Title:
電子式電力量計
Document Type and Number:
Japanese Patent JP6673058
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an electronic watt-hour meter having excellent workability at assembly time of the electronic watt-hour meter.SOLUTION: Provided is an electronic watt-hour meter comprising: a current detection unit 4 for measuring a current flowing in a distribution line from the output signal of a current transformer provided on the outside; a printed wiring board 5 on which are mounted a measurement unit 5a for measuring electric energy from the current detected by the current detection unit 4 and the voltage of the distribution line and a power supply unit for supplying electric power to the measurement unit 5a; a nameplate 6 provided on the power supply unit apart from the printed wiring board 5 by a distance greater than or equal to the component height of the power supply unit; and a base 1 and a middle base 7, on which are provided a nameplate holding unit for holding the nameplate 6 and a guide unit 7a for guiding the printed circuit board 5 to an assembly position, for storing the current detection unit 4 and the printed circuit board 5.SELECTED DRAWING: Figure 3
Inventors:
Takami Futaki
Tetsuya Kobayashi
Yuji Okubayashi
Fumio Ishida
Tetsuya Kobayashi
Yuji Okubayashi
Fumio Ishida
Application Number:
JP2016129875A
Publication Date:
March 25, 2020
Filing Date:
June 30, 2016
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G01R11/04
Domestic Patent References:
| JP2004125527A | ||||
| JP2013190208A | ||||
| JP2006023116A | ||||
| JP2010249603A | ||||
| JP5103941A | ||||
| JP2013217868A |
Foreign References:
| US20120062211 |
Attorney, Agent or Firm:
Tadahiko Inaba
Kanako Murakami
Shigeaki Matsui
Kuratani Yasutaka
Kanako Murakami
Shigeaki Matsui
Kuratani Yasutaka