CN1367288A - Method for detecting and defining cloth quantity and water quantity in washing machine by utilizing weight sensor - Google Patents
Method for detecting and defining cloth quantity and water quantity in washing machine by utilizing weight sensor Download PDFInfo
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- CN1367288A CN1367288A CN 02114880 CN02114880A CN1367288A CN 1367288 A CN1367288 A CN 1367288A CN 02114880 CN02114880 CN 02114880 CN 02114880 A CN02114880 A CN 02114880A CN 1367288 A CN1367288 A CN 1367288A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 310
- 238000005406 washing Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 title claims description 78
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 239000000725 suspension Substances 0.000 claims description 19
- 238000009408 flooring Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 210000002683 foot Anatomy 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
A method for detecting and determining clothes weight in the washing machine and water quantity is characterized by that on the floor supporting legs of washing machine or belbween connected places of lower end of washing cylinder and lower end of hanger rod or between the hanging corners of washing machine shell body and hanger rod, a number of weight sensors is respectively mounted for detecting the weight data of clothes and/or water in the washing cylinder. Under the condition of that in the washing cylinder, the "water-level-frequency" sensor can be used for measuring water level data, the said data can be imput into computer, then the measured weight data and/or water level can be compared with "water level-frequency", "water quantity-water level" and "clothes quantity and water quantity" relationships built-in computer by means of computer so as to analyze and judge water-injection quantity and attain the goal of saving water and savint energy.
Description
Technical field
The present invention relates to a kind of method of determining cloth amount, the water yield in the washing machine that detects, particularly utilize weight sensor to detect the method for determining cloth amount, the water yield in the washing machine.
Background technology
Traditional washing machine basic structure is at present: a support foot is installed at a bottom of shell angle respectively, outer bucket by 4 suspension rods hang on casing on, outer bucket side lower part is established an air chamber, this air chamber top is connected with the water level frequency sensor by flexible pipe, the outer barrel bottom center is by the fixing interior bucket of the axle of clutch, and the impeller of interior bucket bottom is fixed on the axle of clutch, and outer barrel bottom is installed draining valve and scupper hose, motor is fixed on outer barrel bottom, drives clutch work by belt.
The course of work of this washing machine is as follows: at first, before the washing course of work or the rinsing course of work, pass through water filling in outside bucket of water filling port and the interior bucket, air in the air chamber is by behind the water pressurized, compressed air is by hose compression water level frequency sensor, and SEA LEVEL VARIATION can make the pressure of the air in the air chamber change; Coil magnetic core in the water level frequency sensor is changed by air compression back displacement, and the frequency of oscillation that is made of coil and capacitor is corresponding also to be changed, so in the frequency data that change along with the SEA LEVEL VARIATION input computer, sensed water level correspondingly; According to built-in " frequency-water level " of computer relation, when injecting corresponding water level in the wash bucket, water filling stops, and enters the work of washing or rinse cycle.When washing or after rinse cycle finished by the preset program time, draining valve was opened, the water of wash bucket is discharged by scupper hose.
In the level testing methods of this traditional washing machine, the water level section restriction that the detection range of water level is scheduled to, thereby can't control water injection rate effectively according to the amount of laundry item, can't reach the purpose of water saving.
Again, the more existing washing machine that can discern the cloth amount is that the back-emf that produces when rotating according to motor inertia or the changing method of electric current carry out the identification of cloth amount.This method identification error is very big, can't accurately measure, and be subjected to peripheral condition influence very big, as the putting position of clothing, the degree of tightness of belt, height of remaining water or the like, more just can't distinguish,, can't reach water saving, purpose of energy saving equally so generally only can divide to 3 to 4 grades at clothing.
