Electrical heating device, method for the production thereof, and vehicle seat with such a heating device
First Claim
1. An electrical heating device comprising:
- a. at least one support;
b. at least one ohmic heating resistor; and
c. at least one temperature sensor;
wherein the at least one ohmic heating resistor comprises at least one heating conductor strand, the at least one heating conductor strand is laid out on, or in, the at least one support in a track-like, curving, or meandering pattern in order to span a heating field,wherein the at least one heating conductor strand comprises at least one measurement loop, which is formed by two straight heating conductor strand sections that are separated from one another and connected together electrically conductively at one end, the two straight heating conductor strand sections are laid out around the at least one temperature sensor and thereby form a delimited measurement field,wherein the at least one temperature sensor is placed in a measurement position within the delimited measurement field spanned by the at least one measurement loop in such a way that the at least one temperature sensor;
i. has approximately a same distance from the two straight heating conductor strand sections of the at least one measurement loop, andii. is positioned within the at least one measurement loop as a function of a surface area formed by the delimited measurement field.
1 Assignment
0 Petitions
Accused Products
Abstract
An electrical heating device includes at least one support; at least one ohmic heating resistor; and at least one temperature sensor. The heating resistor includes a heating conductor strand, which is laid out on, or in, the support in a track-like, curving, or meandering pattern to span a heating field. The heating conductor strand includes a measurement loop formed by at least two heating conductor sections that are separated from one another, and, in each case, are connected together electrically conductively at one end, and which are laid out around the temperature sensor and form a delimited measurement field. The temperature sensor is placed in a measurement position within the measurement field spanned by the measurement loop so that it is positioned as a function of a surface area formed by the measurement field at a greater or smaller distance from an opening of the measurement loop.
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Citations
18 Claims
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1. An electrical heating device comprising:
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a. at least one support; b. at least one ohmic heating resistor; and c. at least one temperature sensor; wherein the at least one ohmic heating resistor comprises at least one heating conductor strand, the at least one heating conductor strand is laid out on, or in, the at least one support in a track-like, curving, or meandering pattern in order to span a heating field, wherein the at least one heating conductor strand comprises at least one measurement loop, which is formed by two straight heating conductor strand sections that are separated from one another and connected together electrically conductively at one end, the two straight heating conductor strand sections are laid out around the at least one temperature sensor and thereby form a delimited measurement field, wherein the at least one temperature sensor is placed in a measurement position within the delimited measurement field spanned by the at least one measurement loop in such a way that the at least one temperature sensor; i. has approximately a same distance from the two straight heating conductor strand sections of the at least one measurement loop, and ii. is positioned within the at least one measurement loop as a function of a surface area formed by the delimited measurement field. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An electrical heating device comprising:
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a. at least one support; b. at least one ohmic heating resistor; and c. at least one temperature sensor; wherein the at least one ohmic heating resistor comprises at least one heating conductor strand, the at least one heating conductor strand is laid out on or in the at least one support in a track-like, curving or meandering pattern in order to span a heating field, wherein the at least one heating conductor strand comprises at least one measurement loop, which is formed by at least two straight heating conductor strand sections that are separated from one another and connected together electrically conductively at one end, and which are laid out around the at least one temperature sensor and thereby form a delimited measurement field, wherein the at least one temperature sensor is placed in a measurement position within the delimited measurement field spanned by the at least one measurement loop in such a way that the at least one temperature sensor; i. has approximately same distances between the at least two straight heating conductor strand sections of the at least one measurement loop, and ii. as a function of a surface area formed by the delimited measurement field, the at least one temperature sensor is positioned at a larger distance from an opening of the at least one measurement loop, wherein a distance from a section connecting the at least two straight heating conductor strand sections or from an opening formed between the at least two straight heating conductor strand sections is variable as a function of the surface area of the delimited measurement field, wherein the at least two straight heating conductor strand sections that form the delimited measurement field are oriented at least approximately parallel to one another or parallel to one another in at least some sections, wherein sections of the at least two straight heating conductor strand sections that form the delimited measurement field are arranged at a distance between 6 mm and 8 mm from one another, wherein the at least one heating conductor strand and/or the at least one temperature sensor, is/are sewn into the at least one support, and wherein a correlation between a temperature measurement value delivered by the at least one temperature sensor and an actual temperature averaged over the surface area of the heating field corresponds to an individual electrical heating device.
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Specification