CN203785441U - Aluminum alloy high-frequency induction smelting furnace - Google Patents
Aluminum alloy high-frequency induction smelting furnace Download PDFInfo
- Publication number
- CN203785441U CN203785441U CN201420189405.XU CN201420189405U CN203785441U CN 203785441 U CN203785441 U CN 203785441U CN 201420189405 U CN201420189405 U CN 201420189405U CN 203785441 U CN203785441 U CN 203785441U
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- China
- Prior art keywords
- opening
- frequency induction
- smelting furnace
- crucible
- fixture
- 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.)
- Expired - Lifetime
Links
- 230000006698 induction Effects 0.000 title claims abstract description 70
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 42
- 238000003723 Smelting Methods 0.000 title claims abstract description 34
- 238000009413 insulation Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 208000012287 Prolapse Diseases 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 230000000881 depressing effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010304 firing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to an aluminum alloy high-frequency induction smelting furnace which comprises a furnace shell. The upper side of the furnace shell is provided with a first opening. The aluminum alloy high-frequency induction smelting furnace further comprises a fixing device installed in the furnace shell, a crucible used for containing aluminum alloy, an induction coil arranged at the outer side of the fixing device in a surrounding mode and a high-frequency induction power source electrically connected with the induction coil and providing high-frequency currents. The upper end of the fixing device is provided with a second opening, and the second opening corresponds to the first opening in position. The crucible comprises a third opening formed in the upper end, and the crucible can be installed in the fixing device through the second opening by being disengaged upwards. According to the aluminum alloy high-frequency induction smelting furnace, the heating efficiency and the heating speed are improved, regular detection and replacement of the crucible are more convenient, the crucible can be directly taken out of the furnace shell conveniently and rapidly, and working efficiency is improved.
Description
Technical field
The utility model relates to aluminium alloy smelting furnace, more particularly, relates to a kind of aluminium alloy high-frequency induction smelting furnace.
Background technology
Aluminium alloy furnace heats mode in correlation technique is traditional heat transmission, heat radiation heating substantially, for example: fire coal, combustion gas, fuel oil, biological particles, heating wire, electrothermal tube and infrared ray etc., the relative high efficiency that Medium frequency induction smelting furnace is development in recent years and safe mode of heating.
There is the shortcomings such as heat utilization ratio low (energy consumption is large), firing rate is slow, environmental pollution is large, potential safety hazard is large, oxidized aluminum alloy loss is large, the intelligent degree of heating process is high not in traditional mode of heating.
Medium frequency induction smelting furnace thermal efficiency ratio conventional furnaces is high, but its water circuit system complexity and water route exist fault and the potential safety hazards such as leakage, obstruction.
Utility model content
The technical problems to be solved in the utility model is, a kind of aluminium alloy high-frequency induction smelting furnace is provided.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of aluminium alloy high-frequency induction smelting furnace, comprise furnace shell, described furnace shell upside is provided with the first opening, and described aluminium alloy high-frequency induction smelting furnace also comprises:
Be arranged on the fixture in described furnace shell, the upper end of described fixture is formed with the second opening, and described the second opening is corresponding with the position of described the first opening;
For the crucible of containing aluminum alloy, described crucible comprises the 3rd opening of being located at upper end, and what described crucible can prolapse upwards by described the second opening is installed in described fixture;
Around the induction coil that is arranged on described fixture outside;
And be electrically connected with described induction coil the high frequency induction power supply that high frequency electric is provided.
Preferably, described furnace shell comprises grate and is arranged on described grate outside plate around, and described outside plate surrounds for described fixture and is arranged at air-cooled space wherein.
Preferably, described outside plate is provided with air cooling system, and described air cooling system comprises at least one ventilating fan, and the air in the described air-cooled space of described ventilating fan discharge is to lower the temperature to described induction coil.
Preferably, the downside of described grate is provided with the stool that is supported on described fixture lower end;
Described outside plate is the peripheral steel plate that is located at described fixture, shields with the magnetic field that described induction coil is produced.
