JPH11253376A - Remote controller for vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the manufacture of a hose and to reduce the weight of the hose by remote-controlling a motor provided at a main body through a radio signal according to the operation of a key input part on the side of a handle to unneceeitate a communication cable provided within the hose. SOLUTION: The handle connected with the suction hose of a vacuum cleaner is provided with the on/off button of the vacuum cleaner and plural selecting buttons for instructing suction force stepwise and provided with a key input part 400 outputting a corresponding key signal by the button operation of these buttons and an RF signal call-originating part 500. On the other hand an RF signal receiving part 600 is provided the outer side part of a main body incorporating the motor 810 generating suction force. The part 500 is provided with an RF signal generation part 510, etc., outputting a signal wave equivallent to a key signal when the key signal is inputted from a key input part 400, and the generated signal wave is received by the part 600 to control the driving of the motor 810.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly, to a remote controller for a vacuum cleaner capable of remotely controlling the operation of a vacuum cleaner body from a key input unit on a handle side through wireless communication. is there.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 1, a vacuum cleaner has a suction section 10 for sucking dust and foreign matters on the floor of a cleaning area.
And a communication section 20 for smoothly transferring the dust sucked by the suction section 10 to a dust collection chamber provided in the main body 30 described below.
And a main body 30 that generates a suction force while collecting dust transferred by the communication section 20. Here, the suction section 10 is provided with two first sections provided on both sides thereof.
And a connecting pipe 12 integrally formed at the upper end of the tail.

Further, the communication part 20 is composed of a first extension pipe 21 and a second extension pipe 22 made of a plastic material, which are connected so as to communicate with the hollow part of the connection pipe 12, and the first and second extension pipes. The handle 23 is connected to the second extension pipes (21, 22), and the hose 24 is connected to the handle 23 so as to communicate with the handle 23 and also smoothly winds.

Here, the handle 23 is provided with a button for ON / OFF control of the vacuum cleaner and for adjusting the suction force of the air in a stepwise manner. When the button is operated, a key signal corresponding to the button is output. A communication cable (not shown) is provided inside the hose 24 so as to be applied to the main body 30 described below via a key signal output from the key input unit 40. I have.

Further, on the outer side of the main body 30, a hose connector 31 to which the terminal end of the hose 24 is connected, and a dust display portion 33 for displaying the amount of dust collected in a dust collecting chamber described later. And a pair of second transfer wheels 34 provided on both sides thereof, a transport handle 35, and a power plug 36 for supplying power. Further, a motor (not shown) is provided in the main body 30, an impeller (not shown) that is rotated in conjunction with the motor to generate suction force, and a dust collector (not shown) that collects dust sucked by the impeller. A room is provided.

[0006]

As described above, in the conventional vacuum cleaner, since the communication cable for transmitting the key signal is provided inside the hose 24, the hose 24 is not provided.
In addition, there is a problem that the manufacture of the handle is complicated and complicated, and the hose 24 is too heavy.

Accordingly, the present invention has been made to solve the above-mentioned various problems, and an object of the present invention is to control the driving of a motor provided on a main body through a radio signal at a handle-side key input unit. By providing control, it is not necessary to provide a communication cable in the hose, so that the hose can be manufactured easily, and a remote controller for the vacuum cleaner that can be used for formulating by reducing the weight of the hose is provided. It is in.

[0008]

SUMMARY OF THE INVENTION A remote control device for a vacuum cleaner according to the present invention, which has been made to achieve the above object, absorbs foreign matter such as dust by suction force generated by driving a motor. A vacuum cleaner for collecting dust in a dust collecting chamber, comprising a plurality of buttons for adjusting the on / off and rotation speed of the motor, and outputting a key signal corresponding to the operation of the button when the button is operated. An input unit, wireless transmission / reception means for wirelessly transmitting / receiving a key signal from the key input unit, and motor drive control for adjusting on / off and rotation speed of the motor according to the key signal received through the wireless transmission / reception means And means.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 2 is a schematic external structural view of a vacuum cleaner to which the present invention is applied. The vacuum cleaner to which the present invention is applied includes a suction unit 100 for sucking dust and foreign matters, and suction by the suction unit 100. The communication unit 200 includes a communication unit 200 configured to transfer refuse to be collected to a dust collection chamber provided in the main body 300 described below, and a main body 300 configured to collect the trash transferred by the communication unit 200.

Here, the communicating part 200 is connected to the extension pipe 210 and the handle 220 connected to the extension pipe 210, and is connected to the handle 220 so as to smoothly bend. Hose 230 that is in use.

As shown in FIG. 3, the handle 220 is provided with a plurality of selection buttons for inputting a command for a user to instruct on / off and suction input of the vacuum cleaner in a stepwise manner. A key input unit 400 for outputting a key signal corresponding to the operation of the button and an RF signal transmission unit 500 described later are provided.

Further, an RF signal receiving section 600, which will be described later, is provided outside the main body 300.
A motor 810 to be described later, an impeller (not shown) rotated in conjunction with the motor to generate suction force, and a dust collection chamber (not shown) for collecting dust sucked by the impeller are provided therein. Have been.

FIG. 4 is a schematic block diagram showing a remote controller for a vacuum cleaner according to an embodiment of the present invention.
The remote control device according to the present invention includes a key input unit 400, an RF signal transmitting unit 500, an RF signal receiving unit 600, and a control unit 7.
00, a motor drive unit 800, and a motor 810.

In FIG. 4, an RF signal transmitting section 500 has an R
An F signal generating section 510, a transmitting oscillating section 520, a modulating section 530, a transmitting section 540, and a transmitting antenna 550 are provided.
When a key signal is input from the oscilloscope, a signal wave corresponding to the input key signal is output, and the oscillation unit for transmission 520 oscillates a carrier wave having a frequency suitable for wireless communication. , The modulation section 530 is a transmission oscillation section 520.
The signal wave output from the RF signal generating section 510 is put on the carrier wave oscillated from the radio frequency (Radio Fre
The transmitting unit 540 amplifies the RF signal modulated by the modulating unit 530 and transmits the RF signal through the transmitting antenna 550.

Further, the RF signal receiving section 600 includes a receiving antenna 610, a receiving section 620, and a receiving oscillating section 6
30; a demodulation unit 640; and an RF signal processing unit 650. The receiving unit 620 is a transmitting unit 540 of the RF transmitting unit 500.
The RF signal output from the receiving antenna 610 and amplified by the receiving antenna 610 is amplified. The receiving oscillation unit 630 oscillates at the same frequency as the carrier wave of the transmitting oscillation unit 520, and is demodulated. The section 640 extracts the original signal wave from the RF signal amplified by the receiving section 620 according to the frequency oscillated by the receiving oscillation section 630, and the RF signal processing section 650 is extracted from the demodulating section 640. The generated signal wave is converted into an original key signal by signal processing and applied to the control unit 700.

Further, the control unit 700 controls the RF signal receiving unit 6
A control signal for adjusting the on / off and rotation speed of the motor 810 is output in accordance with the key signal applied from the RF signal processing unit 650 of FIG. The input power of the motor 810 is adjusted according to the applied control signal to
The motor 810 is driven by a power source applied from a motor drive unit 800 to rotate the impeller.

An operation example of the present invention configured as described above will be described in detail with reference to FIGS. In an initial state, when power is supplied to the RF signal transmission unit 500 of the handle 220 from a predetermined power supply source (for example, a battery), a frequency suitable for wireless communication is transmitted from the transmission oscillation unit 520 of the RF signal transmission unit 500. When a power plug (see 36 in FIG. 1) of the main body 300 is connected to a power outlet (not shown), power is supplied to the main body 300 and the receiving oscillation section 6 of the RF signal receiving section 600 is supplied.
From 30, the same frequency as the carrier wave of the oscillation unit for transmission 520 is oscillated.

At this time, the user operates the buttons (for example, strongest, strongest,
When the user operates a selection button (medium, weak, stop, etc.), the key input unit 400 outputs a key signal corresponding to the button operation. The key signal output from the key input unit 400 is converted into a signal wave corresponding to the key signal by the RF signal generator 510 of the RF signal transmitter 500, and is output from the RF signal generator 510 of the RF signal transmitter 500. The modulated signal wave is superimposed on the carrier wave oscillated from the oscillation unit for transmission 520 by the modulation unit 530, modulated into an RF signal, and output.

The R output from the oscillation unit for transmission 520
The F signal is amplified by the transmitting unit 540 to a predetermined amplification factor suitable for wireless communication, and is transmitted through the transmitting antenna 550. The transmitting antenna 550 of the RF signal transmitting unit 500
Is received by the receiving antenna 610 of the RF signal receiving section 600, and the RF signal received through the receiving antenna 610 is amplified by the receiving section 620 to a predetermined amplification factor and output.

The RF signal output from the receiving section 620 is demodulated by a demodulating section 640 into an original signal wave according to the frequency oscillated from the receiving oscillation section 630, and the demodulated signal wave is converted to an RF signal processing section. The signal is processed at 650 and converted into the original key signal, and then applied to the control unit 700. At this time, the control unit 700 determines a user command corresponding to the key signal input from the RF signal processing unit 650 of the RF signal receiving unit 600, that is, an air suction input selected by the user, and according to the determination result. Outputs control signal.

That is, the control section 700 outputs a control signal for driving the motor 810 at a speed corresponding to the suction force selected by the user or a control signal for stopping the driving of the motor 810 according to a user's command. . The motor drive unit 80 is controlled by a control signal from the control unit 700.
When power is supplied to or shut off from the motor 810 from 0, and power is applied to the motor 810 from the motor driving unit 800, the motor 810 is rotated by the supply of the power.

When the motor 810 is driven as described above, the suction force corresponding to the rotation speed of the motor 810 is generated while the impeller in the main body 600 rotates in conjunction with the motor 810, and foreign matter such as dust is generated. It is sucked into the dust collection chamber of the main body 300 through the suction part 100 and the communication part 200. Thereafter, when the user operates a button provided on the key input unit 400 of the handle 220 to stop the operation of the vacuum cleaner or change the air suction input, a key signal output from the key input unit 400 is output. Is transmitted and received as an RF signal and applied to the control unit 700, and the control signal of the control unit 700 controls the driving of the motor 800.

On the other hand, another embodiment of the present invention is shown in FIG.
Will be described in detail with reference to FIG. FIG. 5 is a schematic block diagram showing a remote controller for a vacuum cleaner according to another embodiment of the present invention. As can be seen from FIG. 5, a vacuum cleaner according to another embodiment of the present invention is shown. The remote control device includes the key input unit 400, the DTMF signal transmission unit 900, the DTMF signal reception unit 1000, the control unit 7
00, a motor drive unit 800, and a motor 810.

Here, since the basic structure of the present invention is the same as the structure shown in FIGS. 2 to 4, the same components are denoted by the same reference numerals and the detailed description thereof will be omitted. . In FIG. 5, a DTMF signal transmitting section 900 is a DTMF signal transmitting section.
F signal generating section 910, transmitting oscillating section 920, modulating section 930, transmitting section 940, transmitting antenna 95
When a key signal is input from the key input unit 400, the DTMF signal generator 910 receives a DTMF signal (Dual Tone Mu) corresponding to the input key signal.
lti-Frequency Pulsed), the transmission oscillation unit 920 oscillates a carrier wave having a frequency suitable for wireless communication, and the modulation unit 930 outputs the carrier wave oscillated by the transmission oscillation unit 920 from the DTMF signal generation unit 910. The transmitting section 940 amplifies the DTMF signal modulated by the modulating section 930 and transmits the amplified DTMF signal through the transmitting antenna 950.

Further, the DTMF receiving section 1000 includes a receiving antenna 1010, a receiving section 1020, a receiving oscillating section 1030, a demodulating section 1040, and a DTMF signal processing section 1050. 9
00, which is received through the receiving antenna 1010, that is, the DTMF on the carrier.
The signal is amplified, and the receiving oscillator 1030 is turned on by the transmitting oscillator 9.
20 and oscillates at the same frequency as the demodulation unit 1040.
At step 020, the original DTMF signal is extracted from the amplified signal. The DTMF signal processing unit 1050 processes the DTMF signal extracted from the demodulation unit 1040, converts the signal into a key signal corresponding to the DTMF signal, and applies the key signal to the control unit 700.

An operation example of the present invention configured as described above will be described in detail with reference to FIG. In an initial state, when power is supplied to the DTMF signal transmitting unit 900 from a predetermined power supply source (for example, a battery), a carrier having a frequency suitable for wireless communication is transmitted from the transmitting oscillation unit 920 of the DTMF signal transmitting unit 900. Oscillated, body 3
When the power plug (see 36 in FIG. 1) is connected to a power outlet (not shown), power is supplied to the main body 300 and the receiving oscillation unit 10 of the DTMF signal receiving unit 1000 is connected.
From 30, the same frequency as that of the oscillation unit for transmission 920 is oscillated.

At this time, the user can select a button (for example, strongest, strong,
When the user operates a selection button (medium, weak, stop, etc.), the key input unit 400 outputs a key signal corresponding to the operation of the button. The key signal output from the key input unit 400 is converted into a corresponding DTMF signal by a DTMF signal generation unit 910 of the DTMF signal transmission unit 900 and output, and output from the DTMF signal generation unit 910 of the DTMF signal transmission unit 900. The modulated DTMF signal is supplied to a modulation section 930.
Is output on the carrier wave oscillated from the oscillation unit 920 for transmission.

The DTMF signal output on the carrier wave from the transmission oscillation section 920 is amplified by the transmission section 940 to a predetermined amplification factor suitable for wireless communication, and is transmitted to the transmission antenna 9.
It is transmitted through 50. The DTMF signal transmitter 90
The signal transmitted from the transmitting antenna 950 of 0 is DTM
The signal received by the receiving antenna 1010 of the F signal receiving unit 1000 and received through the receiving antenna 1010 is amplified by the receiving unit 1020 to a predetermined amplification factor and output.

The signal output from the receiving unit 1020 is demodulated by the demodulating unit 1040 into an original DTMF signal according to the frequency oscillated from the receiving oscillating unit 1030, and the demodulated DTMF signal is converted into a DTMF signal processing unit 1050. After the signal processing is performed by the control unit 700 and converted into the original key signal, the control unit 700
Is applied to

At this time, the control unit 700 determines a user command corresponding to the key signal input from the DTMF signal processing unit 1050 of the DTMF signal receiving unit 1000, that is, determines a user-selected air suction input, and A control signal based on the result of the determination is output. That is. Control unit 700
Outputs a control signal for driving the motor 810 at a speed corresponding to the suction input selected by the user or a control signal for stopping the driving of the motor 810 in response to a command from the user.

When power is supplied or cut off from the motor driving unit 800 to the motor 810 according to a control signal from the control unit 700, and when power is applied to the motor 810 from the motor driving unit 800, the power is supplied to the motor 810. 81
0 is driven. When the motor 810 is driven as described above, an impulse corresponding to the rotation speed of the motor 810 is generated while rotating the impeller in the main body 600 in conjunction with the motor 810, and foreign matter such as dust is generated by the suction unit 100. Then, the air is sucked into the dust collection chamber of the main body 300 through the communication section 200.

Thereafter, when the user operates a button provided on the key input section 400 of the handle 220 to stop the operation of the vacuum cleaner or change the air suction input, the output from the key input section 400 is obtained. The key signal is transmitted and received in the form of a DTMF signal, applied to the control unit 700, and the driving of the motor 800 is controlled according to the control signal from the control unit 700.

[0033]

As described above, when the present invention is used,
By remotely controlling the drive of the motor provided on the main unit through a wireless signal at the key input section on the handle side, there is no need to provide a communication cable inside the hose, making hose manufacture simple and reducing the weight of the hose. Being used has a tonal effect.

[Brief description of the drawings]

FIG. 1 is a schematic external structural view of a conventional vacuum cleaner.

FIG. 2 is a schematic external structural view of a vacuum cleaner to which the present invention is applied.

FIG. 3 is an enlarged schematic view of a button of a key input unit shown in FIG. 2;

FIG. 4 is a schematic block diagram showing a remote control device of the vacuum cleaner according to the embodiment of the present invention.

FIG. 5 is a schematic block diagram showing a remote control device of a vacuum cleaner according to another embodiment of the present invention.

[Explanation of symbols]

 400 Key input unit 500 RF signal transmission unit 600 RF signal reception unit 700 Control unit 800 Motor drive unit 810 Motor 900 DTMF signal transmission unit 1000 DTMF signal reception unit

Claims (5)

[Claims] 1. A vacuum cleaner for sucking foreign matter such as dust by a suction force generated by driving of a motor and collecting the foreign matter in a dust collecting chamber, wherein a plurality of on / off and rotation speeds of the motor are adjusted. A key input unit for outputting a key signal corresponding to the operation of the button when the button is operated; a wireless transmitting / receiving unit for wirelessly transmitting / receiving a key signal from the key input unit; A remote control device for the vacuum cleaner, comprising: motor drive control means for adjusting the on / off and rotation speed of the motor according to the key signal. 2. An RF signal transmitting section for modulating a key signal output from the key input section into an RF signal corresponding to the key signal and transmitting the RF signal, and an RF signal transmitted from the RF signal transmitting section. 2. The remote control device for a vacuum cleaner according to claim 1, further comprising: an RF signal receiving unit that receives, demodulates, and converts the signal into an original key signal. 3. The key input unit and the RF signal transmitting unit are provided on a handle side of the vacuum cleaner, and the RF signal receiving unit and the motor drive control unit are provided on a main body of the vacuum cleaner provided with the motor. The remote controller for a vacuum cleaner according to claim 2, wherein the remote controller is provided. 4. The DTMF signal transmitting section for converting a key signal output from the key input section into a corresponding DTMF signal and transmitting the DTMF signal on a carrier wave, and transmitting the carrier signal from the DTMF signal transmitting section to the DTMF signal transmitting section. 2. The remote control device for a vacuum cleaner according to claim 1, further comprising: a DTMF signal receiving unit that receives and demodulates a DTMF signal transmitted and transmitted on a DTMF signal and converts the DTMF signal into an original key signal. 5. The vacuum cleaner according to claim 1, wherein the key input unit and the DTMF signal transmitting unit are provided on a handle of the vacuum cleaner, and the DTMF signal receiver and the motor drive control unit are provided on a main body of the vacuum cleaner provided with the motor. The remote control device for a vacuum cleaner according to claim 4, wherein the remote control device is provided.