flow, and then make the range of the gas that the ultraviolet sterilization device 6 can irradiate to become larger, and the ultraviolet sterilization device 6 has a better disinfection and sterilization effect on the air in the washing tub 5.
  • the air inside the washing tub 5 is continuously exchanged with the outside world, so that the gas inside the washing tub 5, which is more likely to breed bacteria, can be brought to the outside world, and the fresh air from the outside can be brought back to the washing tub. within 5. That is, the bacteria content in the washing tub 5 can be reduced by the setting of the fan 4 itself, and when the fan 4 and the ultraviolet sterilization device 6 work together, the sterilization effect on the washing tub 5 can be improved.
  • the blower 4 When the blower 4 is installed in the washing equipment, the blower 4 can be directly used to exchange the air in the washing tub 5 with the outside world, or the blower 4 can be added to the washing equipment without the blower 4.
  • the rotating unit 1 and/or the pump 3 and/or the fan 4 can be continuously superimposed in the washing equipment, so as to further improve the internal pressure of the washing tub 5 . bactericidal effect.
  • an auxiliary sterilization device that can flow gas and/or liquid in the washing tub 5 is also provided.
  • the auxiliary sterilization device can be in various forms, all of which can achieve the effect of making the gas and/or liquid flow in the washing tub 5 relatively simple.
  • the flow of gas and/or liquid enables the sterilization device to contact or irradiate more gas and/or liquid, thereby increasing the amount of gas and/or liquid that the sterilization device can sterilize and achieve better sterilization effect.
  • this embodiment provides a sterilization method for washing equipment, wherein the washing equipment is the washing equipment described in Embodiment 1.
  • the previous sterilization methods of washing equipment are only suitable for certain specific washing stages.
  • the gas and/or liquid in the washing tub are rotated by the rotation of the washing tub 5, or the liquid in the washing tub 5 is circulated and flowed by means of a circulating pump, and the gas and/or liquid flows in the circulation pump.
  • the sterilization treatment is performed by the ultraviolet sterilization device 6 in the state.
  • the flow of gas is used to assist the ultraviolet sterilization device 6 to perform sterilization treatment.
  • this embodiment provides a sterilization method suitable for all stages of the washing process.
  • a sterilization program for controlling the ultraviolet sterilization device according to the sterilization method, and then a reasonable sterilization treatment can be carried out at any stage in the washing process.
  • This embodiment provides a sterilization method for washing equipment, which controls the ultraviolet sterilization device to perform sterilization treatment at any stage of operation of the washing equipment, and adopts different auxiliary sterilization methods according to the liquid level in the washing tub 5 during sterilization treatment.
  • the sterilization method provided in this embodiment mainly selects a reasonable auxiliary sterilization method according to the liquid level in the washing tub 5, and can only set the sterilization method according to the liquid level in the washing tub during the whole washing process. That is to say, at any stage of the operation of the washing equipment, a reasonable sterilization method can be set only by detecting the liquid level in the washing tub, and a set of procedures can be set according to the sterilization method in the washing equipment to realize the control of the sterilization method at any stage. .
  • the auxiliary sterilization method includes controlling the washing tub 5 to rotate at a set rotational speed, controlling the exchange of the gas in the washing tub 5 with the outside world, and controlling the gas inside the washing tub 5 to circulate through the air duct.
  • the above-mentioned auxiliary sterilization methods can all achieve the effect of making the gas and/or liquid flow in the washing tub 5, and the reason why the gas and/or liquid flow can improve the sterilization effect has been discussed before. Therefore, the above-mentioned auxiliary sterilization method can improve the Bactericidal effect.
  • setting the auxiliary sterilization method according to the liquid level in the washing tub includes: when the liquid level in the washing tub > the first set value, controlling the washing tub 5 to rotate at the first set rotational speed during sterilization; When the bit ⁇ the first set value, the washing tub 5 is controlled to rotate at the second set rotation speed during the sterilization treatment; the second set rotation speed>the first set rotation speed.
  • the first set value is close to 0, and comparing the liquid level in the washing tub with the first set value is equivalent to judging whether the washing tub 5 contains liquid.
  • the first set rotational speed may be the rotational speed of the washing tub 5 during normal washing, and the rotational speed does not need to be too fast, for example, it is set to 50 rpm.
  • the energy required to control the rotation of the washing tub 5 is relatively low.
  • the washing tub 5 is controlled to rotate at a second set rotation speed higher than the first set rotation speed.
  • the second set rotational speed is much greater than the first set rotational speed, and can even reach 1600 rpm. Control the washing tub 5 to rotate at such a high speed, so that a swirling airflow similar to a "tornado" is formed in the washing tub 5.
  • the air pressure inside the swirling airflow is much smaller than the external air pressure, so that the small objects located near the swirling airflow are easily "sucked into the air”.
  • the washing tub 5 is controlled to rotate at the second set rotational speed, so that the effect of sterilizing fine dirt is more favorable on the basis of the gas flow in the washing tub 5 .
  • the sterilization method of controlling the rotation of the washing tub 5 according to the liquid level of the washing tub provided in this embodiment is set reasonably, so as to avoid excessive energy consumption for controlling the rapid rotation of the washing tub 5 when there is liquid in the washing tub 5 and the load is heavy; It does not contain liquid and rotates quickly when the load is light, generating a rotating airflow to enhance the sterilization ability of small dirt and further improve the sterilization effect.
  • This embodiment also proposes that when the liquid level in the washing tub ⁇ the first set value, the gas circulation in the washing tub 5 is controlled during the sterilization treatment.
  • the method of setting the drying air duct 7 and the fan 3 as described in the previous embodiment, or the method of setting the fan 3 in the washing tub 5 can be adopted. Because when the liquid level in the washing tub > the first set value, that is, when there is liquid in the washing tub 5, if the air duct and the fan 3 work, it will be easier to suck the liquid into the air duct, especially when the liquid enters the drying air duct 7 will affect the drying effect.
  • this embodiment proposes that when the liquid level in the washing tub ⁇ the first set value, that is, when the washing tub 5 contains no liquid, such as when the washing equipment is in the drying stage, the gas inside the washing tub 5 is controlled during sterilization treatment.
  • the air duct circulates. In this way, while making the gas flow in the washing tub 5, it can also prevent the drying effect of the washing equipment from being affected and the normal use of the fan being affected.
