CN101932147A - Induction heating device - Google Patents
Induction heating device Download PDFInfo
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- CN101932147A CN101932147A CN2009100404945A CN200910040494A CN101932147A CN 101932147 A CN101932147 A CN 101932147A CN 2009100404945 A CN2009100404945 A CN 2009100404945A CN 200910040494 A CN200910040494 A CN 200910040494A CN 101932147 A CN101932147 A CN 101932147A
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- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Induction Heating Cooking Devices (AREA)
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Abstract
The invention discloses a cooking induction heating device with accurate temperature induction, which ingeniously and simply overcomes the technical contradiction that the temperature measurement is inaccurate because a temperature-sensitive element and a temperature-sensitive probe, which comprise conductive elements and are arranged in a panel mounting through hole, heat per se in a stronger fluctuating electromagnetic field by mainly overcoming the traditional technical prejudice and arranging shield insulating magnetizers among the temperature-sensitive element, the temperature-sensitive probe and a heating coil. By arranging a waterproof ring and an easily detachable connecting structure, the cooking induction heating device is convenient to purify and clean; and by a matched cooking container with a groove, the cooking induction heating device senses the temperature more accurately and the cooking container is not easy to slide. The invention eliminates various technical contradictions in the actual use process, endows the scheme with quite strong practical valve and can be really applied to actual products, thereby realizing intelligentized cooking with high quality, energy saving and high automation.
Description
Technical field
The present invention relates to a kind of electric heating cooking instrument, especially a kind of temperature-sensitive is electromagnetic induction heater accurately.
Background technology
Induction heating equipment is the culinary art heating tool that utilizes electromagnetic induction heating, it allows the direct heating of cooking container self by the variation magnetic field, have advantages such as heat efficiency height, thermal inertia be little, safe in utilization, easy to operate, now except that electromagnetic oven had been used widely, induction heating equipmentes such as electromagnetic induction heating electric rice cooker, electromagnetic induction heating soy bean milk making machine, electromagnetic induction heating kettle yet began progressively to obtain to promote.
The intelligence of induction heating equipment, high-quality culinary art be unable to do without the accurate temperature-sensitive to splendid attire food or water cooking container.Since the temperature-sensing probe of induction heating equipment generally need be installed in heater coil inside or near, and the powerful electromagnetic field of heater coil generation can make the conductive component self-heating of temperature-sensing probe and cause temperature-sensitive inaccurate, and this is technological difficulties of present industry.
As on February 22nd, 2006 publication number be " magnet controlled electromagnetic oven " Chinese patent of CN1737432A, its temperature-sensing probe is on the basis of the temperature-sensing probe of traditional resistor formula electric hot tray electric cooker, former ferromagnetic sleeve is changed by nonferromugnetic material make.Conductive components such as aluminium top cover on this scheme temperature-sensing element still can be changed the interference of electromagnetic field and self-heating.As on January 3rd, 2007 publication number be " a kind of electromagnetic oven temperature controlling device " Chinese patent of CN1889797A, be mainly to see through the downward heat conduction of circular hole that on panel, is provided with by nonmetallic graphite, thermistor is arranged on the below of graphite and carries out thermometric.The heat carrier of this scheme has been adopted and has been used nonmetallic graphite, but it is a conductor, also can respond to change the electromagnetic field heating and influence the temperature result of detection.In fact, industry exists such technology prejudice at present: only have ferromagnetic material or metal just can generate heat in the variation magnetic field.
In addition, also there is the deficiency of easy slip in the present used cooking container of induction heating equipment.
Summary of the invention
The above technical deficiency that the objective of the invention is to overcome above technology prejudice and solve existing induction heating equipment, and provide a kind of temperature-sensing element or temperature-sensing probe not to be subjected to electromagnetic interference, accurate, the supporting cooking container of temperature-sensitive to be difficult for the induction heating equipment that slides.
At first for above-mentioned technology prejudice, its in fact, every conductor all can be equivalent to closed coil, its inner magnetic flux is because of the magnetic field that changes changes, and all can produce to allow the induced current of self-heating, thereby cause thermometric inaccurate.
