CN219916326U - Display touch screen and household appliance - Google Patents

Abstract

The utility model belongs to the technical field of household appliances, and discloses a display touch screen and a household appliance, wherein the display touch screen comprises an electric control board unit and a light guide display unit, and a light source assembly is arranged on the electric control board unit; the light guide display unit is overlapped on the electric control plate unit and comprises a light guide plate assembly and display icons arranged on the light guide plate assembly, and the light source assembly is positioned on the side face of the light guide plate assembly. The light emitted by the light source assembly is transmitted to the light guide plate assembly to illuminate the display icons arranged on the light guide plate assembly. The display touch screen adopts the side-lighting mode to light the display icon on the light guide plate assembly due to the fact that the light source assembly is arranged on one side of the light guide plate assembly, the light source assembly and the display icon do not need to be arranged at intervals in the thickness direction of the display touch screen, and compared with the light source assembly which emits light positively and is arranged on an electric control plate in the prior art, the light and thin display touch screen can be realized, the number of lamps is reduced, the cost is reduced, the assembly process is simple, and the production period is shortened.

Description

Display touch screen and household appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to a display touch screen and a household appliance.

Background

The household appliances such as the washing machine, the clothes dryer, the microwave oven and the like are all provided with display touch screens, and after the electric appliance is electrified, the display touch screens display corresponding program icons and/or parameter icons, such as wool washing degree icons, down washing program icons, temperature icons, drum rotating speed icons and the like, and a user can select corresponding programs or adjust corresponding parameters by pressing the icon positions.

The existing touch display screen mostly comprises a touch membrane, a front control board and an LED module, the support of the LED module is independently opened according to different requirements of the display board for displaying icons, the manufacturing period is long, the support of the LED module and the position of an LED lamp need to be spaced, the display effect is good, the thickness of the display board is increased due to the arrangement of the spacing, the thickness of the whole touch display screen is increased, and the development trend of lightening and thinning of the display screen is not facilitated. Moreover, if larger icons are provided, the number of LED lamps to be used will be greater, and the cost will also rise substantially. In addition, the existing touch display screen assembly process is also complex, the front control board needs to be glued and pressure-maintained, the touch membrane and the color film are matched for use, and also needs to be glued and installed independently, so that the assembly process is complex, and the production period is long.

Therefore, a display touch screen and a home appliance are needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a display touch screen and a household appliance, which can realize the light and thin display touch screen, reduce the overall cost of the display touch screen, simplify the assembly process and accelerate the production efficiency of the display touch screen.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in one aspect, a display touch screen is provided, including:

the electric control board unit is provided with a light source assembly in a conductive manner;

the light guide display unit is overlapped on the electric control plate unit and comprises a light guide plate assembly and display icons arranged on the light guide plate assembly, and the light source assembly is positioned on the side face of the light guide plate assembly.

The light emitted by the light source assembly is transmitted to the light guide plate assembly to illuminate the display icons arranged on the light guide plate assembly. The display touch screen adopts the side-lighting mode to light the display icon on the light guide plate assembly because the light source assembly is arranged on one side of the light guide plate assembly, and the light source assembly and the display icon do not need to be arranged at intervals in the thickness direction of the display touch screen. Due to the arrangement of the light guide plate assembly, the number of lamps in the light source assembly can be reduced, the display effect is ensured, and meanwhile, the overall cost of the display touch screen is reduced. In addition, the working procedure that the support of the light source assembly is required to be independently opened for different display panels in the prior art is saved, the assembly process is simplified, and the production efficiency of the display touch screen is quickened.

As the preferable scheme of the display touch screen provided by the utility model, the light guide plate assembly comprises a plurality of light guide display plates, and each light guide display plate is provided with a single display icon;

the display touch screen further comprises an isolation support, a plurality of isolation areas are arranged on the isolation support in a hollowed-out mode, and a plurality of light guide display plates are embedded in the isolation areas in a one-to-one correspondence mode.

