CN101929056A - Method for monitoring water-charging process and water-discharging process of washing machine - Google Patents
Method for monitoring water-charging process and water-discharging process of washing machine Download PDFInfo
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- CN101929056A CN101929056A CN2009101480467A CN200910148046A CN101929056A CN 101929056 A CN101929056 A CN 101929056A CN 2009101480467 A CN2009101480467 A CN 2009101480467A CN 200910148046 A CN200910148046 A CN 200910148046A CN 101929056 A CN101929056 A CN 101929056A
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Abstract
The invention discloses a method for monitoring the water-charging process and water-discharging process of a washing machine. The method comprises the following steps: in the water-charging process or water-discharging process, a computer board reads the water level frequency once after a set period of time; and if the water level frequency is not changed compared with the last water level frequency and the set total times of reading and the total time water level frequency are not changed, a water-charging overtime alarm or the water-discharging overtime alarm is executed. Every time when the computer board reads the water level frequency, the water level is compared with a preset water level to judge whether to reach the preset water level; if so, the water-charging process is stopped or the water-discharging process is started; if not, the water level frequency is compared with the next water level frequency to judge whether the water level frequency is charged; and the preset water level is the washing water level or empty water level. By adopting the method of the invention, the changes of the water level can be detected dynamically in the water-charging process or water-discharging process to judge whether the water-charging or water-discharging state is normal; and when the water-charging or water-discharging state is abnormal, the water-charging process or water-discharging process is stopped and the user is informed through the alarm.
Description
Technical field
The present invention relates to a kind of washing machine Inlet and outlet water method, especially a kind of can the real-time judge Inlet and outlet water normal method for monitoring water-charging process and water-discharging process of washing machine whether.
Background technology
Present washing machine inflow control, adopt directly mostly by the method for water intake valve to designated water level, if hydraulic pressure is low or the user forgets and turns on the tap, then to setting the mode that the water inlet control time reports to the police as 15 fens kinds or 30 fens kinds, can change the time according to type, though this kind method is simple, but the water inlet process control is more stiff, if hydraulic pressure is too low, resemble the area of rural area or pressure of supply water deficiency and the place of adopting the water tank water accumulating and supplying, the flooding time that will occur setting can not arrive designated water level as 15 fens kinds or 30 fens kinds and the problem of reporting to the police, and causes automatic washing machine normally not use, and the user forgets and turns on the tap for another example, washing machine is not intake, also the flooding time that will set by the time just can be reported to the police as 15 fens kinds or 30 fens kinds, cuts off the water intaking valve power supply, causes the water intaking valve long period in running order, influence the life-span, and can not in time remind user's tap of fetching boiling water, influence washing machine work, lose time.
Washing machine inflow control now comprises two aspects: solenoid control water route break-make; Level sensor changes signal of telecommunication feedback to the computer plate into by the air pressure change that SEA LEVEL VARIATION is caused, and then the switch of control electromagnetic valve.The current water level control procedure is: during water inlet, single-chip microcomputer reads the water level frequency values that level sensor obtains, the normal water level that sets with program compares, do not set water level if reach, then keep water intaking valve to open and continue water inlet, if reached designated water level then close water intaking valve and carry out down-stream, method flow as shown in Figure 1.
Application number is that 200710041728.9 Chinese patent discloses a kind of automatic water supply regulating system for washing machine, on existing basis of using electromagnetic valve fixing automatic washing machine as inlet valve and flooding time, between washing machine inflow valve outlet pipe and washtub, insert the subsidiary water pipe of one section built-in Pitot tube, Pitot tube curves the right angle, hemispherical nose has the flow direction of dynamic pressure passway over against water inlet, tube wall front end side has the static pressure passway, dynamic pressure passage and static pressure passage extend to the end of Pitot tube, the dynamic pressure and the static pressure of water supply current are measured by dynamic pressure pressure tap that forms and static pressure pressure tap place setting pressure sensor respectively, hydraulic signal amplifies by signal respectively, analog-to-digital conversion, the input single-chip microcomputer, calculate inflow and judge whether reach institute's water requirement in view of the above by single-chip microcomputer, and then the control inlet valve is closed.This invention is to regulate the washing machine inflow time by the improvement of structure on the washing machine inflow pipeline, but having the washing machine of making production cost, this structure increases, and complex structure, the shortcoming that service life is short, in addition, can not intake or flooding time is reminded the user in long at washing machine, lose time.
