TR201614112A2 - A household appliance with a control panel assembly - Google Patents

Abstract

Invention relates to a household appliance comprising a control panel assembly (10) with a front panel (11) wherein a plurality of holes (12) are arranged and a light guide (20) having rods (22) extending between each corresponding hole (12) and a light source (42) provided at a circuit board (40) attached to a base plate (25) at which the rods (22) are integrally formed.

Description

DESCRIPTION A HOME DEVICE WITH A CONTROL PANEL SYSTEM This invention includes a control panel system that allows its operation to be controlled. relates to a household appliance.

Home appliances are push and/or push buttons that allow the user to operate the appliance. on the rotary knobs and the user's understanding of the device's operation and features. control panel with illuminated indicators to inform include systems. In the light indicators, a printed circuit behind the dashboard light sources such as light emitting diodes (LEDs) on the board is used. Light source on the circuit board and a corresponding hole in the front panel transparent, which allows the light to reach the front panel from a light source A light guide made of material is placed. close together light between the light sources so that the lights of the sources do not interfere with each other. Opaque light blockers are used. During cleaning of the household appliance or for other reasons, there may be fluid inflow from the spaces around the holes.

Liquid entering through the gaps travels through the light blocker like a light source. When it reaches electronic components, it can damage the printed circuit board. interact with an electronic control board when pressed by the user a house comprising a panel body with multiple touch buttons that provide The device control panel system is explained. The control panel system also Each light channel on the electronic control card and having more than one light channel. light from a light source onto a limited surface area of the panel body wall. a light collector that illuminates the relevant button pressed by directing contains. It is mounted on the separator and extends out from the panel body to extend the light beams. oriented homogeneously. Adjacent light channels preferably in order to prevent them from each other with light blockers placed in the separator. is separating.

The purpose of this invention is to make the light shine so as to prevent water contact with the circuit board. a control panel that provides precise transfer from the source to the front panel is the realization of a household appliance containing the system.

For the above purpose, especially those placed in one or more vertical directions a front panel with multiple perforations and a corresponding placed on a circuit board located on the back of a base plate with a hole to the base plate, extending between an associated light source, such as an LED unit. a control with a light guide with integrally formed bars The subject of the invention is accessed by the household appliance containing the panel system. in the light channel a created flow path runs the water down through the bars to the base plate. directs. The flow path that diverts the water down is through the holes in the front plate. along the light guide due to the gravity of the incoming water droplets, the circuit It allows it to be directed away from the card.

The flow path is located above the base plate, especially in the vertical direction. along more than one inclined element, one of which is between two adjacent bars is created. Each inclined element inclined towards the front panel with the relevant rod inserted into the hole by entering through the hole above on the It collects the transported water and directs it away from the circuit board.

In one embodiment of the invention, the base plate is located between two adjacent bars. there is an opening. Each inclined element is placed under a corresponding opening. It is located along the flow path and towards the back of the opening. extends. The water follows the opening below the top bar, gravity, It ensures that more water can be collected into the flow path. of the base plate The water droplets reaching the back wall are passed through an openly formed inlet. is removed from the back wall.

The flow path is a chamber formed by the inclined element having a concave shape. contains. Thus, the correct collection of water in the inclined element and the front It is directed towards the side.

The base plate and the circuit board are attached to an interior of the front panel by means of the fastening element. is attached to the wall. The base plate covers the circuit board and the base The water droplets reaching the plate are discharged through the flow path.

A light blocker made of an opaque material will extend between the rods. by mounting it on the back of the base plate and away from the corresponding light sources. blocks the light emitted by any of them. Each bar is only the corresponding light Since it collects the light from the source and transfers it to the front panel, the neighboring light to a transparent light guide without interfering with the lights emitted by the sources. A compact control panel system can be obtained. contains. When the rods are inserted into the corresponding through holes, the rods rear extensions from each other in such a way as to prevent light passing through the rods to each other. is separating. There is a niche where he sits. The end of the groove integrated into the base plate is enclosed within the cavity so that the light carried from the base plate Any leakage in the light guide is prevented by being imprisoned in it. A support frame located on the inner wall of the front panel, the hole and the outer end of the bar. surrounds. The support frame ensures the stability of the control panel system. It increases and transfers the water to the routing path. The bars attach to the baseplate, the baseplate to each bar, the back of each bar It is placed in a way that divides the part to be longer than the front part.

