CN105992403B - Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil - Google Patents

Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil Download PDF

Info

Publication number
CN105992403B
CN105992403B CN201510072549.6A CN201510072549A CN105992403B CN 105992403 B CN105992403 B CN 105992403B CN 201510072549 A CN201510072549 A CN 201510072549A CN 105992403 B CN105992403 B CN 105992403B
Authority
CN
China
Prior art keywords
film layer
far infrared
equal
infrared emission
electrode
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.)
Active
Application number
CN201510072549.6A
Other languages
Chinese (zh)
Other versions
CN105992403A (en
Inventor
尹善章
房振
王新元
张建亮
张贵林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201510072549.6A priority Critical patent/CN105992403B/en
Priority to KR1020177024802A priority patent/KR101949833B1/en
Priority to EP15881694.2A priority patent/EP3245921B1/en
Priority to US15/550,363 priority patent/US20180042424A1/en
Priority to PCT/CN2015/081566 priority patent/WO2016127533A1/en
Priority to JP2017542479A priority patent/JP6564047B2/en
Publication of CN105992403A publication Critical patent/CN105992403A/en
Application granted granted Critical
Publication of CN105992403B publication Critical patent/CN105992403B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a mixed liquid, a far infrared emission film layer, a manufacturing method of the far infrared emission film layer, an electric heating plate and a cooking utensil. The mixed liquid comprises stannic chloride, nickel tetrachloride, ferric oxide, titanium tetrachloride, sodium chloride, stannic oxide, hydrochloric acid, glycerol and ionized water. According to the mixed liquid provided by the invention, the far infrared emission film layer made on the surface of the insulating substrate at the high temperature of 450-600 ℃ is matched with the electric heating film layer for use, so that the radiant heat energy can be converted into far infrared heat energy radiation, the temperature can be rapidly increased, the temperature of moisture discharge loss can be reduced, the absorption speed of heated energy can be increased, and the heat energy loss can be reduced, so that the radiant heat conduction efficiency is effectively increased, the purpose of energy conservation is achieved, and the national requirements for energy conservation of products can be better met.

