CN200942013Y - Ceramic electric cooker with energy-saving heat-transfer device - Google Patents
Ceramic electric cooker with energy-saving heat-transfer device Download PDFInfo
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- CN200942013Y CN200942013Y CN 200620063890 CN200620063890U CN200942013Y CN 200942013 Y CN200942013 Y CN 200942013Y CN 200620063890 CN200620063890 CN 200620063890 CN 200620063890 U CN200620063890 U CN 200620063890U CN 200942013 Y CN200942013 Y CN 200942013Y
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Abstract
The utility model relates to a ceramic electrical heat cooker field, in particular to a ceramic electric rice pot with an energy-saving and heat-conducting device. The ceramic electric rice pot comprises a pot body, a ceramic inner, a heating element and a thermal-sensitive temperature-measuring device. The ceramic inner is positioned inside the pot body, and an empty chamber is arranged at the center of the pot body. The thermal-sensitive temperature-measuring device is arranged inside the empty chamber, and the heating element is positioned at the bottom of the ceramic inner. A support inner layer and a heat conducting device are arranged between the pot body and the ceramic inner. The utility model overcomes the defect of existing technology, and has the advantages of heat preservation, energy saving, high thermal efficiency, even heat conduction. The sample temperature of the thermal-sensitive temperature-measuring device are free from the influence of high-temperature airflow, matching with the special structure of the ceramic inner, the utility model is characterized in that: the heat insulation and heat preservation as well as the heat conduction structure are reasonable.
Description
Technical field
The utility model relates to ceramic electric heating cooker field, particularly a kind of ceramic electric cooker with energy-conservation heat transfer unit (HTU).
Background technology
At present, be that slow owing to the heat transfer rate that ceramic liner itself is intrinsic, thermal coefficient of expansion is little, the characteristic of the easy explosion of high temperature heat transfer in the disclosed technology of ceramic electric heating cooker product such as the electric cooker of inner bag, quick boccaro soup pot, ceramic electric heating pot with the pottery.Therefore, solve the inhomogeneous generation explosion of conducting heat of ceramic electric heating cooker product, the high temperature heating is with raising speed, prevent that the too high and temperature detector of skin temperature is subjected to the interference of high temperature gas flow, avoid too early tripping operation, guarantee cooking effect, these conduct heat and the contradiction that is incubated, and are still the technical barrier that industry does not thoroughly solve as yet.
Patent 91208840.0 electric cookers far-infrared electric dish, 01258238.7 1 kinds of energy-saving safety types of patent electric cooker, patent 200420095940.5 has the electric cooker of improvement heater etc., its technical scheme reduces cost from energy-conservation, heater all is arranged among loam cake and the bottom (or inside and outside cover), utilization is gone to the bottom to cover and is done reflection or establish heat-insulation layer below heater, but the loam cake bottom (or inside and outside cover) of these heat-generating discs is metal material and links together, when so heater conducts heat to loam cake (or inner cover), bottom (or outer cover) also is heated simultaneously and conducts heat to product casing, and its effect of heat insulation at most only plays partial action; Because heat-generating disc centre bore cavity is not forced provision for thermal insulation, the sample temperature of control cooking effect must be subjected to the interference of high thermal current simultaneously, and these schemes obviously are not suitable for this field.
Patent 200520057519.X electric cooker, patent 200420094037.7 ceramic liner electric cookers etc., its technical scheme is to adopt the mode of indirect heat transfer: heater--heat transfer aluminium dish--ceramic liner.Solved the defective that heat-generating disc and ceramic liner burn out.But owing to heat transfer aluminium dish is not established provision for thermal insulation, if embodiment in the low-temperature heat mode, must be a cost with the sacrifice time, just like " stewing pot slowly "; If embodiment is with the high temperature mode of heating, heat transfer rate can be improved, but product middle level and the shell too high formation potential safety hazard of being heated must be made, force its corresponding forced ventilation heat dissipation of taking, reduced the thermal efficiency so more and wasted energy.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that above-mentioned prior art exists, a kind of heat preservation energy-saving to be provided, and thermal efficiency height conducts heat evenly the ceramic electric cooker with energy-conservation heat transfer unit (HTU) that temperature-sensitive temperature detector sample temperature is not disturbed by high temperature gas flow.
