JPH11197073A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply confirm amt. of dust in a dust collecting room. SOLUTION: A vacuum cleaner storing amt. of dust in a dust collecting room by suction force of a motor-driven blower 1 is constituted of a displaying means 5 displaying the amt. of dust in the dust collecting room and consisting of a light-emitting part, an air flow detecting means 3 for detecting a sucked air flow, an amplification means 4 for amplifying an output signal from the air flow detecting means 3 and a control means 2 which judges the amt. of dust in the dust collecting room based on the output signal of the amplification means 4 and controls an on/off period of the displaying means 5 and when the air reflow detecting means 3 detects that the amt. of dust is increased and the air flow is decreased, a user is informed of the amt. of dust ayt quickening the on/off period of the displaying measure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vacuum cleaner used for general home and business use.

[0002]

2. Description of the Related Art A conventional vacuum cleaner will be described with reference to FIGS.

FIG. 13 shows the overall configuration of a vacuum cleaner.
That is, a dust collection chamber 26 in which a paper bag 25 for accumulating dust can be mounted is provided at the front of the cleaner body, and an electric blower chamber 30 containing the electric blower 24 is provided at the rear.

As a display means for displaying the amount of dust in the dust collection chamber 26, there is a display means shown in FIG. Tube part 31
A cylindrical display portion 34 is disposed so as to be movable inside the display portion. The display portion 34 is divided into a green 34b and a red 34a, and an extensible spring 32 is attached to one end of the display portion 34. 32, the display unit 3 is moved in the direction opposite to the arrow A direction.
4 had been energized. Further, a rubber duct 33 communicating with the inside of the dust collecting chamber 26 is connected to one end of the cylindrical portion 31.
Then, when the amount of dust in the dust collection chamber 26 increases and the vacuum pressure in the dust collection chamber 26 increases, the display unit 34 moves in the direction A against the urging force of the spring 32, and the cylinder of the display unit 34 The position in the part 31 is confirmed so that the amount of dust in the dust collection chamber 26 can be confirmed.

In recent years, as shown in FIG. 13, a pressure sensor 27 for detecting the pressure in the dust collection chamber 26, and the amount of dust in the dust collection chamber 26 is determined according to the output of the pressure sensor 27. Some include a control unit 28 and a display unit 29 for displaying the amount of dust determined by the control unit 28.

[0006]

In the former vacuum cleaner, it took a long time to determine the optimum spring pressure of the spring 32. In addition, the display unit 34 displays the dust collection chamber 2.
6 moves by the vacuum pressure in the dust collection chamber 26, if the vacuum pressure in the dust collection chamber 26 fluctuates, the display unit also moves to the left and right, it is difficult to check the amount of dust, and the dust is full and used for a long time. There was fear.

Further, in the latter vacuum cleaner, since the display is made when the amount of dust is full, it is not possible to confirm the amount of dust until the dust collection chamber 26 is full of dust. It was not possible to confirm the time to replace the dust bag, and the usability was poor.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a vacuum cleaner for easily confirming the amount of dust in a dust collecting chamber.

[0009]

In order to achieve the above object, the present invention provides an air flow detecting means for detecting an air flow to be sucked, and an amount of dust collected in the dust collecting chamber according to an output of the air flow detecting means. Since the control means changes the blinking cycle of the display means according to the amount of dust in the dust collection chamber, the blinking cycle of the display means changes as the amount of dust increases. By confirming the blinking cycle, the user can reliably grasp the amount of dust.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION
An electric blower that generates a suction force, a dust collection chamber for storing dust sucked by the electric blower, a display unit including a light emitting unit that displays the amount of dust in the dust collection chamber, and a detector for detecting the amount of air to be sucked. Air volume detection means, and control means for determining the amount of dust collection in the dust collection chamber according to the output of the air volume detection means, the control means of the display means according to the amount of dust in the dust collection chamber According to this configuration, the blinking cycle of the display means changes as the amount of dust increases, and by confirming the blinking cycle, the user can reliably grasp the amount of dust. . Further, since the display is performed by changing the blinking cycle, only one light emitting unit may be used, and the number of parts of the display means can be reduced, and the assembling property can be improved.