Have a kind of structure and course of work that detects the washing machine of cloth amount to be again: suspension rod is installed end sensor down, and this sensor is made up of iron core, coil, but anhydrous bit frequency sensor.When putting into clothing, interior bucket pressurized, the iron core by the sensor in the Buffer Unit of outer bucket compression suspension rod lower end makes iron core produce displacement, causes the relative variation of frequency or voltage and draws the weight of clothing.This washing machine is provided with predetermined lowest water level and peak level, when detect fill level when being lower than predetermined lowest water level by the lowest water level water filling; When detecting fill level when being higher than predetermined peak level, then calculate, thereby the total time that draws fill level is carried out water filling by total time according to the required time of the output of per unit.
This detection method is subjected to the lowest water level restriction, can't detect the water yield more accurately, and calculates water injection rate by the time, is subjected to its water yield of hydraulic pressure factor affecting.Simultaneously, when putting into water and clothing in the bucket, can't be with the itemize of weight of water and clothing, the weight of water can only be worked as is that clothes weight calculates, and directly influences the water yield of wash bucket.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of weight sensor that utilizes and detect method and the device thereof of determining cloth amount, the water yield in the washing machine, do not establish predetermined water level section and limit, and then to reach the purpose of saving water and energy.
In order to achieve the above object, the technical solution adopted in the present invention is: utilize weight sensor to detect the method for determining cloth amount, the water yield in the washing machine, distinguish the erection weight sensor on the washing machine flooring support pin or between the junction of the lower end of wash bucket and suspension rod lower end or between the lifting angle of washer cabinet and the suspension rod, detecting the weight data of interior cloth of wash bucket and/or water; And the height of water level data of utilizing " water level-frequency " sensor to record under the situation that in wash bucket, has water to exist, in the input computer, by computer weight data and/or the height of water level data that record are analyzed with " water level-frequency ", " water yield-water level ", " cloth amount-water yield " relation of being built in the computer, judge the water injection rate that needs; The weight data that weight sensor detects cloth in the wash bucket draw and/or water can be washing machine/or the weight+cloth of wash bucket and/or the weight of water directly import computer, converse the weight data of cloth and/or water by computer, also can by weight sensor with the weight subduction washing machine of cloth and/or water in the wash bucket that records/or the weight of wash bucket after the cloth that draws and/or the weight data of water; Weight data and/or the height of water level data and " water level-frequency " that be built in computer of computer to recording, " water yield-water level ", " cloth amount-water yield " relation is analyzed, the process of judging the water injection rate that needs is as follows: 1, when having only clothing in the wash bucket, the height of water level data that " water level-frequency " sensor does not record, weight sensor detects the weight of laundry item in the wash bucket of packing into, in this weight data input computer, and with computer in built-in " cloth amount-water yield relation " table relatively, thereby judge the water injection rate that needs exactly, when being filled to, then stop water filling with " cloth amount-water yield relation " corresponding water yield; 2, when water or water and clothing are arranged in the washtub, weight sensor detects the weight data W1 of laundry inner bucket water or water and clothing, go out water level altitude information h1 by " water level-frequency " sensor simultaneously, and pass through the water level that " water yield-water level " concern the W1 correspondence is H, both and " water level-frequency " that be built in the computer, " water yield-water level ", " cloth amount-water yield " relation is analyzed: if (b) the water level h1=H that records during weight W 1, then above-mentioned measured weight W 1 is a water, when putting into clothing again, the weight that increases promptly is the cloth amount, draws the water injection rate of this cloth amount from " cloth amount-water yield " relation.If water injection rate is less than W1, then no longer water filling; If water injection rate is greater than W1, then water injection rate is the water injection rate-W1 of this cloth amount again; (b) if the water level h1＞H that records during weight W 1, this moment, weight W 1 was the mixing of water and cloth, so, the height that clothing rises water level is h1-H, and by " water yield-water level " relation, the water yield of having put into of learning h1-H is W2, then the weight of clothing is W1-W2, at this moment, according to the relation of " water yield-water level ", the total amount that needs water filling is the water yield W2 of the pairing water injection rate of weight W 1-W2-put into of clothing.(c) if the water level h1＜H that records during weight W 1, weight W 1 is that a spot of water is arranged in the cloth so, concern according to " water yield-water level ", the weight of the water of water level h1 is W0, so, the weight of cloth is W1-W0, and by " cloth amount-water yield " relation, the total amount that needs water filling is the amount W0 of the water injection rate-existing water of the weight W 1-W0 correspondence of cloth.
