CN114983243A - Dry-burning-resistant bimetal temperature limiter of electric cooker - Google Patents
Dry-burning-resistant bimetal temperature limiter of electric cooker Download PDFInfo
- Publication number
- CN114983243A CN114983243A CN202210713786.6A CN202210713786A CN114983243A CN 114983243 A CN114983243 A CN 114983243A CN 202210713786 A CN202210713786 A CN 202210713786A CN 114983243 A CN114983243 A CN 114983243A
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- China
- Prior art keywords
- contact point
- fixedly arranged
- electric
- box
- temperature limiter
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- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 241000209094 Oryza Species 0.000 claims description 13
- 235000007164 Oryza sativa Nutrition 0.000 claims description 13
- 235000009566 rice Nutrition 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 238000009841 combustion method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010411 cooking Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses an anti-dry heating bimetallic temperature limiter of an electric cooker, which relates to the technical field of electric cookers and comprises an electric control box, wherein a fixed box is arranged above the electric control box, a fixed seat is fixedly arranged at the middle position of the electric control box, a buffer spring is fixedly arranged above the fixed seat, an insulating seat is fixedly arranged above the buffer spring, the fixed box is fixedly connected above the insulating seat, a bimetallic strip is fixedly arranged above the fixed box, a ceramic insulating rod is fixedly arranged below the bimetallic strip, a positioning disc is fixedly arranged at the outer side of the bimetallic strip, a heating disc is fixedly arranged on the positioning disc, a first connecting sheet and a second connecting sheet are respectively and fixedly arranged below the electric control box, and an electric control part is fixedly arranged between the second connecting sheet and the first connecting sheet, the parts and models of the electric cooker are reduced, the assembly process of the electric cooker is simplified, the production efficiency is improved, and the cost is reduced.
Description
Technical Field
The invention belongs to the field of electric cookers, and particularly relates to an anti-dry heating bimetallic temperature limiter of an electric cooker.
Background
The invention is mainly used for the electrification work and the heating temperature limitation of mechanical electric cookers such as ancient electric cookers, western electric cookers and the like. The existing mechanical electric cooker is mainly characterized in that a switch is pressed downwards manually, a lower magnet in the magnetic steel is jacked upwards by connecting a cantilever bar with the bottom of the magnetic steel, the jacked lower magnet is close to an upper magnet on the upper part of the magnetic steel, the lower magnet attracts the upper magnet to keep a working switch pressed downwards, the cantilever bar is in an upward state, when the cantilever bar is kept in the upward state, a power-off insulating plate in the middle of the cantilever bar is lifted, separated working contacts are jointed again, and then the electric cooker is electrified to work. When the electric cooker reaches a specified temperature, the attracted upper magnet loses magnetism, the ram moves downwards and is not kept in an upward state, the power-off insulating plate separates the working contact again, and the electric cooker is powered off and stops working.
The conventional mechanical electric cooker on the market has the problems that the mechanical structure is complex, the product models are various, the parts of the electric cookers with different sizes and different powers cannot be replaced with each other, the assembling procedure of the electric cooker is complex, the assembling efficiency is low, the production cost is high, the temperature control error is large and the like.
Disclosure of Invention
The invention provides an anti-dry heating bimetallic temperature limiter for an electric cooker, which is used for solving the technical problems that the conventional mechanical electric cooker on the market has complex mechanical structure, various product models, no mutual replacement of accessories among the electric cookers with different sizes and different powers, complex assembly process of the electric cooker, low assembly efficiency, high production cost, large temperature control error and the like.
In order to solve the technical problem, the invention provides an anti-dry-heating bimetallic temperature limiter for an electric rice cooker, which comprises an electric control box, wherein fixing blocks are symmetrically arranged on two sides of the electric control box, a fixing box is arranged above the electric control box, a fixing seat is fixedly arranged in the middle of the electric control box, a buffer spring is fixedly arranged above the fixing seat, an insulating seat is fixedly arranged above the buffer spring, the fixing box is fixedly connected above the insulating seat, a bimetallic strip is fixedly arranged above the fixing box, a ceramic insulating rod is fixedly arranged below the bimetallic strip, a positioning disc is fixedly arranged on the outer side of the bimetallic strip, a heating disc is fixedly arranged on the positioning disc, a first splicing piece and a second splicing piece are respectively and fixedly arranged below the electric control box, and an electric control piece is fixedly arranged between the second splicing piece and the first splicing piece.
Preferably, automatically controlled piece includes first electrically conductive connecting rod, the electrically conductive connecting rod of second, first contact point, second contact point, third contact point, fourth contact point and electric power tower bridge, first splicing one end fixed mounting has first electrically conductive connecting rod, first electrically conductive connecting rod top fixed mounting has first contact point, insulating seat one end fixed mounting has electric power bridging, electric power bridging both ends fixed mounting respectively has second contact point and fourth contact point, second splicing one end fixed mounting has the electrically conductive connecting rod of second, electrically conductive connecting rod top fixed mounting of second has the third contact point.
Preferably, the first contact point and the second contact point are in a boss shape, and the first contact point corresponds to the second contact point.
Preferably, the third contact point and the fourth contact point are in a boss shape, and the third contact point and the fourth contact point correspond to each other.
Preferably, the stopper is installed to fixed box outside symmetry, the draw-in groove has been seted up in the stopper, heating plate outside fixed mounting has the spacing buckle that corresponds with the draw-in groove, spacing buckle and fixed block fixed connection.
Preferably, the bi-metallic strip is a composite sheet structure composed of two or more metals or other materials having suitable properties.
Preferably, a ceramic insulating rod is fixedly mounted below the bimetallic strip, penetrates through the fixing box and corresponds to the second conductive connecting rod.
Compared with the prior art, the invention has the following advantages:
the anti-dry heating bimetal temperature limiter for the electric cooker can effectively limit the temperature of the electric cooker, simplifies the redundancy of the mechanical structure of the electric cooker, reduces the types of parts of the electric cooker, simplifies the assembly process of the electric cooker, improves the production efficiency and reduces the cost.
Drawings
FIG. 1 is a structural diagram of an anti-dry heating bimetal temperature limiter of an electric rice cooker;
FIG. 2 is an expanded structural view of a dry-heating preventing bimetal temperature limiter of an electric cooker;
FIG. 3 is a structural diagram of an electric control box in the anti-dry heating bimetal temperature limiter of the electric rice cooker;
FIG. 4 is a structural diagram of a heating plate in the anti-dry bimetal temperature limiter of the electric rice cooker of the present invention;
FIG. 5 is a closed structure diagram of an electric control in the anti-dry heating bimetallic temperature limiter of the electric rice cooker of the present invention;
FIG. 6 is an expanded structure diagram of an electric control in the anti-dry heating bimetallic temperature limiter of the electric rice cooker of the present invention;
reference numbers in the figures: 1. an electronic control box; 2. a fixed block; 3. positioning a plate; 4. a limiting block; 5. a fixing box; 6. a first tab; 7. a second tab; 8. an electrical control; 9. a ceramic insulating rod; 10. a limiting buckle; 11. a bimetal; 12. a buffer spring; 13. a fixed seat; 81. a first conductive link; 82. a first contact point; 83. a second contact point; 84. bridging electric power; 85. a third contact point; 86. a fourth contact point; 87. a second conductive link.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an electric cooker prevents dry combustion method bimetal temperature limiter, including automatically controlled box 1, fixed block 2 is installed to automatically controlled box 1 both sides symmetry, automatically controlled box 1 top is equipped with fixed box 5, automatically controlled box 1 middle part position fixed mounting has fixing base 13, fixing base 13 top fixed mounting has buffer spring 12, buffer spring 12 top fixed mounting has insulating seat, insulating seat top fixed connection fixed box 5, fixed box 5 top fixed mounting has bimetallic strip 11, bimetallic strip 11 below fixed mounting has ceramic insulator spindle 9, bimetallic strip 11 outside is fixed and is equipped with positioning disk 3, fixed mounting has the heating plate on the positioning disk 3, automatically controlled box 1 below is fixed mounting respectively has first splicing 6 and second splicing 7, fixed mounting has electric control 8 between second splicing 7 and the first splicing 6.
