DE102009054438B4 - Electrical device arrangement - Google Patents

Abstract

Electrical device arrangement (10) with an electrical device which comprises a latch housing (12) constructed from individual latches (11) which can be connected in one direction, wherein the latches (11) have on their underside a cooling section (13) with outwardly directed cooling lamellas and wherein the latches (11) are connected to one another in such a way that the cooling sections (13) form an overall cooling body (14), and an electrical device module which has a housing module (20) which forms on the one of the overall cooling body (14) Side of the latch housing (12) opposite side of the latch housing (12) is arranged, wherein in the bars (11) components of a converter electronics are arranged, the heat-generating components are each conductively connected to the cooling sections (13) conductively, wherein the housing module has a first Room area (22), in which a programmable logic controller (26) and a safety controller (2 8) are arranged, wherein the first space portion (22) by a cooling fins (31) provided with cooling cover (30) and a lower part (34) of the housing raumbereichsbildend is limited, and a second space portion (24) of the housing module (20) of the Lower part (34) and a mounting cover (32) is limited forming space, wherein the mounting cover (32) and the cooling cover (30) in the lower part (34) mounted state are arranged perpendicular to each other.

Description

The invention relates to an electrical device arrangement.

From the DE 10 2004 034 834 A1 is a housing system known.

The invention is therefore the object of developing a housing system, so that a controller safely and easily integrated in the housing system.

According to the invention the object is achieved in the housing system according to the features indicated in claim 1.

Important features of the invention in the housing system are that the housing system comprises a latch housing, which has a total heat sink, and a housing module, which is arranged on the latch housing on the opposite side of the overall heat sink, wherein in the latch housing a converter electronics, their heat-generating components arranged in a first spatial region of the housing module, a programmable logic controller and a safety controller, wherein the first space area of a cooling cover and a lower part of the housing module is bounded raumbereichsbildend and a second space region of the housing module of the lower part and a mounting cover is bounded space forming, wherein the mounting cover and the cooling cover are arranged perpendicular to each other in the mounted state on the lower part. The advantage here is that the cooling cover for assembly does not have to be removed. As a result, thermally conductive connections to the cooling cover are retained during final assembly. The assembly, in particular wiring of the housing module is possible from a different direction than the heat radiation. The sensitive electronics are better thermally and electrically shielded from the line electronics.

In an advantageous embodiment, a wall portion of the lower part opposite the mounting lid has an opening, wherein the opening serves as a cable feedthrough when the housing module is releasably secured on the bolt housing. The advantage here is that the electronic components in the housing module and the latch housing are easily and safely connected to each other.

In a further advantageous embodiment, the latch housing is constructed from individual bars which can be connected to one another along a direction, and the overall cooling body is composed of the respective heat sinks of the latch. The advantage here is that the housing system is flexibly adaptable.

In a further advantageous embodiment, a communication electronics is arranged in the first space region, with which the programmable logic controller and / or the safety controller are connected by signal technology. The advantage here is that the programmable logic controller and especially the safety controller can communicate independently with external elements or in particular can send safety-related warnings.

In a further advantageous embodiment, the safety controller is signal-technically connected to sensors arranged outside the housing module for monitoring the safety of a device. The advantage here is that the safety controller can monitor a system independent of the programmable logic controller.

In a further advantageous embodiment, the heat-generating components are controllable power semiconductors whose inputs are connected to the outputs of a PWM power control arranged in the latch housing. The advantage here is that the converter electronics forms a compact, flexibly adjustable unit.

In a further advantageous embodiment, a tilt sensor is arranged in the latch housing and / or in the housing module, which is signal-technically connected to the programmable logic controller and / or to the safety controller. The advantage here is that a maximum power output of the converter electronics in dependence on a spatial position of the latch housing is adjustable and the spatial position of the programmable logic controller and the safety control is transmitted, since the maximum power output depends on the cooling capacity of the cooling elements, which in turn depends on the spatial position ,

In a further advantageous embodiment, the cooling lid on a display device, which is preferably arranged in a continuous recess of the cooling lid, wherein the display device is connected by signal technology with the programmable logic controller and / or the safety controller. The advantage here is that an operating condition or a safety condition is easily controlled from outside the bolt housing.

In a further advantageous embodiment, the cooling cover on its outer surface on cooling ribs. The advantage here is that the safety controller and the programmable logic controller are better cooled.

In a further advantageous embodiment, the mounting lid and the cooling lid in their respective umtaufenden edge region each have an injected seal, which is directed to an end face of a wall of the lower part of the housing module. The advantage here is that the housing system in a high degree of protection is easy and safe executable.

