HRP20201357T1 - Moduli prenaponske zaštitne naprave uključujući integrirane mehanizme termalnog isključenja i metode koje ih uključuju - Google Patents

Moduli prenaponske zaštitne naprave uključujući integrirane mehanizme termalnog isključenja i metode koje ih uključuju Download PDF

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Publication number
HRP20201357T1
HRP20201357T1 HRP20201357TT HRP20201357T HRP20201357T1 HR P20201357 T1 HRP20201357 T1 HR P20201357T1 HR P20201357T T HRP20201357T T HR P20201357TT HR P20201357 T HRP20201357 T HR P20201357T HR P20201357 T1 HRP20201357 T1 HR P20201357T1
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HR
Croatia
Prior art keywords
spring
disconnect
module
spd
module according
Prior art date
Application number
HRP20201357TT
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English (en)
Inventor
Jure VRHUNC
Sebastjan KAMENSEK
Tadej KNEZ
Igor Juricev
Thomas Tsovilis
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Raycap Ip Development Ltd.
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Application filed by Raycap Ip Development Ltd. filed Critical Raycap Ip Development Ltd.
Publication of HRP20201357T1 publication Critical patent/HRP20201357T1/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
    • 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
    • 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
    • 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) prenaponske zaštitne naprave (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 termalni rastavljajući mehanizam (140) smješten u konfiguraciji pripravnosti, pri čemu je prenaponski stezni element električno povezan s električnim terminalom drugog modula, mehanizam termalnog rastavljanja 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 usmjerenu i električno spojenu s elektrodom u konfiguraciji pripravnosti; lem (148) koji učvršćuje rastavljačku oprugu u električnoj vezi s elektrodom u konfiguraciji pripravnosti; i element hladnjaka (142) koji se termički nalazi između elektrode i lema, element hladnjaka imajući toplinski kapacitet; pri čemu je lem taljiv kao odgovor na pregrijavanje prenaponskog steznog elementa; pri čemu je rastavljačka opruga konfigurirana za električno rastavljanje prenaponskog steznog elementa od električnog terminala drugog modula kad se lem tali; i pri čemu toplinski kapacitet elementa hladnjaka prigušuje i odvodi toplinu iz prenaponskog steznog elementa zbog sprječavanja taljenja lema kao odgovor na bar neke prenaponske struje kroz SPD modul; naznačeno time da elektroda uključuje: osnovni dio (136B) koji zahvaća prenaponski stezni element; i integrirani uspravni jezičak za zaustavljanje (138) koji povezuje bazni dio s elementom hladnjaka.
2. SPD modul prema zahtjevu 1, naznačen time što je toplinski kapacitet elementa hladnjaka u rasponu od oko 0,2 do 2,0 J/K i / ili barem otprilike 0,15 puta toplinski kapacitet elektrode.
3. SPD modul prema zahtjevu 1 ili zahtjevu 2, naznačen time, da je prenaponski stezni element varistor.
4. SPD modul prema bilo kojem od prethodnih zahtjeva, naznačen time što: element hladnjaka je pričvršćen na elektrodu, opcionalno zakovicama (144); i lem direktno zahvaća element hladnjaka.
5. SPD modul prema bilo kojem od prethodnih zahtjeva, naznačen time što: SPD modul sadrži potporni okvir (114); i potporni okvira uključuje integriranu potpornu značajku (124) konfiguriranu za otpor na pomicanje elementa hladnjaka u odnosu na rastavljačku oprugu.
6. SPD modul prema bilo kojem od prethodnih zahtjeva uključujući dodatnu oprugu (160), pri čemu, u konfiguraciji pripravnosti, dodatna opruga: je električno spojena na elektrodu; na rastavljačku oprugu primjenjuje opružno opterećenje; i pruža toplinski kapacitet za hlađenje rastavljačke opruge.
7. SPD modul prema bilo kojem od prethodnih zahtjeva, naznačen time što je rastavljačka opruga izrađena od materijala koji ima temperaturu omekšavanja veću od 300°C.
8. SPD modul prema bilo kojem od prethodnih zahtjeva, naznačen time da mehanizam za termičko rastavljanje uključuje: prvi sigurnosni mehanizam (102) koji uključuje lem i kontaktni dio (154B) rastavljačke opruge (150) koja zahvaća lem; i drugi sigurnosni mehanizam (104) koji uključuje slabo područje (156) u rastavljačkoj opruzi između kontaktnog dijela i proksimalnog dijela (154A) rastavljačke opruge, pri čemu je rastavljačka opruga konfigurirana da pukne na slabom području kao odgovor na struju kroz rastavljačku oprugu.
9. SPD modul prema zahtjevu 8, naznačen time što slabo područje (156) ima smanjeno područje presjeka u odnosu na područje presjeka proksimalnog dijela.
10. SPD modul prema zahtjevu 8, naznačen time da sadrži dodatnu oprugu (160) koja na proksimalni dio primjenjuje opružno opterećenje.
11. SPD modul prema bilo kojem od prethodnih zahtjeva, uključujući kontaktni element (168), pri čemu: kontaktni element uključuje terminal drugog modula (168A); i rastavljačka opruga pričvršćena je na kontaktni element, opcionalno zakivanjem.
12. SPD modul prema bilo kojem od prethodnih zahtjeva, uključujući indikatorski mehanizam (170) konfiguriran da daje upozorenje da SPD modul nije uspio kad mehanizam toplinskog rastavljanja rastavi prenaponski stezni element s električnog terminala drugog modula.
13. SPD modul prema zahtjevu 12, naznačen time što indikatorski mehanizam uključuje lokalni mehanizam za upozoravanje (170A) koji uključuje: prozor (112B) u kućištu modula; element indikatora (174) koji se pomiče između položaja pripravnosti i položaja pokazivača u odnosu na prozor;i indikatorsku oprugu (176) konfiguriranu za prisiljavanje elementa indikatora iz položaja pripravnosti u indikacijski položaj kad mehanizam toplinskog rastavljača rastavi prenaponski stezni element od električnog terminala drugog modula.
14. SPD modul prema zahtjevu 12 ili 13, naznačen time da indikatorski mehanizam uključuje mehanizam za daljinsko upozoravanje (170B) uključujući: prekidački otvor (122) u kućištu modula za prijem prekidačkog klina (188A) iz sklopa vanjske baze; blokirni element (172G) koji prekriva prekidački otvor; i indikatorsku oprugu (176) konfiguriranu da prisilno odmakne blokirni element od prekidačkog otvora kad mehanizam toplinskog rastavljanja rastavi prenaponski stezni element od električnog terminala drugog modula kako bi omogućio da se prekidački klin produlji kroz prekidački otvor.
HRP20201357TT 2017-05-12 2020-08-27 Moduli prenaponske zaštitne naprave uključujući integrirane mehanizme termalnog isključenja i metode koje ih uključuju HRP20201357T1 (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
EP17207945.1A EP3401931B1 (en) 2017-05-12 2017-12-18 Surge protective device modules including integral thermal disconnect mechanisms and methods including same

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HRP20201357T1 true HRP20201357T1 (hr) 2020-11-27

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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) CN115986679A (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) PL3719817T3 (hr)
PT (2) PT3719817T (hr)
RS (2) RS60724B1 (hr)
SI (2) SI3401931T1 (hr)

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