Heating pipeline of warm air water tank

By introducing heating fluid from the battery cooling circuit into the heater core, the heating of the heater core is accelerated by utilizing the battery cooling circuit, thus solving the problem of slow heating speed in new energy vehicles and achieving rapid heating and reduced energy consumption.

CN224447400UActive Publication Date: 2026-07-03BEIJING AUTOMOBILE WORKS CO LTD
0 Cites 0 Cited by

Patent Information

Application Number
CN202521341182.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2026-07-03
Estimated Expiration
2035-06-27

AI Technical Summary

Technical Problem

New energy vehicles have slow heating speeds due to insufficient PTC power, resulting in slower heating compared to gasoline vehicles. Additionally, PTC hardware installation is difficult, and there are issues with excessively high voltage.

Method used

Design a heater core heating pipeline, including a PTC heater core heating circuit, a battery cooling circuit and an engine cooling circuit. By introducing the heated coolant from the battery cooling circuit into the heater core, the heater in the battery cooling circuit is used to accelerate the heating of the heater core.

Benefits of technology

It accelerates the heating speed of the heater core, improves the heating speed of new energy vehicles, reduces energy consumption, and solves the problem of slow heating speed caused by the low power of the PTC heater.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model discloses a heating pipeline of a warm air water tank, and belongs to the technical field of automobiles. The problem that in the prior art, a new energy automobile is low in heating speed is solved. The system mainly comprises a PTC water tank heating loop and a battery cooling loop, a PTC heater, a first water pump, a second three-way valve, a third three-way valve, a warm air water tank and a first temperature sensor are arranged in the PTC water tank heating loop, and a heat exchanger, a battery cooling water tank, a second water pump, a battery, a first three-way valve and a second temperature sensor are arranged in the battery cooling loop. The battery cooling loop is connected with a first three-way valve through an eighth branch pipe at one end of the battery, the first three-way valve is connected with a battery cooling water tank and a warm air water tank through a first branch pipe and a second branch pipe respectively, and the warm air water tank and the battery cooling water tank are connected with a second three-way valve through a third branch pipe and a fourth branch pipe respectively; and the third three-way valve is connected with the warm air water tank and the battery cooling water tank through a fifth branch pipe and a sixth branch pipe respectively.
Need to check novelty before this filing date? Find Prior Art