DE102008048882A1 - Direct plug-in connection system comprises power semiconductor module and housing, where power semiconductor module comprises circuit board with integrated conductor path to semiconductor element forming relay - Google Patents

Abstract

The direct plug-in connection system comprises a power semiconductor module and housing. The power semiconductor module comprises a circuit board (1) with an integrated conductor path (4) to a semiconductor element (6) forming a relay. The circuit board has a plug-in connector-section (5), and the conductor path extends partially into the plug-in connector section. An independent claim is included for a cooking device with an installation space.

Description

The The present invention relates to a direct plug connection system. comprising at least one power semiconductor module and at least one Housing, wherein the power semiconductor module via a connector with at least a first complementary Plug for the purpose of electrical connection releasably connectable is, in particular for a cooking appliance, as well as a Cooking appliance.

One Example of a relay element forming a semiconductor element are so-called solid-state relays (also called semiconductor relays). These are realized with transistors or thyristors or triacs. They work without moving parts and allow AC voltage to switch during a zero crossing, bringing disturbing Pulses can be avoided. A galvanic isolation is used with solid-state relays by optocouplers integrated in the component reached. In the prior art electronic components in the form of solid state relays mostly via screw or Contacted solder joints.

From the DE 102 31 219 C1 a pressure-contacted semiconductor relay is known. In this case, the semiconductor relay consists of a ceramic substrate, arranged on the surface of semiconductor devices, a multi-part housing with recesses for attachment to a base or heat sink, power and auxiliary connection element and a control device, wherein for connecting an external conductor to the semiconductor devices, the connection elements as terminals are designed with a clamping screw for secure electronic contacting.

The DE 36 04 313 A1 discloses a power semiconductor module having a housing and terminal elements for external terminals or control terminals, which are provided with a plug connection. Through the use of the connectors it is possible to insert the connection elements for external connections only after inserting a populated and soldered substrate into the housing. The formation of the external terminals for external contacting is not specified or described in more detail.

The DE 10 2004 031 623 B4 describes a power semiconductor module with resilient terminal contact, comprising a housing for receiving a plurality of electronic components and connection elements for external electrical connection, wherein at least one connection element is guided in a guide shaft of the housing, and the module further comprises a bonding surface in an interior of the housing and a resilient terminal contact, which forms an electrical connection with an external terminal surface in the mounted state, outside the interior. Thus, a connection between a power semiconductor and a terminal contact via a bonding wire.

From the DE 38 18 369 C2 For example, a wiring module for electrically connecting a plurality of electrical parts is known, to which, inter alia, solid-state relays can be connected, which uses a card edge contact as a wiring plug and another connector by means of wires via a screw connection to a solid-state relay is attached.

A circuit module is from the DE 11 2005 000 245 T5 US-5,195,188 discloses a generic direct plug connector system wherein end portions of certain busbars of a busbar panel element are bent and secured to an insulated housing to form a connector. Respective semiconductor elements, which function as switching elements, are connected to the bus bar plate elements so as to be mounted on molten solder.

A disadvantage of the known bonding techniques described above is that they are expensive to manufacture. Namely to make solder joints at a site of a solid-state relay or fastened screw is namely time-consuming, labor-intensive and possibly faulty, which means control lines can be fixed incorrectly and thus short circuits are generated. In the case of dismantling, in particular, the desoldering is complicated. A simple disassembly possibility of a solid-state relay is of great importance, since a solid-state relay does not have a switch contact for enabling, and thus even in a switched-off circuit via a blocking resistor of a power semiconductor high-impedance a switched voltage is pending, so the DIN VDE 0105-100 (Unlocking electrical systems) is not met.

So far are therefore separate switching devices z. In the form of fuses, provided to achieve an activation.

task The present invention is therefore the generic Direct plug connection system such that the Disadvantages of the prior art are overcome. Especially a solid-state relay is to be optimized so that a electrical connection cost-effective, reliable and reliable to manufacture and easy to detach, preferably by means of a solderless compound, which also not relies on a screw connection.

