JP2006051171A - Suction device for vacuum cleaner and vacuum cleaner having the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suction device for a vacuum cleaner and the vacuum cleaner having the same capable of supplying a power to a component provided in the suction device for the vacuum cleaner with a simple constitution and reducing a labor for a maintenance. <P>SOLUTION: A turbine brush 9 is attached with a ferrite magnet 10 at one end. When the ferrite magnet 10 is rotated with the rotation of the turbine brush 9, a current is generated in a power generation coil 11 by the working of an electromagnetic induction, the generated current flows to a magnetic force generation coil 13 to generate a magnetic force around the magnetic generation coil 13. The magnetic force generated from the magnetic force generation coil 13 attracts metallic substances 14 contained in dust sucked from a suction port and retains them inside the suction device 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vacuum cleaner, and more particularly to a vacuum cleaner suction tool connected to a vacuum cleaner body via a connection hose.

  A general vacuum cleaner includes a main body provided with an electric blower, a suction tool (suction tool for a vacuum cleaner) that is moved along the floor surface, and a connection hose that connects the suction tool to the main body. Yes. When this type of vacuum cleaner is operated, air outside the machine (air on the floor) is sucked from the suction port formed in the suction tool by driving the electric blower provided in the main body, It is sucked into the main body through the connection hose. For example, a disposable filter is accommodated in the main body, and when air sucked into the main body passes through the disposable filter, dust contained in the air is captured.

When cleaning with the electric vacuum cleaner configured as described above, the suction tool may be inserted in a dark place such as a gap between furniture along the floor surface. It is difficult to confirm how much dust is collected and how much dust is sucked in by the suction tool. In patent document 1, the structure which accommodates a dry battery or a storage battery in a suction tool as a power supply, and performs illumination using this power supply is disclosed.
Japanese Patent Laid-Open No. 08-10202

However, in the configuration disclosed in Patent Document 1, when the power stored in the dry battery or the storage battery is used up, maintenance such as replacing the dry battery or charging the storage battery is necessary. Yes and troublesome.
A configuration is also possible in which wiring is extended from the vacuum cleaner body to the suction tool, and power is supplied to electrical components (such as lighting lamps) provided in the suction tool via the wiring. This is difficult to stretch, and the structure becomes complicated.

  The present invention has been made in view of such a background, and can be used to supply power to the components provided in the vacuum cleaner suction tool with a simple configuration, thereby reducing maintenance work. An object of the present invention is to provide a suction tool and a vacuum cleaner provided with the suction tool.

  In order to achieve the above object, the invention according to claim 1 is driven by an electric blower (2) connected to a vacuum cleaner body (3) via a connection hose (5) and provided in the vacuum cleaner body. With the suction tool (4, 41, 42) for sucking air from the suction port (4A, 42A) and sending the sucked air to the main body of the vacuum cleaner through the connection hose. An electric device comprising: a rotating body (9, 20) that rotates by wind pressure of air sucked from the suction port; and a power generation device (12) that generates electric power as the rotating body rotates. It is a vacuum cleaner suction tool.

The alphanumeric characters in parentheses represent corresponding components in the embodiments described later. The same applies hereinafter.
According to this configuration, during operation of the vacuum cleaner, the rotating body can be rotated by the wind pressure of the air sucked from the suction port as the electric blower is driven, and electric power can be generated by the power generator. Therefore, compared to a configuration in which a dry battery or a storage battery is accommodated in a vacuum cleaner suction tool, or a configuration in which wiring is extended from the vacuum cleaner body to the vacuum cleaner suction tool, the vacuum cleaner Electric power can be supplied to the parts provided in the suction tool with a simple configuration, and maintenance work can be reduced.

According to a second aspect of the present invention, the rotating body is disposed at the suction port (4A), and is rotated by the wind pressure of the air sucked from the suction port to scrape dust from the suction port ( 9) The vacuum cleaner suction tool (4, 41) according to claim 1.
According to this structure, electric power can be generated by the power generator using the turbine brush that rotates to scrape dust from the suction port as the electric blower is driven. Therefore, since it is not necessary to provide a separate rotating body for generating electric power by the power generation device, the configuration is simpler and the manufacturing cost can be reduced.

