WO2019154266A1 - Appareil de traitement de linge et son procédé de commande - Google Patents

Appareil de traitement de linge et son procédé de commande Download PDF

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Publication number
WO2019154266A1
WO2019154266A1 PCT/CN2019/074174 CN2019074174W WO2019154266A1 WO 2019154266 A1 WO2019154266 A1 WO 2019154266A1 CN 2019074174 W CN2019074174 W CN 2019074174W WO 2019154266 A1 WO2019154266 A1 WO 2019154266A1
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WO
WIPO (PCT)
Prior art keywords
drying
heat pump
pump system
roller
heating
Prior art date
Application number
PCT/CN2019/074174
Other languages
English (en)
Chinese (zh)
Inventor
李文伟
王光锋
吴军
潘光辉
王海波
王育宝
Original Assignee
青岛海尔滚筒洗衣机有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810135396.9A external-priority patent/CN110130043B/zh
Priority claimed from CN201810135397.3A external-priority patent/CN110130044A/zh
Priority claimed from CN201810136190.8A external-priority patent/CN110130076B/zh
Application filed by 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2019154266A1 publication Critical patent/WO2019154266A1/fr

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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
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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
    • D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • D06F29/005—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus the other separate apparatus being a drying appliance
    • 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
    • D06F58/48—Control of the energy consumption
    • 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
    • D06F2103/16—Washing liquid temperature
    • 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
    • D06F2103/68—Operation mode; Program phase
    • 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
    • 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
    • D06F2105/28—Electric heating
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/10—Power supply arrangements, e.g. stand-by circuits
    • 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
    • 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 present invention relates to the technical field of laundry treating apparatuses, and in particular to a laundry treating apparatus capable of safely performing drying of laundry and heating of washing water, and a control method therefor.
  • the dryer When the dryer and the washing machine are integrally provided and share the same power cord, the dryer includes a heat pump system for heating the air entering the drying cylinder, and the washing machine is provided with a washing water heater for heating the washing water. Both heaters are high-powered appliances. When they are working at the same time, it is likely that the working power of the all-in-one will exceed the rated power. For example, the current in the power line is greater than the rated current, which has a large safety hazard. Therefore, although the integrated machine has two heating functions, if the two heating functions are controlled at the same time, it is unsafe and has a risk of causing a fire.
  • the integrated machine only accepts a command to operate the heater, when the user needs to heat the washing water and dry the clothes, Only one of them can be selected, and another control command needs to be input after the execution of the program is completed, so that the control of the all-in-one machine is cumbersome and inconvenient.
  • the high-temperature gaseous medium generated by the heat pump system exchanges heat with the drying air after passing through the condenser, and the heat is used for drying, so the heat level directly determines the drying effect and speed.
  • the clothes need to be quickly dried, it takes a long time to dry the clothes by the heat pump system, and the user experience is not good.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a laundry treating apparatus including a washing device and a drying device, and the laundry treating device controls washing when the washing water heating program and the drying program are simultaneously performed.
  • the laundry treatment equipment automatically controls and executes the control instructions issued by the user to ensure that the laundry treatment equipment performs safe work within the rated power, preventing the washing apparatus from heating and drying the laundry at the same time, and the power of the laundry treatment equipment is too large, which is disadvantageous to Safety.
  • a method of controlling a laundry treating apparatus comprising a washing device and a drying device, the washing device comprising a water heater for heating the washing water, the drying device comprising a heating drying wind
  • the laundry treating device controls the switch of the water heater, the heat pump system, the auxiliary heating device, and/or adjusts the power to satisfy the whole machine of the laundry treating device Power requirements.
  • the laundry treating device controls the water heater of the washing device, the heat pump system of the drying device, the switch of the auxiliary heating device, and/or adjusts the power to satisfy The whole machine power requirement of the laundry processing equipment, so that the user can simultaneously release and add different heating control commands at any time, and the laundry processing equipment automatically controls and executes the control commands issued by the user to ensure that the laundry processing equipment performs safe work within the rated power.
  • the power of the laundry treating equipment is too large, which is unfavorable for safety.
  • the laundry treating device controls the heat pump system/auxiliary heating device of the drying device and the water heater of the washing device to turn on heating;
  • the simultaneous opening of the heat pump system, the auxiliary heating device and the water heater may exceed the rated power of the laundry treating device, which is dangerous, so when the washing water heating program and the drying program are simultaneously executed, the laundry processing device controls One of the heat sources of the drying device is turned off, so that the washing water heating process and the drying process can be performed simultaneously.
  • the laundry treating device controls the heat pump system of the drying device and the water heater of the washing device to turn on heating, and the auxiliary heating device is kept closed.
  • the heat pump system has a power of 300 W and the auxiliary heating device has a power of 500 W.
  • the laundry treating device determines whether the water heater of the washing device is in an open state, and if the determination result is yes, then the control heat pump system is turned on, and the auxiliary heating device is kept in a closed state; otherwise, Both the control heat pump system and the auxiliary heating unit are turned on.
  • the laundry treating device detects whether the drying device is in an operating state, and if so, controls the auxiliary heating device to be turned off, and controls the water heater and the heat pump system to heat up.
  • the laundry treating device detects that the washing water is heated, controls the opening of the auxiliary heating device, and increases the drying power of the drying device. .
