CN102720035A - Power off memory circuit and power off memory method for full-automatic impeller type washing machine - Google Patents
Power off memory circuit and power off memory method for full-automatic impeller type washing machine Download PDFInfo
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- CN102720035A CN102720035A CN2012101678408A CN201210167840A CN102720035A CN 102720035 A CN102720035 A CN 102720035A CN 2012101678408 A CN2012101678408 A CN 2012101678408A CN 201210167840 A CN201210167840 A CN 201210167840A CN 102720035 A CN102720035 A CN 102720035A
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Abstract
The invention relates to a power off memory circuit for a full-automatic impeller type washing machine. The power off memory circuit comprises a micro controller unit (MCU), wherein the input end of the MCU is connected with the output end of a detection circuit; a power supply circuit supplies power to the detection circuit and the MCU; and a FLASH memory is arranged in the MCU. The invention also discloses a power off memory method for the full-automatic impeller type washing machine. According to the power off memory circuit, a power supply signal is detected by the detection circuit and then is processed by the MCU; and after a user starts the washing machine, the washing machine can finish programs automatically if the power fails and then resumes, and the phenomenon that the washing machine is stopped due to abnormal condition of a power supply, so that the intelligent degree of the washing machine is improved, the washing efficiency of the washing machine is also improved indirectly, and the washing machine has a humanized function.
Description
Technical field
The present invention relates to the automatic washing machine field, especially a kind of full-automatic impeller type washing machine circuit-breaking memory circuit and outage accumulating method thereof.
Background technology
At present, the domestic full-automatic rotary drum washing machine on the market after the user configures program start, can need not user's real-time operation aside automatically according to the parameter of user working procedure.In laundry processes, after the user leaves, if having a power failure or other reason causes the washing machine power interruptions; Washing machine procedure is also interrupted thereupon, can't move down, even power up; Washing machine also can't continue to carry out program just now; Must wait the user to return, reset, can start washing machine and work on.So the Based Intelligent Control of washing machine aspect automatic operating is still waiting to improve.
Summary of the invention
It is a kind of when full-automatic impeller type washing machine moves that primary and foremost purpose of the present invention is to provide, the state that can resume operation automatically after the power interruptions, the full-automatic impeller type washing machine circuit-breaking memory circuit of raising detersive efficiency.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of full-automatic impeller type washing machine circuit-breaking memory circuit; Comprise microcontroller MCU; Its input links to each other with the output of testing circuit, and power circuit is established the FLASH memory to testing circuit and microcontroller MCU power supply in the microcontroller MCU.
Another object of the present invention is to provide a kind of outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit, this method comprises the step of following order:
(1) testing circuit detects power supply signal in real time and is sent to microcontroller MCU; When microcontroller MCU confirms that power supply signal interrupts,, then belong to improper outage if program is in running status; The relevant parameter of program running is recorded in the memory, afterwards outage; Otherwise, normal power down;
(2) when washing machine powers on once more; Microcontroller MCU reads the data that store in the memory, judges the whether normal termination of program before powering on, if judged result is not for; Then call the relevant parameter of store memory storage and, remove the data of store memory storage again according to this parameter operation; Otherwise operation normally powers on.
Can know that by technique scheme the present invention detects power supply signal through testing circuit is set, and by microcontroller MCU signal is carried out certain operational processes; After the user started washing machine, if send a telegram here after the outage, washing machine can move program automatically again; Avoid washing machine owing to the unusual condition of power supply stops; Improved the intelligent degree of washing machine, also promoted detersive efficiency indirectly, made the function hommization more of washing machine.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3,4 is and is workflow diagram of the present invention.
The specific embodiment
A kind of full-automatic impeller type washing machine circuit-breaking memory circuit; Comprise microcontroller MCU 1, its input links to each other with the output of testing circuit 2, and power circuit 3 is to testing circuit 2 and microcontroller MCU 1 power supply; Establish the FLASH memory in the microcontroller MCU 1, as shown in Figure 1.
As shown in Figure 2; Described power circuit 3 comprises the transformer PT1 of input termination 220V alternating current; The output of transformer PT1 links to each other with the input of testing circuit 2, rectifier bridge respectively, and rectifier bridge is the full-wave rectification bridge of being made up of diode D5, D6, D7, D8, and crystal electric capacity C16 is attempted by on the output of rectifier bridge; The end ground connection of crystal electric capacity C16, the other end links to each other with the input of microcontroller MCU 1 through chip IC 5.Microcontroller MCU 1 is the Flash chip, and power supply signal is the 220V alternating current through transformer PT1 step-down, and rectifier bridge converts alternating current into direct current, converts to+signal of telecommunication of 5V through chip IC 5 through filtering again, operating voltage is provided for microcontroller MCU 1.
