JP2001269301A - Electrostatic vacuum cleaner - Google Patents

Abstract

(57) [Problem] An object of the present invention is to remove dust existing inside a carpet or the like, particularly to remove large-sized, large-volume, and large-density dust in an electrostatic vacuum cleaner. SOLUTION: A belt-shaped rotary brush having a belt portion formed of an insulating material and having a brush and / or a blade fixed on a surface thereof, one or more driving rollers for rotating the belt portion, and the driving roller , And a charging member formed of an insulator material different from the insulator material and arranged in pressure contact with the belt portion. When the belt portion and the charging member friction and separate from each other, static electricity is generated, and a suction force against dust acts on the belt portion, and the dust is scooped up by a brush.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrostatic vacuum cleaner used at home or the like.

[0002]

2. Description of the Related Art In recent years, electrostatic vacuum cleaners utilizing static electricity have been developed in place of suction vacuum cleaners that perform vacuum suction.

For example, Japanese Unexamined Patent Publication No. 63-183956 (hereinafter referred to as "A") discloses a suction device cover having an opening at a lower portion and a large electric resistivity provided inside the suction device cover in opposition to the opening. An electrostatic vacuum cleaner having a brush made of a material and a friction plate that rubs the brush by pressing the brush on the upper surface of the brush is disclosed.

Hereinafter, an electrostatic vacuum cleaner disclosed in the above-mentioned prior art, which is disclosed in Japanese Patent Application Laid-Open Publication No. Hei.

FIG. 5 is a sectional view of a main part of a conventional electrostatic vacuum cleaner.

In FIG. 5, reference numeral 29 denotes a suction device cover having an open bottom, reference numeral 30 denotes a brush disposed inside the suction device cover 29 and molded from a material having a high electrical resistivity, and reference numeral 31 denotes a brush which is pressed against the upper surface of the brush 30. And a motor 32 for rotating the friction plate 31.

During operation of the cleaner, static electricity is generated by the rotation of the motor 32 and the friction between the friction plate 31 and the brush 30, and the dust is collected while attracting dust to the brush 30 by the suction force of the static electricity.

In this electrostatic vacuum cleaner, it is not necessary to rotate the suction fan at a high speed unlike the suction vacuum cleaner, so that the noise and power consumption are relatively small, and dust is not scattered into the room by the exhaust air. There are features.

[0009]

However, the above-mentioned prior art has the following problems.

That is, in the device disclosed in Japanese Patent Publication No. A, dust is collected only by electrostatic attraction, and this attraction is not so large. Therefore, carpets, especially those having a long pile length and those having a loop pile, There was a problem that it was difficult to sufficiently remove dust accumulated inside.

Further, there is a problem that it is difficult to adsorb sand having a large specific gravity or a large capacity among dusts.

[0012] Further, what is disclosed in Japanese Patent Publication No.
Since there is no dust collecting portion, there is a problem that the adsorbed dust must be frequently discharged.

The present invention solves the above-mentioned conventional problems, and is an electrostatic type capable of adsorbing dust accumulated inside a carpet or the like having a long pile length or a loop pile, or dust having a large specific gravity or a large capacity. It is intended to provide a vacuum cleaner.

It is another object of the present invention to provide an electrostatic vacuum cleaner in which the frequency of discharging adsorbed dust is reduced.

[0015]

In order to achieve the above object, an electrostatic vacuum cleaner according to the present invention has the following arrangement. That is, the present invention is an electrostatic vacuum cleaner having a dust intake port and a dust collecting section, comprising: a belt section provided in the intake port and formed of an insulating material; and a brush and / or a blade attached to the surface thereof. Belt-like rotating body,
One or more driving rollers for rotating the belt portion;
A power mechanism for driving at least one of the driving rollers; and one or more charging members formed of an insulating material different from the insulating material of the belt portion and disposed in pressure contact with the belt portion. It has a configuration.

According to this configuration, a synergistic effect between the adsorption of dust by static electricity and the collection of dust by a scraping means such as a brush can be obtained, and the dust collected inside a carpet or the like and the dust having a large specific gravity or volume can be adsorbed. Can be.

Further, since the dust collecting portion is provided, the frequency of discharging the adsorbed dust can be reduced.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electrostatic vacuum cleaner according to claim 1 of the present invention is an electrostatic vacuum cleaner having a dust inlet for taking in dust and a dust collecting part for containing the dust. A belt-shaped rotating body including a belt portion formed of an insulating material and a brush and / or a blade mounted on the surface of the belt portion, and a ring-shaped interior of the belt-shaped rotating body. One or more driving rollers for rotating the belt portion, a power mechanism for driving at least one of the driving rollers, and the belt portion formed of an insulator material different from the insulator material. And at least one charging member disposed in pressure contact with the charging member.

This configuration has the following functions.

(1) Static electricity is generated in the belt part due to friction and separation between the belt part and the charging member, dust is attracted by the attraction of the static electricity, and further, the dust is scraped up by a brush and / or a blade. Dust collected inside a carpet or the like or dust having a large specific gravity or volume can be collected.

