CN101617929A - Cyclone separation device - Google Patents
Cyclone separation device Download PDFInfo
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- CN101617929A CN101617929A CN200910159465A CN200910159465A CN101617929A CN 101617929 A CN101617929 A CN 101617929A CN 200910159465 A CN200910159465 A CN 200910159465A CN 200910159465 A CN200910159465 A CN 200910159465A CN 101617929 A CN101617929 A CN 101617929A
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Abstract
A cyclone separation device obtains a rotary resistance of a compression member rotating in a catching container in an indirect mode accurately according to a current value of a rotary drive device of the compression member, and can protect the rotary drive device of the compression member from an infection of overloading. The catching container is provided with a rotatable compression member inside, a part of the inner circumference surface of the catching container is provided with a rotation restraining device for restraining the rotation of an object to be caught, and the cyclone separation device is controlled according to a detection result of the current of the compression member drive device for driving the compression member to rotate around a vertical central shaft.
Description
Technical field
The present invention relates to the cyclone separator that a kind of centrifugation captures object, relate in particular to the amount of the capture objects such as dust that detection exactly is captured, the cyclone separator that can move safely.
Background technology
In the past, example as cyclone separator, known have patent documentation 1 a disclosed cyclone dust collecting unit, it is by discharging the air in the above-mentioned trap receptacle from being arranged on roughly the exhaust portion of the central part of trap receptacle cylindraceous, air suction portion inhaled air from the circumferential part that is arranged on above-mentioned trap receptacle is rotated at the inner peripheral surface along above-mentioned trap receptacle after discharged from above-mentioned exhaust portion by filter, capture the bigger dust that contains in the above-mentioned air in the bottom of above-mentioned trap receptacle, and in above-mentioned filter, capture smaller dust.
This cyclone dust collecting unit rotates by making bigger dust, utilizes centrifugal force that it is captured, and makes air flow stream cross filter to capture and follow the smaller dust that air-flow flies upward, and therefore, noise is few, and dust catching efficiency also is improved.
When average family used above-mentioned cyclone dust collecting unit, the cotton dirt that cushion and clothes produce can account for the major part of control of dust rubbish volume.The fiber etc. that constitutes this cotton dirt himself has elasticity, so the density of dust is less but volume is bigger, and trap receptacle is very fast just to be assembled fullly, therefore, needs continually it is removed (outwelling) from dust collecting part.In addition, such dust gentlier and easily disperses, and therefore, when dustbin of outside etc. is toppled over, dust is kicked up and dispersed once more, and the user feels under the weather.
Yet, the cyclone dust collecting unit of above-mentioned patent documentation 1 record after all just by air flow trap dust, therefore the low-density dust such as above-mentioned fiber that become trapped in can only be compressed to a certain extent, the concentration degree of the dust in the limited dust arrestment space can't be improved largely.Therefore, can't address the problem: if do not outwell the dust that become trapped in continually, arresting efficiency just can descend, thereby need take time and outwell dust, perhaps, when outwelling dust, dust is not tightly compressed and is disperseed in air easily, when dustbin etc. was toppled over, dust was kicked up and is dispersed once more, and the people is felt under the weather.
In order to address the above problem, the dust that needs compression as far as possible tightly to become trapped in.The applicant has submitted the patent application (the special 2008-072942 of hope of Japan Patent) of the cyclone separator of compression set such, that comprise dust to.This cyclone separator comprises that inner peripheral surface is trap receptacle roughly cylindraceous, by making the air inflow aperture inhaled air that upwards is provided with in week from the circumferential part of this trap receptacle after rotating along above-mentioned inner peripheral surface roughly cylindraceous, discharge via filter from the central part of above-mentioned trap receptacle, capture the bigger capture object that contains in the above-mentioned air in the bottom of above-mentioned trap receptacle, and in above-mentioned filter, capture smaller capture object, in addition, in above-mentioned trap receptacle, comprise compression member, it is the helical form curved surface at center that this compression member has with the vertical center axis of trap receptacle, and can be around above-mentioned vertical center axis rotation.
In this cyclone separator, is that the center is rotated by above-mentioned compression member with above-mentioned vertical center axis, and capture objects such as the dust that become trapped in are tightly compressed by the lower surface of above-mentioned helical form curved surface, therefore, dust needn't be outwelled repeatedly, the time of outwelling dust can be saved.
In addition, can address the problem: when outwelling dust, dust disperses in air, and when dustbin etc. was toppled over, dust was kicked up and dispersed once more, and the people is felt under the weather; Can the more advantage of performance.
Patent documentation 1: the Japan Patent spy opens the 2006-75584 communique
Like this, the disclosed cyclone separator of specification of above-mentioned patent application (the special hope of Japan Patent 2008-072942) can be brought into play good function, but as mentioned above, because dust is tightly compressed, therefore in case the amount of the dust that become trapped in acquires a certain degree abovely, the rotation of compression member just needs to consume considerable electric weight.In addition, if then proceed the rotation of compression member, the resistance of then tight hard dust can cause making the load of the compression member driving units such as motor of compression member rotation to increase, and no matter is that the overload aspect of power consumption aspect or motor is all undesirable.
Therefore, the overload that comparatively it is desirable to detect above-mentioned motor etc. makes processing such as motor stops, but cause overload with regard to preventing with regard to the aspects such as life-span that prolong motor to motor in the reality, comparatively it is desirable to before electromotor overload, take to prior counter-measures such as the user give the alarm.
In addition, handle comparatively desirablely to give the alarm to the user etc., in trap receptacle, be uneven distribution, therefore be difficult to simply and exactly measure its amount owing to capture the amount of thing though before electromotor overload, take to detect the amount of the capture thing of essence.
Therefore, inventor of the present invention has made positive effort, found that, has technical relation between the amount of motor current and capture object, can detect the amount that captures thing exactly with indirect mode thus.
Summary of the invention
The present invention In view of the foregoing does; purpose is to provide a kind of cyclone separator; it draws the burden of the capture object of the rotational resistance that becomes above-mentioned compression member according to the current value of the rotating driving device of compression member exactly with indirect mode, the influence that can protect the rotating driving device of compression member to avoid transshipping.
To achieve these goals, the cyclone separator of the invention that present patent application is related comprises that inner peripheral surface is trap receptacle roughly cylindraceous, by making the air inflow aperture inhaled air that upwards is provided with in week from the circumferential part of this trap receptacle after rotating along above-mentioned inner peripheral surface roughly cylindraceous, discharge via filter from the central part of above-mentioned trap receptacle, capture the bigger capture object that contains in the above-mentioned air in the bottom of above-mentioned trap receptacle, and in above-mentioned filter, capture smaller capture object, above-mentioned cyclone separator comprises: compression member, this compression member is positioned at above-mentioned trap receptacle, comprise that the vertical center axis with this trap receptacle is the helical form curved surface at center, and can be around above-mentioned vertical center axis rotation; The rotation restraining device, this rotation restraining device is arranged on the part of inner surface of above-mentioned trap receptacle, is pushed and desire rotation rotation, that accumulate in the capture object on the above-mentioned trap receptacle inner surface by this compression member when suppressing above-mentioned compression member rotation; Current sensing means, this current sensing means detects around the electric current of the compression member drive unit of above-mentioned vertical center axis rotation driving above-mentioned compression member; And control device, this control device is controlled this cyclone separator according to the testing result of the electric current of above-mentioned current sensing means.
As above-mentioned rotation restraining device, can adopt the coefficient of friction that makes relative capture object on the part of above-mentioned trap receptacle inner surface, to change, just become the structure of different coefficient of frictions with respect to other parts.
