CN204959356U - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN204959356U CN204959356U CN201520586118.7U CN201520586118U CN204959356U CN 204959356 U CN204959356 U CN 204959356U CN 201520586118 U CN201520586118 U CN 201520586118U CN 204959356 U CN204959356 U CN 204959356U
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Abstract
The utility model discloses a washing machine, this washing machine includes: device, muddy turbidity sensor, conductivity sensor and controller are put in to box, washtub and motor, detergent storage box and detergent, and wherein, the detergent is put in in the device is used for rendering to the washtub according to the detergent of detergent input volume signal in with detergent storage box, the interior turbidity of wasing water of washtub was in order to obtain first turbidity value after muddy turbidity sensor was used for detecting prewashing to and the turbidity that detects rinsing time -out after scouring water is worth in order to obtain the second turbidity, conductivity sensor is used for detecting the conductivity value of wasing water after the rinsing time -out, the controller is used for carrying on prewashing control to generate the detergent input according to first turbidity value and measure the signal, and carry out rinsing control according to second turbidity value and conductivity value. The utility model discloses a washing machine can reduce remaining on the clothing, and washing, rinsing are cleaner.
Description
Technical field
The utility model belongs to electrical equipment manufacturing technology field, particularly relates to a kind of washing machine.
Background technology
Along with the progress of technology, and user is to the demand of function, and washing machine is to full intelligent development.But because the degree of fouling of clothing is different, in order to ensure washes clean, required washing agent, washings and wash time also should be different.At present, most of washing machine is very deep for the judgement of the dirty washability of clothing.But, the impact of the factors such as washing agent kind, washing agent injected volume, wash temperature, washing water quality is dropped into due to user, can judge after having washed that the spot of clothing has been cleaned, but, also may there is a little washing agent in clothes after the washing is complete to remain, residual washing agent can cause injury to a certain degree to user's skin.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model needs to propose a kind of washing machine, this washing machine, can reduce remaining on clothing, wash cleaner.
In order to solve the problem, the utility model proposes a kind of washing machine on the one hand, and this washing machine comprises: casing, washtub and motor; Washing agent storage box and detergent throwing device, described detergent throwing device is used for rendering in described washtub according to washing agent injected volume signal by the washing agent in described washing agent storage box; Turbidity sensor, terminates the turbidity of rear described washtub washed water to obtain the first muddy angle value for detecting prewashing, and detection rinsing suspends the turbidity of rear described washings to obtain the second muddy angle value; Conductivity sensor, for detecting the conductivity value of described washings after rinsing suspends; Controller, described controller is connected with described detergent throwing device, described turbidity sensor and described conductivity sensor respectively, for carrying out prewashing control, and generate described washing agent injected volume signal according to the first muddy angle value, and carry out rinsing control according to described second muddy angle value and described conductivity value.
According to washing machine of the present utility model, by arranging turbidity sensor and conductivity sensor, muddy angle value according to the washings after prewashing judges clothing cleanliness factor, and then washing agent injected volume when determining main washing according to clothing cleanliness factor, can ensure that clothes washing is clean, when rinsing, control according to the muddy angle value of washings and electrical conductivity, clothing rinsed clean can be ensured, reach zero residual effect as much as possible, avoid the residual injury to wearer.
Particularly, described washing agent storage box is positioned at rear portion or the inside of described casing.
Wherein, described turbidity sensor and described conductivity sensor are integrated into a sensory package.
Further, described detergent throwing device comprises: pump configuration, and described pump configuration is connected with described controller, for being extracted to described washtub by the washing agent in described washing agent storage box.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the washing machine according to an embodiment of the present utility model;
Fig. 2 is the flow chart of the control method of washing machine according to an embodiment of the present utility model; And
Fig. 3 is the flow chart of the control method of washing machine according to a specific embodiment of the present utility model.
Reference numeral:
Washing machine 100,
Casing 10, washtub 20, motor 30, washing agent storage box 40, detergent throwing device 50, conductivity sensor 60, turbidity sensor 70, controller (not identifying in figure).
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The washing machine and control method thereof that propose according to the utility model embodiment are described with reference to the accompanying drawings.
