JP2001104226A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner or a central cleaner with a simple structure and reduced number of signal wires for feeding electricity from a main body circuit part to a hand circuit part and transmitting signals from the main body circuit part to the hand circuit part. SOLUTION: A main body circuit part 8 and a hand circuit part 15 of this cleaner are connected with plural wires 16. Commercial power supply voltage is outputted from the main body circuit part 8 to the hand circuit part 15 by way of the wires 16 and the voltage outputted to the wires 16 is on/off- controlled according to data of the main body. The hand circuit part 15 detects and outputs data from the voltage condition or voltage value relative to the time axis of the on/off of the voltage outputted to the wires 16. Therefore, feeding of electricity and transmission/receiving of signals can be achieved by way of the wires 16 inside a hose 9, and by minimizing the number of the wires 16 in the hose 9, the hose can be made lighter and more flexible and can be operated more easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor moving device in which a microcomputer or the like is mounted in a main body circuit portion, and information such as the amount of dust in the main body and the suction force of an electric blower is transmitted from the main body circuit portion to a handy circuit portion. The present invention relates to a mold and a vacuum cleaner generally referred to as a central cleaner in an installation type.

[0002]

2. Description of the Related Art In recent years, the operation control of a vacuum cleaner has become more and more complicated, but the number of wires between a hand-held circuit portion and a main body circuit portion is a problem.

Conventionally, in order to output information such as the amount of dust in the main body and the suction power of the electric blower, there is a first means for outputting information such as display and notification on the main body, and a second means. And a power supply line for operating the hand-held circuit from the main-body circuit to the hand-held circuit via a hose.
There is a configuration in which the information transmission line from the main body circuit unit to the hand circuit unit is provided with a total of four wirings. As a third means, a diode and a switch are connected in parallel to the wiring, There is a configuration in which the shape of the supply voltage for operating the hand-held circuit unit from the circuit unit to the hand-held circuit unit is switched to full-wave, half-wave, full-wave rectification, and the like, and the form of the supply voltage also serves as information transmission. As in the case of the power line HA, a high-frequency signal is superimposed on the commercial power line, and power is supplied from the main circuit to the hand circuit and information is transmitted from the main circuit to the hand circuit using two wires. There is a configuration performed in. Specifically, power is supplied at a commercial power supply voltage of 100 V at 50 Hz or 60 Hz, a high-frequency voltage of about 1 V at about 125 kHz is superimposed on the commercial power supply voltage, and information is transmitted in a superimposed state of the high-frequency voltage. ing.

[0004]

In such a conventional vacuum cleaner, in the first means, since the display location is on the main body side, the user must look back each time to confirm the display. However, there was a problem that usability deteriorated. Also, in the second means, since four wires in the hose are required, the outer diameter of the hose becomes large and the flexibility is deteriorated, and the operability at the time of cleaning work is deteriorated due to the increase in weight. was there. Further, in the third means, the amount of information that can be transmitted from the main body circuit section to the hand circuit section is limited to two or three ways, and sufficient information cannot be transmitted. In addition, there are two types of voltage supplied to the hand-held circuit section: full-wave and half-wave, and the power supply circuit in the hand-held circuit section generates a large amount of heat, and the circuit configuration becomes complicated and the price increases. there were. Further, in the fourth means, one of the two wirings is set at 50 Hz or 60 Hz.
A high-frequency voltage (for example, about 125 k
To superimpose a high frequency (for example, about 1 V).
High-frequency power supply circuit for generating 25 kHz), 125 kHz to 100 V commercial power supply voltage at 50 Hz or 60 Hz.
A superimposing circuit for superimposing a high-frequency voltage of 1 V in z or a demodulation circuit for extracting a high-frequency voltage from a supply voltage on the wiring is required separately, so that the circuit becomes complicated and the circuit scale becomes large, and the main body and the hand of the vacuum cleaner The operation unit is also large and heavy, and as in the case of the second means, operability at the time of cleaning work is deteriorated, and there is a problem that the price of a product is increased.

