CN111593530A - Control method of washing machine and washing machine - Google Patents

Control method of washing machine and washing machine Download PDF

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Publication number
CN111593530A
CN111593530A CN201910127393.5A CN201910127393A CN111593530A CN 111593530 A CN111593530 A CN 111593530A CN 201910127393 A CN201910127393 A CN 201910127393A CN 111593530 A CN111593530 A CN 111593530A
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CN
China
Prior art keywords
washing machine
air pressure
temperature
preset
inner barrel
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
CN201910127393.5A
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Chinese (zh)
Inventor
范立超
孙思成
徐鹏飞
吉佳文
王明
杨丽梅
张跃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Co Ltd
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Publication date
Application filed by Qingdao Haier Washing Machine Co Ltd, Qingdao Haier Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN201910127393.5A priority Critical patent/CN111593530A/en
Publication of CN111593530A publication Critical patent/CN111593530A/en
Withdrawn legal-status Critical Current

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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

The invention relates to the technical field of washing machines, and discloses a control method of a washing machine and the washing machine, wherein the washing machine is provided with a temperature measuring device for detecting the water temperature in an inner barrel of the washing machine, and an air pressure detecting device for detecting the air pressure in the inner barrel of the washing machine, and the control method of the washing machine comprises the following steps: the water in the inner barrel of the washing machine is heated, the water temperature in the inner barrel is detected, and when the water temperature in the inner barrel detected by the temperature measuring device reaches the preset scalding temperature and/or the air pressure variation in the inner barrel in the preset unit time reaches the preset air pressure variation, the current temperature of the washing machine reaches the target heating temperature. The heating process of the washing machine is protected through double protection, the risk of dry burning caused by the fact that the target heating temperature cannot be reached for a long time in a high-altitude area is prevented, and sterilization and disinfection of the clothes are achieved. The washing machine disclosed by the invention realizes sterilization and disinfection of clothes and avoids the risk of dry burning.