Preferably, described aluminium alloy high-frequency induction smelting furnace also comprises heat-insulation layer, and described heat-insulation layer is filled between the lateral surface and described fixture of described crucible, or described heat-insulation layer is coated on the lateral surface of described fixture.
Preferably, described aluminium alloy high-frequency induction smelting furnace also comprises heat-insulation layer, and described heat-insulation layer is cup-shaped, comprises the 4th opening of being located at upper end, described heat-insulation layer is installed in described fixture by described the second opening, and described crucible is installed in described heat-insulation layer by described the 4th opening; Between described fixture and the bottom surface of heat-insulation layer, be provided with warming plate.
Preferably, described fixture comprises:
Be located at upper end upper retainer plate, be located at the lower retainer plate at middle part, the fixed support of being located at the firm banking of lower end and fixed circle, lower retainer plate and firm banking being connected;
Described firm banking supports the lower end of described crucible;
Described induction coil is wrapped in described support bracket fastened outside from top to bottom.
Preferably, described fixture also comprises pressuring line structure;
Described thread depressing mechanism comprises and is detachably connected on the some fixing compression strip between fixed circle and described lower retainer plate and is detachably connected on the some lower fixing compression strip between described lower retainer plate and described firm banking;
Described some fixing compression strips, described some lower fixing compression strips are arranged along the outer ring of described fixture respectively, described induction coil is clamped fixing with described fixed support from inside and outside both sides.
Preferably, described furnace shell is provided with the cover plate that covers on described the first opening and seal described crucible the 3rd opening;
Described furnace shell is provided with bell whirligig, described bell whirligig comprises column and is arranged on rotationally the connecting rod of described column upper end, described connecting rod is connected with described cover plate, and described connecting rod rotates to open or cover described the first opening around described column.
Preferably, described aluminium alloy high-frequency induction smelting furnace also comprises tempilstick, and described tempilstick is extend in described crucible by described the first opening.
Implement aluminium alloy high-frequency induction smelting furnace of the present utility model, there is following beneficial effect: in the utility model, fixture is arranged in furnace shell, crucible can prolapse upwards be arranged in fixture, induction coil is looped around the outside of fixture and is electrically connected with high frequency induction power supply, this utility model is improved the efficiency of heating surface and firing rate, and the simultaneously regular detection of crucible and change conveniently directly can be taken out in furnace shell, facilitate simple and directly, improved operating efficiency.
In addition, on the outside plate of furnace shell, air cooling system is set, the Bas Discharged in air-cooled space is played to the effect to induction coil cooling, promoted the efficiency of heating surface of induction coil, equipment is more energy-conservation, has reduced cost, safeguards also simpler.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the horizontal section structural representation of the aluminium alloy high-frequency induction smelting furnace in the utility model embodiment;
Fig. 2 is the assembling generalized section of crucible in Fig. 1, heat-insulation layer, fixture and coil;
Fig. 3 is the structural representation of fixture in Fig. 1.
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As shown in Figures 1 and 2, aluminium alloy high-frequency induction smelting furnace in preferred embodiment of the utility model comprises furnace shell 10, be arranged on the fixture 20 in furnace shell 10, for the crucible 30 of containing aluminum alloy, around being arranged on the induction coil 40 in fixture 20 outsides and being electrically connected with induction coil 40 high frequency induction power supply (not shown) that high frequency electric is provided, high frequency induction power supply is independently arranged on outside furnace shell, and be electrically connected high frequency electric is provided with induction coil 40, make induction coil 40 produce high frequency magnetic field, on crucible 30, produce induced-current, make initiatively heating of crucible 30, thereby play the effect of heating crucible 30 interior aluminium alloys, the efficiency of heating surface and firing rate are improved.
As shown in Figure 1, in certain embodiments, furnace shell 10 comprises grate 11 and is arranged on the outside plate 12 of grate 11 peripheries, and outside plate 12 surrounds the air-cooled space that is arranged at startup for fixture 20.The downside of grate 11 is provided with the stool 13 that is supported on fixture 20 lower ends, and stool 13 contacts with ground, crucible 30 is played to the effect of stable support.In certain embodiments, also stool 13 can be cancelled, allow the lower end of fixture 20 directly contact crucible 30 is supported with ground.