Fig. 1 is the schematic diagram of the washing machine according to an embodiment of the present utility model, as shown in Figure 1, this washing machine 100 comprises casing 10, washtub 20, motor 30, washing agent storage box 40, detergent throwing device 50, turbidity sensor 60, conductivity sensor 70 and controller (not indicating in figure).
Wherein, washtub 20 is the inner core of washing machine, and clothing washs in washtub 20.Washing agent storage box 40 is the storeroom of washing agent, and washing agent can first be stored in washing agent storage box 40 by user, and washing machine procedure needs to extract appropriate washing agent by detergent throwing device 50 according to washing.Particularly, washing agent storage box 40 can be positioned at rear portion or the inside of the casing 10 of washing machine 100, and the position of washing agent storage box 40 can be arranged according to the concrete structure of washing machine 100 or needs.Detergent throwing device 50 is for rendering in washtub 20 according to washing agent injected volume signal by the washing agent in washing agent storage box 40, particularly, in an embodiment of the present utility model, detergent throwing device 50 comprises pump configuration, this pump configuration is connected with controller, for the washing agent in washing agent storage box 40 is extracted in washtub 20, in other words, the washing agent in washing agent storage box 40 can be extracted in washtub 20 by new-type extraction modes such as pumps by detergent throwing device 50.
Turbidity transducer 60 terminates the turbidity of rear washtub 20 washed water to obtain the first muddy angle value for detecting prewashing, particularly, after program for washing starts, first control washing machine inflow to prewashing water level, and the washing agent being extracted prewashing amount by detergent throwing device 50 is in washtub 20, control washing machine 100 and carry out prewashing, namely washing machine 100 carries out the prewashing of a short time, after prewashing terminates, turbidity in washtub 20 is detected to obtain the first muddy angle value by turbidity transducer 60, substantially, the degree of fouling of clothing tentatively can be judged by the muddy angle value after prewashing.
Turbidity transducer 60 also suspends the turbidity of rear washings to obtain the second muddy angle value for detecting rinsing, conductivity sensor 70 is for detecting the conductivity value of washings after rinsing suspends, wherein, turbidity sensor 60 and conductivity sensor 70 can be independent sensor, also can be integrated into a sensory package (as shown in fig. 1).The turbidity of washings and conductivity value and its degree of fouling, residually how much there is relation, so in rinse cycle, clothing whether rinsed clean can be judged by the turbidity and electrical conductivity detecting washings.
Controller respectively with detergent throwing device 50, turbidity sensor 60 is connected with conductivity sensor 70, controller carries out prewashing control, namely after controller detects that program for washing starts, first control the prewashing that washing machine 100 carries out the short time, after prewashing, control turbidity transducer 60 and detect the turbidity of washings to generate the first muddy angle value, controller is according to the first muddy angle value generating washing agent injected volume signal, particularly, controller tentatively judges the degree of fouling of clothing according to the first muddy angle value, and then consider the degree of fouling of clothing, clothes weight, the parameters such as the water yield determine the washing agent injected volume when main washing procedure, with generating washing agent injected volume signal, and by washing agent injected volume Signal transmissions to detergent throwing device 50, detergent throwing device 50 extracts the washing agent of corresponding amount in washtub 20 from washing agent storage box 40 according to this signal, and control washing machine 100 water inlet to main wash water position to carry out main washing.
Controller is also for carrying out rinsing control according to the second muddy angle value and conductivity value, particularly, controller controls washing machine 100 and carries out rinsing, after rinsing suspends, controller reads muddy angle value and the conductivity value of the current washings of turbidity sensor 60 and conductivity sensor 70 detection, and compare with the turbidity value calibration value prestored and conductivity value calibration value, if the turbidity of the current washings i.e. difference of the second muddy angle value and turbidity calibration value is less than set turbidity threshold value, and the difference of the conductivity value of current washings and electrical conductivity calibration value is less than when setting conductivity threshold, show in washings, do not had spot and washing agent to remain, and then in proof clothing, do not had spot and washing agent to remain, namely zero residual effect is reached, then control washing machine 100 and carry out draining, program for washing terminates.If the turbidity of the current washings i.e. difference of the second muddy angle value and turbidity calibration value is greater than set turbidity threshold value, and/or, the conductivity value of current washings and the difference of electrical conductivity calibration value are greater than when setting conductivity threshold, show the non-rinsed clean of clothing, then control washing machine 100 and again carry out rinsing, circulation like this, until meet Rule of judgment, reaches zero residual effect.