The invention has the beneficial effects as follows and utilize weight sensor and original traditional " water level-frequency " to detect, the water filling water yield in the wash bucket is determined in the detection of the weight of laundry item, and the water level section of not being scheduled to limits, to reach water saving, purpose of energy saving.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the present invention;
Fig. 2 is the present invention's structural representation of second kind of embodiment in addition;
Fig. 3 is the partial enlarged drawing at the I place of Fig. 2;
Fig. 4 is the present invention's structural representation of the third embodiment in addition;
The partial enlarged drawing at the II place of Fig. 5 Fig. 4;
Fig. 6 is water level-frequency relativity figure;
Fig. 7 is the water yield-cloth amount relativity figure;
Fig. 8 is the water yield-water level relativity figure;
Fig. 9 is the washing machine course of work block diagram that the present invention relates to.
The specific embodiment
The present invention is described in detail but do not limit the present invention below in conjunction with accompanying drawing:
With reference to Fig. 1,4 support foots 10 are installed at 4 angles, casing 1 bottom respectively, outer bucket 2 by 4 suspension rods 11 hang on casing 1 on, outer bucket 2 side lower parts are established an air chamber 6, these air chamber 6 tops are connected with water level frequency sensor 4 by flexible pipe 5, bucket 3 in outer bucket 2 bottom centre positions are fixed by the axle of clutch 13, the impeller 12 of interior bucket 3 bottoms is fixed on the axle of clutch 13, draining valve 8 and scupper hose 9 are installed in outer bucket 2 bottoms, motor 14 is fixed on outer barrel bottom, drive clutch 13 work by belt 15, present embodiment is especially to distinguish erection weight sensing 16 on 4 support foots 10 at the support foot of washing machine, it utilizes weight sensor 16 interior pressure sensors to detect the weight of laundry item and/or water, metal sensor spare generation mechanical deformation in the weight sensor 16, thereby make electric bridge change the variable quantity of outputs level signals.
Fig. 2, Fig. 3,4 support foots 10 are installed at 4 angles, casing 1 bottom respectively, outer bucket 2 by 4 suspension rods 11 hang on casing 1 on, outer bucket 2 side lower parts are established an air chamber 6, these air chamber 6 tops are connected with water level frequency sensor 4 by flexible pipe 5, bucket 3 in outer bucket 2 bottom centre positions are fixed by the axle of clutch 13, outer bucket 2 and interior bucket 3 are formed wash bucket, the impeller 12 of interior bucket 3 bottoms is fixed on the axle of clutch 13, draining valve 8 and scupper hose 9 are installed in outer bucket 2 bottoms, motor 14 is fixed on outer barrel bottom, drive clutch 13 work by belt 15, present embodiment is that erection weight sensing 16 is installed 4 weight sensings 16 especially respectively in the Buffer Unit 17 between the junction of the lower end of the wash bucket of washing machine 4 and suspension rod lower end, it utilizes weight sensor 16 interior pressure sensors to detect the weight of laundry item, when laundry item being put into bucket 3 the time, by the weight sensor 16 of outer bucket 2 in the Buffer Unit 17 of lower compression suspension rod 11 lower ends, make the metal sensor spare generation mechanical deformation in the weight sensor, thereby make electric bridge change the variable quantity of outputs level signals.
