CN204363776U - A kind of heating arrangement of mini electric cooker - Google Patents
A kind of heating arrangement of mini electric cooker Download PDFInfo
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- CN204363776U CN204363776U CN201420829551.4U CN201420829551U CN204363776U CN 204363776 U CN204363776 U CN 204363776U CN 201420829551 U CN201420829551 U CN 201420829551U CN 204363776 U CN204363776 U CN 204363776U
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- heat
- conducting
- ptc heater
- conducting plate
- electric cooker
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Abstract
A kind of heating arrangement of mini electric cooker, comprise the inner bag be located in pot body, with the PTC heater be arranged on bottom inner bag, also comprise a heat-conducting plate and pressing plate, the upper surface of described heat-conducting plate and the outer bottom of inner bag are close to heat conduction, lower surface forms a heat-conducting planar, and pressing plate is pressed on PTC heater on heat-conducting planar by pinch mechanism.Heat-conducting plate of the present utility model is applicable to the inner bag that bottom surface is plane or cambered surface, and applied range, versatility are extremely strong; The processing of heat-conducting plate and pressing plate is easy, and yields is high, and cost is low; When PTC heater is fixed, infringement can not be produced to it, improve overall yields further, reduce overall cost further.
Description
Technical field
The utility model relates to a kind of heating arrangement of mini electric cooker.
Background technology
Chinese patent literature CN 202567744 U discloses a kind of calandria mounting structure of energy-saving type Miniature electric rice cooker on December 5th, 2012, comprise outer pot, inner bag, lid and electric heating body, inner bag is arranged in outer pot, electric heating body comprises heat-conducting plate, electric heating element and thermal insulation layer, heat-conducting plate is provided with and compresses chamber, described thermal insulation layer wraps electric heating element, they are pressed in the compression chamber of heat-conducting plate together, heat-conducting plate is provided with thermal conductive surface, at least two studs are extended bottom described inner bag, the corresponding every root stud position of heat-conducting plate has through hole, stud is spirally connected through through hole and nut, heat-conducting plate is pressed on bottom inner bag by nut, make to be close together bottom the thermal conductive surface of heat-conducting plate and inner bag, it is said, this kind of calandria mounting structure, be arranged on bottom inner bag because electrical heating system is close to by spiro connecting piece, overcome because using heat-conductive bonding agent, and cause electric heating body easily to get loose the deficiency even come off, make calandria directly heat is transferred to inner bag, reduce the waste of heat, realize energy-conservation effect.
Such calandria mounting structure, heat-conducting plate compresses PTC heater within it to form compression chamber by punching press, can only make flat, thus it can only be applied to the inner bag that bottom surface is pure-surface, and bottom surface is that the heat-conducting plate that the inner bag of arc surface cannot be straight with this fully contacts; And need could be formed by punching press owing to compressing chamber, stamping press easily washes out PTC heater, causes yields slightly poor, is unfavorable for cost-saving.
Therefore, also require further improvement.
Summary of the invention
The purpose of this utility model aims to provide a kind of heating arrangement of simple and reasonable, applied range, yields are high, cost is low mini electric cooker, to overcome weak point of the prior art.
The heating arrangement of a kind of mini electric cooker designed by this object, comprise the inner bag be located in pot body, with the PTC heater be arranged on bottom inner bag, its architectural feature is, also comprise a heat-conducting plate and pressing plate, the upper surface of described heat-conducting plate and the outer bottom of inner bag are close to heat conduction, and lower surface forms a heat-conducting planar, and pressing plate is pressed on PTC heater on heat-conducting planar by pinch mechanism.
Described pressing plate is formed by dull and stereotyped continuous bending, and middle part is groove, and outwards extend in left and right sides portion, arcuately; PTC heater is placed in the groove at middle part, and left and right sides portion is connected with pinch mechanism.
Described pressing plate is provided with one for entangling the flat sleeve of PTC heater, and the left and right sides of sleeve is connected with pinch mechanism.
Described PTC heater is positioned at the center of heat-conducting planar.
Described pinch mechanism is some groups of screw-in compressions of connection heat-conducting plate and pressing plate and presses nut; The upper surface that screw-in compression head embeds heat-conducting plate is fixed, and afterbody stretches out lower surface, then passes pressing plate and by pressing nut, pressing plate be pressed on PTC heater on heat-conducting planar.
The outer rim place of the corresponding PTC heater of described heat-conducting plate is provided with spacing block set.
Thermal conductive silicon lipid layer is provided with between the outer bottom of described inner bag and the upper surface of heat-conducting plate and/or between heat-conducting planar and PTC heater.
Described heat-conducting plate is fixedly connected with the outer bottom of inner bag by welding.
Described heat-conducting plate is also provided with for the fixed bolt fixing with bottom of pot body, the upper surface of the head embedding heat-conducting plate of fixed bolt is fixed, and afterbody stretches out lower surface, then by hold-down screw, bottom of pot body and fixed bolt is fixed.
Described heat-conducting plate is also fixed with temperature controller.
The utility model has following beneficial effect:
Heat-conducting plate is applicable to the inner bag (the inner bag heating surface area of the latter is larger, and the thermal efficiency is higher, and processing is easier, and anti-paste better effects if) that bottom surface is plane or cambered surface, and applied range, versatility are extremely strong; The processing of heat-conducting plate and pressing plate is easy, and yields is high, and cost is low; When PTC heater is fixed, infringement can not be produced to it, improve overall yields further, reduce overall cost further; Heat-conducting plate can also be fixedly connected with by the bottom of independent fixed bolt with pot body, effectively avoids the heat of PTC heater directly to conduct the bottom with pot body, avoids its junction to melt because of high temperature.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram (analysing and observe) that the utility model one implements pot body, inner bag and PTC heater.
Fig. 2 is the stereogram that the utility model one implements the assembling of pot body, inner bag and PTC heater.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1-Fig. 2, the heating arrangement of this mini electric cooker, comprise the inner bag 1 be located in pot body 5, with the PTC heater 2 be arranged on bottom inner bag 1, also comprise a heat-conducting plate 3 and pressing plate 4, the upper surface of heat-conducting plate 3 and the outer bottom of inner bag 1 are close to heat conduction, be applicable to the inner bag 1 that bottom surface is plane or cambered surface, lower surface forms a heat-conducting planar 31, pressing plate 4 is pressed on PTC heater 2 on heat-conducting planar 31 by pinch mechanism, when PTC heater 2 is fixed, can not produce infringement to it, the further yields improving entirety, reduces overall cost further.
Further, pressing plate 4 is formed by dull and stereotyped continuous bending, and middle part is groove, and outwards extend in left and right sides portion, arcuately; PTC heater 2 is placed in the groove at middle part, and left and right sides portion is connected with pinch mechanism.Pressing plate can also replace in order to lower scheme, and this pressing plate is provided with one for entangling the flat sleeve of PTC heater 2, and the left and right sides of sleeve is connected with pinch mechanism, and those skilled in the art all can understand.
Further, PTC heater 2 is positioned at the center of heat-conducting planar 31, makes being heated of inner bag 1 more even.
Further, pinch mechanism is the some groups of screw-in compressions 33 of connection heat-conducting plate 3 and pressing plate 4 and presses nut (not marking in figure); The upper surface that screw-in compression 33 head embeds heat-conducting plate 3 is fixed, and afterbody stretches out lower surface, then passes pressing plate 4 and by pressing nut, pressing plate 4 be pressed on PTC heater 2 on heat-conducting planar 31.
Further, the outer rim place of the corresponding PTC heater 2 of heat-conducting plate 3 is provided with spacing block set 32, prevents it to be shifted.
Further, thermal conductive silicon lipid layer (not marking in figure) is provided with between the outer bottom of inner bag 1 and the upper surface of heat-conducting plate 3 and/or between heat-conducting planar 31 and PTC heater 2, to increase heat conductivility.
Further, heat-conducting plate 3 is fixedly connected with the outer bottom of inner bag 1 by welding.
Further, heat-conducting plate 3 is also provided with for pot body 5 bottom fixing fixed bolt 34, the upper surface that the head of fixed bolt 34 embeds heat-conducting plate 3 is fixed, and afterbody stretches out lower surface, then makes to fix with fixed bolt 34 bottom pot body 5 by hold-down screw.Be fixedly connected with the bottom of pot body 5 by independent fixed bolt 34, effectively avoid the heat of PTC heater 2 directly to conduct the bottom with pot body 3, avoid its junction to melt because of high temperature.
