CN2738161Y - Heater for liquid heating container - Google Patents
Heater for liquid heating container Download PDFInfo
- Publication number
- CN2738161Y CN2738161Y CNU2004200363986U CN200420036398U CN2738161Y CN 2738161 Y CN2738161 Y CN 2738161Y CN U2004200363986 U CNU2004200363986 U CN U2004200363986U CN 200420036398 U CN200420036398 U CN 200420036398U CN 2738161 Y CN2738161 Y CN 2738161Y
- Authority
- CN
- China
- Prior art keywords
- heat transfer
- transfer piece
- heating member
- base plate
- described heater
- 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 - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21041—Water-boiling vessels, e.g. kettles electrically heated with heating elements arranged outside the water vessel
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21066—Details concerning the mounting thereof in or on the water boiling vessel
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Control Of Resistance Heating (AREA)
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Cookers (AREA)
- Surface Heating Bodies (AREA)
Abstract
The utility model relates to a heater(2) for a liquid heating container, which comprises a base board(4) used to form at least one part of the base of a container. A heating element(6) with a sheath in the shape of an approximate arc is directly connected with the bottom of the base board(4). A heat transfer element(10) thermally contacts with the base board(4) well, and the heat transfer element(10) contacts with the lateral face of the sheath(6) of the heating element, and is arranged to extend around parts of paths of the lateral wall of the sheath(6) of the heating element. The heat transfer element(10) delimits at least one area(12), and the area(12) is used to contain a heat sensor used to detect the heating element(6) to overheat or not.
Description
Technical field
The utility model relates to a kind of a kind of heating vessel, particularly but be not limited to a kind of heater of at least a portion of bottom of water boil container of being suitable for constituting.
Background technology
In recent years, the cost of manufacture of the bottom that is heated of heating vessel descends, but still needs further to reduce cost of manufacture.
The applicant recognizes that a key factor of the cost of this class heater is the aluminium heat transfer plate that is arranged on usually between heater base plate and the actual heating member.For heat from heating member passed this bottom, particularly in order to guarantee that heat is enough to flow on the heat sensor so that heat sensor at heater for example because dry combustion method and work when overheated, so this class heat transfer plate was considered to essential in the past.
Summary of the invention
A purpose of the present utility model is that its security performance does not reduce in the cost of manufacture that reduces baffle heater.
According to first aspect of the present utility model, a kind of heater that is used for heating vessel is provided, comprise the base plate of at least a portion of the bottom that constitutes described container; Directly be contained on the bottom surface of described base plate, general curved band sheath heating member; And with described base plate and the good thermo-contact of this sheath, only along the heat transfer piece in this sheath sidewall expandable part path, described heat transfer piece further defines at least one zone, and this zone is used for assembling the zone of the overheated heat sensor that detects this heating member.
Therefore, those of ordinary skills are not difficult to find out that according to the utility model, heat transfer piece only is positioned at the side of this sheath and stretches a part of path along it.The applicant finds, such layout is enough to that institute's calorific requirement passed this bottom and guarantees the operate as normal of overheat sensor and need not also can not extend in below the actual heating member on the whole heated portion that heat transfer piece extends in this bottom.The gross area that this means heat transfer piece reduces, thereby material cost reduces.
Heat transfer piece needn't be single piece, but can comprise two or more parts, and these parts can contact with each other, and also can not contact.
The radially outer of part or all be positioned in band sheath heating member of heat transfer piece.But in this preferred embodiment, it is positioned at heating member inside and contacts with the radially inner side wall of heating member.This is convenient to the controller series of arranging that the applicant is current most, and can make the size minimum of heating member.
According to above-mentioned the utility model, the angle extending range of heat transfer piece is littler than actual heating member.In general, the angle extending range of band sheath heating member is about 270 °, therefore according to the angle extending range of the utility model heat transfer piece less than 270 °, preferably less than 240 °, better between about 200 °-220 °.
Heat transfer piece can be any suitable shape.For example, heat transfer piece can be circular, and this circle has string or cuts one section annular sector simultaneously.But heat transfer piece is preferably totally c-shaped.This helps obtaining optimum balance between the total surface area of the contact angle of sheath and heat transfer piece and heat transfer piece.In fact, the applicant finds, if overall c-shaped heat transfer piece is provided, be the zone that the part of heat transfer piece is not radially inwardly covered by heat transfer piece on the base plate, even then the angle extending range of the heat transfer piece angular dimension that is increased to the heating member that is equal to or greater than the band sheath also can be realized above-mentioned advantage.