Description

Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil
Technical Field
The invention relates to the field of household appliances, in particular to a mixed liquid, a manufacturing method of a far infrared emission film layer, an electric heating plate and a cooking utensil.
Background
At present, electric heating electric products (such as cooking appliances like induction cookers, electric cookers and the like) at home and abroad basically adopt a traditional electric wire heating technology and an electromagnetic heating technology, however, the electric-heat conversion energy efficiency of the technology is low, the national energy-saving and environment-friendly requirements cannot be completely met, and a large amount of energy is wasted.
Therefore, how to improve the electricity-heat conversion energy efficiency ratio of the electric heating appliance product to improve the utilization rate of energy so as to better meet the national energy-saving and environment-friendly requirements is a technical problem which needs to be solved by technical personnel in the field at present.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
therefore, the invention provides the mixed liquid, the far infrared emission film layer prepared by the mixed liquid is matched with the electric heating film layer for use, the electric-heat conversion energy efficiency ratio can be improved, the purpose of energy conservation is realized, the national requirement on energy conservation of products is better met, and the practicability is obvious.
In order to achieve the above objects, an embodiment of the first aspect of the present invention provides a mixed liquid for preparing a far infrared emission film layer, including tin tetrachloride, nickel tetrachloride, iron oxide, titanium tetrachloride, sodium chloride, tin dioxide, hydrochloric acid, glycerol, and ionized water.
the mixed liquid provided by the invention can convert radiation heat energy into far infrared radiation heat energy by matching the prepared far infrared emission film layer with the electrothermal film layer, thereby realizing rapid temperature increase, reducing the temperature of moisture discharge loss, enhancing the speed of absorption of heated energy and reducing the heat energy loss, thereby effectively improving the radiation heat conduction efficiency, achieving the purpose of energy saving and better meeting the national requirements on product energy saving.
In addition, the manufacturing method of the far infrared emission film layer provided by the above embodiment of the present invention further has the following additional technical features:
According to an embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 10-30: 3-10: 10-18: 5-8: 2-6: 10-18: 6-12: 6-18: 20-45, so that the spectral emissivity and the thermal radiation efficiency of the prepared far infrared emission film layer can be improved better, and the practicability is better.
The embodiment of the second aspect of the invention provides a method for manufacturing a far infrared emission film layer, which comprises the steps of spraying, depositing or evaporating a mixed solution containing tin tetrachloride, nickel tetrachloride, ferric oxide, titanium tetrachloride, sodium chloride, tin dioxide, hydrochloric acid, glycerol and ionized water on the surface of an insulating substrate to prepare the far infrared emission film layer, and then annealing and film-forming the far infrared emission film layer and the insulating substrate to prepare the far infrared emission film layer.
The far infrared transmitting film layer provided by the invention has the advantages that the manufacturing method is simple, the operation is convenient, the manufactured far infrared transmitting film layer and the electric heating film layer are matched for use, the radiation heat energy can be converted into the far infrared heat energy, the temperature can be rapidly increased, the temperature of moisture discharge loss can be reduced, the absorption speed of heated energy can be increased, and the heat energy loss can be reduced, so that the radiation heat conduction efficiency can be effectively increased, the energy-saving purpose can be achieved, and the national requirements for product energy conservation can be better met.
in addition, the manufacturing method of the far infrared emission film layer provided by the above embodiment of the present invention further has the following additional technical features:
According to an embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 10-30: 3-10: 10-18: 5-8: 2-6: 10-18: 6-12: 6-18: 20-45, so that the spectral emissivity and the thermal radiation efficiency of the far infrared emission film layer can be improved, and the practicability is better.
The far infrared emission film layer prepared by the parameters is matched with the electrothermal film layer for use, the spectral emissivity and the thermal radiation efficiency are good, the heat utilization rate is high, and the highest heat utilization rate can reach more than 96%.
According to one embodiment of the present invention, an electrode film of silver oxide is sprayed on both ends of the manufactured far infrared emission film layer, and then the far infrared emission film layer sprayed with the electrode film and a high temperature insulating base are subjected to an annealing film forming process to attach the far infrared emission film layer on the insulating base; the electrode film can be electrically connected with a power supply source, and the transmission, conversion and the like of the electrical property can be more stable.
According to an embodiment of the present invention, the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol, and the ionized water are mixed, stirred, and heated to form the mixed solution, so that the mixed solution is uniformly mixed, thereby improving the performance of the prepared far infrared emission film layer.
According to one embodiment of the invention, the mixed solution is deposited on the surface of the insulating substrate by adopting a PVD (physical vapor deposition) technology, so that the prepared far infrared emission film layer has better deposition quality and more stable performance.
Pvd (physical Vapor deposition) refers to the process of using physical processes to achieve the transfer of atoms or molecules from a source onto the surface of a substrate.
