CN113494006A - Degerming and mite-killing method for clothes treatment equipment and clothes treatment equipment - Google Patents
Degerming and mite-killing method for clothes treatment equipment and clothes treatment equipment Download PDFInfo
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- CN113494006A CN113494006A CN202010267609.0A CN202010267609A CN113494006A CN 113494006 A CN113494006 A CN 113494006A CN 202010267609 A CN202010267609 A CN 202010267609A CN 113494006 A CN113494006 A CN 113494006A
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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
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
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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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
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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
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/32—Temperature
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/54—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to blowers or fans
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/16—Air properties
- D06F2105/20—Temperature
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/26—Heat pumps
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- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a degerming and mite-killing method for clothes treatment equipment and the clothes treatment equipment, which comprises the following steps: the clothes treatment equipment receives the drying and degerming and mite-killing instructions and starts to operate a degerming and mite-killing program; adjusting the temperature Th of the inlet air in the roller to be within a first temperature range Delta T by controlling the exhaust temperature of the compressor and/or the outlet temperature of the condenser; and controlling the air inlet temperature Th to be within a first temperature range delta T and maintaining the first time length delta T. Carry out degerming and remove mite through control air inlet temperature to the clothing and handle, compare with ultraviolet germicidal effect, do not need extra ultraviolet equipment, can not only reach fine degerming and remove mite effect, and can not cause the clothing to fade, and through the start-stop of control cooling fan or the lift of compressor frequency, control the interior air inlet temperature of bucket and can not excessively rise under the condition that reaches 70 ℃, and maintain at least 40min, can reach better degerming or remove the mite effect, can not cause great damage to the clothing again.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a degerming and mite-killing method for clothes treatment equipment and the clothes treatment equipment.
Background
Along with the change of life style and the enhancement of health consciousness of Chinese people, the demand of the public on the clothes dryer is gradually shown. The heat pump clothes dryer works by utilizing a heat pump principle and a drying principle and is divided into an open type circulation and a closed type circulation. Patent publication No. CN209989596U in the prior art discloses a closed cycle heat pump clothes dryer, the closed cycle is composed of a heat pump cycle and an air cycle. The heat pump circulating system mainly comprises a compressor, a condenser, a throttle valve, an evaporator and the like. After the clothes dryer is started, wet air in the air duct passes through the condenser and absorbs heat emitted by the condenser under the drive of the circulating fan, the temperature of the wet air rises, the relative humidity of the wet air is reduced, the wet air enters the drying drum, heat is released to clothes in the drying drum, the temperature of the clothes rises, steam is released and absorbed by the wet air, the temperature of the wet air is reduced, the relative humidity of the wet air is increased, and then the wet air is cooled and dehumidified through the evaporator to complete a drying cycle. The dryer generally heats air through a condenser of a heat pump system, and an evaporator dehumidifies circulating air to dry the clothes.
With the popularization of the clothes dryer, people put new requirements on the use of the clothes dryer, wherein the requirements on the safety and the sanitation of the clothes dryer are included, if the clothes dryer cannot be thoroughly sterilized in the process of using the clothes dryer, bacterial infection is easily caused or other diseases are easily caused, and the health of people is threatened. However, most of the sterilization and mite removal processes in the existing heat pump clothes dryer adopt ultraviolet sterilization or ozone sterilization, ozone and ultraviolet rays are harmful to human bodies, and the ultraviolet rays can cause clothes to fade. In addition, the ultraviolet ray can only sterilize the irradiated clothes, and the irradiated places can not be irradiated, so that dead sterilization corners are easily formed, and the sterilization effect is poor. The drying temperature of a common heat pump is only 40-65 ℃, so that good degerming or mite removing effect is difficult to achieve.