As shown in Figure 2; Described testing circuit 2 comprises commutation diode D12, D13, and the anode of the two all links to each other with the output of power circuit 3, connects the base stage of triode Q11 after the negative electrode parallel connection of the two successively through resistance R 11, R12; The grounded emitter of triode Q11; The colelctor electrode of triode Q11 connects the base stage of triode Q12 through resistance R 14, the grounded emitter of triode Q12, and the colelctor electrode of triode Q12 connects+the 5V direct current through resistance R 18; And connect the base stage of triode Q11 through resistance R 17, the colelctor electrode of triode Q11 connects the input of microcontroller MCU 1 through resistance R 19.Commutation diode D12, the D13 current signal rectification after with step-down inputs to the comparator that triode Q11, Q12 form, and comparator converts input signal to square-wave signal, gives microcontroller MCU 1.
Like Fig. 3, shown in 4; A kind of outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit, this method comprises the step of following order: (1) testing circuit detects power supply signal in real time and is sent to microcontroller MCU 1, when microcontroller MCU 1 confirms that power supply signal interrupts; If program is in running status; Then belong to improper outage, the relevant parameter of program running is recorded in the memory, afterwards outage; Otherwise, normal power down; (2) when washing machine powers on once more; Microcontroller MCU 1 reads the data that store in the memory, judges the whether normal termination of program before powering on, if judged result is not for; Then call the relevant parameter of store memory storage and, remove the data of store memory storage again according to this parameter operation; Otherwise operation normally powers on.
As shown in Figure 3, washing machine powers on, and testing circuit detects power supply signal in real time; And testing result is sent to microcontroller MCU 1, microcontroller MCU 1 judges whether power supply signal interrupts, if judged result is not for; Termination routine then, otherwise it is in service whether determining program is in.It is in service whether microcontroller MCU 1 determining program is in, and is not as if judged result, then termination routine; Otherwise, confirm whether power supply signal interrupts, if confirm; Then with power down sign, operational factor and checking data write memory, if do not have affirmation, then termination routine.
As shown in Figure 4, when washing machine powered on once more, microcontroller MCU 1 read the content of store memory storage earlier; And the numerical value that reads of verification, judge whether the content of verification makes mistakes, if judged result is for being; Termination routine then, otherwise whether secondary program belongs to improper outage in the judgement.Microcontroller MCU 1 judges whether go up secondary program belongs to improper outage, if judged result is not for, and termination routine then, otherwise, the parameter assignment of the store memory storage of reading in program parameter, is removed the content of store memory storage.
In sum, the present invention detects power supply signal through testing circuit is set, and carries out certain operational processes by 1 pair of signal of microcontroller MCU; After the user started washing machine, if send a telegram here after the outage, washing machine can move program automatically again; Avoid washing machine owing to the unusual condition of power supply stops; Improved the intelligent degree of washing machine, also promoted detersive efficiency indirectly, made the function hommization more of washing machine.
Claims (8)
1. full-automatic impeller type washing machine circuit-breaking memory circuit, it is characterized in that: comprise microcontroller MCU, its input links to each other with the output of testing circuit, and power circuit is established the FLASH memory to testing circuit and microcontroller MCU power supply in the microcontroller MCU.
2. full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 1; It is characterized in that: described power circuit comprises the transformer PT1 of input termination 220V alternating current; The output of transformer PT1 links to each other with the input of testing circuit, rectifier bridge respectively; Rectifier bridge is the full-wave rectification bridge of being made up of diode D5, D6, D7, D8; Crystal electric capacity C16 is attempted by on the output of rectifier bridge, the end ground connection of crystal electric capacity C16, and the other end links to each other with the input of microcontroller MCU through chip IC 5.
3. full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 1; It is characterized in that: described testing circuit comprises commutation diode D12, D13; The anode of the two all links to each other with the output of power circuit; Connect the base stage of triode Q11 after the negative electrode parallel connection of the two successively through resistance R 11, R12, the grounded emitter of triode Q11, the colelctor electrode of triode Q11 connects the base stage of triode Q12 through resistance R 14; The grounded emitter of triode Q12; The colelctor electrode of triode Q12 connects+the 5V direct current through resistance R 18, and connects the base stage of triode Q11 through resistance R 17, and the colelctor electrode of triode Q11 connects the input of microcontroller MCU through resistance R 19.
