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HEV cooling system and its control method

A cooling system and coolant technology, applied in the control of coolant flow, liquid cooling, engine cooling, etc., can solve the problem that HEV cannot drive

Active Publication Date: 2020-05-19
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, since the shift synchronizer is not controlled when the output of the motor is not performed, the HEV may not be able to run
[0006] Therefore, when the HEV system is overheated due to the lack of coolant in the HEV cooling circuit in the related art, the output of the drive motor and the inverter is limited or suppressed, thereby causing the synchronizer of the AMT to not be controlled, so that the HEV may not run

Method used

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  • HEV cooling system and its control method
  • HEV cooling system and its control method
  • HEV cooling system and its control method

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Embodiment approach

[0025] figure 1 is a block diagram showing an HEV cooling system according to an embodiment of the present invention. refer to figure 1 , The HEV cooling system according to the embodiment of the present invention includes an engine cooling circuit 10 , an HEV cooling circuit 20 , and a connector 30 . In certain embodiments, the HEV cooling system may also include a hybrid control unit (HCU) 40 .

[0026] The engine cooling circuit 10 serves to cool the coolant through the engine heat exchanger 12 and circulate the cooled coolant using the engine water pump 14 , thereby cooling the engine 11 .

[0027] The engine cooling circuit 10 includes an engine storage tank 13 for temporarily storing coolant cooled by the engine heat exchanger 12 and replenishing insufficient coolant through a circulation path of the engine cooling circuit 10 .

[0028] The engine storage tank 13 includes an engine coolant amount detection sensor 15 capable of detecting the amount of coolant stored in...

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Abstract

The invention discloses an HEV cooling system and a control method thereof. The HEV cooling system includes: an engine cooling circuit configured to cool the engine by circulating coolant cooled by an engine heat exchanger using an engine water pump. An engine storage tank configured to temporarily store coolant cooled by the engine heat exchanger and replenish insufficient coolant. The HEV cooling circuit is configured to cool the inverter and the motor by circulating coolant cooled by the HEV heat exchanger using the HEV water pump. The HEV storage tank is configured to temporarily store coolant cooled by the HEV heat exchanger and replenish insufficient coolant. A connector configured to intermittently connect the engine cooling circuit to the HEV cooling circuit. The engine coolant amount detection sensor and the HEV coolant amount detection sensor are configured to detect the amount of coolant stored in the engine and the HEV storage tank, respectively.

Description

[0001] Cross References to Related Applications [0002] This application claims Korean Patent Application No. 10-2014-0166277 filed on Nov. 26, 2014, which is hereby incorporated by reference in its entirety. technical field [0003] Exemplary embodiments of the present invention relate to an HEV cooling system and a control method thereof; and more particularly, to an HEV cooling system and a control method thereof that supply coolant in an engine cooling circuit to the HEV cooling circuit such that when the HEV system When there is insufficient coolant in the HEV system, the HEV system will not overheat. Background technique [0004] In recent years, HEVs (Hybrid Electric Vehicles), developed for the purpose of protecting the environment and improving performance, have been widely used. The HEV is equipped with two drive sources, such as an engine and a motor, and an inverter that converts direct current of a secondary battery into alternating current to supply the alter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K11/02
CPCF01P3/20F01P7/165F01P2050/24B60K6/00B60K6/22B60K8/00B60K11/02F01P11/18Y02T10/70
Inventor 韩京洙
Owner HYUNDAI MOTOR CO LTD