Title:
POWER MONITORING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/004184
Kind Code:
A1
Abstract:
In the power monitoring device of the present invention, there is a plurality of tube bodies on the inner surface of a first housing, there is a lead seal snap on the outside of the top of the first housing; on the top of the inner side of a second housing is a snap groove for fixing and positioning a second circuit board; the outer surface of the second housing has a guide groove for installing a protective cover; on the outer surface of the second housing is a plurality of through-holes corresponding to the tube bodies; the top of the protective cover is provided with a lead seal ring, and a guide rib is provided on the inner side of the protective cover; the first and second circuit boards are electrically connected by means of connectors; the first and second circuit boards are vertical relative to each other; a transformer coil is installed on the first circuit board; the transformer coil is electrically connected to the first circuit board; the first circuit board is provided with through-holes corresponding one-to-one to the tube bodies; the through-holes of the first circuit board and the transformer coil are sequentially sleeved on the corresponding tube bodies; the first circuit board is installed on the inner surface of the first housing; the second circuit board is installed on the inner side face of the first housing; the second and the first housing are fixedly connected; the guide rib is inserted into the guide groove; the lead seal ring and the lead seal snap are snap-connected together.
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Inventors:
ZHANG FENGCHU (CN)
GU YIGANG (CN)
XU WENZHUAN (CN)
ZHU JUNCHANG (CN)
GU YIGANG (CN)
XU WENZHUAN (CN)
ZHU JUNCHANG (CN)
Application Number:
PCT/CN2020/092819
Publication Date:
January 14, 2021
Filing Date:
May 28, 2020
Export Citation:
Assignee:
JIANGSU SFERE ELECTRIC CO LTD (CN)
International Classes:
G01R11/04; G01R31/00; G01R15/18; G01R19/00
Foreign References:
| CN110346664A | 2019-10-18 | |||
| CN207338265U | 2018-05-08 | |||
| CN202886433U | 2013-04-17 | |||
| CN204376389U | 2015-06-03 | |||
| CN108872660A | 2018-11-23 | |||
| JP2018004379A | 2018-01-11 |
Attorney, Agent or Firm:
SHANGHAI SUNHOLD LAW FIRM (CN)
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