Here, as the insulating material used for the belt portion and the charging member, static electricity is generated more as the positional relationship in the charging series is farther away. For example, the material used for the belt portion is negatively charged. Examples include fluororesins and synthetic fibers such as PTFE and ETFE, and synthetic resins such as vinyl chloride, polyethylene, and polypropylene. The materials used for the charging member include nylon, wool, and glass that are easily charged to a positive polarity. Is mentioned.

Further, any shape can be adopted as a shape when a brush or the like is attached to the belt portion. A linear shape in the width direction, a linear shape with a slope in the width direction, a C-shape, a staggered shape, or the like can be adopted.

Here, as a method for connecting the driving roller and the power mechanism, for example, a timing belt, a V-belt, a spur gear, a planetary gear, or the like can be used.

Also, by providing a gear-shaped uneven portion on a part of the driving roller and providing a corresponding uneven portion on the belt portion, the driving roller can be driven even when the rotating torque of the belt-shaped rotating body is large. Smooth rotation can be obtained without slipping, the magnitude of the generated static electricity becomes constant, and the dust collecting force is stabilized.

The shape of the belt-shaped rotating body can be freely changed according to the layout in the cleaner by changing the number of driving rollers and the installation position.

(2) Since the vacuum cleaner has a dust collecting section and can store a large amount of adsorbed dust, the frequency of discharging dust can be reduced.

It is more preferable to provide a detecting device for notifying that the dust is full with a lamp or the like in the dust collecting portion.

According to a second aspect of the present invention, in the electrostatic vacuum cleaner according to the first aspect, the brush and / or
Alternatively, the blade has a configuration in which the blade is formed of the same material as the belt portion.

This configuration has the following functions.

(1) Static electricity is also generated in the brushes and / or blades. Particularly when cleaning a carpet or the like, the brushes and / or blades that have entered the interior of the carpet adsorb the dust inside the carpet and improve the dust collecting power. I do.

According to a third aspect of the present invention, in the electrostatic vacuum cleaner according to the first or second aspect of the present invention, the charging member is disposed inside a ring of the belt-shaped rotating body. , At least one of the charging members applies a tension to the belt portion.

This configuration has the following functions.

(1) While the belt is rotating, the brush and / or
Or because the blade and the charging member do not interfere with each other,
The belt portion rotates smoothly, the magnitude of the generated static electricity becomes constant, and the dust collecting ability can be stabilized.

(2) Since the belt portion is pressed against the driving roller with a constant force, it is possible to prevent the driving roller from idling, and to stabilize the dust collecting ability without interrupting the generation of static electricity. it can.

According to a fourth aspect of the present invention, in the electrostatic vacuum cleaner according to any one of the first to third aspects, the belt portion is formed of a material containing a fluorine resin, and the charging member is Has a configuration molded of a material containing nylon.

This configuration has the following functions.

(1) Among various dusts in general households, many are attracted to negative charges, and the tendency is particularly remarkable for sand and dust, which are heavy solids which are difficult to scoop. On the other hand, since the fluororesin is very easily charged to a negative polarity, dust which is generally difficult to collect can be scooped.

(2) Since the combination of a fluororesin and nylon has a large ability to generate static electricity, dust collection can be further improved.

(3) Since the fluororesin has a self-lubricating property, the dust can be easily separated, the absorbed dust can be reliably contained in the dust collecting portion, and the dust is scattered into the room. Can be prevented.

(4) Nylon has excellent wear resistance,
Since scattering of the abrasion powder can be reduced, dust from the vacuum cleaner can be reduced, and the frequency of replacement of the charging member can be reduced.

According to a fifth aspect of the present invention, in the electrostatic vacuum cleaner according to any one of the first to fourth aspects, the charging member is a rotatable charging roller having a roller shape. It has a configuration.

This configuration has the following functions.

(1) Even when the charging member is disposed in a portion where the traveling direction of the belt portion changes abruptly, it is not necessary to increase the rotating torque so much, and the driving force of the belt portion can be reduced. Compactness and energy saving can be achieved.

According to a sixth aspect of the present invention, there is provided the electrostatic vacuum cleaner according to any one of the first to fifth aspects, wherein the belt portion has a thick portion and a thin portion parallel to the longitudinal direction. Alternately, at least one of the driving rollers has a regular polygonal cross section, and the total width of the thick portion and the thin portion is substantially equal to one side of the regular polygon driving roller. It has a configuration that is a value.

With this configuration, the following operations are provided.

(1) Since the belt portion strongly adheres to the driving roller, the driving force can be efficiently transmitted to the belt portion without performing complicated processing such as gear-shaped irregularities on the belt portion, and energy is saved. Can be achieved.

Further, there is no noise generated due to slippage between the driving roller and the belt portion, noise can be reduced, and the driving roller is less worn due to friction between the driving roller and the belt portion. It is possible to reduce the frequency of replacement of the roller and the belt.

According to a seventh aspect of the present invention, in the electrostatic vacuum cleaner according to the sixth aspect, a brush is implanted in the thick portion.

This configuration has the following functions.

(1) Since the brush can be directly implanted in the thick portion, it is easy to manufacture and excellent in mass productivity.

Here, as a method of implanting the brush in the thick portion, any method can be adopted, and for example, a method in which a hole is provided in the thick portion and the lower portion of the brush is inserted, or the brush is fixed by an adhesive or the like. Can be adopted.

According to an eighth aspect of the present invention, in the electrostatic vacuum cleaner according to the sixth aspect, the thick portion is substantially C-shaped.
A configuration in which a brush member having a mold-shaped cross section and a brush implanted in a base material is detachably inserted into the substantially C-shaped hollow portion, and the brush is inserted through the substantially C-shaped notch. have.

With this configuration, the following operations are provided.

(1) Since the brush member is removably inserted, only the brush member whose brush has worn out needs to be replaced, the time required for replacement is short, and work is easier than replacing the entire belt portion. .

According to a ninth aspect of the present invention, in the electrostatic vacuum cleaner according to any one of the fifth to eighth aspects, the rotation speed of the driving roller is equal to the rotation speed of the charging roller. Differently from the number, the driving roller and the charging roller are connected to the power mechanism.

This configuration has the following functions.

(1) A large frictional force acts between the belt portion and the charging roller serving as a charging member, so that the generated static electricity increases and the dust collecting ability can be improved.

Here, as means for making the rotational speeds of the driving roller and the charging roller different, for example, a transmission using a gear is attached to the shaft of the driving roller and the charging roller, and the power mechanism and the timing are adjusted. A method of connecting the two transmissions with a belt or the like to change the gear ratio of the two transmissions is exemplified. By varying the gear ratios of these transmissions, it is possible to set the rotation speeds of the driving roller and the charging roller to a value that matches the capacity of the power mechanism and the amount of static electricity to be generated.

According to a tenth aspect of the present invention, in the electrostatic vacuum cleaner according to any one of the fifth to ninth aspects, the driving roller rotates in a direction opposite to the charging roller. In this case, the driving roller and the charging roller are connected to the power mechanism.

This configuration has the following functions.

(1) As in the case of the ninth aspect, a larger frictional force acts between the belt portion and the charging roller, thereby increasing generated static electricity and improving dust collecting ability.

Here, as means for making the rotation directions of the driving roller and the charging roller different, for example, using the same mechanism as in the above-mentioned claim 9, the rotation of the driving roller or the charging roller is performed. Methods such as changing directions can be adopted.

According to an eleventh aspect of the present invention, in the electrostatic vacuum cleaner according to the ninth aspect, the driving roller rotates in the same direction as the charging roller and is faster than the charging roller. The driving roller and the charging roller are connected to the power mechanism so as to rotate.

This configuration has the following functions.

(1) As in the case of the ninth aspect, a larger frictional force acts between the belt portion and the charging roller, thereby increasing the generated static electricity and improving the dust collecting ability. The belt portion can be prevented from being damaged due to excessive tensile stress applied to the portion.

Here, as a method of rotating the driving roller in the same direction as the charging roller and rotating faster than the charging roller, for example, a method using the same mechanism as in the above-mentioned claim 9 is employed. it can.

According to a twelfth aspect of the present invention, in the electrostatic vacuum cleaner according to any one of the first to eleventh aspects, the belt-shaped rotating body has one or more static elimination units. ing.

This configuration has the following functions.

(1) By removing the electricity from the belt, the dust adhering to the surface of the belt can be reliably introduced into the dust collector, so that the scattering of dust into the room can be prevented, and the belt can be used for a long time. Dirt can be reduced, and the frequency of maintenance of the belt portion can be reduced.

Here, as the material used for the charge eliminating member, any material can be adopted as long as it has a small electric resistance value, but metals and carbon-containing materials are preferable in terms of cost and workability.

Further, any shape can be adopted as the shape of the charge removing member, but a brush-like shape which makes point contact with the belt portion so as not to hinder the driving of the belt portion is preferable. The position where the static elimination member for neutralizing the belt portion is disposed is preferably between the dust collecting portion side end of the portion parallel to the floor surface of the belt portion and the point in contact with the driving roller. . In the part of the belt that is parallel to the floor, the brush is sweeping the floor and requires suction by static electricity.However, after the brush leaves the floor and guides the dust to the dust collecting part, the suction This is because less power can reliably accommodate the dust in the dust collection unit.

The static elimination member may be formed of a resistive material to consume static electricity by self-discharge, or a diode or the like may be connected to thereby consume electric charge.

According to a thirteenth aspect of the present invention, in the electrostatic vacuum cleaner according to the twelfth aspect, the static eliminator is configured to be electrically connected to the charging member.

This configuration has the following functions.

(1) Since the polarity of the static electricity generated in the static eliminator is opposite to the polarity of the static electricity generated in the charging member, the static electricity is transferred inside the ring of the belt-shaped rotating body without using other parts. The dust attached to the surface of the belt portion can be reliably introduced into the dust collecting portion.

According to a fourteenth aspect of the present invention, there is provided the electrostatic vacuum cleaner according to the first aspect, wherein a sensor for detecting temperature and / or humidity is provided;
It has the structure which has the control part which receives the signal from the said sensor part and controls the said power mechanism.

With this configuration, the following operations are provided.

(1) Since the magnitude of the generated static electricity varies depending on the temperature and humidity, the magnitude of the generated static electricity can be made constant by controlling the number of rotations according to the temperature and humidity. , And a stable dust collecting force can be obtained.

(2) Since the optimum rotation speed of the belt-shaped rotator is set according to the temperature and the humidity, there is no need to allow for the rotation speed of the belt-shaped rotator, so that the running cost is reduced. be able to.

As to how to set the number of rotations of the belt-shaped rotating body depending on the temperature and humidity, the amount of static electricity generated according to various temperatures and humidity is measured in advance by experiments, and the It is preferable to know the number of rotations corresponding to the amount.

According to a fifteenth aspect of the present invention, in the electrostatic vacuum cleaner according to the fourteenth aspect, the control unit increases the number of revolutions of the power mechanism in accordance with an increase in temperature and / or humidity. It has a configuration for transmitting a signal for causing the signal to be transmitted.

This configuration has the following functions.

(1) Although the static electricity generated at high temperature and high humidity is small, even in such a case, by reducing the static electricity by increasing the rotation speed of the belt-shaped rotating body, a stable dust collecting force can be obtained.

An electrostatic vacuum cleaner according to a sixteenth aspect of the present invention is the electrostatic vacuum cleaner according to any one of the first to fifteenth aspects, further comprising a power storage unit for driving the power mechanism. ing.

With this configuration, the following operations are provided.

(1) Electric power for driving the belt unit is supplied from the power storage unit, so that a power cord between the cleaner and the outlet is not required, and the cleaner can be easily moved at the time of cleaning.

An embodiment of the present invention will be described below with reference to FIGS.

(Embodiment 1) FIG. 1 is a sectional view of an essential part of an electrostatic vacuum cleaner according to Embodiment 1 of the present invention.

In FIG. 1, reference numeral 1 denotes a floor surface, 2 denotes dust scattered on the floor surface, 3 denotes a casing of an electrostatic vacuum cleaner, 4 denotes a dust intake port, 5 denotes a belt-shaped rotating body, and 6 denotes a belt. A belt portion attached to the outer periphery of the rotator 5, a brush 7 for scooping up the dust 2, a driving roller 8 for driving the belt portion 6, and an auxiliary rotating roller 9 made of the same material as the belt portion 6 Reference numeral 10 denotes a motor for driving the driving roller 8, reference numeral 11 denotes a timing belt connecting the driving roller 8 and the motor 10, reference numeral 12 denotes a charging member that generates static electricity by friction and separation with the belt portion 6, and reference numeral 13 denotes a charging member. A dust collecting unit for storing the dust 2, a power storage unit 14 for starting the motor 10, a start switch 15 for the motor 10, a mounting member 16 for a handle, a handle 17 mounted on the mounting member 16, and a movement 18 Which is a roller.

The start switch 15 can be used as a foot switch by disposing it on the side surface of the casing 3, and can also be used as a hand switch when attached to the handle 17.

The operation of the electrostatic vacuum cleaner according to the first embodiment of the present invention configured as described above will be described below.

When the start switch 15 is turned on, the power storage unit 14
Supplies electric power to the motor 10, and the motor 10 starts up and starts rotating. The rotation of the motor 10 is transmitted to the driving roller 8 by the timing belt 11 and the driving roller 8
Is rotated, and the belt portion 6 that is in pressure contact therewith rotates as shown by an arrow a.

At this time, the belt 6 made of an insulating material
Is a frictional charge caused by friction with a charging member 12 made of a different insulating material;
Static electricity is generated by the peeling charge generated when 2 is peeled off.

[0094] The floor surface 1
The upper dust 2 is sucked by the belt unit 6, is scooped up by the brush 7 in the direction indicated by the arrow b, and is stored in the dust collection unit 13.

Since the auxiliary rotating roller 9 is made of the same material as that of the belt 6, the charge on the belt 6 does not move to the auxiliary rotating roller 9, and the static electricity of the belt 6 is discharged. Less likely to lower.

Here, the manner in which the dust 2 attracted to the belt portion 6 is taken in is described below. In the case where the dust 2 collides with the brush 7 while being attracted to the belt portion 6 and is scraped into the dust collecting portion 13, When the dust is collected and finally scraped into the dust collecting portion 13 while repeatedly being dropped on the floor surface and attracted again without being attracted to the auxiliary roller 9 and the driving roller When the traveling direction of the belt portion 6 changes abruptly in the vicinity of 8, various modes are conceivable depending on the type and size of the dust 2, such as when the belt portion 6 is taken into the dust collection portion 13 by inertial force.

The dust 2 finally accumulated in the dust collection unit 13
Is discharged from a discharge door (not shown) to a trash can.

Next, the operation of the electrostatic vacuum cleaner according to Embodiment 1 of the present invention configured as described above will be described.

(1) The dust 2 on the floor 1 is sucked up by the brush 7 while being sucked by the belt portion 6 by the suction force of the static electricity, so that the dust collection force is improved as compared with the case where the brush is scraped by itself. This makes it possible to reduce the number of rotations of the belt-shaped rotator 5, and has the effect of reducing noise and reducing power consumption.

Also, dust left behind by the brush 7 can be collected by static electricity, and fine dust and the like can be attracted by static electricity, so that scattering into the room can be prevented. Have.

(2) The casing 3 is provided with a power storage unit 14 having a charging cord (not shown). When the vacuum cleaner is not used, the charging cord is connected to an outlet. Since the electric power can be stored in the power storage unit 14, when the vacuum cleaner is used, the power cord is stored inside the power cord without being connected to an outlet, so that the vacuum cleaner can be easily moved.

(3) Since the vacuum cleaner has the dust collecting section 13, which can store a large amount of adsorbed dust, the dust discharging frequency can be reduced.

(Embodiment 2) FIG. 2 is a sectional view of a main part of an electrostatic vacuum cleaner according to Embodiment 2 of the present invention.

In FIG. 2, 1 is a floor surface, 2 is dust scattered on the floor surface, 3 is a casing of an electrostatic vacuum cleaner, 4 is a dust intake, 5 is a belt-shaped rotating body, and 6 is a belt-shaped rotating body. A belt portion attached to the outer periphery of the rotating body, 7 is a brush for scooping up dust, 8 is a driving roller for driving the belt portion 6, 9 is an auxiliary rotating roller formed of the same material as the belt portion 6, and 10 is A motor for driving the driving roller 8, a timing belt 11 for connecting the driving roller 8 and the motor 10, a dust collection unit 13 for storing dust, a power storage unit 14 for starting the motor 10, and a reference numeral 15 A start switch for the motor 10, 16 is a handle attaching member, 17 is a handle attached to the attaching member 16, 18 is a roller for movement, and 19 is a charging device that generates static electricity by friction and separation from the belt portion 6. Reference numeral 20 denotes a tensioner that generates static electricity by friction and separation with the belt portion 6 and also applies tension to the belt portion 6, 21 denotes a static elimination brush for eliminating static electricity from the belt portion 6, and 22 denotes a charging brush A static elimination brush for eliminating static electricity from the roller 19, a temperature sensor 23 for detecting indoor temperature, a humidity sensor 24 for detecting indoor humidity, and a signal 25 from the temperature sensor 23 and the humidity sensor 24. The controller is a controller that controls the number of rotations of the motor 10 in response to the control to control the magnitude of static electricity generated.

The configuration of the second embodiment is different from that of the first embodiment in that the charging member 1
2, a charging roller 19 having the same action as the charging member 12 is provided, and a neutralizing brush 21 is provided in contact with the belt portion 6. Provided, the point at which the neutralizing brush 22 is disposed in contact with the charging roller 19, the point at which the temperature sensor 23 and the humidity sensor 24 are disposed on the exterior of the casing 3 of the cleaner, and the casing 3 of the cleaner. Temperature sensor 2 inside
3 and a controller 25 for controlling the number of rotations of the motor 10 in response to a signal from the humidity sensor 24.

The operation of the second embodiment configured as described above is the same as that of the first embodiment, and a description thereof will be omitted.

Next, the operation of the electrostatic vacuum cleaner according to the second embodiment configured as described above will be described below.

The electrostatic vacuum cleaner according to the second embodiment has the following operation in addition to the operation of the electrostatic vacuum cleaner according to the first embodiment.

(1) The tensioner 20 is made of an insulating material different from that of the belt 6, generates static electricity by friction and peeling off from the belt 6, and applies a constant tension to the belt 6. In addition, there is an effect that the idling of the driving roller 8 is prevented, and a constant static electricity is generated to stabilize the dust collecting force.

(2) The charging roller 19 generates static electricity by friction and separation from the belt 6, and
Since the roller 6 can rotate in the same direction as the driving roller 8 by sliding with the belt 6, even if the belt 6 is disposed in a portion where the traveling direction changes abruptly, the rotational torque can be greatly reduced. Accordingly, the motor 10 can be made compact and energy-saving.

(3) A static elimination brush 21 for eliminating static electricity is provided in contact with the belt portion 6 and the charging roller 19, and dust adsorbed on the belt portion 6 due to static electricity is collected near the dust collecting portion. Since the static electricity is removed and the suction force due to the static electricity is lost, the toner is peeled off from the belt portion 6 and is reliably taken into the dust collecting portion. Has the effect of being able to

(4) The amount of static electricity varies depending on the temperature and humidity.
Is provided, which monitors temperature and humidity during operation, supplies data to the controller 25, and determines the number of rotations of the motor 10 corresponding to the temperature and humidity.
Is set, constant static electricity can always be generated, and it is not necessary to set the rotation speed of the motor 10 to a level at the temperature and humidity where static electricity is least likely to be generated, so that running costs can be reduced and energy saving can be achieved. It has the action of:

(Embodiment 3) FIG. 3 is a sectional view of an essential part of an electrostatic vacuum cleaner according to Embodiment 3 of the present invention.
FIG. 2 is an enlarged sectional view of a main part showing an example of a mode when a brush is implanted in the belt portion.

In FIG. 3, 1 is the floor surface, 2 is the dust scattered on the floor surface, 3 is the casing of the electrostatic vacuum cleaner, 4 is the intake of the dust 2, 5 is the belt-like rotating body, and 6 is the belt A belt portion 7 attached to the outer periphery of the rotary member, a brush 7 for scraping dust attached to a thick portion of the belt portion 6;
Reference numeral 10 denotes an auxiliary rotating roller formed of the same material as the belt portion 6, 10 denotes a motor for driving the driving roller 8, 1
Reference numeral 1 denotes a timing belt for connecting the driving roller 8 and the motor 10, 13 denotes a dust collecting unit for storing dust, and 14 denotes the motor 1.
0, a power storage unit for starting 0, 15 a start switch of the motor 10, 16 a mounting member of the handle, 17 a handle mounted on the mounting member 16, 18 a roller for movement, 1
Reference numeral 9 denotes a charging roller that generates static electricity by friction and separation from the belt portion 6, 20 denotes a tensioner that generates static electricity by friction and separation from the belt portion 6, and applies tension to the belt portion 21. Is a static elimination brush for eliminating static electricity of the belt portion 6, 22 is a static elimination brush for eliminating static electricity of the charging roller 19, 23 is a temperature sensor for detecting indoor temperature, and 24 is indoor humidity. A humidity sensor 25 for controlling the rotation speed of the motor 10 in response to signals from the temperature sensor 23 and the humidity sensor 24,
Reference numeral 26 denotes a regular hexagonal driving roller for driving the belt unit 6.

Note that the total width of the thick portion and the thin portion of the belt portion 6 is substantially equal to one side of the polygonal driving roller.

In FIG. 4, reference numeral 7 denotes a brush for scraping up the dust 2; 27, a brush member on which the brush 7 is planted;
Reference numeral 28 denotes a thick portion of the belt portion 6 to which the brush member 27 can be detachably inserted.

The third embodiment differs from the second embodiment in that the charging belt 6 has thick and thin portions alternately, and the driving roller has a regular hexagonal shape.

The operation of the third embodiment configured as described above is the same as that of the first embodiment, and a description thereof will not be repeated.

[0119] The operation of the electrostatic vacuum cleaner of the third embodiment configured as described above will be described below.

The electrostatic vacuum cleaner according to the third embodiment has the following operation in addition to the operation of the electrostatic vacuum cleaner according to the first or second embodiment.

(1) The driving roller 26 has a regular hexagonal shape, and the sum of the width of the pair of thick portions and the width of the thin portion of the belt 6 is substantially equal to one side of the driving roller 26. Value
The belt portion 6 is in close contact with the driving roller 26, so that the driving force can be efficiently transmitted to the belt portion 6 without providing a gear-shaped uneven portion on the outer periphery of the driving roller 26.

(2) As a method of attaching the brush 7 to the belt portion 6, as shown in FIG.
Has a substantially C-shape, and a method in which a brush member 27 having the brush 7 attached thereto is detachably inserted into a hollow portion thereof, so that only a part of the brush 7 with severe pain can be easily replaced, and the belt portion is formed. Since it is not necessary to replace the entire brush 6, the cost and time required for replacing the brush 7 can be reduced.

[0123]

As described above, according to the electrostatic vacuum cleaner of the present invention, the following excellent effects can be realized.

According to the first aspect of the present invention, (1) static electricity is generated in the belt portion due to friction and separation between the belt portion and the charging member. Dust collected by a carpet or the like or dust having a large specific gravity or volume can be collected by scraping dust with a blade, and can be cleaned on various types of dust and floor surfaces.

Further, the power consumption is small, the noise is low during operation, and the dust is not scattered by the exhaust air, so that cleaning can be performed without worrying about noise even at midnight, and even in the room for infants and the sick. We can clean without minding air pollution of room.

According to the invention described in claim 2, according to claim 1
In addition to the effect of (2), the brush and / or blade
It is formed of the same material as the belt part, and the brush and / or
Or, because the suction force due to static electricity also occurs on the blade,
Dust collection power is improved.

According to the invention described in claim 3, according to claim 1
In addition to the effect of (2), (3) the charging member is disposed inside the ring of the belt-shaped rotating body, so that the brush and / or the blade and the charging member do not interfere with each other, so that the belt portion is smoothly formed. Since the amount of static electricity generated by rotation is constant, the dust collecting ability can be stabilized.

(4) At least one of the charging members applies tension to the belt portion, and the belt portion is pressed against the driving roller with a constant force. A static electricity having a size of is generated, and the dust collecting ability can be stabilized.

According to the invention set forth in claim 4, according to claim 1
(5) In addition to the effect of any one of (3) to (3), since the belt portion is formed of a material containing a fluororesin which is easily charged to a negative polarity, it is generally difficult to scoop up, but Sand and dust, which are heavy solids that are easily sucked, can also be collected.

(6) The belt portion is formed of a material containing a fluorine resin, and the charging member is formed of a material containing a nylon. The combination of a fluorine resin and nylon has a large ability to generate static electricity. Dust properties can be further improved.

(7) Since the fluororesin has a self-lubricating property, the dust adsorbed on the belt portion can be easily peeled off, and the adsorbed dust can be reliably contained in the dust collecting portion. Scattering into the room can be prevented.

(8) Nylon is excellent in abrasion resistance.
Since scattering of the abrasion powder can be reduced, dust from the vacuum cleaner can be reduced, and the frequency of replacement of the charging member can be reduced.

According to the invention set forth in claim 5, claim 1 is provided.
In addition to the effects of any one of (4) to (4), (9) since the charging member is a rotatable charging roller having a roller shape, the charging member is connected to a portion where the advancing direction of the belt portion changes rapidly. , It is not necessary to increase the rotational torque so much, the driving force of the belt part can be reduced,
The power mechanism can be reduced in size and energy can be saved. Further, the brush portion can be smoothly rotated, and noise can be reduced.

According to the invention set forth in claim 6, claim 1 is provided.
(10) In addition to the effect of any one of (5) to (5), (10) the belt portion has alternately thick portions and thin portions parallel to the longitudinal direction, and at least one of the driving rollers is a regular polygon. Because it has a configuration that is shaped, the belt part is strongly adhered to the driving roller, and the driving force can be efficiently transmitted to the belt part without performing complicated processing on the belt part,
Energy saving can be achieved.

Further, there is no noise generated due to slippage between the driving roller and the belt portion, noise can be reduced, and wear of the driving roller due to friction between the driving roller and the belt portion is small. It is possible to reduce the frequency of replacement of the roller and the belt.

According to the invention of claim 7, according to claim 6,
In addition to the effect (11), since the brush is implanted in the thick portion, it is easy to implant the brush in the belt portion, and the production cost associated with this can be reduced.

According to the invention of claim 8, according to claim 6,
In addition to the effect of (12), since the thick section has a substantially C-shaped cross-section and the brush member is removably inserted into the substantially C-shaped hollow portion, only the brush member whose brush is worn is used. Can be replaced, and the time and cost required for the replacement can be reduced.

According to the ninth aspect of the present invention, the fifth aspect is provided.
(13) In addition to the effect of any one of (8) to (8), since the rotation speed of the driving roller is different from the rotation speed of the charging roller, the frictional force between the belt portion and the charging roller is increased. The generated static electricity increases, and the dust collecting property can be improved.

According to the tenth aspect, in addition to the effect of any one of the fifth to ninth aspects, (14)
Since the driving roller rotates in the opposite direction to the charging roller, static electricity generated due to an increase in the frictional force between the belt portion and the charging roller increases, and dust collection can be improved.

According to the eleventh aspect, in addition to the effect of the ninth aspect, (15) the driving roller rotates in the same direction as the charging roller and rotates faster than the charging roller. The static electricity generated by the frictional force between the belt and the charging roller increases, and the dust collection property can be improved, and the belt is damaged by applying excessive tensile stress to the belt. Can be prevented.

According to the twelfth aspect, in addition to the effect of any one of the first to eleventh aspects, (1)
6) Since the belt-shaped rotator has one or more static elimination units, by removing static from the belt unit, dust adhered to the surface of the belt unit can be reliably introduced into the dust collection unit, and a dust chamber Can be prevented, the long-term contamination of the belt portion can be reduced, and the frequency of maintenance of the belt portion can be reduced.

According to the thirteenth aspect of the present invention, in addition to the effect of the twelfth aspect, (17) Since the static eliminator is electrically connected to the charging member, a dedicated component for discharging is used. Without the charge, the electrostatic charge removed can be neutralized in the belt-shaped rotating body, and the number of parts of the cleaner can be reduced.

According to the fourteenth aspect, in addition to the effect of any one of the first to thirteenth aspects, (1)
8) Since it has a sensor unit for detecting temperature and / or humidity and a control unit for controlling a power mechanism in response to a signal from the sensor unit, it is possible to control the number of rotations according to temperature and humidity. The magnitude of the generated static electricity can be made constant, and a stable dust collecting force can be obtained.

(19) Since the optimum number of rotations of the belt-shaped rotator is set according to the temperature and humidity, it is not necessary to allow for a sufficient number of rotations of the belt-shaped rotator. And running costs can be reduced.

According to the fifteenth aspect of the present invention, in addition to the effect of the fourteenth aspect, (20) the control unit causes the power mechanism to increase the rotation speed with the rise in temperature and / or humidity. Since the signal is transmitted, even at the time of high temperature and high humidity where the generated static electricity is small, the static electricity can be prevented from lowering and a stable dust collecting force can be obtained.

According to the sixteenth aspect, in addition to the effect of any one of the first to fifteenth aspects, (2)
1) Since it has a power storage unit that supplies power for driving the power mechanism, there is no need to plug the power cord into the outlet when cleaning, and there is no need to change the outlet when moving from room to room. , Cleaning workability can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of an essential part of an electrostatic vacuum cleaner according to Embodiment 1 of the present invention.

FIG. 2 is a sectional view of an essential part of an electrostatic vacuum cleaner according to Embodiment 2 of the present invention.

FIG. 3 is a sectional view of an essential part of an electrostatic vacuum cleaner according to a third embodiment of the present invention.

FIG. 4 is an enlarged sectional view of an essential part showing an example of a mode in which a brush is implanted on a belt portion of an electrostatic vacuum cleaner according to Embodiment 3 of the present invention.

FIG. 5 is a sectional view of a main part of a conventional electrostatic vacuum cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor surface 2 Dust 3 Casing of electrostatic cleaner 4 Dust intake 5 Belt-shaped rotating body 6 Belt part 7 Brush 8, 26 Driving roller 9 Auxiliary roller 10, 32 Motor (drive source) 11 Timing belt 12 Charging member 13 Dust collecting unit 14 Power storage unit 15 Start switch 16 Handle mounting member 17 Handle 18 Roller 19 Charging roller 20 Tensioner 21, 22 Static elimination unit 23 Temperature sensor 24 Humidity sensor 25 Controller 27 Brush member 28 Thick portion of belt portion 29 Suction cover 30 brush 31 friction plate

Claims (16)

[Claims] 1. An electrostatic vacuum cleaner having a dust inlet for taking in dust and a dust collecting part for containing the dust, wherein the belt is provided in the inlet, and is formed of an insulating material. A belt-shaped rotating body having a brush and / or a blade mounted on a surface thereof; and one or more driving rollers disposed inside a ring of the belt-shaped rotating body for rotating the belt portion; A power mechanism for driving at least one of the driving rollers, and one or more charging members formed of an insulator material different from the insulator material and disposed in pressure contact with the belt portion. Characteristic electrostatic vacuum cleaner. 2. The electrostatic vacuum cleaner according to claim 1, wherein the brush and / or the blade are formed of a material of the same quality as the belt portion. 3. The charging member is disposed inside a ring of the belt-shaped rotator, and at least one of the charging members is provided.
The electrostatic cleaner according to claim 1 or 2, wherein one of the belts applies tension to the belt portion. 4. The electrostatic device according to claim 1, wherein said belt portion is formed of a material containing a fluorine resin, and said charging member is formed of a material containing nylon. Vacuum cleaner. 5. The electrostatic vacuum cleaner according to claim 1, wherein said charging member is a rotatable charging roller having a roller shape. 6. The thick part according to claim 6, wherein the belt part has thick and thin parts alternately parallel to the longitudinal direction, at least one of the driving rollers has a regular polygonal cross section. The electrostatic cleaner according to any one of claims 1 to 5, wherein the sum of the width of the thin portion and the width of the thin portion is substantially equal to one side of the regular polygonal driving roller. 7. The electrostatic vacuum cleaner according to claim 6, wherein a brush is implanted in the thick portion. 8. A thick member having a substantially C-shaped cross-section, a brush member having a brush planted on a base material is removably inserted into the substantially C-shaped hollow portion, and The electrostatic vacuum cleaner according to any one of claims 1 to 4, wherein the substantially C-shaped cutout portion is inserted. 9. The driving roller, the charging roller, and the power mechanism are connected so that the number of rotations of the driving roller is different from the number of rotations of the charging roller. Item 9. The electrostatic vacuum cleaner according to any one of items 5 to 8. 10. The driving roller, the charging roller, and the power mechanism are connected so that the driving roller rotates in a direction opposite to the charging roller. The electrostatic vacuum cleaner according to any one of claims 5 to 8. 11. The driving roller, the charging roller and the power mechanism are connected so that the driving roller rotates in the same direction as the charging roller and rotates faster than the charging roller. The electrostatic vacuum cleaner according to claim 9, wherein: 12. The electrostatic vacuum cleaner according to claim 1, wherein the belt-shaped rotating body has one or more charge removing portions for removing charge from the belt portion. . 13. An electrostatic vacuum cleaner according to claim 12, wherein said static eliminator is electrically connected to said charging member. 14. A system according to claim 1, further comprising a sensor for detecting temperature and / or humidity, and a controller for controlling said power mechanism in response to a signal from said sensor.
4. The electrostatic vacuum cleaner according to claim 1. 15. The electrostatic vacuum cleaner according to claim 14, wherein the control unit sends a signal for increasing the number of revolutions to the power mechanism as the temperature and / or humidity increases. . 16. The electrostatic vacuum cleaner according to claim 1, further comprising a power storage unit for driving the power mechanism.