CN106480657B

CN106480657B - Washing machine

Info

Publication number: CN106480657B
Application number: CN201510531123.2A
Authority: CN
Inventors: 李文伟; 吴军; 宁骁; 王海波
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2015-08-26
Filing date: 2015-08-26
Publication date: 2021-03-16
Anticipated expiration: 2035-08-26
Also published as: CN106480657A

Abstract

The invention provides a selective control knob for a washing machine and the washing machine, wherein the washing machine comprises at least two sets of washing devices capable of independently operating and a set of control panel shared by all the washing devices, and the selective control knob comprises a selective control key for selecting all the washing devices; and a selection knob for selecting programs for each washing device; the selection control key is integrally arranged on the selection knob, and the selection knob is arranged on the control panel. The selective control knob of the invention is mainly used for a washing machine with a plurality of sets of washing devices capable of operating independently, the selective control key of the selective washing device is integrally installed on the selective knob for selecting programs, the washing device is selected through the selective control key, and then the related programs of the set of washing device are selected through the selective knob, thereby realizing the purpose of sharing one set of washing programs by all sets of washing devices, simplifying the structure of a control panel and reducing the cost.

Description

Washing machine

Technical Field

The invention relates to the technical field of washing machines, in particular to a selective control knob for a washing machine and the washing machine.

Background

In modern life, the washing machine can not be used by every family, and the washing machine becomes a good helper for people's life. At present, the washing machines have more and more styles and more powerful functions, and along with the increase of the functions and the styles, the double-drum washing machine gradually appears in the life of people. The dual drum washing machine has two independent washing drums, and the user may select either one of the washing drums to wash the laundry or select both washing drums to wash the laundry separately. Therefore, the double-drum washing machine can wash more clothes at one time, thereby avoiding repeated operation of a user and reducing the workload of the user; in addition, the double-drum washing machine can wash clothes according to the material class of the clothes, the class of the clothes of adults and infants and the like, and the use experience of users is improved; meanwhile, the double drum washing machine improves washing efficiency.

However, most of the existing double-drum washing machines adopt two control panels to respectively control two washing drums, so that the production cost is high, the control panel structure part of the washing machine is simple, and the user operation is complex. In addition, the existing double-drum washing machine adopts a control panel to respectively control two washing drums through mechanical modes such as keys and the like, the operation mode is unreasonable, the operation process is complicated, the appearance is not attractive, and the operation state of the washing drums and the setting of working parameters are inconvenient for users to check.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

In order to solve the above problems, a first aspect of the present invention is to provide a selection control knob capable of selectively controlling a washing machine having a plurality of sets of washing devices, and specifically, the following technical solutions are adopted:

a washing machine uses and chooses the control knob, the said washing machine includes at least two sets of washing devices that can run independently and a set of control panels that every washing device shares, including choosing the control key, is used for choosing every washing device; and a selection knob for selecting programs for each washing device; the selection control key is integrally arranged on the selection knob, and the selection knob is arranged on the control panel.

Furthermore, the selection control keys comprise one selection control key which is shared by all the washing devices, and the selection control key switches to select one set of washing devices once activated;

or, the selection control keys comprise a plurality of selection control keys which are respectively corresponding to the washing devices one by one, and when one of the selection control keys is activated, a set of washing devices corresponding to the selection control key is selected.

Further, the selection knob comprises a rotatable knob body, and the selection control key is integrally installed at the center of the knob body.

Furthermore, the knob main body comprises a knob shell and a knob upper cover, the knob shell and the knob upper cover enclose a hollow chamber, and the selection control key is integrally installed in the hollow chamber;

the knob upper cover is provided with a plurality of subareas which are respectively in one-to-one correspondence with the washing devices, each subarea is provided with a display icon, the selection control key selects one of the washing devices, and the display icon corresponding to the washing device is lightened immediately.

Furthermore, all the sections of the knob upper cover are correspondingly arranged for the same selection control key shared by all the washing devices, and the icon on one section is lightened immediately when the selection control key is activated once;

or, each subarea of the knob upper cover corresponds to the selection control keys which correspond to the washing devices one by one, and when one of the selection control keys is activated, the icon on the corresponding subarea is lightened immediately.

