CN112210945A - A washing machine and its control method - Google Patents
A washing machine and its control method Download PDFInfo
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- CN112210945A CN112210945A CN201910623514.5A CN201910623514A CN112210945A CN 112210945 A CN112210945 A CN 112210945A CN 201910623514 A CN201910623514 A CN 201910623514A CN 112210945 A CN112210945 A CN 112210945A
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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
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a vertical 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/04—Heating arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
本发明提供了一种洗衣机及其控制方法，洗衣机包括：内桶；加热装置，所述内桶的底部具有受热部，所述的加热装置采用非接触式加热方式加热所述受热部和内桶法兰，设置在内桶的底部且避让所述的受热部。本发明的洗衣机针对洗涤水的加热由传统的电加热丝直接加热的方式改为非接触式加热的方式，可适用于有孔内桶和无孔内桶的洗衣机上，实现洗涤水加热功能。
The invention provides a washing machine and a control method thereof. The washing machine comprises: an inner tub; a heating device, wherein the bottom of the inner tub has a heating part, and the heating device uses a non-contact heating method to heat the heating part and the inner tub flange, It is arranged at the bottom of the inner tub and avoids the heat receiving part. The washing machine of the present invention changes the direct heating method of the traditional electric heating wire to the non-contact heating method for heating the washing water, and can be applied to the washing machine with a perforated inner barrel and a non-porous inner barrel to realize the washing water heating function.
Description
Technical Field
The invention relates to the technical field of laundry equipment, in particular to a washing machine and a control method thereof.
Background
The washing machine is used as a household appliance which is widely used in daily life of people, helps people get rid of the trouble of washing clothes, and brings great convenience to people. But current washing machine generally all includes interior bucket and outer bucket, distributes a plurality of dehydration holes on the bucket wall of interior bucket, and in the washing process, the washing water between interior bucket and the outer bucket can not utilized, causes the waste of this part washing water, and the filth that produces in the washing process can be followed rivers and get into between interior bucket and the outer bucket and be accumulated, along with long-time use, the accumulation of filth can influence the washing effect, reduces user's use and experiences.
In order to solve the above problems, some patents are also proposed, such as patent No. 201410215346.3, entitled chinese invention patent of a drum washing machine, and the invention relates to a drum washing machine, which comprises a box body, an inner cylinder and an outer cylinder are arranged in the box body, a door seal is arranged between the outer cylinder and the box body, the inner cylinder is connected with a driving device, the inner cylinder is a non-porous inner cylinder, the inner cylinder is a conical cylinder with a small diameter at the cylinder bottom and a large diameter at the cylinder opening, the cylinder opening of the inner cylinder is inwards folded in an arc shape, a water inlet conduit is arranged on the door seal, one end of the water inlet conduit is connected with a washing water rapid heating device, the other end of the water inlet conduit penetrates through the door seal and extends into the inner cylinder, and a water outlet and a water pressure detection. According to the technical scheme, the inner cylinder is a non-porous inner cylinder, water is fed into the inner cylinder through the water inlet guide pipe arranged on the door seal, and water is drained in the dehydration process through the shape of the inner cylinder, so that water can be prevented from being stored between the inner cylinder and the outer cylinder, and the water consumption for washing is greatly saved.
The invention provides a drum washing machine with a non-porous inner barrel, which solves the problems of water storage waste between the inner barrel and the outer barrel and dirt accumulation between the inner barrel and the outer barrel, but functional elements required to be arranged on an outer barrel of the traditional washing machine cannot be arranged, so that the functionality of the non-porous inner barrel washing machine is reduced. For example, most of the existing washing machines realize the washing effect by heating the washing water through arranging the heating pipe in the outer barrel, but the washing machine with the non-porous inner barrel cannot arrange the heating pipe on the outer barrel any more, so that the heating washing cannot be realized any more. The heating washing is very important for improving the washing effect, and is increasingly used by the majority of users.
In view of the above, the invention is provided for how to realize the heating and washing functions of the washing machine with the non-porous inner barrel.
Disclosure of Invention
The first invention of the present invention is to provide a washing machine using a new heating method, specifically, the following technical solution is adopted:
a washing machine comprising:
an inner barrel;
the heating device is provided with a heated part at the bottom of the inner barrel and heats the heated part in a non-contact heating mode
And an inner barrel flange which is arranged at the bottom of the inner barrel and avoids the heated part.
Furthermore, the heating device is an electromagnetic heating device, the inner barrel comprises an inner barrel body and an inner barrel bottom arranged at one end of the inner barrel body, and the inner barrel bottom is provided with a heating part containing iron; the inner barrel flange is made of metal materials, is arranged on the inner barrel bottom and at least partially avoids the iron-containing heating part; the electromagnetic heating device adopts an electromagnetic heating mode to heat the iron-containing heating part.
Furthermore, the electromagnetic heating device comprises an electromagnetic heating coil, the bottom of the inner barrel comprises an inner barrel bottom wall and an inner barrel bottom side wall, the inner barrel body is fixedly connected with the inner barrel bottom side wall, and the inner barrel flange is arranged on the inner barrel bottom wall; a
The inner barrel bottom wall and the inner barrel bottom side wall are both made of iron-containing metal materials in an integrated forming mode, and the inner barrel bottom wall is provided with a covered area covered by an inner barrel flange and an uncovered area uncovered by the inner barrel flange;
the electromagnetic heating coil is arranged opposite to the uncovered area of the bottom wall of the inner barrel.
Furthermore, the outer contour of the inner barrel flange is positioned inside the outer contour of the bottom wall of the inner barrel bottom, and an uncovered area is formed between the outer contour edge of the bottom wall of the inner barrel bottom and the outer contour edge of the inner barrel flange;
preferably, the bottom wall of the inner barrel is of a circular disc-shaped structure, and the flange of the inner barrel is a disc-shaped flange with the periphery not larger than the bottom wall of the inner barrel; the inner barrel flange is fixed on the outer side of the bottom wall of the inner barrel bottom and at least partially contacts with the bottom wall of the inner barrel bottom.
Furthermore, the inner barrel flange is provided with an avoiding hole, and the position of the bottom wall of the inner barrel bottom corresponding to the avoiding hole is an uncovered area;
preferably, the inner barrel flange is provided with a plurality of avoiding holes, and the plurality of avoiding holes are positioned on the same circumference.
Furthermore, the electromagnetic heating device also comprises an outer barrel coaxially arranged outside the inner barrel, and the electromagnetic heating coil is arranged at the bottom of the outer barrel and is opposite to the uncovered area of the bottom wall of the bottom of the inner barrel;
preferably, a dewatering hole is arranged on the peripheral wall of the inner barrel body at a position higher than the highest water level of the washing machine, the peripheral wall between the dewatering hole and the bottom of the inner barrel body is of a closed structure, the bottom wall of the bottom of the inner barrel body and the side wall of the bottom of the inner barrel body are of closed structures, and washing water can be independently contained in the inner barrel body during washing;
or the inner barrel body, the inner barrel bottom and the inner barrel flange are all provided with water permeable holes.
Furthermore, the electromagnetic heating coil comprises a high-frequency resonance coil and a fixing frame, the high-frequency resonance coil is fixed on the fixing frame, and the fixing frame is fixed at the bottom of the outer barrel;
preferably, the high frequency resonance coil comprises a plurality of coils which are evenly distributed along the circumferential direction of the bottom of the outer barrel.
Further, the inner barrel is provided with an inner barrel bottom and an inner barrel flange which are made of ferrous metal materials:
the heating device is a light wave heating device which comprises a light wave tube, and the light wave tube is arranged opposite to an area avoided by an inner barrel flange on the inner barrel bottom;
or the heating device is a far infrared heating device which comprises a far infrared radiation heating pipe, and the far infrared radiation heating pipe is arranged opposite to the area, avoided by the inner barrel flange, on the inner barrel bottom.
The second invention of the present invention is to provide the control method of the above washing machine, specifically, the following technical solutions are adopted:
a control method of the washing machine, comprising:
the washing machine is fed with water, and a heating device is controlled to start and heats the heated part of the inner barrel flange in a non-contact heating mode; and when the temperature is heated to the set temperature, controlling the heating device to be closed.
Further, the washing machine controls the inner barrel to rotate in the heating process of the heating device;
preferably, the washing machine controls the inner tub to rotate in one direction or in both directions during the heating process of the heating device;
further preferably, the washing machine controls the inner tub to rotate at intervals of time T0 during the heating process of the heating device, or to rotate continuously.
The washing machine is provided with the heating device, the heated part on the bottom of the inner barrel is heated by adopting a non-contact heating mode, and the heated part is heated by the heating device to transfer heat to washing water in the inner barrel, so that the heating of the washing water is realized.
The washing machine of the invention changes the traditional mode of directly heating by the electric heating wire into a non-contact heating mode aiming at the heating of the washing water, and can be applied to the washing machines with a porous inner barrel and a nonporous inner barrel to realize the heating function of the washing water.
The electromagnetic heating device is used for heating the washing water in the inner barrel, the electromagnetic heating device is used for heating the bottom of the inner barrel, the flange of the inner barrel of the existing washing machine is mostly arranged on the outer side of the bottom of the inner barrel, and in order to avoid the flange of the inner barrel from blocking the heating device from acting on the bottom of the inner barrel, the flange of the inner barrel is arranged at the bottom of the inner barrel 1 and avoids the heated part.
The pulsator washing machine of the invention heats washing water by using the electromagnetic heating device, and has higher heating efficiency.
In addition, because the electromagnetic heating is a non-contact heating mode, the installation requirement of the electromagnetic heating device is lower, and the installation of the electromagnetic heating device is not required to consider the sealing performance in the traditional electric heating wire heating mode, so that the installation of the washing machine adopting the electromagnetic heating device is more simplified. In addition, in order to install the electric heating wire, the installation position and the installation structure of the electric heating wire are required to be specially designed in the outer barrel, and the electromagnetic heating device can be directly installed on the outer wall of the outer barrel and even installed in the shell, so that the structure of the outer barrel is simplified, the volume of the inner barrel can be expanded to a certain extent, and the capacity expansion is realized.
Moreover, the resistance wire heating mode that current washing machine adopted, the resistance wire submergence directly heats in water, because the quality of water environment is comparatively complicated, along with the increase of time, deposit incrustation scale on the resistance wire, and because the reason of mounted position is difficult for cleaning to cause heating efficiency to reduce gradually, damage even. The electromagnetic heating device is adopted to realize non-contact heating, so that the problems can be avoided, the service life is greatly prolonged, and long-term high-efficiency heating can be kept.
In conclusion, the pulsator washing machine disclosed by the invention adopts the electromagnetic heating device to realize the heating function, so that the heating efficiency is improved, the installation of the heating device is simplified, the structure of the outer barrel is simplified, and the service life of the heating device is prolonged.
Drawings
Fig. 1 is a schematic structural view of a washing machine according to an embodiment of the present invention.
Detailed Description
A washing machine and a control method thereof of the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment provides a washing machine including:
an inner barrel 1;
a heating device 5, wherein the bottom of the inner barrel is provided with a heated part, and the heated part is heated by the heating device in a non-contact heating mode
And an inner barrel flange 4 which is arranged at the bottom of the inner barrel 1 and avoids the heated part.
The washing machine of the present embodiment has a heating device 5, and heats the heated part on the bottom of the inner tub by using a non-contact heating method, and the heated part is heated by the heating device 5 to transfer heat to the washing water in the inner tub 1, thereby heating the washing water.
Preferably, the central axis of the inner tub of the washing machine of the present embodiment is vertically arranged, and in essence, a pulsator washing machine is provided, in which a pulsator 14 is disposed, and the pulsator 14 may be an independent pulsator member installed at the bottom of the inner tub, or may be integrally formed with the bottom of the inner tub.
The washing machine of the embodiment changes the traditional mode of directly heating by the electric heating wire into the non-contact heating mode aiming at the heating of the washing water, and can be applied to the washing machines with the inner barrel with holes and the inner barrel without holes, thereby realizing the function of heating the washing water.
Since the solution of the present embodiment is to heat the washing water in the inner tub 1, the electromagnetic heating device of the present embodiment is applied to the bottom of the inner tub 1, and the inner tub flange 4 of the conventional washing machine is mostly disposed at the outer side of the bottom of the inner tub, and in order to avoid the inner tub flange 4 from obstructing the heating device from being applied to the bottom of the inner tub 1, the present embodiment is applied to the bottom of the inner tub 1 and avoiding the heated portion.
As an implementation manner of this embodiment, the heating device 5 is an electromagnetic heating device, the inner barrel 1 includes an inner barrel body 2 and an inner barrel bottom 3 disposed at one end of the inner barrel body 2, and the inner barrel bottom 3 has a ferrous heat receiver; the inner barrel flange 4 is made of metal materials, is arranged on the inner barrel bottom 3 and at least partially avoids the iron-containing heated part; the electromagnetic heating device adopts an electromagnetic heating mode to heat the iron-containing heating part.
