WO2021147723A1 - Display device of washing machine - Google Patents

Abstract

A display device of a washing machine, the washing machine comprising a control circuit board, and the display device comprising: a display support (4), the control circuit board being provided within the display support (4), and a number of mounting grooves (41) being provided on the display support (4); display lamp groups, which are mounted within the mounting grooves (41) and electrically connected to the control circuit board; a color lamp film (3), which covers the display support (4), a number of color display icons (31) being provided thereon in positions corresponding to the display lamp groups; a touch film (2), which is provided above the color lamp film (3) and electrically connected to the control circuit board; and a decorative plate (1), which is provided above the touch film (2). In the display device, by providing the color lamp film (3) on the display support (4), the display device of a washing machine is improved from the original monochrome display icons that may only display dots or lines to achieving flat or three-dimensional color display icons (31), enhancing the display effect of a display device of a washing machine, and improving the usage experience of a user.

Description

Display device of washing machine Technical field

The invention belongs to the technical field of household appliances, and specifically provides a display device for a washing machine.

Background technique

As a household appliance that is becoming more and more indispensable in people's daily life, washing machines have brought great convenience to people's lives. The display device of the existing washing machine can only realize the monochrome graphics of dots or lines, but cannot realize the surface (picture) or three-dimensional color graphics, and the display effect is not good.

The Chinese patent with application number 201611159241.6 discloses a RGB three-color lamp display module and a washing machine provided with the display module. The RGB three-color lamp display module includes a control board with an MCU chip on it; a display board, There is a display driver chip connected to the MCU chip; a display bracket is provided with a mounting slot corresponding to the display driver chip; a display lamp group is installed in the mounting slot and includes several groups of RGB three connected to the display driver chip Color lights, a plurality of groups of the RGB three-color lights are controlled by a display drive chip to emit light of different intensities and colors. The washing machine of the present invention includes the above-mentioned RGB three-color lamp display module. By arranging the above components, several groups of RGB three-color lamps are controlled to emit light of different intensities and colors through the display driver chip, forming the light colors corresponding to different functions of the washing machine, replacing the existing single-color light display, and improving the display model of the washing machine. The display effect and prompt effect of the group.

Although the above-mentioned patent realizes the color display of the display device of the washing machine, it changes the original LED lamp group, adopts the color lamp group and controls the color change of the color lamp group, which greatly increases the production cost of the display device.

Therefore, this field needs a new technical solution to solve the above-mentioned problems.

Summary of the invention

Example one

The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a display device for a washing machine. The washing machine includes a control circuit board, and the display device includes: a display bracket, the control circuit board is arranged on the display In the bracket, the display bracket is provided with a number of installation slots; the display lamp group is installed in the installation slot and is electrically connected to the control circuit board; the color lamp film covers the display bracket, A number of color display icons are arranged on the position corresponding to the display lamp group; a touch film is arranged above the color lamp film and is electrically connected to the control circuit board; and a decorative board is arranged on the Said touch the top of the film.

In the above-mentioned preferred technical solution of the display device of the washing machine, the display lamp group includes a plurality of LED lamp groups arranged on the control circuit board, and the color display icons are respectively set corresponding to the LED lamp groups.

In the preferred technical solution of the display device of the washing machine, the color lamp film is a PET transparent film, and at least in the area where the color icons are displayed, the PET transparent film is printed with white translucent ink on the side facing the display bracket. .

In the preferred technical solution of the display device of the washing machine, the area of the PET transparent film where the color display icon is not printed is printed with black opaque ink on the side facing and/or facing the display bracket.

In the preferred technical solution of the display device of the washing machine described above, the cabinet of the washing machine is provided with a connecting groove for installing the display bracket, and the display bracket and the connecting groove are clamped or fixed by screwing or glued. .

In the preferred technical solution of the display device of the washing machine described above, the shape of the decorative plate is adapted to the shape of the slot of the connecting groove, and the groove wall of the connecting groove is provided with a connection for installing the decorative plate Step, the side of the decorative board facing away from the display bracket is flush with the notch of the connecting groove.

In the preferred technical solution of the display device of the washing machine described above, the decorative plate is a glass plate or a plastic plate, the area corresponding to the color display icon on the glass plate or the plastic plate is set as a light-transmitting area, and the other areas are Opaque area.

In the above-mentioned preferred technical solution of the display device of the washing machine, the decorative board is an acrylic board.