Furthermore, the selection control key is a touch key, the knob upper cover is fixedly arranged, and the knob shell is rotatably arranged relative to the knob upper cover; or the selection control key is a press type key, the knob upper cover can be axially movably arranged to operate the press type key, and the knob shell is rotatably arranged relative to the knob upper cover. Furthermore, the selection knob further comprises an encoder, a printed circuit board is arranged below the control panel, the knob body is fixedly connected with the encoder, and the encoder is arranged on the printed circuit board;

the selection control key comprises a selection contact which is arranged on the inner side of the knob body and is communicated with the printed circuit board.

Furthermore, the selection control key comprises a touch film and a connecting flat cable, the touch film is connected with the printed circuit board through the connecting flat cable, and the touch film is provided with a plurality of touch points which are respectively in one-to-one correspondence with the washing devices;

or, the selection control key comprises a plurality of touch induction sheets which are respectively in one-to-one correspondence with the washing devices and springs, and each touch induction sheet is connected with the printed circuit board through the spring;

or the selection control key comprises a plurality of touch materials which are respectively in one-to-one correspondence with the washing devices and conductive materials, and each touch material is connected with the printed circuit board through the conductive material;

or the selection control key comprises a plurality of press keys which are respectively in one-to-one correspondence with the washing devices, passive contacts of the press keys are connected to the printed circuit board, and active contacts are fixedly connected to the knob main body;

or, the selective control key comprises a press key shared by all the washing devices, a passive contact of the press key is connected to the printed circuit board, and an active contact is fixedly connected to the knob body.

The second invention of the present invention is to provide a washing machine with any one of the above-mentioned selection control knobs, specifically, the following technical solutions are adopted:

a washing machine comprises at least two sets of washing devices capable of operating independently and a set of control panel shared by the washing devices, wherein a selection control knob is arranged on the control panel, and after a washing device is selected by a selection control key of the selection control knob, programs and parameters corresponding to the washing device can be selected under the control of the selection knob.

Furthermore, a plurality of groups of clothes material icons and/or washing program icons are arranged on the control panel, and the clothes material icons and/or the washing program icons are respectively arranged on the periphery of the selection control knob;

each set of washing device respectively corresponds to a group of clothes material icons and/or washing program icons: when the selection control key is activated to select one washing device, the selection knob is operated to select one group of clothes material icons and washing program icons corresponding to the set of washing devices.

The selective control knob of the invention is mainly used for a washing machine with a plurality of sets of washing devices capable of operating independently, the selective control key of the selective washing device is integrally installed on the selective knob for selecting programs, the washing device is selected through the selective control key, and then the related programs of the set of washing device are selected through the selective knob, thereby realizing the purpose of sharing one set of washing programs by all sets of washing devices, simplifying the structure of a control panel and reducing the cost. Moreover, the keys of the control panel are reduced, so that the overall layout is more attractive.

The washing machine is provided with a plurality of sets of washing devices capable of operating independently, the switching control of each set of washing devices by the control panel is realized by using one selection control knob on the whole machine, the operation of each set of washing devices is further controlled, and the control of each set of washing devices by using one selection control knob is realized.

Drawings

FIG. 1 is a top view of a selection control knob according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a top view of a selection control knob according to a second embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;

FIG. 5 is a top view of a selection control knob according to a third embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along plane C-C of FIG. 5 in accordance with the present invention;

FIG. 7 is a top view of a selection control knob according to a fourth embodiment of the present invention;

FIG. 8 is a cross-sectional view of the D-D surface of FIG. 7 of the present invention;

FIG. 9 is a top view of a selection control knob according to a fifth embodiment of the present invention;

FIG. 10 is a cross-sectional view taken along plane E-E of FIG. 9 of the present invention;

FIG. 11 is a schematic view of the control panel interface of the washing machine of the present invention.

Reference numbers in the drawings illustrate: 100-knob body 101-knob shell 102-first partition 103-first light guide column 104-first light guide column outer frame 105-encoder 106-printed circuit board 107-second partition 108-touch film 109-connecting flat cable 110-second light guide column 111-second light guide column outer frame 112-first spring 113-second spring 114-first press key 115-second press key 116-first touch material 117-first conductive material 118-second touch material 119-second conductive material 120-press key 200-control panel 211-first washing program icon 212-second washing program icon 221-first display area 222-second display area 231-third display area 232-fourth display area 240- Control key 251-first pause/start key 252-second pause/start key.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, wherein:

a washing machine uses the selective control knob, the said washing machine includes at least two sets of washing devices that can run independently and a set of control panels that every washing device shares, the selective control knob includes the selective control key, is used for choosing every washing device; and a selection knob for selecting programs for each washing device; the selection control key is integrally arranged on the selection knob, and the selection knob is arranged on the control panel.

