CN109442503A - Pot-leaving detection device and detection method for kitchen range - Google Patents
Pot-leaving detection device and detection method for kitchen range Download PDFInfo
- Publication number
- CN109442503A CN109442503A CN201811311465.3A CN201811311465A CN109442503A CN 109442503 A CN109442503 A CN 109442503A CN 201811311465 A CN201811311465 A CN 201811311465A CN 109442503 A CN109442503 A CN 109442503A
- Authority
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- China
- Prior art keywords
- kitchen range
- magnet
- hall element
- pot detection
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000006698 induction Effects 0.000 claims abstract description 7
- 230000005389 magnetism Effects 0.000 claims description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 230000003064 anti-oxidating effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000009841 combustion method Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
Abstract
The invention discloses a pot-leaving detection device and a detection method for a cooker, which comprise a magnet, a magnetic rod, a Hall element and a cooker controller, wherein the magnet is arranged at the bottom of a cooker, the magnetic rod is arranged in the induction range of the magnet, the Hall element is arranged at one end of the magnetic rod, which is far away from the magnet, and is in signal connection with the cooker controller, the cooker controller controls the working state of the cooker according to a signal fed back by the Hall element, and the cooker controller is simple in structure and high in reliability.
Description
Technical field
The present invention relates to kitchen appliance technical field more particularly to it is a kind of for kitchen range from pot detection device and detection method.
Background technique
As the improvement of people's living standards, the use of kitchen range becomes very extensive.In order to ensure the safe handling of kitchen range,
Equipped with anti-dry detection device, from pot detection device in many kitchen range, when cookware leaves or dry-fire condition occurs, i.e.,
Controllable kitchen range are closed.But it is applied to the anti-dry detection device in kitchen range at present, from pot structure of the detecting device complexity, reliably
Property it is low, be also difficult to universal use.
Summary of the invention
The present invention is directed to one of solve the problems, such as present in existing the relevant technologies at least to a certain extent, for this purpose, this hair
It is bright propose it is a kind of for kitchen range from pot detection device, structure is simple, high reliablity.
Further it is proposed that it is a kind of for kitchen range from pot detection method, easy to operate, high reliablity.
Above-mentioned first purpose is achieved by the following technical solution:
It is a kind of for kitchen range from pot detection device, including magnet, magnetism stick, Hall element and kitchen range controller, wherein
The magnet is set to the bottom of the cookware, and the magnetism stick is set in the induction range of the magnet, the Hall member
Part is set on the one end of the magnetism stick far from the magnet and the Hall element and the kitchen range controller signals connect
It connects, the kitchen range controller controls the working condition of the kitchen range according to the signal that the Hall element is fed back.
In some embodiments, described magnetism stick one end is set in the induction range of the magnet, other end setting
In the inside of the kitchen range.
In some embodiments, thermal conductive silicon resistant to high temperature is provided between the bottom of the cookware and the magnet
Oil.
In some embodiments, the magnetism stick uses cylindrical iron staff.
In some embodiments, anti-oxidation coating is coated on the surface of the magnetism stick.
In some embodiments, the magnet is the bottom for being pasted onto the cookware；
The Hall element is pasted on the magnetism stick.
In some embodiments, in the bottom of the cookware, setting is fluted, and the magnet is arranged in the groove.
Above-mentioned second purpose is achieved by the following technical solution:
It is a kind of for kitchen range from pot detection method, it is described to be detected from pot including as described above from pot detection device
Method includes the following steps:
The magnetic field strength when magnetism stick is magnetized is incuded by the Hall element；
The kitchen range controller controls the work shape of the kitchen range according to the magnetic field intensity signal that the Hall element is fed back
State.
In some embodiments, the kitchen range controller is fed back according to the Hall element magnetic field intensity signal and pre-
If the comparison result of threshold value controls the working condition of the kitchen range.
In some embodiments, when the magnetic field intensity signal of Hall element feedback is less than preset threshold, the stove
Tool controller first controls the kitchen range and maintains current working status certain time, then controls the kitchen range and turns firepower down, is setting
The kitchen range are closed after determining the working time.
