CN201146087Y - 新型过热短路型压敏电阻 - Google Patents

新型过热短路型压敏电阻 Download PDF

Info

Publication number
CN201146087Y
CN201146087Y CNU2008200428508U CN200820042850U CN201146087Y CN 201146087 Y CN201146087 Y CN 201146087Y CN U2008200428508 U CNU2008200428508 U CN U2008200428508U CN 200820042850 U CN200820042850 U CN 200820042850U CN 201146087 Y CN201146087 Y CN 201146087Y
Authority
CN
China
Prior art keywords
novel
piezotransistor
short circuit
utility
heatmeltable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008200428508U
Other languages
English (en)
Inventor
钦疾风
宋东健
孙绍语
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AIPUKESI ELECTRONIC ELEMENT (ZHUHAI BONDED AREA) Co Ltd
Original Assignee
AIPUKESI ELECTRONIC ELEMENT (ZHUHAI BONDED AREA) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AIPUKESI ELECTRONIC ELEMENT (ZHUHAI BONDED AREA) Co Ltd filed Critical AIPUKESI ELECTRONIC ELEMENT (ZHUHAI BONDED AREA) Co Ltd
Priority to CNU2008200428508U priority Critical patent/CN201146087Y/zh
Application granted granted Critical
Publication of CN201146087Y publication Critical patent/CN201146087Y/zh
Priority to US12/812,698 priority patent/US8274356B2/en
Priority to JP2010541684A priority patent/JP5256304B2/ja
Priority to PCT/CN2009/070145 priority patent/WO2009089799A1/zh
Priority to EP09703044.9A priority patent/EP2256750A4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/1006Thick film varistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/102Varistor boundary, e.g. surface layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Fuses (AREA)

Abstract

本实用新型涉及一种新型过热保护型压敏电阻。本实用新型要解决的技术问题是如何克服现有压敏电阻不安全、击毁后不易发现的缺陷,提供一种不易爆裂、不易起火、击毁后易于发现的新型过热保护型压敏电阻。本实用新型过热保护型压敏电阻包括瓷片,其正反两面分别设有金属化层,金属化层上焊有引出线,其特征在于:其还包括金属夹,该金属夹隔着热融性绝缘膜夹在瓷片上,其与银皮之间由热融性绝缘膜绝缘。热融性绝缘膜可以选用PP聚丙烯绝缘材料。本实用新型过热短路型压敏电阻具有结构简单、使用安全、不易爆裂、不易起火的优点,可作为各种电子和电器设备的过电压保护装置。

Description

新型过热短路型压敏电阻
技术领域
本实用新型涉及一种不易爆裂、不易起火的新型过热短路型压敏电阻。
背景技术
氧化锌压敏电阻是二十世纪七十年代发展起来的一种新型技术。压敏电阻有一定的开关电压(称为压敏电压),小于该电压时,压敏电阻阻值很大,相当于绝缘状态;受高压(大于压敏电压)冲击时,压敏电阻阻值很低,相当于短路状态。当高于压敏电压的电压撤销后,它又恢复了高阻状态。
电器设备上如安装氧化锌压敏电阻后,当有高于其额定工作电压的异常的过高电压施加在压敏电阻上时,异常的过高电压可能会使压敏电阻击穿,导致流经压敏电阻的电流过大,会使压敏电阻爆裂、起火,不利于其他电器设备的安全。
实用新型内容
本实用新型要解决的技术问题是如何克服现有压敏电阻的不安全,提供一种不易爆裂、不易起火的新型过热短路型压敏电阻。
为解决上述技术问题,本新型过热短路型压敏电阻包括瓷片,其正反两面分别设有金属化层,金属化层上焊有引出线,其特征在于:其还包括金属夹,该金属夹隔着热融性绝缘膜夹在瓷片上,并保持一定的压力,金属夹与金属化层之间由热融性绝缘膜绝缘。热融性绝缘膜可以选用聚丙烯绝缘材料等。
如此设计,当有高于其额定工作电压的异常的过高电压施加在压敏电阻上时,产生或积累的热量超过一定限度后,热融性绝缘膜融毁,金属夹直接接触金属化层,造成两个引出线之间短路,从而起到保护瓷片的作用,避免压敏电阻爆裂、起火,不会危及其他电器的安全。
本压敏电阻的热融性绝缘膜,在异常的过高电压施加在压敏电阻上而融毁后,金属夹直接接触金属化层,造成两个引出线之间短路,外部检测会发现在额定工作电压(小于压敏电压)下,压敏电阻的引出线之间的电压很低,很容易通过外部电路,自动检测出来,发出示警,便于人们及时发现、及时修复、及时更换压敏电阻。
作为优化,所述金属夹在与热融性绝缘膜接触的面上设有多个凸点。如此设计,可以保证热融性绝缘膜融毁时,金属夹的凸点能和金属垫片有效接触。
作为优化,所述凸点之间开有分离槽,该分离槽将金属夹前端分成多个金属条,所述凸点就设置在上述金属条的端部。如此设计,弹性更好。
作为优化,所述热融性绝缘膜与金属化层之间设有金属垫片。如此设计,增大了与金属化层的接触面积,同时也可以起到保护金属化层的作用。
本新型过热短路型压敏电阻具有结构简单、使用安全、不易爆裂、不易起火的优点,可作为各种电子和电器设备的过电压保护装置。
附图说明
下面结合附图对本新型过热短路型压敏电阻作进一步说明:
图1是本新型过热短路型压敏电阻的分解结构示意图;
图2是图1中金属夹的结构放大示意图;
图3是本新型压敏电阻实施方式二的结构示意图。
图中:1为瓷片、2为金属化层、3为引出线、4为金属夹、5为热融性绝缘膜、6为凸点(向热融性绝缘膜凸出)、7为分离槽、8为金属条、9为金属垫片。
具体实施方式
实施方式一:如图1所示,本新型过热短路型压敏电阻包括瓷片1,其正反两面分别设有金属化层2,金属化层2上焊有引出线3,其特征在于:其还包括金属夹4,该金属夹4隔着热融性绝缘膜5夹在瓷片上,金属夹4与金属化层2之间由热融性绝缘膜5绝缘。
如图2所示,所述金属夹4在与热融性绝缘膜5接触的面上设有3个凸点6。所述凸点6之间开有2个分离槽7,该分离槽7将金属片前端分成3个金属条8,所述凸点6就设置在金属条8的端部。所述热融性绝缘膜5与金属化层2之间设有金属垫片9。热融性绝缘膜5选用聚丙烯绝缘材料。金属化层2为银或铜。
实施方式二:如图3所示,瓷片1为是方形的,金属夹4端部只有两个凸点6,其余结构和部件与实施方式一相同。
当然,本实用新型还可以有其他变化,在本实用新型设计思路的基础上作出的任何等同方案均在本实用新型的保护范围内。

Claims (4)

1、一种新型过热短路型压敏电阻,包括瓷片,其正反两面分别设有金属化层,金属化层上焊有引出线,其特征在于:其还包括金属夹,该金属夹隔着热融性绝缘膜夹在瓷片上,金属夹与金属化层之间由热融性绝缘膜绝缘。
2、根据权利要求1所述的新型过热短路型压敏电阻,其特征在于:所述金属夹在与热融性绝缘膜接触的面上设有多个凸点。
3、根据权利要求2所述的新型过热短路型压敏电阻,其特征在于:所述金属夹上的凸点之间开有分离槽,该分离槽将金属夹前端分成多个金属条,所述凸点就设置在上述金属条的端部。
4、根据权利要求1或2或3所述的新型过热短路型压敏电阻,其特征在于:所述热融性绝缘膜与金属化层之间设有金属垫片。
CNU2008200428508U 2008-01-14 2008-01-14 新型过热短路型压敏电阻 Expired - Fee Related CN201146087Y (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CNU2008200428508U CN201146087Y (zh) 2008-01-14 2008-01-14 新型过热短路型压敏电阻
US12/812,698 US8274356B2 (en) 2008-01-14 2009-01-14 Voltage dependent resistor with overheated protection structure
JP2010541684A JP5256304B2 (ja) 2008-01-14 2009-01-14 新型の過熱保護式電圧依存性抵抗器
PCT/CN2009/070145 WO2009089799A1 (fr) 2008-01-14 2009-01-14 Nouvelle résistance tensio-dépendante avec structure de protection surchauffée
EP09703044.9A EP2256750A4 (en) 2008-01-14 2009-01-14 NEW SURFACE-RESISTANT RESISTANCE WITH OVERHEATED PROTECTION STRUCTURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200428508U CN201146087Y (zh) 2008-01-14 2008-01-14 新型过热短路型压敏电阻

Publications (1)

Publication Number Publication Date
CN201146087Y true CN201146087Y (zh) 2008-11-05

Family

ID=40082971

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200428508U Expired - Fee Related CN201146087Y (zh) 2008-01-14 2008-01-14 新型过热短路型压敏电阻

Country Status (5)

Country Link
US (1) US8274356B2 (zh)
EP (1) EP2256750A4 (zh)
JP (1) JP5256304B2 (zh)
CN (1) CN201146087Y (zh)
WO (1) WO2009089799A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009089799A1 (fr) * 2008-01-14 2009-07-23 Epcos (Zhuhai Ftz) Co., Ltd. Nouvelle résistance tensio-dépendante avec structure de protection surchauffée
CN106782955A (zh) * 2017-01-10 2017-05-31 广东百圳君耀电子有限公司 带过热保护的压敏电阻元件

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8659866B2 (en) 2010-08-27 2014-02-25 Cooper Technologies Company Compact transient voltage surge suppression device
US8699197B2 (en) * 2010-08-27 2014-04-15 Cooper Technologies Company Compact transient voltage surge suppression device
CN107424692A (zh) * 2016-10-14 2017-12-01 隆科电子(惠阳)有限公司 一种具有绝缘承载板结构的mov组件
CN115458261B (zh) * 2022-09-23 2024-05-03 昆山万盛电子有限公司 一种耐大冲击电流的压敏电阻器

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512403Y2 (zh) * 1974-08-20 1980-03-18
JPS5750721Y2 (zh) * 1978-06-01 1982-11-06
US4233641A (en) * 1979-04-06 1980-11-11 Reliable Electric Company Line protector for a communications circuit
US5130884A (en) * 1986-10-28 1992-07-14 Allina Edward F Parallel electrical surge-protective varistors
US5608596A (en) * 1990-10-16 1997-03-04 Cooper Power Systems, Inc. Surge arrester with spring clip assembly
JPH052178A (ja) * 1990-11-15 1993-01-08 Seiko Epson Corp 液晶表示装置の実装構造
JP3946285B2 (ja) * 1996-07-08 2007-07-18 株式会社ユポ・コーポレーション 電子写真用印刷紙
JPH1165470A (ja) * 1997-08-11 1999-03-05 Sumitomo Electric Ind Ltd バックライト用配線材
JP2001135502A (ja) * 1999-08-25 2001-05-18 Matsushita Electric Ind Co Ltd 電子部品
US6304166B1 (en) * 1999-09-22 2001-10-16 Harris Ireland Development Company, Ltd. Low profile mount for metal oxide varistor package and method
CN2535906Y (zh) 2002-04-01 2003-02-12 李炬 热保护型压敏电阻器
JP2004095609A (ja) * 2002-08-29 2004-03-25 Matsushita Electric Ind Co Ltd 外装被覆形バリスタ
JP2004327665A (ja) * 2003-04-24 2004-11-18 Mitsubishi Electric Corp 接地アース構造
DE102004037588A1 (de) 2004-08-03 2006-02-23 Epcos Ag Elektrisches Bauelement und Verfahren zur Herstellung eines elektrischen Bauelements
TW200719553A (en) * 2005-11-08 2007-05-16 Energetic Technology Three-layer stacked surge absorber and manufacturing method thereof
CN201036098Y (zh) 2006-12-14 2008-03-12 毛小毛 一种过热保护压敏电阻器
CN101202137B (zh) 2006-12-15 2010-06-16 兴勤(常州)电子有限公司 具有热保护功能的压敏电阻
CN201146087Y (zh) * 2008-01-14 2008-11-05 爱普科斯电子元器件(珠海保税区)有限公司 新型过热短路型压敏电阻

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009089799A1 (fr) * 2008-01-14 2009-07-23 Epcos (Zhuhai Ftz) Co., Ltd. Nouvelle résistance tensio-dépendante avec structure de protection surchauffée
EP2256750A1 (en) * 2008-01-14 2010-12-01 Epcos (zhuhai Ftz) Co., Ltd. New voltage dependent resistor with overheated protection structure
US8274356B2 (en) 2008-01-14 2012-09-25 Epcos (Zhuhai Ftz) Co., Ltd. Voltage dependent resistor with overheated protection structure
EP2256750A4 (en) * 2008-01-14 2014-06-11 Epcos Zhuhai Ftz Co Ltd NEW SURFACE-RESISTANT RESISTANCE WITH OVERHEATED PROTECTION STRUCTURE
CN106782955A (zh) * 2017-01-10 2017-05-31 广东百圳君耀电子有限公司 带过热保护的压敏电阻元件
CN106782955B (zh) * 2017-01-10 2018-08-17 广东百圳君耀电子有限公司 带过热保护的压敏电阻元件

Also Published As

Publication number Publication date
EP2256750A1 (en) 2010-12-01
US8274356B2 (en) 2012-09-25
US20110057763A1 (en) 2011-03-10
JP2011510485A (ja) 2011-03-31
WO2009089799A1 (fr) 2009-07-23
JP5256304B2 (ja) 2013-08-07
EP2256750A4 (en) 2014-06-11

Similar Documents

Publication Publication Date Title
CN201146087Y (zh) 新型过热短路型压敏电阻
CN104218553A (zh) 可抑制突波的过电流保护组件
CN103855698A (zh) 一种新型电涌保护器
CN107820632B (zh) 带有隔离放电器的变阻器
CN201215780Y (zh) 一种高压隔离开关的触头组件
CN106782955A (zh) 带过热保护的压敏电阻元件
CN203278068U (zh) 中置柜用熔断器手车
CN206370318U (zh) 带过热保护的压敏电阻元件
CN203039361U (zh) 一种适用于10/350μS雷电波的电涌保护器
CN102354964B (zh) 一种含有非固态导电体的突波吸收器
CN205212414U (zh) 采用由隔爆外壳保护的整体防爆浪涌保护器
CN209561114U (zh) 带后备保护间隙的避雷器
CN204905851U (zh) 一种带失效保护的电源防雷器
CN203086126U (zh) 一种新型电涌保护器
CN102082427A (zh) 一种压敏芯片串石墨片的电涌保护器
CN202332751U (zh) 一种包括新型脱扣指示装置的智能电涌保护器
CN201466707U (zh) 一种信号浪涌保护器
CN103236381B (zh) 一种耐浪涌型温度保险丝
CN203351541U (zh) 一种电容器保护熔断器
CN213339924U (zh) 一种线夹式热爆脱离器保护装置
CN204407857U (zh) 简易超压保护器
CN203562773U (zh) 电涌保护器
CN104700971A (zh) 一种采用新型管脚设计方法的压敏电阻
CN201946529U (zh) 一种具有双脱扣功能的新型电涌保护器
CN201887000U (zh) 一种跌落式熔断器

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081105

Termination date: 20160114