JPS6354074U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is an electric circuit diagram showing an embodiment of the electric energy measuring device according to the present invention, FIG. 2 shows an example of the electric energy measuring device according to the present invention, and FIG.
Fig. 3b shows a plan view, Fig. 3 shows an example of the terminal part side constituting the above-mentioned electric energy measuring device, Fig. 3a shows a side view,
FIG. 3b is a plan view, FIG. 4 is an example of the power measurement display section of the power meter, FIG. 4a is a side view, and FIG. 4b is a plan view. 1...Terminal section, 2...Measuring display section, ST...Connector, PT...Voltage transformer, CT...Current transformer, ET...
Power supply voltage transformer, 3...power pulse train conversion circuit,
4... Counting display circuit, 5... Power supply circuit, 1S, 2S,
1L, 2L...External connection terminal, 15...Rated value display section, 16...Detector, 17...Discrimination circuit, 18...Arithmetic circuit, 21...Metal base, 22...Cover. In addition,
In the drawings, the same reference numerals indicate the same or corresponding parts.

Amendment November 10, 1982 The name of the invention is amended as follows. Name of the invention Electric energy meter The scope of the utility model registration claim and the brief description of the drawings are amended as follows.

[Scope of Claim for Utility Model Registration] A power consumption measuring device in which a power measurement display body and a terminal body are removably connected and the power consumption display body and the terminal body are electrically connected by a connector. The part consists of an external connection terminal connected to the circuit under test, a voltage transformer that converts the load voltage of the circuit under test to a voltage proportional to it, a current transformer that converts the load current to a current proportional to it, and a rated The metering display section includes a power pulse train conversion circuit that converts the output signals of both the transformers into a multiplication pulse train, and a counting display circuit that counts and displays the pulses from the power pulse train conversion circuit. and a power supply circuit that obtains a DC voltage from the voltage of the circuit under test and supplies the DC voltage to the power pulse train conversion circuit and the count display circuit, and a detector that detects a rated value display section set at the terminal section. , a determination circuit that receives a detection signal from this detector and determines the rated value of the terminal section, and an arithmetic circuit that receives the determination signal determined by this determination circuit and converts it into an amount of power corresponding to the rated value. A power consumption measurement method characterized in that a pulse signal of the power amount corresponding to the rated value calculated by the calculation circuit is applied to the counting display circuit, and multiple rated power amounts are measured with one measurement display section. vessel.

[Brief Description of the Drawings] Fig. 1 is an electric circuit diagram showing an embodiment of the electric energy measuring device according to this invention, Fig. 2 shows an example of the electric energy measuring device according to this invention, and Fig. 2 a is a side view. , second
Figure b is a plan view, Figure 3 is an example of the terminal part side forming the above-mentioned electric energy measuring device, and Figure 3a is a side view.
FIG. 3b is a plan view, FIG. 4 is an example of the power measurement display section of the power meter, FIG. 4a is a side view, and FIG. 4b is a plan view. 1...Terminal section, 2...Measuring display section, ST...Connector, PT...Voltage transformer, CT...Current transformer, ET...
Power supply voltage transformer, 3...power pulse train conversion circuit,
4... Counting display circuit, 5... Power supply circuit, 1S, 2S,
1L, 2L...External connection terminal, 15...Rated value display section, 16...Detector, 17...Discrimination circuit, 18...Arithmetic circuit, 21...Metal base, 22...Cover. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] In a power consumption measuring device in which a power consumption display unit and a terminal unit are removably connected and the measurement display unit and the terminal unit are electrically connected by a connector, the terminal unit is connected to the circuit under test. a voltage transformer that converts the load voltage of the circuit under test into a voltage proportional to it, a current transformer that converts the load current into a current proportional to it, and a display section that displays the rated value. The measurement display section includes a power pulse train conversion circuit that converts the output signals of both the transformers into a multiplication pulse train, a counting display circuit that counts and displays the pulses from the power pulse train conversion circuit, and a voltage display circuit that converts the output signals of the transformers into a multiplication pulse train, a counting display circuit that counts and displays the pulses from the power pulse train conversion circuit, and a voltage of the circuit under test. a power supply circuit that obtains a DC voltage from and supplies the DC voltage to the power pulse train conversion circuit and the count display circuit, a detector that detects the rated value display section set at the terminal section, and a detection signal from this detector. A discriminating circuit receives the discrimination signal and determines the rated value of the terminal section, and an arithmetic circuit receives the discriminating signal discriminated by the discriminating circuit and converts it into an electric energy corresponding to the rated value. A power amount measuring device characterized in that a pulse signal of power amount corresponding to a rated value is applied to the counting display circuit, and the power amount of multiple ratings is measured with one measurement display section.