CN112706632A - 充电机柜体的密封结构 - Google Patents

充电机柜体的密封结构 Download PDF

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CN112706632A
CN112706632A CN202011531855.9A CN202011531855A CN112706632A CN 112706632 A CN112706632 A CN 112706632A CN 202011531855 A CN202011531855 A CN 202011531855A CN 112706632 A CN112706632 A CN 112706632A
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李竹可
黄超
尚前博
朱云鹏
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CRRC Yongji Electric Co Ltd
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    • 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
    • B60L53/20—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 characterised by converters located in the vehicle
    • 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
    • B60L53/20—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 characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • 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
    • B60L53/20—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 characterised by converters located in the vehicle
    • B60L53/24—Using the vehicle's propulsion converter for charging
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    • H—ELECTRICITY
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    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
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    • 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
    • Y02T90/14—Plug-in electric vehicles

Abstract

本发明涉及充电机柜体，尤其涉及充电机柜体的密封，具体为充电机柜体的密封结构。柜体顶部开口需要盖平面盖板，柜体顶部开口处有围绕开口一圈的框型台面，在框型台面上焊接2mm厚的框型不锈钢板，做隔离和压缩限高台，在框型台面上框型不锈钢板的外圈套有框型实心屏蔽橡胶，在框型台面上框型实心屏蔽橡胶的外圈套有矩形密封条，平面盖板焊接在框型不锈钢板上方，框型实心屏蔽橡胶、矩形密封条与平面盖板粘接，发明采用2mm框型不锈钢板+2.5mm实心屏蔽橡胶+3mm矩形密封条+平面盖板密封。本发明采用平面双密封条结构，结构简单，满意IP防护要求，成本低。

Description

充电机柜体的密封结构
技术领域
本发明涉及充电机柜体，尤其涉及充电机柜体的密封，具体为充电机柜体的密封结构。
背景技术
充电机为混合动力调车机车动力蓄电池充放电装置，用于实现向动力蓄电池充电和由动力蓄电池向整车放电功能。原充电机多安装于车体内或车架下部，空间宽裕，通常用成熟的、通用的柜体改装，使用成熟的密封屏蔽结构。密封结构既要满足充电机柜体户外使用环境要求，同时又要满足局部高频电压变换区与低压控制区的电磁隔离。
现充电机安装在车体中上部，并且直接裸露在外部环境中，充电机柜体为一个300（高）×960（宽）×1400（长）mm的紧凑箱体，因此一方面需要满足紧凑的箱体，同时又要满足苛刻的环境要求和电磁屏蔽技术要求。传统的充电机柜体采用开槽压导电橡胶屏蔽密封方案，其缺点是：1）需要柜体开槽，对于钣金结构的充电机柜体来说，开槽设计、工艺和制造都比较复杂。2）充电机柜体高度空间非常紧张，不适合开槽+导电橡胶密封结构。3）生产成本较高，密封橡胶不通用。4）防护能力较差，不适合充电机IP55的防护等级要求。传统的充电机柜体采用常用的柜体门密封结构，其缺点是：1）密封结构复杂，占用空间大，不适合3000马力的充电机柜体。2）电磁屏蔽密封橡胶条需要特殊定制，成本高。
发明内容
针对传统的充电机柜体密封结构不满足使用要求的问题，本发明提供了充电机柜体的密封结构。
本发明是采用如下的技术方案实现的：充电机柜体的密封结构，选用平面搭台密封结构。
上述的充电机柜体的密封结构，柜体顶部开口处的框型台面上固定框型不锈钢板，在框型台面上框型不锈钢板的外圈套有框型实心屏蔽橡胶，在框型台面上框型实心屏蔽橡胶的外圈还套有矩形密封条，平面盖板固定在框型不锈钢板上方，框型实心屏蔽橡胶、矩形密封条与平面盖板固定。
上述的充电机柜体的密封结构，框型实心屏蔽橡胶比框型不锈钢板厚0.5mm，矩形密封条比框型实心屏蔽橡胶厚0.5mm；框型不锈钢板作为隔离和压缩限高台，在与平面盖板固定后，框型不锈钢板外圈的框型实心屏蔽橡胶、矩形密封条被平面盖板压缩、限高，增加了框型实心屏蔽橡胶、矩形密封条密封效果。
上述的充电机柜体的密封结构，框型实心屏蔽橡胶的基材为硅橡胶，矩形密封条的基材为EPDM。
上述的充电机柜体的密封结构，平面盖板选2mm厚不锈钢板，顶部喷漆处理，底部金属裸露；平面盖板底部和框型不锈钢板焊接固定。
上述的充电机柜体的密封结构，框型实心屏蔽橡胶、矩形密封条都单面背胶，框型实心屏蔽橡胶、矩形密封条都和平面盖板底部粘接。
本发明技术方案带来的有益效果：
1）提高现使用的EV0320密封条的使用率，降低维护使用费用；
2）选用结构简单的矩形实心屏蔽橡胶，为该型密封条统型使用奠定基础。
3）平面双密封条结构，结构简单，满意IP防护要求，成本低。
附图说明
图1为本发明充电机柜体俯视图。
图2为图1的局部放大图。
图3为本发明充电机柜体正视图。
图4为图3的局部放大图。
图5为柜体加平面盖板示意图。
图6为柜体加平面盖板后的示意图。
图中：1-柜体，2-矩形密封条，3-框型实心屏蔽橡胶，4-框型不锈钢板，5-平面盖板。
具体实施方式
为最大限度解决密封结构占用高度空间问题，本密封结构选用平面搭台密封结构。
柜体顶部开口需要盖平面盖板5，柜体顶部开口处有围绕开口一圈的框型台面，在框型台面上焊接2mm厚的框型不锈钢板4，做隔离和压缩限高台，在框型台面上框型不锈钢板的外圈套有框型实心屏蔽橡胶3，在框型台面上框型实心屏蔽橡胶的外圈套有矩形密封条2，平面盖板5焊接在框型不锈钢板上方，框型实心屏蔽橡胶3、矩形密封条2与平面盖板5粘接，发明采用2mm框型不锈钢板+2.5mm实心屏蔽橡胶+3mm矩形密封条+平面盖板5密封。
具体实施例
1）充电机柜体顶部框型台面内侧焊接2mm厚框型不锈钢板4，后再给箱体喷漆，喷漆时框型不锈钢板表面保护处理，保持表面清洁，具有良好的导电性。
2）设计2.5mm厚的框型实心屏蔽橡胶3，设计参数见表1。
表1：框型实心屏蔽橡胶设计参数表
Figure 267849DEST_PATH_IMAGE002
3）选用充电机常用3mm厚矩形密封条2，规格型号EV0320，设计参数见表2。
表2：矩形密封条设计参数表
基材 EPDM 硬度 30 Shore C
颜色 黑 压缩永久变形率 ＞50%
工作温度 -55~120（℃） 使用压缩变形率 33.3%
特殊要求 单面背胶 尺寸 W:20mm;T:3mm;
4）盖板设计，选2mm厚不锈钢板，顶部喷漆处理，底部金属裸露。
5）装配，框型实心屏蔽橡胶紧贴框型不锈钢板外侧粘接，矩形密封条粘于外侧，顶部盖板压实，螺栓紧固或焊接即可。

Claims (6)

1.充电机柜体的密封结构，其特征在于：选用平面搭台密封结构。
2.根据权利要求1所述的充电机柜体的密封结构，其特征在于：柜体顶部开口处的框型台面上固定框型不锈钢板（4），在框型台面上框型不锈钢板的外圈套有框型实心屏蔽橡胶（3），在框型台面上框型实心屏蔽橡胶的外圈还套有矩形密封条（2），平面盖板（5）固定在框型不锈钢板（4）上方，框型实心屏蔽橡胶（3）、矩形密封条（2）与平面盖板（5）固定。
3.根据权利要求2所述的充电机柜体的密封结构，其特征在于：框型实心屏蔽橡胶（3）比框型不锈钢板（4）厚0.5mm，矩形密封条（2）比框型实心屏蔽橡胶（3）厚0.5mm。
4.根据权利要求2或3所述的充电机柜体的密封结构，其特征在于：框型实心屏蔽橡胶（3）的基材为硅橡胶，矩形密封条（2）的基材为EPDM。
5.根据权利要求3所述的充电机柜体的密封结构，其特征在于：平面盖板（5）选2mm厚不锈钢板，顶部喷漆处理，底部金属裸露；平面盖板（5）底部和框型不锈钢板（4）焊接固定。
6.根据权利要求5所述的充电机柜体的密封结构，其特征在于：框型实心屏蔽橡胶（3）、矩形密封条（2）都单面背胶，框型实心屏蔽橡胶（3）、矩形密封条（2）都和平面盖板底部粘接。
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EP3668288A1 (fr) * 2018-12-14 2020-06-17 Valeo Siemens eAutomotive France SAS Dispositif électrique comprenant un film isolant

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Application publication date: 20210427