The selective control knob of the invention is mainly used for a washing machine with a plurality of sets of washing devices capable of operating independently, the selective control key of the selective washing device is integrally installed on the selective knob for selecting programs, the washing device is selected through the selective control key, and then the related programs of the set of washing device are selected through the selective knob, thereby realizing the purpose of sharing one set of washing programs by all sets of washing devices, simplifying the structure of a control panel and reducing the cost.

Because the washing machine is provided with a plurality of sets of washing devices which share the same control panel, the program parameters of the washing devices can be controlled and displayed through the control panel only by selecting one set of washing device first. The control knob of the invention selects one set of washing devices by selecting the control key, and particularly, the following two preferred embodiments can be adopted by selecting the control key:

in a first mode, the selection control key comprises one selection control key which is shared by all the washing devices, and the selection control key switches to select one set of washing devices once activated.

For example, the washing machine has two sets of washing devices, namely a first roller and a second roller, the original state of the selection control key is closed, the first roller is selected by default when the selection control key is activated by first operation, the second roller is selected when the selection control key is activated by second operation, and the first roller is selected when the selection control key is activated by second operation, so that the first roller and the second roller are alternately selected in sequence each time the selection control key is activated by second operation.

In the mode, only one selection control key is required to be arranged on the control knob, so that the structure is simplified, and the installation is more convenient.

In a second mode, the selection control keys comprise a plurality of selection control keys which are respectively corresponding to the washing devices one by one, and when one of the selection control keys is activated, a set of washing devices corresponding to the selection control key is selected.

For example, the washing machine has two sets of washing devices, namely a first roller and a second roller, the selection control keys comprise a first selection control key and a second selection control key, the original states of the first selection control key and the second selection control key are both closed, the first roller is selected when the upper selection control key is operated and activated, and the second roller is selected when the lower selection control key is operated and activated.

The mode is more intuitive and is convenient for the user to operate.

As shown in fig. 1-10, after the selection control knob selects the washing device, the selection control knob can adjust and select the washing program of the set of washing device through the selection knob, the operation mode of the selection knob is the same as the control panel on the existing drum washing machine, and the user can get on the hands more easily. The present invention installs the selection control key on the selection knob on the basis of not changing the knob operation mode of the existing drum washing machine, the selection knob of the present invention comprises a rotatable knob body 100, and the selection control key is installed on the center position of the knob body 100 in an integrated manner.

The knob main body comprises a knob shell 101 and a knob upper cover, wherein the knob shell 101 and the knob upper cover enclose a hollow chamber, and the selection control key is integrally installed in the hollow chamber. Since the selection control is provided in the inner chamber of the knob body 100, the present invention can implement the activation of the selection control in the following two ways.

In the first mode, the selection control key is a touch key, the knob upper cover is fixedly arranged, and the knob shell is arranged in a rotatable mode relative to the knob upper cover.

Because the selection control key is a touch type key, activation can be realized in a touch mode, and therefore, activation of the selection control key can be realized only by performing touch operation on the knob upper cover.

And the selection control key is a press type key, the knob upper cover can be axially movably arranged to operate the press type key, and the knob shell is rotatably arranged relative to the knob upper cover.

Because the selection control key is a press type key, activation can be realized only by a mechanical press mode, and therefore, the rotary upper cover can be pressed only by the arrangement that the rotary upper cover can move relatively relative to the rotary knob shell, and the press type key is further activated.

In order to facilitate the user to observe which washing device of the washing machine is selected, as a preferred embodiment of the present invention, the knob upper cover has a plurality of partitions, which are respectively in one-to-one correspondence with the washing devices, each partition is provided with a display icon, the selection control key selects one of the washing devices, and the display icon corresponding to the washing device is immediately lighted. Thus, the user can directly know whether the corresponding washing device is selected by observing whether the icon on the upper cover of the selection knob is lightened.

For example, the washing machine has two sets of washing devices, namely a first roller and a second roller, the knob upper cover is provided with a first partition 102 and a second partition 107, a first roller icon is arranged on the first partition 102, an icon of the second roller is arranged on the second partition 107, the first roller icon is lightened when the first roller is selected by the selection control key, and the second roller icon is lightened when the second roller is selected by the selection control key.

