CN111743206A - Planar heating body and its use - Google Patents
Planar heating body and its use Download PDFInfo
- Publication number
- CN111743206A CN111743206A CN202010711989.2A CN202010711989A CN111743206A CN 111743206 A CN111743206 A CN 111743206A CN 202010711989 A CN202010711989 A CN 202010711989A CN 111743206 A CN111743206 A CN 111743206A
- Authority
- CN
- China
- Prior art keywords
- sheet
- heat
- resistance heating
- generating body
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 103
- 239000000463 material Substances 0.000 claims abstract description 64
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 14
- 230000000391 smoking effect Effects 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000020169 heat generation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
Abstract
The invention belongs to the field of non-combustible cigarette smoking set heating elements, and particularly relates to a planar heating element and application thereof. The planar heating element includes: a base material sheet (1) and an insulating layer (2); the base material sheet (1) comprises a front surface sheet (1-1) and a back surface sheet (1-2) which are mutually overlapped and electrically connected, and the base material sheet (1) is a heating, heat-conducting and electrically-conducting material; the insulating layer (2) is arranged between the front surface piece (1-1) and the back surface piece (1-2). The invention designs the planar heating element for the first time, adopts the same material to realize the heating, heat conduction and supporting functions at the same time, changes the technical bias of the separate design of the substrate supporting material and the heating circuit in the traditional smoking set heating element, effectively simplifies the structure and the manufacturing process flow of the heating element, and reduces the manufacturing cost.
Description
Technical Field
The invention belongs to the field of non-combustible cigarette smoking set heating elements, and particularly relates to a planar heating element and application thereof.
Background
The heater of the non-combustion cigarette smoking set is one of the core parts for heating the non-combustion cigarette smoking set, and the most common structural form at present is a heating circuit of a base material. In the heating element, the heating circuit usually adopts a screen printing process to attach the heating slurry on an insulating base material, then sintering is carried out to enable the heating slurry to be tightly combined with the base material, and finally, glazing protection is carried out on the outer surface of the heating element. When the heating body works, joule heat is conducted to the base material through the heating circuit, then conducted to the protective glaze layer from the base material, and finally the heating cigarette is heated through the protective glaze layer. In practice, it has been found that this type of heat-generating body has several significant disadvantages:
1) the heating body has complex structure, long manufacturing process flow and high production cost;
2) the resistance of the heating element and the stability of the temperature coefficient of the resistance are poor;
3) the heat conduction path is long, and the heating efficiency is low;
4) the insulating matrix material is often a poor conductor of heat and the heat transfer efficiency is low.
Another common heating element is: the heating circuit is pre-embedded in a cavity formed by the base material, then the heating circuit and the base material are tightly combined together by a pressing or sintering process, and finally the outer surface of the heating body is glazed and protected. When the heating body works, joule heat is conducted to the base material through the heating wire, then conducted to the protective glaze layer from the base material, and finally the heating cigarette is heated through the protective glaze layer. Therefore, the heat-generating body of this type has significant disadvantages including:
1) the heating body has complex structure, long manufacturing process flow and high production cost;
2) the heat conduction path is long, and the heating efficiency is low;
3) the insulating matrix material is often a poor conductor of heat and the heat transfer efficiency is low.
The present invention has been made to solve the above problems.
Disclosure of Invention
The present invention provides a planar heat generating body, comprising: a rigid conductive heat-conducting resistance heating material sheet 1 and an insulating layer 2;
the conductive and heat-conductive resistance heating material sheet 1 comprises a front sheet 1-1 and a back sheet 1-2 which are mutually overlapped and electrically connected, and the insulating layer 2 is arranged between the front sheet 1-1 and the back sheet 1-2.
The front surface sheet 1-1 and the back surface sheet 1-2 are respectively used for being connected with the anode and the cathode of a power supply, and the front surface sheet 1-1 and the back surface sheet 1-2 form a conductive loop.
The insulating layer 2 is in contact with the front surface sheet 1-1 and/or the back surface sheet 1-2; or a gap exists between the insulating layer 2 and the front surface sheet 1-1 and/or the back surface sheet 1-2.
In some cases, the air layer between the front sheet 1-1 and the back sheet 1-2 may also be used as the insulating layer 2, as long as the front sheet 1-1 and the back sheet 1-2 are ensured to form a conductor loop.
Preferably, the insulating layer 2 comprises: an insulating layer independent of the sheet 1 of electrically and thermally conductive resistive heating material, an insulating coating attached to the front sheet 1-1 or the back sheet 1-2.
Preferably, the conductive and heat conductive resistance heating material sheet 1 is sheet-shaped, needle-shaped, rod-shaped or ridged and sword-shaped as a whole.
Preferably, the surfaces of the front sheet 1-1 and the back sheet 1-2 of the sheet 1 of the electrically and thermally conductive resistance heating material are flat, curved or folded independently of each other. For example, when both are arc surfaces, the planar heat generating element may be in the shape of a heating rod, or when both are folded surfaces, it may be in the shape of a sword having a sword-like body with a ridge, which can further improve the rigidity and bending resistance of the planar heat generating element.
The conductive connection of both the front sheet 1-1 and the back sheet 1-2 is preferably located at the top or mid-top of both, wherein the mid-top means that the conductive connection is located less than 1/2, preferably less than 1/3, more preferably less than 1/4, still more preferably less than 1/5, … … and even more preferably less than 1/10, from the top.
Preferably, the front surface sheet 1-1 and the back surface sheet 1-2 of the conductive and heat-conductive resistance heating material sheet 1 are integrally connected.
Preferably, the material of the sheet 1 of the electrically and thermally conductive resistance heating material is selected from: a metallic conductive material, or a non-metallic conductive material.
The conductive and heat-conducting resistance heating material sheet 1 is a heating material firstly, and joule heat is generated when current passes through the conductive and heat-conducting resistance heating material sheet 1; secondly, the electric and heat conduction type resistance heating material sheet 1 is made of heat conduction materials, and joule heat is directly conducted to the smoke generating material in contact with the electric and heat conduction type resistance heating material sheet 1; and finally, the electric and heat conduction type resistance heating material sheet 1 is a rigid supporting material, the planar heating body is kept in a certain shape by depending on the electric and heat conduction type resistance heating material sheet 1, and the planar heating body has certain strength and cannot deform or break in the cigarette plugging and heating process.
Preferably, the material of the insulating layer 2 is selected from glass, ceramic, plastic, or insulating paint.
Preferably, the material of the sheet 1 of the electrically and thermally conductive resistance heating material is selected from: aluminum, copper, nickel, tungsten, titanium, silver, gold, platinum, stainless steel, carbon, or silicon.
A second aspect of the present invention provides a heating apparatus including the planar heating element of the first aspect, further including a power supply, wherein the front surface sheet 1-1 is connected to a positive electrode of the power supply, and the back surface sheet 1-2 is connected to a negative electrode of the power supply; or the positive surface piece 1-1 is connected with the negative electrode of the power supply, and the negative surface piece 1-2 is connected with the positive electrode of the power supply.
The third aspect of the present invention provides the use of the planar heating element of the first aspect as a heating element for heating a non-combustible cigarette smoking set, and the planar heating element simultaneously has the functions of heating, heat conduction and support in the smoking set.
The technical scheme can be freely combined on the premise of no contradiction.
The invention has the following beneficial effects:
1. the invention designs the planar heating element for the first time, adopts the same material to realize the functions of heating, heat conduction and rigid support, changes the technical bias of the separate design of the substrate support material and the heating circuit in the traditional smoking set heating element, effectively simplifies the structure and the manufacturing process flow of the heating element, and reduces the manufacturing cost.
2. The joule heat transfer path of the conventional heating element is: the heating wire, the substrate supporting material, the protective glaze layer and the cigarette have long joule heat conducting path and large heat loss in the conducting process. Compared with the traditional heating body, the joule heat conduction path of the invention is as follows: the cigarette has the advantages that the cigarette is made of the rigid conductive and heat-conducting resistance heating material sheet, the protective glaze layer (which can be omitted), the conductive path of joule heat is shortened, and the cigarette heating efficiency is improved.
Drawings
FIG. 1 is a front view of a planar heat-generating body of example 1.
FIG. 2 is a sectional view of a planar heat-generating body of example 1 taken along plane A-A.
FIG. 3 is a schematic view showing the direction of current flowing in the front sheet 1-1 of the heat generating sheet of example 1.
FIG. 4 is a schematic view showing the direction of current flowing in a back sheet 1-2 of a planar heat-generating body according to example 1.
FIG. 5 is a plan view and a sectional view taken along plane B-B of a planar heat-generating body according to example 2.
FIG. 6 is a longitudinal sectional view of a planar heat-generating body of example 3.
