JP2013094218A - Operation display device for washing machine - Google Patents

Abstract

The present invention provides an operation display device for a washing machine, which is excellent in aesthetics and can be displayed so that a user can easily understand the operation contents even from a position away from the washing machine.
A liquid crystal display panel, a backlight having a light source capable of emitting at least three different colors irradiated from the back of the liquid crystal display panel, and a control mounted with an operation switch, a liquid crystal display panel, and the backlight. And the backlight 31 is configured so that the light applied to the liquid crystal display panel 28 has a different color for each process of washing, rinsing, dehydrating, and drying, so that the user can move away from the washing machine. However, it is easy to distinguish the operation details by the color of the liquid crystal panel, and it is possible to convey the operation details in an easy-to-understand manner.
[Selection] Figure 2

Description

  The present invention relates to an operation display device for a washing machine equipped with a liquid crystal display panel that displays corresponding to the operation of an operation button.

  Conventionally, an operation display device of this type of washing machine is configured as shown in FIGS. Hereinafter, the configuration will be described.

  FIG. 5 is a top view of a main part of a washing machine provided with a conventional washing machine operation display device, and FIG. 6 is an exploded perspective view of the operation display device of the washing machine.

  As shown in FIG. 5, the operation display panel 1 is attached to the front (front side) of a lid 2 that covers a washing tub (not shown) of the washing machine so as to be freely opened and closed. A panel sheet 3 made of a material is attached. The panel sheet 3 is provided with operation units 4 and 5, course display units 6a, 6b, and 6c. The operation unit 4 is a start switch that is operated when a washing operation is started, and the operation unit 5 is a course selection switch that is operated when a predetermined driving course is selected.

  The course display units 6a, 6b, and 6c are turned on when a predetermined driving course is selected by the operation unit 5. The power-on switch 7a is for turning on the power to the washing machine body, and the power-off switch 7b is for turning off the power of the washing machine body.

  Next, as shown in FIG. 6, a control device 9 that controls the operation of the washing machine is mounted below the operation display unit 8 of the operation display panel 1, and a plurality of switches 10 are provided in the control device 9. The switch 10 is provided at a position corresponding to the operation button unit 11 of the operation display unit 8, and is configured to be turned on / off by pressing a pressing unit 12 provided on the operation button unit 11. Here, the operation button unit 11 is supported by the operation display unit 8 so as to be movable up and down by a button support unit 13 formed to have elasticity.

  An elastic panel sheet 3 is attached to the upper surface of the operation display unit 8 so that the switch 10 can be pressed via the operation button unit 11 from the operation units 4 and 5 provided on the panel sheet 3.

  Moreover, the display of the course display parts 6a, 6b, 6c of the panel sheet 3 is performed from the back side by lighting or blinking of the display element 15 composed of LEDs (light emitting diodes) provided on the display case 14 set in the control device 9. It is configured by irradiating a display of a course printed on the surface of the panel sheet 3.

  The display case 14 is set by being inserted from below into a display window 16 that is an opening formed in the operation display panel 1.

  In the above configuration, the operation will be described. The power-on switch 7a is turned on, and the operation unit 5 is turned on. At this time, the switch 10 is pressed and turned on by the pressing portion 12 provided in the operation button portion 11, and a predetermined driving course is selected. At this time, the course contents sequentially change from the course display units 6a, 6b, and 6c, and the user selects a desired course (see, for example, Patent Document 1).

JP 2004-073706 A

  However, in the configuration of the conventional operation display device of the washing machine, the operation contents of the washing machine are very difficult for the user to understand. In particular, all the display contents are printed on the panel sheet of the operation display panel 1, There was a problem in visibility because it was necessary for the user to check the operation contents of the printed part only from the lower side by turning on / off the LED from below.

  In addition, since only the display element 15 such as an LED (light emitting diode) is displayed, there is a problem that the display is not sharp and it is difficult to differentiate the display with respect to the operation content.

  The present invention solves the above-mentioned conventional problems, and by using a liquid crystal panel, the user can easily set the operation content and the course content, and each process such as washing, rinsing, dehydration, drying, etc. By changing the color emitted from the backlight, it is easy for the user to distinguish the operation contents from the position of the liquid crystal panel even from a position away from the washing machine. It aims at providing as an operation display device of a washing machine which is not spoiled.

  In order to solve the conventional problem, an operation display device for a washing machine of the present invention includes an operation display panel having an operation button portion and a display portion, an operation switch provided at a position corresponding to the operation button portion, A liquid crystal display panel provided at a position corresponding to the display unit, a backlight having a light source capable of emitting at least three different colors irradiated from the back surface of the liquid crystal display panel, the operation switch, the liquid crystal display panel, and the backlight The backlight is configured so that the light applied to the liquid crystal display panel has a different color for each process of washing, rinsing, dehydration, and drying.

  This allows the user to distinguish the operation contents from the color of the liquid crystal panel even from a position away from the washing machine by changing the color emitted from the backlight for each process such as washing, rinsing, dehydration, and drying. It is possible to realize an operation display device for a washing machine that can be easily performed and is easy to understand for the user and does not impair the beauty.

  The operation display device of the washing machine of the present invention is excellent in aesthetics, and the user can leave the washing machine by changing the color from the light source of the backlight that irradiates the liquid crystal panel for each washing, rinsing, dehydrating and drying process. It is easy to discriminate the operation details from the position of the LCD panel by the color of the liquid crystal panel.

The principal part top view of the operation display apparatus of the washing machine in Embodiment 1 of this invention AA sectional view of the operation display device of the washing machine of FIG. Front view of a washing machine equipped with the operation display device of the washing machine The figure which shows the display color of each process possession of the liquid crystal panel of the operation display apparatus of the washing machine Top view of a main part of a washing machine equipped with a conventional washing machine operation display device Exploded perspective view of the operation display device of the washing machine

  The first invention includes an operation display panel having an operation button part and a display part, an operation switch provided at a position corresponding to the operation button part, a liquid crystal display panel provided at a position corresponding to the display part, A backlight having a light source capable of emitting at least three different colors emitted from the back surface of the liquid crystal display panel; and a control device on which the operation switch, the liquid crystal display panel, and the backlight are mounted. By configuring the light emitted to the liquid crystal display panel to have a different color for each process of rinsing, dehydration, and drying, the color emitted from the backlight for each process of washing, rinsing, dehydration, drying, etc. By changing it, it is easy for the user to distinguish the operation content from the color of the liquid crystal panel even from a position away from the washing machine, and it is very easy for the user to understand, It is possible to realize an operation display device of a washing machine that does not impair the watch.

  In the second invention, in particular, the light source capable of emitting at least three different colors of the backlight of the first invention is a light emitting diode in which RGB light emitting elements are housed in one package, and the current values of RGB of the light emitting diodes are respectively By using a configuration having a current control unit for controlling the color, the current control unit can control the color emitted from the backlight with the three primary colors of R (red), G (green), and B (blue) light. It is possible to change the color of the LCD panel freely during error mode display, initial setting mode, or during pause, as well as during each operation process such as washing, rinsing, dehydration, and drying. Furthermore, it is possible to realize an operation display device for a washing machine that is more aesthetic and easy to understand for the user.

  In addition, by using a light emitting diode in which RGB light emitting elements are housed in one package, light emitted from the light emitting diode can be uniformly and efficiently guided onto the liquid crystal panel, and uneven brightness on the liquid crystal panel can be easily achieved. Therefore, it is possible to realize an operation display device for a washing machine that is excellent in aesthetics.

  In the third invention, in particular, the light source capable of emitting at least three different colors of the backlight of the first invention includes an RGB light emitting element in one package, and a predetermined light emitting element. By adopting a configuration having a light emitting diode, it is possible to configure a backlight at a lower cost, and to realize an operation display device for a washing machine that is excellent in aesthetics.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a top view of an essential part of an operation display device for a washing machine according to the first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line AA of FIG. 1 of the operation display device for the washing machine, and FIG. FIG. 4 is a diagram showing a display color of each process of the liquid crystal panel of the operation display device of the washing machine, and FIG. 4 is a front view of the washing machine equipped with the operation display device of the washing machine.

  In FIG. 1, the panel cover 20 which comprises the whole operation display surface of a washing machine is comprised with the plastic molding member.

  The panel cover 20 includes a power-on switch 21 that is operated when the washing machine main body 46 is turned on, a power-off switch 22 that is operated when the power is turned off, and an operation that is performed when starting or temporarily suspending operations such as washing. There is a start switch 23 to perform.

Also, a washing / drying switch 24 for selecting whether to drive only for washing, only for drying, or for both washing and drying, and course selection for selecting various driving courses suitable for laundry An operation button unit 43 having a switch 25, a detailed operation time of each process of washing, rinsing, dehydration and drying and an operation stroke setting switch 26 for selecting whether or not to drive, other setting switches 27, etc., and these operation button units The display unit 44 for displaying the contents set by the operation of 43 is constituted by the liquid crystal display panel 28 or the like. The liquid crystal display panel 28 displays a set time for each process of washing, rinsing, dehydration, and drying, a remaining time of all processes, and a driving course in which washing contents and time are set for each use.

  2, the display 44 of the operation display panel 45 corresponds to the horizontally long vertical rectangular transparent window 29 of the panel cover 20, and the display on the liquid crystal display panel 28 described in FIG. A film sheet 30 provided with a transparent portion corresponding to the liquid crystal display panel 28 so as to be visually recognized is insert-molded.

  The film sheet 30 is transparent only in the portion displayed on the liquid crystal display panel 28, and the periphery is opaque to prevent light leakage of the backlight 31 of the liquid crystal display panel 28.

  The liquid crystal panel outer case 32 is formed of a receiving material such as highly reflective polycarbonate (PC) or acrylic, and a light guide plate 33 optically designed with acrylic resin or the like is disposed above the liquid crystal panel outer case 32. A diffusion sheet 34 is disposed on the light guide plate 33 so as to cover the light guide plate 33 in order to diffuse light, and the liquid crystal display panel 28 is further formed on the diffusion sheet 34 so as to cover the diffusion sheet 34. It is the structure which arranges.

  On the side surface of the light guide plate 33, an LED substrate 35 is disposed on which a plurality of light emitting diodes 36 in which RGB light emitting elements as light sources are housed in one package are soldered.

  The light from the light emitting diode 36 enters from the side surface of the light guide plate 33, and the light guided by the light guide plate 33 irradiates the entire surface of the liquid crystal display panel 28 through the diffusion sheet 34.

  The control device 38 screwed to the control device case 37 is provided with operation switches 39 and RGB light emitting elements at positions corresponding to the liquid crystal display panel 28, the backlight 31, and the operation switches described in FIG. A current control unit 40 for controlling the current value of each light emitting element of the light emitting diode 36 housed in one package, a microcomputer 41, and the like are fixed by soldering and are made of polyurethane resin or the like after solder dipping for moisture-proofing treatment. A moisture-proof potting agent made of a moisture-proof material is filled and a moisture-proof treatment is applied to the front and back of the control device 38.

  A signal is input to the operation switch 39 attached to the control device 38 by pressing the pressing portion 42 integrally formed on the panel cover 20 so as to be movable up and down.

  In the vicinity of the operation button unit 43, the power on switch 21, the power off switch 22, the start switch 23, the washing / drying switch 24, the course selection switch 25, the driving process setting switch 26, and other setting switches 27 shown in FIG. Etc. The operation button part is printed and displayed.

  In FIG. 3, there is a washing / dehydrating tub 47 for putting laundry into the front central portion of the washing machine main body 46, and an operation display panel 45 is arranged on the upper part of the washing / dehydrating tub 47. Reference numeral 48 denotes a door of the washing and dewatering tank.

  About the operation display apparatus of the washing machine comprised as mentioned above, the operation | movement, an effect | action, and an effect are demonstrated below. A detailed control operation will be described with reference to FIG. 4 showing a display color of each process on the liquid crystal panel of the operation display device of the washing machine.

First, when the power is turned off, R (red): OFF, G (green): OFF, B (blue): OFF, and the liquid crystal panel is in the off state because no current flows through the light emitting diode 36. is there.

  Next, when the power switch 21 is turned on, the initial operation setting mode is set, and R (red): ON, G (green): ON, B (blue): ON, and the color of the liquid crystal panel is irradiated to white. Is done.

  Next, after pressing the washing / drying switch 24 and setting so as to continue drying after washing, the washing operation starts when the start switch 23 is pressed, and R (red): OFF, G (green): OFF, B (blue): Turns on, and the liquid crystal panel is illuminated in blue.

  Next, when the washing operation is completed and the rinsing operation is started, R (red): OFF, G (green): ON, and B (blue): OFF are set, and the color of the liquid crystal panel is illuminated in green. .

  Next, when the rinsing operation is completed and the dehydration operation is started, R (red): ON (however, the current is made to flow weakly), G (green): ON (however, the current is made to flow strongly), B (blue): The liquid crystal panel is irradiated with yellow color in the OFF state.

  Next, when the dehydrating operation is completed and the operation is shifted to the drying operation, R (red): ON (however, the current is made to flow strongly), G (green): ON (however, the current is made to flow weakly), B (blue): The liquid crystal panel is illuminated in orange and turned off automatically when drying is completed.

  When the start switch 23 is pressed during the washing and drying operation, the operation enters a temporary stop mode in which the operation is temporarily stopped, and R (red): ON, G (green): ON, and B (blue): ON. The color of the liquid crystal panel is illuminated white.

  In addition, when an error is detected in the washing machine main body due to a component failure or the like, the error display mode is entered, and R (red): ON (flashing), G (green): OFF, B (blue): OFF state The color of the liquid crystal panel is illuminated in red, and the light emitting diode 36 blinks to notify the user of an error.

  1, 2, 3, and 4, the user can drive from a position away from the washing machine by changing the color emitted from the backlight 31 for each process such as washing, rinsing, dehydration, and drying. The contents can be easily discriminated by the color of the liquid crystal panel, and the operation display device of the washing machine can be realized which is very easy for the user to understand and does not impair the beauty.

  It is possible to control the color emitted from the backlight 31 with the three primary colors of R (red), G (green), and B (blue) by the current control unit 40, such as washing, rinsing, dehydration, and drying. Washing machine that can easily change the color of the liquid crystal panel when it is in error mode display, initial setting mode, or during pause, as well as during each driving process, and has excellent aesthetics and is easy for the user to understand The operation display device can be realized.

  Further, by using the light emitting diode 36 in which RGB light emitting elements are housed in one package, the light emitted from the light emitting diode 36 can be uniformly and efficiently guided on the liquid crystal panel, and the luminance unevenness on the liquid crystal panel can be obtained. It is possible to realize an operation display device for a washing machine that can easily suppress the above-described problem and that is excellent in beauty.

  In this embodiment, the color during each stroke operation is fixed as shown in FIG. 4, but this is only an example, and depending on the operation content, it is possible to freely set the color to irradiate the liquid crystal display panel 28. Yes, you can freely customize the color of the LCD panel.

Further, in the present embodiment, the light emitting diode 36 disposed on the side surface of the light guide plate 33 is a light emitting diode in which RGB light emitting elements are housed in one package. It is necessary to use a plurality of light emitting diodes housed in one package. In this case, one light emitting diode housing RGB light emitting elements in one package and a plurality of LEDs having, for example, white light emitting elements are arranged side by side. It may be arranged to secure the brightness of the backlight, and the backlight can be configured at a lower cost, and an operation display device for a washing machine that does not impair the beauty can be realized.

  Although the said Embodiment 1 described the washing machine, if it is an electric equipment which uses a liquid crystal panel, it cannot be overemphasized that an equivalent effect can be acquired by setting it as an equivalent structure.

  The operation display device of the washing machine of the present invention is excellent in aesthetics, and the backlight color of the liquid crystal panel is divided for each stroke operation, and the operation content is discriminated by the color of the liquid crystal panel even when the user is away from the washing machine. It can be easily performed and the details of operation can be transmitted in an easy-to-understand manner, so that it can be applied to various devices having a liquid crystal display panel.

28 Liquid crystal display panel 31 Backlight 36 Light emitting diode 38 Control device 39 Operation switch 40 Current control unit 43 Operation button unit 44 Display unit 45 Operation display panel

Claims (3)

An operation display panel having an operation button part and a display part, an operation switch provided at a position corresponding to the operation button part, a liquid crystal display panel provided at a position corresponding to the display part, and a rear surface of the liquid crystal display panel A backlight having a light source capable of emitting at least three different colors, and a control device loaded with the operation switch, the liquid crystal display panel, and the backlight. The backlight is for washing, rinsing, dehydrating, and drying. An operation display device for a washing machine, wherein the liquid crystal display panel has a different color for each stroke. The light source capable of emitting at least three different colors of the backlight is a light emitting diode in which RGB light emitting elements are housed in one package, and has a current control unit that controls current values of RGB of the light emitting diode. The washing machine operation display device described. The laundry light source according to claim 2, wherein the light source capable of emitting at least three different colors of the backlight includes a light emitting diode having one predetermined light emitting element in addition to a light emitting diode having RGB light emitting elements housed in one package. Machine operation display device.