Preferably, outside plate 12, for being located at the steel plate of fixture 20 peripheries, shields with the magnetic field that induction coil 40 is produced.In other embodiments, outside plate 12 also can adopt the not high temperature resistant nonmetal or metal material of magnetic conduction such as epoxy resin board, micarex, high-purity aluminium sheet, or adopts irony outside plate then to use high-purity aluminium sheet or copper coin to be arranged on outside plate 12 inner sides as shielding material.
In certain embodiments, outside plate 12 is provided with air cooling system 14, and preferably, air cooling system 14 comprises the ventilating fan that is arranged on outside plate 12 sides, and ventilating fan is discharged air in air-cooled space so that induction coil 40 is lowered the temperature, and promotes the service life of induction coil 40.The quantity of ventilating fan does not limit, can be according to the temperature setting of induction coil 40.In other embodiments, air cooling system 14 also can comprise air exhauster etc. so that circulate in the air in air-cooled space and the external world.
Further, be provided with the first opening 15 at furnace shell 10 upsides, it is corresponding with the position of the first opening 15 that the upper end of fixture 20 is formed with the second opening 21, the second openings 21.Crucible 30 comprises the 3rd opening 31 of being located at upper end, and what crucible 30 can prolapse upwards by the second opening 21 is installed in fixture 20.The epipleural of outside plate 12 is removably mounted on grate, and by the upper end pressing of fixture 20 and crucible 30, the 3rd opening 31 is exposed by the first opening 15, with interior reinforced or from the interior feeding of crucible 30 to crucible 30.Between the upper surface of the second opening 21, the 3rd opening 31 and outside plate 12, be also provided with the parts such as heat-preservation cotton, play buffering, insulation, heat insulation effect.Because crucible 30 is easily-consumed products, this structure make crucible 30 detection, change simple and convenient, promote operating efficiency.
Preferably, on furnace shell 10, be provided with cover plate 16 and bell whirligig 17, cover plate 16 covers on the first opening 15 and the 3rd opening 31 of sealed crucible 30, bell whirligig 17 comprises column 171 and is arranged on rotationally the connecting rod 172 of column 171 upper ends, connecting rod 172 is connected with cover plate 16, connecting rod 172 rotates to open or covers the 3rd opening 31 around column 171, feeds in raw material, the operation such as feeding.
Again as shown in Figure 1, aluminium alloy high-frequency induction smelting furnace also comprises tempilstick 70, and tempilstick 70 is arranged on furnace shell 10, and it is interior to measure the temperature of crucible 30 interior aluminium alloy solutions to extend into crucible 30 by the first opening 15, makes it meet the demand of producing.
As shown in Figures 1 and 2, further, this aluminium alloy high-frequency induction smelting furnace also comprises heat-insulation layer 60, the insulation materials such as heat-insulation layer 60 is heat-preservation cotton, heat-insulation layer 60 is filled between the lateral surface and fixture 20 of crucible 30, with the Al alloy thermal insulation in crucible 30 and crucible 30, reduces the waste of crucible 30 interior heats, meanwhile, allow induction coil 40 avoid hyperthermia radiation.Certainly, heat-insulation layer 60 also can be coated on the lateral surface of fixture 20.
Preferably, in certain embodiments, heat-insulation layer 60 is cup-shaped, comprises the 4th opening 61 of being located at upper end, and heat-insulation layer 60 is installed in fixture 20 by the second opening 21, and crucible 30 is installed in heat-insulation layer 60 by the 4th opening 61.In certain embodiments, between fixture 20 and the bottom surface of heat-insulation layer 60, be also provided with warming plate 62, to reduce the radiating rate of crucible 30 bottom surfaces, ensure the temperature of the aluminium alloy in crucible 30.
