CN107653633B - Touch light guide structure and washing machine - Google Patents
Touch light guide structure and washing machine Download PDFInfo
- Publication number
- CN107653633B CN107653633B CN201610590246.8A CN201610590246A CN107653633B CN 107653633 B CN107653633 B CN 107653633B CN 201610590246 A CN201610590246 A CN 201610590246A CN 107653633 B CN107653633 B CN 107653633B
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- China
- Prior art keywords
- light guide
- touch
- guide plate
- computer board
- light
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
- D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a touch light guide structure and a washing machine, wherein the touch light guide structure comprises a touch screen, a light guide plate and a computer board which are sequentially arranged from front to back, a touch film is attached to the front end face of the computer board corresponding to a sensing area of the touch screen, and the light guide plate is provided with a light guide plate body and an inclined part which is obliquely extended backward along one end of the light guide plate body and is used for refracting light positioned behind the computer board into the light guide plate body. Therefore, the front end face of the computer board is a flat plane, the computer board is convenient to manufacture, the manufacturing efficiency is improved, the touch screen, the light guide plate and the computer board are convenient to attach, the touch sensitivity is improved, the light transmission between the touch screen and the light guide plate is improved, and light crosstalk is avoided; light gets into the light guide plate body through the refraction for light distributes evenly in the light guide plate body, and the light display on the touch-sensitive screen is even.
Description
Technical Field
The invention belongs to the technical field of touch display, and particularly relates to a touch light guide structure and a washing machine with the same.
Background
At present, a touch screen is generally adopted as a display and operation device on a washing machine, a traditional touch washing machine control panel sequentially comprises the touch screen, a touch pad, a display panel lamp holder, a computer board and the like, wherein the touch screen is arranged on the outermost side and is provided with a plurality of touch keys and display areas for a user to perform touch operation and display the set state and the working state of the washing machine, the touch pad is installed by being attached to the touch screen, the touch pad is provided with touch induction areas corresponding to the touch keys on the touch screen, then the display panel lamp holder is installed, the computer board is installed below the display panel lamp holder, an LED indicating lamp is arranged on the computer board, and light emitted by the LED indicating lamp on the display computer board is transmitted to the touch pad through a light guide column on the display panel lamp holder and is displayed on the touch screen after penetrating through the touch pad.
At present, the touch display structure has more parts and complex structure, so that the cost is higher and the assembly efficiency is low; the thickness of the touch display structure is large, so that the arrangement of parts of the washing machine is not facilitated; and the LED indicator lamp is generally arranged in the middle of each display area, so that a user can obviously see a bright point from the appearance of the control panel, and the light display is not uniform.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a touch light guide structure which is simple in structure and uniform in light ray display.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a touch light guide structure, includes touch-sensitive screen, light guide plate and the computer board that sets gradually backward in the past, and the terminal surface is attached to have the touch membrane before the computer board that the induction zone of touch-sensitive screen corresponds, the light guide plate has the light guide plate body and follows the one end of light guide plate body inclines backward the extension, be used for with being located the light refraction behind the computer board to this internal rake of light guide plate.
Further, the light guide plate further has an incident portion connected to a rear end of the inclined portion and parallel to the light guide plate body.
Furthermore, a light source is arranged on the rear end face of the computer board.
Furthermore, the computer board is provided with a through hole for the inclined part to pass through.
Furthermore, the light guide plate body is provided with a clamping jaw extending backwards, and the computer board is provided with a bayonet matched with the clamping jaw.
Furthermore, light blocking layers are arranged on other side faces except the light incidence face on the light guide plate.
Further, the light blocking layer is an attached aluminum foil and a coating layer.
Furthermore, the touch light guide structure further comprises a pressing component which is arranged behind the computer board and enables all components of the touch light guide structure to be in close contact with each other.
Further, the pressing part is provided with a pressing body and an elastic claw extending forwards, and the elastic claw is in contact with the computer board.