Therefore according to another aspect of the present utility model, provide a kind of heater that is used for heating vessel, comprise the base plate of at least a portion of the bottom that constitutes described container; Directly be contained in the band sheath heating member on the bottom surface of described base plate; And with the heat transfer piece of the good thermo-contact of described base plate, this heat transfer piece is also around the sidewall setting of this sheath and well contact with it, from the face inside zone that does not have heat transfer piece on this base plate at least in part, described heat transfer piece further defines at least one zone that is used for assembling overheat sensor.
Those of ordinary skills are not difficult to find out that of the present utility model this both can use O shape heat transfer piece on the one hand, also can use C shape heat transfer piece.But these explanations should not stick to the literal meaning, and for example the uncovered area of the inner radial of base plate must not comprise base plate central authorities, although preferably include base plate central authorities.
Heat transfer piece also can be positioned at the heating member radially outer as mentioned above, and at this moment above-mentioned do not have the zone of heat transfer piece can comprise heating member.But preferably heat transfer piece is positioned within the heating member, thereby radially contacts the madial wall of heating member sheath.
In preferred embodiment of the present utility model, heat transfer piece is totally c-shaped.In these preferred embodiments, preferably, preferably two ends are wideer than remainder at least one end in the two circumferential opposite ends of heat transfer piece, thereby overheat sensor such as bimetallic actuator can be installed.
In preferred embodiment of the present utility model, heat transfer piece is about the center line symmetry.This makes heat transfer piece to be made of two identical independent sectors of shape.This is favourable, because this means, but the identical smaller portions that methods such as punching press, mold pressing or cutting are made, thus thereby simplify the making of heat transfer piece and further reduce cost of manufacture.In special preferred embodiment, the shape of each of heat transfer piece half one makes them be combined into pattern at least in part.This can improve the utilization rate of the metal stock that is used for cutting the sheet heat transfer piece.
According to above-mentioned all aspects of the present utility model, base plate has at least one zone not covered by heat transfer piece within the heating member sheath.On this uncovered area the boss that is used for assembling control piece and/or connector can be arranged.Preferably all these class boss all are arranged in this zone.This is favourable, because this can all be connected heating member sheath, heat transfer piece and boss on this base plate by for example soldering, although this is not main concerning the utility model.
In some preferred embodiment, band sheath heating member is contained in the dimple (looking from the bottom surface) in the base plate.This helps the location of heating member before soldering, also can increase the contact area between band sheath heating member and the base plate, thereby improves from the heat transfer of heating member to liquid in the normal heating process, thereby reduces the running temperature and the thermal stress of heating member.
Heat transfer piece also can be contained in this dimple.But heat transfer piece preferably is positioned at the dimple outside, makes heat transfer piece contact heating member on the different vertical part of the wall of sheath.For example, heat transfer piece can be substantially flush with heating member.
In a special preferred embodiment, this dimple conforms to the shape of heating member.This can bring into play above-mentioned two advantages the biglyyest, need not to use the mask sheet to be convenient to selectively implement apply at the corresponding ledge on the side of fluid of this heater simultaneously thereon, for example the described noise abatement coating of GB-A-2386532.As described at our application No.GB0403954.1 of common pending trial, on the part of the heater above this heating member, selectively be coated with the noise abatement coating and help reducing dry combustion method and disturb.
Description of drawings
Below in conjunction with the exemplary preferred embodiment of description of drawings the utility model, in the accompanying drawing:
Fig. 1 is the utility model heater bottom isometric view;
Fig. 2 is used for the plane of metal base tablet of punching press heat transfer piece parts;
Fig. 3 A is the profile of another embodiment of the utility model; With
Fig. 3 B is the partial enlarged drawing of Fig. 3 A.
The specific embodiment
Referring to Fig. 1, this heater comprises the applicant's rounded standard Sure Seal base plate 2, and base plate 2 is circular and its circumference is provided with and is used for base plate is clamped to conduit 4 on the chamber wall, and its details are referring to WO96/18331.Relative its normal use of heater shown in Figure 1 is squeezed and illustrates.
On the bottom surface of base plate 2 at the known arcuate zone sheath heating member 6 of radially inwardly being provided with of circumference conduit 4.The heating part of heating member 6 stretch about 270 ° promptly the circle 3/4, its two ends end at the electric terminal 8 that is called " cold tail ".
Go back soldering on the bottom surface of base plate 2 heat transfer piece 10 is arranged.The outline of heat transfer piece 10 conforms to the interior profile of band sheath heating member 6, in fact, the edge soldering of heat transfer piece 10 on the inner radial wall of heating member sheath, thereby with heating member and good with the thermo-contact of base plate 2.
