CN104975469A - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
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- CN104975469A CN104975469A CN201410145618.7A CN201410145618A CN104975469A CN 104975469 A CN104975469 A CN 104975469A CN 201410145618 A CN201410145618 A CN 201410145618A CN 104975469 A CN104975469 A CN 104975469A
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Abstract
The invention provides a washing machine and a control method thereof. The washing machine comprises at least one weighing sensor and a controller. The weighing sensors are used for obtaining the weight of clothes and/or water in a washing drum of the washing machine through weighing. When the washing machine performs washing, the controller calculates the weight of target washing inflow water according to the weight of dry clothes in the washing drum and calculates the weight of current washing inflow water according to the weight, obtained by the weighing sensors, of the clothes and/or water in the washing drum; when the weight of the current washing inflow water reaches the weight of the target washing inflow water, the controller controls the washing machine to stop water inflow. The washing machine can achieve accurate weighing, the water inflow can be controlled in washing or rinsing without water level detection, fuzzy prediction on dewatering time can be achieved, increasing user requirements can be met, and a foundation is laid for development of new functions of washing machines.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, the control method of particularly a kind of washing machine, and washing machine.
Background technology
Along with the development of washing machine industry, and the raising that user requires washing machine, the function of washing machine is more and more diversified, thus also more and more higher to the requirement of washing machine parameters such as function of weighing, water inlet precision, dehydration moisture content etc., but, at present, washing machine generally carries out fuzzy weighing by Weighing module, by level sensor sensed water level and then the water inlet precision controlling washing machine, when dewatering, by setting dewatering time, after reaching setting-up time, control washing machine stop dehydration.Carry out cardinal principle to washing machine basic parameter accurately to control, often can not meet the requirement that user improves constantly washing machine requirement.
Summary of the invention
Object of the present invention is intended to solve above-mentioned technical problem at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of washing machine, this washing machine can accurately be weighed, do not need to carry out water level detecting and realize wash, rinsing time water inlet problem, can fuzzy dewatering time, meet the requirement that user improves constantly, for the exploitation of washing machine New function lays the first stone.
Another object of the present invention is the control method proposing a kind of washing machine.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of washing machine, and this washing machine comprises at least one LOAD CELLS, obtains the weight of washing machine tub undergarment and/or the weight of water for weighing; Controller, when washing machine washs, described controller is according to the Weight computation target of drying in described wash bucket washing water inlet weight, and the weight of the wash bucket undergarment obtained according to described LOAD CELLS and/or water calculates current washing and to intake weight; And when described current washing water inlet weight reaches described target washing water inlet weight, control described washing machine and stop water inlet.
According to the washing machine of the embodiment of the present invention, the weight of wash bucket undergarment fed back according at least one LOAD CELLS by controller and the weight of water, control washing of drum type washing machine inflow, do not need water level detection part, weighing precision can be improved, meet the requirement of user to washing machine further, for the exploitation of the follow-up New function of washing machine lays the first stone.
In some embodiments of the invention, when described washing machine carries out rinsing, described controller is according to the Weight computation desired dehydration water inlet weight of clothing wet in described wash bucket, and according to the current rinsing inflow weight of Weight computation of described wash bucket undergarment and/or water, and when described current rinsing inflow weight reaches described target rinsing inflow weight, control described washing machine and stop water inlet.
In some embodiments of the invention, when described washing machine dewaters, at least one LOAD CELLS described is weighed the weight of wet clothing in described wash bucket in real time, described controller is according to the Weight computation dehydration moisture content of the weight of described wet clothing and drying corresponding to described wet clothing, and when described dehydration moisture content is less than or equal to default moisture content, controls described washing machine and stop dehydration.
In one particular embodiment of the present invention, described controller is according to the moisture content that dewaters described in following formulae discovery:
P=(B-A)/A, wherein
P is described dehydration moisture content, the real-time weight of the clothing that wets when B is described laundry machine dehydration, and A is the drying weight that described wet clothing is corresponding.
