DE10345198B4 - Module for controlling a hob - Google Patents

Abstract

Module for controlling a hob (1), comprising a housing for receiving control electronics, wherein the housing has an upper housing shell (22) and a lower housing shell (23) which are releasably connected to each other and the housing (22, 23) made of plastic wherein on the housing (22, 23) at least one functional element (24, 26, 28, 34, 36, 37, 38, 46) is formed, characterized in that the functional element as a receptacle (26) for plug contacts (15) is formed, which are held in the receptacle (26).

Description

The present invention relates to a module for controlling a hob, with a housing for receiving control electronics and a corresponding cooktop, and a female connector for contacting the module and a stove with a module receptacle for the module.

Such a module for controlling a hob is off DE 197 23 247 C2 known. There is described an arrangement with a stove and a hob, in which the stove associated with actuators for operating the hob and the stove is connected to the hob via at least one data line and a mains voltage line. In this arrangement, a plug-in module is connected to the end portion of a wiring harness of the hob, which has plug pins for power supply, a plug for a serial interface, an electronic board and hob-specific relay. An on-the-stove plug module counterpart has an electronic circuit board, a switching axis with coding switch and a power supply module.

The DE 102 00 317 A1 describes a control and electronic module of an electric cooker with a control panel and a printed circuit board, wherein the circuit board between a front cover and a rear cover is encapsulated, each consisting of a plastic.

The invention has for its object to provide a universal, easy to handle and cost-effective interface for different combinations of hobs with herds available.

This object is achieved by a module for controlling a hob with the features of claim 1, and by a hob with the features of claim 14 and by a female connector for contacting the module with the features of claim 15, and by a stove with the features of Claim 24 solved.

The module for controlling a hob is equipped with a housing for receiving the control electronics. Characterized in that the housing has an upper housing shell and a lower housing shell, which are detachably connected to each other, the housing can be reopened, for example, to exchange or repair the control electronics, so that the module can be used thereafter. The housing is made of plastic, which makes it easy and inexpensive to manufacture.

In the hob with the module for control, the module is arranged on a cable or a harness of the hob. The fact that the module includes the control electronics for the hob, the control electronics in the hob can be reduced or completely eliminated. Thus, more space for a design design of the hob is available, whereby the possibility of variation of differently shaped hobs is increased.

In the stove with a module receptacle for the module for controlling the hob, the module receptacle on a female connector for contacting the module. In this way, the hob can be powered by plugging the module into the female connector of the module receptacle from the side of the hearth with electrical power as well as with control signals.

At least one functional element is formed on the housing of the module. Particularly easy and inexpensive, the functional element can be molded to the housing when the housing and the functional element are made of the same plastic in one piece.

The functional element is designed as a receptacle for plug contacts. In this way, the plug contacts can be mounted on the module without a separate component for receiving the plug contacts must be attached to the module. The receptacle for the plug contacts can also be designed to receive a plug unit with a plurality of plug contacts. In particular, the plug contacts are floating. In this way, component tolerances can be easily compensated.

In particular, the functional element is designed as a latching element, with which an electronic control unit is releasably secured in the housing and / or with which the upper housing shell is detachably connected to the lower housing shell and / or with which the module is releasably secured in a module receptacle. Thus, an electronic circuit board, on which the control electronics for the hob is arranged, are releasably secured in, for example, the lower housing shell by means of one or more locking elements. Furthermore, spacers may also be provided between the lower housing shell and the electronic circuit board, so that sufficient cooling of the control electronics is ensured. Such a spacer can also be integrally formed as a functional element to the lower housing shell. The upper housing shell can be releasably secured to the lower housing shell by means of one or more locking elements, so that the housing can be opened again. On the outside of the case can be formed at least one further locking element with which the module can be mounted in a module receptacle. In this way, the connection between the module and the module holder can be solved again and it is possible to remove the module from the module holder, for example, to exchange it for another, or to repair it.

Advantageously, the functional element is designed as a screw receptacle. Thus, it is possible that the upper housing shell is bolted to the lower housing shell, also in addition to a locking means of locking element. In particular, when the screw is loosened, the module can be released from the module receptacle by screwing in a pull-off screw into the screw receptacle. This is particularly useful when the module is firmly locked in the module holder by, for example, a snap hook.

In a preferred embodiment, the functional element is designed as a strain relief for at least one cable. In this way, the strain relief is formed in particular for power lines and control lines of the hob directly to the housing, so that a separate component for the strain relief can be saved. Advantageously, the functional element is resilient. In particular, a resilient strain relief is formed on the lower housing shell, with which a cable can be firmly clamped. On the upper housing shell a rigid strain relief is formed so that the strain relief and thus the cable or the lines can be fixed by the lower housing shell is bolted to the upper housing shell.

According to a preferred embodiment, the functional element is designed as a guide for a movable display button. The display key indicates a proper mounting condition of the module in a module receptacle. In particular, the guide has a height stop against which pushes the display button with mounted module by means of a compression spring, wherein pressed on the display button with mounted module by means of a compression spring, wherein integrally formed on the display button at least one compression spring. This display button can be made visible in a simple manner, if the module is properly mounted in the module holder, so that a proper contact of the module and thus the hob is guaranteed.

Advantageously, the housing has a recess for contacting the control electronics. In particular, the contacting of the control electronics of a fault diagnosis or programming of the control electronics. In this way it is possible to maintain the module or to check the functionality of the control electronics or to change it by programming, without it being necessary to open the module, which significantly simplifies the maintenance.

The female connector for contacting the module has a plastic molded part, whereby the female connector can be easily and inexpensively manufactured. In particular, at least one functional element is integrally formed on the plastic molded part. This is particularly advantageous because the functional element can be made of the same plastic as the plastic molded part in a manufacturing process.

Advantageously, the functional element is designed as a holder for a tab. In the holder a tab is mounted, which can be performed by inserting the tab into the holder in a simple manner without additional support components. In a preferred embodiment, the functional element is designed as a bushing guide. In particular, the bushing guide serves as Berührschutz, so that can be dispensed with a cover of the socket and thus a further component is saved. A socket is pressed into the socket guide of the socket strip. This socket is electrically connected to the tab, in particular in that the socket projects into a recess of the tab. In this way, at the same time the tab is fixed in the plastic molding of the female connector.

The invention and its developments are explained in more detail below with reference to drawings:

• 1 eine schematische Darstellung von einem Kochfeld mit einem Modul zur Steuerung und einem Herd mit einer Modulaufnahme,
• 2 eine perspektivische Außenansicht des Moduls schräg von oben,
• 3 eine perspektivische Außenansicht des Moduls schräg von unten,
• 4 eine Innenansicht des Moduls,
• 5 eine Buchsenleiste einer Modulaufnahme,
• 6 einen Querschnitt durch das in der Modulaufnahme montierte Modul.

Show it

• 1 a schematic representation of a hob with a module for control and a stove with a module recording,
• 2 an external perspective view of the module obliquely from above,
• 3 an external perspective view of the module obliquely from below,
• 4 an inside view of the module,
• 5 a female connector of a module receptacle,
• 6 a cross section through the module mounted in the module holder.

In 1 is schematically a hob 1 with a module 2 for controlling the hob 1 and a stove with a module holder 4 shown. The stove top 1 has four cooking zones 5 with a different number of cooking zones 6 different shape and size, with a different number of hobs 5 with other cooking zones 6 can be provided. In a front area 7 of the hob 1 there is a display element 8th and controls 9 , wherein position and number of both the display element 8th as well as the controls 9 can vary. In the area of cooking zones 6 are sensors 10 eg provided for cooking vessel recognition. Furthermore, the hob includes 1 a signal interface 11 for control signals from and / or to the module 2 and a power input 12 in particular for a supply of the cooking zones 6 with electrical heating power.

The module 2 is with the hob 1 through power lines or a first cable 13 and by control lines or a second cable 14 connected. The first cable 13 serves to supply the cooking zones 6 with electrical power, in particular with electrical heating power. The second cable is used to transmit control signals from the hob 1 to the module 2 or from the module 2 to the hob 1 , Furthermore, the module has 2 plug contacts 15 for electrical contacting of the module. Based on the control signals is in the module 2 the power supply of the individual cooking zones 6 of the hob 1 regulated. To supply the hob 1 with the corresponding electrical power is the power input 12 of the hob 1 with the module 2 over the first cable 13 connected, in particular for each cooking zone 6 includes a separate cable core, so that the performance of each of the cooking zones 6 can be supplied separately. About the second cable 14 with control lines can be control signals of the controls 9 and / or control signals of the sensors 10 from the hob 1 to the module 2 and / or display signals for the display element 8th from the module 2 to the hob 1 be transmitted. In this way, the power supply to the individual cooking zones 6 through sensors 10 and / or controls 9 of the hob 1 be influenced, for example, a connection of cooking zones 6 by means of a sensor 10 for cooking vessel recognition.

The stove 3 has an aperture 16 with a display element 17 and a first control 18 for the operation of the stove 3 and four other controls 19 to operate the four cooking zones 5 of the hob 1 on. On an upper deck surface 20 of the stove 3 is the module recording 4 for the module 2 intended. The module holder 4 has a female connector 21 for electrical contacting of the module 2 on. About the socket header 21 and the plug contacts 15 becomes the module 2 supplied with mains voltage and possibly also with low voltage, for example, 9.6 volts. Furthermore, over the socket strip 21 and the plug contacts 15 Control signals from the stove 3 to the module 2 and / or from the module 2 to the stove 3 transmitted.

In 2 is the module 2 shown in an external perspective view obliquely from above. The module 2 is equipped with a housing for receiving control electronics, wherein the housing consists of an upper housing shell 22 and a lower housing shell 23 that exists with the help of locking elements 24 are releasably connected together. Furthermore, on a side surface 25 of the module 2 plug contacts 15 visible in a picture 26 for the plug contacts 15 are held. On a narrow side 27 of the module 2 is on the upper housing shell 22 a rigid strain relief 28 for the first cable 13 and the second cable 14 to the hob 1 integrally formed on a cover page 29 of the module is a movable display button 30 visible, with which a proper mounting state of the module 2 in the module holder 4 can be displayed.

In 3 is the module 2 shown in an external perspective view obliquely from below. On the side surface 25 is a recess 31 for a serial interface used to program the module 2 can be used. Furthermore, the floor area 32 of the module 2 several openings 33 on, through which the control electronics can be contacted, in particular for fault diagnosis. In this way it is possible the module 2 to wait without having to open it. At the bottom surface 32 is a strain relief 34 intended for a grounding cable.

In 4 is an inside view of the module 2 shown. On an electronic board 35 is the control electronics for the hob 1 arranged. The electronic board 35 is with locking elements 36 detachable in the lower housing shell 23 attached. Between the electronic board 35 and the floor area 32 the lower housing shell 23 are spacers 37 in one piece on the lower housing shell 23 molded, so that a sufficient cooling of the control electronics is guaranteed. On the electronics board 35 If a comb can be plugged between plug-in lugs of relays, this ensures that clearances and creepage distances are maintained. Furthermore, on the narrow side 27 the lower housing shell 23 resilient strain reliefs 38 molded to the first cable 13 and the second cable 14 to the hob 1 tightly clamp. The resilient strain reliefs 38 and thus the first cable 13 and the second cable 14 be through the rigid strain relief 28 the upper housing shell 22 fixed when the upper shell 22 with the lower housing shell 23 connected is. The plug contacts 15 are in the recording 26 stored floating, so that they correspond to the in 4 shown arrow directions are displaced. Thus, during assembly of the module 2 in the module holder 4 Manufacturing tolerances between the position of the plug contacts 15 and the socket strip 21 be compensated. Furthermore, in 4 the display button 30 with molded compression springs 39 shown. These springs 39 when the housing is closed then press against a height stop (not shown) and are thus taut when the module 2 in the module holder 4 is mounted. Will the module 2 from the module holder 4 removed, so relax the springs 39 and thereby pull the display button 3 back to a starting position.

In 5 is a female header 21 the module recording 4 shown. The socket strip 21 has a plastic molding 40 on. On the plastic molding 40 are holders 41 for flat connectors 42 formed. In these brackets 41 are flat connectors 42 mounted, what by plugging the tab 42 in the respective holder 41 can be performed without further support components. Furthermore, on the plastic molding 40 bush guides 43 educated. In the bush guides 43 are sockets 44 pressed. The bushings guides 43 overtop the jacks 44 upwards and thus serve as shock protection, allowing for a separate cover of the sockets 44 can be waived. Each of the sockets 44 is with one of the tabs 42 electrically connected. In particular, the socket protrudes 44 through a recess 45 of the flat connector 42 through, causing the tab 42 in the plastic molding 40 is fixed.

6 shows a cross section substantially along the line VI - VI in 2 through that in the module holder 4 mounted module 2 , The module 2 has a locking element on the outside 46 on with the module 2 through a counter-locking element 47 the module recording 4 releasably secured in the module holder By the counter-latching element 47 will be during assembly of the module 2 in the module recording the display button 30 pushed upwards so that they are with the cover side 29 of the module 2 concludes. In this way, the proper mounting condition of the module 2 in the module holder 4 displayed. The module 2 can from the module recording 4 be solved in which in a screw receptacle 48 a pull-off screw 49 is screwed in on a face 50 the socket strip 21 empty turns and thus the module 2 from the module holder 4 suppressed.

LIST OF REFERENCE NUMBERS

1

hob

2

module

3

stove

4

module mounting

5

cooking

6

cooking zone

7

front area of the hob

8th

display element

9

operating element

10

sensor

11

Signal interface of the hob

12

Power input of the hob

13

first cable with power lines

14

second cable with control cables

15

plug contacts

16

cover

17

display element

18

Operating element for operating the oven

19

Operating element for operating the cooking zones

20

upper deck of the stove

21

receptacle

22

upper housing shell

23

lower housing shell

24

locking element

25

side surface

26

Recording for plug contacts

27

narrow side

28

rigid strain relief

29

cover page

30

mobile display button

31

Recess for serial interface

32

floor area

33

openings

34

Strain relief for grounding cable

35

Electronic board with control electronics

36

locking elements

37

spacer

38

resilient strain relief

39

compression springs

40

Plastics molding

41

Brackets for flat connectors

42

tabs

43

bush guides

44

sockets

45

Recess of the tab

46

Locking element of the module

47

Counter catch element of the module holder

48

screw receptacle

49

Extractor

50

Face of the socket strip

Claims (24)

Module for controlling a hob (1), comprising a housing for receiving control electronics, wherein the housing has an upper housing shell (22) and a lower housing shell (23) which are releasably connected to each other and the housing (22, 23) made of plastic wherein on the housing (22, 23) at least one functional element (24, 26, 28, 34, 36, 37, 38, 46) is formed, characterized in that the functional element as a receptacle (26) for plug contacts (15) is formed, which are held in the receptacle (26). Module after Claim 1 , characterized in that the functional element as a latching element (24, 36, 46) is formed, with the control electronics (35) releasably secured in the housing (23) and / or with which the upper housing shell (22) with the lower Housing shell (23) is detachably connected and / or with which the module (2) in a module receptacle (4) is releasably attached. Module after Claim 1 or 2 , characterized in that the functional element is designed as a screw receptacle (48). Module after Claim 3 , characterized in that the module (2) by screwing a peel screw (49) in the screw receptacle (48) of a module receptacle (4) is released. Module according to one of the Claims 1 to 4 , characterized in that the functional element as a strain relief (28, 34, 38) for at least one cable (13, 14) is formed. Module according to one of the Claims 1 to 5 , characterized in that the plug contacts (15) are mounted floating. Module according to one of the Claims 1 to 6 , characterized in that the functional element is designed as a guide for a movable display button (30). Module after Claim 7 , characterized in that the guide has a height stop against which the display button (30) presses with mounted module by means of a compression spring (39). Module according to one of the Claims 1 to 8th , characterized in that the functional element is resilient. Module according to one of the Claims 1 to 9 , characterized in that the housing (23) has a recess (31, 33) for contacting the control electronics (35). Module after Claim 10 , characterized in that the contacting of the control electronics (35) of a fault diagnosis or programming of the control electronics is used. Display key for a module according to one of the Claims 1 to 11 , characterized in that the display button (30) indicates a proper mounting state of the module (2) in a module receptacle (4). Display key after Claim 12 , characterized in that on the display button (30) integrally formed at least one compression spring (39). Hob with a module for controlling according to one of the Claims 1 to 11 , characterized in that the module (2) on a cable or a harness (13, 14) of the hob (1) is arranged. Female connector for contacting a module according to one of Claims 1 to 11 , characterized in that the socket strip (21) has a plastic molded part (40). Receptacle after Claim 15 , characterized in that on the plastic molded part (40) at least one functional element (41, 43) is integrally formed. Receptacle after Claim 16 , characterized in that the functional element as a holder (41) for a tab (42) is formed. Receptacle after Claim 17 , characterized in that in the holder (41) a tab (42) is mounted. Receptacle after Claim 16 , characterized in that the functional element is designed as a bushing guide (43). Receptacle after Claim 19 , characterized in that the bushing guide (43) serves as a contact protection. Receptacle after Claim 19 or 20 , characterized in that in the bushing guide (43) has a bushing (44) is pressed. Receptacle after Claim 18 and 21 , characterized in that the socket (44) is electrically connected to the tab (42). Receptacle after Claim 22 , characterized in that the bush (44) projects into a recess (45) of the tab (42). Stove with a module holder for a module according to one of the Claims 1 to 11 , characterized in that the module receptacle (4) has a female connector (21) according to one of Claims 15 to 23 for contacting the module (2).

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