CN101666021A - Drum type washing machine - Google Patents
Drum type washing machine Download PDFInfo
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- CN101666021A CN101666021A CN200910170711A CN200910170711A CN101666021A CN 101666021 A CN101666021 A CN 101666021A CN 200910170711 A CN200910170711 A CN 200910170711A CN 200910170711 A CN200910170711 A CN 200910170711A CN 101666021 A CN101666021 A CN 101666021A
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Abstract
The invention relates to a drum type washing machine. The invention provides a drum type washing machine with vibration reduced during resonance in the dehydration starting. The drum type washing machine (A) comprises a water tank (3) which supported by a spring (16) and an absorber (7) inside the frame (1), a washing tank (4) rotatably disposed in the water tank (3) for receiving clothes (W), anda motor (5) for driving the washing tank (4) to rotate. A fluid balancer (10) is loaded on the washing tank (4). When the rotation speed is lower than the resonance rotation speed, position of the fluid balancer on the side of the fluid is detected, timing is estimated and the speed is brought up so that the fluid balancer passes through the resonance. When passing through the resonance, positionof the fluid balancer on the side of fluid is on the opposite side of the unbalanced position of the clothes (W), therefore the unbalance of the entire rotation body can be reduced, and vibration canbe reduced.
Description
Technical field
The present invention relates to tumbling-box washing machine, in more detail, relate to the antihunting device that can carry out the tumbling-box washing machine of quiet dehydration.
Background technology
General tumbling-box washing machine is by constituting with lower member: the interior tank of framework that flexibly is supported on washing machine, the sink that in this tank, makes the relative horizontal plane of rotating shaft tilt about 0～30 ° angle and rotatably be provided with, and be arranged on the rear portion of tank and drive the motor that this sink rotates.The peristome that this use in washing machine is come in and gone out in clothing is arranged on the front of framework.
When washing clothes, clothing is put into sink wash.In order to make the cloth drying after this washing at short notice, before making cloth drying, need from clothing, remove as far as possible moisture.So this sink has many apertures in the side, make sink with at a high speed rotation, utilize centrifugal force to make the moisture of clothing flow out to centrifugal dehydration outside the sink from these holes.
When carrying out centrifugal dehydration, it is difficult that clothing is distributed in the sink equably, and clothing has produced the unbalanced of clothing.If sink is rotated at a high speed, then produce big vibration in this state because of producing big centrifugal force.In order to reduce this vibration, fluid balancer is fixed on the front of sink.
So-called fluid balancer is the hollow ring that has basic identical diameter with sink, wherein is sealed with liquid.When sink when rotating at a high speed, this liquid focus on sink in the opposite side of unbalanced position of clothing, its effect has been offset this unbalanced.Like this, the inequality of the clothing in the sink is cancelled, and vibration is alleviated.
But the liquid that can not in this fluid balancer is trapped in a place, if possess certain condition, then liquid vibration sometimes itself makes the sink vibration on the contrary.
Therefore, fluid balancer is provided with a plurality of dividing plates in hollow annulus, and the mobile resistance of giving to liquid makes it not cause vibration.Yet fluid balancer is when low speed rotation, and liquid does not have the characteristic that focuses on the opposite side of the unbalanced position of clothing, and flows with the state by a side in annulus.When this liquid that leans on a side is positioned at the position of an opposite side mutually with the unbalanced position of clothing, vibrate very for a short time, but when being positioned at the same side, then have very big and so on the problem of vibration.Have again, be positioned under the state of the same side with the unbalanced position of clothing, when the rotary speed zone by tank resonance, then have the problem that becomes increasing and so on of vibrating in position by the liquid of a side.
Above prior art is referring to patent documentation 1-TOHKEMY 2005-348804 communique.
Therefore, in order to eliminate the problems referred to above, do not have opening at the outer circumferential side of dividing plate, in addition, be hook-shaped outstanding next door in interior all side utilizations and form a plurality of balance cylinders, utilize this balance cylinder can keep liquid as the fluid balancer of the tumbling-box washing machine of patent documentation 1.And, by the stage before the rotary speed zone of tank resonance, make liquid remain on an opposite side of the unbalanced position of clothing, make its rotary speed zone under this state by resonance.
Yet, with regard to the imbalance of clothing, even so that rotation state sometimes is also inequality at a high speed, the problem of vibration increase when existence is rotated with high speed and so on.
Summary of the invention
So, the present invention is exactly the technical scheme that proposes for the problem of eliminating the prior art existence, its purpose be to provide a kind of can reduce because of fluid balancer bring pass through resonance the time the increase of tank vibration, the tumbling-box washing machine that can both dewater reposefully when high speed is rotated and during low speed rotation.
In order to realize the foregoing invention purpose, tumbling-box washing machine of the present invention, the occasion of dewatering in that motor is rotated at a high speed, the rotary speed of sink is for being close to rotary speed height (soon) on the sink than clothing, and when producing the rotary speed of rotary speed low (slowly) of resonance than tank, in the state of the liquid in monitoring fluid balancer, with predetermined timing the rotary speed of sink is quickened, and made it by producing the rotary speed zone of resonance.
Specifically, in the rotary speed of sink when making tank produce the low rotary speed of the rotary speed of resonance, be in essentially identical position in the unbalanced position of clothing and the liquid in the fluid balancer, perhaps liquid is compared with the unbalanced position of clothing and is made its acceleration when being in respect to the slower state of direction of rotation and by the resonance rotational speed zone.
In addition, the occasion of dewatering in that motor is rotated at a high speed when the position of the liquid in fluid balancer is the position of regulation, quickens the rotary speed of sink.
In addition, the occasion of dewatering in that above-mentioned motor is rotated at a high speed when at least one in the change of the vibration amplitude of above-mentioned sink, the change of motor current and rotary speed is the state of regulation, quickens the rotary speed of above-mentioned sink.
The mechanism of judging these states is, when making tank produce the low rotary speed of the rotary speed of resonance, detects the vibration of tank in the rotary speed of sink, and is constant basically when big in vibration, then quickens when the vibration before perhaps vibrating specific rotation and turning around diminishes.
In addition, as other mechanism be, in the rotary speed of sink when making tank produce the low rotary speed of the rotary speed of resonance, measure the change of the rotary speed of sink, basic identical in the change of rotary speed with the change of revolving the rotary speed turning around before, or specific rotation turns around and then quickens when the change of preceding rotary speed diminishes.
In addition, be when rotary speed is lower than resonance rotational speed, to measure the change of motor current value as other mechanism, basic identical in the change of current value with the change of revolving the current value turning around before, or specific rotation turns around and then quickens when the change of preceding current value diminishes.
Effect of the present invention is, according to tumbling-box washing machine of the present invention, can reduce because of fluid balancer bring pass through resonance the time the increase of tank vibration, can both dewater reposefully when rotating at a high speed and during low speed rotation.