  • the auxiliary heating device is controlled to be turned on, so that the machine power requirement of the laundry processing device is satisfied. Increase the drying power and increase the drying speed.
  • the laundry treating device controls the heat pump system to remain in an open state, and controls the water heater and the auxiliary heating device to alternately operate.
  • the heat pump system with low power is kept in operation, and the water heater and the auxiliary heating device are alternately operated, so that the washing water heating program and drying are simultaneously performed under the condition that the power requirement of the laundry processing equipment is satisfied. program.
  • the alternate operation of the water heater and the auxiliary heating device is: a process of heating the water heater of the duration T1 and a process of heating the auxiliary heating device of the duration T2 alternately;
  • T1 and T2 are from 0.5 min to 2 min, and more preferably, T1 and T2 are 1 min.
  • both T1 and T2 are set to a small value, thereby reducing the time interval in which the water heater and the auxiliary heating device are alternately executed, and reducing the interval to perform the work efficiency of the washing water heating program and the drying program. influences.
  • the drying device comprises a drying cylinder
  • the washing device comprises a washing tub.
  • the drying is performed.
  • the dryer cylinder of the dryer device remains rotated, and when the auxiliary heating device is turned on and the water heater is turned off, the washing tub of the washing device remains rotated.
  • the laundry treating device controls the washing water heating process and the drying wind heating process to alternately operate
  • the alternate operation of the washing water heating process and the drying air heating process comprises: a water heater heating process of a duration T3 and a heating process in which the heat pump system of the duration T4 and the auxiliary heating device are both turned on alternately.
  • T3 and T4 are from 0.5 min to 2 min, and more preferably, T3 and T4 are 1 min.
  • the washing water heating process and the drying air heating process are alternately operated, and the heat pump system and the auxiliary heating device are simultaneously turned on and off, thereby having an efficient heating state in the drying air heating process.
  • the present invention also provides a control method of a laundry treating apparatus including a washing device and a drying device, the washing device including a water heater for heating washing water, the drying device including heating a drying air heat pump system, when the washing water heating program and the drying program are simultaneously performed, the laundry treating device controls the water heater and the heat pump system to operate at different times, or adjusts the power of the water heater and/or the heat pump system so that both Can work at the same time.
  • the laundry treating device controls the water heater of the washing device, and the heat pump system of the drying device does not work at the same time or mediates the power of both to make the laundry treatment
  • the actual power of the equipment meets the power requirements of the whole processing equipment of the laundry processing equipment, so that the user can simultaneously release and add different heating control commands at any time.
  • the laundry processing equipment automatically controls and executes the control commands issued by the user to ensure that the laundry processing equipment is rated. Safe work is carried out within the power to prevent the laundry treatment equipment from being too powerful during the process of simultaneously performing the washing water heating and drying of the laundry, which is not conducive to safety.
  • the compressor of the heat pump system is a variable frequency compressor, and when the washing water heating program and the drying program are both executed, the laundry processing device adjusts the working frequency of the compressor so that the two can work simultaneously .
  • the operating power of the heat pump system can be adjusted by mediating the operating frequency of the variable frequency compressor, so that the heat pump system and the water heater can operate simultaneously.
  • the compressor of the heat pump system has different working frequencies.
  • the laundry processing device controls the compressor of the heat pump system to operate at a larger working frequency, which is performed in the washing water heating program.
  • the laundry treatment device controls the compressor to operate at a lower operating frequency.
  • the laundry processing device determines whether the water heater is in an open state, and if the determination result is yes, the compressor controlling the heat pump system operates at the second working frequency; otherwise, the heat pump system is controlled.
  • the compressor operates at a first operating frequency, the first operating frequency being greater than the second operating frequency;
  • the second operating frequency is 3000 k/min
  • the first operating frequency is 5000 k/min.
  • the laundry treatment device controls the compressor of the heat pump system to switch to the first working frequency, and the drying of the drying device is increased. Dry power.
  • the laundry treating apparatus controls the compressor of the heat pump system to be switched from the lower second operating frequency to the higher first operating frequency, thereby improving the drying efficiency.
  • the heat pump system includes a fixed frequency first compressor and a second compressor, the first compressor operating frequency is greater than the second compressor operating frequency, and the washing water heating program
  • the laundry treating apparatus controls the second compressor operation, and when only the drying process is performed, the laundry treating apparatus controls the first compressor to operate.
  • the power of the heat pump system is adjusted by switching the operation of the first compressor and the second compressor, so that the heat pump system and the water heater can work simultaneously, and when the drying process is only performed, the control power is higher.
  • a compressor works to improve drying efficiency.
  • the water heater is provided with different heating power
  • the laundry treatment device adjusts the power of the water heater to enable the heat pump system and the water heater to work simultaneously, or the laundry treatment device simultaneously adjusts The operating frequency of the water heater and the compressor of the heat pump system allows both to operate simultaneously.
  • the water heater and the heat pump system can also be operated simultaneously by adjusting the operating frequency of the water heater, or the operating frequency of the water heater and the heat pump system compressor can be adjusted at the same time, so that the laundry treating device operates at the rated power.
  • the laundry treatment device controls the water heater and the heat pump system to alternately operate when the wash water heating program and the drying program are simultaneously performed.
  • the alternate operation of the water heater and the heat pump system comprises: a water heater heating process of a duration T3 and a heat pump system heating process of a duration T4, wherein the heat pump system of the duration T4 is During the heating process, the compressor of the heat pump system operates at the first operating frequency;
  • the compressor is controlled to operate at the first operating frequency, thereby improving the drying efficiency while ensuring safety.
  • the values which can be adjusted at T3 and T4 are used to freely set specific values of both, and preferably, T3 and T4 are equal.
  • T3 and T4 are from 0.5 min to 2 min, and further preferably, T3 and T4 are 1 min.
  • T3 and T4 are both small, so that when the water heater and the heat pump system are alternately operated, the one that suspends heating does not receive much influence.
  • the drying device comprises a drying cylinder
  • the washing device comprises a washing tub.
  • the drying is performed.
  • the dryer cylinder of the device remains rotated.
  • the washing tub of the washing device remains rotated.
  • the drying cylinder and the washing tub are kept in a rotating state during the simultaneous execution of the washing water heating program and the drying program, thereby reducing the water heater and the heat pump system alternately performing the washing water heating process and drying.
  • the present invention also provides a method of controlling a laundry treating apparatus, the laundry treating apparatus comprising at least a first roller and a second roller, the first roller and the second roller sharing the same drying module for drying clothes, and when the first roller performs drying In operation, the second roller determines whether to perform the drying operation based on the dried running time of the first roller and/or the total length of drying required for the first roller.
  • the control method further includes a first The minimum drying clothes running time parameter a, a is the set value.
  • control method further includes a second drum determination parameter b, b being a set value; when t5 ⁇ aT6, and T7>bT6, the drying operation of the first drum is preferentially performed, and then the second roller is executed. Drying operation
  • b is 2/3.
  • control method further includes a first drum drying operation time parameter m and n, m and n are set values, and m>n, when t5>m or T6-t5 ⁇ n, the second roller Waiting for the first roller to finish drying, and then performing the drying operation;
  • m is 60 minutes and n is 40 minutes.
  • control method includes a first drum drying time determination reference value T', T' is a set value, and the dryer performs a corresponding drying operation judgment according to the magnitude relationship of T6 and T', when T6 ⁇
  • T' is performed, the drying operation of the first roller is performed preferentially, and then the drying operation of the second roller is performed;
  • T' is 40 minutes.
  • T6 ⁇ T', and t5 ⁇ T' the relationship between the running dry time t5 of the first roller and the remaining drying time T6-t5 of the first roller is determined: when t5>T6 At -t5, the drying operation of the second roller is performed after the drying operation of the first roller is performed preferentially.
  • control method includes a first drum remaining time determination parameter w, w being a set value, when t5 ⁇ T6-t5, when T6-t5-t5>w: if w>T7, suspending the first Drying operation of the drum, preferentially running the drying operation of the second drum; otherwise, preferentially operating the drying operation of the first drum;
  • w is 30 minutes.
  • control method includes a first drum priority parameter u, u is a set value and T6>u, when t5>u: when T7 ⁇ u, suspending the drying operation of the first drum, giving priority to the second Drying operation of the drum; otherwise, priority is given to the drying operation of the first drum;
  • the first drum priority parameter u is 40 minutes.
  • control method further includes: when the first roller performs the drying operation, the second roller waits for the first roller to perform the drying operation, and then starts performing the drying operation;
  • the first roller or the second roller performs a drying operation
  • another roller waiting to perform a drying operation performs a clothing shaking process.
  • Another object of the present invention is to provide a laundry treating apparatus using the above control method.
  • the present invention has the following beneficial effects compared with the prior art:
  • a laundry treating apparatus of the present invention comprising a washing apparatus and a drying apparatus, the washing apparatus comprising a water heater for heating washing water, the drying apparatus comprising a heat pump system for heating the drying wind and an auxiliary
  • the heating device controls the water heater, the heat pump system, the switch of the auxiliary heating device, and/or adjusts the power to meet the overall power requirement of the laundry treating device when the washing water heating program and the drying program are simultaneously performed.
  • the user can simultaneously release and add different heating commands at any time, and the laundry processing device automatically controls and executes the heating control command issued by the user to ensure that the laundry processing equipment performs safe work within the rated power, thereby ensuring the safety. User security.
  • the laundry treating device controls the heat pump system of the drying device and the water heater of the washing device to turn on heating, and the auxiliary heating device remains closed.
  • the drying device needs to perform the drying process, when the water heater of the washing device is in operation, only the heat pump system or the auxiliary heating device can be turned on, and when the water heater of the washing device is not in operation, it is simultaneously turned on.
  • the heat pump system and the auxiliary heating device increase the drying efficiency.
  • auxiliary heating device When the washing water heating program needs to be executed, if both the auxiliary heating device and the heat pump system of the laundry treating device are in an operating state, one of the auxiliary heating device and the heat pump system is controlled to be closed, thereby satisfying the power requirement, and preferably, the closing power is large.
  • Auxiliary heating device When the heat pump system and the water heater of the washing device are both turned on, when the heating of the washing water is detected, the auxiliary heating device is controlled to be opened, thereby increasing the drying under the premise of satisfying the power requirement of the whole processing equipment. Power, increase the speed of dry clothes.
