CN103300793A

CN103300793A - Suction port body for electric cleaner and electric cleaner having the same

Info

Publication number: CN103300793A
Application number: CN2013100790918A
Authority: CN
Inventors: 市野雄之
Original assignee: Toshiba Corp; Toshiba Consumer Electronics Holdings Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2012-03-15
Filing date: 2013-03-13
Publication date: 2013-09-18
Anticipated expiration: 2033-03-13
Also published as: CN103300793B; JP5872339B2; KR101411712B1; KR20130105477A; JP2013188444A

Abstract

The invention provides a suction port body for an electric cleaner to prevent upsizing and to reliably deliver produced ions to outside, and an electric cleaner having the same. The suction port body (floor brush) comprises a housing (31) which has a suction port (47). The floor brush (23) possesses a rotation brush (49) which is configured in a rotation mode and faces to the suction port (47) of the housing (31). An electromotor (61) is positioned within the housing (31) of the floor brush (23) to drive the rotation brush (49) to rotate. An ion generator (85) is positioned within the housing (31) of the floor brush. A fan (66) is also arranged within the housing (31) of the floor brush (31), and the fan (66) rotates through the electromotor (61) and sends the ions produced by the ion generator to the outside.

Description

The section port body of electric dust collector and possess the electric dust collector of this section port body

Technical field

Embodiments of the present invention relate to the section port body of electric dust collector and possess the electric dust collector of this section port body, and this electric dust collector has the housing that possesses suction inlet.

Background technology

In the past, for example the Horizontal electronic dust catcher was standby: main body of dust collector, hold electric blower; Hose body is connected with this main body of dust collector; Extension tube is connected with this hose body; And floor cleaner brush, as the section port body that is connected with this extension tube.

And, constitute: suck dust together with air by the driving of electric blower from the front end of floor cleaner brush, and dust is trapped in the dust collecting part that is disposed at main body of dust collector.

And, in such electric dust collector, following electric dust collector is arranged: in order to prevent the floating of deodorization or the charged dust that causes and to adhere to etc., in main body of dust collector, possess the ion generator for generation of anion, and possess for the anion that will produce and send to airborne Air Blast fan.

Patent documentation 1: TOHKEMY 2008-188422 communique

Patent documentation 2: TOHKEMY 2011-167276 communique

But if make floor cleaner brush advance before and after on the ground and clean, owing to the static that the friction on floor cleaner brush and ground etc. generates, dust easily adheres on the ground.Therefore, can expect following method, above-mentioned ion generator is equipped on floor cleaner brush, thus by the anion that produces with the dust charge neutrality, prevent dust adhering to earthward.

Yet, in floor cleaner brush, be not easy to obtain fully to configure the space of Air Blast fan, namely allow to configure Air Blast fan, the problem that also has floor cleaner brush to maximize.

The problem to be solved in the present invention is, the section port body of the electric dust collector that can prevent from maximizing and the ion that produces is sent reliably and the electric dust collector that possesses this section port body are provided.

The section port body of the electric dust collector of embodiment has: housing possesses suction inlet; Rotary cleaning body is towards the suction inlet of this housing and rotatably configuration; Driving mechanism is disposed at this housing, makes aforementioned rotary cleaning body rotation; Ion generator is disposed at aforementioned housing; And fan, be disposed at this housing, by aforementioned driving mechanism rotation, will be from the ion discharge of aforementioned ion generator generation.

In addition, the electric dust collector of embodiment possesses: main body of dust collector, hold electric blower; And aforementioned section port body, be communicated with the suction side of aforementioned electric blower.

Thus, can provide and to prevent from maximizing and the ion that produces is sent reliably to the section port body of the electric dust collector of outside and the electric dust collector that possesses this section port body.

The specific embodiment

Below, with reference to Fig. 2 to Fig. 5, the formation of an embodiment is described.

In Fig. 5, the so-called Horizontal electronic dust catcher of 11 expressions, this electric dust collector 11 has main body of dust collector 12 and pipe section 13, and pipe section 13 is the wind path organizators that releasably are connected with this main body of dust collector 12.

Main body of dust collector 12 can rotate on the ground as swept surface and advance, and possesses: electric blower 18; Not shown main body control section controls the action of this electric blower 18; And not shown dust collecting part, hold for to power supply units such as drum (cord reel) device of the power supply such as these electric blowers 18 and main body control section or secondary cells etc., and be communicated with in the suction side of electric blower 18.

In addition, in the front portion of main body of dust collector 12, opening is formed with main body suction inlet 19, and this main body suction inlet 19 is communicated with dust collecting part, and is connected with the base end side of pipe section 13.

In addition, pipe section 13 possesses: hose body 21; Extension tube 22 for example is synthetic resin system, can load and unload with respect to this hose body 21; And as the floor cleaner brush 23 of section port body, can load and unload with respect to this extension tube 22.

Hose body 21 has: flexible pipe section 25 has flexible; Tube connector section 26 is located at the base end side (downstream) of this flexible pipe section 25, is connected with main body suction inlet 19; And hand operated section 27, be located at the front (upstream side) of flexible pipe section 25.

The base end side of extension tube 22 (downstream) releasably is connected with hand operated section 27.In addition, in this hand operated section 27, be formed with highlightedly the handle part 28 of controlling for the user to base end side, dispose at this handle part 28 and set button 29, this sets the pattern that button 29 is used for setting to main body control section electric blower 18.

These are set buttons 29 and are installed on the electrical part, and this electrical part has the not shown substrate that is contained in the hand operated section 27 etc.

In addition, as shown in Figures 1 to 4, floor cleaner brush 23 possesses: housing 31 forms left and right sides width lengthwise shape, is rectangle; And tube connector 32, rotatably be connected to the rear portion of this housing 31, and releasably be connected to extension tube 22(Fig. 5) front (upstream side).

Housing 31 is such as by will being formed by a plurality of case members combination of the shapings such as synthetic resin, and in the front portion of the inside of this housing 31, the suction chamber 41 that is communicated with the upstream side (front) of tube connector 32 is divided and forms left and right sides width lengthwise shape.

At the rear of this suction chamber 41 and the both sides of tube connector 32, division is formed with drive chamber 42 and control room 43, side in drive chamber 42, on fore-and-aft direction, divide with the lengthwise shape and be formed with transfer chamber 44, and above the central portion of the left and right sides of suction chamber 41 width, divide and be formed with ion generating chamber 45.

And at two side lower parts of the front (upstream is distolateral) of the tube connector 32 of this housing 31, a plurality of wheels 46 are disposed in rotation freely, by these wheels 46, and housing 31(floor cleaner brush 23) can be along the movements such as fore-and-aft direction (advancing) on swept surface.In addition, below, fore-and-aft direction and left and right directions are take the direct of travel of floor cleaner brush 23 as benchmark.

In suction chamber 41, the suction inlet 47 of the bottom by being formed at housing 31, bottom and housing 31(floor cleaner brush 23) the outside be communicated with.In addition, in this suction chamber 41, the

suction port

48,48 on the top by being formed at housing 31, top and housing 31(floor cleaner brush 23) the outside be communicated with.

In addition, the rotating brush 49 as rotary cleaning body rotatably is disposed at this suction chamber 41.

Suction inlet 47 is by by electric blower 18(Fig. 5) the negative pressure that produces of driving, suck dust on the swept surface with air, the bottom integral body that spreads all over suction chamber 41 forms rectangle.

In addition, each suction port 48 is by by electric blower 18(Fig. 5) the negative pressure that produces of driving, suck with air and to be positioned at floor cleaner brush 23(housing 31) the airborne dust etc. of top, lengthwise dimension forms than 1/2 of the lengthwise dimension of suction inlet 47 less lengthwise shape, is formed near the position at the rear portion of the fore-and-aft direction of suction chamber 41 and opening upward.

Therefore, each suction port 48 is communicated with suction inlet 47 via suction chamber 41.In addition, each suction port 48 is reduced to more than the necessary degree to avoid the vacuums in the suction chamber 41 with slit-shaped opening a little.

In addition, rotating brush 49 possesses the roughly bearing portion 52 cylindraceous, 52 as board of the axial region 51 that forms the lengthwise shape and the both ends that are pressed into this axial region 51, and towards suction inlet 47.

Axial region 51 is also referred to as the rotating brush assembly, such as forming roughly cylindric by the metals such as aluminium or synthetic resin etc., outstanding not shown rotating shaft inserts and connects bearing portion 52 from both ends, and outstanding to the outside of these bearing portions 52, supported by the rotatable earth's axis of the not shown bearing that is fixed in housing 31.

