CN110494072A

CN110494072A - Electric vacuum cleaner

Info

Publication number: CN110494072A
Application number: CN201780051902.XA
Authority: CN
Inventors: 坪井雅伦; 谷村基树; 松本正士
Original assignee: Sharp Corp
Current assignee: Sharp Corp
Priority date: 2017-03-02
Filing date: 2017-06-26
Publication date: 2019-11-22
Also published as: TW201832711A; TWI662938B; JPWO2018158972A1; WO2018158972A1

Abstract

Electric vacuum cleaner provided by the invention, characterized by comprising: body of dust collector (2) inside sets the electric blowing machine (13) to attract dust and the dust storage chamber (11) to accommodate the dust attracted；Section port body (40) has the suction inlet (41a) of sucking dust；The section port body (40) is connected to the body of dust collector (2) by connecting tube (4)；Driving wheel (26L, 26R) is set to the section port body (40)；Motor (55L, 55R) drives the driving wheel (26L, 26R)；Control unit (54), motor (55L, 55R) described in drive control；Handle (5) is held for user in order to keep；And the input unit that can be inputted；The control unit (54) receives the output from the input unit with the rotation speed of motor described in independent control (55L, 55R), thus changes the moving direction of the section port body (40).

Description

Electric vacuum cleaner

Technical field

The present invention is about electric vacuum cleaner.

Background technique

As prior art of the invention, it is known that following electric vacuum cleaners are equipped with the suction of electric blowing machine and dust storage chamber inside The connection of dirt device ontology has the section port body of the suction inlet of dust, and section port body, having in front makes the section port body side of moving forward To rotation front rotating brush, have rotary shaft in right end and be located at vertical direction relative to front rotating brush and keep section port body past Right side rotating brush that direction rotates is moved right, has rotary shaft in left end and is located at vertical direction relative to front rotating brush and makes to inhale Entrance body is turned left the left side rotating brush of moving direction rotation, when making section port body turn right to advance, the rotation speed of right side rotating brush Higher than left side rotating brush, when making section port body turn left to advance, the rotation speed of left side rotating brush be higher than right side rotating brush (for example, Referring to patent document 1).

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2012-105845 bulletin

Summary of the invention

The technical problems to be solved by the invention

However, though section port body can be made mobile toward all directions of front and left and right directions, having in known electric vacuum cleaner It is difficult to the problem for keeping section port body mobile toward all directions.

The present invention is constituted in view of the above problem, provides and has the input unit that can be inputted and can make to suck by the input The mouth body electric vacuum cleaner mobile toward any direction.

The means solved the problems, such as

Electric vacuum cleaner provided by the invention, it is characterised in that have: body of dust collector is inside set to attract the electronic of dust Pressure fan and the dust storage chamber to accommodate the dust attracted；Section port body has the suction inlet of sucking dust；Connecting tube, will The section port body is connected to the body of dust collector；Driving wheel is set to the section port body；Motor drives the driving wheel；Control unit, The drive control motor；Handle is held for user in order to keep；And the input unit that can be inputted；Control unit reception comes from Thus the output of the input unit changes the moving direction of the section port body with the rotation speed of the independent control motor.

Invention effect

According to the present invention, electric vacuum cleaner has the handle held for user in order to keep and the input unit that can be inputted, control Portion processed receives the output from the input unit with the rotation speed of independent control motor, therefore user can be made with the hand for holding handle The moving direction of the section port body arbitrarily changes.

Detailed description of the invention

Fig. 1 is the stereoscopic figure for indicating the embodiment one of electric vacuum cleaner of the invention.

Fig. 2 is the Inner Constitution explanatory diagram of electric vacuum cleaner shown in FIG. 1.

Fig. 3 is the main portion sectional view for indicating the section port body of electric vacuum cleaner of Fig. 1.

Fig. 4 is the composition for the connecting section for indicating section port body shown in Fig. 3 and the explanatory diagram of flexure operation.

Fig. 5 is the explanatory diagram for indicating the rotational action of connecting section shown in Fig. 4.

Fig. 6 is the circuit diagram for indicating the control system of electric vacuum cleaner of Fig. 1.

