JP5879492B2 - Electric vacuum cleaner - Google Patents

Description

  The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner in which a suction tool is composed of a floor nozzle and a small nozzle that is detachably attached to the floor nozzle.

  2. Description of the Related Art Conventionally, a vacuum cleaner has been proposed in which a suction tool is provided with illumination means for illuminating a surface to be cleaned in order to improve the visibility of dust on the surface to be cleaned (for example, Patent Document 1).

  On the other hand, a vacuum cleaner is also proposed in which the suction tool is composed of a floor nozzle having an opening on the lower surface and a small nozzle that is detachably connected to the floor nozzle to enable cleaning of a wide range of places. (For example, patent document 2).

JP-A-5-245084 JP 2003-339585 A

  However, in the conventional vacuum cleaner technology, the illumination for illuminating the surface to be cleaned is provided in the floor nozzle to which the small nozzle is attached, and the illumination can be used when cleaning with the small nozzle. It wasn't. There are many places to clean with a small nozzle, such as staircases or between furniture, and dark places, and there are many places where the visibility of dust is poor.

  The present invention solves the above-described conventional problems, and by providing illumination means to a small nozzle, the visibility of dust in a narrow place is improved, and easy-to-use electric cleaning that can prevent dust from being left behind The purpose is to provide a machine.

In order to solve the above-described conventional problems, the vacuum cleaner of the present invention includes a vacuum cleaner main body including an electric blower that generates suction air , a floor nozzle having an opening on the lower surface, and a removable floor nozzle.
A suction tool comprising a small nozzle attached to the small nozzle, an attachment / detachment detecting means for detecting attachment / detachment of the floor nozzle and the small nozzle, a hose having one end connected to the cleaner body, One end is connected to the other end of the hose, the other end is connected to the suction tool, a first illuminating means provided on the small nozzle for irradiating the surface to be cleaned, and provided on the floor nozzle. A second illuminating means for irradiating the surface to be cleaned; and a control means for controlling power supply to the first illuminating means and the second illuminating means,
The second illumination unit is configured to be supplied with electric power via the small nozzle in a state where the small nozzle is attached to the floor nozzle, and the control unit includes the attachment / detachment detection unit While detecting that the small nozzle is mounted on the floor nozzle, the power is supplied to the second lighting means, and the power supply to the first lighting means is stopped. While the attachment / detachment detection means detects that the small nozzle is removed from the floor nozzle, power is supplied to the first illumination means. When cleaning a wide area, the floor nozzle is used. irradiating the surface to be cleaned by a second illumination means provided, when cleaning a narrow dark places, such as between the stairs and furniture and furnishings, to be cleaned by the first illumination means provided in the small nozzle by irradiating the surface, extensively Visibility of dust is improved standing, it is possible to provide a vacuum cleaner of usability can be prevented leftover dust.
In addition, while the small nozzle is mounted on the floor nozzle, power is supplied only to the second illumination means, the power supply to the first illumination means is stopped, and the small nozzle is removed from the floor nozzle. By supplying electric power only to the first lighting means while being, it is possible to provide an easy-to-use vacuum cleaner that is excellent in energy saving.

  The vacuum cleaner of the present invention can irradiate the surface to be cleaned by the illumination means provided on the small nozzle even when cleaning a narrow and dark place such as between stairs and furniture, so Visibility is improved, dust can be prevented from being left behind, and it is easy to use.

The perspective external view of the electric vacuum cleaner in Embodiment 1 of this invention Configuration diagram of suction tool of the vacuum cleaner Control block diagram of the vacuum cleaner Control timing chart of first illumination means and second illumination means of the same vacuum cleaner The graph showing the relationship between the amount of dust of the vacuum cleaner and the illuminance of the first illumination means and the second illumination means

A first aspect of the present invention is a vacuum cleaner main body including an electric blower that generates suction air , a floor nozzle having an opening on a lower surface, a suction tool that is detachably attached to the floor nozzle, and the small size An attachment / detachment detection means for detecting attachment / detachment between the floor nozzle and the small nozzle, a hose with one end connected to the cleaner body, one end connected to the other end of the hose, and the other end An extension pipe connected to the suction tool, a first illumination means provided on the small nozzle for irradiating the surface to be cleaned, a second illumination means provided on the floor nozzle for irradiating the surface to be cleaned, and Control means for controlling power supply to the first illuminating means and the second illuminating means, and the second illuminating means includes the small nozzle in a state where the small nozzle is attached to the floor nozzle. Power is supplied via The control means supplies power to the second illumination means while the attachment / detachment detection means detects that the small nozzle is attached to the floor nozzle, and the first The power supply to the lighting means is stopped, and the control means supplies power to the first lighting means while the attachment / detachment detection means detects that the small nozzle is removed from the floor nozzle. It intended to supply, by irradiating the surface to be cleaned by a second illumination means provided in the floor nozzle when cleaning a wide place, when cleaning a narrow dark places, such as between the stairs and furniture and furnishings , by irradiating the surface to be cleaned by the first illumination means provided in a small nozzle, the visibility of dust is improved over a wide range, provides a good vacuum cleaner of usability can be prevented leftover dust To be able to That.
In addition, while the small nozzle is mounted on the floor nozzle, power is supplied only to the second illumination means, the power supply to the first illumination means is stopped, and the small nozzle is removed from the floor nozzle. By supplying electric power only to the first lighting means while being, it is possible to provide an easy-to-use vacuum cleaner that is excellent in energy saving.

According to a second aspect of the invention, in particular, in the electric vacuum cleaner of the first aspect of the invention, the vacuum cleaner includes dust detection means for detecting the amount of sucked dust, and the control means according to the detected amount of dust includes the first illumination means. For example, when the amount of sucked dust is small, the power supply amount to the first illumination means and the power supply amount to the second illumination means are decreased. When the sucked dust amount is large, the amount of power supplied to the first lighting unit and the amount of power supplied to the second lighting unit can be increased, and the user-friendly vacuum cleaner with excellent energy saving performance Can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 is a perspective external view of the vacuum cleaner according to Embodiment 1 of the present invention, FIG. 2 is a configuration diagram of a suction tool of the vacuum cleaner, FIG. 3 is a control block diagram of the vacuum cleaner, FIG. Is a control timing chart of the first illumination means and the second illumination means of the vacuum cleaner, and FIG. 5 is a relationship between the dust amount of the vacuum cleaner and the illuminance of the first illumination means and the second illumination means. It is the graph showing.

  In FIG. 1, the vacuum cleaner main body 1 of the electric vacuum cleaner according to the present embodiment includes an electric blower 2 that emits suction air and a dust collection chamber 19 that collects dust contained in the suction air. In addition, there is a hose 6 that is detachably connected to the vacuum cleaner main body 1, and this hose 6 has a hand control unit 5, and various operation modes (for example, “strong”, “medium”, “weak”, “off”). Can be selected.

  At the tip of the hose 6, there is an extension tube 4 that is detachably connected. Further, at the tip of the extension tube 4, a suction tool 3 that contacts the surface to be cleaned and can suck dust is also detachably connected. Yes. A dust detection means 7 for detecting the amount of dust sucked from the suction tool 3 is provided at the end of the hose 6 on the cleaner body 1 side. The dust detection means 7 is comprised from the light emitting element 7a and the light receiving element 7b, and the light emitting element 7a and the light receiving element 7b are arrange | positioned facing. The dust detection means 7 detects a pulse waveform generated when the light received by the light receiving element 7b is blocked by the dust when the dust passes between the light emitting element 7a and the light receiving element 7b. The amount of detected.

  As shown in FIGS. 1 and 2, the suction tool 3 is a small type in which an intake head 20 is connected to a connecting tube 9 for connecting to the extension tube 4 via a rotating connecting portion 8 serving as a rotating connecting means. The nozzle 10 and the small nozzle 10 are detachably mounted, and the floor nozzle 11 has a dust suction opening (not shown) on the lower surface.

  The small nozzle 10 is attached to and detached from the floor nozzle 11 by depressing the operation lever 13 provided on the floor nozzle 11 so that the holding state of the holder 12 that holds the small nozzle 10 is released and the small nozzle 10 is detached from the floor nozzle 11. The small nozzle 10 can be cleaned using a small nozzle 10, and the small nozzle 10 is mounted on the floor nozzle 11 by placing the small nozzle 10 in the holder 12 and pressing lightly, and the floor nozzle 11 is used. The floor can be cleaned efficiently.

  Moreover, the front-end | tip part of the small nozzle 10 incorporates the 1st illumination means 14 for irradiating a to-be-cleaned surface, and the 1st illumination part for irradiating the to-be-cleaned surface to the right-and-left tip part of the floor nozzle 11 Two illumination means 15 are incorporated. In the present embodiment, the first illuminating means 14 and the second illuminating means 15 are composed of LEDs or the like.

  Next, the control method of the vacuum cleaner in this Embodiment is demonstrated using FIG.

  The vacuum cleaner main body 1 includes a driving means 17 composed of a bidirectional thyristor for driving the electric blower 2 so that the suction force can be changed by controlling the phase of the electric blower 2. Yes.

  The control means 16 composed of a microcomputer or the like takes in the switch operation information of the hand operation section 5 and performs control to output a call pulse for phase control to the drive means 17 based on the information.

The attachment / detachment detection means 18 provided in the small nozzle 10 detects attachment / detachment between the small nozzle 10 and the floor nozzle 11, and cleans the attachment / detachment state signal of the small nozzle 10 via the extension pipe 4 and the hose 6. It is sent to the control means 16 in the machine body 1. In response to the attachment / detachment signal, the control means 16 supplies power to the first illumination means 14 provided in the small nozzle 10 via the hose 6 and the extension pipe 4. Also, the control means 16 is supplied with electric power to the second illumination means 15 provided in the floor nozzle 11 via the hose 6, the extension pipe 4, and the small nozzle 10 according to the attachment / detachment signal. It has become.

  Further, a signal of the amount of dust detected by the dust detection unit 7 is sent to the control unit 16, and the control unit 16 supplies power to the first illumination unit 14 and the second illumination unit 15 according to the amount of dust. Change the supply amount.

  About the vacuum cleaner in this Embodiment comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  For example, when the user operates the hand operation unit 5 and selects the “strong” mode having a strong suction force as the operation mode of the electric blower 2, the control means 16 is based on the signal from the hand operation unit 5, A predetermined signal is sent to the driving means 17 to drive the electric blower 2. Thereby, it is sucked from the suction tool 3 by the suction air generated by the electric blower 2. The sucked dust is collected in the dust collection chamber 19 in the cleaner body 1 through the extension pipe 4 and the hose 6.

  Next, the operation of the first illumination means 14 and the second illumination means 15 will be described using the timing chart of FIG.

  First, in a state where the vacuum cleaner is not operated, that is, in a state where the electric blower 2 is not driven, power is not supplied to the first illumination unit 14 and the second illumination unit 15 and is in an OFF state. . Then, at time Ta0, the electric blower 2 is driven by the user. At that time, for example, when the attachment / detachment detection means 18 detects that the small nozzle 10 is attached to the floor nozzle 11, the second illumination means. The power is supplied to 15 to be turned on, and the surface to be cleaned is irradiated. At this time, power is not supplied to the first illumination means 14. While the attachment / detachment detection means 18 detects that the small nozzle 10 is attached to the floor nozzle 11, the second illumination means 15 is kept in the ON state, and the first illumination means 14 is also in the OFF state. continue.

  Next, when the attachment / detachment detection means 18 detects that the small nozzle 10 has been removed from the floor nozzle 11 by the user (Ta1), power is supplied to the first illumination means 14 to turn on, and the surface to be cleaned is irradiated. To do. Since power is supplied to the second illumination means 15 via the small nozzle 10, the power is not supplied when the small nozzle 10 is removed from the floor nozzle 11. The illumination unit 15 is turned off. And while the attachment / detachment detection means 18 detects that the small nozzle 10 is in a state of being removed from the floor nozzle 11, the ON state of the first illumination means 14 continues.

  When the small nozzle 10 is mounted on the floor nozzle 11 again, the second illumination means 15 is turned on, and the first illumination means 14 is turned off (Ta2).

When the user stops the operation of the electric blower 2, the power supply to the second lighting unit 15 is also stopped, and both the first lighting unit 14 and the second lighting unit 15 are turned off.
Further, in the present embodiment, as shown in FIG. 5, the amount of power supplied to the first illumination means 14 and the second illumination means 15 is changed according to the amount of dust detected by the dust detection means 7, The illuminance changes.

For example, in the state where dust is not detected, the illuminance of the first illuminating means 14 and the second illuminating means 15 is the initial illuminance C1, and if the amount of dust is not less than 0 and less than Q1, the illuminance is in the state of C1. maintain. And when the detected dust amount is Q1 or more and less than Q2, the illuminance is C2. In this way, the illuminance of the first illuminating means 14 and the second illuminating means 15 changes stepwise according to the detected amount of dust, and the user sucks with a vacuum cleaner. When the amount of dust is large, the surface to be cleaned is irradiated more brightly, and when the amount of dust sucked is small, the illuminance of irradiation on the surface to be cleaned is suppressed.

  Since the vacuum cleaner in the present embodiment is configured and controlled as described above, when cleaning a wide place, the surface to be cleaned is irradiated by the second illumination means 15 provided on the floor nozzle 11 to thereby create a staircase. When cleaning a narrow and dark place such as between furniture and furniture, the surface to be cleaned is irradiated by the first illumination means 14 provided on the small nozzle 10 to improve the visibility of dust over a wide range. In addition, dust can be prevented from being left behind, and when the small nozzle 10 is mounted on the floor nozzle 11, the power supply to the first illumination means 14 provided in the small nozzle 10 that is not used is stopped. In addition, when the small nozzle 10 is removed from the floor nozzle 11, the power supply to the second illumination means 15 provided in the floor nozzle 11 that is not used is stopped, and the vacuum cleaner is sucking. To vary the amount of power supplied to the first lighting unit 14 and the second illumination means 15 in response to the amount of dust, it is possible to provide an excellent vacuum cleaner to user-friendly energy saving.

  As described above, the vacuum cleaner according to the present invention is easy to use and can improve the visibility of dust in a dark and narrow place, and is applicable to various vacuum cleaners for home use, business use, and store use. it can.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Electric blower 3 Suction tool 4 Extension pipe 6 Hose 7 Dust detection means 10 Small nozzle 11 Floor nozzle 14 1st illumination means 15 2nd illumination means 18 Attachment / detachment detection means

Claims (2)

A vacuum cleaner body with a built-in electric blower that generates suction air;
A suction nozzle comprising a floor nozzle having an opening on the lower surface and a small nozzle detachably attached to the floor nozzle;
An attachment / detachment detecting means provided on the small nozzle for detecting attachment / detachment between the floor nozzle and the small nozzle,
A hose with one end connected to the vacuum cleaner body;
One end is connected to the other end of the hose, and the other end is connected to the suction tool .
First illumination means provided on the small nozzle to irradiate the surface to be cleaned;
Second illumination means provided on the floor nozzle for irradiating the surface to be cleaned;
Control means for controlling power supply to the first illumination means and the second illumination means, and the second illumination means has the small nozzle attached to the floor nozzle. Configured to be supplied with power via a nozzle,
The control means supplies power to the second illumination means while the attachment / detachment detection means detects that the small nozzle is attached to the floor nozzle, and supplies power to the first illumination means. Stop power supply,
Further, the control means is a vacuum cleaner that supplies power to the first illumination means while the attachment / detachment detection means detects that the small nozzle is removed from the floor nozzle . With the dust detection means for detecting an amount of sucked dust, the control unit depending on the amount of the detected dust, according to claim 1 for changing the amount of power supplied to the first lighting unit and the second lighting means Electric vacuum cleaner.