Application number is the control method that 200610040753.0 Chinese patent discloses a kind of barrel washing machine water inflow, comprises step: start water inlet; Detection is intake to the required actual flooding time Δ T of the second flooding parameter value by the first flooding parameter value; With more described actual flooding time Δ T with reference to flooding time TDEFAUIT, if actual flooding time Δ T greater than reference flooding time TDEFAULT, then replenishes water inlet; Otherwise need not replenish water inlet.According to above-mentioned judged result, if actual flooding time is greater than the reference flooding time, the subnormal hydraulic pressure of hydraulic pressure of then explanation reality water inlet, replenish water inlet this moment, even and then guarantee under the operating position of low hydraulic pressure, the inflow of washing machine also can reach the inflow of standard, thereby guarantees the clean result and the wash effect of washing clothes; If actual flooding time is less than or equal to reference to flooding time, then the hydraulic pressure of the actual water inlet of explanation is more than or equal to normal hydraulic pressure, and need not replenish water inlet and can guarantee that inflow reaches the inflow of standard this moment.
Said method judges by actual flooding time and the contrast of setting the flooding time setup parameter whether inflow is suitable, and still, this detects and is fixed test, if hydraulic pressure is labile state, then testing result has very big error.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, the method for monitoring water-charging process and water-discharging process of washing machine that a kind of detection of dynamic SEA LEVEL VARIATION immediately is provided and can in time reports to the police.
For solving the problems of the technologies described above, the present invention adopts the basic design of technical scheme to be: a kind of method for monitoring water-charging process and water-discharging process of washing machine, in water inlet or the exiting water process, read the water level frequency one time every a setting-up time computer plate, if contrasting the water level frequency that read last time, the water level frequency that this time read do not change, and through setting read total degree or total time the water level frequency all do not change, then carry out and intake or the overtime warning of water outlet.
More each computer plate reaches this water level with the water table ratio of presetting after reading the water level frequency, then stop into water or draining if reach this designated water level, more whether if do not have then to change with the water level frequency ratio that reads next time, this default water level is water level or empty water level.
The storage of water level frequency that the computer plate will read at every turn, with the water level frequency ratio that reads next time.
The concrete steps of method for supervising are during water inlet:
A. begin water inlet;
B. the computer plate reads current water level frequency and is designated as f
1
C. judge this water level frequency f
1Whether reach the preset standard water level, if then stop into water; Then enter next step if not;
D. the computer plate reads the water level frequency and is designated as f behind time interval t
i, i is the integer greater than 1, and record computer plate reading times i;
E. judge the water level frequency f
iWhether reach the preset standard water level, if then stop into water; Then enter next step if not;
F. judge the water level frequency f
iWhether greater than f
(i-1)If,, then forwarding steps d to, the computer plate reads the water level frequency and is designated as f behind time interval t
(i+1)If not, then enter next step;
G. calculate and read total degree or whether total time reaches setting value, if not, then forward steps d to, the computer plate reads the water level frequency and is designated as f behind time interval t
(i+1)If then enter next step;
H. the overtime warning of intaking.
Wherein, in above-mentioned g step, calculate and to read total degree or whether reach total time in the setting value, calculate the total degree that reads or total time and be the computer plate and read the water level frequency continuously and all satisfy f step middle water level frequency f
iBe not more than f
(i-1)Number of times or time sum.
