CN208909794U - Boil electric appliance and its anti-spilled detection device - Google Patents
Boil electric appliance and its anti-spilled detection device Download PDFInfo
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- CN208909794U CN208909794U CN201820375461.0U CN201820375461U CN208909794U CN 208909794 U CN208909794 U CN 208909794U CN 201820375461 U CN201820375461 U CN 201820375461U CN 208909794 U CN208909794 U CN 208909794U
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Abstract
It boils electric appliance and its anti-spilled detection device the utility model discloses one kind, the electric appliance that boils includes ontology, the open cooking cavity in top is limited out in ontology, the anti-spilled detection device includes: piezoelectric quartz crystal sensor, piezoelectric quartz crystal sensor corresponds to the bottom setting of cooking cavity, and piezoelectric quartz crystal sensor is by the intracavitary weight change of induction cook to export corresponding vibration frequency；Controller, controller are connected with piezoelectric quartz crystal sensor, and whether the degree of fluctuation of the vibration frequency that controller is detected according to the piezoelectric quartz crystal sensor judgement electric appliance that boils overflows.Thereby, it is possible to realize the identification to the electric appliance spilling that boils using the degree of fluctuation of vibration frequency, and the bottom of cooking cavity is arranged in piezoelectric quartz crystal sensor, can be avoided and directly contacts with food, is conducive to food hygiene, and do not affect the appearance, convenient for cleaning.
Description
Technical field
The utility model relates to field of home appliance technology, in particular to a kind of anti-spilled detection device for the electric appliance that boils and
A kind of electric appliance that boils with the anti-spilled detection device.
Background technique
With the improvement of living standards, the electric appliance such as health-promotion kettle that boils using more and more extensive.In daily life, health
Pot can be used for cooking congee, is to boil water, cooking noodles, boils tea, decocts medicinal herbs.But many food materials can generate a large amount of foam during heating,
This makes user need to carry out " nurse " to health-promotion kettle during heating, causes the time to dominate efficiency very low.In addition, a large amount of
There is the potential danger for causing short circuit and fire in foam overflow.
In the related technology, achieve the purpose that prevent foam overflow by using the mode of anti-flow electrode or probe.But
These anti-flow electrodes or probe need contacting foodstuff, are unfavorable for food hygiene, also, these anti-flow electrodes or probe are commonly installed
It in positions such as health-promotion kettle bottom, pot lid and handles, while needing to reach inside health-promotion kettle bottle body, not only influences beauty, and
And it is not easy to clean.
Utility model content
The utility model is intended to one of the technical issues of at least solving in the related technology to a certain extent.For this purpose, this reality
It is to propose a kind of anti-spilled detection device of electric appliance that boils with first novel purpose, piezoelectric quartz crystal sensor is real-time
The intracavitary weight change of induction cook to export corresponding vibration frequency, realize according to the degree of fluctuation of vibration frequency by controller
Identification to the electric appliance spilling that boils, and the bottom of cooking cavity is arranged in piezoelectric quartz crystal sensor, can be avoided and food
It directly contacts, is conducive to food hygiene, and do not affect the appearance, convenient for cleaning.
Second purpose of the utility model is to propose that one kind boils electric appliance.
To achieve the above object, on the one hand the utility model proposes the anti-spilled detection device of a kind of electric appliance that boils, institute
Stating the electric appliance that boils includes ontology, and the open cooking cavity in top is limited out in the ontology, and the anti-spilled detection device includes: pressure
Electric quartz crystal sensor, the piezoelectric quartz crystal sensor correspond to the bottom setting of the cooking cavity, the piezoelectric quartz
Crystal probe is by incuding the weight change in the cooking cavity to export corresponding vibration frequency；Controller, the control
Device is connected with the piezoelectric quartz crystal sensor, the vibration that the controller is detected according to the piezoelectric quartz crystal sensor
Whether the electric appliance that boils described in the degree of fluctuation judgement of dynamic frequency overflows.
