WO2019129132A1 - 用于多线槽连接的布线结构 - Google Patents
用于多线槽连接的布线结构 Download PDFInfo
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- WO2019129132A1 WO2019129132A1 PCT/CN2018/124292 CN2018124292W WO2019129132A1 WO 2019129132 A1 WO2019129132 A1 WO 2019129132A1 CN 2018124292 W CN2018124292 W CN 2018124292W WO 2019129132 A1 WO2019129132 A1 WO 2019129132A1
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- WO
- WIPO (PCT)
- Prior art keywords
- bracket
- wiring structure
- slot connection
- brackets
- sleeve
- Prior art date
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- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 abstract description 21
- 239000000463 material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
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- 230000004323 axial length Effects 0.000 description 3
- 230000012447 hatching Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000005452 bending Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000009751 slip forming Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
- B60R16/0222—Grommets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
Definitions
- the present invention relates to a wiring structure for multi-slot connection, which is applied to the field of automotive wire harness installation, and more particularly to a flexible wiring structure for multi-slot connection.
- New energy vehicles such as electric vehicles and hybrid vehicles are required to be equipped with high-voltage cable harnesses due to the use of electric power, and need to carry large-scale power storage devices and wire harness arrangements matched therewith. Optimization of the wire harness layout can save space, reduce costs, and improve installation convenience. Therefore, it has received unprecedented attention.
- the conventional method is as follows: a plurality of brackets are installed together at the bottom of the vehicle to protect the wire harness, and all the brackets are connected one by one through the card slot structure.
- the material used to make the stent is often a rigid material, such as plastic, that is not flexible.
- the brackets are connected to each other by a card slot which provides a seamless connection, i.e., is fixed to each other after the connection and cannot be bent. Therefore, when the wiring structure having the card slot structure is installed inside the vehicle, it causes inconvenience, it is difficult to eliminate the mounting tolerance, and the accuracy is not high, which may cause waste of space. For example, if it is to be installed in a narrow space with a curved angle, it is sometimes necessary to take an additional bracket having a shape that matches the space.
- a plurality of brackets are connected together by a card slot to form an elongated series bracket. Due to the card slot structure, it cannot be folded and cannot be bent, resulting in difficulty in transportation.
- the wiring structure for multi-slot connection of the present disclosure has flexibility at a specific portion, and has the advantages of convenient assembly of the wire harness, elimination of installation work, extensive application, and convenient transportation.
- a wiring structure for a multi-slot connection for mounting a protective harness at a bottom of a vehicle characterized in that the wiring structure comprises: a plurality of brackets (1, 3), The brackets respectively have two ends, and a gap (6) is disposed between the ends of the two brackets disposed adjacent to each other; at least one harness (2) is disposed inside the bracket and penetrates through the plurality of brackets Extending; a sleeve (4) having a flexibility and disposed on an outer circumference of the wire bundle, the sleeve being overlapped in the gap in the axial direction.
- the sleeve (4) is flexible.
- the sleeve (4) is an impact resistant sheath.
- the end of the stent is trapezoidal and wider toward the end.
- the ends of the brackets (1, 3) are formed with flanges (5).
- the flange (5) of the end of the bracket (1, 3) has a continuous annular shape in a section perpendicular to the axial direction of the bracket.
- the flange (5) of the end of the bracket (1, 3) has a discontinuous annular shape in a section perpendicular to the axial direction of the bracket.
- the outer circumference of the bracket (1, 3) is provided with at least one strap hole (7) for protecting the cable tie by binding.
- the material of the brackets (1, 3) is plastic.
- the ends of the brackets (1, 3) exhibit a long side width of the trapezoidal section of 5-50 mm.
- the bracket (1, 3) is further provided with a cover for protecting and fixing the protective harness.
- the gap (6) has a width of 5-10 mm in a direction parallel to the axial direction of the bracket.
- the wiring structure for multi-slot connection of the present application has the following advantages as compared with the prior art:
- the structure of the invention has an open space inside the box, and the inside of the bracket has sufficient space to install the wire harness;
- the present invention can be applied to the installation of protective harnesses of different types of vehicle bottoms.
- the invention has a simple structure and can be separately bent and installed in series for transportation.
- FIG. 1 is a schematic external view of a wiring structure for a multi-slot connection in the prior art.
- Fig. 2 is a partially enlarged view showing a wiring structure for a multi-slot connection in the prior art.
- FIG 3 is a schematic external view of a wiring structure for a multi-slot connection according to an embodiment of the present application.
