EP4187568A4 - Thermal fuse - Google Patents

Thermal fuse

Info

Publication number
EP4187568A4
EP4187568A4 EP22857105.5A EP22857105A EP4187568A4 EP 4187568 A4 EP4187568 A4 EP 4187568A4 EP 22857105 A EP22857105 A EP 22857105A EP 4187568 A4 EP4187568 A4 EP 4187568A4
Authority
EP
European Patent Office
Prior art keywords
thermal fuse
fuse
thermal
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.)
Pending
Application number
EP22857105.5A
Other languages
German (de)
French (fr)
Other versions
EP4187568A1 (en
Inventor
Yaoxiang Hong
Xiaojian Chen
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.)
Xiamen Set Electronics Co Ltd
Original Assignee
Xiamen Set Electronics 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 Xiamen Set Electronics Co Ltd filed Critical Xiamen Set Electronics Co Ltd
Publication of EP4187568A1 publication Critical patent/EP4187568A1/en
Publication of EP4187568A4 publication Critical patent/EP4187568A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
    • H01H37/766—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet using a bridging contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
EP22857105.5A 2021-08-18 2022-08-18 Thermal fuse Pending EP4187568A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122003888.2U CN215869131U (en) 2021-08-18 2021-08-18 Temperature fuse
PCT/CN2022/113371 WO2023020584A1 (en) 2021-08-18 2022-08-18 Thermal fuse

Publications (2)

Publication Number Publication Date
EP4187568A1 EP4187568A1 (en) 2023-05-31
EP4187568A4 true EP4187568A4 (en) 2024-03-13

Family

ID=80242096

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22857105.5A Pending EP4187568A4 (en) 2021-08-18 2022-08-18 Thermal fuse

Country Status (5)

Country Link
EP (1) EP4187568A4 (en)
JP (1) JP2023542373A (en)
KR (1) KR20230098149A (en)
CN (1) CN215869131U (en)
WO (1) WO2023020584A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215869131U (en) * 2021-08-18 2022-02-18 厦门赛尔特电子有限公司 Temperature fuse

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100514212B1 (en) * 1996-09-09 2005-11-30 가부시끼가이샤 브라이트 Current / Temperature Combined Fuse
US20170345602A1 (en) * 2016-05-25 2017-11-30 Dong-Yang Electronics Co., Ltd. Temperature-sensitive pellet type thermal fuse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4757931B2 (en) * 2009-05-22 2011-08-24 内橋エステック株式会社 Protective element
JP2011204516A (en) * 2010-03-26 2011-10-13 Nec Schott Components Corp Thermal fuse
JP2013077411A (en) * 2011-09-30 2013-04-25 Nec Schott Components Corp Movable contact type temperature fuse
CN210223894U (en) * 2019-08-15 2020-03-31 宝应安的电子技术有限公司 Novel temperature controller with overheat protection function
CN215869131U (en) * 2021-08-18 2022-02-18 厦门赛尔特电子有限公司 Temperature fuse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100514212B1 (en) * 1996-09-09 2005-11-30 가부시끼가이샤 브라이트 Current / Temperature Combined Fuse
US20170345602A1 (en) * 2016-05-25 2017-11-30 Dong-Yang Electronics Co., Ltd. Temperature-sensitive pellet type thermal fuse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023020584A1 *

Also Published As

Publication number Publication date
KR20230098149A (en) 2023-07-03
EP4187568A1 (en) 2023-05-31
JP2023542373A (en) 2023-10-06
WO2023020584A1 (en) 2023-02-23
CN215869131U (en) 2022-02-18

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20240208

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 9/04 20060101ALN20240202BHEP

Ipc: H01H 85/02 20060101ALI20240202BHEP

Ipc: H01H 37/76 20060101AFI20240202BHEP