Because the selection control key of the invention adopts two setting modes, the corresponding subarea of the rotary upper cover has the following two modes:

in the first mode, all the sections of the knob upper cover are arranged corresponding to the same selection control key shared by all the washing devices, and the icon on one section is lightened immediately after the selection control key is activated once.

And secondly, all the subareas of the knob upper cover respectively correspond to the selection control keys which are in one-to-one correspondence with the washing devices, and when one of the selection control keys is activated, the icons on the corresponding subareas are lightened immediately.

In order to realize the program selection function of the selection knob, the selection knob further comprises an encoder 105, a printed circuit board 106 is arranged below the control panel, the knob body is fixedly connected with the encoder 105, and the encoder 105 is installed on the printed circuit board 106. The invention realizes the selection of the washing program by rotating the selection knob, which drives the encoder 105 to rotate and is matched with the printed circuit board 106.

The selection control key comprises a selection contact, wherein the selection contact is used for receiving a selection operation instruction of a user, the selection contact is a mechanical induction type contact or a touch induction type contact, and the selection contact is arranged on the inner side of the knob body and is connected with a printed circuit board. The invention integrates the selection control key and the selection knob on the same printed circuit board 106, and the integral integration level is higher.

The plurality of light guide columns are further arranged in the inner cavity of the knob main body 100, the light guide columns respectively correspond to all the partitions of the knob upper cover, and light is transmitted more uniformly by the light guide columns, so that the whole light of the knob main body 100 is more uniformly emitted. The outside of leaded light post is provided with the leaded light post frame, and the leaded light post frame avoids taking place the diffraction between the leaded light post. Specifically, the light guide column includes a first light guide column 103 and a second light guide column 110, a first light guide column outer frame 104 is disposed on the periphery of the first light guide column 103, and a second light guide column outer frame 111 is disposed on the periphery of the second light guide column 110.

The knob upper cover is arranged lower than the top surface of the knob shell 101, so that the knob upper cover is effectively prevented from being touched in the process of selecting and rotating the knob, and the selection control key is prevented from being triggered by mistake.

In addition, interference filtering is processed through software, and response of a selection control key in the selection knob is prevented from being triggered by mistake.

The response time of the selection control key in the selection knob of the invention can be set in a non-one-touch response mode (the response time reaches 0.5 s-1 s).

And selecting 2 or more control keys in the knob, and processing that no response is performed when the response is required.

In the process of turning the selection knob, if the internal selection control key detects that a response is required, the process is such that the internal selection control key does not respond.

The invention also provides a washing machine with the selection control knob, which comprises at least two sets of washing devices capable of operating independently and a set of control panel shared by all the washing devices, wherein the control panel is provided with the selection control knob, and after the selection control key of the selection control knob selects one washing device, the selection knob can control and select programs and parameters corresponding to the washing device.

In particular, the selection control knob of the present invention is applicable to a dual drum washing machine having a first drum and a second drum.

For convenience of description, the following embodiments are explained by taking the dual drum washing machine as an example.

Example one

The selection control key of the present embodiment is activated by touching, as shown in fig. 1 and fig. 2, the selection control key includes a touch film 108 and a connection flat cable 109, the touch film 108 is connected to the printed circuit board 106 through the connection flat cable 109, and the touch film 108 has a plurality of touch points, which are respectively in one-to-one correspondence with the washing devices.

Specifically, the touch film 108 is disposed against an inner wall of a knob upper cover of the selection knob. The touch film 108 has two touch points, and the two touch points are respectively arranged at the lower sides of the first partition 102 and the second partition 107 of the knob upper cover and respectively correspond to the first roller and the second roller.

A user touches the first section 102 of the upper cover of the knob and a touch point on the underside of the first section 102 is activated upon sensing the touch, selecting a first roller, and when the user touches the second section 107 of the upper cover of the knob and a touch point on the underside of the second section 107 senses the touch, switching to the selected second roller.

In addition, the touch film 108 is away from the peripheral edge of the knob upper cover for a certain distance, so that the touch key response in the knob is prevented from being triggered by mistake in the knob rotating process.

The selection control key of this embodiment adopts the touch mode for the structural wholeness of knob is stronger, and an organic whole degree is higher.

