CN107271117A - 一种煮水加热容器的检漏设备及其检漏方法 - Google Patents

一种煮水加热容器的检漏设备及其检漏方法 Download PDF

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Publication number
CN107271117A
CN107271117A CN201610219096.XA CN201610219096A CN107271117A CN 107271117 A CN107271117 A CN 107271117A CN 201610219096 A CN201610219096 A CN 201610219096A CN 107271117 A CN107271117 A CN 107271117A
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water heating
heating vessels
boil
test plant
boiling water
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周飞
林建江
杨立锋
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SAINA ELECTROTHERMAL APPLIANCE CO Ltd NINGBO
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SAINA ELECTROTHERMAL APPLIANCE CO Ltd NINGBO
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Publication of CN107271117A publication Critical patent/CN107271117A/zh
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3209Details, e.g. container closure devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3272Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/34Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

本发明公开了一种煮水加热容器的检漏设备及其检漏方法,包括用于放置煮水加热容器的定位工装,包括一个真空计和一个将所述煮水加热容器抽成真空的抽真空装置,在所述煮水加热容器的各个密封孔上依次设有吸盘、压缩弹簧和阻挡板,所述压缩弹簧的一端顶靠吸盘,所述压缩弹簧的另一端顶靠阻挡板。本发明通过将煮水加热容器内部抽真空的方式检测煮水加热容器的气密性,提高检测的可靠性。

Description

一种煮水加热容器的检漏设备及其检漏方法
技术领域
本发明涉及一种煮水加热容器的检漏设备及其检漏方法。
背景技术
煮水加热容器在实际生产过程中,需要对其进行气密性测试。目前行业中通常是将五金杯身放置在定位工装上,采用较大的外力,通常是气缸推动密封体将煮水加热容器的密封孔密闭。从外部煮水加热容器内通入压缩空气,标准普遍是0.1MPa。然后再保压数秒,通过连接煮水加热容器内部的设备检测压力变化范围来判定煮水加热容器是否气密性良好。但这样的检测方法具有如下缺点:1、需采用较大的外力来密闭容器,特别是密封孔处,这样极易导致煮水加热容器杯身变形而影响外观;2、煮水加热容器杯身与设在杯身上的铝板、发热管采用钎焊连接,通常外力作用在煮水加热容器杯身上,而煮水加热容器杯身受到较大外力形变,易导致铝板与杯身底部开裂,杯身与铝板材质不一,弹性模量不同,受较大力后变形程度不同,会破坏焊层,导致杯身与铝板铝管脱开;3、煮水加热容器杯身成形过程中,按工艺不同,有直接圆片料拉伸,有管料拉伸,管料拉伸工艺底部需氩焊一圆片料,按此工艺加工成型的煮水加热容器底部与侧面存在焊缝,按上述方法测试气密性过程中存在外力将焊缝压实,使得原本焊缝处可能存在的微小缺陷被掩盖,影响气密性结果;4、该检漏装置结构复杂,布置位置需气源。
发明内容
针对现有技术中的不足,本发明提供一种煮水加热容器的检漏设备及其检漏方法。
本发明通过以下技术方案实现。一种煮水加热容器的检漏设备,包括用于放置煮水加热容器的定位工装,包括一个真空计和一个将所述煮水加热容器抽成真空的抽真空装置,在所述煮水加热容器的各个密封孔上依次设有吸盘、压缩弹簧和阻挡板,所述压缩弹簧的一端顶靠吸盘,所述压缩弹簧的另一端顶靠阻挡板。
作为本发明的进一步改进,所述压缩弹簧套设在一根定位杆上。
作为本发明的进一步改进,所述吸盘优选风箱型结构。
一种使用上述的检漏设备进行检测的检漏方法,其步骤如下:首先将煮水加热容器放在定位工装上,让吸盘紧贴煮水加热容器上的密封孔,然后用抽真空装置将煮水加热容器内抽成真空,持续1—3分钟后观察真空计上的读数变化来判断煮水加热容器的密封性。
与现有技术相比,本发明具有如下优点:1、抽真空就煮水加热容器的表面受力均匀(0.1MPa),不存在局部受力过大而导致产品塑性变形影响外观;2、煮水加热容器杯身焊接处充分与大气接触,避免焊缝处微小的缺陷被掩盖;3、密封件采用风箱型结构吸盘,这样不仅可以密封平面上的密封孔,亦可密封曲面上的密封孔;4、压缩弹簧的弹力将吸盘与密封孔贴合,使得抽真空过程中吸盘能密封住密封孔而无需借助其他外力;5、结构简单,无需设置单独气源。
附图说明
图1是本发明的结构示意图。
具体实施方式
下面结合附图与具体实施方式,对本发明作进一步描述。如图1所示,一种煮水加热容器的检漏设备,包括用于放置煮水加热容器1的定位工装2,包括一个真空计7和一个将所述煮水加热容器1抽成真空的抽真空装置8。在所述煮水加热容器1的各个密封孔6上依次设有吸盘3、压缩弹簧4和阻挡板9,所述压缩弹簧4的一端顶靠吸盘3,所述压缩弹簧4的另一端顶靠阻挡板9。压缩弹簧4的弹力将吸盘3与密封孔6贴合,使得抽真空过程中吸盘3能密封住密封孔6而无需借助其他外力。
所述压缩弹簧4套设在一根定位杆5上,防止压缩弹簧4错位。
所述吸盘3优选风箱型结构,这样不仅可以密封平面上的密封孔,亦可密封曲面上的密封孔。
一种使用如权利要求1所述的检漏设备进行检测的检漏方法,其步骤如下:首先将煮水加热容器1放在定位工装2上,让吸盘3紧贴煮水加热容器1上的密封孔6,然后用抽真空装置8将煮水加热容器1内抽成真空,持续1—3分钟后观察真空计7上的读数变化来判断煮水加热容器1的密封性。

Claims (4)

1.一种煮水加热容器的检漏设备,包括用于放置煮水加热容器(1)的定位工装(2),其特征在于:包括一个真空计(7)和一个将所述煮水加热容器(1)抽成真空的抽真空装置(8),在所述煮水加热容器(1)的各个密封孔(6)上依次设有吸盘(3)、压缩弹簧(4)和阻挡板(9),所述压缩弹簧(4)的一端顶靠吸盘(3),所述压缩弹簧(4)的另一端顶靠阻挡板(9)。
2.如权利要求1所述的一种煮水加热容器的检漏设备,其特征在于:所述压缩弹簧(4)套设在一根定位杆(5)上。
3.如权利要求1所述的一种煮水加热容器的检漏设备,其特征在于:所述吸盘(3)优选风箱型结构。
4.一种使用如权利要求1所述的检漏设备进行检测的检漏方法,其步骤如下:首先将煮水加热容器(1)放在定位工装(2)上,让吸盘(3)紧贴煮水加热容器(1)上的密封孔(6),然后用抽真空装置(8)将煮水加热容器(1)内抽成真空,持续1—3分钟后观察真空计(7)上的读数变化来判断煮水加热容器(1)的密封性。
CN201610219096.XA 2016-04-08 2016-04-08 一种煮水加热容器的检漏设备及其检漏方法 Pending CN107271117A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111024335A (zh) * 2019-12-30 2020-04-17 中核兰州铀浓缩有限公司 容器真空试验用静态升压冷冻测量装置及方法

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CN101893503A (zh) * 2009-05-22 2010-11-24 神讯电脑(昆山)有限公司 真空测试机构
CN103775643A (zh) * 2014-01-15 2014-05-07 广西科技大学 带便捷装卸盖的密封装置及其密封方法
CN204008045U (zh) * 2014-07-02 2014-12-10 深圳市优特利电源有限公司 一种电池气密性检测装置
CN104374528A (zh) * 2013-09-23 2015-02-25 中国科学院合肥物质科学研究院 一种便携式真空检漏仪

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Publication number Priority date Publication date Assignee Title
CN2048843U (zh) * 1987-10-12 1989-12-06 四国化工机株式会社 盖子的密封不良检测装置
CN101059390A (zh) * 2007-06-01 2007-10-24 山东丽鹏包装有限公司 瓶盖密封测试器
CN101893503A (zh) * 2009-05-22 2010-11-24 神讯电脑(昆山)有限公司 真空测试机构
CN104374528A (zh) * 2013-09-23 2015-02-25 中国科学院合肥物质科学研究院 一种便携式真空检漏仪
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CN204008045U (zh) * 2014-07-02 2014-12-10 深圳市优特利电源有限公司 一种电池气密性检测装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111024335A (zh) * 2019-12-30 2020-04-17 中核兰州铀浓缩有限公司 容器真空试验用静态升压冷冻测量装置及方法

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