CN202931574U - Dry burning-resistant thick membrane heating device and thick membrane heating kettle - Google Patents
Dry burning-resistant thick membrane heating device and thick membrane heating kettle Download PDFInfo
- Publication number
- CN202931574U CN202931574U CN 201220540569 CN201220540569U CN202931574U CN 202931574 U CN202931574 U CN 202931574U CN 201220540569 CN201220540569 CN 201220540569 CN 201220540569 U CN201220540569 U CN 201220540569U CN 202931574 U CN202931574 U CN 202931574U
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- Prior art keywords
- thick film
- dry
- substrate
- temperature controller
- heating device
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- 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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- 238000010438 heat treatment Methods 0.000 title claims abstract description 93
- 239000012528 membrane Substances 0.000 title abstract 6
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 238000007639 printing Methods 0.000 claims abstract description 5
- 238000009841 combustion method Methods 0.000 claims description 26
- 230000001235 sensitizing effect Effects 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to a dry burning-resistant thick membrane heating device, which comprises a heating thick membrane, a substrate used for printing the heating thick membrane and a kick type temperature controller, the kick type temperature controller comprises a double metal sheet, an end cover with an opening, a shell, a guide rod used for transmitting the deformation of the double metal sheet and a fixed guide frame, the double metal sheet, the guide rod and the guide frame are positioned in the shell, and the end cover covers the shell, the opening of the double metal sheet facing to the end covert has an externally convex curved surface, the kick type temperature controller is arranged on the substrate, and the double metal sheet, the guide frame, the end cover and the substrate form a heat transfer cavity. When the dry burning is happened, the heat of the substrate can be tansmited to the double metal sheet by the approximately sealed heat transfer cavity through a radiation and convection mode, the response speed for heat is increased, and the danger of thick membrane burning due to low thermal response through conduct heat by a traditional mechanical type temperature controller can be avoided.
Description
Technical field
The utility model relates to an electro-technical field, relates in particular to a kind of thick film heating device and thick-film heating kettle of anti-dry.
Background technology
Heater in existing household electrical appliances mainly contains two kinds of electrothermal tube heating, high-frequency heating.Yet electrothermal tube heating major part takes die casting to make electric hot tray, causes its heat efficiency lower, and heat energy is common to be consumed in the transmission of electric hot tray, and energy storage is larger, uses the danger that excessive pot easily occurs on household appliances; High-frequency heating needs radio-frequency generator, and same cost is higher, and has radiation hazard.
For addressing the above problem, occurred the thick film heater technology in industry, but because thick film electrothermal wire heating speed is fast, the heat load of unit are is high, if when anhydrous dry combustion method occurring, can't be effectively protected, and causes the danger such as damage or fire.For guaranteeing safety, mainly with NTC, thick film heater is protected, but electronic circuit very easily breaks down in industry; cause NTC also protective effect can't occur; and NTC also only can protect the part in thick film heater, if cover the thick-film heating zone comprehensively, cost is very high again.Above variety of problems causes the high thick film heater of the heat efficiency can't obtain good promotion and application.
The utility model content
In view of this, be necessary to provide a kind of effectively anti-dry, safe and reliable thick film heating device and thick-film heating kettle.
The utility model is achieved through the following technical solutions:
A kind of thick film heating device of anti-dry, the substrate, the Kick type temperature controller that comprise heating thick film, printing heating thick film, this Kick type temperature controller comprises bimetal leaf, has the end cap of opening, guide rod and the fixed guide frame of housing, the deformation of transmission bimetal leaf, bimetal leaf, guide rod and leading truck are positioned at housing, end cap is fastened on housing, described bimetal leaf has the arcwall face of evagination towards the opening of end cap, Kick type temperature controller is arranged on substrate, and bimetal leaf, leading truck, end cap and substrate surround the heat transfer cavity.
Described end cap forms lug boss around the periphery of opening to in-flanges, and lug boss is pressed on substrate.
The thick film heating device of described anti-dry also comprises mounting bracket, and mounting bracket is provided with the installing hole of Kick type temperature controller, is provided with elastic component in installing hole, and mounting bracket is fixed on substrate, and Kick type temperature controller is pressed on substrate through the elastic reaction of elastic component.
Described mounting bracket is provided with fixing hole, and substrate is provided with anti-overvoltage double-screw bolt, and fixing hole is enclosed within on anti-overvoltage double-screw bolt and is fixed by nut.
Described anti-overvoltage double-screw bolt top is provided with the screw thread that coordinates with nut, and the bottom is the support column larger than fixing hole diameter.
Also being provided with normal operation district and dry combustion method sensitizing range on described substrate, Kick type temperature controller is arranged in this dry combustion method sensitizing range.
In described dry combustion method sensitizing range, the heating track stitch width of heating thick film is less than the width of the interior heating in normal operation district track.
