KR20130072157A - Electric cleaner - Google Patents

Abstract

PURPOSE: A vacuum cleaner is provided to efficiently prevent a filter from blocking by storing the dust in a centrifugal separating unit. CONSTITUTION: A vacuum cleaner comprises an electric blower (31), a centrifugal separating unit, a filter, a dust detecting unit, and a control member (34). The centrifugal separating unit communicates a suction unit of the electric blower and collects the dust by separating from the inhaling air including the dust. The filter is positioned between the suction unit and the centrifugal separating unit. The dust detecting unit is positioned between the filter and the centrifugal separating unit and detects the amount of the dust. The control member controls to lower the input of the electric blower when the amount of the dust which is detected by the dust detecting unit is greater than the predetermined amount. [Reference numerals] (22) Setting button; (31) Electric blower; (34) Control member; (84) Optical sensor; (91) Control member power unit; (92) Driving member

Description

Electric Cleaner {ELECTRIC CLEANER}

Embodiment of this invention relates to the vacuum cleaner provided with the filter between the suction side of a electric blower, and a centrifugal separator.

BACKGROUND ART Conventionally, there is an electric vacuum cleaner provided with a filter between an electric blower and a dust collecting part for collecting dust suctioned by driving of the electric blower.

As the dust collecting unit, for example, a structure having a dust collecting bag such as a filtration filter such as a paper pack, or a so-called cyclone centrifugal unit for centrifuging (cyclone separating) dust by turning air containing dust is used.

In the case of an electric vacuum cleaner using a dust collecting bag, when dust is accumulated in the dust collecting bag, the dust collecting bag becomes clogged and the air permeability decreases. In the case of an electric vacuum cleaner using a centrifugal separating part, when the dust is accumulated a predetermined amount or more, it leaks from the centrifugal separator together with air. It adheres to a filter and may reduce the suction work rate of an electric blower.

Japanese Patent No. 2719822 Japanese Patent No. 4256368

An object of the present invention is to provide an electric vacuum cleaner which can reliably prevent clogging of a filter due to excessive storage of dust in a centrifugal separator.

The vacuum cleaner of an embodiment has an electric blower. Moreover, this vacuum cleaner has a centrifugal part which communicates with the suction side of an electric blower, and centrifugally collects dust from the intake containing dust. The vacuum cleaner also has a filter located between the suction side of the electric blower and the centrifugal separator. In addition, the vacuum cleaner is provided between the filter and the centrifugal separator and has dust amount detecting means for detecting the amount of dust passing therethrough. And this vacuum cleaner has control means for controlling so that the input of an electric blower may be reduced when the amount of dust detected by the amount of dust detection means is more than predetermined amount.

Thereby, the vacuum cleaner which can reliably prevent clogging of the filter resulting from excessive storage of dust in a centrifugal separation part can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram which shows the internal structure of the vacuum cleaner of 1st Embodiment.
2 is an explanatory diagram schematically showing the air path structure of the vacuum cleaner.
3 is a side view illustrating a part of the cleaner body of the electric cleaner.
4 is a perspective view of the vacuum cleaner;
5 is a flowchart showing a part of the control of the vacuum cleaner;
Fig. 6 is a block diagram showing the internal structure of the vacuum cleaner of the second embodiment.
7 is an explanatory diagram schematically showing the air path structure of the vacuum cleaner.
8 is a flowchart showing a part of the control of the vacuum cleaner;
9 is a block diagram showing an internal structure of a vacuum cleaner of a third embodiment.
10 is a flowchart showing a part of the control of the vacuum cleaner;
Fig. 11 is a block diagram showing the internal structure of a vacuum cleaner of a fourth embodiment.
12 is a flowchart showing a part of control of the electric cleaner.

Hereinafter, the structure of 1st Embodiment is demonstrated with reference to drawings.

First, in Fig. 4, reference numeral 11 denotes a so-called canister type vacuum cleaner, and the vacuum cleaner 11 is a pipe part 12 which is a suction air passage body (air passage forming body), and the pipe part 12 is detachable. It has the cleaner main body 13 connected possibly.

The pipe part 12 is the hose body 16 which has flexibility to communicate with the connection pipe part 15 connected to the cleaner main body 13, and the front end side (upstream side in a suction air path) of this connection pipe part 15. And it is removable to the remote operation part 17 provided in the front end side (upstream side in a suction air path) of this hose body 16, and the front end side (upstream side in a suction air path) of this remote operation part 17. It can be selectively detached from the extension pipe 18 connected to it, and the front end side (upstream side in a suction air flow path) of this extension pipe 18, or the front end side (upstream side in a suction air flow path) of the hose body 16. A bottom sole 19 serving as a suction inlet body is provided.

A loop-shaped gripping portion 21 protrudes toward the hose body 16 side on the remote operation portion 17, and a plurality of setting buttons 22 as operating means for operation are provided on the upper portion of the gripping portion 21.

Moreover, the cleaner main body 13 is equipped with the main body case 25 which has the driving wheel 23 of large diameter in both sides, and the turning wheel 24 in the lower part as shown in FIG. 3 and FIG. The dust collector 26 as a dust collector is provided in the upper part of the main body case 25. As shown in FIG.

And the cleaner main body 13 is comprised by the running wheel 23 and the turning wheel 24 so that running (moving) is possible in the at least front-back direction on the floor surface to be cleaned.

The main body case 25 is formed of, for example, a synthetic resin, and includes a main body 32 containing the electric blower 31 and a protrusion 33 protruding from the front of the main body 32. Have

The electric blower 31 is arrange | positioned in the main-body part 32, and operation is controlled by the control means 34 (FIG. 1) accommodated in the main-body part 32 according to operation of the setting button 22. As shown in FIG. In addition, both ends of the axial direction are elastically supported by this electric blower 31, for example through elastic members 35 and 36, such as rubber | gum.

The main body part 32 is a part which supports the lower part of the rear side of the dust collector 26, and is a power supply part for powering this electric blower 31 besides the electric blower 31 and the control means 34 (FIG. 1). As an example, a cord reel device (not shown) in which the power cord 37 is wound is accommodated.

In addition, the rear end of the main body portion 32 shows an exhaust hole (not shown) for discharging exhaust gas from the electric blower 31 to the outside of the main body case 25, and a tip side of the power cord 37 is drawn out. An unused code outlet is formed. In addition, traveling wheels 23 are located on both sides of the main body part 32.

Moreover, the protrusion part 33 is a part which supports the lower part of the front side of the dust collector 26, and inclines upward toward the front. Moreover, the duct part 38 as an air path forming part which communicates with the dust collector 26 from the inside of this protrusion part 33 to the inside of the main body part 32 is partitioned inside.

In addition, a main body suction port 39 is formed in the front portion of the protruding portion 33 to which the connecting tube portion 15 of the pipe portion 12 is connected, and the main body suction port 39 is formed at the upstream end of the duct portion 38. It is an opening. And the turning wheel 24 is located in the lower part of this protrusion part 33. As shown in FIG.

The dust collector 26 is located on the front side of the cleaner body 13 and communicates with the first separator 41, which is a first centrifugal separator having an axial direction along the up and down direction, and the first separator 41. A second separator 42, which is a second centrifugal separator as a centrifugal separator located on the rear side and having an axial direction along the up and down direction, and a connecting air passage 43 communicating downstream with the first separator 41; The air passage part 44 communicating with the connecting air passage 43 is provided.

In addition, the upper part of the first separating part 41, the connecting air passage 43, and the upper part of the second separating part 42 are covered by the outer cover 46. In this dust collecting apparatus 26, the first separating part 41 and the second separating part 42 are detachably attached to the vacuum cleaner main body 13 (main body case 25), respectively.

Although the 1st separating part 41 can be set as arbitrary structures which can collect the dust which is comparatively large dust, such as fiber dust, from the air containing the dust which passed the duct part 38, this embodiment In the air, dust containing dust is collected to collect crude dust, which is a relatively large dust such as fiber dust, by centrifugal separation (cyclone separation).

Specifically, as shown in FIGS. 2 and 3, a case body 51 having a bottomed cylindrical shape, a cylindrical swing portion 52 disposed in the case body 51, and the pivot Each of the mesh 52 includes a mesh-shaped dust collecting filter 53 and a compression filter 54.