  • Figure 1 is a schematic structural view of a laundry treating apparatus of the present invention
  • FIG. 3 is a laundry treating apparatus according to an eighth embodiment of the present invention.
  • Embodiment 4 is a logic diagram of a control method according to Embodiment 4 of the present invention.
  • Figure 5 is a schematic flow chart of the tenth embodiment
  • Figure 6 is a schematic flow chart of the twelfth embodiment.
  • washing device 11, water heater; 2, drying device; 21, heat pump system, 22, auxiliary heating device; 23, drying air duct.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the present embodiment provides a method of controlling a laundry treating apparatus including a washing apparatus 1 and a drying apparatus 2, the washing apparatus 1 including water heating for heating washing water.
  • the drying device 2 includes a heat pump system 21 for heating the drying wind and an auxiliary heating device 22, and when the washing water heating program and the drying program are simultaneously performed, the laundry treating device controls the water heater 11,
  • the heat pump system 21, the auxiliary heating device 22 is switched and/or adjusted to meet the overall power requirements of the laundry treatment equipment.
  • the laundry treating device controls the water heater 11 of the washing device 1, the heat pump system 21 of the drying device 2, the switch of the auxiliary heating device 22, and/or Or adjust the power to meet the power requirements of the clothing processing equipment, so that the user can simultaneously release and add different heating control commands at any time, and the laundry processing equipment automatically controls and executes the control commands issued by the user to ensure that the laundry processing equipment is rated. Safe work is carried out within the power to prevent the laundry treatment equipment from being too powerful during the process of simultaneously performing the washing water heating and drying of the laundry, which is not conducive to safety.
  • the laundry treating device controls the heat pump system 21/auxiliary heating device 22 of the drying device 2 and the water heater 11 of the washing device 1 to turn on heating;
  • the simultaneous opening of the heat pump system 21, the auxiliary heating device 22 and the water heater 11 may exceed the rated power of the laundry treating device, which is dangerous, so when the washing water heating program and the drying program are simultaneously executed, the clothes are
  • the processing apparatus controls one of the heat sources of the drying device 2 to be turned off, so that the washing water heating program and the drying process can be simultaneously performed.
  • the laundry treating apparatus controls the heat pump system 21 of the drying device 2 and the water heater 11 of the washing device 1 to turn on heating, and the auxiliary heating device 22 is kept closed.
  • the power of the heat pump system 21 is 300 W, and the power of the auxiliary heating device 22 is 500 W.
  • the laundry treating device determines whether the water heater 11 of the washing device 1 is in an open state. If the determination result is yes, the control heat pump system 21 is turned on, and the auxiliary heating device 22 is kept. The closed state, otherwise, both the control heat pump system 21 and the auxiliary heating device 22 are turned on.
  • the laundry treating apparatus detects whether the drying apparatus 2 is in an operating state, and if so, controls the auxiliary heating apparatus 22 to be turned off, and controls the water heater 11 and the heat pump system 21 to be heated.
  • the washing water heating program when the washing water heating program needs to be executed, if both the auxiliary heating device 22 and the heat pump system 21 of the laundry treating device are in an operating state, one of the auxiliary heating device 22 and the heat pump system 21 is controlled to be turned off, thereby satisfying the power. Preferably, it is preferred to turn off the auxiliary heating device 22 having a higher power.
  • the laundry treating device detects that the washing water is heated, controls the opening of the auxiliary heating device 22, and increases drying.
  • the drying power of the device 2 is the drying power of the device 2.
  • the laundry treating device controls the heat pump system 21 to remain in an open state, and controls the water heater 11 and the auxiliary heating device 22 to alternately operate.
  • the heat pump system 21 having a small power is kept in an operating state, and the water heater 11 and the auxiliary heating device 22 are alternately operated to simultaneously perform the washing water heating process under the condition that the power requirements of the laundry treating equipment are satisfied. And drying procedures.
  • the water heater 11 and the auxiliary heating device 22 are alternately operated in such a manner that the process of heating the water heater 11 of the duration T1 and the process of heating the auxiliary heating device 22 of the duration T2 are alternately performed;
  • T1 and T2 are from 0.5 min to 2 min, and more preferably, T1 and T2 are 1 min.
  • both T1 and T2 are set to a small value, thereby reducing the time interval in which the water heater 11 and the auxiliary heating device 22 are alternately performed, and reducing the interval to perform the work on the washing water heating program and the drying process. The impact of efficiency.
  • the drying device 2 comprises a drying cylinder
  • the washing device 1 comprises a washing tub.
  • the auxiliary heating device 22 When closed, the dryer cylinder of the drying device 2 keeps rotating, and when the auxiliary heating device 22 is turned on and the water heater 11 is turned off, the washing tub of the washing device 1 keeps rotating.
  • the drying cylinder and the washing tub are kept in a rotating state during the simultaneous execution of the washing water heating program and the drying program, thereby reducing the water heater 11 and the auxiliary heating device 22 alternately performing the washing water heating program. And the impact of the drying program's work efficiency.
  • the laundry treating device controls the washing water heating process and the drying wind heating process to alternately operate
  • the alternate operation of the washing water heating process and the drying air heating process comprises: heating the water heater 11 of the duration T3 and the heating process of the heat pump system 21 and the auxiliary heating device 22 of the duration T4 alternately .
  • T3 and T4 are from 0.5 min to 2 min, and more preferably, T3 and T4 are 1 min.
