RU2438071C2 - Control module - Google Patents

Abstract

FIELD: engines and pumps.

SUBSTANCE: control module of oven door at least with one control member has the possibility of being inserted at least partially into the oven door cavity. Control members include switches and indicating panels. Control module includes at least one indicating panel and at least one rotary switch, and keys are located on edges of indicating panel. Oven door is described.

EFFECT: simpler erection, service and operation.

21 cl, 6 dwg

Description

Technical field

The invention relates to a control module for a door of a household appliance, especially a device for heat treatment of products, to a corresponding door of a household appliance, as well as to a household appliance with such a door.

State of the art

From DE 29722024 U1 there is known a glass door for household appliances made with the possibility of switching on which or in which the so-called "glass keyboard" is integrated. At the same time, the control panel is the transparent glass door itself. The "glass keyboard" may include a liquid crystal display or monitor. There may not be a control film. The result processing unit needed for the control device is located in a low temperature, insulated region of the oven. The disadvantage is the relatively expensive manufacturing and repair. In addition, e-service is becoming a drawback especially for users with low vision or limited haptic ability. Also, the durability of electrical and thin-film components is not guaranteed.

Pushbutton switching elements, the control panel of which is made of a glass plate, are also known from DE 29919792 U1.

A microwave oven is known from DE 3037277 A1, in which electronically controlled working devices for manual control are located on the door. In this case, keypads are located located behind the front surface of the door, which according to this device can pass mainly to the space of the furnace. Since the door occupies the entire front surface, a separate control panel may be unnecessary.

A microwave oven is known from DE 3829913 A1, in which the switching means, setting means and / or indication means are integrated in the door of the heat treatment chamber, namely behind the front face wall.

DE 20103517 U1 describes a device for heat treatment of products with a functional door of a device for heat treatment of products in which contacts in the form of a film are deposited on a door, and especially an indication is configured to project onto at least partially a transparent door, for example, as in the case of the so-called projection indicator. An indication and / or service element may also be detached on the door of the product heat treatment device.

An oven door is known from WO 97/26486 with controls integrated in the handle.

From EP 1120606 A2, a door of a product heat treatment device is known, comprising a control switch and display panels that correspond to the dimensions of the front side of the door. Such a door is made and mounted relatively difficult.

Disclosure of invention

The objective of the invention is to create the ability to easily and economically manufacture, as well as simple to mount, easy to maintain and in an improved way to manage controls.

The problem is solved using the control module according to claim 1, using the door of a household appliance according to paragraph 24 and using a household appliance according to claim 25. Advantageous embodiments of the invention are contained especially in the dependent clauses individually or in combination with each other.

The control module contains at least one control element and is configured to at least partially mount the device for heat treatment of products into the recess of the door.

In this case, the control module can be a building block or functional unit that is part of the whole and can be changed or replaced without needing to influence the remaining system or change it (Bibliographisches Institut & FA Brockhaus AG, Mannheim; Spektrum Akademischer Verlag GmbH , Heidelberg, 2003). In a favorable case, it can be a housing made with the possibility of separation from the door of a household appliance with at least one or more controls built there.

This control module has the advantage over distributed, individual controls that it requires fewer installation steps, the installation steps being simpler, and the module is more easily replaceable. Compared with the elements located behind the front surface of the door, there is an advantage in that it is possible to produce a door of a smaller thickness, since the body can protrude outward. In addition, a wide variety of switching elements (handles, toggle switches) is possible, which can also be made with the possibility of improved control. Compared to the control devices located on the door, there is the advantage of a more reliable fastening, for example, fixing on the door, the advantage of a design that protrudes less forward, and the advantage of easier connection to other components of the device, for example, power supply.

In addition to the controls (switches, knobs, keys, latches, etc.) and / or indicator elements (LED indicators, alphanumeric indicators, such as liquid crystal raster panels, etc.), the control module may include appropriate electrical devices and / or electronics, as well as suitable communication media for transmitting data to other components, for example cables, cable entries, a processing unit and / or control electronics, wireless transmitters or the like.

To reduce heat absorption from the door or from the internal space of the household appliance - for example, from a heat treatment chamber - the control module contains mainly one protruding outward (when viewed from the household appliance) part, which, after installation in the door, protrudes outward from the door surface, as well as one inserted into the recess, and this part preferably protrudes back from the part inserted into the recess. Due to this, the thickness or mounting depth of the door can also be reduced and the serviceability can be improved.