Electromagnetic heating is also called Electromagnetic induction heating (EH) technology, and the principle of Electromagnetic heating is that an alternating magnetic field is generated by an electronic circuit board component, when a ferrous container is placed on the iron-containing container, the surface of the container cuts alternating magnetic lines of force to generate alternating current (eddy current) on a metal part at the bottom of the container, the eddy current enables carriers at the bottom of the container to move randomly at a high speed, and the carriers collide with atoms and rub to generate heat energy. Thereby achieving the effect of heating the article. Since the iron vessel itself generates heat, the heat conversion is particularly high, and up to 95% is a direct heating method. Therefore, the pulsator washing machine of the present embodiment heats the washing water using the electromagnetic heating device, and has a higher heating efficiency.
In addition, because the electromagnetic heating is a non-contact heating mode, the installation requirement of the electromagnetic heating device is lower, and the installation of the electromagnetic heating device is not required to consider the sealing performance in the traditional electric heating wire heating mode, so that the installation of the washing machine adopting the electromagnetic heating device is more simplified. And in order to install the electric heating wire, the installation position and the installation structure of the electric heating wire need to be designed specifically in the outer barrel, the electromagnetic heating device of the embodiment can be directly installed on the outer wall of the outer barrel, even installed in the shell, the structure of the outer barrel is simplified, the volume of the inner barrel can be enlarged to a certain extent, and the capacity expansion is realized.
Moreover, the resistance wire heating mode that current washing machine adopted, the resistance wire submergence directly heats in water, because the quality of water environment is comparatively complicated, along with the increase of time, deposit incrustation scale on the resistance wire, and because the reason of mounted position is difficult for cleaning to cause heating efficiency to reduce gradually, damage even. In the embodiment, the electromagnetic heating device is adopted to realize non-contact heating, so that the problems can be avoided, the service life is greatly prolonged, and long-term high-efficiency heating can be kept.
To sum up, the rotary drum washing machine of this embodiment adopts electromagnetic heating device to realize the heating function, has promoted the efficiency of heating, has simplified heating device's installation, has simplified outer bucket's structure, has prolonged heating device's life.
The ferrous heating part of the embodiment is made of a ferrous material and can cut alternating magnetic lines generated by the electromagnetic heating device to generate alternating current (namely eddy current), the eddy current enables carriers of the ferrous heating part to move randomly at a high speed, and the carriers collide and rub with each other to generate heat energy.
According to the principle of electromagnetic heating, alternating magnetic lines of force generated by the electromagnetic heating device can pass through a non-metal material to heat only the ferrous heating part, and because the inner barrel flange 4 and the inner barrel bottom 3 of the embodiment are both made of metal materials, in order to heat the inner barrel bottom 3 by the electromagnetic heating device, the inner barrel flange 4 of the embodiment is arranged on the inner barrel bottom 3 and at least partially avoids the ferrous heating part, so that the electromagnetic heating coil 6 can act on the inner barrel bottom 3 through the avoiding position to heat.
Furthermore, the electromagnetic heating device comprises an electromagnetic heating coil 6, the inner barrel bottom 3 comprises an inner barrel bottom wall 16 and an inner barrel bottom side wall 17, the inner barrel body 2 is fixedly connected with the inner barrel bottom side wall 17, and the inner barrel flange 4 is arranged on the inner barrel bottom wall 16; the inner barrel bottom wall 16 and the inner barrel bottom side wall 17 are both made of iron-containing metal materials through integral forming, and the inner barrel bottom wall 16 is provided with a covering area A covered by an inner barrel flange 4 and an uncovered area B uncovered by the inner barrel flange; the electromagnetic heating coil 6 is arranged opposite to the uncovered area B of the bottom wall 16 of the inner barrel.
In order to realize that the inner barrel flange 4 is avoided from the inner barrel bottom 3 and forms an uncovered area B which can be heated by the electromagnetic heating coil 6, the embodiment is realized by the following two ways:
in a first mode, the outer contour of the inner barrel flange 4 is positioned inside the outer contour of the inner barrel bottom wall 16, and an uncovered area B is formed between the outer contour edge of the inner barrel bottom wall 16 and the outer contour edge of the inner barrel flange 4.
