• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a fastening device (3) for at least one battery module (7), in particular for at least one battery module (7) of an electric vehicle, having a carrier structure (2) with at least one supporting part (4, 5, 6) engaging the battery module (7). wherein the battery module (7) is fixedly connected to the support structure (2). In order to ensure a lightweight, cost-effective and secure attachment of the battery in the vehicle, it is provided that the support structure (2) has at least one first and at least one second support part (4, 5, 6; 14, 15, 16), wherein the Support parts (4, 5, 6, 14, 15, 16) arranged on different sides of the battery module (7) are connected to one another by at least one tie rod (8).
    公开号:AT510815A1
    申请号:T1901/2010
    申请日:2010-11-17
    公开日:2012-06-15
    发明作者:
    申请人:Avl List Gmbh；
    IPC主号:
    专利说明:

    - 1 - 56104
    The invention relates to a fastening device for at least one battery module, in particular for at least one battery module! an electric vehicle having a support structure with at least one battery module engaging under the support member, wherein the battery module is fixedly connected to the support structure.
    It is known to mount battery cells or battery modules on profile carriers. Furthermore, it is known to attach battery modules on continuous metal support plates.
    US 2009/226806 A discloses a fastening device for batteries in a vehicle, wherein a battery pack is fastened by screws to the vehicle floor. A similar arrangement is known from EP 1 850 407 A1.
    Low-voltage batteries are usually connected via clamping devices to the body of the vehicle, as known for example from the publications KR 2001-0093501 A, KR 100 680 543 Bl or DE 10 2006 026 619 Al. Such clamping devices are not suitable for high voltage batteries for safety reasons.
    The KR 2001-0092493 A discloses a fastening device for a vehicle battery, wherein the attachment via the battery passing through mounting rods, which can be positively connected to vehicle-mounted tabs, This type of attachment is, however, less suitable for high voltage batteries of an electric vehicle for safety reasons.
    Furthermore, it is known to perform the attachment of the batteries on the vehicle via frame-like structures, see for example CN 101 710 613 A or KR 2006-0091948 A. Such support structures, however, have the disadvantage of a high weight, which is the desire as high as possible weight-related energy densities reach, oppose.
    The object of the invention is to avoid the disadvantages mentioned and to attach batteries, especially high-voltage batteries, in a simple and secure manner to the body of a vehicle, with the highest possible weight-related energy densities to be achieved.
    According to the invention this is achieved in that the support structure has at least a first and a second support member, wherein the arranged on different sides of the battery module supporting parts are interconnected by at least one tie rod, wherein preferably at least one tie rods are arranged normal to the stacking direction of the battery cells. - 2 -
    A particularly secure attachment can be achieved if each preferably formed by a fastening screw tie rod with the two supporting parts, positively and / or non-positively connected, preferably screwed, wherein particularly preferably the tie rod is disposed predominantly within the battery module,
    To protect the battery module can be provided that the battery module is disposed in a battery case, wherein at least one of the two support members, preferably both support members, is fixedly connected to a battery housing surrounding the battery.
    A particularly secure attachment is made possible if at least one support part, preferably each support part, is arranged between the battery module and the battery housing, wherein preferably at least one first support part in a bottom region of the battery housing and at least one second support part in a ceiling region of the battery and / or Battery housing is arranged. It is particularly advantageous if at least one tie rod penetrates the battery housing, and the battery housing is connected via at least one nut or a screw head of the tie rod firmly with at least one support member.
    A cost-effective attachment can be accomplished if at least one support member is formed by an elongated profile part, preferably by a closed hollow profile, particularly preferably by an extruded profile, preferably made of aluminum. But it is also possible to use as the material for the profiled support plastic, preferably polyamide. By a trapezoidal hollow profile, for example, a high rigidity can be achieved with low weight.
    The battery module is advantageously thermally decoupled from the carrier structure, wherein preferably at least one heat-insulating part, preferably a foamed part, is arranged between the battery module and the battery housing. A further improvement of the thermal insulation can be achieved if at least one sealing device is arranged between at least one support part and the battery housing and / or between the support part and the battery module.
    A very secure and stable mounting of the battery module can be achieved if the support structure in each case has at least two, preferably at least three, preferably preferably parallel, first and second support parts, wherein preferably the battery housing in the region at least - at least one support member, may have at least one preferably parallel to the support member extending stiffening rib.
    To further increase the rigidity, it is advantageous if the battery housing consists of at least two housing parts, which are preferably connected to overlapping flange surfaces firmly together, particularly preferably glued.
    A particularly secure attachment can be achieved if the support member and / or the recess has a trapezoidal - or wedge-shaped profile. Due to the trapezoidal or wedge-shaped cross section, the battery module together with the battery housing can be connected without play with the support structure, so that a stable and accident-proof attachment is ensured in the vehicle.