It is advantageous when the plug-in part of the control module contains especially electrical and / or electronic components, while the part protruding outward contains especially control elements. Due to this arrangement, it is possible to create a large control panel that can also protrude beyond the notch from the side (up, down, left and / or right when looking at the door from above), while the notch itself can remain small, which is useful from the point of view thermal insulation.

It can be advantageous if you provide a part of the control module that protrudes from the side (when looking at the door) beyond the recess or the part of the control module that is inserted into the recess. This will be advantageous in terms of heat dissipation and increased ease of maintenance.

Due to the sealing of the inner space of the door relative to the surrounding space, it will be advantageous if the part protruding to the side (i.e., to the left side, to the right side, up and / or down) behind the recess is configured to be mounted on the front door panel (for example, external or front plate) of the appliance door, especially with a seal.

To further seal the side of the appliance door, especially with openings at the sides, it will be advantageous if the control module has a cover for closing at least one part, preferably part of the side edge of the appliance door, this part being opened by a recess . Further favorable is the presence in the area of the seal cover to the side edge of the appliance door.

It can be advantageous, for example, for easier replacement and for better fastening of the control module, if the cover protrudes laterally beyond the region of the (upper, lower, left and / or right) side edge.

The above takes place especially in the case of doors that close one side of the household appliance without using a control panel. Optimization of thermal insulation is especially beneficial for doors with a completely glazed (if necessary, except for a narrow frame) surface.

To optimize the function of the control module, it will be favorable if the predominant number of controls, especially all controls without exception, are located in one single control module. At the same time, he needs only one single recess in the door and thereby one single process of installation and fastening. It also becomes easier and repair, consisting in replacing the entire control module.

For simple maintenance, it is advantageous when the control module comprises at least one indicator window, for example a raster tunable liquid crystal display, as well as at least one rotary switch or knob. In this case, it is especially advantageous when at least one rotary switch is located under the display panel.

For improved, especially simple and intuitive operation, it will be favorable when the keys are located on the side of the display panel, especially if the keys are located on the left side and / or on the right side of the indicator field, especially if the keys are located symmetrically on the left side and on the right side of the indicator panels.

It will also be advantageous if the keys are buttons, since then they can essentially form a plane with the display panel.

For example, it will be advantageous for enhanced user convenience and improved cleaning ability when the keys and the display panel are covered with a common lid, especially a common plate, for example a plastic plate.

Particularly advantageous is the control module, in which the display panel and / or keys are located in the area of the part protruding outward, and this area is opposite to the part inserted into the recess, since in this way the control electronics and the result processing unit can be located near these controls, especially near the display panel.

It will also be advantageous if at least one rotary switch is located on a part protruding laterally from the recess and in particular mounted on the door panel, since in this way the size and position of the rotary switches are not limited to the recess, and the recess can be small. This is applicable since rotary switches do not require an appropriate result processing unit or, compared to the control electronics, the switch can be simple and small.

In order to avoid that the user engages in the edge of the control module, the part protruding forward is advantageously beveled at least partially on one edge region, usually from the front surface to the back, for example, to the front door panel. To maintain the large size of the control module, it is advantageous when the part protruding laterally from the recess is especially beveled, especially in the direction of the front door curtain. In this case, the part protruding from the side of the recess can be chamfered in one or several directions (for example, on the left side, on the right side and / or up or down). It will be especially advantageous when the control module is beveled (for example, a chamfer) on the side facing away from the edge of the door of the household appliance. Controls, such as rotary switches, can also be located in an area that is partially beveled and partially not beveled.

For simple maintenance, it will be advantageous if the switches are arranged in pairs symmetrically with respect to the middle axis of the control device. The middle axis may be perpendicular to the edge of the appliance door, and may especially be the vertical middle axis.

For reliable fastening, the control module comprises in the back region, especially in the part inserted into the recess, at least one fastening element, especially a threaded hole for receiving the screw.

The problem is also solved by the door of the household appliance, especially the door of the device for heat treatment of products, especially the door of the oven, the door comprising at least one recess for receiving at least one of the control modules described above, into which the control module can be mounted. The door can be especially a door for devices for heat treatment of products, especially for ovens.