Preferably, the bottom wall 16 of the inner barrel is a circular disc-shaped structure, and the flange 4 of the inner barrel is a circular disc-shaped flange with the periphery not larger than that of the bottom wall of the inner barrel; the inner barrel flange 4 is fixed on the outer side of the bottom wall 16 of the inner barrel bottom and at least partially contacts with the bottom wall 16 of the inner barrel bottom.
In a second mode, the inner barrel flange 4 is provided with an avoiding hole, and the position of the inner barrel bottom wall 16 corresponding to the avoiding hole is an uncovered area.
Preferably, the inner barrel flange 4 has a plurality of avoiding holes, and the plurality of avoiding holes are located on the same circumference.
The washing machine of the embodiment also comprises an outer barrel 15 coaxially arranged outside the inner barrel 1, and the electromagnetic heating coil 6 is arranged at the bottom of the outer barrel 15 and is opposite to the uncovered area of the bottom wall 16 of the inner barrel. Known by electromagnetic heating's principle, the alternating magnetic line of force that electromagnetic heating device produced can pass through non-metallic material and only heat the iron matter containing device, and current outer bucket 15 generally is mostly plastic drum, consequently, this application sets up electromagnetic heating device's electromagnetic heating coil 6 and realizes sending the alternating magnetic line of force to interior barrel head 3 and heat on outer bucket 15.
In this embodiment, the washing water is heated by the electromagnetic heating device, so that the problem of heating the washing water of the non-porous inner tub washing machine can be solved, specifically, the dewatering holes are arranged on the peripheral wall of the inner tub 2 at the position higher than the highest water level of the washing machine, the peripheral wall between the dewatering holes and the inner tub bottom 3 is of a closed structure, the inner tub bottom wall 16 and the inner tub bottom side wall 17 are of a closed structure, and the washing water can be independently contained in the inner tub during washing.
The electromagnetic heating device of this embodiment is applied to the rotary drum washing machine who has interior bucket of sclausura, because interior bucket 1 holds the washing water as the water-holding bucket, interior bucket 1 still need rotate at the dehydration in-process simultaneously, consequently, considers the problem that interior bucket 1 can't walk the line, can't directly set up heating device in interior bucket 1, adopts electromagnetic heating device can realize the rotary drum washing machine's of interior bucket of sclausura heating function.
Further, the working characteristics of the pulsator washing machine with the inner barrel without holes are aimed at in the embodiment, because the outer barrel 15 mainly plays a role in the drainage process, the embodiment further improves the structure of the washing machine, cancels the outer barrel, specifically, the position of the barrel wall of the inner barrel 1 higher than the highest water level of the washing machine is provided with a dewatering opening, the inner barrel wall between the dewatering opening and the inner barrel bottom 3 is of a closed structure, and the inner part of the inner barrel can independently contain washing water during washing; the washing machine also comprises a water collecting device arranged at the bottom of the inner barrel, and a drainage channel communicated with the dewatering port and the water collecting cavity in the water collecting device is arranged on the barrel wall of the inner barrel; the electromagnetic heating device comprises an electromagnetic heating coil 6, and the electromagnetic heating coil 6 is arranged on the water collecting device.
Preferably, the water collecting device is made of a non-metal material, and the electromagnetic heating coil is arranged on the outer wall of the water collecting device.
The present embodiment adopts the mode that the electromagnetic heating device heats the washing water in the inner barrel of the pulsator washing machine, and can also be used for the existing pulsator washing machine with dewatering holes arranged on the barrel wall of the inner barrel, namely, the inner barrel body, the inner barrel bottom and the inner barrel flange are all provided with water permeable holes.
Specifically, in order to fix the electromagnetic heating device on the outer barrel (or the water collecting device), the electromagnetic heating coil comprises a high-frequency resonance coil and a fixing frame, the high-frequency resonance coil is fixed on the fixing frame, and the fixing frame is fixed at the bottom of the outer barrel. The high-frequency resonance coil of this embodiment is by the copper wire coiling, the mount is made for insulating material.
Preferably, in order to meet the requirement of the heating rate, the high-frequency resonance coil according to the embodiment includes a plurality of coils, and the plurality of coils are uniformly distributed along the circumferential direction of the bottom of the outer tub.
The electromagnetic heating device of the present embodiment further includes a driver 7 electrically connected to the electromagnetic heating coil 6, and the driver 7 may be mounted on a tub wall of the outer tub 15 or may be mounted in the casing 11 of the washing machine.