The case body 51 is a part which divides the 1st separation chamber 56 which centrifugally separates crude dust to the upper side, and the dust collection chamber 57 which accommodates this separated crude dust to the lower side, for example, synthetic resin, etc. A cylindrical case main body 58 formed by the member, and a lid 59 for opening and closing the lower end portion, which is one end of the case main body 58, are provided.

In addition, an inlet port 60, which is an inlet port through which the duct part 38 is connected, is formed at one side of the rear side of the case main body 58, and air containing dust is introduced into the case from the duct part 38 through the inlet port 60. It is comprised so that it may flow into the sieve 51 along a tangential direction.

The revolving part 52 is inserted into the case body 51 (case body 58) from the upper part of the case body 51 (case body 58), and this case body 51 (case body) (58)] are arranged concentrically. And this turning part 52 is integrally provided with the cylindrical turning part main body 62 located in the upper side, and the compression part 63 as an enlarged part of the cylindrical shape (disk shape) located in the lower side.

The revolving part main body 62 is partitioned between the outer circumferential surface and the inner circumferential surface of the case body 51 (case main body 58) in which the air including the dust rotates. In addition, a plurality of peripheral openings 65 are formed around the revolving part main body 62, and these peripheral openings 65 are respectively covered by a dust collecting filter 53.

Moreover, the upper end part which is the other end part of this turning part main body 62 is airtightly connected with respect to the connection air path 43. As shown in FIG. Therefore, each peripheral opening 65 communicates with the second separating part 42 through the inside of the turning part 52 (the turning part main body 62), the connecting air path 43, and the air path part 44. As shown in FIG.

Moreover, the compression part 63 is larger in diameter than the turning part main body 62, and is connected concentrically with this turning part main body 62. As shown in FIG. Moreover, between the lower part of this compression part 63 and the case body 51, the dust collecting chamber 57 is partitioned, and by this compression part 63, the swirl flow which arises in the 1st separation chamber 56 ( It is configured to block (suppress) the influence of the vortex) from the dust collecting chamber 57.

And the compression filter 54 is provided in the center part continuous with the turning part main body 62 of this compression part 63. As shown in FIG.

On the other hand, the second separation section 42 is separated from the relatively small dust [sejin], i.e., the first separation section 41, which cannot be centrifuged by the first separation section 41. By centrifuging the dust finer than the above-mentioned coarsening, the plurality of second separation chambers 71 serving as the centrifugal separation unit body, the rectifying sections 72 disposed at the upper end portions of these second separation chambers 71, and the respective second The dust collecting case 73 as a dust accommodating part respectively connected to the lower end part of the separation chamber 71 is provided.

Each second separation chamber 71 is a portion for turning the air including the dust introduced from the rectifying portion 72 along the inner circumferential surface, and funnel shaped so that the diameter gradually decreases from the upper side to the lower side, that is, from the upstream side to the downstream side. ) And at least the largest diameter dimension of the inner circumferential surface is smaller than the case body 51 (case body 58) of the first separating part 41, for example, the case body 51 (case body 58). The diameter is set to about half of the inner circumferential surface of.

Therefore, these 2nd separation chambers 71 are formed so that the flow velocity is faster than the 1st separation part 41, and a centrifugal separation capability becomes high. In addition, in this embodiment, these 2nd separation chambers 71 are arrange | positioned with four in the front-back direction, 14 three columns in total, for example, five each in the front-back direction on both sides.

In addition, each rectifying part 72 is inserted in these 2nd separating chamber 71 from the upper end of each 2nd separating chamber 71, and is arrange | positioned concentrically. In addition, each rectification part 72 is a ventilation part 74 as a ventilation part formed in the cylindrical shape along the up-down direction, and the rectification passage part 75 formed spirally along the circumference | surroundings of this ventilation part 74. Each has an integral.

Each rectifying passage portion 75 is formed in a spiral shape so that air containing dust is introduced into the second separation chamber 71 along the tangential direction.

Moreover, the connection air path 43 is formed in elongate shape along the front-back direction which is a predetermined direction, and is located in front of each 2nd separating chamber 71 of the 2nd separating part 42 from the upper part of the 1st separating part 41. FIG. It is located over the part, and is integrally provided with the 1st separating part 41. FIG.