Disclosure of Invention
In view of the above, the present invention is directed to a method for removing bacteria and mites in a clothes treatment apparatus and a clothes treatment apparatus, so as to solve the problem of poor effect of removing bacteria and mites in the clothes treatment apparatus in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a degerming and mite-killing method for clothes treatment equipment comprises the following steps:
the clothes treatment equipment receives the drying and degerming and mite-killing instructions and starts to operate a degerming and mite-killing program;
adjusting the temperature Th of the inlet air in the roller to be within a first temperature range Delta T by controlling the exhaust temperature of the compressor and/or the outlet temperature of the condenser;
and controlling the air inlet temperature Th to be within a first temperature range delta T and maintaining the first time length delta T. Carry out degerming and remove mite through control air inlet temperature to the clothing and handle, compare with ultraviolet germicidal effect, do not need extra ultraviolet equipment, can not only reach fine degerming and remove mite effect, and can not cause the clothing to fade, and through the start-stop of control cooling fan or the lift of compressor frequency, control the interior air inlet temperature of bucket and can not excessively rise under the condition that reaches 70 ℃, and maintain at least 40min, can reach better degerming or remove the mite effect, can not cause great damage to the clothing again.
Further, the discharge temperature of the compressor and/or the condenser outlet temperature is controlled by controlling the operating frequency of the cooling fan or the compressor.
Further, adjusting the temperature Th of the intake air in the drum to reach the first temperature range Δ T includes the steps of:
judging whether the discharge temperature Tp of the compressor reaches the second set temperature T2 and/or the condenser outlet temperature Tc reaches the third set temperature T3;
if yes, controlling the air inlet temperature Th in the roller to be within a first temperature range delta T by controlling a cooling fan, or controlling the air inlet temperature Th in the roller to be within the first temperature range delta T by controlling the frequency of a compressor;
if not, keeping the cooling fan in a closed state or the compressor running according to the current set frequency, the clothes treatment device continues to run in the current state, and simultaneously continuously detects the exhaust temperature Tp and/or the condenser outlet temperature Tc of the compressor.
Further, the air inlet temperature Th in the roller is controlled to be within a first temperature range delta T by adjusting the on-off time proportion of the cooling fan; or the temperature Th of the inlet air in the drum is controlled to be within the first temperature range DeltaT by controlling the decrease or increase of the frequency of the compressor.
Further, the first temperature range delta T is set to be 70-75 ℃. The temperature in the roller is not lower than 70 ℃ when the program for removing bacteria and mites is operated.
Further, the first time period Δ t is set to be equal to or greater than 40 min. The acarid can not survive and the common bacteria can be inactivated.
Further, when the clothes processing equipment receives a drying instruction, the motor and the heat pump system are controlled to be started, heated air circularly enters the inside of the drum, and the clothes in the drum are dried.
The invention also provides a clothes treatment device, and the method for removing bacteria and mites by using the clothes treatment device comprises a rotary drum and a heat pump system, wherein the heat pump system comprises a compressor, a condenser and an evaporator which form a refrigerant circulating flow path, and a cooling fan is arranged near the compressor and used for adjusting the exhaust temperature of the compressor.
The control device is used for receiving the temperature information detected by the temperature detection device and an input instruction and controlling the compressor, the cooling fan and the condenser to operate in a set state.
Furthermore, an air outlet and an air inlet which are communicated with the interior of the drum are arranged on the drum, a front air channel is arranged between the air outlet and the heat pump system, a rear air channel is arranged between the air inlet and the heat pump system, and a circulating fan is arranged on the rear air channel and used for guiding air exhausted by the heat pump system to enter the interior of the drum.
Compared with the prior art, the method for removing bacteria and mites of the clothes treatment equipment has the following advantages:
carry out degerming and remove mite through control air inlet temperature to the clothing and handle, compare with ultraviolet germicidal effect, do not need extra ultraviolet equipment, can not only reach fine degerming and remove mite effect, and can not cause the clothing to fade, and through the start-stop of control cooling fan or the lift of compressor frequency, control the interior air inlet temperature of bucket and can not excessively rise under the condition that reaches 70 ℃, and maintain at least 40min, can reach better degerming or remove the mite effect, can not cause great damage to the clothing again.