As comparatively desirable example, above-mentioned rotation restraining device specifically can be the sheet rubber that sticks on the part of above-mentioned trap receptacle inner surface, or is formed on concavo-convex on the inner surface of a part of above-mentioned trap receptacle inner surface.
Above-mentioned control device is inferred the amount of the dust that accumulates according to the testing result of above-mentioned current sensing means, gives the alarm before compression member drive unit overload.For example, it is desirable to comparatively to comprise that storage is as the dependent thresholds of the current value of compression member drive unit and the current value storage device of predetermined first threshold, when the current detecting result of above-mentioned current sensing means surpassed the above-mentioned first threshold of storing in the above-mentioned current value storage device, above-mentioned control device gave the alarm to the user.
In addition, if the current value storage device also stores second threshold value bigger than above-mentioned first threshold in advance, when the current detecting result of above-mentioned current sensing means surpasses above-mentioned second threshold value, above-mentioned control device gives the alarm to the user and stops the operation of this cyclone separator, then can prevent the overload of compression member drive unit fully.
As the testing result of above-mentioned electric current, above-mentioned first threshold and above-mentioned second threshold value, can adopt value based on the difference of the maximum of periodically variable electric current and minimum of a value.
In addition, as the testing result of above-mentioned electric current, above-mentioned first threshold and above-mentioned second threshold value, also can adopt value based on the cycle between the peak value of periodically variable electric current.
In addition, the testing result of above-mentioned electric current, above-mentioned first threshold and above-mentioned second threshold value can also be based on the detection electric current mean value at the appointed time or the value of the mean value of detection electric current in one or more variable cycles of above-mentioned current sensing means.
As the concrete example of this cyclone separator, can exemplify and capture object is the cyclone dust collecting unit of dust.
As mentioned above, the cyclone separator of present patent application comprises that inner peripheral surface is trap receptacle roughly cylindraceous, by making the air inflow aperture inhaled air that upwards is provided with in week from the circumferential part of this trap receptacle after rotating along above-mentioned inner peripheral surface roughly cylindraceous, discharge via filter from the central part of above-mentioned trap receptacle, capture the bigger capture object that contains in the above-mentioned air in the bottom of above-mentioned trap receptacle, and in above-mentioned filter, capture smaller capture object, above-mentioned cyclone separator comprises: compression member, this compression member is positioned at above-mentioned trap receptacle, comprise that the vertical center axis with this trap receptacle is the helical form curved surface at center, and can be around above-mentioned vertical center axis rotation; The rotation restraining device, this rotation restraining device is arranged on the inner surface of above-mentioned trap receptacle, suppresses to be pushed and desire rotation that rotate, that accumulate in the capture object on the above-mentioned trap receptacle inner surface by this compression member in the rotation of above-mentioned compression member; Current sensing means, this current sensing means detects around the electric current of the compression member drive unit of above-mentioned vertical center axis rotation driving above-mentioned compression member; And control device, this control device is controlled this cyclone separator according to the testing result of the electric current of above-mentioned current sensing means.
Like this, in the present invention, used the trap receptacle that is provided with the rotation restraining device, this rotation restraining device is arranged on the part of inner surface of above-mentioned trap receptacle, suppress in the rotation of above-mentioned compression member to be pushed and the desire rotation by this compression member, accumulate in the rotation of the capture object on the above-mentioned trap receptacle inner surface, therefore, the dust that accumulates in the trap receptacle because of the compression unit of compression member of rotation is caught in the part of above-mentioned rotation restraining device, load increased when above-mentioned compression unit passed through this part, and the drive current of the motor of drive compression parts periodically increases.
The present invention catches this phenomenon, and the amount that accumulates in the dust in the trap receptacle is inferred in the variation of the compression member drive unit electric current that increases during according to the part that suppresses parts through above-mentioned rotation, can prevent the overload of compression member drive unit well.
Description of drawings
Fig. 1 is the outside drawing of the related electric dust collector X of embodiments of the present invention.
Fig. 2 is the in-built cutaway view of the cyclone dust collecting unit Y that is used to illustrate that embodiments of the present invention are related.
Fig. 3 is the in-built cutaway view of the cyclone dust collecting unit Y that is used to illustrate that embodiments of the present invention are related.
Fig. 4 is the figure (Fig. 4 (a) is the stereogram from beneath, and Fig. 4 (b) is the stereogram of observing from the top) that is used to illustrate the helical form rotation compression unit that is arranged on the related cyclone dust collecting unit Y of embodiments of the present invention.
Fig. 5 is used to illustrate the figure that is arranged on the top filter element 13 on the related cyclone dust collecting unit Y of embodiments of the present invention.
Fig. 6 is that being used for helical form rotation compression unit is the in-built cutaway view that the center illustrates the cyclone dust collecting unit Y that embodiments of the present invention are related.
Fig. 7 is the in-built exploded perspective view of the cyclone dust collecting unit Y that is used to illustrate that embodiments of the present invention are related.
Fig. 8 is the cutaway view that is used to illustrate the revolving force bang path of the helical form rotation compression unit that leads to the related cyclone dust collecting unit Y of embodiments of the present invention.
Fig. 9 is the rotation of explanation by helical form rotation compression unit, and dust is compressed, the cutaway view of the cyclone dust collecting unit Y of stacked situation.
Figure 10 is the dust collecting container cutaway view partly that is used to illustrate the installation site that rotates restraining device.
Figure 11 is the block diagram of the control device of the related cyclone dust collecting unit Y of expression embodiments of the present invention.
Figure 12 is the flow chart of treatment step of the control device of the related cyclone dust collecting unit Y of expression embodiments of the present invention.
Figure 13 is the curve map that the electric current of expression drive division changes.
(symbol description)
10 frameworks (separator main body)
11 dust collecting containers (trap receptacle)
12 inner cores
13 top filter elements
14 control of dust carriers
15 dedusting driving mechanisms
104 separation portions
105 dust collecting part
123 helical forms rotation compression unit
123a spire (compression unit)
The 123b shaft
220 control circuit portions
221 electric blowing machines
222 drive circuit portions
226 drive divisions
227 current detecting parts
The specific embodiment
Following with reference to accompanying drawing, embodiments of the present invention are described, to understand the present invention.In addition, the example that following embodiment is just specialized the present invention does not limit technical scope of the present invention.
Herein, Fig. 1 is the outside drawing of the related electric dust collector X of embodiments of the present invention, Fig. 2 and Fig. 3 are the in-built cutaway views of the cyclone dust collecting unit Y that is used to illustrate that embodiments of the present invention are related, Fig. 4 is used to illustrate that (Fig. 4 (a) is the stereogram from beneath for the figure of the helical form rotation compression unit that is arranged on the related cyclone dust collecting unit Y of embodiments of the present invention, Fig. 4 (b) is the stereogram of observing from the top), Fig. 5 is used to illustrate the figure that is arranged on the top filter element 13 on the related cyclone dust collecting unit Y of embodiments of the present invention, Fig. 6 is that being used for helical form rotation compression unit is the in-built cutaway view that the center illustrates the cyclone dust collecting unit Y that embodiments of the present invention are related, Fig. 7 is the in-built exploded perspective view of the cyclone dust collecting unit Y that is used to illustrate that embodiments of the present invention are related, Fig. 8 is the cutaway view that is used to illustrate the revolving force bang path of the helical form rotation compression unit that leads to the related cyclone dust collecting unit Y of embodiments of the present invention, Fig. 9 is the rotation of explanation by helical form rotation compression unit, dust is compressed, the cutaway view of the cyclone dust collecting unit Y of stacked situation, Figure 10 is the dust collecting container cutaway view partly that is used to illustrate the installation site that rotates restraining device, Figure 11 is the block diagram of the control device of the related cyclone dust collecting unit Y of expression embodiments of the present invention, Figure 12 is the flow chart of treatment step of the control device of the related cyclone dust collecting unit Y of expression embodiments of the present invention, and Figure 13 is the curve map that the electric current of expression drive division changes.
At first, use Fig. 1, the schematic configuration of the related electric dust collector X of embodiments of the present invention is described.
As shown in Figure 1, above-mentioned electric dust collector X roughly comprises: main body of dust collector portion 1, air inlet oral area 2, tube connector 3, connection flexible pipe 4, operating grip 5 etc.In above-mentioned main body of dust collector portion 1, be built-in with electric blowing machine 221, cyclone dust collecting unit Y, control device Z etc.In addition, above-mentioned cyclone dust collecting unit Y can be elaborated in the back.
Above-mentioned electric blowing machine 221 has the Air Blast fan of air-breathing usefulness and drives the air-supply drive motor of this Air Blast fan rotation.The details of above-mentioned control device Z can describe with reference to Figure 11 in the back, and control device Z has CPU and control appliances such as RAM, ROM, and above-mentioned electric dust collector X is controlled in the concentrated area.Particularly, in above-mentioned control device Z, above-mentioned CPU is according to the control program that is stored among the above-mentioned ROM, and execution comprises that the rotation as the compression member of object of the present invention is controlled at interior various processing.
In addition, aforesaid operations handle 5 is provided with the console switch (not shown) with the selection operation of operational mode etc. of whether starting that carries out above-mentioned electric dust collector X for the user.In addition, near this console switch, also be provided with the display parts such as LED (not shown) of the current state that shows above-mentioned electric dust collector X.
The above-mentioned connection flexible pipe 4 that above-mentioned main body of dust collector portion 1 is connected by the front end with this main body of dust collector portion 1 and be connected the above-mentioned tube connector 3 that flexible pipe 4 connects with this and be connected with above-mentioned air inlet oral area 2.
Therefore, in above-mentioned electric dust collector X,, carry out air-breathing from above-mentioned air inlet oral area 2 by making above-mentioned electric blowing machine 221 actions that are built in the above-mentioned main body of dust collector portion 1.In addition, flow into above-mentioned cyclone dust collecting unit Y via above-mentioned tube connector 3 with the above-mentioned flexible pipe 4 that is connected from above-mentioned air inlet oral area 2 inhaled airs.In above-mentioned cyclone dust collecting unit Y, the air centrifugation of dust from being inhaled into.In above-mentioned cyclone dust collecting unit Y, the air after the dust separation is discharged from the not shown exhaust outlet of the rear end that is arranged on above-mentioned main body of dust collector portion 1.
Below, with reference to Fig. 2～Fig. 6, the cyclone dust collecting unit Y as an example of cyclone dust collecting unit of the present invention is elaborated.Cyclone dust collecting unit is an example of the related cyclone separator of embodiments of the present invention, and the capture object of this moment is a dust.
As shown in Figures 2 and 3, above-mentioned cyclone dust collecting unit Y roughly comprises: framework 10; The dust collecting container 11 (example of trap receptacle) that inner peripheral surface is is roughly cylindric, can freely install and remove with respect to above-mentioned framework 10; Inner core 12; Top filter element 13; Dust carrier 14 and dedusting driving mechanism 15 etc.Dedusting driving mechanism 15 comprises as compression member driving units such as the motor described later of inscape of the present invention.
In above-mentioned cyclone dust collecting unit Y, above-mentioned dust collecting container 11, above-mentioned inner core 12, above-mentioned top filter element 13 and above-mentioned dust carrier 14 are the configuration of coaxial shape ground, center with vertical central shaft P.In addition, above-mentioned cyclone dust collecting unit Y can install and remove with respect to above-mentioned main body of dust collector portion 1.
Above-mentioned framework 10 comprises inner core 12, and this inner core 12 comprises filter 122.
In this cyclone dust collecting unit Y, by above-mentioned inner core 12 air in the above-mentioned dust collecting container 11 are discharged from the central part that is arranged on dust collecting container 11 roughly cylindraceous, air inflow aperture 111a (with reference to Fig. 7) inhaled air from the circumferential part that is arranged on above-mentioned dust collecting container 11 is rotated along the inner peripheral surface of dust collecting container 11, afterwards, make it via above-mentioned top filter element 13 etc., discharge by above-mentioned inner core 12, capture the bigger capture object that contains in the above-mentioned air in the bottom of above-mentioned dust collecting container 11, and in above-mentioned top filter element 13 etc., capture less capture object.
Above-mentioned dust collecting container 11 be used for accommodating from the isolated dust of air that is inhaled into, inner peripheral surface is cylindric and profile also is container cylindraceous.Above-mentioned dust collecting container 11 can be installed and removed with respect to the framework 10 of above-mentioned cyclone dust collecting unit Y.The user pulls down above-mentioned dust collecting container 11 from this cyclone dust collecting unit Y take out above-mentioned cyclone dust collecting unit Y from above-mentioned main body of dust collector portion 1 after, and the dusts in this dust collecting container 11 are disposed.In addition, between the framework 10 of above-mentioned cyclone dust collecting unit Y and above-mentioned dust collecting container 11, be provided with the seal member 161 of ring-type.Utilize sealing parts 161 can prevent that the air between above-mentioned framework 10 and the above-mentioned dust collecting container 11 from leaking.
Be formed with rotation restraining device described later on the inner surface of dust collecting container 11, this rotation restraining device can suppress in the rotation of compression member described later to be pushed by this compression member and the rotation of dust on desire inner surface rotation, that accumulate in above-mentioned trap receptacle 11.Detailed content describes in the back.
In addition, be provided with and be arranged on the chimeric fitting portion 11a of shaft 123b described later on the above-mentioned inner core 12 in the bottom of above-mentioned dust collecting container 11.Be provided with the seal member 11b of the ring-type in the gap between the shaft 123b that is used for landfill and above-mentioned inner core 12 at the peripheral part of above-mentioned fitting portion 11a.Utilize sealing parts 11b can prevent that the air between above-mentioned shaft 123b and the above-mentioned dust collecting container 11 from leaking.
In addition, above-mentioned dust collecting container 11 is provided with the connecting portion 111 that connects for above-mentioned connection flexible pipe 4 (with reference to Fig. 1).Flow in the above-mentioned dust collecting container 11 from above-mentioned connecting portion 111 with above-mentioned flexible pipe 4 inhaled airs that are connected via above-mentioned tube connector 3 from above-mentioned air inlet oral area 12.
Herein, the air inflow aperture that leads to above-mentioned dust collecting container 11 (not shown) of above-mentioned connecting portion 111 forms the air that makes from above-mentioned connection flexible pipe 4 and rotates in above-mentioned dust collecting container 11.Particularly, above-mentioned air inflow aperture (not shown) so that the outlet of above-mentioned dust collecting container 11 sides form towards the circumferential form of this dust collecting container 11.
Therefore, in above-mentioned dust collecting container 11, rotate by making the air that is inhaled into, the bigger dust that contains in this air is because of action of centrifugal force separated (centrifugation).And the dust that is gone out by centrifugation in above-mentioned dust collecting container 11 accumulates in the bottom (Fig. 2,3 dust D1) of this dust collecting container 11.
On the other hand, separated the air behind the dust from above-mentioned dust collecting container 11 along the exhaust pathway 112 shown in the arrow (Fig. 2), be expelled to the outside from the not shown exhaust outlet that is arranged in the above-mentioned main body of dust collector portion 1.Dispose above-mentioned inner core 12, above-mentioned dust carrier 14 and above-mentioned top filter element 13 successively on the above-mentioned exhaust pathway 112 till from above-mentioned dust collecting container 11 to above-mentioned exhaust outlet (not shown) herein.
Above-mentioned inner core 12 is the parts cylindraceous that are configured in the above-mentioned dust collecting container 11.Herein, above-mentioned inner core 12 is rotatably supported by above-mentioned dust carrier 14.Particularly, the support portion 14c of the ring-type that is provided with by the lower end of above-mentioned dust carrier 14 of the recess 12a of the ring-type that is provided with of the upper end of above-mentioned inner core 12 by this inner core 12 supports and hangs down with revolvable state.In addition, the structure that above-mentioned inner core 12 is rotatably supported is not limited thereto.For example, as an example, can consider the upper and lower end parts pivot of above-mentioned inner core 12 is supported.
In addition, the upper end of above-mentioned inner core 12 be provided be arranged on inclination dedusting parts 134 described later on a plurality of linking part 12b of engaging of holding section 134c.Above-mentioned linking part 12b is the rib that is arranged on highlightedly towards the top in the opening edge portion of upper end of above-mentioned inner core 12.
But above-mentioned inner core 12 engages with above-mentioned holding section 134c by above-mentioned linking part 12b and links rotatably with above-mentioned inclination dedusting parts 134 one.Thus, above-mentioned inner core 12 rotates linkedly with above-mentioned inclination dedusting parts 134.In addition, the binding of above-mentioned inner core 12 and above-mentioned inclination dedusting parts 134 structure is not limited thereto.For example, but can consider by making the chimeric and structure that its one is linked rotatably of the fitting portion that is separately positioned on above-mentioned inner core 12 and the above-mentioned inclination dedusting parts 134.
In addition, be formed with on the top of above-mentioned inner core 12 be used for will separate at above-mentioned dust collecting container 11 inner cartridge vent 121 of discharging of the air behind the dust towards above-mentioned top filter element 13.In addition, be provided with at above-mentioned inner cartridge vent 121 places with the 121 whole coverings of this inner cartridge vent, be inner core filter 122 cylindraceous.The air of 122 pairs of above-mentioned inner cartridge vent 121 of process of above-mentioned inner core filter filters.
For example, above-mentioned inner core filter 122 is netted air cleaners etc.Above-mentioned inner core filter 122 can be arranged on the inboard of above-mentioned inner cartridge vent 121 and the either side in the outside.In addition, also can consider on above-mentioned inner core 12, to form the structure that netted hole replaces above-mentioned exhaust outlet 121 and above-mentioned inner core filter 122.In this case, work as above-mentioned inner cartridge vent 121 and above-mentioned inner core filter 122 in this netted hole.
On the other hand, be provided with the helical form rotation compression unit 123 that is used to compress the dust in the above-mentioned dust collecting container 11 in the bottom of above-mentioned inner core 12.
With reference to the Fig. 4 that rotates the stereogram of compression unit 123 as above-mentioned helical form, above-mentioned helical form rotation compression unit 123 is described.
As Fig. 2～shown in Figure 4, be provided with spire 123a, shaft 123b, discoid curtain-shaped cover member 123c at above-mentioned helical form rotation compression unit 123.
Above-mentioned shaft 123b be with the bottom that is arranged on above-mentioned dust collecting container 11 on the chimeric hollow cylinder of above-mentioned fitting portion 11a.As mentioned above, between above-mentioned shaft 123b and above-mentioned fitting portion 11a, exist above-mentioned seal member 11b (with reference to Fig. 2, Fig. 3).
Discoid curtain-shaped cover member 123c plays the part (separation portion 104) that will utilize the centrifugation power that rotates stream described later to come the upside space of dust-separating and the separated effect of part (dust collecting part 105) of accumulating the lower side space of dust in above-mentioned dust collecting container 11.Thus, can prevent that the dust that traps from curling up rising and the undesirable situation of obstruction inner core filter 122.In addition, because in the form of annular discs, so the dust that contains in the cyclonic air flow can not be caught in, and can effectively dust be induced towards the bottom of dust collecting container 11.
In addition, above-mentioned shaft 123b is provided with tabular spire 123a (example of compression member of the present invention), this spire 123a is the bottom surface spiral extension of center towards above-mentioned dust collecting part 105 with above-mentioned shaft 123b, the helical form curved surface that it is the center that its upper and lower surface forms with above-mentioned vertical center axis P and bending.As hereinafter described, when above-mentioned inner core 12 was rotated, above-mentioned spire 123a made the dusts that accumulate in the above-mentioned dust collecting container 11 move towards the bottom of dust collecting container 11.At this moment, the above-mentioned helical form curved surface shaped of above-mentioned spire 123a becomes that screw retreated along with the rotation of this compression member when this helical form curved surface was presumed to screw, thus, can with this helical form curved surface with dust flatten, compression.
In addition, when above-mentioned inner core 12 is rotated, for the dust that moves to the bottom of dust collecting container 11 by " function of transportation of screw " of the above-mentioned helical form 123a of portion, above-mentioned spire 123a by with the bottom friction of above-mentioned dust collecting container 11, and above-mentioned bottom surface between utilize rotation that dust is gone out and compresses from the side pressure outwardly of rotating shaft center.According to such structure, dust is tightly compressed by rotation, but thereby can increase the burden of the dust of above-mentioned dust collecting container 11.Therefore, can realize the miniaturization of for example above-mentioned dust collecting container 11.In addition, the dust that is tightly compressed is not easy to scatter, thereby also can not occur dispersing to airborne problem when taking out, and its former state ground can be disposed as dust.
On the other hand, the air after the inner core filter 122 of above-mentioned inner core 12 filters is directed to above-mentioned top filter element 13 in via this inner core 12.
Herein, on the basis of Fig. 2 and Fig. 3,, above-mentioned top filter element 13 is described with reference to Fig. 5.Herein, Fig. 5 (a) is a stereogram of observing above-mentioned top filter element 13 from the top, and Fig. 5 (b) is the stereogram from the above-mentioned top of beneath filter element 13.
Above-mentioned top filter element 13 has high efficiency particle air filter (High EfficiencyParticulate Air Filter) 131, filter dedusting parts 132 and inclination dedusting parts 134 etc.
Above-mentioned high efficiency particle air filter 131 is to discharge from above-mentioned inner core 12 and a kind of the further filtered air filter of flow air on above-mentioned exhaust pathway 112.
Above-mentioned high efficiency particle air filter 131 be by dispose annularly and be fixed on above-mentioned vertical center axis P around the set of a plurality of filters constitute.A plurality of filters for example are separately fixed on the skeleton shown in Fig. 5 (b).In addition, above-mentioned high efficiency particle air filter 131 included a plurality of filters dispose with accordion form concavo-convex repeatedly on general horizontal direction.Thus, can fully guarantee the filter area of above-mentioned high efficiency particle air filter 131.In addition, between the lower end of above-mentioned high efficiency particle air filter 131 and above-mentioned framework 10, be provided with the seal member 162 of ring-type.Thus, can prevent that the air between above-mentioned high efficiency particle air filter 131 and the above-mentioned framework 10 from leaking.
In addition, as shown in Figures 2 and 3, be formed with the hollow bulb 131a of linking part 133 insertions that supply to be arranged on the filter dedusting parts 132 described later in the central authorities of above-mentioned high efficiency particle air filter 131.In addition, be provided with the support portion 131b that above-mentioned linking part 133 is rotatably supported at above-mentioned hollow bulb 131a.
