CN107327878A - Micro-wave oven zero load detection means, method and micro-wave oven - Google Patents
Micro-wave oven zero load detection means, method and micro-wave oven Download PDFInfo
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- CN107327878A CN107327878A CN201710601509.5A CN201710601509A CN107327878A CN 107327878 A CN107327878 A CN 107327878A CN 201710601509 A CN201710601509 A CN 201710601509A CN 107327878 A CN107327878 A CN 107327878A
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- wave oven
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- rotating disk
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/02—Stoves or ranges heated by electric energy using microwaves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
Abstract
The embodiment of the present invention provides a kind of unloaded detection means of micro-wave oven, method and micro-wave oven, belongs to household appliance technical field.This method includes：The rotating disk for driving the micro-wave oven by the machine shaft of the micro-wave oven rotates the very first time；After the very first time, stop the driving rotating disk, and detect first number of turns that the machine shaft of the micro-wave oven in the first inertia time is rotated due to the inertia of the rotating disk；And judge whether the micro-wave oven is unloaded according to first number of turns and the first pre- fixing turn.Micro-wave oven zero load detection means, cheap method and micro-wave oven cost, long lifespan and assemble easy.
Description
Technical field
The present invention relates to household appliance technical field, more particularly to a kind of unloaded detection means of micro-wave oven, method and microwave
Stove.
Background technology
Micro-wave oven is to absorb microwave energy in microwave field using food and make the cooking apparatus of conducting self-heating.It, which has, cooks
Speed of preparing food is fast, few nutrient loss of food, the flames of anger and oil smoke, reheating effect be good and the features such as fast thawing rate, it is standby
Liked by consumer.
It is not fill long-time no-load running perhaps during micro-wave oven product use.Reason is that microwave generator is produced
Electromagnetic wave in the case of no food absorption, some can be absorbed by microwave generator, some consumption in cavity, make
Into microwave generator damage, micro-wave oven door seal because of failures such as high temperature deformation sparkings.
It is existing to judge whether the method for no-load running has micro-wave oven：
1st, detect the change of furnace chamber internal temperature to judge whether no-load running using temperature-sensing device.This method cost
Compare high, accuracy is poor, and to change existing microwave oven cavity and carry out installation detecting device.
2nd, launch and receive the ultrasonic wave reflected using ultrasonic sensor, whether can interpolate that out microwave oven cavity
In Light Condition.The unloaded detection accuracy of this method is higher, but cost is higher, installs complicated, it is necessary to change existing
There is microwave oven cavity, and ultrasonic wave is easily disturbed under microwave environment, the life-span is not long.
Therefore, the unloaded detection functional cost that existing micro-wave oven has is higher, installs complicated, applicability is not strong.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of unloaded detection means of micro-wave oven, method and micro-wave oven, the microwave
Stove zero load detection means, cheap method and micro-wave oven cost, long lifespan and assemble easy.
To achieve these goals, the embodiment of the present invention provides a kind of micro-wave oven unloaded detection method, and this method includes：It is logical
The machine shaft for crossing the micro-wave oven drives the rotating disk of the micro-wave oven to rotate the very first time；After the very first time, stop
The rotating disk is only driven, and detects the machine shaft of the micro-wave oven in the first inertia time because the inertia of the rotating disk is rotated
First number of turns；And judge whether the micro-wave oven is unloaded according to first number of turns and the first pre- fixing turn.
Preferably, it is described to judge whether zero load includes the micro-wave oven according to first number of turns and the first pre- fixing turn：
When first number of turns is equal to the first pre- fixing turn, judge that the micro-wave oven is unloaded；It is more than institute in first number of turns
When stating the first pre- fixing turn, judge that the micro-wave oven is not unloaded.
Preferably, the machine shaft by the micro-wave oven drive the rotating disk of the micro-wave oven rotate the very first time it
Afterwards, this method includes：Stop the driving rotating disk, and detect the machine shaft of the micro-wave oven in the second time due to described turn
Second number of turns that the inertia of disk is rotated, wherein second time is less than first inertia time；Second time it
Afterwards, at the end of the rotation not that the machine shaft of the micro-wave oven is carried out due to the inertia of the rotating disk, the machine shaft is passed through
The rotating disk of the micro-wave oven is driven to rotate backward for the 3rd time, wherein the 3rd time is less than the very first time；Described
After 3rd time, stop the driving rotating disk, and detect the machine shaft of the micro-wave oven in the second inertia time by institute
State the 3rd number of turns that the inertia of rotating disk is rotated；And according to second number of turns, the second pre- fixing turn, the 3rd number of turns
And the 3rd pre- fixing turn judges whether the micro-wave oven is unloaded.
