CN219331904U - Radiating module for dehairing instrument - Google Patents
Radiating module for dehairing instrument Download PDFInfo
- Publication number
- CN219331904U CN219331904U CN202222424674.7U CN202222424674U CN219331904U CN 219331904 U CN219331904 U CN 219331904U CN 202222424674 U CN202222424674 U CN 202222424674U CN 219331904 U CN219331904 U CN 219331904U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- radiating
- heat
- shell
- inner cavity
- 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
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 64
- 239000004065 semiconductor Substances 0.000 claims abstract description 45
- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 26
- 239000010980 sapphire Substances 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002951 depilatory effect Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035617 depilation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a radiating module for a dehairing instrument, which comprises a centrifugal fan, a radiating plate, a first semiconductor refrigerating sheet, a lamp tube, a radiating shell, a PCB (printed circuit board) and sapphire, wherein the radiating shell is provided with an inner cavity, an air inlet, an air outlet and a light outlet, the inner cavity is respectively communicated with the air inlet, the air outlet and the light outlet, the lamp tube is positioned in the inner cavity, a blowing port of the centrifugal fan is positioned at one side of the air inlet, the sapphire is attached to the light outlet, the radiating plate comprises a first heat absorption end, a second heat absorption end and an inner cavity radiating end, the first semiconductor refrigerating sheet is connected with one side of the sapphire and the first heat absorption end, the second semiconductor refrigerating sheet is connected with the other side of the sapphire and the second heat absorption end, the inner cavity radiating end is positioned in the inner cavity, and the centrifugal fan, the first semiconductor refrigerating sheet, the second semiconductor refrigerating sheet and the lamp tube are respectively and electrically connected with the PCB. The utility model can solve the problems that the heat transfer efficiency of the heat dissipation module for the conventional dehairing instrument is low and the heat dissipation effect is affected.
Description
Technical Field
The utility model relates to the technical field of heat dissipation modules, in particular to a heat dissipation module for a dehairing instrument.
Background
In the prior art, the dehairing instrument generates a large amount of heat in the dehairing instrument due to high-power operation, wherein the heat source mainly comes from the IPL lamp tube and the semiconductor refrigerating sheet, so that a very good heat dissipation system is needed. The heat dissipation structure of the dehairing instrument in the traditional technology is that the heat of the semiconductor refrigerating sheet and the lamp tube is transferred to the fin end through the heat pipe, the heat transfer efficiency is low, and the heat dissipation effect is affected.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the radiating module for the dehairing instrument, which can solve the problems that the heat transfer efficiency of the radiating module for the original dehairing instrument is low and the radiating effect is influenced.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a radiating module for a dehairing instrument, which comprises a centrifugal fan, a radiating plate, a first semiconductor refrigerating sheet, a lamp tube, a radiating shell, a PCB (printed circuit board) and sapphire, wherein the centrifugal fan is connected with the PCB, one side of the radiating shell is connected with the radiating plate, the other side of the radiating shell is connected with the PCB, the radiating shell is provided with an inner cavity, an air inlet, an air outlet and a light outlet, the inner cavity is respectively communicated with the air inlet, the air outlet and the light outlet, the lamp tube is positioned in the inner cavity, a blowing port of the centrifugal fan is positioned at one side of the air inlet, the sapphire is attached to the light outlet, the radiating plate comprises a first heat absorbing end, a second heat absorbing end and an inner cavity heat dissipating end, the first semiconductor refrigerating sheet is connected with one side of the sapphire and the first heat absorbing end, the second semiconductor refrigerating sheet is connected with the other side of the sapphire and the second heat absorbing end, and the inner cavity heat dissipating end is positioned in the inner cavity, and the centrifugal fan, the first semiconductor refrigerating sheet, the second semiconductor refrigerating sheet and the lamp tube are respectively and electrically connected with the PCB. In the technical scheme, the sapphire is attached to the light outlet in a mode of fixedly connecting the sapphire and the light outlet, and the sapphire and the light outlet can be attached in a mode of fixing the whole machine shell of the dehairing instrument in the actual assembly process.
The heat dissipation shell comprises an upper shell and a lower shell, the upper shell is matched with the lower shell in a clamping way, the upper shell is connected with the heat dissipation plate, and the lower shell is connected with the PCB.
The preferable technical scheme of the utility model is that the upper shell is provided with a first fixing frame for accommodating the first semiconductor refrigerating sheet, and the lower shell is provided with a second fixing frame for accommodating the second semiconductor refrigerating sheet.
The preferable technical scheme of the utility model is that a radiating through groove is arranged above the upper shell, and a radiating fin is arranged on one side of the radiating plate, which is close to the radiating through groove.
The preferable technical scheme of the utility model is that a plurality of radiating fins which are distributed equidistantly are arranged on the radiating end of the inner cavity.
The preferable technical scheme of the utility model is that the heat dissipation device further comprises a light filtering piece, wherein the light filtering piece is positioned on one side of the lamp tube, a clamping groove is formed in the heat dissipation shell, and the outer frame of the light filtering piece is matched with the clamping groove in a clamping way.
The utility model adopts the preferable technical scheme that the left and right ends of the lamp tube are respectively provided with a metal bracket for supporting the lamp tube, the upper parts of the two metal brackets are respectively and fixedly connected with the two ends of the lamp tube, the bottoms of the two metal brackets are fixedly connected with the PCB, and the lamp tube is electrically connected with the PCB through the metal brackets.
The preferable technical scheme of the utility model is that one side of the radiating shell is in threaded connection with the radiating plate; the other side of the heat dissipation shell is in threaded connection with the PCB.
The preferable technical scheme of the utility model is that the periphery of the lamp tube is provided with a reflecting shade, and the opening direction of the reflecting shade faces to the outer side of the light outlet.
The preferable technical scheme of the utility model is that the material of the radiating plate is copper or aluminum.
The utility model has the beneficial effects that:
the utility model provides a radiating module for a dehairing instrument, wherein the cold surfaces of a first semiconductor refrigerating sheet and a second semiconductor refrigerating sheet are attached to sapphire, the sapphire is cooled, the hot surfaces of the first semiconductor refrigerating sheet and the second semiconductor refrigerating sheet are attached to a first heat absorbing end and a second heat absorbing end of a radiating plate respectively, a blowing port of a centrifugal fan faces to an air inlet of a radiating shell and enters the inner cavity through the air inlet, the heat generated by a lamp tube in the inner cavity and the heat of the heat dissipating end of the radiating plate are taken away by blowing, and because a sapphire is arranged at a light outlet, the blowing flows out through an air outlet of the radiating shell, and finally, the heat generated by the first semiconductor refrigerating sheet and the second semiconductor refrigerating sheet and the lamp tube is taken away.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a perspective view of a heat dissipation module for a depilatory device of the present utility model;
FIG. 2 is a second perspective view of a heat dissipation module for a depilation device according to the present utility model;
FIG. 3 is a top view of a heat dissipating module for an epilator in accordance with the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of a heat dissipating module for a depilatory device of the present utility model;
FIG. 6 is a second exploded view of a heat dissipating module for a depilatory device of the present utility model;
FIG. 7 is a perspective view of a heat sink plate of a heat dissipation module for a dehairing instrument according to the present utility model;
FIG. 8 is a perspective view of an upper housing of a heat dissipation module for a depilatory device of the present utility model;
FIG. 9 is a perspective view of a lower housing of a heat dissipation module for a depilatory device of the present utility model;
FIG. 10 is a schematic diagram showing a direction of heat radiation wind of a heat radiation module for a dehairing instrument according to the present utility model;
fig. 11 is a second schematic diagram of a heat dissipation wind direction of a heat dissipation module for a dehairing instrument according to the present utility model.
