Vehicle heater and method of manufacturing vehicle heater

A technology for vehicle heaters and heat-conducting layers, which is applied in the direction of ohmic resistance heating, thermometers and instruments using electric/magnetic elements that are directly sensitive to heat, and can solve problems such as inaccurate measurement results
CN104137647BActive Publication Date: 2016-09-28WEBASTO AG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WEBASTO AG
Publication Date
2016-09-28

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Abstract

A vehicle heater (10) having a body (12) carrying a non-intrinsically safe heat conducting layer (14), and sensor means (16, 18, 20). The sensor device (16, 18, 20) comprises a sensor layer (16), which is arranged on the side of the heat-conducting layer (14) facing away from the body (12) and with respect to which can be substantially along the surface normal of the sensor layer ( 42) The direction of the current is monitored. In the method of manufacturing a vehicle heater (10), the body (12) of the vehicle heater (10) is equipped with a non-intrinsically safe heat-conducting layer (14) and sensor means (16, 18, 20) for detecting whether a temperature threshold is exceeded ). The sensor layer (16) is configured to the heat-conducting layer (14) on the side of the heat-conducting layer facing away from the main body to form a sensor device (16, 18, 20), and the sensor layer is arranged to monitor the sensor layer (16) substantially along the surface Currents appearing in the direction of the normal (42).
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Description

technical field

[0001] The invention relates to a vehicle heater comprising a body carrying a non-intrinsically safe heat-conducting layer and a sensor device assigned to the heat-conducting layer, the sensor device being arranged to detect an exceeding of a temperature threshold.

[0002] The invention also relates to a method of manufacturing a vehicle heater, in particular a vehicle heater as described herein. According to said method, it is intended that the body of the vehicle heater is equipped with a non-intrinsically safe heat-conducting layer and sensor means for detecting exceeding of a temperature threshold.

[0003] The body can in both cases be, for example, a heat exchanger, in particular of the metal / air and / or metal / liquid type. Background technique

[0004] In contrast to intrinsically safe heat-conducting layers, such as PTC heat-conducting layers, which are able to independently prevent excessive temperature rises by limiting the current, all types of hea...

Claims

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