As the preferable scheme of the display touch screen provided by the utility model, the material of the isolation bracket is an insulating material; or alternatively, the process may be performed,

the display touch screen further comprises an insulating plate, and the insulating plate is stacked on one side, opposite to the electric control plate unit, of the isolation support.

As the preferable scheme of the display touch screen provided by the utility model, one side of the isolation support, which is away from the electric control board unit, is flush with the light guide display board, and the display touch screen further comprises a waterproof film, and the waterproof film is attached to one side of the isolation support, which is away from the electric control board unit.

As the preferable scheme of the display touch screen provided by the utility model, the display touch screen further comprises a nixie tube, the nixie tube is arranged on the electric control board unit in a conductive mode, a hollowed-out support is arranged on the isolating support at a position opposite to the nixie tube, and the hollowed-out area of the hollowed-out support can at least expose the display area of the nixie tube.

As the preferable scheme of the display touch screen provided by the utility model, the electric control board unit is provided with the induction touch layer in the area opposite to the display icon, and the induction touch layer is used for inducing the pressing operation of a user.

As the preferable scheme of the display touch screen provided by the utility model, one side of the light guide plate component, which is away from the electric control plate unit, is provided with the light mixing film.

As the preferable scheme of the display touch screen provided by the utility model, the display icons are printed on the light guide plate component; or alternatively, the process may be performed,

the display icon is engraved on the light guide plate component; or alternatively, the process may be performed,

the light guide plate assembly comprises a first plate and a second plate which are overlapped, and the display icon is clamped between the first plate and the second plate.

As the preferable scheme of the display touch screen provided by the utility model, the display touch screen further comprises a shell which defines an installation cavity, the electric control board unit and the light guide display unit are installed in the installation cavity in a sealing mode, a display window communicated with the installation cavity is arranged on the shell, and the display window is used for exposing the display icons.

In another aspect, there is provided a household appliance comprising a mounting housing and a display touch screen as described above, the display touch screen being mounted on the mounting housing.

The utility model has the beneficial effects that:

the utility model provides a display touch screen and a household appliance comprising the same. The display touch screen adopts the side-lighting mode to light the display icon on the light guide plate assembly because the light source assembly is arranged on one side of the light guide plate assembly, and the light source assembly and the display icon do not need to be arranged at intervals in the thickness direction of the display touch screen. Due to the arrangement of the light guide plate assembly, the number of lamps in the light source assembly can be reduced, the display effect is ensured, and meanwhile, the overall cost of the display touch screen is reduced. In addition, the working procedure that the support of the light source assembly is required to be independently opened for different display panels in the prior art is saved, the assembly process is simplified, and the production efficiency of the display touch screen is quickened.

Drawings

FIG. 1 is an exploded view of a display touch screen provided in accordance with an embodiment of the present utility model;

FIG. 2 is an exterior view of a housing provided in accordance with an embodiment of the present utility model;

fig. 3 is an interior view of a housing provided in accordance with an embodiment of the present utility model.

In the figure:

1. an electric control board unit; 2. a light guide display unit; 3. an isolation bracket; 4. a waterproof membrane; 5. a housing;

11. a light source assembly; 111. an LED lamp;

21. a light guide display panel;

31. isolating the frame edges; 32. a hollow bracket;

51. displaying a window; 52. a panel; 53. a side plate; 54. reinforcing ribs; 55. and (5) mounting an ear plate.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the present embodiment provides a display touch screen, which includes an electric control board unit 1 and a light guide display unit 2.

Wherein, the electric control board unit 1 is provided with a light source component 11 in a conductive way. The light guide display unit 2 is stacked on the electric control board unit 1, the light guide display unit 2 comprises a light guide board assembly and display icons arranged on the light guide board assembly, and the light source assembly 11 is positioned on the side face of the light guide board assembly.

