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Charging pile system and using method thereof

A charging pile system and charging pile technology, applied in charging stations, electric vehicle charging technology, circuits, etc., can solve the problems of reduced charging speed, prolonged charging time, and the inability of the on-board cooling system to effectively meet the needs of battery cooling.

Inactive Publication Date: 2018-04-20
雅凯热能技术(江苏)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing on-board cooling system cannot effectively meet the needs of battery cooling during battery charging, resulting in a decrease in charging speed and prolonged charging time

Method used

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  • Charging pile system and using method thereof
  • Charging pile system and using method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Such as figure 1 As shown, when the charging pile system is charging the electric vehicle, the charging pile is connected to the battery of the electric vehicle to charge the battery of the electric vehicle; the quick connection device of the refrigeration system is connected to the water-water heat exchange of the electric vehicle on-board chiller device, the cooling medium of the refrigeration system is fresh water. The refrigeration system of the charging pile system is started, the water pump is running, and the gas is discharged, and then the chiller is operated to control the feed water temperature at 5-10°C, and the water pump of the on-board chiller is running. The temperature is stable at around 30°C. After charging, disconnect the connection between the charging pile and the battery of the electric vehicle; start the air replacement device of the refrigeration system, press the fresh water from the water-to-water heat exchanger back to the refrigeration syste...

Embodiment 2

[0023] The difference from Embodiment 1 is that the cooling medium of the refrigeration system is antifreeze, which mainly deals with the cooling of the battery of the electric vehicle when the ambient temperature is low when the electric vehicle is charged. The charging pile is connected to the battery of the electric vehicle to charge the battery of the electric vehicle; the quick connection device of the refrigeration system is connected to the water-water heat exchanger of the on-board chiller of the electric vehicle, the refrigeration system of the charging pile system is started, and the water pump is running. Discharge the gas, then run the chiller, control the temperature of the antifreeze at 5-10°C, and run the water pump of the on-board chiller. The cooling capacity mainly comes from the water-to-water heat exchanger to ensure that the temperature of the battery is stable at around 30°C. After charging, disconnect the connection between the charging pile and the elect...

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Abstract

The invention relates to a charging pile system and a using method thereof. The charging pile system comprises a charging pile and a refrigeration system. The charging pile is used for charging an electric vehicle. The refrigeration system provides a circulating cooling medium to a water-water heat exchanger in an onboard cooling system of the electric vehicle. Through the water-water heat exchanger, the temperature of a coolant in the onboard cooling system is reduced, the cooling capacity of the onboard cooling system is increased, a battery of the electric vehicle is ensured to be in a goodworking state, and thus the charging speed of the battery is ensured.

Description

technical field [0001] The invention relates to the technical field of charging piles, in particular to a charging pile system and a method for using the same. Background technique [0002] When the charging pile is charging the electric vehicle battery, the battery will generate a lot of heat, especially during fast charging, the heat generated by the battery will increase exponentially. Based on safety and battery life considerations, the battery temperature should be kept at 25-35°C. Therefore, the battery cooling problem during battery charging becomes the main factor hindering the battery charging speed. However, the cooling capacity of the existing on-board cooling system is limited, which cannot meet the requirements for cooling the battery during the fast charging process, thereby reducing the charging speed of the fast charging. The invention provides a charging pile system, which can assist a vehicle-mounted cooling system to cool an electric vehicle battery and ...

Claims

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Application Information

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IPC IPC(8): B60L11/18H01M10/613H01M10/625H01M10/6568
CPCB60L53/31H01M10/613H01M10/625H01M10/6568Y02E60/10Y02T10/70Y02T10/7072Y02T90/12
Inventor 朱平
Owner 雅凯热能技术(江苏)有限公司
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