CN206330163U - A kind of Anti-overflow device and electromagnetic oven - Google Patents
A kind of Anti-overflow device and electromagnetic oven Download PDFInfo
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- CN206330163U CN206330163U CN201621331197.8U CN201621331197U CN206330163U CN 206330163 U CN206330163 U CN 206330163U CN 201621331197 U CN201621331197 U CN 201621331197U CN 206330163 U CN206330163 U CN 206330163U
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- overflow device
- face glass
- boiler face
- control unit
- overflow
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Abstract
The utility model is applied to field of kitchen electric appliance there is provided a kind of Anti-overflow device, and the Anti-overflow device is on electromagnetic oven, and the electromagnetic oven is at least including boiler face glass, the heating unit below boiler face glass, and for coordinating the control unit of each component working；Anti-overflow device includes：The condenser type detection unit of discharge whether is produced on boiler face glass for detecting；The discharge above boiler face glass, when causing the capacitance of condenser type detection unit to change, control unit adjusts the heating power of the heating unit to prevent lasting overflow, because condenser type detection unit is arranged at below the glass of road surface, i.e. inside electromagnetic oven, by use environment, the influence of the factors such as pan is smaller, it is not easy to wear, damage, and there is waterproofing protection and with low cost, also it slow down the phenomenon of the detection failure caused by anodizing, it can be connected simultaneously with device for controlling electromagnetic field oven by wired mode, it is easy for installation, connection is reliable, it reduce further cost.
Description
Technical field
The utility model belongs to field of kitchen electric appliance, more particularly to a kind of Anti-overflow device and electromagnetic oven.
Background technology
In order that electromagnetic oven can realize the function of unattended automatic cooking, or used to strengthen electromagnetic oven
Security performance in journey, in the market occurs in that pan that can be by temperature sensor or liquid short-circuit sensor to heating
In the electromagnetic oven that is monitored of liquid, when the temperature of liquid in pan reaches threshold values, sensor can reduce the defeated of electromagnetic oven
Go out power, or overflowed and when touching sensor when liquid short-circuit sensor has detected liquid, sensor is reduced electromagnetism
The power output of stove.
Common liquid overflow checking scheme is mainly temperature in use sensor and the fluid temperature in pan is detected,
It would generally be realized by the way of external temperature sensor.External temperature sensor is achieved in that TEMP
Device is placed on heated pan, be divided into be integrated in pot cover using air heat transfer, be integrated on outer wall of wall using pot gold
Belong to the several ways such as heat transfer, probe are stretched into pot and liquid direct contact heat conducts to detect the temperature of liquid.When temperature is passed
When the temperature that sensor detects liquid in pot reaches the threshold values of setting, the process circuit of sensor is notified that the controller of electromagnetic oven
Turn down the power output of electromagnetic oven prevents the function of liquid continuous spilling to reach.But, the installation of external temperature sensor
Mode complexity is, it is necessary to using the pan specified, because the material of pan, shape, size, pot wall thickness etc. can detect essence to it
Degree is affected greatly；And sensor and control panel of electromagnetism stove can not direct communications, it is necessary to just realize control by radio communication,
Cost is higher.
Another liquid overflow checking scheme is to detect that liquid is short to the liquid of spilling using liquid short-circuit sensor
Road sensor by two it is powered, be closely located to, exposed metal electrode constitute because most of liquid is all conductor,
Two electrodes are caused short circuit curve occur when the liquid of spilling touches two metal electrodes, liquid short circuit sensing is so as to sense
After being overflowed to liquid, notify that the controller of electromagnetic oven turns down the power output of electromagnetic oven and prevents liquid continuous spilling to realize
Function.However, needing to detect whether liquid overflows by bare electrode for liquid short-circuit sensor, electrode is exposed for a long time
Easily oxidation is likely to result in the phenomenon of detection failure.
In summary, existing Anti-overflow device is easily damaged, and its accuracy of detection is influenceed larger by environment, pan etc.,
And the long-term exposed easy oxidation of electrode, can cause to detect the phenomenon of failure, be needed wirelessly with device for controlling electromagnetic field oven
Communication, cost is higher.
Utility model content
The utility model provides a kind of Anti-overflow device, it is intended to solves existing Anti-overflow device and installs inconvenience, easily damages
Bad, its accuracy of detection is influenceed larger by environment, pan etc., and the long-term exposed easy oxidation of electrode, can cause to detect failure
Phenomenon, need to wirelessly be communicated with device for controlling electromagnetic field oven, the problem of cost is higher.
The utility model is achieved in that a kind of Anti-overflow device, on electromagnetic oven, and the electromagnetic oven at least includes
Boiler face glass, the heating unit below the boiler face glass, and for coordinating the control unit of each component working；It is described anti-
Overflow mechanism includes：
The condenser type detection unit of discharge whether is produced on the boiler face glass for detecting；
The discharge above the boiler face glass, it is described when causing the capacitance of the condenser type detection unit to change
Control unit adjusts the heating power of the heating unit to prevent lasting overflow.
It is preferred that, the condenser type detection unit includes：
It is arranged in the capacitance electrode below the boiler face glass；And
It is connected with the capacitance electrode, can will detects capacitance touch induction module of the signal output to described control unit.
It is preferred that, arranged between the capacitance electrode and the boiler face glass with default spacing.
It is preferred that, the capacitance electrode is distributed in the heating unit periphery.
It is preferred that, the capacitance electrode is on the circuit board below the boiler face glass.
It is preferred that, the capacitance electrode is outwards extended in heating unit periphery in the way of radiating.
It is preferred that, the capacitance electrode is that can be surrounded on a ring shape conductive material of the heating unit periphery.
It is preferred that, multiple capacitance electrodes are arranged on a circuit board, form an integrated capacitance electrode group, described
Capacitance touch induction module is integrated in described control unit, and the capacitance electrode group is connected with described control unit.
The Anti-overflow device is connected with the controller by wired mode.
The utility model also provides a kind of anti-overflow electromagnetic oven, comprising：
Boiler face glass；
Heating unit below the boiler face glass；And
Control unit for coordinating each component working；
Also include the Anti-overflow device described in above-mentioned any one.
The Anti-overflow device that the utility model is provided is provided with condenser type detection unit, the overflow above boiler face glass, causes
When the capacitance of condenser type detection unit changes, it can adjust the heating power of heating unit to prevent from holding by control unit
Continuous discharge；Because the present apparatus is arranged inside electromagnetic oven, influenceed smaller by factors such as use environment, pans, not easy to wear, damage
It is bad, and there is waterproofing protection and with low cost, the phenomenon of the detection failure caused by anodizing is also slow down, simultaneously
It can be connected with device for controlling electromagnetic field oven by wired mode, easy for installation, connection is reliable, reduce further cost.
Brief description of the drawings
Fig. 1 is a kind of module map for electromagnetic oven provided with Anti-overflow device that the utility model is provided；
Fig. 2 is the module map for the condenser type detection unit that the utility model is provided；
Fig. 3 is a kind of use state schematic diagram for anti-overflow electromagnetic oven that the utility model is provided；
Fig. 4 is a kind of layout viewing for the capacitance electrode that the utility model is provided；
Fig. 5 is another layout viewing for the capacitance electrode that the utility model is provided；
Fig. 6 is a kind of module map of the combining form for the condenser type detection unit that the utility model is provided.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
The Anti-overflow device that the utility model is provided is provided with condenser type detection unit, the overflow above boiler face glass, causes
When the capacitance of condenser type detection unit changes, it can adjust the heating power of heating unit to prevent from holding by control unit
Continuous discharge；Because condenser type detection unit is arranged at below road surface glass, i.e., inside electromagnetic oven, by use environment, pan etc. because
The influence of element is smaller, not easy to wear, damage, and has the advantages that waterproofing protection and with low cost, also slow down because of anodizing
The phenomenon of the detection failure caused, while can be connected with device for controlling electromagnetic field oven by wired mode, easy for installation, connection can
Lean on, reduce further cost.
As shown in figure 1, in one embodiment of the present utility model, a kind of Anti-overflow device 1, on electromagnetic oven 100,
The electromagnetic oven 100 at least includes boiler face glass 2, the heating unit 3 located at the lower section of boiler face glass 2, and each for coordinating
The control unit 4 of component working；The Anti-overflow device 1 includes：
The condenser type detection unit 11 of discharge whether is produced on the boiler face glass 2 for detecting；
When the top discharge of boiler face glass 2, when causing the capacitance of the condenser type detection unit 11 to change, institute
Control unit 4 is stated to adjust the heating power of the heating unit 3 to prevent lasting overflow.
Here control unit 4 can be an independent controller, such as MCU, microcontroller, with a number of
I/O mouthfuls, to connected with Anti-overflow device 1, and the drive module corresponding to heating unit 3；Control unit 4 can also be directly
Utilize device for controlling electromagnetic field oven, i.e., the controller inside control unit 4 i.e. electromagnetic oven here.
The present apparatus is influenceed not by use environment, using factors such as pans, easy for installation, and based on capacitance touch skill
The detection unit of art, with not being afraid of abrasion, do not influenceed by humiture, and has the advantages that waterproofing protection and with low cost.