According to the washing machine of the utility model embodiment, clothing cleanliness factor is judged by the muddy angle value of the washings after prewashing, washing agent injected volume when determining main washing according to clothing cleanliness factor, can ensure that clothes washing is clean, when rinsing, control according to the muddy angle value of washings and electrical conductivity, clothing rinsed clean can be ensured, reach zero residual effect as much as possible, avoid the residual injury to wearer.
Wherein, carrying out in rinsing control procedure, controller record rinsing times, when rinsing times reaches the threshold value such as maximum times of setting, but still do not reaching zero residual effect, then control washing machine 100 and terminate program for washing, to save time.
In addition, in order to ensure the accuracy of judged result, after rinsing terminates the last time, controller can read muddy angle value and the conductivity value of the current washings of turbidity sensor 60 and conductivity sensor 70 detection, turbidity calibration value and electrical conductivity calibration value are revised, such as, using the muddy angle value of the washings after rinsing terminates as new turbidity calibration value, just rinsing terminate after the conductivity value of washings as new electrical conductivity calibration value.
The utility model on the other hand embodiment also proposes a kind of control method of washing machine, and this control method can complete monitoring laundry processes, carries out intelligence washing, gets rid of various factors impact, reach spot, effect that washing zero remains.
The control method of the washing machine of the utility model embodiment, based on the washing machine with turbidity sensor and conductivity sensor described in above-mentioned aspect.
Fig. 2 is the flow chart of the control method of washing machine according to an embodiment of the present utility model, and as shown in Figure 2, this control method comprises the following steps:
S1, controls washing machine inflow to prewashing water level, drops into prewashing amount washing agent, controls washing machine prewashing and presets the prewashing time.
That is, after detecting that program for washing starts, the prewashing that washing machine carries out the short time is first controlled.
S2, detects the turbidity of washings to obtain the first muddy angle value.
After prewashing, obtain the muddy angle value of washings, tentatively can be judged the degree of fouling of clothing by this muddy angle value, and then data basis can be provided for follow-up control procedure.
S3, the threshold range belonging to the first muddy angle value determines main washing washing agent injected volume.
It should be noted that, the main washing washing agent injected volume that each first muddy angle value scope that can prestore is corresponding, namely after tentatively judging the degree of fouling of clothing, determine washing agent injected volume during corresponding main washing, actually, need the washing agent injected volume that the parameter such as degree of fouling, clothes weight, the water yield considering clothing is determined when main washing procedure, thus can ensure that clothes washing is clean.
In an embodiment of the present utility model, the threshold range belonging to the first muddy angle value determines that main washing washing agent injected volume specifically comprises:
When meeting A1-A0>K1, determine that washing agent injected volume is M1;
When meeting K2≤A1-A0≤K1, determine that washing agent injected volume is M2;
When meeting A1-A0<K2, determine that washing agent injected volume is M3;
Wherein, A1 is the first muddy angle value, and A0 is turbidity calibration value, K1 and K2 is predetermined threshold value, K2<K1.
S4, carries out main washing according to main washing washing agent injected volume and controls and reach default wash time.
Control washing machine inflow to main water level, and from washing agent storage box, extract the washing agent of corresponding main washing washing agent injected volume in washtub by detergent throwing device, carry out main washing, and reach default wash time.
S5, carries out rinsing, and reaches default rinsing time.
After reaching default rinsing time, suspend rinsing, and enter step S6.
S6, detects the turbidity of washings to obtain the second muddy angle value, and detects the conductivity value of washings.
Namely, when each rinsing suspends, turbidity and the electrical conductivity of current washings is read.The turbidity of washings and conductivity value and its degree of fouling, residually how much there is relation, so in rinse cycle, clothing whether rinsed clean can be judged by detecting the turbidity of washings and electrical conductivity, thus can ensure in clothing, there is dirty remaining, avoid the residual injury to wearer.