With reference to Fig. 4, Fig. 5, present embodiment and embodiment ratio illustrated in Figure 1, be weight sensor 16 installation site differences, present embodiment weight sensor 16 is installed between the lifting angle and suspension rod 11 of washer cabinet 1, be preferably in difference erection weight sensor 16 between 4 lifting angles and the suspension rod 11, the variable quantity of the level signal of the metal sensor spare generation mechanical deformation in the weight sensor, identification by computer is handled, can detect the amount of laundry item, thus corresponding definite suitable water yield.
To sum up, distinguish the erection weight sensor on the clothing machine flooring support pin or between the junction of the lower end of wash bucket and suspension rod lower end or between the lifting angle of washer cabinet and the suspension rod, detecting the weight data of interior cloth of wash bucket and/or water; And the height of water level data of utilizing " water level-frequency " sensor to record under the situation that in wash bucket, has water to exist, in the input computer, with reference to Fig. 6, Fig. 7, Fig. 8, by computer weight data and/or the height of water level data that record are analyzed with " water level-frequency ", " water yield-water level ", " cloth amount-water yield " relation of being built in the computer, judge the water injection rate that needs; Be preferably on 4 flooring support pin of washing machine or between the junction of the lower end of wash bucket and 4 suspension rod lower ends or 4 of washer cabinet lifting angles and suspension rod between 4 weight sensors are installed respectively; The weight data that weight sensor detects cloth in the wash bucket draw and/or water can be washing machine/or the weight+cloth of wash bucket and/or the weight of water directly import computer, converse the weight data of cloth and/or water by computer, also can by weight sensor with the weight subduction washing machine of cloth and/or water in the wash bucket that records/or the weight of wash bucket after the cloth that draws and/or the weight data of water; Weight data and/or the height of water level data and " water level-frequency " that be built in computer of computer to recording, " water yield-water level ", " cloth amount-water yield " relation is analyzed, the process of judging the water injection rate that needs is as follows: 1, when in washing the farming bucket, having only clothing, the height of water level data that " water level-frequency " sensor does not record, weight sensor detects the weight of laundry item in the wash bucket of packing into, in this weight data input computer, and with computer in built-in " cloth amount-water yield relation " table relatively, thereby judge the water injection rate that needs exactly, when being filled to, then stop water filling with " cloth amount-water yield relation " corresponding water yield; 2, when water or water and clothing are arranged in the washtub, weight sensor detects the weight data W1 of laundry inner bucket water or water and clothing, go out water level altitude information h1 by " water level-frequency " sensor simultaneously, and pass through the water level that " water yield-water level " concern the W1 correspondence is H, has different proportion according to water with clothes and cloth, under certain weight, it is certain in the bucket water level of water only being arranged, and they form a water yield-water level relation; If in the bucket water and clothes are arranged, then its water level and the former have difference, if when to be washing machine have water or water and clothes in the abnormal operation bucket, the detected weight of weight sensor, " water level-frequency " sensor is to water level, both compare with " water yield-water level " relation that is built in the computer, if both correspondences, then this weight is the weight of water, if weight and the contrast of " water yield-water level " relation, the water level that draws is higher than or is lower than the water level that " water level-frequency " sensor arrives, then by side-play amount and clothing weight relation, draw the weight of clothes, determine the water yield according to " cloth amount-water yield " relation then, its concrete comparative analysis process is as follows:
(a) if the water level h1=H that records during weight W 1, then above-mentioned measured weight W 1 is a water, when putting into clothing again, the weight of increase promptly is the cloth amount, draws the water injection rate of this cloth amount from " cloth amount-water yield " relation.If water injection rate is less than W1, then no longer water filling; If water injection rate is greater than W1, then water injection rate is the water injection rate-W1 of this cloth amount again;
(b) if the water level h1＞H that records during weight W 1, this moment, weight W 1 was the mixing of water and cloth, so, the height that clothing rises water level is h1-H, and by " water yield-water level " relation, the water yield of having put into of learning h1-H is W2, then the weight of clothing is W1-W2, at this moment, according to the relation of " water yield-water level ", the total amount that needs water filling is the water yield W2 of the pairing water injection rate of weight W 1-W2-put into of clothing.
(c) if the water level h1＜H that records during weight W 1, weight W 1 is that a spot of water is arranged in the cloth so, concern according to " water yield-water level ", the weight of the water of water level h1 is W0, so, the weight of cloth is W1-W0, concerns by " cloth amount-water yield ", the total amount that needs water filling is the amount W0 of the water injection rate-existing water of the weight W 1-W0 correspondence of cloth.
With reference to Fig. 9, the washing machine course of work of the present invention is as follows: begin to connect power supply, by " startup ", at first carry out the weight in the wash bucket, water level detecting, judge whether water is arranged in the wash bucket; If in the bucket water is arranged, then carries out the comparison operation that concerns of weight, water level and cloth amount, thereby draw the weight of laundry item; If bucket is interior anhydrous, then directly measure the weight of laundry item.After drawing the weight of laundry item, draw the water filling water yield accurately by " cloth amount-water yield relation " judgement.Washing machine carries out water filling work by the above water filling water yield that records, and when reaching the corresponding water yield, stops the work that water filling enters next process washing or rinsing control program.The invention relates to the method that detects cloth amount, the water yield in the washing machine, can accurately discern the weight of clothing, and accurately detect the required water yield according to the weight of laundry item.And laundry inner bucket water and clothing effectively can be distinguished, discerned, and this method does not change the agent structure of present conventional washer.
Claims (4)
1. utilize weight sensor to detect the method for determining cloth amount, the water yield in the washing machine, it is characterized in that distinguishing the erection weight sensor on the washing machine flooring support pin or between the junction of the lower end of wash bucket and suspension rod lower end or between the lifting angle of washer cabinet and the suspension rod, detect the weight data of interior cloth of wash bucket and/or water; And the height of water level data of utilizing " water level-frequency " sensor to record under the situation that in wash bucket, has water to exist, in the input computer, by computer weight data and/or the height of water level data that record are analyzed with " water level-frequency ", " water yield-water level ", " cloth amount-water yield " relation of being built in the computer, judge the water injection rate that needs.
2. the method for utilizing weight sensor detect to determine cloth amount, the water yield in the washing machine according to claim 1, it is characterized in that being preferably on 4 flooring support pin of washing machine between the junction of the lower end of wash bucket and 4 suspension rod lower ends or 4 of washer cabinet lift between angle and the suspension rod 4 weight sensors be installed respectively.
3. the weight sensor that utilizes according to claim 1 detects the method for determining cloth amount, the water yield in the washing machine, it is characterized in that weight data that weight sensor detects cloth in the wash bucket draw and/or water can be washing machine/or the weight+cloth of wash bucket and/or the weight of water directly import computer, converse the weight data of cloth and/or water by computer, also can by weight sensor with the weight subduction washing machine of cloth and/or water in the wash bucket that records/or the weight of wash bucket after the cloth that draws and/or the weight data of water.
