CN107280481B - Grind the beans quantity measuring method and coffee machine of beans equipment - Google Patents
Grind the beans quantity measuring method and coffee machine of beans equipment Download PDFInfo
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- CN107280481B CN107280481B CN201710441544.5A CN201710441544A CN107280481B CN 107280481 B CN107280481 B CN 107280481B CN 201710441544 A CN201710441544 A CN 201710441544A CN 107280481 B CN107280481 B CN 107280481B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/42—Beverage-making apparatus with incorporated grinding or roasting means for coffee
Abstract
The present invention relates to a kind of beans quantity measuring methods and coffee machine for grinding beans equipment.Beans quantity measuring method includes the following steps: starting mill beans motor, carries out first round current detecting, detects the current value I of primary mill beans motor every the first preset time, detects A primary current value I altogether；If there is B primary current value I>I1, then judge that coffee machine in there is beans state, if there is C primary current value I<I2, then judges coffee machine in no beans state；If not meeting above-mentioned condition, the second wheel and third round current detecting are carried out, if (P1-P2)-(P2-P3) < I3, and P3 < I2, then in no beans state, being otherwise in has beans state for judgement.The beans quantity measuring method and coffee machine of mill beans equipment provided in an embodiment of the present invention, it is only necessary to which the electric current of opposite grinding beans motor is detected, so that it may judge that whether there are also coffee beans in beans bucket, had not only realized the detection of beans amount, but also the cost without increasing coffee machine.
Description
Technical field
The present invention relates to appliance fields, and in particular to a kind of beans quantity measuring method and coffee machine for grinding beans equipment.
Background technique
Now, more and more families are using coffee machine.Traditional coffee machine is typically all using produced
Ground coffee infuse coffee, but the price of finished coffee powder is higher, the higher cost for the family often to drink coffee.For
This, someone develops the coffee machine with bean-grinding function, and this coffee machine generally grinds coffee bean using grinding device,
Ground coffee is obtained, is then brewed again.During grinding beans, need to judge whether there are also coffee beans in beans bucket, to control
Whether system mill beans motor stops working.For this purpose, existing some coffee machines are provided with beans amount detection machine structure, but these beans amounts are examined
The addition of mechanism is surveyed, so that the structure of coffee machine becomes increasingly complex, cost also increases much, and the competitiveness in market is inadequate.
Summary of the invention
In view of this, the present invention is intended to provide a kind of the beans quantity measuring method and coffee of simple, low cost mill beans equipment
Coffee machine.
In order to achieve the object of the present invention, on the one hand the embodiment of the present invention provides a kind of beans amount detection side for grinding beans equipment
Method comprising following steps:
Starting mill beans motor, carries out first round current detecting, detects the electricity of primary mill beans motor every the first preset time
Flow valuve I detects A primary current value I altogether；
The current value I detected to A times judges, if wherein there is B primary current value I > I1, judges that grinding beans equipment is in
There is beans state, if there is C primary current value I < I2, then judge that grinding beans equipment is in no beans state, wherein B, C are preset value and equal
Less than A, I1 is the first pre-set current value, and I2 is the second pre-set current value, and I1 > I2；
If not meeting above-mentioned condition, the second wheel current detecting and third round current detecting are successively carried out, according to first
It takes turns to the current detecting result of third round and first round current average P1, the second wheel current average P2 and third round is calculated
Current average P3；
If (P1-P2)-(P2-P3) < I3, and P3 < I2, then judge to grind beans equipment in no beans state, otherwise judgement is ground
Beans equipment, which is in, beans state, and I3 is third pre-set current value.
Preferably, if it is determined that mill beans equipment, which is in, beans state, then primary mill beans electricity is detected every the first preset time
The current value I of machine then judges that grinding beans equipment mill beans finishes, and controls the mill beans equipment when detecting continuous D primary current value I < I2
Stop mill beans.
Preferably, judge after grinding beans equipment mill beans, control the mill beans equipment again after second preset time that is delayed and stop
Only grind beans.
Preferably, when judging to grind beans equipment in no beans state, alarm signal is issued.
Preferably, the second wheel current detecting and third round current detecting detect A primary current value I, every time detection interval institute
State the first preset time.
On the other hand the embodiment of the present invention provides a kind of coffee machine comprising controller and mill beans motor, the mill beans electricity
When machine starts, the controller carries out first round current detecting to the mill beans motor, primary every the detection of the first preset time
The current value I of beans motor is ground, detects A primary current value I altogether；The controller to A times detect current value I judge, if
Wherein there is B primary current value I>I1, then judges that the coffee machine in there is beans state, if there is C primary current value I<I2, then judges institute
Coffee machine is stated in no beans state, wherein B, C are preset value and respectively less than A, I1 are the first pre-set current value, and I2 is second pre-
If current value, and I1 > I2；If not meeting above-mentioned condition, the controller successively carries out the second wheel current detecting and third
Current detecting is taken turns, first round current average P1, the second wheel are calculated according to the current detecting result of the first round to third round
Current average P2 and third round current average P3；If (P1-P2)-(P2-P3) < I3, and P3 < I2, then judge coffee machine
In no beans state, the coffee machine is otherwise judged in there is beans state, I3 is third pre-set current value.