  • the alternate operation of the wash water heating process and the dry air heating process, the heat pump system 21 and the auxiliary heating device 22 are simultaneously turned on and off, thereby having an efficient heating state during the drying air heating process.
  • control steps of the laundry processing device to open the drying program are provided:
  • step S1 the drying device 2 needs to perform the drying process, the laundry processing device determines whether the water heater 11 of the washing device 1 is in the open state, if the determination is yes, then proceeds to step S2, otherwise proceeds to step S4;
  • the laundry treatment device controls the heat pump system 21 to be turned on, and the auxiliary heating device 22 is kept in a closed state;
  • the laundry treatment device detects whether the washing water heating program is finished, and if so, then controls to turn on the auxiliary heating device 22, proceeds to step S6, otherwise proceeds to S2;
  • the laundry treatment device controls the heat pump system 21 and the auxiliary heating device 22 to be turned on;
  • the laundry treatment device detects whether the washing device 1 is to perform the washing water heating program, and if so, then control to turn off the auxiliary heating device 22, turn on the water heater 11, proceeds to step S6, otherwise, proceeds to step S4;
  • step S6 if the drying device performs the drying process, the process directly proceeds to step S6, which is not reflected in the above steps.
  • the above control step is based on the drying device. The control process that has not been completed.
  • Embodiment 2 is the same as Embodiment 1 in that the laundry treating apparatus also includes a washing device 1 and a drying device 2, the washing device 1 including a water heater 11 for heating washing water, the drying The device 2 includes a heat pump system 21 and an auxiliary heating device 22 for heating the drying air, except that the compressor of the heat pump system 21 of the laundry treating apparatus in the second embodiment is a variable frequency compressor, and in actual work, The laundry treatment equipment adjusts the power of the whole machine by controlling the operating frequency of the variable frequency compressor. When the wash water heating program and the drying program are simultaneously performed, the laundry treating apparatus controls to lower the frequency of the compressor so that the heat pump system 21 and the auxiliary heating device 22 and the water heater 11 of the washing device 1 simultaneously turn on heating.
  • the compressor When the drying device 2 needs to perform the drying process, when the water heater 11 of the washing device 1 is in operation, the compressor is controlled to operate at a small operating frequency, and the auxiliary heating device 22 maintains a normal working state when washing When the water heater 11 of the apparatus 1 is not in operation, the compressor of the heat pump system 21 is controlled to operate at a relatively large operating frequency.
  • the washing water heating program needs to be executed, if the compressor of the heat pump system 21 of the laundry treating apparatus operates at a large operating frequency, the compressor is controlled to lower the operating frequency, and the laundry treating apparatus is ensured to work safely under the power requirement of the whole machine.
  • the control increases the operating frequency of the compressor, thereby satisfying the laundry processing apparatus. Under the premise of machine power requirements, increase the drying power and increase the drying speed.
  • the third embodiment provides a laundry processing apparatus using the control method in the first embodiment or the second embodiment, and includes a box body, and the washing device 1 and the drying device 2 are respectively disposed in the box body, and two
  • the washing device 1 comprises a water heater 11 for heating the washing water
  • the drying device 2 comprises a heat pump system 21 for heating the drying wind and an auxiliary heating device 22;
  • the drying device 2 includes a drying air duct 23, and a circulation fan is disposed in the drying air duct 23 to provide drying air circulation power, and the auxiliary heating device 22 is installed in the drying air.
  • the heating wire in the channel, or the auxiliary heating device 22 is a heating wire coated on the pipe connecting the compressor and the condenser of the heat pump system 21, the heating wire is heated to increase the temperature of the medium changed in the condenser, thereby improving baking. Dry efficiency.
  • the first embodiment provides a method of controlling a laundry treating apparatus including a washing apparatus 1 and a drying apparatus 2, the washing apparatus 1 including water for heating washing water.
  • the heater 11, the drying device 2 includes a heat pump system 21 for heating the drying air, and when the washing water heating program and the drying program are simultaneously performed, the laundry treating device controls the water heater 11 and the heat pump system 21 not Working simultaneously, or adjusting the power of the water heater 11 and/or the heat pump system 21, enables both to operate simultaneously.
  • the laundry treating device controls the water heater 11 of the washing device 1 and the heat pump system 21 of the drying device 2 to simultaneously operate or mediate the power of both So that the actual power of the laundry processing equipment meets the power requirement of the whole processing equipment, thereby realizing that the user can simultaneously release and issue different heating control commands at the same time, and the laundry processing device automatically controls and executes the control command issued by the user to ensure the clothing.
  • the processing equipment performs safe work within the rated power, preventing the laundry treatment equipment from being too powerful during the process of simultaneously performing the washing water heating and drying the laundry, which is not conducive to safety.
  • the compressor of the heat pump system 21 is a variable frequency compressor.
  • the laundry treating device adjusts the operating frequency of the compressor so that both can simultaneously jobs.
  • the operating power of the heat pump system 21 can be adjusted by mediating the operating frequency of the variable frequency compressor so that the heat pump system 21 and the water heater 11 can operate simultaneously.
  • the compressor of the heat pump system 21 has different operating frequencies of different sizes.
  • the laundry treating device controls the compressor of the heat pump system 21 to operate at a larger operating frequency, in the washing water heating program.