  • This embodiment also proposes that when the liquid level in the washing tub ⁇ the full liquid level of the washing tub, the gas in the washing tub is controlled to exchange with the outside during the sterilization treatment.
  • the liquid level in the washing tub ⁇ the full liquid level of the washing tub it is equivalent to when the washing tub 5 is not filled with liquid, and when there is gas in the washing tub 5, the gas in the washing tub 5 can be controlled to exchange with the outside world.
  • the gas flow in the washing tub 5 improves the sterilization effect; and through the exchange of the gas itself, the gas that breeds bacteria is replaced outside the washing equipment to assist the sterilization process and improve the gas quality in the washing equipment.
  • gas exchange can be controlled to prevent energy waste.
  • the above-mentioned various auxiliary sterilization methods set according to the liquid level in the washing tub during the sterilization process can also be reasonably superimposed.
  • the washing tub 5 when the liquid level in the washing tub ⁇ the first set value, the washing tub 5 can be controlled to rotate according to the second set rotation speed and/or the gas in the washing tub 5 can be exchanged with the outside world and/or the gas in the washing tub 5 can be controlled circulating through the air duct.
  • the washing tub 5 can be controlled to rotate according to the first set rotation speed and/or the gas in the washing tub 5 can be controlled to exchange with the outside world.
  • the above-mentioned method of setting different auxiliary sterilization methods in the sterilization process according to the liquid level in the washing tub provided in this embodiment is relatively reasonable.
  • the operation of the washing equipment at different stages in the washing process is fully utilized to achieve the purpose of making the gas and/or liquid flow in the washing tub 5 to improve the sterilization effect.
  • the above-mentioned auxiliary sterilization methods are set reasonably to avoid wasting energy and achieve better sterilization effect.
  • This embodiment proposes a sterilization method for washing equipment on the basis of the above-mentioned embodiments.
  • the auxiliary sterilization method in the sterilization method provided in this embodiment not only the liquid level in the washing tub but also the bacterial content in the washing tub is comprehensively considered.
  • the bacterial content in the washing tub is high, a variety of auxiliary sterilization methods can be combined to ensure the sterilization effect.
  • This embodiment proposes that when the liquid level in the washing tub ⁇ the first set value, that is, when the washing tub contains almost no liquid, the bacterial content in the washing tub is comprehensively considered when setting the auxiliary sterilization mode.
  • the ultraviolet sterilization device 6 detects the bacterial content in the washing tub before performing the sterilization treatment; when the liquid level in the washing tub ⁇ the first set value and the bacterial content in the washing tub ⁇ the second set value, the washing tub is controlled during the sterilization treatment 5.
  • the second setting value may be set as the bacterial content value in the washing tub 5 when the bacterial content in the washing tub 5 is relatively high.
  • any auxiliary sterilization method can be used to make the cleanliness in the washing tub 5 meet the requirements.
  • the auxiliary sterilization method is reasonably adjusted according to the bacterial content in the washing tub 5, so as to avoid wasting energy while ensuring the sterilization effect.
  • this embodiment also proposes a combination of washing The method for adjusting the bacterial content in the barrel 5 to assist the sterilization method.
  • the ultraviolet sterilization device detects the bacterial content in the washing tub 5 before the sterilization treatment; when the first set value ⁇ the liquid level in the washing tub ⁇ the full liquid level of the washing tub and the bacterial content in the washing tub ⁇ the second set value, the sterilization treatment Control the washing tub 5 to rotate at the first set speed, and control the gas in the washing tub 5 to exchange with the outside; When the set value is used, the washing tub 5 is controlled to rotate at the first set rotational speed during the sterilization treatment, or the gas in the washing tub 5 is controlled to exchange with the outside world.
  • the washing tub 5 when the water level of the washing tub > the first set value, when the bacterial content in the washing tub 5 is high, the washing tub 5 is controlled to rotate at the first set rotation speed and the gas of the washing tub 5 is also controlled to exchange with the outside world.
  • the water level of the washing tub > the first set value when the bacterial content in the washing tub 5 is low, to control the washing tub 5 to rotate at the first set rotational speed or to control the gas exchange of the washing tub 5 with the outside world, only One of the above two auxiliary sterilization methods is sufficient.
  • a sterilization method for washing equipment specifically includes the following steps:
  • Step S1 before the sterilization treatment, detecting the liquid level and bacterial content in the washing tub;
  • step S2 compare the liquid level in the washing tub with the first set value and the full-load liquid level of the washing tub.
  • step S3 is performed.
  • Step S6 is performed when the inner liquid level is less than or equal to the first set value;
  • Step S3 compare the bacterial content in the washing tub with the second set value, execute step S4 when the bacterial content in the washing tub ⁇ the second set value, and execute step S4 when the bacterial content in the washing tub ⁇ the second set value S5;
  • Step S4 during the sterilization treatment, the washing tub is controlled to rotate at the first set rotational speed, and the gas in the washing tub is controlled to be exchanged with the outside world;
  • Step S5 during the sterilization treatment, the washing tub is controlled to rotate at the first set rotational speed or the gas in the washing tub is controlled to be exchanged with the outside world;
  • Step S6 compare the bacterial content in the washing tub with the second set value, execute step S7 when the bacterial content in the washing tub ⁇ the second set value, and execute step S7 when the bacterial content in the washing tub is less than the second set value S8;
  • Step S7 controlling the washing tub to rotate at the second set rotational speed during the sterilization treatment, controlling the circulation of the gas inside the washing tub through the air duct and/or the exchange of the gas in the washing tub with the outside world;
  • Step S8 during sterilization treatment, control the washing tub to rotate at the second set rotational speed, or control the gas inside the washing tub to circulate through the air duct, or control the gas in the washing tub to exchange with the outside world.
  • the water level and the bacterial content in the washing tub are comprehensively considered.
  • the auxiliary sterilization method that can be taken is considered according to the water level in the washing tub. For example, when there is almost no water in the washing tub 5, the washing tub 5 can be rapidly rotated at the second set rotation speed and/or the gas in the washing tub 5 can be exchanged and controlled with the outside world. /or control the gas in the washing tub 5 to form a circulation through the air duct. When the washing tub 5 contains water, the washing tub 5 can be controlled to rotate at a first set rotational speed and/or the gas in the washing tub 5 can be controlled to exchange with the outside world.
  • auxiliary sterilization method that can be adopted according to the water level in the washing tub, according to the content of bacteria in the washing tub 5, it is necessary to select whether multiple auxiliary sterilization methods need to be used together, or only a single auxiliary sterilization method can be adopted.
  • the auxiliary sterilization mode is set according to the actual bacterial content in the washing tub 5, so as to avoid energy waste while satisfying the sterilization effect.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

本发明提供了一种洗涤设备杀菌方法，在洗涤设备运行时，控制紫外线杀菌装置对洗涤桶内进行杀菌处理，杀菌处理时根据洗涤桶内液位采取不同的辅助杀菌方式。本发明提供的杀菌方法适用于洗涤设备运行的全部阶段，相对于以往杀菌方法只适用于特定的洗涤程序，本发明杀菌方法适用范围更广。洗涤设备中可通过采用一种杀菌方法，即根据洗涤桶液位设定辅助杀菌方式，在洗涤运行全程中合理地进行杀菌处理。本发明还提供了一种洗涤设备，洗涤设备内设置洗涤桶，洗涤设备中设置对洗涤桶杀菌的紫外线杀菌装置，采用如上所述的洗涤设备杀菌方法。

Description

一种洗涤设备杀菌方法及洗涤设备 技术领域
本发明涉及杀菌处理领域，具体地，涉及一种洗涤设备杀菌方法及洗涤设备。
背景技术
已有在洗涤设备内设置紫外线杀菌装置对洗涤设备内进行消毒杀菌处理的专利，紫外线杀菌装置为了取得较好的杀菌效果，往往在洗涤设备运行某些特定阶段时利用紫外线杀菌装置进行消毒杀菌处理。比如当洗涤设备在洗涤阶段中内桶转动时利用紫外线杀菌装置进行杀菌处理，当洗涤设备在烘干阶段中风机运行时利用紫外线杀菌装置进行杀菌处理。但上述杀菌方法比较有局限性，洗涤设备在运行除特定阶段外的其它阶段时，无法利用紫外线杀菌装置进行杀菌处理。并且对于长期处于封闭状态、细菌滋生情况较严重的洗涤设备，仅仅通过洗涤时按照正常速度转动内桶、烘干时风机运行辅助紫外线杀菌装置进行杀菌处理，效果可能仍不理想。
目前已有中国发明专利，公开了一种波轮洗衣机利用紫外线杀菌的方法，包括衣物杀菌步骤，具体包括：a开机，将待洗衣物放入洗涤桶内，投加适量的洗衣粉或洗涤剂，加液体到设定液体位对衣物进行浸泡；b浸泡结束后进入洗涤与杀菌阶段，在设定的洗涤时间内，紫外线发生装置同步工作，所发射的紫外线呈放射状透过液体流照射到衣物和洗涤桶的桶壁表面上，在洗涤结束时，紫外线发生装置停止工作；c接着进入漂洗阶段，漂洗完毕即进行脱液体完成洗衣。该发明只在洗衣机进行洗涤时才利用紫外线发生装置杀菌，比较具有局限性。并且并未提及如何利用如转内桶等辅助的方法提升紫外线发生装置的杀菌效果。
目前已有中国发明专利公开了一种紫外线杀菌洗衣机，所述紫外线杀菌洗 衣机包括外筒、与所述外筒同轴设置的内筒，所述外筒与循环管路相连通，所述循环管路上设有紫外线杀菌器和循环泵，所述外筒内部的洗涤液在循环泵的驱动下，流入所述循环管路，经紫外线杀菌器照射杀菌后，再流回所述外筒，所述紫外线杀菌器包括密闭盒、固定于密闭盒的内侧面上的紫外线发生器。本洗衣机杀菌效果显著。该发明的紫外线发生器由于设置在循环泵处，对循环液体进行杀菌处理，而当循环泵工作时洗衣机必定在进行洗涤阶段，即该专利的紫外线发生器只在执行洗涤阶段时进行杀菌处理。
综上所述，目前缺少一种洗涤设备杀菌方法，可适用于洗涤设备运行的全部阶段，并且杀菌方法中合理地采取辅助紫外线杀菌的手段，使紫外线杀菌装置取得更优的杀菌效果。
鉴于以上问题，特提出本发明。
发明内容
本发明要解决以往洗涤设备的杀菌方法，只适用于洗涤设备运行特定阶段时利用紫外线杀菌装置进行杀菌处理，比较具有局限性的技术问题。并且本发明还要解决以往洗涤设备的杀菌方法中辅助紫外线杀菌的手段无法取得较优的杀菌效果的技术问题。本发明的发明目的在于提供了一种根据洗涤桶内水位合理设定辅助杀菌方式的洗涤设备杀菌方法，且辅助紫外线杀菌的手段的设置可使紫外线杀菌装置取更优的杀菌效果。
本发明提供了一种洗涤设备杀菌方法，在洗涤设备运行时，控制紫外线杀菌装置对洗涤桶内进行杀菌处理，杀菌处理时根据洗涤桶内液位采取不同的辅助杀菌方式。本发明提供的洗涤设备杀菌方法适用于洗涤设备运行的全部阶段，在洗涤设备运行的全过程中均可根据洗涤桶液位合理设定辅助杀菌方式。并且本发明提供的杀菌方法中设定的辅助杀菌方式，使得紫外线杀菌装置取得更优 的杀菌效果。
进一步地，辅助杀菌方式包括控制洗涤桶以设定的转速转动、控制洗涤桶内的气体与外界交换、控制洗涤桶内部的气体经风道循环流动中任意一个或组合。辅助杀菌方式的设定，使得洗涤桶内的气体和/或液体流动，进而使紫外线杀菌装置照射的气体和/或液体范围更大，并且洗涤桶内的气体和/或液体流动本身就会防止滋生细菌，进一步提升紫外线杀菌装置的杀菌效果。
进一步地，对于控制洗涤桶以设定的转速转动具体包括：当洗涤桶内液位＞第一设定值时，杀菌处理时控制洗涤桶以第一设定转速转动；当洗涤桶内液位≤第一设定值时，杀菌处理时控制洗涤桶以第二设定转速转动；第二设定转速＞第一设定转速。
进一步地，当洗涤桶内液位＜洗涤桶满载液位时，杀菌处理时控制洗涤桶内的气体与外界交换。在洗涤桶内液位未满的时候，均可控制洗涤桶内的气体与外界交换，通过洗涤桶内气体的交换使气体流动，进一步提升杀菌效果。
进一步地，当洗涤桶内液位≤第一设定值时，杀菌处理时控制洗涤腔内部的气体经风道循环流动。在洗涤桶内液位较低时，杀菌处理时控制洗涤桶内气体经风道循环流动，通过洗涤桶内气体的循环流动，提升杀菌效果。
作为一种实施例，杀菌处理前检测洗涤桶内细菌含量；当洗涤桶内液位≤第一设定值且洗涤桶内细菌含量≥第二设定值时，杀菌处理时控制洗涤桶以第二设定转速转动、控制洗涤桶内部的气体经风道循环流动和/或洗涤桶内的气体与外界交换；当洗涤桶内液位≤第一设定值且洗涤桶内细菌含量＜第二设定值时，杀菌处理时控制洗涤桶以第二设定转速转动、或控制洗涤桶内部的气体经风道循环流动、或控制洗涤桶内的气体与外界交换。本发明除根据洗涤桶内的液位合理设置辅助杀菌方式外，还提出了综合考虑洗涤桶内的液位和细菌含量， 更加合理地设定辅助杀菌方式。
进一步地，杀菌处理前检测洗涤桶内细菌含量；当第一设定值＜洗涤桶内液位＜洗涤桶满载液位且洗涤桶内细菌含量≥第二设定值时，杀菌处理时控制洗涤桶以第一设定转速转动、控制洗涤桶内的气体与外界交换；当第一设定值＜洗涤桶内液位＜洗涤桶满载液位且洗涤桶内细菌含量＜第二设定值时，杀菌处理时控制洗涤桶以第一设定转速转动或控制洗涤桶内的气体与外界交换。在洗涤桶内细菌含量较高的情况下，紫外线杀菌装置运行过程中不仅控制洗涤桶转动，还通过使洗涤桶内气体流动的辅助方式，合理地提高杀菌效果。
进一步地，洗涤设备的杀菌方法，包括以下步骤：
步骤S1，杀菌处理前，检测洗涤桶内液位和细菌含量；
步骤S2，将洗涤桶内液位与第一设定值、洗涤桶满载液位做比较，当第一设定值＜洗涤桶内液位＜洗涤桶满载液位时执行步骤S3，当洗涤桶内液位≤第一设定值时执行步骤S6；
步骤S3，将洗涤桶内细菌含量与第二设定值做比较，当洗涤桶内细菌含量≥第二设定值时执行步骤S4，当洗涤桶内细菌含量＜第二设定值时执行步骤S5；
步骤S4，杀菌处理时控制洗涤桶以第一设定转速转动、控制洗涤桶内的气体与外界交换；
步骤S5，杀菌处理时控制洗涤桶以第一设定转速转动或控制洗涤桶内的气体与外界交换；
步骤S6，将洗涤桶内细菌含量与第二设定值做比较，当洗涤桶内细菌含量≥第二设定值时执行步骤S7，当洗涤桶内细菌含量＜第二设定值时执行步骤S8；
步骤S7，杀菌处理时控制洗涤桶以第二设定转速转动、控制洗涤桶内部的 气体经风道循环流动和/或洗涤桶内的气体与外界交换；
步骤S8，杀菌处理时控制洗涤桶以第二设定转速转动、或控制洗涤桶内部的气体经风道循环流动、或控制洗涤桶内的气体与外界交换。作为一种实施例，本发明还提供了一种洗涤设备，洗涤设备内设置洗涤桶，洗涤设备中设置对洗涤桶杀菌的紫外线杀菌装置，采用如上所述的洗涤设备杀菌方法。
进一步地，洗涤设备中设置控制洗涤设备内部气体和/或液体流动的辅助杀菌装置，辅助杀菌装置包括风机、换风机、泵。通过辅助杀菌装置的设置，使得洗涤设备在进行杀菌处理的过程中，可控制洗涤桶内的气体和/或液体转动，进而提高杀菌的效果。
采用上述技术方案，本发明与现有技术相比具有以下有益效果：
1)本发明提供的洗涤设备杀菌方法，可适用于洗涤设备运行的全部阶段，相对于以往洗涤设备杀菌方法只适用于特定的洗涤程序，本发明洗涤设备杀菌方法适用范围更广。本发明提供的洗涤设备杀菌方法，在洗涤设备运行的全过程中均可根据洗涤桶内液位设定合理的辅助杀菌方式。即根据本发明提供的洗涤设备杀菌方法，可在洗涤设备中通过一套杀菌程序控制洗涤设备在运行的全部阶段进行杀菌处理。
2)本发明提供的洗涤设备杀菌方法中设置了辅助杀菌方式，通过辅助杀菌方式使得洗涤桶内的气体和/或液体流动，进而使紫外线杀菌装置取得更好的杀菌效果。
3)本发明提供的洗涤设备杀菌方法中包括根据洗涤桶内液位控制洗涤桶以设定的转速转动。在洗涤桶内含液体、转动消耗较大时，控制洗涤桶以速度较慢的第一设定转速转动；而当洗涤桶内不含液体时，控制洗涤桶以转速较快的第二设定转速转动，进而使得洗涤桶内形成旋转气流，通过旋转气流的吸附能 力将洗涤桶内凹槽中的污垢吸入至紫外线杀菌装置可照射的位置，进一步提高杀菌效果。即本发明在杀菌过程中控制洗涤桶转动的设置比较合理，既不会消耗较多的能源，又可使洗涤桶内的气体和/或液体转动进而提升杀菌效果。
4)本发明提供的洗涤设备杀菌方法，还可通过在洗涤设备中设置风机和/或换风机，使得洗涤桶内的空气经风道循环流动和/或洗涤桶内的空气与外界交换，进而使洗涤桶内的空气流动，使紫外线杀菌装置接触更多的洗涤桶内空气，取得更好的杀菌效果。并且根据洗涤桶内的含液量，合理地选择控制洗涤桶内气体流动的方式。避免在洗涤桶内含液体较多、气体含量较小时使洗涤桶内气体与外界交换，浪费能源；避免在洗涤桶内含液体时使洗涤桶内的气体经风道循环流动，导致液体出现进入风道的可能。
5)本发明提出了综合考虑洗涤桶内的液位和洗涤桶内细菌含量，更加合理地设定辅助杀菌方式。当洗涤桶内细菌含量较高时，在杀菌的过程中除控制洗涤桶转动外，还通过使洗涤桶内空气流动的方式，进一步保证杀菌的效果。
6)由于目前洗涤设备在洗涤过程中可能需要控制洗涤桶转动；而在烘干的过程中可能需要风机使洗涤桶内的空气流动，或者通过换风机控制洗涤桶内部的空气与外界交换；故可以利用洗涤设备在洗涤的过程中自身的操作，使洗涤桶内洗涤液体和/或空气流动时，控制紫外线杀菌装置进行杀菌工作。使得不必为了杀菌工作而单独使洗涤设备内部的洗涤液体和/或空气流动，进而节省能源。
7)本发明提供的洗涤设备，内部除含有紫外线杀菌装置等的杀菌装置外还设置了辅助杀菌装置，使得洗涤桶内的气体和/或液体转动，杀菌装置能够接触到洗涤桶内较多的气体和/或液体，进而使杀菌装置对洗涤桶内较多的洗涤液体和/或空气进行杀菌处理，取得更好的杀菌效果。
下面结合附图对本发明的具体实施方式作进一步详细的描述
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。
图1是本发明洗涤设备中设置泵、转动单元示意图；
图2是本发明洗涤设备中设置风机、转动单元示意图；
图3是本发明洗涤设备中设置换风机示意图；
图4是本发明洗涤设备杀菌方法步骤示意图。
附图中标号说明：1、转动单元；2、泵；3、风机；4、换风机；5、洗涤桶；6、紫外线杀菌装置；7、烘干风道。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例进行详细说明。
目前已有在内部设置紫外线杀菌装置进行杀菌处理的洗涤设备，比如在洗衣机内部、洗干一体机、洗碗机等设备的内部设置紫外线杀菌装置进行杀菌处理。但上述紫外线杀菌装置，主要是对洗涤桶5内静止的气体和/或空气，通过紫外线照射进行杀菌处理。而由于紫外线杀菌装置6的照射范围有限，当对静止的气体和/或液体进行杀菌处理时，导致紫外线杀菌装置6接触的洗涤桶5内的气体和/或液体有限，影响对洗涤桶5的杀菌效果。目前的专利中，已有在洗 涤设备中设置使洗涤桶5内气体和/或液体流动的辅助杀菌装置，通过辅助杀菌装置使紫外线杀菌装置接触更多气体和/或液体，提升杀菌效果。并且当辅助杀菌装置使洗涤桶5内的气体和/或液体流动时，流动的气体和/或液体本身便可防止细菌滋生。但目前设置的辅助杀菌装置比较单一，大多只能控制洗涤桶内的气体或液体转动。并且洗涤设备的杀菌方法，往往只能控制辅助杀菌装置在洗涤过程中某一特定阶段进行杀菌处理，而杀菌方法无法适用于洗涤的全过程。
实施例1
鉴于以往的洗涤设备中只单独设置杀菌装置、未设置辅助杀菌装置时，洗涤设备的杀菌效果一般，本实施例提供了一种如图1-3中所示的洗涤设备。洗涤设备可以是洗衣机、干衣机、洗干一体机、洗碗机等，本实施例以洗衣机为例进行说明。洗涤设备中可以设置较多种类的杀菌装置对洗涤设备内部进行杀菌，比如在洗涤设备中设置紫外线杀菌装置6、臭氧杀菌装置，本实施例以设置紫外线杀菌装置6为例进行说明。并且本实施例中所述的洗涤桶5即为洗衣机的内桶。将紫外线杀菌装置6设置在洗涤设备中可照射到洗涤桶5的位置处，并通过紫外线杀菌装置6发出的紫外线照射洗涤桶5，对洗涤桶5内的气体和/或液体进行杀菌处理。
如图1中所示，在上述设置紫外线杀菌装置6的洗衣机内部可设置泵2。紫外线杀菌装置6能够照射的洗涤桶7内液体的范围有限，导致紫外线杀菌装置6无法对洗涤桶5内全部的液体进行杀菌处理。通过泵3的设置，可控制洗涤桶5内的液体实现在洗涤桶5内的流动，伴随着洗涤液体的流动，使得在紫外线杀菌装置6不需要改变的情况下，使紫外线杀菌装置6能够接触到洗涤桶5内更多的液体，进而提高紫外线杀菌装置6对洗涤桶5内液体的杀菌效果。
如图1中所示，洗衣机内还设置了转动单元1控制洗涤桶5转动。一般洗 衣机在洗涤过程中都会使内桶即洗涤桶5转动，而实现其转动的装置可以是电机、波轮等。转动单元1一旦使洗涤桶5转动，洗涤桶5内部的气体和液体便会随着洗涤桶5旋转，即达到使气体和液体流动的效果，使得如上所述，紫外线杀菌装置6提升杀菌效果。
如图2中所示，本实施例的洗涤设备中还可设置风机3。图2中所示的洗衣机为洗干一体机，在洗干一体机中本身设置了用以烘干衣物的烘干风道7和风机3。而烘干风道7和风机3的设置，可使洗干一体机内部的空气在烘干风道7和洗涤桶5内部之间循环流动。借助洗干一体机内部空气的循环流动，可使设置紫外线杀菌装置6附近的空气不断变化，进而使得紫外线杀菌装置6能够照射到洗干一体机洗涤桶5内全部的气体，使得紫外线杀菌装置6对洗涤桶5内部的全部气体进行杀菌。这样，借助洗干一体机内部设置的烘干风道7和风机3便可达到促进洗涤桶6内部空气流通的效果，不需要再设其它装置，使得紫外线杀菌装置6取得更优的杀菌效果。并且气体在洗涤桶5和烘干风道7之间的循环流动本身便可减少细菌的滋生。对于除洗干一体机外的其它普通洗衣机，也可在其内部通过加设风机3达到提升紫外线杀菌装置6杀菌效果的目的。或者对于洗碗机等其它洗涤设备，同样可以在洗碗机的内腔中设置泵2和/或风机3使内腔中的气体和/或液体流动。
如图3中所示，本实施例还在洗衣机的内部设置换风机4，通过换风机4的设置使外界的空气可以流入洗涤桶5的内部，并且使洗涤桶5内部的空气流向外部。换风机4的设置，首先可使洗涤桶5内的气体流动，进而使得紫外线杀菌装置6所能照射到的气体范围变大，紫外线杀菌装置6对洗涤桶5内的空气的消毒杀菌效果更好。其次，通过换风机4的工作，使得洗涤桶5内部的空气不断与外界交换，便可将较易滋生细菌的洗涤桶5内部的气体带到外界，并将 外界新鲜的空气带回到洗涤桶5内。即通过换风机4的设置本身便可减少洗涤桶5内的细菌含量，当换风机4和紫外线杀菌装置6共同工作时，更可以提升对洗涤桶5的杀菌效果。当洗涤设备中本身设置换风机4时，可以直接利用换风机4达到使洗涤桶5内的空气与外界交换的效果，或者对于未设置换风机4的洗涤设备可以加设换风机4。并且本实施例中除设置换风机4外，还可如图1、2中所示，在洗涤设备中继续叠加转动单元1和/或泵3和/或风机4，进一步提升对洗涤桶5内部的杀菌效果。
本实施例提供的洗涤设备，在内部除设置杀菌装置外，还设置了可使洗涤桶5内气体和/或液体流动的辅助杀菌装置。辅助杀菌装置可以为多种形式，均可以达到较简单地使洗涤桶5内气体和/或液体流动的效果。气体和/或液体的流动，使得杀菌装置能够接触或者照射到的气体和/或液体较多，进而提升杀菌装置能够杀菌处理的气体和/或液体的量，取得更好地杀菌效果。
实施例2
本实施例在上述实施例的基础上，提供了一种洗涤设备杀菌方法，其中所述的洗涤设备为实施例1中所述的洗涤设备。如前所述，以往的洗涤设备杀菌方法，只适用于某些特定的洗涤阶段。比如在洗涤设备进行洗涤的过程中，借助洗涤桶5的转动使洗涤桶内的气体和/或液体转动，或者借助循环泵使洗涤桶5内的液体循环流动，在气体和/或液体流动的状态下利用紫外线杀菌装置6进行杀菌处理。或者在洗涤设备进行烘干的过程中，利用气体的流动辅助紫外线杀菌装置6进行杀菌处理。但上述杀菌方法往往只适用于洗涤过程中某一特定的阶段，而未提出一种杀菌方法可适用于洗涤过程的全阶段。为此，本实施例提供了一种适用于洗涤过程全阶段的杀菌方法。在洗涤设备中只需根据所述杀菌方法制定控制紫外线杀菌装置的杀菌程序，便可在洗涤过程中的任意阶段进 行合理的杀菌处理。
本实施例提供的一种洗涤设备杀菌方法，控制紫外线杀菌装置在洗涤设备运行的任意阶段进行杀菌处理，杀菌处理时根据洗涤桶5内液位采取不同的辅助杀菌方式。本实施例提供的杀菌方法主要根据洗涤桶5内的液位选择合理的辅助杀菌方式，在洗涤的全过程中均可只根据洗涤桶内液位设定杀菌方法。即在洗涤设备运行的任意阶段只通过检测洗涤桶内液位，便可设定合理的杀菌方法，可在洗涤设备中依此杀菌方法设定一套程序便可实现对任意阶段的杀菌方法控制。辅助杀菌方式包括控制洗涤桶5以设定的转速转动、控制洗涤桶5内的气体与外界交换、控制洗涤桶5内部的气体经风道循环流动。上述的辅助杀菌方式均可实现使洗涤桶5内的气体和/或液体流动的效果，而之前已经论述过气体和/或液体流动可提升杀菌效果的原因，故采用上述辅助杀菌的方式可提升杀菌效果。
具体地，根据洗涤桶内液位设定辅助杀菌方式包括：当洗涤桶内液位＞第一设定值时，杀菌处理时控制洗涤桶5以第一设定转速转动；当洗涤桶内液位≤第一设定值时，杀菌处理时控制洗涤桶5以第二设定转速转动；第二设定转速＞第一设定转速。其中第一设定值接近于0,将洗涤桶内液位与第一设定值比较，相当于判断洗涤桶5内是否含有液体。
当洗涤桶内液位＞第一设定值时，即洗涤桶5内含有液体时，洗涤设备往往处于洗涤、漂洗等阶段，洗涤桶5内含有大量的液体导致控制洗涤桶5转动消耗的能源较多。故此时只需控制洗涤桶5以第一设定转速转动即可。其中，第一设定转速可为洗涤桶5正常洗涤时的转速，转速不需过快，比如设定为50rpm。而当洗涤桶内液位≤第一设定值时，即洗涤桶5内几乎不含有液体时，如烘干或者静置的阶段，控制洗涤桶5转动需要消耗的能源较低，此时可控制洗涤桶5 以高于第一设定转速的第二设定转速转动。其中，第二设定转速远大于第一设定转速，甚至可以达到1600rpm。控制洗涤桶5以如此高的转速转动，使得洗涤桶5内形成类似于“龙卷风”的旋转气流，旋转气流内部气压远小于外部的气压，使得位于旋转气流附近的细小的物体易被“吸入空中”，甚至洗涤桶5的凹槽中的污垢都会被“吸入”空中，这样更加利于对洗涤桶5内细小的污垢利用紫外线杀菌装置6进行杀菌处理。原本洗涤桶5的凹槽中的细小的污垢较难被紫外线杀菌装置6照射，产生旋转气流后，使得细小的污垢漂浮在洗涤桶5内，这样易于细小的污垢被紫外线杀菌装置6照射而进行杀菌处理。本实施例中，控制洗涤桶5以第二设定转速转动，使得在洗涤桶5内气体流动的基础上达到更加利于对细小污垢杀菌的效果。本实施例提供的根据洗涤桶液位控制洗涤桶5转动的杀菌方法设置合理，避免在洗涤桶5内具有液体、负载较重时控制洗涤桶5快速转动消耗能源过大；且使洗涤桶5内不含液体、负载较轻时快速转动，产生旋转气流增强对细小污垢的杀菌能力，进一步提升杀菌效果。