The overall shape of heat transfer piece 10 is c-shaped, stretches about 210 ° along band sheath heating member 6.The opposite end that is angle of heat transfer piece 10 enlarges and forms base 12, and this base 12 is used for assembling the applicant's standard U17 or two bimetallic actuators of U18 control device.The shape of heat transfer piece 10 makes it partly inwardly center on the zone that is uncovered of base plate 14.Three boss 16 that are used for assembling the applicant's standard control device are arranged in this uncovered area 14.
For structure is made heater shown in Fig. 1, stamp out halves 10a, the 10b of heating member with aluminium flake 18, then one of halves 10a is overturn, be arranged on the bottom surface of the heater base plate of before having made 2 with band sheath heating member 6 then, make halves 10a, the 10b of heat transfer piece and against each other against the inwall of heating member 6.Between the wall of heat transfer piece 10 and band sheath heating member 6 and add scolder between heat transfer piece and heating member and the base plate 2, heating member 6 and heat transfer piece 10 are soldered on the base plate 2 then.Can be soldered to boss 16 on the base plate at this moment or at this moment.Boss also can spot weld on the base plate.
In the normal use of heater, heat is mainly from heating member 6 is directly flowed through base plate 2 and the water of inflow on the another side.But flow into heat transfer piece 10 by side direction, the base plate 2 of flowing through then flows in the water and can replenish said process.Just in case heater with under water contacts be not powered, thereby most of heat flows into side direction in the base 12 that heat transfer piece 10 flows into its heat sensor, thereby bimetallic actuator (not shown) actions feasible and base 12 thermo-contacts, thus the power supply of heater cut off, prevent that heater from being burnt.Therefore, although than existing heat transfer plate, heat transfer piece 10 significantly diminishes, so the cost of manufacture reduction, but still can not weaken the security of heater and effectively use.
Fig. 3 A and 3B illustrate another embodiment of the utility model.This embodiment is with embodiment illustrated in fig. 1 identical, and just base plate 22 comprises the identical dimple portion 24 of heating member 6 and shape and heating member 6 that holds.Thereby this helps the location of heating member 6 and in use improves from heating member to the heat transfer of base plate 22 to water in the process of making heater.Be convenient to apply on the position at heating member noise abatement coating 26 in the respective protrusions portion of water side.This can reduce cost of manufacture and help to prevent dry combustion method.
Those of ordinary skills are not difficult to find out that described heat transfer piece is exemplary, also can use other various shapes to obtain effect same.
Claims (22)
1. heater that is used for heating vessel comprises the base plate of at least a portion of the bottom that constitutes described container; Curved band sheath heating member, it is characterized in that, described heating member directly is contained on the bottom surface of described base plate, described heating frame also comprises and the heat transfer piece of the good thermo-contact of described base plate, the good thermo-contact of the sidewall of this heat transfer piece and sheath and only being arranged to around this sheath sidewall expandable part path, described heat transfer piece further defines at least one zone, and this zone is used for assembling the overheated heat sensor that detects this heating member.
2. by the described heater of claim 1, it is characterized in that heat transfer piece is positioned at heating member inside, thereby it contacts with the inwall of heating member radially.
3. by the described heater of claim 1, it is characterized in that the angle extending range of heat transfer piece is less than 270 ° or less than 240 ° or between about 200 °-220 °.
4. by the described heater of claim 1, it is characterized in that the angle extending range of heat transfer piece is less than 240 °.
5. by the described heater of claim 1, it is characterized in that about 200 °-220 ° of the angle extending range of heat transfer piece.
6. by the described heater of claim 1, it is characterized in that heat transfer piece is totally c-shaped.
7. by the described heater of claim 1, it is characterized in that heat transfer piece is about the center line symmetry.
8. by the described heater of claim 1, it is characterized in that heat transfer piece is made of two identical independent sectors of shape.
9. by the described heater of claim 8, it is characterized in that what the shape of each of heat transfer piece half made them is combined into pattern at least in part.
10. by the described heater of claim 1, comprise at least one zone that is not covered by heat transfer piece from the inside base plate of heating member sheath, described zone is provided with one or more boss that are used for assembling control piece or connector.
11., it is characterized in that the band sheath heating member of looking from the bottom surface is contained in the dimple of base plate by the described heater of claim 1.
12., it is characterized in that this dimple conforms to the shape of heating member by the described heater of claim 11.
