CN206222392U - Electromagnetic oven - Google Patents
Electromagnetic oven Download PDFInfo
- Publication number
- CN206222392U CN206222392U CN201621301774.9U CN201621301774U CN206222392U CN 206222392 U CN206222392 U CN 206222392U CN 201621301774 U CN201621301774 U CN 201621301774U CN 206222392 U CN206222392 U CN 206222392U
- Authority
- CN
- China
- Prior art keywords
- coil panel
- temperature sensor
- circuit board
- infrared temperature
- electromagnetic oven
- 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.)
- Expired - Fee Related
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- 230000005611 electricity Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 17
- 230000006698 induction Effects 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 208000010086 Hypertelorism Diseases 0.000 description 1
- 206010020771 Hypertelorism of orbit Diseases 0.000 description 1
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides an electromagnetic oven. The utility model discloses an electromagnetic oven includes panel (1), drain pan (2), coil panel (3) and circuit board (4), panel (1) with drain pan (2) enclose into a cavity (11) jointly, coil panel (3) with circuit board (4) all are located in cavity (11), have the controller on circuit board (4), the electromagnetic oven still includes: an infrared temperature sensor (5) for sensing the temperature of the coil panel (3), the infrared temperature sensor (5) with the controller electricity is connected, the infrared temperature sensor (5) is located in the cavity (11), just the infrared temperature sensor (5) with the projection of coil panel (3) on drain pan (2) does not overlap. The utility model discloses can prevent that the electromagnetism stove from damaging because of the coil panel temperature is unusual.
Description
Technical field
The utility model is related to household appliance technical field, more particularly to a kind of electromagnetic oven.
Background technology
With the progress and the improvement of people's living standards of science and technology, electromagnetic oven has more and more appeared in the life of people
Among.
Coil panel is provided with electromagnetic oven, the electric current being continually changing can be passed through when being heated, in coil panel, to produce
The magnetic field of high frequency change, the magnetic line of force in magnetic field constantly cuts the metallic molecule of pan, so as to produce heat to be heated.At present,
Electromagnetic oven, in order to avoid boilers from drying burning, is provided with temperature sensor, general temperature sensor and electromagnetism in heating in electromagnetic oven
The panel surface of stove is in contact, and to detect the pan temperature transmitted by panel, or is arranged on coil panel, with detection coil disk
Temperature.
However, at present, the temperature sensor of electromagnetic oven is generally arranged on coil panel disk body or panel, so heat
When, the circuit in temperature sensor would generally be subject to the magnetic interference of coil panel and produce error；If additionally, work as there is pan
During the phenomenons such as dry combustion method, coil panel own temperature also can be raised drastically, and now temperature sensor is easier to be damaged due to hypotelorism,
In time electromagnetic oven cannot be controlled to stop heating according to sensor signal.
Utility model content
The utility model provides a kind of electromagnetic oven, can effectively prevent electromagnetic oven from being damaged because of coil panel temperature anomaly.
The utility model provides a kind of electromagnetic oven, including panel, drain pan, coil panel and circuit board, and panel and drain pan are common
A cavity is surrounded, coil panel and circuit board are respectively positioned in cavity, there is controller on circuit board 4, electromagnetic oven also includes being used for
The infrared temperature sensor of the temperature of induction coil disk, infrared temperature sensor is electrically connected with the controller, infrared temperature sensor
In cavity, and the projection of infrared temperature sensor and coil panel on drain pan is not overlapped.So can be with safe and reliable inspection
The temperature of test coil disk, in the temperature anomaly of coil panel, to change the working condition of coil panel, it is to avoid between stock occurs in coil panel
The short circuit phenomenon that even electromagnetic oven is damaged.
Optionally, the temperature acquisition end of infrared temperature sensor is towards coil panel.So it is able to ensure that infrared temperature is sensed
Device accurately detects the temperature of coil panel.
Optionally, infrared temperature sensor is set on circuit boards.Such set-up mode, to infrared temperature sensor
While carrying out reliable fixation, circuit board is also convenient for for infrared temperature sensor is powered.
Optionally, circuit board is parallel to each other and interval setting with coil panel, and circuit board and coil panel are located at Different Plane
On.
