CN104257296A - alarm method and system for food processor - Google Patents
alarm method and system for food processor Download PDFInfo
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- CN104257296A CN104257296A CN201410559223.1A CN201410559223A CN104257296A CN 104257296 A CN104257296 A CN 104257296A CN 201410559223 A CN201410559223 A CN 201410559223A CN 104257296 A CN104257296 A CN 104257296A
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- 235000013305 food Nutrition 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010411 cooking Methods 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000002441 reversible effect Effects 0.000 abstract description 15
- 235000011389 fruit/vegetable juice Nutrition 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses an alarm method and an alarm system for a food processor. The alarm method comprises the following steps: food processor includes controller, motor and warning circuit, wherein: after the controller receives a signal for enabling the motor to rotate reversely, whether the motor rotates is judged, if the motor rotates, the controller controls the motor to switch from forward rotation to reverse rotation and simultaneously controls the alarm circuit to play alarm music until the motor starts to rotate reversely. By the invention, the problem that the buzzer makes a single sound in the process of reversely rotating the juice extractor in the prior art is solved, and the effect of enriching the sound of the buzzer is further achieved.
Description
Technical field
The present invention relates to cooking machine field, in particular to a kind of alarm method for food cooking machine and system.
Background technology
Usually mat is provided with in existing food cooking machine (as Normal juice machine); if when having the harder part of food to block bistrique in Normal juice machine running; just need the reverse function of the motor using Normal juice machine, make the motor of Normal juice machine drive bistrique reversion.Existing Normal juice machine adds suitable time delay between motor reversal action, and now the buzzer of Normal juice machine can ring an acoustic alarm, but the alarm sound of buzzer is more single, and the duration is short, is easily mistaken as mechanical disorder.
For the problem that the alarm sound of buzzer in Normal juice machine in prior art is more single, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of alarm method for food cooking machine and system, to solve the problem that in prior art, the alarm sound of buzzer is more single.
To achieve these goals, according to an aspect of the present invention, a kind of alarm method for food cooking machine is provided.Alarm method for food cooking machine according to the present invention comprises: described food cooking machine comprises controller, motor and warning circuit, wherein: after described controller receives and makes the counter-rotational signal of described motor, judge that whether described motor is in rotation, if described motor is in rotation, then described controller controls described motor and control described warning circuit broadcasting alarm music until described motor reversal while just turning to reversion to switch.
Further, after described controller receives and makes the counter-rotational signal of described motor, before described motor starts reversion, described controller controls described motor and reduces speed now until described motor stalls, and described controller controls to control described warning circuit while described motor reduces speed now and plays alarm music.
Further, after described controller receives and makes the counter-rotational signal of described motor, judge that whether described motor is in rotation, if described motor does not rotate, then described controller controls described motor reversal after controlling described warning circuit of short duration warning one sound.
Further, described controller control described motor by just turn to reversion switch while control described warning circuit play alarm music until comprise described motor reversal: described controller to the level control circuit transmission level signal of described warning circuit, to make the capacitor charge and discharge in described warning circuit; Described controller sends square-wave signal, the tone of the sound sent to regulate described warning circuit to the tone circuit of described warning circuit.
Further, level control circuit transmission level signal from described controller to described warning circuit after, described method also comprises: when described capacitor charge and discharge, continues to described level control circuit transmission level signal, the volume of the sound sent to regulate described warning circuit.
To achieve these goals, according to a further aspect in the invention, a kind of warning system for food cooking machine is provided.Warning system for food cooking machine according to the present invention comprises: control warning circuit, for sending alarm music; Controller, be connected with described warning circuit, the counter-rotational signal of the motor of described food cooking machine is made for receiving, described controller receive make the counter-rotational signal of described motor and detect that described motor rotates time, described controller controls described motor and controls described warning circuit and send alarm music until described motor reversal while just turning to reversion to switch.
Further, described warning circuit comprises level control circuit and tone circuit, and the pronunciation device to be all connected with described level control circuit and described tone circuit, wherein, level control circuit, input is connected with the level output end of described controller, output is connected with an input of described pronunciation device, for receiving the level signal from described controller, with to the capacitor charge and discharge in described level control circuit, and control the volume of the sound that described pronunciation device sends; Tone circuit, input is connected with the square-wave signal output of described controller, output is connected with another input of described pronunciation device, for receiving the square-wave signal from described controller, and the tone of the sound sent to regulate described pronunciation device.