It will be advantageous if the control module is partially inserted into the recess of the door, and partially protrudes outward. Advantageously, the plug-in part of the control module contains especially electrical and / or electronic components, while the part protruding outward contains especially control elements.

Depending on the needs, the recess may be located at various depths in the door of the household appliance. To minimize the effect of a recess on the appliance door, only a front door panel, such as a front plate, must be provided with a recess. Depending on the requirements, for example, the internal structure of the door, the type of control module or cooling requirements, the recess can also be carried out through other door elements, such as other door panels, partition walls or insulating areas. It is also possible for the recess to pass through the entire door of the device, and thus a part of the control module mounted in the recess can pass through the door.

The recess may comprise or comprise, for example, an open side opening of at least a front door panel; this is advantageous for easier installation. Alternatively, the recess may be surrounded on all sides by the material of at least the front panel. The recess may also be open on both sides. It is also possible that the recess is made differently at different positions of the door, for example in the form of an open side recess in the front plate and in the form of a closed recess in the plate lying behind it.

The part protruding outward may also protrude in any direction (i.e., to the left side, to the right side, up and / or down) beyond the part inserted into the recess.

It may also be advantageous if the door contains a completely glass frontal surface in which a recess is made. Especially in the case of a fully glass door, it will be advantageous if the door handle is integrated on the side of the door.

The problem is also solved with the help of a household appliance, especially a device for heat treatment of products containing the door described above, with at least one of the above, intended for installation by the control module. This is especially true for household appliances without a separate control panel.

Brief Description of the Drawings

In the following drawings, the invention is described using schematic embodiments. These embodiments do not limit the invention, which is determined by the scope of the claims. Identical parts are identified by the same reference numbers with continuous numbering.

Figure 1 shows a sketch of an angle view from the outside of the built-in oven with a control module.

Figure 2 shows the front side of the control module of figure 1, a view under

angle.

Figure 3 shows the rear side of the control module of figures 1 and 2, a view under

angle.

Figure 4 shows a sectional view of the control module of figures 1-3, a side view.

Figure 5 shows the front side of the controls, an angle view.

6 shows schematically a lot of options for equipping the oven door, a top view of the front side.

The implementation of the invention

Figure 1 shows the door 1 of the oven, and in this door 1 is integrated control module 2. The oven door 1 completely covers the front of the oven, and thus the oven does not require a separate control panel. The oven door 1 comprises, on its outer side or on the front side, an outer glass plate 4 as a front door panel, the glass plate 4 being held by a narrow metal frame 3 and extending over the entire surface. For thermal insulation, the oven door 1 further comprises an inner glass plate 5, as a result of which an inner door space is formed between the plates 4, 5. In addition to them, there may be other glass plates. A panel 6 is installed in this inner door space, which, among other things, serves as a protection for the organs of vision and for directing the air flow. Thanks to the cutout 7 in the panel 6 creates a viewing window. In the panel 6 in the lower part there are ventilation slots 8 for supplying fresh air. The upper outlet vents are not shown here. The door 1 of the oven is configured to open and close using the handle 9 located on the side.

The control unit 2 projects from the outer glass plate 4 forward and upward. Its front side lies partially parallel to the surface of the outer glass plate 4, but is beveled in the lower edge region towards the outer glass plate 4. The protruding sides of the control unit 2 are not beveled, and the part that protrudes upwards is also not beveled.

Figure 2 shows the control module 2 of figure 1 in a front view at an angle in more detail. The control module 2 contains in the common housing 10 an indicator device in the form of a raster liquid crystal display 11, on which three touch keys 12 are located on the left and right sides. The liquid crystal display 11 and the keys 12 are covered with a single plastic plate 13. On the side under the liquid crystal display 11 two rotary handles are located as additional switches 14. The handles 14 are also located at the side under the part 15 inserted into the recess, on the part 16 protruding from the outside of the device door 1. Part 16, protruding from the outside of the door 1 of the device, is beveled partially downward; the handles 14 are partly in the beveled area, partly in the beveled area. At the upper edge, the control module 2 comprises a cover 17, which can close one edge of the appliance door and frame a plastic plate on one side.

The indicator 11, the keys 12 and the handle 14 are located symmetrically with respect to the vertical midline I-I.