The concrete steps of method for supervising are during water outlet:
A '. the beginning draining;
B '. the computer plate reads current water level frequency and is designated as g
1
C '. judge this water level frequency g
1Whether be the sky water level, if then stop draining; Then enter next step if not;
D '. the computer plate reads the water level frequency and is designated as g behind time interval t '
j, j is the integer greater than 1, and record computer plate reading times j;
E '. judge water level frequency g
jWhether be the sky water level, if then stop draining; Then enter next step if not;
F '. judge water level frequency g
jWhether less than g
(j-1)If,, then forward steps d to ', the computer plate reads the water level frequency and is designated as g behind time interval t '
(j+1)If not, then enter next step;
G '. total degree is read in calculating or whether total time reaches setting value, if not, then forwards steps d to ', the computer plate reads the water level frequency and is designated as g behind time interval t '
(j+1)If then enter next step;
H '. the overtime warning of water outlet.
Wherein, in above-mentioned g ' step, calculate and to read total degree or whether reach total time in the setting value, calculate the total degree that reads or total time and be the computer plate and read the water level frequency continuously and all satisfy f ' step middle water level frequency g
jBe not less than g
(j- 1)Number of times or time sum.
Sensed water level detects by the level sensor mode, or the mode of use traffic meter calculates the variable quantity of water level, that is, whether by install and use flowmeter on inlet and outlet pipe, calculating has water and the water yield what flow into or flow out washtub.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
Method for monitoring water-charging process and water-discharging process of the present invention, it is the technical characterstic that utilizes instant detection of dynamic SEA LEVEL VARIATION, the Inlet and outlet water that prior art is fixing is judged and control flow is innovated optimization, adopts rational SEA LEVEL VARIATION detection method dynamically to adjust time of fire alarming and the realization of Inlet and outlet water time.No matter be the preceding initial water inlet of washing, or the water inlet of the spray in the washing process, or even the rinse cycle water inlet, reach the draining after washing finishes, can both use this monitoring alarm method.Especially, at the area of rural area or pressure of supply water deficiency and the place of adopting the water tank water accumulating and supplying, can the water inlet in the detection of dynamic SEA LEVEL VARIATION, judge whether the water inlet state is normal, thereby under abnormal conditions, disconnect water inlet and alert notice user, thus prevent the situation that not have to intake inferior wait to wash lose time.In addition, while can also in time find the position that washing machine drum body owing to have leaks or the problem of the poorly sealed draining of intake that causes of water discharging valve, safety problem that preventing leaks causes and waste water resource, the prompting user in time repairs.And when draining, also can in time find to stop up or draining valve damages phenomenons such as the draining that causes has some setbacks, gets nowhere owing to drainpipe.
Compare with existing method, increased sense cycle, current water level frequency is contrasted with preset standard water level frequency earlier, if accurate water level up to standard then stop Inlet and outlet water is not if reach normal water level, then with sensed water level frequency contrast before, if two values do not wait, then replace the water level frequency that detects last blanking time, be used for and detect frequency next blanking time contrasting, and continue a last circulation with current water level frequency; If equate, because blanking time is less, for avoiding false alarm, whether the periodicity of the permission that needs water level relatively to remain unchanged to reach program setting whether or the time of above-mentioned detection reach default total time, reach then and report to the police, less than then continuing above-mentioned circulation.Realize the real-time monitoring of water level by said method, shortened the judgement time that goes wrong before reporting to the police.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Description of drawings
Fig. 1 is a prior art water inletting monitoring method schematic flow sheet;
Fig. 2 is water inletting monitoring method one a flow process schematic diagram of the present invention;
Fig. 3 is water outlet method for supervising one a flow process schematic diagram of the present invention.
The specific embodiment
Method for monitoring water-charging process and water-discharging process of washing machine of the present invention, in water inlet or the exiting water process, read the water level frequency one time every a setting-up time computer plate, if contrasting the water level frequency that read last time, the water level frequency that this time read do not change, and read total degree or all not variations of total time water level frequency through what set, then carry out water inlet or the overtime warning of water outlet, wherein, more each computer plate reaches this water level with the water table ratio of presetting after reading the water level frequency, then stop into water or draining if reach this designated water level, more whether if do not have then to change with the water level frequency ratio that reads next time, this default water level is water level or empty water level.
