EP4453973A1 - Leitungssatz - Google Patents
LeitungssatzInfo
- Publication number
- EP4453973A1 EP4453973A1 EP23809202.7A EP23809202A EP4453973A1 EP 4453973 A1 EP4453973 A1 EP 4453973A1 EP 23809202 A EP23809202 A EP 23809202A EP 4453973 A1 EP4453973 A1 EP 4453973A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- electrically conductive
- wire
- harness
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/326—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising pressure sensing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01218—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses the wires being disposed by hand
- H01B13/01227—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses the wires being disposed by hand using a layout board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01236—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses the wires being disposed by machine
- H01B13/01245—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses the wires being disposed by machine using a layout board
Definitions
- the invention relates to a cable harness according to the preamble of claim 1.
- a cable harness of the type mentioned above is described in the document WO 2017 / 090 470 A1.
- Another cable harness of the type mentioned above is known from the document CN 1 13 937 590 A.
- a device for sensing forces acting on a line of a cable set is known from GB 2063494 B.
- the document JP 2021- 15 749 A deals with another cable set that has a reduced diameter and a predetermined breaking strength.
- cable harnesses are temporarily fixed to a cable harness laying board device made of a cable forming board and holding devices arranged thereon for holding cable components and/or cable strands of a corresponding cable harness.
- assembly of the cable harness tensile forces can be unintentionally applied to the cable components and/or the cable strands.
- the object of the invention is therefore to provide an improved or at least a different embodiment of a cable harness.
- an attempt should be made to absorb the forces occurring during assembly of cable harnesses or to make them sensable.
- the basic idea of the invention is to supplement a cable harness with a protective wire that can absorb and/or sense a tensile force that occurs during assembly of the cable harness.
- a cable harness which has a cable harness made of electrically conductive wires designed to transmit electrical energy and/or information, at least one cable component which can be temporarily fixed in place to a cable harness laying board device for the purpose of assembling the cable harness and on which the electrically conductive wires of the cable harness are arranged, and a protective wire which runs in particular essentially parallel to the electrically conductive wires and is arranged on the at least one cable component and which is designed to absorb and/or sense a tensile force acting on the cable harness during assembly of the cable harness which exceeds a specified limit value.
- the protective wire according to the invention makes it possible to absorb tensile forces that are unintentionally introduced into the cable harnesses and cable components during the automated assembly of corresponding cable harnesses, in particular, whereby damage to the cable harnesses due to critical overloading can be prevented.
- tensile forces that are unintentionally introduced into the cable harnesses and cable components during the automated assembly of corresponding cable harnesses in particular, which have exceeded a certain, definable limit and, for example, are not collected, can be made visible or detectable, so that critical overloading of the cable harnesses can be reliably determined or ruled out within the scope of a test of the cable harnesses that is limited to the protective wire only.
- sensing in the present case in the sense of the ability of the protective wire to make a tensile force effective during assembly that exceeds a specified limit value detectable or visible using, for example, sensors or the like.
- Corresponding sensors can be formed by technical aids such as cameras and the like or simply implemented by the human eye, for example in a visual inspection.
- electrically conductive wire to mean in particular an electrically conductive strand, for example in the form of a single metallic wire, or an electrically conductive single line, for example in the form of a single conductor sheathed for the purpose of insulation.
- the protective wire is formed by an electrically conductive wire of the cable harness or by a retaining cable.
- the protective wire is formed either by an electrically conductive wire that is already present as a functional component of the cable harness for transmitting energy and/or information, whereby the protective wire can be implemented particularly cost-effectively.
- the protective wire can be implemented by a retaining cable that is expediently arranged on the at least one line component of the cable harness in addition to the electrically conductive wires of the cable harness.
- the retaining cable - in contrast to the electrically conductive wires - is not designed as a functional component of the cable harness for transmitting energy and/or information. Nevertheless, it can be designed to be electrically conductive. In other words, attaching a Holding cable or an electrically conductive wire to indicate an overload of the cable harness occurring during assembly.
- the electrically conductive wire forming the protective wire or the retaining cable is designed to sense a tensile force acting on the cable harness during assembly that exceeds a definable limit value by tearing apart the electrically conductive wire forming the protective wire or the retaining cable. This makes it relatively easy to determine a tensile force that has occurred during assembly of a cable harness during a test following assembly, for example during a visual inspection with the eye.
- the electrically conductive wires of the cable harness are arranged in the at least one cable component by means of electrical contacts, such as contact plugs or the like.
- electrical contacts such as contact plugs or the like.
