EP2135263B1 - Câble - Google Patents

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Publication number
EP2135263B1
EP2135263B1 EP08716729.2A EP08716729A EP2135263B1 EP 2135263 B1 EP2135263 B1 EP 2135263B1 EP 08716729 A EP08716729 A EP 08716729A EP 2135263 B1 EP2135263 B1 EP 2135263B1
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EP
European Patent Office
Prior art keywords
cable
information carrier
information
strand
carrier unit
Prior art date
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Active
Application number
EP08716729.2A
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German (de)
English (en)
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EP2135263A1 (fr
Inventor
Siegbert Lapp
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Lapp Engineering AG
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Lapp Engineering AG
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Publication date
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Publication of EP2135263A1 publication Critical patent/EP2135263A1/fr
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    • 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
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/366—Insulated conductors or cables characterised by their form with distinguishing or length marks being a tape, thread or wire extending the full length of the conductor or cable
    • 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
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/368—Insulated conductors or cables characterised by their form with distinguishing or length marks being a sleeve, ferrule, tag, clip, label or short length strip

Definitions

  • the invention relates to a cable according to the preamble of claim 1 comprising an inner cable body in which extends at least one conductor strand of an optical and / or electrical conductor in the cable longitudinal direction, a cable jacket enclosing the inner cable body, which lies between a cable outer surface and the inner cable body, and at least one within the cable outer surface arranged information carrier unit.
  • Cables with an information carrier unit are known from the prior art. Such a cable is in the document US 2004/0184747 A1 disclosed. However, in the known solutions is not specified in detail how the information carrier unit can be arranged in the cable to process the cable optimally and inexpensively to produce and on the other hand to be able to set suitable locations for the information carrier unit.
  • the invention is therefore an object of the invention to improve a cable of the generic type with respect to its structure such that the information carrier unit is reliably arranged with ease of manufacture at appropriate locations in the cable.
  • This object is achieved according to the invention in a cable of the type described above by the features of claim 1. Further embodiments of the invention are the subject of the dependent claims.
  • the advantage of the solution according to the invention is to be seen in that the carrier strand provides an optimal possibility to optimally position the information carrier unit in the cable, and thus in particular also allows a cost-effective and simple production of the cable. Furthermore, with the solution according to the invention also created a way to improve the readability and findability on the defined positioning of the information carrier unit, as a possibility of the defined arrangement of the information carrier unit was created by the inventive solution, which allows to use information carrier units, the for example, can be read over short ranges. By specifying that the information carrier unit should be readable by electromagnetic field coupling, it should be understood that the read-out of the information carrier unit should be possible both in the LF frequency range, as well as in the RF frequency range or in the UHF frequency range. With regard to the arrangement of the carrier strand in the cable, no details have been given so far.
  • Another embodiment provides that the carrier strand runs around the at least one conductor strand of the inner cable body.
  • Such a looping course can be realized in various ways.
  • the solution provides that the carrier strand is formed as the cable inner body wrapping and thus spirally surrounds the inner cable body, the orientation of the carrier strand in this case can be completely independent of a stranding of the conductor strand. It is therefore conceivable that the carrier strand runs approximately in the same direction or in opposite directions to a stranding direction of the conductor strands. In approximately parallel and co-directional course can be stranded together with the conductor strand, for example, in the manufacture of the cable, the carrier strand. In this case, the carrier strand may be a carrier strand independent of the inner cable body.
  • the carrier strand can be arranged in different ways relative to the cable inner body.
  • the carrier strand lies directly on the cable inner body.
  • the carrier strand is at least part of a separating layer between the cable inner body and the cable sheath.
  • the carrier strand in the cable acts symmetry neutral. This means that there is no disturbance of the mechanical symmetry of the forces occurring during bending of the cable, which would be the case, for example, if the carrier strand would make it difficult or easier for the cable to bend in one direction in relation to other directions.
  • the carrier strand is located on a separating layer between the cable inner body and the cable sheath.
  • the information carrier unit can be arranged relative to the carrier strand in different ways.
  • One possibility of arranging the information carrier unit is that the information carrier unit is arranged on a side of the carrier strand facing the cable inner body. For example, this is conceivable if either the information carrier unit lies directly on the cable inner body or the carrier strand lies on the separating layer, so that then the information carrier unit is arranged between the carrier strand and the separating layer.
  • the information carrier unit is arranged on a side facing away from the cable inner body of the carrier strand.
  • the information carrier unit can be covered, for example, by the separating layer.
  • the information carrier unit is covered directly by the cable sheath.
  • the information carrier unit is embedded in the carrier strand.
