CN107227419B - A kind of heating disk of electric rice pot - Google Patents
A kind of heating disk of electric rice pot Download PDFInfo
- Publication number
- CN107227419B CN107227419B CN201710441540.7A CN201710441540A CN107227419B CN 107227419 B CN107227419 B CN 107227419B CN 201710441540 A CN201710441540 A CN 201710441540A CN 107227419 B CN107227419 B CN 107227419B
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- Prior art keywords
- aluminium alloy
- generating disc
- alloy heat
- heat
- micro
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- 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
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F3/00—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
Abstract
The invention discloses a kind of heating disk of electric rice pot, aluminium alloy heat-generating disc is placed in high temperature and high pressure environment, places 2.5-2.8 hours, then places 3-5 days naturally, surface irradiation processing is carried out to aluminium alloy heat-generating disc again, surface by micro-arc oxidation processing then is carried out to aluminium alloy heat-generating disc again；The present invention is by carrying out high temperature high pressure process to aluminium alloy heat-generating disc, then nature placement is carried out, can have to aluminium alloy heating disc structure tissue and be significantly improved, enable to each metallic atom dispersion in aluminium alloy more uniform, aluminium alloy heat-generating disc performance is more perfect, heat-resistant deforming temperature is significantly improved, by carrying out surface irradiation processing to aluminium alloy heat-generating disc, then micro-arc oxidation treatment is carried out again, heating disk of electric rice pot surface microhardness is enabled to be significantly improved height, surface film oxide breakdown voltage is high, heat-resistant deforming performance is further improved.
Description
Technical field
The invention belongs to electric cooker technical fields, and in particular to a kind of heating disk of electric rice pot.
Background technique
Electric cooker is the cooker for being changed into interior energy using electric energy.First electric cooker in the world is by Japanese's Masaru Ibuka
The invention of Tokyo Communication Engineering company in nineteen fifty.Heat-generating disc is the main heater element of electric cooker.It is an embedded electricity fever
The aluminium alloy disk of pipe, interior pot are just placed on above it, and removing interior pot can see.General heating disk can all have the line of a circle circle
Road.Lines can increase the surface area of heat-generating disc, to increase the heat dissipation area on surface, keep the heat transfer of heat-generating disc more abundant,
It is uniform quick.
After existing heating disk of electric rice pot has been grown using the time, uses, will lead under the working environment of high temperature for a long time
Heat-generating disc arc deforming is deteriorated with the interior pot goodness of fit, causes heat transfer uneven, electric cooker can not work normally.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of heating disk of electric rice pot is provided.
The present invention is achieved by the following technical solutions:
Aluminium alloy heat-generating disc is placed in high temperature and high pressure environment by a kind of heating disk of electric rice pot, is placed 2.5-2.8 hours,
Then it places 3-5 days naturally, then surface irradiation processing is carried out to aluminium alloy heat-generating disc, table then is carried out to aluminium alloy heat-generating disc again
Surface by micro-arc oxidation processes.
Further, the aluminium alloy heat-generating disc is made of casting aluminium material, by weight percentage, the casting aluminium material at
It is divided into: silicon 13.2-13.5%, iron 0.3-0.5%, copper 1.2-1.4%, manganese 0.36-0.38%, magnesium 0.32-0.38%, chromium 0.04-
0.06%, nickel 0.05-0.08%, zinc 1.5-1.8%, titanium 0.1-0.3%, remaining is aluminium.
Further, the high temperature and pressure be 350-400 DEG C, pressure 2.2-2.5GPa.
Further, described to be placed under 22-26 DEG C of room temperature, normal pressure naturally.
Further, the radiation treatment are as follows: use ion energy for 200keV, beam current density 150A/cm2, pulse
The intense pulsed ion beam that the ion beam mixing that width is 50ns forms carries out surface irradiation processing, irradiation to aluminium alloy heat-generating disc
Number is 4 times, and first time irradiation time is 12s, and second irradiation time is 10s, and third time irradiation time is 10s, the 4th time
Irradiation time is 6s.
Further, the micro-arc oxidation treatment specifically:
(1) prepare electrolyte: the electrolyte is prepared using deionized water, sodium sulphate, sodium bicarbonate, silicic acid in electrolyte
Sodium mass ratio is 1-2:3-5:5-7, and the nanometer sericite of electrolyte quality 2.2% is also added in the electrolyte；
(2) aluminium alloy heat-generating disc is placed in as an electrode in electrolytic cell, separately on the arc-spark stand of micro-arc oxidation device
One electrode uses stainless steel plate, starts micro-arc oxidation device, and Faradaic current is set as 3.5-4A/dm2, and the processing time is 3-
5min then takes out aluminium alloy heat-generating disc, carries out surface clean, vacuum drying using deionized water.