The weight of wash bucket undergarment fed back according at least one LOAD CELLS by controller and the weight of water, control the rinsing inflow amount of washing machine, and dewatering time during dehydration, do not need water level detection part, weighing precision can be improved, meet the requirement of user to washing machine further, for the exploitation of the follow-up New function of washing machine lays the first stone.
In some embodiments of the invention, described washing machine also comprises: display, and described display is used for the relevant parameter shown in real time in clothes washing process.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of control method of washing machine, and the control method of this washing machine comprises the following steps: weigh and obtain the weight of washing machine tub undergarment and/or the weight of water; When washing machine washs, according to the Weight computation target washing water inlet weight of drying in described wash bucket, and calculate current washing water inlet weight according to the weight of described wash bucket undergarment and/or water; And when described current washing water inlet weight reaches described target washing water inlet weight, control described washing machine and stop water inlet.
According to the control method of the washing machine of the embodiment of the present invention, according to the weight of wash bucket undergarment and the weight of water of feedback, control the washing inflow of washing machine, do not need water level detection part, weighing precision can be improved, meet the requirement of user to washing machine further, for the exploitation of the follow-up New function of washing machine lays the first stone.
In some embodiments of the invention, also comprise: when described washing machine carries out rinsing, according to the Weight computation desired dehydration water inlet weight of clothing wet in described wash bucket, and according to the current rinsing inflow weight of Weight computation of described wash bucket undergarment and/or water; When described current rinsing inflow weight reaches described target rinsing inflow weight, control described washing machine and stop water inlet.
In some embodiments of the invention, also comprise: when washing machine dewaters, detect the weight of wet clothing in described wash bucket in real time; According to the Weight computation dehydration moisture content of the weight of described wet clothing and drying corresponding to described wet clothing; And when described dehydration moisture content is less than or equal to default moisture content, controls described washing machine and stop dehydration.
In some embodiments of the invention, according to the moisture content that dewaters described in following formulae discovery:
P=(B-A)/A, wherein
P is described dehydration moisture content, the real-time weight of the clothing that wets when B is described laundry machine dehydration, and A is the drying weight that described wet clothing is corresponding.
According to the weight of wash bucket undergarment and the weight of water of feedback, control the rinsing inflow amount of washing machine, and dewatering time during dehydration, do not need water level detection part, weighing precision can be improved, meet the requirement of user to washing machine further, for the exploitation of the follow-up New function of washing machine lays the first stone.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention;
Fig. 2 is the front schematic view of washing machine according to an embodiment of the invention;
Fig. 3 is the flow chart of the control method of washing machine according to an embodiment of the invention;
Fig. 4 is the flow chart of the control method of washing machine according to another embodiment of the invention; And
Fig. 5 is the flow chart of the control method of washing machine according to still a further embodiment.
Reference numeral
At least one LOAD CELLS 10 and controller 20, display 30.
Detailed description of the invention
Be described below in detail embodiments of the invention, 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.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
The control method of a kind of washing machine and the washing machine proposed according to the embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of washing machine according to an embodiment of the invention.As shown in Figure 1, the washing machine of the embodiment of the present invention comprises at least one LOAD CELLS 10 and controller 20.Fig. 2 is the front sectional drawing of washing machine according to an embodiment of the invention.Wherein, at least one LOAD CELLS 10 is for the weight of washing machine tub undergarment and/or the weight of water of weighing, such as at least one LOAD CELLS 10 is according to the change of object in wash bucket, differently strained amount can be produced, thus the weight of object can be obtained according to dependent variable, at least one LOAD CELLS 10 can be installed on the inside of washing machine body 1 such as shell, particular location can be on internal body, under, left, the right side, at least one LOAD CELLS 10 also can be positioned at washing machine foot, the weight of object can weighed in washing machine tub, not by the restriction of locus.When washing machine washs, controller 20 is according to the Weight computation target washing water inlet weight of drying in wash bucket, and according to the Weight computation of wash bucket undergarment and/or water current washing water inlet weight, and when current washing water inlet weight reaches target washing water inlet weight, control washing machine and stop water inlet.