In the preferred technical solution of the display device of the washing machine described above, the touch film includes a base film and a wire arranged on the base film, a touch key is formed on the base film, and one end of the wire is connected to the touch key. Connection, the other end of the wire is connected to the control circuit board.

In the preferred technical solution of the above-mentioned display device of the washing machine, the washing machine is a drum washing machine, and the display device is arranged on the front panel of the drum washing machine.

Those skilled in the art can understand that, in the preferred technical solution of the present invention, the display device of the washing machine is improved from the original monochrome display icon that can only display dots or lines by arranging the color lamp film on the display bracket. It can realize flat or three-dimensional color display icons, enhance the display effect of the washing machine display device, and improve the user experience.

Example two

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a display device for a washing machine. The washing machine includes a control circuit board, the display device includes a display bracket, and the control circuit board is arranged on the display. In the bracket, the display bracket is provided with a number of installation slots; the display lamp group is installed in the installation slot and is electrically connected to the control circuit board; the color lamp film covers the display bracket, A number of color display icons are provided on the position corresponding to the display lamp group; a touch spring is provided on the control circuit board at a position corresponding to the installation slot; and a decorative board is provided on the color lamp film Above.

In the above-mentioned preferred technical solution of the display device of the washing machine, the display lamp group includes a plurality of LED lamp groups arranged on the control circuit board, and the color display icons are respectively set corresponding to the LED lamp groups.

In the preferred technical solution of the display device of the washing machine, the color lamp film is a PET transparent film, and at least in the area where the color icons are displayed, the PET transparent film is printed with white translucent ink on the side facing the display bracket. .

In the preferred technical solution of the display device of the washing machine, the area of the PET transparent film where the color display icon is not printed is printed with black opaque ink on the side facing and/or facing the display bracket.

In the preferred technical solution of the display device of the washing machine described above, the cabinet of the washing machine is provided with a connecting groove for installing the display bracket, and the display bracket and the connecting groove are clamped or fixed by screwing or glued. .

In the preferred technical solution of the display device of the washing machine described above, the shape of the decorative plate is adapted to the shape of the slot of the connecting groove, and the groove wall of the connecting groove is provided with a connection for installing the decorative plate Step, the side of the decorative board facing away from the display bracket is flush with the notch of the connecting groove.

In the above-mentioned preferred technical solution of the display device of the washing machine, the side of the colored lamp film facing the decorative board is glued and fixed with the decorative board through a transparent film.

In the preferred technical solution of the display device of the washing machine described above, the decorative plate is a glass or plastic plate, the area corresponding to the color display icon on the glass or the plastic plate is set as a light-transmitting area, and the other areas are opaque. Light area.

In the above-mentioned preferred technical solution of the display device of the washing machine, the decorative board is an acrylic board.

In the preferred technical solution of the display device of the above washing machine, the washing machine is a pulsator washing machine, and the display device is arranged on the top of the pulsator washing machine.

Those skilled in the art can understand that, in the preferred technical solution of the present invention, the display device of the washing machine is improved from the original monochrome display icon that can only display dots or lines by arranging the color lamp film on the display bracket. It can realize flat or three-dimensional color display icons, enhance the display effect of the washing machine display device, and improve the user experience.

Description of the drawings

The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

Fig. 1 is a schematic structural diagram of a display device of a washing machine in the first embodiment of the present invention;

2 is a schematic diagram of the disassembly of the display device of the washing machine in the first embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a display device of a washing machine according to a second embodiment of the present invention.

Detailed ways

First of all, those skilled in the art should understand that the embodiments described below are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the direction or positional relationship The terminology is based on the direction or position relationship shown in the drawings, which is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the original Limitations of the invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setup", "connected", and "connected" should be interpreted in a broad sense, for example, they may be fixed The connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

Example one

The present invention provides a display device for a washing machine, wherein the washing machine is preferably a drum washing machine, and the display device is arranged on the front panel of the drum washing machine.

As shown in Figures 1 and 2, the washing machine includes a control circuit board (not shown in the figure), the display device includes: a display bracket 4, the control circuit board is arranged in the display bracket 4, and a plurality of installation slots 41 are provided on the display bracket 4; The display lamp group (not shown in the figure) is installed in the installation slot 41 and is electrically connected to the control circuit board; the color lamp film 3 covers the display bracket 4, and a number of colors are provided on the position corresponding to the display lamp group. Icon 31 is displayed. By setting the color lamp film 3 on the display bracket 4, the display device of the washing machine is improved from the original monochrome display icon that can only display dots or lines to the flat or three-dimensional color display icon 31, which improves the washing machine’s performance. The display effect of the display device improves the user experience.