Further, described level control circuit comprises resistance R29, triode Q4, resistance R21, resistance R30 and electric capacity C71, wherein, one end of described resistance R29 is connected with the first output of described controller, other one end of described resistance R29 is connected with the base stage of described triode Q4, the grounded emitter of described triode Q4, the colelctor electrode of described triode Q4 and described resistance R21, described resistance R30 all connects, other one end of described resistance R21 is connected with the input of described pronunciation device, described resistance R30 connects with described electric capacity C71, one end of described electric capacity C71 is connected with one end of described resistance R30, other one end of described electric capacity C71 is connected with dc source.
Further, described tone circuit comprises resistance R31 and triode Q5, wherein, one end of described resistance R31 is connected with the second output of described controller, other one end of described resistance R31 is connected with the base stage of described triode Q5, one end that emitter stage and the described electric capacity C71 of described triode Q5 are connected dc source is connected, and the colelctor electrode of described triode Q5 is connected with the input of described pronunciation device.
Further, described pronunciation device comprises buzzer, and the resistance R20 in parallel with described buzzer.
Pass through the present invention, when controller U3 receives the control counter-rotational signal of motor and detects that motor rotates, level control circuit I is utilized to regulate volume, tone circuit II regulates tone, makes buzzer send alarm music by the acting in conjunction of level control circuit I and tone circuit II.Wherein, electric capacity is provided with in level control circuit I, by the volume change of the sound of the control of discharge buzzer of electric capacity, simultaneously, the length change duration of a sound of level signal is also received by control level control circuit I, the tone of the sound of buzzer is changed by the square wave frequency controlling tone circuit II, buzzer is made to send polyphonic ring tone, thus the problem that the sound sent solving buzzer in the counter-rotational process of Normal juice machine in prior art is single, and then reach the effect of the pronunciation enriching buzzer, also improve the experience of user.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the circuit diagram of the warning circuit according to the embodiment of the present invention; And
Fig. 2 is the flow chart of the alarm method for food cooking machine according to the embodiment of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of warning system for food cooking machine.Alternatively, this warning system can be used in the food cooking machine that Normal juice machine, flour stranding machine, mixer etc. need rotating to switch.Fig. 1 is the circuit diagram of the warning system for food cooking machine according to the embodiment of the present invention.As shown in the figure, this warning system being used for food cooking machine comprises controller U3 and warning circuit, wherein, warning circuit is used for sending alarm music, controller U3 is connected with warning circuit, receive make the counter-rotational signal of the motor of food cooking machine, controller receive make the counter-rotational signal of motor and detect that motor rotates time, controller control motor by just turn to reversion switch while control warning circuit send alarm music until motor reversal.
In the present embodiment, alarm music is sent in motor is by the process just turning to reversion to switch, reversion work is carried out with prompting, because motor has time delay from just forwarding reversion to, the alarm music sent in the process can be melodic music, as polyphonic ring tone, thus solve the more single problem of alarm sound in prior art, and the single problem causing alarm sound to be considered to mechanical disorder of alarm sound can be avoided.
Particularly, if there is the situation of motor rotation blockage, before receiving reverse signal, controller U3 controls warning circuit and sends alarm music until motor reversal starts.Further particularly, if motor does not occur stall, after receiving reverse signal, in order to ensure that motor is not damaged, detecting motor and whether stopping operating, after motor stalls being detected, controlling motor reversal again.From receiving reverse signal to the process of motor reversal, controller U3 controls warning circuit and sends alarm music.If motor rotates, then control motor and lower rotating speed gradually until stop operating, lower rotating speed gradually until in the process that stops operating, controller U3 also controls warning circuit and sends alarm music.
Such as, when Normal juice machine motor rotation blockage, and before receiving reverse signal, controller U3 controls warning circuit and plays alarm music, and prompting motor is by just turning to reversion conversion.If motor does not have stall, be only need to overturn owing to receiving reverse signal, then, while receiving reverse signal, namely controller controls warning circuit and sends alarm music.
Particularly, warning circuit can send one section of polyphonic ring tone, can also send an of short duration acoustic alarm.This warning circuit comprises level control circuit I and tone circuit II, and the pronunciation device BUZ1 to be all connected with level control circuit I and tone circuit II, wherein, the input of level control circuit I is connected with the level output end of controller U3, output is connected with an input of pronunciation device, for receiving the level signal of self-controller U3, with to the capacitor charging in level control circuit I, and control the volume of the sound that pronunciation device sends; The input of tone circuit II is connected with the square-wave signal output of controller U3, and output is connected with another input of pronunciation device, for receiving the square-wave signal of self-controller U3, and the tone of the sound sent to regulate pronunciation device.Pronunciation device BUZ1 comprises buzzer and resistance R20, and buzzer is in parallel with resistance R20, and resistance R20 is used for filtering and protects buzzer, and the two ends of this resistance R20 are connected with the output of level control circuit I, the output of tone circuit II respectively.Discharge after being full of electricity by the electric capacity C71 in level control circuit I, along with electric capacity C71 control of discharge buzzer sends volume sound from high to low, simultaneously, the tone of the sound that tone circuit II is sent by the frequency adjustment buzzer of square-wave signal, wherein, the frequency of the square-wave signal that tone circuit II receives is higher, and the tone of its sound sent is higher.
Particularly, level control circuit I comprises resistance R29, triode Q4, resistance R21, resistance R30 and electric capacity C71, wherein, one end of resistance R29 is connected with first output of controller U3, other one end of resistance R29 is connected with the base stage of triode Q4, the grounded emitter of triode Q4, the colelctor electrode of triode Q4 and resistance R21, resistance R30 all connects, other one end of resistance R21 is connected with the input of pronunciation device, resistance R30 connects with electric capacity C71, one end of electric capacity C71 is connected with one end of resistance R30, other one end of electric capacity C71 is connected with dc source.As shown in Figure 1, when not needing buzzer to work, level control circuit I receives high level, now triode Q4 ends, when needs buzzer works, level control circuit I receives low level, makes triode Q4 conducting, when triode Q4 conducting, electric capacity C71 is charged, end until electric capacity C71 is full of electric triode Q4.Electric capacity C71 discharges after being full of electricity, thus control buzzer sends volume change from high to low, in the process of electric capacity C71 discharge and recharge, level control circuit I can continue the level signal receiving self-controller U3, changes the duration of a sound and dead time by regulating the signal length of level signal.The transmission rule of the level signal pre-set can be stored in controller U3, thus make buzzer send predetermined music under the control of the level signal pre-set.
The sound sent to make buzzer has the effect of polyphonic ring tone, while the volume of the sound regulating buzzer to send by level control circuit I, the tone of the sound that buzzer can also be regulated to send by tone circuit II, particularly, tone circuit II comprises resistance R31 and triode Q5, wherein, one end of resistance R31 is connected with second output of controller U3, other one end of resistance R31 is connected with the base stage of triode Q5, one end that emitter stage and the electric capacity C71 of triode Q5 are connected dc source is connected, the colelctor electrode of triode Q5 is connected with the input of pronunciation device.As shown in Figure 1, when not needing buzzer to work, tone circuit II receives low level, now triode Q5 ends, when needs buzzer works, tone circuit II receives the square-wave signal of different frequency, controls by the square-wave signal of different frequency the sound that buzzer sends different tone.
By above-described embodiment, regulate volume at controller U3 control level control circuit I, and control tone circuit II regulates tone, makes buzzer send polyphonic ring tone by the acting in conjunction of level control circuit I and tone circuit II.Wherein, electric capacity is provided with in level control circuit I, by the volume change of the sound of the control of discharge buzzer of electric capacity, simultaneously, the length change duration of a sound of level signal is also received by control level control circuit I, the tone of the sound of buzzer is changed by the square wave frequency controlling tone circuit II, buzzer is made to send polyphonic ring tone, thus the problem that the sound sent solving buzzer in the counter-rotational process of Normal juice machine in prior art is single, and then reach the effect of the pronunciation enriching buzzer, also improve the experience of user.
The embodiment of the present invention additionally provides a kind of alarm method for food cooking machine.The warning system for food cooking machine that the alarm method for food cooking machine of the embodiment of the present invention can be provided by the embodiment of the present invention performs, and the warning system for food cooking machine of the embodiment of the present invention also may be used for performing the alarm method for food cooking machine that the embodiment of the present invention provides.
Fig. 2 is the flow chart of the alarm method for food cooking machine according to the embodiment of the present invention.As shown in the figure, this alarm method being used for food cooking machine comprises the steps:
Step S202, controller receives and makes the counter-rotational signal of motor.
Step S204, judges that whether motor is in rotation.