In addition, in the periphery of this axial region 51, spread all between the two ends, along circumferentially being formed with a plurality of slot parts 56, in addition, the base end side of cleaning part 57 is installed on these slot parts 56.

Each slot part 56 forms helical form each other almost parallel around axial region 51, for example the end to end from axial region 51 reverses 360 °.

In addition, each cleaning part 57 possesses for example a plurality of hairbrush 57a with the wall shape, and this hairbrush 57a is installed on the axial region 51 to become spiral helicine mode.In addition, the front of the hairbrush 57a of each cleaning part 57 is outstanding to outside (below) from suction inlet 47.

In addition, drive chamber 42 is with respect to suction chamber 41 airtight or in fact airtightly isolation.In addition, in this drive chamber 42, take in as the motor 61 that makes the driving mechanism of rotating brush 49 rotary actuations.

This motor 61 has: motor body 63, for such as the driving mechanism main body of cylindric grade roughly; And rotating shaft 64, outstanding from the two ends of this motor body 63, one distolateral (being the right side of motor 61 in Fig. 1) at rotating shaft 64 is equipped with the belt wheel 65 as rotary body, another distolateral (being the left side of motor 61 in Fig. 1) of rotating shaft 64 fan 66 is installed.

In addition, this drive chamber 42 is via the open communication 67 and floor cleaner brush 23(housing 31 at the rear portion that is formed at housing 31) the outside of rear side be communicated with, and be communicated with ion generating chamber 45 via the wind path section 68 on the top that extends to suction chamber 41.

And motor 61 is maintained in the drive chamber 42 via a side of the periphery that is installed on motor body 63 and the opposing party's supporter 71,72.In addition, in the present embodiment, this motor 61 for example with approximately 5000 rev/mins driven.

One side's supporter 71 forms tubular such as the parts that had elasticity (flexible) and aeration by sponge etc., motor body 63 with motor 61(motor 61) near the periphery the axial central portion remains on interior all sides of supporter 71, and the outer circumferential side of supporter 71 is maintained at the inner surface of drive chamber 42.

The opposing party's supporter 72 forms tubular such as the parts that had elasticity (flexible) by rubber or elastomer etc., the periphery of an axial end (left side) the side motor body 63 with motor 61(motor 61) remains on interior all sides of supporter 72, and the outer circumferential side of supporter 72 is by the inner surface of airtightly pressure welding in drive chamber 42.

So the opposing party's supporter 72 is at the motor body 63 of motor 61(motor 61) periphery on, become the partition wall of separating drive chamber 42 along left and right sides width.

By these sides and the opposing party's

supporter

71,72, motor 61 is held to be fixed on the drive chamber 42 of housing 31(housing 31 with the state of vibrationproof) on.

Belt wheel 65 is positioned at an end (right side) side of rotating shaft 64, and highlightedly configuration in the transfer chamber 44, in the periphery of this belt wheel 65, and a side's of rotating brush 49 bearing portion 52 between, be wound with the synchronous belt 73 as connecting gear.

Therefore, constitute: rotating brush 49 rotations by the rotation of motor 61.

In addition, this motor 61 is powered from main body of dust collector 12 sides via tube connector 32, for example as follows driving is controlled: make rotating brush 49 towards the place ahead, be top from rear side forward the direction of side shifting (bottom is the direction of side shifting after the side direction in the past), in other words to floor cleaner brush 23(housing 31) the direction rotation that advances and assist.

Fan 66 is Air Blast fan (aerofoil fan), by the rotation of motor 61 via open communication 67 from floor cleaner brush 23(housing 31) the outside air amount (extraneous gas) of rear side, come the motor body 63 of cool motors 61(motor 61 by this air), and this air sent to ion generating chamber 45 via wind path section 68.

In addition, in the present embodiment, belt wheel 65 and fan 66 constitute along equidirectional and rotate with same rotational speed simultaneously, but such as being connected to fan 66 by the other end (left side) side with rotating shaft 64 via power transmission section such as gears, also can make the rotating speed of fan 66 at random different from belt wheel 65 with direction of rotation.

In open communication 67, in the installed inside of drive chamber 42 drive chamber's filter 75 is arranged.In addition, the periphery of the motor body 63 of motor 61 and this open communication 67 are relative and locate.

Extend to the inclined position shape ground of a side of ion generating chamber 45 position of tube connector 32 sides of wind path section 68 from drive chamber 42.In addition, this wind path section 68 forms: long-pendingly from 42 side direction ion generating chamber of drive chamber, 45 crosswind road surfaces enlarge gradually, GIA drive chamber 42 sides are upstream sides of the air sent by fan 66, and these ion generating chamber 45 sides are downstreams of air.

Control room 43 is communicated to suction chamber 41 via the open communication section 77 of the front portion that is formed at control room 43.This open communication section 77 is formed at the position (left side) that forms the opposite side in positions (right side) with the transfer chamber 44 of housing 31, and is relative with the opposing party's (left side) of rotating brush 49 bearing portion 52.

In this

open communication section

77,43 installed inside has control room filter 78 in the control room.In addition, 43 have interiorly taken in respectively in the control room: controlling organization 81, the driving of control motor 61 grades; And safety device 82, as detecting floor cleaner brush 23(housing 31) whether load in ground ground connection testing agency.

And this control room 43 is communicated with ion generating chamber 45 via the communication air duct section 83 on the top that extends to suction chamber 41.Therefore, this control room 43(is via communication air duct section 83 and ion generating chamber 45) be communicated with drive chamber 42.

Controlling organization 81 is such as microcomputer etc., is powered from main body of dust collector 12 sides via tube connector 32.In addition, this controlling organization 81 is electrically connected with motor 61 and safety device 82 etc.

Extend to the inclined position shape ground of the opposite side of ion generating chamber 45 position of communication air duct section 83 tube connector 32 sides of 43 from the control room.In addition, this communication air duct section 83 forms: long-pendingly from 43 crosswind road surfaces, ion generating chamber 45 side direction control rooms dwindle gradually, ion generating chamber 45 sides are upstream sides of the air sent by fan 66, and control room 43 sides are downstreams of air.

Ion generating chamber 45 is positioned at the top of central portion of the left and right sides width of suction chamber 41, with respect to suction chamber 41 airtight or in fact airtightly isolation.

In ion generating chamber 45, taken in ion generator 85.Ion generator 85 has electrode 85a, is electrically connected with controlling organization 81, comes control action by this controlling organization 81, and this electrode 85a produces for the ion I with the dust charge neutrality by for example corona discharge.

In addition, ion generating chamber 45 is communicated with the outside of housing 31 by a plurality of taps 86, these a plurality of taps 86 are towards the place ahead and at the central portion of the left and right sides width of the upside of housing 31, are between the

suction port

48,48, and the ion bleed hole that forms along fore-and-aft direction.

That is, by a plurality of taps 86, the ion I that is produced by ion generator 85 discharges to the place ahead of housing 31 is outside.

In addition, as long as can be with the dust charge neutrality, ion generator 85 also can produce any ion in anion, the cation, generally speaking, because the situation of dust lane positive electricity is many, thereby in the present embodiment, adopt the anion generator that produces anion.

The action of an above-mentioned embodiment then, is described.

To shown in Figure 5, when cleaning, the tube connector section 26 of hose body 21 is connected to the main body suction inlet 19 of main body of dust collector 12 such as Fig. 1, extension tube 22 is connected to the hand operated section 27 of hose body 21, the tube connector 32 of floor cleaner brush 23 is connected to extension tube 22.

As a result, floor cleaner brush 23 is connected with the suction side of electric blower 18 via extension tube 22, hose body 21, main body suction inlet 19 and dust collecting part.

After becoming the state that to power by power supply unit, the user operates by the setting button 29 to the expectation of handle part 28, make electric blower 18 with the pattern starting of expectation via main body control section, and controlling organization 81 drives ion generator 85 and corona discharge by electrode 85a produces ion I.

In addition, driving by electric blower 18, negative pressure is had an effect to dust collecting part, main body suction inlet 19, hose body 21, extension tube 22 and floor cleaner brush 23 successively, and, the ion I that is produced by ion generator 85 is full of in the ion generating chamber 45, and its part is from tap 86 to housing 31(floor cleaner brush 23) the outside, be that extraneous gas is discharged.

The ion I that discharges will be attached to the dust charge neutrality of the outer surface of ground and housing 31 etc., and thus, these dust are difficult to because of the charged outer surface that is attached to ground and housing 31 etc.

In addition, the user loads floor cleaner brush 23 on swept surface and advances before and after making it, thus, sucks dust together with air from suction inlet 47, and, with the dust of air from

suction port

48,48 air amounts and the ion I that is produced by ion generator 85.

Be inhaled into dust collecting part together with the dust of air intake via tube connector 32, extension tube 22, hose body 21, main body suction inlet 19 from floor cleaner brush 23.At this moment, the ion I by sucking is attached to the dust of the each several parts such as rotating brush 49, tube connector 32, extension tube 22, hose body 21 and main body suction inlet 19 by charge neutrality, and thus, fine dust (thin dirt) easily peels off.

Dust and the air separation of suction dust collecting part also is captured, and the air that separates with dust will become exhaust wind after electric blower 18 coolings being inhaled into electric blower 18, discharge to the outside of main body of dust collector 12.

In addition, in when cleaning, be that the situation of timber floor is inferior in the kind of swept surface for example, operate and make rotating brush 49 rotary actuations setting button 29 as required.

Particularly, when via controlling organization 81 motor 61 being driven, be connected to rotating brush 49 forwards rotation in suction chamber 41 of belt wheel 65 via synchronous belt 73, distolateral a connection of this belt wheel 65 and the rotating shaft 64 of motor 61.In addition, by the driving of motor 61, with another the distolateral fan that is connected 66 rotations of rotating shaft 64.

Rotating brush 49 is removed the dust on ground by each hairbrush 57a of each cleaning part 57.In addition, fan 66 produces negative pressure by rotation, from open communication 67 suction casing 31(floor cleaner brushes 23) outside air.

The air that sucks blows to the motor body 63 of motor 61(motor 61 via drive chamber's filter 75), with the motor body 63 of this motor 61(motor 61) cool off, and sent into ion generating chamber 45 via wind path section 68 by fan 66.

Therefore, by this air of sending into, be full of that ion I air in this ion generating chamber 45 in this ion generating chamber 45 are forced to and constantly from tap 86 to housing 31(floor cleaner brush 23) the outside send.

In addition, the part of the ion I in the ion generating chamber 45 43 is sent into and is full of in the control room 43 to the control room via communication air duct section 83, suppresses dust and is attached to controlling organization 81 and safety device 82 etc.

Then, pass control room filter 78 from open communication section 77 to suction chamber 41 send after, the negative pressure that generates by the driving by electric blower 18 flows at suction chamber 41 interior tube connectors 32 along longitudinally to central portion.

At this moment, ion I will be attached to the dust charge neutrality of inwall and the rotating brush 49 of suction chamber 41, easily will be attached to the inwall of these suction chambers 41 and the dust of rotating brush 49 and peel off.

In addition, the part of ion I with the extraneous gas of air in

suction port

48,48 is drawn into suction chamber 41, rotation along with rotating brush 49, in suction chamber 41 from the rear of rotating brush 49 via above and the place ahead transported to the rear, bottom, to be attached to the dust charge neutrality of suction chamber 41 and rotating brush 49 and easily peel off from inwall and the rotating brush 49 of suction chamber 41, then flow to tube connector 32.

When cleaning finishes, operate and via main body control section electric blower 18 is stopped setting button 29, and via controlling organization 81 ion generator 85 is stopped.In addition, in the situation that motor 61(rotating brush 49 and fan 66) drive, controlling organization 81 also makes motor 61(rotating brush 49 and fan 66) stop.

According to an embodiment described above, by making the motor 61 of rotating brush 49 rotations of being located at floor cleaner brush 23, be used in fan 66 rotations that ion I that ion generator 85 is produced sends, thus, need to not be used for making in housing 31 interior other configurations the motor etc. of fan 66 rotations, so can not make floor cleaner brush 23(housing 31) maximize, and the ion I that produces can be sent reliably.

Particularly, when making rotating brush 49 rotary actuation by motor 61, owing to the hairbrush 57a of each each cleaning part 57 of cleaning part 57() easily producing static on ground and cleaning part 57 with the friction on ground, so by with ion I from ion generating chamber 45 to housing 31(floor cleaner brush 23) the outside send, can effectively neutralize because the static that the rotary actuation of rotating brush 49 produces by ion I, this ion I produced from ion generator 85 in the time that is made these rotating brush 49 rotary actuations by motor 61.

And the air that utilizes the rotation owing to fan 66 to suck comes the motor body 63 of cool motors 61(motor 61), thereby can suppress reliably with simple formation the Efficiency Decreasing that heating was caused of motor 61.

Particularly, the rotating brush 49 that is used for electric dust collector 11 is driven with common about 5000 rev/mins High Rotation Speed by motor 61, therefore, make fan 66 rotations by the rotation that utilizes this motor 61, can guarantee fully to send ion I and the air-flow of cool motors 61.

In addition, utilize the air of sending into to ion generating chamber 45 owing to the rotation of fan 66, the part of the ion I that will be produced by ion generator 85 is sent into the dust charge neutrality to the inside (being in the present embodiment control room 43) of housing 31, thus, even such as by the negative pressure that produced by the driving of electric blower 18 etc. and dust (fine dirt) is inhaled in the situation of control room 43 interior grades from the narrower gap of housing 31 etc., also can suppress controlling organization 81 and the adhering to of safety device 82 etc. of dust (fine dirt) in this control room 43.

And, by open communication section 77 control room 43 and suction chamber 41 is communicated with, thus, the ion I that sends into control room 43 41 can be sent reliably from open communication section 77 to suction chamber.

And, by this open communication section 77 being configured in a side that forms position opposite with the transfer chamber 44 of suction chamber 41, thereby when the ion I suction chamber 41 in is inhaled past tube connector 32 by the negative pressure that is produced by the driving of electric blower 18, this ion I is played a role with comparing in wider scope with rotating brush 49 along suction chamber 41.

In addition, in an above-mentioned embodiment, also can constitute: the various wind paths that will be communicated to drive chamber 42 are formed in the housing 31, thereby by fan 66 ion I are sent desired site to the housing 31.

In addition, as dust catcher 11, be not limited to horizontal, such as the bottom of the main body of dust collector 12 that floor cleaner brush 23 is connected to above-below direction lengthwise shape vertical, floor cleaner brush 23 etc. is connected directly to main body of dust collector 12 and move this main body of dust collector 12 and clean portable etc. also can tackle use.

In addition, although understand an embodiment of the invention, but this embodiment is not intended to limit scope of invention as the example proposition.This novel embodiment can be implemented with other variety of way, in the scope that does not break away from the invention main idea, can carry out various omissions, displacement, change.This embodiment or its modification are included in scope of invention or the main idea, and are included in the invention that claims put down in writing and in the scope that is equal to.

Description of drawings

Fig. 1 is the top view of the state after the upside of the section port body of the electric dust collector of an embodiment is opened in expression.

Fig. 2 be along the I-I line of Fig. 4 of this section port body to looking sectional view.

Fig. 3 be along the II-II line of Fig. 4 of this section port body to looking sectional view.

Fig. 4 is the stereogram that represents this section port body from the place ahead.

Fig. 5 is the stereogram that expression possesses the electric dust collector of this section port body.

Symbol description: 11 electric dust collectors; 12 main body of dust collector; 18 electric blowers; 23 floor cleaner brushes as section port body; 31 housings; 47 suction inlets; 49 rotating brushes as rotary cleaning body; 61 motor as driving mechanism; 66 fans; 85 ion generators

Claims

1. the section port body of an electric dust collector is characterized in that, possesses:

Housing possesses suction inlet;

Rotary cleaning body is towards the described suction inlet of this housing and rotatably configuration;

Driving mechanism is disposed at described housing, makes described rotary cleaning body rotation;

Ion generator is disposed at described housing; And

Fan is disposed at described housing, by described driving mechanism rotation, and will be from the ion discharge of described ion generator generation.

2. the section port body of electric dust collector according to claim 1 is characterized in that,

Cool off described driving mechanism by the rotation of described fan.

3. the section port body of electric dust collector according to claim 1 and 2 is characterized in that,

The part of the ion that described fan will produce from described ion generator is sent into the inside of described housing.

4. electric dust collector is characterized in that possessing:

Main body of dust collector holds electric blower; And

The section port body of claim 1 or 2 described electric dust collectors is communicated with the suction side of described electric blower.

5. electric dust collector is characterized in that possessing:

Main body of dust collector holds electric blower; And

The section port body of electric dust collector claimed in claim 3 is communicated with the suction side of described electric blower.