Preferably, it is described according to second number of turns, the second pre- fixing turn, the 3rd number of turns and the described 3rd
Pre- fixing turn judges whether zero load includes the micro-wave oven：It is equal to the described second pre- fixing turn and described in second number of turns
When 3rd number of turns is equal to the three pre- fixing turn, judge that the micro-wave oven is unloaded；And be more than in second number of turns described
When second pre- fixing turn or the 3rd number of turns are less than the three pre- fixing turn, judge that the micro-wave oven is not unloaded.
The embodiment of the present invention also provides a kind of micro-wave oven unloaded detection means, and the detection means includes：Control unit and
Detection unit, wherein, described control unit is used to drive the rotating disk of the micro-wave oven to turn by the machine shaft of the micro-wave oven
The dynamic very first time, and the stopping driving rotating disk after the very first time；The detection unit is used at described first
Between after, detection the first inertia time in the micro-wave oven machine shaft due to the rotating disk inertia rotate first lap
Number；And described control unit is additionally operable to judge whether the micro-wave oven is empty according to first number of turns and the first pre- fixing turn
Carry.
Preferably, described control unit is additionally operable to：When first number of turns is equal to the first pre- fixing turn, institute is judged
State micro-wave oven unloaded；When first number of turns is more than the first pre- fixing turn, judge that the micro-wave oven is not unloaded.
Preferably, the detection unit was additionally operable to after the very first time, the micro-wave oven in the second time of detection
Machine shaft due to the rotating disk inertia rotate second number of turns, wherein second time be less than first inertial time
Between；Described control unit was additionally operable to after second time, machine shaft being used to due to the rotating disk of the micro-wave oven
Property the rotation not that carries out at the end of, the rotating disk for driving the micro-wave oven by the machine shaft rotated backward for the 3rd time, and
After the 3rd time, stop the driving rotating disk, wherein the 3rd time is less than the very first time；The detection
Unit was additionally operable to after the 3rd time, and the machine shaft of the micro-wave oven is due to described turn in the second inertia time of detection
The 3rd number of turns that the inertia of disk is rotated；And described control unit is additionally operable to according to second number of turns, the described second predetermined circle
Several, described 3rd number of turns and the 3rd pre- fixing turn judge whether the micro-wave oven is unloaded.
Preferably, described control unit is additionally operable to：It is equal to the described second pre- fixing turn and described in second number of turns
When 3rd number of turns is equal to the three pre- fixing turn, judge that the micro-wave oven is unloaded；And it is being more than institute in second number of turns
When stating the second pre- fixing turn or the 3rd number of turns less than the three pre- fixing turn, judge that the micro-wave oven is not unloaded.
Preferably, the detection unit is hall detection component.
The embodiment of the present invention also provides a kind of micro-wave oven, and the micro-wave oven includes：Micro-wave oven zero load detection dress described above
Put；Rotating disk, the contact surface of the rotating disk and object is latticed；And drive shaft, the drive shaft is hypocrateriform to hold
The edge of rotating disk is stated, so as to drive the rotating disk to rotate during the drive shaft turns.
By above-mentioned technical proposal, the unloaded detection means of micro-wave oven, method and the micro-wave oven provided using the present invention is led to
The principle of inertia of dial movement generation is crossed, the number of turns and the circle of predetermined set rotated using micro-wave oven machine shaft caused by inertia
Number contrast, to judge whether microwave oven cavity is in Light Condition, micro-wave oven zero load detection means, method and micro-wave oven
Cost is cheap, long lifespan and assemble easy.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and constitutes a part for specification, with
The embodiment in face is used to explain the embodiment of the present invention together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure：
Fig. 1 is the flow chart for the unloaded detection method of micro-wave oven that one embodiment of the invention is provided；
Fig. 2 is the flow chart for the unloaded detection method of micro-wave oven that another embodiment of the present invention is provided；
Fig. 3 is the flow chart for the unloaded detection method of micro-wave oven that another embodiment of the present invention is provided；
Fig. 4 is the structural representation for the unloaded detection means of micro-wave oven that one embodiment of the invention is provided；And
Fig. 5 is the microwave oven turntable that one embodiment of the invention is provided and the schematic diagram of drive shaft.
Description of reference numerals
The detection unit of 401 control unit 402
The drive shaft of 501 rotating disk 502.
Embodiment
The embodiment of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this
The embodiment of place description is merely to illustrate and explain the present invention embodiment, is not intended to limit the invention embodiment.
Fig. 1 is the flow chart for the unloaded detection method of micro-wave oven that one embodiment of the invention is provided.As shown in figure 1, a kind of micro-
Ripple stove zero load detection method includes：The rotating disk for driving the micro-wave oven by the machine shaft of the micro-wave oven rotates the very first time
(step S11)；After the very first time, stop the driving rotating disk, and detect the micro-wave oven in the first inertia time
Machine shaft due to the rotating disk inertia rotate first number of turns (step S12)；It is pre- according to first number of turns and first
Fixing turn judges whether the micro-wave oven is unloaded (step S13).
The present invention is to carry out unloaded detection using the principle of object of which movement inertia.Object in motion is heavier, and inertia is got over
Greatly.When starting detection, controller sends instruction, allows rotating disk to rotate.After the very first time, stop rotary tray motor work, this
When rotating disk and object can rotate after the first inertia time and can just stop under the effect of inertia of motion, still.Due to the electricity of rotating disk
Machine rotating shaft and rotating disk ratio great disparity, as long as rotating disk is rotated a bit, machine shaft has just turned several and turn-taked, therefore uses motor
The number of turns of axis of rotation is the most rational to be compared.First pre- fixing turn is just set when dispatching from the factory, and this is first pre-
Fixing turn be in zero load, driving rotating disk rotate the very first time in the case of, the number of turns that machine shaft is rotated due to inertia.
In addition, the embodiment of the present invention can also include：Before the method for the present embodiment is performed, whether detection fire door closes
Close, the unloaded detection method of micro-wave oven of the present embodiment is just performed when fire door is closed.When judging that the micro-wave oven is unloaded, carry out
Alarm.
Fig. 2 is the flow chart for the unloaded detection method of micro-wave oven that another embodiment of the present invention is provided.As shown in Fig. 2 microwave
Stove zero load detection method includes：The rotating disk for driving the micro-wave oven by the machine shaft of the micro-wave oven rotates the very first time
(step S21)；After the very first time, stop the driving rotating disk, and detect the micro-wave oven in the first inertia time
Machine shaft due to the rotating disk inertia rotate first number of turns (step S22)；It is equal to described the in first number of turns
During one pre- fixing turn, judge that the micro-wave oven is unloaded (step S23)；It is more than the described first pre- fixing turn in first number of turns
When, judge that the micro-wave oven is not unloaded (step S24).
As described above, because the first pre- fixing turn is in zero load, in the case that driving rotating disk rotates the very first time, motor
The number of turns that rotating shaft is rotated due to inertia, so if first number of turns is equal to the first pre- fixing turn, then illustrate do not have on rotating disk
Object, micro-wave oven is unloaded；If first number of turns, which is more than on the first pre- fixing turn, specification rotating disk, object, micro-wave oven is not unloaded.
Fig. 3 is the flow chart for the unloaded detection method of micro-wave oven that another embodiment of the present invention is provided.As shown in figure 3, the party
Method includes：The rotating disk for driving the micro-wave oven by the machine shaft of the micro-wave oven rotates the very first time (step S31)；Institute
State after the very first time, stop the driving rotating disk, and detect the machine shaft of the micro-wave oven in the second time due to described
Second number of turns that the inertia of rotating disk is rotated, wherein second time is less than first inertia time (step S32)；Described
After second time, at the end of the rotation not that the machine shaft of the micro-wave oven is carried out due to the inertia of the rotating disk, pass through institute
Stating machine shaft drives the rotating disk of the micro-wave oven to rotate backward for the 3rd time, wherein when the 3rd time is less than described first
Between (step S33)；After the 3rd time, stop the driving rotating disk, and the micro-wave oven in the second inertia time
The 3rd number of turns (step S34) that machine shaft is rotated due to the inertia of the rotating disk；According to second number of turns, described second pre-
Fixing turn, the 3rd number of turns and the 3rd pre- fixing turn judge whether the micro-wave oven is unloaded (step S35).
In order to accurately detect and reduce detection time, when rotating disk is just rotated due to inertia, driving rotating disk carries out one
It is secondary to rotate backward, it can detect whether micro-wave oven is unloaded rapidly, wherein driving rotating disk progress counter-rotational opportunity is in rotating disk
(rotating disk is rotated to be stopped after the first inertia time, and the second time was less than the first inertial time when rotate for the second time due to inertia
Between, i.e., when rotating disk does not stop also because inertia is rotated), driving rotating disk is still there is positive power in influence when rotating backward.
In the embodiment of the present invention, the very first time that driving rotating disk counter-rotational 3rd time should rotate much smaller than initial driving rotating disk.
Second inertia time is after driving rotating disk is rotated backward, because inertia rotating disk rotates backward the time until stopping.
Second number of turns that machine shaft is rotated within the second time is equal to the second pre- fixing turn and in the second inertia time
When interior 3rd number of turns is equal to three pre- fixing turns, judge that the micro-wave oven is unloaded；Second number of turns be more than the second pre- fixing turn or
When 3rd number of turns is less than three pre- fixing turns, judge that the micro-wave oven is not unloaded, wherein the second pre- fixing turn and the 3rd predetermined circle
Number is to carry out test according to the method for the present embodiment when micro-wave oven is unloaded to draw, has been set when dispatching from the factory, specifically, the
Two pre- fixing turns are that, in zero load, in the case that driving rotating disk rotates the very first time, machine shaft is due to used within the second time
Property and the number of turns rotated；3rd pre- fixing turn be in zero load, in the case that driving rotating disk rotated backward for the 3rd time, rotating disk by
The number of turns rotated in inertia.
Fig. 4 is the structural representation for the unloaded detection means of micro-wave oven that one embodiment of the invention is provided.As shown in figure 4, this
Inventive embodiments also provide a kind of micro-wave oven unloaded detection means, and the detection means includes：Control unit 401 and detection unit
402, wherein, described control unit 401 is used to drive the rotating disk of the micro-wave oven to rotate by the machine shaft of the micro-wave oven
The very first time, and the stopping driving rotating disk after the very first time；The detection unit 402 is used at described first
Between after, detection the first inertia time in the micro-wave oven machine shaft due to the rotating disk inertia rotate first lap
Number；Described control unit 401 is additionally operable to judge whether the micro-wave oven is unloaded according to first number of turns and the first pre- fixing turn.
Alternatively, described control unit 401 is additionally operable to：When first number of turns is equal to the first pre- fixing turn, sentence
The disconnected micro-wave oven is unloaded；When first number of turns is more than the first pre- fixing turn, judge that the micro-wave oven is not unloaded.
Alternatively, the detection unit 402 was additionally operable to after the very first time, the microwave in the second time of detection
Second number of turns that the machine shaft of stove is rotated due to the inertia of the rotating disk, wherein second time is less than first inertia
Time；Described control unit 401 was additionally operable to after second time, and the machine shaft of the micro-wave oven is due to the rotating disk
Inertia carry out rotation not at the end of, rotate backward the 3rd by the rotating disk of micro-wave oven described in the machine shaft drive control
Time, and after the 3rd time, stop the driving rotating disk, wherein the 3rd time is less than the very first time；
The detection unit 402 was additionally operable to after the 3rd time, and the motor of the micro-wave oven turns in the second inertia time of detection
The 3rd number of turns that axle is rotated due to the inertia of the rotating disk；Described control unit 401 is additionally operable to according to second number of turns, described
Second pre- fixing turn, the 3rd number of turns and the 3rd pre- fixing turn judge whether the micro-wave oven is unloaded.
Alternatively, described control unit 401 is additionally operable to：It is equal to the described second pre- fixing turn and institute in second number of turns
When stating the 3rd number of turns equal to the three pre- fixing turn, judge that the micro-wave oven is unloaded；It is described being more than in second number of turns
When second pre- fixing turn or the 3rd number of turns are less than the three pre- fixing turn, judge that the micro-wave oven is not unloaded.
Alternatively, the detection unit 402 is hall detection component.
In addition, the unloaded detection means of micro-wave oven of the present invention can also have the detection unit whether detection fire door closes,
There can be the alarm unit controlled when micro-wave oven is unloaded by control unit to be alarmed.
Fig. 5 is the microwave oven turntable that one embodiment of the invention is provided and the schematic diagram of drive shaft.As shown in figure 5, of the invention
Embodiment also provides a kind of micro-wave oven, and the micro-wave oven includes：The unloaded detection means of micro-wave oven described above；Rotating disk 501, it is described
The contact surface of rotating disk 501 and object is latticed；Drive shaft 502, the drive shaft 502 is hypocrateriform to hold the rotating disk
501 edge, so that the drive shaft 502 drives the rotating disk to rotate when rotating.
In order to increase the accuracy of detection, rotating disk 501 must reduce the frictional force of rotation.The existing supporting way of rotating disk 501
All it is that rotating disk rotational problems are solved by change and drive shaft, wherein change can be produced than larger frictional force as auxiliary member,
Judgement on result can produce influence.Therefore the embodiment of the present invention removes change, and drive shaft 502 is modified into hypocrateriform,
The contact surface of rotating disk 501 and object is modified to latticed (or whole rotating disk is latticed) simultaneously, to increase frictional force, makes to turn
Disk 501 prevents object from sliding in rotation process.
By above-mentioned technical proposal, the unloaded detection means of micro-wave oven, method and the micro-wave oven provided using the present invention is led to
The principle of inertia of dial movement generation is crossed, the number of turns and the circle of predetermined set rotated using micro-wave oven machine shaft caused by inertia
Number contrast, to judge whether microwave oven cavity is in Light Condition, micro-wave oven zero load detection means, method and micro-wave oven
Cost is cheap, long lifespan and assemble easy.
The optional embodiment of example of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is not limited
Detail in above-mentioned embodiment, can be to the embodiment of the present invention in the range of the technology design of the embodiment of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair
Various possible combinations no longer separately illustrate.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by
Program instructs the hardware of correlation to complete, and the program storage is in a storage medium, including some instructions are to cause one
Individual (can be single-chip microcomputer, chip etc.) or processor (processor) perform the whole of each embodiment methods described of the application
Or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
In addition, can also be combined between a variety of embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is run counter to, it should equally be considered as disclosure of that of the embodiment of the present invention.
Claims (10)
1. the unloaded detection method of a kind of micro-wave oven, it is characterised in that this method includes：
The rotating disk for driving the micro-wave oven by the machine shaft of the micro-wave oven rotates the very first time；
After the very first time, stop the driving rotating disk, and detect the motor of the micro-wave oven in the first inertia time
First number of turns that rotating shaft is rotated due to the inertia of the rotating disk；And
Judge whether the micro-wave oven is unloaded according to first number of turns and the first pre- fixing turn.
2. the unloaded detection method of micro-wave oven according to claim 1, it is characterised in that it is described according to first number of turns and
First pre- fixing turn judges whether zero load includes the micro-wave oven：
When first number of turns is equal to the first pre- fixing turn, judge that the micro-wave oven is unloaded；
When first number of turns is more than the first pre- fixing turn, judge that the micro-wave oven is not unloaded.
3. the unloaded detection method of micro-wave oven according to claim 1, it is characterised in that the electricity by the micro-wave oven
Machine rotating shaft was driven after the rotating disk rotation very first time of the micro-wave oven, and this method includes：
Stop the driving rotating disk, and detect the machine shaft of the micro-wave oven in the second time because the inertia of the rotating disk turns
The second dynamic number of turns, wherein second time is less than first inertia time；
After second time, the machine shaft of the micro-wave oven does not terminate due to the rotation that the inertia of the rotating disk is carried out
When, the rotating disk for driving the micro-wave oven by the machine shaft rotated backward for the 3rd time, wherein the 3rd time is less than
The very first time；
After the 3rd time, stop the driving rotating disk, and detect the motor of the micro-wave oven in the second inertia time
The 3rd number of turns that rotating shaft is rotated due to the inertia of the rotating disk；And
Institute is judged according to second number of turns, the second pre- fixing turn, the 3rd number of turns and the 3rd pre- fixing turn
Whether unloaded state micro-wave oven.
4. the unloaded detection method of micro-wave oven according to claim 3, it is characterised in that it is described according to second number of turns,
The second pre- fixing turn, the 3rd number of turns and the 3rd pre- fixing turn judge whether zero load includes the micro-wave oven：
When second number of turns is equal to the described second pre- fixing turn and the 3rd number of turns is equal to the three pre- fixing turn,
Judge that the micro-wave oven is unloaded；And
When second number of turns is more than the described second pre- fixing turn or the 3rd number of turns is less than the three pre- fixing turn, sentence
The micro-wave oven that breaks is not unloaded.
5. the unloaded detection means of a kind of micro-wave oven, it is characterised in that the detection means includes：
Control unit and detection unit, wherein,
Described control unit is used to drive the rotating disk of the micro-wave oven to rotate the very first time by the machine shaft of the micro-wave oven,
And stop the driving rotating disk after the very first time；
The detection unit was used for after the very first time, the machine shaft of the micro-wave oven in the first inertia time of detection
First number of turns rotated due to the inertia of the rotating disk；And
Described control unit is additionally operable to judge whether the micro-wave oven is unloaded according to first number of turns and the first pre- fixing turn.
6. the unloaded detection means of micro-wave oven according to claim 5, it is characterised in that described control unit is additionally operable to：
When first number of turns is equal to the first pre- fixing turn, judge that the micro-wave oven is unloaded；
When first number of turns is more than the first pre- fixing turn, judge that the micro-wave oven is not unloaded.
7. the unloaded detection means of micro-wave oven according to claim 5, it is characterised in that
The detection unit was additionally operable to after the very first time, detection the second time in the micro-wave oven machine shaft by
Second number of turns rotated in the inertia of the rotating disk, wherein second time is less than first inertia time；
Described control unit was additionally operable to after second time, machine shaft being used to due to the rotating disk of the micro-wave oven
Property the rotation not that carries out at the end of, the rotating disk for driving the micro-wave oven by the machine shaft rotated backward for the 3rd time, and
After the 3rd time, stop the driving rotating disk, wherein the 3rd time is less than the very first time；
The detection unit was additionally operable to after the 3rd time, and the motor of the micro-wave oven turns in the second inertia time of detection
The 3rd number of turns that axle is rotated due to the inertia of the rotating disk；And
Described control unit is additionally operable to according to second number of turns, the second pre- fixing turn, the 3rd number of turns and described
3rd pre- fixing turn judges whether the micro-wave oven is unloaded.
8. the unloaded detection means of micro-wave oven according to claim 7, it is characterised in that described control unit is additionally operable to：
When second number of turns is equal to the described second pre- fixing turn and the 3rd number of turns is equal to the three pre- fixing turn,
Judge that the micro-wave oven is unloaded；And
When being more than the described second pre- fixing turn or the 3rd number of turns less than the three pre- fixing turn in second number of turns,
Judge that the micro-wave oven is not unloaded.
9. the unloaded detection means of micro-wave oven according to claim 5, it is characterised in that the detection unit is Hall detection
Element.
10. a kind of micro-wave oven, it is characterised in that the micro-wave oven includes：
The unloaded detection means of micro-wave oven in claim 5-9 described in any one claim；
Rotating disk, the contact surface of the rotating disk and object is latticed；And
Drive shaft, the drive shaft be hypocrateriform to hold the edge of the rotating disk, so as to drive institute during the drive shaft turns
State rotating disk rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601509.5A CN107327878B (en) | 2017-07-21 | 2017-07-21 | Microwave oven no-load detection device and method and microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601509.5A CN107327878B (en) | 2017-07-21 | 2017-07-21 | Microwave oven no-load detection device and method and microwave oven |
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| CN107327878B CN107327878B (en) | 2020-03-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098164A1 (en) * | 2018-11-16 | 2020-05-22 | 广东美的厨房电器制造有限公司 | Control method for household appliance, and household appliance |
| CN111830879A (en) * | 2020-07-28 | 2020-10-27 | 广东美的厨房电器制造有限公司 | Control method, microwave cooking appliance and computer readable storage medium |
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| CN111830879A (en) * | 2020-07-28 | 2020-10-27 | 广东美的厨房电器制造有限公司 | Control method, microwave cooking appliance and computer readable storage medium |
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| CN107327878B (en) | 2020-03-31 |
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