The present invention has the advantage that the present invention by carrying out at high temperature and pressure to aluminium alloy heat-generating disc compared with prior art
Then reason carries out nature placement, can have to aluminium alloy heating disc structure tissue and be significantly improved, enable in aluminium alloy
Each metallic atom dispersion is more uniform, and aluminium alloy heat-generating disc performance is more perfect, and heat-resistant deforming temperature is significantly improved, and leads to
It crosses and surface irradiation processing is carried out to aluminium alloy heat-generating disc, then carry out micro-arc oxidation treatment again, enable to heating disk of electric rice pot
Surface microhardness is significantly improved height, and surface film oxide breakdown voltage is high, and heat-resistant deforming performance is further changed
It is kind.
Specific embodiment
Embodiment 1
Aluminium alloy heat-generating disc is placed in high temperature and high pressure environment by a kind of heating disk of electric rice pot, placement 2.5 hours, then
Naturally it places 3 days, then surface irradiation processing is carried out to aluminium alloy heat-generating disc, surface by micro-arc then is carried out to aluminium alloy heat-generating disc again
Oxidation processes.
The aluminium alloy heat-generating disc is made of casting aluminium material, by weight percentage, the casting aluminium material ingredient are as follows: silicon
13.2%, iron 0.3%, copper 1.2%, manganese 0.36%, magnesium 0.32%, chromium 0.04%, nickel 0.05%, zinc 1.5%, titanium 0.1%, remaining is aluminium.
The high temperature and pressure is 350 DEG C, pressure 2.2GPa.
It is described to be placed under 22 DEG C of room temperature, normal pressures naturally.
The radiation treatment are as follows: use ion energy for 200keV, beam current density 150A/cm2, pulse width 50ns
Ion beam mixing composition intense pulsed ion beam to aluminium alloy heat-generating disc carry out surface irradiation processing, umber of exposures be 4 times,
First time irradiation time is 12s, and second of irradiation time is 10s, and third time irradiation time is 10s, and the 4th time irradiation time is
6s。
The micro-arc oxidation treatment specifically:
(1) prepare electrolyte: the electrolyte is prepared using deionized water, sodium sulphate, sodium bicarbonate, silicic acid in electrolyte
Sodium mass ratio is 1:3:5, and the nanometer sericite of electrolyte quality 2.2% is also added in the electrolyte；
(2) aluminium alloy heat-generating disc is placed in as an electrode in electrolytic cell, separately on the arc-spark stand of micro-arc oxidation device
One electrode uses stainless steel plate, starts micro-arc oxidation device, and Faradaic current is set as 3.5A/dm2, and the processing time is 3min, so
Aluminium alloy heat-generating disc is taken out afterwards, and surface clean, vacuum drying are carried out using deionized water.
Embodiment 2
Aluminium alloy heat-generating disc is placed in high temperature and high pressure environment by a kind of heating disk of electric rice pot, placement 2.8 hours, then
Naturally it places 5 days, then surface irradiation processing is carried out to aluminium alloy heat-generating disc, surface by micro-arc then is carried out to aluminium alloy heat-generating disc again
Oxidation processes.
The aluminium alloy heat-generating disc is made of casting aluminium material, by weight percentage, the casting aluminium material ingredient are as follows: silicon
13.5%, iron 0.5%, copper 1.4%, manganese 0.38%, magnesium 0.38%, chromium 0.06%, nickel 0.08%, zinc 1.8%, titanium 0.3%, remaining is aluminium.
The high temperature and pressure is 400 DEG C, pressure 2.5GPa.
It is described to be placed under 26 DEG C of room temperature, normal pressures naturally.
