CN101371691B - Soybean milk machine with circuit-breaking memory circuit - Google Patents
Soybean milk machine with circuit-breaking memory circuit Download PDFInfo
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- CN101371691B CN101371691B CN2008100287843A CN200810028784A CN101371691B CN 101371691 B CN101371691 B CN 101371691B CN 2008100287843 A CN2008100287843 A CN 2008100287843A CN 200810028784 A CN200810028784 A CN 200810028784A CN 101371691 B CN101371691 B CN 101371691B
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Abstract
The invention relates to the technical field of a soymilk grinder, in particular to the soymilk grinder which is provided with a breaker memory circuit; an electrical control part of the soymilk grinder comprises a control circuit, an electric motor, a heater, a temperature sensor, an overflow sensor, an alarm device and a functional switch key; the control circuit is provided with a singlechip IC1 and a stabilized voltage supply; the electrical control part also comprises the breaker memory circuit which includes a filter capacitor C07, an electrolytic capacitor C7 and a pull-up resistor R29; a fifth foot VDD of the singlechip IC1 is connected with +5v working power supply which is connected with the anode of the electrolytic capacitor C7, and the cathode of the electrolytic capacitor C7 is earthed; the fifth foot VDD of the singlechip IC1 is also connected at one ends of the filter capacitor C07 and the pull-up resistor R29 which are connected with each other in parallel, and the other ends of the filter capacitor C07 and the pull-up resistor R29 are earthed; the soymilk grinder has the advantage of breaker memory function.
Description
Technical field:
The present invention relates to the soy bean milk making machine technical field, more specifically to the soy bean milk making machine of band circuit-breaking memory circuit.
Background technology:
Along with the raising of quality of life, small household electrical appliances such as soy bean milk making machine get their way into people's lives more and more, have brought many facilities to people.
Existing soy bean milk making machine, its automatically controlled part generally comprises control circuit, motor, heater, temperature detector, flood sensor, warning device and functional switch key, control circuit is provided with single-chip microcomputer and voltage-stabilized power supply, motor, heater link to each other with single-chip microcomputer to carry out circuit, temperature detector, flood sensor link to each other with single-chip microcomputer with the signals collecting circuit, warning device links to each other with single-chip microcomputer with alarm circuit, and single-chip microcomputer is with control circuit linkage function on ﹠ off switch.The function key that soy bean milk making machine chooses according to people, as add hot key, stir key etc. and carry out corresponding work, existing soymilk grinder control circuit does not comprise the outage memory function, in case civil power cuts off the power supply suddenly, after the power supply of city power recovery, soy bean milk making machine just can work on after needing people to reselect the function corresponding key.
Summary of the invention:
The objective of the invention is at the deficiencies in the prior art, a kind of soy bean milk making machine with circuit-breaking memory circuit is provided.
For achieving the above object, the present invention is achieved by the following technical solutions: the soy bean milk making machine of band circuit-breaking memory circuit, the electric control part branch of this soy bean milk making machine comprises control circuit, motor, heater, temperature detector, flood sensor, warning device and functional switch key, described control circuit is provided with single-chip microcomputer IC1 and voltage-stabilized power supply, described motor, heater links to each other with single-chip microcomputer IC1 to carry out circuit, described temperature detector, flood sensor links to each other with single-chip microcomputer IC1 with the signals collecting circuit, described warning device links to each other with single-chip microcomputer IC1 with alarm circuit, described single-chip microcomputer IC1 is with control circuit linkage function on ﹠ off switch, described single-chip microcomputer IC1 selects the MC80F0604BP single-chip microcomputer for use, described control circuit also comprises circuit-breaking memory circuit, this circuit-breaking memory circuit comprises filter capacitor C07, electrochemical capacitor C7 and pull-up resistor R29, the 5th pin VDD of described single-chip microcomputer IC1 connects+the 5V working power, + 5V working power connects the positive pole of electrochemical capacitor C7, the minus earth of electrochemical capacitor C7, the 5th pin VDD of single-chip microcomputer IC1 also is connected on filter capacitor C07 and pull-up resistor R29 one end in parallel, filter capacitor C07 and pull-up resistor R29 other end ground connection in parallel; When outage, single-chip microcomputer IC1 produces interruption, and the data before interrupting are kept among the RAM.