According to the utility model proposes the electric appliance that boils anti-spilled detection device, by the bottom that cooking cavity is arranged in
Piezoelectric quartz crystal sensor carrys out the intracavitary weight change of real-time induction cook to export corresponding vibration frequency, controller according to
Whether the degree of fluctuation judgement electric appliance that boils for the vibration frequency that piezoelectric quartz crystal sensor detects overflows, and piezoelectricity
The bottom of cooking cavity is arranged in quartz crystal sensor, can be avoided and directly contacts with food, is conducive to food hygiene, and do not influence
Beauty, convenient for cleaning.
In addition, can also be had according to the anti-spilled detection device of the utility model electric appliance that boils set forth above following attached
The technical characteristic added:
Specifically, the piezoelectric quartz crystal sensor includes: quartz crystal, and the quartz crystal is close to the cooking cavity
Bottom setting；Excitation chain, the excitation chain is to excite the quartz crystal to be vibrated；Pick-up circuit, it is described to pick up
Vibration frequency of the vibration circuit to quartz crystal described in real-time detection.
Specifically, the controller detects that the amplitude of variation of vibration frequency is big by the piezoelectric quartz crystal sensor
The electric appliance that boils when preset threshold, described in judgement overflows.
Specifically, the electric appliance that boils includes health-promotion kettle, wall-breaking machine and soy bean milk making machine.
Specifically, when the electric appliance that boils is the health-promotion kettle, the piezoelectric quartz crystal sensor is arranged described
In the bottle body pedestal of health-promotion kettle.
Specifically, the health-promotion kettle further includes stew cup bracket, bottle body of the stew cup bracket to support the health-promotion kettle.
To achieve the above object, on the other hand the utility model proposes one kind and boils electric appliance comprising above-mentioned boils
The anti-spilled detection device of electric appliance.
The utility model proposes the electric appliance that boils vibration frequency can be utilized by above-mentioned anti-spilled detection device
Degree of fluctuation realizes that and the bottom of cooking cavity is arranged in piezoelectric quartz crystal sensor to the identification for the electric appliance spilling that boils,
It can be avoided and directly contacted with food, be conducive to food hygiene, and do not affect the appearance, convenient for cleaning.
Detailed description of the invention
Fig. 1 is the block diagram according to the anti-spilled detection device of the electric appliance that boils of the utility model embodiment；And
Fig. 2 is the schematic diagram according to the anti-spilled detection device of the electric appliance that boils of the utility model one embodiment.
Specific embodiment
The utility model is described below in detail, the example is shown in the accompanying drawings, wherein identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Below with reference to attached drawing description
It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.
With reference to the accompanying drawings come describe according to the utility model embodiment propose the electric appliance that boils anti-spilled detection device
With the electric appliance that boils with the anti-spilled detection device.
Fig. 1 is the block diagram according to the anti-spilled detection device of the electric appliance that boils of the utility model embodiment.At this
In the embodiment of utility model, the electric appliance that boils may include ontology, and the open cooking cavity in top is limited out in ontology.As shown in Figure 1,
The anti-spilled detection device of the electric appliance that boils can include: piezoelectric quartz crystal sensor 10 and controller 20.
Wherein, the bottom setting of the corresponding cooking cavity of piezoelectric quartz crystal sensor 10, piezoelectric quartz crystal sensor 10 are logical
The intracavitary weight change of induction cook is crossed to export corresponding vibration frequency.Controller 20 and 10 phase of piezoelectric quartz crystal sensor
Even, the judgement of the degree of fluctuation of the vibration frequency that controller 20 is detected according to piezoelectric quartz crystal sensor 10 boil electric appliance whether
It overflows.
One embodiment according to the present utility model, controller 20 detect vibration by piezoelectric quartz crystal sensor 10
When the amplitude of variation of frequency is greater than preset threshold, the judgement electric appliance that boils overflows.Wherein, preset threshold can be according to the actual situation
It is demarcated, and is stored in advance in controller 20.
Specifically, piezoelectric quartz crystal sensor 10 is a kind of sensor of piezoelectric effect based on quartz crystal, wherein
Piezoelectric effect refer to certain dielectrics (such as quartz crystal) the external force by a direction and deformation occurs (including bending
And telescopic deformation) when, it, can be the phenomenon that its surface generates charge, wherein when the vibration of deformation due to the polarization phenomena of internal charge
When width is smaller, the vibration frequency of quartz crystal is more stable；When the amplitude of deformation is larger, the vibration frequency of quartz crystal is sharply
Increase.Piezoelectric effect, the piezoelectric quartz crystal sensor 10 of the bottom of the cooking cavity by the way that the electric appliance that boils is arranged in are utilized as a result,
Incude weight change to export corresponding vibration frequency, controller 20 judges the electricity that boils according to the degree of fluctuation of vibration frequency
Whether device overflows.
Specifically, food to be cooked to be first added to the cooking cavity for the electric appliance that boils when electric appliance is boiled in user's needs use
It is interior, corresponding function is then selected by the human-computer interaction interface on electric appliance that boils, so that the electric appliance that boils carries out culinary art work.?
In entire cooking process, whether changed by the intracavitary weight of the real-time induction cook of piezoelectric quartz crystal sensor 10, and
Export corresponding vibration frequency.
At the initial stage of cooking process, after food to be cooked is added, since the temperature of food is lower, so food and the electricity that boils
Device is in opposing stationary state, and the weight in cooking cavity does not change substantially, and piezoelectric quartz crystal sensor 10 exports surely
Fixed vibration frequency f0.And in the later period of cooking process, the temperature of food gradually approaches boiling temperature (e.g., 100 DEG C), works as generation
When boiling, food and the electric appliance that boils can generate high vibration, the vibration can cause the food weight in cooking cavity drift about (it is assumed that
There is vibration acceleration a in the food in cooking cavity, then acceleration g '=a+g when vibration, it is known that vibration in the vertical direction
When cooking cavity in weight G '=m*g ', different from the weight G=m*g in cooking cavity under stationary state, wherein m is cooking cavity
The quality of interior food, g are acceleration of gravity), become since the weight change in cooking cavity can further cause vibration frequency
Change, piezoelectric quartz crystal sensor 10 exports corresponding vibration frequency f according to the weight change in the cooking cavity sensed.
Controller 20 is getting corresponding vibration frequency f0After f, amplitude of variation △ f=between the two is calculated | f-f0
|, and △ f is judged, wherein if △ f is less than or equal to preset threshold, illustrate that the degree of fluctuation of vibration frequency is smaller,
The judgement electric appliance that boils does not overflow at this time；If △ f is greater than preset threshold, illustrate that the degree of fluctuation of vibration frequency is larger,
The judgement electric appliance that boils overflows at this time, so as to realize the contactless electricity that boils using the degree of fluctuation of vibration frequency
The anti-overflow identification of device, such user improve the domination effect of time without carrying out " nurse " to the electric appliance that boils during the cooking process
Rate, and the bottom of cooking cavity is arranged in piezoelectric quartz crystal sensor, this avoid directly contacting with food, is conducive to food
Health, and do not affect the appearance, convenient for cleaning.
In addition, the anti-spilled detection device of the above-mentioned electric appliance that boils can also wrap in one embodiment of the utility model
Alarm module (not specifically illustrated in figure) is included, alarm module is connected with controller 20, and alarm module in controller 20 to judge
It is boiled when electric appliance overflows out and issues warning note.
Specifically, when controller 20 judges to boil electric appliance sending spilling, controller 20 issues spill over to alarm
Module (such as voice module), alarm module issues warning note according to spill over, to remind user, while controller
20 send control signal to heating coil, reduce (e.g., reducing a grade) to control the heating power for the electric appliance that boils, or control
It makes the electric appliance that boils and stops heating, so as to realize active spilling early warning, and make respective handling in time to avoid because big
It measures foam overflow and causes short-circuit and fire potential danger, improve safety and user experience.