The invention according to claim 3 is the electric vacuum cleaner according to claim 1, wherein the rotating body is a fan (20) arranged in a flow path of air sucked from the suction port (42A). Suction tool (42).
According to this configuration, electric power can be generated by the power generation device with a simple configuration in which the rotatable fan is disposed in the flow path of the air sucked from the suction port.

The invention described in claim 4 further includes magnetic force generation means (13) for generating magnetic force using the electric power generated by the power generation device (12). The vacuum cleaner suction tool (4).
According to this structure, the metal substance contained in the waste sucked from the suction port can be adsorbed using the magnetic force generated by the magnetic force generation means, and can be held in the vacuum cleaner suction tool. Therefore, the metal object sucked from the suction port is sent into the main body of the vacuum cleaner via the connection hose, thereby preventing the main body of the vacuum cleaner from being damaged or the disposable filter from being damaged.

In addition, when the operation of the vacuum cleaner is stopped thereafter, no power is generated by the power generation device, and accordingly, no magnetic force is generated by the magnetic force generating means. The metal object that has been adsorbed and held can be easily taken out.
The invention according to claim 5 further includes an electrical component (18, 21) that operates using the electric power generated by the power generation device (12). It is a vacuum cleaner suction tool (41, 42).

  According to this structure, the electric component provided in the vacuum cleaner suction tool can be operated using the electric power generated by the power generator. Therefore, in order to operate the electric parts provided in the vacuum cleaner suction tool, a dry battery or a storage battery is accommodated in the vacuum cleaner suction tool, or a wiring is provided from the vacuum cleaner body to the vacuum cleaner suction tool. There is no need to extend the power supply, and power can be supplied to the electrical components with a simple configuration.

The invention according to claim 6 is characterized in that the electric component includes an illumination component (18, 21) for irradiating light outward from the vacuum cleaner suction tool (41, 42). Item 6. The vacuum cleaner suction tool according to Item 5.
According to this structure, light can be irradiated from the illumination component with which the suction tool for vacuum cleaners was used using the electric power generated by the power generator. Therefore, when the vacuum cleaner suction tool is inserted in a dark place such as a gap between furniture along the floor surface, it illuminates the floor surface with the light emitted from the lighting components, and how much It is convenient because it is possible to easily check whether the garbage is collected and how much dust is sucked in by the vacuum cleaner suction tool.

The seventh aspect of the present invention is the vacuum cleaner suction tool according to any one of the first to sixth aspects, further comprising a storage device for storing the electric power generated by the power generation device (12). .
According to this configuration, the electric power generated by the power generation device is stored in the battery, and then the electric parts and the like provided in the vacuum cleaner suction tool are operated using the power stored in the battery. It can be made more convenient.

Invention of Claim 8 is the vacuum cleaner main body (3), the suction tool for vacuum cleaners (4, 41, 42) in any one of Claims 1-7, the said vacuum cleaner main body, and the said It is a vacuum cleaner (1) characterized by including the connection hose (5) which connects the suction tool for vacuum cleaners.
According to this structure, the vacuum cleaner which has an effect similar to the invention in any one of Claims 1-7 can be provided. That is, electric power can be supplied to the components provided in the vacuum cleaner suction tool with a simple configuration, and a vacuum cleaner with reduced maintenance work can be provided.

Embodiments of the present invention will be specifically described below with reference to the drawings.
FIG. 1 is a side view of a vacuum cleaner 1 according to an embodiment of the present invention, and shows a part of a suction tool 4 in a sectional view.
Referring to FIG. 1, this vacuum cleaner 1 includes a main body 3 provided with an electric blower 2, a suction tool 4 moved along a floor surface F, and a connection hose that connects the main body 3 and the suction tool 4. And 5. The connection hose 5 is a flexible bellows-shaped first hose 5A having one end connected to the main body 3, and a substantially non-flexible member extending in a straight line. 2nd hose 5B which connects an edge part and the suction tool 4 is included. The vicinity of the connection portion between the second hose 5B and the first hose 5A constitutes a hand portion 8 in which a grip portion 8A for a user to grip when cleaning is formed.

  When cleaning, the user grips the grip portion 8A while driving the electric blower 2 provided in the main body 3, and pulls the suction hose 4 connected to the second hose 5B and the second hose 5B. By moving, dust on the floor surface F is sucked together with air from the suction port 4A of the suction tool 4. A turbine brush 9 that rotates with the wind pressure of the air sucked from the suction port 4 </ b> A is arranged at the suction port 4 </ b> A of the suction tool 4. Spiral blades (not shown) are formed on the peripheral surface of the turbine brush 9, and dust can be scraped from the suction port 4A by rotating the turbine brush 9 at a high speed. ing.

  Air sucked from the suction port 4 </ b> A of the suction tool 4 flows into the main body 3 through the connection hose 5. A disposable filter 7 such as a commercially available paper pack is accommodated in the main body 3, and dust contained in the air flowing into the main body 3 from the suction tool 4 through the connection hose 5 is stored in the disposable filter 7. It will be captured when passing through. A wheel 6 is rotatably attached to the main body 3, and the main body 3 can be moved along the floor surface F by rolling the wheel 6 along the floor surface F. .

FIG. 2 is a schematic diagram schematically showing the internal configuration of the suction tool 4.
With reference to FIG. 2, a ferrite magnet 10 is attached to one end of the turbine brush 9. A power generation coil 11 is provided in the suction tool 4, and when the ferrite magnet 10 rotates with the rotation of the turbine brush 9, a current flows through the power generation coil 11 by electromagnetic induction. The ferrite magnet 10 and the power generation coil 11 constitute a power generation device 12 that generates electric power as the turbine brush 9 rotates. The induced electromotive force E generated by the power generation device 12 is calculated by the following calculation formula.

E = (p / a) × Z × n × φ
(2p = number of poles, 2a = number of parallel circuits of armature (power generation coil 11), Z = total number of conductors of armature, n = rotational speed, φ = magnetic flux per pole)
n = V × TSR × 60 / (6.28 × R)
(V = wind speed, TSR = circumferential speed, R = blade radius)
Therefore, if the electric blower 2 is driven and air is sucked from the suction port 4A at a constant wind speed V, a constant induced electromotive force E can be generated.

  A magnetic force generating coil 13 is connected to the power generating coil 11. When a current is generated in the power generating coil 11 by the electromagnetic induction action, the generated current flows into the magnetic force generating coil 13, and a magnetic force is generated around the magnetic force generating coil 13. According to such a configuration, the metal object 14 included in the dust sucked from the suction port 4 </ b> A can be adsorbed and held in the suction tool 4 using the magnetic force generated by the magnetic force generating coil 13. Therefore, the metal object 14 sucked from the suction port 4 </ b> A is sent into the main body 3 through the connection hose 5, thereby preventing the main body 3 from being damaged or the disposable filter 7 from being damaged.

Further, when the operation of the vacuum cleaner 1 is stopped thereafter, the rotation of the turbine brush 9 is stopped, and no power is generated by the power generation device 12. Is no longer generated, so that the metal object adsorbed and held in the suction tool 4 can be easily taken out.
FIG. 3 is a block diagram showing an electrical configuration of the vacuum cleaner 1.

Referring to FIG. 3, a main body control circuit 15 including a microcomputer is provided in the main body 3 of the electric vacuum cleaner 1. The electric blower 2 is electrically connected to the main body control circuit 15, and the operation of the electric blower 2 is controlled by the main body control circuit 15.
The hand portion 8 is provided with a hand control circuit 16 including a microcomputer. The hand control circuit 16 is electrically connected to the main body control circuit 15 provided in the main body 3 via a wiring (not shown) extending in the first hose 5A, and can input / output each other. The hand portion 8 is provided with an operation portion 17 for performing an operation related to the operation of the electric vacuum cleaner 1 (for example, an operation for starting / stopping the operation). Thus, a signal is input to the hand control circuit 16.

  As described above, the suction device 4 includes the power generation device 12 including the power generation coil 11, and the power generation coil 11 is connected to the magnetic force generation coil 13. As described above, the power supplied to the magnetic force generating coil 13 is self-generated by the power generation device 12 in the suction tool 4, so that the suction tool 4 is connected to the main body 3 and the magnetic force generating coil 13. There is no need to be electrically connected to the hand 8.

  In this embodiment, when the electric vacuum cleaner 1 is operated, the turbine brush 9 is rotated by the wind pressure of the air sucked from the suction port 4 </ b> A as the electric blower 2 is driven, and electric power can be generated by the power generator 12. Therefore, compared to a configuration in which a dry battery or a storage battery is accommodated in the suction tool 4 or a configuration in which wiring is extended from the main body 3 to the suction tool 4, a component (for example, Electric power can be supplied to the magnetic force generating coil 13) with a simple configuration, and maintenance labor can be reduced.

In particular, electric power can be generated by the power generator 12 using the turbine brush 9 that rotates to scrape dust from the suction port 4 </ b> A as the electric blower 2 is driven. Therefore, since it is not necessary to provide a separate rotating body in order to generate electric power with the electric power generating apparatus 12, a structure is simpler and manufacturing cost can be reduced.
FIG. 4 is a block diagram showing an electrical configuration of the suction tool 41 according to the first modification.

The suction tool 41 according to the first modification includes the power generation device 12 as in the above embodiment, and the ferrite magnet 10 attached to the turbine brush 9 rotates as the turbine brush 9 rotates. A current flows through the power generation coil 11 by electromagnetic induction.
In the first modification, the suction tool 41 is provided with an illumination lamp 18 (for example, an LED element) that irradiates light outward. The illumination lamp 18 is connected to the power generation coil 11, and when a current is generated in the power generation coil 11 due to electromagnetic induction, the generated current flows to the illumination lamp 18 and the illumination lamp 18 is turned on. According to such a configuration, it is possible to irradiate light from the illumination lamp 18 provided in the suction tool 41 using the electric power generated by the power generation device 12. Therefore, when the suction tool 41 is inserted in a dark place such as a gap between furniture along the floor surface F, the floor surface F or the like is illuminated with the light emitted from the illumination lamp 18, and how much is there. Conveniently, it is possible to easily check whether the dust is collected and how much dust is sucked in by the suction tool 41.

  However, the suction tool 41 may be provided with another electrical component different from the illumination lamp 18 (for example, a display for performing a predetermined display such as being in operation). In this case, the electric component provided in the suction tool 41 can be operated using the electric power generated by the power generation device 12. Therefore, in order to operate the electrical component provided in the suction tool 41, there is no need to accommodate a dry battery or a storage battery in the suction tool 41 or to extend a wiring from the main body 3 to the suction tool 41. It is possible to supply power with a simple configuration.

FIG. 5 is a schematic cross-sectional view of the suction tool 42 according to the second modification.
The suction tool 42 according to the second modification is a gap nozzle that can be inserted into a narrow gap, and is formed of a cylindrical member whose tip is tapered. As for this suction tool 42, the front-end | tip edge forms the suction inlet 42A, and a base end part is fitted and used for the connection hose 5 (2nd hose 5B).

  The suction tool 42 is formed so that a part of its wall surface protrudes outward, whereby the recess 19 is formed in a part of the inner surface of the suction tool 42. A fan 20 is rotatably disposed in the recess 19, and the fan 20 is rotated by the wind pressure of air sucked from the suction port 42 </ b> A and flowing through the suction tool 42. A ferrite magnet (not shown) is attached to one end of the fan 20, and when the ferrite magnet rotates with the rotation of the fan 20, a power generating coil ( A current flows through (not shown). The ferrite magnet and the power generation coil constitute a power generation device that generates electric power as the fan 20 rotates.

  The front end of the suction tool 42 is provided with an illumination lamp 21 (for example, an LED element) that emits light outward. The illumination lamp 21 is connected to the power generation coil. When a current is generated in the power generation coil due to electromagnetic induction, the generated current flows to the illumination lamp 21 and the illumination lamp 21 is turned on. According to such a structure, light can be irradiated from the illumination lamp 21 provided in the suction tool 42 using the electric power generated by the power generation device. Therefore, when the suction tool 42 is inserted in a dark place such as a gap between furniture along the floor surface F, the floor surface F or the like is illuminated with the light emitted from the illumination lamp 21, and how much is there. Conveniently, it is possible to easily check whether the dust is collected and how much dust is sucked in by the suction tool 42.

In particular, in the second modification, electric power can be generated by the power generator with a simple configuration in which the rotatable fan 20 is disposed in the flow path of the air sucked from the suction port 42A.
However, the suction tool 42 may be provided with another electrical component different from the illumination lamp 21 (for example, a display for performing a predetermined display such as being in operation). In this case, the electric component provided in the suction tool 42 can be operated using the electric power generated by the power generation device. Therefore, in order to operate the electrical component provided in the suction tool 42, it is not necessary to accommodate a dry battery or a storage battery in the suction tool 42 or to extend a wiring from the main body 3 to the suction tool 42. It is possible to supply power with a simple configuration.

  The suction tool 42 may be provided with a magnetic force generating coil for adsorbing a metal object contained in the dust sucked from the suction port 42 </ b> A by a magnetic force and holding it in the suction tool 42. In this case, the metal object sucked from the suction port 42 </ b> A is sent into the main body 3 through the connection hose 5, thereby preventing the main body 3 from being damaged or the disposable filter 7 from being damaged. Further, when the operation of the vacuum cleaner 1 is subsequently stopped, the rotation of the fan 20 stops and no power is generated by the power generation device, and accordingly, a magnetic force is generated by the magnetic force generating coil. Therefore, the metal object adsorbed and held in the suction tool 42 can be easily taken out.

The present invention is not limited to the contents of the above embodiments, and various modifications can be made within the scope of the claims.
For example, the suction tools 4, 41, 42 may be provided with a capacitor for storing the power generated by the power generation device. According to such a configuration, the electric components generated in the suction devices 4, 41, 42 are stored in the electric storage device after the electric power generated by the power generator is stored, and then the electric power stored in the electric storage device is used. Etc. can be operated, which is more convenient.

The ferrite magnet is not limited to a configuration provided only at one end of the turbine brush 9 or the fan 20, and may be provided at both ends of the turbine brush 9 or the fan 20.
The rotating body that is rotated to generate electric power by the power generation device is not limited to the turbine brush 9 and the fan 20, and may be another rotating body that rotates by the wind pressure of air sucked from the suction ports 4 and 42 </ b> A.

  The power generation device is not limited to a configuration that generates electric power by electromagnetic induction, and may have another configuration that can generate electric power as the rotating body rotates.

It is a side view of the vacuum cleaner which concerns on one Embodiment of this invention, Comprising: A part of suction tool is shown with sectional drawing. It is a schematic diagram which shows roughly the internal structure of a suction tool. It is a block diagram which shows the electric constitution of this vacuum cleaner. It is a block diagram which shows the electrical structure of the suction tool which concerns on a 1st modification. It is a schematic sectional drawing of the suction tool which concerns on a 2nd modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric vacuum cleaner 2 Electric blower 3 Main body 4 Suction tool 4A Suction port 5 Connection hose 9 Turbine brush 12 Power generation device 13 Coil 18 for magnetic force generation Illumination lamp 20 Fan 21 Illumination lamp 41 Suction tool 42 Suction tool 42A Suction port

Claims (8)

The vacuum cleaner main body is connected via a connection hose, and air is sucked from the suction port as the electric blower provided in the vacuum cleaner main body is driven, and the sucked air is sucked through the connection hose. A vacuum cleaner suction tool for sending to the machine body,
A rotating body that rotates with the wind pressure of the air sucked from the suction port;
A vacuum cleaner suction tool comprising: a power generation device that generates electric power as the rotating body rotates.   2. The turbine brush according to claim 1, wherein the rotating body is a turbine brush that is disposed at the suction port and rotates with the wind pressure of air sucked from the suction port to scrape dust from the suction port. Vacuum cleaner suction tool.   The suction tool for a vacuum cleaner according to claim 1, wherein the rotating body is a fan disposed in a flow path of air sucked from the suction port.   The vacuum cleaner suction tool according to any one of claims 1 to 3, further comprising magnetic force generation means for generating a magnetic force using the electric power generated by the power generation device.   The vacuum cleaner suction tool according to any one of claims 1 to 4, further comprising an electric component that operates using electric power generated by the power generation device.   The vacuum cleaner suction tool according to claim 5, wherein the electrical component includes an illumination component that emits light outward from the vacuum cleaner suction tool.   The vacuum cleaner suction tool according to any one of claims 1 to 6, further comprising a battery for storing electric power generated by the power generation device. The vacuum cleaner body,
A vacuum cleaner suction tool according to any one of claims 1 to 7,
A vacuum cleaner comprising: a connection hose connecting the vacuum cleaner body and the vacuum cleaner suction tool.

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