The capacitance of described filter capacitor C07 is 104p F, and the capacitance of electrochemical capacitor C7 is 470,, the resistance of pull-up resistor R29 is 4.7KJ.
Described execution circuit comprises motor-drive circuit, this motor-drive circuit comprises resistance R 2, resistance R 3, triode Q2, relay R E2 and motor, the 6th pin connecting resistance R3 of described single-chip microcomputer IC1, resistance R 3 connects triode Q2 base stage, the grounded emitter of triode Q2, be connected to resistance R 2 between the emitter stage of triode Q2 and the base stage, the colelctor electrode cut-in relay RE2 of triode Q2, relay R E2 normally opened contact one end connects the voltage-stabilized power supply B utmost point, and the relay R E2 other end connects the voltage-stabilized power supply A utmost point through motor; The resistance of described resistance R 3 is 4.7KJ, and the resistance of resistance R 2 is 10KJ, and triode Q2 is 9014 triodes, and relay R E2 is the JQC-3FF relay.
Described execution circuit also comprises heater circuit, this heater circuit comprises resistance R 4, resistance R 5, triode Q3, electrical equipment RE1 and heater, the 7th pin connecting resistance R5 of described single-chip microcomputer IC1, resistance R 5 connects triode Q3 base stage, the grounded emitter of triode Q23 is connected to resistance R 4 between the emitter stage of triode Q3 and the base stage, the colelctor electrode cut-in relay RE1 of triode Q3, relay R E1 normally opened contact one end connects the voltage-stabilized power supply B utmost point, and the relay R E1 other end connects the voltage-stabilized power supply A utmost point through motor; The resistance of described resistance R 5 is 4.7KJ, and the resistance of resistance R 4 is 10KJ, and triode Q3 is 9014 triodes, and relay R E1 is the JQC-3FF relay.
Described signals collecting circuit comprises the spill over circuit, this spill over circuit comprises resistance R 30, resistance R 36, resistance R 39, filter capacitor C08 and flood sensor, the 2nd pin connecting resistance R30 one end of described single-chip microcomputer IC1, the other end connecting resistance R36 of resistance R 30, resistance R 36 connects+the 5V power supply, the other end of described resistance R 30 also inserts flood sensor, the heat-generating disc shell of resistance R 39 1 termination soy bean milk making machine, resistance R 39 other end ground connection, the 2nd pin of described single-chip microcomputer IC1 also inserts filter capacitor C08 one end, filter capacitor C08 other end ground connection; The resistance of described resistance R 30 is 47K Ω, and the resistance of resistance R 36 is 1.0M Ω, and the resistance of resistance R 39 is 4.7KJ, and the capacitance of capacitor C 08 is 104pF, passes through the conducting of food medium between described flood sensor and the heat-generating disc shell.
Described signals collecting circuit also comprises the water temperature signal testing circuit, this water temperature signal testing circuit comprises resistance R 31, resistance R 35, filter capacitor C09 and temperature detector RT1, the 3rd pin connecting resistance R31 one end of described single-chip microcomputer IC1, the other end connecting resistance R35 of resistance R 31, resistance R 35 connects+the 5V power supply, the other end of described resistance R 31 also inserts temperature detector RT1 one end, temperature detector RT1 other end ground connection, the 3rd pin of described single-chip microcomputer IC1 also inserts filter capacitor C09 one end, filter capacitor C09 other end ground connection; The resistance of described resistance R 31 is 10K Ω, and the resistance of resistance 35 is 4.7KJ, and the resistance of resistance R 39 is 4.7KJ, and temperature detector RT1 is 50K/3990.
Described alarm circuit comprises resistance R 27, triode Q4, resistance R 34, resistance R 33 and warning device, the 8th pin connecting resistance R27 of described single-chip microcomputer IC1, resistance R 27 connects triode Q4 base stage, the grounded emitter of triode Q4, the colelctor electrode of triode Q4 inserts warning device one end, warning device other end connecting resistance R33, resistance R 33 connects+the 5V power supply, is connected to resistance R 34 between the two ends of warning device; The resistance of described resistance R 27 is 1K Ω, and triode Q4 is the 8050C triode, and the resistance of resistance R 34 is 10K Ω, and the resistance of resistance R 33 is 100 Ω.
Described warning device is buzzer BUZ1.
Described functional switch key comprises on ﹠ off switch, cancel key, be incubated/add hot key, key is stuck with paste in health and key is stuck with paste in conditioning, described control circuit is an on ﹠ off switch, cancel key, heating/insulation key, key is stuck with paste in health and conditioning is stuck with paste an end of key respectively by resistance R 14, R15, R16, R17 and R18 ground connection, on ﹠ off switch, cancel key, heating/insulation key, key is stuck with paste in health and conditioning is stuck with paste the other end of key by common resistance R20 company+5V power supply, described on ﹠ off switch, cancel key, heating/insulation key, health is stuck with paste key and is nursed one's health the other end of sticking with paste key also is connected single-chip microcomputer IC1 by common resistance R21 the 18th pin; The resistance of described resistance R 14 is 1KJ, and the resistance of resistance R 15 is 4.7KJ, and the resistance of resistance R 16 is 10KJ, and the resistance of resistance R 17 is 27KJ, and the resistance of resistance R 18 is 47KJ, and the resistance of resistance R 20 is 10K Ω, and the resistance of resistance R 21 is 10K Ω.
Beneficial effect of the present invention: control circuit of the present invention includes circuit-breaking memory circuit, when the civil power operate as normal, pull-up resistor R29 makes electrochemical capacitor C7 charging store electric charge, in case civil power cuts off the power supply suddenly, electrochemical capacitor C7 discharges the electric charge that stores can make the RAM data of single-chip microcomputer inside preserve a period of time, during this period of time restore electricity, soy bean milk making machine will keep original function to continue to carry out, so the present invention has the advantage of outage memory function.
Description of drawings:
Accompanying drawing 1 is a circuit diagram of the present invention.
The specific embodiment:
Embodiment, with reference to the accompanying drawings 1, the soy bean milk making machine of this band circuit-breaking memory circuit, the electric control part branch of this soy bean milk making machine comprises control circuit, motor, heater, temperature detector, flood sensor, warning device and functional switch key, described control circuit is provided with single-chip microcomputer IC1 and voltage-stabilized power supply, described motor, heater links to each other with single-chip microcomputer IC1 to carry out circuit, described temperature detector, flood sensor links to each other with single-chip microcomputer IC1 with the signals collecting circuit, described warning device links to each other with single-chip microcomputer IC1 with alarm circuit, described single-chip microcomputer IC1 is with control circuit linkage function on ﹠ off switch, it is characterized in that: described single-chip microcomputer IC1 selects the MC80F0604BP single-chip microcomputer for use, described control circuit also comprises circuit-breaking memory circuit, this circuit-breaking memory circuit comprises filter capacitor C07, electrochemical capacitor C7 and pull-up resistor R29, the 5th pin VDD of described single-chip microcomputer IC1 connects+the 5V working power, + 5V working power connects the positive pole of electrochemical capacitor C7, the minus earth of electrochemical capacitor C7, the 5th pin VDD of single-chip microcomputer IC1 also is connected on filter capacitor C07 and pull-up resistor R29 one end in parallel, filter capacitor C07 and pull-up resistor R29 other end ground connection in parallel.
The capacitance of described filter capacitor C07 is 104pF, and the capacitance of electrochemical capacitor C7 is 470 μ F, and the resistance of pull-up resistor R29 is 4.7KJ.