And the lower part of the front side of this connection air path 43 is detachably connected with the downstream side of the 1st separating part 41, ie, the upper end part of the turning part 52. FIG.

In addition, the dust collection case 73 accommodates dust (separation) separated from each separation chamber 71, and is located behind the first separation part 41. In addition, the inside of this dust collecting case 73 is partitioned corresponding to each 2nd separation chamber 71. As shown in FIG. And this dust collecting case 73 is attachable and detachable with respect to each 2nd separation chamber 71. As shown in FIG.

In addition, the air flow passage 44 is a distribution air passage 77 which communicates in parallel through the upstream side of each of the second separation chambers 71 of the second separation portion 42 and the rectifying passage 75 of the rectification portion 72. In the upper and lower two-layer structure having a communication air flow passage 78 which communicates in parallel through the downstream side of each second separation chamber 71 and the vent vent portion 74 of the rectifying portion 72 at the upper portion thereof. It is.

That is, this air path part 44 is divided into the distribution air path 77 and the communication air path 78. And the communication air path 78 communicates with the suction side of the electric blower 31 via the communication duct 81 as a communication air path part.

This communication duct 81 is accommodated in the main body part 32 of the main body case 25, and the filter 83 is attached to the suction side position of the electric blower 31, and this filter 83 is carried out. An optical sensor 84 as a dust amount detecting means for detecting the amount of dust passing therebetween is disposed between the downstream side of the second separating portion 42 (communication air passage 78 of).

In addition, the dust collector 26 has a first separating part 41, a connecting air passage 43, a distribution air passage 77, a second separating part 42, a communication air passage 78, a communication duct 81, and an electric blower. The dust collecting air path 85 which communicates with the 31 sequentially is airtight.

Next, the internal structure of the said 1st Embodiment is demonstrated with reference to FIGS.

The control means 34 is specifically a microcomputer etc., and is supplied from the control means power supply part 91 which produces | generates a control power supply from the commercial AC power supply e via the power cord 37. As shown in FIG. Moreover, this control means 34 is electrically connected with the setting button 22, and is comprised so that a user's operation by this setting button 22 may be read and determined.

Moreover, this control means 34 is electrically connected with the gate terminal which is a control terminal of the triac Tr which is a control element via the drive means 92, and this drive means 92 is an electric blower through the triac Tr. The phase conduction angle of 31 is controlled, and the drive of the electric blower 31 is controlled by the input corresponding to operation of the setting button 22. As shown in FIG.

Further, the optical sensor 84 includes, for example, a light emitting portion 84a as light emitting means for emitting infrared light and a light receiving portion 84b as light receiving means for receiving infrared light emitted by the light emitting portion 84a. It arrange | positions so that it may face each other in the upstream side surface in the communication duct 81. As shown in FIG.

Inhalation of the electric blower 31 on the downstream side of the second separating portion 42 arrangement portion of the dust collecting path 85 by the amount of light received by the light receiving portion 84b for receiving the infrared light from the light emitting portion 84a. The signal corresponding to the amount of dust passing through the filter 83 on the side can be output to the control means 34.

The light emitting part 84a is equipped with light emitting elements, such as LED which outputs light, such as an infrared light, and is arrange | positioned so that it may light toward the light receiving part 84b arrange | positioned below.

The light receiving portion 84b includes a light receiving element such as a phototransistor for detecting infrared light, which is light output from the light emitting portion 84a, and is disposed upward.

When the amount of dust passing through the optical sensor 84 is relatively high or small, the dust blocking the light emission from the light emitting element of the light emitting portion 84a increases or decreases, so that the light receiving element of the light receiving portion 84b is used. Since the amount of received light decreases or increases relatively, the filter 83 on the suction side of the electric blower 31 on the downstream side of the second separating section 42 in the dust collecting path 85 is increased or decreased by the amount of received light. The amount of dust passing through can be detected.

Next, the operation of the first embodiment will be described with reference to the flowcharts shown in FIGS. 1 to 4 and 5.

At the time of cleaning, the dust collector 26 is attached to the main body case 25 of the vacuum cleaner main body 13 beforehand. In this state, the communication air path 78 of the second separation part 42 of the dust collecting device 26 is hermetically connected to the suction side of the electric blower 31 via the communication duct 81, and the first separation part is airtight. The suction port 60 of the 41 is hermetically connected to the duct 38, so that the pipe part 12 and the dust collecting path 85 in the dust collecting device 26 are hermetically connected to the suction side of the electric blower 31. .

Then, the user pulls out the power cord 37 from the cord outlet and connects it to an outlet such as a wall, and then grips the gripping portion 21 to operate the desired setting button 22, whereby the control means 34 sets it. The electric blower 31 is driven through the driving means 92 and the triac Tr in the operation mode set by the button 22.

The negative pressure generated by the driving of the electric blower 31 acts on the pipe part 12 through the dust collecting air passage 85, the duct part 38, and the main body suction port 39 in the dust collecting device 26. In the pipe part 12, the negative pressure acts on the hose body 16, the extension pipe 18, and the bottom sole 19 to inhale dust together with air from the tip of the bottom sole 19 placed on the surface to be cleaned. .

The dust-containing air is discharged from the main intake port 39 through the bottom sole 19, the extension pipe 18 and the hose body 16 through the duct section 38 to the first separation section 41 of the dust collector 26, Through the suction port (60). Air containing dust from the suction port 60 is introduced into the first separation chamber 56 of the first separation unit 41, that is, the case body 51 (the case body 58) and the swivel unit 52 The case body 51 and the swivel portion 52 (the main body 62) of the first separating portion 41 are rotated in the circumferential direction, And the compressed portion 63 at the lower end of the compression portion 63.

Most of the air including the dust turning the first separating part 41 flows into the inside of the turning part 52 from the peripheral opening 65 through the dust collecting filter 53, and the remaining part is the compression filter 54. It is introduced into the turning portion 52 through the.

When the air containing the dust passes through the dust collecting filter 53 in the first separation chamber 56, dust finer than the dust in the air containing the dust is collected by the dust collecting filter 53.

Moreover, the air containing the dust of the dust collecting chamber 57 is strongly adsorb | sucked to this compression filter 54 by the air which passes through the compression filter 54, and is compressed.

The air containing the dust (air including jinjin) passing through the turning part 52 passes through the connecting air passage 43, and then flows into the distribution air passage 77 of the air passage part 44. Then, from the distribution air passage 77, the branched portions flow into the rectifying passage portions 75 of the rectifying portions 72 of the second separating portion 42, respectively, and are rectified by these rectifying passage portions 75. 2 flows into the separation chamber 71.

The air containing the dust which flowed into these 2nd separating chamber 71 turns in the circumferential direction along the inner peripheral surface of these 2nd separating chamber 71 in the case body 51 of the 1st separating part 41. By turning at a flow rate faster than the flow rate, the fines are centrifuged and gravity-falled from the lower end of each second separation chamber 71 to the dust collecting case 73 and collected in the dust collecting case 73.

The clean air from which the jinjin is removed passes through the vent holes 74 of each rectifying part 72 and is extracted into the communication air path 78 of the air path part 44 to join.

Air that has joined the communication air path 78 flows to the filter 83 while passing between the light receiving portion 84b and the light emitting portion 84a of the optical sensor 84 and passes through the filter 83, thereby passing the electric blower ( 31).

This air passes through the electric blower 31, cools the electric blower 31, and is then exhausted from the electric blower 31 to become exhaust wind. From the exhaust hole, the main body case 25 of the cleaner main body 13 is removed. Exhaust to the outside.

Here, the control means 34 judges whether the user operated the setting button 22 to stop the electric blower 31 (step 1). In this step 1, when it is judged that the operation which stops the electric blower 31 was performed (YES in S1), the control means 34 inputs the electric blower 31 via the drive means 92 and the triac Tr. Is lowered and the electric blower 31 is stopped to finish the cleaning (step 2).

On the other hand, in step 1, when it is determined that the operation to stop the electric blower 31 is not performed (NO in S1), the control means 34 detects the dust amount D detected by the optical sensor 84, that is, the first step. The control means 34 determines whether or not the dust amount D flowing from the second separating part 42 to the suction side of the electric blower 31 is (D≥TD) equal to or more than a predetermined amount, in other words, equal to or more than the preset dust amount threshold value TD. (Step 3).

In step 3, when the control means 34 determines that the measured amount of dust amount D is less than the preset dust amount threshold value TD (NO of S3), it returns to step 1 as it is. In addition, in this step 3, when it is determined that the measured dust amount D is more than the preset dust amount threshold value TD (YES in S3), the determination that the measured dust amount D is larger than the predetermined dust amount threshold value TD The number N is added once (N = N + 1) (step 4).

Then, the control means 34 judges whether or not this number N is equal to or greater than the preset determination number threshold TN (N≥TN) (step 5).

In step 5, when the control means 34 determines that the number N is less than the predetermined determination number threshold TN (NO in S5), the process returns to step 1. In addition, in this step 5, when it is determined that the number N is equal to or greater than the preset determination number threshold TN (YES in S5), the control means 34 transmits the electric blower 31 through the drive means 92 and the triac Tr. ) Is lowered (step 6).

And after this step 6, the control means 34 judges whether the user operated the setting button 22 to stop the electric blower 31 (step 7). In step 7, when the control means 34 determines that the operation to stop the electric blower 31 is not performed (NO in S7), the flow returns to step 7.

In addition, when it determines with the operation which stops the electric blower 31 in this step 7 (YES in S7), the control means 34 is the electric blower 31 through the drive means 92 and the triac Tr. The input is lowered and the electric blower 31 is stopped to clean (step 8).

In addition, in step 6, the fall of the input of the electric blower 31 shall include the case where the input is simply reduced and the case where the electric blower 31 is stopped. Therefore, when stopping the electric blower 31 in step 6, cleaning is complete | finished as it is.

After the cleaning is finished, if a dust or more of a predetermined amount is accumulated in the dust collecting chamber 57 and the dust collecting case 73 of the first separating part 41, the user removes the dust collecting device 26 from the vacuum cleaner main body 13. Discard each dust.

As described above, according to the first embodiment, the amount of dust passing between the filter 83 and the second separation unit 42 is detected by the optical sensor 84, and the detected amount of dust is equal to or greater than a predetermined amount. In this case, the control means 34 controls the input of the electric blower 31 to be lowered, so that clogging occurs in the filter 83 due to the leaked dust, which decreases the suction work rate of the electric blower 31, that is, the performance. In addition to being prevented, the electric blower 31 can be protected.

Next, a second embodiment will be described with reference to FIGS. 6 to 8. In addition, about the structure and effect | action similar to the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

This 2nd embodiment removes the input of the electric blower 31 until it removes the 2nd separating part 42 of the said 1st embodiment from the vacuum cleaner main body 13 (main body case 25), and refits it. It is possible to operate only in the reduced state.

Here, the control means 34 detects the attachment of the 2nd separating part 42 with the micro switch 94 as a mounting detection means. This micro-switch 94 is a normally open switch provided in the cleaner main body 13 (main body case 25) facing the protruding part 33 side from the rear of the 2nd separating part 42, for example. 2 In the state where the separating part 42 is attached to the cleaner main body 13 (main body case 25), it is press-fitted and this 2nd separating part 42 is vacuum cleaner main body 13 (main body case 25). It is comprised so that it may turn off in the state removed from the. Therefore, by turning on and off this micro switch 94, the control means 34 is able to detect the attachment / detachment with respect to the vacuum cleaner main body 13 (main body case 25) of the 2nd separating part 42. As shown in FIG. . For this reason, when the control means 34 returns from the on state to the on state again after the micro switch 94 is turned on, the second separating section 42 is connected to the cleaner main body 13 (body case 25). I think it was remounted.

When the input of the electric blower 31 is lowered in the step 6 of the control of the first embodiment, after the cleaning is completed, the control means 34 sets the microswitch 94 from the on state to the off state That is, whether the second separator 42 has been removed from the cleaner main body 13 (main body case 25) (step 11).

In this step 11, when it is judged that the 2nd separating part 42 is not removed from the vacuum cleaner main body 13 (main body case 25), the control means 34 reduces the input of the electric blower 31. (Step 12). That is, in this case, the electric blower 31 can be restarted only in the state in which the input fell. In addition, in step 6 of the control of the first embodiment, when the electric blower 31 is stopped, restart of the electric blower 31 is not permitted.

In addition, in step 11, when it is judged that the 2nd separating part 42 was removed from the vacuum cleaner main body 13 (main body case 25), the control means 34 will return the micro switch 94 from the off state. It is judged whether or not it has been turned on, that is, whether or not the second separating part 42 is (re) mounted on the cleaner main body 13 (body case 25) (step 13).

In step 13, when it is determined that the second separating part 42 is not (re) mounted on the cleaner main body 13 (main body case 25), the step 13 is repeated to restart the electric blower 31. Do not allow such. In addition, in step 13, when it is determined that the second separating unit 42 is (re) mounted on the cleaner main body 13 (main body case 25), the control means 34 inputs the electric blower 31. The lowering of the value is canceled (step 14).

That is, in this case, when the user restarts the electric blower 31 by operating the setting button 22, the electric blower 31 is started with an input corresponding to the operation mode set by the operated setting button 22. FIG. Let's do it.

As described above, according to the second embodiment, when the dust amount D detected by the optical sensor 84 is equal to or greater than the dust amount threshold value TD, the control means 34 moves the second separating part 42 to the cleaner body ( 13) At least the second separating section 42 by making the electric blower 31 operable (or not restartable) only with the input lowered until it is removed from the body case 25 and remounted. Unless removed from the vacuum cleaner main body 13 (main body case 25), it becomes impossible to operate the electric blower 31 in a desired operation mode.

Therefore, the user can be facilitated to perform maintenance such as disposal of dust accumulated in the dust collecting case 73 by removing the second separating part 42 from the cleaner main body 13 (main body case 25). have.

Next, a third embodiment will be described with reference to FIGS. 9 and 10. In addition, about the structure and effect | action similar to the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

This third embodiment adds a notification means 96 for notifying that the input of the electric blower 31 is lowered to the configuration of the first embodiment.

As the notification means 96, for example, sound generating means for generating a buzzer sound or a predetermined sound stored in advance, light emitting means such as an indicator, display means such as a liquid crystal panel for displaying a character or an image, etc. Can be used, and the operation is controlled by the control means 34.

In addition, although this notification means 96 can be provided in arbitrary positions, for example, in the case of a light emitting means, a display means, etc., it is the upper part of the remote operation part 17 of the pipe | tube part 12, or the vacuum cleaner main body 13, for example. It is preferable to set it as the position which a user who is cleaning, etc. is easy to see.

Instead of step 6 of the first embodiment, the control means 34 reduces the input of the electric blower 31 via the drive means 92 and the triac Tr, and notifies the notification means 96. By this, the user is notified that the input of the electric blower 31 is reduced (step 21).

As described above, according to the third embodiment, when the dust amount D detected by the optical sensor 84 is equal to or larger than the dust amount threshold value TD, the notification means 96 notifies the second separation unit 42. The dust can be more reliably recognized by the user in the dust collecting case 73, so that maintenance such as disposal of dust accumulated in the dust collecting case 73 can be promoted.

In addition, in step 21, the fall of the input of the electric blower 31 shall include the case where the input is simply reduced and the case where the electric blower 31 is stopped.

Next, a fourth embodiment will be described with reference to FIGS. 11 and 12. In addition, about the structure and effect | action similar to said each embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

This 4th Embodiment adds the structure of the micro switch 94 of the said 2nd Embodiment to the structure of the said 3rd Embodiment.

And instead of step 12 of the said 2nd Embodiment, the control means 34 hold | maintains the fall of the input of the electric blower 31, and the notification by the notification means 96, respectively (step 25). That is, in this case, the electric blower 31 can be restarted only in a state where the input is lowered, and in this restart state, the notification means 96 holds the notification. In step 21 of the control of the third embodiment, when the electric blower 31 is stopped, the notification means 96 holds the notification without allowing the restart of the electric blower 31.

In addition, instead of step 14 of the second embodiment, the control means 34 respectively cancels the drop of the input of the electric blower 31 and the notification by the notification means 96 (step 26). That is, in this case, when the user restarts the electric blower 31 by operating the setting button 22, the electric blower 31 is started with an input corresponding to the operation mode set by the operated setting button 22. FIG. In this way, the notification means 96 is in a non-operating state.