As mentioned above, in above-mentioned cyclone dust collecting unit Y, by above-mentioned inner core filter 122 and above-mentioned high efficiency particle air filter 131 these two stage filtered airs, the trapping ability of dust improves.
But, stopping up in case in above-mentioned high efficiency particle air filter 131, dust accretions is arranged, the process resistance of air will increase.Therefore, may cause the load of above-mentioned electric blowing machine 221 to increase, dust-absorbing strength descends.Therefore, in above-mentioned top filter element 13, be provided with the above-mentioned filter dedusting parts 132 that to remove attached to the dust on the above-mentioned high efficiency particle air filter 131.
The above-mentioned support portion 131b that above-mentioned filter dedusting parts 132 are set at the central portion of above-mentioned high efficiency particle air filter 131 rotatably supports.Particularly, above-mentioned filter dedusting parts 132 are provided with the binding parts 133 that rotatably supported by above-mentioned support portion 131b.
In addition, above-mentioned inclination dedusting parts 134 are screwed on this linking part 133 by screwed hole 133a and the screw 133b that above-mentioned linking part 133 is provided with.Thus, but above-mentioned filter dedusting parts 132 be bonded rotatably with above-mentioned inclination dedusting parts 134 one.In addition, between above-mentioned inclination dedusting parts 134 and above-mentioned high efficiency particle air filter 131, be provided with the seal member 163 of the ring-type in landfill gap.Thus, can prevent that the air between above-mentioned inclination dedusting parts 134 and the above-mentioned high efficiency particle air filter 131 from leaking.
Shown in Fig. 2 and Fig. 5 (a), above-mentioned filter dedusting parts 132 have two contact site 132a, and the form that these two contact site 132a contact with the upper end with above-mentioned high efficiency particle air filter 131 is along this high efficiency particle air filter 131 arranged spaced in accordance with regulations.Above-mentioned contact site 132a is the elastomeric element of leaf-spring-like.In addition, above-mentioned contact site 132a is not limited to the elastomeric element of leaf-spring-like.And above-mentioned contact site 132a both can be one, also can be a plurality of.
In addition, on the peripheral part of above-mentioned filter dedusting parts 132, be formed with gear 132b.As shown in Figures 2 and 3, this gear 132b and the gear 15a engagement that is arranged on the dedusting driving mechanism 15 that above-mentioned cyclone dust collecting unit Y is provided with.
Herein, shown in Fig. 2 was clear and definite, above-mentioned dedusting driving mechanism 15 had decelerator that links with the not shown dedusting drive motor (example of compression member drive unit) that is arranged on above-mentioned main body of dust collector portion 1 side and the gear 15a that links with this decelerator.In above-mentioned dedusting driving mechanism 15, the revolving force of above-mentioned dedusting drive motor passes to said gear 15a by above-mentioned decelerator.In addition, the revolving force of the gear 15a of above-mentioned dedusting driving mechanism 15 passes to said gear 132b.Thus, make above-mentioned filter dedusting parts 132 rotations.
In addition, as mentioned above, the rotation of above-mentioned filter dedusting parts 132 passes to inclination dedusting parts 134, rotates around above-mentioned vertical center axis P with the inner core 12 of inclination dedusting parts 134 one rotations and with the helical form rotation compression unit 123 of inner core 12 one.
In addition, in the present embodiment, in order to the structure that makes above-mentioned filter dedusting parts 132 rotations with above-mentioned dedusting drive motor is that example is illustrated, as other embodiment, also can consider to be provided with the mechanism that above-mentioned filter dedusting parts 132 are rotated and replace above-mentioned dedusting drive motor.
In addition, also can consider to utilize dedusting drive motor other motor in addition to make 123 rotations of helical form rotation compression unit certainly.When desire is separately carried out the rotation of the dedusting of top filter element 13 and helical form rotation compression unit 123, also can consider to adopt so separately method of driving.
When making 132 rotations of above-mentioned filter dedusting parts, be arranged on two above-mentioned contact site 132a on these filter dedusting parts 132 and collide intermittently with the above-mentioned high efficiency particle air filter 131 that forms accordion respectively and make its vibration.Therefore, can be hit down because of the vibration that above-mentioned filter dedusting parts 132 bring attached to the dust on the above-mentioned high efficiency particle air filter 131.In addition, comparatively it is desirable to, the moment that makes above-mentioned dedusting drive motor (not shown) action is for example for before the beginning of the control of dust action of above-mentioned electric dust collector X or after finishing.Thus, in above-mentioned high efficiency particle air filter 131, do not exist under the state because of the air-flow of the air-breathing side flow towards downstream of above-mentioned electric blowing machine 221, can carry out the dedusting of above-mentioned high efficiency particle air filter 131 effectively.
In addition, as mentioned above, above-mentioned dust carrier 14 rotatably supports above-mentioned inner core 12.Particularly, the lower end in the edge portion of the opening 14a of above-mentioned dust carrier 14 is provided with and is arranged on the above-mentioned support portion 14c of the chimeric ring-type of the above-mentioned recess 12a of ring-type of upper end of above-mentioned inner core 12.Thus, above-mentioned inner core 12 hangs down with revolvable state by above-mentioned dust carrier 14.
Then, the structure to above-mentioned helical form rotation compression unit 123 is described in detail.
As mentioned above, cyclone dust collecting unit Y forms general cylindrical shape, comprises top filter element 13 that is configured in top and the dust collecting container 11 that is configured in the bottom.
The lower end one of the above-mentioned inner core of taking in dust collecting container 11 12 engages the discoid curtain-shaped cover member 123c that has as the boundary portion of 105 of separation portion 104 and dust collecting part.The external diameter of the above-mentioned spire 123a of above-mentioned discoid curtain-shaped cover member 123c and its underpart is roughly the same, and the internal diameter score is little from the internal diameter of portion 104, has gap (space) 106 (Fig. 6) between the inwall of the periphery of discoid curtain-shaped cover member 123c and dust collecting container 11.Gap (space) the 106th, following value: when moving in the separation portion 104 isolated dust towards dust collecting part 105, dust with certain volume also can be moved swimmingly, and it is rolled-up and stop up the value of inner core filter 122 to be fit to prevent once to move and accumulate in dust in the dust collecting part 105.According to experiment as can be known, this value is comparatively desirable when the 13mm left and right sides.
The inner surface of above-mentioned dust collecting container 11 is provided with rotation restraining device 53,54, this rotation restraining device 53,54 suppress as the rotation of the above-mentioned spire 123a that Figure 10 clearly represents in pushed by this spire 123a and the rotation of dust on the desire inner surface that rotate, that accumulate in above-mentioned dust collecting container 11.This rotation restraining device 53,54 both can be either party wherein, can be both sides also, but the rotation restraining device 53 that is arranged on the bottom surface side of dust collecting container 11 is necessary.
But, if the rotation restraining device 53 of bottom surface side is only arranged, then can't suppress the rotation of bigger dust piece, thereby the higher rotation restraining device 54 of the height of side needs also.
What above-mentioned rotation restraining device 53,54 adopted is the coefficient of friction of dust on the part of the inner surface of above-mentioned dust collecting container 11 device different with the coefficient of friction on other parts that makes as capturing object.
One example of concrete above-mentioned rotation restraining device 53,54 also can be the sheet rubber that sticks on the part of above-mentioned trap receptacle inner surface.
Perhaps, above-mentioned rotation restraining device 53,54 also can be formed in the concaveconvex shape on the inner surface of a part of inner surface of above-mentioned dust collecting container 11.For example, form the hackle mark of grater shape on the part of the inner surface of above-mentioned dust collecting container 11, thus, the dust that is deposited on the inner surface of dust collecting container 11 is caught in, and dust is urged and situation that desire is rotated in the time of suppressing above-mentioned spire 123a and rotate.This rotation restraining device 53,54 makes dust be more prone to be fixed on the inner surface of dust collecting container 11, and dust is compressed by above-mentioned spire 123a, further promotes the compression of dust.
Like this, rotation restraining device 53,54 helps the compression of dust, but as hereinafter described, rotation restraining device 53,54 also helps to detect exactly the amount that accumulates in the dust in the dust collecting container 11, and this function illustrates in the back.
In addition, because the diameter of dust collecting container 11 is more little the closer to the bottom of dust collecting container 11, therefore the gap (space) 107 between above-mentioned spire 123a and dust collecting container 11 inner surfaces constitutes the closer to the bottom of dust collecting container 11 more little.Thus, the friction between the inwall side of dust and dust collecting container 11 increases, and the dust that makes that helical form rotation compression unit 123 produces increases along the power that central shaft P direction moves, and can compress more efficiently.
In addition, discoid curtain-shaped cover member 123c has specific thickness on short transverse.The thickness effect of the short transverse of discoid curtain-shaped cover member 123c the centrifugation performance of separation portion 104, and in the present embodiment, what obtain according to experiment is about 13mm.
In addition, as mentioned above, the spire 123a of helical form rotation compression unit 123 forms between helical form curved surface up and down crooked tabular, spire 123a is the center with the shaft 123b that extends from discoid curtain-shaped cover member 123c towards the below approximate vertical, towards the bottom surface of dust collecting container 11 from initiating terminal (connecting portion that is connected with discoid curtain-shaped cover member 123c) to the axial region 123b that finishes to rotate till the end (lower end) reel on every side one all more than and form.Ideal digital as above-mentioned winding angle was 1.6 weeks.By such coiling, spire 123a forms the rotate direction of rotation oblique spiral helicine face that rotates of square neck down of air-flow (representing with arrow A among Fig. 6) of the whirlwind that flows along the inner peripheral surface along dust collecting container 11.
In addition, between the bottom surface of the end end (lower end) of the spire 123a of helical form rotation compression unit 123 and dust collecting part 105, there is gap (space) 108 (with reference to Fig. 6).Thus, can increase considerably the amount of dust that can go out and compress from the side pressure outwardly of rotating shaft center.
Below explanation has the action of the electric dust collector of said structure.
As Fig. 3, shown in Figure 6, the arrow A of air-flow image pattern 6 that enters the separation portion 104 of dust collecting container 11 from the air inflow aperture 111a of the connecting portion 111 that upwards forms in week of separation portion 104 rotates at a high speed along the inner peripheral surface cylindraceous of separation portion 104 like that.The bigger dust that rotates in the air-flow separates from air-flow because of action of centrifugal force, is compressed by the inwall towards dust collecting container 11.As shown in Figure 2, the exhaust outlet 121 of air is positioned at the below, and therefore, air-flow enters dust collecting part 105 while rotating afterwards.The air-flow that the arrow A shown in the double dot dash line rotates like that in the image pattern 6 (main flow) transfers rising to behind the bottom surface that arrives dust collecting part 105.In the example of Fig. 6, it is consistent that the direction of rotation of the air-flow that rotates in the gap 107 around this helical form rotation compression unit 123 and helical form are rotated the incline direction of spire 123a of compression unit 123, can not hinder the whirlwind air-flow that rotates.Therefore, the effective centrifugation that the pressure loss is little can be realized, higher suction power can be obtained.
In addition, the end end (bottom) that the dust that is driven by the air-flow of the arrow A shown in the double dot dash line among Fig. 6 is trapped in spire 123a is interior and accumulate with the space 112a between the bottom surface of dust collecting container 11, and is stacked gradually successively from downside along the spiral-shaped flexure plane of spire 123a.Therefore, can further prevent the increase of the pressure loss.
In addition because the direction of rotation of the air-flow that rotates in the gap 107 around the helical form rotation compression unit 123 is consistent with the incline direction of the spire 123a of helical form rotation compression unit 123, so accumulate, stacked dust also can compress a little by air-flow.Thus, accumulate, the volume of stacked dust diminishes, and can realize more effective dust arrestment.
Then, illustrate that air flows accumulating and stacked effect dust.
As mentioned above, the dust that is attracted separates in separation portion 104, is guided towards dust collecting part 105 via gap 106 (Fig. 6).In dust collecting part 105, dust is via gap 107, bottled up by gap 108 and accumulates.This staubosphere that accumulates is stacked on the dust that is accumulated when at every turn making 123 rotations of helical form rotation compression unit.Therefore, in this dust collect plant, dust is constantly stacked under the situation that does not have skew along spire 123a, can not accumulate unevenly in dust collecting part 105, compares with isometric dust collecting part, and the control of dust capacity has tremendous raising.
In addition, spire 123a can form along whirlwind rotate air-flow direction of rotation down square neck oblique have the spiral-shaped of directionality.In this case, also can obtain the compression effectiveness of cyclonic air flow.Thus, the control of dust capacity further improves.
Then, the effect to the rotation compression is specifically described.
For example, when the driving of out-of-blast drive motor, air-flow stops to rotate.After the driving halted state of having confirmed the air-supply drive motor, if drive dedusting driving mechanism 15, then as mentioned above, inner core 12, exhaust outlet 121, discoid curtain-shaped cover member 123c, helical form rotation compression unit 123, shaft 123b are the center with vertical center axis P integratedly, towards arrow D direction (being viewed as counterclockwise from the top) rotation of Fig. 8.So, the rotation of dedusting driving mechanism 15 passes to shaft 123b by first rotation 152 shown in Figure 8 and second rotation 153.
When helical form rotation compression unit 123 rotates like this,, can go up in rotor shaft direction (vertical downward direction shown in the arrow E of Fig. 9) and produce thrust according to spiral principle.By this thrust, the dust 200 that accumulates in the Fig. 9 in the dust collecting part 105 extrudes towards rotor shaft direction, is pressed on the bottom surface of dust collecting container 11, thereby obtains compression on rotor shaft direction.
Yet, in cyclone dust collecting unit Y, when staubosphere is stacked to the top of 300 (the roughly positions of the initiating terminal of spire 123a) of Figure 10, even come dust 201 (with reference to Fig. 9) from the new attraction of upside, there is not dust 201 to be caught in yet, therefore dust can't be stacked, pile up, can continue rotation around inner core 12.Owing to continue rotation, on inner core filter 122, can adhere to a large amount of dusts, attraction can sharply descend.In addition, the burden of air-supply drive motor is big, causes life of product to descend.
But, in this dust collect plant Y, the rotation of spire 123a make accumulate in and the bottom surface of dust collecting container between the dust rotation, make dust go out and be compressed from the side pressure outwardly of axle center, therefore, in a single day dust 200 between the bottom of helical form rotation compression unit 123 and dust collecting container 11 is compressed, and then rotation stops the back or even opens dust collecting container 11 and also can keep compressive state after making the compression stress releasing.
As mentioned above, rotation by helical form rotation compression unit 123, the dust that accumulates on the inner surface of dust collecting container 11 is right after compression, can in dust collecting container 11, accumulate more dust, in addition, when dust collecting container 11 is outwelled dust, dust can not disperse in air, than health, but accumulate in the amount of the dust in the dust collecting container 11 when too much, the dedusting drive motor as the compression member drive unit that is used to drive 123 rotations of helical form rotation compression unit may transship.
Therefore, comparatively it is desirable to make the dedusting drive motor before overload, to stop, perhaps the user is provided the warning that might transship and so on and show in earlier stage.But the load of dedusting drive motor self does not slowly increase, but exists in case above a certain amount of tendency that just can sharply increase, therefore be difficult to discover in advance.
Therefore, the present inventor has carried out active research, found that between the load of the variation of current value of above-mentioned drive motor and drive motor to have relation.
Figure 12 be expression use the part of above-mentioned dust collecting container 11 bottoms to be formed with the higher part of coefficient of friction or the dust collecting container 11 that is formed with the hackle mark that dust can be caught in carry out dust accumulate with compressed action the time, the curve map of the variation of the amperometric determination value of above-mentioned drive motor.The longitudinal axis is a current value, and transverse axis is the time.
The waveform of example 1 is the amount example more after a little while of the dust taken in, and the value of average current Aa is less, and the amplitude Sa of electrical current fluctuations is also less.In addition, the period T a of electric current change is shorter.This is because decrement load little, compressible drive portion is little, the cause of generation rotational latency.
On the other hand, example 2 is amount examples more for a long time of the dust taken in, and it is big that the amplitude Sb of average current Ab and electrical current fluctuations becomes.In addition, the load during owing to compression becomes big, and compression body 1 drive division produces rotational latency, so period T b is elongated.
The phenomenon that changes along with the amount of the dust that accumulates according to the amplitude Sb of this average current Ab, electrical current fluctuations or the period T b that rises and falls, the present inventor notices, by detecting these electric weight with current detecting part 227 (example of current sensing means of the present invention), just can detect the amount of the dust that accumulates indirectly, the present invention is based on such knowledge and does.Promptly, the related data and the predetermined defined threshold of the current value of above-mentioned drive motor (example of compression member drive unit) are compared, according to its comparative result,, can prevent the overload of drive motor by providing warning or carrying out the processing that stops of precipitron.
Particularly, will be as the dependent thresholds of the current value of above-mentioned current sensing means drive motor and predetermined first threshold is stored in the storage part (example of current value storage device in the above-mentioned control circuit portion 220 in advance, with reference to Figure 11), during the above-mentioned first threshold of storing in the storage part in the current detecting result of current detecting part 227 surpasses above-mentioned control circuit portion 220, above-mentioned control device Z uses display part 224 and 225 couples of users of buzzer portion to give the alarm, thereby can prevent the overload of drive motor.
Also can in the storage part in the above-mentioned control circuit portion 220, also store second threshold value bigger in advance than above-mentioned first threshold, when the current detecting result of current detecting part 227 surpasses above-mentioned second threshold value, above-mentioned control device Z uses display part 224 and 225 couples of users of buzzer portion to give the alarm, and stop the operation of this cyclone dust collecting unit, thereby can prevent the overload of drive motor fully.
As above-mentioned current detecting result, for example can consider the driving current value A of periodically variable drive motor or based on the value (for example statistical value of mean value and so on etc.) of driving current value A, perhaps the difference S of the maximum of driving current value and minimum of a value (fluctuating of electric current) or based on the value of difference S.
As another example of above-mentioned current detecting result, also can be between the peak value of periodically variable electric current period T or based on the value of period T.
As above-mentioned current detecting result's a example again, the detection electric current that can consider above-mentioned current sensing means at the appointed time mean value A or detect electric current in one or more variable cycles mean value A or based on the value of these values.
The structure of measuring the above-mentioned control device Z that above-mentioned average current A, fluctuating S or its period T handle with the antioverloading of stipulating is described with reference to Figure 11, afterwards, the flow chart with reference to Figure 12 illustrates that the amplitude S that is undertaken by above-mentioned control device Z, detect electrical current fluctuations controls the treatment step of the control device Z of deduster.
Figure 11 is the general block diagram of control part Z.Symbol 220 is control circuit portions, and it by the control that drive circuit portion 222 implements electric blowing machine 221, in addition, also carries out the control of various input processing or demonstration etc. according to the input from remote control switch portion 206.222 instructions according to control circuit portion of above-mentioned drive circuit portion drive electric blowing machine 221, and the electric current that flows through electric blowing machine 221 is detected, with its input control circuit portion 220.
Then with reference to Figure 11 and Figure 12, the judgement action in this dust collect plant describes to above-mentioned control part Z.
Remote control switch portion 206 has run switch (strong, in, weak etc.) and shutdown switch, and usually, when its operation is made signal input control circuit portion 220, control device Z controls electric blowing machine 221 according to this signal.Control device Z periodically makes drive division 226 rotations electric blowing machine 221 in service, carries out compressed action, and in service at dust catcher also can detect amount of dust by method described later.In addition, detect amount of dust in the time of also can stopping in the operation of dust catcher.In addition, can also only carry out the operation of compressed action.Under "on" position all can be implemented the detection of dust constantly.In addition, can also carry out such control detecting the operation that gives the alarm after dust has been expired or stop electric blowing machine 221.
Then use the flow chart of Figure 13 that the step of carrying out compressed action and current detecting action after electric blowing machine 221 stops to be described.Among the figure, N10, N20 ... it is the numbering of the control step of control device Z.
When the operation dust catcher, dust that is attracted and air enter dust collecting container via suction portion.As mentioned above, according to the characteristic of whirlwind, bigger dust accumulates on the bottom surface of dust collecting container 11 in the dust.
As shown in figure 13, after electric blowing machine 221 stops, drive division 226 starts, and helical form rotation compression unit 123 is driven and rotation toward the clockwise direction, carries out the dust in the dust collecting container 11 is pressed to the compressed action ("Yes" among the N10) of the foot of helical form rotation compression unit 123.
As mentioned above, the bottom surface of dust collecting container 11 and side are provided with rotation restraining device 53,54, therefore, the dust that is pushed to the foot of helical form compression unit 123 stops the rotation because of rotation restraining device 53,54, thereby is sharply compressed near this rotation restraining device 53,54.
Consequently, near above-mentioned rotation control part 53,54 o'clock, it is big that the load of drive motor becomes at the foot of helical form compression unit 123, and it is big that electric current A or electrical current fluctuations amplitude S become, and rotary speed is slack-off, and the period T of electrical current fluctuations is elongated.Above-mentioned current detecting part 227 can detect the variation of such electric current, because the existence of above-mentioned rotation restraining device 53,54, compression effectiveness improves, and electrical current fluctuations S change is big, can carry out amount of dust accurately according to these data and detect.This compression body 2 both can be on the bottom and the either party in the wall of dust incorporating section, also can be on both sides.
The relief intensity S of the current value of the detection electric current when compressed action, perhaps electrical current fluctuations period T, perhaps average current A (electrical current fluctuations S surpasses regulation setting value 1 o'clock among Figure 13) (N20 for setting value more than 1) when surpassing predefined defined threshold, be estimated as the load that is in drive division 226 is about to become overload for drive division 226 state, but at above-mentioned fluctuating value S is more than the above-mentioned setting value 1 (first threshold), and be during than the big setting value 2 (second threshold value) following (being "No" among the N30) of above-mentioned setting value 1, be unlikely to stop drive motor though be judged as, but accumulated considerable dust, promptly, be judged as the moment of outwelling dust, notify (N40) by the LED demonstration of display part 224 or the buzzer of buzzer portion 225 etc.In addition, more than the fluctuating S of electric current is above-mentioned setting value 1 (first threshold) and for the time than the big setting value 2 (second threshold value) above (being "Yes" among the N30) of above-mentioned setting value 1, export above-mentioned alarm and stop drive motor (N50), thereby prevent the overload of drive motor fully.
In above-mentioned example, at be the fluctuating S of electric current, but clearly, also can itself and the setting value of determining respectively be compared at the mean value of current value itself or current value or the cycle of electric current change.
Perhaps, as the method that improves accuracy of detection, also can detect the amount that two or three in the data are inferred the dust that has accumulated by making up above-mentioned three kinds.
In addition, also can similarly carry out compressed action and current detecting after having attracted dust starting electric blowing machine 221, with top the same, when the relief intensity S that is judged as current value A, electric current or fluctuating period T surpass predetermined defined threshold or are judged as compressed limits according to their combination, stop compressed action, thereby prevent the overload of drive motor.
Claims (10)
1. cyclone separator, comprise that inner peripheral surface is trap receptacle roughly cylindraceous, by making the air inflow aperture inhaled air that upwards is provided with in week from the circumferential part of this trap receptacle after rotating along described inner peripheral surface roughly cylindraceous, discharge via filter from the central part of described trap receptacle, capture the bigger capture object that contains in the described air in the bottom of described trap receptacle, and in described filter, capture smaller capture object
Described cyclone separator is characterised in that, comprising:
Compression member, this compression member is positioned at described trap receptacle, comprises that the vertical center axis with this trap receptacle is the helical form curved surface at center, and can be around described vertical center axis rotation;
The rotation restraining device, this rotation restraining device is arranged on the part of inner surface of described trap receptacle, is pushed and desire rotation rotation, that accumulate in the capture object on the described trap receptacle inner surface by this compression member when suppressing described compression member rotation;
Current sensing means, this current sensing means detects around the electric current of the compression member drive unit of described vertical center axis rotation driving described compression member, and
Control device, this control device is controlled described cyclone separator according to the testing result of the electric current of described current sensing means.
2. cyclone separator as claimed in claim 1 is characterized in that, described rotation restraining device makes the coefficient of friction with respect to capturing object on the part of described trap receptacle inner surface be different from the other parts of described trap receptacle inner surface.
3. cyclone separator as claimed in claim 2 is characterized in that, described rotation restraining device is the sheet rubber that sticks on the part of described trap receptacle inner surface.
4. cyclone separator as claimed in claim 2 is characterized in that, described rotation restraining device is formed with concavo-convex on the inner surface of the part of described trap receptacle inner surface.
5. as each described cyclone separator in the claim 1 to 4, it is characterized in that, comprise that storage is as the dependent thresholds of the current value of described compression member drive unit and the current value storage device of predetermined first threshold, when the testing result of the electric current of described current sensing means surpassed the described first threshold of storing in the described current value storage device, described control device gave the alarm to the user.
6. cyclone separator as claimed in claim 5, it is characterized in that, described current value storage device also stores second threshold value bigger than described first threshold in advance, when the testing result of the electric current of described current sensing means surpasses described second threshold value, described control device gives the alarm to the user, and stops the operation of described cyclone separator.
7. as claim 5 or 6 described cyclone separators, it is characterized in that the testing result of described electric current is based on the value of periodically variable current value or based on the value of the difference of the maximum of electric current and minimum of a value.
8. as claim 5 or 6 described cyclone separators, it is characterized in that the testing result of described electric current is based on the value in the cycle between the peak value of periodically variable electric current.
9. as claim 5 or 6 described cyclone separators, it is characterized in that the testing result of described electric current is based on the detection electric current mean value at the appointed time or the value of the mean value of detection electric current in one or more variable cycles of described current sensing means.
10. as each described cyclone separator in the claim 1 to 9, it is characterized in that this cyclone separator is that the capture object is the cyclone dust collecting unit of dust.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008174478 | 2008-07-03 | ||
| JP2008174478A JP4589989B2 (en) | 2008-07-03 | 2008-07-03 | Cyclone separator |
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| Publication Number | Publication Date |
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| CN101617929A true CN101617929A (en) | 2010-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910159465A Pending CN101617929A (en) | 2008-07-03 | 2009-07-02 | Cyclone separation device |
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| CN (1) | CN101617929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113853146A (en) * | 2019-06-05 | 2021-12-28 | Lg电子株式会社 | Vacuum cleaner |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5881558B2 (en) * | 2012-08-24 | 2016-03-09 | シャープ株式会社 | Electric vacuum cleaner |
| KR102185964B1 (en) * | 2020-02-03 | 2020-12-03 | 주성현 | Dust collector of vacuum cleaner |
| CN113273925B (en) * | 2020-02-03 | 2023-12-29 | 朱圣铉 | Dust collecting device of vacuum cleaner |
| KR20210148831A (en) | 2020-06-01 | 2021-12-08 | 엘지전자 주식회사 | Cleaner |
| KR20210148830A (en) | 2020-06-01 | 2021-12-08 | 엘지전자 주식회사 | Cleaner |
| KR20210148832A (en) | 2020-06-01 | 2021-12-08 | 엘지전자 주식회사 | Cleaner |
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| JPS54114366U (en) * | 1978-01-31 | 1979-08-11 | ||
| JPH04370030A (en) * | 1991-06-14 | 1992-12-22 | Kubota Corp | Dust-discharging structure of thresher |
| JP4640542B2 (en) * | 2000-12-27 | 2011-03-02 | 有限会社吉工 | Cyclone |
| JP2003070698A (en) * | 2001-09-07 | 2003-03-11 | Toshiba Tec Corp | Electric vacuum cleaner |
| JP3788589B2 (en) * | 2001-09-20 | 2006-06-21 | シャープ株式会社 | Vacuum cleaner |
| JP4066718B2 (en) * | 2002-06-07 | 2008-03-26 | 松下電器産業株式会社 | Electric vacuum cleaner |
| JP2004283344A (en) * | 2003-03-20 | 2004-10-14 | Toshiba Tec Corp | Vacuum cleaner and its operation method |
| JP2005013312A (en) * | 2003-06-24 | 2005-01-20 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| JP4115481B2 (en) * | 2005-12-14 | 2008-07-09 | シャープ株式会社 | Electric vacuum cleaner |
| DE602007003396D1 (en) * | 2006-02-24 | 2010-01-07 | Lg Electronics Inc | Dust collector and vacuum cleaner |
| EP1859719B1 (en) * | 2006-05-23 | 2014-03-12 | LG Electronics Inc. | Vacuum cleaner and controlling method of the same |
-
2008
- 2008-07-03 JP JP2008174478A patent/JP4589989B2/en not_active Expired - Fee Related
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- 2009-07-02 CN CN200910159465A patent/CN101617929A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113853146A (en) * | 2019-06-05 | 2021-12-28 | Lg电子株式会社 | Vacuum cleaner |
| US11375863B2 (en) | 2019-06-05 | 2022-07-05 | Lg Electronics Inc. | Cleaner |
| US11382469B2 (en) | 2019-06-05 | 2022-07-12 | Lg Electronics Inc. | Cleaner |
| US11523720B2 (en) | 2019-06-05 | 2022-12-13 | Lg Electronics Inc. | Cleaner |
| US11529032B2 (en) | 2019-06-05 | 2022-12-20 | Lg Electronics Inc. | Cleaner |
| CN113853146B (en) * | 2019-06-05 | 2023-08-08 | Lg电子株式会社 | Dust collector |
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| Publication number | Publication date |
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| JP4589989B2 (en) | 2010-12-01 |
| JP2010012410A (en) | 2010-01-21 |
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