Again on this basis, further for achieving the above object:
A kind of induction heating equipment, it comprises:
The panel that contains the installation through hole that runs through;
Temperature-sensing element is arranged in the described installation through hole;
Heater coil is arranged under the described panel, is used to the magnetic field that changes, and it has cumulative insulation magnetic conductor;
Translation circuit, it provides variable-current for described heater coil;
Control part, it can control the output of described translation circuit according to the output of described temperature-sensing element;
At least one shielding insulation magnetic conductor is located between described temperature-sensing element and the described heater coil.
In above induction heating equipment, wherein, described shielding insulation magnetic conductor be two-layer more than.
In above induction heating equipment, wherein, described temperature-sensing element is arranged among the temperature-sensing probe, described temperature-sensing probe is located within the described installation through hole and can be projected on the described panel, described shielding insulation magnetic conductor is located at the sidepiece or the bottom of described temperature-sensing probe, or for being located between described temperature-sensing probe and the described heater coil.
In above induction heating equipment, wherein, also contain and to allow screw-type mounting connection structure or the buckle-type mounting connection structure of described temperature-sensing probe from the dismounting suitable for reading of described installation through hole.
In above induction heating equipment, wherein, the supporting cooking container that also comprises the top that can place described panel, but its outer bottom middle part is for being provided with the groove or the protruding pin of ring-type of the described temperature-sensing probe of jacket, the upper surface of described temperature-sensing probe is to upper process, and can coincide with the bottom surface of described groove or the built on stilts bottom surface in the protruding pin of described ring-type and contact, described supporting cooking container can be gerotor type or pressure type cooking container.
In above induction heating equipment, wherein, described temperature-sensing element is thermistor temperature-sensing element, electroheat pair temperature-sensing element, magnetic temperature-sensing element or infrared ray temperature-sensing element.
In above induction heating equipment, wherein, described shielding insulation magnetic conductor constitutes ring-type or tubular structure, and the projection of its vertical direction is between the vertical direction projection of the vertical direction projection of described temperature-sensing element and described heater coil.
In above induction heating equipment, wherein, described shielding insulation magnetic conductor is the cup-like structure that contains bottom surface and side.
In above induction heating equipment, wherein, described shielding insulation magnetic conductor and described cumulative insulation magnetic conductor are ferrite, and its together connected with each other or same being integral, and form the structure of section for " L " type or " U " type jointly.
In above induction heating equipment, wherein, the described temperature-sensing element circumferential position on described panel top is provided with waterproof ring.Waterproof ring can be panel groove or convex ridge, also can be other circulus that is higher than panel.
Beneficial effect of the present invention:
1. this induction heating equipment has overcome original technology prejudice, and by between temperature-sensing element and heater coil, establishing the shielding insulation magnetic conductor, can significantly reduce the interference of electromagnetic field to temperature-sensing element or temperature-sensing probe, thereby really realize the accurate purpose of temperature-sensitive, become the important technology important foundation of accurate temperature controlling, high-quality high intelligent cooking, practical.
2. on panel, be provided with waterproof ring, can effectively stop on the panel moisture to enter the middle part and enter installation through hole, the effect of tool sanitation and hygiene; Further, be provided with the temperature-sensing probe detaching structure, the user is the dismounting cleaning voluntarily, and well-designed is more practical.
3. the outer bottom at supporting cooking container is provided with groove or the protruding pin of ring-type, can be popped up temperature-sensing probe and carry out snap fit, can not slide, and the temperature-sensing probe upper surface is not influenced by panel moisture can yet, be skillfully constructed, realized thermometric more accurate stable, use safer beneficial effect.
4. this programme is simple in structure, with low cost, the wide model of purposes, accurate temperature detection thermometric that can this programme is the basis, realize really that people expect always boil water, milk nutrition cold sterilization (63 degrees centigrade heating 30 minutes), pressure cooker are used safely, cooked etc. the high Based Intelligent Control of automation.
Description of drawings
Fig. 1 is embodiments of the invention one structural representations;
Fig. 2 is the temperature-sensing probe of embodiments of the invention one and the structure for amplifying schematic diagram of mounting connection structure thereof;
Fig. 3 is the installation sleeve front elevational schematic of embodiments of the invention one;
Fig. 4 is the another kind of cooking container structural representation of embodiments of the invention one;
Fig. 5 is embodiments of the invention two structural representations;
Fig. 6 is the bottom schematic view of embodiments of the invention two used cooking containers.