According to one embodiment of the invention, the processing temperature of the annealing film-forming process is 450-600 ℃, and the processing time of the annealing film-forming process is 15-25 min; the far infrared emission film layer prepared by adopting the parameters has good stability and electrical property and high heat utilization rate.
In a third aspect of the present invention, there is provided a far infrared emission film layer, which is manufactured by the method of any one of the above embodiments.
the far infrared transmitting film layer and the electric heating film layer are matched for use, so that radiant heat energy can be converted into far infrared heat energy, the temperature can be rapidly increased, the temperature of moisture loss is reduced, the absorption speed of heated energy is increased, and the heat energy loss is reduced, so that the radiant heat conduction efficiency is effectively increased, the purpose of saving energy is achieved, the national requirements on energy conservation of products are better met, and the practicability of the manufactured cooking utensil is more obvious.
Embodiments of a fourth aspect of the invention provide an electric heating plate comprising: a tray body; and a thermal film layer attached to the tray body; wherein, the hot rete includes electric heat rete and the far infrared emission rete of above-mentioned embodiment.
According to the electric heating plate provided by the invention, the heat film layer converts radiation heat energy into far infrared heat energy in the using process, so that the temperature of a pot is rapidly increased, the temperature of moisture loss is reduced, the absorption speed of heated energy is increased, and the heat energy loss is reduced, so that the radiation heat conduction efficiency is effectively increased, the heat efficiency can reach more than 96%, the purpose of energy conservation is achieved, the national requirement on energy conservation of products is met, and the practicability of the manufactured cooking utensil is more remarkable.
In addition, the electric heating plate provided by the above embodiment of the present invention has the following additional technical features:
According to one embodiment of the invention, the tray body comprises: the far infrared emission film layer is attached to the lower film surface of the electric heating film layer; the lower disc body is positioned below the upper disc body and assembled with the upper disc body; so as to better utilize heat energy and quickly heat the pot body placed on the upper plate surface of the lower plate body.
Of course, the thermal film layer can also be attached to the upper disc surface of the upper disc body, or attached to the upper disc surface or the lower disc surface of the lower disc body, and the like; the purpose of the present application can be achieved, the purpose of which does not depart from the design idea of the present invention, and the details are not described herein, but the present application shall fall within the protection scope.
The far infrared emission film layer can also be attached to the lower disc surface of the upper disc body, and the electrothermal film layer is attached to the lower layer surface of the far infrared emission film layer; the purpose of the present application can also be achieved, the purpose of which does not depart from the design idea of the present invention, and the details are not described herein, but the present application shall fall within the protection scope.
According to one embodiment of the invention, the electric heating plate further comprises: an electrode film; the upper end of the electrode is electrically connected with the electrode film, and the lower end of the electrode penetrates through the lower tray body to extend downwards to be connected with a power supply source, so that power is supplied to the electrothermal film layer through the power supply source; the power supply source can also supply power to the electrothermal film layer and the far infrared emission film layer.
Of course, the electrode film may be replaced by a conductor such as a power line, and the object of the present invention may be achieved.
According to one embodiment of the invention, the upper disc surface of the lower disc body is provided with a stepped hole, the lower end of the electrode passes through the stepped hole to protrude downwards, and the upper end of the electrode is supported on the stepped surface of the stepped hole; wherein, the upper end of electrode with be provided with the spring between the ladder face of shoulder hole, the spring supports the upper end of electrode, so that it compresses tightly on the electrode film, avoid appearing the problem of virtual contact between electrode and the electrode film, its real electric connection performance is better.
According to an embodiment of the present invention, the heat film layer is in a ring shape, the electrode films, the electrodes and the stepped hole each include two symmetrically arranged electrode films, inner ends of the two electrode films are located at inner edges of the heat film layer, outer ends of the two electrode films are located at outer edges of the heat film layer, upper end surfaces of the two electrodes are correspondingly pressed at outer edges of the two electrode films, and upper end surfaces of the two electrodes are correspondingly pressed at outer edges of the two electrode films, so that the whole electric heat film layer is utilized to perform electric work, and maximum utilization of the electric heat film layer is achieved.
According to one embodiment of the invention, the upper tray body is a glass carrier, and the lower tray body is a ceramic carrier.
it can also be: the lower tray body is a glass carrier, and the upper tray body is a ceramic carrier; the object of the present application is also achieved.
According to one embodiment of the invention, the two electrode films are manufactured by a mask sputtering process, and the thicknesses of the electrode films are 3-10 μm; the hot rete is according to the linear function change law of interior border department 0.5um thickness to the outside department 1.5um thickness and carries out the spraying, and every square centimeter's spraying power is 3 ~ 5 watts to influence the unbalanced problem of heating surface temperature.
And the total current and the bearable working current density at the joint of the electrode film of the alloy film and the upper end surface of the electrode are more than or equal to 3.0 times of the total power of the electric heating film layer; the thickness of the upper part of the electrode above the step surface is 1.0 mm, under the action of the elastic force of the spring, the spring jacks up the electrode to be in close contact with the electrode film, the electrode is in contact connection with the electrode film, the lower end of the electrode is in close connection with the power supply, and therefore the problems of safety, stability and reliability of power supply connection of the (nanometer far infrared) electric heating plate can be improved.
the electric heating film layer prepared under the condition has the resistivity of 4 multiplied by 10 < -4 > omega cm, the visible light transmittance is higher than 90 percent, the power density can reach 32W/cm2 on average, and the power stability and reliability of the far infrared electric heating disc are ensured.
Wherein, the electric heating plate of this application is the electric heating plate of the far infrared formula of nanometer, promptly: the electric heating film layer is a nano far infrared type electric heating film layer.
Embodiments of the fifth aspect of the present invention provide a cooking appliance, including the electric heating plate according to any one of the above embodiments.
Wherein, cooking utensil includes electromagnetism stove, electric rice cooker and electric pressure cooker etc. just cooking utensil possesses the whole advantages of any one above-mentioned embodiment, and the no longer repeated description here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
drawings
the above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
Fig. 1 is a schematic cross-sectional view of an electric heating plate according to an embodiment of the present invention;
Fig. 2 is a partially exploded view of the electric heating plate shown in fig. 1, wherein an electric heating film layer is attached to the lower plate surface of the upper plate body.
wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
the infrared radiation film layer 1, the upper disc body 2, the lower disc body 3, the electrode film layer 4, the electrode 5, the stepped hole 6 and the spring 7.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
embodiments of the first aspect of the present invention provide a mixed solution for preparing a far infrared emission film layer, comprising tin tetrachloride, nickel tetrachloride, iron oxide, titanium tetrachloride, sodium chloride, tin dioxide, hydrochloric acid, glycerol and ionized water.
The mixed liquid provided by the invention can convert radiation heat energy into far infrared heat energy by matching the prepared far infrared emission film layer with the electrothermal film layer, thereby realizing rapid temperature increase, reducing the temperature of moisture loss, enhancing the speed of absorption of heated energy, reducing the heat energy loss, effectively improving the radiation heat conduction efficiency, achieving the purpose of energy saving and better meeting the national requirements on product energy saving.
in addition, the manufacturing method of the far infrared emission film layer provided by the above embodiment of the present invention further has the following additional technical features:
In one embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 10-30: 3-10: 10-18: 5-8: 2-6: 10-18: 6-12: 6-18: 20-45, so that the spectral emissivity and the heat radiation efficiency of the prepared far infrared emission film layer can be improved better, and the practicability is better.
in a first specific example of the present invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol, and the ionized water is 10:3:10:5:2:10:6:6: 20.
In a second specific example of the present invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol, and the ionized water is 30:10:18:8:6:18:12:18: 45.
In a third specific example of the present invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol, and the ionized water is 20:7:14:6:4:14:9:12: 32.
The far infrared emission film layer prepared by the three embodiments is matched with the electric heating film layer for use, and can convert radiation heat energy into far infrared heat energy, so that the temperature is rapidly increased, the temperature of moisture discharge loss can be reduced, the speed of absorption of heated energy is increased, and the heat energy loss is reduced, thereby effectively improving the radiation heat conduction efficiency and achieving the purpose of energy saving, and the energy efficiency utilization rate is up to more than 90 percent, even up to more than 96 percent.
The embodiment of the second aspect of the invention provides a method for manufacturing a far infrared emission film layer, which comprises the steps of spraying, depositing or evaporating a mixed solution containing tin tetrachloride, nickel tetrachloride, ferric oxide, titanium tetrachloride, sodium chloride, tin dioxide, hydrochloric acid, glycerol and ionized water on the surface of an insulating substrate to prepare the far infrared emission film layer, and then annealing the far infrared emission film layer and the insulating substrate to form a film so as to attach the far infrared emission film layer on the insulating substrate.
The far infrared transmitting film layer provided by the invention has the advantages that the manufacturing method is simple, the operation is convenient, the manufactured far infrared transmitting film layer and the electric heating film layer are matched for use, the radiation heat energy can be converted into the far infrared heat energy, the temperature can be rapidly increased, the temperature of moisture discharge loss can be reduced, the absorption speed of heated energy can be increased, and the heat energy loss can be reduced, so that the radiation heat conduction efficiency can be effectively increased, the energy-saving purpose can be achieved, and the national requirements for product energy conservation can be better met.