    A secure connection of the support structure to the body can be achieved if at least one support member is firmly connected to at least one end of the battery module projecting end to the body of the vehicle, preferably screwed.
    In order to keep the weight as low as possible and to achieve high weight-related energy densities, it is advantageous if the support member made of aluminum or plastic, preferably made of polyamide.
    A particularly good heat decoupling between the battery modules and the battery housing or the body can be achieved if the battery module is thermally decoupled from the support structure, preferably between the battery module and the battery housing at least one heat-insulating part, preferably a foamed part, is arranged.
    The invention will be explained in more detail below with reference to FIGS.
    2 shows the battery unit in a section along the line II - II in Fig. 1, Fig. 3, the battery unit in a section along the line III - III in Fig. 1 and Fig. 4 shows a battery module with a fastening device in detail in an oblique view.
    Fig. 1 shows a battery unit 20 with a battery case 1, which is fixedly connected to a support structure 2 having a fastening device 3, and with one or more battery modules 7. The support structure 2 has a plurality of mutually parallel first support members 4, 5, 6 and second Supporting parts 14, 15, 16, which, for example, by extrusion profiles - 4 -
    Aluminum can be formed. Alternatively, the support members 4, 5, 6; 14, 15, 16 also be made of plastic, for example polyamide. •
    Within the battery case 1 at least one of a plurality of battery cells 7 'exhibiting battery module 7 is arranged, which directly via a plurality of fastening screws 8a by means of tie rods 8 with the first and second support members 4, 5, 6; 14, 15, 16 is firmly connected. The elongated first support parts 4, 5, 6 are between the battery case 1 in the bottom portion la and / or in the bottom portion 7a of the battery module 7 and the second support members 14, 15, 16 in the ceiling area lb, 7b of the battery case 1 and / or the battery module 7 and arranged, wherein the battery case 1 in the region of the Tragteiie 4, 5, 6; 14, 15, 16 parallel to the support member extending stiffening ribs 9 has.
    The fastening screw 8a of the tie rod 8, whose axis is designated by 8 ', for example, formed by a threaded bolt, passes through the first housing part 10 of the battery housing 1, a first support part 4, 5, 6, the battery module 7, the second support part 14, 15 and 16 and the second housing part 11 of the battery case 1 and has the battery module 7 and is screwed at the ends via at least one nut 8b, wherein the other end of the fastening screw 8a may have a screw head or a further nut 8b '. By the thus prestressed tie rods 8, the housing parts 10, 11 fixed to the support members 4, 5, 6; 14, 15, 16 pressed and the support members 4, 5, 6; 14, 15, 16 firmly pressed in the stacking direction of the battery cells to the battery module .. The mounting screws 8a are guided through holes in the battery module 7 and through openings of the battery case 1 and with the nuts 8b, 8b 'firmly screwed. For thermal decoupling of the battery module 7 of the support structure 2 are between each support member 4, 5, 6; 14, 15, 16 and the battery housing 1 and / or between each support member 4, 5, 6; 14, 15, 16 and the battery module 7 sealing means 13 are provided, which may be formed by O-rings, silicone inserts, EPTM (ethylene-propylene-diene monomer), or the like. The sealing force is created by the tension of the supporting parts 4, 5, 6; Optionally, the thermal decoupling can still be improved by using heat-insulating material, for example by a foamed part, between the battery module 7 and the battery case 1, without the connection to the support structure 2 adversely affected.
    To increase the rigidity, the two housing parts 10, 11 may be glued together on a specially shaped flange. - 5 -
    The composite of battery modules 7, support structure 2 and the battery housing 1 together form a lightweight and inexpensive supporting structure
    By the described support structure 2, a high weight-related energy density can be achieved, since the use of supporting metal parts can be reduced to a minimum. Nevertheless, a secure attachment of the relatively high battery weight in the vehicle under the usual operating conditions, especially in the event of a crash, guaranteed. The support structure 2 is very simple and inexpensive to manufacture and can be bolted directly to the body of the vehicle.
    A significant advantage is the good thermal insulation of the battery modules 7 to the outside, which is particularly important for cold start and operation or standstill at hot temperatures of great importance.
    权利要求:
    Claims (17)
    [1]
    1. Attachment device (3) for at least one battery module (7), in particular for at least one battery module (7) of an electric vehicle, having a support structure (2) with at least one support part (4, 5, 14) engaging under the battery module (7). 6), the battery module (7) being fixedly connected to the carrier structure (2), characterized in that the carrier structure (2) has at least one first and at least one second carrier part (4, 5, 6; 14, 15, 16), The support parts (4, 5, 6; 14, 15, 16) arranged on different sides of the battery module (7) are provided with at least one tie rod (8), preferably at least two tie rods (8), particularly preferably at least three tie rods (8 ) are interconnected.
    [2]
    2. Fastening device (3) according to claim 1, characterized in that at least one tie rod (8) are arranged normal to the stacking direction of the battery cells (7 ').
    [3]
    3. Fastening device (3) according to claim 1 or 2, characterized in that each preferably a fastening screw formed tie rod (8) with the first and second support member (4, 5, 6; 14, 15, 16) positively and / or positively connected, preferably screwed, wherein particularly preferably the tie rod (8) is arranged predominantly within the battery module (7).
    [4]
    4. Fastening device (3) according to one of claims 1 to 3, characterized in that the battery module (7) in a battery housing (1) is arranged, wherein at least one of the two supporting parts (4, 5, 6; 14, 15, 16 ), preferably both supporting parts (4, 5, 6, 14, 15, 16), with a battery housing (7) surrounding the battery housing (1) is firmly connected.
    [5]
    5. fastening device (3) according to claim 4, characterized in that at least one support member (4, 5, 6; 14, 15, 16), preferably each support member (4, 5, 6; 14, 15, 16), between the Battery module (7) and the battery case (1) is arranged.
    [6]
    6. Fastening device (3) according to one of claims 1 to 5, characterized in that at least one first support part (4, 5, 6) in a bottom region (la) of the battery case (1) and at least a second support member (14, 15, 16) in a ceiling area (lb, 7b) of the battery case (1) and / or the battery module (7) is arranged. - 7 -
    [7]
    7. Fastening device (3) according to one of claims 1 to 6, characterized in that at least one tie rod (8) penetrates the battery housing (1), wherein preferably the battery housing (1) via at least one nut (8b) or a screw head (8c ) of the tie rod (8) is fixedly connected to at least one support part (4, 5, 6; 14, 15, 16).
    [8]
    8. Fastening device (3) according to one of claims 1 to 7, characterized in that at least one support member (4, 5, 6; 14, 15, 16) by an elongated profit part, preferably by a closed hollow profile, particularly preferably by an extruded profile is formed.
    [9]
    9. fastening device (3) according to one of claims 1 to 8, characterized in that between at least one support member (4, 5, 6; 14, 15, 16) and the battery housing (1) and / or between the support member (4, 5, 6, 14, 15, 16) and the battery module (7) at least one sealing device (13) is arranged.
    [10]
    10. Fastening device (3) according to one of claims 1 to 9, characterized in that the support structure (2) in each case at least two, preferably at least three, particularly preferably arranged parallel to each other, first and second supporting parts (4, 5, 6; 15, 16).
    [11]
    11. Fastening device (3) according to one of claims 1 to 10, characterized in that the battery housing (1) preferably in the region of at least one supporting part (4, 5, 6; 14, 15, 16), at least one preferably parallel to the supporting part ( 4, 5, 6, 14, 15, 16) extending stiffening rib (9).
    [12]
    12. Fastening device (3) according to one of claims 1 to 11, characterized in that at least one support part (4, 5, 6; 14, 15, 16) has a trapezoidal cross-section.
    [13]
    13. Fastening device (3) according to one of claims 1 to 12, characterized in that at least one support member (4, 5, 6; 14, 15, 16) made of aluminum or plastic, preferably made of polyamide.
    [14]
    14. Fastening device (3) according to one of claims 1 to 13, characterized in that at least one support part (4, 5, 6; 14, 15, 16) fixed to at least one battery module (7) projecting end to the body of the vehicle connected, preferably screwed.
    [15]
    15. Fastening device (3) according to one of claims 1 to 14, characterized in that the battery module (7) of the support structure (2) - 8 - is thermally decoupled, preferably between the battery module (7) and the battery case (1) at least one heat-insulating part, preferably a foamed part, is arranged.
    [16]
    16. Fastening device (3) according to one of claims 1 to 15, characterized in that the battery housing (1) consists of at least two housing parts (la, lb), which are preferably connected to overlapping flange of a flange (17) firmly together, particularly preferably are glued.
    [17]
    17. Battery unit (20) with at least one in a battery housing (1) arranged battery module (7), in particular for an electric vehicle, with a fastening device (3) for at least one battery module (7), according to one of claims 1 to 16. 2010 11 17 feet / hour

    Patent Attor «Dipl.-Ing. Mag. Michael A-1150 Vienna, Mirlihller «Ortel 39/17 Tel. M51) »» 2 Μ 33-0 Fm; HI I) 892 89 333
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    同族专利:
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    引用文献:
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    法律状态:
    2019-07-15| MM01| Lapse because of not paying annual fees|Effective date: 20181117 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1901/2010A|AT510815B1|2010-11-17|2010-11-17|MOUNTING DEVICE FOR AT LEAST ONE BATTERY MODULE|ATA1901/2010A| AT510815B1|2010-11-17|2010-11-17|MOUNTING DEVICE FOR AT LEAST ONE BATTERY MODULE|
    PCT/EP2011/069362| WO2012065855A1|2010-11-17|2011-11-03|Mounting device for at least one battery module|
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