Description of reference numerals:
1-cooking container 1a-groove
The protruding pin 1c-of 1b-ring-type bottom surface
The 2a-panel thermistor 2b-thermistor of popping one's head in
3-temperature-sensing probe 3a-heat conduction cap
3b-the 3rd shielding ferrite 3c-installation sleeve
3d-loose slot 3e-dismantles mouth
The 4-mount pad 5a-first shielding ferrite
The 5b-secondary shielding ferrite 5c-first cumulative ferrite
The 5d-second cumulative ferrite 6-heater coil
7-installs holder 8-aqueduct
9a-osculum 9b-delivery port
The 9c-lead 9d-connecting rod that portals portals
10-magnetic conduction screen 11-spring
12-panel 12a-capillary groove
13-magnetic temperature-sensing element 14-permanent magnet
The 15-connecting rod
Embodiment
First embodiment
As Fig. 1, Fig. 2, Fig. 3 and induction heating equipment shown in Figure 4, comprise: cooking container 1, panel 12 under it, run through and be arranged on panel 12 middle part temperature-sensing probes 3, the cup-shaped first shielding ferrite 5a, ring-type secondary shielding ferrite 5b between temperature-sensing probe 3 and the heater coil 6, the first cumulative ferrite 5c in the second cumulative ferrite 5d of heater coil 6 belows and the outside.Wherein, heater coil 6 is located in the plastic mounting holder 7 under it, and the middle part that holder 7 is installed also is that the below of the first shielding ferrite 5a provides support; Ring-type secondary shielding ferrite 5b is surrounded by the strip ferrite that polylith erect to be provided with, and it constitutes the structure that section is " U " type jointly with the second cumulative ferrite 5d and the first cumulative ferrite 5c; The bottom surface of panel 12 also closely contacts and is provided with panel thermistor 2a; The bottom of the first shielding ferrite 5a offers lead portal 9c and osculum 9a, and osculum 9a is in communication with the outside by aqueduct 8 and delivery port 9b; Be provided with spring 11 between the bottom of the temperature-sensing probe 3 and the first shielding ferrite 5a.
The outer bottom middle part of cooking container 1 is provided with groove 1a, and the bottom surface of groove 1a coincide with the heat conduction cap 3a at temperature-sensing probe 3 tops and contacts.Heat conduction cap 3a rear wall closely is fixed with probe thermistor 2b, and the outside of heat conduction cap 3a and bottom are sheathed with cup-shaped the 3rd shielding ferrite 3b.The outside portion of the 3rd shielding ferrite 3b also is socketed with tubular metal installation sleeve 3c, its hypomere and the mount pad 4 that is fixed on panel 12 installation through holes active card cover connection mutually, wherein, mount pad 4 is provided with the jam of protrusion, installation sleeve 3c then is provided with the curve draw-in groove that contains dismounting mouthful 3e and loose slot 3d, when dismantling, installation sleeve 3c can be pressed the middle part after rotation it can be mentioned.Probe thermistor 2b is provided with output lead, and its outsourcing is provided with magnetic conduction screen 10, portals 9c and goes out through lead jointly.
The groove 1a correspondence position of cooking container 1 inner bottom part can raise up as shown in Figure 1, also can be as shown in Figure 4 for not protruding.The also available flat cooking container that waits other.
Second embodiment
As Fig. 5 and induction heating equipment shown in Figure 6, comprise: cooking container 1, panel 12 under it, run through and be arranged on panel 12 middle part temperature-sensing probes, the cup-shaped first shielding ferrite 5a, ring-type secondary shielding ferrite 5b between temperature-sensing probe and the heater coil 6, the first cumulative ferrite 5c in the second cumulative ferrite 5d of heater coil 6 belows and the outside.Wherein, heater coil 6 is located in the plastic mounting holder 7 under it, and the middle part that holder 7 is installed also is that the below of the first shielding ferrite 5a provides support; Ring-type secondary shielding ferrite 5b is surrounded by the strip ferrite that polylith erect to be provided with, and it constitutes the structure that section is " U " type jointly with the second cumulative ferrite 5d and the first cumulative ferrite 5c; The bottom surface of panel 12 also closely contacts and is provided with panel thermistor 2a; The bottom of the first shielding ferrite 5a offers connecting rod portal 9d and osculum 9a, and osculum 9a is in communication with the outside by aqueduct 8 and delivery port 9b; Be provided with spring 11 between the bottom of the temperature-sensing probe and the first shielding ferrite 5a; Panel 12 upper surfaces are provided with ring-type capillary groove 12a.
The outer bottom middle part of cooking container 1 is provided with the protruding pin 1b of ring-type, and the bottom surface that the protruding pin 1b of ring-type surrounds coincide with the heat conduction cap 3a at temperature-sensing probe top and contacts.Heat conduction cap 3a rear wall closely is fixed with magnetic temperature-sensing element 13, and its below correspondence position is provided with the permanent magnet 14 of connecting rod 15, and between leave the space and also be provided with spring 11.The outside and the bottom of heat conduction cap 3a are sheathed with installation sleeve 3c, and magnetic temperature-sensing element 13 and permanent magnet 14 are wrapped in interior.The lower ends downward of connecting rod 15 is extended and is connected in the touch switch (not shown) of bottom by the connecting rod that the first shielding ferrite 5a bottom the is offered 9d that portals.
Above embodiment only is used to illustrate technical scheme of the present invention and is unrestricted, to the modification of technical scheme of the present invention, be equal to replacement, and do not break away from the spirit and scope of technical solution of the present invention.
Claims (10)
1. induction heating equipment, its feature comprises:
The panel that contains the installation through hole that runs through;
Temperature-sensing element is arranged in the described installation through hole;
Heater coil is arranged under the described panel, is used to the magnetic field that changes, and it has cumulative insulation magnetic conductor;
Translation circuit, it provides variable-current for described heater coil;
Control part, it can control the output of described translation circuit according to the output of described temperature-sensing element;
At least one shielding insulation magnetic conductor is located between described temperature-sensing element and the described heater coil.
2. induction heating equipment as claimed in claim 1 is characterized in that, described shielding insulation magnetic conductor be two-layer more than.
3. induction heating equipment as claimed in claim 1, it is characterized in that, described temperature-sensing element is arranged among the temperature-sensing probe, described temperature-sensing probe is located within the described installation through hole and can be projected on the described panel, described shielding insulation magnetic conductor is located at the sidepiece or the bottom of described temperature-sensing probe, or for being located between described temperature-sensing probe and the described heater coil.
4. induction heating equipment as claimed in claim 3 is characterized in that, also contains to allow screw-type mounting connection structure or the buckle-type mounting connection structure of described temperature-sensing probe from the dismounting suitable for reading of described installation through hole.
5. induction heating equipment as claimed in claim 3, it is characterized in that, the supporting cooking container that also comprises the top that can place described panel, but its outer bottom middle part is for being provided with the groove or the protruding pin of ring-type of the described temperature-sensing probe of jacket, the upper surface of described temperature-sensing probe is to upper process, and can coincide with the bottom surface of described groove or the built on stilts bottom surface in the protruding pin of described ring-type and contact, described supporting cooking container can be gerotor type or pressure type cooking container.
6. as each described induction heating equipment of claim 1～5, it is characterized in that described temperature-sensing element is thermistor temperature-sensing element, electroheat pair temperature-sensing element, magnetic temperature-sensing element or infrared ray temperature-sensing element.
7. induction heating equipment as claimed in claim 6, it is characterized in that, described shielding insulation magnetic conductor constitutes ring-type or tubular structure, and the projection of its vertical direction is between the vertical direction projection of the vertical direction projection of described temperature-sensing element and described heater coil.
8. induction heating equipment as claimed in claim 6 is characterized in that, described shielding insulation magnetic conductor is the cup-like structure that contains bottom surface and side.
9. induction heating equipment as claimed in claim 6 is characterized in that, described shielding insulation magnetic conductor and described cumulative insulation magnetic conductor are ferrite, and its together connected with each other or same being integral, and forms the structure of section for " L " type or " U " type jointly.
10. induction heating equipment as claimed in claim 6 is characterized in that, the described temperature-sensing element circumferential position on described panel top is provided with waterproof ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100404945A CN101932147A (en) | 2009-06-19 | 2009-06-19 | Induction heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100404945A CN101932147A (en) | 2009-06-19 | 2009-06-19 | Induction heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101932147A true CN101932147A (en) | 2010-12-29 |
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ID=43370959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100404945A Pending CN101932147A (en) | 2009-06-19 | 2009-06-19 | Induction heating device |
Country Status (1)
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| CN (1) | CN101932147A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631690A (en) * | 2011-02-14 | 2012-08-15 | 谢庆云 | Utensil for disinfecting by autologous heating and sensing heater |
| CN105078294A (en) * | 2015-08-31 | 2015-11-25 | 中山市伊丝顿电器有限公司 | Heating device for food processor |
| CN105823099A (en) * | 2016-05-20 | 2016-08-03 | 广东佳明电器有限公司 | Electromagnetic oven |
| CN107677384A (en) * | 2017-09-15 | 2018-02-09 | 华帝股份有限公司 | A kind of temperature-sensing probe, sensor and its gas-cooker |
| CN108135041A (en) * | 2018-01-29 | 2018-06-08 | 无锡桑普电器科技发展有限公司 | Heating member and induction water boiling device |
| CN109983840A (en) * | 2016-11-21 | 2019-07-05 | 三星电子株式会社 | Induction heating cooker and the method for showing its cooking information |
| CN111473369A (en) * | 2019-01-23 | 2020-07-31 | 浙江绍兴苏泊尔生活电器有限公司 | Temperature determination method and device and induction cooker |
-
2009
- 2009-06-19 CN CN2009100404945A patent/CN101932147A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631690A (en) * | 2011-02-14 | 2012-08-15 | 谢庆云 | Utensil for disinfecting by autologous heating and sensing heater |
| CN102631690B (en) * | 2011-02-14 | 2015-06-10 | 谢庆云 | Utensil for disinfecting by autologous heating and sensing heater |
| CN105078294A (en) * | 2015-08-31 | 2015-11-25 | 中山市伊丝顿电器有限公司 | Heating device for food processor |
| CN105823099A (en) * | 2016-05-20 | 2016-08-03 | 广东佳明电器有限公司 | Electromagnetic oven |
| CN105823099B (en) * | 2016-05-20 | 2018-09-11 | 广东佳明电器有限公司 | A kind of electromagnetic oven |
| CN109983840A (en) * | 2016-11-21 | 2019-07-05 | 三星电子株式会社 | Induction heating cooker and the method for showing its cooking information |
| CN109983840B (en) * | 2016-11-21 | 2022-04-26 | 三星电子株式会社 | Induction heating cooking apparatus and method of displaying cooking information thereof |
| CN107677384A (en) * | 2017-09-15 | 2018-02-09 | 华帝股份有限公司 | A kind of temperature-sensing probe, sensor and its gas-cooker |
| CN108135041A (en) * | 2018-01-29 | 2018-06-08 | 无锡桑普电器科技发展有限公司 | Heating member and induction water boiling device |
| CN108135041B (en) * | 2018-01-29 | 2024-03-26 | 无锡桑普电器科技发展有限公司 | Heating element and electromagnetic induction type water heater |
| CN111473369A (en) * | 2019-01-23 | 2020-07-31 | 浙江绍兴苏泊尔生活电器有限公司 | Temperature determination method and device and induction cooker |
| CN111473369B (en) * | 2019-01-23 | 2022-03-15 | 浙江绍兴苏泊尔生活电器有限公司 | Temperature determination method and device and induction cooker |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 528300 Guangdong province Foshan city Shunde District Daliang Street East Road, No. 8 Chang Yu Garden Applicant after: Zhang Huawen Address before: 525253 No. 1 Renmin South Road, Zhenjiang Town, Guangdong, Gaozhou Applicant before: Zhang Huawen |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 528300, No. 1, 1st floor, 1st Street, Dongming Road, Daliang street, Shunde District, Guangdong, Foshan Applicant after: Zhang Huawen Address before: 528300 Guangdong province Foshan city Shunde District Daliang Street East Road, No. 8 Chang Yu Garden Applicant before: Zhang Huawen |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101229 |