List of reference numerals:
1. the electric and heat conducting resistance heating material comprises, by weight, 1-1 parts of an electric and heat conducting resistance heating material sheet, 1-2 parts of a front surface sheet, 1-2 parts of a back surface sheet, 2 parts of an insulating layer.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1
As shown in fig. 1 to 2, a planar heat-generating body, comprising: an electric and heat conducting resistance heating material sheet 1 and an insulating layer 2. The planar heating body and the conductive heat-conducting resistance heating material sheet 1 are in sheet shapes, are in sword shapes and have regular planes on the surfaces.
FIG. 1 is a front view of a planar heat-generating body of example 1. FIG. 2 is a sectional view of a planar heat-generating body of example 1 taken along the plane A-A, and the right circle is a partial enlarged view.
The electric and heat conducting type resistance heating material sheet 1 is provided with a front surface sheet 1-1 and a back surface sheet 1-2 which are integrally connected and completely overlapped, a groove is arranged between the front surface sheet 1-1 and the back surface sheet 1-2, and the whole cross section of the electric and heat conducting type resistance heating material sheet 1 is of a concave structure; the insulating layer 2 is arranged in a groove between the front surface piece 1-1 and the back surface piece 1-2 and is in contact with the front surface piece 1-1 and the back surface piece 1-2; the front surface piece 1-1 and the back surface piece 1-2 are respectively used for being connected with the positive electrode and the negative electrode of a power supply, the front surface piece 1-1 and the back surface piece 1-2 form a conductive loop, the current direction of the front surface piece 1-1 is the direction shown by an arrow in fig. 3, and the current direction of the back surface piece 1-2 is the direction shown by an arrow in fig. 4.
The electric conduction and heat conduction type resistance heating material sheet 1 is a stainless steel metal material sheet which is a good heat conduction material, and can enable a heating body to have certain strength and rigidity, and the heating body cannot deform or break in the cigarette plugging and heating process. In this embodiment, the outer surface of the stainless steel electrically and thermally conductive resistance heating material sheet is not protected by the protective layer.
The insulating layer 2 is a 92 alumina ceramic layer. In the present embodiment, the insulating layer 2 and the sheet 1 of the electrically and thermally conductive resistance heating material are separate components in direct contact.
Example 2
A planar heat-generating body, which is different from embodiment 1 in that: the shape of the planar heating body and the shape of the conductive heat-conducting resistance heating material sheet 1 are rod-shaped. The surfaces of the front surface sheet 1-1 and the back surface sheet 1-2 of the conductive and heat-conductive resistance heating material sheet 1 are curved surfaces.
Example 3
A planar heat-generating body, which is different from embodiment 1 in that: the shape of the planar heating body and the conductive heat-conducting resistance heating material sheet 1 is a sword shape with a sword body with a ridge. The surfaces of the front surface sheet 1-1 and the back surface sheet 1-2 of the conductive and heat-conductive resistance heating material sheet 1 are folded surfaces.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A planar heat generating body, characterized by comprising: a rigid electric and heat conducting resistance heating material sheet (1) and an insulating layer (2);
the electric and heat conducting type resistance heating material sheet (1) comprises a front surface sheet (1-1) and a back surface sheet (1-2) which are mutually overlapped and electrically connected, and the insulating layer (2) is arranged between the front surface sheet (1-1) and the back surface sheet (1-2).
2. A planar heat-generating body as recited in claim 1, wherein the insulating layer (2) comprises: an insulating layer independent of the conductive and heat-conductive resistance heating material sheet (1) or an insulating coating attached to the front sheet (1-1) or the back sheet (1-2).
3. A planar heat-generating body as described in claim 1, characterized in that the surfaces of the obverse sheet (1-1) and the reverse sheet (1-2) of the sheet (1) of the electrically and thermally conductive resistance heating material are flat, curved or folded surfaces independently of each other; the conductive connection of the two is positioned on the top or the middle upper part of the two.
4. A planar heat-generating body as described in claim 1, wherein the front sheet (1-1) and the back sheet (1-2) of the sheet (1) of the electrically and thermally conductive resistance heating material are integrally connected.
5. A planar heat-generating body as described in claim 1, wherein the material of said sheet (1) of electrically and thermally conductive resistance heating material is selected from the group consisting of: a metallic conductive material, or a non-metallic conductive material.
6. A planar heat-generating body as described in claim 1, characterized in that a protective layer is provided on the outer surface of said sheet (1) of an electrically and thermally conductive resistance heating material.
