CN113417125A - Wireless graphite alkene electric iron - Google Patents
Wireless graphite alkene electric iron Download PDFInfo
- Publication number
- CN113417125A CN113417125A CN202110731298.3A CN202110731298A CN113417125A CN 113417125 A CN113417125 A CN 113417125A CN 202110731298 A CN202110731298 A CN 202110731298A CN 113417125 A CN113417125 A CN 113417125A
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- Prior art keywords
- graphene
- wireless
- iron
- electric iron
- heating
- 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.)
- Pending
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 80
- 229910002804 graphite Inorganic materials 0.000 title claims description 14
- 239000010439 graphite Substances 0.000 title claims description 14
- -1 graphite alkene Chemical class 0.000 title claims description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 53
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000004744 fabric Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000002241 glass-ceramic Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000011521 glass Substances 0.000 abstract description 8
- 238000010409 ironing Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000005653 Brownian motion process Effects 0.000 description 1
- 238000005537 brownian motion Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F75/00—Hand irons
- D06F75/08—Hand irons internally heated by electricity
- D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F75/00—Hand irons
- D06F75/08—Hand irons internally heated by electricity
- D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
- D06F75/246—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat using infrared lamps
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a wireless graphene electric iron which comprises an iron shell, a rechargeable battery pack, a control circuit board and a heating plate group, wherein the rechargeable battery pack arranged in the iron shell is adopted to supply power for the heating plate group, the heating plate group is a microcrystalline glass plate arranged on the iron shell and a graphene coating solidified on one surface of the microcrystalline glass plate by graphene through high-temperature spraying, the other surface is far infrared rays emitted by graphene when the graphene is electrified and heated on a working surface of an ironed clothes, the temperature can be rapidly increased, the temperature of the heating plate group is uniformly distributed, the ironing effect is good, a conduction link is omitted, the heat energy conversion efficiency is high, and energy is saved. Meanwhile, the structure is light and handy, the carrying and the use are convenient, the manufacturing and the assembly of all structural components are more convenient, the processing cost is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of household electronic products, in particular to a wireless graphene electric iron.
Background
With the continuous improvement of living standard, the electric iron becomes a common household electronic product, but the conventional electric iron is connected with a power supply through a wire, so that the operation is not convenient. And sometimes the electric heating product is carried in a travel, and a large power supply is not provided in some places. Therefore, the rechargeable electric iron technology is appeared, and rechargeable electric irons in the prior art have the characteristics of complex structure, overall bulkiness, portability, uneven heat conduction, slow heating and the like, and cannot meet the requirements of users for convenient use.
Disclosure of Invention
The invention mainly aims to provide a wireless graphene electric iron, which aims to accelerate the preheating speed, ensure that the temperature required by ironing is quickly heated, the heating temperature is uniformly distributed without damaging fabrics, adopt a rechargeable battery for power supply, simplify the structure and facilitate carrying and use, make the manufacturing and assembling of all structural components more convenient, reduce the processing cost and improve the production efficiency.
In order to achieve the above object, the present invention provides a wireless graphene electric iron, including:
the electric iron comprises an iron shell, a switch assembly, a charging interface, a first connecting part and a holding part, wherein the iron shell is provided with an accommodating cavity;
the rechargeable battery pack and the control circuit board are contained in the containing cavity of the iron shell, and the rechargeable battery pack, the switch assembly and the charging interface are electrically connected with the control circuit board; and the number of the first and second groups,
the heating plate group, the heating plate group includes heat-conducting plate and graphite alkene heating coating, the heat-conducting plate with first connecting portion are connected with fixed mounting in iron shell bottom, graphite alkene heating coating sets up the internal surface of heat-conducting plate, graphite alkene heating coating with rechargeable battery's output passes through the control circuit board electricity is connected, the surface of heat-conducting plate is the working face, working face and fabric direct contact.
Optionally, the graphene is sprayed and cured at a high temperature on the heat conducting plate to form the graphene heating coating.
Optionally, the heat conducting plate is a glass ceramic plate.
Optionally, a heating electrode is arranged on the graphene heating coating, and the heating electrode is a printed silver electrode and is electrically connected with the output end of the rechargeable battery pack through the control circuit board.
Optionally, a heat insulation layer is arranged on the heating plate group, and the heat insulation layer is attached to the graphene heating coating.
Optionally, a heating circuit composed of the heating plate group, the rechargeable battery pack, the control circuit board and the switch assembly is further connected with a temperature control detection module.
Optionally, the first connecting portion is a groove formed in the bottom of the iron case, the heat conducting plate is adapted to the groove in shape, and is tightly connected to the groove so that the heating plate assembly is mounted on the iron case, and the working surface of the heating plate assembly is flush with the bottom surface of the iron case.
Optionally, the heat conducting plate is coated with high-temperature glue at the contact part with the groove, so that the heating plate group is prevented from falling off due to deformation of the groove structure in a high-temperature working environment.
Optionally, the holding part is a handle capable of being folded in a retractable manner, and the handle is unfolded when in use and folded when not in use, so that the space is saved, and the carrying is convenient.
Optionally, still be provided with induction coil in the flatiron casing, be equipped with the induction charging seat alone, realize wireless charging, and supply wireless graphite alkene electric iron to suspend during operation safety deposit and accomodate in the use.
According to the technical scheme, the rechargeable battery pack arranged in the iron shell is used for supplying power to the heating plate group, the heating plate group is a microcrystalline glass plate arranged on the iron shell, the graphene coating is formed on one surface of the microcrystalline glass plate through high-temperature spraying and curing of graphene, the other surface is far infrared rays emitted by graphene which is electrified and heated on the working surface of clothes to be ironed, the temperature of the heating plate group can be rapidly increased, the temperature distribution of the heating plate group is uniform, the ironing effect is good, the conduction link is omitted, the heat energy conversion efficiency is high, and energy is saved. Meanwhile, the structure is light and handy, the carrying and the use are convenient, the manufacturing and the assembly of all structural components are more convenient, the processing cost is reduced, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a structural diagram of a wireless graphene electric iron;
fig. 2 is a structural diagram of a heating plate set adopted by the wireless graphene electric iron;
fig. 3 is a circuit structure diagram of a wireless graphene electric iron;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
700 | |
| 110 | |
710 | |
| 130 | |
730 | Graphene |
| 150 | |
731 | Heating electrode |
| 170 | First connecting part | 750 | |
| 300 | |
800 | Temperature |
| 500 | Control circuit board |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention mainly provides a wireless graphene electric iron which mainly aims to provide a connection relation among an iron shell 100, a rechargeable battery pack 300, a control circuit board 500 and a heating plate group 700, wherein the rechargeable battery pack 300 and the control circuit board 500 are accommodated in an accommodating cavity of the iron shell 100, the rechargeable battery pack 300 is electrically connected with the control circuit board 500, the heating plate group 700 is fixedly arranged at the bottom of the iron shell 100, the outer surface of the heating plate group 700 is a working surface and is in direct contact with a fabric, and the inner surface of the heating plate group 700 is a heating surface and is electrically connected with the rechargeable battery pack 300 through the control circuit board 500. Therefore, the rechargeable battery pack 300 is used for supplying power, so that the heating plate set 700 generates heat, and the heating plate set 700 is in direct contact with and irones fabrics, thereby ensuring uniform heat conduction and high temperature rise speed. Based on this, the structural form of the iron 100, the structural form of the heating plate set 700 and the like are correspondingly improved to simplify the structure, so that the iron is convenient to carry, the processing and the assembly of each structural component are convenient, and the production efficiency is improved.
The specific structure of the graphene-less electric iron will be mainly described by way of example, and specifically, the whole and connection relationship of the iron case 100, the rechargeable battery pack 300, the control circuit board 500 and the heat generating plate set 700 will be described first, and the structural forms of the iron case 100 and the heat generating plate set 700 will be described next.
Referring to fig. 1 to 3, in an embodiment of the present invention, the cordless graphene electric iron includes:
the iron comprises an iron shell 100, wherein the iron shell 100 is provided with a switch assembly 110, a charging interface 130, a first connecting part 170 and a holding part 150, and the iron shell 100 is provided with an accommodating cavity;
the rechargeable battery pack 300 and the control circuit board 500 are accommodated in the accommodating cavity of the iron shell 100, and the rechargeable battery pack 300, the switch assembly 110 and the charging interface 130 are electrically connected with the control circuit board 500; and the number of the first and second groups,
the heating plate assembly 700, the heating plate assembly 700 includes a heat conducting plate 710 and a graphene heating coating 730, the heat conducting plate 710 is connected with the first connecting part 170 to be fixedly mounted at the bottom of the iron shell 100, the graphene heating coating 730 is arranged on the inner surface of the heat conducting plate 710, the graphene heating coating 730 is electrically connected with the output end of the rechargeable battery pack 300 through the control circuit board 500, the outer surface of the heat conducting plate 710 is a working surface, and the working surface is in direct contact with a fabric;
during the installation, rechargeable battery group 300 and control circuit board 500 are accomodate in the chamber that holds of iron case 100, rechargeable battery group 300, switch module 110, the interface 130 that charges is connected with control circuit board 500 electricity, generate heat board group 700 fixed mounting in iron case 100 bottom, heat-conducting plate 710 surface is the working face, with fabric direct contact, the internal surface is the face of generating heat, the spraying has graphite alkene coating 730 that generates heat, graphite alkene coating 730 that generates heat is connected through the output electricity through control circuit board 500 and rechargeable battery group 300.
In this embodiment, the iron case 100 may be integrally formed, or may be manufactured separately, assembled and combined.
In this embodiment, graphene is sprayed and cured at a high temperature to form a graphene heating coating 730 on the heat conducting plate 710, under the condition that the electrodes at the two ends of the graphene heating layer are electrified, the carbon molecules in the graphene heating layer generate phonons, ions and electrons in the resistor, the phonons, the ions and the electrons do Brownian motion to generate heat energy, the heat energy is uniformly radiated out in a planar mode through far infrared rays, the total conversion rate of effective electric heat energy is high, and the superconductivity of the graphene material ensures that the heating speed is high, the temperature distribution is uniform, the energy consumption is low, in the traditional graphene heating technology, usually, a graphene heating film is prepared and utilized, a PET organic film is generally adopted, however, the graphene thermal conductive plate does not resist high temperature (temperature does not exceed 180 ℃), has poor durability, short service life and poor thermal conductivity, and compared with the manufacturing method of directly spraying graphene on the thermal conductive plate at high temperature in this embodiment, the manufacturing method has complex process and higher manufacturing cost.
In this embodiment, heat-conducting plate 710 is the microcrystalline glass board, the expansion coefficient is little, infrared radiation is strong, good heat conductivility and good weatherability have, durability, ironing effect and enough long life of wireless graphite alkene flatiron have been guaranteed as flatiron work main part, the microcrystalline glass board is hard, closely knit even, intensity is big, but lightweight, can further alleviate the weight of wireless graphite alkene flatiron, it is more portable, it is more light laborsaving during the use, the microcrystalline glass board is insulating waterproof, effectively prevent the electric leakage, factor of safety is high, it is easy to clean to adhere to the filth on surface, daily clean maintenance is more convenient. The microcrystalline glass plate is simple in process and easy to form, modeling innovation of the wireless graphene iron is not limited, the cost is low, no pollution is caused in the production process, the method is economical and environment-friendly, and the manufacturing cost of the wireless graphene iron is effectively reduced. Of course, the heat conducting plate 710 can be made of a ceramic plate or other high temperature resistant and heat conductive plate, including but not limited to a glass-ceramic plate.
In this embodiment, the graphene heating coating 730 is provided with a heating electrode 731, the heating electrode 731 is a printed silver electrode and is electrically connected to the output terminal of the rechargeable battery pack 300 through the control circuit board 500, and the printed electrode integrates the electrodes on a planar electrode of the same centimeter level, so that the size and cost of the sensor can be greatly reduced. Compared with the traditional electrode, the printed electrode is simple to manufacture and low in price, so that the printed electrode can be commercially produced, and meanwhile, the sensitivity of the electrode is improved by modifying the nano material.
In this embodiment, the heat insulating layer 750 is disposed on the heat generating plate set 700, the heat insulating layer 750 is attached to the graphene heat generating coating 730, and the heat insulating layer 750 can transmit the heat generated by the heat generating plate set 700 to the iron case 100 as little as possible, so as to improve the heat utilization rate and prevent the operation experience of the user from being reduced due to the ironing of the iron case 100.
In this embodiment, a heating circuit composed of the heating plate set 700, the rechargeable battery pack 300, the control circuit board 500 and the switch assembly 110 is further connected with a temperature control detection module 800, so that the temperature adjustment process is more accurate, the electric iron is ensured to work within a certain temperature range, and the phenomenon that the temperature is too high and the clothes are scalded is avoided.
In this embodiment, the first connecting portion 170 is a groove formed at the bottom of the iron case 100, and the heat conducting plate 710 is adapted to the shape of the groove and tightly connected to the groove, so that the heat generating plate set 700 is mounted on the iron case 100, and the working surface of the heat generating plate set 700 is flush with the bottom surface of the iron case 100, so that the structure is more compact and the operation is more stable.
In this embodiment, the contact portion between the heat conducting plate 710 and the groove is coated with high temperature glue, so as to prevent the heat generating plate assembly 700 from falling off due to the deformation of the groove structure in the high temperature working environment.