In some embodiments of the utility model, the electric appliance that boils may include health-promotion kettle, wall-breaking machine and soy bean milk making machine.
As a specific example, as shown in Fig. 2, when the electric appliance that boils is health-promotion kettle, piezoelectric quartz crystal sensor 10
It may be provided in the pedestal 02 of the bottle body 01 of health-promotion kettle, such piezoelectric quartz crystal sensor is not direct to be connect with food to be cooked
Touching, is conducive to food hygiene, and do not affect the appearance, convenient for cleaning.In addition, health-promotion kettle may also include stew cup bracket 03, stew cup branch
Bottle body 01 of the frame 03 to support health-promotion kettle.
One embodiment according to the present utility model, as shown in Fig. 2, piezoelectric quartz crystal sensor 10 can include: quartz
Crystal 11, excitation chain 12 and pick-up circuit 13.Wherein, quartz crystal 11 is close to the bottom setting of cooking cavity, excitation chain 12
To excite quartz crystal 11 to be vibrated, vibration frequency of the pick-up circuit 13 to real-time detection quartz crystal 11.
Specifically, when the electric appliance that boils (such as health-promotion kettle) works on power, excitation chain 12 generates pumping signal to excite stone
English crystal 11 vibrates, and incudes the weight change in entire cooking process in cooking cavity by quartz crystal 11.It is cooking
The initial stage of process, food and the electric appliance that boils are in opposing stationary state, being basically unchanged of weight under the state in cooking cavity,
The change in shape very little of quartz crystal 11, the vibration frequency of quartz crystal 11 is more stable, and pick-up circuit 13 detects surely at this time
Fixed vibration frequency.In the later period of cooking process, high vibration occurs since the temperature of food is higher, which can cause to cook
Intracavitary weight of preparing food changes, and the weight change in cooking cavity can further cause the lattice (crystal structure) of quartz crystal 11
It changes, that is, causes the shape of quartz crystal 11 that acute variation occurs, the piezoelectric effect of quartz crystal 11 also becomes therewith
Change, under the action of excitation chain 12 issues same pumping signal, the vibration frequency of quartz crystal 11 changes, and picks up at this time
Vibration circuit 13 detects corresponding vibration frequency.
Then, controller 20 calculates the amplitude of variation of the vibration frequency of quartz crystal 11, and in the variation width of vibration frequency
When degree is greater than preset threshold, the judgement electric appliance that boils overflows, thus the degree of fluctuation energy of the vibration frequency using quartz crystal
The enough identification realized to the electric appliance spilling that boils.
In conclusion according to the utility model proposes the electric appliance that boils anti-spilled detection device, by setting cooking
The piezoelectric quartz crystal sensor of the bottom of chamber carrys out the intracavitary weight change of real-time induction cook to export corresponding vibration frequency,
Whether the degree of fluctuation judgement electric appliance that boils for the vibration frequency that controller is detected according to piezoelectric quartz crystal sensor overflows
Out, and the bottom of cooking cavity is arranged in piezoelectric quartz crystal sensor, can be avoided and directly contacts with food, defends conducive to food
It is raw, and do not affect the appearance, convenient for cleaning.
Boil electric appliance in addition, the embodiments of the present invention also proposed one kind comprising the above-mentioned electric appliance that boils it is anti-
Overflow checking device.
The utility model proposes the electric appliance that boils vibration frequency can be utilized by above-mentioned anti-spilled detection device
Degree of fluctuation realizes that and the bottom of cooking cavity is arranged in piezoelectric quartz crystal sensor to the identification for the electric appliance spilling that boils,
It can be avoided and directly contacted with food, be conducive to food hygiene, and do not affect the appearance, convenient for cleaning.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term "one", "some", " example ", " specific example " or " some to show
The description of example " etc. means that this or example particular features, structures, materials, or characteristics described is combined to be contained in the utility model
In at least one or example.In the present specification, schematic expression of the above terms are necessarily directed to identical or show
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more or example with suitable side
Formula combines.In addition, without conflicting with each other, those skilled in the art can by described in this specification different or
Example and difference or exemplary feature are combined.
Although the utility model has been shown and described above, it is to be understood that it is above-mentioned to be exemplary, it cannot
Be construed as a limitation of the present invention, those skilled in the art in the scope of the utility model can to it is above-mentioned into
Row change, modification, replacement and modification.
Claims (7)
1. a kind of anti-spilled detection device for the electric appliance that boils, which is characterized in that the electric appliance that boils includes ontology, in the ontology
The open cooking cavity in top is limited out, the anti-spilled detection device includes:
Piezoelectric quartz crystal sensor, the piezoelectric quartz crystal sensor correspond to the bottom setting of the cooking cavity, the pressure
Electric quartz crystal sensor is by incuding the weight change in the cooking cavity to export corresponding vibration frequency；
Controller, the controller are connected with the piezoelectric quartz crystal sensor, and the controller is according to the piezoelectric quartz
Whether the electric appliance that boils described in the degree of fluctuation judgement for the vibration frequency that crystal probe detects overflows.
2. the anti-spilled detection device for the electric appliance that boils as described in claim 1, which is characterized in that the piezoelectric quartz crystal passes
Sensor includes:
Quartz crystal, the quartz crystal are close to the bottom setting of the cooking cavity；
Excitation chain, the excitation chain is to excite the quartz crystal to be vibrated；
Pick-up circuit, vibration frequency of the pick-up circuit to quartz crystal described in real-time detection.
3. the anti-spilled detection device for the electric appliance that boils as claimed in claim 1 or 2, which is characterized in that the controller passes through
When the piezoelectric quartz crystal sensor detects that the amplitude of variation of vibration frequency is greater than preset threshold, boil electric appliance described in judgement
It overflows.
4. the anti-spilled detection device for the electric appliance that boils as described in claim 1, which is characterized in that the electric appliance that boils includes supporting
Raw pot, wall-breaking machine and soy bean milk making machine.
5. the anti-spilled detection device for the electric appliance that boils as claimed in claim 4, which is characterized in that when the electric appliance that boils is institute
When stating health-promotion kettle, the piezoelectric quartz crystal sensor is arranged in the bottle body pedestal of the health-promotion kettle.
6. the anti-spilled detection device for the electric appliance that boils as claimed in claim 5, which is characterized in that the health-promotion kettle further includes stewing
Cup bracket, bottle body of the stew cup bracket to support the health-promotion kettle.
The electric appliance 7. one kind boils, which is characterized in that including the anti-spilled of the electric appliance such as of any of claims 1-6 that boils
Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375461.0U CN208909794U (en) | 2018-03-19 | 2018-03-19 | Boil electric appliance and its anti-spilled detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375461.0U CN208909794U (en) | 2018-03-19 | 2018-03-19 | Boil electric appliance and its anti-spilled detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208909794U true CN208909794U (en) | 2019-05-31 |
Family
ID=66691750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820375461.0U Active CN208909794U (en) | 2018-03-19 | 2018-03-19 | Boil electric appliance and its anti-spilled detection device |
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| Country | Link |
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| CN (1) | CN208909794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169723A (en) * | 2019-06-27 | 2019-08-27 | 九阳股份有限公司 | A kind of food processor |
| CN111728466A (en) * | 2020-06-11 | 2020-10-02 | 广东美的厨房电器制造有限公司 | Control method of cooking appliance, cooking appliance and computer readable storage medium |
-
2018
- 2018-03-19 CN CN201820375461.0U patent/CN208909794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169723A (en) * | 2019-06-27 | 2019-08-27 | 九阳股份有限公司 | A kind of food processor |
| CN111728466A (en) * | 2020-06-11 | 2020-10-02 | 广东美的厨房电器制造有限公司 | Control method of cooking appliance, cooking appliance and computer readable storage medium |
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