本实施例还提出，当洗涤桶内液位≤第一设定值时，杀菌处理时控制洗涤桶5内部的气体循环。控制洗涤桶5内部的气体循环，可采用如前实施例中所述的设置烘干风道7和风机3的方法，或者在洗涤桶5内设置风机3的方法。由于当洗涤桶内液位＞第一设定值时，即洗涤桶5内具有液体时，如果使风道和风机3工作将比较容易将液体吸到风道中，尤其当液体进入烘干风道7内时将影响烘干效果。故本实施例提出，在洗涤桶内液位≤第一设定值时，即洗涤桶5内不含液体时，如洗涤设备处于烘干阶段时，杀菌处理时控制洗涤桶5内部的气体经风道循环流动。这样在使洗涤桶5内气体流动的同时，还可防止影响洗涤设备的烘干效果、影响风机的正常使用。
本实施例还提出，当洗涤桶内液位＜洗涤桶满载液位时，杀菌处理时控制 洗涤桶内的气体与外界交换。当洗涤桶内液位＜洗涤桶满载液位时，相当于洗涤桶5内未充满液体时，洗涤桶5内具有气体时，可以控制洗涤桶5内的气体与外界交换。这样，如前所述，使得洗涤桶5内气体流动提升杀菌效果；并且通过气体本身的交换，将滋生细菌的气体更换到洗涤设备外，辅助杀菌过程、提升洗涤设备内的气体质量。而当洗涤桶5内几乎充满液体时，由于洗涤桶5内几乎不含什么气体，便可控制不进行气体交换，防止能源浪费。
本实施例中，还可将上述多种根据洗涤桶内液位在杀菌过程中设定的不同辅助杀菌方式进行合理的叠加。比如当洗涤桶内液位≤第一设定值时，可控制洗涤桶5按照第二设定转速转动和/或控制洗涤桶5内的气体与外界交换和/或控制洗涤桶5内部的气体经风道循环流动。当第一设定值＜洗涤桶内液位＜洗涤桶满载液位时，可控制洗涤桶5按照第一设定转速转动和/或控制洗涤桶5内的气体与外界交换。
本实施例提供的上述根据洗涤桶内液位在杀菌过程中设定不同辅助杀菌方式的方法，设置比较合理。充分利用洗涤设备在洗涤过程中不同阶段自身的操作，达到使洗涤桶5内气体和/或液体流动进而提升杀菌效果的目的。上述辅助杀菌方式设置合理，避免浪费能源、达到更优的杀菌效果。
实施例3
本实施例在上述实施例的基础上，提出了一种洗涤设备杀菌方法。本实施例提供的杀菌方法在设定辅助杀菌方式时，不仅考虑了洗涤桶内液位还综合考虑了洗涤桶内的细菌含量。在洗涤桶内细菌含量较高时，可以使多种辅助杀菌方式结合，进而保证杀菌效果。
本实施例提出，在洗涤桶内液位≤第一设定值时，即洗涤桶内几乎不含液体的情况下，设定辅助杀菌方式时综合考虑洗涤桶内细菌含量。具体地，紫外 线杀菌装置6进行杀菌处理前检测洗涤桶内细菌含量；当洗涤桶内液位≤第一设定值且洗涤桶内细菌含量≥第二设定值时，杀菌处理时控制洗涤桶5以第二设定转速转动、控制洗涤桶5内部的气体经风道循环流动和/或洗涤桶5内的气体与外界交换；当洗涤桶内液位≤第一设定值且洗涤桶内细菌含量＜第二设定值时，杀菌处理时控制洗涤桶5以第二设定转速转动或控制洗涤桶5内部的气体经风道循环流动或控制洗涤桶5内的气体与外界交换。第二设置值可以设定为洗涤桶5内细菌含量较高时的洗涤桶5内细菌含量值。即在洗涤桶内液位较低时，洗涤桶5内如果细菌含量较高的时候，在控制洗涤桶5以第二设定转速转动的同时叠加使洗涤桶5内的空气流动，可以取得更好的杀菌效果，以保证洗涤桶5内的洁净。而当洗涤桶5内的细菌含量较低时，只需采用控制洗涤桶5以第二设定转速转动、控制洗涤桶5内气体经风道循环流动或者控制洗涤桶5的气体与外界交换的上述三种辅助杀菌方式中的一种即可。即洗涤桶5内细菌含量较小时，采用任意一种辅助杀菌方式便可使洗涤桶5内的清洁度达到需求。本实施例提供的杀菌方法，根据洗涤桶5内的细菌含量合理调整辅助杀菌方式，在保证杀菌效果的同时避免浪费能源。
在第一设定值＜洗涤桶内液位＜洗涤桶满载液位的情况下，即洗涤桶内含有液体但液体并未占满洗涤桶5的情况下，本实施例也提出了再结合洗涤桶5内细菌含量调整辅助杀菌方式的方法。紫外线杀菌装置进行杀菌处理前检测洗涤桶5内细菌含量；当第一设定值＜洗涤桶内液位＜洗涤桶满载液位且洗涤桶内细菌含量≥第二设定值时，杀菌处理时控制洗涤桶5以第一设定转速转动、控制洗涤桶5内的气体与外界交换；当第一设定值＜洗涤桶内液位＜洗涤桶满载液位且洗涤桶内细菌含量＜第二设定值时，杀菌处理时控制洗涤桶5以第一设定转速转动或控制洗涤桶5内的气体与外界交换。即在洗涤桶水位＞第一设 定值的情况下，当洗涤桶5内细菌含量较高时，控制洗涤桶5以第一设定转速转动的同时还控制洗涤桶5的气体与外界交换。而当洗涤桶水位＞第一设定值的情况下，当洗涤桶5内细菌含量较低时，控制洗涤桶5以第一设定转速转动或者控制洗涤桶5的气体与外界交换，只需进行上述两种辅助杀菌方式中的一种即可。
如图4中所示，本实施例提供的一种洗涤设备的杀菌方法，具体包括以下步骤：
步骤S1，杀菌处理前，检测洗涤桶内液位和细菌含量；
步骤S2，将洗涤桶内液位与第一设定值、洗涤桶满载液位做比较，当第一设定值＜洗涤桶内液位＜洗涤桶满载液位时执行步骤S3，当洗涤桶内液位≤第一设定值时执行步骤S6；
步骤S3，将洗涤桶内细菌含量与第二设定值做比较，当洗涤桶内细菌含量≥第二设定值时执行步骤S4，当洗涤桶内细菌含量＜第二设定值时执行步骤S5；
步骤S4，杀菌处理时控制洗涤桶以第一设定转速转动、控制洗涤桶内的气体与外界交换；
步骤S5，杀菌处理时控制洗涤桶以第一设定转速转动或控制洗涤桶内的气体与外界交换；
步骤S6，将洗涤桶内细菌含量与第二设定值做比较，当洗涤桶内细菌含量≥第二设定值时执行步骤S7，当洗涤桶内细菌含量＜第二设定值时执行步骤S8；
步骤S7，杀菌处理时控制洗涤桶以第二设定转速转动、控制洗涤桶内部的气体经风道循环流动和/或洗涤桶内的气体与外界交换；
步骤S8，杀菌处理时控制洗涤桶以第二设定转速转动、或控制洗涤桶内部 的气体经风道循环流动、或控制洗涤桶内的气体与外界交换。
本实施例提供的洗涤设备的杀菌方法，在进行杀菌处理的过程中，综合考虑洗涤桶内水位和细菌含量。根据洗涤桶内水位考虑可以采取的辅助杀菌方式，比如洗涤桶5内几乎不含水时，可以以第二设定转速快速地转洗涤桶5和/或控制洗涤桶5内的气体与外界交换和/或控制洗涤桶5内的气体经风道形成循环。在洗涤桶5内含有水时，可以控制洗涤桶5以第一设定转速转动和/或控制洗涤桶5内的气体与外界交换。再根据洗涤桶内水位选定好可以采取的辅助杀菌方式后，再根据洗涤桶5内细菌的含量选择是否需要采取多种辅助杀菌方式共同作用，或者只采取单一的辅助杀菌方式即可，这样根据实际洗涤桶5内细菌含量设定辅助杀菌方式，在满足杀菌效果的同时避免能源浪费。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种洗涤设备杀菌方法，其特征在于，在洗涤设备运行时，控制紫外线杀菌装置对洗涤桶内进行杀菌处理，杀菌处理时根据洗涤桶内液位采取不同的辅助杀菌方式。
  2. 根据权利要求1所述的一种洗涤设备杀菌方法，其特征在于，辅助杀菌方式包括控制洗涤桶以设定的转速转动、控制洗涤桶内的气体与外界交换、控制洗涤桶内部的气体经风道循环流动中任意一个或者组合。
  3. 根据权利要求2所述的一种洗涤设备杀菌方法，其特征在于，当洗涤桶内液位＞第一设定值时，杀菌处理时控制洗涤桶以第一设定转速转动；当洗涤桶内液位≤第一设定值时，杀菌处理时控制洗涤桶以第二设定转速转动；第二设定转速＞第一设定转速。
  4. 根据权利要求2所述的一种洗涤设备的杀菌方法，其特征在于，当洗涤桶内液位＜洗涤桶满载液位时，杀菌处理时控制洗涤桶内的气体与外界交换。
  5. 根据权利要求2所述的一种洗涤设备的杀菌方法，其特征在于，当洗涤桶内液位≤第一设定值时，杀菌处理时控制洗涤腔内部的气体经风道循环流动。
  6. 根据权利要3-5任一项所述的一种洗涤设备的杀菌方法，其特征在于，杀菌处理前检测洗涤桶内细菌含量；
    当洗涤桶内液位≤第一设定值且洗涤桶内细菌含量≥第二设定值时，杀菌处理时控制洗涤桶以第二设定转速转动、控制洗涤桶内部的气体经风道循环流动和/或洗涤桶内的气体与外界交换；
    当洗涤桶内液位≤第一设定值且洗涤桶内细菌含量＜第二设定值时，杀菌处理时控制洗涤桶以第二设定转速转动、或控制洗涤桶内部的气体经风道循环流动、或控制洗涤桶内的气体与外界交换。
  7. 根据权利要求3-5任一项所述的一种洗涤设备的杀菌方法，其特征在于，杀菌处理前检测洗涤桶内细菌含量；
    当第一设定值＜洗涤桶内液位＜洗涤桶满载液位且洗涤桶内细菌含量≥第二设定值时，杀菌处理时控制洗涤桶以第一设定转速转动、控制洗涤桶内的气体与外界交换；
    当第一设定值＜洗涤桶内液位＜洗涤桶满载液位且洗涤桶内细菌含量＜第二设定值时，杀菌处理时控制洗涤桶以第一设定转速转动或控制洗涤桶内的气体与外界交换。
  8. 根据权利要求6或7任一项所述的一种洗涤设备的杀菌方法，其特征在于，包括以下步骤：
    步骤S1，杀菌处理前，检测洗涤桶内液位和细菌含量；
    步骤S2，将洗涤桶内液位与第一设定值、洗涤桶满载液位做比较，当第一设定值＜洗涤桶内液位＜洗涤桶满载液位时执行步骤S3，当洗涤桶内液位≤第一设定值时执行步骤S6；
    步骤S3，将洗涤桶内细菌含量与第二设定值做比较，当洗涤桶内细菌含量≥第二设定值时执行步骤S4，当洗涤桶内细菌含量＜第二设定值时执行步骤S5；
    步骤S4，杀菌处理时控制洗涤桶以第一设定转速转动、控制洗涤桶内的气体与外界交换；
    步骤S5，杀菌处理时控制洗涤桶以第一设定转速转动或控制洗涤桶内的气体与外界交换；
    步骤S6，将洗涤桶内细菌含量与第二设定值做比较，当洗涤桶内细菌含量≥第二设定值时执行步骤S7，当洗涤桶内细菌含量＜第二设定值时执行步骤S8；
    步骤S7，杀菌处理时控制洗涤桶以第二设定转速转动、控制洗涤桶内部的气体经风道循环流动和/或洗涤桶内的气体与外界交换；
    步骤S8，杀菌处理时控制洗涤桶以第二设定转速转动、或控制洗涤桶内部的气体经风道循环流动、或控制洗涤桶内的气体与外界交换。
  9. 一种洗涤设备，洗涤设备内设置洗涤桶，洗涤设备中设置对洗涤桶杀菌的紫外线杀菌装置，其特征在于，采用如权利要求1-8任一项所述的洗涤设备杀菌方法。
  10. 根据权利要求9所述的一种洗涤设备，其特征在于，洗涤设备中设置控制洗涤设备内部气体和/或液体流动的辅助杀菌装置，辅助杀菌装置包括风机(3)、换风机(4)、泵(5)。
PCT/CN2021/110422 2020-08-04 2021-08-04 一种洗涤设备杀菌方法及洗涤设备 WO2022028441A1 (zh)

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