Among them, the display lamp group includes a plurality of LED lamp groups arranged on the control circuit board, and a plurality of color display icons 31 on the color lamp film 3 are respectively set corresponding to a plurality of LED lamp groups. The color graphics display of the display icon of the display device of the washing machine is realized without changing the original LED lamp group, so that the display surface of the entire display device is like a mobile phone screen, and the icons are like the APP icon on the mobile phone. The whole system is like a large color display screen. The display effect of the display device of the washing machine is greatly increased, and the visual effect is greatly improved.

The color display icons 31 printed on the color lamp film 3 may be static small scenes representing each washing process to remind the user of the washing process. For example, a washing machine includes a water intake stage, a washing stage, a rinsing stage, and a dehydration stage. The color display icon 31 in the water intake stage may be an image of a washing tub with an opening on one side, and an arrow image representing the direction of the water flow at the opening indicates that the washing machine is in the water intake stage. The color display icon 31 in the washing stage is that the washing tub image has wavy lines representing the image of water and foam, and the rotating arrow indicates that the water flow is rotating for washing. The difference between the color display icon 31 in the rinsing phase and the color icon in the washing phase is that there is no foam image in the washing tub, and the washing process is in the rinsing phase. The color display icon 31 of the spin-drying stage is an image of laundry without water rotating in the washing tub, which visually indicates that the washing machine is in the spin-drying stage. After the user sets the washing parameters, the washing machine starts to execute the washing program. At this time, when the washing machine reaches that washing stage, the color display icon 31 on the display panel of the washing machine that represents that washing stage lights up, for example, when the washing machine is in the washing stage, Then the color display icon 31 representing the washing stage lights up, and the color display icon 31 representing other washing stages is off or the brightness is lower than the color display icon 31 of the washing stage, so that the user can clearly understand the washing process of the washing machine.

The color lamp film 3 is a PET transparent film. The PET transparent film is provided with a color display icon 31 printed by an offset printing machine. The side of the PET transparent film facing the display bracket 4 is printed with white semi-transparent ink. The color display icon 31 of the display device is printed by a color offset printer, so that the graphics of the color display icon 31 are more refined and have a sense of hierarchy. But at this time the graphics are in a semi-transparent state, and the side of the PET transparent film facing the display bracket 4 is printed with white semi-transparent ink. The white semi-transparent bottom can make the light of the LED lamp illuminate more uniformly on the one hand, and can make the color display icon on the other hand. 31 shows more clearly and increases the display effect.

Further, the area of the PET transparent film where the color display icon 31 is not printed is printed with black opaque ink. Black opaque ink can be printed on the front side (the side facing the display stand 4) or the back side (the side facing the display stand 4) of the PET transparent film, or on the front side of the area where the color display icon 31 is not printed on the PET transparent film Black opaque ink is printed on and on the back. That is, the area of the unprinted color display icon 31 of the color lamp film 3 is printed with black opaque ink to prevent unnecessary light diffusion from affecting the display effect.

In a preferred embodiment, the washing machine adopts a touch control mode. Specifically, as shown in FIG. 2, the display device includes a decorative board 1 and a touch film 2, wherein the touch film 2 is arranged above the color lamp film 3. In addition, the touch film 2 is electrically connected to the control circuit board of the washing machine. The decorative plate 1 is arranged above the touch film 2, and the touch film 2 can be pasted on the inner surface of the decorative plate 1. The touch film 2 is made of light-transmitting material to achieve The touch control of the washing machine implements the touch control of the user on the display surface of the display device of the washing machine to give control instructions to the washing machine, just like manipulating a mobile phone on a smart phone screen.

It should be noted that the color lamp film 3 can be pasted on the display bracket 4, or the color lamp film 3 can also be pasted on the inner surface of the decorative board 1 and stacked on the touch film 2, or, it can be The color lamp film 3 is integrated with the touch film 2 and/or the decorative board 1, and so on. Of course, it is preferable to stick the color lamp film 3 on the display bracket 4.

As shown in FIG. 2, the touch film 2 includes a base film 21 and a wire 22 disposed on the base film 21. A touch key 211 is formed on the base film 21. One end of the wire 22 is connected to the touch key 211, and the other end of the wire 22 is connected to the touch key 211. The control circuit board connection of the washing machine.

