JPS60180098U

JPS60180098U - Measuring device

Info

Publication number: JPS60180098U
Application number: JP6843784U
Authority: JP
Inventors: 春名　治
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 1984-05-08
Filing date: 1984-05-08
Publication date: 1985-11-29

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図はこの発明に係る計測装置の一実施例を示すブロック
線図である。図において、１は電源装置、２は交流電源
、３は変圧器、４は全波整流器、５はコンデンサ、６は
定電圧回路、７，８は第１、第２のダイオード、９は蓄
電池、１０はスイッチング素子、１１は周期信号発生回
路、１２は第３のダイオード、１３はパルス入力回路、
１４はマイクロコンピュータ、１５はデータメモリ、１
７は時計回路、１８は表示記録装置、２１は停電検出回
路である。The figure is a block diagram showing one embodiment of a measuring device according to the present invention. In the figure, 1 is a power supply device, 2 is an AC power supply, 3 is a transformer, 4 is a full-wave rectifier, 5 is a capacitor, 6 is a constant voltage circuit, 7 and 8 are first and second diodes, 9 is a storage battery, 10 is a switching element, 11 is a periodic signal generation circuit, 12 is a third diode, 13 is a pulse input circuit,
14 is a microcomputer, 15 is a data memory, 1
7 is a clock circuit, 18 is a display/recording device, and 21 is a power failure detection circuit.

Claims

[Scope of utility model registration request]

(1) A pulse input circuit that receives outgoing pulses from a measuring instrument, a microcomputer that receives the number of input pulses from the pulse input circuit and sequentially records the input data in a data memory, A front thread recording device that displays or prints the recorded contents of the data memory according to a command from a computer, and a constant voltage is normally applied to the pulse input circuit, the data memory, the micro-collector, the clock circuit, and the display and recording device. A constant voltage is supplied from the circuit, and during a power outage, DC voltage is supplied from the storage battery to the pulse input circuit, the data memory, and the clock circuit, and DC voltage is intermittently supplied from the storage battery to the macrocro computer. A measuring device comprising a power supply device, wherein the DC voltage intermittently supplied to the microcomputer from the storage battery is stopped for a certain period of time after the microcomputer is driven for one loop of a program.

(2) The power supply device includes a constant voltage circuit that converts an alternating current voltage into a direct current voltage, a first diode that supplies an output voltage of the constant voltage circuit to a pulse input circuit, a data memory, and a clock circuit; a second diode whose cathode is connected to the cathode of the diode - and whose anode is connected to the storage battery, and a second diode connected between the cathode connection point of each of the first and second diodes and the power supply terminal of the microcomputer. a periodic signal generating circuit that normally makes the switching element conductive, makes the switching element conductive intermittently during a power outage, and continuously makes the switching element nonconductive when the data memory is full; A measuring device according to claim (1) of the utility model registration, characterized in that it is comprised of a third diode that supplies the output voltage of the voltage circuit to the display/recording device.

(3) The periodic signal generating circuit is characterized in that the switching element is intermittently made conductive by a control signal from the microcomputer, and made non-conductive by a data memory full recording content signal from the microcomputer. Scope of claim for utility model registration (
2) Measuring device described in section 2).