Drawings
FIG. 1 is a schematic structural view of a laundry treating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for sterilizing and removing mites of a clothes treating apparatus according to an embodiment of the present invention;
FIG. 3 is a graph showing the trend of the temperature of the inlet air in the drum with time according to the embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a method for degerming and removing mites in a clothes treating apparatus according to a first embodiment of the present invention;
FIG. 5 is a schematic flow chart of a method for removing bacteria and mites by a clothes treating apparatus according to a second embodiment of the present invention;
fig. 6 is a schematic flow chart of a method for removing bacteria and mites by a clothes treatment device according to a third embodiment of the present invention.
Description of reference numerals:
1-drying roller, 2-front air duct, 3-rear air duct, 4-circulating fan, 5-compressor, 6-condenser, 7-throttling device, 8-evaporator, 9-exhaust port, 10-motor, 11-belt, 12-transmission device, 13-cooling fan, 14-return port, 15-heat pump system, 16-air outlet, 17-air inlet
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The most suitable survival temperature of the mites is 17-30 ℃, and when the temperature is higher than 55 ℃, the mites can not survive after the heating time lasts for more than 10 minutes. Staphylococcus aureus has low heat resistance and is completely killed by heating at 70 deg.C or more for several minutes. Coli can be inactivated for a large part by heating at 55 ℃ for 60 minutes or 60 ℃ for 15 minutes. Therefore, when the drying temperature reaches above 70 ℃ during the drying operation of the clothes treatment equipment, common bacteria such as escherichia coli, staphylococcus aureus and the like can be easily removed.
The embodiment provides a degerming and mite-killing method for clothes treatment equipment, which comprises the following steps of:
s1, starting up: the clothes processing equipment receives the drying and degerming and mite removing instructions and starts to operate a degerming and mite removing program.
When the clothes treatment equipment receives a drying instruction, the control motor and the heat pump system are started, the heat pump system starts to heat air, the heated air circularly enters the inside of the roller, the clothes in the inside of the roller are dried, the air inlet temperature Th in the roller 1 starts to rise, and as shown in fig. 3, the rising time period of the air inlet temperature Th is as follows: 0 to t 1.
S2, adjusting the temperature Th of the inlet air in the roller to be within a first temperature range delta T by controlling the exhaust temperature of the compressor and/or the outlet temperature of the condenser;
when the air inlet temperature Th in the roller reaches the lower limit value of the first temperature range delta T, the mites in the roller can be guaranteed to be unable to live, and common bacteria lose activity. The lower limit of the first temperature range Δ T is set according to the critical inactivation temperature of mites and bacteria. Preferably, the first temperature range delta T is set to be 70-75 ℃, and the temperature in the roller is not lower than 70 ℃ when the degerming and mite-killing program is operated.
Further, the discharge temperature of the compressor and/or the condenser outlet temperature is controlled by controlling the operating frequency of the cooling fan or the compressor.
Specifically, the process of adjusting the inlet air temperature Th in the drum to reach the first temperature range Δ T includes the steps of:
s21, judging whether the discharge temperature Tp of the compressor reaches the second set temperature T2 and/or the condenser outlet temperature Tc reaches the third set temperature T3, if so, executing the step S22 to ensure that the inlet air temperature is kept in the first temperature range delta T and is not in an overhigh state; if not, go to step S23;
and when the second set temperature T2 and the third set temperature T3 reach the first temperature range delta T according to the air inlet temperature Th, the air exhaust temperature of the compressor and the outlet temperature of the condenser at the corresponding moment are set.
When the discharge temperature Tp of the compressor reaches the second set temperature T2, and/or the condenser outlet temperature Tc reaches the third set temperature T3, it is indicated that the intake air temperature Th in the drum may reach above the lower limit value of the first temperature range T1.
When the discharge temperature Tp of the compressor does not reach the second set temperature T2 and/or the condenser outlet temperature Tc does not reach the third set temperature T3, indicating that the inlet air temperature Th in the drum is lower than the lower limit value of the first temperature range DeltaT, the discharge temperature Tp and/or the condenser outlet temperature Tc of the compressor should be prevented from decreasing to raise the inlet air temperature in the drum.