In a possible implementation manner, the washing machine adopts a touch spring button touch mode, the touch spring is combined with the display device, the touch spring 5 is arranged on the control circuit board corresponding to the position of the installation slot 41, and several LED light groups are respectively arranged on Control the area enclosed by the bottom of the touch spring on the circuit board. That is, the LED light group is arranged in the touch spring, and the body of the touch spring is arranged to surround the LED light group, so that the display content of the color display icon 31 is in the spring area. The display part overlaps with the control part. For example, when the washing machine is turned on, all the color display icons 31 are displayed at the first brightness. When the user manipulates the touch spring corresponding to the color display icon 31, the color display icons 31 are displayed at a second brightness whose brightness is higher than the first brightness. The display, on the one hand, allows the user to clearly understand which buttons they have manipulated, and on the other hand, it also increases the interest of the user's manipulation.

Wherein, the touch spring may be a cylindrical touch spring or a square columnar touch spring, and the shape of the mounting groove 41 is adapted to the shape of the touch spring. That is, if the touch spring is a cylindrical touch spring, the mounting groove 41 is also a hollow cylindrical mounting groove 41, and the outer diameter of the touch spring is equal to the inner diameter of the mounting groove 41. If the touch spring is a square cylindrical touch spring, the mounting groove 41 is also a hollow square cylindrical mounting groove 41, and the cross-sectional shape of the touch spring is the same as the cross-sectional shape of the mounting groove 41. In order to facilitate the touch, the spring is installed in the installation groove 41.

It should be noted that, in this embodiment, the color lamp film 3 is preferably attached to the inner surface of the decorative board 1. Among them, the colored light film 3 can be glued and fixed with the decorative board 1 by transparent film, and the colored light film 3 can also be glued and fixed with the decorative board 1 by transparent glue. For example, the color light film 3 can be fixed on the side facing the decorative board 1 ( That is, the front side of the color lamp film 3) apply glue to the area where the color display icon 31 is not printed, and/or apply glue to the opaque area on the side of the decorative plate 1 facing the color lamp film 3 (that is, the back of the decorative plate 1) to make The purpose of cementing and fixing the color lamp film 3 with the glass.

As shown in FIG. 2, the decorative plate 1 is a glass plate or a plastic plate. The area on the glass or plastic plate corresponding to the color display icon 31 is set as a light-transmitting area 11, and the other areas are opaque areas. Among them, the decorative board 1 is preferably a plastic board, and preferably an acrylic board.

Further, the cabinet of the washing machine is provided with a connecting groove for installing the display bracket 4, and the display bracket 4 is fixed by clamping, screwing, or cementing with the connecting groove to realize a fixed connection between the display device and the washing machine. The opening depth of the connecting groove is equal to or slightly larger than the thickness of the display bracket 4 to ensure that the display bracket 4 is completely installed in the connecting groove and the appearance of the washing machine is ensured.

In a possible implementation, the connecting groove is integrally formed with the box of the washing machine, that is, the connecting groove is a groove opened on the box of the washing machine for installing the display bracket 4, and the depth of the groove is equal to or slightly larger than The thickness of the display bracket is to accommodate the display bracket 4, and the shape of the groove is the same as that of the display bracket 4, so that the display bracket 4 just fills the groove without affecting the appearance of the washing machine. The connecting groove is opened on the box of the washing machine, so the installation link of the connecting groove and the box of the washing machine is omitted, and the production efficiency of the washing machine is improved.

In another possible embodiment, the connecting groove is fixedly connected to the cabinet of the washing machine. Exemplarily, the washing box is provided with an accommodating groove for installing the accommodating connecting groove. The connecting groove can be installed in the accommodating groove by snap connection or screw connection, and the connecting groove and the washing machine box are detachable The connection method facilitates the maintenance and replacement of the display device. Of course, the connection tank and the cabinet of the washing machine can also be glued and fixed.

The decorative board 1 is fixedly connected with the cabinet of the washing machine through the connecting groove. Specifically, the shape of the decorative board 1 matches the shape of the notch of the connecting groove, a connecting step for installing the decorative board 1 is provided on the groove wall of the connecting groove, the decorative board 1 is glued and fixed to the connecting groove, and the back of the decorative board 1 One side of the display bracket 4 is flush with the notch of the connecting groove, so that the arrangement of the decorative board 1 does not affect the appearance of the washing machine.