In the display touch screen provided in this embodiment, the electronic control board unit 1 can light the light source component 11 electrically conductive and arranged thereon, and the light emitted by the light source component 11 is transmitted to the light guide board component to illuminate the display icon arranged on the light guide board component. This display touch screen adopts the side luminous mode to light up the demonstration icon on the light guide plate subassembly owing to set up light source subassembly 11 in the one side of light guide plate subassembly, and light source subassembly 11 need not to set up the interval with the demonstration icon in the thickness direction that shows the touch screen, compares in prior art on the automatically controlled board set up positive luminous light source subassembly 11, can realize showing the frivolity of touch screen. Due to the arrangement of the light guide plate assembly, the number of lamps in the light source assembly 11 can be reduced, and the overall cost of the display touch screen is reduced while the display effect is ensured. In addition, the process of independently opening the die for the brackets of the light source assembly 11 required by different display panels in the prior art is saved, the assembly process is simplified, and the production efficiency of the display touch screen is quickened.

In this embodiment, the display icon is directly disposed on the light guide plate assembly, so that higher resolution can be obtained, and the display icon is clearer.

As shown in fig. 1, the light source assembly 11 includes a plurality of LED lamps 111. The LED lamp 111 is conductively disposed on the electronic control board unit 1. In the prior art, the LED module adopts a positive light emitting mode and is arranged below the display panel with the display icons, and an interval is required to be arranged between the LED module and the display panel, so that a bracket is arranged to realize the interval, and the display touch screen is thickened. In this embodiment, the LED lamp 111 is disposed at one side of the light guide plate assembly, and illuminates the display icon through the light guide plate assembly, so as to realize light and thin display touch screen.

Specifically, a row of LED lamps 111 are provided on the electronic control board unit 1 on both sides of the light guide display unit 2 in the width direction; or, a row of LED lamps 111 are disposed on both sides of the light guide display unit 2 along the length direction on the electronic control board unit 1, and the arrangement of the display icons is specifically only required.

Referring to fig. 2 and 3, the display touch screen further includes a housing 5 defining a mounting cavity, the electronic control board unit 1 and the light guide display unit 2 are hermetically mounted in the mounting cavity, a display window 51 communicating with the mounting cavity is provided on the housing 5, and the display window 51 is used for exposing display icons. After the electric control board unit 1 and the light guide display unit 2 are installed in the installation cavity in a sealing way, the shell 5 is installed on the installation shell of the household appliance.

Specifically, referring to fig. 3, the housing 5 includes a panel 52 and a side plate 53 disposed in a circumferential direction of the panel 52, and the panel 52 and the side plate 53 enclose a mounting cavity. A plurality of reinforcing ribs 54 are also provided between the panel 52 and the side plate 53 to ensure the strength of the entire housing 5 and avoid deformation of the housing 5. The housing 5 is also provided on both sides with mounting lugs 55 for fixed connection with a mounting housing of the household appliance.

Referring to fig. 1, the light guide plate assembly includes a plurality of light guide display plates 21, and a single display icon is provided on each of the light guide display plates 21. That is, each display icon is provided with a light guide display panel 21. The display touch screen further comprises an isolation support 3, a plurality of isolation areas are arranged on the isolation support 3 in a hollowed-out mode, and a plurality of light guide display plates 21 are embedded in the isolation areas in a one-to-one correspondence mode. The isolation support 3 is provided with a plurality of isolation areas through the hollowed-out parts, an isolation frame edge 31 is formed between the isolation areas, and adjacent light guide display plates 21 are separated through the isolation frame edge 31, so that light-tight and light-free display icons are respectively displayed, patterns of each display icon are individually sealed, the effect of a lamp box is achieved, and the brightness and the definition of a single display icon are guaranteed.

Because each display icon is separately provided with a quick light guide display panel 21, the size of the light guide display panel 21 can be adaptively adjusted according to the size of the designed display icon, and the size of the isolation area on the isolation support 3 is adaptively set according to the size of the light guide display panel 21.

Referring to fig. 1, a group of LED lamps 111 are centrally disposed on the electronic control board unit 1 at positions opposite to the light guide display board 21, and after the size of the light guide display board 21 is increased (due to the large display icons being disposed), a small number of LED lamps 111 are adaptively added on the electronic control board unit 1.

Preferably, the side of the isolation support 3 facing away from the electric control board unit 1 is flush with the light guide display board 21, and the display touch screen further comprises a waterproof film 4, and the waterproof film 4 is attached to the side of the isolation support 3 facing away from the electric control board unit 1. Since the plurality of light guide display panels 21 are provided, a gap exists between the plurality of light guide display panels 21, resulting in that the side of the entire light guide display unit 2 facing away from the electronic control panel unit 1 is not flush. Through setting up the isolation support 3 that can inlay and establish light guide display panel 21 for the isolation frame limit 31 of isolation support 3 fills in the space between light guide display panel 21, and with light guide display panel 21 parallel and level, that is, isolation support 3 and a plurality of light guide display panel 21 form a level face in the side of automatically controlled board unit 1 dorsad, be convenient for laminate with water proof film 4. The waterproof film 4 can prevent the display window 51 of the housing 5 from leaking water and prevent the electronic control board unit 1 from being shorted.

Preferably, a light mixing film is arranged on one side of the light guide plate assembly, which faces away from the electric control plate unit 1, so that the illumination uniformity is improved, and the whole display icon can be uniformly illuminated.

In some embodiments, the material of the isolation support 3 is an insulating material, such as insulating plastic, so as to improve the use safety and avoid the risk of electric shock.

In other embodiments, the display touch screen further comprises an insulating plate, and the insulating plate is stacked on one side of the isolation support 3, which is opposite to the electric control plate unit 1. The insulating plate is illustratively an insulating glass plate, which is disposed at the display window 51 of the housing 5, and the insulating glass plate is provided with the waterproof film 4 described above on the side facing the insulating holder 3 in a laminated manner, so that the insulating effect can be achieved as well. Moreover, the insulating glass plate has high strength, the strength of the whole display touch screen is improved, and at the moment, the isolation support 3 can be made of common foam, so that the cost is low.

The display touch screen further comprises a nixie tube for displaying numbers, and the nixie tube is provided with LEDs, so that the nixie tube is directly arranged on the electric control board unit 1 in a conductive mode, and the light guide display board 21 is not needed. Further, referring to fig. 1, a hollowed-out support 32 is disposed on the isolating support 3 at a position opposite to the nixie tube, and a hollowed-out area of the hollowed-out support 32 can at least expose a display area of the nixie tube. Two 8-shaped isolating brackets 3 in the middle of the figure 1 are hollow areas of the hollow brackets 32 and are used for displaying the 8-shaped nixie tubes. The 8-shaped nixie tube is a mature technology and is not described in detail here.

Further, a layer of shading film is covered on the hollowed-out support 32 to prevent the nixie tube from being too bright.

The display touch screen is applied to a washing machine and can be used for displaying data such as washing time, temperature and the like. As shown in fig. 1, a plurality of small-sized display icons are arranged around the circumference of the hollow bracket 32, for example, including parameter icons such as water level, time, rotation speed, temperature, etc.; the left and right sides of the small-sized display icon are provided with a plurality of large-sized display icons including, for example, a drying icon, a wool washing icon, a down washing icon, and the like.

In this embodiment, an induction touch layer is disposed on the electric control board unit 1 in a region opposite to the icon display, and the induction touch layer is used for sensing the pressing operation of the user. The induction touch layer is directly arranged on the electric control board unit 1, so that a touch film in the prior art is saved, the processing technology is optimized, and the cost is reduced. The sensing contact layer in the embodiment is a copper foil contact film; of course, the contact layer formed by conductive silver paste and conductive foam can also be used.

In this embodiment, the touch area for setting the display icon adopts the technical scheme of the light guide display panel 21+the copper foil touch film+the light mixing film, and the non-touch area for setting the nixie tube adopts the technical scheme of the hollow bracket 32+the light shielding film, so that the design is more reasonable, and the process for displaying the touch screen is optimized.

Alternatively, the display icon may be printed on the light guide plate assembly. Alternatively, the display icon may be engraved on the light guide plate assembly. Still alternatively, the light guide plate assembly may include a first plate and a second plate stacked together, and the display icon is sandwiched between the first plate and the second plate, so that the display icon and the light guide plate assembly are fused together, thereby improving resolution.

The present embodiment also provides a household appliance (e.g., a washing machine) comprising a mounting housing and a display touch screen as described above, the display touch screen being mounted on the mounting housing. Specifically, be provided with on the installation casing and hold the chamber, show that the touch-sensitive screen is installed in holding the intracavity, and the panel 52 of showing touch-sensitive screen shell 5 is parallel and level with the outer wall of installation casing, ensures domestic appliance's aesthetic measure.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Display touch screen, its characterized in that includes:

the electronic control board unit (1), the electronic control board unit (1) is provided with a light source assembly (11) in a conductive manner;

the light guide display unit (2) is overlapped on the electric control board unit (1), the light guide display unit (2) comprises a light guide board assembly and display icons arranged on the light guide board assembly, and the light source assembly (11) is positioned on the side face of the light guide board assembly.

2. The display touch screen according to claim 1, wherein the light guide plate assembly comprises a plurality of light guide display plates (21), and a single display icon is arranged on each light guide display plate (21);

the display touch screen further comprises an isolation support (3), a plurality of isolation areas are hollowed out on the isolation support (3), and a plurality of light guide display plates (21) are embedded in the isolation areas in a one-to-one correspondence mode.

3. A display touch screen according to claim 2, characterized in that the material of the isolating support (3) is an insulating material; or alternatively, the process may be performed,

the display touch screen further comprises an insulating plate, and the insulating plate is stacked on one side, opposite to the electric control plate unit (1), of the isolation support (3).

4. The display touch screen according to claim 2, wherein one side of the isolation support (3) facing away from the electric control board unit (1) is flush with the light guide display board (21), and the display touch screen further comprises a waterproof membrane (4), and the waterproof membrane (4) is attached to one side of the isolation support (3) facing away from the electric control board unit (1).

5. The display touch screen according to claim 2, further comprising a nixie tube, wherein the nixie tube is arranged on the electric control board unit (1) in a conductive manner, a hollowed-out support (32) is arranged on the isolating support (3) at a position opposite to the nixie tube, and a hollowed-out area of the hollowed-out support (32) can at least expose a display area of the nixie tube.

6. The display touch screen according to any one of claims 1 to 5, wherein an induction touch layer is provided on the electronic control board unit (1) in a region facing the display icon, the induction touch layer being for inducing a pressing operation by a user.

7. The display touch screen according to any one of claims 1-5, wherein a light mixing film is arranged on a side of the light guide plate assembly facing away from the electronic control plate unit (1).

8. The display touch screen of any one of claims 1-5, wherein,

the display icon is printed on the light guide plate component; or alternatively, the process may be performed,

the display icon is engraved on the light guide plate component; or alternatively, the process may be performed,

the light guide plate assembly comprises a first plate and a second plate which are overlapped, and the display icon is clamped between the first plate and the second plate.

9. The display touch screen according to any one of claims 1 to 5, further comprising a housing (5) defining a mounting cavity, wherein the electronic control board unit (1) and the light guiding display unit (2) are mounted in the mounting cavity in a sealing manner, wherein a display window (51) communicated with the mounting cavity is arranged on the housing (5), and the display window (51) is used for exposing the display icon.

10. Household appliance, characterized in that it comprises a mounting housing and a display touch screen according to any of claims 1-9, said display touch screen being mounted on said mounting housing.