CN107874610A - Anti-overflow detection means and cooking apparatus for cooking apparatus - Google Patents
Anti-overflow detection means and cooking apparatus for cooking apparatus Download PDFInfo
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- CN107874610A CN107874610A CN201610872187.3A CN201610872187A CN107874610A CN 107874610 A CN107874610 A CN 107874610A CN 201610872187 A CN201610872187 A CN 201610872187A CN 107874610 A CN107874610 A CN 107874610A
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- conductive part
- cooking apparatus
- detection means
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- detection
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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
- A47J27/00—Cooking-vessels
- A47J27/56—Preventing boiling over, e.g. of milk
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/265—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention discloses a kind of anti-overflow detection means and cooking apparatus for cooking apparatus, anti-overflow detection means includes：Electric conductor, electric conductor include the first conductive part and the second conductive part；Insulator, insulator comprises at least the second insulation wall of the lower surface of the second conductive part of the first insulation wall and cladding of the lower surface of the first conductive part of cladding, the lower surface of first insulation wall forms the first detection faces, the lower surface of second insulation wall forms the second detection faces, and the capacitance of electric conductor changes with the change of the first detection faces and the second detection faces contact medium；Capacitance detecting chips, capacitance detecting chips generate detection signal by detecting the capacitance variation amount of electric conductor.Anti-overflow detection means for cooking apparatus according to embodiments of the present invention can improve the heating effect of cooking apparatus, have the advantages that cost is low, highly reliable.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, is filled in particular to a kind of anti-overflow detection for cooking apparatus
Put and have the cooking apparatus of the anti-overflow detection means for cooking apparatus.
Background technology
The cooking apparatus such as electric cooker, in order to realize that spillage-proof function is typically provided with anti-overflow detection means.Correlation technique
In be applied to the anti-overflow detection means of cooking apparatus, by detecting the resistance characteristic of water realizing the detection of spill over, it is necessary to
At least two probes are set, and cost is higher, and erroneous judgement probability is high.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem of the prior art to a certain extent.Therefore, this hair
A kind of anti-overflow detection means for cooking apparatus of bright proposition, the anti-overflow detection means for being used for cooking apparatus can improve culinary art
The heating effect of utensil, have the advantages that cost is low, highly reliable.
The present invention also proposes a kind of cooking apparatus with the anti-overflow detection means for cooking apparatus.
To achieve the above object, embodiment according to the first aspect of the invention proposes a kind of for the anti-overflow of cooking apparatus
Detection means, the anti-overflow detection means for cooking apparatus include：Electric conductor, the electric conductor include the first conductive part and
Second conductive part；Insulator, the insulator comprise at least the lower surface for coating first conductive part the first insulation wall and
The second insulation wall of the lower surface of second conductive part is coated, the lower surface of first insulation wall forms the first detection faces,
The lower surface of second insulation wall forms the second detection faces, and first detection faces and second detection faces are in the horizontal direction
On stagger, the capacitance of the electric conductor becomes with the change of first detection faces and the second detection faces contact medium
Change；Capacitance detecting chips, the capacitance detecting chips are connected with the electric conductor, and the capacitance detecting chips pass through described in detection
The capacitance variation amount of electric conductor is to generate detection signal.
Anti-overflow detection means for cooking apparatus according to embodiments of the present invention, it is possible to increase the heating effect of cooking apparatus
Fruit, have the advantages that cost is low, highly reliable.
In addition, the anti-overflow detection means according to the above embodiment of the present invention for cooking apparatus can also be with following attached
The technical characteristic added：
According to one embodiment of present invention, the region that the outer edge of second conductive part in the horizontal direction surrounds
Area is more than the area in the region that the outer edge of first conductive part in the horizontal direction surrounds, and second insulation wall is perpendicular
Nogata is located at the top of first insulation wall upwards.According to one embodiment of present invention, the insulator is provided with second
Groove and the first groove being located on the bottom wall of second groove, the lower surface of second conductive part are only against described the
On the bottom wall of two grooves, the lower surface of first conductive part is only against on the bottom wall of first groove.
According to one embodiment of present invention, first conductive part and second conductive part are column.
According to one embodiment of present invention, second conductive part is integrally formed with first conductive part.
According to one embodiment of present invention, first conductive part is the first spring, and second conductive part is second
Spring, first conductive part and second conductive part are connected with the capacitance detecting chips respectively.
According to one embodiment of present invention, the second spring is provided with via, and first spring coordinates described
In via.
According to one embodiment of present invention, the anti-overflow detection means for cooking apparatus also includes mounting bracket,
The mounting bracket is arranged on the insulator, and first spring clamping is in the mounting bracket and first insulation wall
Between, the second spring is clamped between the mounting bracket and second insulation wall.
According to one embodiment of present invention, the lower surface of first conductive part is provided with the first detection lug and described second
The lower surface of conductive part is provided with the second detection lug.
According to one embodiment of present invention, first detection lug and first conductive part are integrated part, and described the
Two detection lugs are integrated part with second conductive part.
According to one embodiment of present invention, first conductive part is the first spring and second conductive part is second
Spring, first detection lug are flattened by the lower end coiling of first spring and formed, and second detection lug is by described second
The lower end coiling of spring, which flattens, to be formed.
Embodiment according to the second aspect of the invention proposes a kind of cooking apparatus, and the cooking apparatus is included according to this hair
The anti-overflow detection means for cooking apparatus described in the embodiment of bright first aspect.
Cooking apparatus according to embodiments of the present invention, by using described in embodiment according to the first aspect of the invention
For the anti-overflow detection means of cooking apparatus, have the advantages that culinary art effect is good, cost is low, highly reliable.
According to one embodiment of present invention, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
Brief description of the drawings
Fig. 1 is the partial sectional view of cooking apparatus according to embodiments of the present invention.
Fig. 2 is the structural representation of the anti-overflow detection means for cooking apparatus according to embodiments of the present invention.
Fig. 3 is the explosive view of the anti-overflow detection means for cooking apparatus according to embodiments of the present invention.
Fig. 4 is the partial sectional view of the anti-overflow detection means for cooking apparatus according to embodiments of the present invention.
Fig. 5 is the partial sectional view of the anti-overflow detection means for cooking apparatus according to embodiments of the present invention.
Reference：Cooking apparatus 1, the anti-overflow detection means 300 for cooking apparatus, electric conductor 310, the first conductive part
311st, the first detection lug 3110, the second conductive part 312, the second detection lug 3120, via 3121, insulator 320, the first insulation wall
321st, the first detection faces 3210, the second insulation wall 322, the second detection faces 3220, capacitance detecting chips 330, main control chip 340,
Resistance 350, mounting bracket 400, pot 20.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
Below with reference to the accompanying drawings the description anti-overflow detection means 300 for cooking apparatus according to embodiments of the present invention.
As Figure 1-Figure 5, the anti-overflow detection means 300 for cooking apparatus according to embodiments of the present invention includes conduction
Body 310, insulator 320 and capacitance detecting chips 330.
Electric conductor 310 includes the first conductive part 311 and the second conductive part 312.Insulator 320 comprises at least cladding first and led
Second insulation wall 322 of the lower surface of the second conductive part 312 of the first insulation wall 321 and cladding of the lower surface in electric portion 311 is (up and down
Direction is as shown in the arrow A in Fig. 1-Fig. 5), the lower surface of the first insulation wall 321 forms the first detection faces 3210, the second insulation
The lower surface of wall 322 forms the second detection faces 3220, and the first detection faces 3210 and the second detection faces 3220 are wrong in the horizontal direction
Open, the capacitance of electric conductor 310 changes with the change of the first detection faces 3210 and the contact medium of the second detection faces 3220.Electric capacity
Detection chip 330 is connected with electric conductor 310, and capacitance detecting chips 330 are by detecting the capacitance variation amount of electric conductor 310 with life
Into detection signal.
It will be appreciated by those skilled in the art that according to capacitance induction principle, when the first detection is drawn in measured medium leaching
The detection faces 3220 of face 3210 and second, can cause its capacitance variations." the first detection faces 3210 and the second detection faces 3220 are in level
Stagger on direction " refer to the first detection faces 3210 and the in the vertical direction of the second detection faces 3220 there is difference in height.
The anti-overflow detection means 300 for cooking apparatus according to embodiments of the present invention, by setting electric conductor 310 and exhausted
Edge body 320, the capacitance of electric conductor 310 can be made to contact the change of insulator 320 with medium and change, with conductive by detecting
The capacitance of body 310 judges the situation of change of the anti-overflow contact medium of detection means 300, so as to judge the liquid in the cooking apparatus
Whether body (such as foam) has the trend of spilling, so as to realize the function of anti-overflow detection.
Also, by using capacitance induction principle, anti-overflow detection means 300 is used capacitance type detector, not only may be used
To realize anti-overflow detection function, and compared to resistance-type detection mode is used in correlation technique, anti-overflow detection means can be reduced
300 cost, so as to reduce the cost of the cooking apparatus, erroneous judgement probability is reduced, improves the accuracy of anti-overflow detection.
In addition, by setting the first conductive part 311 and the second conductive part 312, and the first insulation is set on insulator 320
The insulation wall 322 of wall 321 and second, it can make anti-overflow detection means 300 that there are the first detection faces 3210 and the second detection faces 3220.
So when the cooking apparatus works, internal liquid level rises, and touches the first detection faces 3210 and the second detection faces first
Position is relatively low in 3220 one, capacitance detecting chips 330 is generated detection signal, control the cooking apparatus adjustment heating effect
Fruit, such as heating-up temperature is reduced, reduce the speed that liquid level rises.Afterwards, if liquid level continues to rise, the first detection faces are touched
3210 and second higher one in position in detection faces 3220, the detection signal of capacitance detecting chips 330 is changed, enter one
Step controls the cooking apparatus adjustment heating effect, such as stops heating, avoids liquid level from continuing to raise and overflow the cooking pot
Tool, realizes Anti-spill.It is possible thereby to the liquid level in the cooking apparatus controls the cooking apparatus when reaching different height
Different cooking status are switched to, compared to the mode for detecting liquid level rise directly stopping heating, can not only ensure described cook
Prepare food heating effect of the utensil to food, make heat foods abundant, ensure the culinary art effect of the cooking apparatus, and can be in liquid
Liquid level elevated speed is reduced during the anti-overflow detection means 300 of face first contacts, so as to avoid liquid level from directly overflowing the cooking pot
Tool, improve the reliability of anti-overflow detection means 300.
Therefore, the anti-overflow detection means 300 for cooking apparatus according to embodiments of the present invention can improve cooking apparatus
Heating effect, have the advantages that cost is low, highly reliable.
Below with reference to the accompanying drawings the anti-overflow detection means 300 for cooking apparatus according to the specific embodiment of the invention is described.
In some specific embodiments of the present invention, as Figure 1-Figure 5, according to embodiments of the present invention is used for cooking pot
The anti-overflow detection means 300 of tool includes electric conductor 310, insulator 320 and capacitance detecting chips 330.
The area in the region that the outer edge of the second conductive part 312 in the horizontal direction surrounds exists more than the first conductive part 311
The area in the region that the outer edge in horizontal direction surrounds, the in the vertical direction of the second insulation wall 322 are located at the first insulation wall 321
Top.Can so make liquid level when rising elder generation's contact size less first detection faces 3210 again contact size it is larger the
Two detection faces 3220.So not only can be in order to ensure the area of the second detection faces 3220, in order to ensure liquid contact second
The accuracy of the detection of anti-overflow detection means 300 during detection faces 3220, and the second detection faces 3220 can be contacted in order to liquid level,
It is easy to liquid to be flowed down from anti-overflow detection means 300, prevents liquid from sticking in anti-overflow detection means 300, improve anti-overflow detection
The sensitivity of device 300, prevent that liquid level is too high and overflows the cooking apparatus.
Specifically, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, insulator 320 is provided with the second groove and is located at described second
The first groove on the bottom wall of groove, the lower surface of the second conductive part 312 are only against on the bottom wall of second groove, and first leads
The lower surface in electric portion 311 is only against on the bottom wall of first groove.Specifically, it is exhausted also to include connection first for insulator 320
The lower peripheral wall of the insulation wall 322 of edge wall 321 and second and around the second insulation wall 322 and the upper perimeter wall that upwardly extends.So can be with
Realize and coat the first conductive part 311 using the first insulation wall 321, the second conductive part 312 is coated using the second insulation wall 322, it is real
The composition of existing first detection faces 3210 and the second detection faces 3220, and the first insulation wall 321 and the second insulation wall 322 can be made
One is connected, and improves the globality and structural strength of insulator 320, simplifies the assembling process of anti-overflow detection means 300.
In one particular embodiment of the present invention, as depicted in figs. 1 and 2, the first conductive part 311 and the second conductive part
312 be column.So can be in order to the insulator 320 for coating the first conductive part 311 and the second conductive part 312 be made into post
Shape, it is easy to liquid to be flowed down from insulator 320, prevents liquid from sticking in the first detection faces 3210 and the second detection faces 3220,
Further improve accuracy and reliability that anti-overflow detection means 300 detects.
Specifically, as shown in Fig. 2 the second conductive part 312 and the first conductive part 311 are integrally formed.So can be in order to leading
The manufacture of electric body 310, simplify the assembly technology of electric conductor 310, improve the production efficiency of electric conductor 310.
In another specific embodiment of the present invention, as shown in Figure 3-Figure 5, the first conductive part 311 is the first spring, the
Two conductive parts 312 are second spring, and the first conductive part 311 and the second conductive part 312 are connected with capacitance detecting chips 330 respectively.
So equally it can be easy to liquid in order to which the insulator 320 for coating the first conductive part 311 and the second conductive part 312 is made into column
Body flows down from insulator 320, prevents liquid from sticking in the first detection faces 3210 and the second detection faces 3220, further improves
The accuracy and reliability that anti-overflow detection means 300 detects, and can be in order to making the lower end of the first conductive part 311 more be close to
First insulation wall 321, the lower end of the second conductive part 312 is set more to be close to the second insulation wall 322, so as to be further ensured that anti-overflow inspection
Survey the accuracy that device 300 detects.
Specifically, as shown in figure 3, the second spring is provided with via 3121, first spring coordinates in via
In 3121.It can so be connected respectively with capacitance detecting chips 330 in order to first spring and the second spring.
More specifically, as shown in Figure 3-Figure 5, anti-overflow detection means 300 also includes mounting bracket 400, mounting bracket 400
On insulator 320, first spring clamping is between the insulation wall 321 of mounting bracket 400 and first, second bullet
Spring is clamped between the insulation wall 322 of mounting bracket 400 and second.Mounting bracket 400 can so be utilized by first spring
It is pressed on respectively with the second spring on the upper surface of the first insulation wall 321 and the second insulation wall 322, so as to further improve
The accuracy that anti-overflow detection means 300 detects.
Specifically, mounting bracket 400 is removably mounted on insulator 320 by buckle, and mounting bracket 400 is by institute
At least one upper end bending stated in the first spring and the second spring forms.Capacitance detecting chips 330 are by installing branch
Frame 400 is connected with first spring and the second spring.