  • the information carrier unit is arranged so that no disturbance of the relative movement of separating layer and inner cable body, in particular by changing friction between them, to avoid flexible and highly flexible cables, for example, the formation of a twist of inner cable body and cable sheath ,
  • This can be achieved, for example, by the fact that the information carrier unit rests on the inner side of the cable with a side which does not hinder sliding on the inner side of the cable or because the carrier strand itself rests on it with a side which does not hinder sliding on the inner side of the cable and the information carrier unit rests on the latter Cable inner body facing away from the carrier strand is located.
  • the information carrier unit comprises a base.
  • an integrated circuit of the information carrier unit is arranged on the base.
  • a line acting as an antenna is arranged on the base.
  • the antenna can be made of printed conductors produced by a paint applied to the base.
  • An embodiment in which the antenna is applied to the base by a printing process is particularly favorable.
  • the base is a rigid body.
  • the base may for example be a plate or at least part of a Einbett stressess, in which the integrated circuit and the line for the antenna are at least partially embedded.
  • the base is at least part of a embedded body enclosing the integrated circuit and the antenna.
  • the embedding body may, for example, be in the form of a lens, a half-lens or a cylinder.
  • the base is made of a bendable material.
  • Such a bendable material could for example be a resiliently flexible material.
  • the bendable material is tensile in at least one direction.
  • the base is fixed to the carrier strand.
  • the base is fixed on at least one connection point on the support strand.
  • Such a solution does not require full-surface bonding of the base to the carrier strand, but it is sufficient, for example, a partial or sectional bonding of the base to the carrier strand.
  • the at least one connection point is a splice.
  • the carrier strand forms the base with a section.
  • an advantageous embodiment provides that one information carrier unit is arranged per cable.
  • this has the disadvantage that then there is the problem with the reader to find the one information carrier unit of the cable to read the information stored in this. For this reason, it is advantageously provided that a plurality of information carrier units are arranged on the carrier strand.
  • the information carrier units are arranged in the longitudinal direction of the cable in a defined spacing grid.
  • the defined spacing grid could also specify variable distances, for example, at the ends of the cable smaller distances, which increase towards the center.
  • the defined spacing grid for the information carrier units specifies a uniform distance between the information carrier units in the longitudinal direction of the cable.
  • the information carrier units in the longitudinal direction of the cable have a read / write range, which depends on the frequency at which they are operated and also how the antenna is formed.
  • the information carrier units are arranged relative to each other in the spacing grid so that the distances between the information carrier units at least a 2-fold correspond to a read / write range of the information carrier units in the direction of the nearest information carrier unit.
  • the distances correspond to at least 2.5 times the read / write range of the information carrier units in the direction of the closest information carrier unit.
  • the information carrier unit has at least one memory for the readable information.
  • Such a memory could be designed in various ways.
  • the memory could be designed so that the information stored in this memory is overwritten by the reader.
  • a particularly advantageous solution provides that the memory has a memory field in which information written once is stored in read-only memory.
  • Such a memory field is suitable for storing, for example, an identification code for the information carrier unit or other data specific to this information carrier unit, which are no longer changeable by any of the users.
  • such a memory field is also suitable for the cable manufacturer to store information that should not be overwritten.
  • these are cable data, cable specifications or information on the type and usability of the cable.
  • this data may also be supplemented, for example, by data that includes information about the manufacture of this particular cable or data that represents measurement protocols from a final test of the cable.
  • a memory may be further designed to have a memory array in which information is stored in read only fashion by an access code.
  • a read-only storage of information may include, for example, data that can be stored by a user.
  • a user in the memory array after assembling the cable could store data about the assembly of the cable or about the total length of the cable or about the respective lengths of the cable, the user being provided an access code by the cable manufacturer for this data in store the memory field.
  • the memory has a memory field which is freely writable with information.
  • Such a memory array can record, for example, information that should be stored by the cable user in the cable, for example, the nature of the installation or the packaging of the same.
  • each of the information carrier units carries a different length specification, so that by reading the length of an information carrier unit whose distance to one of the ends of the cable or to both ends of the cable can be determined.
  • each of the information carrier units is individually addressable by an access code.
  • the information carrier units it has only been assumed that they carry information which was stored either before or during the production of the cable or when the cable was used in the information carrier units by external read / write devices.
  • a further exemplary solution of a cable provides that the at least one information carrier unit of the cable acquires measured values of an assigned sensor, that is to say that the information carrier unit not only stores external information and then makes it available again, but is capable of itself information of the cable , that is physical state variables of the cable, detected.
  • the sensor detects at least one of the state variables such as physical radiation, temperature, tension, pressure, strain or moisture.
  • Another exemplary solution provides that shear stresses in the cable can be detected with the sensor.
  • the information carrier unit reads the measured value in the activated state.
  • the information carrier unit does not have its own power supply, but must be activated by an external power supply.
  • One possibility of such activation is that the information carrier unit can be activated by a reading device.
  • the information carrier unit can be activated by an electromagnetic field of a current flowing through the cable.
  • an electromagnetic field can be achieved, for example, by the fact that a current flows through the cable to supply devices that build up the electromagnetic field.
  • conductor strands in the cable which generate an electromagnetic field for supplying energy to the at least one information carrier unit or the multiplicity of information carrier units.
  • the information carrier unit stores the measured values in a memory field of the memory.
  • the information carrier unit in the memory field stores a measured value only if this one Threshold exceeds.
  • the information carrier unit constantly records the measured values, but the information carrier unit is given a threshold value from which the measured values are stored, so that normal states are not stored, but only the measured values which are defined by the threshold value are stored Normal state does not correspond.
  • these measured values are then stored as mere measured values, in somewhat more complex cases as measured values with an indication of the time at which they were recorded, or with other circumstances in which these measured values were recorded.
  • an exemplary solution provides that the information carrier unit only stores measured values in the memory field which lie outside a statistically determined normal measured value distribution. With regard to the areas in which the state variables are determined by means of the sensor, so far no further details have been given.
  • an exemplary solution provides that the sensor detects at least one state variable of the cable inner body.
  • Another exemplary solution provides that the sensor detects at least one state variable of the cable sheath.
  • a further exemplary solution provides that the sensor detects at least one state variable between the cable inner body and the cable sheath.
  • both a sensor for state variables of the cable inner body and a sensor for state variables of the cable sheath are provided. With regard to the type and design of the sensor so far no further details have been made.
  • an exemplary solution provides that the sensor is an irreversibly reacting to the state variable to be detected sensor.
  • a sensor has the advantage that it reacts irreversibly when the state quantity occurs, so that it is not necessary for the sensor and in particular the information carrier unit at the time of occurrence of the state variable to be detected or the occurrence of the deviation of the state variable to be detected is active. Rather, at all later times, the sensor is capable of generating a measurement that corresponds to the state quantity that has been reached at some point in the past.
  • the sensor is a reversibly reacting sensor with regard to the state variable to be detected.
  • the cable sheath may be an opaque, in particular fillers exhibiting cable sheath.
  • an advantageous solution provides that the cable sheath comprises a transparent material in the visible spectral range, so that the cable sheath, due to its transparency, opens the possibility of optically checking the location of the information carrier unit in the cable longitudinal direction Determine cable.
  • Another way to be able to detect the location of the information carrier unit simple and reliable for a user provides that the cable sheath carries a label and that the label is arranged in a defined relation to the location of the information carrier unit, so that opens up the possibility by the label to easily find the location of the information carrier unit.
  • FIG Fig. 1 An example of an information carrier unit 10 to be used, shown in FIG Fig. 1 , comprises a processor 12, to which a memory designated as a whole by 14 is coupled, wherein the memory is preferably designed as an EEPROM. Furthermore, an analog part 16, which interacts with an antenna unit 18, is coupled to the processor 12. In the case of electromagnetic coupling of the antenna unit 18 to a reader denoted as a whole by means of an electronic part 16, the analog part 16 is capable of generating the necessary electrical current for the operation of the processor 12 and of the memory 14 and of the analog part 16 itself on the other hand, to provide the information signals transmitted by electromagnetic field coupling at a carrier frequency to the processor 12 or to transmit information signals generated by the processor 12 via the antenna unit 18 to the reader 20. The most diverse carrier frequency ranges are possible. In an LF frequency range of about 125 to about 135 kHz, the antenna unit 18 acts essentially as a second coil of a transformer formed by the antenna unit 18 and the reader 20, the energy and information transmission being substantially via the magnetic field.
  • the range between the reader 20 and the antenna unit 18 is low, that is, for example, the mobile reader 20 must be brought very close, to less than 10 cm, to the antenna unit 18.
  • the antenna unit 18 also acts substantially as a coil, still good energy transfer at a sufficiently long range in the interaction between the antenna unit 18 and the reader 20 is possible, the distance for example, less than 20 cm.
  • the antenna unit 18 is designed as a dipole antenna, so that when not using the mobile reader 20 power supply of the information carrier unit 10, a long range in communication with the reader 20, for example, up to 3 m can be realized, the interaction between the Reader 20 and the antenna unit 18 via electromagnetic fields.
  • the carrier frequencies are about 850 to about 950 MHz, or about 2 to about 3 GHz, or about 5 to about 6 GHz.
  • the range in communication is up to 20 cm.
  • the antenna units 18 are formed differently.
  • the antenna unit 18 is formed as a compact, for example, wound coil with an extension, which may also be less than one square centimeter.
  • the antenna unit 18 is also formed as a sheet-like coil, which may also have a larger dimension in the dimension of several square centimeters.
  • the antenna unit 18 is designed as a dipole antenna of very different characteristics.
  • the memory 14 cooperating with the processor 12 is preferably divided into a plurality of memory fields 22 to 28, which can be written in different ways.
  • the memory field 22 is provided as a memory field which can be written by the manufacturer and carries, for example, an identification code for the information carrier unit 10. This identification code is written in the memory field 22 by the manufacturer, and at the same time the memory field 22 is provided with a write inhibit.
  • the memory array 24 can be provided, for example, with a write lock that can be activated by the cable manufacturer, so that the cable manufacturer has the option of describing the memory array 24 and of securing the information in the memory array 24 by means of a write lock.
  • the processor 12 has the ability to read out and output the existing information in the memory array 24, but the information in the memory array 24 can not be overwritten by third parties.
  • the information stored in the memory array 24 is information about the type, type of cable and / or technical specifications of the cable.
  • information is stored by the buyer of the cable and provided with a write protection.
  • the buyer and user of the cable stores information about the installation and use of the cable and secured by the write lock.
  • information is freely writable and freely readable, so that this memory array can be used during use of the information carrier unit in conjunction with a cable for storing and reading information.
  • This in Fig. 1 illustrated example of the information carrier unit 10 is a so-called passive information carrier unit and thus requires no energy storage, in particular no accumulator or no battery to interact with the reader 20 and to be able to exchange information.
  • FIG Fig. 2 In a second example of an information carrier unit 10 ', shown in FIG Fig. 2 , those elements which are identical to those of the first example are given the same reference numerals, so that the description of the same may be made in its entirety by reference to the first example.
  • the processor 12 is associated with a sensor 30 with which the processor 12 is able to detect and, for example, corresponding to physical quantities of the cable, such as radiation, pressure, temperature, tension or moisture Store values in the memory array 28.
  • the sensor 30 can be designed depending on the field of use.
  • the senor 30 for measuring a pressure as a pressure-sensitive layer, the pressure sensitivity being able to be measured capacitively, for example by means of a resistance measurement or in the case of a multilayered layer.
  • the senor as a temperature sensor to form the sensor as a resistor variable with the temperature, so that a temperature measurement is possible by a resistance measurement.
  • the senor When forming the sensor as a tensile or strain sensor, the sensor is designed, for example, as a strain gauge, which changes its electrical resistance depending on the strain.
  • the senor is designed to be irreversibly sensitive to a specific strain or to a particular train
  • the tension measurement or the strain measurement could also be realized by a capacitive measurement if necessary.
  • the senor is preferably formed as a multi-layered layer structure, which changes its electrical resistance or its capacity depending on the humidity.
  • the second example works according to Fig. 2 in the same way as the first example.
  • the analog part 16 is assigned an antenna unit 18 "which has a two-part effect, namely for example an antenna part 18a which communicates with the reading device 20 in a known manner and an antenna part 18b which by induction is capable of coupling to an alternating magnetic field 32 and to deprive this energy to operate with this extracted from the alternating magnetic field 32 energy, the information carrier unit 10 "independent of the reader 20.
  • the alternating electromagnetic field 32 can be generated by the stray field of an AC line, which is connected, for example, to a 50 Hz AC voltage source.
  • the information carrier unit 10 "can be activated by switching on the electromagnetic alternating field 31 so that physical state variables can be measured by the sensor 30 and detected by the processor 12 and stored, for example, in the memory field 28, independently of the question as to whether the reading device 20 the antenna unit 18 is coupled or not.
  • the alternating electromagnetic field 31 can be generated by the stray field of a data line, a control line, a pulsed power line or an AC line, which is connected, for example, to a 50 Hz or higher frequency AC power source. This makes it possible, regardless of whether the reading device 20 is to be read or read information, to supply the information carrier unit 10 with energy as long as the alternating field 31 is present.
  • the frequency of the alternating field 31 and a resonant frequency of the antenna part 18b can be adapted to each other so that the antenna part 18b is operated in resonance and thus allows an optimal energy input from the alternating field 31.
  • the information carrier unit 10 can be activated by switching on the alternating electromagnetic field 31 so that physical state variables can be measured by the sensor 30 and detected by the processor 12 and stored, for example, in the memory field 28, regardless of the question whether the reading device 20 with the Antenna unit 18 is coupled or not.
  • a first, in Fig. 4 illustrated embodiment of a cable 40 includes an inner cable body 42, in which run a plurality of electrical conductor strands 44, wherein the electrical conductor strands 44, for example, each have a core 46 of an electrical conductor, which is insulated.
  • the electrical conductor strands 44 are preferably stranded together about a longitudinal axis 48, that is, they are disposed about the longitudinal axis 48 around and extend at an angle to a parallel to the longitudinal axis 48, which intersects the respective conductor strand 44.
  • the inner cable body 42 is enclosed by a separating layer 52 which separates the inner cable body 42 from a cable sheath 62, which encloses the inner cable body 42 and forms a cable outer surface 64.
  • the separating layer 52 is formed by a band 54 which is wound around the cable inner body 42, with a slope which is different from that of the stranded conductor strands 44.
  • the tape 54 is, for example, a nonwoven tape that is wrapped around the inner cable body 42, either non-overlapping or overlapping, upon manufacture of the cable 40 prior to extruding the cable jacket 62, and, as in FIG Fig. 5 represented, on its the cable inner body 42 side facing the information carrier unit 10 carries, which is arranged on a base 70.
  • a base 70 thereof extends in a longitudinal direction 71 and carries an integrated circuit 72 comprising the processor 12, the memory 14 and the analogue part 16, as well as tracks 74 provided on the base 70, which the antenna unit 18 form.
  • the printed conductors 74 can be applied to the base 70 by means of any shape-selective coating processes, for example in the form of printing a conductive lacquer or a conductive paste.
  • the base 70 is, for example, a bendable, especially flimsy material, for example, a plastic tape on which on the one hand, the conductor 74 by coating easily and permanently applied and on the other hand, the integrated circuit 72 is easy to fix, in particular so that in large extent a permanent electrical connection between external connection points 76 of the integrated circuit 72 and the conductor tracks 74 can be realized.
  • a bendable, especially flimsy material for example, a plastic tape on which on the one hand, the conductor 74 by coating easily and permanently applied and on the other hand, the integrated circuit 72 is easy to fix, in particular so that in large extent a permanent electrical connection between external connection points 76 of the integrated circuit 72 and the conductor tracks 74 can be realized.
  • the base 70 is arranged so that it faces the cable inner body 42, in particular the conductor strands 44, so that the integrated circuit 72 and the conductor tracks 74 facing the band 54 and thus are arranged between the band 54 and the base 70 protected in order to avoid damage to the conductor track 74, in particular in the region of the outer connection points 76, during the cable production.
  • the base 70 rests on the cable inner body 42 with a surface which does not hinder sliding on the inner cable body 42 and thus does not disturb the friction conditions between the inner cable body and the separating layer 52 fixedly connected to the cable sheath 62.
  • the base 70 is adhesively bonded to the tape 54 by an adhesive, prior to wrapping the cable body 42 through the tape 54, so that when wrapping the cable inner body 42 with the tape 54 also defines the information carrier unit 10 in the cable in a simple manner can be introduced and integrated.
  • the band 54 substantially covers the inner cable body 42 so that it effects a mechanical separation of the inner cable body 42 and the cable sheath 62 and essentially defines the friction conditions for the inner cable body 42 moving relative to the belt 54 during bending of the cable 40.
  • the information carrier unit 10 still the sensor 30, for example, a radiation sensor for all types of physical radiation, a Temperature sensor, a tensile or strain sensor or a moisture sensor may be formed over a large area as a layer 32 and disposed on the base 70 adjacent to the antenna unit 18, as in Fig. 7 shown.
  • the senor 30 is formed as a multilayer layer structure 34 and can thus be operated as a capacitive sensor 30 in space-saving design.
  • moisture, temperature or pressure due to the state-dependent capacity can be detected in a simple manner.
  • Such a sensor 30 may be easily contacted by the integrated circuit or formed as part thereof.
  • the base 70 is formed as a flat material, it is advantageous if it is formed with edge regions which are dull for its surroundings in order to avoid damage to the surroundings of the base 70 in the cable 40 when the cable is moved.
  • edge regions which are dull for its surroundings in order to avoid damage to the surroundings of the base 70 in the cable 40 when the cable is moved.
  • the senor 30 is designed as a strain gauge 36, which is arranged in this embodiment on a base 70 connected to the substrate 37, which is stretchable in a longitudinal direction 38 of the strain gauge 36.
  • the base 37 together with the strain gauges 36 can be advantageously fixed in this embodiment to the part to be measured or embed in this, so that the elongation of this part or the environment of Pad 37 is transferred to the substrate 37 and thus the pad 37 unadulterated absorb the strain of their environment and can transmit to the strain gauge 36.
  • the longitudinal direction 38 extends in this embodiment, for example, transversely to the direction 71, which is a longitudinal direction of the base 70, but may also be parallel to this. In the case of this information carrier unit 10 ", if the expansion strip 36 is firmly connected to a component of the cable to be stretched, strains in the longitudinal direction 38 of the strain gauge 36 can be measured and detected by the processor 12 on the integrated circuit 72.
  • the strain gauge 36 is according to FIG Fig. 9 , in particular together with the base 37 fixedly fixed to the belt 54, wherein the longitudinal direction 71 of the base 70 is approximately parallel to the longitudinal direction 56 of the belt 54, so that with the strain gauge 36 train or strains, for example transversely to the longitudinal direction 56 of the belt 54 can be detected ,
  • the strains of the belt 54 are then representative of the stress on the cable 40 during bending and can be detected in this embodiment by the processor 12, optionally stored, and read out via the reading device 20.
  • Strain gauge 36 may be either of a tensile or elongated material forming a crack, so that its electrical resistance increases irreversibly when a threshold value of tension or strain is exceeded, for example becomes very large.
  • the strain gauge 36 may also be made of a reversibly changing its resistance with the occurring train or the strain occurring material.
  • the base 37 is fixed, for example by gluing, with one end on the inner cable body 42 and one upper side of the respective upper surface facing away from the lower surface 37
  • Strain gauge strip 36 fixed with the opposite end in the longitudinal direction 38 on the belt 54, wherein in the finished cable 40 is an intimate connection between the belt 54 and the extruded on this cable sheath 62, so that with the strain gages 36 then relative movements between the cable inner body 42 and the cable sheath 62 can be detected with the relative to this fixed band 54.
  • FIG. 10 and 11 In a second embodiment of a cable 40 'according to the invention, shown in FIG Fig. 10 and 11 , The base 70 is disposed on a side facing away from the cable inner body 42 of the band covering this encompassing 54, in such a way that the integrated circuit 72 with the tracks 74 is also located between the base 70 and the band 54 and thus protected on both sides.
  • the information carrier unit 10 with the wrapping of the cable inner body 42 in the manufacture of the cable 40 'defined in this bring, the information carrier unit 10 is embedded in the cable sheath 62 and thus fixed together with the separating layer 52 on the cable sheath 62, so that in flexible and highly flexible cables no interference of the friction between the inner cable body 42 and the separating layer 52 by the information carrier unit 10 can take place.
  • the information carrier unit 10 according to the first and second embodiments of the cable according to the invention is designed, for example, as an information carrier unit 10 which operates in the HF or UHF frequency range, that is, has an antenna unit 18 whose extension is, for example, several square centimeters.
  • FIG Fig. 10 and 11 is characterized in that the base 70 is disposed on the side facing away from the cable inner body 42 of the separating layer 52, given the opportunity to visually recognize the base 70 of the information carrier unit 10 when the cable sheath 62 is made of a transparent material in the visible range.
  • a solution is in Fig. 12 shown, with a plurality of information carrier units 10 are arranged at uniform intervals A in the longitudinal direction 50 of the cable 40 'successively, so that the information carrier units 10 in a defined geometrical pitch, namely with the distance A, over the entire length of the cable 40' successive.
  • the information carrier units 10 in a defined geometrical pitch, namely with the distance A, over the entire length of the cable 40' successive.
  • the memory field 26 with information about the position of the respective information carrier unit 10, for example, the distance from the two ends of the cable 40 'writable by the user.
  • the position of the respective information carrier units 10 can already be recognized from the outside in the visible spectral region of the cable sheath 62, and can approach the reader 20 in a defined manner; to read the information from the respective information carrier units 10.
  • the cable sheath 62 on the cable outer surface 64 carries a label 80, which additionally has a labeling gap 82, wherein the height of the labeling gap 82, the information carrier unit 10 in the cable 40 ' is.
  • each position of an information carrier unit 10 the label 80 associated with the labeling gap 82 so as to facilitate finding the information carrier unit 10.
  • a read / write range R of the information carrier units is further selected so that the write / read range R of the individual information carrier units 10 in the longitudinal direction 50 of the cable 40 does not overlap, but sufficient spaces between the respective write / read ranges R exist in that each of the information carrier units 10 can be individually approached and read by the reading device 20.
  • the distance A of the information carrier units 10 is at least twice the read / write range R of the information carrier units 10, even better are larger distances, for example at least 2.5 times the read / write range R.
  • the course of the band 54 forming the separating layer 52 is selected such that it runs essentially parallel to the conductor strands 44 stranded with one another, so that the information carrier unit 10, in particular the base 70 thereof, likewise has its longitudinal direction 71 approximately parallel to the course of stranded together about the longitudinal axis 48 conductor strands 44 extends.
  • this third exemplary embodiment of the cable 40 "according to the invention corresponds to the extent to which the same parts are provided with the same reference numerals, the second and the first exemplary embodiment, so that reference can be made to the full content of the explanations here.
  • Fig. 14 illustrated fourth embodiment of a cable 40 "according to the invention” runs the tape 54 in opposite directions to the stranded about the longitudinal axis 48 conductor strands 44, so that the longitudinal direction 71 of the base 70 and the conductor strands 44 obliquely or transversely to each other.
  • the separating layer 52 is formed by a so-called supplemental tape 54 which substantially encloses the inner cable body 42 in a circumferential direction 53 and has longitudinal edges 55a, 55b which substantially abut one another or extend slightly apart or even overlap one another, so that essentially one complete enclosure of the cable inner body 42 is ensured.
  • the supplemental tape carries the information carrier unit 10, which extends with the longitudinal direction 71 of the base 70 approximately parallel to the longitudinal direction 50 of the cable 40 "", wherein the base 70 in the circumferential direction 53 in Essentially clings to the attachment tape 54 '.
  • the information carrier unit 10 is preferably located on a side facing away from the cable inner body 42 of the separating layer 52 and is embedded in the material of the cable sheath 62 during extrusion of the same together with the separating layer 52.
  • the information carrier unit 10 is produced as a disc-shaped round structure which is held on a carrier tape 54 which rests on a side of the separating layer 52 facing away from the cable inner body 42 and parallel to the longitudinal direction 50 of the cable 40 ""'extends over its entire length, wherein the carrier tape 54 is provided at defined intervals with a disk-shaped information carrier unit 10.
  • This information carrier unit 10 has, as in Fig.
  • the integrated circuit 72 which is also connected to the antenna unit 18 forming tracks 74, wherein the tracks 74, for example, annular coil windings 78 for an antenna in the RF frequency range form and both the tracks 74 and the integrated circuit 72 in an embedding mass 90 forming the base 70 ', for example of resin or plastic material, is embedded.
  • the information carrier unit 10 in this case is a disc-like rigid body with rounded edge portions, which is introduced in the manufacture of the cable 40 in this by supplying the carrier tape 54 and positioned at defined intervals within the cable 40.
  • the information carrier unit 10 is also possible to form the information carrier unit 10 as a lens-like or half-lens-like body. With such a design, damage to an environment in the cable when bending the cable is avoidable.
  • the carrier tape 54 To receive the base 70 'while the carrier tape 54 is provided with cultivatedverbreiterten areas 57, to which the respective base 70' of the corresponding information carrier unit is glued, with the area widened areas 57 narrow areas 58 of the carrier tape 54 follow, each extending between the area Areas 57 extend.
  • the carrier tape 54 with the separator layer 52 regardless of how it is applied to the cable inner body 42, placed, wherein such a laying of the carrier tape 54 similar to attaching a Beilaufbandes the cable with Help a mold is done.
  • the information carrier unit 10 can be seen through the cable sheath 62, if the cable sheath 62 is formed in the visible spectral range of a transparent material, so that through the cable sheath 62 through sitting on the cable inner body 42 Einbett stresses 90 of the information carrier unit can be detected, if this embedding body 90 differs in color from the separating layer 52, on which it is arranged, as in FIG Fig. 19 shown.
  • a label 80 with, for example, a labeling gap 82 may additionally be provided.
  • the label 80 for example, to be arranged so that in each case by the beginning of the label 80 or the end thereof or by a label element, the position is indicated, at which the information carrier unit 10 in the longitudinal direction 50 of the cable 40 can be found ,
  • thin wires 79 which form the antenna unit 18, which is preferably formed in the UHF frequency range as a dipole antenna, so that on either side of the integrated circuit 72 only a single wire 79, which is also embedded as the integrated circuit 72 in the gore cord 94, as in Fig. 21 shown.
  • the gusset cord 94 forms in the exemplary solution, the carrier strand in which the information carrier unit 10 "is arranged and through which the information carrier unit 10" in the cable 40 """ can be introduced, namely simply by the gusset cord 94 is stranded with the electrical conductor strands 44 together in a known manner to the cable inner body 42. Even when introducing the information carrier unit 10 "into the gusset cord 94, it is possible to provide the information carrier units 10" at defined distances A along the gusset cord 94, which in turn results in a defined arrangement of the information carrier units 10 "at defined distances in the longitudinal direction 50 of the cable 40""” is possible.
  • the information carrier unit 10 is operable in the UHF frequency range, since the antenna unit 18 is preferably formed as a dipole. It exists alternatively, as in Fig. 22 The possibility also exists of forming the antenna unit 18 as an elongate coil 96 and of embedding it in a protective sleeve 98, wherein the information carrier unit 10 "'is operable in the LF frequency range. Even with the provision of the information carrier units 10 "or 10"'in the gusset cords 94, it is possible to facilitate finding them at the respective locations in the longitudinal direction 50 of the respective cable 40 "', in each of which the location of the respective information carrier unit 10" or 10 is set in correlation with the label 80 on the cable outer surface 64.