S7, carries out rinsing control according to the second muddy angle value and conductivity value.
Particularly, judge whether to meet A2-A0<K0 and T1-T0<L0, wherein, A2 is the second muddy angle value, A0 is turbidity calibration value, and K0 is corresponding zero residual turbidity threshold value, and T1 is conductivity value, T0 is electrical conductivity calibration value, L0 is corresponding zero residual conductivity threshold, if met, shows that clothing is clean, reach spot and the residual effect of washing agent zero, then rinsing terminates.
If do not met, then show to go back residual stains or washing agent in clothing, do not have rinsing thorough, but in order to weigh matter of time, judge whether rinsing times is more than or equal to default rinsing times and such as sets maximum rinsing times further, be generally 3-4 time, if rinsing times is more than or equal to preset times, then rinsing terminates; If rinsing times is less than default rinsing times, then return step S5, proceed rinsing.
Can find out, the control method of the washing machine of the utility model embodiment, the degree of fouling of clothing is tentatively judged by the turbidity obtaining washings after prewashing, and then according to the degree of fouling of clothing determine main washing time washing agent injected volume, washes clean can be ensured, and then when rinsing, obtain turbidity and the electrical conductivity of washings, and the cleanliness factor of clothing is judged according to the turbidity in rinse cycle and electrical conductivity, thus can be bundled into rinsed clean, ensure not have in clothing dirty, washing agent to remain, avoid the residual injury to user.
Further, in order to ensure each accuracy judged, after rinsing terminates, turbidity calibration value and electrical conductivity calibration value are revised, such as, after rinsing, detect muddy angle value and the conductivity value of current washings, turbidity calibration value is replaced with current muddy angle value i.e. the second muddy angle value, by the second current muddy angle value of washings as new turbidity calibration value, and current electrical conductivity calibration value is replaced with current conductivity value, by the current conductivity value of washings as new electrical conductivity calibration value, for judgement next time.
Fig. 3 is the flow chart of the control method of washing machine according to a specific embodiment of the present utility model, and as shown in Figure 3, this control method comprises the following steps:
S10, detects that program for washing starts.
S11, carries out prewashing.
S12, detects turbidity size A1.
S13, judges whether to meet A1-A0>K1, if so, then enters step S14, otherwise enters step S15.
S14, drops into washing agent M1.
S15, judges whether to meet K2≤A1-A0≤K1, if so, then enters step S16, otherwise enter step S17.
S16, drops into washing agent M2.
S17, judges whether to meet A1-A0<K2, if so, then enters step S18.
S18, drops into washing agent M3.
S19, carries out main washing, reaches default wash time.
S20, carries out rinsing, reaches default rinsing time.
S21, detects turbidity size A2 and electrical conductivity T1.
S22, judges whether to meet A2-A0<K0 and T1-T0<L0, if met, enters step S24, otherwise enters step S23.
S23, judges whether rinsing times is greater than N, and N is the maximum rinsing times of setting.If so, then enter step S24, otherwise return step S20.
S24, revises A0 and T0.
S25, program for washing terminates.
Put it briefly, after user starts program for washing, after washing machine ponding prewashing a period of time, the turbidity size of washings is detected by turbidity sensor, and turbidity and internal haze calibration value are compared, confirm to drop into detergent amount according to comparative result, carry out main washing and first time rinsing, after first time rinsing, detect turbidity and the electrical conductivity of washings, and this turbidity and electrical conductivity are continued rather to compare with turbidity calibration value and electrical conductivity calibration value respectively, when the difference of turbidity and the difference of electrical conductivity are less than certain coefficient threshold, show that clothing is cleaned, rinse, namely spot and washing agent all reach zero remain, when difference is not less than this coefficient threshold, show in clothing, to go back residual stains or washing agent, need to proceed rinsing, circulation like this, until reach zero residual effect.In rinsing controls, in order to weigh matter of time, also need to record rinsing times, after reaching maximum set point number, do not reach zero in time and remain, control program for washing yet and terminate, and turbidity calibration value and electrical conductivity calibration value are revised, to use next time.
