CN101819415B - Energy saving control method and control device of dehydrator - Google Patents
Energy saving control method and control device of dehydrator Download PDFInfo
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- CN101819415B CN101819415B CN2010101477842A CN201010147784A CN101819415B CN 101819415 B CN101819415 B CN 101819415B CN 2010101477842 A CN2010101477842 A CN 2010101477842A CN 201010147784 A CN201010147784 A CN 201010147784A CN 101819415 B CN101819415 B CN 101819415B
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- microprocessor
- alternating current
- gauge tap
- current generator
- sampled data
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Abstract
The invention provides an energy saving control method and a control device of a dehydrator. The control device comprises a fuse, a dehydration cover switch, a control switch, an AC motor, a running capacitor, a current sensor, a conditioning circuit, a microprocessor and a switching control circuit, wherein the fuse is connected with a firing line L; the dehydration cover switch and the control switch are connected with the fuse in series; the AC motor is connected with a null line N; the running capacitor is connected in series in the secondary winding loop of the AC motor; the current sensor is connected between the control switch and the AC motor; the input end of the conditioning circuit is connected to the output end of the current sensor; the input end of the microprocessor is connected with the output end of the conditioning circuit; and the input end of the switching control circuit is connected with the output end of the microprocessor, and the output end of the switching control circuit is connected with the control switch. The invention measures motor current in real time; and when the difference value of two adjacent detected currents continuously falls into an error range, the control switch is off, and the motor stops running. The invention is simple and feasible, is accurate to control and saves energy.
Description
[technical field]
The present invention relates to a kind of control method, particularly a kind of dewaterer energy-saving control method.
[background technology]
Along with the continuous anxiety of global energy, all trades and professions are all constantly worked hard aspect energy-conservation, with energy savings.
For field of household appliances, washing machine especially, it not only needs water resource, and needs electric resources when work, and therefore, it is energy-conservation that washing machine is accomplished, has very great function concerning washing machine production firm.
At present, most washing machine all is an automatic washing machine, and its course of work comprises the washing and two steps of dewatering at least, therefore, and energy-conservation this two steps that also just are embodied in.Energy-conservation at washing process is the mode that most of manufacturer takes, its power save mode comprise reduce wash time and select to wash by force or a little less than wash, thereby reduce the electric motor starting number of times, and by measuring the number of times that the water clarification degree decides washing; Energy-conservation in dehydration, the mode that most of manufacturers take is to shorten dewatering time by control timer.
For the mode that the employing control timer shortens dewatering time, the time of its timer is artificial the setting, or the dewatering time different according to the different choice of garment material, after dewatering time is determined, no matter how many interior clothings of dehydration barrel has, motor all has only after the time of determining arrives and just can stop, so, if the clothing in the dehydration barrel is less, then might be before definite time arrives, clothing in the bucket has dewatered totally, and motor is also turning round, and the clothing in dehydration barrel more then might be after definite time arrives, motor has shut down, and the clothing in the bucket does not also dewater totally.
In view of above problem, be necessary to provide a kind of dewaterer energy-saving control method and control device that can solve the problems of the technologies described above in fact.
[summary of the invention]
Technical matters to be solved by this invention provides a kind of dewaterer energy-saving control method, and it can effectively control the motor rotation time, and the energy-conservation energy.
For achieving the above object, the invention provides a kind of dewaterer energy-saving control method, may further comprise the steps:
Step 1) provides protective tube (BX), switch (K2) is covered in dehydration, gauge tap (K3), current sensor, alternating current generator (M), electric capacity (C), modulate circuit, microprocessor, ON-OFF control circuit, wherein, protective tube (BX), switch (K2) and gauge tap (K3) are covered in dehydration, current sensor alternating current generator (M) is connected in series, running electric capacity (C) is connected in the auxiliary winding of alternating current generator (M), current sensor is connected between gauge tap (K3) and the alternating current generator (M), the input end of modulate circuit links to each other with the output terminal of current sensor, the input end of microprocessor links to each other with the input end of modulate circuit, the input end of ON-OFF control circuit links to each other with the output terminal of microprocessor, and the output terminal of ON-OFF control circuit links to each other with gauge tap (K3);
Step 2) current sensor is constantly sampled to the electric current of alternating current generator, this sample rate current is converted into voltage signal by modulate circuit, be converted into digital signal by microprocessor, and this digital signal and previous sampled data compared, when the difference that occurs a back sampled data and a preceding sampled data continuously several times falls in the error range, microprocessor instruction gauge tap (K3) disconnects, and alternating current generator shuts down.
