JP3094570B2 - Electric vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an electric motor having a rotating brush.
The present invention relates to a vacuum cleaner having a suction unit for a floor .

[0002]

2. Description of the Related Art Heretofore, this type of vacuum cleaner has generally been configured as shown in FIG. Hereinafter, the configuration will be described.

[0003] As shown in the figure, a cleaner body (hereinafter referred to as a body) 1 has a built-in electric blower 2, and has a suction port 3 with a hose 4, an extension pipe 5 and a rotating brush 6 for an electric floor suction. Section 7 is connected. A hand switch 8 is provided at the distal end of the hose 4, and by operating the hand switch 8, the rotation speed of the electric blower 2 disposed in the main body 1 is controlled.

[0004]

In the conventional method, since the suction power of the cleaner and the number of rotations of the rotary brush are constant during operation of the cleaner, particularly when operating the suction unit for the electric floor, the operation during the operation of the nozzle is performed. It was very inconvenient because it required force or the operating force was limited, and the suction force had to be suppressed.

[0005] The present invention has been made in view of the above problems, and has as its object to provide an easy-to-operate vacuum cleaner .

[0006]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The invention according to claim 1 of the present invention is an electric blower for suction, and an electric floor suction unit having a rotating brush ,
A control unit that controls the rotation speed of the electric blower, and a moving direction detecting unit that detects a moving direction of the suction unit,
Rotate in the direction to move the electric floor suction section forward.
The control unit rotates the transfer brush while rotating the transfer brush.
The electric floor suction unit is moved backward by the direction detection unit.
When it detects movement, it lowers the rotation speed of the electric blower.
It is to let .

According to a second aspect of the present invention, there is provided an electric blower for suction, an electric floor suction unit having a rotary brush, and a drive unit for driving the rotary brush.
A control unit that controls the rotation speed of the rotating brush, and a moving direction detecting unit that detects a moving direction of the electric floor suction unit, moves the electric floor suction unit forward.
Rotating the rotating brush in the direction
Is the electric floor suction unit by the moving direction detection unit.
Is detected to move backward, the rotational speed of the drive unit is detected.
Is to reduce .

[0008]

According to the first aspect of the present invention, an electric floor is used.
The moving direction of the suction unit is detected by the moving direction detection unit, and if the moving direction is backward, the rotation speed of the electric blower is reduced.
To reduce the suction force. In other words, the electric floor suction
So that the rotating brush moves forward when moving
Because it is rotating, there is no need to reduce the suction force.
When moving the floor suction section backward, use a rotating bra.
It will be moved against the direction of rotation of the
Reduce the operating force of the electric floor suction part by lowering the suction force
I have .

Further, in the invention according to claim 2 of the present invention,
The moving direction of the suction unit for electric floor detected by the movement direction detection unit, the rotational speed of the rotary brush their moving direction and a rear
Lower. In other words, the electric floor suction section
When moving, rotate the rotating brush to move forward
Operation without reducing the rotating speed of the rotating brush
The lightness is light, and conversely, the electric floor suction
Move the brush against the rotating direction of the rotating brush
As a result, the rotation speed of the rotating brush is reduced and
The floor suction unit is lightly operated, and the rotary
Even if the rotation speed of the brush decreases,
To reduce the dust scraping performance.
Can be suppressed .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.

A driving unit 11 drives an electric blower for suction, a suction unit 12 for an electric floor having a rotating brush, a control unit 13 for controlling a rotation speed of the electric blower, and a control unit 14 for the electric floor. A moving direction detection unit that is disposed at an appropriate position substantially in the vicinity of the suction unit and detects the movement direction of the electric suction unit on a substantially floor surface.

Next, the principle of detection by the moving direction detector 14 of the present embodiment will be described with reference to FIG. In the lower part of the electric floor suction unit 12 shown in the figure, a lever-type two-position switch 15 is arranged. Also, the rotating direction of the rotating brush
Moves the electric floor suction section forward as shown in FIG.
It is in the direction to move. Therefore, when the user cleans and the electric floor suction unit 12 is moved back and forth,
The position of the switch lever switches alternately due to friction with the floor. It is the detection principle of the present movement direction detecting section that detects the moving direction of the electric floor suction section 12 from that position.

The operation of this embodiment will be described below.
FIG. 3 shows an embodiment of the operation pattern.

When the electric floor suction unit 12 is moved in the front-rear direction when the user performs a cleaning operation, a detection signal as shown in FIG. You. This signal is input to the control unit 13 and a speed command of an operation pattern as shown in FIG.
1 is output. Thereby, the rotation speed of the electric blower is controlled in the same pattern. In this way, when the cleaning is performed, when the electric floor suction unit is moved forward, a strong suction force is obtained, and when pulled backward, a weak suction force is obtained.
Rotate to move the electric floor suction section backward
You have to move it against the direction of rotation of the brush.
To reduce the suction force and operate the electric floor suction section lightly.
Makes it easier to move, and sucks when pushing
The suction power has also been improved due to the increased power.

FIG. 4 shows a second embodiment of a vacuum cleaner according to the present invention. 21 is a vacuum cleaner driven by an electric blower for suction, 22
Is an electric floor suction unit having a rotating brush, 23 is a driving unit that drives the rotating brush, 24 is a control unit that controls the rotation speed of the rotating brush, and 25 is substantially in the vicinity of the electric floor suction unit. A moving direction detecting unit that is disposed at an appropriate position and detects a moving direction of the electric suction unit on a substantially floor surface.

The operation of this embodiment will be described below.
FIG. 5 shows an embodiment of the operation pattern.

[0017] The cleaning operation by the user is performed, rotation bra
The shaft is controlled in a rotation direction as shown in FIG . Subsequently, when the electric floor suction unit 12 is moved in the front-back direction, the detection signal as shown in FIG. This signal is input to the control unit 13, and a speed command of an operation pattern as shown in FIG. Thus, the rotation speed of the rotating brush of the driving unit 11 is controlled in the same pattern. In this manner, was subjected to cleaning, when moving the suction unit for electric floor forward rotating brush is a high rotation, when pulling backwards, suction for motorized bed with a rotating brush low rotation
The lightening of the operation of the part and the rotation speed of the rotating brush
Move the brush against the rotating direction even if the
By doing so, it is possible to suppress a decrease in dust scraping performance .
Moreover, when the electric floor suction unit is moved forward
Since the rotating speed of the rotating brush is high , the garbage winding performance has improved.

[0018]

As described above, according to the first aspect of the present invention,
According to the present invention, the moving direction of the electric floor suction unit is detected by the moving direction detection unit, and the rotational speed of the electric blower is controlled according to the moving direction to adjust the suction force, whereby the electric suction section operating floor Ru performed more lightly.

Further , according to the invention described in claim 2 of the present invention.
For example , the movement direction of the electric floor suction unit is detected by the movement direction detection unit, and the rotation speed of the driving unit of the rotating brush is controlled in accordance with the movement direction, so that the operation of the electric floor suction unit can be further improved. It can be done lightly, and it has good dust scraping properties
The reduction in performance can be suppressed .

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a first embodiment of a vacuum cleaner according to the present invention.

FIG. 2 is a configuration diagram of a moving direction detecting unit of the first embodiment of the vacuum cleaner of the present invention.

FIG. 3 is a diagram showing an operation pattern in the first embodiment of the vacuum cleaner of the present invention.

FIG. 4 is a configuration diagram showing a second embodiment of the vacuum cleaner of the present invention.

FIG. 5 is a diagram showing an operation pattern in a second embodiment of the vacuum cleaner of the present invention.

FIG. 6 is a diagram showing a configuration of a vacuum cleaner in a conventional example.

[Description of Signs] 2 Electric blower 11 Drive unit 12 Electric floor suction unit 13 Control unit 14 Nozzle movement direction detection unit 22 Electric floor suction unit 23 Drive unit 24 Control unit 25 Nozzle movement direction detection unit

Continuation of the front page (72) Inventor Masaru Moro 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-2-34137 (JP, A) JP-A-3-202032 (JP) , A) Patent 2943316 (JP, B2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L 9/28

Claims (2)

(57) [Claims] An electric blower for suction and a rotating brush
An electric floor suction unit having: a control unit that controls a rotation speed of the electric blower; and a moving direction detection unit that detects a moving direction of the suction unit, the electric floor suction unit comprising:
Rotate the rotating brush in the direction to move the
And the control unit is moved forward by the movement direction detection unit.
Detecting the electric floor suction unit moving backward
And a vacuum cleaner for reducing the rotation speed of the electric blower . 2. An electric blower for suction, an electric floor suction unit having a rotating brush, a driving unit for driving the rotating brush, a control unit for controlling a rotation speed of the rotating brush, and The electric floor suction unit includes a movement direction detection unit that detects a movement direction of the suction unit for floors.
If you rotate the rotating brush in the direction to move
In addition, the control unit controls the electric direction by the moving direction detection unit.
When it detects that the suction unit for the type floor moves backward,
A vacuum cleaner that reduces the rotation speed of the drive .