Description

Control method of washing machine and washing machine
Technical Field
The invention relates to the technical field of washing machines, in particular to a control method of a washing machine and the washing machine.
Background
At present, with the increasing demands of consumers for laundry sterilization and disinfection, a trend is also being made for washing machines with heating and ironing. The existing washing machine only depends on the temperature measuring device to detect the water temperature of the inner barrel of the washing machine, because the boiling points of the washing machine are different in different regions, if the water temperature of the inner barrel of the washing machine is detected only through the temperature measuring device in a high altitude region, when the preset temperature is higher than the boiling point temperature, the washing machine can be heated all the time because the detected water temperature does not reach the preset temperature, and the risk of dry burning is easy to occur. For the stability and the safety of the whole machine, some scalding procedures can not set the temperature too high, if the preset temperature is lower than the boiling point temperature, the clothes can not be scalded by steam, and further the clothes can not be sterilized and disinfected. Therefore, it is highly desirable to design a control method for a washing machine, which can not only sterilize and disinfect the clothes, but also prevent the risk of dry burning of the washing machine.
Disclosure of Invention
The invention aims to provide a control method of a washing machine and the washing machine, which can sterilize and disinfect clothes and prevent the risk of dry burning of the washing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a control method of a washing machine, wherein the washing machine is provided with a temperature measuring device for detecting the water temperature in an inner barrel of the washing machine, and an air pressure detecting device for detecting the air pressure in the inner barrel of the washing machine, and the control method of the washing machine comprises the following steps:
heating water in an inner barrel of the washing machine, detecting water temperature and air pressure in the inner barrel, and when the water temperature in the inner barrel detected by the temperature measuring device reaches a preset scalding temperature and/or the air pressure variation in the inner barrel within a preset unit time reaches a preset air pressure variation, enabling the current temperature of the washing machine to reach a target heating temperature.
According to the control method of the washing machine, water in the inner barrel of the washing machine is heated, when the temperature measuring device detects that the water temperature in the inner barrel reaches the preset scalding temperature and/or the air pressure variation in the inner barrel reaches the preset air pressure variation in the preset unit time, the current temperature of the washing machine reaches the target heating temperature, the heating process of the washing machine can be protected through double protection, the risk of dry burning caused by the fact that the target heating temperature cannot be reached for a long time in a high altitude area is prevented, and the purpose of sterilizing and disinfecting clothes is achieved.
As a preferable scheme of the control method of the washing machine, the preset scalding temperature T is within the range of 90 ℃ to 100 ℃. The temperature range can not only ensure the purpose of steam hot washing of the washing machine, but also avoid dry burning of the washing machine.
As a preferable mode of the control method of the above washing machine, the preset scalding temperature T is 95 ℃.
As a preferable scheme of the control method of the washing machine, after the washing machine reaches the target heating temperature, the water in the inner drum is continuously heated for a preset time period, and then heating is stopped. When the washing machine reaches the target heating temperature, the water in the inner barrel is continuously heated for a preset time period, and then the heating is stopped, so that the clothes can be better scalded by steam.
As a preferable mode of the control method of the above washing machine, when the washing machine reaches the target heating temperature, heating is stopped.
As a preferable embodiment of the control method of the washing machine, the air pressure detecting device is electrically connected to a control device of the washing machine, the air pressure detecting device transmits and stores the detected air pressure signal in the inner cylinder to the control device, and the control device determines whether the air pressure variation in the inner cylinder reaches a preset air pressure variation within a preset unit time.
The invention also provides a washing machine which is characterized by being controlled by adopting the control method of the washing machine, wherein a temperature measuring device is arranged in the inner cylinder of the washing machine, an air pressure detecting device communicated with the inner cylinder of the washing machine is arranged on the washing machine, and the temperature measuring device and the air pressure detecting device are both electrically connected with the control device of the washing machine. The washing machine protects the heating process through the temperature measuring device and the air pressure detecting device, so that the clothes can be ironed by steam, and the phenomenon of dry burning of the washing machine can be avoided.
As a preferable mode of the washing machine, the air pressure detecting device is an air pressure sensor, and the air pressure sensor is disposed at an opening of the inner tub. Through setting up air pressure sensor at the opening part of inner tube, can be convenient for detect the atmospheric pressure in the inner tube.
In a preferred embodiment of the above washing machine, the air pressure sensor is disposed on an inner wall of a cover of the washing machine and communicates with an opening of the inner tub. The setting is convenient for the installation and fixation of the air pressure sensor.
As a preferable embodiment of the above washing machine, the air pressure detecting device is communicated with the inner tub through a pipeline. The air pressure detection device is communicated with the inner barrel through a pipeline and can detect the air pressure in the inner barrel through the transmission of the pipeline.
The invention has the beneficial effects that:
according to the control method of the washing machine, water in the inner barrel of the washing machine is heated, when the temperature measuring device detects that the water temperature in the inner barrel reaches the preset scalding temperature and/or the air pressure variation in the inner barrel reaches the preset air pressure variation in the preset unit time, the current temperature of the washing machine reaches the target heating temperature, the heating process of the washing machine can be protected through double protection, the risk of dry burning caused by the fact that the target heating temperature cannot be reached for a long time in a high altitude area is prevented, and the purpose of sterilizing and disinfecting clothes is achieved.
According to the washing machine provided by the invention, the temperature measuring device is arranged in the inner barrel of the washing machine, the air pressure detecting device communicated with the inner barrel is arranged on the washing machine, and the heating process is protected by the temperature measuring device and the air pressure detecting device, so that the clothes can be scalded by steam, and the phenomenon of dry burning of the washing machine can be avoided.