The technical scheme taked of the utility model is for achieving the above object: this ceramic electric cooker with energy-conservation heat transfer unit (HTU) comprises a pot body, ceramic liner, heater and temperature-sensitive temperature detector, ceramic liner is located in pot body, pot body centre bit is equipped with a cavity, the temperature-sensitive temperature detector is installed in the cavity, heater is positioned at the bottom of ceramic liner, also is provided with between described pot body and the ceramic liner and supports internal layer and heat transfer unit (HTU).
A chain-wales is established along periphery in the crook in its outer downside of described ceramic liner, and its bottom is big radian.
Described heat transfer unit (HTU) is installed on the support internal layer of curved bottom of ceramic liner, by heater, loam cake, bottom and one deck thermal insulation layer, binding post and fastening bolt constitute at least, be followed successively by loam cake from the inside to surface, one deck thermal insulation layer and bottom form an annular groove at least, the annular groove centre bit is equipped with a cavity, form the high temperature cavity between annular groove and the ceramic liner bottom, ringwise heater is installed in the annular groove and with binding post by fastening bolt and is connected.
Described thermal insulation layer is that upper strata ceramic wafer, middle thermal insulation layer and lower floor's ceramic wafer constitute.
The bottom of described heat transfer unit (HTU) still has a through hole at least except that bolt hole and binding post hole.
Described loam cake and bottom are provided with heat insulation gap at the edge in interior outside joint, and this joint is selected arbitrfary point and any form except that the bottom surface of high temperature cavity and bottom.
Gap between described heat transfer unit (HTU) and the support internal layer is 2mm at least.
Described fastening bolt and heater junction are provided with the heat insulation porcelain ring of spill, are provided with annular heat insulation porcelain ring with support internal layer junction.
The temperature detector bearing is installed in the described cavity, and the temperature-sensitive temperature detector is adorned thereon and temperature probe stretches out and ceramic liner bottom surface Elastic Contact.
Leave 2mm gap at least between described temperature detector bearing and the heat transfer unit (HTU) inwall.
The utility model compared with prior art has following advantage:
1, the utility model ceramic electric cooker is set up heat transfer unit (HTU), and the multilayer insulation insulation construction of this heat transfer unit (HTU) is connected fastening setting and cooperates with the organic of ceramic liner structure with heat insulation, can effectively prevent to expel the heat-evil; The loam cake bottom does not link to each other and does not conduct heat mutually, the loam cake of experiencing high temperature cavity heat energy is wrapped up in the not enough gross area 10% that is exposed at the heat transfer unit (HTU) outside, through with leak heat energy after contacting of ceramic liner further absorbs still less, therefore 90% above heat energy be retained in the high temperature cavity and pass to above the ceramic liner of food container, improved the thermal efficiency greatly, realized that validity is energy-conservation.
2, the big radian of ceramic liner lower bottom part reduces the structure that internal stress increases heat transfer area, but what contact with high temperature cavity heat energy is subjected to 40% of area Dasheng thing surface, substantially reach the criterion of uniformly transfer heat, avoid ceramic liner to be hardening cracked, do not add water dry combustion method to 350 ℃ not explosion through actual measurement; As adjust the height that heat transfer unit (HTU) cooperates with ceramic liner, but be subjected to 85% of warm area Dasheng thing surface.
3, the multilayer insulation measure of this heat transfer unit (HTU) center cavity wall, and the bottom surface that is chosen in the support internal layer of lower temperature or bottom is provided with the design that the temperature detector bearing is installed the temperature-sensitive temperature detector, guarantee that effectively temperature detector is not subjected to the influence of high temperature cavity thermal current, guarantee cooking effect.
4, ceramic liner descends the crook along the small boss that periphery is provided with outward, prevents that spilling water from flowing into the high temperature cavity, and the heat energy that the high temperature cavity is further reduced in the path that changes thermal current leaks.