Furthermore, the rear end face of the touch screen is provided with a light shielding layer and a light transmitting part which is not covered by the light shielding layer.
Furthermore, the touch film is positioned at a position on the computer corresponding to the light-transmitting part.
Furthermore, the touch screen is a flat plate made of glass.
Based on the touch light guide structure, the invention also provides the washing machine which is provided with the touch light guide structure, so that the washing machine is simple in structure, good in touch display effect, thin in thickness, low in cost and convenient and quick to assemble.
Furthermore, the washing machine is also provided with a main control board, and the touch screen is arranged on the front end face of the main control board as a decorative board.
Furthermore, the main control board is provided with an avoiding through hole for sequentially attaching the touch screen, the light guide plate and the computer board.
Furthermore, the left side and the right side of the avoiding through hole are provided with clamping structures which extend backwards and are used for clamping the computer board.
Furthermore, the touch light guide structure further comprises a pressing part arranged behind the computer board, and the pressing part is clamped and fixed on the rear end face of the main control board.
Furthermore, the main control board is provided with a blocking notch and a clamping claw which are matched with the end part of the pressing part.
The touch light guide structure comprises a touch screen, a light guide plate and a computer board, wherein a touch film is attached to the front end face of the computer board corresponding to the sensing area of the touch screen, so that structures such as a touch pad and a display panel lamp holder are omitted, the structure is simple, the production cost is reduced, the assembly is rapid and convenient, and the production efficiency is improved; and the thickness of the touch light guide structure is reduced. The light guide plate is provided with a light guide plate body and an inclined part which is inclined backwards and extends along one end of the light guide plate body, and light rays behind the computer board are refracted into the light guide plate body through the inclined part; therefore, the light source can be arranged on the rear end face of the computer board or other parts behind the computer board 3, so that the front end face of the computer board is a flat plane, the computer board is convenient to manufacture, the manufacturing efficiency is improved, the touch screen, the light guide plate and the computer board are convenient to attach, the touch sensitivity is improved, the light transmission between the touch screen and the light guide plate is improved, and light crosstalk is avoided; light gets into the light guide plate body through the refraction for light distributes evenly in the light guide plate body, and the light display on the touch-sensitive screen is even.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a touch light guide structure according to a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the light guide plate shown in FIG. 1;
FIG. 3 is an enlarged view of the computer board of FIG. 1;
fig. 4 is a schematic structural diagram of a touch light guide structure according to a second embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the pressing member of FIG. 4;
FIG. 6 is a schematic structural view of the main control board and the touch screen in FIG. 4 from another angle;
FIG. 7 is an enlarged view of the area A in FIG. 6;
FIG. 8 is a schematic view of the assembled structure of FIG. 4;
FIG. 9 is an enlarged sectional view taken along line B-B in FIG. 8;
fig. 10 is an enlarged schematic view of region C in fig. 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "front", "back", "upper", "lower", "left", "right", etc. indicate the positional relationship relative to the user when the touch light guide structure is normally used in the present invention, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a first embodiment of a touch light guide structure according to the present invention is shown, where the touch light guide structure includes a touch screen 1, a light guide plate 2 and a computer board 3 sequentially arranged from front to back, and a touch film is attached to a front end surface area of the computer board 3 corresponding to a sensing area of the touch screen 1; the front end face of the computer board 3 can be the front face of the computer board 3, and structures such as a touch panel and a display panel lamp holder are omitted, so that the structure is simple, the production cost is reduced, the assembly is quick and convenient, and the production efficiency is improved; and the thickness of the touch light guide structure is reduced. The light guide plate 2 has a light guide plate body 21 and an inclined portion 22 extending rearward along one end of the light guide plate body 21, and the inclined portion 22 is provided to reflect light rays positioned behind the computer board 3 into the light guide plate body 21. Therefore, the light source can be arranged on the rear end face of the computer board 3 or other parts behind the computer board 3, so that the front face of the computer board 3 is a flat plane, the computer board 3 is convenient to manufacture, the manufacturing efficiency is improved, the touch screen 1, the light guide plate 2 and the computer board 3 are favorably attached, the touch sensitivity is increased, the light transmission between the touch screen 1 and the light guide plate 2 is increased, and light crosstalk is avoided; light is incident from one side of the light guide plate 2 and enters the light guide plate body 21 through refraction, so that the light is uniformly distributed in the light guide plate body 21, and the light on the touch screen is uniformly displayed.