Landscapes

  • Insulated Conductors (AREA)

Claims (13)

  1. Câble (40) comprenant un corps intérieur de câble (42), dans lequel s'étend au moins un cordon conducteur (44) d'un conducteur optique et/ou électrique dans le sens longitudinal de câble (50), une gaine de câble (62) entourant le corps intérieur de câble (42), laquelle se situe entre une surface extérieure de câble (64) et le corps intérieur de câble (42),
    un cordon de support (54, 56, 94) s'étendant sur la longueur du corps intérieur de câble (42) et associé à ce dernier, au niveau duquel est disposée au moins une unité de support d'information (10) disposée à l'intérieur de la surface extérieure de câble (64) et pouvant être lue par un couplage de champ électromagnétique et qui est recouvert par la gaine de câble (62),
    caractérisé en ce que le cordon de support (54) est réalisé de manière à envelopper et à entourer en couvrant la surface le corps intérieur de câble (42), et ainsi la symétrie mécanique des forces se formant lors du cintrage du câble est réalisée sans être gênante.
  2. Câble selon la revendication 1, caractérisé en ce que le cordon de support (54, 94) s'étend en entortillant l'au moins un cordon conducteur (44) du corps intérieur de câble (42).
  3. Câble selon l'une quelconque des revendications précédentes, caractérisé en ce que le cordon de support (54) fait au moins partie d'une couche de séparation (52) entre le corps intérieur de câble et la gaine de câble (62).
  4. Câble selon la revendication 3, caractérisé en ce que le cordon de support (54) est une bande de non-tissé enroulée en couvrant la surface autour du corps intérieur de câble (42).
  5. Câble selon l'une quelconque des revendications précédentes 1 ou 2, caractérisé en ce que le cordon de support (56) se situe sur une couche de séparation (52) entre le corps intérieur de câble (42) et la gaine de câble (62).
  6. Câble selon la revendication 5, caractérisé en ce qu'une pluralité d'unités de support d'information (10) est disposée au niveau du cordon de support (54, 56), que la pluralité d'unités de support d'information (10) est disposée dans le sens longitudinal (50) du câble (40) selon une trame d'espacement définie, et que la trame d'espacement définie pour les unités de support d'information (10) spécifie un espacement (A) homogène entre les unités de support d'information (10) dans le sens longitudinal (50) du câble (40).
  7. Câble selon la revendication 6, caractérisé en ce que les unités de support d'information (10) sont disposées les unes par rapport aux autres dans la trame d'espacement de telle sorte que les espacements (A) entre les unités de support d'information (10) correspondent au moins au double d'une distance d'écriture/de lecture (R) des unités de support d'information (10) en direction des unités de support d'information (10) respectivement les plus proches.
  8. Câble selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de support d'information (10) présente au moins une mémoire (14).
  9. Câble selon la revendication 8, caractérisé en ce que la mémoire (14) présente un champ de mémoire (22), dans lequel des informations inscrites sont mémorisées une fois de manière protégée en écriture.
  10. Câble selon la revendication 8 ou 9, caractérisé que la mémoire (14) présente un champ de mémoire (24), dans lequel des informations sont mémorisées de manière protégée en écriture par un code d'accès.
  11. Câble selon l'une quelconque des revendications 8 à 10, caractérisé en ce que la mémoire (14) présente un champ de mémoire (28), qui peut être décrit de manière libre avec des informations.
  12. Câble selon l'une quelconque des revendications précédentes, caractérisé en ce que chacune des unités de support d'information (10) peut être contactée individuellement.
  13. Câble selon la revendication 12, caractérisé en ce que chacune des unités de support d'information (10) peut être contactée individuellement par un code d'accès.
EP08716729.2A 2007-04-10 2008-04-02 Câble Active EP2135263B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007017964A DE102007017964A1 (de) 2007-04-10 2007-04-10 Kabel
PCT/EP2008/002604 WO2008122389A1 (fr) 2007-04-10 2008-04-02 Câble

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EP2135263A1 EP2135263A1 (fr) 2009-12-23
EP2135263B1 true EP2135263B1 (fr) 2018-09-26

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EP (1) EP2135263B1 (fr)
DE (1) DE102007017964A1 (fr)
WO (1) WO2008122389A1 (fr)

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Also Published As

Publication number Publication date
EP2135263A1 (fr) 2009-12-23
US20100166374A1 (en) 2010-07-01
DE102007017964A1 (de) 2008-10-23
WO2008122389A1 (fr) 2008-10-16

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