As the preferred embodiments of the present invention, further comprise being connected protective tube and dehydration time switch (K1) between the switch (K2) is covered in dehydration;
As the preferred embodiments of the present invention, in step 2) in, when occurring continuously the difference of a back sampled data several times and fall in the error range with an adjacent preceding sampled data, microprocessor startup delay procedure, simultaneously, stop sampling, after delay procedure finishes, restart sampling, after this, if the difference of a back sampled data and an adjacent preceding sampled data still falls in the error range, then the microprocessor instruction control circuit disconnects gauge tap, and alternating current generator shuts down;
As the preferred embodiments of the present invention, in step 2) in, when the difference that occurs continuously a back sampled data and an adjacent preceding sampled data several times falls in the error range, microprocessor starts the timing of its inside, after regularly finishing, the microprocessor instruction control circuit disconnects gauge tap, and alternating current generator shuts down;
As the preferred embodiments of the present invention, described control circuit comprises relay, and it controls the disconnection of gauge tap with closed by the adhesive that drives relay with disconnection.
Dewaterer energy-saving control method of the present invention has the following advantages at least: in dehydration, constantly detect the electric current of motor, and the electric current by motor is as the standard of judging whether dehydration is finished, thereby, control motor running or stop, simple in structure, and save the energy, avoided unnecessary energy dissipation.
[description of drawings]
Fig. 1 is the theory diagram of dewaterer energy-saving control device of the present invention.
Among the figure, the label that element is corresponding with it is as follows:
Gauge tap is covered in BX-protective tube K1-dehydration time switch K2-dehydration
K3-gauge tap K4-reset switch M-alternating current generator
The C-electric capacity that turns round
[embodiment]
Below in conjunction with accompanying drawing dewaterer energy-saving control method of the present invention and control device are described in detail:
See also shown in Figure 1ly, dewaterer energy-saving control device of the present invention comprises the protective tube BX that links to each other with live wire L, the dehydration time switch K1 that connects with protective tube BX, with dehydration time switch K1 tandem dehydration lid K switch 2, cover the gauge tap K3 that K switch 2 is connected with dehydration, the alternating current generator M that links to each other with zero line N, be connected on the running capacitor C in the alternating current generator M auxiliary winding, be connected the current sensor between gauge tap K3 and the alternating current generator, the modulate circuit that links to each other with current sensor, the microprocessor that links to each other with the output terminal of modulate circuit, the ON-OFF control circuit that links to each other with the output terminal of microprocessor.
Protective tube BX, dehydration time switch K1, K switch 2 is covered in dehydration and gauge tap K3 is connected in series, and is connected in series with alternating current generator M through current sensor again, and wherein, protective tube BX is connected with live wire L, and alternating current generator is connected with zero line N.
Need to prove that in other embodiments, dehydration time switch K1 also can Be Controlled K switch 3 replace.
Current sensor is connected between alternating current generator M and the gauge tap K3, adopts non-contact mode measuring sensor or Hall current sensor, so, in dehydration, can constantly monitor the electric current of alternating current generator.
Modulate circuit, its input end links to each other with the output terminal of current sensor, be used to handle the output current signal from current sensor, soon current signal transfers voltage signal to and signal is amplified, and makes modulate circuit can export a voltage signal that satisfies the A/D conversion.
Microprocessor, its input end links to each other with the output terminal of modulate circuit, adopts the inner microprocessor chip that has the A/D conversion, signal to modulate circuit output carries out voltage/digital conversion, be about to voltage signal and transfer digital signal to, and calculate, analyze, produce control signal at last.Control signal is used to control the break-make of gauge tap K3.
In addition, microprocessor is externally connected to a reset switch K4, and when gauge tap K3 disconnection, and after treating that the clothing that dewaters is once more put into dehydration barrel, closing dehydration lid is pushed reset button, thereby made reset switch K4 closure, restarts machine operation.
ON-OFF control circuit, its input end links to each other with the output terminal of microprocessor, comprises relay, and ON-OFF control circuit promptly passes through to drive the adhesive or the disconnection of relay, thereby, the pilot relay contact switch, and then, the closed or disconnection of control gauge tap K3.After K3 disconnected, when waiting to dry clothing when packing into once more, the dehydration lid that closes was pressed reset switch K4, and microprocessor is the relay switch closure of instruction control circuit, thereby K3 is closed once more, restarts machine operation.
Do concrete introduction at dewaterer energy-saving control method of the present invention below:
When clothing to be drained off is put into dehydration barrel and is begun to dewater, current sensor is constantly sampled to the electric current of alternating current generator, sample rate current is converted into voltage signal through modulate circuit, be input to microprocessor again, be converted into digital signal, analyze, calculate, in whole dehydration, constantly current of electric is sampled and repeat above-mentioned steps, when the difference of back sampled value of continuous appearance and an adjacent preceding sampled value during less than the error range of regulation, think that then clothing is in accurate drying state, carries out following program thereupon:
1. startup delay procedure, simultaneously, stop sampling to electric current, treat that delay procedure finishes after, again to current sample, if the difference of sampled value after this moment once and adjacent previous sampled value still falls in the error range, then, the microprocessor instruction control circuit disconnects the contact of relay, thereby gauge tap K3 disconnects, and alternating current generator shuts down.
2. the startup delay procedure at this moment, can continue current sample, also can stop current sample, treat that delay procedure finishes after, the microprocessor instruction control circuit contact of relay is disconnected, thereby gauge tap K3 disconnects, alternating current generator shuts down.