The present invention solves the above-mentioned problems, and supplies power from a main body circuit to a handy circuit with a small number of signal lines and a simple configuration, and outputs a signal from the main body circuit to the handy circuit. It is an object of the present invention to provide an inexpensive vacuum cleaner that can be used.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a vacuum cleaner body and a hose having one end detachably attached to the body and having a hand operation part for operation at the other end. An extension pipe and a nozzle detachably attached to the other end of the hand operation section, a main body circuit section incorporated in the main body to control an electric blower, and a hose, a hand operation section, an extension pipe, a nozzle, and the like. A cleaning circuit provided at least in part of the cleaning unit, for outputting information sent from the main circuit unit, and a plurality of connecting units disposed along the hose for connecting the main circuit unit and the hand circuit unit. Wiring, and converts information from the inside of the main body into a predetermined digital signal, and controls a commercial power supply voltage output to the wiring according to the digital signal to 'ON' and 'OFF',
The hand-held circuit unit drives the hand-held circuit unit with the voltage output to the wiring, and controls the supplied voltage.
The digital signal transmitted from the main body is detected from the state with respect to the time axis of 'ON' and 'OFF', or the voltage value during a half cycle or one cycle, and the detection information content of the main body is determined according to the detection result. By outputting to at least a part of the cleaning unit, power is supplied from the main circuit unit to the hand circuit unit with a small number of signal lines and a simple configuration, and digital communication is performed from the main circuit unit to the hand circuit unit. Output can be achieved, the hose can be reduced in weight, and there is an effect of improving usability and operability of the vacuum cleaner.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION
A vacuum cleaner main body, a hose having one end detachably attached to the main body, and having a hand operation unit for operation at the other end;
An extension tube and nozzle detachably attached to the other end of the hand operation unit, a main body circuit unit built in the main body for controlling the electric blower, and the hose, hand operation unit, extension tube, nozzle and the like. A hand circuit provided on at least a part of the cleaning unit for outputting information sent from the main circuit, and a plurality of wirings provided along the hose and connecting the main circuit and the hand circuit And converts information from inside the main body into a predetermined digital signal,
In response to the digital signal, the commercial power supply voltage output to the wiring is controlled to 'ON' and 'OFF', and the hand-held circuit unit drives and supplies the hand-held circuit unit with the voltage output to the wiring. 'ON', 'O'
The digital signal transmitted from the main body is detected from the state of the FF 'with respect to the time axis, or the voltage value during a half cycle, or one cycle, and the content of detection information on the main body side is determined by the cleaning unit according to the detection result. At least in part, the main circuit and the hand circuit are connected by a plurality of wires, and a voltage of a commercial power supply can be supplied from the main circuit to the hand circuit via the wires, Information from the main body can be transmitted from the main body circuit section to the local circuit section based on the state of the supply voltage and the voltage value.

According to a second aspect of the present invention, there are provided a plurality of insertion ports provided on a wall or a floor, a main body communicating with the plurality of insertion ports via piping, and one end provided at the insertion port. A hose having a hand-operated portion at the other end thereof, an extension tube and a nozzle detachably attached to the other end of the hand-operated portion, and a main body for controlling an electric blower. A cleaning unit having a circuit unit, including a hose, a hand operation unit, an extension pipe, and a nozzle; a hand circuit unit that outputs information sent from the main body circuit unit; A plurality of wirings for connecting the main body circuit portion and the hand-held circuit portion, wherein information on detecting the amount of dust and the suction force of the electric blower in the main body is converted into a predetermined digital signal, and in accordance with the digital signal, hand The commercial power supply voltage output to the wiring is controlled to be 'ON' and 'OFF', and the hand-held circuit unit drives the hand-held circuit unit by the voltage output to the wiring and sets the supplied voltage to 'ON'. The digital signal transmitted from the main body is detected from the state with respect to the time axis of ',' OFF ', or a half cycle, or a voltage value during one cycle, and the detection information content of the main body is determined according to the detection result. It is designed to output to at least a part of the cleaning unit or the insertion port.The main circuit unit and the hand circuit unit are connected by a plurality of wires, and the main circuit unit and the hand circuit unit are connected to the hand circuit unit via these wires. A voltage can be supplied, and information from the main body can be transmitted from the main body circuit section to the local circuit section based on the state of the supply voltage, the voltage value, and the like.

According to a third aspect of the present invention, there are provided only two wires which are provided along a hose and connect a main body circuit portion and a handy circuit portion, and the wires are used for commercial use from the main body circuit portion to the handy circuit portion. The power supply voltage can be supplied, and information from the main body can be transmitted from the main body circuit section to the handy circuit section by the wiring from the state of the supply voltage and the voltage value.

In the invention according to claim 4 of the present invention, the main body circuit outputs or does not output a voltage to the wiring every half-wave of the commercial power supply voltage which is a supply voltage to the hand-held circuit within a certain period. And outputs the main body information to the wiring, and the circuit at hand detects a digital signal by detecting the presence or absence of the voltage, and outputs the content of the detection information on the main body side according to the detection result. Thus, only two wires are used to connect the main body circuit portion and the hand-held circuit portion, a voltage of a commercial power supply can be supplied from the main body circuit portion to the hand-held circuit portion by the wires, and the main body circuit portion is connected to the hand-held circuit portion by the wires. The information from the main body can be transmitted with or without the supply power supply voltage, and can be realized with a simple configuration.

According to a fifth aspect of the present invention, the main body circuit outputs information to the wiring as a power phase control amount, and the hand circuit detects the phase control amount, and outputs the information to the main body in accordance with the detection result. Output the detection information content of
The main circuit section and the hand circuit section are connected only to two wires, and the power supply from the main circuit section to the hand circuit section can be supplied from the main circuit section to the hand circuit section by the wiring. Can be transmitted with the phase control amount of power, and higher speed transmission is possible.

In the invention according to claim 6 of the present invention, the main body circuit section outputs information to the wiring by changing the voltage level of the commercial power supply, and the hand circuit section detects the voltage level and outputs the detected result. In accordance with this, the detection information content of the main body side is output, and only two wires connecting the main body circuit portion and the handy circuit portion are provided, and the power of the commercial power supply is supplied from the main body circuit portion to the handy circuit portion by the wiring. And information can be transmitted from the main unit to the local circuit unit by changing the voltage level of the commercial power supply by the wiring. it can.

According to the invention of claim 7 of the present invention, the hand circuit unit remotely controls the operation of the main body circuit unit, and the control signal of the electric blower corresponding to the operation input of the user is not transmitted from the main unit. At the timing, the main body circuit supplies power to the hand circuit and receives a control signal from the hand circuit at a predetermined timing during a period in which information is not output to the wiring, and outputs the phase of the electric blower. Since the control timing signal is generated, only two wires are used to connect the main body circuit part and the hand-held circuit part, and the signal transmission is performed in a bidirectional period. The two-way communication between the main body circuit and the hand-held circuit can be performed with a simple circuit configuration.

[0014]

(Embodiment 1) A first embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is an external perspective view showing the overall configuration of a floor-moving vacuum cleaner according to this embodiment. 101 is a vacuum cleaner main body, and 102 is a hose having one end connected to the insertion port 103 of the main body 101 and the other end connected to the extension pipe 104 or the nozzle 105 or the like.

FIG. 2 is an external perspective view showing the entire configuration of a stationary type vacuum cleaner called a central cleaner.
106 is a central cleaner main body, 107 is a pipe 108
Hose at the outlet arranged on the wall, floor, etc. through
2 is connected to one end.

FIG. 3 is a block diagram showing the configuration of this embodiment. Body 10 of vacuum cleaner or central cleaner
In the main body circuit section 8 disposed at 1 and 106, 1 is a commercial power supply, 2 is an electric blower for generating suction force, and 3 is a voltage supplied from the commercial power supply 1 in the hose 102 through the insertion ports 103 and 107. A power supply means for outputting to the two wirings 16; a ZVS generating means 4 indicating a period during which the voltage on the wiring 16 is equal to or higher than a predetermined voltage during a half cycle of the commercial power supply; Dust amount detecting means 6 is a signal generating means for generating body information as a digital signal in accordance with the detection result of the dust amount detecting means 5, and 17 is a signal transmitting means for outputting the digital signal to the wiring 16,
Reference numeral 7 denotes a driving unit that drives the electric blower 2.

The hand-held circuit section 15 includes a hose 102,
It is arranged in a cleaning unit including an extension pipe 104 and a nozzle 105. In this hand-held circuit section 15, reference numeral 10 denotes a ZVS generating means for generating the signal ZVS, reference numeral 11 denotes a signal detecting means for detecting a period in which the voltage on the wiring 16 is equal to or lower than a predetermined detection voltage, and reference numeral 12 denotes a signal detected by the signal detecting means 11. Signal receiving means for detecting the main body information transmitted by the main body circuit section 8 from the signal and the signal ZVS, and generating a digital signal corresponding to the main body information; 13 outputs an output such as display or notification based on the detected digital signal; Output means to perform, 1
Reference numeral 4 denotes a power supply unit that converts the power in the wiring 16 into a power supply voltage used in the hand circuit unit 15 and supplies power to the ZVS generation unit 10, the signal detection unit 11, the signal reception unit 12, and the output unit 13. .

The operation of the above configuration will be described.
FIG. 4 is a waveform chart showing the operation of this embodiment. FIG. 4 (a)
4B shows a voltage waveform on the wiring 16, and FIG. 4B shows a signal ZV generated by the ZVS generating means 4 and the ZVS generating means 10.
4 (c) shows the voltage waveform of the signal detected by the signal detecting means 11, and FIG. 4 (d) shows the voltage waveform of the output signal generated by the signal receiving means 12.

As shown in FIG. 4A, the main body circuit 8
Then, the power supply means 3 outputs the voltage of the commercial power supply 1 to the wiring 16, and the ZVS generating means 4 generates the signal ZVS from the commercial power supply 1, and stops the half-wave power supply in synchronization with the signal ZVS. The main body information is output to the wiring 16 by repeating this in one cycle of a full wave or more. As a result, the power supply voltage for supplying power and the body information coexist on the wiring 16.

When the user starts driving, the electric blower 2 starts driving. At this time, the dust amount detecting means 5 detects the amount of dust in the main body, the signal generating means 6 generates main body information according to the dust amount, and the signal transmitting means 7 synchronizes with the signal ZVS generated by the ZVS generating means 4. Then, the main body information is output to the wiring 16. At this time, the digital signal transmission is performed by the baseband method in which the supply of the voltage to the hand-held circuit unit 15 is ensured, and the voltage is not supplied for a certain half period during a certain period. For example, if the amount of garbage is determined in five steps,
The dust amount information can be represented by four waves. If "ON" is 1 and "OFF" is 0, if the dust amount is small,
'1111' of all four waves is 'ON', and as the amount of dust increases, '1110', '1101', '101'
Information can be sent by changing the signal to 1 'or' 0111 '. FIG. 4A shows a voltage waveform of “1101”.

The signal detection means 11 in the hand-held circuit section 15 detects a digital signal based on the presence or absence of a voltage for each half-wave on the wiring 16, and uses the voltage shown in FIG.
(1) is detected. Signal receiving means 12
2 obtains the body information from the digital signal detected by the signal detecting means 11 and the signal ZVS, and supplies the contents of the dust amount shown in FIG. Output means 17
Performs output such as display and notification according to the contents of the amount of dust.

As described above, in addition to the baseband system for transmitting a signal depending on the presence or absence of the voltage of the commercial power supply 1, as shown in FIG.
A method of controlling the phase in synchronization with the VS or a method of changing the voltage value of the commercial power supply 1 as shown in FIG.
In short, any method can be used as long as it can transmit a digital signal while supplying power from the main body circuit section 8 to the hand circuit section 15.

As described above, according to the present embodiment, the wiring connecting the main body circuit section 8 and the hand circuit section 15 is connected to the hose 10.
2 and 107, only the two wirings 16 are provided.
The power is supplied from the commercial power supply to the hand-held circuit section 15 via the wiring 16 from the main body circuit section 8 to the hand-held circuit section 1.
By transmitting the main body information via the wiring 16 by omitting the power supply for a certain period for a certain period to the
Power supply and digital signal transmission can be realized while using only two wires 16 in the hoses 102 and 107, and the weight in the hoses 102 and 107 is reduced to a minimum, the weight is reduced, and the flexibility is improved. Alternatively, a central cleaner can be provided.

(Embodiment 2) Hereinafter, a second embodiment of the present invention will be described with reference to FIGS. The same components as those in the first embodiment are denoted by the same reference numerals, and detailed description is omitted. In the figure, reference numeral 21 denotes an operation means for a user to select and input an operation mode or the like; 22, a control signal generation means for generating a control signal for controlling the phase of the electric blower 2 in response to the input of the operation means 21; A hand transmitting / receiving means 24 for sending a control signal and receiving the main body information sent from the main body circuit section 8, receives a control signal and transmits the detection content of the dust amount detecting means 5 to the handy circuit section 15.
And a signal receiving means 25 for detecting a control signal from the signal received by the main transmitting / receiving means 23.

The operation of the above configuration will be described. ZVS generating means 4 and main circuit 15 in main body circuit 8
The ZVS generating means 10 in the power supply 1 outputs a signal ZVS from the commercial power supply 1.
Occurs. When the user inputs an arbitrary operation mode from the operation means 21, the control signal generation means 22 converts a control signal corresponding to the operation input into a digital signal and outputs the digital signal.
Output to The control signal generating means 22 is a ZVS generating means 1
The transmission timing is detected by the signal ZVS of 0, and the digital signal is output during the period of T2 while avoiding the signal transmission period to the hand circuit unit 15 (period of T1) as shown in FIG. 5C.

The main body transmitting / receiving means 24 supplies a signal detected from the wiring voltage in the hose during the period T2 to the signal receiving means 25. The signal receiving means 25 receives the digital signal from the main body transmitting / receiving means 24, generates a receiver control signal, and
, The electric blower 2 is operated in a predetermined operation mode. The garbage amount detection means 5 detects the amount of garbage in the main body of the electric vacuum cleaner, and transmits the content to the hand-held circuit section 1 from the main body transmission / reception means 24.
5 is transmitted in the period of T1. The handy transmitting / receiving means 23 receives the signal during the period T1, and outputs the received content through the output means 7.

As described above, according to the present embodiment, the wiring connecting the main body circuit section 8 and the hand circuit section 15 is connected to the hose 10.
2 and 107, only the two wirings 16 are provided.
Supplies a power supply voltage to the hand-held circuit portion 15 via the wiring 16 except for a predetermined time period, and also supplies a predetermined time period between the hand-held circuit portion 15 and the main body circuit portion 8 while avoiding the power supply voltage supply period. By transmitting and receiving the control signal of the hand circuit section 15 and the main body information from the main body circuit section 8 via the wiring 16 at certain intervals, the inside of the hoses 102 and 107 is
It is possible to provide a multifunctional and easy-to-operate vacuum cleaner by minimizing the wiring in the hoses 102 and 107, which can realize a large amount of power supply and mutual signal transmission and reception while using only the wiring 16.

[0029]

According to the first or second aspect of the present invention, the main circuit section and the local circuit section are connected by a plurality of wirings, and the commercial power supply voltage is supplied from the main circuit section to the local circuit section via the wiring. The power supply and signal transmission can be realized by transmitting the main body information via the wiring by controlling the form of the voltage output to this wiring or the voltage value, etc. Minimizing weight and flexibility, and improving operability.

According to a third aspect of the present invention, the wiring connecting the main body circuit portion and the local circuit portion is limited to only two wires in the hose, and the main power supply circuit is connected to the local circuit portion via the wiring. Is output to the wiring, and by controlling the form of the voltage to be output to the wiring or the voltage value, the main body information is transmitted via the wiring, so that the power is supplied while the hose has only two wirings. And signal transmission, the wiring in the hose can be minimized, the weight and the flexibility can be reduced, and the operability can be improved.

According to a fourth aspect of the present invention, the main body circuit outputs or does not output information to the wiring every half-wave of a commercial power supply voltage which is a supply voltage to the hand-held circuit portion within a certain period. Output the main body information to the wiring, and the hand-held circuit section decodes the digital signal by detecting the presence or absence of the voltage supplied within the certain fixed period, and outputs the content. With this configuration, only two wires connecting the main body circuit portion and the hand circuit portion are provided, and the power can be supplied from the main body circuit portion to the hand circuit portion by the wires, and the main circuit portion can be connected to the hand circuit portion by the wires. The information from the main body can be transmitted as a baseband signal, and can be realized with a simple configuration.

According to the present invention, the main body circuit outputs the information to the wiring as a power phase control amount, and the hand circuit decodes the phase control amount and outputs the contents. The main circuit section and the hand circuit section are connected only to two wires, and the power supply from the main circuit section to the hand circuit section can be supplied from the main circuit section to the hand circuit section by the wiring. Information from the main body can be transmitted with the amount of phase control of power, and higher speed transmission is possible.

According to a sixth aspect of the present invention, the main body circuit section outputs information to the wiring by changing the voltage level of the commercial power supply, and the hand circuit section decodes the voltage level of the commercial power supply and decodes the contents. Since the power is output, only two wires are used to connect the main body circuit portion and the local circuit portion, and the power can be supplied from the main body circuit portion to the local circuit portion by the wiring. The information from the main unit can be transmitted from the main unit to the hand-held circuit unit by changing the voltage level of the commercial power supply, and a highly reliable high-speed transmission with a cheaper configuration can be performed.

According to a seventh aspect of the present invention, the hand circuit section remotely controls the operation of the main body circuit section, and transmits a control signal of the electric blower corresponding to the operation input of the user at a timing when information from the main body is not transmitted. Output to the wiring, the main body circuit supplies power to the hand circuit, and receives a control signal from the hand circuit at a predetermined timing during a period in which information is not output to the wiring, and controls a phase control timing of the electric blower. Since the signal is generated, only two wires are used to connect the main body circuit part and the hand-held circuit part, and the signal transmission is performed using a period in which the signal transmission is bidirectional. Bidirectional communication between the main circuit unit and the hand-held circuit unit can be performed by the circuit configuration.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an overall configuration of a vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the overall configuration of another vacuum cleaner.

FIG. 3 is a block diagram showing a circuit configuration of the vacuum cleaner.

FIG. 4 is a waveform chart showing an operation of the vacuum cleaner.

FIG. 5 is a waveform chart showing the operation of the vacuum cleaner according to another example of the first embodiment and the second embodiment.

FIG. 6 is a block diagram showing a circuit configuration of the electric vacuum cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Commercial power supply 2 Electric blower 3 Power supply means 4 ZVS generation means 5 Garbage amount detection means 6 Signal generation means 7 Signal transmission means 8 Body circuit units 102 and 107 Hose 10 ZVS generation means 11 Signal detection means 12 Signal reception means 13 Output means 14 power supply means 15 hand circuit section 16 wiring 17 driving means 21 operating means 22 control signal generating means 23 hand transmitting / receiving means 24 main body transmitting / receiving means 25 signal receiving means

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tadashi Matsushiro 1006 Kadoma Kadoma, Osaka Prefecture F-term in Matsushita Electric Industrial Co., Ltd. 3B057 DA02 DA07 DE05

Claims (7)

[Claims] 1. A vacuum cleaner main body, a hose having one end detachably attached to the main body and a hand operation portion for operation at the other end, and an extension detachably attached to the other end of the hand operation portion. A pipe and a nozzle, a main body circuit section incorporated in the main body for controlling the electric blower, and a main body circuit section provided in at least a part of a cleaning section including the hose, the hand operation section, the extension pipe, the nozzle, and the like. A handy circuit for outputting information sent from the main body, and a plurality of wirings which are provided along the hose and connect the main body circuit and the handy circuit. Signal, and the commercial power supply voltage output to the wiring is controlled to 'ON' and 'OFF' in accordance with the digital signal, and the hand-held circuit unit controls the hand-held circuit unit by the voltage output to the wire. Drive At the same time, the digital signal transmitted from the main body is detected from the state of the supplied voltage with respect to the time axis of 'ON' and 'OFF', or the voltage value during a half cycle or one cycle, and according to the detection result. An electric vacuum cleaner configured to output the detection information content of the main body to at least a part of the cleaning unit. 2. A plurality of insertion ports installed on a wall, a floor, or the like, a main body communicating with the plurality of insertion ports via piping, one end of the insertion port is detachably attached to the insertion port, and the other end. A hose having a hand-operated part, an extension pipe and a nozzle detachably attached to the other end of the hand-operated part, and the main body has a main body circuit part for controlling an electric blower; A cleaning unit including a hand operation unit, an extension tube, and a nozzle, a hand circuit unit that outputs information sent from the main circuit unit, a main circuit unit and the hand circuit unit that are provided along the hose and And a plurality of wirings for connecting the power supply, and converts information detected in the main body, such as the amount of dust and the suction force of the electric blower, into a predetermined digital signal, and outputs a commercial power to the wiring according to the digital signal. Electric Control the pressure to 'ON' and 'OFF'
The hand-held circuit unit drives the hand-held circuit unit with the voltage output to the wiring, and controls the supplied voltage.
The digital signal transmitted from the main body is detected from the state with respect to the time axis of 'ON' and 'OFF', or the voltage value during a half cycle or one cycle, and the detection information content of the main body is determined according to the detection result. An electric vacuum cleaner configured to output to at least a part of the cleaning unit or the insertion port. 3. The vacuum cleaner according to claim 1, wherein only two wires are provided along the hose. 4. The main body circuit outputs the main body information to the wiring by outputting or not outputting a voltage to the wiring every half wave within a certain period of a commercial power supply voltage which is a supply voltage to the handy circuit. The digital signal is detected by detecting the presence or absence of the voltage, and the contents of the detection information on the main body side are output according to the detection result.
4. The vacuum cleaner according to claim 3. 5. The main body circuit section outputs information to a wiring as a phase control amount of electric power, and the hand circuit section detects the phase control amount and outputs detection information content of the main body side according to the detection result. The electric vacuum cleaner according to any one of claims 1 to 3, wherein: 6. A main body circuit section outputs information to a wiring by changing a voltage level of a commercial power supply, and a hand-held circuit section detects the voltage level and, based on a result of the detection, outputs detection information content on the main body side. The vacuum cleaner according to any one of claims 1 to 3, wherein the vacuum cleaner outputs a signal. 7. The hand-held circuit unit remotely controls a driving operation of the main body circuit unit, and outputs a control signal of the electric blower corresponding to an operation input of a user to a wiring at a timing when information from the main body is not transmitted. The unit supplies power to the hand circuit unit and receives a control signal from the hand circuit unit at a predetermined timing during a period in which information is not output to the wiring and generates a phase control timing signal of the electric blower. The vacuum cleaner according to any one of claims 1 to 6.