JP2011188982A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner which is capable of cleaning corresponding to a current time and the condition of dust on a surface to be cleaned. <P>SOLUTION: The vacuum cleaner is provided with a dust quantity detection means 44 to detect the quantity of dust passing through an air path communicating with the suction side of a cleaner body 12, a time measurement means 43 to indicate a current time, and a control means 42 to control the input of an electric blower 18 on the basis of the current time indicated by the time measurement means 43 and the quantity of dust detected by the dust quantity detection means 44 to permit the cleaning corresponding to the current time and the condition of dust on a surface to be cleaned. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vacuum cleaner provided with a clock means for indicating the current time.

  Conventionally, this type of vacuum cleaner includes a vacuum cleaner body that houses an electric blower. The vacuum cleaner body is formed with a dust collection chamber communicating with the suction side of the electric blower. In addition, for example, a hose body, an extension pipe, and a pipe section provided with a floor brush as a suction port body are connected to the vacuum cleaner main body in communication with a dust collection chamber. Further, the vacuum cleaner main body incorporates control means for controlling the driving of the electric blower and clock means for indicating the current time. Then, when the current time indicated by the clock means is, for example, nighttime or early morning, the control means suppresses the rotation speed of the electric blower compared to the case where the current time indicated by the clock means is daytime. Thus, noise caused by driving of the electric blower is suppressed, it is possible to cope with various lifestyles of the user, and cleaning in consideration of the surrounding living environment (for example, see Patent Document 1).

Japanese Laid-Open Patent Publication No. 2-126821 (second page, FIGS. 1 to 2)

  However, the above-described electric vacuum cleaner only has to control the rotational speed of the electric blower corresponding to the current time, and cannot control the electric blower corresponding to the state of dust on the surface to be cleaned. ing.

  This invention is made | formed in view of such a point, and it aims at providing the vacuum cleaner which can be cleaned corresponding to the present time and the state of the dust of the to-be-cleaned surface.

  The present invention relates to a dust amount detecting means for detecting the amount of dust passing through an air passage communicating with the suction side of the cleaner body, a clock means for indicating the current time, a current time and a dust amount detecting means indicated by the clock means. And a control means for controlling the input of the electric blower based on the amount of dust detected.

  According to the present invention, since the control means controls the input of the electric blower based on the current time indicated by the clock means and the dust amount detected by the dust amount detection means, it corresponds to the current time and the state of dust on the surface to be cleaned. Cleaning is possible.

It is a block diagram which shows the internal structure of the vacuum cleaner of one embodiment of this invention. It is a longitudinal cross-sectional view which shows a part of vacuum cleaner same as the above. It is a perspective view which shows a vacuum cleaner same as the above. It is a flowchart which shows control of a vacuum cleaner same as the above. It is a table | surface which shows an example of control of the electric blower at the time of control of a vacuum cleaner same as the above, and an electric motor.

  The configuration of an embodiment of the present invention will be described below with reference to the drawings.

  In FIG. 3, reference numeral 11 denotes a so-called canister-type vacuum cleaner. The vacuum cleaner 11 has a vacuum cleaner body 12 and a pipe portion 13 that is detachably connected to the vacuum cleaner body 12. .

  The vacuum cleaner main body 12 includes a hollow main body case 15 that can swivel and run on the surface to be cleaned, and a main body dust collection chamber and an electric blower chamber (not shown) are partitioned in the front and rear in the main body case 15. Has been. Furthermore, an electric blower 18 is accommodated in the electric blower chamber, and the suction side of the electric blower 18 communicates with the main body dust collection chamber. Further, a dust collecting section such as a filter, a dust collecting bag, or a dust collecting device (dust collecting cup) is disposed in the main body dust collecting chamber. A main body suction port 19 is formed in the front portion of the main body case 15 so as to communicate with the main body dust collection chamber and to which the proximal end side of the pipe portion 13 is connected.

