国家/地区 中国（12）
IPC部 H（11） C（5）
IPC大类 H01（7） H02（4） C22（3）
C09（2）
IPC小类 H01H（7） H02B（4） C22C（3）
C09D（2）
IPC H01H033/664（3） H02B001/20（3） H02B001/30（3）
H02B001/56（3） C09D001/00（2） C09D007/12（2）
C22C009/00（2） H01H001/025（2） H01H009/52（2）
H01H011/00（2） H01H011/04（2） H01H033/66（2）
发明人 LI M（10） WANG N（8） LI W（7）
GE Y（5） GAO N（3） LIU Y（3）
GUAN Q（2） HAO L（2） LI J（2）
LI K（2） MIAO X（2） SHU X（2）
公开年 2016（9） 2022（3）
申请年 2016（9）  2022（2） 
专利权人 PINGGAO GROUP CO LTD（12）

Copper tungsten contact comprises copper powder, tungsten powder and graphene, where tungsten powder includes first tungsten powder and second tungsten powder.

HAO L, SUN K, DUAN X, HUANG J, HOU M, PENG X, CHEN W, FANG B, SUN Y, WEI J, LI K, MIAO X, LI M, YANG X, LI W, LV J, ZHANG C

Air box assembly has gas box, whose top unit is set with opening, opening is hermetically installed with sealing gas bag, sealed airbag, and inner cavity communicates with air box, sealing airbag connects with inlet sleeve pipe, and sleeve pipe outlet.

GUO P, ZHU K, HU K, WANG T, FAN J, GAO Z, YAN Z, ZHANG M, ZHANG H, GUO Y, QIN Y, NIU P, GAO S, ZHAO H, HOU B

Arc contact for switch has e.g. fixed conductive segment, wear-resistant contact section and arc strike section, fixed conductive section is used to fix arc contacts for switches, where the wear-resistant contact section and arc striking section are made of copper-tungsten alloy material.

YANG Z, LI Y, WANG Z, YUAN G, YUN F, ZHENG Y, HAN L, FAN Y, PANG Y, LI K, HAO L, MIAO X

Switch cabinet has switch cabinet structure which is covered on surface of switch cabinet electric loop which is provided with graphene layer.

LI M, WANG N, GE Y, GAO N, LI W

Vacuum circuit breaker, has radiator connected with conductive circuit surface, where circuit surface is coated with graphene layer formed of specific thickness, and upper connecting plate connected with radiator.

LI M, WANG N, LIU Y, LI J

Producing copper-graphene composite material useful for electric equipment, comprises under vacuum conditions, adding graphene slurry in the form of a spray into the copper melt, stirring and mixing, and casting.

LI M, LI W, GE Y, LIU Y, WANG N, HOU X

Vacuum arc extinguish chamber, has vacuum arc extinguish chamber main body connected with graphene unit, and conductive loop whose static conductive rod is electrically connected with movable conductive rod.

LI M, WANG N, SHU X, GUAN Q, LI W

Graphene-stainless steel composite material for use in electrical equipment cabinet, is prepared by adding graphene paste as spray form to melt for casting stainless steel in vacuum, stirring, mixing, casting and carrying out heat treatment.

GAO N, GE Y, LI M, LI W, ZHANG J, LIAN J, LIU X

Vacuum breaker, has breaker main body arranged with radiator and graphene layer, where radiator is arranged in electric conduction surface and radiator and upper connection plate are mutually connected with each other.

LI J, LI M, LIU Y, WANG N

Contact material used in vacuum arc extinguish chamber, comprises graphene, copper and chromium.

GE Y, LI M, SUN S, WANG N, ZHANG G