  • the laundry treatment device controls the compressor to operate at a lower operating frequency.
  • the laundry treating device determines whether the water heater 11 is in an open state. If the determination result is yes, the compressor of the heat pump system 21 is controlled to operate at the second working frequency; otherwise, Controlling the compressor of the heat pump system 21 to operate at a first operating frequency, the first operating frequency being greater than the second operating frequency;
  • the second operating frequency is 3000 k/min
  • the first operating frequency is 5000 k/min.
  • the laundry treatment device controls the compressor of the heat pump system 21 to switch to the first working frequency, and the drying device is enlarged. 2 drying power.
  • the laundry treating apparatus controls the compressor of the heat pump system 21 to be switched from the lower second operating frequency to the higher first operating frequency, thereby improving the drying efficiency.
  • step S1 the drying device 2 needs to perform the drying process, the laundry processing device determines whether the water heater 11 of the washing device 1 is in the open state, if the determination is yes, then proceeds to step S2, otherwise proceeds to step S4;
  • the laundry treatment device controls the compressor of the heat pump system 21 to operate at a second operating frequency
  • the laundry treatment device detects whether the washing water heating program is finished, and if so, the compressor of the control heat pump system 21 is switched to the first working frequency to work, proceeds to step S6, otherwise proceeds to S2;
  • the laundry processing device controls the compressor of the heat pump system 21 to operate at a first operating frequency
  • the laundry treatment device detects whether the washing device 1 is to perform the washing water heating program, and if so, the compressor is controlled to switch to the second operating frequency, the water heater 11 is turned on, proceeds to step S6, otherwise, proceeds to step S4;
  • step S6 if the drying device performs the drying process, the process directly proceeds to step S6, which is not reflected in the above steps.
  • the above control step is based on the drying device. The control process that has not been completed.
  • the first operating frequency is 5000 k/min
  • the second operating frequency is 3000 k/min.
  • the power of the drying device 2 is about 800 W, when the compressor is at the second operating frequency. In operation, the power of the drying device 2 is approximately 300W.
  • the rotation speed of the compressor of the drying device 2 is set to 3000 k/min.
  • the rotation speed of the compressor of the drying device 2 is switched from 3000 k/min to 5000 k/min.
  • the rotation speed of the compressor is set to 5000 k/min, and if the drying device 2 is in operation, the washing device is detected. 1 It is necessary to enter the washing water heating stage, and the rotation speed of the compressor is adjusted from 5000 k/min to 3000 k/min.
  • Embodiment 5 differs from Embodiment 4 in that, in the second embodiment, the heat pump system 21 includes a first compressor and a second compressor of a fixed frequency, and the operating frequency of the first compressor is greater than that of the second compressor.
  • the working frequency when the washing water heating program and the drying program are simultaneously performed, the laundry treating device controls the second compressor operation, and when only the drying program is executed, the laundry treating device controls the first compressor to operate.
  • the power of the heat pump system 21 is adjusted by switching the operation of the first compressor and the second compressor, so that the heat pump system 21 and the water heater 11 can work simultaneously, and when only the drying process is performed, the control power is compared.
  • the high first compressor works to improve drying efficiency.
  • the laundry treating apparatus may comprise two sets of heat pump systems 21, the first compressor being the compressor of the first set of heat pump systems 21 and the second compressor being the compressor of the second set of heat pump systems 21.
  • the laundry treating apparatus is provided with only one heat pump system 21 including a first compressor and a second compressor connected in parallel with each other, and both ends of the two compressors pass through the first switching valve and the second switching valve, respectively.
  • the connection is achieved by controlling the two switching valves to flow the refrigerant through the first compressor or the second compressor.
  • the two compressors are a first compressor and a second compressor connected in series on the refrigerant circuit of the heat pump system 21, and the laundry processing device realizes the adjustment of the drying device 2 by controlling the switching operation of the first compressor and the second compressor. power.
  • the sixth embodiment is different from the fourth embodiment and the fifth embodiment in that the water heater 11 is provided with different heating power, and the laundry treating apparatus adjusts the power of the water heater 11 to make the heat pump system 21 and the water heater 11 It is possible to work at the same time, or the laundry treating apparatus simultaneously adjusts the operating frequencies of the water heater 11 and the compressor of the heat pump system 21 so that both can work simultaneously.
  • the water heater 11 and the heat pump system 21 can be simultaneously operated by adjusting the operating frequency of the water heater 11, or the operating frequency of the water heater 11 and the heat pump system 21 compressor can be adjusted at the same time, so that the laundry treating apparatus Work at rated power.
  • the process of alternately operating the water heater 11 and the heat pump system 21 includes: a heating process of the water heater 11 having a duration T3 and a heating process of the heat pump system 21 having a duration T4, wherein the duration is During the heating of the heat pump system 21 of T4, the compressor of the heat pump system 21 operates at the first operating frequency;
  • the values which can be adjusted at T3 and T4 are used to freely set specific values of both, and preferably, T3 and T4 are equal.
  • T3 and T4 are from 0.5 min to 2 min, and further preferably, T3 and T4 are 1 min.
  • T3 and T4 are both small, so that when the water heater 11 and the heat pump system 21 are alternately operated, the one that suspends heating does not receive much influence.