S22, controlling the temperature Th of the air supplied into the drum to be within the first temperature range Δ T by controlling the cooling fan, or controlling the temperature Th of the air supplied into the drum to be within the first temperature range Δ T by controlling the operation frequency of the compressor.
Furthermore, the air inlet temperature Th in the roller can be controlled to be within a first temperature range delta T by adjusting the on-off time proportion of the cooling fan; or the temperature of the intake air Th in the drum may be controlled within the first temperature range Δ T by controlling the decrease or increase of the operating frequency of the compressor.
Furthermore, when the inlet air temperature Th is close to or greater than the upper limit value of the first temperature range Δ T, the exhaust temperature of the compressor can be reduced by turning on the cooling fan, or the exhaust temperature of the compressor can be reduced by reducing the operating frequency of the compressor, so that the inlet air temperature Th in the drum is reduced to maintain Th in the first temperature range Δ T, and the clothes in the drum cannot be damaged due to overhigh temperature; when the air inlet temperature Th is close to or lower than the lower limit value of the first temperature range delta T, the exhaust temperature of the compressor is stopped to be cooled or the exhaust temperature of the compressor is increased by closing the cooling fan or increasing the running frequency of the compressor, and then the air inlet temperature Th in the roller is increased to maintain the Th in the first temperature range delta T, so that the sterilization and mite removal effects in the roller are ensured.
S23, keeping the cooling fan in the off state or the compressor running at the current set frequency, the laundry treating apparatus continues to run at the current state while continuously detecting the discharge air temperature Tp and/or the condenser outlet temperature Tc of the compressor, and returns to step S21 until the discharge air temperature Tp of the compressor reaches the second set temperature T2 and/or the condenser outlet temperature Tc reaches the third set temperature T3, and then step S22 is performed.
S3, controlling the air inlet temperature Th to be within a first temperature range delta T and maintaining the first time length delta T.
The first time period Δ t is set according to high temperature resistance of mites or common bacteria, and preferably, Δ t ═ t2-t1And the first time period delta t is set to be more than or equal to 40min, so that the mites can not survive and common bacteria are inactivated.
The clothing treatment facility degerming removes mite method that this embodiment provided, remove the mite processing to the clothing through control air inlet temperature, compare with ultraviolet sterilization effect, do not need extra ultraviolet equipment, can not only reach fine degerming and remove mite effect, and can not cause the clothing to fade, and through the lift of the start-stop of control cooling fan or compressor frequency, come control bucket interior air inlet temperature can not excessively rise under the condition that reaches 70 ℃, and maintain at least 40min, can reach better degerming or remove mite effect, can not cause great damage to the clothing again.
The present invention also provides a laundry treating apparatus, which may be used to dry laundry, towels, etc., as shown in fig. 2. The laundry treating apparatus may have only a single drying function, and may also have both washing and drying functions.
The laundry treating apparatus includes a casing (not shown in the drawings), a drum 1, a motor 10, and a heat pump system 15. Wherein, the drum 1, the motor 10 and the heat pump system 15 can be arranged in the casing at the same time, and the casing can play a role of supporting the drum 1 and the heat pump system 15 on the one hand, and can also play a role of optimizing the appearance of the clothes treatment equipment on the other hand. When the clothes treatment device works, the drum 1 is driven by the motor 10 through the belt 11 or other transmission structure to rotate.
The roller 1 is provided with an air outlet 16 and an air inlet 17 which are communicated with the inside of the roller, and circulating air can enter the roller 1 from the air inlet 17 and flow out from the air outlet 16.
A front air duct 2 is arranged between an air outlet 16 of the roller 1 and the heat pump system 15, a rear air duct 3 is arranged between an air inlet 17 of the roller 1 and the heat pump system 15, air heated and dried by the heat pump system circularly enters the roller 1 through the rear air duct 3, after clothes in the roller 1 are heated and dried, circulating air is discharged from the air outlet 16 of the roller 1 and circularly enters the heat pump system 15 through the front air duct 2 for heating and drying, and then the next round of circulation is started.