In summary:

When the washing machine adopts the touch film control method, as shown in Figure 2, the display device includes a decorative board 1, a touch film 2, a color lamp film 3, a display bracket 4, and a display lamp group arranged in sequence. The touch film 2 is generally pasted On the inner surface of the decorative board 1, the color lamp film 3 is generally pasted on the display bracket 4, and the display lamp group is also arranged on the display bracket 4. In this way, the decorative board 1 and the touch film 2 form the first assembly, the color lamp The film 3, the display bracket 4 and the display lamp group form a second assembly. The first assembly and the second assembly are fixed by the connecting groove. After installation, the touch film 2 is just attached to the upper surface of the color lamp film 3. Each color display icon 31 on the color lamp film 3 corresponds to a touch key 211. When the user touches the color display icon 31 displayed on the decorative board 1, the touch key 211 corresponding to the color display icon 31 is triggered, namely Can issue corresponding control commands to the washing machine.

When the washing machine adopts the touch spring control method, the display device includes a decorative plate 1, a transparent film, a color lamp film 3, a display bracket 4, a touch spring and a display lamp group arranged in sequence, wherein the color lamp film 3 is pasted on the transparent film The inner surface of the decorative board 1 constitutes a first assembly body. The touch spring and the display lamp group are both arranged on the display bracket 4 to form a second assembly body. The first assembly body and the second assembly body are then fixed by the connecting groove, and the installation After finishing, the touch end of the touch spring (equivalent to the touch key of the touch film) just abuts on the color lamp film 3. The other end of the touch spring is connected to the control circuit board of the washing machine, and each color display on the color lamp film 3 The icon 31 corresponds to a touch spring. When the user touches the color display icon 31 displayed on the decorative board 1, the touch spring corresponding to the color display icon 31 is triggered, that is, the corresponding control command can be issued to the washing machine.

Example two

The present invention provides a display device for a washing machine, wherein the washing machine is preferably a pulsator washing machine, and the display device is arranged on the top of the pulsator washing machine.

As shown in Figure 3, the washing machine includes a control circuit board (not shown in the figure), the display device includes: a display bracket 4, the control circuit board is arranged in the display bracket 4, the display bracket 4 is provided with a number of installation slots 4.1; The group (not shown in the figure) is installed in the installation slot 4.1 and is electrically connected to the control circuit board; the color lamp film 3, which covers the display bracket 4, is provided with several color display icons corresponding to the position of the display lamp group 3.1. By setting the color lamp film 3 on the display bracket 4, the display device of the washing machine is improved from the original monochrome display icon that can only display dots or lines to the flat or three-dimensional color display icon 3.1, which improves the washing machine display device The display effect can improve the user experience.

Among them, the display light group includes a number of LED light groups arranged on the control circuit board, and a number of color display icons 3.1 on the color lamp film 3 are respectively set corresponding to a number of LED light groups. The color graphics display of the display icon of the display device of the washing machine is realized without changing the original LED lamp group, so that the display surface of the entire display device is like a mobile phone screen, and the icons are like the APP icon on the mobile phone. The whole system is like a large color display screen. The display effect of the display device of the washing machine is greatly increased, and the visual effect is greatly improved.

The color display icon 3.1 printed on the color lamp film 3 is a static small scene representing each washing process to remind the user of the washing process. For example, a washing machine includes a water intake stage, a washing stage, a rinsing stage, and a dehydration stage. Then the color display icon 3.1 in the water intake stage can be an image of a washing tub with an opening on one side, and an arrow image representing the direction of the water flow at the opening indicates that the washing machine is in the water intake stage. The color display icon 3.1 in the washing stage is that the washing tub image has a wavy line representing the image of water and foam, and the rotating arrow indicates that the water flow is rotating for washing. The difference between the color display icon 3.1 in the rinsing stage and the color icon in the washing stage is that there is no foam image in the washing tub, and the washing process is in the rinsing stage. The color display of the spin-drying stage Icon 3.1 is the image of laundry without water rotating in the washing tub, which visually indicates that the washing machine is in the spin-drying stage. After the user sets the washing parameters, the washing machine starts to execute the washing program. At this time, when the washing machine reaches that washing stage, the color display icon 3.1 on the display panel of the washing machine that represents that washing stage lights up. For example, when the washing machine is in the washing stage, Then the color display icon 3.1 representing the washing stage lights up, and the color display icon 3.1 representing other washing stages is off or the brightness is lower than the color display icon 3.1 at the washing stage, so that the user can clearly understand the washing process of the washing machine.