- FIG. 4 is a partially enlarged view showing a wiring structure for a multi-slot connection according to an embodiment of the present application.
- FIG. 5 is an axial cross-sectional view of a wire harness and a sleeve in accordance with an embodiment of the present application.
- Figure 6 is a cross-sectional view of the wire harness and the sleeve in a direction perpendicular to the axial direction, in accordance with an embodiment of the present application.
- FIG. 7 is a cross-sectional view schematically showing a state after the wire harness is mounted according to an embodiment of the present application.
- FIG. 8 is a cross-sectional view schematically showing a state after the harness is mounted according to another embodiment of the present application.
- FIG. 1 is a schematic external view of a wiring structure for a multi-slot connection in the prior art.
- Fig. 2 is a partially enlarged view showing a wiring structure for a multi-slot connection in the prior art.
- a plurality of brackets are connected one after another to form an elongated wiring structure in which wire bundles are accommodated in each of the brackets, and the wire harnesses are formed in a strip shape across the plurality of brackets.
- the plurality of stents forming the strips have no gaps between each other, and their connections are tight.
- Fig. 2 is a partially enlarged view showing a joint portion between the two brackets in Fig. 1, and Fig. 2 is an enlarged view of a portion which is completely circled in Fig. 1.
- the connection between the two brackets is achieved by the card slot structure.
- a card slot structure is shown above and below each of FIG. 2, one bracket is formed with an ear-shaped hook, and the other bracket is formed with a flange, and the flange can be snapped into the hook.
- the card slot structure is a rigid structure, and the plurality of brackets after the connection are not easily bent and are not easy to be folded, the tolerance is low in installation, the space utilization rate is affected, and the transportation has many inconveniences.
- brackets for multi-slot connection when the wiring structure for multi-slot connection is installed in a substantially 90-degree corner portion of the vehicle, it may be necessary to introduce a bracket that matches the angle to another shape, see the right portion of FIG. Curved bracket. It can be said that to improve space utilization, it is often necessary to introduce brackets of various shapes to perfectly match the shape of the space in an existing vehicle. This not only puts higher requirements on the forming of the bracket, but also increases the manufacturing cost. Different installation conditions are often considered during the installation. The brackets of different shapes and sizes are selected, which brings a lot of inconvenience to the installation engineer.
- FIGS. 3 and 4 are schematic external views of a wiring structure for a multi-slot connection according to an embodiment of the present application.
- 4 is an enlarged view showing a part of a wiring structure for a multi-slot connection according to an embodiment of the present application, and
- FIG. 4 is an enlarged view of a portion circled by a circle in FIG.
- the wiring structure composed of a plurality of brackets (first bracket 1, second bracket 3, ...) is substantially elongated, and gaps are provided between the brackets to be spaced apart from each other.
- At the outer circumference of the elongated wiring structure at least one strap hole 7 is formed for protecting the harness tie by bonding.
- each of the brackets has two end portions, and the end portion has a substantially trapezoidal cross section in a direction parallel to the axial direction of the bracket, and the cross section is a section passing through the center line of the bracket.
- the side near the end of the bracket is the long side of the trapezoid, and the side closer to the center of the bracket is the short side of the trapezoid, that is, the closer to the end of the bracket, the wider the end opening, and the end portion is gradually narrowed near the center of the bracket.
- a gap is provided between two adjacent brackets, and the two brackets are not seamlessly connected. Due to the arrangement of the gaps, the plurality of brackets of the embodiments of the present application can still provide flexibility after being connected to each other, which is convenient for bending and easy to stack, thereby improving the installation convenience and obtaining more beneficial effects in transportation.
- the bracket on the left side in FIG. 4 is named as the first bracket 1, and the bracket on the right side is named as the second bracket 2.
- the first bracket and the second bracket are not used to define the relationship between the brackets. Or the order, just for the sake of explanation.
- a gap 6 is provided between the first bracket 1 and the second bracket 3.
- the first bracket 1 and the second bracket 3 are not slotted structures or rigid structures.
- the gap 6 in Fig. 4 indicates a width d which is a distance at which the two brackets are spaced apart from each other, and may also be referred to as a gap width.
- the reference numeral "2" in FIG. 4 indicates a wire harness, and at least one wire harness 2 can be accommodated in the first bracket 1 and the second bracket 3, and the specific number of the wire harness is not limited, and can be appropriately set as needed.
- the number of wires is shown in Figure 3.
- the wire harness 2 extends through the first bracket 1, the gap 6, and the second bracket 3, and a sleeve 4 is provided on the outer circumference of each harness 2, which may be referred to as a sleeve 4.
