Ccf heater core assembly

A heater core and component technology, applied to indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., can solve problems such as mileage/charging reduction, battery power consumption, leakage, etc., to reduce battery power consumption, Effect of improving mileage/charging

Pending Publication Date: 2022-02-11
普拉纳夫维卡斯(印度)私人有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, electric heaters / PTC heaters are used for cabin heating because conventional I-type and U-type heater cores are used to create such a high temperature difference with a small ITD (water inlet temperature - air inlet temperature) and higher thermal performance will become oversized
However, when using EV thermal management systems or HVAC loops, electric heaters / PTC heaters will rapidly drain battery power and result in reduced EV range / charging in winter conditions
Also, the general trend is to use oval tubes in traditional heater core I or U flow, thus requiring two-piece header tank assemblies such as Figure 5b As shown in , so the number of brazed / welded joints increases and leaks occur

Method used

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  • Ccf heater core assembly
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Embodiments of the inventive subject matter will be described in detail below with reference to the accompanying drawings. However, the subject matter of the present invention is not limited to the Examples, which are provided to explain the subject matter of the present invention more clearly to those having ordinary skill in the field of the present invention. In the drawings, the same reference numerals are used to denote the same components.

[0028] figure 1 A perspective view of a CCF heater core assembly (10) for an electric vehicle is shown, wherein the heater core assembly (10) is a cross-counterflow (CCF) heater core assembly, according to an embodiment of the inventive subject matter. The CCF heater core assembly (10) includes a core (12) comprising a plurality of fins (16) and a plurality of microtubes (13A, 13B) stacked in a plurality of vertical rows (15) , wherein a plurality of fins (16) are arranged between each row (15). The ends of each microtube ...

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PUM

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Abstract

A heater core assembly (10) comprising: a core (12) comprising a plurality of micro-tubes (13A, 13B), the plurality of micro-tubes (13A, 13B) being stacked in horizontal rows (15) between at least two headers (18) by inserting ends of each of the micro-tubes (13A,13B) into slots (42A, 42B) provided in the headers (18); a partition plate (30) disposed vertically in each of header (18) to define two vertical chambers (18A, 18B); wherein each of the horizontal rows (15) include at least one first micro-tube (13A) inserted in the first chamber (18A) and at least second micro-tube (13B) inserted in the second chamber (18B) to enable flow of the coolant in the core assembly (10).

Description

technical field [0001] The present subject matter generally relates to a heater core assembly for an automotive HVAC system, and more particularly to a heater core assembly for electric vehicle thermal management or HVAC systems based on two rows of single extruded microchannels. Background technique [0002] Generally speaking, the primary function of a heater core assembly is to use the battery's hot coolant as a heat source, typically providing residual heat from an EV battery to the passenger compartment. The battery transfers heat to the coolant, which in turn passes through a heat exchanger in the HVAC loop and picks up additional refrigerant heat between the compressor and condenser. This hot coolant transfers this heat to the passenger compartment through the heater core assembly. The cooled coolant flows back into the battery to keep it warm. In electric vehicle thermal management or HVAC systems, there is a lower heat transfer coefficient on the coolant side due ...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): F28D7/16F28D1/053
CPCF28D1/05391F28D2021/0091F28D2021/0096F28F2260/02F28F9/0207F28F2250/108F28F2250/102H01M10/663F28F1/025F28F1/022H01M10/613H01M10/625H01M10/6556H01M2220/20Y02E60/10F28F1/126
Inventor山本祐司S·乔拉赫曼舒K·班赛尔R·H·科恩N·瓦希施特A·库玛V·艾斯D·戈文达拉杰K·斯里尼瓦斯
Owner普拉纳夫维卡斯(印度)私人有限公司