In the figure:
1-a centrifugal fan; 11-blowing an air port; 2-a heat dissipation plate; 21-a first heat absorbing end; 22-a second heat absorbing end; 23-inner cavity radiating end; 24-cooling fins; 31-a first semiconductor refrigeration sheet; 32-a second semiconductor refrigeration sheet; 4-a lamp tube; 5-a heat dissipation shell; 51-an upper housing; 511-a first fixed frame; 512-heat dissipation through grooves; 52-a lower housing; 521-a second fixed frame; 53-lumen; 54-an air inlet; 55-an air outlet; 56-a light outlet; 57-clamping grooves; 6-a PCB board; 7-sapphire; 81-a filter; 82-a metal bracket; 83-reflector.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-11, the heat dissipation module for a dehairing instrument provided in this embodiment includes a centrifugal fan 1, a heat dissipation plate 2, a first semiconductor refrigeration piece 31, a second semiconductor refrigeration piece 32, a lamp tube 4, a heat dissipation housing 5, a PCB board 6 and a sapphire 7, wherein the centrifugal fan 1 is connected with the PCB board 6, one side of the heat dissipation housing 5 is connected with the heat dissipation plate 2, the other side of the heat dissipation housing 5 is connected with the PCB board 6, the heat dissipation housing 5 is provided with an inner cavity 53, an air inlet 54, an air outlet 55 and a light outlet 56, the inner cavity 53 is respectively communicated with the air inlet 54, the air outlet 55 and the light outlet 56, the lamp tube 4 is located in the inner cavity 53, the air outlet 11 of the centrifugal fan 1 is located at one side of the air inlet 54, the sapphire 7 is attached to the light outlet 56 and is fixedly connected with the heat dissipation plate 56, the heat dissipation housing 2 includes a first heat absorption end 21, a second heat absorption end 22 and an inner cavity heat dissipation end 23, the first semiconductor refrigeration piece 31 is connected with one side of the sapphire 7 and the other side of the second heat absorption end 22 is connected with the inner cavity 22 of the sapphire 7, the inner cavity 53 and the second semiconductor refrigeration piece 32 is located in the inner cavity 53 and the heat dissipation plate 4, the first semiconductor refrigeration piece 31 and the second semiconductor refrigeration piece is electrically connected with the heat dissipation plate 6. The specific working principle is as follows: the cooling surfaces of the first semiconductor cooling sheet and the second semiconductor cooling sheet are attached to the sapphire to cool the sapphire, the hot surfaces of the first semiconductor cooling sheet and the second semiconductor cooling sheet are attached to the first heat absorption end and the second heat absorption end of the radiating plate respectively, the air blowing port of the centrifugal fan faces the air inlet of the radiating shell, the air enters the inner cavity through the air inlet, the heat generated by the lamp tube in the inner cavity and the heat generated by the inner cavity radiating end of the radiating plate are taken away by the air blowing, the light outlet is blocked by the sapphire, the air blowing flows out through the air outlet of the radiating shell, and finally the heat generated by the first semiconductor cooling sheet and the second semiconductor cooling sheet and the lamp tube is taken away.
In order to facilitate assembly of the heat dissipation module, preferably, the heat dissipation housing 5 includes an upper housing 51 and a lower housing 52, the upper housing 51 and the lower housing 52 are in snap fit, the upper housing 51 is connected with the heat dissipation plate 2, and the lower housing 52 is connected with the PCB board 6. Specifically, the centrifugal fan 1 is in threaded connection with the PCB board 6, and the upper housing 51 is in threaded connection with the heat dissipation plate 2; the lower housing 52 is screw-coupled with the PCB board 6.
In order to better fix the first and second semiconductor refrigeration sheets, it is preferable that the upper case 51 is provided with a first fixing frame 511 accommodating the first semiconductor refrigeration sheet 31, and the lower case 52 is provided with a second fixing frame 521 accommodating the second semiconductor refrigeration sheet 32.
In order to further improve the heat dissipation efficiency, it is preferable that the upper case 51 has a heat dissipation through groove 512 above, and the heat dissipation plate 2 has a heat dissipation fin 24 at a side close to the heat dissipation through groove 512. Further, the inner cavity radiating end 23 is provided with a plurality of radiating fins 24 which are equidistantly distributed.