Advantageously, as shown in Figure 3-Figure 5, the lower surface of the first conductive part 311 is provided with the first detection lug 3110 and second leads
The lower surface in electric portion 312 is provided with the second detection lug 3120.The first conductive part 311 can be so set to pass through the first detection lug
3110 the first insulation walls 321 of contact, enable the second conductive part 312 to contact the second insulation wall 322 by the second detection lug 3120,
So as to increase the contact area with the first insulation wall 321 and the second insulation wall 322, further it is easy to detect the change of medium, enters
One step improves the accuracy and reliability that anti-overflow detection means 300 detects.
More advantageously, the first detection lug 3110 and the first conductive part 311 are integrated part, the second detection lug 3120 and second
Conductive part 312 is integrated part.It so can further simplify the assembling process of anti-overflow detection means 300, improve anti-overflow detection dress
Put 300 production efficiency.
In one particular embodiment of the present invention, as shown in Figure 3 and Figure 5, the first conductive part 311 is the first spring and the
Two conductive parts 312 are second spring, and the first detection lug 3110 is flattened by the lower end coiling of first spring and formed, the second detection
Piece 3120 is flattened by the lower end coiling of the second spring and formed.So can be in order to the first detection lug 3110 and the second detection lug
3120 formation, the manufacture difficulty and manufacturing cost of anti-overflow detection means 300 are reduced, improve the first conductive part 311 and the first inspection
The bonding strength of piece 3110 is surveyed, improves the bonding strength of the second conductive part 312 and the second detection lug 3120.
In another specific embodiment of the present invention, as shown in figure 4, it is solid that first can be provided with the first detection lug 3110
It is fixed to detain, the second clip can be provided with the second detection lug 3120, the lower end of the first conductive part 311 coordinates to be fixed described first
To connect the first detection lug 3110 and the first conductive part 311 in button, the lower end of the second conductive part 312 coordinates to be fixed described second
With the second detection lug 3120 of connection and the second conductive part 312 in button.It so can equally realize the first detection lug 3110 and second
The setting of detection lug 3120, and can be in order to increasing the first detection lug 3110 and the second detection lug 3120 and the first insulation wall
321 and second insulation wall 322 contact area, so as to improve the accuracy and reliability that anti-overflow detection means 300 detects.
Specifically, as shown in Fig. 2 anti-overflow detection means 300 also includes main control chip 340.Main control chip 340 and electric capacity
Detection chip 330 is communicated to receive the detection signal, and judges whether generation spillover according to the detection signal.
It can so determine whether that liquid overflows using main control chip 340, consequently facilitating the cooking status of control cooking apparatus.
Resistance 350 is connected between capacitance detecting chips 330 and electric conductor 310.Resistance 350 is used for electric conductor 200
Capacitance variation amount signal is filtered processing, so as to play jamproof effect.Wherein, the resistance value of resistance 350 can
Preferably 10 Ω to 10k Ω.
Cooking apparatus 1 according to embodiments of the present invention is described below.Cooking apparatus 1 according to embodiments of the present invention includes root
According to the anti-overflow detection means 300 for cooking apparatus of the above embodiment of the present invention.
Cooking apparatus 1 according to embodiments of the present invention, it is used for cooking pot by using according to the above embodiment of the present invention
The anti-overflow detection means 300 of tool, have the advantages that culinary art effect is good, cost is low, highly reliable.
Alternatively, cooking apparatus 1 is electric cooker or electric pressure cooking saucepan.Electricity can be so realized in electric cooker or electric pressure cooking saucepan
Hold anti-overflow detection, be easy to improve the culinary art effect of electric cooker or electric pressure cooking saucepan, reduce the cost of electric cooker or electric pressure cooking saucepan.
Specifically, cooking apparatus 1 includes pot cover and pot 20, and the pot cover is located in pot 20 to open or close pot
Body 20.Anti-overflow detection means 300 is located on the pot cover.
Cooking apparatus 1 according to embodiments of the present invention other form and operate for those of ordinary skill in the art and
Speech is all known, is not detailed herein.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (13)
- A kind of 1. anti-overflow detection means for cooking apparatus, it is characterised in that including：Electric conductor, the electric conductor include the first conductive part and the second conductive part；Insulator, the insulator are comprised at least described in the first insulation wall and the cladding for the lower surface for coating first conductive part Second insulation wall of the lower surface of the second conductive part, lower surface the first detection faces of composition of first insulation wall, described second The lower surface of insulation wall forms the second detection faces, and first detection faces and second detection faces stagger in the horizontal direction, The capacitance of the electric conductor changes with the change of first detection faces and the second detection faces contact medium；Capacitance detecting chips, the capacitance detecting chips are connected with the electric conductor, and the capacitance detecting chips are by detecting The capacitance variation amount of electric conductor is stated to generate detection signal.
- 2. the anti-overflow detection means according to claim 1 for cooking apparatus, it is characterised in that second conductive part The area in the region that outer edge in the horizontal direction surrounds encloses more than the outer edge of first conductive part in the horizontal direction Into region area, the second insulation wall in the vertical direction is located at the top of first insulation wall.
- 3. the anti-overflow detection means according to claim 2 for cooking apparatus, it is characterised in that set on the insulator There are the second groove and the first groove being located on the bottom wall of second groove, the lower surface of second conductive part is only against On the bottom wall of second groove, the lower surface of first conductive part is only against on the bottom wall of first groove.
- 4. the anti-overflow detection means according to claim 1 for cooking apparatus, it is characterised in that first conductive part It is column with second conductive part.
- 5. the anti-overflow detection means according to claim 4 for cooking apparatus, it is characterised in that second conductive part It is integrally formed with first conductive part.
- 6. the anti-overflow detection means according to claim 1 for cooking apparatus, it is characterised in that first conductive part For the first spring, second conductive part is second spring, first conductive part and second conductive part respectively with it is described Capacitance detecting chips are connected.
- 7. the anti-overflow detection means according to claim 6 for cooking apparatus, it is characterised in that in the second spring Provided with via, first spring coordinates in the via.
- 8. the anti-overflow detection means according to claim 6 for cooking apparatus, it is characterised in that also include installation branch Frame, the mounting bracket are arranged on the insulator, and first spring clamping is exhausted in the mounting bracket and described first Between edge wall, the second spring is clamped between the mounting bracket and second insulation wall.
- 9. the anti-overflow detection means according to claim 1 for cooking apparatus, it is characterised in that first conductive part Lower surface be provided with the lower surface of the first detection lug and second conductive part and be provided with the second detection lug.
- 10. the anti-overflow detection means according to claim 9 for cooking apparatus, it is characterised in that first detection Piece is integrated part with first conductive part, and second detection lug is integrated part with second conductive part.
- 11. the anti-overflow detection means according to claim 10 for cooking apparatus, it is characterised in that described first is conductive Portion is the first spring and second conductive part is second spring, first detection lug by first spring lower end coiling Pressing is formed, and second detection lug is flattened by the lower end coiling of the second spring and formed.
- 12. a kind of cooking apparatus, it is characterised in that including being used for cooking apparatus according to any one of claim 1-11 Anti-overflow detection means.
- 13. cooking apparatus according to claim 12, it is characterised in that the cooking apparatus is electric cooker or Voltage force Pot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872187.3A CN107874610B (en) | 2016-09-30 | 2016-09-30 | A anti-overflow detection device and cooking utensil for cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872187.3A CN107874610B (en) | 2016-09-30 | 2016-09-30 | A anti-overflow detection device and cooking utensil for cooking utensil |
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| CN107874610A true CN107874610A (en) | 2018-04-06 |
| CN107874610B CN107874610B (en) | 2020-10-30 |
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