Among them, the color lamp film 3 is a PET transparent film, the PET transparent film is provided with a color display icon 3.1 printed by an offset printing machine, and the side of the PET transparent film facing the display bracket 4 is printed with white translucent ink. The color display icon 3.1 of the display device is printed by a color offset printer, so that the graphics of the color display icon 3.1 are more refined and have a sense of hierarchy. But at this time the graphic is in a semi-transparent state, and the PET transparent film is printed with white semi-transparent ink on the side facing the display bracket 4. The white semi-transparent bottom can make the light of the LED lamp illuminate more uniformly, and on the other hand, it can make the color display icon 3.1 The display is clearer and the display effect is increased.

Further, the area of the PET transparent film where the color display icon 3.1 is not printed is printed with black opaque ink. Black opaque ink can be printed on the front side (the side facing the display stand 4) or the back side (the side facing the display stand 4) of the PET transparent film, or on the front side and the area where the color display icon 3.1 is not printed on the PET transparent film Black opaque ink is printed on the back. That is, the unprinted color display icon 3.1 area of the color lamp film 3 is printed with black opaque ink to prevent unnecessary diffusion of light from affecting the display effect.

In a possible implementation, as shown in FIG. 3, the washing machine adopts a touch spring 5 key touch mode, the touch spring 5 is combined with the display device, and the control circuit board is provided with a touch spring 5 corresponding to the position of the installation slot 4.1. The LED light groups are respectively arranged in the area enclosed by the bottom of the touch spring 5 on the control circuit board. That is, the LED light group is arranged in the touch spring 5, and the body of the touch spring 5 is arranged to surround the LED light group, so that the display content of the color display icon 3.1 is in the spring area. The display part overlaps with the control part. For example, when the washing machine is turned on, all the color display icons 3.1 are displayed at the first brightness. When the user manipulates the touch spring 5 corresponding to the color display icon 3.1, the color display icon 3.1 is displayed at a second brightness higher than the first brightness. Displaying, on the one hand, allows the user to clearly understand which buttons they have manipulated, and on the other hand, it also increases the interest of the user's manipulation.

Wherein, the touch spring 5 may be a cylindrical touch spring 5 or a square columnar touch spring 5, and the shape of the mounting groove 4.1 is adapted to the shape of the touch spring 5. That is, if the touch spring 5 is a cylindrical touch spring 5, the mounting groove 4.1 is also a hollow cylindrical mounting groove 4.1, and the outer diameter of the touch spring 5 is equal to the inner diameter of the mounting groove 4.1. If the touch spring 5 is a square cylindrical touch spring 5, the mounting groove 4.1 is also a hollow square cylindrical mounting groove 4.1, and the cross-sectional shape of the touch spring 5 is the same as the cross-sectional shape of the mounting groove 4.1. In order to facilitate the touch, the spring 5 is installed in the installation groove 4.1.

In another possible embodiment, the washing machine adopts a touch film control method. A touch film is provided on the color lamp film 3, and the touch film is electrically connected to the control circuit board. The touch film is made of light-transmitting material to realize the touch of the washing machine. Control, realize that the user touches on the display surface of the display device of the washing machine to give control instructions to the washing machine, just like manipulating a mobile phone on the screen of a smart phone.

Among them, the touch film generally includes a base film and a wire arranged on the base film. The base film is formed with a touch key, one end of the wire is connected to the touch key, and the other end of the wire is connected to the control circuit board of the washing machine.

Further, the cabinet of the washing machine is provided with a connecting groove 6 for installing the display bracket 4, and the display bracket 4 and the connecting groove 6 are clamped or fixed by screwing or glued. Realize the fixed connection between the display device and the washing machine. The opening depth of the connecting groove 6 is equal to or slightly larger than the thickness of the display bracket 4 to ensure that the display bracket 4 is completely installed in the connecting groove 6 to ensure the beauty of the washing machine.

In a possible implementation, the connecting groove 6 is integrally formed with the box of the washing machine, that is, the connecting groove 6 is a groove opened on the box of the washing machine for installing the display bracket 4, and the depth of the groove is equal to or It is slightly larger than the thickness of the display bracket to accommodate the display bracket 4, and the shape of the groove is the same as that of the display bracket 4, so that the display bracket 4 just fills the groove without affecting the appearance of the washing machine. The connecting groove 6 is opened on the box body of the washing machine, so the installation link of the connecting groove 6 and the box body of the washing machine is omitted, and the production efficiency of the washing machine is improved.

