CN113865391A - 一种利用热管对直流充电桩进行非能动散热装置 - Google Patents

一种利用热管对直流充电桩进行非能动散热装置 Download PDF

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CN113865391A
CN113865391A CN202111065528.3A CN202111065528A CN113865391A CN 113865391 A CN113865391 A CN 113865391A CN 202111065528 A CN202111065528 A CN 202111065528A CN 113865391 A CN113865391 A CN 113865391A
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heat pipe
heat
section
gravity siphon
pipe
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吉言
程建杰
张泽波
程宏宏
朱焕
赵思哲
刘原宏
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Nanjing Tech University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

本发明是一种利用热管对直流充电桩进行非能动散热装置，属于电子元器件热管理领域，由均热板、重力虹吸式热管的绝热段、热管冷凝段三部分组成，其中热管冷凝段表面装有翅片。该装置利用利用热管的导热性和等温性将功率模块的热量导出至箱体外部。实现在非能动的情况下对直流充电桩的功率模块进行有效散热，避免因风冷散热而导致的散热能力不强、散热环境不稳定等问题，保证充电桩的正常高效运行。

Description

一种利用热管对直流充电桩进行非能动散热装置
技术领域
本发明涉及一种利用热管对直流充电桩进行非能动的散热装置，属于电子元器件热管理领域。
背景技术
随着新能源电动汽车的快速发展，充电桩作为电动汽车的基础充电设施也逐渐得到了普及，尤其是直流充电桩。作为直流充电桩的核心部分——高频开关整流功率模块，如何降低其内部元器件的温升，控制温度不超过额定工作温度，保证其应用于直流充电桩中后能长期正常可靠稳定运行的问题更是不容忽视。功率模块的电子器件发热量都很大，仅依靠目前市场采用的强迫风冷散热，其散热能力不强，且散热环境不稳定，可靠性低。因此，研制一种能够高效散热，且可靠性高的非能动散热装置变得越来越迫切。
本发明包含均热板、重力虹吸式热管的绝热段、热管冷凝段三部分。重力虹吸热管绝热管的一端与均热板连接，一段伸出于箱体外部，外部伸出段装有热管翅片用于强化散热，外部伸出部分即热管散热系统的冷凝段。均热板紧贴于功率模块表面，内充有工作液体，即热管散热系统的蒸发段。该系统利用热管的导热性和等温性将功率模块的热量导出至箱体外部。因此，该散热装置可以在非能动的情况下对功率模块进行散热以保证充电桩的正常高效运行。
发明内容
本发明提供一种利用热管对直流充电桩进行非能动散热装置，其中包括均热板(1)、重力虹吸式热管的绝热段(2)、热管散热系统的冷凝段(3)、翅片(4)。
本发明的技术解决方案：散热装置由均热板(1)、重力虹吸式热管的绝热段(2)、热管散热系统的冷凝段(3)三部分组成。其中重力虹吸热管的绝热段(2)的一段与均热板(1)连接，一段伸出于箱体外部，外部伸出段即冷凝段(3)装有热管翅片(4)。均热板(1)内充有工作液体，即热管散热器系统的蒸发段。当充电桩功率模块表面温度升高时，贴在功率模块表面的均热板(1)内充入的工作液体蒸发，蒸汽随着重力虹吸式热管的绝热段(2)流入伸于箱体外部的冷凝段，冷凝段(3)装有热管翅片(4)增大与外部空气的接触面积，强化散热。由于箱体外部温度较低，蒸汽冷凝成为工作液体被重力虹吸式热管的绝热段(2)壁内侧的毛细组织重新回流至均热板(1)中。
本发明的有益效果是：利用热管式散热器系统能够在保证充电桩高效、安全、稳定工作的前提下，控制充电桩自身温度时刻维持在规定热点以内，并且实现非能动散热。有效的避免了因风冷散热而导致的散热能力低，散热环境不稳定等问题。
附图说明
图1是本发明的系统原理图。
图1中标号的名称为：1、均热板；2、重力虹吸式热管的绝热段；3、热管散热系统的冷凝段；4、翅片；I、功率模块；II、散热装置。
图2是本发明的系统示意图。
图2中标号的名称为：1、均热板；2、重力虹吸式热管的绝热段；3、热管散热系统的冷凝段；4、翅片；I、功率模块；II、散热装置。
具体实施方式
如图1所示，一种利用热管对直流充电桩进行非能动散热装置，由均热板(1)、重力虹吸式热管的绝热段(2)、热管散热系统的冷凝段(3)、翅片(4)组成。
本散热装置包括均热板(1)、重力虹吸式热管的绝热段(2)、热管散热系统的冷凝段(3)三部分组成。其中重力虹吸热管的绝热段(2)的一段与均热板(1)连接，一段伸出于箱体外部，外部伸出段即冷凝段(3)装有热管翅片(4)，均热板(1)内充有工作液体。
本发明的工作过程如下：当充电桩功率模块表面温度升高时，贴在功率模块表面的均热板(1)内充入的工作液体蒸发，蒸汽随着重力虹吸式热管的绝热段(2)流入伸于箱体外部的冷凝段，冷凝段(3)装有热管翅片(4)增大与外部空气的接触面积，强化散热。由于箱体外部温度较低，蒸汽冷凝成为工作液体被重力虹吸式热管的绝热段(2)壁内侧的毛细组织重新回流至均热板(1)中，实现非能动式散热。