13. a heater that is used for heating vessel comprises the base plate of at least a portion of the bottom that constitutes described container; Band sheath heating member, it is characterized in that, described heating member directly links to each other with the bottom surface of described base plate, described heating member also comprises: with the heat transfer piece of the good thermo-contact of described base plate, this heat transfer piece around the sidewall of this sheath arrange and with the good thermo-contact of sidewall of this sheath, thereby inwardly around the zone that heat transfer piece is not set of base plate, described heat transfer piece further defines at least one zone that is used for assembling overheat sensor at least in part.
14., it is characterized in that heat transfer piece is positioned within the heating member, thereby radially contact the inwall of heating member sheath by the described heater of claim 13.
15., it is characterized in that heating member is totally c-shaped by the described heater of claim 13.
16., it is characterized in that at least one end in two circumferential opposite ends of heat transfer piece is wideer than remainder, so that hold overheat sensor by the described heater of claim 15.
17., it is characterized in that heat transfer piece is about the center line symmetry by the described heater of claim 13.
18., it is characterized in that heat transfer piece is made of two identical independent sectors of shape by the described heater of claim 17.
19., it is characterized in that the shape of each of heat transfer piece half makes them be combined into pattern at least in part by the described heater of claim 18.
20. by the described heater of claim 13, comprise the zone that is not covered by heat transfer piece of at least one base plate within the heating member sheath, described zone is provided with one or more boss that are used for assembling control piece or connector.
21., it is characterized in that the band sheath heating member of looking from the bottom surface is contained in the dimple of base plate by the described heater of claim 13.
22., it is characterized in that this dimple conforms to the shape of heating member by the described heater of claim 21.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0406428A GB0406428D0 (en) | 2004-03-22 | 2004-03-22 | Heaters for liquid heating vessels |
| GB0406428.3 | 2004-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738161Y true CN2738161Y (en) | 2005-11-02 |
Family
ID=32118170
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200363986U Expired - Lifetime CN2738161Y (en) | 2004-03-22 | 2004-04-16 | Heater for liquid heating container |
| CNA2005800092214A Pending CN1933752A (en) | 2004-03-22 | 2005-03-22 | Heaters for liquid heating vessels |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800092214A Pending CN1933752A (en) | 2004-03-22 | 2005-03-22 | Heaters for liquid heating vessels |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN2738161Y (en) |
| GB (1) | GB0406428D0 (en) |
| WO (1) | WO2005092159A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386504A (en) * | 2017-08-10 | 2019-02-26 | 艾克瑙尔电热元件有限责任两合公司 | Heatable pump case part |
| CN114636143A (en) * | 2020-12-16 | 2022-06-17 | 广东美的厨房电器制造有限公司 | Cooking device and steam generator thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVE20060001U1 (en) * | 2006-01-12 | 2007-07-13 | I R C A S P A Ind Resistenze Corazzate ... | CONTAINER FOR FLUIDS TO BE HEATED |
| US10228157B2 (en) * | 2014-01-20 | 2019-03-12 | I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini | Heater for household appliances |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9422223U1 (en) * | 1994-09-09 | 1999-02-25 | Kreck-Edelstahl GmbH, 35708 Haiger | Electrically heated cookware |
| GB0029771D0 (en) * | 2000-12-06 | 2001-01-17 | Strix Ltd | Liquid heating vessels |
| DE10131995B4 (en) * | 2001-03-07 | 2008-07-03 | Eichenauer Heizelemente Gmbh & Co. Kg | Heating insert for an electrically heated cooking vessel |
| GB2377608B (en) * | 2001-04-23 | 2005-09-07 | Strix Ltd | Electric heaters |
-
2004
- 2004-03-22 GB GB0406428A patent/GB0406428D0/en not_active Ceased
- 2004-04-16 CN CNU2004200363986U patent/CN2738161Y/en not_active Expired - Lifetime
-
2005
- 2005-03-22 CN CNA2005800092214A patent/CN1933752A/en active Pending
- 2005-03-22 WO PCT/GB2005/001160 patent/WO2005092159A2/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386504A (en) * | 2017-08-10 | 2019-02-26 | 艾克瑙尔电热元件有限责任两合公司 | Heatable pump case part |
| CN109386504B (en) * | 2017-08-10 | 2022-03-22 | 艾克瑙尔电热元件有限责任两合公司 | Heatable pump housing part |
| CN114636143A (en) * | 2020-12-16 | 2022-06-17 | 广东美的厨房电器制造有限公司 | Cooking device and steam generator thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005092159A3 (en) | 2005-11-10 |
| CN1933752A (en) | 2007-03-21 |
| GB0406428D0 (en) | 2004-04-21 |
| WO2005092159A2 (en) | 2005-10-06 |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140416 Granted publication date: 20051102 |