As shown in Figures 2 and 3, in certain embodiments, fixture 20 comprise be located at upper end upper retainer plate 22, be located at the lower retainer plate 23, the fixed support 25 of being located at the firm banking 24 of lower end and upper retainer plate 22, lower retainer plate 23 and firm banking 24 being connected at middle part.Firm banking 24 is placed on stool 13 lower end of crucible 30 is supported, and the shape of fixed support 25 does not limit.In the present embodiment, fixed support 25 is many eight support bars that are connected between retainer plate 22, lower retainer plate 23 and firm banking 24.Induction coil 40 is the high temperature resistant copper cash of the cold or air blast cooling of nature, is wrapped in the outside of fixed support 25 from top to bottom, adopts this structure, can well support induction coil 40, and induction coil 40 and crucible 30 are isolated.Understandably, in other embodiments, also lower retainer plate 23 can be cancelled, fixed support 25 also can be other structures such as netted.
As shown in Figure 3, further, in certain embodiments, fixture 20 also comprises pressuring line structure, and pressuring line structure comprises and is removably connected to the upper fixing compression strip 26 between retainer plate 22 and lower retainer plate 23 and is detachably connected on the lower fixing compression strip 27 between lower retainer plate 23 and firm banking 24.Upper fixing compression strip 26, lower fixing compression strip 27 are arranged along the outer ring of fixture 20 respectively, induction coil 40 is clamped better fixing with fixed support 25 from inside and outside both sides.The quantity of upper fixing compression strip 26, lower fixing compression strip 27 can not limit, induction coil 40 can be fixed.
Understandably, above-mentioned each technical characterictic can be combined use and unrestricted.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an aluminium alloy high-frequency induction smelting furnace, comprises furnace shell (10), and described furnace shell (10) upside is provided with the first opening (15), it is characterized in that, described aluminium alloy high-frequency induction smelting furnace also comprises:
Be arranged on the fixture (20) in described furnace shell (10), the upper end of described fixture (20) is formed with the second opening (21), and described the second opening (21) is corresponding with the position of described the first opening (15);
For the crucible (30) of containing aluminum alloy, described crucible (30) comprises the 3rd opening (31) of being located at upper end, and what described crucible (30) can prolapse upwards by described the second opening (21) is installed in described fixture (20);
Around the induction coil (40) that is arranged on described fixture (20) outside;
And be electrically connected with described induction coil (40) high frequency induction power supply that high frequency electric is provided.
2. aluminium alloy high-frequency induction smelting furnace according to claim 1, it is characterized in that, described furnace shell (10) comprises grate (11) and is arranged on described grate (11) outside plate (12) around, and described outside plate (12) surrounds for described fixture (20) and is arranged at air-cooled space wherein.
3. aluminium alloy high-frequency induction smelting furnace according to claim 2, it is characterized in that, described outside plate (12) is provided with air cooling system (14), described air cooling system (14) comprises at least one ventilating fan, and the air in the described air-cooled space of described ventilating fan discharge is to lower the temperature to described induction coil (40).
4. aluminium alloy high-frequency induction smelting furnace according to claim 2, is characterized in that, the downside of described grate (11) is provided with the stool (13) that is supported on described fixture (20) lower end;
Described outside plate (12), for being located at the peripheral steel plate of described fixture (20), shields with the magnetic field that described induction coil (40) is produced.
5. aluminium alloy high-frequency induction smelting furnace according to claim 1, it is characterized in that, described aluminium alloy high-frequency induction smelting furnace also comprises heat-insulation layer (60), described heat-insulation layer (60) is filled between the lateral surface and described fixture (20) of described crucible (30), or described heat-insulation layer (60) is coated on the lateral surface of described fixture (20).
6. aluminium alloy high-frequency induction smelting furnace according to claim 1, it is characterized in that, described aluminium alloy high-frequency induction smelting furnace also comprises heat-insulation layer (60), described heat-insulation layer (60) is cup-shaped, comprise the 4th opening (61) of being located at upper end, described heat-insulation layer (60) is installed in described fixture (20) by described the second opening (21), and described crucible (30) is installed in described heat-insulation layer (60) by described the 4th opening (61); Between the bottom surface of described fixture (20) and heat-insulation layer (60), be provided with warming plate (62).
