JP2008000251A - Operation display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operation display device with excellent visibility, with a liquid crystal panel hardly causing deteriorate and dew-condensation. <P>SOLUTION: The liquid crystal panel 38 to be visually recognized through a transparent window 43 in a panel cover 20 is provided on a control device 41. The operation display device has a transparent case 48 to cover the liquid crystal panel 38, and a notch 48b is provided on the lower face of the transparent case 48. A gap is formed between the notch and the control device 41 when the transparent case is attached to the control device 41. A moisture preventive potting agent 46 is filled on the front and rear faces of the control device 41 inside/outside of the transparent case 48, and one or a plurality of apertures 48c are formed on the side face of the transparent case 48 covering the liquid crystal panel 38 so that the pressures on the outside and inside of the transparent case 48 are the same. With this structure, dew-condensation is not generated on the surface of the liquid crystal panel 38, and therefore, the liquid crystal panel 38 hardly deteriorates and the reliability can be enhanced. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an operation display device provided with a liquid crystal display unit that displays in response to an operation of an operation button unit.

  Conventionally, a conventional operation display device used in this type of washing machine or the like has been configured as shown in FIGS. Hereinafter, the configuration will be described.

  6 is a top view of a main part of a washing machine equipped with a conventional operation display device, FIG. 7 is an exploded perspective view of the operation display device, and FIG. 8 is a cross-sectional view of the main part of the operation display device.

  As shown in FIG. 6, 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 operated when the washing operation is started, and the operation unit 5 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 FIGS. 7 and 8, 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. ing. 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.

  As shown in FIG. 8, a display element 15 made up of a plurality of LEDs or the like is provided on a display case 14 placed on a printed circuit board 9a configured in the control device 9, and the upper end 14a of the display case 14 is a panel. It arrange | positions so that it may come close to the back surface (the control apparatus 9 side) of the sheet | seat 3 as much as possible, and the visibility of a display element 15 adjacent is prevented from leaking.

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 such a conventional operation display device, the display case 14 set in the control device 9 is inserted into the display window 16 that is an opening provided in the operation display panel 1 from below and set. The outer shape of the case 14 and the inner shape of the display window 16 need to be provided with a margin for the purpose of facilitating insertion and to absorb variations in members. As a result, the display positions of the display units 6a, 6b, 6c and the like may be misaligned with the position of the display case 14, causing a problem in visibility.

  Further, when the upper end 14a of the display case 14 is too close to the back surface of the panel sheet 3 in order to prevent the light from the plurality of display elements 15 from irradiating adjacent display portions (for example, 6a and 6b) to each other, The upper end 14a may come into contact with the back surface of the panel sheet 3 and push up due to variations in the surface of the panel sheet 3. As a result, the panel sheet 3 made of a sheet material may appear uneven, which impairs the appearance. It was.

  In addition, since the operation display panel 1 and the panel sheet 3 are made of different materials in terms of their functions, the thermal expansion coefficient is different, so that it is necessary to consider heat shrinkage. It was necessary to provide a gap in consideration of thermal shrinkage between the inner peripheral portion and the outer peripheral portion of the panel sheet 3, and the visibility was not good. Further, dust and water easily collect in the gap, and when there is a power-on switch 7a or a power-off switch 7b near the outer periphery of the panel sheet 3 as described above, the power-on switch 7a or the power-off switch is also provided. Since there is no adhesive for adhering the panel sheet 3 on the back surface of the switch 7b, the adhesive adhering width between the outer periphery of the panel sheet 3 and the power-on switch 7a or the power-off switch 7b is narrowed, and the power is on. Due to the pressing operation of the switch 7a and the power-off switch 7b, the adhesive strength of the narrow pasting portion is reduced, and the panel sheet 3 is easily peeled off from the portion.

  In addition, since only the display elements 15 such as LEDs (light emitting diodes) are operated and displayed, there is a problem that the display is not sharp, and it is difficult to differentiate between a display that is always used and a display that is not so frequently used.

  Furthermore, when hot water is used in the winter, the steam of the hot water enters the course display sections 6a, 6b, 6c, etc., and water droplets adhere to the course display sections 6a, 6b, 6c. It was.

