US 12,131,880 B2
Fuse and circuit system
Xiaoguang Shi, Shaanxi (CN); Xibin Ge, Shaanxi (CN); Wei Wang, Shaanxi (CN); Hui Cao, Shaanxi (CN); and Ning Wang, Shaanxi (CN)
Assigned to XI' AN SINOFUSE ELECTRIC CO., LTD., Shaanxi (CN)
Appl. No. 17/799,745
Filed by XI' AN SINOFUSE ELECTRIC CO., LTD., Shaanxi (CN)
PCT Filed Apr. 7, 2021, PCT No. PCT/CN2021/085832
§ 371(c)(1), (2) Date Aug. 15, 2022,
PCT Pub. No. WO2021/204165, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 202010263397.9 (CN), filed on Apr. 7, 2020; and application No. 202110316698.8 (CN), filed on Mar. 24, 2021.
Prior Publication US 2023/0352252 A1, Nov. 2, 2023
Int. Cl. H01H 85/38 (2006.01); H01H 9/34 (2006.01); H01H 85/00 (2006.01); H01H 3/22 (2006.01); H01H 3/24 (2006.01); H01H 85/36 (2006.01)
CPC H01H 9/34 (2013.01) [H01H 85/0039 (2013.01); H01H 85/38 (2013.01); H01H 3/22 (2013.01); H01H 3/24 (2013.01); H01H 85/36 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A fuse, comprising:
a housing, a closed chamber being provided in the housing, the closed chamber being filled with an arc extinguishing filler, and a first conductive terminal and a second conductive terminal which are respectively used as a current input end and a current output end being connected to the housing;
a fusant, connected in series between the first conductive terminal and the second conductive terminal, and at least partially provided in the closed chamber in a penetrating manner; and
an impact apparatus, provided in the housing and located outside the closed chamber, and configured to act, when receiving an excitation signal, on the fusant to generate an impact force so as to make the fusant broken in the closed chamber;
wherein a plurality of closed chambers are provided, a corresponding fusant is provided in each of the closed chambers in a penetrating manner, and a plurality of fusants provided in the plurality of closed chambers in a penetrating manner are connected in series or in parallel.