  Further, the pipe part 13 includes a connecting pipe part 21 connected to the main body suction port 19, a flexible hose body 22 communicating with the distal end side of the connecting pipe part 21, and a distal end side of the hose body 22. The provided hand operating section 23, an extension pipe 24 that is detachably connected to the distal end side of the hand operating section 23, and a floor brush 26 as a suction port body that is connected to the distal end side of the extension pipe 24. It has. And this pipe part 13 is an air path structure which divides the air path W connected to the suction side of the electric blower 18 inside.

  Here, the floor brush 26 includes a case body 31 that is long in the left-right width direction, that is, a horizontally long case body 31, and a connecting pipe 32 that is rotatably connected to the rear portion of the substantially center position of the case body 31 in the left-right width direction. I have. A suction port (not shown) is formed in the lower part of the case body 31 so as to be elongated in the left-right width direction. The connection pipe 32 communicates with the suction port and is detachably connected to the distal end side of the pipe portion 13 (extension pipe 24) shown in FIG. Further, a rotary brush 35 as a rotary cleaning body is attached to the suction port so as to be rotatable in a certain direction, for example, the forward direction of the floor brush 26. The rotating brush 35 is rotationally driven by an electric motor 36 as a rotating body arranged in the case body 31. The floor brush 26 can travel along the front-rear direction.

  Further, a gripping portion 37 protrudes toward the hose body 22 side on the hand operation portion 23, and a plurality of setting buttons 38 as electric blower operation means for setting the operation mode of the electric blower 18 are provided on the gripping portion 37. A brush switching button 39 as a rotating body (electric motor) operating means for switching on / off of rotation of the rotating brush 35 (electric motor 36), and a stop button 40 as a stopping means for turning off the electric vacuum cleaner 11. ing.

  Next, the internal structure of the one embodiment will be described.

  In the vacuum cleaner main body 12, as shown in FIG. 1, the operation of the electric blower 18 is phase-controlled, for example, via a triac Tr1 as a (first) control element, and the operation of the electric motor 36 is, for example, (second) controlled. Control means 42 for phase control is arranged via a triac Tr2 as an element. The control means 42 is electrically connected to buttons 38, 39, 40, a clock means 43 indicating the current time (current time), and a dust amount detection means 44 for detecting the amount of dust sucked into the air passage W. Has been.

  The control unit 42 stores, for example, an operation determination unit that determines an operation by the buttons 38, 39, and 40, an electric current detection unit that detects an intake air amount by detecting an electric current of the electric blower 18, and various data. A memory means and the like are electrically connected to form a microcomputer together with these, and are arranged, for example, in an exhaust air passage of the electric blower 18. The control means 42 is supplied with power from a commercial AC power source e via, for example, a plug portion 46 (FIG. 3). The control means 42 can drive the electric blower 18 in the operation mode set by the setting button 38, for example, the strong mode, the medium mode, or the weak mode, and the electric blower 18 is driven. By operating the brush switching button 39 in the state, the operation of the electric motor 36 (the rotating brush 35) can be switched on and off.

  The clock means 43 constitutes, for example, a microcomputer together with the control means 42, has a built-in backup battery (not shown), etc., and determines whether the plug unit 46 (FIG. 3) is connected to the commercial AC power source e. Despite this, the clocking function is maintained. The clock means 43 maintains the correct current time by, for example, receiving a standard radio wave at predetermined intervals and correcting the current time.

  As shown in FIG. 2, the dust amount detecting means 44 includes, for example, a light emitting section 47 as a light emitting means for emitting infrared light, and a light receiving section as a light receiving means for receiving the infrared light emitted by the light emitting section 47. 48 are provided at positions facing each other, and a signal corresponding to the amount of dust passing through the air passage W can be output to the control means 42 by the amount of infrared light received by the light receiving unit 48 from the light emitting unit 47 It has become.

  The light emitting unit 47 includes a light emitting element 47a such as an LED that outputs light such as infrared light, and one and other light emitting sides as a light emitting side light guide member that guides light emitted from the light emitting element 47a into the air path W. And lenses 47b and 47c.

  The light emitting element 47a is disposed, for example, at the upper part of the main body suction port 19 of the cleaner body 12, and is configured to output infrared light downward.

  One light-emitting side lens 47b is arranged on the inner surface of the main body suction port 19 below the infrared light output side of the light-emitting element 47a.

  The other light-emitting side lens 47c is arranged at a position facing the lower side of the light-emitting element 47a (light-emitting side lens 47b) in a state where the connecting tube portion 21 of the tube portion 13 is connected to the main body suction port 19. The other light-emitting side lens 47c is fitted in a light-emitting side hole 47d formed in the connecting pipe portion 21 along the radial direction so as to air-tightly close the light-emitting side hole 47d. One end side faces the light emitting element 47a side (light emitting side lens 47b side), and the other end side faces the inside of the air path W. That is, the air in the air passage W does not flow out of the air passage W from the light emitting side hole 47d.

  Similarly, the light receiving unit 48 includes a light receiving element 48a such as a phototransistor that detects infrared light output from the light emitting unit 47, and a light receiving side light guide member that guides the light output from the light emitting unit 47 to the light receiving element 48a. And the other light-receiving side lenses 48b and 48c.

  The light receiving element 48a is arranged, for example, below the main body suction port 19 of the cleaner body 12 and upward, that is, toward the light emitting element 47a, and is configured to receive infrared light output from the light emitting element 47a. Has been.

  One light-receiving side lens 48b is disposed on the inner surface of the main body suction port 19 above the infrared light input side with respect to the light-receiving element 48a.

  The other light receiving side lens 48c is disposed at a position facing the light receiving element 48a (light receiving side lens 48b) in a state where the connecting tube portion 21 of the tube portion 13 is connected to the main body suction port 19. The other light-receiving side lens 48c is fitted in a light-receiving side hole 48d formed in the connecting tube portion 21 along the radial direction so as to air-tightly close the light-receiving side hole 48d. One end faces the light receiving element 48a side (light receiving side lens 48b side), and the other end faces the inside of the air passage W. That is, the air in the air passage W does not flow out of the air passage W from the light receiving side hole 48d.

  Next, the control of the above embodiment will be described with reference to the flowchart shown in FIG. 4 and the table shown in FIG. 5 together with FIGS.

  With the dust collector attached to the vacuum cleaner main body 12 (FIG. 3), the user connects the plug 46 (FIG. 3) to a wall outlet, etc., grips the grip 37, and presses the setting button 38. When a desired operation mode is set by operating, the control means 42 determines this setting, drives the electric blower 18 in the set operation mode, and starts the vacuum cleaner 11 (step 1).

  Thereafter, the control means 42 drives the electric blower 18 while monitoring its operating state via a signal from the current detection means or the dust amount detection means 44, and waits for input of the buttons 38, 39, 40. It becomes the state of. At this time, the user causes the floor brush 26 to travel back and forth on the surface to be cleaned via the gripping portion 37 (FIG. 3), and removes dust on the surface to be cleaned from the electric blower 18 via the air passage W. Inhaled with air by pressure and collected in the dust collector.

  For example, the control means 42 determines whether or not the setting button 38 has been operated (step 2). If the control means 42 determines that the setting button 38 has been operated, the electric blower 18 is set to the set operation mode. (Step 3), and go to Step 4.

  If the control means 42 determines in step 2 that the setting button 38 has not been operated, the control means 42 determines the amount of dust passing through the air passage W detected by the dust amount detection means 44, and The current time indicated by the clock means 43 is read (step 4), and it is determined whether the current time is within a predetermined time zone, for example, daytime (step 5). Here, “daytime” does not necessarily mean only the time corresponding to the actual time from sunrise to sunset, but may differ depending on the use situation of the user. That is, the daytime may be a predetermined time zone set in advance such as 8:00 to 19:00, or may be a predetermined time zone arbitrarily set by the user.

  In step 5, when the control means 42 determines that the current time is daytime, the control means 42 determines whether the dust amount is equal to or greater than a predetermined threshold, that is, the amount of dust on the surface to be cleaned is large. (Step 6). As this threshold value, for example, a table set for each operation mode of the electric blower 18 is used.

  In step 6, when the control means 42 determines that the dust amount is equal to or larger than the predetermined threshold value, that is, the dust amount on the surface to be cleaned is large, the control means 42 uses the triac Tr1 to input the electric blower 18 at present. The first predetermined value in the operation mode, that is, the maximum value is set (step 7), and the process proceeds to step 12. For example, when the electric blower 18 is operating in the strong mode, the control unit 42 sets the input of the electric blower 18 to 1000W.

  On the other hand, if the control means 42 determines in step 6 that the amount of dust is less than a predetermined threshold value, that is, the amount of dust on the surface to be cleaned is small, the control means 42 uses the triac Tr1 to input the electric blower 18 at present. The second predetermined value is smaller than the first predetermined value in the operation mode, for example, 75% of the first predetermined value (step 8), and the process proceeds to step 12. For example, when the electric blower 18 is operating in the strong mode, the control means 42 sets the input of the electric blower 18 to 750 W (75% of the maximum input (first predetermined value)).

  In step 5, if the control means 42 determines that the current time is a time zone other than the predetermined time zone, that is, is not daytime, in other words, the current time is nighttime or early morning, this control means. 42 determines whether the amount of dust is equal to or greater than a predetermined threshold, that is, whether the amount of dust on the surface to be cleaned is large (step 9). As this threshold value, for example, a table set for each operation mode of the electric blower 18 is used as in the case of step 6 above.

  In step 9, when the control means 42 determines that the dust amount is equal to or larger than the predetermined threshold value, that is, the dust amount on the surface to be cleaned is large, the control means 42 uses the triac Tr1 to input the electric blower 18 at present. The third predetermined value is set to be smaller than the second predetermined value in the operation mode, for example, 50% of the first predetermined value (step 10), and the process proceeds to step 12. For example, when the electric blower 18 is operating in the strong mode, the control means 42 sets the input of the electric blower 18 to 500 W (50% of the maximum input (first predetermined value)).

  On the other hand, when the control means 42 determines in step 9 that the amount of dust is less than the predetermined threshold value, that is, the amount of dust on the surface to be cleaned is small, the control means 42 uses the triac Tr1 to input the electric blower 18 at present. The fourth predetermined value is smaller than the third predetermined value in the operation mode, for example, 25% of the first predetermined value (step 11), and the process proceeds to step 12. For example, when the electric blower 18 is operating in the strong mode, the control means 42 sets the input of the electric blower 18 to 250 W (25% of the maximum input (first predetermined value)).

  Next, in step 12, the control means 42 determines whether or not the brush switching button 39 has been operated. If the control means 42 determines that the brush switching button 39 has been operated, the control means 42 operates the motor 36. (ON / OFF) is reversed (step 13), and the process proceeds to step 14. That is, in this step 12, the control means 42 stops the motor 36 when the motor 36 is driven (ON), and rotates the rotating brush 35 when the motor 36 is stopped (OFF). Thus, the electric motor 36 is driven (turned on) with a predetermined input. If the control means 42 determines in step 12 that the brush switching button 39 has not been operated, the process proceeds to step 14 as it is.

  Further, in step 14, the control means 42 determines whether or not the electric motor 36 is driven, that is, whether or not the electric motor 36 is operating. In step 14, when the control means 42 determines that the motor 36 is not driven, that is, the motor 36 is stopped, the process proceeds to step 22, and the control means 42 determines that the motor 36 is driven. If so, it is determined whether or not the current time is during the daytime (for example, 8:00 to 19:00) (step 15).

  In this step 15, when the control means 42 determines that the current time is daytime, the control means 42 determines whether or not the amount of dust is equal to or greater than a predetermined threshold, that is, the amount of dust on the surface to be cleaned is large. It is determined whether or not (step 16). As this threshold value, for example, a table set for each operation mode of the electric blower 18 is used, as in the case of the steps 6 and 9 described above.

  In step 16, when the control means 42 determines that the amount of dust is equal to or greater than a predetermined threshold value, that is, the amount of dust on the surface to be cleaned is large, the control means 42 uses the triac Tr2 to input the first electric motor 36. The predetermined input value, that is, the maximum value is set (step 17), and the process proceeds to step 22. That is, at this time, the rotation speed of the electric motor 36 (rotating brush 35) is maximized.

  On the other hand, if the control means 42 determines in step 16 that the amount of dust is less than a predetermined threshold value, that is, the amount of dust on the surface to be cleaned is small, the control means 42 uses the triac Tr2 to input the first electric motor 36 to the first. The second predetermined input value is set to be smaller than the predetermined input value, for example, 25% of the first predetermined input value (step 18), and the process proceeds to step 22. That is, at this time, the rotational speed of the electric motor 36 (the rotating brush 35) is small (25% of the maximum rotational speed).

  In step 15, when the control means 42 determines that the current time is not daytime, that is, the current time is nighttime or early morning (19:00 to 8:00), the control means 42 Is greater than or equal to a predetermined threshold value, that is, whether the amount of dust on the surface to be cleaned is large (step 19). As this threshold value, for example, a table set for each operation mode of the electric blower 18 is used in the same manner as that used in Step 6, Step 9 and Step 16 above.

  In step 19, when the control means 42 determines that the amount of dust is equal to or greater than a predetermined threshold, that is, the amount of dust on the surface to be cleaned is large, the control means 42 uses the triac Tr2 to input the first electric motor 36. The third predetermined input value is smaller than the predetermined input value and larger than the second predetermined input value, for example, 50% of the first predetermined input value (step 20), and the process proceeds to step 22. That is, at this time, the rotation speed of the electric motor 36 (rotating brush 35) is medium (50% of the maximum rotation speed).

  On the other hand, when the control means 42 determines in step 19 that the amount of dust is less than a predetermined threshold value, that is, the amount of dust on the surface to be cleaned is small, the control means 42 uses the triac Tr2 to input the electric motor 36 to the third state. The fourth predetermined input value is smaller than the predetermined input value, for example, 25% of the first predetermined input value (step 21), and the process proceeds to step 22. That is, at this time, the rotational speed of the electric motor 36 (the rotating brush 35) is small (25% of the maximum rotational speed). The fourth predetermined input value is equal to the second predetermined input value here, but may not be equal to the second predetermined input value as long as it is smaller than the third predetermined input value.

  In step 22, the control means 42 determines whether or not the stop button 40 has been operated.If it is determined that the stop button 40 has been operated, the control unit 42 stops the electric blower 18 and the motor 36 (step 23), If the control is terminated and it is determined that the stop button 40 is not operated, the process returns to step 2 as it is.

  As described above, according to the embodiment, the control unit 42 controls the input of the electric blower 18 based on the current time indicated by the clock unit 43 and the dust amount detected by the dust amount detection unit 44. And cleaning corresponding to the state of dust on the surface to be cleaned becomes possible.

  Specifically, when the current time indicated by the clock means 43 is a predetermined time zone, the control means 42 corresponds to the operation mode (input) of the electric blower 18 with the dust quantity detected by the dust quantity detection means 44. When the predetermined amount (predetermined threshold value) is exceeded, the input of the electric blower 18 is set to the first predetermined value, and the dust amount detected by the dust amount detection means 44 is a predetermined amount corresponding to the operation mode (input) of the electric blower 18. When it is less than (predetermined threshold value), the input of the electric blower 18 is set to a second predetermined value smaller than the first predetermined value. Further, when the current time indicated by the clock means 43 is a night time that is not a predetermined time zone, the control means 42 has a predetermined amount corresponding to the operation mode (input) of the electric blower 18 when the dust amount detected by the dust amount detection means 44 is If it is equal to or greater than a predetermined threshold), the input of the electric blower 18 is set to a third predetermined value smaller than the second predetermined value, and the amount of dust detected by the dust amount detection means 44 corresponds to the operation mode (input) of the electric blower 18 When it is less than the predetermined amount (predetermined threshold value), the input of the electric blower 18 is set to a fourth predetermined value smaller than the third predetermined value. As a result, when the amount of dust on the surface to be cleaned is relatively large, the input (suction force) of the electric blower 18 is relatively increased compared to when the amount of dust on the surface to be cleaned is relatively small, When cleaning at a time other than during the time, the input (suction force) of the electric blower 18 is relatively reduced compared to when cleaning at the time of the day, so that it corresponds to the amount of dust on the surface to be cleaned. When the cleaning time is not during the day, the noise caused by driving the electric blower 18 can be relatively reduced, taking into account the lifestyle of the user and the surrounding living environment such as neighbors or living together. Cleaning is possible.

  Further, since the control means 42 controls the input of the motor 36 of the floor brush 26 based on the current time indicated by the clock means 43 and the dust amount detected by the dust amount detection means 44, the current time and the state of dust on the surface to be cleaned Cleaning corresponding to can be performed.

  Specifically, when the current time indicated by the clock means 43 is a predetermined time zone, the control means 42 corresponds to the operation mode (input) of the electric blower 18 with the dust quantity detected by the dust quantity detection means 44. When the predetermined amount (predetermined threshold value) is exceeded, the input of the electric motor 36 is set as the first predetermined input value, and the dust amount detected by the dust amount detection means 44 is a predetermined amount corresponding to the operation mode (input) of the electric blower 18. When it is less than (predetermined threshold value), the input of the electric motor 36 is set to a second predetermined input value smaller than the first predetermined input value. Further, when the current time indicated by the clock means 43 is a night time that is not a predetermined time zone, the control means 42 has a predetermined amount corresponding to the operation mode (input) of the electric blower 18 when the dust amount detected by the dust amount detection means 44 is If it is equal to or greater than the (predetermined threshold value), the input of the electric motor 36 is set to a third predetermined input value that is larger than the second predetermined input value and smaller than the first predetermined input value, and the amount of dust detected by the dust amount detection means 44 is When it is less than a predetermined amount (predetermined threshold) corresponding to 18 operation modes (inputs), the input of the electric motor 36 is set to a fourth predetermined input value smaller than the third predetermined input value. As a result, when the amount of dust on the surface to be cleaned is relatively large, the input (dust removal performance) of the electric motor 36 is relatively increased compared to when the amount of dust on the surface to be cleaned is relatively small, while the daytime When cleaning at a time other than, the input (dust removal performance) of the electric motor 36 is relatively reduced compared to when cleaning at the daytime, and it is more suitable for the amount of dust on the surface to be cleaned. It is effective and reduces noise caused by driving the motor 36 (rotation of the rotating brush 35) when the cleaning time is not during the day, so that the lifestyle of the user and the surrounding living environment such as a neighbor or a living person can be reduced. Considerable cleaning is possible.

  In addition, by controlling the input of the electric blower 18 and the electric motor 36 in accordance with the current time and the amount of dust on the surface to be cleaned in this way, not only the noise reduction is improved, but also energy saving operation is possible, The load on the blower 18 and the electric motor 36 can be reduced, and the life of the electric blower 18 and the electric motor 36 can be extended.

  In the above-described embodiment, in steps 12 to 21 for controlling the operation of the electric motor 36 (rotating brush 35), the first to fourth predetermined values of the electric motor 36 are set in correspondence with the operation modes of the electric blower 18. An input value may be set.

  The electric blower 18 may have only one operation mode, two operation modes, or four or more operation modes.

  Further, for example, in the case of the vacuum cleaner 11 that does not include the rotating brush 35 and the electric motor 36, the control of Step 12 to Step 21 may not be performed.

  Then, the control means 42 determines the dust amount in steps by comparing the signal from the dust amount detection means 44 corresponding to the dust amount and a threshold value, and controls the input of the electric blower 18 and the motor 36 in steps. Instead of this configuration, for example, the input of the electric blower 18 and the electric motor 36 may be linearly controlled with respect to the signal from the dust amount detection means 44 corresponding to the dust amount.

  Further, the internal configuration of the vacuum cleaner 11 such as the control means 42 may be selected as an arbitrary function and combined together, or may be separate.

  Furthermore, the electric blower 18, the electric motor 36, the control means 42, and the like may be driven by a power source unit such as a secondary battery instead of the commercial AC power source e.

  The vacuum cleaner 11 is not limited to the canister type, and can be used in correspondence with, for example, an upright type or a handy type in which the floor brush 26 is connected to the lower portion of the vertically long vacuum cleaner body 12. . That is, the details of the vacuum cleaner 11 are not limited to the above-described configurations.

11 Vacuum cleaner
12 Vacuum cleaner body
18 Electric blower
26 Floor brush as inlet
35 Rotating brush as rotating cleaning body
36 electric motor
42 Control means
43 Clock means
44 Dust amount detection means W Air passage

Claims (4)

A vacuum cleaner body containing an electric blower,
An air passage communicating with the suction side of the vacuum cleaner body,
Dust amount detecting means for detecting the amount of dust passing through the air passage;
Clock means for indicating the current time;
A vacuum cleaner comprising: control means for controlling the input of the electric blower based on the current time indicated by the timepiece means and the dust amount detected by the dust amount detection means. The control means
When the current time indicated by the clock means is in a predetermined time zone, when the amount of dust detected by the dust amount detection means is greater than or equal to a predetermined amount, the input of the electric blower is set to a first predetermined value and detected by the dust amount detection means. When the amount of dust is less than a predetermined amount, the input of the electric blower is set to a second predetermined value smaller than the first predetermined value,
If the current time indicated by the clock means is not the predetermined time zone and the dust amount detected by the dust amount detection means is greater than or equal to a predetermined amount, the input of the electric blower is set to a third value smaller than the second predetermined value. The predetermined value is set, and when the amount of dust detected by the dust amount detection means is less than a predetermined amount, the input of the electric blower is set to a fourth predetermined value that is smaller than the third predetermined value. The vacuum cleaner described. A rotatable rotary cleaning body facing the surface to be cleaned and an electric motor that drives the rotary cleaning body, and a suction port body that constitutes a part of the air path,
The electric vacuum cleaner according to claim 1 or 2, wherein the control means controls the input of the electric motor based on the current time indicated by the clock means and the dust amount detected by the dust amount detection means. The control means
When the current time indicated by the clock means is in a predetermined time zone, when the amount of dust detected by the dust amount detection means is greater than or equal to a predetermined amount, the input of the motor is set to the first predetermined input value and detected by the dust amount detection means. When the amount of dust is less than a predetermined amount, the input of the electric motor is a second predetermined input value smaller than the first predetermined input value,
If the current time indicated by the clock means is not the predetermined time zone and the dust amount detected by the dust amount detection means is greater than or equal to a predetermined amount, the input of the electric motor is set to be greater than the second predetermined input value. A third predetermined input value smaller than one predetermined input value, and when the amount of dust detected by the dust amount detection means is less than a predetermined amount, the input of the electric motor is a fourth predetermined input smaller than the third predetermined input value It is set as a value. The vacuum cleaner as described in any one of Claim 1 thru | or 3 characterized by the above-mentioned.

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