Description of drawings
Fig. 1 is the in-built concise and to the point side view with part section of the tumbling-box washing machine of expression embodiments of the present invention.
Fig. 2 is the in-built concise and to the point front view with part section of the tumbling-box washing machine of expression embodiments of the present invention.
Fig. 3 is the block diagram of the tumbling-box washing machine of expression embodiments of the present invention.
Fig. 4 is the outside drawing of fluid balancer of the tumbling-box washing machine of expression embodiments of the present invention.
Fig. 5 is the amplification stereogram of in-built pith of fluid balancer of the tumbling-box washing machine of expression embodiments of the present invention.
Fig. 6 is the amplification stereogram of pith of variation of fluid balancer of the tumbling-box washing machine of expression embodiments of the present invention.
Fig. 7 is the curve map of rotary speed pattern of the sink of tumbling-box washing machine when dehydration starting of expression embodiments of the present invention.
Fig. 8 is the flow chart of control of rotary speed of the sink of tumbling-box washing machine when dehydration starting of expression embodiments of the present invention.
Fig. 9 be the expression embodiments of the present invention tumbling-box washing machine when rotating with 110rpm rotary speed and the curve map of time relation.
Figure 10 is the change of the rotary speed of tumbling-box washing machine when rotating with 110rpm of expression embodiments of the present invention and the curve map of time relation.
Figure 11 be the tumbling-box washing machine of expression embodiments of the present invention at sink by the change of the rotary speed in when resonance and the curve map of time relation.
Figure 12 is the ideograph of the relation of position and the liquid of the weight of representing with solid line of the expression Figure 11 position of leaning on a side, A1 represents is the position of weight of some A1 of Figure 11 and the liquid relation by the position of a side, A2 represents is the position of weight of some A2 of Figure 11 and the liquid relation by the position of a side, and A3 represents is state from the A2 state when quickening.
Figure 13 is the ideograph of the relation of position and the liquid of the weight that dots of the expression Figure 11 position of leaning on a side, B1 represents is the position of weight of some B1 of Figure 11 and the liquid in the fluid balancer relation by the position of a side, B2 represents is the position of weight of some B2 of Figure 11 and the liquid relation by the position of a side, and B3 represents is state from the B2 state when quickening.
Figure 14 is the unbalanced position of the clothing in the sink of tumbling-box washing machine of expression embodiments of the present invention and liquid in the fluid balancer leans on the ideograph of relation of the position of a side.
Figure 15 is the curve map that becomes the scope of quickening each change value regularly of the tumbling-box washing machine of expression embodiments of the present invention.
Figure 16 is the flow chart that the acceleration of the tumbling-box washing machine of embodiments of the present invention is regularly judged.
Figure 17 is the flow chart that the acceleration of the tumbling-box washing machine of embodiments of the present invention is regularly judged.
Figure 18 is the key diagram that becomes the scope of quickening the position of leaning on a side regularly of the tumbling-box washing machine of expression embodiments of the present invention.
Figure 19 is the curve map that becomes the scope of quickening each change value regularly of the tumbling-box washing machine of expression embodiments of the present invention.
Among the figure:
The 1-framework, 2-door, 3-tank, 4-sink, the 5-motor, 6-bellows, 7-damper, 8-bead, the 9-rotating shaft, 10-fluid balancer, 11-water supply unit, 12-feed water inlet, the 13-feed water valve, 14-detergent box, 21-circuit board, 22-vibrating sensor, 25-motor current value measurement mechanism, 28-microcomputer, 29-motor drive circuit, 31-rotary speed testing agency, the 32-clock, A-washing machine (tumbling-box washing machine), W-clothing.
The specific embodiment
Below use Fig. 1～Figure 19 that embodiments of the present invention are described.
Fig. 1 is the in-built concise and to the point side view with part section of the tumbling-box washing machine of expression embodiments of the present invention.Fig. 2 is the in-built concise and to the point front view with part section of the tumbling-box washing machine of expression embodiments of the present invention.
The invention is not restricted to tumbling-box washing machine A, though also can be applicable to the drum-type washing drying machine of the drying device that has carried heater and fan etc., following is that example describes with the tumbling-box washing machine A that does not have drying device still.
The structure of tumbling-box washing machine at first, is described.
As depicted in figs. 1 and 2, tumbling-box washing machine A is provided with the input port 1a that puts into or take out clothing in the front of the framework 1 of this tumbling-box washing machine A, washs from the device of the clothing W of input port 1a input by the sink 4 that is roughly drum-shape is rotated obliquely.Tumbling-box washing machine A possesses; To distinguish framework 1 described later, door 2, tank 3, water supply unit 11, sink 4, motor 5, circuit board 21 and fluid balancer 10.
Secondly, the structure of framework is described.
As shown in Figure 1, framework 1 forms the face shaping of tumbling-box washing machine A, and is to hold the formation parts of tumbling-box washing machine A and keep their shell, makes the roughly shape of box-shaped.The front of this framework 1 tiltedly forms with roughly half inclination that makes progress slightly of upside, and, forming above-mentioned input port 1a, roughly half inclination slightly downwards of downside tiltedly forms.In the inboard of framework 1, consistent with the inclination of input port 1a, make by level downward-sloping 0 °～30 ° of input port 1a sides up, configuration bellows 6, tank 3, sink 4, rotating shaft 9 and motor 5.Top in framework 1 is provided with water supply described later unit 11 and secondary spring 17,18 respectively.Bottom in framework 1 is provided with vibrating sensor 22 described later, circuit board 21, damper 7, spring 16, draining valve 19 and scupper hose 20 respectively.
Below, the door and the structure of input port are described.
The structure of tank then, is described.
As shown in Figure 1, tank 3 is in washing with during rinsing, injects the water jacket of the drum-shape of the water that uses and temporary transient storage, by input port 1a side opening the round-ended cylinder that has constitute.On the bottom surface, rear portion of tank 3, an end is fixed with sink 4, and the other end is fixed with the bead 8 that supports the rotating shaft 9 that is provided with motor 5.In the inboard of tank 3, by this rotating shaft 9 is supported on the bead 8, above-mentioned rotating shaft 9 is fixed on sink 4 on the bottom surface, rear portion thereby have with revolvable state folding and unfolding.Like this, sink 4 and motor 5 are installed on tank 3.
The structure of damper then, is described.
Above-mentioned damper 7 is the buffer units that are used at lower face with tank 3 flexibly is supported on framework 1 the interior end, for example, and two (with reference to Fig. 2) of configuration on tank 3.Dispose the spring 16 that constitutes by compression helical spring that is used for absorbing impact at the downside of this damper 7.Two dampers 7 see that from the front upper end is installed in symmetrical basically two positions, bottom (with reference to Fig. 2) of this low tank 3 respectively, the lower end be installed in framework 1 inner bottom surface about.