Example two

The selection control key of the present embodiment is activated by touching, as shown in fig. 3 and 4, the selection control key includes a plurality of touch sensing pieces, which are respectively corresponding to the washing devices one by one, and a spring, and each touch sensing piece is connected to the printed circuit board 106 through the spring. The touch induction sheet is far away from the peripheral edge of the upper cover of the knob by a certain distance, so that the touch key response in the knob is prevented from being triggered by mistake in the knob rotating process.

Specifically, the touch sensing sheet includes a first touch sensing sheet and a second touch sensing sheet, the first touch sensing sheet is disposed to be closely attached to an inner wall of the first partition 102 of the knob upper cover, and the first touch sensing sheet is connected to the printed circuit board through the first spring 112. The second touch sensing piece is closely attached to the inner wall of the second partition 107 of the knob upper cover, and the second touch sensing piece is connected to the printed circuit board through a second spring 113.

The operation of this embodiment is similar to that of the embodiment, and is not described herein again.

EXAMPLE III

The selection control key of the present embodiment is activated by touching, as shown in fig. 7 and 8, the selection control key includes a plurality of touch materials, which are respectively corresponding to the washing devices one by one, and a conductive material, and each touch material is connected to the printed circuit board 106 through the conductive material. The touch material is far away from the peripheral edge of the knob upper cover for a certain distance, so that the touch key response in the knob is prevented from being triggered by mistake in the knob rotating process.

Specifically, the touch material includes a first touch material 116 and a second touch material 118, the first touch material 116 is disposed adjacent to an inner wall of the first section 102 of the knob top cover, and the first touch material 116 is connected to the printed circuit board through a first conductive material 117. The second touch material 118 is disposed against the inner wall of the second section 107 of the knob top cover, and the second touch material 118 is connected to the printed circuit board by a second conductive material 119.

In this embodiment, the first touch material 116 and the second touch material 118 are conductive silver paste, and the first conductive material 117 and the second conductive material 119 are copper sheets.

Example four

The selection control key of the present embodiment is activated by pressing, as shown in fig. 5 and 6, the selection control key includes a plurality of pressing keys, which are respectively in one-to-one correspondence with the washing apparatus, passive contacts of the pressing keys are connected to the printed circuit board 106, and active contacts are fixedly connected to the knob body.

Specifically, the selection control key comprises a first press key 114 and a second press key 115, a passive contact of the first press key 114 is arranged on the printed circuit board 106, and an active contact is arranged on the inner wall of the first partition 102 of the knob upper cover; a second push button 115 is provided on the printed circuit board 106 and the active contact is provided on the inner wall of the second section 107 of the knob upper cover.

When a user presses the first partition 102 of the upper cover of the knob, the active contact of the first press key 114 moves downwards to contact with the passive contact to realize activation, the first roller is selected, and when the user presses the second partition 107 of the upper cover of the knob, the active contact of the second press key 115 moves downwards to contact with the passive contact to realize activation, the first press key 114 is disconnected, and the second roller is selected in a switching way.

The embodiment adopts the mechanical pressing type selection control key, so that the manufacturing cost is lower.

EXAMPLE five

The selection control key of the present embodiment is activated by pressing, as shown in fig. 9 and 10, the selection control key includes a pressing button 120, which is shared by all the washing devices, a passive contact of the pressing button 120 is connected to the printed circuit board, and an active contact is fixedly connected to the knob body. When the user presses the operation knob upper cover once, the first roller and the second roller are selected alternately in turn.

EXAMPLE six

Referring to fig. 11, a washing machine includes at least two sets of washing devices, a control panel 200 shared by the washing devices, and a control system connected to the control panel 200 and the washing devices, respectively.

The control panel 200 of this embodiment is provided with a selection control knob having a selection control key for selecting a washing device for the next operation; a set of control keys 240 shared by the washing devices, for controlling the program and parameters corresponding to the washing device after selecting a washing device; and the at least two display units correspond to the washing device one to display the setting and running states of the washing device.

The washing machine of the embodiment is provided with at least two sets of washing devices which can independently operate, the functions of the control panel of each washing device are integrated on one control panel 200, and the control panel 200 is provided with a selection control knob for selecting one washing device; a set of control keys 240 common to each washing apparatus. By selecting a certain set of washing devices through the selection control keys of the selection control knob, one set of control keys 240 can control the washing programs and parameters of the selected set of washing devices, and when the other set of washing devices is selected through switching of the selection control keys, one set of control keys 240 can control the washing programs and parameters of the other set of washing devices instead. In addition, the control panel 200 of the present invention is further provided with a plurality of display units for displaying the setting and operating states of the washing device in a one-to-one correspondence manner, which is more intuitive and obvious and is convenient for the user to operate.