Further, the electric control member 8 includes a first conductive connecting rod 81, a second conductive connecting rod 87, a first contact point 82, a second contact point 83, a third contact point 85, a fourth contact point 86 and an electric power tower bridge, the first conductive connecting rod 81 is fixedly installed at one end of the first connecting sheet 6, the first contact point 82 is fixedly installed at the top end of the first conductive connecting rod 81, an electric power bridging 84 is fixedly installed at one end of the insulating base, the second contact point 83 and the fourth contact point 86 are respectively fixedly installed at two ends of the electric power bridging 84, the second conductive connecting rod 87 is fixedly installed at one end of the second connecting sheet 7, and the third contact point 85 is fixedly installed at the top end of the second conductive connecting rod 87.
Further, the first contact point 82 and the second contact point 83 are in a boss shape, and the first contact point 82 corresponds to the second contact point 83.
Further, the third contact point 85 and the fourth contact point 86 are in a boss shape, and the third contact point 85 and the fourth contact point 86 correspond.
Further, stopper 4 is installed to 5 outside symmetries of fixed box, has seted up the draw-in groove in the stopper 4, and heating plate outside fixed mounting has the spacing buckle 10 that corresponds with the draw-in groove, spacing buckle 10 and 2 fixed connection of fixed block.
Further, the bimetal 11 is a composite plate-like structure composed of two or more metals or other materials having suitable properties.
Further, a ceramic insulating rod 9 is fixedly installed below the bimetal 11, the ceramic insulating rod 9 penetrates through the fixing box 5, and the ceramic insulating rod 9 corresponds to the second conductive connecting rod 87.
The working principle and the flow are as follows:
when the inner container of the electric cooker is not placed on the heating plate of the electric cooker, the buffer spring 12 can jack the fixing box 5, the dry-heating-proof contact is disconnected, the electric cooker does not work and is dry-heating-proof, when the inner container of the electric cooker is placed in the electric cooker, the gravity of the inner container overcomes the elasticity of the buffer spring 12, the insulating base drives the power bridging 84 to move downwards, the first contact point 82 and the second contact point 83 are closed, the third contact point 85 and the fourth contact point 86 are closed, current flows in from the first connecting piece 6, flows into the power bridging through the closed first contact point 82 and the closed second contact point 83, flows out from the third contact point 85 and the fourth contact point 86 through the second connecting piece 7, and the heating circuit of the heating plate is communicated due to the fact that the electric control part is electrically connected with the heating plate, and the electric cooker can work normally;
when the electric cooker works, when a user presses an external rice cooking self-locking button, the first connecting piece 6 and the second connecting piece 7 are electrified, the heating plate of the electric cooker heats and works, when the electric cooker cooks rice thoroughly, the temperature of the inner container of the electric cooker reaches the working temperature of the bimetallic strip 11, the bimetallic strip 11 deforms, the deformed bimetallic strip 11 presses the ceramic insulating rod 9 downwards, the ceramic insulating rod 9 presses the first conductive connecting rod 81 downwards, so that the first conductive connecting rod 81 is separated from the electric power bridging 84, namely the first contact point 82 is separated from the second contact point 83, the circuit of the heating plate is further disconnected, the heating plate stops heating, the temperature limiting function is realized, the electric cooker enters a heat preservation state, when the temperature of the electric cooker drops, the bimetallic strip 11 restores to the original state, the ceramic insulating rod 9 is driven to rise, so that the electric power bridging 84 is contacted with the first conductive connecting rod 81, namely the first contact point 82 is closed with the second contact point 83, and the electric cooker is electrified, the heating plate of the electric cooker is continuously electrified to generate heat.
Claims (7)
1. The utility model provides an electric rice cooker prevents dry combustion method bimetal temperature limiter, includes automatically controlled box (1), its characterized in that: the two sides of the electric control box (1) are symmetrically provided with fixed blocks (2), a fixed box (5) is arranged above the electric control box (1), a fixed seat (13) is fixedly arranged at the middle position of the electric control box (1), a buffer spring (12) is fixedly arranged above the fixed seat (13), an insulating seat is fixedly arranged above the buffer spring (12), a fixed box (5) is fixedly connected above the insulating seat, a bimetallic strip (11) is fixedly arranged above the fixed box (5), a ceramic insulating rod (9) is fixedly arranged below the bimetallic strip (11), a positioning disc (3) is fixedly arranged on the outer side of the bimetallic strip (11), a heating disc is fixedly arranged on the positioning disc (3), a first connecting piece (6) and a second connecting piece (7) are respectively fixedly arranged below the electric control box (1), an electric control (8) is fixedly arranged between the second connecting piece (7) and the first connecting piece (6).
2. The anti-dry heating bimetal temperature limiter of an electric rice cooker as claimed in claim 1, the electric control (8) comprises a first conductive connecting rod (81), a second conductive connecting rod (87), a first contact point (82), a second contact point (83), a third contact point (85), a fourth contact point (86) and an electric power tower bridge, a first conductive connecting rod (81) is fixedly arranged at one end of the first connecting piece (6), a first contact point (82) is fixedly arranged at the top end of the first conductive connecting rod (81), one end of the insulating seat is fixedly provided with an electric power bridging (84), two ends of the electric power bridging (84) are respectively and fixedly provided with a second contact point (83) and a fourth contact point (86), one end of the second connecting piece (7) is fixedly provided with a second conductive connecting rod (87), and a third contact point (85) is fixedly arranged at the top end of the second conductive connecting rod (87).
3. The bimetallic temperature limiter of claim 2, wherein the first contact point (82) and the second contact point (83) are in a convex shape, and the first contact point (82) corresponds to the second contact point (83).
4. The bimetallic temperature limiter of claim 2, wherein the third contact point (85) and the fourth contact point (86) are in the shape of a boss, and the third contact point (85) corresponds to the fourth contact point (86).
5. The anti-dry heating bimetal temperature limiter of the electric rice cooker according to claim 1, wherein the outer side of the fixing box (5) is symmetrically provided with a limiting block (4), a clamping groove is formed in the limiting block (4), the outer side of the heating plate is fixedly provided with a limiting buckle (10) corresponding to the clamping groove, and the limiting buckle (10) is fixedly connected with the fixing block (2).
6. The bimetal temperature limiter for preventing dry burning of electric rice cooker as claimed in claim 1, wherein said bimetal (11) is a composite plate structure composed of two or more metals or other materials having suitable properties.
7. The bimetallic temperature limiter for preventing dry burning of electric rice cooker according to claim 1, wherein a ceramic insulating rod (9) is fixedly installed below the bimetallic strip (11), the ceramic insulating rod (9) penetrates through the fixing box (5), and the ceramic insulating rod (9) corresponds to the second conductive connecting rod (87).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210713786.6A CN114983243A (en) | 2022-06-22 | 2022-06-22 | Dry-burning-resistant bimetal temperature limiter of electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210713786.6A CN114983243A (en) | 2022-06-22 | 2022-06-22 | Dry-burning-resistant bimetal temperature limiter of electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114983243A true CN114983243A (en) | 2022-09-02 |
Family
ID=83037098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210713786.6A Pending CN114983243A (en) | 2022-06-22 | 2022-06-22 | Dry-burning-resistant bimetal temperature limiter of electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114983243A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2484714Y (en) * | 2001-06-23 | 2002-04-03 | 广东美的集团股份有限公司 | Electrothermo cooker temp. controlling mechanism |
| CN201422761Y (en) * | 2009-06-12 | 2010-03-17 | 佛山市川东热敏磁电有限公司 | Dry-burning preventing sensor of novel microcomputer electric rice cooker |
| CN201508244U (en) * | 2009-04-09 | 2010-06-16 | 杭州九阳欧南多小家电有限公司 | Temperature measuring device for electric pressure cooker |
| CN202502414U (en) * | 2011-12-02 | 2012-10-24 | 李焕钊 | Temperature control device of electric cooker |
| CN103690056A (en) * | 2013-12-20 | 2014-04-02 | 阮保清 | Anti-dry heating device of electric rice cooker |
| CN203539075U (en) * | 2013-09-11 | 2014-04-16 | 广东福尔电子有限公司 | Dry burning-resistant temperature limiter structure |
| CN105869951A (en) * | 2016-06-17 | 2016-08-17 | 佛山市格来德小家电有限公司 | Dry-burning preventing kettle coupler with fusing |
| CN107198437A (en) * | 2017-06-13 | 2017-09-26 | 泾县信达工贸有限公司 | A kind of anti-dry burning device of electric cooker electric hot tray |
| CN207084664U (en) * | 2017-03-22 | 2018-03-13 | 湛江市众荣电器有限公司 | A kind of electric cooker with bimetallic temperature controller protection circuit |
| CN215127481U (en) * | 2021-08-16 | 2021-12-14 | 李俞辛 | Temperature controller |
| CN216145552U (en) * | 2021-08-25 | 2022-03-29 | 佛山市利安达电器有限公司 | Kick type double-temperature control switch and electric heater using same |
| CN216213131U (en) * | 2021-09-07 | 2022-04-05 | 广东德沁电器有限公司 | Dry burning prevention temperature controller |
-
2022
- 2022-06-22 CN CN202210713786.6A patent/CN114983243A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2484714Y (en) * | 2001-06-23 | 2002-04-03 | 广东美的集团股份有限公司 | Electrothermo cooker temp. controlling mechanism |
| CN201508244U (en) * | 2009-04-09 | 2010-06-16 | 杭州九阳欧南多小家电有限公司 | Temperature measuring device for electric pressure cooker |
| CN201422761Y (en) * | 2009-06-12 | 2010-03-17 | 佛山市川东热敏磁电有限公司 | Dry-burning preventing sensor of novel microcomputer electric rice cooker |
| CN202502414U (en) * | 2011-12-02 | 2012-10-24 | 李焕钊 | Temperature control device of electric cooker |
| CN203539075U (en) * | 2013-09-11 | 2014-04-16 | 广东福尔电子有限公司 | Dry burning-resistant temperature limiter structure |
| CN103690056A (en) * | 2013-12-20 | 2014-04-02 | 阮保清 | Anti-dry heating device of electric rice cooker |
| CN105869951A (en) * | 2016-06-17 | 2016-08-17 | 佛山市格来德小家电有限公司 | Dry-burning preventing kettle coupler with fusing |
| CN207084664U (en) * | 2017-03-22 | 2018-03-13 | 湛江市众荣电器有限公司 | A kind of electric cooker with bimetallic temperature controller protection circuit |
| CN107198437A (en) * | 2017-06-13 | 2017-09-26 | 泾县信达工贸有限公司 | A kind of anti-dry burning device of electric cooker electric hot tray |
| CN215127481U (en) * | 2021-08-16 | 2021-12-14 | 李俞辛 | Temperature controller |
| CN216145552U (en) * | 2021-08-25 | 2022-03-29 | 佛山市利安达电器有限公司 | Kick type double-temperature control switch and electric heater using same |
| CN216213131U (en) * | 2021-09-07 | 2022-04-05 | 广东德沁电器有限公司 | Dry burning prevention temperature controller |
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