CN101173444A - Dewatering control method for washing machine - Google Patents
Dewatering control method for washing machine Download PDFInfo
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- CN101173444A CN101173444A CNA2006100164350A CN200610016435A CN101173444A CN 101173444 A CN101173444 A CN 101173444A CN A2006100164350 A CNA2006100164350 A CN A2006100164350A CN 200610016435 A CN200610016435 A CN 200610016435A CN 101173444 A CN101173444 A CN 101173444A
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- dehydration
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- offset
- setting
- stroke
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Abstract
The invention relates to a dehydration control method of a clothes washing device, which comprises a step that when the clothes washing enters into the dehydration stoke, detected washing bag amount and a reference value are compared, and according to the result, the rotational speed when the clothes washing device dehydrates is improved to the preset maximum speed, and the dehydration operation is performed, or the rotational speed is improved to the speed lower than the preset maximum speed and the dehydration operation is performed. In the dehydration stoke of the clothes washing device, the invention limits the rotation number of a rolling barrel, thereby preventing the system of the clothes washing device from being damaging.
Description
Technical field
The present invention relates to a kind of dehydration controlling method of car washing installation.
Background technology
In general, the laundry drum mode is under the state of washing agent, washings and washings being rendered in the cylinder, the mode of utilizing the cylinder receive the driving force of motor and to be rotated and the frictional force between the washings to carry out washing operation.By above-mentioned laundry drum mode, washings is not damaged, and can prevent the phenomenon that washings twines mutually, can play simultaneously and rub the effect of playing washing with the hands.
Below, the general structure of above-mentioned roller washing machine is described.
Fig. 1 is the sectional view of the structure of general roller washing machine.
As shown in Figure 1, the installed inside of housing (cabinet) 1 has wash bucket (tub) 2, the rotatable cylinder 3 that is equipped with of inboard central authorities of above-mentioned wash bucket 2, and bottom one side of above-mentioned wash bucket 2 is equipped with motor 4, and, be connected with motor pulley (pulley) 41 with 4 in above-mentioned motor.
In addition, the rear of above-mentioned cylinder 3 is equipped with drum shaft 32, on the above-mentioned drum shaft 32 pulley drum 31 is installed, and by the belt 5 as the power transfer structure, above-mentioned pulley drum 31 will be connected with the motor pulley 41 that is connected in above-mentioned motor 4, and interlock.
And the place ahead of above-mentioned housing 1 is equipped with door 6, between above-mentioned door 6 and the wash bucket 2 packing ring (gasket) 7 is installed.
In addition, between the both sides of the upper side inboard of above-mentioned housing 1 and the outer peripheral face top of wash bucket 2 spring 9 is installed, above-mentioned spring 9 is used to support above-mentioned wash bucket 2, and makes it keep suspended state.Between the bottom surfaces both sides of the edge portion of above-mentioned housing 1 and the basifacial both sides of wash bucket 2 peripheries buffer unit (damper) 8 is installed, this buffer unit 8 is used to support above-mentioned cylinder 3, and, when carrying out dehydrating operations, be used to absorb and the vibration of the wash bucket 2 that the rotation owing to cylinder 3 of decaying produces.
Wherein, above-mentioned buffer unit 8 is installed in the both sides, bottom of wash bucket 2 left-right symmetry, and the bottom of each buffer unit 8 will be fixed on carriage (bracket) (not shown) by coupling apparatus such as screw bolt and nut.Here, above-mentioned carriage is installed on the bottom surface (base) 11 of the bottom surfaces that constitutes housing 1.
Below, the laundry stroke of the roller washing machine of structure describes to utilizing as mentioned above.
Throw in washings in cylinder after, set required washing mode, when driving washing machine, supply with washings in cylinder, then, cylinder begins rotation, and carries out washing operation.
After finishing washing operation, carry out draining and clean stroke, then, Rolling motor will be rotated at a high speed, and remove the dehydration stroke of the moisture of washings.
Fig. 2 is the flow chart of the dehydration controlling method of car washing installation of the prior art.
As shown in Figure 2, when entering into the dehydration stroke (S201), improve the rotation number of Rolling motor, thereby improve the rotation number (S202) of cylinder.
At this moment, the sensor of the side by being installed on motor continues to detect the rotation number of motor, and sends system microcomputer to, when the rotation number of motor exceeds offset detection reference rotation number, will detect the offset (S203) of washings.
Usually, when carrying out dehydrating operations, along with the raising of rotation number, washings will be close under action of centrifugal force on the madial wall of cylinder, be evenly distributed at washings under the situation of inner wall of rotary drum, will apply certain active force to motor.But,, but tend to will produce more load in washings distribution part more or mutual winding, and part in contrast will produce less load under the situation of a side or winding mutually if washings does not have evenly to distribute.
In other words, be under the eccentric state at washings, because motor does not bear set size loads, cylinder will produce shaking phenomenon in the process that is rotated, thereby can't stablize rotation.
Therefore, the rotary speed that the system microcomputer that is used to control the rotation of motor will detect motor changes, i.e. offset.
At this moment, the said system microcomputer judges whether above-mentioned detected offset is in the scope that presets with interior (S204), when above-mentioned detected offset be setting range with interior situation under, to improve RPM (rotation number) stage by stage, make rotation number bring up to the maximum dewatering speed (S206) of setting, and carry out high speed dewatering operation (S207).
In addition, when above-mentioned detected offset be not in setting range with interior situation under, will make the cylinder operation of temporarily stopping the rotation, and the washing bag that execution evenly launches the washing bag will be untied stroke (S205).
After the above-mentioned washing bag of execution is untied stroke, will carry out offset once more and detect step.
But there are the following problems in the dehydration stroke of the car washing installation of above-mentioned prior art.
When dewatering stroke, under all loading conditions, will reach the maximum rotative speed (RPM) of setting, in the case, many more RPM are high more for washing bag amount, will produce very big influence to the mechanical bond portion of wash bucket (tub).
Particularly, be judged as detected offset in process offset detection step and be in the setting range, and enter under the situation of dehydration stroke, when the more offset of washing bag amount is big, if RPM is brought up to maximum setting speed, will cause wash bucket (tub) to be damaged.
And under above-mentioned state, when dewatering with the ultrahigh speed of setting, even do not reach the impaired degree of wash bucket, dehydration and vibration that produce this moment and bigger noise also will cause user's being discontented with product.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defective that prior art exists, and a kind of dehydration controlling method of car washing installation is provided, and the present invention limits the rotation number of cylinder in the dehydration stroke of car washing installation, thus the system that prevents car washing installation is damaged.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of dehydration controlling method of car washing installation, it is characterized in that: include when entering into the dehydration stroke, the step that detected washing bag amount and a reference value are compared, and, rotary speed in the time of will dewatering according to its result is brought up to the maximal rate of setting, and carry out dehydrating operations, or rotary speed is brought up to than the little speed of setting of maximal rate, and carry out dehydrating operations.
The dehydration controlling method of aforesaid car washing installation wherein before improving rotary speed in order to dewater stroke, detects the step of offset.
The dehydration controlling method of aforesaid car washing installation, wherein offset detects in the step and includes: enter into the dehydration stroke, and improve the step of the rotary speed of cylinder; When the offset that reaches setting when rotary speed detects rotary speed, detect the step of offset, wherein, only setting range that detected offset reaches the stroke that allows to dewater with interior situation under, will improve rotary speed again, and carry out dehydrating operations.
The dehydration controlling method of aforesaid car washing installation, wherein do not reach the setting range of the stroke that allows to dewater with under the interior situation when detected offset, execution is used for the washing bag that washing bag with uneven load is converted to uniform state and unties step, and then detects offset.