Fig. 7 is the explanatory diagram for indicating the operation portion of electric vacuum cleaner of Fig. 1.

Fig. 8 is the figure corresponding with Fig. 6 of the embodiment three of electric vacuum cleaner of the invention.

Fig. 9 is the figure corresponding with Fig. 7 of the embodiment three of electric vacuum cleaner of the invention.

Specific embodiment

Electric vacuum cleaner of the invention, has: body of dust collector, inside set to attract the electric blowing machine of dust with to receive Hold the dust storage chamber of the dust attracted；Section port body has the suction inlet of sucking dust；Connecting tube connects the section port body In the body of dust collector；Driving wheel is set to the section port body；Motor drives the driving wheel；Control unit, the drive control motor； Handle is held for user in order to keep；And the input unit that can be inputted；The control unit receive the output from the input unit with Thus the rotation speed of the independent control motor changes the moving direction of the section port body.

Preferably, which has the connecting section for the front end for connecting the connecting tube；The connecting section, has: curved Bent mechanism part, by connecting tube support at can be bent along the direction of advance of the section port body；And rotating mechanism portion, it will be bent The connecting tube support at can relative to the section port body direction of advance toward left and right directions rotate；The input unit has detection and sets The sensor of the rotational angle of the connecting tube near the rotating mechanism portion.

The control unit can also make the rotation of the motor when the sensor detects the rotational angle more than prescribed limit Speed is different.

The control unit can also be such that the size of the rotation speed of the motor becomes according to the size of the detection angles of the sensor Change.

The input unit can also have manual switch, which is located near the handle, carry out to the control unit Input is so that the rotation speed of the motor changes.

Hereinafter, using embodiment shown in schema, the present invention will be described in detail.The present invention is not limited to following embodiments.

(embodiment one)

Fig. 1 is the stereoscopic figure for indicating the embodiment one of electric vacuum cleaner of the invention, and Fig. 2 is electric vacuum cleaner shown in FIG. 1 Inner Constitution explanatory diagram.

The overall structure > of < electric vacuum cleaner

As shown in Figure 1, electric vacuum cleaner 1 has body of dust collector 2, section port body 40, body of dust collector 2 is tightly connected in sucking The connecting tube (extension) 4 of mouth body 40.

Body of dust collector 2 has the handle 5 that operator grasps, is located at handle 5 and with switches such as starting/stoppings Operation portion 6, the root member end for accommodating connecting tube 4 and the interconnecting piece 7 separatably connected.

The front end of connecting tube 4 be equipped with interconnecting piece 9, interconnecting piece 9 accommodate section port body 40 connecting section 42 upper end and Separatably connect.

In addition, connecting section 42, as be described hereinafter, have can make connecting tube 4 relative to section port body 40 toward front-rear direction at 90 degree The curved mechanism of angular range.

In addition, as shown in Fig. 2, being arranged to removable dust storage chamber 11 in body of dust collector 2, being located under dust storage chamber 11 It swims the dust strainer 12, electric blowing machine 13, connection dust strainer 12 of side and the ventilating path 14 of electric blowing machine 13, be located at electricity The exhaust flow path 37 in the downstream of dynamic pressure fan 13 and the flow path 39 that will be connected between interconnecting piece 7 and dust storage chamber 11.

In addition, in the applicable well known cyclone manner person of dust storage chamber 11.In addition, removably being loaded in body of dust collector 2 There is battery 17.

Fig. 1, Fig. 2 indicate the state that electric vacuum cleaner 1 is stood on ground.It is, making connecting tube 4 and the angle of ground F slightly Micro- to be greater than 90 degree, the center of gravity of body of dust collector 2 is in the equilibrium state for making electric vacuum cleaner 1 stand relative to ground F.

The composition > of < section port body

Fig. 3 is the main portion sectional view for indicating the section port body of electric vacuum cleaner of Fig. 1.As shown, section port body 40 has There is the self-box 41 for the bottom surface 50a for being equipped with the suction inlet 41a extended toward left and right directions (direction arrow A), be connected to self-box 41 The connecting section 42 at rear portion is rotatably supported at the rotary shaft 20 extended toward left and right directions in the suction inlet 41a of self-box 41 Rotating brush 43 and driving rotating brush 43 rotate rotating brush motor 58.