Described execution circuit comprises motor-drive circuit, this motor-drive circuit comprises resistance R 2, resistance R 3, triode Q2, relay R E2 and motor, the 6th pin connecting resistance R3 of described single-chip microcomputer IC1, resistance R 3 connects triode Q2 base stage, the grounded emitter of triode Q2, be connected to resistance R 2 between the emitter stage of triode Q2 and the base stage, the colelctor electrode cut-in relay RE2 of triode Q2, relay R E2 normally opened contact one end connects the voltage-stabilized power supply B utmost point, and the relay R E2 other end connects the voltage-stabilized power supply A utmost point through motor; The resistance of described resistance R 3 is 4.7KJ, and the resistance of resistance R 2 is 10KJ, and triode Q2 is 9014 triodes, and relay R E2 is the JQC-3FF relay.This motor-drive circuit is used to drive the motor of soy bean milk making machine, to realize the functions such as stirring of soy bean milk making machine.
Described execution circuit also comprises heater circuit, this heater circuit comprises resistance R 4, resistance R 5, triode Q3, electrical equipment RE1 and heater, the 7th pin connecting resistance R5 of described single-chip microcomputer IC1, resistance R 5 connects triode Q3 base stage, the grounded emitter of triode Q23 is connected to resistance R 4 between the emitter stage of triode Q3 and the base stage, the colelctor electrode cut-in relay RE1 of triode Q3, relay R E1 normally opened contact one end connects the voltage-stabilized power supply B utmost point, and the relay R E1 other end connects the voltage-stabilized power supply A utmost point through motor; The resistance of described resistance R 5 is 4.7KJ, and the resistance of resistance R 4 is 10KJ, and triode Q3 is 9014 triodes, and relay R E1 is the JQC-3FF relay.This heater circuit is used to realize the functions such as heating of soy bean milk making machine.
Described signals collecting circuit comprises the spill over circuit, this spill over circuit comprises resistance R 30, resistance R 36, resistance R 39, filter capacitor C08 and flood sensor, the 2nd pin connecting resistance R30 one end of described single-chip microcomputer IC1, the other end connecting resistance R36 of resistance R 30, resistance R 36 connects+the 5V power supply, the other end of described resistance R 30 also inserts flood sensor, the heat-generating disc shell of resistance R 39 1 termination soy bean milk making machine, resistance R 39 other end ground connection, the 2nd pin of described single-chip microcomputer IC1 also inserts filter capacitor C08 one end, filter capacitor C08 other end ground connection; The resistance of described resistance R 30 is 47K Ω, and the resistance of resistance R 36 is 1.0M Ω, and the resistance of resistance R 39 is 4.7KJ, and the capacitance of capacitor C 08 is 104pF, passes through the conducting of food medium between described flood sensor and the heat-generating disc shell.If soya-bean milk produces foam, when overflow foam contact flood sensor anti-overflow probe, single-chip microcomputer IC1 receives low level, program has been judged as overflows, and makes single-chip microcomputer IC1 output low level, and triode Q2 ends, heater stops heating, and foam falls after rise, has prevented spillover.
Described signals collecting circuit also comprises the water temperature signal testing circuit, this water temperature signal testing circuit comprises resistance R 31, resistance R 35, filter capacitor C09 and temperature detector RT1, the 3rd pin connecting resistance R31 one end of described single-chip microcomputer IC1, the other end connecting resistance R35 of resistance R 31, resistance R 35 connects+the 5V power supply, the other end of described resistance R 31 also inserts temperature detector RT1 one end, temperature detector RT1 other end ground connection, the 3rd pin of described single-chip microcomputer IC1 also inserts filter capacitor C09 one end, filter capacitor C09 other end ground connection; The resistance of described resistance R 31 is 10K Ω, and the resistance of resistance 35 is 4.7KJ, and the resistance of resistance R 39 is 4.7KJ, and temperature detector RT1 is 50K/3990.This water temperature signal testing circuit is used to control the defibrination water temperature of soy bean milk making machine.