In described dry combustion method sensitizing range, the heating track stitch width of heating thick film is half of width of heating track in normal operation district.
A kind of thick-film heating kettle comprises kettle body, electric connection socket, and the bottom of kettle body is provided with the thick film heating device of described anti-dry.
Described substrate welding kettle body bottom.
The beneficial effects of the utility model are:
The thick film heating device of the utility model anti-dry, the substrate, the Kick type temperature controller that comprise heating thick film, printing heating thick film, this Kick type temperature controller comprises bimetal leaf, has the end cap of opening, guide rod and the fixed guide frame of housing, the deformation of transmission bimetal leaf, bimetal leaf, guide rod and leading truck are positioned at housing, end cap is fastened on housing, described bimetal leaf has the arcwall face of evagination towards the opening of end cap, Kick type temperature controller is arranged on substrate, and bimetal leaf, leading truck, end cap and substrate surround the heat transfer cavity.So, when dry combustion method occurs when, pattern by radiation and convection current passes to bimetal leaf with the heat of substrate by approximate airtight heat transfer cavity, has promoted its response speed to heat, avoided traditional mechanical temperature controller conduction heat cause thermal response slow and burn out the danger of thick film
End cap described in the utility model forms lug boss around the periphery of opening to in-flanges, and lug boss is pressed on substrate.So, compress by lug boss and substrate and namely form above-mentioned heat transfer cavity, simple in structure.
Further, the thick film heating device of described anti-dry also comprises mounting bracket, and mounting bracket is provided with the installing hole of Kick type temperature controller, is provided with elastic component in installing hole, mounting bracket is fixed on substrate, and Kick type temperature controller is pressed on substrate through the elastic reaction of elastic component.Install by elastic component, when having reduced it and having installed to the damage of thick film.
Also being provided with normal operation district and dry combustion method sensitizing range on substrate described in the utility model, Kick type temperature controller is arranged in this dry combustion method sensitizing range.The temperature of this dry combustion method sensitizing range is high than other normal regions, makes Kick type temperature controller experience dry-fire condition more responsive, protects more effective.
Further, in described dry combustion method sensitizing range the heating track stitch width of heating thick film less than the width of heating track in the normal operation district.
A kind of thick-film heating kettle described in the utility model comprises kettle body, electric connection socket, and the bottom of kettle body is provided with the thick film heating device of described anti-dry.So, this thick-film heating kettle can effectively prevent dry combustion method, and is more safe and reliable.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the generalized section with thick film heating device of the utility model anti-dry;
Fig. 2 is the thick-film heating track schematic diagram of the thick film heating device of the utility model anti-dry;
Fig. 3 is the enlarged diagram of the thick film heating device of the utility model anti-dry;
Fig. 4 is the cross-sectional view of the utility model thick-film heating kettle.
The label that in figure, component names is corresponding is as follows:
11, heating thick film; 111, dry combustion method sensitizing range; 112, normal operation is distinguished; 12, substrate; 121, anti-overvoltage double-screw bolt; 13, Kick type temperature controller; 131, bimetal leaf; 132, end cap; 1321, opening; 1322, lug boss; 133, housing; 134, guide rod; 135, fixed guide frame; 136, heat transfer cavity; 14, mounting bracket; 141, installing hole; 142, elastic component; 143, fixing hole; 20, thick-film heating kettle; 21, kettle body; 22, electric connection socket.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Execution mode one:
See also the thick film heating device of Fig. 1, Fig. 2 and anti-dry described in the utility model shown in Figure 3, comprise substrate 12, the Kick type temperature controller 13 of heating thick film 11, printing heating thick film 11.This Kick type temperature controller 13 comprises bimetal leaf 131, has the end cap 132 of opening 1321, housing 133, transmit guide rod 134 and the fixed guide frame 135 of bimetal leaf 131 deformation.Bimetal leaf 131, guide rod 134 and leading truck 135 are positioned at housing, and end cap 132 is fastened on housing 133.Described bimetal leaf 131 has the arcwall face of evagination towards the opening 1321 of end cap 132.Kick type temperature controller 13 is arranged on substrate 12.Bimetal leaf 131, leading truck 135, end cap 132 and substrate 12 surround heat transfer cavity 136.
Described heating thick film 11 comprises normal operation district 112 and dry combustion method sensitizing range 111, and the heating track stitch widths in this dry combustion method sensitizing range 111 are less than the width of normal operation district 112 interior heating tracks.So, be no matter normal operation or when dry combustion method occurs, in dry combustion method sensitizing range 111, because its heating track is thinner, resistance value is large, generate heat also many, and its temperature is inevitable higher than the interior temperature in normal operation district 112.Therefore, when dry combustion method occurs, the further fast lifting of temperature of dry combustion method sensitizing range 111 interior generations, and then touch fast Kick type temperature controller 13, and then reduced the risk that thick film burns out.In the present embodiment, in described dry combustion method sensitizing range, the heating track stitch width of heating thick film is half of width of heating track in the normal operation district.