Drawings
Fig. 1 is a flowchart providing a control method of a washing machine according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a washing machine according to a second embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The first implementation mode comprises the following steps:
the washing machine realizes sterilization and disinfection of clothes by heating water in the inner barrel to a certain temperature, and the temperature of the water detected by the temperature measuring device is usually lower than the preset temperature if the preset temperature is too high in high-altitude areas due to different boiling points in different areas, so that the water in the washing machine is heated all the time due to the fact that the water cannot reach the preset temperature, and the dry burning condition is easy to occur; if the preset temperature is too low, so that the boiling point is higher than the target temperature, the water in the washing machine cannot reach the boiling point, and the sterilization and disinfection effects of the clothes cannot be optimized. Therefore, in view of the above problems, the present embodiment provides a control method for a washing machine, in which a temperature measuring device is provided on the washing machine for detecting a water temperature in an inner tub of the washing machine, and an air pressure detecting device is further provided on the washing machine for detecting an air pressure in the inner tub of the washing machine, as shown in fig. 1, the control method for the washing machine includes the steps of:
and S11, heating the water in the inner drum of the washing machine, and detecting the water temperature and the air pressure in the inner drum.
And S12, when the water temperature in the inner barrel detected by the temperature measuring device reaches the preset scalding temperature and/or the air pressure variation in the inner barrel in the preset unit time reaches the preset air pressure variation, the current temperature of the washing machine reaches the target heating temperature.
When the water temperature in the inner drum reaches the preset scalding temperature, the clothes can be scalded; when the air pressure detection device is in the preset unit time, the air pressure variation in the inner barrel reaches the preset air pressure variation, and the clothes can be scalded and washed.
Specifically, a large amount of steam can be generated when the water in the inner barrel boils, at the moment, the air pressure variation in the inner barrel can be obviously changed in the preset unit time, and whether the water in the inner barrel boils can be detected by detecting whether the air pressure variation in the inner barrel reaches the preset air pressure variation in the preset unit time. Therefore, as long as the water temperature in the inner cylinder detected by the temperature measuring device reaches the preset scalding temperature, or whether the variation of the air pressure detected by the air pressure detecting device in the preset unit time reaches the preset air pressure variation, or the water temperature in the inner cylinder detected by the temperature measuring device reaches the preset scalding temperature, and meanwhile, when the variation of the air pressure detected by the air pressure detecting device in the preset unit time reaches the preset air pressure variation, the current temperature of the washing machine reaches the target heating temperature.
According to the control method of the washing machine, water in the inner barrel of the washing machine is heated, when the temperature measuring device detects that the water temperature in the inner barrel reaches the preset scalding temperature and/or the air pressure variation in the inner barrel reaches the preset air pressure variation in the preset unit time, the current temperature of the washing machine reaches the target heating temperature, the heating process of the washing machine can be protected through double protection, the risk of dry burning caused by the fact that the target heating temperature cannot be reached for a long time in a high altitude area is prevented, and the purposes of sterilizing and disinfecting clothes are achieved.
The second embodiment:
the present embodiment provides a control method for a washing machine, which is a further improvement of the first embodiment, and in the present embodiment, a temperature measuring device and an air pressure detecting device are provided in the washing machine. As shown in fig. 2, the control method of the washing machine includes the steps of:
and S21, heating the water in the inner drum of the washing machine, and detecting the water temperature and the air pressure in the inner drum.
S22, judging whether the water temperature in the inner barrel detected by the temperature measuring device reaches the preset scalding temperature and/or the air pressure variation in the inner barrel in the preset unit time reaches the preset air pressure variation.
In the embodiment, the preset scalding temperature T is in the range of 90 ℃ to 100 ℃, for example; the preset scalding temperature T may be 90 deg.C, 92 deg.C, 95 deg.C, 97 deg.C, 100 deg.C, etc. In general, when the temperature of water in the inner drum is higher than 80 ℃, the clothes can be hot-washed, and then the clothes can be sterilized and disinfected. The preset scalding temperature T meets the temperature range that T is more than or equal to 90 ℃ and less than or equal to 100 ℃, and the clothes can be effectively sterilized and disinfected. Preferably, the preset scalding temperature T is 95 ℃, which can ensure a good effect of steam scalding the laundry.
The air pressure detection device is electrically connected with a control device of the washing machine, the air pressure detection device transmits the detected air pressure signal in the inner barrel to the control device and stores the air pressure signal, and the control device judges whether the air pressure variation in the inner barrel reaches the preset air pressure variation within the preset unit time, so that whether water in the inner barrel is boiled or not is detected, and the washing machine is prevented from being dried.
And S23, if yes, the current temperature of the washing machine reaches the target heating temperature, and the water in the inner barrel is continuously heated.
If not, the washing machine continuously judges whether the current temperature of the washing machine reaches the target heating temperature.
When the preset scalding temperature of the washing machine is higher than the boiling point of water in the area where the washing machine is located, when the heating temperature of the washing machine reaches the boiling point temperature, the water in the inner barrel boils to generate a large amount of steam, the air pressure of the inner barrel is increased instantly, and the air pressure detection device detects that the air pressure variation in the inner barrel reaches the preset air pressure variation within the preset unit time, wherein the temperature is the heating target temperature.
When the preset scalding temperature of the washing machine is lower than the boiling point of water in the area where the washing machine is located and the heating temperature of the washing machine reaches the preset scalding temperature, the temperature measuring device detects that the temperature in the inner barrel reaches the preset scalding temperature, and the temperature is the heating target temperature.
When the preset scalding temperature of the washing machine is equal to the boiling point temperature of the area where the washing machine is located, the heating temperature of the washing machine is equal to the preset scalding temperature, the temperature measuring device detects that the temperature in the inner barrel reaches the preset scalding temperature, meanwhile, the air pressure sensor firstly detects that the air pressure variation in the inner barrel reaches the preset air pressure variation in the preset unit time, and the temperature is the heating target temperature.
And S24, judging whether the heating time period reaches a preset heating time period.
And S25, if yes, the washing machine stops heating the water in the inner barrel.
If not, the washing machine continues to heat the water in the inner barrel.
When the washing machine reaches the target heating temperature, the water in the inner barrel is continuously heated, so that the water in the inner barrel is evaporated to generate a large amount of steam, and the clothes are steamed. And (4) continuously heating the water in the inner barrel for a preset time period, and then stopping heating. Specifically, after the washing machine reaches the target heating temperature, the preset time period for continuing heating may be 2min, 5min, 7min, or 10min, and the specific preset time period for continuing heating may be set according to requirements.
The water in the inner barrel can be immediately stopped being heated when the washing machine reaches the target heating temperature, and the water is heated for a period of time due to the fact that the water is heated to the target heating temperature, and a certain sterilization effect is achieved.
The third embodiment is as follows:
the invention also provides a washing machine which is controlled by adopting the control method of the washing machine in the first embodiment or the second embodiment, the temperature measuring device is arranged in the inner cylinder of the washing machine, the air pressure detecting device communicated with the inner cylinder of the washing machine is arranged on the washing machine, and the temperature measuring device and the air pressure detecting device are both electrically connected with the control device of the washing machine. The washing machine protects the heating process through the temperature measuring device and the air pressure detecting device, so that the clothes can be ironed by steam, and the phenomenon of dry burning of the washing machine can be avoided.
In the present embodiment, the temperature measuring device is a temperature sensor, and the air pressure detecting device is an air pressure sensor. The air pressure sensor is arranged at the opening of the inner cylinder. Through setting up air pressure sensor at the opening part of inner tube, can be convenient for detect the atmospheric pressure in the inner tube. The air pressure sensor is arranged on the inner wall of the cover body of the washing machine and communicated with the opening of the inner barrel. The setting is convenient for the installation and fixation of the air pressure sensor.
The washing machine can be a pulsator washing machine or a roller washing machine, when the washing machine is a pulsator washing machine, the air pressure sensor is arranged on the inner wall of the outer barrel cover, and the air pressure sensor is arranged on the inner wall of the outer barrel cover due to the fact that steam in the inner barrel flows upwards, and detection of air pressure in the inner barrel is easy to achieve. When the washing machine is a drum washing machine, the air pressure sensor is arranged on the upper part of the inner wall of the door body, and the detection of air pressure is easy to realize due to the upward flowing of hot steam.
The air pressure detection device can also be communicated with the inner cylinder through a pipeline. The air pressure detection device is communicated with the inner barrel through a pipeline and can detect the air pressure of steam in the inner barrel through transmission of the pipeline. The position of the air pressure detecting device may be set according to the requirement, and is not particularly limited herein.
Note that the above is only a preferred embodiment of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A control method of a washing machine is characterized in that an air pressure detection device is further arranged on the washing machine and used for detecting air pressure in an inner barrel of the washing machine, and the control method of the washing machine comprises the following steps:
heating water in an inner barrel of the washing machine, detecting water temperature and air pressure in the inner barrel, and when the water temperature in the inner barrel detected by the temperature measuring device reaches a preset scalding temperature and/or the air pressure variation in the inner barrel within a preset unit time reaches a preset air pressure variation, enabling the current temperature of the washing machine to reach a target heating temperature.
2. The control method of a washing machine as claimed in claim 1, wherein the preset scalding temperature T is in a range of 90 ° to T100 ℃.
3. The control method of a washing machine according to claim 2, wherein the preset scalding temperature T is 95 ℃.
4. The control method of a washing machine as claimed in any one of claims 1 to 3, wherein the heating is stopped after the water in the inner tub is continuously heated for a preset time period after the washing machine reaches the target heating temperature.
5. A control method of a washing machine according to any one of claims 1-3, characterized in that heating is stopped when the washing machine reaches the target heating temperature.
6. A control method of a washing machine according to any one of claims 1 to 3, wherein the air pressure detecting means is electrically connected to a control unit of the washing machine, the air pressure detecting means transmits and stores the detected air pressure signal in the inner tub to the control unit, and the control unit determines whether the amount of change in the air pressure in the inner tub reaches a preset amount of change in the air pressure within a preset unit time.
7. A washing machine is characterized by being controlled by the control method of the washing machine as claimed in any one of claims 1 to 6, a temperature measuring device is arranged in an inner cylinder of the washing machine, an air pressure detecting device communicated with the inner cylinder of the washing machine is arranged on the washing machine, and the temperature measuring device and the air pressure detecting device are both electrically connected with the control device of the washing machine.
8. The washing machine as claimed in claim 7, wherein the air pressure detecting device is provided at an opening of the inner tub.
9. The washing machine as claimed in claim 7, wherein the air pressure detecting device is provided at an inner wall of a cover of the washing machine and communicates with the opening of the inner tub.
10. The washing machine as claimed in claim 7, wherein the air pressure detecting device communicates with the inner tub through a pipe.
CN201910127393.5A 2019-02-20 2019-02-20 Control method of washing machine and washing machine Withdrawn CN111593530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910127393.5A CN111593530A (en) 2019-02-20 2019-02-20 Control method of washing machine and washing machine

