CN1889797A - Electromagnetic oven temperature controlling device - Google Patents
Electromagnetic oven temperature controlling device Download PDFInfo
- Publication number
- CN1889797A CN1889797A CN 200610060591 CN200610060591A CN1889797A CN 1889797 A CN1889797 A CN 1889797A CN 200610060591 CN200610060591 CN 200610060591 CN 200610060591 A CN200610060591 A CN 200610060591A CN 1889797 A CN1889797 A CN 1889797A
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- China
- Prior art keywords
- thermistor
- electromagnetic oven
- temperature control
- control equipment
- conducting element
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Abstract
A temperature control device of electromagnetic oven consists of thermal resistor, thermal resistor support, thermal resistor lead wire and master circuit board. It is featured as connecting thermal resistor to master circuit board through thermal resistor lead wire, forming heat conduction element by spiral element made of graphite and fixing nut prepared by ceramic material on ceramic front plate.
Description
[technical field]
The present invention relates to a kind of electromagnetic oven, relate in particular to a kind of electromagnetic oven temperature controlling device.
[background technology]
Along with the raising of living standards of the people, electromagnetic oven is progressing into average family.Electromagnetic oven receives an acclaim because heat is big, efficient is high.But the temperature control equipment of the electromagnetic oven that uses generally is positioned over thermistor the below of electromagnetic stove ceramic panel at present, and its position is positioned at the centre of coil panel.When cooking bottom temperature changed, the temperature of ceramic panel can change along with the variation of cooking bottom temperature.And thermistor is close to the ceramic panel lower surface, so the variation of cooking bottom temperature can be passed to thermistor by ceramic panel, make the resistance value of thermistor that corresponding change take place, the variation of the resistance value of thermistor drives further that the voltage of bleeder circuit changes in the electromagnetic oven, and the single-chip microcomputer that sends in the electromagnetic oven of change in voltage is handled the most at last.In this temperature control equipment, pottery is the non-conductor of heat, and the thickness of every batch of ceramic panel that manufacturer introduces all can be variant, these two factors cause thermistor measured temperature and the bottom of a pan actual temperature that certain difference is arranged, and have transmission lag and unsteadiness, make that the temperature control effect of electromagnetic oven is not good enough, precision is relatively poor, cause user's food quality not good enough, but also cause a certain amount of energy waste.
China's application number is to have disclosed the energy-saving electromagnetic oven of a kind of intuition warm spot touch in 03113524.2 the patent.The energy-saving electromagnetic oven of described intuition warm spot touch comprises thermistor, fixedly support, the thermistor of thermistor go between and main circuit board.Described thermistor is a glass packaged thermosensitive resistor, directly contacts with the bottom of a pan, and thermistor changes the resistance of its resistance accordingly according to the temperature in the bottom of a pan.Described thermistor lead-in wire passes to the voltage of bleeder circuit in the electromagnetic oven with the variation of thermistor resistance, makes its magnitude of voltage that corresponding the variation be taken place, and the change in voltage single-chip microcomputer that sends the main circuit board in the electromagnetic oven to is handled the most at last.
But the used glass packaged thermosensitive resistor of existing electromagnetic oven directly contacts with the bottom of a pan and is easy to damage, so directly contact does not have practical value.Generally need a kind of material provide protection to thermistor, this material is should thermal conductivity good, can be high temperature resistant, soda acid etc.Key point is that this material can not spontaneous heating in strong alternating magnetic field, and metal material all can spontaneous heating in magnetic field, material thermal conductivity such as general pottery, glass can be bad again, and general plastics thermal conductivity and thermal endurance are all not enough, so the selection of this kind material is only the difficult point of accurate temperature controlling technology.
So be necessary to find a kind of thermal conductivity good, can be high temperature resistant, the Heat Conduction Material of soda acid, it is connected with thermistor, the temperature in the bottom of a pan is transferred to thermistor, and can protects thermistor.
[summary of the invention]
The object of the present invention is to provide a kind of thermal conductivity of utilizing good, can be high temperature resistant, simple, practical, the electromagnetic oven temperature controlling device cheaply of the Heat Conduction Material of soda acid.
In order to address the above problem, the invention provides following technical scheme: a kind of electromagnetic oven temperature controlling device, this electromagnetic oven comprises that central authorities have the ceramic panel of small sircle hole, upper casing, lower casing, temperature control equipment and coil panel, described temperature control equipment comprises thermistor, place the thermistor support of thermistor, thermistor lead-in wire and main circuit board, thermistor changes its resistance according to the heat that obtains from the bottom of a pan, the magnitude of voltage that drives the bleeder circuit of the main circuit board in the electromagnetic oven by described thermistor lead-in wire changes, described main circuit board is handled accordingly according to the variation of voltage, it is characterized in that: described temperature control equipment also comprises heat conducting element, described heat conducting element is put into the circular hole and the thermistor support of described ceramic panel, contact with the bottom of a pan.
More specifically, the small sircle hole of the ceramic panel of described electromagnetic oven is a screw thread form.
More specifically, described heat conducting element is made by graphite.
More specifically, described heat conducting element is a bolt shape.
More specifically, described heat conducting element is fixed in the small sircle hole place of described ceramic panel in the mode that is threaded, and with a nut described heat conducting element is fastened on described ceramic panel.
More specifically, described nut is made by ceramic material.
Electromagnetic oven temperature controlling device of the present invention is compared with existing electromagnetic oven temperature controlling device, there is the circular hole that can put into heat conducting element the ceramic panel center, and by the reasonable graphite of thermal conductivity as heat conducting element, can in time, accurately control the cooker variation of temperature, improve the food quality, can also save the energy.
[description of drawings]
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is a better embodiment of the present invention.
[embodiment]
In conjunction with Fig. 1 the specific embodiment of the present invention is described.Electromagnetic oven temperature controlling device of the present invention, this electromagnetic oven comprises ceramic panel 101, upper casing 102, lower casing 103, temperature control equipment 104 and coil panel 105, and this temperature control equipment 104 comprises heat conducting element 1041, thermistor 1042, thermistor support 1043 and main circuit board 1044.
Ceramic panel 101, upper casing 102 and lower casing 103 are formed a space, and this temperature control equipment and coil panel are placed on its inside.
Ceramic panel 101 is the panel of the circle of ceramic material composition, and there is a threaded small sircle hole its RC position.Described ceramic panel is used for placing pot and waits kitchen tools.
Described heat conducting element 1041 is made by the reasonable graphite of conductivity of heat, and described heat conducting element 1041 can be a bolt shape.The outer surface of described heat conducting element 1041 makes the graphite powder difficult drop-off through surface treatment.Described heat conducting element 1041 is fixed in the small sircle hole place of ceramic panel 101 in the mode that is threaded, and the nut that utilizes ceramic material to make is fastened on described ceramic panel 101 with its heat conducting element 1041, contacts with thermistor support 1042.Heat conducting element 1041 directly contacts with the bottom of a pan during electromagnetic oven work, and the temperature in its bottom of a pan is passed to thermistor 1042, and protection thermistor 1042.
Described thermistor 1042 is positioned over described thermistor support 1043.Described thermistor 1042 has a lead-in wire of being made by copper cash (figure does not show), and described thermistor lead-in wire is connected with main circuit board 104 by plug.Described main circuit board 104 comprises bleeder circuit and single-chip microcomputer, and described bleeder circuit causes the generation of voltage according to the resistance of described thermistor, and described single-chip microcomputer is made corresponding processing according to the variation of the magnitude of voltage of bleeder circuit.Described temperature-sensitive electricity 1042 is according to the heat of heat conducting element 1041 transmission, and its resistance of corresponding change will drive the magnitude of voltage of the bleeder circuit of described main circuit board by described lead-in wire.Described single-chip microcomputer is made corresponding processing according to the variation of the magnitude of voltage of bleeder circuit.
Described thermistor support 1043 and is positioned at the central authorities of described coil panel 105 between coil panel 105 heat conducting element 1041 and described.And form by plastic parts and ceramic component two parts.The part that contacts with heat conducting element of described thermistor support is made up of ceramic component, and semi-circular groove is arranged.Affiliated groove is used for fixing places described thermistor.
There are two guide pillars (figure does not show) described coil panel 105 centers, also connect spring (figure does not show) on the described guide pillar, and described thermistor support 1043 reliably closely is connected with heat conducting element 1041 by the support of described guide pillar and spring.Described guide pillar can be the part of coil panel, also can be the part of electromagnetic oven drain pan.
When electromagnetic oven is worked, heat conducting element 1041 is transferred to thermistor 1042 with the temperature in the bottom of a pan, thermistor 1042 receives the temperature of heat conducting element 1041 transmission, corresponding its resistance value that changes, described bleeder circuit causes the generation of voltage according to the resistance value of described thermistor 1042, and described single-chip microcomputer is made corresponding processing according to the variation of the magnitude of voltage of bleeder circuit.
Claims (6)
1. electromagnetic oven temperature controlling device, this electromagnetic oven comprises that central authorities have the ceramic panel of small sircle hole, upper casing, lower casing, temperature control equipment and coil panel, described electromagnetic oven temperature controlling device comprises thermistor, place the thermistor support of thermistor, thermistor lead-in wire and main circuit board, thermistor changes its resistance according to the heat that obtains from the bottom of a pan, the magnitude of voltage that drives the bleeder circuit of the main circuit board in the electromagnetic oven by described thermistor lead-in wire changes, described main circuit board is handled accordingly according to the variation of the voltage of bleeder circuit, it is characterized in that: described temperature control equipment also comprises heat conducting element, described heat conducting element is placed between the circular hole and thermistor support of described ceramic panel.
2, temperature control equipment as claimed in claim 1 is characterized in that: the small sircle hole of the ceramic panel of described electromagnetic oven is threaded.
3, temperature control equipment as claimed in claim 1 is characterized in that: the heat conducting element of described temperature control equipment is made by graphite.
4, temperature control equipment as claimed in claim 1 is characterized in that: the heat conducting element of described temperature control equipment is a bolt shape.
5, temperature control equipment as claimed in claim 4 is characterized in that: described heat conducting element is fixed in the small sircle hole place of described ceramic panel in the mode that is threaded, and with a nut described heat conducting element is fastened on described ceramic panel.
6, temperature control equipment as claimed in claim 5 is characterized in that: described nut is made by ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100605917A CN100441059C (en) | 2006-04-30 | 2006-04-30 | Electromagnetic oven temperature controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100605917A CN100441059C (en) | 2006-04-30 | 2006-04-30 | Electromagnetic oven temperature controlling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1889797A true CN1889797A (en) | 2007-01-03 |
| CN100441059C CN100441059C (en) | 2008-12-03 |
Family
ID=37579056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100605917A Expired - Fee Related CN100441059C (en) | 2006-04-30 | 2006-04-30 | Electromagnetic oven temperature controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100441059C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969704A (en) * | 2010-09-28 | 2011-02-09 | 苏州市春和电器有限公司 | Wire coil of electromagnetic oven |
| CN108366439A (en) * | 2018-02-09 | 2018-08-03 | 张宜悦 | Constant-temperature control method, heating device and storage medium |
| CN109539339A (en) * | 2019-01-18 | 2019-03-29 | 邵泽桐 | A kind of electric ceramic heaters new device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2705286B2 (en) * | 1990-02-28 | 1998-01-28 | 富士電機株式会社 | Die induction heating device temperature measuring device |
| JP2001230062A (en) * | 2000-02-16 | 2001-08-24 | Matsushita Electric Ind Co Ltd | Induction heating cooking device |
| CN1515830A (en) * | 2003-01-08 | 2004-07-28 | 张潮钦 | Direct temperature-sensing point contact type energy-saving electromagnetic furnace |
| JP2004241215A (en) * | 2003-02-05 | 2004-08-26 | Mitsubishi Electric Corp | Electromagnetic induction heating device |
| CN2761988Y (en) * | 2004-10-29 | 2006-03-01 | 浙江苏泊尔炊具股份有限公司 | Temperature sensing and measuring device for electromagnetic oven |
| CN2760431Y (en) * | 2004-12-07 | 2006-02-22 | 汕头市夏野电器有限公司 | Temperature measuring controller for electromagnetic oven |
| CN2906392Y (en) * | 2006-04-30 | 2007-05-30 | 深圳创维－Rgb电子有限公司 | Temperature controller for electromagnetic oven |
-
2006
- 2006-04-30 CN CNB2006100605917A patent/CN100441059C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969704A (en) * | 2010-09-28 | 2011-02-09 | 苏州市春和电器有限公司 | Wire coil of electromagnetic oven |
| CN108366439A (en) * | 2018-02-09 | 2018-08-03 | 张宜悦 | Constant-temperature control method, heating device and storage medium |
| CN108366439B (en) * | 2018-02-09 | 2021-11-16 | 张宜悦 | Constant temperature control method, heating device, and storage medium |
| CN109539339A (en) * | 2019-01-18 | 2019-03-29 | 邵泽桐 | A kind of electric ceramic heaters new device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100441059C (en) | 2008-12-03 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20140430 |