Described substrate 12 is stainless steel substrate, and this substrate 12 is provided with anti-overvoltage double-screw bolt 121, and Kick type temperature controller 13 is arranged on substrate 12 through anti-overvoltage double-screw bolt 121.
Described Kick type temperature controller 13 comprises bimetal leaf 131, has the end cap 132 of opening 1321, housing 133, transmit guide rod 134 and the fixed guide frame 135 of bimetal leaf 131 deformation.Bimetal leaf 131 is provided with the cambered surface towards opening 1321 evaginations, the plane at the cambered surface top of this evagination and opening 1321 places is positioned at same level, so, when Kick type temperature controller 13 was arranged on substrate 12, bimetal leaf 131 can be by the heating thick film 11 on the direct contact substrate 12 of opening 1321.This end cap 132 for have thermal conductivity preferably aluminium make, it is fastened on housing 133, and end cap 132 forms lug boss 1322 around the periphery of opening 1321 to in-flanges.When Kick type temperature controller 13 is arranged on substrate 12, lug boss 1322 is pressed on substrate 12, by lug boss 1322, Kick type temperature controller 13 is supported on substrate 12, so, surround narrow and small heat transfer cavity 136 by bimetal leaf 131, leading truck 135, end cap 132, lug boss 1322, substrate 12.The airtight cavity that this housing 133 is made for pottery avoids housing 133 to conduct heat, and causes scattering and disappearing or affecting the normal operation of other element of heat.Guide rod 134 is arranged on fixed guide frame 125, and an end supports the center of bimetal leaf 131, and an other end supports the switch joint portion, when deformation occurs in bimetal leaf 131, mind-set internal projection wherein, deformation are tried hard to recommend moving guide rod 134, and guide rod 134 drives switches and disconnects.
The thick film heating device of described anti-dry also comprises mounting bracket 14, mounting bracket 14 is provided with the installing hole 141 of Kick type temperature controller 13, be provided with elastic component 142 in installing hole 141, mounting bracket 14 is provided with fixing hole 143, and fixing hole 143 is enclosed within on anti-overvoltage double-screw bolt 121 and is fixed on substrate 12 by nut.Kick type temperature controller 13 is pressed on substrate 12 through the elastic reaction of elastic component 142.The top of being somebody's turn to do anti-overvoltage double-screw bolt 121 is provided with the screw thread, the bottom that coordinate with nut and is the support column larger than fixing hole 143 diameters.So, when mounted, fastening nut is installation during to the support column of bottom, avoids nut overtighten, the heating thick film 11 on damaged substrate 12.
Dry combustion method when occuring in the thick film heating device of anti-dry described in the utility model; the temperature of heating thick film 11 promotes rapidly; make the temperature in heat transfer cavity 136 promote rapidly; bimetal leaf 131 can be comprehensive heat in impression heat transfer cavity 136; reach the effect of fast reaction deformation; realize the effect of quick response protection heating thick film 11, promoted security performance.In addition, by setting dry combustion method sensitizing range 111, further promoted its response speed, safer.
Thick-film heating kettle 20 described in the utility model comprises kettle body 21, electric connection socket 22, and the bottom of kettle body is provided with the thick film heating device of above-mentioned anti-dry.The substrate 12 of thick film heating device is welded on kettle body 21.Kettle body 21 is placed on electric connection socket 22.
The utility model adopts the thick-film heating kettle 20 of the thick film heating device of this anti-dry, guarantees the quick protection when anhydrous dry combustion method, namely can effectively guarantee the Electrical Safety of family, also can protect the device safety of thick-film heating kettle 20 own.
Certainly, described heating thick film also can directly be printed on the bottom of kettle body 21, and the bottom of kettle body 21 is substrate.
Certainly, the thick film heating device of described anti-dry also can be applied to soy bean milk making machine, pressure cooker or other household electrical appliances with thick-film heating of thick-film heating.The nonessential variation of so this utility model is also within the utility model protection range.
Claims (10)
1. the thick film heating device of an anti-dry, the substrate, the Kick type temperature controller that comprise heating thick film, printing heating thick film, this Kick type temperature controller comprises bimetal leaf, has the end cap of opening, guide rod and the fixed guide frame of housing, the deformation of transmission bimetal leaf, bimetal leaf, guide rod and leading truck are positioned at housing, end cap is fastened on housing, it is characterized in that: described bimetal leaf has the arcwall face of evagination towards the opening of end cap, Kick type temperature controller is arranged on substrate, and bimetal leaf, leading truck, end cap and substrate surround the heat transfer cavity.
2. the thick film heating device of anti-dry as claimed in claim 1 is characterized in that: described end cap forms lug boss around the periphery of opening to in-flanges, and lug boss is pressed on substrate.
