HRP20230431T1 - Moduli uređaja za zaštitu od udara koji uključuju integrirane mehanizme termalnog isključenja i metode koje ih uključuju - Google Patents

Moduli uređaja za zaštitu od udara koji uključuju integrirane mehanizme termalnog isključenja i metode koje ih uključuju Download PDF

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Publication number
HRP20230431T1
HRP20230431T1 HRP20230431TT HRP20230431T HRP20230431T1 HR P20230431 T1 HRP20230431 T1 HR P20230431T1 HR P20230431T T HRP20230431T T HR P20230431TT HR P20230431 T HRP20230431 T HR P20230431T HR P20230431 T1 HRP20230431 T1 HR P20230431T1
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HR
Croatia
Prior art keywords
spring
disconnect
module
spd
module according
Prior art date
Application number
HRP20230431TT
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English (en)
Inventor
Jure VRHUNC
Sebastjan KAMENSEK
Tadej KNEZ
Igor Juricev
Thomas Tsovilis
Original Assignee
Raycap Ip Development 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.)
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Publication date
Application filed by Raycap Ip Development Ltd. filed Critical Raycap Ip Development Ltd.
Publication of HRP20230431T1 publication Critical patent/HRP20230431T1/hr

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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
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-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
    • H01C7/10—Non-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
    • H01C7/12—Overvoltage protection resistors
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/041—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature additionally responsive to excess current
    • 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
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • 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
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • 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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • 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
    • H01H85/47—Means for cooling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
    • 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
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)

Claims (14)

1. Modul (100) uređaja za zaštitu od udara (SPD) koji sadrži: kućište modula (110); električne terminale prvog i drugog modula (166A, 168A) postavljene na kućište modula; prenaponski stezni element (132), električno spojen između električnih terminala prvog i drugog modula; i mehanizam termalnog rastavljača (140) smješten u konfiguraciji pripravnosti, pri čemu je prenaponski stezni element električno spojen s električnim terminalom drugog modula, mehanizam termalnog rastavljača može se ponovo pozicionirati za električno rastavljanje prenaponskog steznog elementa od električnog terminala drugog modula, mehanizam termalnog rastavljača uključuje: elektrodu (136) koja je električno spojena na prenaponski stezni element; rastavljačku oprugu (150) elastično otklonjenu i električno spojenu s elektrodom u konfiguraciji pripravnosti; prvi sigurnosni mehanizam (102) uključujući lem (148) koji osigurava rastavljačku oprugu u električnoj vezi s elektrodom u konfiguraciji pripravnosti, pri čemu je: lem taljiv kao odgovor na pregrijavanje prenaponskog steznog elementa; i rastavljačka opruga konfigurirana za električno rastavljanje prenaponskog steznog elementa od električnog terminala drugog modula kad se lem tali; i drugi sigurnosni mehanizam (104) koji uključuje slabo područje (156) u rastavljačkoj opruzi, pri čemu je rastavljačka opruga konfigurirana da pukne na slabom području kao odgovor na struju kroz rastavljačku oprugu kako bi električno rastavila prenaponski stezni element od električnog terminala drugog modula i naznačeno time da SPD modul uključuje dodatnu oprugu (160), pri čemu, u konfiguraciji pripravnosti, dodatna opruga (160): je električno spojena na elektrodu (136); primjenjuje opružno opterećenje na rastavljačku oprugu (150); i osigurava toplinski kapacitet za hlađenje rastavljačke opruge (150).
2. SPD modul prema patentnom zahtjevu 1, naznačen time da je prenaponski stezni element varistor.
3. SPD modul prema patentnom zahtjevu 1, naznačen time da: prvi sigurnosni mehanizam uključuje kontaktni dio (154B) rastavljačke opruge (150) što zahvaća lem; slabo područje (156) se nalazi u rastavljačkoj opruzi između kontaktnog dijela i proksimalnog dijela (154A) rastavljačke opruge; i slabo područje (156) ima smanjenu površinu poprečnog presjeka u usporedbi s površinom poprečnog presjeka proksimalnog dijela.
4. SPD modul prema patentnom zahtjevu 1, naznačen time da: prvi sigurnosni mehanizam uključuje kontaktni dio (154B) rastavljačke opruge što zahvaća lem; slabo područje (156) se nalazi u rastavljačkoj opruzi između kontaktnog dijela i proksimalnog dijela (154A) rastavljačke opruge; i SPD modul uključuje dodatnu oprugu (160), koja primjenjuje opružno opterećenje na proksimalni dio.
5. SPD modul prema patentnom zahtjevu 1, naznačen time da je rastavljačka opruga izrađena od materijala koji ima temperaturu omekšavanja veću od 300°C.
6. SPD modul prema patentnom zahtjevu 1, koji uključuje element hladnjaka koji je termalno umetnut između elektrode i lema, element hladnjaka (142) imajući toplinski kapacitet; pri čemu toplinski kapacitet elementa hladnjaka prigušuje i raspršuje toplinu od prenaponskog steznog elementa za sprječavanje taljenja lema kao odgovor na barem neke strujne udare kroz SPD modul.
7. SPD modul prema patentnom zahtjevu 6, naznačen time da je toplinski kapacitet elementa hladnjaka u rasponu od oko 0,2 do 2,0 J/K.
8. SPD modul prema patentnom zahtjevu 6, naznačen time da je prenaponski stezni element (132) varistor.
9. SPD modul prema patentnom zahtjevu 6, naznačen time da: je element hladnjaka pričvršćen na elektrodu, opcionalno zakovicama (144), tako da element hladnjaka ostaje pričvršćen na elektrodu kad se lem otopi i rastavljačka opruga je električno rastavila prenaponski stezni element od električnog terminala drugog modula; i lem direktno zahvaća element hladnjaka.
10. SPD modul prema patentnom zahtjevu 6, naznačen time da: SPD modul uključuje potporni okvir (114); i potporni okvira uključuje integriranu potpornu značajku (124) konfiguriranu za otpor na pomicanje elementa hladnjaka u odnosu na rastavljačku oprugu.
11. SPD modul prema patentnom zahtjevu 6, koji uključuje kontaktni element (168), naznačen time da: kontaktni element uključuje terminal drugog modula (168A); i rastavljačka je opruga pričvršćena na kontaktni element.
12. SPD modul prema patentnom zahtjevu 1, koji uključuje pokazivački mehanizam (170) konfiguriran da daje upozorenje da SPD modul nije uspio kad mehanizam toplinskog rastavljača rastavi prenaponski stezni element od električnog terminala drugog modula.
13. SPD modul prema patentnom zahtjevu 12, naznačen time da pokazivački mehanizam uključuje lokalni mehanizam za upozoravanje (170A) koji uključuje: prozor (112B) u kućištu modula; element pokazivača (174) koji je pomičan između položaja pripravnosti i položaja pokazivača u odnosu na prozor; i pokazivačku oprugu (176) konfiguriranu za prisiljavanje elementa pokazivača iz položaja pripravnosti u položaj pokazivača kad mehanizam toplinskog rastavljača rastavi prenaponski stezni element od električnog terminala drugog modula.
14. SPD modul prema patentnom zahtjevu 12, naznačen time da pokazivački mehanizam uključuje mehanizam za daljinsko upozoravanje (170B), koji uključuje: otvor prekidača (122) u kućištu modula za prijem prekidačkog klina (188A) iz sklopa vanjske baze; blokirni element (172G) koji prekriva otvor prekidača; i pokazivački oprugu (176) konfiguriranu da prisilno odmakne blokirni element od otvora prekidača kad mehanizam toplinskog rastavljača rastavi prenaponski stezni element od električnog terminala drugog modula kako bi omogućio da se prekidački klin produlji kroz otvor prekidača.
HRP20230431TT 2017-05-12 2017-12-18 Moduli uređaja za zaštitu od udara koji uključuju integrirane mehanizme termalnog isključenja i metode koje ih uključuju HRP20230431T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/593,591 US10340110B2 (en) 2017-05-12 2017-05-12 Surge protective device modules including integral thermal disconnect mechanisms and methods including same
EP20168856.1A EP3719817B1 (en) 2017-05-12 2017-12-18 Surge protective device modules including integral thermal disconnect mechanisms and methods including same

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HRP20230431T1 true HRP20230431T1 (hr) 2023-07-07

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HRP20230431TT HRP20230431T1 (hr) 2017-05-12 2017-12-18 Moduli uređaja za zaštitu od udara koji uključuju integrirane mehanizme termalnog isključenja i metode koje ih uključuju
HRP20201357TT HRP20201357T1 (hr) 2017-05-12 2020-08-27 Moduli prenaponske zaštitne naprave uključujući integrirane mehanizme termalnog isključenja i metode koje ih uključuju

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US (2) US10340110B2 (hr)
EP (2) EP3719817B1 (hr)
CN (2) CN108879602B (hr)
CY (1) CY1123273T1 (hr)
DK (2) DK3719817T3 (hr)
ES (2) ES2944460T3 (hr)
FI (1) FI3719817T3 (hr)
HR (2) HRP20230431T1 (hr)
HU (2) HUE061882T2 (hr)
PL (2) PL3401931T3 (hr)
PT (2) PT3401931T (hr)
RS (2) RS60724B1 (hr)
SI (2) SI3401931T1 (hr)

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