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EP2988571A1 - Procede de fabrication d'un systeme de chauffage souple, systeme de chauffage souple et utilisation - Google Patents

Procede de fabrication d'un systeme de chauffage souple, systeme de chauffage souple et utilisation Download PDF

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Publication number
EP2988571A1
EP2988571A1 EP15002472.7A EP15002472A EP2988571A1 EP 2988571 A1 EP2988571 A1 EP 2988571A1 EP 15002472 A EP15002472 A EP 15002472A EP 2988571 A1 EP2988571 A1 EP 2988571A1
Authority
EP
European Patent Office
Prior art keywords
heating
electrical conductor
base material
flexible
elements
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.)
Withdrawn
Application number
EP15002472.7A
Other languages
German (de)
English (en)
Inventor
Jan Zimmermann
Andreas Röpert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FORSTER ROHNER AG
Interactive Wear AG
Original Assignee
FORSTER ROHNER AG
Interactive Wear AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FORSTER ROHNER AG, Interactive Wear AG filed Critical FORSTER ROHNER AG
Publication of EP2988571A1 publication Critical patent/EP2988571A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
    • A41D13/0051—Heated garments
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/036—Heaters specially adapted for garment heating

Definitions

  • the present invention relates to a method of manufacturing a flexible heating system, a flexible heating system, and a use of the flexible heating system.
  • Flexible heating systems are already used in many areas, such as heated clothing, e.g. to heat a jacket in the kidney, shoulder and chest area, or in the car interior, e.g. for a seat heater, used.
  • Such flexible heating systems consist of one or more heating elements, associated supply lines and connections to one or more power sources.
  • the necessary contact points or contacts between heating element (s) and connecting element (s) can greatly increase the effort and thus the cost of producing a heating system. This is the case in particular if several separate heating elements are produced by a potentially favorable method of production, as is customary, for example, in the textile industry, and subsequently have to be interconnected in a complicated manner. Furthermore, the necessary contact points or contacts form potential sources of error or weak points with regard to the long-term stability of the heating system. Furthermore, the contact points or contacts due to the necessary protection of the joints for the end user disturbing elements by hard components of otherwise soft and flexible material are clearly noticeable. It is therefore an object of the present invention to provide an improved method of manufacturing a flexible heating system which is simple, inexpensive and applicable to a variety of different end products. Furthermore, it is an object of the present invention to provide an improved flexible heating system, which is simple and inexpensive to manufacture and which has a high long-term stability, and to indicate a corresponding use of the flexible heating system.
  • the flexible base material is, for example, a textile, a film or a fabric, in particular a fabric of polyester, nylon, cotton, corduroy, fleece, jeans, leather or artificial leather, or a combination thereof.
  • the flexible base material may in particular be elastic.
  • the flexible electrical conductor may e.g. a carbon fiber roving, a metal wire, in particular a wire of copper, nickel, silver, aluminum, stainless steel and / or alloys such as e.g. Nickel-chrome, brass, etc., include.
  • the flexible electrical conductor may also comprise stranded wire or threads of the above-mentioned materials. Typical strands for heating applications are e.g. Copper or brass strands of 10 to 60 wires, each about 0.02 to 0.1 mm in diameter.
  • the electrical conductor can be electrically connected to or at its ends by clamping, crimping, soldering, gluing or the like, in particular with a cable and / or with a current source.
  • the flexible electrical conductor may be insulated for protection. If the electrical conductor is insulated with an insulating layer, then this insulating layer is preferably designed such that it can be removed by suitable means at the end of the conductor in order to be able to contact the electrical conductor accordingly. If the electrical conductor is impressed or supplied with current by means of a current or voltage source, in particular by means of a battery or a rechargeable battery, the electrical conductor is heated as a result of the resistance against the current flow emanating from it.
  • the application of the electrical conductor to the base material can be done, for example, by applying, sewing, embroidering - in particular by embroidering with an industrial embroidery machine, in particular with a so-called Gross-Stick- or Schiffli embroidery machine - gluing, printing, laminating.
  • the electrical conductor can also be designed as an embroidery thread and thus embroidered directly onto the base material.
  • the heating system is formed by applying the electrical conductor to the base material such that one or more heating elements or heating pads and one or more connecting elements or supply lines are formed.
  • one or more heating elements or heating pads and one or more connecting elements or supply lines are formed.
  • a plurality of heating elements and one or more connecting elements are formed.
  • the term heating element or heating pad is understood to mean, in particular, an area, a section and / or an area of the heating system that is in the operating state, ie when connected and switched on power source, a certain minimum heating effect or heating power has.
  • connection element in each case comprises an associated supply line section or connection section of the flexible electrical conductor.
  • a supply section or connection section is understood to mean a section of the flexible electrical conductor which is used only for electrical connection between two heating elements or heating sections. Although produced in the operating state, the lead portion heat, but much less than the heating section. In contrast to the heating section of the supply line section is not used for targeted heating.
  • Heating systems can basically have any heating power.
  • heating systems in the operating state have a power of about 1 to 200 watts, in particular from about 2 to 120 watts, on.
  • mobile, battery-powered heating systems in the operating state have a power of about 2 to 20 watts.
  • Stationary or vehicle-mounted systems typically range in power from about 20 to 120 watts.
  • the heating system is designed such that the sum of the power of the heating elements in the operating state is at least 70%, more preferably at least 80% and most preferably at least 90% of the total power of the heating system.
  • the heating system is preferably designed such that the sum of the heating powers in the supply lines or connecting elements is preferably at most 30%, more preferably at most 20%, and most preferably at most 10% of the total output of the heating system.
  • heating element each includes an associated heating section of the flexible electrical conductor.
  • heating section is understood to mean a section of the flexible electrical conductor which is used for targeted heating.
  • the associated heating element also comprises a part of the base material.
  • the associated connecting element also comprises a part of the base material.
  • Each heating section of the electrical conductor is thus part of the associated heating element.
  • Each lead portion of the electrical conductor is thus part of the associated connection element.
  • the heater and lead sections preferably extend contiguously and alternately, i. Heating section - supply section - heating section, etc., over the applied on the base material electrical conductor.
  • the application of the flexible electrical conductor to the base material preferably takes place on the basis of a predetermined layout.
  • the layout specifies, for example, the size or area of the base material to which the flexible electrical conductor is to be applied.
  • the layout can specify distances between parts of the applied or applied electrical conductor depending on the location of the base material.
  • the layout dictates the exact course of the flexible electrical conductor on the base material.
  • the layout and thus the arrangement of the flexible electrical conductor on the base material are preferably designed such that there are sections or areas in which adjacent parts of the electrical conductor have a smaller distance than in other sections or areas.
  • Sections or areas in which adjacent parts of the electrical conductor have a relatively small spacing compared to the average spacing of adjacent parts of the electrical conductor, and thus a comparatively high heating effect or heating power, are also referred to as heating sections or heating areas.
  • Sections or areas in which adjacent parts of the electrical conductor have a relatively large spacing and thus a comparatively low heating effect or heating power compared to the average spacing of adjacent parts of the electrical conductor are also referred to as lead sections or lead areas, or also as Connection sections or connection areas called.
  • the flexible electrical conductor is loop-shaped and / or serpentine, in particular meander-shaped and / or spirally applied to the base material.
  • the density of the loops or spirals i. the number of loops per unit length, set the heating effect and / or predetermined.
  • the loop density, spiral density or the density of meandering arranged line sections is generally referred to as conductor density in the sense of this description.
  • the heating system is attached to an article to be heated, i. in the mounted state, the heating sections or heating areas have a relatively high conductor density and thus a high heating effect, whereas lead sections or lead areas have a comparatively low conductor density and thus a comparatively low heating effect.
  • heating effect is meant in particular the generated heating power per unit area.
  • the conductor density or the heating effect of feed sections is preferably at most 45%, more preferably at most 25%, even more preferably at most 15%, in particular at most 12%, of the conductor density or the heating effect of heating sections.
  • the distances between parts of the electrical conductor or the conductor density is preferably selected so that in the subsequent configuration, in particular cutting, laser and / or punching, the base material remains free sufficient base material can be sewn through or stitched through which safely Heating system eg by sewing or embroidering into a product to be heated.
  • the distances between parts of the electrical conductor and the conductor density are preferably chosen so that enough space for sewing flags remains.
  • the base material is further processed or configured, in particular cut, lasered and / or punched.
  • the configuration of the base material takes place in such a way that the connecting elements are deformed in a simple manner after the configuration, in particular pulled apart and / or compressed or compressed and / or folded.
  • the effective length of each connecting element can be variably adjusted.
  • the connecting elements or supply lines each have a variable effective length.
  • the term "effective length" of a connecting element is understood in the sense of this description, the length and / or extent of the connecting element.
  • the term "effective length” has been chosen instead of simply "length” of the connection element in the context of this description. Both terms can be used synonymously. Even if the length or the effective length of a connecting element is variable, the length of the electrical conductor encompassed by the connecting element or the length of the supply line section of the electrical conductor encompassed by the connecting element is substantially constant. In the case of several heating elements, the effective length of a connecting element corresponds to the distance between two heating elements, which are connected to one another via the connecting element. Thus, it is possible to vary, adjust and / or adjust the positioning of the heating elements. In other words, the basic material is configured such that the distance between two heating elements and / or the positioning of the heating elements, in particular the positioning of the heating elements on an object to be heated, can be varied, adjusted and / or adjusted.
  • the heating system can be placed variably, for example on a final product to be heated.
  • the heating system or the heating elements of the heating system can be easily integrated into various products or applications by means of suitable cuts.
  • the heating system according to the invention or the heating system produced according to the invention can be used for different sizes of a single product, eg the sizes XS to XXL in jackets. Few layouts can cover a whole range Product groups such as jackets, vests, trousers, socks seat covers, ceilings, wall or interior trim, parts of industrial equipment, barrels, barrels, etc., cover.
  • the cohesive and provided with integrated leads manufacturing the heating system according to the invention allows the elimination of additional contacts or contact elements and / or connection elements between the individual heating elements and connecting elements or leads.
  • the manufacturing method of the invention is simple, efficient and inexpensive.
  • the ends of the electrical conductor can be connected to a power source.
  • the electrical conductor is applied in one piece, ie continuously or coherently, to the base material.
  • individual electrical conductors must be connected or interconnected via special contact or connection elements.
  • the heating sections and supply line sections or the heating elements and connecting elements fit together seamlessly, ie without additional connecting elements or contact elements. In this way, expensive and annoying connection elements or contact elements between individual heating elements can be avoided. This reduces the manufacturing costs and increases the wearing comfort as well as the long-term stability of the flexible heating system produced according to the invention.
  • the electrical conductor may for example be formed from one or more electrically conductive embroidery threads, which are embroidered on the base material.
  • the electrical conductor is formed from only one continuous embroidery thread and thus formed in one piece. If, according to another embodiment, the electrical conductor is composed of a plurality of embroidery threads, then the electrical conductor within the meaning of the present description also counts as being integral when the embroidery threads are or are embroidered on the base material in such a way, that they are electrically connected to each other or are in electrical contact with each other.
  • the configuring or processing of the base material comprises cutting, laser cutting and / or punching out of the base material.
  • the configuring, i. The cutting, laser cutting and / or punching of the base material is preferably carried out such that the connecting elements can be pulled apart and / or pulled together and / or folded
  • the heating elements and the connecting elements are formed by dividing or dividing the electrical conductor into the heating sections of the electrical conductor belonging to the heating elements and into the feed sections of the electrical conductor belonging to the connecting elements educated.
  • each heating element comprises a heating section of the electrical conductor and each connection element comprises a supply section of the electrical conductor.
  • the subdivision or subdivision of the electrical conductor does not mean that the electrical conductor is separated or disassembled into several parts, but that heating sections and supply line sections are defined along the electrical conductor. In other words, heating sections or supply line sections are assigned to the electrical conductor. The subdivision is carried out such that the heating sections have a higher heating effect than the supply line sections.
  • the heating sections have a higher conductor density than the supply line sections.
  • the heating sections may be formed with higher resistance, while the supply line sections are formed with lower resistance.
  • the specific electrical resistance of the heating sections of the electrical conductor may be greater than the electrical resistivity of the supply sections of the electrical conductor in that the electrical conductor in the heating sections has a smaller diameter or cross section than in the supply sections.
  • different materials may be used.
  • a higher-resistance material than for the supply line sections can be used.
  • the electrical conductor is composed of different materials, it may nevertheless be formed in one piece.
  • the different materials may have been welded together to the one-piece conductor, so that no additional contact elements or connecting elements are necessary for connecting.
  • the method according to the invention for producing a flexible heating system comprises assembling the heating system.
  • packaging means, in particular, an adaptation of the size or dimensions of the heating system.
  • the distances of the individual heating elements can be adjusted or adjusted.
  • the assembly of the heating system comprises a pulling apart, a squeezing and / or a folding of one or more connecting elements.
  • assembling involves adjusting the effective length of the connecting elements, e.g. based on data of a product to be heated.
  • the heating sections or the heating elements can be placed at a desired position, for example, a product to be heated.
  • a desired position for example, a product to be heated.
  • the method according to the invention for producing a flexible heating system prior to the step of configuring the base material comprises marking the heating elements and connecting elements.
  • the marking preferably comprises attaching cutting and / or fixing aids, in particular cutting auxiliary lines and / or sewing auxiliary lines, to the base material.
  • the marking of the heating elements and connecting elements advantageously facilitates the further processing steps, in particular the cutting, laser cutting or punching out of the base material.
  • the marking of the heating elements and connecting elements advantageously facilitates the further processing steps, in particular the cutting, laser cutting or punching out of the base material.
  • e.g. By sewing or embroidery flags or by an adhesive marking the subsequent attachment and / or integration of the heating system to or in a product to be heated significantly easier.
  • the connecting elements are preferably designed to be pulled apart and / or compressed or compressed and / or folded.
  • the deformable in this way connecting elements thus have a variable and / or adjustable effective length.
  • the respective Distances of the heating elements can be adjusted and thus adjusted according to the intended use or to the product to be heated.
  • the flexible heating system according to the invention requires no additional contact or connection elements between the individual heating elements of the heating system. Rather, in the heating system according to the invention, the heating sections and supply line sections or the heating elements and connecting elements in each case fit together seamlessly.
  • the elimination of additional contact or connection elements makes the heating system significantly cheaper to manufacture, purchase and maintenance.
  • the wearing comfort increases because additional contact or connection elements can interfere with or disturb a user.
  • the elimination of trouble-prone connection or contact elements gives a higher long-term stability.
  • the heating elements each have a greater heating effect than the connecting elements.
  • the heating sections of the electrical conductor are made of high-resistance materials and the supply line sections of the electrical conductor are formed of low-resistance materials.
  • the heating sections of the electrical conductor are formed of a higher-resistance material than the supply sections of the electrical conductor.
  • the heating system according to the invention further comprises one or more markings, in particular cutting, fixing and / or sewing aids or sewing flags, which are applied to the base material for marking cut lines and / or fixing lines, in particular stitching or sewing lines are.
  • the markings applied to the base material advantageously serve to easily integrate the flexible heating system into a product to be heated.
  • the base material is designed to be placed on a heated or heated product, sewn, embroidered, printed, glued, laminated and / or applied by means of Velcro, zipper and / or by means of one or more push buttons , In this way, the heating system can be integrated into the product to be heated.
  • a further independent aspect for achieving the object relates to the use of the flexible heating system according to the invention for heating heatable articles, in particular industrial products such as e.g. Products of the textile industry.
  • the inventive flexible heating system for heating at least parts of a garment (jacket, vest pants, sock, glove), a seat (car seat, seat cushions, seat covers), a blanket, a mattress, a wall or interior lining, parts of industrial plants, Tons, barrels, etc. are used.
  • the FIG. 1 shows an exemplary layout 30 for the arrangement of an electrical conductor 10 on a base material (in the FIG. 1 not shown) of the heating system according to the invention.
  • the integrally formed electrical conductor 10, in particular a heating wire or filament is, according to the predetermined layout 30 on a base material 5, in particular a textile, sewn or embroidered.
  • the electrical conductor 10 is advantageously applied to the base material in the form of a loop or serpentine, in particular meandering and / or helical.
  • effective heating elements in particular heating surfaces or heating pads, can be formed.
  • the loop shape also allows the formation of flexible, ie variable in length and / or adjustable, supply or connecting elements which electrically connect the heating elements together.
  • the ends 10a and 10b of the electrical conductor or heating wire 10 applied to the base material can be connected to a power source, for example a battery or a rechargeable battery. If current flows through the electrical conductor or heating wire 10, it heats up and releases the heat to its surroundings.
  • a power source for example a battery or a rechargeable battery. If current flows through the electrical conductor or heating wire 10, it heats up and releases the heat to its surroundings.
  • the layout 30 of the heating system according to the invention is designed such that, apart from the connection of the ends 10a and 10b of the electrical conductor 10 with a power source, no contact points or contacts on the electrical conductor 10 are necessary. This is ensured by the fact that the electrical conductor or heating wire 10 in one piece, that is formed continuously without interruption and thus no disturbing and vulnerable connection elements between the different heating elements are required. This greatly reduces the manufacturing and maintenance costs. At the same time, the wearing comfort of the heating system is increased, for example when the heating system is integrated into a garment, since there are no hard pressure points that result from such connection contacts, more.
  • FIG. 2 shows the layout 30 of FIG. 1 with example defined heating sections 12 and supply sections 14 of the electrical conductor 10.
  • the defined or formed by the heating sections 12 heating surfaces or heating pads, for example, to a specific with the heating system to be heated product, such as a garment such as a jacket or vest, be coordinated.
  • a specific with the heating system to be heated product such as a garment such as a jacket or vest
  • be coordinated Like in the FIG. 2
  • the conductor spacing ie the distance between parts of the electrical conductor 10
  • in the region of the heating sections 12 is slightly lower than in the region of the supply line sections 14.
  • the heating effect or heating power of the heating sections 12 is higher than that of the supply line sections 14th
  • FIG. 3 shows in a schematic representation of the applied to the base material 5, integrally formed, electrical conductor 10 according to the layout of FIG. 1 or 2 . Furthermore, in the FIG. 3 schematically shows lines along which is cut for the subsequent processing or configuration of the base material.
  • the in the FIG. 3 Lines shown may be fictitious or may be provided with markings.
  • markings In the embodiment of FIG. 3 are marks, in particular a cutting auxiliary line 22 and a sewing auxiliary line 24, which can be attached to the base material 5 by suitable methods in the manufacturing process.
  • the cutting auxiliary line 22 serves as a default or orientation aid for cutting, laser cutting and / or punching out the base material in order to make the effective length of the connecting elements of the heating system according to the invention variable.
  • the sewing auxiliary line 24 is used for mounting or introducing the heating system or the heating pads into a product.
  • the sewing guide 24 provides an orientation aid at which points easily and safely, ie without damaging the electrical conductor, can be sewn.
  • the sewing guides 24 are thus used to sew the heating pads into a product, making sure that it is only sewn where there is no injury to the heating wire.
  • the guides can also be embroidered so that it is then stick guides 24. This is particularly useful if the electrical conductor 10 is embroidered on the base material 5 or embroidered.
  • FIG. 4a shows a schematic front view of an embroidered heating filament 10, while the FIG. 4b the corresponding rear view shows.
  • the sewing or embroidery threads 15 can have a clearly visible color, ie in a color that is high in contrast to the base material 5, in order to mark during further processing, in particular the manufacture, in which area, if possible, not to be sewn.
  • FIG. 5 shows a schematic representation of the heating system 100 according to the invention according to a preferred embodiment. Compared to the previous figures, the base material 5 was cut to size.
  • the heating system 100 produced in this way comprises heating elements 16 and connecting elements 18.
  • the connecting elements 18 electrically connect two heating elements to one another and thus provide supply lines of the heating elements 16.
  • both the heating elements 16 and the connecting elements 18 are formed by the integrally formed electrical conductor, the transition between the heating elements 16 and the connecting elements 18 takes place seamlessly, i. without additional contact and / or connection elements.
  • the heating elements 16 include an associated heating portion of the electrical conductor 10 and an associated portion of the cut base material 5.
  • the connection elements 18 comprise an associated lead portion of the electrical conductor 10 and an associated portion of the cut base material 5. The heating elements 16 and Connecting elements 18 thus extend alternately over the electrical conductor 10 applied to the base material 5.
  • the connecting elements 18 can be pulled apart, so that a variable placement of the individual heating elements 16 is possible.
  • the connecting elements 18 can also be easily pulled together or compressed to the initial state of the heating system restore. The cut is made such that, in contrast to the connecting elements 18, the heating elements 16 are not expandable or compressible. This ensures an adjustable constant heating effect of the heating elements 16.
  • the heating elements 16 can be adjusted in position variable to the product to be heated. So it is e.g. in a simple manner, the heating system 100 in garments of different clothing sizes, e.g. XS to XL, integrate. In particular, the layout 30 for the heating system 100 need not be changed for different sizes of a product. This facilitates the manufacture and reduces the associated costs.
  • FIG. 6a shows a schematic detail view of an exploded connecting element 18, which includes an associated lead portion of the electrical conductor 10 and an associated part or portion of the base material 5.
  • the connecting elements 18 can also be folded, as shown in the FIG. 6b is shown. By folding a longer connecting distance of the connecting element 18 is achieved. Preferably, when folding always to the back, ie to the side facing away from the electrical conductor 10 side of the base material 5, folded. Thus, it can be prevented that the connections lie directly on top of each other and that, for example, short circuits occur in the case of a non-insulated electrical conductor 10.
  • FIGS. 7a and 7b each show a schematic drawing for the exemplary arrangement of a heating system 100 according to the invention for heating the human body 50.
  • the Figure 7a which represents the front of the human body, shows two heating elements 16, which are arranged in the chest area, while the Connecting elements 18 are guided over the neck area to the back.
  • FIG. 7b which represents the back of the human body, shows two further heating elements 16, which are arranged in the kidney area.
  • a heating element 16 of the chest region and a heating element 16 of the kidney region are connected via a connecting element 18.
  • the connecting element 18 is correspondingly pulled apart, so that its effective length substantially corresponds to the distance of the chest region from the kidney region.
  • the two heating elements 16 in the kidney region are also connected via a connecting element 18 with an appropriately set or adapted effective length. It was already taken into account in the layout of the heating system that in principle the distance between the chest area to the kidney area is greater than the distance between the kidneys. Accordingly, the length of the lead portions of the connecting members 18 has been selected differently for the different areas.
  • the spacings of the heating elements 16 may be adjusted via the adjustable effective length of the connecting elements 18.
  • FIG. 8 shows the same layout as in the FIG. 1 shown. However, in comparison to those in the FIG. 2 shown definition of heating sections 12 and supply sections 14, the heating sections 12 and supply sections 14 according to the layout of FIG. 8 otherwise defined or distributed differently.
  • the exemplary layouts 30 shown in FIG FIGS. 1 and 8th may thus serve as a basis for the production of flexible heating systems 100 according to the invention, each having a different number of heating elements 16 and / or a different arrangement of the heating elements 16.
  • the different layouts 30 may be used for different products to be heated.
  • FIG. 9 shows another exemplary layout for the arrangement of a one-piece electrical conductor 10 on a base material 5.
  • the layout is designed regularly, ie, the conductor spacing for the loops of the electrical conductor 10 is substantially constant. If such a layout is used, a different number of heating elements 16, each having an identical surface heating power, can be produced by different cuts.
  • FIG. 10 shows an exemplary photo of an applied on a base material 5 electrical conductor 10 with dotted lines drawn or auxiliary cutting lines 22.
  • the cutting lines 22 are used for cutting, laser cutting and / or punching of the base material.
  • FIG. 11 shows photos of an exemplary, integrated in a garment heating system according to the invention from four different perspectives.
  • the Figures 12a and 12b each show photos of a front and rear view of a vest, in which a flexible heating system 100 according to the invention is integrated. While the FIG. 12a A size S vest is in the FIG. 12b a vest of size L, so a vest with a larger clothing size shown.
  • the connecting elements 18 are each set in such an effective length that the heating elements or heating pads 16 at predetermined locations of the vest arranged, in particular sewn or embroidered.
  • the heating system 100 may include one or more temperature sensors for measuring the local temperature (s) and a control unit that controls the power supply so that the garment reaches a predetermined temperature at least locally.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Surface Heating Bodies (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
EP15002472.7A 2014-08-22 2015-08-20 Procede de fabrication d'un systeme de chauffage souple, systeme de chauffage souple et utilisation Withdrawn EP2988571A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014012663.3A DE102014012663B4 (de) 2014-08-22 2014-08-22 Verfahren zur Herstellung eines flexiblen Heizsystems, Flexibles Heizsystem und Verwendung

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Publication Number Publication Date
EP2988571A1 true EP2988571A1 (fr) 2016-02-24

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EP15002472.7A Withdrawn EP2988571A1 (fr) 2014-08-22 2015-08-20 Procede de fabrication d'un systeme de chauffage souple, systeme de chauffage souple et utilisation

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EP (1) EP2988571A1 (fr)
DE (1) DE102014012663B4 (fr)

Cited By (1)

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