In a further advantageous embodiment, a slot-shaped opening is arranged in the housing module, behind which there is a storage element holder in which a storage element, in particular a memory card is releasably inserted, preferably in an inserted state of the memory card at least splash-proof to dip seal between Memory element and housing module is present. The advantage here is that additional data and information can be easily and flexibly transferred to the programmable logic controller and / or the safety controller. In particular, the housing module and the housing system can be manufactured in a degree of protection up to IP66.

In a further advantageous refinement, the housing module has passage openings in which connector parts are arranged, the connector parts being suitable for connecting lines fed outside with the programmable logic controller and / or safety controller and / or the communication electronics arranged in the housing module. The advantage here is that the housing module and thus the housing system in a simple manner in high protection of the housing with sensors is technically connectable.

In a further advantageous embodiment, the lower part, the mounting lid and / or the cooling cover made of aluminum, magnesium or an advantageous plastic, in particular in the die-casting process, or plastic injection molding process. The advantage here is that the housing have good thermal conductivity and are easy to manufacture.

In a further advantageous embodiment, a connector housing is cast on the lower part. The advantage here is that a connector securely and in high protection on the housing can be fastened.

In a further advantageous embodiment, the safety control is at least partially disposed between the cooling lid and the programmable logic controller. The advantage here is that the safety controller is better cooled and can better monitor the programmable logic controller.

The invention will now be explained in more detail by means of embodiments with reference to the drawing. It shows purely schematically:

1 : an exploded view of a housing module for a housing system according to the invention;

2 a top view of another embodiment of a housing module for a housing system according to the invention;

3 : a front view of the in 2 shown housing module;

4 : a cut through the in 2 and 3 shown embodiment of the housing module;

5 a side view of an embodiment of a housing system according to the invention; and

6 : a front view of the in 5 shown housing system.

The 1 shows an embodiment of a housing module 20 for a housing system according to the invention 10 , The housing module 20 includes a lower part 34 on which a cooling lid 30 and a mounting lid 32 are releasably secured.

The lower part 34 is in a first room area 22 and a second room area 24 divided. The first room area 22 is essentially cuboid with an end portion offset on both sides. The second room area is flush with the end area on both sides 24 at.

A wall section 36 of the lower part 34 forms a bottom surface of the second space area 24 , The wall section 36 has an opening 38 on. In the assembled state of the housing system 10 is the wall section 36 to a rear side of the latch housing 12 directed or directly adjoins the back. The back has one to the opening 38 corresponding further opening. Connecting cables between the in the housing module 20 arranged electronics and in the bolt housing 12 arranged electronics are through the opening 38 and led the further opening.

The second room area 24 in principle serves only as a cable channel for the connecting lines. When mounting the housing module 20 on the latch housing 12 is first in the first room area 22 the intended electronics are mounted and with the cooling cover 30 covered. Then the lower part 34 on the bolt housing 12 attached. This is preferably a performance 40 at the bottom 34 through the wall section 36 arranged therethrough. Through this implementation 40 are screwed and in matching threaded holes in the latch housing 12 screwed.

Thus, the housing module 20 detachable on the bolt housing 12 attached. It fits the opening 38 almost congruent to, in the context of manufacturing accuracy, completely congruent with the corresponding opening in the back. The housing module 20 closes the corresponding opening in the back of the latch housing 12 especially sealing.

Subsequently, the connection cables from the bolt housing 12 through the second room area 24 passed through and with the electronics in the first room area 22 connected. Preferably, it is in the bolt housing 12 a connector device and / or in the first space area 22 a connector element 25 arranged, in which the connecting lines are inserted with a respective corresponding mating connector element. In 1 is one in the first room area 22 arranged wiring board 27 shown on which the connector element 25 is arranged. Another connector element 29 the wiring board 27 is with the programmable logic controller 26 connected.

Then the second room area becomes 24 by means of the mounting lid 32 delimited area-forming. Spatial area forming here means a space area or an interior at least partially delimiting or delimiting, so that the corresponding space area is detected as independent, even if the space-limiting means should have recesses.

Another wall section 37 of the lower part 34 lies the cooling lid 30 opposite and directly adjacent to the wall section 36 at. In the preferred embodiment shown in the figures, the wall portion 36 and the further wall section 37 arranged perpendicular to each other and form at an edge a right angle. As the cooling lid 30 parallel to the other wall section 37 is arranged and the mounting lid 32 parallel to the wall section 36 are also the mounting lid 32 and the cooling lid 30 at a right angle to each other.

The edge is located on an outer edge of the latch housing 12 on and the other wall portion is located on a lid of the latch housing 12 at. Thus, the housing module 20 easy and space saving on the latch housing 12 mountable and dismountable, as the housing module 20 on the latch housing 12 can be pushed and not perpendicular to the lid of the latch housing 12 must be set up. The necessary electrical connections are easy to install and through the second room area 24 of the housing module 20 protected.