  • the drying device 2 comprises a drying cylinder
  • the washing device 1 comprises a washing tub.
  • the drying device 2 comprises a drying cylinder
  • the washing device 1 comprises a washing tub.
  • the drying cylinder and the washing tub are kept in a rotating state during the simultaneous execution of the washing water heating program and the drying program, thereby reducing the water heater 11 and the heat pump system 21 to alternately perform the washing water heating process and The impact of the drying program's work efficiency.
  • the present embodiment provides a laundry processing apparatus using the control method of the first embodiment, which includes a box body.
  • the washing apparatus 1 and the drying apparatus 2 are disposed above and below the tank, and the laundry treating apparatus further includes There is a control device, the washing device 1 comprising a water heater 11 for heating wash water, the drying device 2 comprising a heat pump system 21 for heating the drying air, the control device being used for When the washing water heating program and the drying program are simultaneously performed, the control water heater 11 and the heat pump system 21 are not operated at the same time, or the power of the water heater 11 and/or the heat pump system 21 is adjusted so that both can operate at the same time.
  • the present invention discloses a method for controlling a laundry treating apparatus.
  • the laundry treating apparatus includes at least a first roller and a second roller, and the first roller and the second roller share the same drying module for drying.
  • the second roller determines whether to perform the drying operation according to the running drying time of the first roller and/or the total drying time of the first roller.
  • the invention controls the opening or closing of the drying process of each drum by comprehensively judging the mutual relationship of the drying time of each drum, so that the laundry processing apparatus with multiple rollers using only one drying module can realize each of them efficiently and quickly.
  • the drying operation of the drum improves the flow efficiency of each drum, minimizes the total time required for drying the clothes, improves the efficiency of the drying treatment, and minimizes the occurrence of wrinkles caused by the waiting of the clothes. .
  • the laundry treating apparatus includes at least a first roller and a second roller, wherein the first roller and the second roller share the same drying module for drying clothes, and when the first roller performs a drying operation, the second roller is according to the first roller
  • the drying time, and/or the total length of drying required for the first drum determines whether or not to perform the drying operation.
  • the first drum has been operated for a drying time of t5, the total drying time of the first drum is T6; the total drying time of the second drum is T7, and the control method further comprises the first drum being the least dry
  • the clothing running time parameter a, a is the set value.
  • a is 1/18;
  • T6 is 180 minutes.
  • the control method further includes the second drum determining parameter b, b being a set value; when t5 ⁇ aT6, as long as T7>bT6, the drying operation of the first drum is preferentially performed, and then the drying of the second drum is performed. operating;
  • b is 2/3.
  • the first roller is a defined roller that performs a drying operation first. If the total drying time of the first roller is T6 is 180 minutes and the first roller has a running time t5 of less than 10 minutes, then Determine the total time required for the drying process of the two cylinders. If the total time is small, the operation will be given priority.
  • the running time t5 of the first roller is greater than 10 minutes, it is further determined that when the total drying time T7 of the second roller exceeds 2 hours, regardless of the stage of the drying process of the first roller, the priority operation is performed.
  • the drying process of one drum is followed by the drying process of the second drum; otherwise, the drying operation of the first drum is stopped, and the drying process of the second drum is performed.
  • the function of this embodiment is that when the first drum is just running, the laundry drying at this time is in the initial stage, and the temperature in the drum does not rise to a relatively high temperature.
  • the second drum has the demand for drying clothes Considering the relationship between the total drying time of the first roller and the second roller, since it is in the initial stage of temperature rise, the energy waste caused by switching the drum is the least, and the flow efficiency for the drum is It is important to consider the interrelationship of the total time required for the drying of the two cylinders.
  • control method further includes a first drum drying operation time parameter m and n, m and n are set values, and m>n, when t5>m or T6-t5 ⁇ n, then The second roller waits for the first roller to complete the drying operation before performing the drying operation;
  • m is 60 minutes and n is 40 minutes.
  • the drying process of the second roller is performed.
  • the background of the control process of this embodiment is opposite to that of Embodiment 1, that is, the drying process of the first roller at this time has been carried out for a considerable period of time, at which time the drying temperature in the first roller is high, and is in the dry clothes. The most efficient time, if you switch the clothes dryer at this time, it will greatly waste heat and drying time.
  • the second roller waits for the first roller to finish drying, and then performs the drying operation.
  • This also embodies the flexibility and convenience of the control method of the present invention compared to the conventional control method.
  • the control method includes a first drum drying time determination reference value T', T' is a set value, and the dryer performs a corresponding drying operation judgment according to the magnitude relationship of T6 and T'.
  • T6 ⁇ T' the drying operation of the first roller is preferentially performed, and then the drying operation of the second roller is performed;
  • T' is 40 minutes.
  • the control method of this embodiment further includes a first drum remaining time determination parameter w, w being a set value, when t5 ⁇ T6-t5, when T6-t5-t5>w: if w>T7, suspending the first Drying operation of the drum, preferentially running the drying operation of the second drum; otherwise, preferentially operating the drying operation of the first drum;
  • w is 30 minutes.
  • T' is 40 minutes and w is 30 minutes. If the total drying time T6 of the first drum is less than 40 minutes, regardless of how long the total drying time of the second drum is, the drying process of the first drum is preferentially operated, and then the drying process of the second drum is operated. That is to say, the drying process of the first roller itself at this time is all completed relatively short, so even if the second roller waits for the first roller to complete the drying process, the time waiting for the second roller is It is not very long, and there is no need to perform a drying program to switch between different rollers, but the second roller is waited for the first roller to perform the drying operation.