Described alarm circuit comprises resistance R 27, triode Q4, resistance R 34, resistance R 33 and warning device, the 8th pin connecting resistance R27 of described single-chip microcomputer IC1, resistance R 27 connects triode Q4 base stage, the grounded emitter of triode Q4, the colelctor electrode of triode Q4 inserts warning device one end, warning device other end connecting resistance R33, resistance R 33 connects+the 5V power supply, is connected to resistance R 34 between the two ends of warning device; The resistance of described resistance R 27 is 1K Ω, and triode Q4 is the 8050C triode, and the resistance of resistance R 34 is 10K Ω, and the resistance of resistance R 33 is 100 Ω.Described warning device is buzzer BUZ1.Alarm after this alarm circuit is used for the realization program after finishing pipe prompting and the fault appearance.
Described functional switch key comprises on ﹠ off switch, cancel key, be incubated/add hot key, key is stuck with paste in health and key is stuck with paste in conditioning, described control circuit is an on ﹠ off switch, cancel key, heating/insulation key, key is stuck with paste in health and conditioning is stuck with paste an end of key respectively by resistance R 14, R15, R16, R17 and R18 ground connection, on ﹠ off switch, cancel key, heating/insulation key, key is stuck with paste in health and conditioning is stuck with paste the other end of key by common resistance R20 company+5V power supply, described on ﹠ off switch, cancel key, heating/insulation key, health is stuck with paste key and is nursed one's health the other end of sticking with paste key also is connected single-chip microcomputer IC1 by common resistance R21 the 18th pin; The resistance of described resistance R 14 is 1KJ, and the resistance of resistance R 15 is 4.7KJ, and the resistance of resistance R 16 is 10KJ, and the resistance of resistance R 17 is 27KJ, and the resistance of resistance R 18 is 47KJ, and the resistance of resistance R 20 is 10K Ω, and the resistance of resistance R 21 is 10K Ω.Above function key is used to realize corresponding soy bean milk making machine function.
This soy bean milk making machine that has circuit-breaking memory circuit, when the civil power operate as normal, pull-up resistor R29 makes electrochemical capacitor C7 charging store electric charge, in case civil power cuts off the power supply suddenly, electrochemical capacitor C7 discharges the electric charge that stores can make the RAM data holding time of single-chip microcomputer inside above 8 minutes.If restored electricity in 8 minutes, soy bean milk making machine will keep original function to continue to carry out.For example, when when carrying out the work of health paste, have a power failure in the stirring course of work, single-chip microcomputer IC1 will produce interruption, and the data before interrupting are kept in the RAM, and data are preserved can reach 8 minutes, when in 8 minutes, restoring electricity, the whipping procedure when interruption is carried out in continuation.Therefore, this soy bean milk making machine has the advantage of outage memory function, and the circuit elements device and the control circuit that are adopted are simple in structure, are beneficial to and apply.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (9)
1. be with the soy bean milk making machine of circuit-breaking memory circuit, the electric control part branch of this soy bean milk making machine comprises control circuit, motor, heater, temperature detector, flood sensor, warning device and functional switch key, described control circuit is provided with single-chip microcomputer IC1 and voltage-stabilized power supply, described motor, heater links to each other with single-chip microcomputer IC1 to carry out circuit, described temperature detector, flood sensor links to each other with single-chip microcomputer IC1 with the signals collecting circuit, described warning device links to each other with single-chip microcomputer IC1 with alarm circuit, described single-chip microcomputer IC1 is with control circuit linkage function on ﹠ off switch, it is characterized in that: described single-chip microcomputer IC 1 selects the MC80F0604BP single-chip microcomputer for use, described control circuit also comprises circuit-breaking memory circuit, this circuit-breaking memory circuit comprises filter capacitor C07, electrochemical capacitor C7 and pull-up resistor R29, the 5th pin VDD of described single-chip microcomputer IC1 connects+the 5V working power, + 5V working power connects the positive pole of electrochemical capacitor C7, the minus earth of electrochemical capacitor C7, the 5th pin VDD of single-chip microcomputer IC1 also is connected on filter capacitor C07 and pull-up resistor R29 one end in parallel, filter capacitor C07 and pull-up resistor R29 other end ground connection in parallel; When outage, single-chip microcomputer IC1 produces interruption, and the data before interrupting are kept among the RAM.
2. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 1 is characterized in that: the capacitance of described filter capacitor C07 is 104pF, and the capacitance of electrochemical capacitor C7 is 470 μ F, and the resistance of pull-up resistor R29 is 4.7KJ.
3. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 2, it is characterized in that: described execution circuit comprises motor-drive circuit, this motor-drive circuit comprises resistance R 2, resistance R 3, triode Q2, relay R E2 and motor, the 6th pin connecting resistance R3 of described single-chip microcomputer IC1, resistance R 3 connects triode Q2 base stage, the grounded emitter of triode Q2, be connected to resistance R 2 between the emitter stage of triode Q2 and the base stage, the colelctor electrode cut-in relay RE2 of triode Q2, relay R E2 normally opened contact one end connects the voltage-stabilized power supply B utmost point, and the relay R E2 other end connects the voltage-stabilized power supply A utmost point through motor; The resistance of described resistance R 3 is 4.7KJ, and the resistance of resistance R 2 is 10KJ, and triode Q2 is 9014 triodes, and relay R E2 is the JQC-3FF relay.
4. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 3, it is characterized in that: described execution circuit also comprises heater circuit, this heater circuit comprises resistance R 4, resistance R 5, triode Q3, relay R E1 and heater, the 7th pin connecting resistance R5 of described single-chip microcomputer IC1, resistance R 5 connects triode Q3 base stage, the grounded emitter of triode Q23, be connected to resistance R 4 between the emitter stage of triode Q3 and the base stage, the colelctor electrode cut-in relay RE1 of triode Q3, relay R E1 normally opened contact one end connects the voltage-stabilized power supply B utmost point, and the relay R E1 other end connects the voltage-stabilized power supply A utmost point through motor; The resistance of described resistance R 5 is 4.7KJ, and the resistance of resistance R 4 is 10KJ, and triode Q3 is 9014 triodes, and relay R E1 is the JQC-3FF relay.
5. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 4, it is characterized in that: described signals collecting circuit comprises the spill over circuit, this spill over circuit comprises resistance R 30, resistance R 36, resistance R 39, filter capacitor C08 and flood sensor, the 2nd pin connecting resistance R30 one end of described single-chip microcomputer IC1, the other end connecting resistance R36 of resistance R 30, resistance R 36 connects+the 5V power supply, the other end of described resistance R 30 also inserts flood sensor, the heat-generating disc shell of resistance R 39 1 termination soy bean milk making machine, resistance R 39 other end ground connection, the 2nd pin of described single-chip microcomputer IC1 also inserts filter capacitor C08 one end, filter capacitor C08 other end ground connection; The resistance of described resistance R 30 is 47K Ω, and the resistance of resistance R 36 is 1.0M Ω, and the resistance of resistance R 39 is 4.7KJ, and the capacitance of capacitor C 08 is 104p F, passes through the conducting of food medium between described flood sensor and the heat-generating disc shell.
6. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 5, it is characterized in that: described signals collecting circuit also comprises the water temperature signal testing circuit, this water temperature signal testing circuit comprises resistance R 31, resistance R 35, filter capacitor C09 and temperature detector RT1, the 3rd pin connecting resistance R31 one end of described single-chip microcomputer IC1, the other end connecting resistance R35 of resistance R 31, resistance R 35 connects+the 5V power supply, the other end of described resistance R 31 also inserts temperature detector RT1 one end, temperature detector RT1 other end ground connection, the 3rd pin of described single-chip microcomputer IC1 also inserts filter capacitor C09 one end, filter capacitor C09 other end ground connection; The resistance of described resistance R 31 is 10K Ω, and the resistance of resistance 35 is 4.7KJ, and the resistance of resistance R 39 is 4.7KJ, and temperature detector RT1 is 50K/3990.
7. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 6, it is characterized in that: described alarm circuit comprises resistance R 27, triode Q4, resistance R 34, resistance R 33 and warning device, the 8th pin connecting resistance R27 of described single-chip microcomputer IC1, resistance R 27 connects triode Q4 base stage, the grounded emitter of triode Q4, the colelctor electrode of triode Q4 inserts warning device one end, warning device other end connecting resistance R33, resistance R 33 connects+the 5V power supply, is connected to resistance R 34 between the two ends of warning device; The resistance of described resistance R 27 is 1K Ω, and triode Q4 is the 8050C triode, and the resistance of resistance R 34 is 10K Ω, and the resistance of resistance R 33 is 100 Ω.
8. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 7 is characterized in that: described warning device is buzzer BUZ1.
9. the soy bean milk making machine of band circuit-breaking memory circuit according to claim 8, it is characterized in that: described functional switch key comprises on ﹠ off switch, cancel key, be incubated/add hot key, key is stuck with paste in health and key is stuck with paste in conditioning, described control circuit is an on ﹠ off switch, cancel key, heating/insulation key, key is stuck with paste in health and conditioning is stuck with paste an end of key respectively by resistance R 14, R15, R16, R17 and R18 ground connection, on ﹠ off switch, cancel key, heating/insulation key, key is stuck with paste in health and conditioning is stuck with paste the other end of key by common resistance R20 company+5V power supply, described on ﹠ off switch, cancel key, heating/insulation key, health is stuck with paste key and is nursed one's health the other end of sticking with paste key also is connected single-chip microcomputer IC1 by common resistance R21 the 18th pin; The resistance of described resistance R 14 is 1KJ, and the resistance of resistance R 15 is 4.7KJ, and the resistance of resistance R 16 is 10KJ, and the resistance of resistance R 17 is 27KJ, and the resistance of resistance R 18 is 47KJ, and the resistance of resistance R 20 is 10K Ω, and the resistance of resistance R 21 is 10K Ω.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100287843A CN101371691B (en) | 2008-06-13 | 2008-06-13 | Soybean milk machine with circuit-breaking memory circuit |
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| CN2008100287843A CN101371691B (en) | 2008-06-13 | 2008-06-13 | Soybean milk machine with circuit-breaking memory circuit |
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| CN101371691A CN101371691A (en) | 2009-02-25 |
| CN101371691B true CN101371691B (en) | 2011-02-09 |
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| CN101579087B (en) * | 2009-06-25 | 2012-11-21 | 九阳股份有限公司 | Method for preparing fruit and vegetable soymilk and food processing device |
| CN108255089B (en) * | 2016-12-29 | 2021-03-23 | 佛山市顺德区美的电热电器制造有限公司 | Control method and device |
| CN112914366B (en) * | 2018-06-14 | 2022-12-09 | 李志强 | Overheating protection system and method for water dispenser |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068704U (en) * | 1989-11-03 | 1991-01-02 | 韦波 | Memory electronic auto-counter when power failure |
| CN1306188A (en) * | 2001-01-22 | 2001-08-01 | 海尔集团公司 | Refrigerator with power-fail memory function |
| CN201048111Y (en) * | 2007-06-21 | 2008-04-16 | 北京交通大学 | DC micro-power consumption relay of power-off memory state |
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2008
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068704U (en) * | 1989-11-03 | 1991-01-02 | 韦波 | Memory electronic auto-counter when power failure |
| CN1306188A (en) * | 2001-01-22 | 2001-08-01 | 海尔集团公司 | Refrigerator with power-fail memory function |
| CN201048111Y (en) * | 2007-06-21 | 2008-04-16 | 北京交通大学 | DC micro-power consumption relay of power-off memory state |
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