The dehydration controlling method of aforesaid car washing installation, wherein under the situation of detected washing bag amount value less than a reference value, the rotary speed during with dehydration is brought up to the maximal rate of setting, and carries out dehydrating operations; Under the situation of detected washing bag amount value greater than a reference value, the rotary speed during with dehydration is brought up to than the little speed of setting of maximal rate, and carries out dehydrating operations.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the sectional view of the structure of general roller washing machine;
Fig. 2 is the flow chart of the dehydration controlling method of car washing installation of the prior art;
Fig. 3 is the flow chart of the dehydration controlling method of the car washing installation among the present invention.
The specific embodiment
Basic fundamental thought of the present invention is, the rotation number of restriction cylinder in the dehydration stroke of car washing installation, thus the system that prevents car washing installation is damaged.Wherein, under detected washing bag amount is situation more than a reference value, rotary speed that will the restriction cylinder, thus prevent that it from reaching the maximal rate of setting.
Certainly, under detected washing bag amount is situation below a reference value, the rotary speed that makes cylinder is brought up to the maximal rate of setting, and carry out dehydrating operations.
As shown in Figure 3, when detecting washing bag amount (S301) and enter into the dehydration stroke (S302), improve the rotation number of Rolling motor, thereby improve the rotation number (S303) of cylinder.
When detecting washing bag amount, when after entering the dehydration stroke, reaching the reference RPM of setting, make motor stop to operate, and detect the surplus energy rotational time of the cylinder that is rotated by rotating inertia force, thereby can judge washing bag amount according to the detected time.
That is, judge washing bag amount according to detected surplus energy rotational time, when above-mentioned surplus energy rotational time was longer, it was more then to be judged as washing bag amount; The surplus energy rotational time more in short-term, it is less then to be judged as washing bag amount.Above-mentioned washing bag amount judgment standard based on the surplus energy rotational time generally will constitute look-up table (Look Up Table) by testing repeatedly in advance, and be organized in the system microcomputer.
Certainly, except the above-mentioned method that detects by the surplus energy rotational time, also can detect washing bag amount by other method.
In addition, entering into the dehydration stroke, and when improving the Rolling motor rotation number and improve the rotation number of cylinder, the sensor of the side by being installed on motor continues to detect the rotation number of motor, and send system microcomputer to, when the rotation number of motor reaches offset detection reference rotation number, the offset (S304) of washings will be detected.
And the said system microcomputer will judge whether above-mentioned detected offset is in the scope that presets with interior (S305), be in the setting range time at above-mentioned detected offset, and detected washing bag amount value and a reference value are compared (S307).
Wherein, a reference value is the drum rotation speed that is used for controlling according to washing bag amount when dehydration, and it is set at, and is the rotary speed of restriction cylinder under a large amount of situation at washing bag amount.
Be less than or equal to when detected washing bag amount under the situation of a reference value, will improve RPM stage by stage, thereby bring up to the maximum dewatering speed (S308) of setting, and carry out high speed dewatering operation (S309).
In addition, when above-mentioned detected offset do not reach setting range with interior situation under, cylinder will temporarily be stopped the rotation, and carry out the washing bag be used for evenly launching washings and untie stroke (S306), and carry out offset subsequently again and detect step.
In addition, under the situation of detected washing bag amount greater than a reference value, will be to dewater than the little speed of setting of maximum dewatering speed, end operation (S310) then.
In the dehydration controlling method of aforesaid car washing installation of the present invention, in washing bag amount is, under a large amount of situation, RPM is not brought up to the maximal rate of setting, but RPM is brought up to than the little speed of setting of maximal rate, and carry out dehydrating operations, thereby can prevent that wash bucket from sustaining damage, and can reduce dehydration and vibration and noise.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
The effect of the dehydration controlling method of the car washing installation among the present invention describes.
The rotation number of restriction cylinder in the dehydration stroke of car washing installation of the present invention, thus the system that prevents car washing installation is damaged.