  • drying time t5 of the first drum is greater than the remaining time of drying, the drying process of the first drum is preferentially operated.
  • drying time t5 of the first drum is less than or equal to the remaining time of drying, further judgment is required.
  • the remaining time of drying-drying running time>w is 30 minutes, and the total drying time T7 of the second drum is less than 30 minutes, then the drying of the first drum is suspended, and the drying of the second drum is preferentially operated; If the total drying time of the two rollers is greater than w or 30 minutes, the drying process of the first roller is preferentially performed.
  • the embodiment fully considers the relationship between the completed drying time of the drum and the remaining drying time, and the time required for the dry drying of the other drum, satisfies the time of reducing the waiting time of the idle drum, and promotes the respective rollers.
  • the transfer efficiency reduces the time required for the entire drying process.
  • the control method includes a first drum priority parameter u, u is a set value and T6>u, when t5>u: when T7 ⁇ u, suspending the drying operation of the first drum, priority is performed. Drying operation of the second roller; otherwise, preferentially drying the first roller;
  • the first drum priority parameter u is 40 minutes.
  • the priority parameter u is 40 minutes
  • the total drying time of the first roller is greater than 40 minutes
  • the drying time t5 of the first roller is greater than 40 minutes
  • only when the total drying time of the second roller is T7
  • the drying of the first roller is suspended, and the drying of the second roller is prioritized, otherwise the drying of the first roller is prioritized, and the second roller is in the waiting mode.
  • This mode of operation is similar to that of Embodiment 2, and the balance between heat loss and waiting time is fully considered, and the overall drying efficiency of the dryer is improved.
  • the drying of the first roller is suspended only when the total drying time T7 of the second roller is less than 40 minutes, and the total drying time exceeds two hours.
  • the drying of the two rollers otherwise the drying of the first roller is prioritized, and the second roller is in the waiting mode.
  • This embodiment discloses a control method of a laundry treating apparatus.
  • the control method further includes: when the first roller performs the drying operation, the second roller waits for the first roller to perform the drying operation before starting the drying operation.
  • the first drum and the second drum use the same drying system.
  • the system will dry the second washing cylinder.
  • the garment requests that you temporarily suspend, wait for the first washing tub to perform the entire drying process, and then resume the drying request of the second washing tub, and start the drying process of the second washing tub.
  • Such a setting is suitable for a scene in which the clock or other timing device cannot be set in the dryer.
  • the dryer relies on the sequential timing of the drying operation to realize the arrangement of the different washing cylinder drying operations, thereby avoiding the conflict of the drying program.
  • Embodiments 9 to 14 are a supplement to the above-described Embodiments 9 to 14.
  • the other roller waiting for the drying operation is executed to perform the clothes shaking process.
  • the waiting drum is subjected to a shaking operation at intervals, so that the clothes waiting for the clothes drying drum can be shaken in time, the wrinkles are minimized, the clothes after drying are smoothed, and the user experience is improved.
  • the clothes in a loose state can fully contact the dry hot air in the dryer, which is favorable for the flow of the moist hot air in the clothes, improves the efficiency of the clothes, and reduces the overall required for the clothes. time.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

L'invention concerne un appareil de traitement de linge et son procédé de commande. L'appareil de traitement de linge comprend un dispositif de lavage et un dispositif de séchage. Le dispositif de lavage comprend un chauffe-eau utilisé servant à chauffer l'eau de lavage. Le dispositif de séchage comprend un système de pompe à chaleur servant à chauffer l'air de séchage et un dispositif de chauffage auxiliaire. Lorsqu'une procédure de chauffage d'eau de lavage et une procédure de séchage doivent être effectuées simultanément, l'appareil de traitement de linge commande la marche et l'arrêt du chauffe-eau, du système de pompe à chaleur et du dispositif de chauffage auxiliaire, et/ou règle la puissance de façon à répondre aux exigences de puissance globales de l'appareil de traitement de linge. L'utilisation de la solution technique de la présente invention permet à un utilisateur d'émettre différentes instructions de chauffage simultanément ou d'émettre une nouvelle instruction de chauffage à n'importe quel moment, de sorte que l'appareil de traitement de linge puisse commander automatiquement l'exécution des instructions de commande de chauffage émises par l'utilisateur. Par conséquent, le fonctionnement sûr de l'appareil de traitement de linge à l'intérieur d'une puissance nominale est assuré, et la sécurité de l'utilisateur est assurée.
PCT/CN2019/074174 2018-02-09 2019-01-31 Appareil de traitement de linge et son procédé de commande WO2019154266A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201810135396.9A CN110130043B (zh) 2018-02-09 2018-02-09 一种衣物处理设备及其控制方法
CN201810136190.8 2018-02-09
CN201810135397.3A CN110130044A (zh) 2018-02-09 2018-02-09 一种衣物处理设备及其控制方法
CN201810136190.8A CN110130076B (zh) 2018-02-09 2018-02-09 一种洗干衣机的控制方法
CN201810135397.3 2018-02-09
CN201810135396.9 2018-02-09

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