The present invention is in traditional dehydration plant, increase current sensor, in order to the electric current of detection motor, thereby, whether dry by the monitoring of current of electric being judged the clothing in the dehydration barrel, this method is more accurate than traditional method, and avoided unnecessary energy dissipation, simultaneously, because motor has reduced idle running, thereby its life-span also is improved accordingly.
The above only is one embodiment of the present invention, it or not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading instructions of the present invention is claim of the present invention and contains.
Claims (5)
1. dewaterer energy-saving control method is characterized in that: may further comprise the steps:
Step 1) provides protective tube (BX), switch (K2) is covered in dehydration, gauge tap (K3), current sensor, alternating current generator (M), electric capacity (C), modulate circuit, microprocessor, ON-OFF control circuit, wherein, protective tube (BX), switch (K2) and gauge tap (K3) are covered in dehydration, current sensor alternating current generator (M) is connected in series and is connected live wire one end, alternating current generator (M) is connected zero line one end, running electric capacity (C) is connected in the auxiliary winding of alternating current generator (M), current sensor is connected between gauge tap (K3) and the alternating current generator (M), the input end of modulate circuit links to each other with the output terminal of current sensor, the input end of microprocessor links to each other with the input end of modulate circuit, the input end of ON-OFF control circuit links to each other with the output terminal of microprocessor, and the output terminal of ON-OFF control circuit links to each other with gauge tap (K3);
Step 2) current sensor is constantly sampled to the electric current of alternating current generator, this sample rate current is converted into voltage signal by modulate circuit, be converted into digital signal by microprocessor, and this digital signal and previous sampled data be analyzed, when the difference that occurs a back sampled data and a preceding sampled data continuously several times falls in the error range, microprocessor instruction gauge tap (K3) disconnects, and alternating current generator shuts down.
2. dewaterer energy-saving control method as claimed in claim 1 is characterized in that: further comprise being connected protective tube and dehydration time switch (K1) between the switch (K2) is covered in dehydration.
3. dewaterer energy-saving control method as claimed in claim 1, it is characterized in that: in step 2) in, when the difference that occurs continuously a back sampled data and an adjacent preceding sampled data several times falls in the error range, microprocessor starts delay procedure, simultaneously, stop sampling, after delay procedure finishes, restart sampling, after this, if the difference of a back sampled data and an adjacent preceding sampled data still falls in the error range, then the microprocessor instruction control circuit disconnects gauge tap, and alternating current generator shuts down.
4. dewaterer energy-saving control method as claimed in claim 1, it is characterized in that: in step 2) in, when the difference that occurs continuously a back sampled data and an adjacent preceding sampled data several times falls in the error range, microprocessor starts its inner timer, after regularly finishing, the microprocessor instruction control circuit disconnects gauge tap, and alternating current generator shuts down.
5. as claim 2 or 3 or 4 described dewaterer energy-saving control methods, it is characterized in that: described control circuit comprises relay, and it controls the disconnection of gauge tap with closed by the adhesive that drives relay with disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101477842A CN101819415B (en) | 2010-04-15 | 2010-04-15 | Energy saving control method and control device of dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101477842A CN101819415B (en) | 2010-04-15 | 2010-04-15 | Energy saving control method and control device of dehydrator |
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| Publication Number | Publication Date |
|---|---|
| CN101819415A CN101819415A (en) | 2010-09-01 |
| CN101819415B true CN101819415B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101477842A Expired - Fee Related CN101819415B (en) | 2010-04-15 | 2010-04-15 | Energy saving control method and control device of dehydrator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109675A (en) * | 1984-12-19 | 1986-06-10 | 三洋电机株式会社 | Washer with spin dryer |
| US4765160A (en) * | 1985-06-20 | 1988-08-23 | Sanyo Electric Co., Ltd. | Washing machine |
| CN1125275A (en) * | 1993-08-27 | 1996-06-26 | 朱亮 | Fuzzy control method for washer and its controller |
| CN101781840A (en) * | 2010-01-19 | 2010-07-21 | 松下家电研究开发（杭州）有限公司 | Froth overflow and elimination method of full automatic drying impeller washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0728994B2 (en) * | 1985-06-12 | 1995-04-05 | 三洋電機株式会社 | Dehydrator |
-
2010
- 2010-04-15 CN CN2010101477842A patent/CN101819415B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109675A (en) * | 1984-12-19 | 1986-06-10 | 三洋电机株式会社 | Washer with spin dryer |
| US4765160A (en) * | 1985-06-20 | 1988-08-23 | Sanyo Electric Co., Ltd. | Washing machine |
| CN1125275A (en) * | 1993-08-27 | 1996-06-26 | 朱亮 | Fuzzy control method for washer and its controller |
| CN101781840A (en) * | 2010-01-19 | 2010-07-21 | 松下家电研究开发（杭州）有限公司 | Froth overflow and elimination method of full automatic drying impeller washing machine |
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|---|---|
| CN101819415A (en) | 2010-09-01 |
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Granted publication date: 20111207 Termination date: 20140415 |