Below, the structure of secondary spring is described.
As shown in Figure 1, secondary spring the 17, the 18th is used for that top with tank 3 makes progress that layback is stretched and is arranged on the top board face upper spring parts of framework 1 with the state that hangs, and is made of two draft helical springs.Secondary spring 17 its upper end fastenings are near the central authorities of the top board face of framework 1, and its bottom is formed on the upper central rearward end of tank 3.Secondary spring 18 its upper end fastenings near the central authorities of the top board face of framework 1, its bottom fastening leading section after the upper central of tank 3.The spring constant of secondary spring 17,18 is in a ratio of less value with the spring 16 that is set up in parallel with above-mentioned damper 7.
The structure of vibrating sensor then, is described.
Vibrating sensor 22 is the sensors that detect the vibration of tank 3, is arranged on the following central leading section (with reference to Fig. 2) of tank 3.This vibrating sensor 22 is made of the sensor of the acceleration that for example detects tank 3.Vibrating sensor 22 is connected (with reference to Fig. 3) on the microcomputer 28.The output signal of the vibration of these vibrating sensor 22 detected tanks 3 is sent to microcomputer 28, and is monitored the change (with reference to Fig. 3) of the vibration of tank 3 by microcomputer 28.In addition, vibrating sensor 22 also can be the type that detects the displacement of tank 3.
The structure of water supply unit then, is described.
As shown in Figure 1, water supply unit 11 is the unit that are used for supplying with to tank 3 water when washing with rinsing with tumbling-box washing machine A.The structure of water supply unit 11 comprises: the feed water inlet 12 of supply running water etc.; The feed water valve 13 that is used for the above-mentioned feed water inlet 12 of switch; Drop into the detergent box 14 of washing agent; And one end be connected to feed water valve 13 by detergent box 14, the other end is connected to the flexible pipe 15 on the top of sink 4.Therefore, employed water is injected into the inside of tank 3 by feed water inlet 12, feed water valve 13, detergent box 14, undulatory flexible pipe 15 when washing with rinsing with tumbling-box washing machine A.
Below, the structure of draining valve and scupper hose is described.
Lowest end at above-mentioned tank 3 is formed for the water in the tank 3 is discharged to outside water discharge outlet (diagram is omitted).The draining valve 19 that will be used to open and close water discharge outlet is contained between this water discharge outlet and the scupper hose 20, and scupper hose 20 is arranged to external communications with framework 1.Therefore, with tumbling-box washing machine A wash with rinsing after water and the water in when dehydration outside that is discharged to framework 1 from the water discharge outlet of the bottom of tank 3 by draining valve 19 and scupper hose 20.
The structure of sink then, is described.
As shown in Figure 1, above-mentioned sink 4 is the inside grooves that hold the clothing W of washing, forms the drum-shape that the round-ended cylinder shape is arranged that an end has peristome 4a.On sink 4, have many water at the hole of the inside and outside circulation of sink 4 4b.Inside at sink 4 is provided with: be arranged on the fluid balancer described later 10 of the inner peripheral of peristome 4a, and be arranged on the lifter 4c that is used to promote clothing W on the inwall.Be arranged between the peripheral part of sink 4 and the tank 3 and can be rotated by means of suitable space.Sink 4 is made, and is connecting rotating shaft 9 in its bottom center, and by the rotation of motor 5, making it is the center rotation with this rotating shaft 9.
The structure of motor then, is described.
Above-mentioned motor 5 is the drive sources that make sink 4 rotation, utilizes carriage (omitting diagram) to be fixed on the bead 8 at the back side of sink 4.Tumbling-box washing machine A by make sink 4 along with motor 5 rotate and reverse also in tank 3 around left wash to rotating with the right either direction, rinsing and dehydration.Motor 5 is connected (with reference to Fig. 3) with power supply 30 with microcomputer 28 by motor drive circuit 29.The current value of this motor 5 is measured by motor current value measurement mechanism 25 (with reference to Fig. 3).The measuring-signal of the current value of the motor 5 that this motor current value measurement mechanism 25 records is transferred to microcomputer 28, and by the change (with reference to Fig. 3) of microcomputer 28 monitoring motor current values.
Below, the structure of rotating shaft is described.
Above-mentioned rotating shaft 9 is the driving shafts that are used for the rotation of motor 5 is delivered to sink 4, and the end is connected on the armature spindle (omitting diagram) of motor 5 thereafter, and its leading section is connected the rear end face central authorities of sink 4.Rotating shaft 9 rotatably connects the center of the bottom surface of tank 3 under watertight ground sealing state.
The structure of circuit board then, is described.
Fig. 3 is the block diagram of the tumbling-box washing machine of expression embodiments of the present invention.
Circuit board 21 is the substrates of microcomputer 28 that are mounted with the action of drive controlling tumbling-box washing machine A, and is arranged on the leading section of the inner bottom surface of framework 1.As shown in Figure 3, on this circuit board 21, be equipped with: microcomputer 28; The motor drive circuit 29 of drive control motor 5; Detect the rotary speed testing agency 31 of the rotary speed of motor 5; Detect the motor current value measurement mechanism 25 of the electric current of motor 5; And clock 32.
Below, the structure of rotary speed testing agency is described.
Rotary speed testing agency 31 is by reading out from the pulse signal that is arranged on Hall element on the motor 5 (omitting diagram), measures the time interval of pulse and pulse and tries to achieve the rotary speed of motor 5.This rotary speed testing agency 31 is connected (with reference to Fig. 3) on the microcomputer 28.The output signal of the rotary speed of these rotary speed testing agency 31 detected motor 5 is sent to microcomputer 28, and by the change (with reference to Fig. 3) of the rotary speed of microcomputer 28 monitoring motors 5.
The structure of microcomputer then, is described.
To the output signal of microcomputer 28 inputs from the rotary speed of the motor 5 of rotary speed testing agency 31, detection signal from the vibration of the tank 3 of vibrating sensor 22, from the output signal of the rotary speed of the motor 5 of motor current value measurement mechanism 25, from clock 32 output signals of carrying out timing.Microcomputer 28 sends indication while monitor these information to motor drive circuit 29 based on these information, and motor 5 is driven.
Fig. 4 is the outside drawing of fluid balancer of the tumbling-box washing machine of expression embodiments of the present invention.Fig. 5 is the amplification stereogram of in-built pith of fluid balancer of the tumbling-box washing machine of expression embodiments of the present invention.In addition, Fig. 4 and Fig. 5 have put down in writing radial dividing plate 10d, annular baffle 10c large for the internal structure of expression fluid balancer 10.
Below, the structure of fluid balancer is described.
As shown in Figure 1, above-mentioned fluid balancer is the parts that are installed in the front portion of sink 4 for the vibration that reduces when dehydration.In addition,, also can be fixed on rear side, two sides before and after perhaps being installed in though be fixed on the front side of sink 4 in the present embodiment.
As shown in Figure 4, fluid balancer 10 liquid (omit diagram) of in hollow annular space, packing into, this liquid focuses on an opposite side of the unbalanced position of clothing W when dehydration, offsets the unbalanced of clothing W thereby have, and reduces the effect of the vibration of sink 4.
The formation of fluid balancer 10 comprises: the cross section of the liquid of packing into is the housing 10a of the ring-type of recess shapes; Seal the lid 10b of ring-type of the opening of this housing 10a; Along housing 10a with the annular baffle 10c that separates in the housing 10a circlewise; To form in the housing 10a of multilayer by this annular baffle 10c and be isolated into a plurality of radial dividing plate 10d that the front is seen as circular-arc a plurality of spaces.
As shown in Figure 5, the housing 10a that liquid is housed utilizes four along the circumferential direction triple isolation of ring-type dividing plate 10c that concentric circles is set up in parallel and makes three-layer structure.
In addition, though this housing 10a can be one deck, increase because the many persons of the number of plies offset the unbalanced effect of clothing W, thereby wish that the number of plies is more.
Be packaged with liquid in each layer in housing 10a respectively.The amount of this liquid be the layer the space volume about 1/4～1/2.For example, in the occasion that the amount of liquid is lacked than the amount of regulation, the unbalanced effect of offsetting the clothing W (with reference to Fig. 1) in the sink 4 (with reference to Fig. 1) is less.But opposite, as to Duo than the amount of stipulating in the amount of liquid occasion, with sink 4 in the residual liquid of the unbalanced equidirectional of clothing W increase, effect diminishes.Therefore, the amount of liquid in the preferably above-mentioned scope.
In addition, as shown in Figure 5, radial dividing plate 10d is configured in each layer radially side by side towards the center of fluid balancer 10, is isolated into a plurality of circular-arc spaces again thereby make in three layers in the space of the ring-type that is formed by annular baffle 10c.
Cutting is formed for making the opening 10e that liquid can move to circumferencial direction on radial dividing plate 10d.This opening 10e forms quadrangle in the central authorities' upper end cutting in the outer part than the width of each layer of the ring-type of radial dividing plate 10d.
Like this inside be divided into the zone fluid balancer 10 in when dehydration if make sink 4 with rotation at a high speed, then liquid is subjected to the centrifugal force that produced by this rotation, and is in the situation outside being stored in.Liquid in the annulus when rotating at a high speed has the vibration that is subjected to sink 4 (with reference to Fig. 1), and automatically focus on sink 4 in the character of position of the unbalanced position opposite of clothing W (with reference to Fig. 1).
Near the above-mentioned opening 10e that is provided with the inwall of the annulus outside is even also can make liquid move under such state.
Thus, unbalanced for clothing W, fluid balancer 10 is obtained the balance of rotation to reduce vibration with the liquid of inside by the mode of a side.If there is not opening 10e near the periphery, even liquid concentrates on the position of obtaining spin balancing with low speed rotation, but when when rotating at a high speed, changing to the imbalance of clothing W,, thereby can not averages out and big vibration is arranged because liquid can not move.
In addition, the width central authorities at the ratio layer of each annulus also are formed with opening 10f in the inner part.For example, under the state that when beginning dehydration sink 4 (with reference to Fig. 1) does not rotate, liquid is subjected to gravity and is stored in the bottom of fluid balancer 10.This state self is in big unbalanced situation owing to fluid balancer 10, thereby, need eliminate this state as early as possible.Therefore, except opening 10e, opening 10f is set also.Like this, by opening 10f is set, can makes and lean on the liquid of a side to move as soon as possible too partially.For liquid being moved as soon as possible and disperseing, also do the area of opening 10f bigger than opening 10e.Say it on the contrary, in order to control flowing of fluid, form the opening 10f in the outside littler than the opening 10f of inboard.
Fig. 6 is the amplification stereogram of pith of variation of fluid balancer of the tumbling-box washing machine of expression embodiments of the present invention.
And above-mentioned fluid balancer 10 also can be to form the tetragonal tabular radial dividing plate 10g littler than the sectional area separately of each annulus as shown in Figure 6.
At this moment, radial dividing plate 10g by a side be fixed on the inwall in the outside of each annulus, have opening 10h in the inboard of radial dividing plate 10g, have the opening 10i littler at the upside of radial dividing plate 10g than opening 10h.Though the opening 10h of this radial dividing plate 10g and opening 10i are not understood that the inboard and the outside in the space of ring-type, but the opening 10i of upper outside is because its area is littler than inboard opening 10h, thereby when rotating at a high speed, carried out mobile being difficult to of liquid.
Secondly, mainly the running control of the dehydration starting of the tumbling-box washing machine A that carried above-mentioned fluid balancer 10 is described with reference to Fig. 1, Fig. 7 and Fig. 8.
Fig. 7 is the curve map of rotary speed pattern of the sink of tumbling-box washing machine when dehydration starting of expression embodiments of the present invention.Fig. 8 is the flow chart of control of rotary speed of the sink of tumbling-box washing machine when dehydration starting of expression embodiments of the present invention.
Drive motor 5 shown in Figure 1, make sink 4 rotations, the dehydration (S1) of beginning clothing W.Rotary speed is risen (S2), dewater up to 50rpm (S3).During rotary speed deficiency 50rpm (S3 → not), rotary speed continues rise (S2).Reached in rotary speed under the state of this rotary speed of 50rpm (S3 → be), clothing W is not close on the wall of sink 4, and is promoted the action that falls halfway and repeat to promote in rotation by the bottom from sink 4.Make clothing W loose by this state, thereby make it be in the state (S4) that averages out easily.
From this state the rotary speed of sink 4 is risen (S5), make the rotary speed of sink 4 reach 110rpm (S6).During rotary speed deficiency 110rpm (S6 → not), rotary speed continues rise (S5).When rotary speed was this 110rpm, because the centrifugal force that is added on the clothing W increases with the rising of the rotary speed of sink 4, thereby clothing W just was in the state on the wall that is close to sink 4.
This rotary speed 110rpm is lower than tank 3 produces the resonance rotational speed (producing the rotary speed of resonance) of resonance because of the rotation of sink 4 rotary speed.Though tank 3 about, side-to-side vibrations, the resonance rotational speed of these vibrations has nothing in common with each other.Tank 3 resonance (with reference to Fig. 7) about left and right directions vibration be rotary speed at sink 4 be near the 150rpm in.Tank 3 low-resonance (with reference to Fig. 7) in the above-below direction vibration be rotary speed at sink 4 be near the 200rpm in.