More distance between the longer rear baseplate and the circuit board thus increasing the security of the circuit board.

The base plate includes an outer frame that presses against the inner wall of the front panel.

The control panel system is equipped with a waterproof inner wall when the base plate is installed. forms.

Other advantages of the inventive home appliance with a control panel system are, applications will be explained with reference to the attached figures; promise from the subject figures, Figure 1, the corresponding light sources of a front-loading drum washing machine The front of a control panel system with two rows of holes illuminated by is the view.

Figure 2 is an embodiment of the invention, of the control panel system shown in Figure 1. exploded view.

Figure 3 is a section view of the control panel system.

Figure 4 shows a detail of the control panel system from the back of a light guide. perspective view.

Figure 5 is a front perspective view of the light guide shown in Figure 4.

Figure 6 shows the control panel system relative to a front panel of the washing machine. is the rear perspective view of a detail.

REFERENCE NUMBERS 1. Enclosure 2. Detergent drawer 3. Rotating button 4. Imaging unit . control panel system 11. Front plate 12. Hole 13. Inner wall 14. Support frame 16. Room 17. Buttonhole 18. Fixing element 19. Mounting plate . light guide 21. Fly 22. Stick 23. Inclined element 231. Hopper 24. baffle wall . base plate 251. Center hole 252. Side gutter 253. Inner frame 254. Bottom gutter 26. Dis frame 28. Side bracket 29. Openness . light blocker 31. Upper arm 32. Hollow 33. Lower arm 34. Open hole . Rod 36. Bottom hook 40. Circuit board 42. Light source 44. Card plate 45. Rocker switch F. Flow path In this detailed description, the present invention is solely with the examples given in order to provide a better understanding of the subject. will be disclosed.

Figure 1 shows a front-loading drum front-loader with a control panel system (10). washing machine is shown. In the following example, this invention is a laundry Although it is described for use in the home appliance of the invention, Without departing from the scope of protection of the invention as defined herein, a dryer washer-dryer, an oven Etc. It is clear that it can happen.

The control panel system (10) consists of a drum in which the laundry to be washed is placed. (not shown in the figures) on the front of a housing (1) in which it is is mounted. A pull-out detergent drawer (2) is located at the front of the housing (1). It is mounted slidably to the side. On the front of the enclosure (1), A display unit (4) is also located on the control panel system (10). takes. In the embodiment of the invention shown in Figure 1, the control panel system (10), mounted on a rocker switch (45), a rotary motion that enables the device to select its operating parameters. button (3) is located.

As shown in Figure 2, the control panel system 10 is especially a faceplate (ll) with multiple through-holes (12) lined up in a straight line contains. In the embodiment shown in Figure 1, the front plate (1 l) Two rows of holes (12) next to (3), aligned vertically, parallel contains.

The control panel system (10) also consists of a front plate (l 1) located behind the front plate. such as light emitting diodes (LEDs) aligned with a corresponding through hole (12) of the plate (11) it includes a circuit board (40) having more than one light source (42).

A light guide (20) is placed between the front plate (1 1) and the circuit board (40). and a base plate (25) and a light transverse to the base plate (25) extending between one of the welds (42) and the corresponding hole (12) of the front plate (11), It includes more than one rod (22) produced from transparent material. an advantageous In the figure, the entire light guide (20) is, for example, injection molded. It is produced from a transparent material. Each of the bars (22) on the front plate (11) corresponds to a hole (12). Size of one end (21) of a rod (22) suitable for sitting in the hole (12). Base plate (25), cross bars (22) it holds together and each bar (22) is a front and a rear section. divides into two parts When a user selects a predefined washing program or The control panel system (10) displays its operating status or the selected action corresponds to the light produced by a relevant light source (42). shows the guide (20) with a light signal carried over to the front plate (11).

In this invention, on the light guide (20), through the holes between the rods (22). (12) dashed in Figure 3, which diverts the passing water downwards towards the base plate (25). A flow path (F) indicated by the line is created. Flow path (F), light The water reaching the guide (20) is discharged vertically by the weight of the water droplets. ensures that.

In the embodiment shown in the attached figures, the flow path (F) is located on the base plate (25). area, in particular, in one or more vertical directions as shown in Figure 5. extending between two adjacent rods (22), each of which is shown in Figure 3 The area is designed to collect the spilled water from the bar (22) above and remove it from the circuit board. (40) away from the front of the control panel system (10). It consists of more than one inclined element (23).

In another embodiment of the invention, the base plate (25) runs along the flow path (F). contains more than one opening (29) and each inclined element (23) It is placed below (29) and extends to the rear of the opening (29) water moving down the back of the front of the soleplate (25). provides orientation.

In another embodiment of the invention, each inclined element (23) It has a concave shape forming a reservoir (231) that allows it to be collected.

In accordance with the structural features of the light guide (20) shown in the attached figures, the baseplate (25) is a specially designed base plate (25) located between each pair of neighboring rods (22). an inclined member (23) extending above the lower bar (22) and the upper bar (22) on the lower part of the adjacent bar (22) towards the inclined element (23). a baffle wall (24) extending into the chamber (231). Inclined element (23) with the corresponding baffle wall (24) above the base it forms an opening (29) facing the rear of the plate (25). Like this, The water droplets on the back of the soleplate (25) block the baffle wall (24). on the inclined element (23), in particular into the respective chamber (231). falling, moving in the vertical direction with the effect of gravity (29) transmitted to the front.

In one embodiment of the invention, a fastening element in a flexible hook structure (18) extends on an inner wall (13) of the front plate (11). Base plate (25) and the circuit board (40), an inner part of the front plate (11) by means of the fastening element (18). It is attached to the wall (13).

In one embodiment of the invention, shown in Figure 3, an opaque material is produced. light blocker (30) light mounted on the back of the base plate (25) by connecting the light guide (20) with the front plate (11) of the light guide (20). It is ensured that the blocker (30) is fixed between them. Light blocker (30), the light produced by the neighboring light source (42) lying between the rods (22). it prevents it from reaching the rod (22) that is not connected to it.

In one embodiment of the invention, the light blocker 30 has a respective Multiple open holes (34) in which the rear extension of the rod (22) is inserted In another embodiment of the invention, light blocker (30) each A corresponding part of the base plate (25) located between two adjacent through-holes (34). It contains more than one cavity (32) in which the inclined element (23) enters.

As shown in the attached figures, the light blocker (30) is vertically side by side. it includes the cavities (32) listed. Light blocker (30) to light guide (20) When mounted, an inclined element 23 is placed in each cavity 32 .

An open hole (34) between the side walls of the two opposing cavities (32) being formed, the back of the rod (22) is inside the open hole (34) Connect the rear end (22) to a light source such that light is projected onto the front end (21). (42) is approaching.

In Figure 4 the light guide 20 is shown from the front. Light guide (20), advantageous somehow, it is a monolithic machined from clear plastic by injection molding. is the panel. A central hole (251) located in the center of the base plate (25), ensure that the tooth extension of the rocker switch (45) can pass through the base plate (25). it provides. On the lower circumference of the base plate (25), for example, a rectangle There is a lower groove (254) in the form of a shape-fit the base plate (25) axially in the inner wall (13) through a corresponding protrusion that engages is aligned. Two opposing side grooves on the sides of the base plate (25) (252) is located. A side bracket 28 extends within the side groove 252 and to the base plate (25) by means of fixing elements (18) extending from the inner wall (13). it is interlaced. The rods (22) are formed by two opposing sides of the base plate (25). are lined up in two vertical parallel directions parallel to the side edges. Each a bar (22), a base plate (25), a neighbor under each bar (22). opening (29) with a straight section forming a baffle wall (24). is surrounded. The number of rods (22) is the hole (12) in the front plate (ll). is equal to the number. Two parallelly spaced extensions form an inner frame 253, The water droplets flowing from the rod (22) are vertical, on the front of the base plate (25). It ensures that it is kept in a limited area in the direction.

In Figure 5 the light guide 20 is shown from behind. From the back to the front light guide (20), by means of the long rods (22) at a safe distance from the circuit board (40) so that it is prevented from reaching the board (40). are held. A curved element (23) with access to the opening (29) looking at the corresponding bar (22) from behind.

Figure 6 is a rear perspective view of the front plate (11). Inside of front plate (11) wall (13), a support frame (14) surrounding each row of holes (12) contains.