As an implementation manner of this embodiment, the electromagnetic heating device includes a permanent magnet disposed on a side of the electromagnetic heating coil away from the inner tub flange, and is configured to absorb magnetic induction lines generated by the electromagnetic heating coil, reduce leakage of the magnetic induction lines, and improve heating efficiency.
The main principle of electromagnetic heating of the washing machine of the embodiment is as follows: a heating program is started, and the driver 7 functions to convert the current voltage into direct current through a rectifier so that the direct current becomes high-frequency alternating current exceeding audio frequency, and to output the high-frequency alternating current to the electromagnetic heating coil 6, thereby generating a high-frequency alternating magnetic field; the electromagnetic induction wire penetrates through a part made of a non-metal material and acts on the part made of a metal material, strong eddy current is generated in the metal due to electromagnetic induction, the eddy current overcomes the internal resistance of the inner barrel bottom 3 and completes the conversion of electric energy to heat energy when flowing, the metal is heated, and water of the washing machine is heated through the contact of the metal and the water.
The washing machine of this embodiment further includes a driving motor 12, the driving motor 12 drives the pulsator 14 and the inner tub 1 to rotate respectively after being decelerated by a decelerator having an inner tub shaft connected to the inner tub and a pulsator shaft 13 connected to the pulsator.
The bottom of the housing 11 of the washing machine of the present embodiment has feet 8 for support.
In the present embodiment, the bottom of the outer tub 15 is provided with a water outlet, the water outlet is connected to the water discharge pipe 9, and the water discharge pipe 9 is provided with a water discharge valve (pump) 10.
The embodiment also provides other modes capable of realizing non-contact heating, which are as follows:
in the first scheme, the inner barrel is provided with an inner barrel bottom 3 and an inner barrel flange 4, wherein the inner barrel bottom 3 is made of ferrous metal materials: the heating device is a light wave heating device which comprises a light wave tube, and the light wave tube is arranged opposite to an area avoided by an inner barrel flange on the inner barrel bottom.
And the scheme II is that the inner barrel is provided with an inner barrel bottom 3 and an inner barrel flange 4 which are made of ferrous metal materials: the heating device is a far infrared heating device which comprises a far infrared radiation heating pipe, and the far infrared radiation heating pipe is arranged opposite to the area, avoided by the inner barrel flange, on the inner barrel bottom.
The far infrared ray is also called long-wave infrared ray, and the wavelength range is from 5.6 micrometers to 1000 micrometers. The far infrared heating technology utilizes far infrared rays emitted by a hot object source to irradiate a heated material, so that internal molecules and atoms generate heat energy through resonance after the material absorbs the far infrared rays, thereby achieving the purpose of heating. The technology can improve the heating efficiency and save energy.
The embodiment also provides a control method of the washing machine, which comprises the following steps:
the washing machine is fed with water, and a heating device is controlled to start and heats the heated part of the inner barrel flange in a non-contact heating mode; and when the temperature is heated to the set temperature, controlling the heating device to be closed.
Further, the washing machine controls the inner barrel to rotate in the heating process of the heating device;
preferably, the washing machine controls the inner tub to rotate in one direction or in both directions during the heating process of the heating device;
further preferably, the washing machine controls the inner tub to rotate at intervals of time T0 during the heating process of the heating device, or to rotate continuously.
At the in-process of heating, the bucket rotates in the simultaneous control for the heating is heated more evenly, avoids local long-time being heated, promotes heating efficiency.
The washing machine of the embodiment further comprises an infrared temperature measuring device arranged on the upper cover, the infrared temperature measuring device is aligned with the inside of the inner barrel and used for detecting the temperature of the washing water, and when the infrared temperature measuring device detects that the heating temperature of the washing water reaches a set value, the electromagnetic heating device is controlled to be closed.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023221673A1 (en) * | 2022-05-19 | 2023-11-23 | 青岛海尔洗衣机有限公司 | Control method for laundry treatment device, and laundry treatment device |
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| CN105544140A (en) * | 2014-10-31 | 2016-05-04 | 青岛海尔洗衣机有限公司 | Washing machine inner barrel bottom seal structure |
| CN109844211A (en) * | 2016-08-25 | 2019-06-04 | Lg电子株式会社 | Device for clothing processing and its control method |
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| WO2023221673A1 (en) * | 2022-05-19 | 2023-11-23 | 青岛海尔洗衣机有限公司 | Control method for laundry treatment device, and laundry treatment device |
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