- the electrically conductive wire forming the protective wire or the holding cable is arranged in the at least one cable component by means of an electrical contact, such as a contact plug or the like, and is further configured to sense a tensile force acting on the cable harness during assembly that exceeds a definable limit value, in that the electrical contact by means of which the electrically conductive wire forming the protective wire or the holding cable is arranged in the at least one cable component tears out of or is pulled out of the at least one cable component.
- the electrically conductive wire forming the protective wire or the retaining cable can be designed to sense a tensile force acting on the cable harness during assembly that exceeds a definable limit value, in that the electrically conductive wire forming the protective wire or the retaining cable pulls out of the electrical contact by means of which the electrically conductive wire forming the protective wire or the retaining cable is arranged in the at least one cable component.
- the electrically conductive wire forming the protective wire or the retaining cable can be designed to sense a tensile force acting on the cable harness during assembly that exceeds a definable limit value, in that the electrically conductive wire forming the protective wire or the retaining cable and an electrical contact by means of which the electrically conductive wire forming the protective wire electrically conductive wire or the retaining cable in which at least one line component is arranged, tears out of the same, destroying the at least one line component.
- This can indicate at different points on the cable harness and in different ways that the cable harness was subjected to an unintentionally high load or even an overload during its assembly. Determining whether a cable harness has been overloaded can be done very easily, since the described load indicators can be recognized relatively easily and quickly, for example as part of a visual inspection with the naked eye.
- the electrically conductive wire forming the protective wire or the retaining cable prefferably has a load indicator which is designed to indicate a tensile force acting on the cable harness during assembly which exceeds a definable limit value.
- a corresponding load indicator can be formed by a strain gauge. This can be arranged on the electrically conductive wire forming the protective wire or on the retaining cable.
- the electrically conductive wire forming the protective wire or the holding cable has a geometry that is weaker than the geometry of at least one other electrically conductive wire. This allows the electrically conductive wire forming the protective wire or the holding cable to form a predetermined breaking point. This can fail as planned if a tensile force occurs during assembly on the cable set in order to sense an unintentionally high load or even an overload.
- the electrically conductive wire forming the protective wire and/or electrical contacts by means of which the electrically conductive wire forming the protective wire and the at least one remaining electrically conductive wire are arranged in the at least one line component, and/or the at least one line component is made of a material that has a lower or higher yield point than a material from which the at least one remaining electrically conductive wire is made.
- the protective wire can indicate an overstress of the cable harness during assembly even if the electrically conductive wires and/or the at least one cable component are not obviously damaged. Furthermore, these measures enable the electrically conductive wire forming the protective wire to withstand greater tensile stress if the yield point is high. This means that unintentionally introduced tensile forces can be optimally absorbed on the cable strands and cable components during the automated assembly of corresponding cable harnesses in particular. Damage to the cable harnesses caused by a critical tensile force can therefore be avoided.
- the holding cable and/or electrical contacts by means of which the holding cable and the electrically conductive wires are arranged in the at least one line component, and/or the at least one line component are made of a material that has a lower or higher yield strength than a material from which the electrically conductive wires are made.
- the holding cable can withstand greater tensile stress, so that unintentionally introduced tensile forces can be optimally absorbed on the cable strands and cable components during the automated assembly of corresponding cable sets in particular. This avoids damage to the cable sets caused by a critical tensile force.
- the electrically conductive wire forming the protective wire or the retaining cable is designed to be shorter than the at least one remaining electrically conductive wire or than the electrically conductive wires.
- a tensile force acting on the cable harness exceeds a specified limit value during assembly of the cable set, these are subjected to tensile stress before the at least one remaining electrically conductive wire or the other electrically conductive wires.
- the invention relates in particular to a cable harness comprising a cable harness made of electrically conductive materials for transmitting electrical energy and/or information, at least one line component which can be temporarily fixed in place to a line set laying board device for the purpose of assembling the line set, on which the electrically conductive wires are arranged, and a protective wire arranged on the at least one line component.
- the protective wire is designed to absorb and/or sense a tensile force acting on the line harness during assembly of the line set which exceeds a specified limit value.
- Fig. 1 is a highly simplified perspective view of an exemplary wiring harness temporarily mounted on a wiring harness laying board device for its assembly
- Fig. 2 the arrangement from Fig. 1 in a top view, but unlike Fig. 1, components of the cable harness are subjected to a tensile force,
- Fig. 3 the arrangement from Fig. 1 in a top view, but in contrast to Fig. 1, components of the cable harness are subjected to a tensile force and a protective wire of the cable harness is torn apart,
- Fig. 4 the arrangement from Fig. 1 in a top view, but in contrast to Fig. 1, components of the cable harness are subjected to a tensile force and a protective wire of the cable harness together with the associated electrical contact is torn out of a cable component of the cable harness, whereby the cable component is destroyed, and finally
- Fig. 5 shows the arrangement from Fig. 1 in a top view, but in contrast to Fig. 1, components of the cable harness are subjected to a tensile force and a The protective wire of the cable harness including the associated electrical contact has been unplugged or pulled out of a power component of the cable harness.
- Figures 1 to 5 show preferred embodiments of a cable harness designated as a whole by the reference number 1, which is temporarily fixed to a cable harness laying board device designated as a whole by 6 for its assembly.
- the cable harness 1 has, purely by way of example, a plurality of cable strands 2, each of which is composed of electrically conductive wires 3, 4, 5 designed to transmit electrical energy and/or information.
- the electrically conductive wires 3, 4, 5 are each arranged on cable components 7 of the cable harness 1 by means of an electrically conductive contact element arranged at their free wire ends, which are referred to below as electrical contacts 12, so that a coherent cable tree is produced.
- the electrical contacts 12 are, for example, electrical contact pins or the like.
- the said cable components 7, which can be implemented, for example, by sockets, conductor terminals or the like, are designed in this case such that, for the purpose of assembling the cable harness 1, they can be temporarily fixed to a cable forming board 15 of the conductor harness laying board device 6 by means of holding devices 13 of the conductor harness laying board device 6 for holding cable harnesses 1.
- the cable harness laying board device 6 has a plurality of holding devices 13 for holding cable harnesses 1 and a cable forming board 15 on which the holding devices 13 are arranged.
- the cable forming board 15 and/or the holding devices 13 can therefore, among other things, specify the shape for a cable harness 1.
- inadvertent tensile forces 9 can be applied to the cable components 7 and/or the cable strands 2, in particular when the assembly is carried out manually or automatically. These forces can sometimes be so great that, in particular with relatively thin electrically conductive wires 3, 4, 5 with small Cross-section, individual electrically conductive wires 3, 4, 5 can break off, or even an entire cable harness 2 can break off. This means that the cable harness 1 is either damaged or destroyed.
- the invention proposes to supplement at least one or all of the connected cable strands 2 of the exemplary cable set 1 with a so-called protective wire 8, 10.
- These protective wires 8, 10 are each designed to absorb and/or sense the said tensile forces 9 that may occur during assembly of the cable set 1. According to the embodiments in Fig. 1 to 5, it is essential that the at least one protective wire 8, 10 runs essentially parallel to the electrically conductive wires 3, 4, 5, is arranged on at least one line component 7 and is formed either by one of the electrically conductive wires 3, 4, 5 of a cable set 2 or alternatively by a holding cable 10 additionally installed on the respective cable set 2.
- an electrically conductive wire 3, 4, 5 of a cable harness 2 that is already present for transmitting energy and/or information but is modified or a holding cable 10 installed on the respective cable harness 2 in addition to the electrically conductive wires 3, 4, 5 is used.
- the proposed protective wires 8, 10 open up the possibility of either directly absorbing any tensile forces 9 that may have occurred on the cable strands 2 and/or the cable components 7 during assembly of the cable set 1, thereby preventing damage to the cable set 1 caused by a critical tensile force, or alternatively making a corresponding tensile force 9 visible or detectable if it has exceeded a certain, definable limit value during assembly.
- sensing to mean the ability of the protective wires 8, 10 to sense a tension that may have occurred during assembly. of the cable harnesses 1 to make any tensile force 9 that may occur visible or detectable using, for example, sensors or the like. Such sensors could be implemented using technical aids such as cameras or the like or simply by the human eye.
- Fig. 2 shows the cable set 1 from Fig. 1 in a top view.
- a cable component 7 of the cable set 1 is subjected to a tensile force 9 purely as an example.
- the protective wire 8 of this cable harness 2 is designed here so that it is under tension first if the cable set 2 is stretched too much, like a traction cable.
- the protective wire 8, i.e. the electrically conductive wire 3 forming the protective wire 8 or the holding cable 10, can be designed to be shorter than the other electrically conductive wires 3, 4, 5.
- the protective core 8 i.e. the electrically conductive core 3 forming the protective core 8 or the holding cable 10 is made of a material that has a higher yield strength than a material from which the other electrically conductive cores 3, 4, 5 are made.
- Fig. 3 shows the cable set 1 from Fig. 1 in a top view.
- a cable component 7 of the cable set 1 is subjected to a tensile force 9 purely as an example.
- the protective wire 8 of this cable harness 2 ie the electrically conductive wire 3 forming the protective wire 8 or the holding cable 10, is equipped here with a geometry that is smaller, weakened or reduced compared to a geometry of the other electrically conductive wires 3, 4, 5.
- This can mean in particular that the electrically conductive wire 3 forming the protective wire 8 or the holding cable 10 has or forms a predetermined breaking point.
- This "predetermined breaking point function" of the protective wire 8 can be supported or improved in particular by the protective wire 8, ie the electrically conductive wire 3 forming the protective wire 8 or the holding cable 10, being made of a material that has a lower yield strength than a material from which the other electrically conductive wires 3, 4, 5 are made. it is ensured that the protective wire 8, ie the electrically conductive wire 3 forming the protective wire 8 or the retaining cable 10, tears apart if a tensile force 9 exceeding a definable limit value acts on the cable harness 2 during assembly of the cable set 1.
- the tearing apart of the protective wire 8 indicates, ie senses, that a tensile force 9 exceeding a definable limit value acted on the relevant cable harness 2 during assembly of the cable set 1.
- the cable set 1 can therefore be easily sorted out, for example.
- Fig. 4 shows the cable harness 1 from Fig. 1 in a top view.
- a cable component 7 of the cable harness 1 is subjected to a tensile force 9 purely as an example.
- the protective wire 8 of this cable harness 2 i.e. the electrically conductive wire 3 forming the protective wire 8 or the holding cable 10
- the cable components 7 of the cable harness 1 are designed here in such a way that the protective wire 8 together with the associated electrical contact 12 is torn out of the cable component 7 if the tensile force 9 exceeds a definable limit value when assembling the cable harness 1.
- the cable component 7 in question is visibly destroyed, which enables, for example, the damaged cable harness 1 to be easily sorted out.
- Fig. 5 shows the cable harness 1 from Fig. 1 in a top view.
- a cable component 7 of the cable harness 1 is subjected to a tensile force 9 purely as an example.
- several electrically conductive wires 3, 4, 5 of the lower cable harness 2 are placed under tensile stress and deflected slightly.
- the protective wire 8 of this cable harness 2 i.e.
- the cable components 7 of the cable harness 2 and the electrical contacts 12 are designed here in such a way that the protective wire 8 together with the associated electrical contact 12 is unplugged or pulled out of the power component 7 as soon as the tensile force 9 exceeds a definable limit value when assembling the cable harness 1. This is also easy to recognize, so that the cable harness 1 in question can simply be sorted out, for example.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022004509.5A DE102022004509B3 (de) | 2022-12-02 | 2022-12-02 | Leitungssatz |
| PCT/EP2023/082266 WO2024115145A1 (de) | 2022-12-02 | 2023-11-17 | Leitungssatz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4453973A1 true EP4453973A1 (de) | 2024-10-30 |
Family
ID=88863514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23809202.7A Pending EP4453973A1 (de) | 2022-12-02 | 2023-11-17 | Leitungssatz |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4453973A1 (de) |
| DE (1) | DE102022004509B3 (de) |
| WO (1) | WO2024115145A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2063494B (en) | 1979-11-10 | 1983-11-23 | Salter & Co Ltd G | Load sensing means for ropes and cables |
| JP2017098092A (ja) | 2015-11-25 | 2017-06-01 | 住友電装株式会社 | ワイヤーハーネス製造支援装置及びコネクタバー |
| US10563970B2 (en) * | 2018-03-30 | 2020-02-18 | International Business Machines Corporation | Smart cable enclosure incorporating mechanical strain, measurement, storage, transmission and interpretation |
| DE102018115557B3 (de) * | 2018-06-28 | 2019-07-04 | Kromberg & Schubert Gmbh & Co. Kg | Automatisierte Leitungsverlegung für Leitungssätze elektrischer Systeme mittels zweier kraftgeregelter Roboter |
| JP7339042B2 (ja) | 2019-07-16 | 2023-09-05 | 矢崎総業株式会社 | 差動伝送ケーブル及びワイヤーハーネス |
| CN110767381B (zh) * | 2019-11-14 | 2021-08-24 | 上海应用技术大学 | 一种线束自动包覆设备的控制方法 |
| KR102278052B1 (ko) * | 2021-03-10 | 2021-07-15 | 케이원텍 주식회사 | 복합 하네스 |
| CN113937590A (zh) | 2021-09-06 | 2022-01-14 | 汇铂斯电子技术(苏州)有限公司 | 一种新能源汽车电池线束生产工艺 |
-
2022
- 2022-12-02 DE DE102022004509.5A patent/DE102022004509B3/de active Active
-
2023
- 2023-11-17 EP EP23809202.7A patent/EP4453973A1/de active Pending
- 2023-11-17 WO PCT/EP2023/082266 patent/WO2024115145A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022004509B3 (de) | 2024-03-28 |
| WO2024115145A1 (de) | 2024-06-06 |
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