when the far infrared emission film layer prepared by the method is used in cooperation with an electrothermal film layer, the film resistance of the far infrared emission film layer is reduced along with the increase of the temperature, and the stability of the film resistance of the far infrared emission film layer and the electrothermal film layer can be effectively improved, so that the problem of power stability of the far infrared electrothermal film layer and the electrothermal film layer is solved.
in addition, the manufacturing method of the far infrared emission film layer provided by the above embodiment of the present invention further has the following additional technical features:
In one embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 10-30: 3-10: 10-18: 5-8: 2-6: 10-18: 6-12: 6-18: 20-45, so that the spectral emissivity and the thermal radiation efficiency of the far infrared emission film layer can be improved, and the practicability is better.
The far infrared emission film layer prepared by the parameters is matched with the electrothermal film layer for use, the spectral emissivity and the thermal radiation efficiency are good, the heat utilization rate is high, and the highest heat utilization rate can reach more than 96%.
Further, spraying an electrode film of silver oxide on both ends of the prepared far infrared emission film layer, and then annealing the far infrared emission film layer sprayed with the electrode film and an insulating base body to form a film so that the far infrared emission film layer is attached to the insulating base body; the electrode film can be electrically connected with a power supply source, and the transmission, conversion and the like of the electrical property can be more stable.
And further, the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water are mixed, stirred and heated to prepare the mixed solution, so that the mixed solution is uniformly mixed, and the performance of the prepared far infrared emission film layer can be improved.
In one embodiment of the invention, the mixed solution is deposited on the surface of the insulating substrate by adopting a PVD (physical vapor deposition) technology, so that the prepared far infrared emission film layer has better deposition quality and more stable performance.
Pvd (physical Vapor deposition) refers to the process of using physical processes to achieve the transfer of atoms or molecules from a source onto the surface of a substrate.
Preferably, the treatment temperature of the annealing film-forming process is 450-600 ℃, and the treatment time of the annealing film-forming process is 15-25 min; the far infrared emission film layer prepared by adopting the parameters has good stability and electrical property and high heat utilization rate.
in a first specific embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 10:3:10:5:2:10:6:6:20, the treatment temperature of the annealing film forming process is 450 ℃, the treatment time is 15min, and the spraying method, the deposition method and the evaporation method are respectively adopted to prepare the electrothermal film layer.
In a second specific embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 30:10:18:8:6:18:12:18:45, the treatment temperature of the annealing film forming process is 600 ℃, the treatment time is 25min, and the spraying method, the deposition method and the evaporation method are respectively adopted to prepare the electrothermal film layer.
in a third specific embodiment of the invention, the mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is 20:7:14:6:4:14:9:12:32, the treatment temperature of the annealing film forming process is 500 ℃, the treatment time is 20min, and the spraying method, the deposition method and the evaporation method are respectively adopted to prepare the electrothermal film layer.
The electrothermal film layer prepared by the three methods can convert radiant heat energy into far infrared heat energy, realize rapid temperature increase, reduce the temperature of moisture discharge loss, enhance the speed of heated energy absorption and reduce the heat energy loss, and has energy efficiency utilization rate of more than 90 percent and even more than 96 percent at most.
In a third aspect of the present invention, there is provided a far infrared emission film layer, which is manufactured by the method of any one of the above embodiments.
The far infrared transmitting film layer and the electric heating film layer are matched for use, so that radiant heat energy can be converted into far infrared heat energy, the temperature can be rapidly increased, the temperature of moisture loss is reduced, the absorption speed of heated energy is increased, and the heat energy loss is reduced, so that the radiant heat conduction efficiency is effectively increased, the purpose of saving energy is achieved, the national requirements on energy conservation of products are better met, and the practicability of the manufactured cooking utensil is more obvious.
Embodiments of a fourth aspect of the invention provide an electric heating plate comprising: a tray body; and a thermal film layer attached to the tray body; wherein, the hot film layer comprises an electrothermal film layer and the far infrared emission film layer 1 of the embodiment.
according to the electric heating plate provided by the invention, the heat film layer converts radiation heat energy into far infrared heat energy in the using process, so that the temperature of a pot is rapidly increased, the temperature of moisture loss is reduced, the absorption speed of heated energy is increased, and the heat energy loss is reduced, so that the radiation heat conduction efficiency is effectively increased, the heat efficiency can reach more than 96%, the purpose of energy conservation is achieved, the national requirement on energy conservation of products is met, and the practicability of the manufactured cooking utensil is more remarkable.
The resistance of the hot film layer of the electric heating plate manufactured by the method is reduced along with the rise of the temperature, so that the stability of the film resistance of the hot film layer can be effectively improved, and the problem of the power stability of the hot film layer is solved.
In addition, the electric heating plate provided by the above embodiment of the present invention has the following additional technical features:
In one embodiment of the present invention, the tray body includes: the upper tray body 2 is attached to the lower tray surface of the upper tray body 2, and the far infrared emission film layer 1 is attached to the lower tray surface of the electric heating film layer; the lower disc body 3 is positioned below the upper disc body 2 and assembled with the upper disc body 2; so as to better utilize the heat energy and quickly heat the pot body placed on the upper disc surface of the lower disc body 3.
Of course, the thermal film layer can also be attached to the upper disc surface of the upper disc body 2, or to the upper disc surface or the lower disc surface of the lower disc body 3, and the like; the purpose of the present application can be achieved, the purpose of which does not depart from the design idea of the present invention, and the details are not described herein, but the present application shall fall within the protection scope.
The far infrared emission film layer 1 can also be attached to the lower disc surface of the upper disc body 2, and the electrothermal film layer is attached to the lower layer surface of the far infrared emission film layer 1; the purpose of the present application can also be achieved, the purpose of which does not depart from the design idea of the present invention, and the details are not described herein, but the present application shall fall within the protection scope.
Preferably, the electric heating plate further comprises: an electrode film 4; the electrode 5 is arranged on the upper disc surface of the lower disc body 3, the upper end of the electrode 5 is electrically connected with the electrode film 4, the lower end of the electrode 5 penetrates through the lower disc body 3 to extend downwards to be connected with a power supply source, and the power supply source is used for supplying power to the electrothermal film layer; the power supply source can also be used for supplying power to the electrothermal film layer and the far infrared emission film layer 1.
Of course, the electrode film 4 may be replaced by a conductor such as a power line, and the object of the present invention can be achieved.
further, a stepped hole 6 is formed in the upper disc surface of the lower disc body 3, the lower end of the electrode 5 penetrates through the stepped hole 6 to extend downwards, and the upper end of the electrode 5 is supported on the stepped surface of the stepped hole 6; wherein, the upper end of electrode 5 with be provided with spring 7 between the ladder face of shoulder hole 6, spring 7 supports the upper end of electrode 5, so that it compresses tightly on electrode film 4, avoids appearing the problem of virtual contact between electrode 5 and the electrode film 4, and its real electric connection performance is better.
Wherein, the hot rete is the annular form, electrode membrane 4 electrode 5 with shoulder hole 6 all includes two that the symmetry set up, and two the inner of electrode membrane 4 is located the interior border department of hot rete, the outer end is located the outside department of hot rete, two the up end of electrode 5 should compress tightly two the outside department of electrode membrane 4 to utilize whole electric heat rete to come the circular telegram work, realize its maximize utilization.
In addition, the upper tray body 2 is a glass carrier, and the lower tray body 3 is a ceramic carrier.
It can also be: the lower tray body 3 is a glass carrier, and the upper tray body 2 is a ceramic carrier; the object of the present application is also achieved.
Specifically, the cross section of the upper ends of the two electrodes 5 is in an oval shape of 8.0mm by 10.0 mm; the two electrode films 4 are manufactured by a mask sputtering process, and the thickness of each electrode film 4 is 6.0 mu m, the width of each electrode film is 10.0mm, and the length of each electrode film is 46.0-56.0 mm; the hot rete is according to the linear function change law of interior border department 0.5um thickness to the outside department 1.5um thickness and carries out the spraying, and every square centimeter's spraying power is 3 ~ 5 watts to influence the unbalanced problem of heating surface temperature.
And the total current and the bearable working current density at the joint of the upper end surfaces of the electrode film 4 and the electrode 5 of the alloy film are more than or equal to 3.0 times of the total power of the electric heating film layer; the thickness of the upper part of the electrode 5 above the step surface is 1.0 mm, under the action of the elastic force of the spring 7, the spring 7 jacks up the electrode 5 to be in close contact with the electrode film 4, the electrode 5 is in contact connection with the electrode film 4, the lower end of the electrode 5 is in close connection with the power supply, and therefore the problems of safety, stability and reliability of power supply connection of the (nanometer far infrared) electric heating plate can be improved.
the electric heating film layer prepared under the condition has the resistivity of 4 multiplied by 10 < -4 > omega cm, the visible light transmittance is higher than 90 percent, the power density can reach 32W/cm2 on average, and the power stability and reliability of the far infrared electric heating disc are ensured.
wherein, the electric heating plate of this application is the electric heating plate of the far infrared formula of nanometer, promptly: the electric heating film layer is a nano far infrared type electric heating film layer.
Embodiments of the fifth aspect of the present invention provide a cooking appliance, including the electric heating plate according to any one of the above embodiments.
Wherein, cooking utensil includes electromagnetism stove, electric rice cooker and electric pressure cooker etc. just cooking utensil possesses the whole advantages of any one above-mentioned embodiment, and the no longer repeated description here.
the mixed liquid provided by the invention can convert radiation heat energy into far infrared heat energy by matching the prepared far infrared emission film layer with the electrothermal film layer, thereby realizing rapid temperature increase, reducing the temperature of moisture loss, enhancing the speed of absorption of heated energy, reducing the heat energy loss, effectively improving the radiation heat conduction efficiency, achieving the purpose of energy saving and better meeting the national requirements on product energy saving.
In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (15)

