DE102021002189A1 - Arrangement of a high-voltage component in a receiving space of a housing - Google Patents

Abstract

The invention relates to an arrangement (10) of a high-voltage component (12) in a receiving space (14) of a housing (16) of a passenger car (18), the housing (16) having an at least indirectly attached to the interior (22) of the passenger car (18 ) the main floor (26) of the body (20) of the passenger car (18) delimiting the body (20) of the passenger car (18) and delimiting the receiving space (14) in the vertical direction (24) and having at least one fastening element (30) for fastening a seat system (32) of the passenger vehicle (18) and a cross member (34) of the body (20) connected to the housing cover (28), the high-voltage component (12) between a cover part (36) delimiting the receiving space (14) upwards in the vehicle vertical direction (24) of the housing cover (28) and the main floor (26).

Description

The invention relates to an arrangement of a high-voltage component in a receiving space of a housing according to the preamble of patent claim 1.

Such an arrangement of at least one high-voltage component in a receiving space of a housing of a passenger car is from DE 10 2009 031 779 A1 to be taken as known.

Furthermore, the DE 10 2017 011 892 A1 an energy storage arrangement, comprising at least one energy storage module and an energy storage housing, wherein the energy storage module has at least one energy storage and the energy storage housing has a housing base, a plurality of side walls adjoining the housing base at the edge and a housing cover as well as at least one carrier arranged between two side walls.

The object of the present invention is to create an arrangement of a high-voltage component in a receiving space of a housing of a passenger vehicle, so that the arrangement can be implemented particularly advantageously, in particular in a particularly space-saving manner.

According to the invention, this object is achieved by arranging a high-voltage component in a receiving space of a housing of a passenger car with the features of patent claim 1 . Advantageous configurations with expedient developments of the invention are specified in the remaining claims.

In order to create an arrangement of the type specified in the preamble of patent claim 1, so that the arrangement can be implemented in a particularly advantageous manner, in particular in a particularly space-saving manner, it is provided according to the invention that the housing is at least indirectly attached to an interior of the passenger vehicle in the vertical direction of the vehicle housing cover which delimits the main floor of the bodywork of the passenger car and delimits the receiving space in part and has at least one fastening element for fastening a seat system of the passenger car and at least one cross member of the bodywork which is at least indirectly connected to the housing cover. In other words, the housing comprises the housing cover, which at least partially surrounds the receiving space and is arranged at least indirectly on the main floor, which at least partially covers the interior of the passenger car, referred to in particular as the passenger compartment, downwards in the vertical direction of the vehicle, the housing cover including the fastening element , by means of which the seat system can be fastened to the housing, in particular the housing cover, and the housing comprises the cross member connected to the housing cover, referred to in particular as a crash cross member, which is designed as a cross member of the body. The high-voltage component is arranged between a cover part of the cover delimiting the receiving space upwards in the vertical direction of the vehicle and the main base. In other words, the high-voltage component is arranged below the cover part and above the main floor in the vertical direction of the vehicle, with the cover part covering the receiving space upwards in the vertical direction of the vehicle. The cross member can in particular be referred to as a cross structure or as a crash cross member.

The high-voltage component can have an electrical voltage, in particular an electrical operating or nominal voltage, which is preferably greater than 50 volts, in particular over 60 volts, and is preferably several hundred volts. The high-voltage component can be designed, for example, as a contactor, as a converter, as a charger or as a charging path. The installation space advantageously contains all of the functionalities mentioned. The high-voltage component is preferably connected to the housing cover. In other words, the high-voltage component is preferably mounted in the housing cover or on the housing cover. The body can be understood in particular as a self-supporting body, in which case the body can be referred to in particular as a shell or as a body of the passenger vehicle. The receiving space can in particular be referred to as a high-voltage installation space. The main floor can at least partially, in particular directly, delimit the receiving space. The housing cover can in particular be referred to as a cover. The cover part of the housing cover preferably comprises the fastening element or the fastening element is arranged on the cover part. The fastening element can in particular be referred to as a seat fastening. Because the housing cover includes the fastening element, the housing cover can be designed as a seat support.

• Ein Bauraum in Fahrzeughochrichtung unterhalb von Heckfahrzeugsitzen dient in dem Personenkraftwagen, insbesondere in einem als Elektrofahrzeug ausgebildeten Personenkraftwagen (BEV), vorzugsweise zur Unterbringung der Hochvoltkomponente.

Gleichzeitig kann es erforderlich sein, weitere, konstruktive Funktionen wie eine insbesondere als Crash-Querträger bezeichnete Querlastfunktion und eine Sitzbefestigung in diesem Bereich unterzubringen. Dadurch können Service und/oder Montage und/oder Platzierung von Steckerabgängen, welche in dem Gehäuse für die Hochvoltkomponente vorgesehen sein können, besonders erschwert werden. Bei einer herkömmlichen Anordnung kann das Gehäuse als lastfreies Gehäuse ausgebildet sein, welches lediglich für die Hochvoltkomponente relevanten Anforderungen und Funktionen erfüllen kann, beispielsweise Wasserdichtheit. Der Querträger beziehungsweise mehrere Querträger, welche zur Abstützung von Seitencrashs vorgesehen sein können, und die Sitzbefestigung können bei der herkömmlichen Anordnung Teil des Rohbaus sein.
Dadurch kann zwischen Rohbaufunktionen, beispielsweise Querträger beziehungsweise Querlastfunktion und/oder Sitzbefestigung, und Gehäuse beziehungsweise Gehäusefunktionen für die Hochvoltkomponente eine strikte Trennung vorliegen, wodurch doppelte Strukturen und/oder Einschränkungen für die Steckerabgänge und die Zugänglichkeit entstehen können.The invention is based in particular on the following findings and considerations:

• A structural space in the vertical direction of the vehicle below the rear vehicle seats is used in the passenger car, in particular in a passenger car designed as an electric vehicle trolley (BEV), preferably for accommodating the high-voltage components.

At the same time, it may be necessary to accommodate other structural functions such as a transverse load function, referred to in particular as a crash cross member, and a seat attachment in this area. As a result, service and/or assembly and/or placement of connector outlets, which can be provided in the housing for the high-voltage component, can be made particularly difficult. In a conventional arrangement, the housing can be embodied as a load-free housing which can only fulfill the requirements and functions relevant to the high-voltage component, for example water tightness. The cross member or several cross members, which can be provided to support side crashes, and the seat attachment can be part of the body shell in the conventional arrangement.
As a result, there can be a strict separation between body shell functions, for example cross member or transverse load function and/or seat attachment, and housing or housing functions for the high-voltage component, which can result in duplicate structures and/or restrictions for the connector outlets and accessibility.

In contrast, these restrictions can be solved in the arrangement according to the invention, since the functions of the housing for the high-voltage component and the functions of the cross member or transverse load and seat attachments can be combined with one another. As a result, the arrangement according to the invention, in particular of the housing, creates a transverse structure which can have a load-bearing effect in the event of a crash. In the case of the invention, the housing and crossbeam are integrated or the crossbeam is integrated in the housing, which can in particular be referred to as an integrated solution, as a result of which accessibility during assembly and service can be particularly improved since the available installation space can be better utilized. In addition, there can be very few restrictions on the placement of the connector outlets, in particular in the longitudinal direction of the vehicle at the front and/or rear of the housing, since the transverse structure fixed to the bodyshell in front of and behind the housing can be reduced to a minimum.

Further advantages, features and details of the invention result from the following description, preferred exemplary embodiments and from the drawings. The features and combinations of features mentioned above in the description and the features and combinations of features mentioned below in the description of the figures and/or shown alone in the figures can be used not only in the combination specified in each case, but also in other combinations or on their own, without going beyond the scope of the leave invention.

• 1 eine schematische Teilschnittansicht einer erfindungsgemäßen Anordnung; und
• 2 eine schematische Teilschnittansicht einer erfindungsgemäßen Anordnung gemäß einer weiteren Ausführungsform; und
• 3 eine schematische Perspektivansicht einer erfindungsgemäßen Anordnung gemäß einer weiteren Ausführungsform; und
• 4 eine schematische Draufsicht einer erfindungsgemäßen Anordnung gemäß der Ausführungsform aus 3; und
• 5 eine schematische Teilschnittansicht einer erfindungsgemäßen Anordnung gemäß der Ausführungsform aus den 3 und 4.

show:

• 1 a schematic partial sectional view of an arrangement according to the invention; and
• 2 a schematic partial sectional view of an inventive arrangement according to a further embodiment; and
• 3 a schematic perspective view of an arrangement according to the invention according to a further embodiment; and
• 4 a schematic plan view of an inventive arrangement according to the embodiment 3 ; and
• 5 a schematic partial sectional view of an arrangement according to the invention according to the embodiment of the 3 and 4 .

Elements that are the same or have the same function are provided with the same reference symbols in the figures.

1 shows a schematic partial sectional view of an arrangement 10 of at least one high-voltage component 12 in a receiving space 14 of a housing 16 of a passenger car 18. The passenger car 18 can be designed, for example, as a battery-electric vehicle or as a hybrid vehicle. The high-voltage component 12 can be designed, for example, as a contactor, as a converter, as a charger or as a charging path. The passenger vehicle 18 has a structure which is referred to in particular as a shell and which is designed as a self-supporting body 20 . The housing 16 has at least one housing cover 28 that is arranged at least indirectly on a main floor 26 of the body 20 of the passenger car 18 that delimits the interior space 22 of the passenger car 18 downwards in the vehicle vertical direction 24 and partially delimits the receiving space 14. The housing cover 28 includes at least one fastener 30 for attaching a seat system 32 of the passenger vehicle 18 to the housing 16, wherein the housing cover 28 in the in the 1 shown embodiment comprises two fasteners 30. The housing 16 has at least one cross member 34 of the body 20 connected to the housing cover 28 . The high-voltage component 12 is arranged between a cover part 36 of the housing cover 28 , which delimits the receiving space 14 upwards in the vehicle vertical direction 24 , and the main base 26 . The housing cover 28 can have at least one side part 38 which is at least indirectly connected to the cover part 36 and which forms the receiving space 14 in the vehicle can limit transverse direction and / or in the vehicle longitudinal direction.

Due to the fact that the housing 16 encompasses the cross member 34 , in the event of an accident involving the passenger vehicle, in particular a crash, in particular lateral forces which act on the passenger vehicle can be absorbed by the cross member 34 and thereby by the housing 16 . This can in particular be understood to mean that the housing 16 comprises a function of the cross member 34 referred to in particular as a transverse load function or as a cross member function. Because the housing 16, in particular the housing cover 28, has the fastening elements 30, the housing 16 includes a function, referred to in particular as a seat fastening function, of a seat attachment of the seat system 32 to the housing cover 28. Because the housing 16, in particular the housing cover 28, has the Receiving space 14 is at least partially limited, the housing 16 includes a housing function for the high-voltage component 12, whereby the high-voltage component 12 can be protected, for example, from moisture and / or dirt. Thus, the housing includes the cross member function, the seat attachment function, and the housing function. As a result, for example, an installation space of the arrangement 10 can be kept particularly small. The housing 16, in particular the housing cover 28, can be designed in one piece or in several pieces. In the in the 1 shown embodiment, the main floor 26 delimits the receiving space 14 in the vehicle vertical direction 24 at least partially downwards, whereby the receiving space 14 can be sealed by the main floor 26 in the vehicle vertical direction 24 from below. The main floor 26 can be connected to the housing cover 28 . The fastening elements 30 are preferably attached to the cover part 36 or to an upper side of the cover part 36 .

2 shows a schematic partial sectional view of the arrangement 10 according to a further embodiment, in which the housing 16 has a housing trough 40 which is formed separately from the housing cover 28 and separately from the main floor 26 and the cross member 34, which is arranged, in particular directly, on the main floor 26 and a floor part 42 which is arranged in the vertical direction 24 of the vehicle between the high-voltage component 12 and the main floor 26 and delimits the receiving space 14 downward in the vertical direction 24 of the vehicle. In other words, the housing trough 40 is arranged, in particular directly on the main floor 26, with the housing trough 40 comprising the floor part 42, which is arranged below the high-voltage component 12 and above the main floor 26 in the vertical direction 24 of the vehicle, and the receiving space 14 in the vertical direction of the vehicle 24 downwards at least partially surrounds. As a result, the arrangement 10 or the housing 16 can be designed in a particularly advantageous manner, in particular in a particularly stable manner. The housing trough 40, in particular the base part 42, is preferably connected to the main base 26, in particular directly. The housing trough 40 is preferably connected to the housing cover 28 . The housing 16 can be made in two pieces, for example.

3 shows a schematic perspective view of the arrangement 10, 4 shows a schematic plan view of the arrangement 10 and 5 shows a schematic partial sectional view of the arrangement 10, wherein the 3 until 5 show the arrangement 10 according to the further embodiment in which the housing 16 has the housing pan 40 .

In a further embodiment, the cross member 34 is connected, in particular directly, to the housing trough 40 . In other words, the housing trough 40 is fastened, in particular directly, to the cross member 34 . To put it another way, the housing trough 40 has the cross member 34 , as a result of which the cross member 34 can be integrated into the housing trough 40 . As a result, the stability of the housing 16, in particular the housing trough 40, can be particularly increased. The cross member 34 can at least partially, in particular directly, delimit the receiving space 14 . It is possible for the housing cover 28 and the housing trough 40 to have the cross member 34 or to be connected to the cross member 34, or the arrangement 10 can comprise a plurality of cross members 34, in which case the housing cover 28 and the housing trough 40 can each have at least one of the cross members 34 or can each be connected to at least one of the cross members 34 .

In a further embodiment, the arrangement 10 has an electrical energy store 44 which is electrically connected to the high-voltage component 12 and is arranged on the main floor 26 . In other words, the arrangement 10 comprises the electrical energy store 44 which is arranged at least indirectly, in particular directly, on the main floor 26 and which is electrically connected to the high-voltage component 12 . As a result, for example, an electric machine of passenger car 18 can be supplied by means of electrical energy stored in energy store 44, as a result of which passenger car 18 can be driven by means of the electric machine, in particular purely electrically. The electrical energy store 44 can be embodied as a battery or as an accumulator. The electrical energy store 44 can have an electrical voltage, in particular an electrical operating or nominal voltage, which is preferably greater than 50 volts, in particular more than 60 volts, and preferably amounts to several 100 volts. Accordingly, the energy store 44 is preferably embodied as a high-voltage store.

In a further refinement, the energy store 44 is arranged on an underside 46 of the main floor 26 which points downwards in the vertical direction 24 of the vehicle and faces away from the receiving space 14 . In other words, the energy store 44 is arranged on the underside 46 of the main floor 26 and the receiving space 14 is arranged on an upper side 48 of the main floor 26 opposite the underside 46, with the underside 46 pointing downwards in the vehicle vertical direction 24 and the upper side 48 in Vehicle vertical direction 24 points upwards. As a result, for example, the safety of the passenger vehicle 18, in particular the body 20, which is referred to in particular as crash safety, can be particularly increased. In addition, the energy store 44 can be protected particularly advantageously in the event of an accident.

The arrangement 10 preferably has at least one connector outlet, in which at least one connector 50 is guided through the main floor 26 . For example, the electrical connection between the high-voltage component 12 and the energy store 44 can be implemented by means of the plug 50 . The plug 50 can be passed through the housing trough 40, in particular the base part 42. Preferably, the plug 50 passes through the main floor 26.

reference list

10

arrangement

12

high-voltage component

14

recording room

16

Housing

18

passenger cars

20

body

22

inner space

24

vehicle elevation

26

main floor

28

housing cover

30

fastener

32

seating system

34

cross member

36

cover part

38

side panel

40

housing tray

42

bottom part

44

energy storage

46

bottom

48

top

50

plug

QUOTES INCLUDED IN DESCRIPTION

This list of documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• DE 102009031779 A1 [0002]
• DE 102017011892 A1 [0003]

Claims (5)

Arrangement (10) of a high-voltage component (12) in a receiving space (14) of a housing (16) of a passenger car (18), characterized in that the housing (16) has an at least indirectly attached to the interior (22) of the passenger car (18) the main floor (26) of the body (20) of the passenger vehicle (18) which delimits the body (20) of the passenger vehicle (18) and which delimits the receiving space (14) in part and has at least one fastening element (30) for fastening a seat system (32) of the passenger car (18) and a cross member (34) of the body (20) connected to the housing cover (28), the high-voltage component (12) between a cover part (36) of the Housing cover (28) and the main floor (26) is arranged. Arrangement (10) after claim 1 characterized in that the housing (16) has a housing trough (40) which is formed separately from the housing cover (28) and separately from the main floor (26), which is arranged on the main floor (26) and in the vertical direction (24) of the vehicle between the High-voltage component (12) and the main floor (26) arranged and the receiving space (14) in the vehicle vertical direction (24) downwardly delimiting floor part (42). Arrangement (10) after claim 2 , characterized in that the cross member (34) is connected to the housing trough (40). Arrangement (10) according to one of the preceding claims, characterized by an electrical energy store (44) which is electrically connected to the high-voltage component (12) and is arranged on the main floor (26). Arrangement (10) after claim 4 , characterized in that the energy store (44) is arranged on an underside (46) of the main floor (26) pointing downwards in the vertical direction (24) of the vehicle and facing away from the receiving space (14).

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