The radiation treatment are as follows: use ion energy for 200keV, beam current density 150A/cm2, pulse width 50ns
Ion beam mixing composition intense pulsed ion beam to aluminium alloy heat-generating disc carry out surface irradiation processing, umber of exposures be 4 times,
First time irradiation time is 12s, and second of irradiation time is 10s, and third time irradiation time is 10s, and the 4th time irradiation time is
6s。
The micro-arc oxidation treatment specifically:
(1) prepare electrolyte: the electrolyte is prepared using deionized water, sodium sulphate, sodium bicarbonate, silicic acid in electrolyte
Sodium mass ratio is 2:5:7, and the nanometer sericite of electrolyte quality 2.2% is also added in the electrolyte；
(2) aluminium alloy heat-generating disc is placed in as an electrode in electrolytic cell, separately on the arc-spark stand of micro-arc oxidation device
One electrode uses stainless steel plate, starts micro-arc oxidation device, and Faradaic current is set as 4A/dm2, and the processing time is 5min, then
Aluminium alloy heat-generating disc is taken out, surface clean, vacuum drying are carried out using deionized water.
Embodiment 3
Aluminium alloy heat-generating disc is placed in high temperature and high pressure environment by a kind of heating disk of electric rice pot, placement 2.6 hours, then
Naturally it places 4 days, then surface irradiation processing is carried out to aluminium alloy heat-generating disc, surface by micro-arc then is carried out to aluminium alloy heat-generating disc again
Oxidation processes.
The aluminium alloy heat-generating disc is made of casting aluminium material, by weight percentage, the casting aluminium material ingredient are as follows: silicon
13.4%, iron 0.4%, copper 1.3%, manganese 0.37%, magnesium 0.34%, chromium 0.05%, nickel 0.06%, zinc 1.7%, titanium 0.2%, remaining is aluminium.
The high temperature and pressure is 380 DEG C, pressure 2.3GPa.
It is described to be placed under 24 DEG C of room temperature, normal pressures naturally.
The radiation treatment are as follows: use ion energy for 200keV, beam current density 150A/cm2, pulse width 50ns
Ion beam mixing composition intense pulsed ion beam to aluminium alloy heat-generating disc carry out surface irradiation processing, umber of exposures be 4 times,
First time irradiation time is 12s, and second of irradiation time is 10s, and third time irradiation time is 10s, and the 4th time irradiation time is
6s。
The micro-arc oxidation treatment specifically:
(1) prepare electrolyte: the electrolyte is prepared using deionized water, sodium sulphate, sodium bicarbonate, silicic acid in electrolyte
Sodium mass ratio is 1:4:6, and the nanometer sericite of electrolyte quality 2.2% is also added in the electrolyte；
(2) aluminium alloy heat-generating disc is placed in as an electrode in electrolytic cell, separately on the arc-spark stand of micro-arc oxidation device
One electrode uses stainless steel plate, starts micro-arc oxidation device, and Faradaic current is set as 3.8A/dm2, and the processing time is 4min, so
Aluminium alloy heat-generating disc is taken out afterwards, and surface clean, vacuum drying are carried out using deionized water.
Comparative example 1: it is only that with the difference of embodiment 1 and high temperature high pressure process is not carried out to aluminium alloy heat-generating disc.
Comparative example 2: it is only that with the difference of embodiment 1 and radiation treatment is not carried out to aluminium alloy heat-generating disc.
Comparative example 3: it is only that with the difference of embodiment 1 and micro-arc oxidation treatment is not carried out to aluminium alloy heat-generating disc.
Test: performance comparison is carried out to the heating disk of electric rice pot of embodiment and comparative example preparation:
Table 1
| Surface microhardness HV | Surface film oxide breakdown voltage V | Heat distortion temperature/DEG C | |
| Embodiment 1 | 2500 | 2200 | 600 |
| Embodiment 2 | 2500 | 2200 | 600 |
| Embodiment 3 | 2500 | 2200 | 600 |
| Comparative example 1 | 2300 | 1800 | 450 |
| Comparative example 2 | 2200 | 1600 | 420 |
| Comparative example 3 | 1500 | 1200 | 550 |
| Control group | 250 | 600 | 320 |
As can be seen from Table 1, heating disk of electric rice pot surface microhardness prepared by the present invention is high, surface film oxide breakdown potential
Pressure is high, and heat distortion temperature is high.
