DE8003067U1 - OPERATING TABLEAU - Google Patents

Description

G. Bauknecbt 4 February 1980

Company with _y

limited liability ^J '

P.O. Box 983

7000 Stuttgart 1

Control panel

The invention "relates to a control panel for programming a microcomputer-controlled household appliance, in particular an electrically heated baking or roasting oven, according to the preamble of claim 1.

Such a control panel for a roasting and oven has already become known on the market. Using this control panel, an oven can be used for a fully automatic or only partially automatic operation can be programmed. A fully automatic operation requires the entry of the end the roasting or baking time, its duration and the associated temperature. The program duration and the temperature can be varied in many ways, already assigned to one another as fixed programs programmed in the microcomputer so that they have a common program code can be entered. In the case of semi-automatic operation, all you need to do is enter the duration of the roasting or baking time and the associated time Temperature or alternatively only a certain program code number. In this operation, the operator however, monitor the end of the baking time. It is also possible to fry or bake in a conventional manner by simply entering the temperature and manually monitoring the duration and thus the end of the baking time.

-6-

I I I I I

• *

t I

I ·

ι ι «

The preselection and entry of the various parameters for fully automatic and semi-automatic operation can be done with the familiar control panel in an arbitrary order be made. The entered values are displayed by the display device. The activated preselection key lights up. If the operator is disturbed while entering the program or does not pay his full attention, so it can happen that the input of one or the other parameter is initially forgotten. If with fully automatic Operation only the temperature and possibly the program duration is entered, the microcomputer assumes and the device starts up. The same applies to planned semi-automatic operation if only the temperature is preselected will. Undoubtedly, the operator could of course recognize by the non-illuminated program preselection buttons, which program parameters have not yet been entered. However, this requires a certain amount of operator attention. If the entry is made in a different order, e.g. starting with the planned fully automatic operation with the end of the program, then the program duration or vice versa, and starting with the intended semi-automatic operation with the program duration and the entry of the associated temperature will be forgotten for some reason the already programmed entries are deleted after a certain waiting time. The device does not start at all. The same thing happens if a program duration is entered that would exceed the specified end of the program. The operator must in all these cases repeat the programming in the knowledge of not knowing what is happening in the Initial programming was forgotten or entered incorrectly.

The object of the invention is to provide a control panel for ^ Programming a microcomputer-controlled, electrically heated roasting or baking oven to create the disadvantages of the known control panel does not have, but the

Operator already during the programming input indicates incorrect or missing entries.

The task is solved according to the characteristic of the claim

Another object of the invention is to provide a control panel to create, with which two roasting or baking ovens that can be operated individually or independently of one another can be programmed, the operator also advises of incorrect or missing entries while the program is being entered will. This aim is achieved according to the characterizing part of claim 2.

The solution according to the invention has the advantage that the light-emitting diodes flash, only light up and, if necessary, go out compulsorily. guide the operator during programming, whereby the flashing prompts for the input, the lights up the input and, if necessary, the extinguishing the next step to the next preselection button acknowledged and after the correct programming by lighting up the second or third light emitting diode in one or both of them Time preselection buttons confirmed.

Further advantages can be found in the subclaims and the explanation of the exemplary embodiment.

With washing and drying devices there is an operating status level became known that the operator forcibly leads through the programming after switching on the machine by first of all, all the LEDs for the wash programs that can be selected flash red. If one of these program keys is pressed, so all LEDs of the selectable temperature levels light up and flashing red. The LEDs of the program buttons are switched off, only the light-emitting diode of the pressed button switches from flashing to lighting. After pressing one of the selected Program suitable temperature level, the flashing light-emitting diodes go out, only the light-emitting diode of the pressed one The temperature level switches from flashing to lighting. Immediately

■ * · ■ · ■■ · f

! • III ··)

II I I I I I

III, ι · ·

4 I UI Il till Il *

- 8th -

«It

I III

I Il

I I I

Are the LEDs? of the additional programs flashing green on. If one or more of these additional programs is pressed, the green flashing light-emitting diodes go out, only those of the pressed buttons switch from flashing to light. If none of the additional programs is selected, the green go out flashing LEDs only when the start button is pressed.

This control panel does not have a 10-digit input keyboard for time and temperature levels, but includes rather, programs and additional programs programmed in the microcomputer, which are interrelated by correct selection can be combined. No additional time entries are required here, which would draw the operator's attention require. It is therefore not necessary to let the light-emitting diode go out as confirmation of the correct

ßin.

and the lighting up of a second light-emitting diode in the time preselection buttons as confirmation of the completed Programming.

The invention is explained in more detail below using an exemplary embodiment.

The drawing shows a control panel for programming two baking or roasting rooms arranged one above the other. The control panel has three functional units. In the left area, the electronic digital display device 1 with the preselection state 2 for entering the start and correction of the time of day and the preselection key 3 for the duration of a completely independent minute minder. In the middle area is the 10-digit input keyboard M- for entering times in minutes or hours and minutes, as well as temperatures in C and fixed temperature levels. The area on the right has almost all of the preselection buttons. Button 5 is used to preselect the end of roasting or baking time, while button 6 is used to preselect the roasting or baking time. Both buttons are assigned to the programming of both baking rooms. The upper horizontal row of keys 7 is assigned to the upper baking chamber, the key 9 having no function.

■ I

14 t

The key 10 is used to preselect fixed temperature levels, the Button 11 is also used to preselect a fixed temperature level with reduced air speed, which is specially designed for roasting on an open rack. The button 12 is used to switch the circulating air fan on and off directly without heating and button 13 to switch off the upper oven.

The lower horizontal row of keys 8 is assigned to the lower baking chamber. The key 14 is used to preselect individual temperature inputs, the key 15 to preselect a fixed temperature level, which is provided for roasting with the grill device located in the roasting oven. The button 16 is used to directly switch both oven lights on and off, which are independent of the rest of the system. The button 17 is used to switch off the lower oven. Any pre-selection keys are constructed as touch keys, and known to be provided with a arranged in the touch panel light-emitting diode 18 except the keys 2, 13 and 17 · The time preselection keys 5i6 have inventively 2 more light-emitting diodes 19, ^f 19, 20, 20 * on which the confirmation or Confirm the correct and completed programming, with the LEDs 19, 19 'light up when the upper oven and the LEDs 20, 20' light up when the lower oven has been programmed. Appropriately, a further electronic digital display 21 for temperature and temperature level display is provided in the lower row of preselection keys 8 below the key. When the temperature level display is displayed, the light-emitting diode 23 and the associated light bar lights up, and when the temperature is displayed, the light-emitting diode 24 with the associated light bar. Finally, a separate light-emitting diode 25 is also provided between the upper and lower preselection key rows 7 »8, which lights up in the event of a fault and blocks further inputs.

The program input via the control panel designed according to the invention is described below using a desired one fully automatic roasting process closer

»I Il II <II '(« I 1 IIII ^W * - *

II (I t < r,,,

- "10" -

explained.

We would like to end the roasting time by 12.30 p.m. The roasting time according to the recipe book is 1 hour and 45 minutes, at a Brattemperatür of 200 ⁰ C. The operator touches the first preselect key 5 with the symbol of Bratzeitendes. The light-emitting diode 18 immediately begins to flash, which is to be understood as a request to enter the time for the end of the roasting time. The time of day 12.30 p.m. is entered using the 10-digit keypad 4. The light-emitting diode switches from flashing to lighting, thereby confirming the programmed time entry. The light-emitting diode 18 in the button 6 immediately begins to flash, as regards the request to touch this button in order to preselect the roasting time. If this key has been touched, the light-emitting diode 18 switches from blinking to lighting and the light-emitting diode 18 in the key 5 goes out. The time for the roasting duration of 145 is now entered using the keyboard 4. The light-emitting diode 18 in the button 6 goes out and all the light-emitting diodes 18 in the preselection button rows 7-8 start to flash. The operator is prompted by this flashing to preselect the appropriate frying temperature, where he must make the decision whether to use the upper or lower frying space. Assuming she decides to use the lower oven, she touches the key 14 with the temperature symbol. All LEDs 18 in the other preselection buttons go out immediately. Only the light-emitting diode in the key 14 switches from flashing to lighting, which means the request to enter the desired roasting temperature via the keyboard 4. When this is done, the light-emitting diode in button 14 goes out and the light-emitting diodes 20, 20 'in the time preselection buttons 5 »6 light up; , -. · / '»''' ■ '■ ^; ' ' γ. · ', ι' _ ' ^: and confirm that

fully automatic operation has been correctly programmed for the lower roasting chamber. The entered temperature input is displayed in the display panel 21, at the same time the light-emitting diode 24 lights up with light bars, as an indication that the entered temperature has been programmed for the lower oven.

-11-

- 11

It would also be conceivable to use the light-emitting diodes 18 in the time preselection buttons 5j6 "each time you move on to the next Do not extinguish the preselection button, but keep it lit.

The programming of a semi-automatic roasting process begins by touching the 6 key. The rest of the procedure is analogous to the fully automatic roasting process described above. The entered times are displayed in the display field 1 during the entry, then go out again, so that the time of day is constantly displayed. The times entered can be made visible again in display field 1 after the corresponding preselection button has been touched.

The microcomputer is programmed so that it does not assume unrealistic times of the day, such as 2500 or 1261. An entered length of time for the roasting or baking time, which would exceed the preselected roasting or baking time end from the current time of day, is not accepted. The same applies to excessively high temperature entries from 280 ° C, or excessively high temperature levels, from level 8. However, the microcomputer not only refuses to accept such incorrect entries and deletes them immediately, but also advantageously leaves such incorrect time information in the digital display device 1, or unacceptable temperature or temperature steps inputs as long flashing light up in the digital display device 21, until the operator inputs korrigiert- in wrong time inputs, for example, in selective full-automatic operation, as well as flashes the light emitting diodes 18, 19, 19 ', 20, 20 ¹ in the time preselection buttons 5 »6. The operator is informed of the incorrect entries made by the microcomputer via the inventive control system, and in the case of incorrect time entries also of the preselection area for which they were preselected, so that the incorrect entry is clearly recognized and the correct data is entered .

Claims (12)

Protection claims 1. Control panel for programming a microcomputer-controlled household appliance, in particular an electrically heated baking or roasting oven, consisting of a main switch for switching the device on and off, a preselection keyboard, consisting of individual buttons for selecting a program, selecting the end of roasting or baking time, the operating time of the roasting or baking time and the roasting or baking temperature, a 10-digit input keyboard for the preselected parameters, a digital, electronic display device for the parameters entered and the display of the time of day, as well as a preselection button to enable the input and correction of the time of day A light-emitting diode is arranged in all preselection keys, characterized in that a second light-emitting diode (19 »19 ^Τ ) is arranged in each of the preselection keys (5> 6) for the end and duration of the roasting or baking time. 2. Control panel according to claim 1 for a household appliance with two roasting or baking ovens arranged one above the other, which can be operated individually or together, characterized in that, that in the preselection buttons (5,6) for the end and the duration of the roasting or baking time each have a third light emitting diode (20.20 ') is arranged. tf IfIt fl f 3. Control panel according to claim 2, characterized in that the preselection keys (5,6) for the end and duration of the roast or At least twice the baking time in terms of its height are made as large as the other preselection buttons. 4. Control panel according to claim 2 and 3, characterized in that the light-emitting diodes (19.19 ', 20.20') symmetrically across the height dimension the preselection buttons (5,6) are arranged in a distributed manner. 5. Control panel according to claim 2 and 3, characterized in that in addition to the preselection buttons (5,6) for the end and duration of the roasting or baking time, two rows (7,8) of the further preselection buttons are arranged horizontally one above the other. 6. Control panel according to claim 5, characterized - marked that the top row Preselection buttons (7) are assigned to the upper row and the lower row of preselection buttons (8) to the lower oven are· 7- control panel according to claim 5 and 6, characterized characterized in that the upper row of preselection keys (7) has a switch-off key (13), a key (10) for preselection of fixed programs, one button (11) for preselection of the frying setting for roasting on the wire rack and a button (12) for independent fan operation without heating and the lower row of preselection buttons (8) one switch-off button (17), one button (14) for preselecting the temperature and a button (15) for the grill element. - 3— «■ · t -it as ■ ·« ι ι «* ···· ♦ · · (Il I * «» · · t 1 * (lit I · «! ·· tt t (If ■ · «■ Il« I -3- 8. Control panel according to claim 5 ^ is 7, d a d u r c Ii characterized in that in the lower row of preselection keys (8) an additional electronic Digital display device (21) for the exclusive display of the entered temperature or temperature levels is arranged for both ovens. 9. Control panel according to claim 8, characterized in that that the digital display device (21) has two light-emitting diodes arranged one above the other (23,24) and two light bars arranged next to the light emitting diodes are assigned. 10. Control panel according to claim 1, characterized that below the digital electronic display device (1) the selection key (2) for releasing the setting of the time of day and another preselection button (3) for the preselection the setting of a minute minder that is independent of the rest of the system ". 11. Control panel according to claim 1 to 10, characterized characterized in that the preselection and input keys are designed as sensor fields. 12. Control panel according to claim 11, characterized in that the light emitting diodes are integrated into the sensor fields. 13 · Control panel according to claims 5 "to 8, thereby characterized that between the upper and lower row of preselection keys (7, 8) an additional, for the malfunction display serving light-emitting diode (25) is arranged. -4-