3. the thick film heating device of anti-dry as claimed in claim 2, it is characterized in that: the thick film heating device of described anti-dry also comprises mounting bracket, mounting bracket is provided with the installing hole of Kick type temperature controller, be provided with elastic component in installing hole, mounting bracket is fixed on substrate, and Kick type temperature controller is pressed on substrate through the elastic reaction of elastic component.
4. the thick film heating device of anti-dry as claimed in claim 3, it is characterized in that: described mounting bracket is provided with fixing hole, and substrate is provided with anti-overvoltage double-screw bolt, and fixing hole is enclosed within on anti-overvoltage double-screw bolt and is fixed by nut.
5. the thick film heating device of anti-dry as claimed in claim 4 is characterized in that: described anti-overvoltage double-screw bolt top is provided with the screw thread that coordinates with nut, and the bottom is the support column larger than fixing hole diameter.
6. as the thick film heating device of the described anti-dry of claim 1 to 5 any one, it is characterized in that: described heating thick film comprises normal operation district and dry combustion method sensitizing range, and Kick type temperature controller is arranged in this dry combustion method sensitizing range.
7. the thick film heating device of anti-dry as claimed in claim 6 is characterized in that: in described dry combustion method sensitizing range, the heating track stitch width of heating thick film is less than the width of heating track in the normal operation district.
8. the thick film heating device of anti-dry as claimed in claim 7 is characterized in that: in described dry combustion method sensitizing range, the heating track stitch width of heating thick film is half of width of heating track in the normal operation district.
9. a thick-film heating kettle, comprise kettle body, electric connection socket, it is characterized in that: the bottom of described kettle body is provided with the thick film heating device of the described anti-dry of claim 1 to 8 any one.
10. thick-film heating kettle as claimed in claim 9, is characterized in that: bottom described substrate welding kettle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540569 CN202931574U (en) | 2012-10-22 | 2012-10-22 | Dry burning-resistant thick membrane heating device and thick membrane heating kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540569 CN202931574U (en) | 2012-10-22 | 2012-10-22 | Dry burning-resistant thick membrane heating device and thick membrane heating kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931574U true CN202931574U (en) | 2013-05-08 |
Family
ID=48221478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540569 Expired - Lifetime CN202931574U (en) | 2012-10-22 | 2012-10-22 | Dry burning-resistant thick membrane heating device and thick membrane heating kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931574U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367035A (en) * | 2013-05-24 | 2013-10-23 | 亮群电子（常熟）有限公司 | Open temperature controller and production process thereof |
| CN104287632A (en) * | 2014-08-30 | 2015-01-21 | 李高升 | Layout structure of electrothermal film at bottom of glass container |
| JP2015037494A (en) * | 2013-08-19 | 2015-02-26 | タイガー魔法瓶株式会社 | Electric water heater |
| CN106973543A (en) * | 2016-01-14 | 2017-07-21 | 中兴通讯股份有限公司 | One kind self-regulation high-low temperature protective device |
| CN109714840A (en) * | 2019-03-01 | 2019-05-03 | 佛山市沃熙电器科技有限公司 | A kind of thick-film heating device assembly |
| CN109743796A (en) * | 2019-03-01 | 2019-05-10 | 佛山市沃熙电器科技有限公司 | A kind of thick-film heating device assembly |
-
2012
- 2012-10-22 CN CN 201220540569 patent/CN202931574U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367035A (en) * | 2013-05-24 | 2013-10-23 | 亮群电子（常熟）有限公司 | Open temperature controller and production process thereof |
| JP2015037494A (en) * | 2013-08-19 | 2015-02-26 | タイガー魔法瓶株式会社 | Electric water heater |
| CN104287632A (en) * | 2014-08-30 | 2015-01-21 | 李高升 | Layout structure of electrothermal film at bottom of glass container |
| CN106973543A (en) * | 2016-01-14 | 2017-07-21 | 中兴通讯股份有限公司 | One kind self-regulation high-low temperature protective device |
| CN109714840A (en) * | 2019-03-01 | 2019-05-03 | 佛山市沃熙电器科技有限公司 | A kind of thick-film heating device assembly |
| CN109743796A (en) * | 2019-03-01 | 2019-05-10 | 佛山市沃熙电器科技有限公司 | A kind of thick-film heating device assembly |
| CN109714840B (en) * | 2019-03-01 | 2024-05-24 | 佛山市百斯特电器科技有限公司 | Household appliance |
| CN109743796B (en) * | 2019-03-01 | 2024-05-24 | 佛山市百斯特电器科技有限公司 | Household appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Huaiyin District of Ji'nan City, Shandong Province, 250118 US 999 miles Patentee after: JOYOUNG Co.,Ltd. Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: JOYOUNG Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |