An electrocaloric fiber includes an electrocaloric material surrounding a centrally located electrode. The electrocaloric fiber may further include an outer electrode surrounding the electrocaloric material. The electrocaloric fiber may be used to form an electrocaloric fabric.

A vehicle cockpit component (10, 12, 14, 16, 18) with a heating device that comprises a polyurethane-based foam charged and/or impregnated with an electrically conductive filler (1) which is directly connected to means for generating a potential difference (7a, 7b; 11a, 11b; 13a, 13b) for generating heat by Joule effect is provided. The polyurethane-based foam charged and/or impregnated with an electrically conductive filler (1) is used for manufacturing the padding or the upholstery of the vehicle cockpit component (10, 12, 14, 16, 18) or one or more portions of the padding or upholstery. The heating device is intrinsic to the vehicle cockpit component and does not require the provision of additional, separate components.

A vehicle cockpit component (10, 12, 14, 16, 18) with a heating device that comprises a polyurethane-based foam charged and/or impregnated with an electrically conductive filler (1) which is directly connected to means for generating a potential difference (7a, 7b; 11a, 11b; 13a, 13b) for generating heat by Joule effect is provided. The polyurethane-based foam charged and/or impregnated with an electrically conductive filler (1) is used for manufacturing the padding or the upholstery of the vehicle cockpit component (10, 12, 14, 16, 18) or one or more portions of the padding or upholstery. The heating device is intrinsic to the vehicle cockpit component and does not require the provision of additional, separate components.

A board, including a first pad area, a second pad area, a first micro heater, a second micro heater, a first heater terminal pad, a second heater terminal pad, and a third heater terminal pad, is provided. The first pad area and the second pad area respectively include at least one pad. The first micro heater and the second micro heater are respectively disposed corresponding to the first pad area and the second pad area. The first heater terminal pad and the second heater terminal pad form a loop with the first micro heater by being electrically connected to an outside, so that the first micro heater generates heat. The second heater terminal pad and the third heater terminal pad form another loop with the second micro heater by being electrically connected to the outside, so that the second micro heater generates heat. A circuit board and a fixture are also provided.

A heating device includes a heating unit and device electronics. The heating unit is configured to deliver heat to a user's body. The heating unit includes a substrate and a heating element supported by the substrate. The device electronics are coupled to the heating element and are configured to store a first heating profile that includes data indicating how power should be delivered to the heating element over a first period of time. The device electronics are configured to deliver power to the heating element according to the first heating profile. The device electronics are configured to wirelessly receive a second heating profile from an external computing device. The second heating profile includes data indicating how power should be delivered to the heating element over a second period of time. The device electronics are configured to deliver power to the heating element according to the second heating profile.

A heating device includes a heating unit and device electronics. The heating unit is configured to deliver heat to a user's body. The heating unit includes a substrate and a heating element supported by the substrate. The device electronics are coupled to the heating element and are configured to store a first heating profile that includes data indicating how power should be delivered to the heating element over a first period of time. The device electronics are configured to deliver power to the heating element according to the first heating profile. The device electronics are configured to wirelessly receive a second heating profile from an external computing device. The second heating profile includes data indicating how power should be delivered to the heating element over a second period of time. The device electronics are configured to deliver power to the heating element according to the second heating profile.

A laminated glass includes a pair of glass plates facing each other, a pair of intermediate adhesive layers positioned between the pair of glass plates and in contact with the respective glass plates, a wiring positioned between the pair of intermediate adhesive layers, and one set of bus bars connected to the wiring. The wiring includes conductive thin wires arranged in parallel with each other between the bus bars. The bus bars are arranged alongside a same edge of the glass plates. In an area corresponding to at least a part of a principal face of the glass plates, the conductive thin wires are arranged as one aggregation and include at least one turnaround. A resistance value of each of the conductive thin wires is within a range of 10% or less with respect to an average value of resistance values of the conductive thin wires.

A laminated glass includes a pair of glass plates facing each other, a pair of intermediate adhesive layers positioned between the pair of glass plates and in contact with the respective glass plates, a wiring positioned between the pair of intermediate adhesive layers, and one set of bus bars connected to the wiring. The wiring includes conductive thin wires arranged in parallel with each other between the bus bars. The bus bars are arranged alongside a same edge of the glass plates. In an area corresponding to at least a part of a principal face of the glass plates, the conductive thin wires are arranged as one aggregation and include at least one turnaround. A resistance value of each of the conductive thin wires is within a range of 10% or less with respect to an average value of resistance values of the conductive thin wires.

A heat generating fabric is provided, and more specifically a heat generating fabric that exhibits excellent heating characteristics, has a uniform temperature distribution, has excellent flexibility such that when applied to a surface to be fixed having a step difference, it has excellent adhesion and heat insulation performance at the same time, has an effect of transmitting the temperature to the inside of an object for the purpose of temperature increase, shows very little change in physical properties even after heating and shows an effect of excellent durability.

A safe heating circuit, including: a PTC electric heating element, generating heat when being electrified; a first switching element, coupled into a ground loop of the PTC electric heating element and configured to switch on or off a power loop of the PTC electric heating element based on an on-off control signal; a first voltage acquisition circuit, configured to sample a first temperature voltage based on a ground current of the PTC electric heating element; an NTC element, disposed between the PTC electric heating element and a sensing element; the sensing element, configured to receive a leakage current from the PTC electric heating element transmitted by the NTC element; a second voltage acquisition circuit, configured to sample a second temperature voltage based on the leakage current; and a controller, configured to compare the first temperature voltage or the second temperature voltage to a set temperature voltage and output the on-off control signal based on a comparison result.The safe heating circuit of the present invention can precisely control the heating temperature, and timely detect a fault and switch off a power supply to ensure the safety of a user.