Further, heat-conducting plate 3 is also fixed with temperature controller 6, temperature controller 6 can adopt similar aforesaid pinch mechanism to be fixed.
The mode of preferred weld etc. can fix between inner bag 1 of the present utility model, heat-conducting plate 3, screw-in compression 33, fixed bolt 34, process convenient.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. the heating arrangement of a mini electric cooker, comprise the inner bag (1) be located in a pot body (5), with the PTC heater (2) being arranged on inner bag (1) bottom, it is characterized in that, also comprise a heat-conducting plate (3) and pressing plate (4), the upper surface of described heat-conducting plate (3) and the outer bottom of inner bag (1) are close to heat conduction, and lower surface forms a heat-conducting planar (31), and pressing plate (4) is pressed on PTC heater (2) on heat-conducting planar (31) by pinch mechanism.
2. the heating arrangement of mini electric cooker according to claim 1, it is characterized in that: described pressing plate (4) is formed by dull and stereotyped continuous bending, middle part is groove, and outwards extend in left and right sides portion, arcuately; PTC heater (2) is placed in the groove at middle part, and left and right sides portion is connected with pinch mechanism.
3. the heating arrangement of mini electric cooker according to claim 1, is characterized in that: described pressing plate is provided with one for entangling the flat sleeve of PTC heater (2), and the left and right sides of sleeve is connected with pinch mechanism.
4. the heating arrangement of mini electric cooker according to claim 1, is characterized in that: described PTC heater (2) is positioned at the center of heat-conducting planar (31).
5. the heating arrangement of mini electric cooker according to any one of claim 1-4, is characterized in that: described pinch mechanism be connect heat-conducting plate (3) and pressing plate (4) some groups of screw-in compressions (33) and press nut; The upper surface that screw-in compression (33) head embeds heat-conducting plate (3) is fixed, and afterbody stretches out lower surface, then passes pressing plate (4) and by pressing nut, pressing plate (4) be pressed on PTC heater (2) on heat-conducting planar (31).
6. the heating arrangement of mini electric cooker according to claim 1, is characterized in that: the outer rim place of the corresponding PTC heater (2) of described heat-conducting plate (3) is provided with spacing block set (32).
7. the heating arrangement of mini electric cooker according to claim 1, is characterized in that: be provided with thermal conductive silicon lipid layer between the outer bottom of described inner bag (1) and the upper surface of heat-conducting plate (3) and/or between heat-conducting planar (31) and PTC heater (2).
8. the heating arrangement of mini electric cooker according to claim 1, is characterized in that: described heat-conducting plate (3) is fixedly connected with the outer bottom of inner bag (1) by welding.
9. the heating arrangement of mini electric cooker according to claim 1, it is characterized in that: described heat-conducting plate (3) is also provided with for the fixed bolt (34) fixing with pot body (5) bottom, the upper surface of head embedding heat-conducting plate (3) of fixed bolt (34) is fixed, afterbody stretches out lower surface, then by hold-down screw, a pot body (5) bottom is fixed with fixed bolt (34).
10. the heating arrangement of mini electric cooker according to claim 1, is characterized in that: described heat-conducting plate (3) is also fixed with temperature controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829551.4U CN204363776U (en) | 2014-12-24 | 2014-12-24 | A kind of heating arrangement of mini electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829551.4U CN204363776U (en) | 2014-12-24 | 2014-12-24 | A kind of heating arrangement of mini electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204363776U true CN204363776U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420829551.4U Expired - Fee Related CN204363776U (en) | 2014-12-24 | 2014-12-24 | A kind of heating arrangement of mini electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204363776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973445A (en) * | 2019-12-05 | 2020-04-10 | 广州大学 | Quick thawing apparatus of phase transition |
-
2014
- 2014-12-24 CN CN201420829551.4U patent/CN204363776U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973445A (en) * | 2019-12-05 | 2020-04-10 | 广州大学 | Quick thawing apparatus of phase transition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170224 Address after: 528305 Guangdong City, Shunde District, Ronggui, the end of the first floor of the tea house, the west side of the first floor, No. 9, Foshan Patentee after: Shunde City, Foshan District Electric Co., Ltd. Chun Li Address before: 431928 Jingmen city of Hubei province Zhongxiang City Old Town Village Agricultural Group No. 12 Patentee before: Peng Qiangdong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20181224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |