PTC heating module for heating a fluid

A heating module, heating fluid technology, applied in air heaters, heat storage heaters, fluid heaters, etc., can solve the problems of increasing resistance, inability to dissipate heat energy, and increased heating of PTC thermistor elements, and improve heating performance. , the effect of reducing material cost

Inactive Publication Date: 2019-12-27
MAHLE INT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Since PTC thermistor elements have low thermal conductivity, thicker PTC thermistor elements cannot adequately dissipate the generated heat energy on their surface compared to thinner PTC thermistor elements
This results in increased heating of the thicker PTC thermistor element, which increases the resistance

Method used

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  • PTC heating module for heating a fluid
  • PTC heating module for heating a fluid
  • PTC heating module for heating a fluid

Examples

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Embodiment Construction

[0043] according to figure 1 , the PTC heating module 1 according to the invention has a housing 2 with a rectangular cross-section. The first electrically conductive contact electrode 3 and the second electrically conductive contact electrode 4 are arranged spaced apart from one another in the housing 2 . If the housing 2 consists of an electrically conductive material, an insulating layer 5 is arranged between the respective contact electrodes 3 , 4 and the housing 2 . The insulating layer 5 prevents an electrically conductive connection between the contact electrodes 3 , 4 and the housing 2 . Such as figure 1 As shown, the insulating layer 5 may be provided on a part of the surface of the housing 2 . It is also conceivable to arrange the insulating layer 5 entirely on the inner surface of the housing 2 .

[0044] Such as figure 1 As shown, the rectangular parallelepiped PTC thermistor element 6 is arranged between the first contact electrode 3 and the second contact el...

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Abstract

A PTC heating module for heating a fluid comprises two contact electrodes (3,4). A PTC thermistor element (6) of a certain thickness (7) is located between the contact electrodes (3,4) and has two main surfaces (8,9) which are located opposite each other at the thickness (7). At least one of the main surfaces is divided into a contact area (10) and a rest area (11) so that a clearance and / or creepage distance (13) is formed between the contact electrodes (3,4) which is greater than the thickness (7) of the PTC thermistor element (6).

Description

technical field [0001] The invention relates to a PTC heating module and heating equipment for heating fluid. Background technique [0002] In order to provide a comfortable air temperature for the occupants in the vehicle, electric heating devices are used in modern vehicles to heat the fresh air supplied into the vehicle cabin. In the case of vehicles with conventional internal combustion engines, such electric heating devices or auxiliary heaters are used during the cold start phase in which the waste heat generated by the internal combustion engine is not sufficient to heat the fresh air to the desired temperature. In hybrid or fully electric vehicles, the residual heat of vehicle components is not sufficient to ensure the desired air temperature in the vehicle passenger compartment even after the start-up phase. [0003] Such an electric heating device can be designed as an air-side or coolant-side auxiliary heater. In the case of an air-side auxiliary heater, incomin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/04F24H7/02H05B3/00H05B3/03B60H1/22
CPCB60H1/2221B60H2001/2268F24H3/0429F24H7/0208H05B3/00H05B3/03H05B2203/02H05B2203/023H01C1/1406H01C7/02H05B3/24H01C1/142H05B1/0297
Inventor 迈克尔·科尔埃里克·马里耶斯蒂芬·佩措尔德福克·菲里格
Owner MAHLE INT GMBH
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