Optionally, projection of the temperature acquisition end of infrared temperature sensor on drain pan stretches out in circuit board on drain pan
Outside drop shadow spread.So infrared temperature sensor stretches out from circuit board, and apart from the closer to the distance of coil panel, can be in circuit
The accuracy and sensing sensitivity of temperature detection are effectively improved when being spaced larger between plate and coil panel.
Optionally, height of the difference in height between the top surface of circuit board and coil panel bottom surface more than infrared temperature sensor.
Can so avoid interference with.
Optionally, infrared temperature sensor is arranged on the side for closing on coil panel of circuit board.So infrared temperature is sensed
The temperature acquisition end of device can accomplish the comprehensive detection without dead angle and temperature acquisition, not only near the bottom surface side of coil panel
The temperature of the close infrared temperature sensor side of coil panel bottom surface can be detected, it is also possible to detection coil try to get to the heart of a matter face away from red
The temperature of outer temperature sensor side, detection accuracy is higher.
Optionally, infrared temperature sensor is arranged on the side for closing on coil panel of circuit board.
Optionally, controller is set on circuit boards.The component degree of integration of so electromagnetic oven is higher, is conducive to power supply
With the space utilization inside electromagnetic oven.
Optionally, electromagnetic oven also includes radiator fan, and radiator fan is located in cavity.
Construction of the present utility model and its other utility model purposes and beneficial effect will be by with reference to accompanying drawings
Description of preferred embodiments and it is more obvious understandable.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the electromagnetic oven that the utility model embodiment one is provided；
Fig. 2 is the side view of the electromagnetic oven that the utility model embodiment one is provided.
Description of reference numerals：
1-panel；2-shell；3-coil panel；4-circuit board；5-infrared temperature sensor；6-radiator fan；
11-cavity.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Fig. 1 is the structural representation of the electromagnetic oven that the utility model embodiment one is provided.Fig. 2 is the utility model embodiment
The side view of one electromagnetic oven for providing.As depicted in figs. 1 and 2, the electromagnetic oven that the present embodiment is provided, specifically includes panel 1, drain pan
2nd, coil panel 3 and circuit board 4, panel 1 and drain pan 2 surround a cavity 11 jointly, and coil panel 3 and circuit board 4 are respectively positioned on cavity
In 11, on the circuit board 4 with controller (not shown), this induction cooker also includes the temperature for induction coil disk 3
The infrared temperature sensor 5 of degree, infrared temperature sensor 5 and controller are electrically connected, and such controller can be set according to coil panel 3
The working condition of Temperature control coils disk 3, and infrared temperature sensor 5 is located in cavity, and infrared temperature sensor 5 and coil
Projection of the disk 3 on drain pan 2 is not overlapped each other.
Specifically, the panel 1 of electromagnetic oven is usually microcrystal face plate or ceramic panel, and drain pan 2 is generally shell shape knot
Structure, and drain pan 2 can jointly surround a cavity 11 for placing electromagnetic oven inner member with panel 1, and panel 1 is located at should
The top of cavity 11, and the direction of panel 1 is horizontal direction, to place pan to be heated.And the inner member bag of electromagnetic oven
Coil panel 3 and circuit board 4 etc. are included.Coil panel 3 can be formed by enamel-covered wire coiling, when being heated, can be led to in coil panel 3
Enter the alternating current being continually changing, coil panel 3 can accordingly produce the electromagnetic field being continually changing in the presence of alternating current.It is logical
Cross the magnetic force line cutting effect i.e. achievable heating to pan of electromagnetic field.And be typically provided with circuit board 4 control circuit with
And the electronic component such as insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, abbreviation IGBT),
The control such as be powered is carried out with to coil panel 3.