As shown in fig. 1, the touch screen 1, the light guide plate body 21 and the computer board 3 are flat plates, so that the touch screen 1, the light guide plate body 21 and the computer board 3 are sequentially and tightly attached to each other, that is, are parallel to each other, and the touch sensitivity and the light transmittance between the touch screen 1 and the light guide plate 2 are improved; the touch screen 1 is an appearance piece and is positioned on an appearance surface. Referring to fig. 2, in order to improve the incident quality of light and the convenience of fixing the light source, the light guide plate further has an incident portion 23 connected to the rear end of the inclined portion 22 and parallel to the light guide plate body 21; thus, the light source is disposed along the end face of the incident portion 23, that is, the light source is mounted on a plane parallel to the light guide plate body 21, so that light is incident from the end of the incident portion 23, that is, from the side surface of the light guide plate 2, enters the inclined portion 22 through refraction, and then enters the light guide plate body 21 through refraction, that is, the light reaches the light guide plate body 21 through twice refraction after being incident; and also the incident part 23 has the function of fixing with the computer board 3.
In this embodiment, as shown in fig. 1 to fig. 3, the light source is installed on the rear end surface or the reverse surface of the computer board 3, which is beneficial to further simplifying the touch light guide structure and avoiding the installation of a special structure for installing the light source. Meanwhile, a through hole 32 for the inclined part 22 to pass through is formed in the computer board 3, so that the light guide plate body 21 is positioned in front of the computer board 3, the through hole 32 for the inclined part 22 to pass through and the incident part 23 is positioned behind the computer board 3; this realizes that the light emitted from the light source 31 mounted on the rear end surface of the computer board 3 is guided into the light guide plate body 21. In order to realize the light source, in order to further improve the light uniformity and brightness in the light guide plate body 21, a row of light sources 31 is arranged on the rear end face of the computer board 3 at the through hole 32, so that the light at the end of the incident part 23 is uniform, the intensity of the light is high, and the light reaching the light guide plate body 21 has high uniformity and brightness.
In the embodiment, referring to fig. 2 and 3, the rear end face of the light guide plate body 21 is provided with a claw 24 extending backward, the computer board 3 is provided with a bayonet 33 matching with the claw 24, the claw 24 is arranged on the left side of the light guide plate body 21, the inclined portion 22 and the incident portion 23 are arranged on the right side, so that the inclined portion 22 passes through the through hole 32, the incident portion 23 is positioned behind the computer board 3, and the claw 24 is clamped in the bayonet 33, so that the light guide plate 3 is firmly fixed on the computer board 3.
In the present embodiment, support portions 25 extending forward and flush with the light guide body 21 are provided at upper and lower ends of the front end surface of the inclined portion 22. In order to prevent light from being emitted from the side surface of the light guide plate 3, light blocking layers are arranged on other side surfaces except the light incident surface on the light guide plate 3; light is incident from the end face of the incident portion 23, that is, the right side face of the light guide plate 3 is an incident face, and the other side faces of the light guide plate 3 are provided with light blocking layers, that is, the upper side face, the lower side face, and the left side face of the light guide plate 3. The light blocking layer may be an attached aluminum foil or a coated coating, etc.
In this embodiment, a light-shielding layer and a light-transmitting portion not covered by the light-shielding layer are provided on the back surface of the touch panel 1, and the light-transmitting portion is in the shape of a key identification symbol. The light in the light guide plate 2 shows a luminous light effect through the light transmission part, namely the touch area of the touch screen 1, and the touch film is positioned in the area on the computer corresponding to the light transmission part.