As described above, according to the fourth embodiment, when the dust amount D detected by the optical sensor 84 is equal to or greater than the dust amount threshold value TD, the control unit 34 moves the second separating part 42 to the cleaner main body ( 13) At least the second separating section 42 by making the electric blower 31 operable (or not restartable) only with the input lowered until it is removed from the body case 25 and remounted. Unless removed from the vacuum cleaner main body 13 (main body case 25), the electric blower 31 cannot be operated in a desired operation mode, and the notification means 96 is operated by the optical sensor 84. When the detected dust amount D is equal to or larger than the dust amount threshold value TD, the second separation part 42 is removed from the cleaner main body 13 (body case 25), and the notification is continued until the second separation is performed. Removal of dust from the vacuum cleaner main body 13 (main body case 25) of the part 42 and dust dust accumulated in the dust collection case 73 It is possible to more reliably promote the maintenance and the like.

And according to at least one embodiment described above, when the dust amount passing between the filter 83 and the 2nd separating part 42 is detected by the optical sensor 84, and this detected dust amount is more than a predetermined amount. The control means 34 lowers the input of the electric blower 31 so that the dust from the second separating portion 42 caused by excessive accumulation of dust in the dust collecting case 73 of the second separating portion 42. To quickly detect the leakage of dust, suppress the leakage of dust from the second separation part 42 due to the negative pressure of the electric blower 31, and blockage occurs in the filter 83 due to the leaked dust, and the electric blower 31 It is possible to prevent the suction work rate of ie, deterioration in performance.

In particular, dust collecting bags such as paper packs are clogged as dust accumulates, making it difficult to leak dust, whereas in the case of the second separation part 42 separating dust by centrifugation, Since fine thinning tends to leak, by controlling as mentioned above, the bad influence to the electric blower 31 by such excess storage can be prevented reliably.

Moreover, in each said embodiment, you may comprise so that it may feed from the batteries, such as a secondary battery built in the main body case 25 of the vacuum cleaner main body 13, for example.

As the centrifugal separator, not only the plurality of second separation chambers 71 but also a single separation chamber may be used.

In addition, as the dust collector 26, it is not limited to the structure provided with the 1st separator 41 and the 2nd separator 42, It can also be set as the structure which centrifugally separates dust by a single centrifugal separator. .

In addition, the micro switch 94 may be a normally closed switch, as long as the on / off is switched by attaching and detaching the cleaner main body 13 (main body case 25) of the second separating part 42. As the mounting detecting means, any configuration other than the micro switch 94 can be used as long as the attachment / detachment to the vacuum cleaner main body 13 (main body case 25) of the second separating part 42 can be detected. .

Although some embodiments of the present invention have been described, these embodiments have been presented by way of example only, and are not intended to limit the scope of the inventions. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and variations thereof are included in the scope and spirit of the invention, and are included in the inventions described in the claims and their equivalents.

11: electric cleaner
13: cleaner body
31: electric blower
34 control means
42: second separator as centrifuge
83: filter
84: optical sensor as dust amount detecting means
96: means of notification

Claims (4)

As an electric cleaner,
With electric blower,
A centrifugal separator which communicates with the suction side of the electric blower and centrifugally collects dust from the intake containing dust;
A filter located between the suction side of the electric blower and the centrifugal separator;
Dust amount detecting means located between the filter and the centrifugal separator to detect the amount of dust passing therethrough;
And a control means for controlling the input of the electric blower when the amount of dust detected by the amount of dust detection means is equal to or greater than a predetermined amount. The method of claim 1,
It is provided with the vacuum cleaner body which can attach and detach a centrifugal separator,
When the dust amount detected by the dust amount detecting means is equal to or greater than a predetermined amount, the control means enables the electric blower to be operated only in a state where the input is lowered until the centrifugal separator is removed from the cleaner body and remounted. Electric cleaner. The method according to claim 1 or 2,
And a notification means for notifying when the amount of dust detected by the amount of dust detection means is equal to or greater than a predetermined amount. The method of claim 3,
It is provided with the vacuum cleaner body which can attach and detach a centrifugal separator,
And the notification means continues the notification until the dust amount detected by the dust amount detection means is equal to or larger than a predetermined amount until the centrifugal separator is removed from the cleaner body and remounted.

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