7. aluminium alloy high-frequency induction smelting furnace according to claim 1, is characterized in that, described fixture (20) comprising:
Be located at upper end upper retainer plate (22), be located at the lower retainer plate (23) at middle part, the fixed support (25) of being located at the firm banking (24) of lower end and fixed circle (22), lower retainer plate (23) and firm banking (24) being connected;
Described firm banking (24) supports the lower end of described crucible (30);
Described induction coil (40) is wrapped in the outside of described fixed support (25) from top to bottom.
8. aluminium alloy high-frequency induction smelting furnace according to claim 7, is characterized in that, described fixture (20) also comprises pressuring line structure;
Described thread depressing mechanism comprise be detachably connected on the some fixing compression strip (26) between fixed circle (22) and described lower retainer plate (23) and be detachably connected on described lower retainer plate (23) and described firm banking (24) between some lower fixing compression strip (27);
Described some fixing compression strips (26), described some lower fixing compression strips (27) are arranged along the outer ring of described fixture (20) respectively, described induction coil (40) is clamped fixing with described fixed support (25) from inside and outside both sides.
9. according to the aluminium alloy high-frequency induction smelting furnace described in claim 1-8 any one, it is characterized in that, described furnace shell (10) is provided with and covers the cover plate (16) of going up and seal described crucible (30) the 3rd opening (31) at described the first opening (15);
Described furnace shell (10) is provided with bell whirligig (17), described bell whirligig (17) comprises column (171) and is arranged on rotationally the connecting rod (172) of described column (171) upper end, described connecting rod (172) is connected with described cover plate (16), and described connecting rod (172) rotates to open or to cover described the first opening (15) around described column (171).
10. according to the aluminium alloy high-frequency induction smelting furnace described in claim 1-8 any one, it is characterized in that, described aluminium alloy high-frequency induction smelting furnace also comprises tempilstick (70), and described tempilstick (70) is extend in described crucible (30) by described the first opening (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189405.XU CN203785441U (en) | 2014-04-17 | 2014-04-17 | Aluminum alloy high-frequency induction smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189405.XU CN203785441U (en) | 2014-04-17 | 2014-04-17 | Aluminum alloy high-frequency induction smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785441U true CN203785441U (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189405.XU Expired - Lifetime CN203785441U (en) | 2014-04-17 | 2014-04-17 | Aluminum alloy high-frequency induction smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203785441U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050219A (en) * | 2015-07-10 | 2015-11-11 | 汪建英 | Servo heating system |
| CN107084621A (en) * | 2017-04-09 | 2017-08-22 | 王红 | A kind of metal or nonmetallic sintered crucible with shielding body of heater |
| CN110656256A (en) * | 2019-10-10 | 2020-01-07 | 全椒县同鑫模具配套有限公司 | Aluminum casting machining process |
-
2014
- 2014-04-17 CN CN201420189405.XU patent/CN203785441U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050219A (en) * | 2015-07-10 | 2015-11-11 | 汪建英 | Servo heating system |
| CN107084621A (en) * | 2017-04-09 | 2017-08-22 | 王红 | A kind of metal or nonmetallic sintered crucible with shielding body of heater |
| CN107084621B (en) * | 2017-04-09 | 2019-09-17 | 王红 | A kind of metal or nonmetallic sintered crucible with shielding furnace body |
| CN110656256A (en) * | 2019-10-10 | 2020-01-07 | 全椒县同鑫模具配套有限公司 | Aluminum casting machining process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ZHENENG ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FU BAOHUA Effective date: 20141115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141115 Address after: 3 building A8, building 518000, Shiyan Beida Founder science park, Shiyan City, Guangdong, Baoan District, Shenzhen Patentee after: SHENZHEN ZENEN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 3, building 518000, building A8, Peking University Founder science park, Shenzhen, Baoan District, Guangdong Patentee before: Fu Baohua |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |