GB2461113A - Liner structure of vacuum electric heating vessel - Google Patents
Liner structure of vacuum electric heating vessel Download PDFInfo
- Publication number
- GB2461113A GB2461113A GB0901132A GB0901132A GB2461113A GB 2461113 A GB2461113 A GB 2461113A GB 0901132 A GB0901132 A GB 0901132A GB 0901132 A GB0901132 A GB 0901132A GB 2461113 A GB2461113 A GB 2461113A
- Authority
- GB
- United Kingdom
- Prior art keywords
- container
- internal container
- electric heating
- vacuum
- connecting layer
- 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.)
- Granted
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 43
- 238000003466 welding Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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
- A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
- A47J41/0038—Thermally-insulated vessels, e.g. flasks, jugs, jars comprising additional heating or cooling means, i.e. use of thermal energy in addition to stored material
- A47J41/005—Thermally-insulated vessels, e.g. flasks, jugs, jars comprising additional heating or cooling means, i.e. use of thermal energy in addition to stored material comprising heat or cold producing means, i.e. energy transfer from outside the 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
- A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
- A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
- A47J41/022—Constructional details of the elements forming vacuum space
-
- 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
- A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
- A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
- A47J41/022—Constructional details of the elements forming vacuum space
- A47J41/024—Constructional details of the elements forming vacuum space made of glass
- A47J41/026—Protective elements therefor, e.g. liner, support or housing
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
A liner structure of vacuum electric heating vessel includes an internal container (1), an external casing (2), a vacuum connecting layer (3) and an electric heating device (4). The internal container (1) and the external casing (2) are seal welded at the openings of the containers. The said vacuum connecting layer (3) is set between the bottom of the internal container (1) and the bottom of the external casing (2) and its edge is seal welded to the bottom of the internal container (1). The said electric heating device (4) is located between the internal container (1) and the vacuum connecting layer (3) and welded covering the bottom of the internal container (1). Two through holes (5) for passing of power cords or signal lines are on the bottoms of the vacuum connecting layer (3) and the external casing (2). The two through holes (5) are seal welded at corresponding edges.
Description
LINER STRUCTURE OF VACUUM ELECTRIC HEATING VESSEL
[0001] Description
[0002] The invention relates to a vacuum electric heating vessel, and particularly to a container for a vacuum electric heating vessel.
[0003] China patent number 20041001 2628.x applied by the present inventor on 6, January, 2004 discloses a separated three-layer vacuum electric heating vessel. The invention uses a heating layer for heating and a vacuum insulating layer for preserving heat, and thus is capable of heating as well as insulating. However, since the heating layer is arranged at the bottom of an internal container, it is not convenient to be welded therewith. Moreover, manufacturability of the container is not good enough, and thus influencing quality of the vessel.
[0004] In view of the above-described problems, it is an objective of the invention to provide a container for a vacuum electric heating vessel that features reasonable structure and convenient welding and improves manufacturability of the container so as to guarantee quality of the electric heating vessel.
[0005] In order to achieve the above objectives, in accordance with one embodiment of the invention, provided is a container for a vacuum electric heating vessel, comprising an internal container 1, an external container 2, a vacuum connecting layer 3 and an electric heating device 4, the internal container 1 and the external container 2 being closely welded on the opening of the container. The vacuum connecting layer 3is arranged between the bottom of the internal container and the bottom of the external container, edges thereof are closely welded with the bottom of the internal container, the electric heating device 4 is arranged between the internal container 1 and the vacuum connecting layer 3 and welded with the bottom of the internal container, a pair of through holes 5 for passing power supply wires or signal wires are arranged at the bottom of the vacuum connecting layer (3 and the external container 2, and edges of the through holes 5 are correspondingly and closely welded.
[0006] The external container comprises an upper external container 21 and a lower external container 22, and the upper external container 21 and the lower external container 22 are closely welded together on the corner.
[0007] The electric heating device 4 are made of aluminum alloy heat dissipation materials and electric heating wires arranged in the aluminum alloy heat dissipation materials, and the aluminum heat dissipation materials are arranged on the back of the bottom of the internal container and welded with the bottom of the internal container.
[0008] An anti-burning device or a temperature sensor is arranged at the back of the bottom of the internal container in a space formed between the internal container 1 and the vacuum connecting layer 3.
[0009] In the above scheme, the internal container 1, the external container 2 and the vacuum connecting layer 3 are stainless steel plates; the internal container is formed by welding an upper internal container 11 and a bottom internal container 12; an upper folding edge 7 is disposed in the vicinity of the bottom internal container 12; the upper internal container 11 is closely welded with the upper folding edge 7 of the bottom internal container; and the vacuum connecting layer 3 is closely welded with the root of the upper folding edge 7 of the bottom internal container 12. An inclined round step is arranged on the external surface at the root of the upper folding edge 7 of the bottom internal container 12 in a circumferential direction, and coordinately welded with a corresponding part of the vacuum connecting layer 3.
[0010] In the above scheme, the internal container 1, the external container 2 and the vacuum connecting layer 3 are stainless steel plates; the internal container is formed by welding an upper internal container 11 and a bottom internal container 12; an lower folding edge 8 is disposed in the vicinity of the bottom internal container 12; the upper internal container 11 is closely welded with the lower folding edge 8 of the bottom internal container; and the vacuum connecting layer 3 is closely welded with the root of the lower folding edge 8 of the bottom internal container 12. An inclined round step is arranged on the external surface at the root of the lower folding edge 8 of the bottom internal container 12 in a circumferential direction, and coordinately welded with a corresponding part of the upper internal container 11.
[0011] A vacuum layer is formed among a side wall of the external container, the internal container and the vacuum connecting layer; and the through hole 5 is for passing power supply lines of the electric heating device and signal lines of the anti-burning device and the temperature sensor.
[0012] By employing the unique container and the electric heating layer, and particularly the upper folding edge, the lower folding edge and the round step arranged on the root of the upper folding edge and the lower folding edge and welded with the corresponding part, the invention greatly improves manufacturability of the container of the vacuum electric heating vessel, makes it convenient to weld the electric heating layer with the internal container, guarantees welding quality and meets requirements for a vacuum degree of the vacuum layer of the container. The invention can be applied to integrated electric heating pots, separated electric heating pots, electric cookers and electric heating water tanks.
[0013] Fig. us a schematic view of a first embodiment of the invention; [0014] Fig. 2is a partial enlarged view of Fig. 1 along a lineA-A; [0015] Fig. 3 is schematic view of a second embodiment of the invention; and [0016] Fig. 4 isa partial enlarged view of Fig. 3 along a line B-B.
[0017] Embodiment 1: the embodiment comprises an internal container 1, an external container 2, a vacuum connecting layer 3 and an electric heating device 4, and the internal container comprises an upper internal container 11 and a bottom internal container 12; the electric heating device is made of aluminum alloy heat-dissipation materials and electric heating wires arranged in the aluminum alloy heat-dissipation materials, and arranged between the internal container 1 and the vacuum connecting layer 3; the aluminum alloy heat-dissipation materials are arranged at the back of the bottom internal container 12 and welded with the bottom internal container 12. An anti-burning device or a temperature sensor is arranged at the back of the bottom internal container. The external container comprises an upper external container 21 and a lower external container 22, and the upper external container 21 and the lower external container 22 are closely welded together on the corner. An anti-burning device or a temperature sensor can be arranged at the back of the bottom of the internal container in a space formed between the internal container 1 and the vacuum connecting layer 3. A pair of through holes are arranged on the vacuum connecting layer 3 and the lower external container 22, and edges of the through holes 5 are closely and correspondingly welded. The through hole 5 is for passing power supply wires 6 of the heating device and signal wires of the anti-burning device or the temperature sensor. The internal container 1, the external container 2 and the vacuum connecting layer 3 are stainless steel plates. and the internal container is formed by welding an upper internal container 11 and a bottom internal container 12; an upper folding edge 7 is disposed in the vicinity of the bottom internal container 12; the upper internal container 11 is closely welded with the upper folding edge 7 of the bottom internal container; and the vacuum connecting layer 3 is closely welded with the root of the upper folding edge 7 of the bottom internal container 12. An inclined round step is arranged on the external surface at the root of the upper folding edge 7 of the bottom internal container 12 in a circumferential direction, and an external portion of the vacuum connecting layer 3 is fit on and closely welded with the inclined round step at the root of the upper folding edge on the bottom internal container 12, and thus welding quality is guaranteed.
[0018] Embodiment 2: the embodiment comprises an internal container 1, an external container 2, a vacuum connecting layer 3 and an electric heating device 4, the structure is almost the same as that of the first embodiment, except that an lower folding edge 8 is disposed in the vicinity of the bottom internal container 12; an external portion of the vacuum connecting layer 3 is closely welded with that of the upper folding edge 7 of the bottom internal container 12. An inclined round step is arranged on the external surface at the root of the lower folding edge of the bottom internal container 12 in a circumferential direction, and an lower portion of the upper internal container 11 is fit on and closely welded with the inclined round step at the root of the upper folding edge on the bottom internal container 12, and thus welding quality is guaranteed.
[0019] By employing the above-mentioned structure, the invention can greatly improve manufacturability of the container of the vacuum electric heating vessel, make it convenient for welding, improve welting quality, guarantee vacuum degree of the vacuum layer among the external container, a side wall of the internal container and the vacuum layer, and improve temperature-preserving effect of the vacuum electric heating vessel. The structure of the invention can be easily applied to integrated or separated vacuum electric heating vessels, electric cookers and electric heating water tanks. After being applied to the above products, the invention can improve quality of the products, improve temperature-preserving effect, simplify processes, reduce cost and upgrade overall quality of the product to a higher level.
[0020] Although this invention has been described in connection with embodiments, different modifications can be made without departing from the spirit of the invention.
For example, the upper external container 21 and the lower external container 22 can be connected at the side wall or bottom of the external container. All these modifications fall into the scope of the invention defined by the claims.
Claims (7)
- LINER STRUCTURE OF VACUUM ELECTRIC HEATING VESSELCLAIMSA container for a vacuum electric heating vessel, comprising an internal container (1), an external container (2), a vacuum connecting layer (3) and an electric heating device (4), the internal container (1) and the external container (2) being closely welded on the opening of the container, characterized in that the vacuum connecting layer (3) is arranged between the bottom of the internal container and the bottom of the external container; edges thereof are closely welded with the bottom of the internal container; The electric heating device (4) is arranged between the internal container (1) and the vacuum connecting layer (3) and welded with the bottom of the internal container; a pair of through holes (5) for passing power supply wires or signal wires are arranged at the bottom of the vacuum connecting layer (3) and the external container (2); and edges of the through holes (5) are correspondingly and closely welded.
- 2. The container for a vacuum electric heating vessel of claim 1, characterized in that the external container comprises an upper external container (21) and a lower external container (22), and the upper external container (21) and the lower external container (22) are closely welded together on the corner.
- 3. The container for a vacuum electric heating vessel of claim 1, characterized in that the electric heating device (4) are made of aluminum alloy heat dissipation materials and electric heating wires arranged in the aluminum alloy heat dissipation materials; and the aluminum heat dissipation materials are arranged on the back of the bottom of the internal container and welded with the bottom of the internal container.
- 4. The container for a vacuum electric heating vessel of claim 3, characterized in that an anti-burning device or a temperature sensor is arranged at the back of the bottom of the internal container in a space formed between the internal container (1) and the vacuum connecting layer (3).
- 5. The container for a vacuum electric heating vessel of claim 1, 2, 3 or 4, characterized in that the internal container (1), the external container (2) and the vacuum connecting layer (3) are stainless steel plates; the internal container is formed by welding an upper internal container (11) and a bottom internal container (12); an upper folding edge (7) is disposed in the vicinity of the bottom internal container (12); the upper internal container (11) is closely welded with the upper folding edge (7) of the bottom internal container; and the vacuum connecting layer (3) is closely welded with the root of the upper folding edge (7) of the bottom internal container (12).
- 6. The container for a vacuum electric heating vessel of claim 5, characterized in that an inclined round step is arranged on the external surface at the root of the upper folding edge (7) of the bottom internal container (12) in a circumferential direction, and coordinately welded with a corresponding part of the vacuum connecting layer (3).
- 7. The container for a vacuum electric heating vessel of claim 1, 2, 3 or 4, characterized in that the internal container (1), the external container (2) and the vacuum connecting layer (3) are stainless steel plates; the internal container is formed by welding an upper internal container (11) and a bottom internal container (12); an lower folding edge (8) is disposed in the vicinity of the bottom internal container (12); the upper internal container (11) is closely welded with the lower folding edge (8) of the bottom internal container; and the vacuum connecting layer (3) is closely welded with the root of the lower folding edge (8) of the bottom internal container (12).8 The container for a vacuum electric heating vessel of claim 7, characterized in that an inclined round step is arranged on the external surface at the root of the lower folding edge (8) of the bottom internal container (12) in a circumferential direction, and coordinately welded with a corresponding part of the upper internal container (11).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100197636A CN100441131C (en) | 2006-07-31 | 2006-07-31 | Glass liner structure of vacuum electric heating vessel |
| PCT/CN2007/002026 WO2008017228A1 (en) | 2006-07-31 | 2007-06-28 | Liner structure of vacuum electric heating vessel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0901132D0 GB0901132D0 (en) | 2009-03-11 |
| GB2461113A true GB2461113A (en) | 2009-12-23 |
| GB2461113B GB2461113B (en) | 2010-12-01 |
Family
ID=37720343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0901132A Expired - Fee Related GB2461113B (en) | 2006-07-31 | 2007-06-28 | Liner structure of vacuum electric heating vessel |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN100441131C (en) |
| GB (1) | GB2461113B (en) |
| RU (1) | RU2403852C2 (en) |
| WO (1) | WO2008017228A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2991529A4 (en) * | 2013-04-30 | 2017-03-22 | Breville PTY Limited | Heated dual-wall carafe apparatus and method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100441131C (en) * | 2006-07-31 | 2008-12-10 | 白明军 | Glass liner structure of vacuum electric heating vessel |
| CN102715849A (en) * | 2012-06-06 | 2012-10-10 | 美的集团有限公司 | Vacuum electric heating container structure |
| CN108245001B (en) * | 2018-01-02 | 2021-03-09 | 广东夏野日用电器有限公司 | Portable cooking device |
| CN110973975B (en) * | 2019-12-12 | 2021-07-16 | 浙江哈尔斯真空器皿股份有限公司 | Method for manufacturing body structure of vacuum electric kettle |
| CN111035258A (en) * | 2019-12-31 | 2020-04-21 | 广东威特真空电子制造有限公司 | Cooking utensil |
| CN112315283B (en) * | 2020-11-17 | 2022-08-30 | 湖北贵族真空科技股份有限公司 | Silver-titanium composite inner container capable of sterilizing and water cup |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2299570Y (en) * | 1997-06-06 | 1998-12-09 | 北京科隆电子技术公司 | Vacuum insulating device for electric heating vessel |
| JP2002369747A (en) * | 2001-06-13 | 2002-12-24 | Zojirushi Corp | Electric water heater |
| CN1172622C (en) * | 2002-09-12 | 2004-10-27 | 白明军 | Vacuum electric heat-insulation vessel and vacuum welding process |
| CN1555751A (en) * | 2004-01-06 | 2004-12-22 | 白明军 | Separated type three layer vacuum electric heating heat preservation utensil |
| CN2682973Y (en) * | 2004-01-06 | 2005-03-09 | 白明军 | Detachable tri-layer vacuum electric-heating heat-preserving utensils |
| CN2684722Y (en) * | 2004-02-20 | 2005-03-16 | 中山市美扬电器有限公司 | Vacuum liner for electric heating water kettle or drinker |
| JP2005323704A (en) * | 2004-05-13 | 2005-11-24 | Orugo Kk | Electric kettle |
| CN1911148A (en) * | 2006-07-31 | 2007-02-14 | 白明军 | Glass liner structure of vacuum electric heating vessel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3207703B2 (en) * | 1995-04-11 | 2001-09-10 | 象印マホービン株式会社 | Metal insulated double container |
| CN2226900Y (en) * | 1995-06-17 | 1996-05-15 | 黄文秀 | Vacuum thermal insulating electric heating household utensils |
| JP2000093329A (en) * | 1998-09-22 | 2000-04-04 | Toyo Rikagaku Kenkyusho:Kk | Manufacture of metallic double container |
| US6386431B1 (en) * | 2001-01-19 | 2002-05-14 | Shin-Shuoh Lin | Vacuum insulated coffee server manufacturing process |
| CN1640351A (en) * | 2004-01-12 | 2005-07-20 | 陈安涛 | Processing method for communicating internal-external wall pipes for two-layer stainless steel wacuum thermal insulating container |
-
2006
- 2006-07-31 CN CNB2006100197636A patent/CN100441131C/en not_active Expired - Fee Related
-
2007
- 2007-06-28 RU RU2009102894/12A patent/RU2403852C2/en not_active IP Right Cessation
- 2007-06-28 WO PCT/CN2007/002026 patent/WO2008017228A1/en active Application Filing
- 2007-06-28 GB GB0901132A patent/GB2461113B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2299570Y (en) * | 1997-06-06 | 1998-12-09 | 北京科隆电子技术公司 | Vacuum insulating device for electric heating vessel |
| JP2002369747A (en) * | 2001-06-13 | 2002-12-24 | Zojirushi Corp | Electric water heater |
| CN1172622C (en) * | 2002-09-12 | 2004-10-27 | 白明军 | Vacuum electric heat-insulation vessel and vacuum welding process |
| CN1555751A (en) * | 2004-01-06 | 2004-12-22 | 白明军 | Separated type three layer vacuum electric heating heat preservation utensil |
| CN2682973Y (en) * | 2004-01-06 | 2005-03-09 | 白明军 | Detachable tri-layer vacuum electric-heating heat-preserving utensils |
| CN2684722Y (en) * | 2004-02-20 | 2005-03-16 | 中山市美扬电器有限公司 | Vacuum liner for electric heating water kettle or drinker |
| JP2005323704A (en) * | 2004-05-13 | 2005-11-24 | Orugo Kk | Electric kettle |
| CN1911148A (en) * | 2006-07-31 | 2007-02-14 | 白明军 | Glass liner structure of vacuum electric heating vessel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2991529A4 (en) * | 2013-04-30 | 2017-03-22 | Breville PTY Limited | Heated dual-wall carafe apparatus and method |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2403852C2 (en) | 2010-11-20 |
| CN100441131C (en) | 2008-12-10 |
| CN1911148A (en) | 2007-02-14 |
| GB0901132D0 (en) | 2009-03-11 |
| WO2008017228A1 (en) | 2008-02-14 |
| RU2009102894A (en) | 2010-08-10 |
| GB2461113B (en) | 2010-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 789A | Request for publication of translation (sect. 89(a)/1977) |
Ref document number: 2008017228 Country of ref document: WO |
|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20190628 |