4. the weight sensor that utilizes according to claim 1 detects cloth amount in definite washing machine, the method of the water yield, it is characterized in that weight data and/or the height of water level data and " water level-frequency " that be built in computer of described computer to recording, " water yield-water level ", " cloth amount-water yield " relation is analyzed, the process of judging the water injection rate that needs is as follows: 1, when having only clothing in the wash bucket, the height of water level data that " water level-frequency " sensor does not record, weight sensor detects the weight of laundry item in the wash bucket of packing into, in this weight data input computer, and with computer in built-in " cloth amount-water yield relation " table relatively, thereby judge the water injection rate that needs exactly, when being filled to, then stop water filling with " cloth amount-water yield relation " corresponding water yield; 2, when water or water and clothing are arranged in the washtub, weight sensor detects the weight data W1 of laundry inner bucket water or water and clothing, go out water level altitude information h1 by " water level-frequency " sensor simultaneously, and pass through the water level that " water yield-water level " concern the W1 correspondence is H, both and " water level-frequency " that be built in the computer, " water yield-water level ", " cloth amount-water yield " relation is analyzed: if (a) the water level h1=H that records during weight W 1, then above-mentioned measured weight W 1 is a water, when putting into clothing again, the weight that increases promptly is the cloth amount, draws the water injection rate of this cloth amount from " cloth amount-water yield " relation.If water injection rate is less than W1, then no longer water filling; If water injection rate is greater than W1, then water injection rate is the water injection rate-W1 of this cloth amount again; (b) if the water level h1＞H that records during weight W 1, this moment, weight W 1 was the mixing of water and cloth, so, the height that clothing rises water level is h1-H, and by " water yield-water level " relation, the water yield of having put into of learning h1-H is W2, then the weight of clothing is W1-W2, at this moment, according to the relation of " water yield-water level ", the total amount that needs water filling is the water yield W2 of the pairing water injection rate of weight W 1-W2-put into of clothing.(c) if the water level h1＜H that records during weight W 1, weight W 1 is that a spot of water is arranged in the cloth so, concern according to " water yield-water level ", the weight of the water of water level h1 is W0, so, the weight of cloth is W1-W0, and by " cloth amount-water yield " relation, the total amount that needs water filling is the amount W0 of the water injection rate-existing water of the weight W 1-W0 correspondence of cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114880 CN1212440C (en) | 2002-02-09 | 2002-02-09 | Method for detecting and defining cloth quantity and water quantity in washing machine by utilizing weight sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114880 CN1212440C (en) | 2002-02-09 | 2002-02-09 | Method for detecting and defining cloth quantity and water quantity in washing machine by utilizing weight sensor |
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| Publication Number | Publication Date |
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| CN1367288A true CN1367288A (en) | 2002-09-04 |
| CN1212440C CN1212440C (en) | 2005-07-27 |
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| CN 02114880 Expired - Fee Related CN1212440C (en) | 2002-02-09 | 2002-02-09 | Method for detecting and defining cloth quantity and water quantity in washing machine by utilizing weight sensor |
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Cited By (19)
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| CN101824734A (en) * | 2009-08-05 | 2010-09-08 | 南京乐金熊猫电器有限公司 | Drying machine and control method thereof |
| CN101877993B (en) * | 2007-11-27 | 2012-07-25 | Bsh博世和西门子家用器具有限公司 | Method for controlling a rinse cycle in a water-bearing household appliance |
| CN103306095A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| CN103306101A (en) * | 2013-06-14 | 2013-09-18 | 无锡小天鹅股份有限公司 | Washing machine provided with suspension system |
| CN103306105A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| CN103306106A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| WO2014190567A1 (en) * | 2013-05-29 | 2014-12-04 | 无锡小天鹅股份有限公司 | Method for determining weight of load of pulsator washing machine |
| WO2015039417A1 (en) * | 2013-09-23 | 2015-03-26 | 无锡小天鹅股份有限公司 | Clothes washing machine |
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- 2002-02-09 CN CN 02114880 patent/CN1212440C/en not_active Expired - Fee Related
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| CN101877993B (en) * | 2007-11-27 | 2012-07-25 | Bsh博世和西门子家用器具有限公司 | Method for controlling a rinse cycle in a water-bearing household appliance |
| CN101824734A (en) * | 2009-08-05 | 2010-09-08 | 南京乐金熊猫电器有限公司 | Drying machine and control method thereof |
| CN103306094B (en) * | 2013-05-29 | 2015-11-25 | 无锡小天鹅股份有限公司 | A kind of method judging rotary drum washing machine load weight |
| CN103306095A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| CN103306106B (en) * | 2013-05-29 | 2016-03-30 | 无锡小天鹅股份有限公司 | A kind of method judging rotary drum washing machine load weight |
| CN103306105A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| CN103306106A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
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