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Title:
JOINT JUNCTION BOX FOR ELECTRIC ENERGY METERING
Document Type and Number:
WIPO Patent Application WO/2020/042910
Kind Code:
A1
Abstract:
A joint junction box for electric energy metering, comprising a base (14), a base cover (15), and a pluggable tool. The base (14) is provided with a current connection terminal (17) and a voltage connection terminal (18). A detector switch (19) and a meter replacement switch (21) are provided on the current connection terminal (17), and current connection contacts (22) configured for connection to a field calibrator are further provided on the current connection terminal (17). A voltage switch (20) is provided on the voltage connection terminal (18), and voltage connection contacts (23) configured for connection to the field calibrator are further provided on the voltage connection terminal (18).

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Inventors:
YU HAIBO (CN)
LIN FANTAO (CN)
XU YINGHUI (CN)
LI HELONG (CN)
WANG XINGYUAN (CN)
LIU JIA (CN)
WANG CHUNYU (CN)
CHEN WEI (CN)
Application Number:
PCT/CN2019/100546
Publication Date:
March 05, 2020
Filing Date:
August 14, 2019
Export Citation:
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Assignee:
CHINA ELECTRIC POWER RES INSTITUTE COMPANY LIMITED (CN)
STATE GRID CORP CHINA (CN)
International Classes:
G01R11/04
Foreign References:
CN109085402A2018-12-25
CN209086301U2019-07-09
CN2700894Y2005-05-18
CN207036914U2018-02-23
CN108548947A2018-09-18
CN207730810U2018-08-14
CN206710482U2017-12-05
CN106383255A2017-02-08
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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