Preferably, if it is determined that coffee machine, which is in, beans state, then the controller detects one every the first preset time
The current value I of secondary mill beans motor then judges that the coffee machine mill beans finish, the control when detecting continuous D primary current value I < I2
Device processed controls the coffee machine and stops mill beans.
Preferably, after judging the coffee machine mill beans, institute is controlled again after second preset time of delaying time of controller
It states coffee machine and stops mill beans.
Preferably, when judging coffee machine in no beans state, the controller issues alarm signal.
Preferably, the second wheel current detecting and third round current detecting detect A primary current value I, every time between detection
Every first preset time.
The beans quantity measuring method and coffee machine of mill beans equipment provided in an embodiment of the present invention, it is only necessary to the electricity of opposite grinding beans motor
Stream is detected, so that it may judge not only to have realized the detection of beans amount, but also without increasing coffee machine whether there are also coffee bean in beans bucket
Cost, the structure of coffee machine is not also influenced.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The embodiment of the present invention provides a kind of beans quantity measuring method for grinding beans equipment.The beans quantity measuring method of the mill beans equipment can
To be applied to coffee machine, soy bean milk making machine also can be applied to, can also be applied to other mill beans equipment.The present embodiment is with coffee machine
For introduce the beans quantity measuring method of the mill beans equipment.The beans quantity measuring method of the mill beans equipment includes the following steps:
Step 1: starting mill beans motor carries out first round current detecting, detects primary mill beans electricity every the first preset time
The current value I of machine detects A primary current value I altogether；Specifically, after grinding beans electric motor starting 2 seconds, start to carry out current detecting, every
Detection in 0.5 second is primary, detects 6 times altogether, namely the current value I, A=6 of No. 6 mill beans motors are detected in 3 seconds；
Step 2: the current value I detected to A times judges, if wherein there is B primary current value I > I1, judges to grind beans
Equipment, which is in, beans state, if there is C primary current value I < I2, then judges to grind beans equipment in no beans state, wherein B, C are pre-
If value and respectively less than A, I1 are the first pre-set current value, I2 is the second pre-set current value, and I1 > I2；Specifically, I1 is mill beans
Motor corresponding current value in 60W power, I2 are then mill beans motor corresponding current values in 40W power, and B and C can be with
Equal to 3；
Step 3: if not meeting above-mentioned condition, the second wheel current detecting and third round current detecting, root are successively carried out
According to the current detecting result of the first round to third round be calculated first round current average P1, second wheel current average P2 and
Third round current average P3；Specifically, after first round detection, third round current detecting then exists the second wheel current detecting
After second wheel current detecting, the detection number and interval time of the second wheel and third round current detecting can be with first round electric currents
It detects identical, can also be different, P1 is the average value of first round current detecting A primary current value I, and similarly, P2 and P3 are respectively
The average value of whole current detection values in second wheel and third round current detecting；
Step 4: if (P1-P2)-(P2-P3) < I3, and P3 < I2, then judge to grind beans equipment in no beans state, otherwise
Judgement mill beans equipment, which is in, beans state, and I3 is third pre-set current value；Specifically, I3 is equivalent to mill beans power of motor difference
Current difference value when 10W illustrates that the current difference value fluctuation for grinding beans motor is larger if (P1-P2)-(P2-P3) > I3,
There is coffee bean interfering, this kind of phenomenon illustrates to grind beans equipment and be in have beans state, and beans quantity is generally less than 1 glass certainly.
In a preferred embodiment, if it is determined that mill beans equipment, which is in, a beans state, mill beans motor continues to grind beans, and every
The current value I of the primary mill beans motor of first preset time detection then judges that grinding beans sets when detecting continuous D primary current value I < I2
Standby mill beans finish, and control mill beans equipment stops mill beans.Specifically, the first preset time is 0.5 second, D=5, namely when judgement
Mill beans equipment is in when having beans state, and mill beans equipment is transferred to lasting detection data work, every the primary mill beans electricity of acquisition in 0.5 second
The current value I of machine is less than I2 until continuous 5 primary current occurs in detection data, illustrates that mill beans completely have finished at this time.Further
Preferably, after judgement mill beans equipment mill beans, mill beans equipment is controlled after second preset time that is delayed again and stops mill beans.Second
Preset time can be 5 seconds, namely after mill beans equipment mill beans, mill beans motor stops mill beans work after being delayed 5 seconds,
Grind other work that beans equipment carries out next step.