The washing machine sensed water level is for to detect by the level sensor mode, or the mode of use traffic meter calculates the variable quantity of water level, that is, whether by install and use flowmeter on inlet and outlet pipe, calculating has water and the water yield what flow into or flow out washtub.
The water level frequency storage that the computer plate will read at every turn, with with the water level frequency ratio that reads next time, promptly, when if water level frequency that this time read and the water level frequency ratio that read last time change, the water level frequency that then will this time reads stores replaces the water level frequency that last time stored, whether changing than it, and do not change when this reads with the water level frequency ratio that reads next time, though then constant also be the same water level frequency.
The flow chart of method for supervising during as shown in Figure 2, for water inlet of the present invention:
A. begin water inlet;
B. the computer plate reads current water level frequency and is designated as f
1
C. judge this water level frequency f
1Whether reach the preset standard water level, if then stop into water; Then enter next step if not;
D. the computer plate reads the water level frequency and is designated as f behind time interval t
i, i is the integer greater than 1, and record computer plate reading times i;
E. judge the water level frequency f
iWhether reach the preset standard water level, if then stop into water; Then enter next step if not;
F. judge the water level frequency f
iWhether greater than f
(i-1)If,, then forwarding steps d to, the computer plate reads the water level frequency and is designated as f behind time interval t
(i+1)If not, then enter next step;
G. calculate to read total time whether to reach setting value, if not, then forward steps d to, the computer plate reads the water level frequency and is designated as f behind time interval t
(i+1)If then enter next step;
H. the overtime warning of intaking.
Wherein, in above-mentioned g step, calculate to read and whether reach total time in the setting value, calculate the total time of reading and be the computer plate and read the water level frequency continuously and all satisfy f step middle water level frequency f
iBe not more than f (
I-1)The time sum, also can replace top total time and setting-up time with total degree and set point number.
The schematic flow sheet of method for supervising during as shown in Figure 3, for water outlet of the present invention:
A '. the beginning draining;
B '. the computer plate reads current water level frequency and is designated as g
1
C '. judge this water level frequency g
1Whether be the sky water level, if then stop draining; Then enter next step if not;
D '. the computer plate reads the water level frequency and is designated as g behind time interval t '
j, j is the integer greater than 1, and record computer plate reading times j;
E '. judge water level frequency g
jWhether be the sky water level, if then stop draining; Then enter next step if not;
F '. judge water level frequency g
jWhether less than g (j-1), if then forward steps d to ', the computer plate reads the water level frequency and is designated as g behind time interval t '
(j+1)If not, then enter next step;
G '. calculating is read total degree and whether is reached setting value, if not, then forwards steps d to ', the computer plate reads the water level frequency and is designated as g behind time interval t '
(j+1)If then enter next step;
H '. the overtime warning of water outlet.
Wherein, in above-mentioned g ' step, calculate and to read total degree and whether reach in the setting value, calculate the total degree that reads and be the computer plate and read the water level frequency continuously and all satisfy f ' step middle water level frequency g
jBe not less than g
(j-1)The number of times sum.
Compare with existing method, increased sense cycle, current water level frequency is contrasted with default normal water level frequency earlier, if accurate water level up to standard then stop Inlet and outlet water is not if reach normal water level, then with before sensed water level frequency contrast, if two values do not wait, then replace the water level frequency that detects last blanking time with current water level frequency, be used for and detect frequency next blanking time contrasting, and continue a upper circulation; If equate, because blanking time is littler, for avoiding false alarm, whether the periodicity of the permission that needs water level relatively to remain unchanged whether to reach program setting or the time of above-mentioned detection reach default total time, reach then and report to the police, less than then continuing above-mentioned circulation. Realize the Real-Time Monitoring of water level by above-mentioned method, having shortened the judgement time that goes wrong before reporting to the police.
Claims (8)
1. method for monitoring water-charging process and water-discharging process of washing machine, it is characterized in that: in water inlet or the exiting water process, read the water level frequency one time every a setting-up time computer plate, if contrasting the water level frequency that read last time, the water level frequency that this time read do not change, and through setting read total degree or total time the water level frequency all do not change, then carry out and intake or the overtime warning of water outlet.
2. method for monitoring water-charging process and water-discharging process of washing machine according to claim 1, it is characterized in that: more each computer plate reaches this water level with the water table ratio of presetting after reading the water level frequency, then stop into water or draining if reach this designated water level, more whether if do not have then to change with the water level frequency ratio that reads next time, this default water level is water level or empty water level.
3. method for monitoring water-charging process and water-discharging process of washing machine according to claim 2 is characterized in that: the storage of water level frequency that the computer plate will read at every turn, with the water level frequency ratio that reads next time.
4. method for monitoring water-charging process and water-discharging process of washing machine according to claim 3 is characterized in that: the concrete steps of method for supervising are during water inlet:
A. begin water inlet;
B. the computer plate reads current water level frequency and is designated as f
1
C. judge this water level frequency f
1Whether reach the preset standard water level, if then stop into water; Then enter next step if not;
D. the computer plate reads the water level frequency and is designated as f behind time interval t
i, i is the integer greater than 1, and record computer plate reading times i;
E. judge the water level frequency f
iWhether reach the preset standard water level, if then stop into water; Then enter next step if not;
F. judge the water level frequency f
iWhether greater than f
(i-1)If,, then forwarding steps d to, the computer plate reads the water level frequency and is designated as f behind time interval t
(i+1)If not, then enter next step;
G. calculate and read total degree or whether total time reaches setting value, if not, then forward steps d to, the computer plate reads the water level frequency and is designated as f behind time interval t
(i+1)If then enter next step;
H. the overtime warning of intaking.
5. method for monitoring water-charging process and water-discharging process of washing machine according to claim 3 is characterized in that: the concrete steps of method for supervising are during water outlet:
A '. the beginning draining;
B '. the computer plate reads current water level frequency and is designated as g
1
C '. judge this water level frequency g
1Whether be the sky water level, if then stop draining; Then enter next step if not;
D '. the computer plate reads the water level frequency and is designated as g behind time interval t '
j, j is the integer greater than 1, and record computer plate reading times j;
E '. judge water level frequency g
jWhether be the sky water level, if then stop draining; Then enter next step if not;
F '. judge water level frequency g
jWhether less than g
(j-1)If,, then forward steps d to ', the computer plate reads the water level frequency and is designated as g behind time interval t '
(j+1)If not, then enter next step;
G '. total degree is read in calculating or whether total time reaches setting value, if not, then forwards steps d to ', the computer plate reads the water level frequency and is designated as g behind time interval t '
(j+1)If then enter next step;
H '. the overtime warning of water outlet.
6. method for monitoring water-charging process and water-discharging process of washing machine according to claim 4, it is characterized in that: in the g step, whether calculating is read total degree or is reached total time in the setting value, calculates the total degree read or total time and is the computer plate and read the water level frequency continuously and all satisfy f step middle water level frequency f
iBe not more than f
(i-1)Number of times or time sum.
7. method for monitoring water-charging process and water-discharging process of washing machine according to claim 5, it is characterized in that: in the g ' step, whether calculating is read total degree or is reached total time in the setting value, calculates the total degree read or total time and is the computer plate and read the water level frequency continuously and all satisfy f ' step middle water level frequency g
jBe not less than g
(j-1)Number of times or time sum.
8. according to each described method for monitoring water-charging process and water-discharging process of washing machine of claim 1-7, it is characterized in that: sensed water level is by the level sensor sensed water level, or the mode of use traffic meter is calculated the variable quantity of water level.
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Application publication date: 20101229 |