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Application Number Priority Date Filing Date Title
CN201910127393.5A CN111593530A (en) 2019-02-20 2019-02-20 Control method of washing machine and washing machine

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CN111593530A true CN111593530A (en) 2020-08-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038672A2 (en) * 1980-04-16 1981-10-28 Servis Domestic Appliances Limited Improvements relating to control circuits in or for washing and the like machines or other apparatus
CN1030846C (en) * 1991-10-21 1996-01-31 三星电子株式会社 A washing method of a boiling clothes washing machine
CN101086111A (en) * 2006-06-06 2007-12-12 南京乐金熊猫电器有限公司 Barrel washing machine
CN106968080A (en) * 2016-01-14 2017-07-21 青岛海尔滚筒洗衣机有限公司 A kind of method that clothes washing is carried out using steam
CN108784322A (en) * 2017-05-04 2018-11-13 佛山市顺德区美的电热电器制造有限公司 A kind of control method and equipment
CN109252322A (en) * 2017-07-14 2019-01-22 青岛海尔滚筒洗衣机有限公司 Control method, control device and the washing machine of washing machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038672A2 (en) * 1980-04-16 1981-10-28 Servis Domestic Appliances Limited Improvements relating to control circuits in or for washing and the like machines or other apparatus
CN1030846C (en) * 1991-10-21 1996-01-31 三星电子株式会社 A washing method of a boiling clothes washing machine
CN101086111A (en) * 2006-06-06 2007-12-12 南京乐金熊猫电器有限公司 Barrel washing machine
CN106968080A (en) * 2016-01-14 2017-07-21 青岛海尔滚筒洗衣机有限公司 A kind of method that clothes washing is carried out using steam
CN108784322A (en) * 2017-05-04 2018-11-13 佛山市顺德区美的电热电器制造有限公司 A kind of control method and equipment
CN109252322A (en) * 2017-07-14 2019-01-22 青岛海尔滚筒洗衣机有限公司 Control method, control device and the washing machine of washing machine

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Application publication date: 20200828