It is located at the big of the path pulley 23 of the output shaft 22 of rotating brush motor 58 and the output shaft 20 for being located at rotating brush 43 Diameter pulley 24 passes through band body 25 and combines, and rotating brush is transferred to rotating brush 43 with the rotary force of motor 58.

In the bottom surface of self-box 41 50, further in the left and right end at 43 rear of rotating brush, the driving wheel 26L and 26R of left and right Respectively by through opening 27L and 27R towards the part ground F (Fig. 2) it is outstanding in a manner of be set.

The driving wheel for respectively driving driving wheel 26L and 26R is existed with motor 55L and 55R through speed reducer 30L and 30R setting Bottom surface 50, each output shaft of speed reducer 30L and 30R are respectively with the drive shaft 28L and 28R for being driving wheel 26L and 26R.In addition, driving Driving wheel is configured to be arranged in drive shaft 28L on a straight line parallel with rotating brush 43 with 28R with 55R with motor 55L.

In addition, being equipped in the center of self-box 41 toward the elongated extension of front-rear direction and by suction inlet 41a and connecting section 42 The attraction flow path 16 of connection.In addition, connecting section 42, as be described hereinafter, have be connected to connecting section 42 connecting tube 4 (Fig. 1, Fig. 2) toward the rotating mechanism portion 81 in front and back curved bending mechanism portion 80 and past left-right rotation.

In addition, being equipped with a pair of of rear wheel 36L and 36R at the rear portion of self-box 41.Rear wheel 36L and 36R is each vehicle Axis and bottom surface 50 are supported for 360 degree of independent wheels rotated freely in parallel, as be described hereinafter, keep self-box 41 with swimmingly into It converts in the direction for the section port body 40 that row driving wheel 26L and 26R is carried out.

The bending of < connecting section/rotating mechanism >

Fig. 4 is the side view of the composition for the connecting section 42 for indicating section port body 40 shown in Fig. 3 and the suction inlet of flexure operation, Fig. 5 is the rearview for indicating the section port body of rotational action of connecting section 42 shown in Fig. 4.

As shown in figure 4, connecting section 42 is connect at the rear portion of section port body 40, through bending mechanism portion 80 with rotating mechanism portion 81 In attraction flow path 16.

Moreover, bending mechanism portion 80, as shown in figure 4, supporting Cheng Kecong substantially vertical relative to ground F connecting section 42 Posture to towards the approximate horizontal posture in rear, namely can angle, θ (about 90 degree) range toward front-rear direction be bent.

In addition, rotating mechanism portion 81, as shown in figure 5, the appearance for supporting Cheng Kecong vertical relative to ground F connecting section 42 Gesture (along the position of vertical line CL) arrives approximate horizontal posture, namely from the rotational angle θ of the left and right directions of vertical line CL L, θ R is rotated until respectively becoming about 90 degree.In addition, the construction about bending mechanism portion 80 and rotating mechanism portion 81, in the present invention Technical field be known, therefore detailed description will be omitted.

In addition, as shown in Figures 3 and 4, being equipped with detecting connecting section 42 from the past left and right vertical line CL in rotating mechanism portion 81 The rotation detection sensor 67 of the rotary state in direction.

The composition > of < control system

Fig. 6 is the circuit diagram for indicating the control system (control circuit) of the electric vacuum cleaner of Fig. 1.

As shown, this control circuit by having the control unit 54 for the micro computer that CPU51, ROM52, RAM53 are constituted, to control unit 54 The operation portion 6 of input operation signal, the driving wheel motor that the driving wheel 26L, 26R that control are respectively driven to unit control The motor driver circuit 57 of 55L, 55R drive the motor driver of the rotating brush motor 58 of rotating brush 43 electric to control Road 59 is assembled in the motor driver circuit 92 of the pressure fan motor 70 of electric blowing machine 13, will come from battery 17 to control The power switch 62 for supplying power to control circuit, to sensor 67 carry out drive control 66 structure of sensor control unit At.

Electric power is controlled from battery 17 supplied to motor driver circuit 57,59,92, control unit 54, operation portion 6, sensor After unit 66, control unit 54 receives the output from operation portion 6 and sensor 67 to control motor driver circuit 57,59,92.

Sensor 67, it is such as above-mentioned to be located at rotating mechanism portion 81 (referring to Fig. 3, Fig. 4), in present embodiment, as sensor 67, be applied in combination rotational angle θ L of the connecting section 42 (namely connecting tube 4) shown in fig. 5 from vertical line CL toward left direction at The switch that is then connected for θ L≤Δ θ (in present embodiment, Δ θ=10 degree), become with the rotational angle θ R toward right direction θ R≤ The switch that Δ θ is then connected.In addition, this switch is other than mechanical switch, it is preferable to use light breaker or magnet proximity switch Deng.

Fig. 7 is the explanatory diagram for being located at the operation portion 6 of handle 5 (Fig. 1).As shown, being equipped with starting/stopping in operation portion 6 Switch 63, and power switch 62 (Fig. 6) is set together.

The movement > of < electric vacuum cleaner

The electric vacuum cleaner 1 constituted in the above described manner is arranged at ground as shown in Figure 1, and user holds handle from 1 rear of electric vacuum cleaner When hand 5 draws connecting tube 4 toward front, connecting tube 4, can be toward back sweep and user's body because of the effect of bending mechanism portion 80 (Fig. 4) High corresponding angle, such as 20 to 40 degree degree.

Therefore, the power switch 62 of user's pushing operation portion 6 (Fig. 7) become ON, press starting/stopping switch 63 become " Start " after, driving wheel motor 55L, 55R, pressure fan motor 70 and rotating brush motor 58 start to drive.

Therefore, section port body 40 automatically begins to advance, while rotating brush 43 rotates, and electric blowing machine driving starts to clean and make Industry.By the dust on ground in the rotary collecting of rotating brush 43, as shown in Fig. 2, dust together with air from suction inlet 41a via suction Drainage road 16, connecting tube 4 and flow path 39 are attracted toward dust storage chamber 11.

Air comprising the dust being attracted toward dust storage chamber 11, is filtered, only peace and quiet air by dust strainer 12 It is discharged from electric blowing machine 13 via exhaust flow path 37 toward external via flow path 14.

On the other hand, the bottom of dust storage chamber 11 is concentrated on because gravity is fallen by the dust of 12 supplementary set of dust strainer.Dust storage chamber When 11 collection dust quantity reaches maximum allowable amount, operator removes dust storage chamber 11 from body of dust collector 2, discards the dirt of concentration Angstrom.In addition, not falling and being attached to the subtle dust of dust strainer 12 from dust strainer 12, waited by cleaning from dust strainer 12 It is removed.

In cleaning work, user by the inclination of connecting tube 4 maintain from vertical line CL (Fig. 5) toward 10 degree of left and right directions (± 10 degree) within range when, driving wheel 26L, 26R with identical rotation speed toward the same direction rotate, suction inlet 40 straight advance.

Then, when connecting tube 4 is tilted more than 10 degree of angle toward left direction from vertical line CL (Fig. 5) by user, sensor 67 detect this state and input control portion 54, control unit 54 control motor driver 57 so that driving wheel 26L rotation speed compared with The rotation speed of driving wheel 26R is low.

Section port body 40 is rotated toward left direction as a result, radius of turn size and driving wheel 26L, the difference of the rotation speed of 26R It is inversely proportional.Then, when user makes the inclination of connecting tube 4 return to the range within 10 degree relative to vertical line CL (Fig. 5), driving wheel Again with the rotation of identical rotation speed, suction inlet 40 advances straight by 26L, 26R.

Then, when connecting tube 4 is tilted more than 10 degree of angle toward right direction from vertical line CL (Fig. 5) by user, sensor 67 detect this state and input control portion 54, control unit 54 control motor driver 57 so that driving wheel 26R rotation speed compared with The rotation speed of driving wheel 26L is low.

Section port body 40 is rotated toward right direction as a result,.Then, user makes the inclination of connecting tube 4 relative to vertical line CL (figure 5) when returning to the range within 10 degree, again with the rotation of identical rotation speed, suction inlet 40 advances straight by driving wheel 26L, 26R.

As above-mentioned, as long as the operator hand for holding handle 5 makes connecting tube 4 toward tilting, section port body 40 can be made past Any direction operating, therefore the workability of electric vacuum cleaner is promoted.

At the end of cleaning work, the starting/stopping switch in operator pushing operation portion 6 (Fig. 7) becomes " stopping ".By This, driving wheel 26L, the spinning movement of walking motion, rotating brush 43 that 26R is carried out and the suction action of suction inlet 41a stop.Cause This, the power switch 62 in operator pushing operation portion 6 becomes OFF, and electric vacuum cleaner 1 returns to Fig. 1 and posture shown in Fig. 2, again It stands on the F of ground, cleaning work terminates.

(embodiment two)

In embodiments of the present invention two, the sensor 67 (referring to Fig. 3, Fig. 4) of embodiment one uses measurement company shown in fig. 5 Angular transducer of the adapter tube portion 42 relative to the rotational angle of the left and right directions of vertical line CL, control unit 54 control driving wheel and use horse Up to 55L, 55R, so that the difference of the rotation speed of the driving wheel of left and right is directly proportional to the size of rotational angle of measurement, other structures At identical as embodiment one.In addition, angular transducer can use rotary encoder or position instrument etc..

Therefore, in present embodiment, in cleaning work, rotation of the user by connecting tube 4 relative to vertical line CL (Fig. 5) When angle, θ L, θ R are maintained into θ L=θ R=0, driving wheel 26L, 26R are rotated with identical rotation speed toward the same direction, suction inlet 40 It is straight to advance.

Then, user makes connecting tube 4 tilt relative to vertical line CL (Fig. 5) toward left direction, namely make connecting section 42 Turn left when rotating, sensor 67 detects its rotational angle θ L and input control portion 54, control unit 54 control motor driver 57 with Make rotation speed of the rotation speed of driving wheel 26L compared with driving wheel 26R down to the rotation speed directly proportional to θ L.

Section port body 40 is rotated toward left direction as a result, radius of turn size and driving wheel 26L, the difference of the rotation speed of 26R It is inversely proportional, becomes smaller as θ L is bigger.Therefore, user can be adjusted by adding and subtracting the size of the inclination (angle of rotation θ L) of connecting tube 4 Section port body 40 toward left direction rotation angle size.

User keeps connecting tube 4 also identical when tilting relative to vertical line CL (Fig. 5) toward right direction, can pass through and add and subtract connecting tube The size of 4 inclination (angle of rotation θ R) adjust section port body 40 toward right direction rotation angle size.

Then, user make connecting tube 4 return with the corresponding position vertical line CL (Fig. 5) when, driving wheel 26L, 26R again with Identical rotation speed rotation, suction inlet 40 advance straight.

As above-mentioned, as long as the operator hand for holding handle 5 makes connecting tube 4 turn left right-oblique angle change, can make to inhale Entrance body 40 is arbitrarily to rotate angle rotation, therefore the operation of section port body 40 is easy, and the workability of electric vacuum cleaner is promoted.

(embodiment three)

Fig. 8 is the figure corresponding with Fig. 6 of embodiment of the present invention three, and Fig. 9 is the corresponding with Fig. 7 of embodiment of the present invention three Figure.Present embodiment removes Fig. 4 and sensor shown in fig. 6 67 and sensor control unit shown in fig. 6 from embodiment one 66, Fig. 1, Fig. 6 and operation portion shown in Fig. 76 are replaced with operation portion 6a shown in Fig. 9.

Operation portion 6a shown in Fig. 9, in addition to power switch 62 identical with embodiment one and starting/stopping switch 63 Outside, left button switch 61L and right button switch 61R are additionally provided with.

Then, control unit 54 (Fig. 8) controls motor driver circuit 57, the phase being pressed accordingly in left button switch 61L Between, the rotation speed of driving wheel 26L regulation rotation speed low compared with the rotation speed of driving wheel 26R, and in right button switch 61R quilt During pressing, the rotation speed of driving wheel 26R regulation rotation speed low compared with the rotation speed of driving wheel 26L.Other constitute with Embodiment one is identical.

Therefore, in present embodiment, in cleaning work, user does not all press left button switch 61L and right button switchs When 61R, driving wheel 26L, 26R are rotated with identical rotation speed toward the same direction, and suction inlet 40 advances straight.

Then, when user is with the hand pressing left button switch 61L for holding handle 5, during Continued depression, control unit 54 Motor driver circuit 57 is controlled, so that the rotation speed of driving wheel 26L is low compared with the rotation speed of driving wheel 26R.

Section port body 40 is rotated toward left direction as a result, radius of turn size and driving wheel 26L, the difference of the rotation speed of 26R It is inversely proportional.Then, when user does not press left button switch 61L, driving wheel 26L, 26R with the rotation of identical rotation speed, inhale again Entrance 40 advances straight.

Then, when user is with the hand pressing right button switch 61R for holding handle 5, during Continued depression, control unit 54 Motor driver circuit 57 is controlled, so that the rotation speed of driving wheel 26R is low compared with the rotation speed of driving wheel 26L.

Section port body 40 is rotated toward right direction as a result,.Then, when user does not press right button switch 61R, driving wheel 26L, Again with the rotation of identical rotation speed, suction inlet 40 advances 26R straight.

As above-mentioned, as long as operator is opened with the left button switch 61L or right button of the hand press operating part 6a for holding handle 5 Any one for closing 61R can make section port body 40 walk toward any direction, therefore the moving operation of section port body 40 is easy, and electricity is inhaled The workability of dirt device is promoted.

Description of symbols

1 electric vacuum cleaner, 2 body of dust collector, 4 connecting tubes, 5 handles, 6 operation portions, 7 interconnecting pieces, 9 interconnecting pieces, 11 dust storage chambers, 12 dust strainers, 13 electric blowing machines, 14 ventilating paths, 16 attract flow path, 17 batteries, 20 rotary shafts, 22 output shafts, 23 paths Pulley, 24 major diameter pulleys, 25 band bodies, 26L, 26R driving wheel, 27L, 27R opening, 28L, 28R drive shaft, 30L, 30R speed reducer, 36L, 36R rear wheel, 37 exhaust flow paths, 39 flow paths, 40 section port bodies, 41 self-box, 41a suction inlet, 42 connecting section, 43 Rotating brush, 50 bottom surfaces, 51CPU, 52ROM, 53RAM, 54 control units, 55L, 55R driving wheel motor, 57 motor drivers electricity Road, 58 rotating brush motors, 59 motor driver circuits, 62 power switches, 63 starting/stopping switchs, 67 sensors, 70 air-supplies Machine motor, 80 bending mechanism portions, 81 rotating mechanism portions, 92 motor driver circuits, CL vertical line, the ground F.

Claims

1. a kind of electric vacuum cleaner characterized by comprising body of dust collector, inside set to attract the electric blowing machine of dust with To accommodate the dust storage chamber of the dust attracted；Section port body has the suction inlet of sucking dust；Connecting tube, by the sucking Mouth body is connected to the body of dust collector；Driving wheel is set to the section port body；Motor drives the driving wheel；Control unit, Motor described in drive control；Handle is held for user in order to keep；And the input unit that can be inputted；The control unit receives Thus output from the input unit makes the moving direction of the section port body with the rotation speed of motor described in independent control Variation.

2. electric vacuum cleaner according to claim 1, which is characterized in that the section port body has the connection connecting tube The connecting section of front end；The connecting section includes: bending mechanism portion, by connecting tube support at can be along the suction inlet The direction of advance of body is bent；And rotating mechanism portion, by curved connecting tube support at can be relative to the section port body Direction of advance toward left and right directions rotate；The input unit has the connecting tube that detection is located near the rotating mechanism portion Rotational angle sensor.

3. electric vacuum cleaner according to claim 2, which is characterized in that the control unit detected in the sensor be more than When the rotational angle of prescribed limit, keep the rotation speed of the motor different.

4. electric vacuum cleaner according to claim 2, which is characterized in that detection angle of the control unit according to the sensor The size of degree makes the size variation of the rotation speed of the motor.

5. electric vacuum cleaner according to claim 1, which is characterized in that the input unit has manual switch, described manual Switch is located near the handle, is inputted to the control unit so that the rotation speed of the motor changes.