In this embodiment, the holding portion 150 is a retractable and foldable handle, and is unfolded when in use and folded when not in use, so as to save space and facilitate carrying, the handles have a plurality of structural forms, and can be pivotally connected to the iron case 100, the side surface of the iron case 100 has a corresponding storage position, and the handles are completely accommodated in the storage position when not in use, and are screwed out and clamped when in use, and are upright at the middle part of the iron case 100, or a pull rod set and the like.
In this embodiment, still be provided with induction coil in the iron shell 100, be equipped with the induction charging seat alone, realize wireless charging, and supply wireless graphite alkene electric iron to suspend during operation safety deposit and accomodate in the use.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A wireless graphene electric iron, comprising:
the electric iron comprises an iron shell, a switch assembly, a charging interface, a first connecting part and a holding part, wherein the iron shell is provided with an accommodating cavity;
the rechargeable battery pack and the control circuit board are contained in the containing cavity of the iron shell, and the rechargeable battery pack, the switch assembly and the charging interface are electrically connected with the control circuit board; and the number of the first and second groups,
the heating plate group, the heating plate group includes heat-conducting plate and graphite alkene heating coating, the heat-conducting plate with first connecting portion are connected with fixed mounting in iron shell bottom, graphite alkene heating coating sets up the internal surface of heat-conducting plate, graphite alkene heating coating with rechargeable battery's output passes through the control circuit board electricity is connected, the surface of heat-conducting plate is the working face, working face and fabric direct contact.
2. The cordless graphene electric iron of claim 1, wherein graphene is spray cured at high temperature to form the graphene heat-generating coating on the heat conducting plate.
3. The wireless graphene electric iron of claim 2, wherein the thermally conductive plate is a glass-ceramic plate.
4. The wireless graphene electric iron according to claim 3, wherein a heating electrode is arranged on the graphene heating coating, and the heating electrode is a printed silver electrode and is electrically connected with the output end of the rechargeable battery pack through the control circuit board.
5. The wireless graphene electric iron according to claim 4, wherein a thermal insulation layer is arranged on the heating plate group, and the thermal insulation layer is attached to the graphene heating coating.
6. The wireless graphene electric iron according to claim 5, wherein a temperature control detection module is further connected to a heating circuit composed of the heating plate group, the rechargeable battery pack, the control circuit board and the switch assembly.
7. The cordless graphene electric iron according to any one of claims 1 to 6, wherein the first connecting portion is a groove formed in the bottom of the iron housing, the heat conducting plate is adapted to the shape of the groove and is tightly connected to the groove, so that the heat generating plate set is mounted on the iron housing, and the working surface of the heat generating plate set is flush with the bottom surface of the iron housing.
8. The wireless graphene electric iron according to claim 7, wherein a portion of the heat conducting plate, which is in contact with the groove, is coated with a high temperature glue, so as to prevent the heat generating plate group from falling off due to deformation of the groove structure in a high temperature working environment.
9. The cordless graphene electric iron of claim 1, wherein the grip portion is a retractable and foldable handle, which is unfolded when in use and folded when not in use, thereby saving space and facilitating carrying.
10. The wireless graphene electric iron according to claim 1, wherein an induction coil is further arranged in the iron shell, and the induction coil is separately provided with an induction charging base, so that wireless charging is realized, and the wireless graphene electric iron can be safely stored and stored when the wireless graphene electric iron is suspended in operation in the using process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731298.3A CN113417125A (en) | 2021-06-29 | 2021-06-29 | Wireless graphite alkene electric iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731298.3A CN113417125A (en) | 2021-06-29 | 2021-06-29 | Wireless graphite alkene electric iron |
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| Publication Number | Publication Date |
|---|---|
| CN113417125A true CN113417125A (en) | 2021-09-21 |
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ID=77717222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110731298.3A Pending CN113417125A (en) | 2021-06-29 | 2021-06-29 | Wireless graphite alkene electric iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113417125A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283583A (en) * | 2016-10-14 | 2017-01-04 | 肖议 | A kind of electric iron based on Graphene technology |
| CN210031258U (en) * | 2019-02-19 | 2020-02-07 | 宁波浩嘉电器有限公司 | Safer iron |
| CN212435956U (en) * | 2020-05-13 | 2021-01-29 | 中山市特美新电子商务有限公司 | Electric heating plate |
-
2021
- 2021-06-29 CN CN202110731298.3A patent/CN113417125A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283583A (en) * | 2016-10-14 | 2017-01-04 | 肖议 | A kind of electric iron based on Graphene technology |
| CN210031258U (en) * | 2019-02-19 | 2020-02-07 | 宁波浩嘉电器有限公司 | Safer iron |
| CN212435956U (en) * | 2020-05-13 | 2021-01-29 | 中山市特美新电子商务有限公司 | Electric heating plate |
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Application publication date: 20210921 |