The control panel 200 of this embodiment is further provided with a plurality of groups of clothes material icons and washing program icons, and the clothes material icons and the washing program icons are respectively arranged around the selection control knob; after a certain set of washing device is selected by the selection control key of the selection control knob, the clothes material icon and the washing program icon of the set of washing device can be selected by operating the selection knob of the selection control knob.

The washing machine of the embodiment can realize the control and display of at least two sets of washing devices only by one control panel 200, thereby simplifying the overall structure of the washing machine and reducing the cost.

The control panel 200 of this embodiment is provided with a selection control knob, so that the switching among a plurality of sets of washing devices can be realized, the washing programs and parameters can be further controlled, and the operation by a user can be more conveniently carried out.

The control panel 200 of the embodiment is provided with a group of control keys 240 shared by all the washing devices, so that the structure of the control panel is simplified, the control panel is more neat and beautiful, and the cost is reduced.

The control panel 200 of the embodiment is provided with a plurality of display units which respectively display the setting and the running state of each set of washing device, so that the washing device is more intuitive and more convenient for user operation.

Specifically, the present embodiment will be further described with reference to the dual drum washing machine which is now widely used.

The washing device of the washing machine of the embodiment comprises a first drum and a second drum, a control panel 200 is arranged at the front part of the box body of the washing machine, and the control panel 200 can realize control and display of the first drum and the second drum.

The control panel of the embodiment is provided with a first display unit and a second display unit which correspondingly display the setting and running states of the first roller and the second roller. The first roller and the second roller of the invention share one control panel 200, and the control panel 200 can simultaneously display the setting and running states of the first roller and the second roller, so that the invention is more intuitive and convenient for users to operate.

In order to facilitate the operation of the user and correspondingly display the result on the display unit of the control panel 200, the set of control keys 240 of the present invention is disposed between the first display unit and the second display unit, so that the two sets of washing devices can share the set of control keys 240, and the overall layout of the control panel is more concise and reasonable. Because some control keys in the set of control keys 240 have multiple parameters, when the control keys are controlled to adjust the corresponding parameter values, the user needs to make a judgment in real time according to the adjustment result, and the areas of the first display unit and the second display unit corresponding to one or more control keys respectively display a set of parameters of the control keys, which is beneficial for the user to make a more intuitive judgment.

Specifically, the set of control keys 240 is arranged between the first display unit and the second display unit in a horizontal direction, and a set of parameters displayed by one or more control keys corresponding to the control keys is displayed on the display units on both sides of the control keys in a vertical direction. Therefore, the control key can be close to the two display units as far as possible, the display units can more directly display the control parameters corresponding to the control key, and the user can judge more intuitively.

Specifically, the set of control keys 240 at least includes control keys for controlling temperature, rotation speed, washing and rinsing, and the first display unit and the second display unit respectively display a set of temperature value parameter, rotation speed value parameter, washing time parameter and rinsing time parameter of the first drum and the second drum corresponding to the display areas of the control keys for controlling temperature, rotation speed, washing and rinsing.

Therefore, the first display unit at least includes a first display area 221, the first display area 221 is set corresponding to the control keys for controlling the temperature, the rotation speed, the washing and the rinsing, and the parameter values of the first display area 221 are displayed corresponding to the control keys, respectively. Similarly, the second display unit at least includes a second display area 222, the second display area 222 is also set corresponding to the control keys for controlling temperature, rotation speed, washing and rinsing, and the second display area 222 displays the parameter values corresponding to the control keys.

In addition, the first display unit of this embodiment further includes a display area for displaying the current washing program of the first drum and the remaining time thereof, i.e., a third display area 231 in fig. 1, and the second display unit further includes a display area for displaying the current washing program of the second drum and the remaining time thereof, i.e., a fourth display area 232 in fig. 1.

Therefore, the first display unit and the second display unit of the embodiment are symmetrically arranged at the upper side and the lower side of the group of control keys 240, so that the layout of the control panel is more reasonable, the whole area of the control panel is reduced, and the installation area and the production cost are reduced.