Claims (4)

1.一种利用热管对直流充电桩进行非能动散热装置，其特征在于：
由均热板(1)、重力虹吸式热管的绝热段(2)、热管散热系统的冷凝段(3)、翅片(4)组成；
本散热装置包括散热装置由均热板(1)、重力虹吸式热管的绝热段(2)、管散热系统的冷凝段(3)和翅片(4)。其中重力虹吸热管的绝热段(2)的一段与均热板(1)连接，一段伸出于箱体外部，外部伸出段即冷凝段(3)装有热管翅片(4)。均热板(1)内充有工作液体，即热管散热器系统的蒸发段。当充电桩功率模块表面温度升高时，贴在功率模块表面的均热板(1)内充入的工作液体蒸发，蒸汽随着重力虹吸式热管的绝热段(2)流入伸于箱体外部的冷凝段，冷凝段(3)装有热管翅片(4)增大与外部空气的接触面积，强化散热。由于箱体外部温度较低，蒸汽冷凝成为工作液体被重力虹吸式热管的绝热段(2)壁内侧的毛细组织重新回流至均热板(1)中。
2.根据权利要求1所述的一种利用热管对直流充电桩进行非能动散热装置，其特征在于：
所述的均热板(1)为热管散热系统的蒸发段，其形状能够贴合功率模块，内充有工作液体。它的一端与重力虹吸式热管的绝热段(2)相连。
3.根据权利要求1所述的一种利用热管对直流充电桩进行非能动散热装置，其特征在于：
所述的重力虹吸式热管的绝热段(2)用于输送汽化后的工作液体至冷凝段，其壁内侧具有毛细组织来吸收回流液体。它的一端与均热板(1)相连，另一端与冷凝段(3)相连。
4.根据权利要求1所述的一种利用热管对直流充电桩进行非能动散热装置，其特征在于：
所述的热管散热系统的冷凝段(3)伸出于箱体外部，表面装有翅片(4)用于强化散热。它的一端与重力虹吸式热管的绝热段(2)相连。
CN202111065528.3A 2021-09-10 2021-09-10 一种利用热管对直流充电桩进行非能动散热装置 Pending CN113865391A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114739214A (zh) * 2022-04-29 2022-07-12 华为数字能源技术有限公司 功率主机及功率供应系统
DE202022105609U1 (de) 2022-10-04 2024-01-09 Joysonquin Automotive Systems Gmbh Ladestation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114739214A (zh) * 2022-04-29 2022-07-12 华为数字能源技术有限公司 功率主机及功率供应系统
DE202022105609U1 (de) 2022-10-04 2024-01-09 Joysonquin Automotive Systems Gmbh Ladestation
WO2024074326A1 (de) 2022-10-04 2024-04-11 Joysonquin Automotive Systems Gmbh Ladestation

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