Particularly, in order to accurately weigh, at least one LOAD CELLS 10 can adopt the sensor with high-precision weighing function, drying weight in wash bucket of can accurately weighing, thus realizes other functions to washing machine and have many benefits.Be described for a LOAD CELLS below, after clothing is put into washing machine tub by user, LOAD CELLS is weighed the weight of drying, and drying gravimetric value is fed back to controller 20, and then controller 20 is according to drying Weight computation target washing water inlet weight, such as, the target washing water inlet weight obtaining corresponding drying weight by tabling look-up.The washing machine of the embodiment of the present invention does not have the parts such as level sensor of sensed water level function, the weight of the laundry inner bucket water that controller 20 is weighed according to LOAD CELLS, judge whether water inlet weight reaches target washing water inlet weight, if current washing water inlet weight reaches target washing water inlet weight, then control washing machine and stop water inlet, wash.
In one embodiment of the invention, when washing machine carries out rinsing, also the judgement of inflow when the weight can fed back by LOAD CELLS is dewatered, controller 20 is according to the Weight computation desired dehydration water inlet weight of clothing wet in wash bucket, mode such as by tabling look-up, obtain the desired dehydration water inlet weight of corresponding wet clothing weight, and according to laundry inner bucket water the current rinsing inflow weight of Weight computation, and when current rinsing inflow weight reaches target rinsing inflow weight, control washing machine and stop water inlet, carry out rinsing.
Further, after washing machine completes rinsing, when dewatering, at least one LOAD CELLS 10 is weighed the weight of wet clothing in wash bucket in real time, controller 20 is according to the Weight computation dehydration moisture content of the weight of wet clothing and drying corresponding to wet clothing, and when the moisture content that dewaters is less than or equal to default moisture content, controls washing machine and stop dehydration.Particularly, when washing machine dewaters, need not arrange fixing dewatering time, in dehydration, washing machine does not have dewatering time and rotating speed restriction, dehydration is with the program of Fuzzy Time, and such as dewatering time can be controlled by the weight data of at least one LOAD CELLS 10 feedback.In at least one LOAD CELLS 10 Real-time Feedback wash bucket, the weight information of wet clothing is to controller 20, and then the drying Weight computation clothes dewatering moisture content that controller 20 is corresponding according to wet clothing weight and this wet clothing weight, in one particular embodiment of the present invention, controller 20 can according to following formulae discovery dehydration moisture content:
P=（B-A）/A，
Wherein, P is dehydration moisture content, and the real-time weight of the clothing that wets when B is laundry machine dehydration, A is the drying weight that wet clothing is corresponding.
Controller 20 calculates the dehydration moisture content obtaining clothing, and then this dehydration moisture content and default moisture content are compared, when the dehydration moisture content of clothing is less than or equal to default moisture content, controls washing machine and stop dehydration, wherein presetting moisture content can be arranged as required.
In addition, in one embodiment of the invention, as shown in Figure 1, the washing machine of the embodiment of the present invention also comprises display 30, display 30 is for showing the relevant parameter in clothes washing process in real time, by display 30, user can see that the parameter such as user of clothes washing process puts into the weight of the drying of clothing at a glance, the weight of wet clothing, water consumption, dehydration moisture.
In sum, according to the washing machine of the embodiment of the present invention, the weight of wash bucket undergarment fed back according at least one LOAD CELLS by controller and the weight of water, control washing inflow and the rinsing inflow amount of washing machine, and dewatering time during dehydration, do not need water level detection part, can weighing precision be improved, meet the requirement of user to washing machine further, for the exploitation of the follow-up New function of washing machine lays the first stone.
The control method of a kind of washing machine proposed according to the embodiment of the present invention is described with reference to the accompanying drawings.
Figure 3 shows that the flow chart of the control method of the washing machine of one embodiment of the present of invention.As shown in Figure 3, the control method of washing machine comprises the following steps:
S1, the weight of washing machine tub undergarment of weighing and/or the weight of water.
After clothing is put into washing machine tub by user, LOAD CELLS is weighed the weight of drying, and drying gravimetric value is fed back to the controller of washing machine, and wherein in order to accurately weigh, LOAD CELLS can adopt the sensor of high-precision weighing function.
S2, when washing machine washs, according to the Weight computation target of drying in clothing bucket washing water inlet weight, and to intake weight according to the current washing of Weight computation of wash bucket undergarment and/or water.
Particularly, according to drying Weight computation target washing water inlet weight, such as, the target washing water inlet weight that can obtain corresponding drying weight by tabling look-up., the weight of laundry inner bucket water is compared with the weight before not intaking meanwhile, and then current washing water inlet weight can be obtained.
S3, when current washing water inlet weight reaches target washing water inlet weight, controls washing machine and stops water inlet, wash.
Particularly, according to the weight of the laundry inner bucket water of feedback, judge whether water inlet weight reaches target washing water inlet weight, if current washing water inlet weight reaches target washing water inlet weight, then control washing machine and stop water inlet, wash.
Washing machine complete washing carry out rinsing time, the judgement of inflow when the weight also can fed back by LOAD CELLS is dewatered, in one embodiment of the invention, as shown in Figure 4, the control method of above-mentioned washing machine also comprises:
S4, when washing machine carries out rinsing, according to the Weight computation desired dehydration water inlet weight of clothing wet in wash bucket, and according to the current rinsing inflow weight of Weight computation of wash bucket undergarment and/or water.
S5, when current rinsing inflow weight reaches target rinsing inflow weight, controls washing machine and stops water inlet, carry out rinsing.
And then after washing machine completes rinsing, in one embodiment of the invention, as shown in Figure 5, the control method of washing machine can also comprise:
S6, when washing machine dewaters, detects the weight of wet clothing in wash bucket in real time.
Particularly, when washing machine dewaters, need not arrange fixing dewatering time, in dehydration, washing machine does not have dewatering time and rotating speed restriction, dehydration is with the program of Fuzzy Time, and the weight data that such as dewatering time can be fed back by least one LOAD CELLS controls.The weight information of wet clothing is to the controller of washing machine at least one LOAD CELLS Real-time Feedback wash bucket.
S7, according to the Weight computation dehydration moisture content of the weight of wet clothing and drying corresponding to wet clothing.
In one particular embodiment of the present invention, can according to following formulae discovery dehydration moisture content:
P=（B-A）/A，
Wherein, P is dehydration moisture content, and the real-time weight of the clothing that wets when B is laundry machine dehydration, A is the drying weight that wet clothing is corresponding.
S8, when the moisture content that dewaters is less than or equal to default moisture content, controls washing machine and stops dehydration.
Calculate the dehydration moisture content obtaining clothing, and then this dehydration moisture content and default moisture content are compared, when the dehydration moisture content of clothing is less than or equal to default moisture content, controls washing machine and stop dehydration, wherein presetting moisture content can be arranged as required.
In sum, according to the control method of the washing machine of the embodiment of the present invention, according to the weight of wash bucket undergarment and the weight of water of feedback, control washing inflow and the rinsing inflow amount of washing machine, and dewatering time during dehydration, do not need water level detection part, can weighing precision be improved, meet the requirement of user to washing machine further, for the exploitation of the follow-up New function of washing machine lays the first stone.
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 the preferred embodiment of the present invention 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 embodiments of the invention person of ordinary skill in the field.
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 invention 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.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
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 invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (9)
1. a washing machine, is characterized in that, comprising:
At least one LOAD CELLS, obtains the weight of washing machine tub undergarment and/or the weight of water for weighing;
Controller, when washing machine washs, described controller according to the Weight computation target washing water inlet weight of drying in described wash bucket, and calculates current washing water inlet weight according to the described wash bucket undergarment of at least one LOAD CELLS acquisition and/or the weight of water; When described current washing water inlet weight reaches described target washing water inlet weight, control described washing machine and stop water inlet.
2. washing machine as claimed in claim 1, it is characterized in that, when described washing machine carries out rinsing, described controller is according to the Weight computation desired dehydration water inlet weight of clothing wet in described wash bucket, and according to the current rinsing inflow weight of Weight computation of described wash bucket undergarment and/or water, and when described current rinsing inflow weight reaches described target rinsing inflow weight, control described washing machine and stop water inlet.
3. washing machine as claimed in claim 1, it is characterized in that, when described washing machine dewaters, at least one LOAD CELLS described is weighed the weight of wet clothing in described wash bucket in real time, described controller is according to the Weight computation dehydration moisture content of the weight of described wet clothing and drying corresponding to described wet clothing, and when described dehydration moisture content is less than or equal to default moisture content, controls described washing machine and stop dehydration.
4. washing machine as claimed in claim 3, it is characterized in that, described controller is according to the moisture content that dewaters described in following formulae discovery:
P=(B-A)/A, wherein
P is described dehydration moisture content, the real-time weight of the clothing that wets when B is described laundry machine dehydration, and A is the drying weight that described wet clothing is corresponding.
5. washing machine as claimed in claim 1, it is characterized in that, described washing machine also comprises:
Display, described display is used for the relevant parameter shown in real time in clothes washing process.
6. a control method for washing machine, is characterized in that, comprises the following steps:
Weigh and obtain the weight of washing machine tub undergarment and/or the weight of water;
When washing machine washs, according to the Weight computation target washing water inlet weight of drying in described wash bucket, and calculate current washing water inlet weight according to the weight of described wash bucket undergarment and/or water; And
When described current washing water inlet weight reaches described target washing water inlet weight, control described washing machine and stop water inlet.
7. the control method of washing machine as claimed in claim 6, is characterized in that, also comprise:
When described washing machine carries out rinsing, according to the Weight computation desired dehydration water inlet weight of clothing wet in described wash bucket, and according to the current rinsing inflow weight of Weight computation of described wash bucket undergarment and/or water;
When described current rinsing inflow weight reaches described target rinsing inflow weight, control described washing machine and stop water inlet.
8. the control method of washing machine as claimed in claim 6, is characterized in that, also comprise:
When washing machine dewaters, detect the weight of wet clothing in described wash bucket in real time;
According to the Weight computation dehydration moisture content of the weight of described wet clothing and drying corresponding to described wet clothing; And
When described dehydration moisture content is less than or equal to default moisture content, controls described washing machine and stop dehydration.
9. the control method of washing machine as claimed in claim 8, is characterized in that, according to the moisture content that dewaters described in following formulae discovery:
P=(B-A)/A, wherein
P is described dehydration moisture content, the real-time weight of the clothing that wets when B is described laundry machine dehydration, and A is the drying weight that described wet clothing is corresponding.
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| CN106757973A (en) * | 2016-10-31 | 2017-05-31 | 无锡小天鹅股份有限公司 | Washing machine |
| CN106894196A (en) * | 2015-12-18 | 2017-06-27 | 北京奇虎科技有限公司 | Washing machine water filling control method and washing machine |
| CN108796987A (en) * | 2018-05-28 | 2018-11-13 | 广州视源电子科技股份有限公司 | A kind of dewatering, system, device and washing machine |
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| CN111876964A (en) * | 2020-08-04 | 2020-11-03 | 江苏新安电器股份有限公司 | Dehydration detection device and detection method for washing machine |
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