In another possible embodiment, the connecting groove 6 is fixedly connected to the cabinet of the washing machine. The washing box is provided with a receiving groove for installing the receiving connecting groove 6. The connecting groove 6 can be installed in the receiving groove by snap connection or screw connection, and the connecting groove 6 is detachably connected with the box of the washing machine. The way to facilitate the maintenance and replacement of the display device. Of course, the connecting groove 6 and the cabinet of the washing machine can also be fixed by glue.

As shown in FIG. 3, the display device further includes a decorative board 1 located above the color lamp film 3. The area on the decorative board 1 corresponding to the color display icon 3.1 is set as a light-transmitting area, and the other areas are opaque areas. Among them, the decorative board 1 may be a glass or plastic board, preferably a plastic board, and preferably an acrylic board.

As shown in FIG. 3, in a preferred embodiment, the color lamp film 3 faces the decorative board 1 and is glued and fixed to the decorative board 1 through a transparent film 2. The decorative board 1 is fixedly connected with the cabinet of the washing machine through the connecting groove 6. Specifically, as shown in FIG. 3, the shape of the decorative board 1 matches the shape of the notch 6.1 of the connecting groove 6, and a connecting step for installing the decorative board 1 is provided on the groove wall of the connecting groove 6, and the decorative board 1 is connected to The groove 6 is glued and fixed, and the side of the decorative plate 1 facing away from the display bracket 4 is flush with the notch 6.1 of the connecting groove 6, so that the arrangement of the decorative plate 1 does not affect the appearance of the washing machine.

Among them, the area of the color display icon 3.1 on the transparent film 2 corresponding to the color lamp film 3 is set as a transparent area to facilitate the light transmission, and the area of the color display icon 3.1 on the transparent film 2 that does not correspond to the color lamp film 3 is set to be opaque . Specifically, black opaque ink can be printed on the transparent film 2 that does not correspond to the color display icon 3.1 of the color lamp film 3 to achieve the purpose of opacity, and further prevent the disorderly diffusion of light. Of course, an opaque black film can also be glued to the area of the transparent film 2 that does not correspond to the color display icon 3.1 of the color lamp film 3 to achieve the purpose of opacity and prevent the disorderly diffusion of the lights of the display lamp group.

In another possible implementation manner, the side of the colored lamp film 3 facing the decorative board 1 can also be glued and fixed to the decorative board 1 by transparent glue. Specifically, glue can be applied to the area where the color display icon 3.1 is not printed on the side of the colored lamp film 3 facing the decorative plate 1 (that is, the front side of the colored lamp film 3), and/or the side of the decorative plate 1 facing the colored lamp film 3 ( That is, the opaque area on the back of the decorative board 1) is coated with glue for the purpose of cementing and fixing the color lamp film 3 and the glass.

In summary:

When the washing machine adopts the touch film control method, the display device includes a decorative board 1, a touch film, a color lamp film 3, a display bracket 4, and a display lamp group arranged in sequence. The touch film is generally pasted on the inner surface of the decorative board 1. The color lamp film 3 is generally pasted on the display bracket 4, and the display lamp group is also set on the display bracket 4. In this way, the decorative board 1 and the touch film form the first assembly, the color lamp film 3, the display bracket 4 and the display lamp The second assembly is composed of the first assembly and the second assembly. The first assembly and the second assembly are then fixed by the connecting groove 6. After installation, the touch film is just attached to the upper surface of the color lamp film 3, and each of the color lamp films 3 The color display icon 3.1 corresponds to a touch key. When the user touches the color display icon 3.1 displayed on the decorative board 1, the touch key corresponding to the color display icon 3.1 is triggered, that is, the corresponding control instruction can be issued to the washing machine.

When the washing machine adopts the touch spring control mode, as shown in Fig. 3, the display device includes a decorative plate 1, a transparent film 2, a color lamp film 3, a display bracket 4, a touch spring 5 and a display lamp group, which are arranged in sequence. The lamp film 3 is pasted on the inner surface of the decorative board 1 through the transparent film 2 to form a first assembly. The touch spring 5 and the display lamp group are both arranged on the display bracket 4 to form a second assembly, the first assembly and the second assembly. The assembly is then fixed by the connecting groove 6. After installation, the touch end of the touch spring 5 (equivalent to the touch key of the touch film) just abuts on the color lamp film 3, and the other end of the touch spring 5 is connected to the control circuit of the washing machine. Board connection, each color display icon 3.1 on the color lamp film 3 corresponds to a touch spring 5. When the user touches the color display icon 3.1 displayed on the decorative board 1, the touch spring 5 corresponding to the color display icon 3.1 is triggered , Which can issue corresponding control commands to the washing machine.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (20)