5, heat transfer unit (HTU) and ceramic liner structure and temperature-sensitive temperature detector are installed in the composite design of temperature detector bearing of the bottom surface of the support internal layer of low temperature or bottom, and heat-insulation and heat-preservation and heat transfer structure are managed entirely.The technical conditions that the utility model reaches a high temperature and moves, the highest heating temperature of product casing is lower than 75 ℃, reaches energy-efficient technical merit fast and safely.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
The utility model comprises pot body 1, ceramic liner 2, pot cover 3, heater 6, temperature-sensitive temperature detector 7, temperature controller 8, heat transfer unit (HTU) 18 and supports internal layer 4 as shown in Figure 1, ceramic liner 2 is installed in pot body 1, be equipped with between pot body 1 and the ceramic liner 2 and support internal layer 4, the crook is provided with a chain-wales 5 along periphery in the outer downside of ceramic liner 2, in order to anti-overflow and change air-flow, its bottom is big radian, and purpose is to reduce internal stress, increases surface area.Described heat transfer unit (HTU) 18 is installed on the support internal layer 4 of curved bottom of ceramic liner 2, leave the gap 28 of 2mm at least between heat transfer unit (HTU) and the support internal layer, heat transfer unit (HTU) 18 is by upper strata ceramic wafer 13, lower floor's ceramic wafer 14, middle thermal insulation layer 16 multilayer insulation insulation material such as grade and loam cakes 11, bottom 12, binding post 15 and fastening bolt 19 constitute, be followed successively by loam cake 11 from the inside to surface, upper strata ceramic wafer 13, middle thermal insulation layer 16, lower floor's ceramic wafer 14 and bottom 12 form an annular groove 25, annular groove 25 centre bits are equipped with a cavity 24, form high temperature cavity 22 between annular groove 25 and ceramic liner 2 bottoms, ringwise heater 6 is installed in the annular groove 25 and with binding post 15 by fastening bolt 19 and is connected.Fastening bolt 19 is provided with the heat insulation porcelain ring 21 of spill with heater 6 junctions, is provided with annular heat insulation porcelain ring 20 with support internal layer 4 junctions.Described high temperature cavity 22 is the unique heat transfer paths of pyrotoxin and ceramic liner 2, and all the other seal by loam cake 11, bottom 12, upper strata ceramic wafer 18, middle thermal insulation layer 16 and lower floor's ceramic wafer 14.Between loam cake 11 and the bottom 12 set thermal insulation layer can be one deck, two-layer or two-layer more than.In the bottom of heat transfer unit (HTU) 18, except two binding post holes 27 of three bolts hole 26 of fastening bolt 19 and binding post 15, at least also to leave a through hole.Described loam cake 11 has a heat insulation gap 23 with bottom 12 at the edge in interior outside joint, and the two does not link to each other, and its objective is to prevent that loam cake 11 from conducting heat to bottom 12, and causes the loss of heat energy.This joint can be selected arbitrfary point and any form except that the bottom surface of high temperature cavity 22 and bottom 12.In the described cavity 24 temperature detector bearing 17 is installed, this temperature detector and temperature detector bearing 17 can be connected and fixed with the bottom surface of heat transfer unit (HTU) bottom, also can be installed in and support on the internal layer 4, leave the gap 9 of 2mm between the inwall of temperature detector bearing 17 and heat transfer unit (HTU) 18, being convenient to temperature detector bearing 17 therefrom passes, temperature-sensitive temperature detector 7 is adorned thereon, and temperature probe stretches out and ceramic liner 2 bottom surface Elastic Contact.
In ceramic electric cooker when work, because the multilayer insulation insulation construction of heat transfer unit (HTU) is connected fastening setting and cooperates with the organic of ceramic liner structure with heat insulation, prevented leaking of heat effectively, reaches purpose of energy saving.In addition,, therefore be not subjected to the influence of high temperature cavity thermal current, guarantee cooking effect because the temperature-sensitive temperature detector is installed in the support internal layer of lower temperature.
Claims (10)
1, a kind of ceramic electric cooker with energy-conservation heat transfer unit (HTU) comprises a pot body, ceramic liner, heater and temperature-sensitive temperature detector, ceramic liner is located in pot body, pot body centre bit is equipped with a cavity, the temperature-sensitive temperature detector is installed in the cavity, heater is positioned at the bottom of ceramic liner, it is characterized in that: also be provided with between described pot body (1) and the ceramic liner (2) and support internal layer (4) and heat transfer unit (HTU) (18).
2, according to the described ceramic electric cooker with energy-conservation heat transfer unit (HTU) of claim 1, it is characterized in that: a chain-wales (5) is established along periphery in the crook in its outer downside of described ceramic liner (2), and its bottom is big radian.
3, according to claim 1 or 2 described ceramic electric cookers with energy-conservation heat transfer unit (HTU), it is characterized in that: described heat transfer unit (HTU) (18) is installed on the support internal layer (4) of curved bottom of ceramic liner (2), by heater (6), loam cake (11), bottom (12) reaches one deck thermal insulation layer at least, binding post (15) and fastening bolt (19) constitute, be followed successively by loam cake (11) from the inside to surface, at least one deck thermal insulation layer and bottom (12) form an annular groove (25), annular groove (25) centre bit is equipped with a cavity (24), form high temperature cavity (22) between annular groove (25) and ceramic liner (2) bottom, ringwise heater (6) is installed in the annular groove (25) and with binding post (15) by fastening bolt (19) and is connected.
4. according to the described ceramic electric cooker with energy-conservation heat transfer unit (HTU) of claim 3, it is characterized in that: described thermal insulation layer is that upper strata ceramic wafer (13), middle thermal insulation layer (16) and lower floor's ceramic wafer (14) constitute.
5, according to the described ceramic electric cooker with energy-conservation heat transfer unit (HTU) of claim 3, it is characterized in that: the bottom of described heat transfer unit (HTU) (18) still has a through hole at least except that bolt hole (26) and binding post hole (27).
6, according to the described ceramic electric cooker of claim 3 with energy-conservation heat transfer unit (HTU), it is characterized in that: described loam cake (11) is provided with heat insulation gap (23) with bottom (12) at the edge in interior outside joint, and this joint is selected arbitrfary point and any form except that the bottom surface of high temperature cavity (22) and bottom (12).
7, according to the described ceramic electric cooker with energy-conservation heat transfer unit (HTU) of claim 3, it is characterized in that: the gap (28) between described heat transfer unit (HTU) (18) and the support internal layer (4) is 2mm at least.
8, according to the described ceramic electric cooker of claim 3 with energy-conservation heat transfer unit (HTU), it is characterized in that: described fastening bolt (19) is provided with the heat insulation porcelain ring of spill (21) with heater (6) junction, is provided with annular heat insulation porcelain ring (20) with support internal layer (4) junction.
9, according to claim 1 or 2 described ceramic electric cookers with energy-conservation heat transfer unit (HTU), it is characterized in that: temperature detector bearing (17) is installed in the described cavity (24), and temperature-sensitive temperature detector (7) is adorned thereon and probe stretches out and ceramic liner (2) bottom surface Elastic Contact.
10, according to the described ceramic electric cooker of claim 9, it is characterized in that: leave the gap of 2mm (9) at least between described temperature detector bearing (17) and heat transfer unit (HTU) (18) inwall with energy-conservation heat transfer unit (HTU).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620063890 CN200942013Y (en) | 2006-09-01 | 2006-09-01 | Ceramic electric cooker with energy-saving heat-transfer device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620063890 CN200942013Y (en) | 2006-09-01 | 2006-09-01 | Ceramic electric cooker with energy-saving heat-transfer device |
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| CN200942013Y true CN200942013Y (en) | 2007-09-05 |
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| CN 200620063890 Expired - Fee Related CN200942013Y (en) | 2006-09-01 | 2006-09-01 | Ceramic electric cooker with energy-saving heat-transfer device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695427B (en) * | 2009-10-10 | 2011-01-05 | 施军达 | Pottery-structure slow cooker |
| CN104248332A (en) * | 2013-06-27 | 2014-12-31 | 美的集团股份有限公司 | Stew pan |
| CN104720566A (en) * | 2015-04-07 | 2015-06-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
| CN104720567A (en) * | 2015-04-07 | 2015-06-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
| CN109199125A (en) * | 2017-07-07 | 2019-01-15 | 浙江苏泊尔家电制造有限公司 | Interior pot, electric cooker and electric pressure cooking saucepan |
| CN109998362A (en) * | 2019-04-24 | 2019-07-12 | 广东华源电器有限公司 | A kind of Multifunctional straight fire casserole steamed rice in clay pot electric cooker |
-
2006
- 2006-09-01 CN CN 200620063890 patent/CN200942013Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695427B (en) * | 2009-10-10 | 2011-01-05 | 施军达 | Pottery-structure slow cooker |
| CN104248332A (en) * | 2013-06-27 | 2014-12-31 | 美的集团股份有限公司 | Stew pan |
| CN104720566A (en) * | 2015-04-07 | 2015-06-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
| CN104720567A (en) * | 2015-04-07 | 2015-06-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
| CN109199125A (en) * | 2017-07-07 | 2019-01-15 | 浙江苏泊尔家电制造有限公司 | Interior pot, electric cooker and electric pressure cooking saucepan |
| CN109998362A (en) * | 2019-04-24 | 2019-07-12 | 广东华源电器有限公司 | A kind of Multifunctional straight fire casserole steamed rice in clay pot electric cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070905 Termination date: 20100901 |