Sink shown in Figure 14 than cause tank 3 about the rotary speed of resonance slow, carry out the unbalanced detection of clothing W (S7) and be close to because of centrifugal force than clothing W under the high rotary speed of the rotary speed of inwall of sink 4 of rotation with vibrating sensor 22.Unbalanced variation, the variation of rotary speed and the variation of motor current from the output (acceleration) that is installed in the vibrating sensor 22 on the tank 3 of this clothing W tried to achieve.Increase if the inequality of clothing W is weighed, then the vibration by vibrating sensor 22 detected tanks 3 increases, from the also increase thereupon of output of vibrating sensor 22.
In addition, when motor 5 moved up in the unbalanced part that makes clothing W, because the load of clothing W is added on the sink 4, thereby load increased, and the electric current of motor also increases thereupon, and perhaps rotary speed is slack-off.On the contrary, when the unbalanced part of clothing W was downward, because clothing W is in and temporarily is suspended in aerial state, the load of clothing W was not added on the sink 4, thereby load diminishes, and the electric current of motor also reduces, and perhaps rotary speed accelerates.In a word, the inequality of clothing W is weighed many more, and all the more to sink 4, the change of motor current and the change of rotary speed all increase the load of clothing W.
Therefore, can utilize these methods to judge the inequality measurement of clothing W.Both can be with the combination of these three kinds of methods, also can be only with a kind of.
For example, be divided into large, medium and small three phases at least if will detect the unbalanced result of clothing W, the unbalanced big occasion (S8) at clothing W then stops the rotation (S9) of sink 4, starts again.Weighing in the inequality of clothing W is middle or small occasion (S10), though make sink 4 carry out the transition to rotation at a high speed, in this process, will be by the rotary speed zone of tank 3 resonance.
During resonance,, then will contact, body of the washing machine is moved, wish not cause overturning with framework 1 grade if the vibration of tank 3 is excessive.For this reason, need make vibration not excessive, make it pass through the rotary speed of tank 3 resonance.Weigh little occasion (S10 → deny) in the inequality of clothing W,, it is quickened with original state because vibration is not excessive, thereby carries out the transition to step S13.Weighing in the inequality of clothing W is medium occasion (S10 → be), liquid in the test fluid balancer 10 is by the position (S11) of a side, estimate the timing (S12) quickened according to its result, quickening being judged to be of timing is the occasion (S12 → be) of (OK), promptly, " state of the liquid in the fluid balancer 10 is between the state of regulation " carries out the transition to step S13 and acceleration.On the other hand,, turn back to step S11, estimate the timing of quickening (S12) once more quickening the occasion that is judged to be non-(not being OK) regularly (S12 → deny).
In addition, when the rotary speed of sink 4 reaches low rotary speed about 110rpm, because the liquid in the fluid balancer 10 is not subjected to strong centrifugal force, thereby, the state that is not in the outside inwall of the annular baffle 10c (with reference to Fig. 4 and Fig. 5) that is close to ring-type securely and is difficult to flow is with the speed rotation different with sink 4.In addition, though the liquid that leans on a side is arranged in fluid balancer 10, the inequality measurement of whole rotary body is subjected to the influence of its position of leaning on a side and changes.
Fig. 9 be the expression embodiments of the present invention tumbling-box washing machine when rotating with 110rpm rotary speed and the curve map of time relation.Figure 10 is the change of the rotary speed of tumbling-box washing machine when rotating with 110rpm of expression embodiments of the present invention and the curve map of time relation.
Fig. 9 and Figure 10 represent appearance at this moment.Rotary speed detects every for example revolving the short time of the required time that turns around than sink 4.When the rotary speed of sink 4 was 110rpm, revolving the required time of turning around was about 0.55 second, and the time interval of detecting rotary speed is 0.01 second.
In addition, above-mentioned rotary speed basis is carried out instrumentation from the pulse spacing of the train of pulse that is arranged on the Hall element (omitting diagram) on the motor 5, but this pulse and a non-rotating circle are a pulse, and needs 8 pulses at least.Therefore in the present embodiment, revolved the interval of turning around with respect to motor 5 with 0.55 second and carry out instrumentation, preferably 55 more than the pulse with 0.01 second.
In addition, the testing agency of rotary speed also can be other mechanism rather than the pulse from Hall element (omitting diagram) that comes motor 5.
In addition, the amplitude of fluctuation of sink 4 being revolved the rotary speed in the time of turning around is made as the change of rotary speed.In a word, the change of rotary speed is the value that the maximum of the rotary speed between 0.55 second deducts minimum of a value.Figure 10 represents the change of the rotary speed of trying to achieve like this.Rotary speed as shown in Figure 9, because of clothing W unbalanced is the center change up and down of whenever turning around with 110rpm.This is owing to aforesaid reason causes, that is: slack-off when clothing W unbalanced lifts up, accelerates downwards the time on the contrary.Therefore, the amplitude of fluctuation of the rotary speed of sink 4 is big more, and the inequality of clothing W is weighed big more.If uneven measurement is identical, the load change when then rotating is also identical, and then the amplitude of fluctuation of rotary speed is certain.
But, in fact, the amplitude of fluctuation of rotary speed might not, but be in the state (with reference to Fig. 7) that becomes at leisure and ring.This is because the liquid in the fluid balancer 10 makes the shift in position by a side of the liquid in the fluid balancer 10 with different speed with respect to the rotation of sink 4.If the unbalanced position of clothing W and aforesaid liquid by the position of a side in identical position, the then unbalanced increase of whole rotary body, the change increase of the rotary speed of sink 4.On the contrary, if the position of leaning on a side of the unbalanced position of clothing W and aforesaid liquid with respect to rotating shaft 9 in opposite position, then the unbalanced of whole rotary body diminishes, the change of the rotary speed of sink 4 diminishes.
As shown in figure 10, the change of the rotary speed of so-called sink 4 is meant unbalanced part at every moment the change of the unbalanced part of liquid with respect to clothing W over time.
So, in step S11 (with reference to Fig. 8), use rotary speed testing agency 31 (with reference to Fig. 3) to detect the position by a side of the liquid in the fluid balancer shown in Figure 1 10 indirectly.With respect to judging with the change of the rotary speed of sink 4 as mentioned above of the liquid of the unbalanced position of clothing W by the position of a side.Therefore, detect the rotary speed of sinks 4 by using rotary speed testing agency 31, and monitor the change of these rotary speeies, thereby can monitor the state (with reference to Fig. 3) of the liquid in the fluid balancer 10 indirectly with microcomputer 28.
In addition, similarly also judge the position by a side of the liquid in the fluid balancer 10 with the change of the motor current of the motor 5 that makes 4 rotations of this sink.When the change of motor current increases, liquid by the position of a side in the position identical with the unbalanced position of clothing W, when the change of motor current diminishes, then with the position of the unbalanced position opposite of clothing W.Therefore, detect the motor current value of motor 5 by using motor current measurement mechanism 25, and monitor the change of these motor current value, thereby can monitor the state (with reference to Fig. 3) of the liquid in the fluid balancer 10 indirectly with microcomputer 28.
In addition, even the position by a side of the liquid in the fluid balancer 10 is also judged in the vibration of tank 3.When the vibration of tank 3 increased, the position of leaning on a side of liquid when diminishing, then was positioned at the position of opposition side in the position identical with the unbalanced position of clothing W.Therefore, by detecting the vibration of tanks 3 with vibrating sensor 22, and monitor the change of the vibration of these tanks 3, thereby can monitor the state (with reference to Fig. 3) of the liquid that fluid balancer 10 is interior indirectly with microcomputer 28.
In the occasion of the position of leaning on a side of detecting aforesaid liquid, both above-described these three kinds of methods can be used in combination like this, also can be only with one in above-mentioned three methods.
Like this, any one position of the liquid in the test fluid balancer 10 indirectly with rotary speed testing agency 31, electric electromechanics flow measuring apparatus 25 or vibrating sensor 22 by a side, and the rotary speed of control sink 4 when monitoring the state of the liquid in the fluid balancers 10 with microcomputer 28, by resonance the time, as long as make the position by a side of liquid be in an opposite side of the unbalanced position of clothing W, just can reduce the vibration when passing through resonance.
Figure 11 be the tumbling-box washing machine of expression embodiments of the present invention at sink by the change of the rotary speed in when resonance and the curve map of time relation.
Solid line shown in Figure 11 is represented the change of tank 3 because of the rotary speed of the 110rpm of the vibrations of sink 4 resonance by resonance time the hour.The change of the rotary speed of the 110rpm the when vibration when dotted line is illustrated in by resonance is big.The two times result that this usefulness solid line and dotted line are represented all is the result when having carried out dehydration starting with being fixed on the unbalanced of weight simulation clothing W on the sink 4.Twice of weight of heavy is all identical.In the vibration by when resonance hour, the change of the rotary speed of 110rpm was once becoming greatly, when diminishing gradually, made the rotary speed rising of sink 4.
On the other hand, when the vibration by resonance the time was big, the change of the rotary speed of 110rpm once diminished, and when becoming big gradually, the rotary speed of sink 4 was risen.According to this result as can be known, preferably rise in the very little rotary speed that makes sink 4 right in the middle of the change of the rotary speed of sink 4.
Below, with Figure 11～Figure 13 the reason that this rotary speed that preferably makes sink 4 rises is described.
Figure 12 is the ideograph of the relation of position and the liquid in the fluid balancer of the weight of representing with solid line (clothing unbalanced) of the expression Figure 11 position of leaning on a side, A1 represents is the position of weight of some A1 of Figure 11 and the liquid relation by the position of a side, A2 represents is the position of weight of some A2 of Figure 11 and the liquid relation by the position of a side, and A3 represents is state from the A2 state when quickening.
Shown in the A1 of Figure 12, at the some A1 of Figure 11, the change of the rotary speed of sink 4 is big, the liquid in weight and the fluid balancer 10 by the position of a side in identical position.At this moment, sink 4 is as shown by arrows to counter rotation, along with the process of time, be subjected to the rotation of sink 4 and slowing down bit by bit compared with the rotation of sink 4 of liquid in the fluid balancer that rotates 10 by the position of a side, reach the state of an A2.When the state from this A2 began the acceleration of sink 4, weight (the unbalanced part of clothing) was though with sink 4 rotation, and the part by a side of liquid further slows down and reaches the state of the some A3 of Figure 12.Under this state, because the position by a side of weight and liquid is positioned at an opposite side mutually, thereby the unbalanced of whole rotary body diminish, the rotary speed zone that can resonate by tank 3 with little vibration.
Figure 13 is the ideograph of the relation of position and the liquid in the fluid balancer of the weight that dots (clothing unbalanced) of the expression Figure 11 position of leaning on a side, B1 represents is the position of weight of some B1 of Figure 11 and the liquid in the fluid balancer relation by the position of a side, B2 represents is the position of weight of some B2 of Figure 11 and the liquid relation by the position of a side, and B3 represents is state from the B2 state when quickening.
Shown in the B1 of Figure 13, at the some B1 of Figure 11, the change of the rotary speed of sink 4 is little, weight be in fluid balancer 10 in the position by position opposite one side of a side of liquid.Same during with above-mentioned Figure 12, sink 4 is to counter rotation, along with the process of time, is subjected to the rotation of sink 4 and the slowing down bit by bit compared with the rotation of sink 4 by a side of the liquid that rotates, gradually near weight, reach the state shown in the B2 of Figure 13.When this state begins the acceleration of sink 4, further the slowing down and near weight by a side of liquid reaches the state shown in the B3 of Figure 13.Under this state and since weight and liquid by the position of a side in identical position, thereby the unbalanced increase of whole rotary body, the then big vibration of generation when resonance.
Therefore, liquid in the fluid balancer 10 is considered than sink 4 (clothing W's is unbalanced) and is rotated slowly, further slow down by acceleration, estimate preferably regularly to make that the position by a side of liquid is in the unbalanced opposite side of clothing W and from 110rpm when resonance quickens.Perhaps, in order to prevent excessive vibration, estimate preferably regularly to make that the position by a side of liquid is not in the unbalanced identical position of clothing W and from 110rpm acceleration (S12 of Fig. 8) when resonance.
Figure 14 is the ideograph of the relation of the unbalanced position of the clothing in the expression sink and the position that the liquid in the fluid balancer leans on a side.
For this reason, the liquid in the fluid balancer 10 preferably in the unbalanced essentially identical position that is positioned at clothing, during perhaps with respect to the slower position of direction of rotation, quicken motor 5 by the position of a side.That is, preferably liquid, then begins to quicken by a side when scope as shown in figure 14.
Figure 15 is the curve map that expression becomes the scope of quickening each change value regularly.
More particularly, the change of the motor current of the amplitude of the vibration of the preferably change of the rotary speed of sink 4, tank 3 (change of acceleration), motor 5 is when the scope of rope hook shape shown in Figure 15, i.e. change value equates or hour acceleration basically.
Below, mainly illustrate in greater detail above-mentioned acceleration judgement (S12 of Fig. 8) regularly with reference to Figure 16.
Figure 16 is the flow chart that judgement is regularly quickened in expression.