In a preferred embodiment, when judging to grind beans equipment in no beans state, alarm signal is issued.Specifically, when sentencing
When breaking out without beans state, stop the subsequent useless work of mill beans motor at once, and sounding alarm prompts user.Certainly, at other
In embodiment, it can also be alarmed in the form of alarm lamp.
In a preferred embodiment, the second wheel current detecting and third round current detecting detect A primary current value I, examine every time
The first preset time of interval is surveyed, A can be equal to 6, and the first preset time can be 0.5 second, the second wheel current average P2 and the
Three-wheel current average P3 is the average value of 6 detection current value I.
The embodiment of the present invention also provides a kind of coffee machine comprising controller and mill beans motor.Certainly, which may be used also
To include beans bucket, cup for infusing and steeping, water tank, hot water component etc., details are not described herein again.When grinding beans electric motor starting, controller opposite grinding beans electricity
Machine carries out first round current detecting, detects the current value I of primary mill beans motor every the first preset time, detects A primary current altogether
Value I；The current value I that controller detects A times judges, if wherein there is B primary current value I > I1, judges that coffee machine is in
There is beans state, if there is C primary current value I < I2, then judges coffee machine in no beans state, wherein B, C are preset value and small
In A, I1 is the first pre-set current value, and I2 is the second pre-set current value, and I1 > I2；If not meeting above-mentioned condition, controller
The second wheel current detecting and third round current detecting are successively carried out, is calculated according to the current detecting result of the first round to third round
To first round current average P1, the second wheel current average P2 and third round current average P3；(if P1-P2)-(P2-
P3) < I3, and P3 < I2 then judge that coffee machine in no beans state, otherwise judges coffee machine in there is beans state, I3 is that third is pre-
If current value.The method specifically detected can refer to the beans quantity measuring method of above-mentioned mill beans equipment, and details are not described herein again.
In a preferred embodiment, if it is determined that coffee machine, which is in, beans state, controller control mill beans motor continues to grind beans,
And then sentence every the current value I that the first preset time detects primary mill beans motor when detecting continuous D primary current value I < I2
Disconnected coffee machine mill beans finish, and control coffee machine stops mill beans.Specifically, the first preset time is 0.5 second, D=5, namely is worked as
Coffee machine is judged in when having beans state, and coffee machine is transferred to lasting detection data work, electric every the primary mill beans of acquisition in 0.5 second
The current value I of machine is less than I2 until continuous 5 primary current occurs in detection data, illustrates that mill beans completely have finished at this time.Further
Preferably, after judging coffee machine mill beans, coffee machine is controlled after second preset time that is delayed again and stops mill beans.Second is default
Time can be 5 seconds, namely after coffee machine mill beans, and controller, which can be delayed 5 seconds, controls mill beans motor stopping mill beans work
Make, coffee machine carries out other work of next step.
In a preferred embodiment, when judging coffee machine in no beans state, controller issues alarm signal.Specifically,
Alarm lamp or buzzer can be set on coffee machine, when judging no beans state, controller stops grinding beans motor at once
Subsequent useless work, and alarm signal is issued to prompt user by alarm lamp or buzzer.
In a preferred embodiment, the second wheel current detecting and third round current detecting detect A primary current value I, examine every time
The first preset time of interval is surveyed, A can be equal to 6, and the first preset time can be 0.5 second, the second wheel current average P2 and the
Three-wheel current average P3 is the average value of 6 detection current value I.
The beans quantity measuring method and coffee machine of mill beans equipment provided in an embodiment of the present invention, it is only necessary to the electricity of opposite grinding beans motor
Stream is detected, so that it may judge not only to have realized the detection of beans amount, but also without increasing coffee machine whether there are also coffee bean in beans bucket
Cost, the structure of coffee machine is not also influenced.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of beans quantity measuring method for grinding beans equipment comprising following steps:
Starting mill beans motor, carries out first round current detecting, detects the current value of primary mill beans motor every the first preset time
I detects A primary current value I altogether；
It is characterized in that, further including following steps after carrying out first round current detecting:
The current value I detected to A times judges, if wherein there is B primary current value I > I1, judges to grind beans equipment and be in have beans
State then judges to grind beans equipment in no beans state, wherein B, C are preset value and are respectively less than if there is C primary current value I < I2
A, I1 are the first pre-set current value, and I2 is the second pre-set current value, and I1 > I2；
If not meeting above-mentioned condition, the second wheel current detecting and third round current detecting are successively carried out, extremely according to the first round
First round current average P1, the second wheel current average P2 and third round electric current is calculated in the current detecting result of third round
Average value P 3；
If (P1-P2)-(P2-P3) < I3, and P3 < I2, then judge to grind beans equipment in no beans state, otherwise judgement mill beans are set
Standby be in has beans state, and I3 is third pre-set current value.
2. the beans quantity measuring method of mill beans equipment according to claim 1, which is characterized in that if it is determined that at mill beans equipment
In there is beans state, then the current value I of primary mill beans motor is detected every the first preset time, when detecting continuous D primary current value I
< I2 then judges that grinding beans equipment mill beans finishes, and controls the mill beans equipment and stops mill beans.
3. the beans quantity measuring method of mill beans equipment according to claim 2, which is characterized in that judgement mill beans equipment mill beans are complete
Bi Hou controls the mill beans equipment after second preset time that is delayed again and stops grinding beans.
4. the beans quantity measuring method of mill beans equipment according to claim 1, which is characterized in that judgement mill beans equipment is in nothing
When beans state, alarm signal is issued.
5. the beans quantity measuring method of mill beans equipment according to claim 1, which is characterized in that the second wheel current detecting and the
Three-wheel current detecting detects A primary current value I, and detection is spaced first preset time every time.
6. a kind of coffee machine comprising controller and mill beans motor, when the mill beans electric motor starting, the controller is to the mill
Beans motor carries out first round current detecting, detects the current value I of primary mill beans motor every the first preset time, detects A times altogether
Current value I；It is characterized in that, the controller to A times detect current value I judge, if wherein have B primary current value I >
I1 then judges that the coffee machine in there is beans state, if there is C primary current value I < I2, then judges the coffee machine in no beans
State, it is the first pre-set current value that wherein B, C, which are preset value and respectively less than A, I1, and I2 is the second pre-set current value, and I1 >
I2；If not meeting above-mentioned condition, the controller successively carries out the second wheel current detecting and third round current detecting, according to
First round current average P1, the second wheel current average P2 and the is calculated in the current detecting result of the first round to third round
Three-wheel current average P3；If (P1-P2)-(P2-P3) < I3, and P3 < I2, then judge coffee machine in no beans state, otherwise
The coffee machine is judged in there is beans state, and I3 is third pre-set current value.
7. coffee machine according to claim 6, which is characterized in that if it is determined that coffee machine, which is in, beans state, then it is described
Controller detects the current value I of primary mill beans motor every the first preset time, when detecting continuous D primary current value I < I2, then
Judge that the coffee machine mill beans finish, the controller controls the coffee machine and stops mill beans.
8. coffee machine according to claim 7, which is characterized in that after judging the coffee machine mill beans, the control
The coffee machine is controlled again after device the second preset time of delay stops mill beans.
9. coffee machine according to claim 6, which is characterized in that when judging coffee machine in no beans state, the control
Device issues alarm signal.
10. coffee machine according to claim 6, which is characterized in that the second wheel current detecting and the inspection of third round electric current
It surveys and detects A primary current value I, detection is spaced first preset time every time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441544.5A CN107280481B (en) | 2017-06-13 | 2017-06-13 | Grind the beans quantity measuring method and coffee machine of beans equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710441544.5A CN107280481B (en) | 2017-06-13 | 2017-06-13 | Grind the beans quantity measuring method and coffee machine of beans equipment |
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| CN107280481B true CN107280481B (en) | 2019-06-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110507178B (en) * | 2018-05-21 | 2021-06-01 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, cooking control method, cooking control device, and storage medium |
| CN110261667B (en) * | 2019-05-15 | 2022-08-23 | 宁波拓邦智能控制有限公司 | Bean grinding machine lack detection method and system, bean grinding machine and motor power detection circuit |
| CN114568958A (en) * | 2022-02-24 | 2022-06-03 | 深圳拓邦股份有限公司 | Coffee grinder and state detection method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3052222B2 (en) * | 1992-04-28 | 2000-06-12 | 松下電器産業株式会社 | Coffee kettle |
| JPH05317185A (en) * | 1992-05-19 | 1993-12-03 | Nippon Philips Kk | Coffee maker with mill |
| ATE361017T1 (en) * | 2005-03-29 | 2007-05-15 | Saeco Ipr Ltd | METHOD FOR DETECTING THE MISSING OF COFFEE BEANS IN A GRINDER OF A COFFEE MACHINE AND COFFEE MACHINE FOR IMPLEMENTING THE METHOD |
| US10517434B2 (en) * | 2013-11-12 | 2019-12-31 | Koninklijke Philips N.V. | Coffee grinder and coffee grinding method |
| US9675211B2 (en) * | 2015-03-06 | 2017-06-13 | Helen Of Troy Limited | No-bean detection for coffee bean grinder |
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