- the sleeve 4 is made of a soft material for protecting the wire harness 2.
- the soft sleeve 4 not only provides sufficient flexibility to the wiring structure, but also provides sufficient protection for the wiring harness.
- the sleeve 4 may be impact-resistant sheath, in particular, may be employed Mogul company developed a high-voltage cable protection products, brand name CrushShield TM new material.
- CrushShield TM surrounds the cable to isolate the battery cable from the vehicle's executive structure, and has a sturdy, multi-layered fiber material and unique base. Designed to absorb and distract impact forces together. For example, it can disperse the shear force generated during a collision.
- the material of the sleeve 4 may be other materials that provide sufficient protection and sufficient softness to the vehicle harness, and are not limited to the particular materials mentioned herein. As long as the above conditions are met. It can be any flexible material available on the market.
- a flange 5 is formed in the vicinity of the gap 6 formed between the ends of the respective brackets, that is, between the two brackets (1, 3).
- Figure 4 is a cross-sectional view of the stent attachment portion through the centerline of the stent, in which the flange 5 is shown as a raised square and is disposed at the extreme end of the stent end.
- the flange 5 is formed on the outer circumference of the bracket, and is a structure that protrudes radially from the inner side of the bracket toward the outer side of the bracket. The shape of the flange 5 and its arrangement can be varied.
- the flange 5 may be a continuous ring shape that is continuously formed over the entire circumference of the bracket.
- the flange 5 may also be a discontinuous ring shape, and a plurality of broken flanges 5 are formed on the outer circumference of the bracket, that is, the flanges 5 are provided with a space therebetween, such as an isolated island.
- the end of the stent of the embodiment of the present application is formed into a wider shape near the end, which structure contributes to the provision of the sleeve 4.
- the sleeve 4 is disposed at a position overlapping the gap 6, and the axial length of the sleeve 4 is slightly larger than the axial length "d" of the gap 6.
- the axial length d of the gap 6 can be in the range of 5-10 mm. Due to the addition of the sleeve 4, the size of the portion of the bracket that is provided with the sleeve 4 will be larger than the size of the remaining portion of the wire bundle only, which facilitates the wiring of the wire harness and improves reliability.
- the wiring harness arrangement in the space in which only the wire harness is disposed is loose, which is disadvantageous for reliability.
- the present application solves the above problems simply by adopting a structure in which the end of the end portion is wider, and the portion where the sleeve 4 is provided is formed to be wider, and the portion where the sleeve 4 is not formed is formed to be narrow.
- the length of the trapezoidal long side is 5 to 50 mm in the end section of the holder passing through the center line.
- a cover (not shown) may be provided on the bracket, and the harness is wrapped inside the bracket to be protected and fixed.
- Fig. 5 is a cross-sectional view of the wire harness of the wire harness and the sleeve in the axial direction.
- Reference numeral "2" of Fig. 5 denotes a wire harness, indicated by a hatching, and "4" denotes a bushing.
- the sleeve 4 and the wire harness 2 are schematically shown in the drawing.
- the sleeve 4 is disposed on the outer circumference of the wire harness 2 to protect the wire harness 2.
- the shape of the sleeve 4 may vary depending on the shape of the wire harness 2.
- the sleeve 4 When the wire harness 2 is circular, the sleeve 4 is annular, and the wire harness 2 and the sleeve 4 form a concentric circle. When the wire harness 2 is a flat wire, the sleeve 4 may have an elliptical shape.
- the shape of the wire harness 2 and the shape of the sleeve 4 are not limited as long as the sleeve 4 is provided on the outer circumference of the wire harness 2 and the wire harness 2 can be protected. Further, since the sleeve 4 is provided on the outer circumference of the wire harness 2, the size at the portion of the bracket where the sleeve 4 is provided is correspondingly increased. It is to be noted that the position of the sleeve 4 overlaps with the gap 6 between the ends of the two brackets. This not only provides softness, but also provides reliability, taking into account safety and performance.
- Figure 6 is a cross-sectional view of the sleeve and the wire harness penetrating from a direction perpendicular to the axial direction.
- the shaded portion in Fig. 6 is the wire harness 2, and the blank portion without the shadow is the sleeve 4.
- the illustrated structure is a circular wire harness 2 and an annular sleeve 4 corresponding thereto.
- the wire harness 2 is disposed at the center, and the sleeve 4 is disposed at the outer circumference of the wire harness, at which time the wire harness and the sleeve form a concentric circle.
- this application is not intended to define the shape of the wire harness and the sleeve. Only the relative relationship of the sleeve to the wire harness is shown schematically.
- a schematic view of the wire harness and the sleeve after installation of the embodiment of the present application will be continued.
- the portion indicated by the hatching in the figure is the wire harness 2, and the portion without the shadow is the sleeve 4.
- Fig. 7 is a schematic view showing the wiring structure provided in a curved space.
- a special bracket suitable for the curved portion may be omitted, but the flexibility of the sleeve 4 may be adopted.
- the wiring structure can be bent.
- a special bracket for the curved portion will result in an increase in cost, which is an undesirable method.
- the wiring structure for multi-slot connection of the present application reduces the number of molds required to manufacture brackets of different shapes by utilizing the gap and its corresponding portion of the sleeve. By simplifying the manufacturing method, the manufacturing cost can be reduced, and the ease of installation can be improved.
- Fig. 8 is a schematic view showing the wire harness and the bushing of another embodiment after installation.
- the portion indicated by the hatching in the figure is the wire harness 2, and the portion without the shadow is the sleeve 4.
- the structure shown in Fig. 8 is a schematic view in which the wiring structure is mounted in a space such as a zigzag.
- a special bracket for the zigzag portion will result in an increase in cost, which is an undesirable method.
- the wiring structure for multi-slot connection of the present application reduces the number of molds required to manufacture brackets of different shapes by utilizing the gap and its corresponding portion of the sleeve. By simplifying the manufacturing method, the manufacturing cost can be reduced, and the ease of installation can be improved.
- the above two embodiments shown in Figs. 7 and 8 are merely schematic structures for explaining the wiring structure for multi-slot connection of the present invention, and those skilled in the art can variously use various ways as needed.
- the bent bracket especially the soft structural features formed by the gap at the joint of the bracket, matches the wiring structure with various shapes, can save space occupied by the wiring structure, improve the installation convenience of the wiring structure, and save cost. Furthermore, it can be widely used in new energy vehicles such as electric vehicles and hybrid vehicles.
- Figures 7 and 8 show only one wire harness and sleeve, this is merely illustrative and similar mounting can be achieved in the presence of multiple wire bundles.
- the number of harnesses and sleeves is not limiting.
- the connection between the two is not a seamless connection
- the harness at the gap is protected by an impact sheath, that is, a soft sleeve , such as CrushShield TM .
- a soft sleeve such as CrushShield TM.
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Abstract
本公开涉及一种用于多线槽连接的布线结构,用以在车辆底部安装保护线束,其特征在于,该布线结构包括:多个支架(1、3),所述支架分别具有2个端部,彼此相邻设置的2个支架的端部之间设有间隙(6);至少一个线束(2),设置于所述支架内部,且贯穿多个所述支架来延伸;套管(4),具有柔性且设于所述线束的外周,在轴向上所述套管重叠于所述间隙。与现有技术相比,本公开的布线结构具有线束方便安装、消除安装工差、运用广泛、运输方便等优点。
Description
本发明涉及一种用于多线槽连接的布线结构,应用于汽车线束安装领域,尤其涉及一种具有柔性的用于多线槽连接的布线结构。
近年来,随着温室效应的加剧,各行各业对环保方面提出越来越多的要求。当然,汽车行业也不甘示弱,积极开发和推出新能源车辆,诸如电动车辆(EV)、混合动力车辆(HEV),由此以缓解石油为燃烧原料的现有常规车辆带来的环境问题。
诸如电动车辆、混合动力车辆等新能源车辆由于采用电力驱动,需设置高压电缆线束,且需要承载大规模蓄电设备以及与其相配合的线束布置。在线束布置方面进行优化,可大大节省空间、减少成本、提高安装方便度,因此,受到了空前的关注度。
目前,在线束布置方面,常规采用的方式有:多个支架一同安装在车辆底部保护线束,所有的支架通过卡槽结构一个接一个连接在一起。用于制作支架的材料往往是刚性的材料,诸如塑料,不具有柔性。此外,这些支架通过卡槽彼此连接,这种连接方式提供无缝连接,即,连接后彼此是固定的,无法弯折。因此,这种具有卡槽结构的布线结构在车辆内部安装时,带来诸多不便,很难消除安装公差,而且精度不高,可能造成空间的浪费。诸如,若要安装在有弯曲角度的狭小空间,有时不得不采取具有与该空间匹配的形状的另外的支架。
此外,多个支架通过卡槽连在一起会形成长形的串联支架,由于是卡槽结构,无法折叠,无法弯曲,导致运输困难。
发明内容
鉴于车辆内线束布置中存在的诸多问题,本公开的用于多线槽连接的布线结构 在特定部位具有柔性,可具有线束方便安装、消除安装工差、运用广泛、运输方便等优点。
根据本申请的一实施方式,提供一种用于多线槽连接的布线结构,用以在车辆底部安装保护线束,其特征在于,该布线结构包括:多个支架(1、3),所述支架分别具有2个端部,彼此相邻设置的2个支架的端部之间设有间隙(6);至少一个线束(2),设置于所述支架内部,且贯穿多个所述支架来延伸;套管(4),具有柔性且设于所述线束的外周,在轴向上所述套管重叠于所述间隙。
优选地,所述套管(4)具有柔性。
进一步优选地,所述套管(4)为抗冲击护套。
优选地,在穿过所述支架(1、3)中心线的截面上,所述支架的端部呈梯形,越靠近端部末端越宽。
优选地,所述支架(1、3)的端部形成有突边(5)。所述支架(1、3)的端部的所述突边(5)在垂直于所述支架轴向的截面上呈连续的环形。或者,所述支架(1、3)的端部的所述突边(5)在垂直于所述支架轴向的截面上呈不连续的环形。
此外,优选地,所述支架(1、3)的外周设有至少一个扎带孔(7),用以通过绑定保护线束扎带。
根据本申请的一实施方式,所述支架(1、3)的制作材料为塑料。
优选地,所述支架(1、3)的端部呈现的梯形截面的长边宽度为5-50mm。
