SUMMERY OF THE UTILITY MODEL
The invention aims at providing a washing machine adopting a new heating mode, and particularly adopts the following technical scheme:
a washing machine comprising:
an inner barrel;
the wave wheel is arranged in the inner barrel;
and an electromagnetic heating device;
the inner barrel and/or the impeller are/is provided with a ferrous heating part, and the electromagnetic heating device heats the ferrous heating part.
Furthermore, 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 body and/or the inner barrel bottom is/are provided with a heating part containing iron; the electromagnetic heating device comprises an electromagnetic heating coil, and the electromagnetic heating coil corresponds to the iron-containing heating part of the inner barrel body and/or the inner barrel bottom to heat the inner barrel body or the inner barrel bottom.
Furthermore, the bottom of the inner barrel comprises an inner barrel bottom wall and an inner barrel bottom side wall which are made of ferrous materials, the inner barrel body is fixedly connected with the inner barrel bottom side wall, and the electromagnetic heating coil is arranged corresponding to the inner barrel bottom wall and/or the inner barrel bottom side wall;
preferably, an inner barrel bottom flange is arranged on the outer side of the bottom wall of the inner barrel, and the electromagnetic heating coil corresponds to the bottom wall of the inner barrel and/or the side wall of the bottom of the inner barrel and is arranged to avoid the inner barrel bottom flange;
further preferably, the electromagnetic heating coil is arranged corresponding to the side wall of the bottom of the inner barrel.
Further, the electromagnetic heating device comprises an electromagnetic heating coil which is arranged on the outer barrel;
preferably, the outer barrel is a plastic barrel, and the electromagnetic heating coil is arranged on the outer wall of the outer barrel.
Furthermore, the outer barrel comprises an outer barrel body and an outer barrel bottom, the outer barrel body is parallel to the inner barrel body, and the electromagnetic heating coil is arranged on the outer wall of the outer barrel body;
and/or the outer barrel bottom is provided with an outer barrel bottom side wall parallel to the inner barrel bottom side wall, and the electromagnetic heating coil is arranged on the outer barrel bottom side wall.
Furthermore, a dewatering opening is arranged on the position, higher than the highest water level of the washing machine, of the inner barrel wall of the inner barrel, the inner barrel wall between the dewatering opening and the bottom of the inner barrel is of a closed structure, and washing water can be independently contained in the inner barrel during washing;
or the inner barrel is a perforated inner barrel with a plurality of dewatering holes distributed on the barrel wall.
Furthermore, a dewatering opening is arranged on the position, higher than the highest water level of the washing machine, of the inner barrel wall of the inner barrel, the inner barrel wall between the dewatering opening and the bottom of the inner barrel is of a closed structure, and washing water can be independently contained in the inner barrel 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, and the electromagnetic heating coil 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.
Furthermore, the bottom of the inner barrel is positioned in a water collecting cavity of the water collecting device, the water collecting device is provided with a mounting wall parallel to the side wall of the bottom of the inner barrel, and the electromagnetic heating coil is arranged on the outer wall of the mounting wall.
Further, the electromagnetic heating device comprises electromagnetic heating coils, and at least one electromagnetic heating coil is arranged along the circumferential direction;
preferably, the electromagnetic heating coil comprises a plurality of electromagnetic heating coils which are uniformly distributed along the circumferential direction of the outer periphery of the inner barrel.
The utility model discloses provide above-mentioned washing machine's control method simultaneously, specifically, adopted following technical scheme:
a control method of the washing machine, comprising:
after water is fed into the washing machine, the electromagnetic heating device is controlled to heat the iron-containing heated part of the inner barrel, the iron-containing heated part is heated to heat water in the inner barrel, and when the water is heated to a set temperature, the electromagnetic heating device is controlled to be closed.
The utility model provides a rotary drum washing machine, this rotary drum washing machine have electromagnetic heating device, through the iron content of the interior bucket of electromagnetic heating device heating and/or impeller receive the hot portion, the iron content receives the hot portion by the electromagnetic heating device heating and then gives the washing water in the interior bucket with the heat transfer, realizes the heating of washing water.