  The present invention solves the above-mentioned conventional problems, and even after the panel sheet is pasted, the surface of the panel sheet does not appear uneven, and the panel sheet does not have to be peeled off. By using this liquid crystal panel, a liquid crystal panel that can be displayed in an easy-to-understand manner for parts to be emphasized to the user and has low reliability against condensation can be used as a highly reliable operation display device without condensation. The purpose is to provide.

  In order to solve the above-described conventional problems, the operation display device of the present invention is pasted on an operation display panel having an operation button part, a display part, and an opening part in the display part, and an upper surface of the display part. A panel cover having a panel sheet, an operation part provided at a corresponding position of the operation button part, and a transparent window provided at a corresponding position of the display part, and a corresponding position of the operation button part arranged below the operation display panel And a control device on which a plurality of display elements arranged at corresponding positions of the display unit and a liquid crystal panel displaying setting conditions, remaining time, etc. of washing, rinsing and dewatering are mounted, and the control The apparatus is configured such that a transparent case made of a transparent material that completely covers the liquid crystal panel is mounted, and the upper surface of the transparent case is inserted into the opening of the operation display panel.

  As a result, the operation display device of the present invention does not pop out of the display case from the operation display panel as in the past, and even after the panel sheet is pasted, the surface of the panel sheet does not appear uneven. Also, there is no accumulation of water or dust on the affixed part, no worry about peeling, no condensation on the surface of the liquid crystal, and there is no concern for the user, and water has entered from the outside. However, since water does not enter the upper surface of the panel sheet and the aesthetic appearance is not impaired, the reliability of the liquid crystal panel can be improved, so that a highly reliable operation display device can be realized.

  The operation display device of the present invention is excellent in aesthetics because the surface of the panel sheet does not look uneven, the panel sheet does not worry about peeling, and the surface of the liquid crystal panel does not condense, so the liquid crystal panel is deteriorated. It is difficult to improve reliability.

  1st invention is an operation display panel which has an operation button part, a display part, and an opening part in the said display part, the panel sheet affixed on the upper surface of the said display part, and the corresponding position of the said operation button part A panel cover having an operation unit provided and a transparent window provided at a corresponding position of the display unit; a switch disposed below the operation display panel and disposed at a corresponding position of the operation button unit; and a corresponding position of the display unit A plurality of arranged display elements and a control device on which a liquid crystal panel for displaying washing, rinsing, dewatering setting conditions, remaining time, and the like is mounted, and the control device is a transparent material that completely covers the liquid crystal panel The display case is mounted on the operation display panel so that the upper surface of the transparent case is inserted into the opening of the operation display panel. Even after the panel sheet is pasted, the surface of the panel sheet does not appear uneven, and the gap with the operation display panel is not visible. There is no accumulation of water and garbage, and there is no worry of peeling. In addition, by using a liquid crystal panel, a liquid crystal panel with low reliability against moisture can be displayed while easily displaying a portion that is desired to be emphasized to the user, thereby preventing water from entering and improving reliability. Can do.

  In the second invention, in particular, the transparent case covering the liquid crystal panel of the first invention is provided with a notch at the lower end which is a contact portion with the control device, so that when the transparent case is attached to the control device, By forming a gap with the control device and filling the front and back surfaces of the control device inside and outside the transparent case with a moisture-proof potting agent, by providing a gap with the control plate, an electrical component Moisture-proof potting agent that protects against dew condensation can quickly flow into the transparent case, improving the reliability of the liquid crystal panel and improving the workability of the moisture-proof potting agent injection.

  According to a third aspect of the present invention, in particular, the transparent case covering the liquid crystal panel of the first or second aspect has a transparent outer surface covering the liquid crystal panel by providing one or a plurality of small holes in a part of the side surface. The inside pressure becomes the same atmospheric pressure, and it is possible to suppress the occurrence of dew condensation on the inner surface of the transparent case, so that the aesthetic appearance is not lost, and at the same time, the liquid crystal panel absorbs water and can prevent insulation deterioration.