根据另一实施方式,所述支架(1、3)上还设有用以保护和固定保护线束的封盖。
此外,优先地,所述间隙(6)在平行于所述支架的轴向的方向上的宽度为5-10mm。
通过形成上述结构,与现有技术相比,本申请的用于多线槽连接的布线结构具有以下优点:
1)线束方便安装:本发明的结构在线槽盒盒盖打开状态下,支架内部有足够的空间安装线束;
2)消除安装工差:由于两个相对设置的支架间没有直接连接或卡住,并且支架与支架间的间隙采用软质的抗冲击护套,不仅可以有效的保护露出支架间隙处的线束,同时可以进行活动,能够调整安装位置和角度,提高安装精度;
3)运用广泛:本发明能够适用于不同类型的车底部的保护线束的安装。
4)运输方便:本发明结构简单并且可以分别进行串联折弯安装,便于运输。
图1为现有技术的用于多线槽连接的布线结构的大致外观图。
图2为突出示出现有技术的用于多线槽连接的布线结构的局部放大图。
图3为根据本申请的一实施方式的用于多线槽连接的布线结构的大致外观图。
图4为突出示出根据本申请的一实施方式的用于多线槽连接的布线结构的局部放大图。
图5为根据本申请的一实施方式的线束与套管的轴向截面图。
图6为根据本申请的一实施方式的线束与套管的垂直于轴向的方向上的截面图。
图7为示意性地示出根据本申请的一实施方式的线束安装后的状态的截面图。
图8为示意性地示出根据本申请的另一实施方式的线束安装后的状态的截面图。
附图标记说明:
1.第一支架、
2.线束、
3.第二支架、
4.套管、
5.突边、
6.间隙、
7.扎带孔。
下面结合具体实施例和附图对本发明作进一步说明,在以下的描述中阐述了更多的细节以便于充分理解本发明,但是本发明显然能够以多种不同于此描述的其它方式来实施,本领域技术人员可以在不违背本发明内涵的情况下根据实际应用情况作类似推广、演绎,因此不应以此具体实施例的内容限制本发明的保护范围。
接下来,结合附图和具体实施例对本发明进行详细说明。在说明过程中,为了突出本申请的布线结构的特点,有时对本领域普通技术人员公知的部分进行了省略 处理或简化处理。
首先,参照图1和图2对现有技术进行简单说明,以便于更好地理解本申请所涉及的技术方案及通过该技术方案带来的技术效果。图1为现有技术的用于多线槽连接的布线结构的大致外观图。图2为突出示出现有技术的用于多线槽连接的布线结构的局部放大图。
图1中可观察到多个支架一个接一个地连接在一起,形成长条形的布线结构,在各支架中收纳有线束,各线束跨越多个支架形成长条状。形成长条的多个各支架彼此之间没有空隙,它们的连接是紧密的。
图2是突出示出图1中的2个支架之间的连接部位的局部放大图,图2是对图1中用圆圈全出的局部的放大图。可以观察到2个支架之间的连接是由卡槽结构实现的。在图2的上方和下方各自示出了1个卡槽结构,一个支架形成有耳朵形状的弯钩,另一个支架形成有突边,突边可以卡进弯钩中。这种卡槽结构是刚性结构,连接后的多个支架不易弯曲、不易折叠,在安装方面容忍度较低,空间利用率受影响,且运输方面也有诸多不便。例如,在车辆的大致呈90度的角隅部分进安装该用于多线槽连接的布线结构时,有可能需要引进与该角度相匹配另一形状的支架,可参见图1的右边部分的呈弧形的支架。可以说,要提高空间利用率,则往往需要引进多种形状的支架,以便完美地匹配已有车辆内的空间形状。这不仅对支架的成型提出更高的要求,制造成本提高,安装时也要经常考虑不同的安装条件,选择不同形状和尺寸的支架,给安装工程师也带来了诸多不便。
在知晓上述现有技术的布线结构中存在的问题的基础上,参照后续的附图(图3-图8)来说明本申请的实施方式的布线结构。通过与现有技术中采用的结构相比较,可以更清晰地分辨出本申请的技术改进及其带来的技术效果。
接着,参照图3和图4,对本申请的实施方式的用于多线槽连接的布线结构进行说明。图3为根据本申请的一实施方式的用于多线槽连接的布线结构的大致外观图。图4为突出示出根据本申请的一实施方式的用于多线槽连接的布线结构的局部的放大图,图4是图3中用圆圈圈出的局部进行放大得到的图。
在图3的外观图中,由多个支架(第一支架1、第二支架3……)构成的布线结构大致呈长条形,各支架之间设置有间隙以便将彼此间隔开。在该长条形布线结构的外周,形成有至少一个扎带孔7,用以通过绑定保护线束扎带。图示中,各支架具有2个端部,且端部在平行于支架轴向的方向上的截面呈大致梯形,此截面是 穿过支架中心线的截面。靠近支架最末端的边为梯形的长边,相对靠近支架中心的边为梯形的短边,即,越是靠近支架末端,端部开口越宽,靠近支架中心,端部逐渐变窄。
此外,从图3中可以看出相邻设置的2个支架之间设有间隙,2个支架并非是无缝连接。由于该间隙的设置,本申请的实施方式的多个支架在彼此相连后,仍然可提供柔性,便于弯曲、便于则叠,由此提高安装方便度,且运输方面也得到了较多有益效果。
接着,参照图4,对彼此相连的2个支架的连接部位进行详细说明。将图4中左侧的支架命名为第一支架1、右侧的支架命名为第二支架2,本领域普通技术人员将理解第一支架、第二支架并非用来限定支架之间的前后关系或先后顺序,仅仅是为了便于说明。在第一支架1、第二支架3之间设置有间隙6。换言之,第一支架1、第二支架3并非是开槽结构或刚性结构。图4中的间隙6表示具有宽度d,该宽度是2个支架彼此间隔开的距离,也可称之为间隙宽度。
此外,在图4中的附图标记“2”表示线束,第一支架1、第二支架3中可收纳有至少1条线束2,线束的具体数量并非是限定性的,可根据需要设置合适的数量,图3中示出了3根线束。线束2穿过第一支架1、间隙6以及第二支架3来延伸,在各线束2的外周设置有套管4,可称为套有套管4。套管4由软质的材料制成,用来保护线束2。软质的套管4不仅给布线结构带来充分的柔性,同时又能给线束提供足够的保护。
根据本申请的一实施方式,套管4可以采用抗冲击护套,具体地,可以采用辉门公司研发出的高压电缆保护产品,商标名称为CrushShield
TM的新型材料。作为电动车辆、混合动力车辆(EV/HEV)的高压电缆的防护屏蔽材料,CrushShield
TM可环绕在电缆周围使电池电缆与汽车的执行结构隔离,且具有坚固、多层的纤维材质与独特的基地设计,它们共同吸收并分散冲击力。诸如,可分散碰撞时产生的剪切力。
当然,套管4的材料可以是对车辆线束提供充分的保护且足够的柔软度的其他材料,不限于本文所提及的特定材料。只要满足上述条件即可。可以是市面上在售的任何一种柔性材料。
继续参照图4,在各支架的端部、即2个支架(1、3)之间形成的间隙6附近,形成有突边5。图4为支架连接部位的穿过支架中心线的截面图,在该截面图中, 突边5呈现为突起的方块,且设置于支架端部的最末端。实际上,突边5形成在支架的外周,是从支架内侧向支架外侧径向突出的结构。突边5的形状及其设置方式可以是多种多样的。举例来讲,若支架为圆形,突边5可能是连续的环形,在支架的整个外周上连续地形成。突边5还可能是不连续的环形,在支架的外周形成多个断开的突边5,即,各突边5彼此之间设有间隔,如一个个孤立的小岛。通过在支架的端部设置突边5,可起到防止磨损的效果。此外,由于设有突边5,在安装时将2个支架彼此对准可以更方便,精确度更高。
此外,参见图3和图4,本申请的实施方式的支架的末端形成为靠近末端更宽的形状,这种结构有助于设置套管4。如上所述,套管4的设置位置与间隙6相重叠,且套管4的轴向长度略大于间隙6的轴向长度“d”。该间隙6的轴向长度d可以在5-10mm的范围中。由于增加了套管4,支架的设置套管4的部位尺寸将大于其余的只有线束的部位尺寸,这有利于线束的排线,提高可靠度。假设支架形成为统一的尺寸,如同圆柱那样在长度方向上具有相同的直径,则会导致仅设置线束的空间内的线束布置松散,这对可靠性是不利的。但本申请通过采用端部末端更宽的结构,简便地解决了上述问题,将支架的设置套管4的部位形成为较宽,不设有套管4的部位形成为较窄。
优选地,根据本申请的一实施方式的用于多线槽连接的布线结构,在穿过中心线的所述支架的端部截面中,梯形长边的长度为5-50mm。
此外,根据本申请的一实施方式的用于多线槽连接的布线结构,支架上可设有封盖(未在图中示出),将线束包裹在支架内部以保护和固定。
接着,参照图5,对本申请的实施方式的线束和套管的关系进行说明。图5的线束和套管的线束轴向上的截面图。图5的附图标记“2”表示线束,用阴影表示,“4”表示套管。为了避免本实施方式的改进点变得模糊,图中仅仅是示意性地示出了套管4和线束2。如图所示,套管4设置于线束2的外周以便保护线束2。当然,套管4的形状可根据线束2的形状而变化。当线束2为圆形时,套管4呈环形,线束2和套管4形成同心圆。当线束2为扁平线时,套管4可呈椭圆形。对线束2的形状和套管4的形状不作任何限定,只要套管4设于线束2外周且能保护线束2即可。此外,由于套管4设于线束2的外周,在支架的设有套管4部分处的尺寸相应地增大。要注意,套管4的位置与2个支架的端部之间的间隙6相重叠。由此,不仅提供柔软度,还能提供可靠度,兼顾了安全和性能。
图6为从垂直于轴向的方向上贯穿的套管和线束的截面图。图6中阴影部分为线束2,没有阴影的空白部分为套管4。图示结构为圆形的线束2以及与其对应的环形的套管4。线束2设于中心,套管4设于线束的外周,此时线束和套管形成了同心圆。当然,本申请不旨在限定线束与套管的形状。仅仅是示意性地示出了套管与线束的相对关系。
下面,参照图7-8,继续讨论本申请的实施方式的线束与套管安装后的示意图。图中阴影表示的部分是线束2,没有阴影的部分是套管4。图7示出的是设置于弯曲的空间中的布线结构示意图。例如,当弯曲空间形成的角度大约为90度,且需要在这种弯曲的空间安装该布线结构时,可以不采用专门的适用于弯曲部分的支架,而是通过套管4的柔软性,将布线结构弯曲即可。专门的适用于弯曲部分的支架将造成成本的提高,这是不希望采用的方式。本申请的用于多线槽连接的布线结构通过利用间隙及其相应部分的套管,减少了制造不同形状支架所需的模具种类。通过简化制造方法,可降低制造成本,且还能提高安装容易度。
图8是另一实施方式的线束与套管安装后的示意图。图中阴影表示的部分是线束2,没有阴影的部分是套管4。图8示出的结构是将布线结构安装于如“之”字形的空间中的示意图。同图7的实施方式一样,可以不采用专门的适用于“之”字形弯曲部分的支架,而是通过套管4的柔软性,将布线结构沿着要安装的空间弯曲即可。专门的适用于“之”字形部分的支架将造成成本的提高,这是不希望采用的方式。本申请的用于多线槽连接的布线结构通过利用间隙及其相应部分的套管,减少了制造不同形状支架所需的模具种类。通过简化制造方法,可降低制造成本,且还能提高安装容易度。
图7、图8所示的上述2个实施方式仅仅是为了说明本发明的用于多线槽连接的布线结构而采用的示意性结构,本领域普通技术人员可根据需要,以各种不同方式弯折支架,尤其是受益于支架连接处的间隙所形成的柔软结构特征,将布线结构与各种不同形状匹配,可节省布线结构所占据的空间,提高布线结构的安装方便度,节省成本,进而可普遍利用于电动车辆、混合动力车辆等新能源车辆中。
此外,本领域普通技术人员将理解尽管图7、图8仅仅示出了一根线束和套管,但这只是说明性的,多根线束存在的情况下,也能实现相似的安装。线束和套管的数量并非是限定性的。
简言之,本发明的原理如下:
第一支架1和第二支架3之间留有一定的间隙,即,2个之间的连接并非是无缝连接,对该间隙处的线束使用抗冲击护套保护,即,软质套管,诸如CrushShield
TM。当整个支架链在安装到车上时,可以利用套管较软的特性,来回移动,这样就可以较为方便地消除整个车身与支架的安装公差,使得支架的安装变得较为方便,此外由于套管较软,整个之间链可以折弯,这样也便于运输。
本公开虽然以较佳实施例公开如上,但其并不是用来限定本发明,任何本领域技术人员在不脱离本发明的精神和范围内,都可以做出可能的变动和修改。因此,凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何修改、等同变化及修饰,均落入本发明权利要求所界定的保护范围之内。
Claims (12)
- 一种用于多线槽连接的布线结构,用以在车辆底部安装保护线束,其特征在于,该布线结构包括:多个支架(1、3),所述支架分别具有2个端部,彼此相邻设置的2个支架的端部之间设有间隙(6);至少一个线束(2),设置于所述支架内部,且贯穿多个所述支架来延伸;套管(4),具有柔性且设于所述线束的外周,在轴向上所述套管重叠于所述间隙。
- 根据权利要求1所述的一种用于多线槽连接的布线结构,其特征在于,所述套管(4)具有柔性。
- 根据权利要求1或2所述的一种用于多线槽连接的布线结构,其特征在于,所述套管(4)为抗冲击护套。
- 根据权利要求1所述的一种用于多线槽连接的布线结构,其特征在于,在穿过所述支架(1、3)中心线的截面上,所述支架的端部呈梯形,越靠近端部末端越宽。
- 根据权利要求1所述的一种用于多线槽连接的布线结构,其特征在于,所述支架(1、3)的端部形成有突边(5)。
- 根据权利要求5所述的一种用于多线槽连接的布线结构,其特征在于,所述支架(1、3)的端部的所述突边(5)在垂直于所述支架轴向的截面上呈连续的环形。
- 根据权利要求5所述的一种用于多线槽连接的布线结构,其特征在于,所述支架(1、3)的端部的所述突边(5)在垂直于所述支架轴向的截面上呈不连续的环形。
- 根据权利要求1所述的一种用于多线槽连接的布线结构,其特征在于,所述支架(1、3)的外周设有至少一个扎带孔(7),用以通过绑定保护线束扎带。
- 根据权利要求1所述的一种用于多线槽连接的布线结构,其特征在于,所述支架(1、3)的制作材料为塑料。
- 根据权利要求4所述的一种用于多线槽连接的布线结构,其特征在于,所 述支架(1、3)的端部呈现的梯形截面的长边宽度为5-50mm。
- 根据权利要求2所述的一种用于多线槽连接的布线结构,其特征在于,所述支架(1、3)上还设有用以保护和固定保护线束的封盖。
- 根据权利要求1所述的一种用于多线槽连接的布线结构,其特征在于,所述间隙(6)在平行于所述支架的轴向的方向上的宽度为5-10mm。
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- 2018-12-27 EP EP18893670.2A patent/EP3734781B1/en active Active
- 2018-12-27 US US16/958,264 patent/US11332085B2/en active Active
- 2018-12-27 WO PCT/CN2018/124292 patent/WO2019129132A1/zh unknown
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Also Published As
Publication number | Publication date |
---|---|
US11332085B2 (en) | 2022-05-17 |
EP3734781A1 (en) | 2020-11-04 |
EP3734781B1 (en) | 2024-07-17 |
CN108075417A (zh) | 2018-05-25 |
EP3734781A4 (en) | 2021-09-22 |
US20200339047A1 (en) | 2020-10-29 |
CN108075417B (zh) | 2024-04-02 |
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