4. the outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 1, this method comprises the step of following order:
(1) testing circuit detects power supply signal in real time and is sent to microcontroller MCU; When microcontroller MCU confirms that power supply signal interrupts,, then belong to improper outage if program is in running status; The relevant parameter of program running is recorded in the memory, afterwards outage; Otherwise, normal power down;
(2) when washing machine powers on once more; Microcontroller MCU reads the data that store in the memory, judges the whether normal termination of program before powering on, if judged result is not for; Then call the relevant parameter of store memory storage and, remove the data of store memory storage again according to this parameter operation; Otherwise operation normally powers on.
5. the outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 4, it is characterized in that: washing machine powers on, and testing circuit detects power supply signal in real time; And testing result is sent to microcontroller MCU; Microcontroller MCU judges whether power supply signal interrupts, and is not as if judged result, then termination routine; Otherwise it is in service whether determining program is in.
6. the outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 4 is characterized in that: when washing machine powered on once more, microcontroller MCU read the content of store memory storage earlier; And the numerical value that reads of verification; Judge whether the content of verification makes mistakes, if judged result is for being, termination routine then; Otherwise whether secondary program belongs to improper outage in the judgement.
7. the outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 5 is characterized in that: it is in service whether microcontroller MCU determining program is in, if judged result is for denying; Termination routine then, otherwise, confirm whether power supply signal interrupts; If confirm; Then with power down sign, operational factor and checking data write memory, if do not have affirmation, then termination routine.
8. the outage accumulating method of full-automatic impeller type washing machine circuit-breaking memory circuit according to claim 6; It is characterized in that: whether secondary program belongs to improper outage in the microcontroller MCU judgement; If judged result is not for, termination routine then, otherwise; The parameter assignment of the store memory that reads storage in program parameter, is removed the content of store memory storage.
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| CN2012101678408A CN102720035A (en) | 2012-05-28 | 2012-05-28 | Power off memory circuit and power off memory method for full-automatic impeller type washing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290652A (en) * | 2013-05-20 | 2013-09-11 | 海尔集团公司 | Washing machine and control method thereof |
| CN103762966A (en) * | 2014-01-10 | 2014-04-30 | 美的集团股份有限公司 | Power failure memory circuit and power failure memory method |
| CN104233701A (en) * | 2013-06-19 | 2014-12-24 | 无锡小天鹅股份有限公司 | Washing machine, power failure memory control method thereof and power failure memory control device of washing machine |
| CN107402520A (en) * | 2016-05-18 | 2017-11-28 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and its power down control method, start control method |
| CN106319839B (en) * | 2015-06-30 | 2018-10-19 | 无锡飞翎电子有限公司 | Washing machine and its capacity self-identifying method and the controller identified for capacity |
| CN113265842A (en) * | 2021-06-11 | 2021-08-17 | 海信（山东）冰箱有限公司 | Power failure memory method of washing machine display panel and washing machine |
| CN114541092A (en) * | 2022-02-14 | 2022-05-27 | 珠海格力电器股份有限公司 | Intelligent control method and device for washing machine |
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| CN202576937U (en) * | 2012-05-28 | 2012-12-05 | 合肥荣事达三洋电器股份有限公司 | Power-off memory circuit of full-automatic impeller type washing machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290652A (en) * | 2013-05-20 | 2013-09-11 | 海尔集团公司 | Washing machine and control method thereof |
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| CN104233701A (en) * | 2013-06-19 | 2014-12-24 | 无锡小天鹅股份有限公司 | Washing machine, power failure memory control method thereof and power failure memory control device of washing machine |
| CN104233701B (en) * | 2013-06-19 | 2017-08-04 | 无锡小天鹅股份有限公司 | Washing machine and its power-fail memory function control method and device |
| CN103762966A (en) * | 2014-01-10 | 2014-04-30 | 美的集团股份有限公司 | Power failure memory circuit and power failure memory method |
| CN106319839B (en) * | 2015-06-30 | 2018-10-19 | 无锡飞翎电子有限公司 | Washing machine and its capacity self-identifying method and the controller identified for capacity |
| CN107402520A (en) * | 2016-05-18 | 2017-11-28 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and its power down control method, start control method |
| CN113265842A (en) * | 2021-06-11 | 2021-08-17 | 海信（山东）冰箱有限公司 | Power failure memory method of washing machine display panel and washing machine |
| CN113265842B (en) * | 2021-06-11 | 2023-02-21 | 海信冰箱有限公司 | Power failure memory method of washing machine display panel and washing machine |
| CN114541092A (en) * | 2022-02-14 | 2022-05-27 | 珠海格力电器股份有限公司 | Intelligent control method and device for washing machine |
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Application publication date: 20121010 |