And, in the present invention, judge washing bag amount be in, under a large amount of situation, the dehydration rotary speed of cylinder is restricted to than the little speed of setting of maximal rate, thereby can reduces dehydration and vibration and dehydration noise, and improve the reliability of user product.
Claims (5)
1. the dehydration controlling method of a car washing installation is characterized in that:
Include and entering into dehydration during stroke, the step that detected washing bag amount and a reference value are compared,
And the rotary speed in the time of will dewatering according to its result is brought up to the maximal rate of setting, and carries out dehydrating operations, or rotary speed is brought up to than the little speed of setting of maximal rate, and carries out dehydrating operations.
2. the dehydration controlling method of car washing installation according to claim 1 is characterized in that:
Before improving rotary speed, detect the step of offset in order to dewater stroke.
3. the dehydration controlling method of car washing installation according to claim 2 is characterized in that, above-mentioned offset detects in the step and includes:
Enter into the dehydration stroke, and improve the step of the rotary speed of cylinder;
When rotary speed reaches the offset detection rotary speed of setting, detect the step of offset,
Wherein, only setting range that detected offset reaches the stroke that allows to dewater with interior situation under, will improve rotary speed again, and carry out dehydrating operations.
4. the dehydration controlling method of car washing installation according to claim 3 is characterized in that:
When setting range that detected offset does not reach the stroke that allows to dewater with interior situation under, carry out the washing bag that the washing bag that is used for uneven load is converted to uniform state and untie step, and then detect offset.
5. the dehydration controlling method of car washing installation according to claim 1 is characterized in that:
Under the situation of detected washing bag amount value less than a reference value, the rotary speed during with dehydration is brought up to the maximal rate of setting, and carries out dehydrating operations;
Under the situation of detected washing bag amount value greater than a reference value, the rotary speed during with dehydration is brought up to than the little speed of setting of maximal rate, and carries out dehydrating operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100164350A CN101173444A (en) | 2006-10-30 | 2006-10-30 | Dewatering control method for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100164350A CN101173444A (en) | 2006-10-30 | 2006-10-30 | Dewatering control method for washing machine |
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| Publication Number | Publication Date |
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| CN101173444A true CN101173444A (en) | 2008-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100164350A Pending CN101173444A (en) | 2006-10-30 | 2006-10-30 | Dewatering control method for washing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747583A (en) * | 2011-04-21 | 2012-10-24 | 松下电器产业株式会社 | Dewatering device |
| CN102953255A (en) * | 2012-10-26 | 2013-03-06 | 无锡飞翎电子有限公司 | Washing machine and dewatering control method and system of washing machine |
| CN109820462A (en) * | 2019-03-28 | 2019-05-31 | 佛山市百斯特电器科技有限公司 | A kind of method and dish-washing machine controlling motor |
-
2006
- 2006-10-30 CN CNA2006100164350A patent/CN101173444A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747583A (en) * | 2011-04-21 | 2012-10-24 | 松下电器产业株式会社 | Dewatering device |
| CN102747583B (en) * | 2011-04-21 | 2015-06-10 | 松下电器产业株式会社 | Dewatering device |
| CN102953255A (en) * | 2012-10-26 | 2013-03-06 | 无锡飞翎电子有限公司 | Washing machine and dewatering control method and system of washing machine |
| CN102953255B (en) * | 2012-10-26 | 2015-03-25 | 无锡飞翎电子有限公司 | Washing machine and dewatering control method and system of washing machine |
| CN109820462A (en) * | 2019-03-28 | 2019-05-31 | 佛山市百斯特电器科技有限公司 | A kind of method and dish-washing machine controlling motor |
| CN109820462B (en) * | 2019-03-28 | 2021-06-11 | 佛山市百斯特电器科技有限公司 | Method for controlling motor and dish-washing machine |
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Open date: 20080507 |