And a circulating fan 4 is also arranged on the rear air duct 3, the circulating fan 4 is connected with a motor 10 through a transmission device, and the circulating fan 4 is used for guiding air exhausted by the heat pump system 15 into the roller 1.
The heat pump system 15 includes a compressor 5, a condenser 6, a throttle device 7, and an evaporator 8 that constitute a refrigerant circulation flow path. The evaporator 8 is connected with the front air duct 2, the condenser 6 is connected with the rear air duct 3, and the evaporator 8 is connected with the condenser 6, so that wet cold air conveyed through the front air duct 2 is heated through the evaporator 8 and then dried through the condenser 6.
A cooling fan 13 is provided in the vicinity of the compressor 5, and the cooling fan 13 is used to adjust the exhaust temperature of the compressor 5.
The compressor 5 is provided with an exhaust port 9 and a return air port 14, the exhaust port 9 is connected with the condenser 6, the return air port 14 is connected with the evaporator 8, the other end of the condenser 6 is connected with the throttling device 7, the other end of the throttling device 7 is connected with the evaporator 8, therefore, a refrigerant discharged from the exhaust port 9 of the compressor 5 can flow to the condenser 6, the refrigerant exchanges heat with surrounding air in the condenser 6 to increase the temperature of the surrounding air, then the refrigerant flows to the throttling device 7, and the throttling device 7 has the functions of throttling and reducing pressure on the refrigerant. After being throttled and depressurized by the throttling device 7, the refrigerant enters the evaporator 8 and exchanges heat with air in the evaporator 8 at the same time, the refrigerant after heat exchange can return to the compressor 5 from the return air port 14, and the refrigerant after being compressed by the compressor 5 can be discharged from the exhaust port 9 and enter the condenser 6 to perform the next round of circulation.
Preferably, the throttling device 7 is a capillary tube, an electronic expansion valve or a thermal expansion valve.
The laundry treating apparatus further includes a control device for receiving the temperature information detected by the temperature detecting device and an instruction for input, and controlling the compressor, the cooling fan, and the condenser to operate in a set state, and a temperature detecting device.
The clothes treatment equipment provided by the embodiment realizes accurate adjustment of the exhaust temperature of the compressor by arranging the cooling fan 13 near the compressor 5, has a simple structure and does not influence the use of other parts.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a method for removing bacteria and mites in a clothes treatment device by controlling a ratio of on-off time of a cooling fan to control an exhaust temperature of a compressor, which specifically includes the following steps:
s1, starting up: the clothes processing equipment receives the drying and degerming and mite removing instructions and starts to operate a degerming and mite removing program.
The motor 10 and the heat pump system 15 are turned on, the circulating air heated by the heat pump system 15 enters the drum 1 to dry the clothes in the drum 1, the inlet air temperature Th in the drum 1 starts to rise, as shown in fig. 3, the rising time period of the inlet air temperature Th is as follows: 0 to t1, and t1 is 5400s to 6000 s.
S21, judging whether the exhaust temperature Tp of the compressor 5 reaches a second set temperature T2, if yes, executing a step S22; if not, go to step S23;
s22, controlling the air inlet temperature Th in the roller 1 to be within the range of 70-75 ℃ by adjusting the time ratio of the on and off of the cooling fan 13;
when the air inlet temperature Th is close to or greater than 75 ℃, the exhaust temperature of the compressor can be reduced by starting the cooling fan, so that the air inlet temperature Th in the roller is reduced to maintain the Th within the range of 70-75 ℃, and the clothes in the roller cannot be damaged due to overhigh temperature; when the air inlet temperature Th is close to or lower than 70 ℃, the exhaust temperature of the compressor can be stopped to be cooled by closing the cooling fan, and then the air inlet temperature Th in the roller is improved to enable the Th to be maintained in the range of 70-75 ℃.
S23, keeping the cooling fan 13 in the off state, the laundry treating apparatus continues to operate in the current state while continuously detecting the discharge temperature Tp of the compressor 5, and returns to step S21, and step S22 is performed until the discharge temperature Tp of the compressor 5 reaches the second set temperature T2.
S3, controlling the air inlet temperature Th within 70-75 ℃, and maintaining the first time length delta t.
Δt＝t2-t1The first time period Deltat is set to be equal to or greater than 40min, t29000 s-9600 s.
The degerming and mite-killing method for the clothes treatment equipment provided by the embodiment controls the exhaust temperature of the compressor through the on-off of the cooling fan, further adjusts the air inlet temperature in the roller, realizes the accurate adjustment of the air inlet temperature, can achieve a better degerming or mite-killing effect, and cannot cause great damage to clothes.
Example 2
As shown in fig. 1 to 3 and 5, the present embodiment provides a method for sterilizing and removing mites in a clothes treatment device by controlling the frequency of a compressor 5 to rise and fall so as to control the exhaust temperature of the compressor, and the present embodiment is different from embodiment 1 in that:
and step S22, controlling the inlet air temperature Th in the roller to be within the range of 70-75 ℃ by controlling the frequency of the compressor.
When the air inlet temperature Th is close to or greater than 75 ℃, the exhaust temperature of the compressor can be reduced by reducing the running frequency of the compressor, so that the air inlet temperature Th in the roller is reduced to maintain the Th within the range of 70-75 ℃, and the clothes in the roller cannot be damaged due to overhigh temperature; when the air inlet temperature Th is close to or lower than 70 ℃, the air exhaust temperature of the compressor can be increased by increasing the running frequency of the compressor, and then the air inlet temperature Th in the roller is increased to keep the Th within the range of 70-75 ℃.
Step S23, the compressor continues to operate at the current frequency while continuously detecting the discharge temperature Tp of the compressor 5, and returns to step S21, and step S22 is executed until the discharge temperature Tp of the compressor 5 reaches the second set temperature T2.
Other steps in this embodiment are the same as those in embodiment 1, and are not described herein again.
The degerming and mite-killing method for the clothes treatment equipment provided by the embodiment controls the exhaust temperature of the compressor through the ascending and descending of the running frequency of the compressor, further adjusts the air inlet temperature in the roller, realizes the accurate adjustment of the air inlet temperature, can achieve a better degerming or mite-killing effect, and cannot cause great damage to clothes.
Example 3
As shown in fig. 1 to 3 and fig. 6, the present embodiment provides a method for removing bacteria and mites in a clothes treatment apparatus for controlling the exhaust temperature of a compressor by controlling the on-off time ratio of a cooling fan and the lifting frequency of the compressor, and is different from embodiment 1 in that:
s22, controlling the air inlet temperature Th in the roller 1 to be within the range of 70-75 ℃ by adjusting the on-off time proportion of the cooling fan 13 and the ascending and descending of the running frequency of the compressor;
when the air inlet temperature Th is close to or 75 ℃, the exhaust temperature of the compressor can be reduced by starting the cooling fan and simultaneously reducing the running frequency of the compressor, so that the air inlet temperature Th in the roller is reduced to maintain the Th within the range of 70-75 ℃, and the clothes in the roller cannot be damaged due to overhigh temperature; when the air inlet temperature Th is close to or lower than 70 ℃, the air outlet temperature of the compressor can be improved by closing the cooling fan and increasing the running frequency of the compressor at the same time, so that the air inlet temperature Th in the roller is improved to maintain the Th within the range of 70-75 ℃, and the sterilization and mite removal effects in the roller are ensured.
S23, keeping the cooling fan 13 in the closed state while the compressor is operated at the current set frequency, the laundry treating apparatus continues to operate in the current state while continuously detecting the discharge temperature Tp of the compressor 5, and returns to step S21 until the discharge temperature Tp of the compressor 5 reaches the second set temperature T2, and then step S22 is performed.
Other steps in this embodiment are the same as those in embodiment 1, and are not described herein again.
The degerming and mite-killing method for the clothes treatment equipment provided by the embodiment controls the exhaust temperature of the compressor through the lifting of the running frequency of the compressor and the synergistic effect of the starting and stopping time of the cooling fan, so that the air inlet temperature in the roller is adjusted, the accurate adjustment of the air inlet temperature is realized, the better degerming or mite-killing effect can be achieved, and the clothes cannot be damaged greatly.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A degerming and mite-killing method for clothes treatment equipment is characterized by comprising the following steps:
the clothes treatment equipment receives the drying and degerming and mite-killing instructions and starts to operate a degerming and mite-killing program;
adjusting the temperature Th of the inlet air in the roller to be within a first temperature range Delta T by controlling the exhaust temperature of the compressor and/or the outlet temperature of the condenser;
and controlling the air inlet temperature Th to be within a first temperature range delta T and maintaining the first time length delta T.
2. The method of claim 1, wherein the discharge temperature of the compressor and/or the condenser outlet temperature is controlled by controlling the operation frequency of the cooling fan or the compressor.
3. The method of claim 1, wherein the adjusting the temperature of the supplied air Th in the drum to the first temperature range Δ T comprises the steps of:
judging whether the discharge temperature Tp of the compressor reaches the second set temperature T2 and/or the condenser outlet temperature Tc reaches the third set temperature T3;
if yes, controlling the air inlet temperature Th in the roller to be within a first temperature range delta T by controlling a cooling fan, or controlling the air inlet temperature Th in the roller to be within the first temperature range delta T by controlling the frequency of a compressor;
if not, keeping the cooling fan in a closed state or the compressor running according to the current set frequency, the clothes treatment device continues to run in the current state, and simultaneously continuously detects the exhaust temperature Tp and/or the condenser outlet temperature Tc of the compressor.
4. The method of claim 3, wherein the air intake temperature Th in the drum is controlled to be within a first temperature range Δ T by adjusting the on-off time ratio of the cooling fan; or the temperature Th of the inlet air in the drum is controlled to be within the first temperature range DeltaT by controlling the decrease or increase of the frequency of the compressor.
5. The method of claim 1, wherein the first temperature range Δ T is set to 70-75 ℃.
6. The method of claim 1, wherein the first time period Δ t is set to 40min or more.
7. The method for degerming and removing mites of clothes treatment equipment as claimed in claim 1, wherein when the clothes treatment equipment receives a drying command, the motor and the heat pump system are controlled to be started, heated air circulates into the inside of the drum, and clothes in the inside of the drum are dried.
8. A laundry treatment apparatus, characterized in that, the laundry treatment apparatus of any one of claims 1 to 7 is used for the method for degerming and removing mites, the laundry treatment apparatus comprises a drum (1) and a heat pump system (15), the heat pump system (15) comprises a compressor (5), a condenser (6) and an evaporator (8) which constitute a refrigerant circulation flow path, a cooling fan (13) is arranged near the compressor (5), and the cooling fan (13) is used for adjusting the exhaust temperature of the compressor (5).
9. The laundry treating apparatus according to claim 8, further comprising a control device for receiving the temperature information detected by the temperature detecting device and an instruction for input, and controlling the compressor, the cooling fan, and the condenser to operate in a set state, and a temperature detecting device.
10. The laundry processing apparatus according to claim 8, characterized in that the drum (1) is provided with an air outlet (16) and an air inlet (17) communicated with the inside of the drum, a front air duct (2) is provided between the air outlet (16) and the heat pump system (15), a rear air duct (3) is provided between the air inlet (17) and the heat pump system (15), the rear air duct (3) is provided with a circulating fan (4), and the circulating fan (4) is used for guiding air exhausted by the heat pump system (15) into the inside of the drum (1).
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| CN202010267609.0A CN113494006A (en) | 2020-04-08 | 2020-04-08 | Degerming and mite-killing method for clothes treatment equipment and clothes treatment equipment |
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| CN202010267609.0A CN113494006A (en) | 2020-04-08 | 2020-04-08 | Degerming and mite-killing method for clothes treatment equipment and clothes treatment equipment |
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| CN113957685A (en) * | 2021-11-16 | 2022-01-21 | 海信（山东）冰箱有限公司 | Clothes dryer control method and device, clothes dryer and storage medium |
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