A buttonhole (17), surrounded by a slump and two vertical support frames It is in the form of a circular hole located between (14). Support frame (14), horizontal It is a stepped structure with two parallel lateral extensions divided by extensions. a hole (12) and the outer end of the corresponding rod (22) in the front plate (11) it forms rooms (16) around it.

In one embodiment of the invention, the base plate (25) is attached to the inner wall (13) of the front plate (1 1). a suppressing outer frame (26). shorter than the front of the rod (22) outer frame (26) from outer circumference of base plate (25) to inner wall (13). extends and a sealing nerve is formed around the holes (12) in the inner wall (13). forms.

For mounting the control panel system (10), the light guide (20) (22) inside, from the front, with each end (21) visible through the corresponding hole (12). it is attached to the wall (13). A lower hook 36 extending from the inner wall 13 (254) lies behind it and compacts the circuit board (40) with the light blocker (30). keeps it together somehow.

When a washing machine is stored at home, For example, a water droplet formed during cleaning comes out of the holes in the front plate (l 1). When it enters from one of the (12), the water droplet will get into one of the chambers (16) on the inner wall (13). is being collected. When the amount of water in the chamber (16) increases, the water droplets flow. It reaches the inclined element (23) thanks to its path (F) and the front of the base plate (25) transferred to the party. Vertical positioning of the base plate (25) As a result, the water droplets move away from the baffle wall (24) with an adjacent lower slope. is directed to the elements (23). Thus, on the base plate (25) water is basically a sloping gradient that runs in the same vertical direction intermittently. it follows a vertical path formed by the elements (23).

Claims (11)

1. l - A household appliance comprising a control panel assembly (10) having: - a front panel (ll) wherein a plurality of holes (l2) are arranged; - a Circuit board (40) placed at the rear of the front panel (l 1) and provided with a plurality of light sources (42); - a light guide (20) arranged between the front panel (l 1) and the Circuit board (40) and comprising a base plate (25) and a plurality of rods (22) transversal to the base plate (25) and extending between a light source (42) and a corresponding hole (12) of the front panel (11) characterized in that a flow path (F) is defined on the light guide (20) adapted to guide water penetrating through the holes (12) between the rods (22) downwards along the base plate (25).
2. 2- A household appliance according to claim l, wherein the base plate (25) comprises a plurality of sloping elements (23) defining the flow path (F) each sloping element (23) being arranged between two of the neighboring rods (22) for collecting water trickling from the above rod (22) and for guiding such water away from the Circuit board (40).
3. 3- A household appliance according to claim 2, wherein the base plate (25) comprises a plurality of opening (29) along the flow path (F), each sloping element (23) being arranged below a corresponding opening (29) and extending towards the rear side of the opening (29) such that it guides water moving down from rear side to the front side of the base plate (25).
4. 4- A household appliance according to claim 2 or 3, wherein each sloping element (23) has a concave shape, defining a receptacle (231).
5. 5- A household appliance according to any one of the preceding claims, wherein the base plate (25) and the circuit board (40) are jointly attached to an inner wall (13) of the front panel (1 1) by means of a fastening element (18).
6. 6- A household appliance according to one of the preceding claims, wherein a light blocker (30) made of an opaque material is mounted at the rear side of the base plate (25) and it extends between the rods (22) to block the light provided by each of the corresponding light source (42).
7. 7- A household appliance according to claim 6, Wherein the light blocker (30) comprises a plurality of through-holes (34) in each of which the rear extension of a correspondent rod (22) is accommodated.
8. 8- A household appliance according to Claims 2 and 7, Wherein the light blocker (30) comprises a plurality of cavities (32) each arranged between two neighboring through-holes (34) such that a corresponding sloping element (23) of the base plate (25) fits inside the cavity (32).
9. 9- A household appliance according to any of the preceding claims, Wherein an inner wall (13) of the front panel (l 1) comprises a support frame (14) surrounding each hole (12) and the outer end of the corresponding rod (22).
10. 10- A household appliance according to any of the preceding claims, Wherein the rods (22) are arranged at the base plate (25) so that the base plate (25) divides each rod (22) into two sections with the rear section longer than the front section of each rod (22).
11. 11- A household appliance according to any of the preceding claims, Wherein the base plate (25) has an outer frame (26) pressing towards an inner wall (13) of the front panel (1 l).