In order to better fix the lamp tube, preferably, the left and right ends of the lamp tube 4 are respectively provided with a metal bracket 82 for supporting the lamp tube 4, the upper parts of the two metal brackets 82 are respectively and fixedly connected with the two ends of the lamp tube 4, the bottoms of the two metal brackets 82 are fixedly connected with the PCB 6, and the lamp tube 4 is electrically connected with the PCB 6 through the metal brackets 82.
Specifically, the heat dissipation device further comprises a light filter 81, wherein the light filter 81 is positioned on one side of the lamp tube 4, the heat dissipation shell 5 is internally provided with a clamping groove 57, and the outer frame of the light filter 81 is matched with the clamping groove 57 in a clamping way. In order to further concentrate the light emitted from the lamp, specifically, the periphery of the lamp 4 is provided with a reflecting cover 83, the opening direction of the reflecting cover 83 faces the outer side of the light outlet 56, and the upper and lower sides of the reflecting cover 83 are respectively connected with the light filtering piece 81, so as to play a role in fixing the reflecting cover.
In order to improve the heat dissipation efficiency of the heat dissipation plate, it is preferable that the material of the heat dissipation plate 2 is copper or aluminum. In this embodiment, the material of the heat dissipation plate 2 is aluminum.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.
Claims (10)
1. A heat dissipation module for dehairing instrument is characterized in that:
the LED lamp comprises a centrifugal fan (1), a radiating plate (2), a first semiconductor refrigerating sheet (31), a second semiconductor refrigerating sheet (32), a lamp tube (4), a radiating shell (5), a PCB (printed circuit board) 6 and a sapphire (7), wherein the centrifugal fan (1) is connected with the PCB (6);
one side of the heat dissipation shell (5) is connected with the heat dissipation plate (2), the other side of the heat dissipation shell (5) is connected with the PCB (6), the heat dissipation shell (5) is provided with an inner cavity (53), an air inlet (54), an air outlet (55) and a light outlet (56), the inner cavity (53) is respectively communicated with the air inlet (54), the air outlet (55) and the light outlet (56), the lamp tube (4) is positioned in the inner cavity (53), a blowing port (11) of the centrifugal fan (1) is positioned on one side of the air inlet (54), and the sapphire (7) is attached to the light outlet (56);
the heat dissipation plate (2) comprises a first heat absorption end (21), a second heat absorption end (22) and an inner cavity heat dissipation end (23), the first semiconductor refrigeration piece (31) is connected with one side of the sapphire (7) and the first heat absorption end (21), the second semiconductor refrigeration piece (32) is connected with the other side of the sapphire (7) and the second heat absorption end (22), and the inner cavity heat dissipation end (23) is positioned in the inner cavity (53);
the centrifugal fan (1), the first semiconductor refrigerating sheet (31), the second semiconductor refrigerating sheet (32) and the lamp tube (4) are respectively and electrically connected with the PCB (6).
2. The heat dissipating module of claim 1, wherein:
the heat dissipation shell (5) comprises an upper shell (51) and a lower shell (52), and the upper shell (51) and the lower shell (52) are in clamping fit;
the upper shell (51) is connected with the heat dissipation plate (2), and the lower shell (52) is connected with the PCB (6).
3. The heat dissipating module of claim 2, wherein:
the upper case (51) is provided with a first fixing frame (511) accommodating the first semiconductor refrigeration sheet (31);
the lower case (52) is provided with a second fixing frame (521) that accommodates the second semiconductor cooling fin (32).
4. The heat dissipating module of claim 2, wherein:
a heat dissipation through groove (512) is arranged above the upper shell (51);
and a radiating fin (24) is arranged on one side of the radiating plate (2) close to the radiating through groove (512).
5. The heat dissipating module of claim 1, wherein:
the inner cavity radiating end (23) is provided with a plurality of radiating fins (24) which are distributed at equal intervals.
6. The heat dissipating module of claim 1, wherein:
the lamp further comprises a light filter (81), wherein the light filter (81) is positioned on one side of the lamp tube (4);
a clamping groove (57) is formed in the heat dissipation shell (5), and the outer frame of the optical filter (81) is matched with the clamping groove (57) in a clamping mode.