According to a second aspect of the present invention, there is provided an electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, and a light emitting device for displaying an amount of dust in the dust collecting chamber. Display means comprising a unit, an air flow detecting means for detecting an air flow to be sucked, and a control means for determining an amount of dust collected in the dust collecting chamber according to an output of the air flow detecting means, wherein the control means is The brightness of the display means is changed according to the amount of dust in the dust collection chamber. According to this configuration, the brightness of the display means changes as the amount of dust increases, and the brightness is confirmed by confirming the brightness. The person can surely grasp the amount of dust. Further, since the display is performed by changing the brightness, only one light emitting unit may be used, and the number of parts of the display means can be reduced, and the assembling property can be improved.

According to a third aspect of the present invention, there is provided an electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, and a light emitting device for displaying the amount of dust in the dust collecting chamber. And a signal processing unit that drives the display unit in accordance with the output of the generator. According to this configuration, the generator Since the display means can be operated by the output of (1), a power supply for driving the display means can be omitted.

According to a fourth aspect of the present invention, a power generator, a display means, and a signal processing section are provided in a hand operation section or a suction tool. Even with a hand-operated part or a suction tool that must be applied, the amount of dust can be easily displayed without applying power wiring, and the hand-operated part and the suction tool can be used even when the vacuum cleaner is in use. This is a place where the user can easily confirm, and the display means can be easily confirmed.

The invention according to claim 5 of the present invention is the invention according to claim 1.
Alternatively, a generator that generates power by air flow is used as the air volume detection means according to the invention described in item 2, and according to this configuration, the circuit configuration can be simplified and the cost can be reduced.

The invention according to claim 6 of the present invention is the invention according to claim 1.
It has a blinking cycle determining means for determining the blinking cycle of the display means of the invention described, and when the number of times of blinking of the display means reaches a certain number, the control means reduces the rotation speed of the electric blower,
The temperature rise of the electric blower can be prevented, and the electric blower can be protected.

The invention according to claim 7 of the present invention is the invention according to claim 2.
The invention has brightness determining means for determining the brightness of the display means, checks the time during which the display means is brightest, and reduces the number of revolutions of the electric blower when a predetermined time has elapsed, so that the temperature of the electric blower increases. And protect the electric blower.

According to an eighth aspect of the present invention, there is provided an electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, and a light emitting device for displaying an amount of dust in the dust collecting chamber. Display means comprising a unit, an air flow detecting means for detecting an air flow to be sucked, and a control means for determining an amount of dust collected in the dust collecting chamber according to an output of the air flow detecting means, wherein the control means is According to this configuration, both the blinking cycle and the brightness of the display means are changed according to the amount of dust in the dust collection chamber. By doing so, the user can be more reliably notified of the amount of dust, and the recognition performance is improved.

The ninth aspect of the present invention is the first aspect of the present invention.
In the invention described in the above, there is provided a notifying means for notifying the amount of dust in the dust collecting chamber by sound, and by notifying each person simultaneously with blinking of the display means, the amount of dust in the dust collecting chamber can be more reliably provided to the user. It can be notified and the recognition can be improved.

[0019]

(Embodiment 1) A first embodiment of the present invention will be described below with reference to FIGS. First, the configuration of the vacuum cleaner body will be described with reference to FIG. An electric blower 1 that generates a suction force behind a vacuum cleaner body (hereinafter, referred to as a body) 7.
An electric blower room 6 for accommodating the electric blower is provided, and a dust collecting chamber 8 to which the suction force of the electric blower 1 acts is provided in front of the main body 7.
In the dust collecting chamber 8, a dust collecting bag 9 for storing dust sucked by the suction force of the electric blower 1 is mounted.

Next, the electric circuit configuration of this embodiment will be described with reference to FIG. Reference numeral 5 denotes a display unit that displays the amount of dust collected in the dust collection chamber 8 and includes one light emitting unit. Reference numeral 3 denotes an air flow detecting means for detecting the amount of air sucked by the electric blower 1. The output of the air flow detecting means 3 is amplified by the amplifying means 4 and outputted to the control means 2. The control means 2 determines the amount of dust collected in the dust collection chamber 8 according to the output of the air volume detection means 3, and changes the blinking cycle of the display means 5 according to the determined amount of dust in the dust collection chamber 8. Reference numeral 17 denotes a power supply unit for supplying power to the control means 2, the display means 5, the air flow detecting means 3, and the amplifying means 4. Reference numeral 18 denotes an operation switching unit provided in the hand operation unit, and the control unit 2 controls the amount of electricity supplied to the electric blower 1 via a driving unit 19 such as a triac according to the setting of the operation switching unit such as strong operation and weak operation. Variable.

The operation of the above configuration will be described with reference to FIG. That is, the blinking cycle of the display means 5, for example, one light emitting unit (eg, an LED) can be changed by the control means 2 in accordance with the amount of dust in the dust collection chamber 8, and no blinking occurs when the air volume is between A and B. , B to C, the blink period is the longest, D to E the shortest, and C to D is a middle blink period between BC and D to E.

As described above, when the amount of dust in the dust collecting chamber 8 increases, the amount of air sucked decreases, and the blinking cycle of the display means 5 is changed according to the amount of air. The user can recognize the amount of dust in the dust collection chamber 8 by checking the blinking period of the display means. Further, since the display is performed by changing the blinking cycle, only one light emitting unit may be used, the number of parts of the display means can be reduced, the assemblability can be improved, and the cost can be reduced.

In this embodiment, the detection position of the air volume detecting means 3 is not described, but any position where the air volume changes in accordance with the increase in the amount of dust in the dust collecting chamber 8 may be used. The amount of air flowing into the electric blower room 6 may be detected. In addition, the operation switching unit 18 switches between the strong operation and the weak operation. In this case, since the energization amount of the electric blower 1 is different between the strong operation and the weak operation, the air amount also depends on the energization amount of the electric blower 1. Therefore, it is preferable to provide a relationship graph between the air volume and the blinking cycle shown in FIG. 3 for the case of the strong operation and the case of the weak operation, respectively.

(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 description thereof will be omitted.

The present embodiment is characterized in that the control means 2 changes the brightness of the display means 5 in accordance with the output of the air volume detection means 3, that is, the amount of dust in the dust collection chamber 8, and other features. The configuration is the same as that of the first embodiment, and the description is omitted.

The operation of the above configuration will be described with reference to FIG. That is, the brightness of the display means 5, for example, one light-emitting unit (eg, an LED) can be changed by the control means 2 in accordance with the amount of dust in the dust collection chamber 8, and is turned off when the air volume is between A and B. Between B and C, the lighting brightness is made the darkest, and between D and E, the lighting brightness is made the brightest.
Between D, the brightness is intermediate between BC and DE.

As described above, when the amount of dust in the dust collection chamber 8 increases, the amount of air sucked decreases, and the brightness of the display means 5 is changed according to the amount of air. The user can recognize the amount of dust in the dust collection chamber 8 by checking the brightness of the display unit 5. In addition, since the display is performed by changing the brightness, only one light emitting unit may be used, the number of parts of the display means can be reduced, the assemblability can be improved, and the cost can be reduced.

In the present embodiment, the operation switching unit 18 switches between the strong operation and the weak operation. In this case, however, the amount of power supplied to the electric blower 1 differs between the strong operation and the weak operation. Since it changes depending on the amount of power supplied to the electric blower 1, it is preferable to provide the relationship graph between the air volume and the brightness shown in FIG. 4 for the case of the strong operation and the case of the weak operation, respectively.

(Embodiment 3) A third embodiment of the present invention will be described below with reference to FIGS. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

A hand operation unit 20 is provided in a part of the dust path 13, and the generator 10 is provided in the hand operation unit 20 as air flow detecting means for detecting the air flow. An opening facing the dust suction path 13 is provided in the hand operation unit 20, and the generator 10 is arranged in this opening so that the hand operation unit 20 can be rotated by the amount of intake air flowing through the dust path 13. One LED, that is, a display unit 12 which is a light emitting unit, is connected to the generator 10. The display unit 12 is formed on the upper surface 20a of the hand operation unit 20 so that the brightness of the display unit 12 can be confirmed from the upper surface. Reference numeral 11 denotes a resistor (signal processing unit) that limits the current flowing into the display unit 12 and drives the display unit 12.

The operation of the above configuration is as follows.
That is, the brightness of the display means 5 can be changed by the output voltage of the generator 8, and the amount of dust in the dust collection chamber 8 can be changed by the user by changing the lighting brightness according to the air volume without using a dedicated power supply. , The recognizability can be improved, and the configuration can be made at low cost. In addition, since the display position of the display unit 12 is provided on the upper surface of the hand operation unit 20, the brightness of the display unit 12 can be confirmed even during the cleaning operation, and the usability is good.

(Embodiment 4) A third embodiment of the present invention will be described below with reference to FIGS. The same components as those in the third embodiment are denoted by the same reference numerals, and description thereof will be omitted.

An air flow detecting means for detecting the air flow is formed by the generator 10, an opening is provided in the dust path 13 of the suction device 14, and the generator 10 is disposed in the opening.
Therefore, the generator 10 can be rotated by the amount of intake air flowing through the dust path 13. On the output side of the generator 10, a display means 12 composed of one light emitting portion for displaying the amount of dust in the dust collection chamber 8 is connected, and this display means 12 is arranged on the upper surface in front of the suction device 14. 11 is a display means 12
Is a signal processing unit for driving.

The operation of the above configuration is as follows.
That is, the output voltage of the generator 10 causes the display
By changing the lighting brightness according to the air volume without using a dedicated power supply, the user can be informed of the amount of dust in the dust collection chamber 8.
, It is easy to check even during cleaning, and it can be configured at low cost. Further, since the arrangement position of the display means 12 is provided on the upper surface of the suction tool 14, the brightness of the display means 12 can be confirmed even during the cleaning work,
Easy to use.

(Embodiment 5) A fourth embodiment of the present invention will be described below with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

An air flow detecting means for detecting the air flow is formed by the generator 10, an amplifying means 4 for amplifying the output of the generator 10 is provided, and a display for displaying the amount of dust in the dust collecting chamber 8 is provided. It comprises a display means 5 composed of two light emitting units and a control means 2 for controlling the brightness of the display means 5 according to the amount of dust in the dust collection chamber 8 based on the output signal of the amplification means 4.
The other configuration is the same as that of the first embodiment, and the description is omitted.

The operation of the above configuration is as follows.
That is, the brightness of the display means 5 can be changed by the control means 2 in accordance with the amount of dust in the dust collection chamber 8, and as shown in FIG. , The brightness of the lighting is the darkest, between D and E, the brightness of the lighting is the brightest, and between C and D, the brightness of B and C and D and
Set the brightness to the middle of E. Since the complicated configuration of the air volume detecting means is performed only by the generator 10, the configuration can be performed at low cost.

(Embodiment 6) A fifth embodiment of the present invention will be described below with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

A blinking cycle judging means 15 for judging the blinking cycle of the display means 5 is provided, and when the number of times of blinking of the display means 5 reaches a certain number, the rotation number of the electric blower 1 is reduced by the control means 2. . The other configuration is the same as that of the first embodiment, and the description is omitted.

The operation of the above configuration is as follows.
That is, as shown in FIG.
, The blinking cycle is the longest between BC, the blinking cycle is shortest between D and E, and the blinking cycle is intermediate between BC and DE between CD and D The blinking cycle determining means 15 counts the number of blinks when the blinking cycle of D to E is the shortest. When the number of times of blinking of the display means 5 reaches a predetermined number, the blinking cycle judging means 15 outputs to the control means 2, and the control means 2 lowers the rotation speed of the electric blower 1 to prevent the temperature from rising, thereby protecting the electric blower 1. .

(Embodiment 7) A sixth embodiment of the present invention will be described below with reference to FIG. The same components as those in the second embodiment are denoted by the same reference numerals, and description thereof will be omitted.

A brightness judging means 16 for judging the brightness of the display means 5 is provided to check the time during which the display means 5 is brightest, and when the predetermined time is reached, the rotational speed of the electric blower 1 is reduced. I have. Other configurations are the same as those of the second embodiment.

The operation of the above configuration is as follows.
That is, as shown in FIG. 4, when the air volume is between A and B, no lighting is performed, between B and C, the brightness of lighting is darkest, and between D and E, the brightness of lighting is maximized. , C-
The brightness between D and B is between B and C and between D and E, and the brightness judging means 16 measures the current when D to F is brightest. Then, the brightness determination means 16 outputs to the control means 2 when the time during which the display means 5 is brightest reaches a predetermined time, and the control means 2 can reduce the rotation speed of the electric blower 1. Can be protected.

Embodiment 8 Hereinafter, a seventh 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 description thereof will be omitted.

The control means 2 changes the blinking cycle and brightness of the display means 5 according to the amount of dust in the dust collection chamber 8. The other configuration is the same as that of the first embodiment, and the description is omitted.

The operation of the above configuration is as follows.
That is, as shown in FIG. 3, when the air volume is between A and B, there is no blinking, and between B and C, the blinking cycle is maximized.
To F, the blinking cycle is the shortest, and C to D
To C and D to F, and as shown in FIG. 4, the lighting brightness is the darkest when the air volume is between B and C, and the lighting brightness is changed between D and E. Brightest, C ~
Between D, the brightness is intermediate between BC and EF. By changing the blinking cycle according to the air volume and changing the brightness of the lighting, one light emitting unit can more reliably inform the user of the amount of dust in the dust collecting chamber 8 to improve the recognition. To be peeled off.

(Embodiment 9) A ninth embodiment of the present invention will be described below with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In this embodiment, a notifying means 21 for notifying by sound is provided separately from the display means 5. As the notification means 21, for example, a buzzer can be used, or voice synthesis can be used. Reference numeral 22 denotes a notifying unit driving unit that operates the notifying unit 21. The other configuration is the same as that of the first embodiment, and the description is omitted.

The operation of the above configuration is as follows.
That is, as shown in FIG. 3, when the air volume is between A and B, the light is turned off, and when the air volume is between B and C, the blinking cycle is maximized, and D to E
, The blinking cycle is shortest, and between C and D, B to C
And a blinking cycle between D and E. Further, the notifying unit 21 is operated according to the blinking cycle. The notification means 21 can be sounded in accordance with the blinking cycle of the display means 5, and the amount of dust in the dust collection chamber 8 can be confirmed not only visually but also by hearing.

[0050]

According to the first and second aspects of the present invention, the amount of air to be sucked is detected, the amount of dust in the dust collection chamber is determined based on the magnitude of the amount of air, and the result is blinked by the display means. Since the display is based on the cycle or brightness, it is easy to check the amount of dust in the dust collection chamber. Also, since the amount of dust can be displayed with the blinking cycle or brightness, only one light emitting part of the display means can be used, The assemblability can be improved.

According to the invention of claim 3 of the present invention, the amount of dust in the dust collection chamber can be displayed without a dedicated power supply unit by forming the air volume detection means with a generator, and the configuration can be performed at low cost. it can.

According to the invention of claim 4 of the present invention, the generator, the display means and the signal processing section are provided in the hand operation section or the suction tool. Even with a hand-operated part or a suction tool that must be wired, the amount of dust can be easily displayed without applying power wiring, and the hand-operated part and the suction tool must use a vacuum cleaner. This is a place where the user can easily check even in the state, and the display means can be easily checked.

According to the fifth aspect of the present invention, since the generator is used as the air volume detecting means, the air volume can be detected by the output voltage of the generator, and the circuit can be simplified and the circuit volume can be reduced. Can be configured at cost.

According to the sixth and seventh aspects of the present invention, there is provided a flicker cycle judging means for judging a flicker cycle or a brightness judging means for judging brightness, and the temperature of the electric blower rises. It is possible to control so that the rotation speed of the electric blower is reduced beforehand, and the electric blower can be protected.

According to the eighth aspect of the present invention, by changing the blinking cycle of the display means and simultaneously changing the brightness, the amount of dust in the dust collection chamber is more reliably notified to the user and recognized. Performance can be improved.

According to the ninth aspect of the present invention, the provision of the notifying means for notifying by sound makes it possible to confirm not only visually but also audibly, so that the amount of dust in the dust collection chamber is always maintained even during cleaning. Can be confirmed.

[Brief description of the drawings]

FIG. 1 is a block diagram of a vacuum cleaner showing first, second and eighth embodiments of the present invention.

FIG. 2 is a partially broken plan view of the vacuum cleaner showing the first embodiment of the present invention.

FIG. 3 is a diagram showing the relationship between the air volume and the blinking cycle of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 4 is a diagram showing a relationship between air volume and brightness of a vacuum cleaner according to a second embodiment of the present invention.

FIG. 5 is a block diagram of a vacuum cleaner showing third and fourth embodiments of the present invention.

FIG. 6 is a cross-sectional view of a hand operation unit of a vacuum cleaner according to a third embodiment of the present invention.

FIG. 7 is a cross-sectional view of a suction device of a vacuum cleaner showing a fourth embodiment of the present invention.

FIG. 8 is a block diagram of a vacuum cleaner showing a fifth embodiment of the present invention.

FIG. 9 is a block diagram of a vacuum cleaner showing a sixth embodiment of the present invention.

FIG. 10 is a block diagram of a vacuum cleaner showing a seventh embodiment of the present invention.

FIG. 11 is a block diagram of a vacuum cleaner showing a ninth embodiment of the present invention.

FIG. 12 is a cross-sectional view of a display unit of a vacuum cleaner showing a conventional example.

FIG. 13 is a sectional view of a main body of a vacuum cleaner showing a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 electric blower 2 control means 3 air volume breed means 5 display means 8 dust collection chamber 10 generator 11 signal processing unit 12 display means 15 blinking cycle judgment means 16 brightness judgment means 18 notification means

Continuation of the front page (72) Inventor Hiroyuki Senoo 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (9)

[Claims] 1. An electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, a display unit including a light emitting unit for displaying an amount of dust in the dust collecting chamber, and suction. Air volume detection means for detecting the air volume, and control means for determining the amount of dust collection in the dust collection chamber according to the output of the air volume detection means, the control means according to the amount of dust in the dust collection chamber And changing the blinking cycle of the display means. 2. An electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, a display means including a light emitting unit for displaying an amount of dust in the dust collecting chamber, and suction. Air volume detection means for detecting the air volume, and control means for determining the amount of dust collection in the dust collection chamber according to the output of the air volume detection means, the control means according to the amount of dust in the dust collection chamber An electric vacuum cleaner characterized by changing brightness of a display means. 3. An electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, a display means including a light emitting unit for displaying an amount of dust in the dust collecting chamber, and suction. A vacuum cleaner comprising: a generator whose output changes in accordance with the air volume; and a signal processing unit that drives display means in accordance with the output of the generator. 4. The vacuum cleaner according to claim 3, wherein a generator, a display unit, and a signal processing unit are provided on the hand operation unit or the suction tool. 5. The vacuum cleaner according to claim 1, wherein a generator that generates power by the flow of air is used as the air volume detection means. 6. A method according to claim 1, further comprising: a flicker cycle judging means for judging a flicker cycle of the display means, wherein when the number of blinks of the display means reaches a predetermined number, the control means reduces the rotation speed of the electric blower. Item 6. The vacuum cleaner according to Item 1. 7. A system according to claim 6, further comprising a brightness determining means for determining the brightness of the display means, wherein a time during which the display means is brightest is confirmed, and when a predetermined time is reached, the number of revolutions of the electric blower is reduced. An electric vacuum cleaner according to claim 2. 8. An electric blower for generating a suction force, a dust collecting chamber for storing dust sucked by the electric blower, a display means including a light emitting unit for displaying the amount of dust in the dust collecting chamber, and suction. Air volume detection means for detecting the air volume, and control means for determining the amount of dust collection in the dust collection chamber according to the output of the air volume detection means, the control means according to the amount of dust in the dust collection chamber An electric vacuum cleaner characterized by changing a blinking cycle and brightness of a display means. 9. The vacuum cleaner according to claim 1, further comprising a notifying unit for notifying the amount of dust in the dust collection chamber by sound, and notifying by sound simultaneously with blinking of the display unit.