Referring to fig. 4-10, a second embodiment of the touch light guide structure provided in the present invention is a touch power key disposed on a washing machine, and the touch light guide structure is mounted and fixed on a main control board 10 of the washing machine to implement a touch light emitting display function of the power key.
In this embodiment, the touch light guide structure has the same structure as the first embodiment, and includes a touch screen 1, a light guide plate 2, and a computer board 3, which are sequentially disposed from front to back, and a touch film is attached to a front end surface area of the computer board 3 corresponding to a sensing area of the touch screen 1. The touch screen 1 is arranged on the front end face of the main control board 10 as a decorative board, and in order to realize the attachment or close contact between the light guide plate 2 and the touch screen 1, the main control board 10 is provided with an avoiding through hole 101, so that the light guide plate 2 and the computer board 3 can be sequentially attached and arranged behind the touch screen 2.
In this embodiment, referring to fig. 7, the left and right sides of the avoiding through hole 101 are provided with the engaging structure 102 for engaging with the computer board 3, so that the computer board 3 is fixed on the main control board 10; since the light guide plate 2 is fixed on the computer board 3, the touch screen 1, the light guide plate 2 and the computer board 3 are fixed on the main control board 10.
In this embodiment, referring to fig. 4 and 10, in order to make the touch screen 1, the light guide plate 2 and the computer board 3 tightly fit with each other, the touch light guide structure further includes a pressing component 4 disposed behind the computer board 3, and the pressing component 4 applies a forward force to the computer board 3, so that the touch screen 1, the light guide plate 2 and the computer board 3 tightly fit with each other, thereby ensuring the touch sensitivity, increasing the light transmittance between the touch screen 1 and the light guide plate 2, and avoiding crosstalk.
In this embodiment, referring to fig. 7, the pressing component 4 is fixed on the rear end surface of the main control board 10 in a clamping manner, and the main control board 10 is provided with a stop notch 103 and a clamping claw 104 which are matched with the end portion of the pressing component 4, so that the pressing component 4 is firmly fixed on the main control board 10. As shown in fig. 5, the pressing member 4 has a pressing body 41, and an elastic claw 42 extending forward; when the pressing part 4 is clamped and fixed to the main control board 10, the elastic claw 42 is pressed on the rear end surface of the computer board 3 with certain elastic deformation; so that the elastic claws 42 apply a forward force to the computer board 3, and the touch screen 1, the light guide plate 2 and the computer board 3 are tightly attached to each other.
In this embodiment, the touch screen 1 is a flat plate made of glass, which is beneficial to improving the appearance of the washing machine and has good light transmittance. The light-transmitting part on the touch screen 1 is a square key and a power supply symbol in the square.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. A touch light guide structure comprises a touch screen, a light guide plate and a computer board which are sequentially arranged from front to back, wherein a touch film is attached to the front end face of the computer board corresponding to a sensing area of the touch screen;
the light guide plate is also provided with an incident part which is connected with the rear end of the inclined part and is parallel to the light guide plate body, and the upper end and the lower end of the front end surface of the inclined part are provided with supporting parts which extend forwards and are flush with the light guide plate body;
the touch light guide structure also comprises a pressing part which is arranged at the rear part of the computer board and enables all parts of the touch light guide structure to be in close contact with each other; the pressing part is provided with a pressing body and an elastic claw extending forwards, and the elastic claw is in contact with the computer board.
2. The touch light guide structure of claim 1, wherein a light source is disposed on the rear surface of the computer board.
3. The touch light guide structure of claim 1, wherein the computer board is provided with a through hole for the inclined portion to pass through.
4. The touch light guide structure according to any one of claims 1 to 3, wherein a light blocking layer is provided on the other side surface of the light guide plate than the light incident surface.
5. A washing machine characterized by having the touch light guide structure of any one of claims 1 to 4.
6. The washing machine as claimed in claim 5, further comprising a main control panel, wherein the touch screen is provided as a decorative panel on a front surface of the main control panel.
7. The washing machine as claimed in claim 6, wherein the main control panel is provided with an avoiding through hole for sequentially attaching the touch screen, the light guide plate and the computer board; the left side and the right side of the avoiding through hole are provided with clamping structures which extend backwards and are used for clamping the computer board.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610590246.8A CN107653633B (en) | 2016-07-26 | 2016-07-26 | Touch light guide structure and washing machine |
PCT/CN2017/091521 WO2018019093A1 (en) | 2016-07-26 | 2017-07-03 | Touch light-guide structure and washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610590246.8A CN107653633B (en) | 2016-07-26 | 2016-07-26 | Touch light guide structure and washing machine |
Publications (2)
Publication Number | Publication Date |
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CN107653633A CN107653633A (en) | 2018-02-02 |
CN107653633B true CN107653633B (en) | 2021-09-14 |
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CN201610590246.8A Active CN107653633B (en) | 2016-07-26 | 2016-07-26 | Touch light guide structure and washing machine |
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CN (1) | CN107653633B (en) |
WO (1) | WO2018019093A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108660692B (en) * | 2018-05-16 | 2023-11-21 | 佛山海尔滚筒洗衣机有限公司 | Washing machine control panel assembly and washing machine |
CN111691125B (en) * | 2019-03-12 | 2023-12-15 | 佛山海尔滚筒洗衣机有限公司 | Washing machine and method for installing display module of washing machine |
Citations (6)
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CN1267991A (en) * | 1999-03-19 | 2000-09-27 | 松下电器产业株式会社 | Illuminator and portable information apparatus with the same illuminator |
JP2004119031A (en) * | 2002-09-24 | 2004-04-15 | Kawaguchiko Seimitsu Co Ltd | Backlight device of liquid crystal display panel |
CN1656411A (en) * | 2002-07-11 | 2005-08-17 | 迪尔阿扣基金两合公司 | Backlit liquid crystal display, particularly for use as a display module behind the operating panel of a large household appliance |
CN102980105A (en) * | 2012-12-04 | 2013-03-20 | 京东方科技集团股份有限公司 | Backlight module and display device |
JP2013094202A (en) * | 2011-10-28 | 2013-05-20 | Panasonic Corp | Backlight apparatus |
CN105698481A (en) * | 2016-03-09 | 2016-06-22 | 青岛海尔股份有限公司 | Display device and refrigerator drawer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007234335A (en) * | 2006-02-28 | 2007-09-13 | Tokai Rika Co Ltd | Fixing member and assembly structure of fixing member |
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2016
- 2016-07-26 CN CN201610590246.8A patent/CN107653633B/en active Active
-
2017
- 2017-07-03 WO PCT/CN2017/091521 patent/WO2018019093A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1267991A (en) * | 1999-03-19 | 2000-09-27 | 松下电器产业株式会社 | Illuminator and portable information apparatus with the same illuminator |
CN1656411A (en) * | 2002-07-11 | 2005-08-17 | 迪尔阿扣基金两合公司 | Backlit liquid crystal display, particularly for use as a display module behind the operating panel of a large household appliance |
JP2004119031A (en) * | 2002-09-24 | 2004-04-15 | Kawaguchiko Seimitsu Co Ltd | Backlight device of liquid crystal display panel |
JP2013094202A (en) * | 2011-10-28 | 2013-05-20 | Panasonic Corp | Backlight apparatus |
CN102980105A (en) * | 2012-12-04 | 2013-03-20 | 京东方科技集团股份有限公司 | Backlight module and display device |
CN105698481A (en) * | 2016-03-09 | 2016-06-22 | 青岛海尔股份有限公司 | Display device and refrigerator drawer |
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Publication number | Publication date |
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WO2018019093A1 (en) | 2018-02-01 |
CN107653633A (en) | 2018-02-02 |
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