By the arrangement of the programmable logic controller 26 and the security control 28 in a separate housing module from the rest of the inverter 20 is the thermal load of the sensitive electronic components of the programmable logic controller 26 and the security control 28 low. The safety control 28 continues to function even if the inverter electronics fail thermally. Thus, the necessary safety-relevant functions are executable in this case.

Especially 4 shows the arrangement of the safety controller 28 in the first room area 22 , The safety control 28 is partially between the cooling lid 30 and the programmable logic controller 26 arranged and thus closer to the cooling cover 30 as the programmable logic controller 26 , Thus, the safety control 28 better cooled. If necessary, heat-generating components of the safety control 28 also heat-conducting with the cooling lid 30 connectable.

Preferably, the wiring board 27 a diagnostic interface, which behind a through recess in the housing module 20 is arranged. The continuous recess is from a diagnostic cover 60 safe and tight, especially in the corresponding degree of protection, lockable.

Next is in the housing module in the first room area communication electronics 42 , in particular a WLAN module arranged. This is on a level with the programmable logic controller 26 , A WLAN antenna is preferably in one of the through openings 54 arranged, or passed.

The wiring board 27 has in a further preferred embodiment further interfaces, which for electrical connection to the safety controller 28 the communication electronics 42 and / or other electronic devices in the housing module 20 , In particular, those in the housing module 20 provided electronics via the wiring board 27 interconnected electronically.

As the cooling lid 30 for mounting the housing module 20 on the latch housing 12 does not need to be removed, is a possibly appropriate thermal connection between the safety control 28 and the cooling lid 30 already in the production of the housing module 20 safely executable.

The housing module 20 is slightly further thermal from the latch housing 12 decoupled, in which a heat barrier, such as an air gap or a material having a thermal conductivity of less than 1 W / (m K) between the other wall portion and the lid of the latch housing 12 is arranged.

A housing wall section, which is assigned to the first room area, has various through openings 54 on. These are partly of molded connector housings 58 surround. The passage openings 54 are used for mounting connector parts for easy and safe connection of the safety electronics 28 and the programmable logic controller 26 with from outside the enclosure system 10 supplied lines.

Behind a rectangular opening 50 in the lower part 34 is a storage element holder 52 arranged. The rectangular opening 50 preferably has rounded corners. The storage element holder 52 is sealing against the rectangular opening 50 in the first room area 22 arranged. A slit-like picture 51 of the storage element holder 52 is used to insert a flash-based storage medium, such as a memory card or a USB memory stick. The storage medium is preferably in the slot-like receptacle 51 sealing insertable.

The 2 to 4 show a further embodiment of the housing module 20 , In the further embodiment, the cooling lid 30 a continuous recess 46 on. In the through recess 46 is a display device 44 arranged. The display device 44 closes the continuous recess 46 sealing off. For this purpose, the cooling cover 30 in a peripheral edge area around the continuous recess 46 on the first room area 22 executed side another seal 49 on. The further seal 49 is preferably in a groove in the cooling lid 30 injected.

A transparent protective element of the display device 44 fits into the through recess as part of the manufacturing accuracy 46 in the cooling lid 30 and covers a display element of the display device 44 beyond the housing module 20 down. The transparent protective element has a flange-like edge region which bears against the further seal 49 is pressed. The transparent protective element is preferably made of a transparent plastic such as polycarbonate.

In a further embodiment of the housing module, the display device 44 an optically accessible infrared interface. The protective element is permeable to infrared radiation and visible light in this further embodiment. A suitable communication means with an infrared interface suitable for the infrared interface is thus suitable to the security control 28 or the programmable logic controller 26 Exchange data.

The display device 44 is with the programmable logic controller 26 and / or the safety controller 28 connected. As a result, safety-relevant states, parameters of the programmable logic controller 26 , or similar from outside of the housing module 20 visibly displayable.

The 5 and 6 show a preferred embodiment of a housing system according to the invention 10 , The latch housing 12 is from single bars 11 built up. The bars 11 each have a cooling section 13 , in particular cooling fins, on. The cooling sections 13 are in particular to the bars 11 molded and stand by a bottom plate of the bolt 11 to the outside of the bolt housing 12 directed off. The bars 11 are interconnected and thus form an overall bottom plate and a total heat sink 14 of the bolt housing. On the bars 11 are various converter electronics, such as power semiconductors, PWM power control, rectifier electronics or DC link electronics in an interior of the latch housing 12 arranged.

The entire bottom plate is surrounded by a housing wall. In the housing wall connector parts are arranged. The entire bottom plate and the housing wall together with the lid enclose the interior of the latch housing 12 ,

The latch housing 12 preferably has two fastening elements 62 on, which are fixed in edge regions on the entire bottom plate and the cooling sections 13 overtop.

