A filling device for high-precision energy storage immersion liquid and a filling method thereof

By combining the design of the energy storage immersion liquid filling device with automation control, the problems of insufficient filling accuracy, easy introduction of air bubbles and low degree of automation of existing equipment have been solved, achieving high-precision and bubble-free filling effect, meeting the needs of high-precision energy storage equipment.

CN122324331APending Publication Date: 2026-07-03安徽巡鹰新能源集团有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
安徽巡鹰新能源集团有限公司
Filing Date
2026-04-29
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing energy storage immersion liquid filling equipment suffers from problems such as insufficient filling accuracy, easy introduction of air bubbles, low degree of automation, and poor adaptability, making it difficult to meet the requirements of high-precision energy storage equipment.

Method used

The system employs a combination design of oil storage tank, gear pump, defoaming chamber, flow stabilizing tank and needle valve. Combined with defoaming components, flow stabilizing components and PLC controller, it achieves precise filling and automated control through series conduits. It eliminates bubbles and stabilizes pressure, and uses temperature compensation and inert gas to maintain a slightly positive pressure environment to ensure filling quality.

Benefits of technology

It achieves high-precision filling accuracy of ±0.1%, with no air bubbles mixed in, a high degree of automation, adaptability to different ambient temperatures, and ensures the heat dissipation performance and operational stability of energy storage equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122324331A_ABST
    Figure CN122324331A_ABST
Patent Text Reader

Abstract

The application discloses a kind of filling device and filling method for high-precision energy storage immersed liquid, it is related to energy storage equipment filling technical field, to solve the problem of insufficient precision of existing filling equipment, easy to introduce bubble and low degree of automation.The device includes sequentially connected oil storage tank, gear pump, defoaming chamber, steady flow tank and needle valve, needle valve is sealedly connected with the cooling system to be filled by quick-change connector;Defoaming chamber is built-in baffle and vacuum pump, for eliminating immersed liquid bubble;Steady flow tank is equipped with air bag and pressure regulating valve, absorbs gear pump pulsation to maintain constant pressure, overall realizes automatic operation by PLC controller.The filling method uses "first fast then slow" speed curve, combined with drop mode and pressure maintaining step to improve precision.The application filling precision is high, no bubble is mixed, degree of automation is high, can satisfy the strict requirement of high-precision energy storage equipment to immersed liquid filling, adapt to the scale production demand of energy storage cooling system.
Need to check novelty before this filing date? Find Prior Art