1. A mixed liquid is used for preparing a far infrared emission film layer and is characterized by comprising stannic chloride, nickel tetrachloride, ferric oxide, titanium tetrachloride, sodium chloride, stannic oxide, hydrochloric acid, glycerol and ionized water;
The mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerin and the ionized water is greater than 10 and less than or equal to 30: greater than 3 and less than or equal to 10: greater than or equal to 10 and less than or equal to 18: greater than or equal to 5 and less than or equal to 8: greater than 2 and less than or equal to 6: greater than 10 and less than or equal to 18: greater than or equal to 10 and less than or equal to 12: greater than 15 and less than or equal to 18: greater than or equal to 40 and less than or equal to 45.
2. A method for manufacturing far infrared emission film layer is characterized in that mixed liquid containing stannic chloride, nickel tetrachloride, ferric oxide, titanium tetrachloride, sodium chloride, stannic oxide, hydrochloric acid, glycerol and ionized water is sprayed, deposited or evaporated on the surface of an insulating substrate to prepare the far infrared emission film layer, and then the far infrared emission film layer and the insulating substrate are annealed and processed by a film forming process;
The mass ratio of the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water is greater than 10 and less than or equal to 30: greater than 3 and less than or equal to 10: greater than or equal to 10 and less than or equal to 18: greater than or equal to 5 and less than or equal to 8: greater than 2 and less than or equal to 6: greater than 10 and less than or equal to 18: greater than or equal to 10 and less than or equal to 12: greater than 15 and less than or equal to 18: greater than or equal to 40 and less than or equal to 45;
The far infrared emission film layer is matched with the electric heating film layer, and the overall impedance of the far infrared emission film layer and the electric heating film layer is reduced along with the increase of temperature.
3. The method for manufacturing a far infrared emission film layer according to claim 2,
And spraying silver oxide electrode films at two ends of the prepared far infrared emission film layer, and then annealing the far infrared emission film layer and the insulation substrate sprayed with the electrode films to form a film.
4. The method for manufacturing a far infrared emission film layer according to claim 2,
the tin tetrachloride, the nickel tetrachloride, the iron oxide, the titanium tetrachloride, the sodium chloride, the tin dioxide, the hydrochloric acid, the glycerol and the ionized water are mixed, stirred and heated to prepare the mixed solution.
5. the method for manufacturing a far infrared emission film layer according to claim 2,
and depositing the mixed solution on the surface of the insulating substrate by adopting a PVD (physical vapor deposition) technology.
6. The method for manufacturing a far infrared emission film layer according to any one of claims 2 to 5,
The processing temperature of the annealing film-forming process is 450-600 ℃, and the processing time of the annealing film-forming process is 15-25 min.
7. A far infrared emission film layer, characterized in that the far infrared emission film layer is manufactured by the method for manufacturing the far infrared emission film layer according to any one of claims 2 to 6.
8. An electric heating plate, comprising:
A tray body; and
The heat film layer is attached to the tray body;
Wherein the heat film layer includes an electrothermal film layer and a far infrared emission film layer as set forth in claim 7.
9. The electric heating pan of claim 8, wherein the pan body comprises:
The far infrared emission film layer is attached to the lower film surface of the electric heating film layer; and
And the lower disc body is positioned below the upper disc body and assembled with the upper disc body.
10. The electric heating plate of claim 9, further comprising:
An electrode film; and
and the electrode is arranged on the upper disc surface of the lower disc body, the upper end of the electrode is electrically connected with the electrode film, and the lower end of the electrode penetrates through the lower disc body and extends downwards.
11. electric hotplate according to claim 10,
The upper disc surface of the lower disc body is provided with a stepped hole, the lower end of the electrode penetrates through the stepped hole and extends downwards, and the upper end of the electrode is supported on the stepped surface of the stepped hole;
And a spring is arranged between the upper end of the electrode and the step surface of the step hole, and supports the upper end of the electrode so as to tightly press the electrode film.
12. electric hotplate according to claim 11,
The hot rete is the annular form, the electrode membrane the electrode with the shoulder hole all includes two that the symmetry set up, and two the inner of electrode membrane is located the interior border department of hot rete, the outer end is located the outside department of hot rete, two the up end of electrode corresponds compresses tightly two the outside department of electrode membrane.
13. Electric hotplate according to claim 12,
The upper tray body is a glass carrier, and the lower tray body is a ceramic carrier.
14. Electric hotplate according to claim 12,
The cross sections of the upper ends of the two electrodes are 8.0mm x 10.0mm in an elliptical shape;
The two electrode films are manufactured by a mask sputtering process, and the thickness of each electrode film is 3-10 mu m;
the thermal film layer is sprayed according to the linear function change rule from the thickness of 0.5um at the inner edge to the thickness of 1.5um at the outer edge, and the spraying power per square centimeter is 3-5 watts.
15. A cooking appliance comprising an electric heating plate as claimed in any one of claims 8 to 14.
CN201510072549.6A 2015-02-11 2015-02-11 Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil Active CN105992403B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201510072549.6A CN105992403B (en) 2015-02-11 2015-02-11 Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil
KR1020177024802A KR101949833B1 (en) 2015-02-11 2015-06-16 A method of manufacturing a heat transfer film layer, a heat transfer film layer, an electric heating plate and a cooking device
EP15881694.2A EP3245921B1 (en) 2015-02-11 2015-06-16 Electrothermal film layer manufacturing method, electrothermal film layer, electrically-heating plate, and cooking utensil
US15/550,363 US20180042424A1 (en) 2015-02-11 2015-06-16 Electrothermal film layer manufacturing method, electrothermal film layer, electrically-heating plate, and cooking utensil
PCT/CN2015/081566 WO2016127533A1 (en) 2015-02-11 2015-06-16 Electrothermal film layer manufacturing method, electrothermal film layer, electrically-heating plate, and cooking utensil
JP2017542479A JP6564047B2 (en) 2015-02-11 2015-06-16 Method for producing electrothermal film layer, electrothermal film layer, electric heating plate and cooking utensil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510072549.6A CN105992403B (en) 2015-02-11 2015-02-11 Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil

Publications (2)

Publication Number Publication Date
CN105992403A CN105992403A (en) 2016-10-05
CN105992403B true CN105992403B (en) 2019-12-06

Family

ID=57041788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510072549.6A Active CN105992403B (en) 2015-02-11 2015-02-11 Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil

Country Status (1)

Country Link
CN (1) CN105992403B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112890300B (en) * 2021-02-05 2021-11-02 东莞市中科智恒新材料有限公司 Far infrared quartz tube applied to low-temperature non-combustible electronic cigarette atomizer and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09148050A (en) * 1995-11-29 1997-06-06 Matsushita Electric Ind Co Ltd Ptc heater
DE102009022526A1 (en) * 2009-05-25 2010-12-02 Few Fahrzeugelektrik Werk Gmbh & Co. Kg Electrical connection for electrical equipment such as heating panels or antennas provided at disk of motor vehicle in form of connecting base, has electrical connection area for connecting electrical conductor
CN102045900A (en) * 2009-10-12 2011-05-04 潘洁英 Novel electrical heating unit
CN102685943A (en) * 2012-06-01 2012-09-19 佛山市顺德区新信德节能科技有限公司 Efficient energy-saving novel nanometer material electrothermal film

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09148050A (en) * 1995-11-29 1997-06-06 Matsushita Electric Ind Co Ltd Ptc heater
DE102009022526A1 (en) * 2009-05-25 2010-12-02 Few Fahrzeugelektrik Werk Gmbh & Co. Kg Electrical connection for electrical equipment such as heating panels or antennas provided at disk of motor vehicle in form of connecting base, has electrical connection area for connecting electrical conductor
CN102045900A (en) * 2009-10-12 2011-05-04 潘洁英 Novel electrical heating unit
CN102685943A (en) * 2012-06-01 2012-09-19 佛山市顺德区新信德节能科技有限公司 Efficient energy-saving novel nanometer material electrothermal film

Also Published As

Publication number Publication date
CN105992403A (en) 2016-10-05

Similar Documents

Publication Publication Date Title
JP6564047B2 (en) Method for producing electrothermal film layer, electrothermal film layer, electric heating plate and cooking utensil
CN102740514A (en) Mica plate coating electric heating device and manufacturing method thereof
CN105992408B (en) Manufacturing method of electric heating film layer, electric heating disc and cooking utensil
CN105992403B (en) Mixed liquid, far infrared emission film layer and manufacturing method thereof, electric heating plate and cooking utensil
CN105992401B (en) Infrared heating device and electric heating utensil
CN105992409B (en) Manufacturing method of electric heating film layer, electric heating disc and cooking utensil
CN205866645U (en) Overware subassembly and electric heating cooking utensil
CN204698327U (en) Cover assembly and cooking apparatus
CN101893267A (en) Energy saving and environmental friendly electrothermal furnace
CN105992404B (en) Far infrared transmission film layer and its manufacturing method, electric heating plate and cooking apparatus
CN105992411B (en) Manufacturing method of electric heating film layer, electric heating disc and cooking utensil
CN202425073U (en) Heating assembly
CN105992410B (en) Manufacturing method, electric membranous layer, electric heating plate and the cooking apparatus of electric membranous layer
CN201497039U (en) Energy-saving environmental-protection electro-thermal furnace
CN105992405B (en) Method for manufacturing far infrared heating film and electric heating device
CN206018735U (en) A kind of stove
CN105992402B (en) Infrared heating device and electric heating utensil
CN2762479Y (en) Mica electric heating board coated with high strength silica gel
CN1032783C (en) Electric heating film
CN204445471U (en) Heat-generating disc and cooking apparatus
CN204445321U (en) A kind of heating kettle body structure and electric frying pan
CN211796036U (en) Cup body assembly and food processing device
CN216364709U (en) Ceramic tableware capable of being used for heating electromagnetic oven
CN214549033U (en) Soaking toaster
CN202581452U (en) Electric ceramic furnace disc with double-furnace-wire structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant