A heating device

By introducing preheating compensation components and quick-release components into the liquid-cooled heater of new energy vehicles, the problem of uneven heating of coolant caused by heat sink effect in the non-heat exchange zone of the profile body is solved, realizing uniform preheating of the battery pack and efficient start-up of the heater, and simplifying the maintenance process.

CN122436614APending Publication Date: 2026-07-21WUXI XINRUIDA TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUXI XINRUIDA TECH CO LTD
Filing Date
2026-04-17
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

When existing liquid-cooled heaters for new energy vehicles are used for parking heating in winter, a heat sink effect forms in the non-heat exchange area of ​​the profile body, which results in the inability of the coolant at the inlet end of the flow channel to be effectively heated. This leads to uneven heating within the flow channel, affecting the inconsistent preheating effect of the battery pack, reducing the heater's start-up efficiency, and making it unsuitable for the demand for rapid start-up at low temperatures.

Method used

A heating device was designed, comprising a preheating compensation component and a quick-release component. The device preheats the coolant at the inlet end through the bonding structure between the thermally conductive copper block and the heating block. Combined with the temperature control module, the state of the heating block is independently adjusted to achieve localized heat replenishment at the inlet end. The quick-release component enables rapid disassembly and maintenance of the heating block.

Benefits of technology

It achieves uniform distribution of coolant temperature, ensures consistent preheating effect of battery pack, improves heater start-up efficiency, adapts to the need for rapid start-up at low temperatures, and simplifies maintenance operations, reducing maintenance difficulty and cost.

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Abstract

The application relates to the technical field of automobile thermal management, in particular to a heating device which comprises a heater main body. Through the arrangement of a preheating compensation component, the circulating heating device can utilize the structure that a heat-conducting copper block penetrates into a liquid inlet pipe and is attached to a heating block to preheat the cooling liquid at the liquid inlet end, effectively compensates for the heat loss caused by the heat sink effect of the non-heat exchange area of the heater main body, avoids the problem of supercooling of the cooling liquid at the inlet end of the flow channel, and makes the cooling liquid enter the heating cavity after being uniformly heated in the circumferential direction by the surrounding arrangement of the heat-conducting copper block and the heating block. The secondary heating of the heating sheet makes the temperature distribution of the cooling liquid uniform, the preheating effect of the battery pack is consistent after being conveyed through a liquid outlet pipe, the charging and discharging performance of the battery is guaranteed, the limitation that the existing technology can only regulate and control the main heating element is broken through, the overall starting and heating efficiency of the heater is improved, and the low-temperature rapid starting demand of the parking heating is adapted.
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