Step S206, if motor is rotating, then controller is controlling motor and controlling warning circuit broadcasting alarm music until motor reversal while just turning to reversion to switch.
Step S208, if motor does not rotate, then controller controls motor reversal after controlling warning circuit of short duration warning one sound.
Particularly, if there is the situation of motor rotation blockage, before receiving reverse signal, controller U3 controls warning circuit and sends alarm music until motor reversal starts.Further particularly, if motor does not occur stall, after receiving reverse signal, in order to ensure that motor is not damaged, detecting motor and whether stopping operating, after motor stalls being detected, controlling motor reversal again.From receiving reverse signal to the process of motor reversal, controller U3 controls warning circuit and sends alarm music.If motor rotates, then control motor and lower rotating speed gradually until stop operating, lower rotating speed gradually until in the process that stops operating, controller U3 also controls warning circuit and sends alarm music.
Such as, when Normal juice machine motor rotation blockage, and before receiving reverse signal, controller U3 controls warning circuit and plays warning circuit, and prompting motor is by just turning to reversion conversion.If motor does not have stall, be only need to overturn owing to receiving reverse signal, then, while receiving reverse signal, namely controller controls warning circuit and sends alarm music.
Particularly, controller U3 to the level control circuit I transmission level signal of warning circuit, to make the capacitor charging in warning circuit; Controller U3 sends square-wave signal to the tone circuit II of warning circuit, the tone of the sound sent to regulate warning circuit.Discharge after being full of electricity by the electric capacity C71 in level control circuit I, along with electric capacity C71 control of discharge buzzer sends volume sound from high to low, simultaneously, the tone of the sound that tone circuit II is sent by the frequency adjustment buzzer of square-wave signal, wherein, the frequency of the square-wave signal that tone circuit II receives is higher, and the tone of its sound sent is higher.As shown in Figure 1, when not needing buzzer to work, level control circuit I receives high level, now triode Q4 ends, when needs buzzer works, level control circuit I receives low level, makes triode Q4 conducting, when triode Q4 conducting, electric capacity C71 is charged, end until electric capacity C71 is full of electric triode Q4.Electric capacity C71 discharges after being full of electricity, thus control buzzer sends volume change from high to low, in the process that electric capacity C71 discharges, level control circuit I can continue the level signal receiving self-controller U3, changes the duration of a sound and dead time by regulating the signal length of level signal.The transmission rule of the level signal pre-set can be stored in controller U3, thus make buzzer send predetermined music under the control of the level signal pre-set.The sound sent to make buzzer has the effect of polyphonic ring tone, while the volume of the sound regulating buzzer to send by level control circuit I, the tone of the sound that buzzer can also be regulated to send by tone circuit II, as shown in Figure 1, when not needing buzzer to work, tone circuit II receives low level, now triode Q5 ends, when needs buzzer works, tone circuit II receives the square-wave signal of different frequency, controls by the square-wave signal of different frequency the sound that buzzer sends different tone.
By above-described embodiment, regulate volume at controller U3 control level control circuit I, tone circuit II regulates tone, makes buzzer send polyphonic ring tone by the acting in conjunction of level control circuit I and tone circuit II.Wherein, electric capacity is provided with in level control circuit I, by the volume change of the sound of the control of discharge buzzer of electric capacity, simultaneously, the length change duration of a sound of level signal is also received by control level control circuit I, the tone of the sound of buzzer is changed by the square wave frequency controlling tone circuit II, buzzer is made to send polyphonic ring tone, thus the problem that the sound sent solving buzzer in the counter-rotational process of Normal juice machine in prior art is single, and then reach the effect of the pronunciation enriching buzzer, also improve the experience of user.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. for an alarm method for food cooking machine, it is characterized in that, described food cooking machine comprises controller, motor and warning circuit, wherein:
After described controller receives and makes the counter-rotational signal of described motor, judge that whether described motor is in rotation, if described motor is in rotation, then described controller controls described motor and control described warning circuit broadcasting alarm music until described motor reversal while just turning to reversion to switch.
2. the alarm method of food cooking machine according to claim 1, it is characterized in that, after described controller receives and makes the counter-rotational signal of described motor, before described motor starts reversion, described controller controls described motor and reduces speed now until described motor stalls, and described controller controls to control described warning circuit while described motor reduces speed now and plays described alarm music.
3. the alarm method of food cooking machine according to claim 1, it is characterized in that, after described controller receives and makes the counter-rotational signal of described motor, judge that whether described motor is in rotation, if described motor does not rotate, then described controller controls described motor reversal after controlling described warning circuit of short duration warning one sound.
4. the alarm method of food cooking machine according to claim 1, it is characterized in that, before described controller receives and makes the counter-rotational signal of described motor, described controller judges described motor whether stall, if described motor rotation blockage, then described controller controls described warning circuit and plays described alarm music until described motor reversal starts.
5. the alarm method of food cooking machine as claimed in any of claims 1 to 4, is characterized in that, described controller controls described warning circuit broadcasting alarm music and comprises:
Described controller to the level control circuit transmission level signal of described warning circuit, to make the capacitor charge and discharge in described warning circuit;
Described controller sends square-wave signal, the tone of the sound sent to regulate described warning circuit to the tone circuit of described warning circuit.
6. the alarm method of food cooking machine according to claim 5, is characterized in that, level control circuit transmission level signal from described controller to described warning circuit after, described method also comprises:
When described capacitor charge and discharge, continue to described level control circuit transmission level signal, the volume of the sound sent to regulate described warning circuit.
7. for a warning system for food cooking machine, it is characterized in that, comprising:
Warning circuit, for sending alarm music;
Controller, be connected with described warning circuit, the counter-rotational signal of the motor of described food cooking machine is made for receiving, described controller receive make the counter-rotational signal of described motor and detect that described motor rotates time, described controller controls described motor and controls described warning circuit and send alarm music until described motor reversal while just turning to reversion to switch.
8. warning system according to claim 7, is characterized in that, described warning circuit comprises level control circuit and tone circuit, and the pronunciation device be all connected with described level control circuit and described tone circuit, wherein,
Level control circuit, input is connected with the level output end of described controller, output is connected with an input of described pronunciation device, for receiving the level signal from described controller, to control the capacitor charge and discharge in described level control circuit, and control the volume of the sound that described pronunciation device sends;
Tone circuit, input is connected with the square-wave signal output of described controller, output is connected with another input of described pronunciation device, for receiving the square-wave signal from described controller, and the tone of the sound sent to regulate described pronunciation device.
9. warning system according to claim 8, is characterized in that, described level control circuit comprises resistance R29, triode Q4, resistance R21, resistance R30 and electric capacity C71, wherein,
One end of described resistance R29 is connected with the first output of described controller, other one end of described resistance R29 is connected with the base stage of described triode Q4, the grounded emitter of described triode Q4, the colelctor electrode of described triode Q4 is all connected with described resistance R21, described resistance R30, other one end of described resistance R21 is connected with the input of described pronunciation device, described resistance R30 connects with described electric capacity C71, one end of described electric capacity C71 is connected with one end of described resistance R30, and other one end of described electric capacity C71 is connected with dc source.
10. warning system according to claim 8, is characterized in that, described tone circuit comprises resistance R31 and triode Q5, wherein,
One end of described resistance R31 is connected with the second output of described controller, other one end of described resistance R31 is connected with the base stage of described triode Q5, one end that emitter stage and the electric capacity C71 of described triode Q5 are connected dc source is connected, and the colelctor electrode of described triode Q5 is connected with the input of described pronunciation device.
11. warning systems according to claim 10, is characterized in that, described pronunciation device comprises buzzer, and the resistance R20 in parallel with described buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559223.1A CN104257296B (en) | 2014-10-20 | 2014-10-20 | alarm method and system for food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559223.1A CN104257296B (en) | 2014-10-20 | 2014-10-20 | alarm method and system for food processor |
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| CN104257296A true CN104257296A (en) | 2015-01-07 |
| CN104257296B CN104257296B (en) | 2016-06-08 |
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| CN201410559223.1A Active CN104257296B (en) | 2014-10-20 | 2014-10-20 | alarm method and system for food processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292506A (en) * | 2016-08-15 | 2017-01-04 | 广东技术师范学院 | A kind of flour stranding machine control system |
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| CN103166181A (en) * | 2011-12-16 | 2013-06-19 | 深圳市堃琦鑫华科技有限公司 | Control method of protecting blender motor |
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| US4759192A (en) * | 1986-04-04 | 1988-07-26 | U.S. Philips Corp. | Domestic appliance comprising a tool |
| CN1934979A (en) * | 2006-09-28 | 2007-03-28 | 深圳市和而泰电子科技有限公司 | Domestic icecream machine |
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| CN104257296B (en) | 2016-06-08 |
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