Further, since coil panel 3 is general relatively near apart from panel 1, thus can be subject to the heat radiation of panel 1, may cause
Local temperature rises too fast.For the temperature of detection coil disk 3, it is to avoid the temperature anomaly of coil panel 3, in the cavity 11 of electromagnetic oven
It is additionally provided with infrared temperature sensor 5, infrared temperature sensor 5 can detect the real time temperature of coil panel 3, and by coil panel
3 temperature information is sent to controller, and controller is obtained after the temperature of coil panel 3, can be by the temperature and the temperature for prestoring
Degree threshold value is compared, and judges whether current coil panel temperature is too high.When the temperature anomaly of coil panel 3, controller is
Control signal can be sent, changes the working condition of coil panel 3, for example, coil panel 3 is powered off or is stopped, it is to avoid coil panel
There is the stock-price forecast phenomenon that even electromagnetic oven is damaged.In addition it is also possible to according to the difference of scene, make coil panel 3 drop power and enter
Row work.
Wherein, infrared temperature sensor 5 is to utilize thermoradiation efficiency, and the infrared radiation distributed by receiving object is entered
Row detection, as non-contact measurement mode, thus infrared temperature sensor 5 need not contact coil panel 3, you can detect coil
Temperature on disk 3.Additionally, infrared temperature sensor 5 and projection non-overlapping copies of the coil panel 3 on drain pan 2, so, infrared temperature
Spending the position of sensor 5 will not be located at the surface or underface of coil panel 3, and by the electromagnetic field and temperature of coil panel 3
Influence all can be smaller, so for the safer reliability of the detection of the temperature of coil panel 3.When coil panel 3 drastically generates heat even
When on fire, due to infrared temperature sensor 5 and coil panel 3 and underlapped, so the possibility being damaged is also smaller.Typically
, because infrared temperature sensor 5 has directive property, so the temperature acquisition end of infrared temperature sensor 5 typically should be towards line
Circle disk 3, to ensure that infrared temperature sensor 5 can accurately detect the temperature of coil panel 3.
Specifically, infrared temperature sensor 5 both can be by independent Stent Implantation in the inside of electromagnetic oven, it is also possible to set
Put on other components, to realize being connected for infrared temperature sensor 5.For example, infrared temperature sensor 5 may be provided at electricity
It is fixedly connected on road plate 4 and with circuit board 4.Such set-up mode, the same of reliably fixation is being carried out to infrared temperature sensor 5
When, circuit board 4 is also convenient for for infrared temperature sensor 5 is powered.
Optionally, it is limited to the inner space of electromagnetic oven, be parallel to each other and be spaced between general circuit plate 4 and coil panel 3
Set, meanwhile, and circuit board 4 and coil panel 3 be normally in Different Plane.Now, fixed infrared temperature on the circuit board 4
Sensor 5 will not also be blocked by the grade component of circuit board 4, it is ensured that infrared temperature sensor 5 carries out the standard of temperature detection
True property.General, infrared temperature sensor 5 may be provided at the side for closing on coil panel 3 of circuit board 4.
And due to generally having certain interval between circuit board 4 and coil panel 3, passed to further improve infrared temperature
The detection accuracy of sensor 5, can allow the projection of the temperature acquisition end on drain pan 2 of infrared temperature sensor 5 to stretch out in circuit board 4
Outside drop shadow spread on drain pan 2.Now, infrared temperature sensor 5 stretches out from circuit board 4, and apart from the distance of coil panel 3
Relatively near, accuracy and the sensing that temperature detection is effectively improved when can be spaced larger between circuit board 4 and coil panel 3 are sensitive
Property.
Further, in order to avoid constructive interference, the difference in height between the top surface of circuit board 4 and the bottom surface of coil panel 3 should be big
In the height of infrared temperature sensor 5.General, the difference in height between the top surface of circuit board 4 and the bottom surface of coil panel 3 is slightly larger than infrared
The height of temperature sensor 5.So, the temperature acquisition end of infrared temperature sensor 5, can near the bottom surface side of coil panel 3
Accomplish the comprehensive detection without dead angle and temperature acquisition, the close infrared temperature sensor 5 of the bottom surface of coil panel 3 can not only be detected
The temperature of side, it is also possible to the temperature away from the side of infrared temperature sensor 5 of the bottom surface of detection coil disk 3, detection accuracy compared with
It is high.