A display device of a washing machine, the washing machine includes a control circuit board, characterized in that the display device includes: A display bracket, the control circuit board is arranged in the display bracket, and a plurality of installation slots are provided on the display bracket; A display lamp group, which is installed in the installation slot and is electrically connected to the control circuit board; Colored lamp film, which covers the display bracket, on which a number of color display icons are arranged at positions corresponding to the display lamp group; A touch film, which is arranged above the color lamp film and is electrically connected to the control circuit board; and The decorative board is arranged above the touch film. The display device of the washing machine according to claim 1, wherein the display lamp group includes a plurality of LED lamp groups arranged on the control circuit board, and the color display icons are respectively set corresponding to the LED lamp groups. The display device of the washing machine according to claim 2, wherein the color lamp film is a PET transparent film, and at least in the area where the color display icon is displayed, the PET transparent film is printed with white color on the side facing the display bracket. Semi-transparent ink. The display device of the washing machine according to claim 3, wherein the area of the PET transparent film where the color display icon is not printed is printed with black opaque on the side facing and/or facing away from the display bracket Light ink. The display device of the washing machine according to claim 1, wherein a connecting groove for installing the display bracket is provided on the cabinet of the washing machine, and the display bracket is fixed or screwed to the connecting groove. Fixed or cemented. The display device of a washing machine according to claim 5, wherein the shape of the decorative plate is adapted to the shape of the slot of the connecting groove, and the groove wall of the connecting groove is provided with a groove for installing the The connecting step of the decorative board, the side of the decorative board facing away from the display bracket is flush with the notch of the connecting groove. The display device of the washing machine according to any one of claims 1 to 6, wherein the decorative plate is a glass plate or a plastic plate, and the glass plate or the plastic plate corresponds to the color display icon The area is set as a light-transmitting area, and the other areas are opaque areas. 8. The display device of the washing machine according to claim 7, wherein the decorative board is an acrylic board. The display device of a washing machine according to any one of claims 1 to 6, wherein the touch film comprises a base film and wires arranged on the base film, and touch keys are formed on the base film, One end of the wire is connected to the touch key, and the other end of the wire is connected to the control circuit board. The display device of a washing machine according to any one of claims 1 to 6, wherein the washing machine is a drum washing machine, and the display device is provided on a front panel of the drum washing machine. A display device of a washing machine, the washing machine includes a control circuit board, characterized in that the display device includes: A display bracket, the control circuit board is arranged in the display bracket, and a plurality of installation slots are provided on the display bracket; A display lamp group, which is installed in the installation slot and is electrically connected to the control circuit board; Colored lamp film, which covers the display bracket, on which a number of color display icons are arranged at positions corresponding to the display lamp group; A touch spring, which is arranged on the control circuit board at a position corresponding to the installation slot; and The decorative board is arranged above the color lamp film. The display device of the washing machine according to claim 11, wherein the display lamp group includes a plurality of LED lamp groups arranged on the control circuit board, and the color display icons are respectively set corresponding to the LED lamp groups. The display device of the washing machine according to claim 12, wherein the color lamp film is a PET transparent film, and at least in the area where the color display icon is displayed, the PET transparent film is printed with white color on the side facing the display bracket. Semi-transparent ink. The display device of the washing machine according to claim 13, wherein the area of the PET transparent film where the color display icon is not printed is printed with black opaque on the side facing and/or facing away from the display bracket Light ink. The display device of the washing machine according to claim 11, wherein a connecting groove for installing the display bracket is provided on the cabinet of the washing machine, and the display bracket is fixed or screwed to the connecting groove. Fixed or cemented. The display device of the washing machine according to claim 15, wherein the shape of the decorative board matches the shape of the slot of the connecting groove, and the groove wall of the connecting groove is provided with a groove for installing the The connecting step of the decorative board, the side of the decorative board facing away from the display bracket is flush with the notch of the connecting groove. The display device of the washing machine according to claim 11, wherein the side of the colored lamp film facing the decorative board is glued and fixed with the decorative board through a transparent film. The display device of a washing machine according to any one of claims 11 to 17, wherein the decorative plate is a glass or plastic plate, and the glass or the plastic plate is provided in an area corresponding to the color display icon It is a light-transmitting area, and the other areas are opaque areas. The display device of a washing machine according to claim 18, wherein the decorative board is an acrylic board. The display device of a washing machine according to any one of claims 11 to 17, wherein the washing machine is a pulsator washing machine, and the display device is arranged on the top of the pulsator washing machine.

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