These The object is achieved according to the invention in that the power semiconductor module has a board with at least one integrated conductor to at least one relay forming Semiconductor element, the circuit board includes a connector section at least partially in the connector section extends.

there may be a direct plug connection system according to the invention be characterized by at least a first connecting element the circuit board and at least a second connecting element of a housing and / or at least one other with the board and / or the connector section element to be connected, preferably in the form of a second complementary Plug, in particular the first connector, wherein the two connecting elements releasably connectable to each other for loss security, wherein preferably the first connecting element has a first recess, in particular in the form of a detent hole, and / or the second connecting element a projection or an extension, in particular in Shape of a latching hook, and / or the first connecting element provided in the connector section.

Farther It is proposed that a erfindungemäßes direct connector system comprises at least one coding section of the board, in particular comprising at least one recess, a second recess, a Nose, an extension element and / or a surface structuring, preferably in the connector section.

Also it is preferred that the housing, in particular electrical, insulating and / or at least partially with a potting compound is filled.

Farther is proposed with the invention that the housing at least in part of the area of the connector section the board placed in the housing has a third recess, in particular the circuit board and / or the connector section at least partially arranged within the third recess such is or are that the board and / or the connector section within the third recess ends, preferably the board and / or the connector section do not have a Outside surface of the housing in the area of third recess protrudes and / or the connector section the placed in the housing board at least partially extends out of the housing, wherein at least a part the board in the stored, in particular fixable, is.

It is particularly preferred that on the housing, in particular in the region of the third recess, at least a third connecting element and at the first connector connectable to the connector section and / or second plug at least a fourth connection element is formed, wherein the third connecting element and the fourth Connecting element for releasably fixing the first connector and / or the second connector to the connector section in Interaction occur, in particular a detachable connection, like a clip connection, locking connection, non-positive Connection, positive connection and / or bayonet connection, received.

After all is proposed with the invention that the housing Part of a cooking appliance is, and / or the semiconductor relay Part of a power supply, especially in the form of a solid state Relay is formed, wherein preferably the semiconductor relay with a control or regulating device of the cooking appliance, in particular via the direct plug connection system, connectable is.

Farther the invention provides a cooking appliance with at least one Direct plug connection system according to the invention.

there it is preferred that the direct plug connection system be in one of arranged a cooking chamber separate installation space or at least partially integrated in the same, the installation space is preferably at least partially coolable and / or at least part of the housing comprises.

Further It is proposed that a first relay, in particular a first Direktsteckverbindungssystems, with a hot air heater and / or a second relay, in particular a second direct plug connection system, connectable or connected to a steam generator heater is or are, in particular via a screw connection.

After all can still be provided that the first and / or second Relay via, preferably in each case, one, in particular soldered or plugged, control line with a control or regulating device the cooking appliance is connected or connected or are.

The invention is therefore based on the surprising finding that an integration of a connector by means of conductors on a board of a solid-state relay, which optionally out of a housing led out into it or integrated into the same, a simple, inexpensive and Reliable assembly and disassembly possible. These board edge connector systems have clear advantages on. Thus, a number of components for integrating the solid-state relay is achieved in comparison to known from the prior art connection systems, especially the already existing in the solid state relay board used to form a connector, resulting in a cost optimization because of the additional cost Components leads. If, in addition, a detent hole is provided in the circuit board or in the housing for engagement of a latching hook or the like, a measure against undesired release of the plug connection is provided. For a confusion-proof connection, the board can be coded. All this allows a particularly high degree of flexibility when mounting or dismounting a solid-state relay, since a connector can be brought out to any area of a housing and still no labor-consuming screw or solder joints are more necessary.

Therefore is in particular the use of at least one inventive Direct plug connection system in a cooking appliance of advantage, especially in large kitchen use, where every intervention quickly and just "sit". It is by the inventive connection system a significant Space reduction achieved what happens in a cooking appliance due the aspiration, cooking appliances despite their variety of functions as compact as possible and thus the available standing space is very limited, is advantageous.

Farther is overcome by the invention, the prejudice that Direct plug connector for solid-state relays used for switching relatively high loads are used are not suitable. Thus, the coding possibility is a miscommunication avoided, even at high power, because a wrong plugging a plug can be effectively prevented or when plugging no unwanted electrical contact is created, and by the formation of suitable connecting elements, such as latching devices, the connection can be made very robust, in particular such that despite the lack of screw connections and the occurrence high temperatures, a release of the connection is not possible is.