And when height of the difference in height less than infrared temperature sensor 5, the temperature acquisition end of infrared temperature sensor 5 can stretch
Go out to the side of coil panel 3, thus remaining position of coil panel 3 can all be blocked and cannot be arrived by effective detection.Additionally, line
Difference in height between the circle bottom surface of disk 3 and the top surface of circuit board 4 is also unsuitable excessive, to avoid because of infrared temperature sensor 5 and coil panel 3
Hypertelorism, and cause the phenomenon that infra-red radiation is decayed and induction sensitivity is reduced.
Likewise, for the ease of the arrangement of component, controller can also be set on the circuit board 4.Such electromagnetic oven
Component degree of integration is higher, is conducive to the space utilization inside power supply and electromagnetic oven.Controller can be the independent ministry of electronics industry
Part, it is also possible to be integrated with the main control circuit of electromagnetic oven, or realized in modes such as programmed instruction.
Additionally, can also include radiator fan 6 in electromagnetic oven, radiator fan 6 is located in cavity 11.Radiator fan 6 can be with
For electronic component or insulated gate bipolar transistor on coil panel 3, circuit board 4 etc. carries out cooling.And due to red
Outer temperature sensor 5 is the temperature of the detection coil disk 3 in the way of sense infrared emissions, thus with the contact temperature such as thermistor
Degree metering system is compared, and will not be subject to the airflow influence of radiator fan 6, and thermometric is more accurate.
In the present embodiment, electromagnetic oven includes panel, drain pan, coil panel and circuit board, and panel and drain pan surround one jointly
Cavity, coil panel and circuit board are respectively positioned in cavity, have controller on circuit board, and this induction cooker is also included for sensing
The infrared temperature sensor of the temperature of coil panel, infrared temperature sensor is electrically connected with the controller, and infrared temperature sensor is located at
In cavity, and the projection of infrared temperature sensor and coil panel on drain pan is not overlapped.So can securely and reliably realize
To the temperature detection of coil panel, in the temperature anomaly of coil panel, to react in time, it is to avoid stock-price forecast occurs in coil panel
The phenomenon that even electromagnetic oven is damaged.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (8)
1. a kind of electromagnetic oven, including panel (1), drain pan (2), coil panel (3) and circuit board (4), the panel (1) and the bottom
Shell (2) surrounds a cavity (11) jointly, and the coil panel (3) and the circuit board (4) are respectively positioned in the cavity (11), institute
Stating has controller on circuit board (4), it is characterised in that also including the infrared temperature of the temperature for sensing the coil panel (3)
Degree sensor (5), the infrared temperature sensor (5) electrically connects with the controller, and the infrared temperature sensor (5) is located at
In the cavity (11), and the projection of the infrared temperature sensor (5) and the coil panel (3) on the drain pan (2) is not
Overlap.
2. electromagnetic oven according to claim 1, it is characterised in that the temperature acquisition end of the infrared temperature sensor (5)
Towards the coil panel (3).
3. electromagnetic oven according to claim 1 and 2, it is characterised in that the infrared temperature sensor (5) is arranged on described
On circuit board (4).
4. electromagnetic oven according to claim 3, it is characterised in that the circuit board (4) is mutually flat with the coil panel (3)
Row and interval setting, and the circuit board (4) and the coil panel (3) are in Different Plane.
5. electromagnetic oven according to claim 4, it is characterised in that the temperature acquisition end of the infrared temperature sensor (5)
Projection on the drain pan (2) is stretched out in outside drop shadow spread of the circuit board (4) on the drain pan (2).
6. the electromagnetic oven according to claim 4 or 5, it is characterised in that the top surface and the coil panel of the circuit board (4)
(3) height of the difference in height between bottom surface more than the infrared temperature sensor (5).
7. the electromagnetic oven according to claim 4 or 5, it is characterised in that the infrared temperature sensor (5) is arranged on described
The side for closing on the coil panel (3) of circuit board (4).
8. electromagnetic oven according to claim 1 and 2, it is characterised in that also include：Radiator fan (6), the radiator fan
(6) in the cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301774.9U CN206222392U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301774.9U CN206222392U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206222392U true CN206222392U (en) | 2017-06-06 |
Family
ID=58787180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621301774.9U Expired - Fee Related CN206222392U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206222392U (en) |
-
2016
- 2016-11-30 CN CN201621301774.9U patent/CN206222392U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 |