Acceleration when beginning to quicken sink 4 judgement (S41) regularly.The change I0 (S42) of the change R0 of the change value V0 of the output of mensuration vibrating sensor 22, the rotary speed of sink 4, the motor current of motor 5.At this moment, the change value V0 of the output of the vibrating sensor 22 of the vibration of detection tank 3 is measured by microcomputer 28 and monitors.The change R0 of the rotary speed of sink 4 serves as that the basis is measured by microcomputer 28 and monitored with the rotary speed of the sink 4 that detected by rotary speed testing agency 31.The change I0 of the motor current of motor 5 serves as them were measured and monitored in the basis by microcomputer 28 a change value with the current value of the motor 5 that detected by motor current value measurement mechanism 25.
Then, make sink 4 revolve turn around (S43), again with the change I1 (S44) of the motor current of the change R1 of the rotary speed of the above-mentioned change value V1 that similarly measures the output of vibrating sensor 22, sink 4 and motor 5.Explanation in passing, at this moment sink 4 is with the certain rotary speed rotation (with reference to Fig. 6) of so-called 110rpm.
Then, ask present each change value V1, R1, I1 and revolve the poor of each preceding change value V0, R0, I0 that turn around, these differences are in decision content a1, the b1 of regulation, the occasion (S45 → be) below the c1, make sink 4 revolve turn around (S46) again, with the change I2 (S47) of the motor current of the change R2 of the rotary speed of the above-mentioned change value V2 that similarly measures the output of vibrating sensor 22, sink 4 and motor 5.
And then, ask present each change value V2, R2, I2 and revolve the poor of each preceding change value V1, R1, I1 that turn around, these differences are in decision content a2, the b2 of regulation, the occasion (S48 → be) below the c2, as quickening regularly then is good (S49), makes the rotary speed rising (to the S13 transition) of sink 4.
Decision content a1, the b1 of step S45 and step S48, c1, a2, b2, c2 are near the value 0 or 0, then judge present each change value V2, R2, I2 with revolve each the preceding change value V1 that turns around, R1, I1 are basic identical or diminish.In addition, each the change value V1 before present each change value V2, R2, I2 specific rotation turns around, the occasion that R1, I1 are big (S45 → deny/S48 → deny) are quickened regularly inappropriate (S50), quicken judgement regularly (S12 → deny) again.
Like this, except the judgement of step S45 by carrying out the judgement of step S45, thereby can prevent because of detecting the decision error that mistake is brought.In addition, if do not cause the danger of decision error, perhaps the very little occasion of the influence of decision error is quickened judgement regularly and also can only be carried out step S45 once.
Explanation in passing, in each change value V1, R1, the I1 of step S45 and the difference of revolving each change value V0 before turning around, R0, I0 greater than decision content a1, the b1 of regulation, the occasion of c1, because each change value V1, R1, I1 become big, thereby regularly be judged to be inappropriate (S50) as quickening, quicken judgement regularly (S12 → not) again.In addition, in step S48, too,, quicken judgement regularly (S12 → not) again because each change value V2, R2, I2 become big, thereby regularly are judged to be inappropriate (S50) as quickening.Judge although it is so and quicken regularly, but also can not use three change value V0, R0, I0, V1, R1, I1, V2, the whole of R2, I2 to judge, both can use wherein two, also can use one.
Below, mainly be elaborated with above-mentioned different acceleration judgement regularly with reference to Figure 17～Figure 19 pair.
Figure 17 is expression and the flow chart of the judgement of above-mentioned different acceleration timing.Figure 18 is the key diagram that expression becomes the scope of quickening the position of leaning on a side regularly.Figure 19 is the curve map that expression becomes the scope of quickening each change value regularly.
The flowcharting of acceleration shown in Figure 17 judgement is regularly regularly concentrated quickening, thus when making resonance the liquid in the fluid balancer 10 by the position of a side be in sink 4 in the position of a unbalanced roughly opposite side of clothing W.In as shown in figure 18 scope, promptly each change value makes and quickens beginning when the scope of rope hook shown in Figure 19 liquid in the fluid balancer 10 by a side.The scope of each change value is in basic no change or the scope that diminishes, and it tilts and increases gradually.
Begin to quicken judgement (S61) regularly, the change I0 (S62) of the change R0 of the change value V0 of the output of mensuration vibrating sensor 22, the rotary speed of sink 4 and the motor current of motor 5.At this moment also with above-mentioned same, with the detected respectively detection signal of vibrating sensor 22, rotary speed testing agency 31 and motor current value measurement mechanism 25 to serve as them were measured and monitored in the basis by microcomputer 28 change value.
Then, make sink 4 revolve turn around (S63), again with the above-mentioned change I1 (S64) that similarly measures the motor current of the change R1 of rotary speed of change value V1, sink 4 of the output of vibrating sensors 22 and motor 5 with microcomputer 28.Explanation in passing, at this moment sink 4 is with the certain rotary speed rotation (with reference to Fig. 6) of so-called 110rpm.
And then make sink 4 revolve turn around (S65) once more, with the above-mentioned change I2 (S66) that similarly measures the motor current of the change R2 of rotary speed of change value V2, sink 4 of the output of vibrating sensors 22 and motor 5 with microcomputer 28.Ask present each change value V2, R2, I2 and revolve the poor of each preceding change value V1, R1, I1 that turn around, these differences and setting a3, b3, c3 are compared.When the difference with setting a3, b3, c3 is near 0 or 0 value, then confirm as with setting a3, b3, c3 is basic identical or below.And present change value V2, R2, I2 quicken regularly inappropriate and bad (NG) (S50) greater than the occasion of revolving each change value V1 before turning around, R1, I1 (S67 → not).
For afore mentioned rules value a3, b3, occasion (S67 → be) below the c3, also to increase condition, confirm the inclination of change value.The inclination of confirming the change value with revolve before turning around basic identical or below it.The inclination of present change value is V2-V1, R2-R1, I2-I1, and the inclination of revolving the change value before turning around is V1-V0, R1-R0, I1-I0.Their difference and setting a4, b4, c4 are compared (S68).Setting a4, b4, c4 are near 0 or 0 value, as long as below setting, then can confirm basic identical or its following situation increase (S68 → be) of inclination V1-V0, R1-R0, I1-I0 of change value, as quickening regularly is good (S69), the rotary speed of motor 5 and sink 4 is risen (from S12 to the S13 transition).The occasion that does not satisfy condition at step S66, step S67 regularly is judged as inappropriate (S70) as quickening, and judges again (from S12 to the S11 transition).This acceleration judgement regularly also can not use three change values all to judge, and both can use wherein two, also can use one.
As mentioned above, in the step 12 of above-mentioned Fig. 8, quicken judgement regularly, if quicken the result OK (S12 → be) of judgement regularly, the rotary speed of motor 5 and sink 4 is risen (S13), the vibration when making resonance can be not excessive.Between the rising stage, detect vibration (S14) in the rotary speed that makes sink 4,, carry out dehydration starting again if vibration big (S15) then makes the rotation of motor 5 stop (S16) with vibrating sensor 22.
Judge the size of vibrating in step 17,, the rotary speed of sink 4 is risen up to 170rpm in vibration hour (S17 → be).The rotary speed of this 170rpm is that first resonance rotational speed is more than the 170rpm, the rotary speed of next resonance rotational speed below 200rpm.The rotary speed of sink 4 when 170rpm also with 110rpm same (with reference to Figure 16, Figure 17), also the liquid in the test fluid balancer 10 are judged and are quickened regularly (S19) by the position (S18) of a side.
At this moment also with above-mentioned same, with serve as the basis by the detected respectively detection signal of vibrating sensor 22, rotary speed testing agency 31 and motor current value measurement mechanism 25 by microcomputer 28 indirectly the liquid in the test fluid balancer 10 by the position of a side and monitor their change value.
As mentioned above, quickening judgement regularly is that 110rpm is identical with the rotary speed of sink 4.If quicken regularly to be judged to be OK (S19 → be), the rotary speed of sink 4 is risen (S20), make it pass through the rotary speed zone of tank 3 resonance.At this moment also detect vibration (S21) with vibrating sensor 22, big as if vibrating (S22 → not), then make the motor 5 of rotation and the rotation of sink 4 stop (S23), carry out dehydration starting again.Vibration hour (S22 → be) then continues to quicken, and rotates transition (S24) to high speed.By making dehydration starting like this, the vibration in the time of can preventing to resonate is excessive.
More than, tumbling-box washing machine A of the present invention is by the position of the liquid in the test fluid balancer 10 by a side, unbalanced position with respect to clothing W, both are basic identical or when being in the slower position of relative direction of rotation, begin to quicken and make its rotary speed zone of passing through tank 3 resonance, reduce vibration when resonating thereby liquid fluid balancer 10 in is positioned at the position of the unbalanced opposite side of clothing W by a side.
Claims (7)
1. a tumbling-box washing machine possesses: flexibly be supported on the interior tank of framework of washing machine, can be rotatably set in the above-mentioned tank and the sink of folding and unfolding clothing, be installed in the fluid balancer on the above-mentioned sink, and the motor that makes above-mentioned sink rotation, it is characterized in that
The occasion of dewatering in that above-mentioned motor is rotated at a high speed,
In the rotary speed of above-mentioned sink for being close to the rotary speed height on the above-mentioned sink than above-mentioned clothing, and when producing the low rotary speed of the rotary speed of resonance than above-mentioned tank,
Monitor the state of the liquid in the above-mentioned fluid balancer, during the state of state for regulation of aforesaid liquid, the rotary speed of above-mentioned sink is quickened, and made it by producing the rotary speed zone of resonance.
2. a tumbling-box washing machine possesses: flexibly be supported on the interior tank of framework of washing machine, can be rotatably set in the above-mentioned tank and the sink of folding and unfolding clothing, be installed in the fluid balancer on the above-mentioned sink, and the motor that makes above-mentioned sink rotation, it is characterized in that
The occasion of dewatering in that above-mentioned motor is rotated at a high speed,
When the position of the liquid in above-mentioned fluid balancer is the position of regulation, the rotary speed of above-mentioned sink is quickened.
3. a tumbling-box washing machine possesses: flexibly be supported on the interior tank of framework of washing machine, can be rotatably set in the above-mentioned tank and the sink of folding and unfolding clothing, be installed in the fluid balancer on the above-mentioned sink, and the motor that makes above-mentioned sink rotation, it is characterized in that
The occasion of dewatering in that above-mentioned motor is rotated at a high speed,
When at least one in the change of the vibration amplitude of above-mentioned sink, the change of motor current and rotary speed is the state of regulation, the rotary speed of above-mentioned sink is quickened.
4. according to each described tumbling-box washing machine in the claim 1 to 3, it is characterized in that,
Liquid in above-mentioned fluid balancer be in above-mentioned sink in above-mentioned clothing produce essentially identical position, unbalanced position, perhaps compare when being in respect to direction of rotation by the state of slow position with this position,
The rotary speed of above-mentioned sink is quickened, and made it by producing the rotary speed zone of above-mentioned resonance.
5. according to each described tumbling-box washing machine in the claim 1 to 4, it is characterized in that,
According to the state that above-mentioned rotary speed is controlled at the vibration monitoring aforesaid liquid of the above-mentioned tank under certain state,
With to revolve vibration turning around before basic identical or when diminishing, be in the state of regulation in the vibration of above-mentioned tank, make the rotary speed acceleration of above-mentioned sink, and make it by producing the rotary speed zone of above-mentioned resonance as the state of aforesaid liquid.
6. according to each described tumbling-box washing machine in the claim 1 to 4, it is characterized in that,
According to the state of the change supervision aforesaid liquid that above-mentioned rotary speed is controlled at the above-mentioned rotary speed under certain state,
Basic identical or when diminishing in the amplitude of fluctuation of above-mentioned rotary speed with the amplitude of fluctuation of revolving the rotary speed before turning around, be in the state of regulation as the state of aforesaid liquid, the rotary speed of above-mentioned sink is quickened, and made it by producing the rotary speed zone of above-mentioned resonance.
7. according to each described tumbling-box washing machine in the claim 1 to 4, it is characterized in that,
Monitor the state of aforesaid liquid according to the change of the electric current that above-mentioned rotary speed is controlled at the above-mentioned motor under certain state,
Basic identical or when diminishing in the amplitude of fluctuation of the electric current of above-mentioned motor with the amplitude of fluctuation of the electric current that revolves the above-mentioned motor before turning around, be in the state of regulation as the state of aforesaid liquid, the rotary speed of above-mentioned sink is quickened, and made it by producing the rotary speed zone of above-mentioned resonance.
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| JP2008228724A JP2010057822A (en) | 2008-09-05 | 2008-09-05 | Drum washing machine |
| JP2008228724 | 2008-09-05 |
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| CN101666021A true CN101666021A (en) | 2010-03-10 |
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| CN105274771A (en) * | 2014-07-18 | 2016-01-27 | 株式会社东芝 | Drum washing machine |
| WO2016207011A1 (en) * | 2015-06-24 | 2016-12-29 | BSH Hausgeräte GmbH | Washing machine and balance ring for washing machine |
| CN106319842A (en) * | 2015-07-09 | 2017-01-11 | 青岛海尔洗衣机有限公司 | Washing machine dewatering control method |
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| JPH0679087A (en) * | 1992-08-31 | 1994-03-22 | Sharp Corp | Balancer apparatus for dehydrator |
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| JP2010057822A (en) | 2010-03-18 |
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