JPS61132960U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is an external perspective view of a vacuum cleaner according to an embodiment of the present invention, Fig. 2 is a circuit block diagram of the vacuum cleaner, Fig. 3 is a circuit diagram of the operation section and display section, and Fig. 4 is a circuit diagram of the vacuum cleaner. 3 is a signal waveform diagram of the circuit shown in FIG. 5, a schematic sectional view of a conventional vacuum cleaner, and FIG. 6 is a block diagram of the same circuit. 13...Vacuum cleaner body, 14...Hose, 15...Hand part, 18...Operation part, 19...Display part, 20...Conductor,
21...Electric blower, 22...Detection circuit, 23...Control circuit, 24...Microcomputer circuit.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A vacuum cleaner body incorporating an electric blower, a control circuit, and a detection circuit, a hose connected to the vacuum cleaner body and having an operating section and a display section at its hand, and this hose. and two conductors provided in the main body to connect the hand portion and the detection circuit, the conductor of the main body supplies power to the hand portion, and the operation of the operating portion causes the microcontroller built in the hand portion to be The display section is controlled by the microcomputer at the same time as a signal from a computer is superimposed on the power supply voltage, the signal superimposed on the power supply voltage is detected by the detection circuit, and the electric blower is controlled via the control circuit. A vacuum cleaner with a configuration. 2. The vacuum cleaner according to claim 1, wherein the microcomputer is configured to have a function of receiving signals from the vacuum cleaner body and controlling the display unit.