The control keys of the embodiment further comprise special function keys, specifically, the group of control keys further comprises control keys for controlling the appointment and the night washing, and the display areas of the washing programs and the remaining time of the first display unit and the second display unit correspond to two sides of the control keys for the appointment and the night washing. Therefore, the washing machine of the present embodiment has more functions to choose from.

The control panel 200 of this embodiment is further provided with a plurality of groups of clothes material icons and washing program icons, and the clothes material icons and the washing program icons are respectively arranged around the selection key; the selection key comprises a rotary knob or a touch knob for selecting the clothes material icon and the washing program icon; when a selection icon of one washing device on the selection key is activated, the clothes material icon and the washing program icon of the set of washing device can be selected by operating the rotary knob or the touch control knob.

The first drum and the second drum of the present embodiment may also correspond to a set of clothes material icons and washing program icons, respectively, that is, the first drum corresponds to the first washing program icon 211, and the second drum corresponds to the second washing program icon 212. Therefore, the washing device is suitable for a double-drum washing machine with one large drum and one small drum, the small drum is mainly used for washing small clothes, the large drum is mainly used for washing large clothes, and the clothes material icons and the washing program icons selected by the washing devices with different functions are different, so that the washing device is more targeted and prevents misoperation of a user.

The washing machine control panel 200 of the present embodiment is further provided with a first pause/start key 251 for controlling pause/start of the first drum and a second pause/start key 252 for controlling pause/start of the second drum, respectively.

In addition, in order to further facilitate the differentiated display of the first roller and the second roller, the first display interface and the second display interface of the embodiment have different display colors.

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

1. A washing machine comprises at least two sets of washing devices capable of operating independently and a set of control panel shared by the washing devices, and is characterized in that a selection control knob is arranged on the control panel, and comprises a selection control key for selecting each washing device; and a selection knob for selecting programs for each washing device; the selection control key is integrally arranged on the selection knob, and the selection knob is arranged on the control panel; after the selection control key of the selection control knob selects a washing device, the selection knob can control and select programs and parameters corresponding to the washing device;

the washing device of the washing machine comprises a first roller and a second roller, wherein a control panel is provided with a first display unit and a second display unit which correspondingly display the setting and running states of the first roller and the second roller; a group of control keys which can be shared by two sets of washing devices are arranged between the first display unit and the second display unit, the group of control keys at least comprises control keys for controlling temperature, rotating speed, washing and rinsing, and the display areas of the first display unit and the second display unit, which correspond to the control keys for controlling temperature, rotating speed, washing and rinsing, respectively display a group of temperature value parameters, rotating speed value parameters, washing time parameters and rinsing time parameters of the first roller and the second roller;

the control panel is provided with a plurality of groups of clothes material icons and/or washing program icons, and the clothes material icons and/or the washing program icons are respectively arranged around the selection control knob;

2. A washing machine as claimed in claim 1, wherein the selection control comprises one selection control common to each washing apparatus, the selection control switching a selected set of washing apparatuses upon each activation;

3. A washing machine as claimed in claim 1 or 2, wherein the selection knob includes a rotatable knob body, and the selection control is integrally installed at a central position of the knob body.

4. A washing machine as claimed in claim 3, wherein the knob body includes a knob housing and a knob upper cover, the knob housing and the knob upper cover defining a hollow chamber, the selection control key being integrally mounted in the hollow chamber;

5. A washing machine as claimed in claim 4, characterized in that all the sectors of the knob upper cover are provided for a same selection control common to the washing apparatuses, the selection control being activated once, and the icon on one of the sectors is illuminated;

6. A washing machine as claimed in claim 4 wherein the selection control is a touch-type button, the knob upper cover is fixedly disposed, and the knob housing is rotatably disposed relative to the knob upper cover;

or the selection control key is a press type key, the knob upper cover can be axially movably arranged to operate the press type key, and the knob shell is rotatably arranged relative to the knob upper cover.

7. The washing machine as claimed in claim 3, wherein the selection knob further comprises an encoder, a printed circuit board is disposed under the control panel, the knob body is fixedly connected with the encoder, and the encoder is mounted on the printed circuit board;

8. The washing machine as claimed in claim 7, wherein the selection control key includes a touch film and a connection cable, the touch film is connected to the printed circuit board through the connection cable, the touch film has a plurality of touch points corresponding to the washing devices one-to-one;