7. The heat dissipating module of claim 1, wherein:
the left end and the right end of the lamp tube (4) are respectively provided with a metal bracket (82) for supporting the lamp tube (4);
the upper parts of the two metal brackets (82) are fixedly connected with the two ends of the lamp tube (4) respectively, and the bottoms of the two metal brackets (82) are fixedly connected with the PCB (6);
the lamp tube (4) is electrically connected with the PCB (6) through the metal bracket (82).
8. The heat dissipating module of claim 1, wherein:
one side of the heat dissipation shell (5) is in threaded connection with the heat dissipation plate (2); the other side of the heat dissipation shell (5) is in threaded connection with the PCB (6).
9. The heat dissipating module of claim 1, wherein:
the periphery of the lamp tube (4) is provided with a reflecting shade (83);
the opening direction of the reflecting shade (83) faces to the outer side of the light outlet (56).
10. The heat dissipating module of claim 1, wherein:
the material of the heat dissipation plate (2) is copper or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222424674.7U CN219331904U (en) | 2022-09-13 | 2022-09-13 | Radiating module for dehairing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222424674.7U CN219331904U (en) | 2022-09-13 | 2022-09-13 | Radiating module for dehairing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219331904U true CN219331904U (en) | 2023-07-14 |
Family
ID=87077360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222424674.7U Active CN219331904U (en) | 2022-09-13 | 2022-09-13 | Radiating module for dehairing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219331904U (en) |
-
2022
- 2022-09-13 CN CN202222424674.7U patent/CN219331904U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111813206A (en) | Novel water pump separation type water-cooling radiator with built-in fan | |
| WO2022021567A1 (en) | Thin-walled cavity-type convection heat dissipating led lamp housing | |
| CN101660743A (en) | Radiator and LED lamp with fan | |
| CN112533554B (en) | Dehairing instrument and semiconductor refrigerating sheet | |
| WO2021196506A1 (en) | Hair removal instrument and semiconductor refrigeration slice | |
| CN219331903U (en) | Radiating module for dehairing instrument | |
| CN219331904U (en) | Radiating module for dehairing instrument | |
| CN211146420U (en) | Heat radiator for L ED emitting diode | |
| CN111197722A (en) | Waterproof lamp with internal circulation heat dissipation function for stage | |
| WO2021184946A1 (en) | Waterproof computer moving head spot light having efficient heat dissipation function | |
| CN216644155U (en) | Air-cooled high-brightness point light source | |
| CN216644154U (en) | Heat radiation structure and stage lamp of high power LED light source | |
| CN215807953U (en) | High-power integrated LED lamp | |
| CN103836386B (en) | Light fixture and its heat sink | |
| CN208983249U (en) | A kind of LED light of the semiconductor refrigeration radiating for automobile | |
| CN219588888U (en) | Novel LED zoom spotlight | |
| CN213810143U (en) | Linear lamp with good heat dissipation effect | |
| CN212252167U (en) | Lighting lamp | |
| CN217241216U (en) | Heat radiation structure and appearance that moults | |
| CN221240688U (en) | Heat radiation structure of cold light source device and cold light source host | |
| CN221463776U (en) | LED aluminum substrate and light source assembly | |
| CN210462951U (en) | Stage lamp cooling system based on phase change suppression technology | |
| CN205447530U (en) | Easy radiating high -Pole lamp | |
| CN111486423B (en) | LED spotlight back radiator convenient to disassemble and assemble and assembling method thereof | |
| CN220249926U (en) | LED lamp module with multiple heat dissipation functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231225 Address after: 518000, Building 202, A, B, and C, Block B, Yuanfen Industrial Zone, Taoyuan Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Guangdong Golden 3d Intelligent Manufacturing Co.,Ltd. Address before: 518000 Room 203, building a, B and C, block B, yuanfen Industrial Zone, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SANWEILI ELECTRONIC TECHNOLOGY Co.,Ltd. |