Compared with prior art, the present invention at least having the effect that
1, it is of the invention for kitchen range from pot detection device, structure is simple, high reliablity, at low cost, has stronger
The market competitiveness.
2, it is of the invention for kitchen range from pot detection method, it is simple, conveniently, detect high reliablity.
Other beneficial outcomes of the invention will be explained in conjunction with attached drawing in a specific embodiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the embodiment of the present invention from pot detection device；
Fig. 2 is the flow diagram in the embodiment of the present invention from pot detection method.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment one: as shown in Figure 1, the present embodiment provides a kind of for kitchen range from pot detection device, including magnet
1, magnetism stick 2, Hall element 3 and kitchen range controller 4, wherein magnet 1 is set to the bottom of cookware 5, and magnetism stick 2 is set to magnet
In 1 induction range, Hall element 3 is set on the one end of magnetism stick 2 far from magnet 1 and Hall element 3 and kitchen range control
The connection of 4 signal of device, the working condition for the signal control kitchen range that kitchen range controller 4 is fed back according to Hall element 3.Hall element 3 is used
Magnetic field size when induced magnetism stick 2 magnetizes, 3 magnetic field sensor signal of Hall element are connected to kitchen range controller by signal wire
4, kitchen range controller 4 generates firepower by the magnetic field strength judgement fed back and turns or turn off control down.
The present embodiment for kitchen range from pot detection device, structure is simple, high reliablity, at low cost, has stronger
The market competitiveness.
With regard to detection device provided by the present embodiment, its Principle Method is explained as follows below:
When cookware 5 is placed on the pan bracket of kitchen range, magnetism stick 2 is near near magnet 1, and magnetism stick 2 is magnetized, Hall
Element 3 is because be close to the other end of magnetism stick 2, and magnetic field strength becomes larger after being magnetized, and Hall element 3 exports magnetic field strength letter
Number.Magnetic field strength is that cookware 5 is placed in the signal of stove at the moment at this time, and after cookware 5 is removed, magnetism stick 2 is far from magnet 1 at this time,
2 loss of excitation of magnetism stick, the magnetic field strength that Hall element 3 detects become smaller, and kitchen range controller 4 is according to collecting magnetic field strength and default
Threshold values compare.Pot is sat greater than preset value expression, is indicated less than preset value from pot.
When cookware 5 is placed on the pan bracket of kitchen range, if bottom temp reaches the Curie point of magnet 1, magnet 1
By loss of excitation, the magnetic of magnetism stick 2 disappears, and the magnetic field strength that Hall element 3 detects is zero.The curie point control of magnet 1 is existed
Temperature is protected in dry combustion method, and by the variation of the detection magnetic field strength of Hall element 3, kitchen range controller 4 generates anti-dry protection act.
Wherein, all it is zero there may be magnetic field intensity signal output from pot or dry combustion method, sets two kinds for kitchen range controller 4
Operating mode, one kind are dry combustion method protected mode, and one is from pot detection pattern.Kitchen range controller 4 according to the difference of operating mode,
It generates corresponding protection and executes movement, or both of which is combined into one kind, generate identical protection and execute movement.
In the present embodiment, 2 one end of magnetism stick is set in the induction range of magnet 1, and the other end is set to the interior of kitchen range
Portion, with this convenient for the magnetic field of 2 induced magnet 1 of magnetism stick and the installation and fixation of magnetism stick 2.
Preferably, it is provided with thermally conductive silicone oil resistant to high temperature between the bottom of cookware 5 and magnet 1, it is ring-like in the present embodiment
Magnet 1 by magnetic-adsorption on cookware 5, by thermally conductive silicone oil resistant to high temperature magnet 1 is kept and 5 bottom of cookware as far as possible
Identical temperature improves the accuracy of detection.