On one side of the housing wall is preferably a connection box 64 appropriate. The connection box 64 is used for connection to supply lines of a supply network to supply the converter electronics with energy. Appropriate means are provided in the junction box to match the connections to the existing supply lines.

LIST OF REFERENCE NUMBERS

10

housing system

12

bolt housing

14

Total heatsink

20

housing module

22

first room area

24

second room area

26

programmable logic controller

25

connector element

27

wiring board

28

safety control

29

another connector element

30

cooling cover

31

cooling fins

32

mounting lid

34

lower part

36

wall section

37

another wall section

38

opening

40

execution

42

communications electronics

44

display device

46

through recess

48

injected gasket

49

another seal

50

rectangular opening

52

Memory element holder

54

Through openings

56

connector parts

58

connector housing

60

diagnostic cover

62

fastener

64

junction

Claims (13)

Electrical device arrangement ( 10 ) comprising an electrical device comprising a single bolt connectable in one direction ( 11 ) constructed latch housing ( 12 ), wherein the bars ( 11 ) on its underside a cooling section ( 13 ) with outwardly directed cooling fins, and wherein the latches ( 11 ) are connected to one another such that the cooling sections ( 13 ) a total heat sink ( 14 ) and an electrical device module comprising a housing module ( 20 ), which at the of the overall heat sink ( 14 ) formed side of the bolt housing ( 12 ) opposite side of the latch housing ( 12 ), wherein in the bars ( 11 ) Components of a converter electronics are arranged, the heat generating components each with the cooling sections ( 13 ) Heat conductively connected, wherein the housing module a first space area ( 22 ), in which a programmable logic controller ( 26 ) and a safety controller ( 28 ) are arranged, wherein the first space area ( 22 ) of one with cooling fins ( 31 ) provided cooling cover ( 30 ) and a lower part ( 34 ) of the housing is bounded by a room area forming, and a second space area ( 24 ) of the housing module ( 20 ) of the lower part ( 34 ) and a mounting lid ( 32 ) is limited space forming, wherein the mounting lid ( 32 ) and the cooling lid ( 30 ) in the lower part ( 34 ) mounted state are arranged perpendicular to each other. Housing system according to claim 1, characterized in that a the mounting lid ( 32 ) opposite wall portion of the lower part ( 34 ) an opening ( 38 ), which is used as a cable feedthrough ( 40 ) serves. Housing system according to claim 1 or 2, characterized in that in the first space area ( 22 ) of the housing module ( 20 ) further a communication electronics ( 42 ) is arranged, with which the programmable logic controller ( 26 ) and / or the safety controller ( 28 ) is technically connected / are. Housing system according to one of claims 1 to 3, characterized in that the safety controller ( 28 ) with outside of the housing module ( 20 ) arranged sensors for monitoring the safety of a device is connected by signal technology. Housing system according to one of claims 1 to 4, characterized in that the heat-generating components are controllable power semiconductors, the control inputs to the outputs of a in the latch housing ( 12 ) arranged PWM power control are connected. Housing system according to one of claims 1 to 5, characterized in that in the latch housing ( 12 ) and / or in the housing module ( 20 ) an inclination sensor is arranged, which signal-technically with the programmable logic controller ( 26 ) and / or with the safety controller ( 28 ) connected is. Housing system according to one of claims 1 to 6, characterized in that the cooling cover ( 30 ) a display device ( 44 ), the signaling technology with the programmable logic controller ( 26 ) and / or the safety controller ( 28 ) connected is. Housing system according to one of claims 1 to 7, characterized in that the mounting lid ( 32 ) and the cooling lid ( 30 ) in each of its peripheral edge regions an injected seal ( 48 ) to an end face of a wall of the lower part ( 34 ) of the housing module ( 20 ). Housing system according to one of claims 1 to 8, characterized in that in the housing module ( 20 ) a slot-shaped opening ( 50 ) is arranged behind which in the interior of the housing module ( 20 ) a storage element holder ( 52 ) in which a memory card is detachably plugged, with at least one splash-proof seal ( 49 ) between memory element and housing module ( 20 ) is available. Housing system according to one of claims 1 to 9, characterized in that the housing module ( 20 ) Passage openings ( 54 ), in which connector parts ( 56 ) are arranged for connection of externally supplied lines with the in the housing module ( 20 ) arranged programmable logic controller ( 26 ) and / or safety control ( 28 ). Housing system according to one of claims 1 to 10, characterized in that the lower part ( 34 ), the mounting lid ( 32 ) and / or the cooling lid ( 30 ) consist of aluminum, magnesium or plastic. Housing system according to one of claims 1 to 11, characterized in that a connector housing ( 58 ) at the lower part ( 34 ) is poured. Housing system according to one of claims 1 to 12, characterized in that the safety control ( 28 ) at least partially between the cooling cover ( 30 ) and the programmable logic controller ( 26 ) is arranged.

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