7. A sheet heating element as defined in claim 1, wherein the insulating layer (2) is made of a material selected from glass, ceramics, plastics, or insulating paint.
8. A planar heat-generating body as described in claim 1, wherein the material of said sheet (1) of electrically and thermally conductive resistance heating material is selected from the group consisting of: aluminum, copper, nickel, tungsten, titanium, silver, gold, platinum, stainless steel, carbon, or silicon.
9. A heating apparatus comprising the sheet heating element as defined in claim 1, characterized by further comprising a power supply, wherein said front sheet (1-1) is connected to a positive electrode of the power supply, and said back sheet (1-2) is connected to a negative electrode of the power supply; or the front surface piece (1-1) is connected with the negative electrode of a power supply, and the back surface piece (1-2) is connected with the positive electrode of the power supply.
10. The use of the planar heat-generating body according to claim 1 as a heating element for heating a non-combustible cigarette smoking set and simultaneously functioning as heat generation, heat conduction and support in the smoking set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711989.2A CN111743206A (en) | 2020-07-22 | 2020-07-22 | Planar heating body and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711989.2A CN111743206A (en) | 2020-07-22 | 2020-07-22 | Planar heating body and its use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111743206A true CN111743206A (en) | 2020-10-09 |
Family
ID=72711826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010711989.2A Pending CN111743206A (en) | 2020-07-22 | 2020-07-22 | Planar heating body and its use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111743206A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112351518A (en) * | 2020-10-30 | 2021-02-09 | 深圳市基克纳科技有限公司 | Heating body |
| CN113582186A (en) * | 2021-09-06 | 2021-11-02 | 湖北中烟工业有限责任公司 | Heating element and preparation method thereof |
| CN113892702A (en) * | 2021-08-26 | 2022-01-07 | 深圳市基克纳科技有限公司 | Method for manufacturing shell conductive heating element |
| WO2022088681A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市基克纳科技有限公司 | Heating element and atomization device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206507324U (en) * | 2017-01-11 | 2017-09-22 | 深圳市康蔚科技有限公司 | A kind of electronic smoke atomizer |
| CN110664017A (en) * | 2019-11-05 | 2020-01-10 | 深圳市新宜康科技股份有限公司 | Method and device for alternately heating multiple heating bodies of atomizer |
| CN111134374A (en) * | 2020-01-17 | 2020-05-12 | 深圳市博迪科技开发有限公司 | Metal substrate heating element |
| CN213045195U (en) * | 2020-07-22 | 2021-04-27 | 深圳市博迪科技开发有限公司 | Planar heating body and heating device |
-
2020
- 2020-07-22 CN CN202010711989.2A patent/CN111743206A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206507324U (en) * | 2017-01-11 | 2017-09-22 | 深圳市康蔚科技有限公司 | A kind of electronic smoke atomizer |
| CN110664017A (en) * | 2019-11-05 | 2020-01-10 | 深圳市新宜康科技股份有限公司 | Method and device for alternately heating multiple heating bodies of atomizer |
| CN111134374A (en) * | 2020-01-17 | 2020-05-12 | 深圳市博迪科技开发有限公司 | Metal substrate heating element |
| CN213045195U (en) * | 2020-07-22 | 2021-04-27 | 深圳市博迪科技开发有限公司 | Planar heating body and heating device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112351518A (en) * | 2020-10-30 | 2021-02-09 | 深圳市基克纳科技有限公司 | Heating body |
| WO2022088681A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市基克纳科技有限公司 | Heating element and atomization device |
| CN113892702A (en) * | 2021-08-26 | 2022-01-07 | 深圳市基克纳科技有限公司 | Method for manufacturing shell conductive heating element |
| CN113892702B (en) * | 2021-08-26 | 2023-11-03 | 深圳市基克纳科技有限公司 | Manufacturing method of shell conductive heating element |
| CN113582186A (en) * | 2021-09-06 | 2021-11-02 | 湖北中烟工业有限责任公司 | Heating element and preparation method thereof |
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Effective date of registration: 20210702 Address after: 518033 1722-03, Guangyin building, 38 Futian South Road, Gangkou community, Futian street, Futian District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Tianshili Shentong materia medica Technology Development Co.,Ltd. Address before: 518103 the second and fourth floors of building C and D, bodi innovation and Technology Park, No.1 xiashiwei Road, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN BUDDY TECHNOLOGY DEVELOPMENT Co.,Ltd. |