  In the fourth invention, in particular, the operation display panel having the operation button part and the display part according to any one of the first to third inventions is covered with a panel cover, and the operation button part and the display part. A concave groove portion is provided so as to surround the panel cover, and a rib is provided on the back surface of the panel cover at a position corresponding to the concave groove portion, so that the rib enters the concave groove portion. Water that has entered from the gap of the cover can be prevented from adhering to the panel sheet that covers the upper surface of the display unit, and peeling of the panel sheet can be prevented, and the aesthetics can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same parts as those in the conventional example are denoted by the same reference numerals, and the description thereof is omitted. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a top view of a main part of a washing machine equipped with an operation display device according to the first embodiment of the present invention, FIG. 2 is an exploded plan view of the operation display device, and FIG. 3 incorporates the control plate. 4 is a plan view of the control device case, FIG. 4 is a cross-sectional view taken along the line AA of FIG. 1 of the operation display device, and FIG. 5 is a cross-sectional view taken along the line BB of FIG.

  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 / off switch 21 that is operated when the power is supplied to the washing machine body (not shown) and when the power is turned off, and a start / operation that is performed when the washing operation is started or paused. Pause switch 22, washing time setting switch 23a operated when setting the washing time, rinsing setting switch 23b operated when setting the number of times of rinsing or rinsing time, and operating when setting the time of dehydration Dehydration time setting switch 23c, dehydration rotation speed setting switch 23d operated when setting the rotation speed of a washing and dewatering tub (not shown) at the time of dehydration, reserved operation setting switch 23e operated when performing a reserved operation, washing And a water temperature setting switch 24a which is operated when setting the temperature of the washing water and the rinsing water at the time of rinsing. A course setting switch 24b operated when selecting one washing course from the course, an operation unit having a water level setting switch 24c operated when setting the water level for washing and rinsing water during washing and rinsing, and the like. A washing time display unit 25a for displaying the washing time set by the operation of the operation unit, a rinsing display unit 25b for displaying the number of times of rinsing or the rinsing time, a dehydration time display unit 25c for displaying the dehydration time, Dehydration rotation speed display unit 25d for displaying the rotation speed of the washing and dewatering tub, liquid crystal display unit 26 for displaying the remaining time for washing or the time display unit 25e for displaying the end time of the reserved operation, LED (light emitting diode), etc. A water temperature setting display unit 27a for displaying the temperature of the wash water and the rinse water set by the water temperature setting switch 24a, A course setting display section 27b for displaying the washing course selected by the water setting switch 24b, a water level display section 27c for displaying the washing water level and the rinsing water level set by the water level setting switch 24c, and the reserved operation setting switch 23e. When a reservation is set at, an LED display section having a reserved operation setting display section 27d and the like for displaying the reservation setting is arranged.

  Display portions such as the liquid crystal display unit 26, the water temperature setting display unit 27a, the course setting display unit 27b, the water level display unit 27c, and the reserved operation setting display unit 27d displayed on the LED are configured on the inner side of the back surface of the panel cover 20. In this configuration, transmission is visually confirmed through a panel cover transparent portion 28 which is a horizontally long rectangular transparent portion integrally formed with the panel cover 20.

  In FIG. 2, corresponding to the transparent portion 28 of the panel cover 20, a panel sheet transparent portion 29 provided transparently so that the display of the liquid crystal display portion 26 described in FIG. And a panel sheet 30 made of a polyester resin sheet or the like on which a water temperature setting display unit 27a, a course setting display unit 27b, a water level display unit 27c, a reserved operation setting display unit 27d, etc., which are displayed by LEDs are printed. To do.

  The panel cover 20 has a power on / off switch 21, a start / pause switch 22, a washing time setting switch 23a, a rinsing setting switch 23b, a dehydration time setting switch 23c, a dehydration rotation speed setting switch 23d, a reserved operation setting switch 23e, and a water temperature. It is composed of a plastic molded member obtained by insert-molding a film on which a display such as a setting switch 24a, a course setting switch 24b, and a water level setting switch 24c is printed.

  Further, an operation display panel 31 formed of polypropylene resin or ABS resin is arranged inside the back surface of the panel sheet 30, and the operation display panel 31 is formed on a relatively flat surface for adhering the panel sheet 30 thereto. Corresponding to LED display such as the display unit 32, the opening 33 opened corresponding to the liquid crystal display unit 26, the water temperature setting display unit 27a, the course setting display unit 27b, the water level display unit 27c and the reserved operation setting display unit 27d A plurality of display windows 34 opened, a power on / off switch 21, a start / pause switch 22, a washing time setting switch 23a, a rinsing setting switch 23b, a dewatering time setting switch 23c, a dewatering rotation speed setting switch 23d, a reserved operation Setting switch 23e, water temperature setting switch 24a, course setting switch 24b, and water level It is integrally formed a plurality of operation buttons 35 which corresponds to the constant switch 24c or the like.

  In addition, the operation button 35 is pressed by forming the slit portion 35b so that the outer peripheral portion is separated from the peripheral edge 35a and connecting a part thereof to the peripheral edge 35a by the thin portion 35c. Then, due to the flexibility and elasticity of the thin portion 35c, a signal can be input to the switch 36 described later by bending the thin portion 35c as a fulcrum and moving the operation button 35 up and down.

  The control device case 37 illustrated in FIG. 3 is configured below the operation display panel 31. The control device case 37 includes a liquid crystal panel 38, a display element 39 made of LEDs, a switch 36, and a semiconductor (not shown). ), A control device 41 composed of a printed circuit board 40 or the like on which a microcomputer (not shown) is loaded and mounted, and the operation described with reference to FIG. 2 at the boss hole portion 37b provided on the outer flat portion 37a. It is fixed to the display panel 31 with screws or the like from the back side.

  The switch 36 operates in response to the operation button unit 35 being pressed, and the liquid crystal panel 38 corresponds to the liquid crystal display unit 26, the panel sheet transparent unit 29, and the opening 33, and includes an LED or the like. The display element 39 corresponds to the water temperature setting display unit 27a, the course setting display unit 27b, the water level display unit 27c, the reserved operation setting display unit 27d, and the display window 34.

  In FIG. 4, the panel cover 20 is disposed in front of the upper surface of the washing machine, and the cross section of the panel cover 20 is formed in a gently convex shape, and is formed of a plastic molded member having a film 42 inserted and molded on the surface.

  A transparent window 43 is integrally formed on the convex portion. For example, the transparent window 43 may be formed by forming the panel cover 20 with a transparent plastic molding material and the film 42 with a transparent sheet, and coating the transparent portion 27 other than the transparent portion 27 of the film 42 by painting or printing. .

  An operation display panel 31 is disposed inside the panel cover 20, and a control device case 37 having a control device 41 provided on the back side of the operation display panel 31 is disposed. To fix to the boss portion 45 integrally formed on the back surface of the operation display panel 31.

  The control device 41 is provided with a liquid crystal panel 38, a switch 36, a microcomputer (not shown) and the like, and a moisture-proof potting agent 46 made of a moisture-proof material made of polyurethane resin or the like is filled in the control device case 37. Then, moisture-proof treatment is applied to the front and back of the control device 41.

  The operation button portion 35 integrally formed on the operation display panel 31 so as to be movable up and down is formed in the upper surface of the panel cover 20 by a slit portion 35b formed near the lower front of the transparent window 43 of the panel cover 20, and is insert-molded. A signal is input to the switch 36 attached to the control device 41 by pressing the operation portion 42a formed in a convex shape on the film 42.

  In the vicinity of the operation unit 42a, the power on / off switch 21, the start / pause switch 22, the washing time setting switch 23a, the rinse setting switch 23b, the dehydration time setting switch 23c, and the dehydration rotation speed setting shown in FIG. Printing display of operation units such as the switch 23d, the reserved operation setting switch 23e, the water temperature setting switch 24a, the course setting switch 24b, and the water level setting switch 24c is performed.

  The corresponding position of the transparent window 43 of the panel cover 20 in the substantially central portion of the operation display panel 31 forms a recess 47, and an opening 33 is formed in the display portion 32 on the bottom surface of the recess 47 to cover the opening 33. Thus, the panel sheet 30 is affixed to the display unit 32 while the panel 33 transparent portion 29 of the panel sheet 30 shown in FIG.

  The control device 41 is provided with a liquid crystal panel 38 and a transparent case 48 made of a transparent material having a box-like shape with an open bottom and a substantially U-shaped cross section so as to cover the liquid crystal panel 38 from above. The opening lower end 48 a of the transparent case 48 is in contact with the upper surface of the control device 41. A plurality of notches 48b communicating with the inside and outside of the transparent case 48 are provided in a part of the lower end 48a of the opening of the transparent case 48 so as to be filled with a moisture-proof potting agent 46 made of a moisture-proof material. Further, the side wall is provided with one or a plurality of small holes 48c each having a diameter of about 0.8 mm so that the outer side and the inner side of the transparent case 48 have the same atmospheric pressure.

  The display portions 25a to 25e of the liquid crystal panel 38 are provided from the outside of the film 42 via the transparent case 48, further via the panel sheet transparent portion 29 of the panel sheet 21, and via the transparent window 43 of the panel cover 20. It can be seen.

  The opening area of the transparent window 43 of the panel cover 20 is formed to be smaller than the outer shape of the panel sheet 30, and when the panel sheet 30 is attached to the display unit 32 of the operation display panel 31, it is difficult to see the gap at the outer periphery. To enhance the beauty.

  In addition, on the outer periphery of the display unit 32 and the operation button unit 35 of the operation display panel 31, a concave groove portion 49 is provided on the entire periphery, and a rib 50 protruding downward is provided at a position corresponding to the concave groove portion 49 on the back surface of the panel cover 20. The rib 50 is configured to enter the recessed groove portion 49.

  In FIG. 5, the control device 41 is provided with a display element 39 composed of a plurality of LEDs and the like, and the display section 32 of the operation display panel 31 has a plurality of display windows respectively corresponding to the display elements 39 composed of a plurality of LEDs and the like. 34 is provided. The display window 34 is formed integrally with the operation display panel 31 and is configured such that the opening area gradually increases from the display element 39 side made of LEDs or the like toward the surface side of the operation display panel 31. The display window 34, that is, the operation display panel 31 is made of a non-translucent material and is not exposed to each other. The panel sheet 30 is attached to the display unit 32 on the upper surface of the display window 34. Yes.

  The light of the display element 39 made up of the lighted LED or the like illuminates the display printed on the panel sheet 30 through the display window 34, so that it can be seen from the outside of the film 42 through the transparent window 43 of the panel cover 20. It has become.

  The operation, operation, and effect of the operation display device configured as described above will be described below.

  1, 2, and 3, when the power on / off switch 21 constituting the power on switch is pressed and the course setting switch 24 b is pressed, the operation button portion 35 bends with the thin portion 35 c as a fulcrum, and the switch 36 is turned on. And a predetermined driving course can be selected. Next, when the start / pause switch 22 is pressed, the switch 36 disposed in the control device 41 can be turned on via the operation button unit 35 in the same manner, thereby starting operation.

  At this time, the control device 41 arranged below the operation display panel 31 is provided with a display element 39 composed of a plurality of LEDs and the like, and the operation display panel 31 corresponds to each of the display elements 39 composed of a plurality of LEDs and the like. By providing the plurality of display windows 34, it is possible to realize a configuration in which light is diffused without separately providing a diffusion case for diffusing the light of the display element 39 made of LEDs or the like in the control device 41.

  As a result, the control device 41 does not require a diffusion case, and the panel sheet 30 is directly attached to the display unit 32 that is the upper surface of the display window 34. For example, the surface of the panel sheet 30 is not uneven, and the aesthetic appearance can be improved.

  In addition, a liquid crystal display unit 26 is adopted as a display unit frequently used by a user, so as to be differentiated from other display units. For example, when it is desired to individually select the washing time, the number of times of rinsing, the dehydration time, the dehydration rotation speed, etc., the washing time setting switch 23a, the rinsing setting switch 23b, the dehydration time setting switch 23c, and the dehydration rotation speed setting switch 23d are pressed. Then, the operation button part 35 bends with the thin part 35c as a fulcrum, the switch 36 can be turned on, the setting is displayed on the liquid crystal panel 38, and then when the start / pause switch 22 is pressed, The switch 36 is turned on via the operation button unit 35 to start operation.

  A liquid crystal display that displays individual washing, rinsing, dehydration condition setting, remaining time, etc. is generally sensitive to moisture and moisture, so some measures are required. And explain the effect.

  For waterproofing and moisture-proofing of the attachment part of the liquid crystal panel 38 to the control device 41, a moisture-proof potting agent 46 for protecting the electrical components from insulation deterioration due to condensation or the like is injected into the front and back surfaces of the control device 41 to waterproof the liquid crystal panel 38. Is arranged so as to cover the transparent case 48 to improve the reliability.

  When the moisture-proof potting agent 46 is injected into the front and back surfaces of the control device 41, the gap between the control device 41 and the control device 41 is removed when the transparent case 48 is incorporated into the control device 41 so that the moisture-proof potting agent 46 quickly flows into the transparent case 48. Since the notch 48b is provided on the lower surface for providing, the moisture-proof potting agent 46 can be poured into the connection portion of the liquid crystal panel 38 inside the transparent case 48 with the control device 41, so that the quality can be improved. The work man-hours can be reduced.

  Further, by providing one or a plurality of small holes 48c having a diameter of about 0.8 mm on a part of the side surface of the transparent case 48 that completely covers the liquid crystal panel 38, the outer side and the inner side of the transparent case 48 that covers the liquid crystal panel 38 are arranged. At the same pressure, the occurrence of condensation on the inner surface of the transparent case 48 is suppressed, and the appearance is not lost. At the same time, the liquid crystal panel 38 absorbs water and prevents deterioration of insulation.

  A concave groove portion 49 is provided on the outer periphery of the display portion 32 and the operation button portion 35 of the operation display panel 31, a rib 50 protruding downward is provided at a position corresponding to the concave groove portion 49 on the back surface of the panel cover 20, and the rib 50 is a concave groove portion. 49, the water that has entered from the gap between the panel cover 20 and the operation display panel 31 flows into the concave groove 49 portion of the operation display panel 31, so that the panel sheet that covers the upper surface of the display unit 32 It can prevent adhering to 30, and can prevent the panel sheet 30 from being peeled off or detracting from aesthetics.

  As a result, the operation display device of the present invention does not pop out of the display case from the operation display panel as in the past, and even after the panel sheet is pasted, the surface of the panel sheet does not appear uneven. In addition, there is no worry that water or dust collects in the pasting part and peels off. Further, the reliability of the liquid crystal panel can be improved without causing condensation on the surface of the liquid crystal panel and causing anxiety to the user.

  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 present invention has a display case that does not protrude from the operation display panel as in the prior art, and the surface of the panel sheet does not appear uneven even after the panel sheet is pasted. There is no water or dust collecting on the attachment part, no worry of peeling, no condensation on the surface of the liquid crystal, and anxiety to the user. Since water does not enter the upper surface of the sheet and the appearance is not impaired, and the reliability of the liquid crystal panel can be improved, it can be applied to various devices having an operation unit and a display unit.

Top view of a main part of a washing machine equipped with an operation display device according to Embodiment 1 of the present invention. Exploded plan view of the operation display device Top view of the control device case incorporating the control board AA sectional view of the operation display device of FIG. BB sectional view of FIG. 1 of the operation display device Top view of the main part of a washing machine equipped with a conventional operation display device Exploded perspective view of the operation display device Cross-sectional view of the main part of the operation display device

Explanation of symbols

20 Panel cover 30 Panel sheet 31 Operation display panel 32 Display section 33 Opening 35 Operation button section 38 Liquid crystal panel 41 Control device 43 Transparent window 46 Moisture-proof potting agent 48 Transparent case 48b Notch 48c Small hole

Claims (4)

An operation display panel having an operation button section, a display section, and an opening in a part of the display section, a panel sheet attached to the upper surface of the display section, an operation section provided at a corresponding position of the operation button section, and A panel cover having a transparent window provided at a corresponding position of the display section, a switch disposed below the operation display panel and disposed at a corresponding position of the operation button section, and a plurality of disposed at corresponding positions of the display section And a control device on which a liquid crystal panel displaying the setting conditions and remaining time of washing, rinsing, dehydration, and the like is mounted, and the control device is made of a transparent material that completely covers the liquid crystal panel The operation display device is configured such that the upper surface of the transparent case is inserted into the opening of the operation display panel. The transparent case that covers the liquid crystal panel is provided with a notch at the lower end that is a contact portion with the control device, so that when the transparent case is attached to the control device, a gap is formed between the control device and the control device. The operation display device according to claim 1, wherein a moisture-proof potting agent is filled in front and back surfaces of the control device inside and outside the transparent case. The operation display device according to claim 1, wherein the transparent case that covers the liquid crystal panel has one or more small holes in a part of the side surface. An operation display panel having an operation button part and a display part is covered with a panel cover on the upper surface, and a concave groove part is provided so as to surround the operation button part and the display part. The operation display device according to any one of claims 1 to 3, wherein a rib is provided at a position corresponding to the groove portion, and the rib enters the groove portion.

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