Firstly, 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 and even installed in the box body, 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 utility model discloses a rotary drum washing machine adopts electromagnetic heating device to realize the heating function, has promoted the efficiency of heating, has simplified heating device's installation, has simplified the structure of outer bucket, has prolonged heating device's life.
Detailed Description
The washing machine 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 3;
a pulsator 13 disposed inside the inner tub 3;
and an electromagnetic heating device;
the inner barrel 3 and/or the impeller 13 is provided with a ferrous heating part, and the electromagnetic heating device heats the ferrous heating part.
The present embodiment provides a pulsator washing machine having an electromagnetic heating device, which heats the iron-containing heat receiving part of the inner tub 3 and/or the pulsator 13 by the electromagnetic heating device, and the iron-containing heat receiving part is heated by the electromagnetic heating device to transfer heat to the washing water in the inner tub 3, thereby achieving heating of the washing water.
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 and even installed in the box body, 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. The iron-containing heat receiving unit of the present embodiment may be a separate structural member separately disposed on the inner tub or the pulsator, or may be a part of the structure of the inner tub or the pulsator.
The pulsator 13 of the present embodiment 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.
Further, in order to realize the heating of the inner barrel by the electromagnetic heating device, the inner barrel 3 of the present embodiment includes a cylindrical inner barrel body 4 and an inner barrel bottom 5 disposed at one end of the inner barrel body 4, and the inner barrel body 4 and/or the inner barrel bottom 5 has a heated portion containing iron; the electromagnetic heating device comprises an electromagnetic heating coil 6, and the electromagnetic heating coil 6 corresponds to the iron-containing heated part of the inner barrel body 4 and/or the inner barrel bottom 5 to heat the inner barrel body 4 or the inner barrel bottom 5.
Because the outer barrel of the existing washing machine is generally made of plastic materials, the inner barrel is arranged in the outer barrel, and the impeller is arranged in the inner barrel, the electromagnetic heating device of the embodiment adopts the heating inner barrel, so that the electromagnetic heating device is more direct and easier to realize, and the electromagnetic heating coil of the embodiment corresponds to the iron-containing heating part of the inner barrel and/or the inner barrel bottom to heat the inner barrel body or the inner barrel bottom, so as to realize the heating of the inner barrel body 4 or the inner barrel bottom 5.
Further, the inner barrel bottom 5 comprises an inner barrel bottom wall 12 and an inner barrel bottom side wall 14 which are made of ferrous materials, the inner barrel body 4 is fixedly connected with the inner barrel bottom side wall 14, and an inner barrel bottom flange 13 is arranged on the outer side of the inner barrel bottom wall 12; the electromagnetic heating coil 6 is arranged corresponding to the bottom side wall 14 of the inner barrel.
The electromagnetic heating device of this embodiment heats the inner tub bottom 5, and thus the electromagnetic heating coil 6 of the electromagnetic heating device is also installed at the bottom of the inner tub 3, the bottom of the inner tub has a space for installing the electromagnetic heating coil, and the bottom of the inner tub is installed with the pulsator 15, and the electromagnetic heating cooperates with the water flow agitation of the pulsator to accelerate the heating rate of the washing water in the inner tub 3.
Further, this application considers interior barrel head concrete structure, and interior barrel head flange 13 that need install the barrel head intensity in the enhancement at the bottom of the interior barrel, because interior barrel head flange generally adopts the metalwork to make more, barrel head flange 13 in the electromagnetic heating coil 6 of this application dodges, and the corresponding interior barrel head lateral wall 14 that does not install interior barrel head flange 13 sets up, avoids electromagnetic heating device to heat interior barrel head flange 13 and reduces the efficiency of heating the washing water.
In the embodiment, the washing machine further includes an outer tub 2 coaxially disposed outside the inner tub 3, and the electromagnetic heating device includes an electromagnetic heating coil 6, and the electromagnetic heating coil 6 is disposed on the outer tub 2.
Preferably, the outer tub 2 is a plastic tub, and the electromagnetic heating coil 6 is disposed on an outer wall of the outer tub 2.
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 device that contains, consequently, this application sets up electromagnetic heating device's electromagnetic heating coil 6 and realizes sending the alternating magnetic line of force to interior bucket on outer bucket and heat.
Specifically, the outer barrel 2 of this embodiment includes an outer barrel body and an outer barrel bottom, the outer barrel body is parallel to the inner barrel body 4, and the electromagnetic heating coil 6 is arranged on the outer wall of the outer barrel body to heat the barrel wall of the inner barrel body 4.
And/or the outer barrel bottom is provided with an outer barrel bottom side wall 7 parallel to the inner barrel bottom side wall 5, the electromagnetic heating coil 6 is arranged on the outer barrel bottom side wall 7, the inner barrel bottom side wall 14 of the inner barrel is subjected to electromagnetic heating, the structure of the outer barrel is improved, the structural design of the outer barrel bottom side wall 7 parallel to the inner barrel bottom side wall 5 of the inner barrel is added, and the electromagnetic heating coil and the inner barrel bottom side wall 14 are oppositely installed to avoid the inner barrel bottom flange 13.
The present embodiment adopts the mode that electromagnetic heating device heats the washing water in to interior bucket to rotary drum washing machine, and the current rotary drum washing machine that can utilize to set up the dehydration hole on the bucket wall of interior bucket also can be applicable to the rotary drum washing machine who has the sclausura interior bucket that can independently hold the washing water in the washing process.
The present embodiment preferably applies the electromagnetic heating device to a pulsator washing machine having a non-porous inner tub, and specifically, a dewatering opening is provided on the tub wall of the inner tub 3 at a position higher than the highest water level of the washing machine in the present embodiment, the inner tub wall between the dewatering opening and the inner tub bottom 5 is a closed structure, and washing water can be independently contained in the inner tub 3 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 holds the washing water as the water-holding bucket, interior bucket still need rotate at the dehydration in-process simultaneously, consequently, considers the problem that interior bucket can't walk the line, can't directly set up heating device in interior bucket, adopts electromagnetic heating device can realize the rotary drum washing machine's of interior bucket of sclausura heating function.
Further, the present embodiment is directed to the working characteristics of the pulsator washing machine having an inner tub without holes, and since the outer tub mainly functions in the drainage process, the present embodiment further improves the structure of the washing machine, and cancels the outer tub, specifically, a dewatering opening is provided on the tub wall of the inner tub at a position higher than the highest water level of the washing machine, the inner tub wall between the dewatering opening and the bottom of the inner tub is a closed structure, and the inner tub 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, and the electromagnetic heating coil 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.
In order to heat the bottom of the inner barrel of the imperforate inner barrel, the embodiment is improved on the water collecting device, the bottom of the inner barrel is positioned in a water collecting cavity of the water collecting device, the water collecting device is provided with a mounting wall parallel to the side wall of the bottom of the inner barrel, and the electromagnetic heating coil is arranged on the outer wall of the mounting wall.
As an implementation manner of this embodiment, according to the requirement of the heating speed, the electromagnetic heating apparatus of this embodiment includes at least one electromagnetic heating coil arranged along the circumferential direction; preferably, the electromagnetic heating coil comprises a plurality of electromagnetic heating coils which are uniformly distributed along the circumferential direction.
The electromagnetic heating device of the embodiment further includes a driver 8 electrically connected to the electromagnetic heating coil, and the driver 8 may be mounted on a tub wall of the outer tub or in the casing 1 of the washing machine.
The main principle of electromagnetic heating is as follows: the heating procedure is started, the driver 8 functions to convert the current voltage into direct current through the rectifier, so that the direct current becomes high-frequency alternating current exceeding the audio frequency, and the high-frequency alternating current is output to the coil, 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 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 10, which is decelerated by a decelerator 11 to respectively rotate the pulsator 14 and the inner tub 3.
The bottom of the housing 1 of the washing machine of the present embodiment has feet 9 for support.
The embodiment also provides a control method of the washing machine, which comprises the following steps:
after water is fed into the washing machine, the electromagnetic heating device is controlled to be started, the electromagnetic heating device heats the iron-containing heating part of the inner barrel, the iron-containing heating part is heated to heat water in the inner barrel, and when the water is heated to a set temperature, the electromagnetic heating device is controlled to be stopped.
The control method of the embodiment also comprises the step of controlling the inner barrel to rotate continuously or at intervals in the heating process so as to enable the heating to be more balanced.
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.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.