Further, magnetism stick 2 uses cylindrical iron staff, and magnetism stick 2 is made of pure iron material, can guarantee magnet with this
After 1 leaves, the remanent magnetism of magnetism stick 2 is very small.There are two the effects of magnetism stick 2, first is that high temperature is isolated, because of 5 bottom magnetic of cookware
Iron 1 is nearby high environment, and common Hall element cannot reach this operating temperature, generates temperature gradient by pure iron column, makes magnetism
The temperature of 2 bottom end face of stick is lower than the operating temperature of Hall element.Second is that transmitting magnetic field, because of magnetic of the Hall element far from high temperature
Iron 1, the detection range beyond Hall element, therefore after magnetism stick 2 is magnetized, polarity is generated on the contrary, size phase at its both ends
Same magnetic field strength.Hall element 3 is by detecting whether magnetism stick 2 is magnetized, and then whether detectable magnet 1 is separate, that is, examines
Survey whether cookware 5 is separate.
Further, it is coated with anti-oxidation coating on the surface of magnetism stick 2, magnetism stick 2 can avoid with this and be magnetized, extended
The service life of magnetism stick 2.
In the present embodiment, magnet 1 is the bottom for being pasted onto cookware 5, used for high-temp glue, can avoid magnetic with this
Iron 1 falls in the environment of high temperature from 5 bottom of cookware.
In addition, Hall element 3 is pasted on magnetism stick 2, structure is simple, and the installation of Hall element 3 is simple, square
Just.
Alternatively, fluted in the setting of the bottom of cookware 5, magnet 1 is arranged in the groove, and structure is simple, convenient for magnet 1
Installation, and can avoid magnet 1 and protrude from the bottom of cookware 5, with this can preferably be avoided magnet 1 from being collided and damaged or fallen
It falls.
3 bonded adhesives of Hall element is fixed on the lower end surface of magnetism stick 2, because very close, Hall element 3 can be readily detected
Whether magnetism stick 2 is magnetized, it is meant that magnetism stick 2 can be detected on certain distance around whether have magnet 1.Due to cookware
It may be present certain distance between 5 bottoms and magnetism stick 2, carry out non-cpntact measurement, cookware 5 will not generate friction when mobile, to making
It is brought convenience with measurement.Due to not having movable part, structure is simple, therefore at low cost, and structure is reliable.
In addition, magnet 1 at high temperature can loss of excitation can carry out anti-dry detection protection, be selected by material using this principle
It takes, the temperature of the curie point of magnet 1 may be selected between the maximum temperature that cookware is cooked and cookware operating limit temperature.Work as cookware
Temperature reaches the curie point of magnet 1, and due to thermal conductivity good between cookware 5 and magnet 1, temperature difference very little, at this moment magnet 1 can be lost
Magnetic.By hall signal, anti-dry protection can be carried out.
After 1 high temperature loss of excitation of magnet, maintenance process is needed to change, but protects pot to be burnt and deforms scrap problem.
Embodiment two: it is as depicted in figs. 1 and 2, the present embodiment be it is a kind of for kitchen range from pot detection method, including such as
It is described to include the following steps: from pot detection method from pot detection device described in embodiment one
Magnetic field strength when being magnetized by 3 induced magnetism stick 2 of Hall element；
Kitchen range controller 4 controls the working condition of the kitchen range according to the magnetic field intensity signal that Hall element 3 is fed back.Specifically
The comparison result on ground, magnetic field intensity signal and preset threshold that kitchen range controller 4 is fed back according to Hall element 3 controls the work of kitchen range
Make state.Further, when the magnetic field intensity signal that Hall element 3 is fed back is less than preset threshold, kitchen range controller 4 first controls stove
Tool maintains current working status certain time, then controls kitchen range and turns firepower down, closes kitchen range after setting the working time.At this
In embodiment, when Hall element 3 feed back magnetic field intensity signal be less than preset threshold, be likely to be at from pot or dry-fire condition, prolong
When 10 seconds states working condition for maintaining kitchen range current, then kitchen range are adjusted to most small fire, and delay judgement is convenient for uncomfortable in mountain peak pot
Fire, small fire close fire after five minutes.It is too long from the pot time, fire is closed, or in dry-fire condition, because cookware 5 passes through in small fire state
To air exothermic temperature, kitchen range, which are under small fire state, can maintain cookware 5 in the temperature that can be born hereinafter, dry combustion method is closed after five minutes
Fire in this way protects cookware.
The present embodiment for kitchen range from pot detection method, it is simple, conveniently, detect high reliablity.Further, since magnetic
Iron is at low cost, and replacement is easy.The present embodiment has achieved the purpose that anti-dry from pot detection method, certainly setting by software
It sets, different execution methods can be carried out, keep kitchen range more intelligent, achieve the purpose that energy conservation, protection.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. it is a kind of for kitchen range from pot detection device, which is characterized in that including magnet (1), magnetism stick (2), Hall element (3)
With kitchen range controller (4), wherein the magnet (1) is set to the bottom of cookware (5), the magnetism stick (2) is set to the magnetic
In the induction range of iron (1), the Hall element (3) is set on one end of the magnetism stick (2) separate the magnet (1) simultaneously
And the Hall element (3) connect with kitchen range controller (4) signal, the kitchen range controller (4) is according to the Hall member
The signal of part (3) feedback controls the working condition of the kitchen range.
2. it is according to claim 1 it is a kind of for kitchen range from pot detection device, which is characterized in that the magnetism stick (2)
One end is set in the induction range of the magnet (1), and the other end is set to the inside of the kitchen range.
3. it is according to claim 1 it is a kind of for kitchen range from pot detection device, which is characterized in that in the cookware (5)
Bottom and the magnet (1) between be provided with thermally conductive silicone oil resistant to high temperature.
4. it is according to claim 1 it is a kind of for kitchen range from pot detection device, which is characterized in that the magnetism stick (2)
Using cylindrical iron staff.
5. it is according to any one of claims 1 to 4 it is a kind of for kitchen range from pot detection device, which is characterized in that described
The surface of magnetism stick (2) is coated with anti-oxidation coating.
6. it is according to any one of claims 1 to 4 it is a kind of for kitchen range from pot detection device, which is characterized in that the magnetic
Iron (1) is the bottom for being pasted onto the cookware (5)；
The Hall element (3) is pasted on the magnetism stick (2).
7. it is according to any one of claims 1 to 4 it is a kind of for kitchen range from pot detection device, which is characterized in that described
The bottom setting of cookware (5) is fluted, and the magnet (1) is arranged in the groove.
8. it is a kind of for kitchen range from pot detection method, including as described in claim 1 to 7 is any from pot detection device,
It is characterized in that, it is described to include the following steps: from pot detection method
The magnetic field strength when magnetism stick (2) is magnetized is incuded by the Hall element (3)；
The kitchen range controller (4) controls the work of the kitchen range according to the magnetic field intensity signal that the Hall element (3) is fed back
State.
9. it is according to claim 8 it is a kind of for kitchen range from pot detection method, which is characterized in that the kitchen range controller
(4) work of the kitchen range is controlled according to the comparison result of the magnetic field intensity signal of the Hall element (3) feedback and preset threshold
Make state.
10. it is according to claim 9 it is a kind of for kitchen range from pot detection method, which is characterized in that when Hall member
The magnetic field intensity signal of part (3) feedback is less than preset threshold, and the kitchen range controller (4) first controls the kitchen range and maintains current work
Make state certain time, then control the kitchen range and turn firepower down, closes the kitchen range after setting the working time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311465.3A CN109442503A (en) | 2018-11-06 | 2018-11-06 | Pot-leaving detection device and detection method for kitchen range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311465.3A CN109442503A (en) | 2018-11-06 | 2018-11-06 | Pot-leaving detection device and detection method for kitchen range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109442503A true CN109442503A (en) | 2019-03-08 |
Family
ID=65551647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311465.3A Pending CN109442503A (en) | 2018-11-06 | 2018-11-06 | Pot-leaving detection device and detection method for kitchen range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109442503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829427A (en) * | 2020-06-18 | 2020-10-27 | 华帝股份有限公司 | Pot-leaving detection device and detection method for kitchen range |
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