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    • 3. 发明授权
    • HEIZVORRICHTUNG MIT FLEXIBLEM HEIZKÖRPER
    • 与柔性加热的加热装置
    • EP1495523B1
    • 2008-12-03
    • EP03739366.7
    • 2003-02-15
    • Beurer GmbH & Co.
    • MERK, ErnstKÖHLER, Ralf
    • H02H5/04
    • H02H5/043H05B3/342
    • The invention relates to a heating device comprising an electrical heat conducting arrangement (1.1), which is integrated inside a flexible heating body (1) and which can be connected to a supply voltage (UV) via a connecting cable. Said heat conducting arrangement has a first conductor (Rhz1) and an adjacent second conductor (Rhz2), which is connected in series to the first conductor while being separated therefrom by means of an insulation (INTC). The inventive heating device also comprises a heating circuit (3), which is formed by these and additional elements including a control element (THY1) for a heating current (iH), and comprises a trigger circuit (2), which is connected to the control element (3) in order to influence the heating current (iH) and regulate the temperature. The monitoring is enhanced by virtue of the fact that: the insulation (INTC) has a resistance characteristic that decreases with the temperature; in order to tap an electric monitoring signal current or voltage, which is dependant on the temperature of the insulation (INTC), the trigger circuit (2) is additionally coupled via a monitoring branch (20) to a section of the heating circuit (3), which responds to a change in resistance of the insulation (INTC), and; that the trigger circuit (2) responds to a surpassing of a threshold by the monitoring signal and interrupts the heating current (iH) by controlling the control element (THY1).
    • 4. 发明公开
    • HEIZVORRICHTUNG MIT FLEXIBLEM HEIZK RPER
    • 与柔性加热的加热装置
    • EP1495523A1
    • 2005-01-12
    • EP03739366.7
    • 2003-02-15
    • Beurer GmbH & Co.
    • MERK, ErnstKÖHLER, Ralf
    • H02H5/04
    • H02H5/043H05B3/342
    • The invention relates to a heating device comprising an electrical heat conducting arrangement (1.1), which is integrated inside a flexible heating body (1) and which can be connected to a supply voltage (UV) via a connecting cable. Said heat conducting arrangement has a first conductor (Rhz1) and an adjacent second conductor (Rhz2), which is connected in series to the first conductor while being separated therefrom by means of an insulation (INTC). The inventive heating device also comprises a heating circuit (3), which is formed by these and additional elements including a control element (THY1) for a heating current (iH), and comprises a trigger circuit (2), which is connected to the control element (3) in order to influence the heating current (iH) and regulate the temperature. The monitoring is enhanced by virtue of the fact that: the insulation (INTC) has a resistance characteristic that decreases with the temperature; in order to tap an electric monitoring signal current or voltage, which is dependant on the temperature of the insulation (INTC), the trigger circuit (2) is additionally coupled via a monitoring branch (20) to a section of the heating circuit (3), which responds to a change in resistance of the insulation (INTC), and; that the trigger circuit (2) responds to a surpassing of a threshold by the monitoring signal and interrupts the heating current (iH) by controlling the control element (THY1).
    • 9. 发明授权
    • HEIZVORRICHTUNG MIT FLEXIBLEM HEIZKÖRPER
    • 与柔性加热的加热装置
    • EP1468344B1
    • 2006-06-07
    • EP03700805.9
    • 2003-01-10
    • Beurer GmbH & Co.
    • MERK, ErnstKÖHLER, Ralf
    • G05D23/00
    • H05B1/0272G05D23/1917G05D23/2401
    • The invention relates to a heating device comprising an electric heat conductor arrangement (1.1), which is integrated in a flexible heating element (1) and can be connected to a supply voltage (UV) via a connection cable. The heating device also comprises a heating circuit (3), which is formed with said heat conductor arrangement and with other elements including a control element (THY1) for a heating current (iH), and comprises a trigger circuit (2), which has a control loop and is connected to the control element (THY1) in order to vary the heating current (iH) and regulate the temperature, whereby the control element is triggered based on a deviation between an actual value and a set value. A simple design with reliable temperature regulation is obtained in that the trigger circuit (2) is additionally coupled to the heating circuit (3) via a coupling branch (5) in order to tap an electric measured variable (u21) current or voltage that varies according to the temperature of the heat conductor arrangement (1.1). In addition, the trigger circuit comprises a control loop with a digitizing stage (2.11) of a digital circuit arrangement (2.1). The trigger circuit (2) is configured so that the triggering of the control element (THY1) for adjusting a set temperature of the heating element (1) ensues based on digital data generated in the digitizing stage (2.11).