As shown in Fig. 2 in one embodiment of the present utility model, condenser type detection unit 11 includes：It is arranged in boiler face
The capacitance electrode 111 of the lower section of glass 2；And be connected with the capacitance electrode 111, can be by detection signal output to control unit 4
Capacitance touch induction module 112.
What the condenser type detection unit 11 in the utility model implementation was utilized is capacitance touch principle of induction, to capacitance electrode
111 capacitance variations are detected,, can be to electricity because liquid is conducting medium when there is liquid to spill on boiler face glass
The distributed capacitance held on electrode 111 produces influence, so that it is determined that whether electromagnetic oven surface has the liquid of spilling.
In the utility model embodiment, arranged between capacitance electrode 111 and boiler face glass 2 with default spacing；Because electric capacity
Touch sensible technology does not require that capacitance electrode 111 is directly touched with conducting medium, can there is a certain distance between the two, so
Sensor assembly can be built in inside electromagnetic oven, that is, is arranged on below the glass of road surface, simplified and installed with producing, reduce cost,
And there is waterproofing protection, it also slow down the phenomenon of the detection failure caused by the exposed oxidation of electrode.
It can be connected, without setting wireless communication module, not only installed by wired mode with device for controlling electromagnetic field oven simultaneously
Convenient, connection is reliable, and reduce further cost.
As Figure 1-3, in one embodiment of the present utility model, the boiler face glass following table in electromagnetic oven heating region
Several condenser type detection units 11 are installed on face, as long as common electromagnetic oven 3-8, set with specific reference to actual demand；Electric capacity
Formula detection unit 11 is connected with control unit 4, and such as control unit 4 can be device for controlling electromagnetic field oven；From control unit 4 to electric capacity
Formula detection unit 11 provides power supply and communication interface, and condenser type detection unit 11 senses mould by capacitance electrode 111 and capacitance touch
The circuit composition of block 112, capacitance electrode 111 can be one piece of copper sheet region independent on circuit board, capacitance touch induction module
112 charge to capacitance electrode 111, make to produce certain electric charge on capacitance electrode 111, and when pan 5 there occurs overflow, liquid 6 drips
Fall on boiler face glass 2, and during close to capacitance electrode 111, the electric charge on capacitance electrode 111 can change, capacitance touch sense
Answering module 112 to detect sent after the change of electric charge detection signal to control unit 4, and control unit 4 receives detection signal
The power output of electromagnetic oven can be reduced afterwards, and the liquid of heating, which will cool, no longer to be overflowed.
Electric capacity touch induction technology is to produce signal by the capacitance variations of capacitance electrode, thus with detection unit 11
The temperature of residing environment, humidity are not related, so regardless of electromagnetic oven working environment, not affecting detection unit 11
Function.
As shown in figure 3, in the utility model embodiment, capacitance electrode 111 is distributed in the periphery of heating unit 3；This
Region is that most frequent region occurs for overflow phenomena, and capacitance electrode 111, which is distributed in this, can accurately detect overflow alarm.
As shown in figure 4, in a preferred embodiment of the present utility model, capacitance electrode 111 is in the periphery of heating unit 3
Outwards extended in the way of radiation.It is to be appreciated that in the way of radiation outwards extend can with the capacitance electrode 111 of finger shape with
Arrange, can also refer to the mode of external radiation, multiple capacitance electrodes are arranged in the way of to external radiation.So set, no matter pot
How is the size of tool, and detection unit 11 can detect overflow alarm.This arrangement mode be it is a kind of preferably, be easily installed
Arrangement mode.
As shown in figure 5, in a preferred embodiment of the present utility model, capacitance electrode 111 is single for that can be surrounded on heating
One ring shape conductive material of the periphery of member 3.Capacitance electrode 111 is arranged to a larger entirety, the region that it is covered is wider, inspection
The scope of survey is also corresponding to precision to be increased, while processing and installation are also more convenient.
As shown in fig. 6, in one embodiment of the present utility model, multiple capacitance electrodes 111 are arranged on a circuit board,
An integrated capacitance electrode group is formed, capacitance touch induction module 112 is integrated in control unit 4, capacitance electrode group and control
Unit 4 processed is connected, i.e., be directly transferred to the detection signal of capacitance electrode 111 set corresponding in control unit 4, control unit 4
Signal processing module.This setup further simplify mounting process, reduce cost.
In summary, the utility model provides a kind of Anti-overflow device, and the Anti-overflow device is on electromagnetic oven, the electricity
Magnetic stove is at least including boiler face glass, the heating unit below boiler face glass, and for coordinating the control list of each component working
Member；Anti-overflow device includes：The condenser type detection unit of discharge whether is produced on boiler face glass for detecting；When on boiler face glass
Square discharge, when causing the capacitance of condenser type detection unit to change, control unit adjusts the heating work(of the heating unit
Rate prevents the Anti-overflow device in lasting overflow, the utility model from using above-mentioned testing mechanism, thus its be not afraid of abrasion, not by
Humiture influences, and has the advantages that waterproofing protection and with low cost.
The utility model additionally provides a kind of anti-overflow electromagnetic oven, including boiler face glass；Below the boiler face glass
Heating unit；Control unit for coordinating each component working；And Anti-overflow device, the Anti-overflow device is including for examining
Survey the condenser type detection unit that discharge whether is produced on boiler face glass；The discharge above boiler face glass, causes condenser type detection single
When the capacitance of member changes, control unit adjusts the heating power of the heating unit to prevent lasting overflow, due to electricity
Appearance formula detection unit is arranged at below the glass of road surface, i.e., inside electromagnetic oven, influenceed smaller by factors such as use environment, pans,
Not easy to wear, damage, and there is waterproofing protection and with low cost, it also slow down the detection failure caused by anodizing
Phenomenon, easy for installation while can be connected with device for controlling electromagnetic field oven by wired mode, connection is reliable, reduce further
Cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of Anti-overflow device, on electromagnetic oven, the electromagnetic oven at least includes boiler face glass, located at the boiler face glass
The heating unit of lower section, and for coordinating the control unit of each component working；Characterized in that, the Anti-overflow device includes：
The condenser type detection unit of discharge whether is produced on the boiler face glass for detecting；
The discharge above the boiler face glass, when causing the capacitance of the condenser type detection unit to change, the control
Unit adjusts the heating power of the heating unit to prevent lasting overflow.
2. Anti-overflow device as claimed in claim 1, it is characterised in that the condenser type detection unit includes：
It is arranged in the capacitance electrode below the boiler face glass；And
It is connected with the capacitance electrode, can will detects capacitance touch induction module of the signal output to described control unit.
3. Anti-overflow device as claimed in claim 2, it is characterised in that with pre- between the capacitance electrode and the boiler face glass
If spacing is arranged.
4. Anti-overflow device as claimed in claim 2, it is characterised in that the capacitance electrode is distributed in outside the heating unit
Enclose.
5. Anti-overflow device as claimed in claim 2, it is characterised in that the capacitance electrode heating unit periphery with
The mode of radiation outwards extends.
6. Anti-overflow device as claimed in claim 2, it is characterised in that the capacitance electrode is single for that can be surrounded on the heating
One ring shape conductive material of first periphery.
7. Anti-overflow device as claimed in claim 2, it is characterised in that multiple capacitance electrodes are arranged at a circuit board
On, an integrated capacitance electrode group is formed, the capacitance touch induction module is integrated in described control unit, the electric capacity
Electrode group is connected with described control unit.
8. Anti-overflow device as claimed in claim 2, it is characterised in that the Anti-overflow device is with the controller by having
The mode of line is connected.
9. a kind of anti-overflow electromagnetic oven, comprising：
Boiler face glass；
Heating unit below the boiler face glass；And
Control unit for coordinating each component working；
It is characterized in that：
Also include the Anti-overflow device as described in claim 1~7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331197.8U CN206330163U (en) | 2016-12-06 | 2016-12-06 | A kind of Anti-overflow device and electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331197.8U CN206330163U (en) | 2016-12-06 | 2016-12-06 | A kind of Anti-overflow device and electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206330163U true CN206330163U (en) | 2017-07-14 |
Family
ID=59288462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621331197.8U Active CN206330163U (en) | 2016-12-06 | 2016-12-06 | A kind of Anti-overflow device and electromagnetic oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206330163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525109A (en) * | 2017-08-23 | 2017-12-29 | 珠海格力电器股份有限公司 | Electromagnetic oven spilling water detection means and electromagnetic oven |
| CN110617507A (en) * | 2018-06-19 | 2019-12-27 | 佛山市顺德区美的电热电器制造有限公司 | Overflow control method, heating equipment and storage medium |
-
2016
- 2016-12-06 CN CN201621331197.8U patent/CN206330163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525109A (en) * | 2017-08-23 | 2017-12-29 | 珠海格力电器股份有限公司 | Electromagnetic oven spilling water detection means and electromagnetic oven |
| CN110617507A (en) * | 2018-06-19 | 2019-12-27 | 佛山市顺德区美的电热电器制造有限公司 | Overflow control method, heating equipment and storage medium |
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