Figure 3 shows the control module 2 of figures 1 and 2, a rear view at an angle. The recessed part 15 has electrical connections 30 as an area 24 for receiving electronics. The seal 25 surrounding the rear marginal region is clearly visible. In the area of the rotary switches 14, the seal 25 is adjacent to the front side of the door and seals the door interior and the control unit 2 from the environment. In the upper rear edge region, which is closed here by the upper cover 17, the seal 25 extends just below the cover 17, as also shown in FIG. 5 further. It can be seen that the plastic plate 13 is located approximately in front of the part 15 inserted into the recess.

The control module 2 comprises, for fastening to the door 1 of the device, among other things, two threaded holes 21 integrated in the housing 10 into which fastening screws (not shown) are screwed.

FIG. 4 shows a control module 2 of FIGS. 1-3, in cross-sectional side view along line I-I of FIG. 2, integrated in the door 1 of the product heat treatment apparatus. You can see the protruding part 16, indicated by the arrow to the right, as well as part 15, inserted into the recess 28 of the outer plate 4, indicated by the arrow to the left. The protruding part 16 contains controls, such as handles 14, located behind the plastic protective plate 13, a liquid crystal display 11, as well as touch keys (not shown), which are all together in a single housing 10. Part 15, inserted into the recess 28, contains an electronic a device 29 for processing signals of the controls 14. There is also a speaker 31 controlled by an electronic device 29, which serves, for example, for the production of clicking noises during the rotation of the handles 14.

It is clearly seen that the part 27, which refers to the projecting towards the side part 16 of the control module 2, protrudes from the side downward to the recess 28 indicated by the corresponding arrow, adjoins the seal 25 to the outer plate 4. The rotary switches 14 are thus also located on the front side doors, if necessary, at a short distance. Part 27, protruding beyond recess 28, shows a bevel 32 to the front front plate 4. Rotary switches 14 are located partially in a surface parallel to the front glass plate 4, partially in the beveled part 32.

It is also seen that the top cover 17 covers part of the side edge of the door 1 of the device for heat treatment of products and is sealed with a seal 25. The cover 17 protrudes upward from the upper side edge of the door 1 of the device for heat treatment of products, which is formed in this cutout by a strip 26.

The recess 28, in which the control module 2 is inserted, is made only in the outer glass plate 4. The second glass plate 5 lying behind it has no recess for receiving the control module 2. The recess 28 here is a recess open from the side up.

The outer glass plate 4, the second inner glass plate 5, the strip 26 and the partition wall 22 provided for thermal insulation of the lower region of the door interior space 18 define a camera 20 for accommodating the control module, which is closed by the control module 2. In the chamber 20 for accommodating the control module is located in the recess 28 part 24 of the electronics housing with electronics 29.

For further thermal insulation of the chamber 20 for accommodating the control module and the door interior space 18, there is a door ventilation opening 19 through which warm air can exit from the area opposite the heat treatment chamber. Further, in the strip 26 there is a ventilation hole 23 through which the rear side of the chamber 20 is cooled to accommodate the control module.

5 shows another control module 33 with an indicator device 11 and touch keys 12, which comprises separate handles 34. The lower edge 35 of this control module 33 is the outwardly protruding part 36 and at the same time protrudes from the side downwards for the insertion part 15. Thus, here too, the display 11 and the keys 12 are located on the front panel of the door. The lower edge also contains the beveled portion 37.

Alternatively, the rotary switches 14 can also be integrated laterally into the control module 33, that is, integrated into the housing. For example, a part protruding from the left or right side beyond the recess may include a rotary switch and also beveled, for example, down and / or left or right.

In another embodiment, for example, the cover may be located at the bottom, and the control module may be beveled upward, especially when located on the underside of the door.

Figure 6 shows a sketch of a top view of the front door panel 38 with five selected examples of the location of the recesses 39-44, which are marked by dot-dash areas A1-A6. Areas A1-A6 in a particular embodiment may be present one at a time, several or in combination with each other, namely at any suitable portions of the oven door. Hereinafter, the position of the dividing walls, which define the camera 20 for accommodating the control module, for example strips, ribs, insulating walls and so on, is represented by a dotted line in the door interior, while the outer border of the control module on the outside of the front 38 is represented by dashes.

In the region A1, the recess 39 is open upward to the outer front plate 4 and, thus, the module can be inserted, for example, from above. However, he can also protrude up. The corresponding dotted thermal limitation in the door interior surrounds the recess to the upper portion and thus defines a camera 20 for accommodating the control module. The protruding part of the control module protrudes here left and right, as well as down for the thermal limit or for the area for the control module, and if necessary, also up.

In the case where better thermal shielding is required, the area for placing the control module can be selected such that the protruding part of the control module extends, for example, in the lateral direction (left, right, up and / or down), but does not protrude beyond the area to accommodate the control module.

In region A2, the protruding part of the control module extends only downwardly beyond the recess and beyond the region for accommodating the control module, and in region A3 only from the side.

Area A4 shows a structure functionally similar to area A1, but on the left side of the door panel 38. The control module may also protrude laterally from the edge of the front door panel 38.

Region A5 differs from regions A1-A4 in that the recess 43 is completely surrounded by an external panel 38. The protruding part of the control module protrudes here laterally in all directions from the recess and beyond the area for the control module.

The area A6 corresponds in design to the areas A1 and A4, the recess 47 is open towards the lower side of the panel 38, therefore, the lid is also located on the lower side of the control module.

It is also presented that a plurality of recesses (in this case, areas A1-A3) are separated by a common heat separator or partition from the hot area of the door 38.

The invention is not limited to the above embodiments. Although use in the case of hot / cold doors is particularly advantageous, the invention can be applied to all household appliances equipped with a door.

Also, for example, the door can be equipped with other walls, for example, from metal, plastic and so on. These walls are also not necessarily transparent. In the case of transparent plates, materials other than glass may also be used.

In addition, ventilation is not required to be performed as shown in the embodiments. So, for example, air can be conducted around the heat treatment chamber in a different way. The inlet and outlet openings may be arranged differently and so on. It is also possible to completely abandon ventilation; also the door can be made without a hollow interior.

Further, a plurality of modules may be located in a recess, and alternatively, or in addition to this, a plurality of recesses may be used, and in each of them there will be one module.

Claims (21)

1. The control module for the oven door, with at least one control, the control module is configured to at least partially insert into the recess of the oven door, characterized in that the controls include switches and display panels, the module The control includes at least one display panel and at least one rotary switch, and keys are located at the edges of the indicator panel. 2. The module according to claim 1, characterized in that it comprises a part inserted into the recess, and a part protruding outward from the recess. 3. The module according to claim 2, characterized in that the part inserted into the recess protrudes from the rear side. 4. The module according to claim 2, characterized in that
- the part inserted into the recess contains essentially electrical and / or electronic components, and
- the part protruding outward contains essentially controls. 5. The module according to one of claims 1 to 4, characterized in that the part protruding outward contains a part protruding to the side of the recess. 6. The module according to claim 5, characterized in that the part protruding to the side of the recess, made with the possibility of installing on the front door panel of the oven door, especially with a seal. 7. The module according to one of claims 1 to 4, 6, characterized in that it comprises a cover for closing at least part of the side edge of the oven door. 8. The module according to claim 7, characterized in that the lid protrudes to the side beyond the adjacent side edge region. 9. The module according to claim 1, characterized in that at least one rotary switch is located under the display panel. 10. The module according to claim 1, characterized in that the keys are located on the left side and / or on the right side of the display panel. 11. The module of claim 10, characterized in that the keys are located symmetrically on the left side and on the right side of the display panel. 12. The module of claim 10, wherein the keys are push buttons. 13. The module according to one of paragraphs.10-12, characterized in that the keys and the display panel are covered with a common cover, especially a common panel. 14. The module according to one of paragraphs.8-12, characterized in that the indicator panel and / or keys are located in the region of the part protruding outward, and this region is opposite to the part inserted into the recess. 15. The module according to one of paragraphs.8-12, characterized in that at least one rotary switch is located on the part protruding from the side of the recess. 16. The module according to claim 2, characterized in that the part protruding forward is beveled at least partially on one edge region. 17. The module according to p. 16, characterized in that the part protruding from the side of the recess, beveled, especially in the direction of the front door panel. 18. The module according to one of p. 16 or 17, characterized in that it is beveled on the side facing from the edge of the oven door. 19. The module according to one of paragraphs.7-12, characterized in that the switches are arranged in pairs symmetrically with respect to the middle axis (I-I). 20. The module according to claim 1, characterized in that it comprises in the rear region at least one fastener, especially a threaded hole for receiving the screw. 21. Oven door, characterized in that it contains at least one recess for at least partially accommodating at least one of the control modules declared in one of the previous paragraphs.

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