The control method of the washing machine of the utility model embodiment, can do washing by complete monitoring, according to the clean level of clothing, reasonably select consumption and the wash time of washing agent injected volume, water, reach the object of clean clothing, the residual of washing agent on clothing can also be removed completely, avoid the washing agent do not removed to the damage of skin.
It should be noted that, in the description of this description, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of preferred embodiment of the present utility model comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiment person of ordinary skill in the field of the present utility model.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (5)
1. a washing machine, is characterized in that, comprising:
Casing, washtub and motor;
Washing agent storage box and detergent throwing device, described detergent throwing device is used for rendering in described washtub according to washing agent injected volume signal by the washing agent in described washing agent storage box;
Turbidity sensor, terminates the turbidity of rear described washtub washed water to obtain the first muddy angle value for detecting prewashing, and detection rinsing suspends the turbidity of rear described washings to obtain the second muddy angle value;
Conductivity sensor, for detecting the conductivity value of described washings after rinsing suspends;
Controller, described controller is connected with described detergent throwing device, described turbidity sensor and described conductivity sensor respectively, for carrying out prewashing control, and generate described washing agent injected volume signal according to described first muddy angle value, and carry out rinsing control according to described second muddy angle value and described conductivity value.
2. washing machine as claimed in claim 1, it is characterized in that, described washing agent storage box is positioned at the rear portion of described casing.
3. washing machine as claimed in claim 1, it is characterized in that, described washing agent storage box is positioned at the inside of described casing.
4. washing machine as claimed in claim 1, it is characterized in that, described turbidity sensor and described conductivity sensor are integrated into a sensory package.
5. washing machine as claimed in claim 1, it is characterized in that, described detergent throwing device comprises:
Pump configuration, described pump configuration is connected with described controller, for being extracted to described washtub by the washing agent in described washing agent storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586118.7U CN204959356U (en) | 2015-08-06 | 2015-08-06 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586118.7U CN204959356U (en) | 2015-08-06 | 2015-08-06 | Washing machine |
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| CN204959356U true CN204959356U (en) | 2016-01-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088651A (en) * | 2015-08-06 | 2015-11-25 | 无锡小天鹅股份有限公司 | Washing machine and control method thereof |
| CN107938261A (en) * | 2017-12-28 | 2018-04-20 | 厦门翰普电子有限公司 | Electrolytic cell detection washing machine detergent residual device and method |
| CN108796990A (en) * | 2018-06-29 | 2018-11-13 | 无锡和晶科技股份有限公司 | A kind of washing machine prevents the control method of clothes dyeing |
| CN108852236A (en) * | 2018-06-20 | 2018-11-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Wash electric appliance and its detergent throwing device, method |
| CN110735291A (en) * | 2018-07-20 | 2020-01-31 | 青岛海尔洗衣机有限公司 | turbidity detection device, washing machine and control method thereof |
-
2015
- 2015-08-06 CN CN201520586118.7U patent/CN204959356U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088651A (en) * | 2015-08-06 | 2015-11-25 | 无锡小天鹅股份有限公司 | Washing machine and control method thereof |
| CN105088651B (en) * | 2015-08-06 | 2018-08-28 | 无锡小天鹅股份有限公司 | Washing machine and its control method |
| CN107938261A (en) * | 2017-12-28 | 2018-04-20 | 厦门翰普电子有限公司 | Electrolytic cell detection washing machine detergent residual device and method |
| CN108852236A (en) * | 2018-06-20 | 2018-11-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Wash electric appliance and its detergent throwing device, method |
| CN108796990A (en) * | 2018-06-29 | 2018-11-13 | 无锡和晶科技股份有限公司 | A kind of washing machine prevents the control method of clothes dyeing |
| CN110735291A (en) * | 2018-07-20 | 2020-01-31 | 青岛海尔洗衣机有限公司 | turbidity detection device, washing machine and control method thereof |
| CN110735291B (en) * | 2018-07-20 | 2023-07-21 | 重庆海尔洗衣机有限公司 | Turbidity detection device, washing machine and control method of washing machine |
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Effective date of registration: 20190808 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
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