Flexible flat heating element
A flexible flat structure has a flexible, flat resistance heating element that is connected to electrodes that are spaced apart from one another for supplying electrical current that is pressed on to the resistance heating element by staples or clamps in a force-fit manner and/or a form-fit manner and provides a more flexible connection.
1. A flexible flat structure, comprising:
a flexible, flat resistance heating element formed from an electrically conductive material;
at least two electrodes connected to said resistance heating element, being spaced apart from one another and intended for feeding electric current into said resistance heating element; and
a hinged clip connecting said electrodes to said resistance heating element, said hinged clip having clamping jaws acting against one another and engaging around a respective one of said electrodes and resiliently pressing said respective electrode onto said resistance heating element in a force-fitting manner.
2. The flat structure according to claim 1 , further comprising a flat supporting material formed from a nonconductive material connected to said resistance heating element.
3. The flat structure according to claim 2 , wherein said electrodes are connected to said flat supporting material.
4. The flat structure according to claim 2 , further comprising an additional support and said electrodes are connected to said additional support.
5. The flat structure according to claim 1 , wherein said resistance heating element is formed as one of a braided fabric or a knitted fabric of one of metal wires or filaments.
6. The flat structure according to claim 1 , wherein said resistance heating element is formed as a layer or membrane of said electrically conductive material.
7. The flat structure according to claim 6 , wherein said resistance heating element is formed as said layer of a conductive polymer.
8. The flat structure according to claim 1 , wherein said resistance heating element is formed as a grid.
9. The flat structure according to claim 1 , wherein at least one of said electrodes is formed as part of at least one of said clamping jaws.
10. The flat structure according to claim 1 , wherein at least one of said electrodes is formed as a strip electrode and is pressed by said clamping jaws onto said resistance heating element.
11. The flat structure according to claim 10 , wherein said strip electrode is pressed on one side onto said resistance heating element.
12. The flat structure according to claim 10 , wherein said resistance heating element contacts said strip electrode on more than one side and is pressed against said strip electrode.
13. The flat structure according to claim 10 , wherein said electrode is of a multi-layered structure and, apart from a layer of conductive material, has at least one supporting or additional layer.
14. The flat structure according to claim 1 , wherein said clamping jaws have contacting clamping areas with interlocking profiles selected from the group consisting of jags, teeth, increased roughnesses and projections.
15. The flat structure according to claim 1 , further comprising an additional component pressing on said clamping jaws of said hinged clip; said additional component selected from the group consisting of an additional closure clip and a ring.
16. An interior lining part for a vehicle, comprising:
a flat structure containing:
a flexible, flat resistance heating element of electrically conductive material;
at least two electrodes connected to said resistance heating element, being spaced apart from one another and intended for feeding electric current into said resistance heating element; and
a hinged clip connecting said electrodes to said resistance heating element, said hinged clip having clamping jaws acting against one another and engaging around a respective one of said electrodes and resiliently pressing said respective electrode onto said resistance heating element in a force-fitting manner.
17. The interior lining part according to claim 16 , further comprising an additional component pressing on said clamping jaws of said hinged clip; said additional component selected from the group consisting of an additional closure clip and a ring.
18. A vehicle seat, comprising:
a flat structure containing:
a flexible, flat resistance heating element of electrically conductive material;
at least two electrodes connected to said resistance heating element, being spaced apart from one another and intended for feeding electric current into said resistance heating element; and
a hinged clip connecting said electrodes to said resistance heating element, said hinged clip having clamping jaws acting against one another and engaging around a respective one of said electrodes and resiliently pressing said respective electrode onto said resistance heating element in at a force-fitting manner.
19. The vehicle seat according to claim 18 , further comprising an additional component pressing on said clamping jaws of said hinged clip; said additional component selected from the group consisting of an additional closure clip and a ring.