Claims (1)
1. a kind of heating disk of electric rice pot, which is characterized in that aluminium alloy heat-generating disc is placed in high temperature and high pressure environment, places 2.5-
It 2.8 hours, then places 3-5 days naturally, then surface irradiation processing is carried out to aluminium alloy heat-generating disc, then generate heat again aluminium alloy
Disk carries out surface by micro-arc oxidation processing；The aluminium alloy heat-generating disc is made of casting aluminium material, by weight percentage, the cast aluminium
Material composition are as follows: silicon 13.2-13.5%, iron 0.3-0.5%, copper 1.2-1.4%, manganese 0.36-0.38%, magnesium 0.32-0.38%, chromium
0.04-0.06%, nickel 0.05-0.08%, zinc 1.5-1.8%, titanium 0.1-0.3%, remaining is aluminium；The high temperature and pressure is 350-400
DEG C, pressure 2.2-2.5GPa；It is described to be placed under 22-26 DEG C of room temperature, normal pressure naturally；The radiation treatment are as follows: using from
Sub- energy is 200keV, beam current density 150A/cm2, pulse width are 50ns ion beam mixing composition it is strong current pulsed from
Beamlet carries out surface irradiation processing to aluminium alloy heat-generating disc, and umber of exposures is 4 times, and first time irradiation time is 12s, the second subradius
It is 10s according to the time, third time irradiation time is 10s, and the 4th irradiation time is 6s；The micro-arc oxidation treatment specifically:
(1) prepare electrolyte: the electrolyte is prepared using deionized water, sodium sulphate, sodium bicarbonate, sodium metasilicate matter in electrolyte
Amount ratio is 1-2:3-5:5-7, and the nanometer sericite of electrolyte quality 2.2% is also added in the electrolyte；
(2) aluminium alloy heat-generating disc is placed in electrolytic cell as an electrode, Ling Yi electricity on the arc-spark stand of micro-arc oxidation device
Pole uses stainless steel plate, starts micro-arc oxidation device, and Faradaic current is set as 3.5-4A/dm2, and the processing time is 3-5min, so
Aluminium alloy heat-generating disc is taken out afterwards, and surface clean, vacuum drying are carried out using deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441540.7A CN107227419B (en) | 2017-06-13 | 2017-06-13 | A kind of heating disk of electric rice pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441540.7A CN107227419B (en) | 2017-06-13 | 2017-06-13 | A kind of heating disk of electric rice pot |
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| Publication Number | Publication Date |
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| CN107227419A CN107227419A (en) | 2017-10-03 |
| CN107227419B true CN107227419B (en) | 2019-01-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109183128A (en) * | 2018-09-06 | 2019-01-11 | 慈溪市合金属制品有限公司 | A kind of plated film intelligence alloy for kitchen Metal Structural Parts |
| CN109666823B (en) * | 2019-01-14 | 2021-03-23 | 浙江飞哲工贸有限公司 | Method for preparing heating plate by using secondary aluminum and aluminum alloy used for heating plate |
| CN113318942A (en) * | 2021-06-08 | 2021-08-31 | 湖北香江电器股份有限公司 | Method for removing bisphenol A in aluminum heating element |
Citations (4)
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|---|---|---|---|---|
| CN2509481Y (en) * | 2001-11-15 | 2002-09-04 | 梁炳东 | Heating plate of electric cooker |
| CN102797024A (en) * | 2012-09-11 | 2012-11-28 | 山东大学 | Method for carrying out micro-arc oxidation on blue-colored film layer by aluminum alloy |
| CN103074660A (en) * | 2013-01-30 | 2013-05-01 | 长安大学 | Preparation method of ZrO2/Al2O3 composite membrane on surfaces of aluminium and aluminium alloy |
| CN105256185A (en) * | 2015-11-11 | 2016-01-20 | 天津爱田汽车部件有限公司 | Cast aluminum alloy high in thermal conductivity |
-
2017
- 2017-06-13 CN CN201710441540.7A patent/CN107227419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509481Y (en) * | 2001-11-15 | 2002-09-04 | 梁炳东 | Heating plate of electric cooker |
| CN102797024A (en) * | 2012-09-11 | 2012-11-28 | 山东大学 | Method for carrying out micro-arc oxidation on blue-colored film layer by aluminum alloy |
| CN103074660A (en) * | 2013-01-30 | 2013-05-01 | 长安大学 | Preparation method of ZrO2/Al2O3 composite membrane on surfaces of aluminium and aluminium alloy |
| CN105256185A (en) * | 2015-11-11 | 2016-01-20 | 天津爱田汽车部件有限公司 | Cast aluminum alloy high in thermal conductivity |
Non-Patent Citations (2)
| Title |
|---|
| 亚共晶和共晶铝硅合金强流脉冲电子束表面改性研究;江飞;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20140715;B022-142 |
| 铝硅合金微弧氧化膜的微观形貌及耐磨性研究;刘耀辉 等;《哈尔滨工业大学学报》;20060731;第123-126页 |
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