In a cooking appliance, an inventive direct plug connection system can be used in a fan-cooled installation space, wherein at least one wall of the installation space can provide at least a portion of the housing of the direct plug connection system. If it is in the cooking appliance, for example, a product sold under the trade name SelfCookingCenter ^® by the applicant cooking appliance, so two direct plug-in connection systems according to the invention can be used, namely one for switching a hot air heater and another for switching a steam generator heater. In this case, each direct plug connection system can be connected via a first complementary plug to a voltage source and a second complementary plug to a control device of the cooking appliance as well as the respective heating device. On the second plug, the respective load line can be screwed to the respective heating device and the control line soldered to the control device.

Further Features and advantages of the invention will become apparent from the following Description, in the embodiments of a direct plug connection system according to the invention for a power semiconductor module on hand schematic Drawings are exemplified.

there shows:

1 a plan view of a solid-state relay board for a direct plug connection system according to the invention;

2 a sectional view of a first embodiment of a Direktsteckverbindungssystems the circuit board according to the invention 1 in a housing;

3 a perspective view of the arrangement of 2 ;

4 a sectional view of a second embodiment of a Direktsteckverbindungssystems invention of the board after 1 in an alternative housing; and

5 a perspective view of a third embodiment of a direct plug connection system according to the invention with a plurality of alternative boards in a further alternative housing, wherein only one board is guided up out of the housing.

In 1 is an example of a board 1 , which forms a direct plug connection, shown. The section used as a connector 5 the board 1 has a coding section 3 for confusion-proof coding and a first connecting element in the form of a detent hole 2 with which a further connecting element, for example a locking hook, not shown, which may be formed in particular on a housing, to prevent unwanted loosening of a housing interaction, in particular hook, can. The in the 1 only indicated tracks 4 are with semiconductor elements 6 connected and extend from the connector section 5 to the semiconductor elements 6 ,

In 2 is the board 1 in combination with an insulating housing 7 , For example, a cooking appliance, not shown, shown. The housing 7 can be designed for heat dissipation and be filled if necessary with a potting compound, not shown. The tracks 4 that together with the board 1 the connector section 5 training, are from the housing 7 led out.

3 restores the structure 2 in perspective. In this perspective view, the configuration of the connection elements of the board 1 as a direct plug-in connector, comprising the connector section 5 , the tracks 4 , the rest hole 2 and the coding section 3 to recognize. In particular, therefore, a board edge plug-in system is used. The housing 7 can thereby have the latching hook (not shown), by engaging the same in the locking hole 2 to ensure a loss of security. Definitely make up the case 7 and the board 1 a first inventive direct connector system.

A second embodiment of a direct plug connection system provides 4 thereafter a housing 8th designed such that a connector section 9 inside the case 8th located. Thus, the housing serves 8th even as protection against mechanical overload of the connector section 9 and has a recess 8a for ease of handling.

A third embodiment of a direct plug connection system according to the invention 5 and includes two boards 14 . 15 in a housing 13 , being a connector section 10 out of the case 13 and a coding section 11 and a rest hole 12 features. In this arrangement is a solid-state relay from the two boards 14 and 15 constructed, which are interconnected inside the housing. This leaves the board 15 at any location from the case 13 lead out.

The in the preceding description, in the claims and The drawings disclosed features of the invention can both individually and in any combination for the realization of the invention in its various embodiments be essential.

1

circuit board

2

catch hole

3

Encoding section

4

conductor path

5

Connector portion

6

Semiconductor element

7

casing

8th

casing

8a

recess

9

Connector portion

10

Connector portion

11

Encoding section

12

catch hole

13

casing

14

circuit board

15

circuit board

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 10231219 C1 [0003]
• - DE 3604313 A1 [0004]
• DE 102004031623 B4 [0005]
• - DE 3818369 C2 [0006]
• - DE 112005000245 T5 [0007]

Cited non-patent literature

• - DIN VDE 0105-100 [0008]

Claims (11)

Direct plug connection system comprising at least one power semiconductor module and at least one housing ( 7 . 8th . 13 ), wherein the power semiconductor module via a plug connection ( 5 . 9 . 10 ) is detachably connectable to at least one first complementary plug for the purpose of electrical connection, characterized in that the power semiconductor module has a circuit board ( 1 . 15 ) with at least one integrated track ( 4 ) to at least one relay element forming a semiconductor element ( 6 ), the board ( 1 . 15 ) a connector section ( 5 . 9 . 10 ), and the track ( 4 ) at least partially in the connector section ( 5 . 9 . 10 ). Direct plug connection system according to claim 1, characterized by at least one first connection element of the circuit board ( 1 . 15 ) and at least a second connecting element of a housing ( 7 . 8th . 13 ) and / or at least one other with the board ( 1 . 15 ) and / or the connector section ( 5 . 9 . 10 ) to be connected element, preferably in the form of a second complementary plug, in particular of the first plug, wherein the two connecting elements are releasably connectable to each other for captive security, wherein preferably the first connecting element has a first recess, in particular in the form of a detent hole ( 2 . 12 ), and / or the second connection element has a projection or an extension, in particular in the form of a latching hook, and / or the first connection element in the connector section (FIG. 5 . 9 . 10 ). Direct plug connection system according to claim 1 or 2, characterized by at least one coding section ( 3 . 11 ) of the board ( 1 . 15 ), in particular comprising at least one recess, a second recess, a nose, an extension element and / or a surface structuring, preferably in the connector section (FIG. 5 . 9 . 10 ). Direct plug connection system according to one of the preceding claims, characterized in that the housing ( 7 . 8th . 13 ), in particular electrically, insulating and / or at least partially filled with a potting compound. Direct plug connection system according to one of the preceding claims, characterized in that the housing ( 7 . 8th . 13 ) at least in a part of the area of the connector section ( 5 . 9 . 10 ) in the housing ( 7 . 8th . 13 ) placed board ( 1 . 15 ) a third recess ( 8a ), in particular the circuit board ( 1 . 15 ) and / or the connector section ( 5 . 9 . 10 ) at least partially within the third recess ( 8a ) is arranged such that the board ( 1 . 15 ) and / or the connector section ( 5 . 9 . 10 ) within the third recess ( 8a ) ends, preferably the board ( 1 . 15 ) and / or the connector section ( 5 . 9 . 10 ) not over an outer surface of the housing ( 7 . 8th . 13 ) in the region of the third recess ( 8a ) and / or the connector section (FIG. 5 . 9 . 10 ) in the housing ( 7 . 8th . 13 ) placed board ( 1 . 15 ) at least partially out of the housing ( 7 . 8th . 13 ), wherein at least a part of the board ( 1 . 15 ) in the housing ( 7 . 8th . 13 ), in particular fixable, is. Direct plug connection system according to one of the preceding claims, characterized in that on the housing, in particular in the region of the third recess ( 8a ), at least a third connecting element and at the with the connector section ( 9 ) connectable first plug and / or second plug at least a fourth connecting element is formed, wherein the third connecting element and the fourth connecting element for releasably fixing the first plug and / or the second plug to the connector portion ( 9 ) interact, in particular a detachable connection, such as a clip connection, latching connection, non-positive connection, positive connection and / or bayonet connection, received. Direct plug connection system according to one of the preceding claims, characterized in that the housing ( 7 . 8th . 13 ) Is part of a cooking appliance, and / or the semiconductor relay is part of a power supply, in particular in the form of a solid-state relay is formed, preferably the semiconductor relay with a control or regulating device of the cooking appliance, in particular via the direct plug connection system is connectable. Cooking appliance with at least one direct connection system according to any one of the preceding claims. Cooking appliance according to claim 8, characterized that the direct plug connection system in one of a cooking chamber separate installation space arranged or at least partially is integrated in the same, where the installation space preferably at least partially coolable and / or at least includes a part of the housing. Cooking appliance according to claims 8 or 9, characterized in that a first relay, in particular a first direct plug connection system, can be connected or connected to a hot-air heating device and / or a second relay, in particular a second direct plug connection system, to a steam generator heating device, in particular via a screw connection. Cooking appliance according to claim 10, characterized in that that the first and / or second relay via, preferably one, in particular soldered or plugged, Control line with a control or regulating device of the cooking appliance connectable or connected is or are.