CN105605539A - LED (light-emitting diode) street lamp energy-saving heat dissipation system - Google Patents
LED (light-emitting diode) street lamp energy-saving heat dissipation system Download PDFInfo
- Publication number
- CN105605539A CN105605539A CN201610078882.2A CN201610078882A CN105605539A CN 105605539 A CN105605539 A CN 105605539A CN 201610078882 A CN201610078882 A CN 201610078882A CN 105605539 A CN105605539 A CN 105605539A
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- Prior art keywords
- led
- lens
- energy
- heat dissipation
- heat radiation
- 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.)
- Granted
Links
- 230000017525 heat dissipation Effects 0.000 title abstract 8
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/59—Cooling arrangements using liquid coolants with forced flow of the coolant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
Abstract
The invention discloses an LED (light-emitting diode) street lamp energy-saving heat dissipation system. The main body is an LED street lamp, wherein the LED street lamp is formed by fixing a lamp cap to the top end of a lamp post; the lamp cap comprises a heat dissipation upper shell, a cooling pipe integrated board, a wind-driven stirring rod, an LED light source, a liquid lens and a transparent lower shell; the heat dissipation upper shell and the transparent lower shell are superposed together; the heat dissipation upper shell is provided with the wind-driven stirring rod; the top of a clearance between the heat dissipation upper shell and the transparent lower shell is provided with the cooling pipe integrated board; the lower surface of the cooling pipe integrated board is fixedly provided with the LED light source; the liquid lens is arranged below the LED light source; the liquid lens is corresponding to the transparent part of the transparent lower shell; and the cooling pipe integrated board communicates with the liquid lens, and is filled with a transparent coolant. The system is simple in structure; and the liquid cooling heat dissipation and the refraction effect of the transparent coolant are simultaneously utilized to further optimize the lighting efficiency, thereby enhancing the service efficiency of the LED street lamp and achieving the goals of energy saving and heat dissipation.
Description
Technical field
The present invention relates to LED lighting field, be specially a kind of LED road lamp energy-saving cooling system.
Background technology
LED illumination claims again LED lighting, to utilize solid semiconductor chip as luminescent material, in semiconductor, occur compoundly to emit superfluous energy and cause photo emissions by carrier, directly send red, yellow, blue, green, blue or green, orange, purple, white light.
LED is with its intrinsic feature, as power saving, life-span length, vibration resistance, the feature such as fast response time, cold light source, be widely used in the fields such as indicator lamp, signal lamp, display screen, Landscape Lighting, visible everywhere in our daily life, household electrical appliance, telephone set, Dashboard illumination, automobile anti-fog lamp, traffic lights etc. But due to the restriction of its luminance difference, the condition such as expensive, cannot apply as universal light source.
In recent years, along with people's deepening continuously to semiconductive luminescent materials research, the development and application of the continuous progress of LED manufacturing process and new material (element nitride crystal and fluorescent material), versicolor ultra-high brightness LED has been obtained breakthrough, its luminous efficiency has improved nearly 1000 times, colourity aspect has realized all colours of visible light wave range, wherein the most important thing is the appearance of super brightness white light LEDs, and making LED application be across to high efficiency illumination light source market becomes possibility. Once someone pointed out, high-brightness LED will be the mankind after Edison invented incandescent lamp bulb, one of greatest invention.
At present, known LED illuminating and heat radiating is all generally the area of dissipation by increasing aluminum or copper radiator or takes liquid coolant to lower the temperature, and cost is high, loss is high, weight is large, installation is inconvenient, versatility is poor.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, adopt liquid-cooling heat radiation also to utilize the refraction action of transparent coolant simultaneously, further optimize illumination efficiency, improve LED street lamp service efficiency and realize energy-conservation simultaneously, the object of heat radiation, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of LED road lamp energy-saving cooling system, main body is LED street lamp, being fixedly installed on lamp stand top by lamp holder forms, lamp holder comprises heat radiation upper casing, cooling tube circuit board, wind energy poking bar, LED light source, liquid lens and transparent lower casing, heat radiation upper casing and the stack of transparent lower casing arrange, on heat radiation upper casing, be provided with wind energy poking bar, between heat radiation upper casing and transparent lower casing, top, gap is provided with cooling tube circuit board, cooling tube circuit board lower surface is fixedly installed LED light source, LED light source below is provided with liquid lens, liquid lens arranges corresponding with transparent lower casing printing opacity place, cooling tube circuit board and liquid lens mutual conduction, inside is filled with transparent coolant,
Wind energy poking bar comprises little windmill, support, transmission device and kinetic energy conduction roller, support is arranged on heat radiation upper casing upper surface, prop up top of the trellis and be equipped with little windmill, frame bottom extends to heat radiation upper casing inside and is equipped with kinetic energy conduction roller, little windmill is connected by the transmission device and the kinetic energy conduction roller that arrange in support, and kinetic energy conduction roller is arranged on cooling tube circuit board.
Preferably, cooling tube circuit board comprises collector tube, drain pipe and feed tube, the cylindrical structure that collector tube is horizontal positioned, and collector tube inside is provided with kinetic energy conduction roller, collector tube one end is connected with several drain pipes, the feed tube conducting of the other end and equal number.
Preferably, drain pipe and feed tube adopt soft plastic material, and drain pipe and feed tube outside are provided with metal mounting pipe, the gap of reserved 0.5 ~ 2.5mm between metal mounting pipe and drain pipe or feed tube outer wall.
Preferably, liquid lens is by the linear setting of arranging of several sub-lens, sub-lens mutual conduction, and sub-lens is disc, top surface edge is to 1/10 ~ 1/2 of lower recess sub-lens body height.
Preferably, sub-lens adopts hard plastics or glass.
Preferably, little windmill, transmission device and kinetic energy conduction roller are heat-conducting metal material, and little windmill outside is coated with waterproof coating.
Preferably, coolant is distilled water.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention is simple in structure, by being used in conjunction with of heat radiation upper casing, cooling tube circuit board, wind energy poking bar, LED light source, liquid lens and transparent lower casing, adopt liquid-cooling heat radiation also to utilize the refraction action of transparent coolant simultaneously, further optimize illumination efficiency, raising LED street lamp service efficiency realizes energy-conservation simultaneously, the object of heat radiation.
(2) the cooling tube circuit board in invention comprises collector tube, drain pipe and feed tube, utilize capillary structure that heat radiation process is accelerated, and condensing agent is concentrated to collector tube, the circulation power of unitary fluid pipeline is provided by wind energy poking bar, makes power between each tributary pipeline keep average.
(3) drain pipe in cooling tube circuit board and feed tube adopt soft plastic material, drain pipe and feed tube outside are provided with metal mounting pipe, fully take into account the effect of expanding with heat and contract with cold, make this street lamp device no matter during the broiling summer or can both normally use cold winter, keep each pipeline pliability, increased the service life of equipment.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is cooling tube circuit board CONSTRUCTED SPECIFICATION figure;
Fig. 3 is drain pipe or feed tube cross-sectional structure schematic diagram
Fig. 4 is liquid lens structure schematic diagram;
Fig. 5 is liquid lens partial cross-section structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the invention provides a kind of LED road lamp energy-saving cooling system, main body is LED street lamp, being fixedly installed on lamp stand 2 tops by lamp holder 1 forms, lamp holder 1 comprises heat radiation upper casing 3, cooling tube circuit board 4, wind energy poking bar 5, LED light source 6, liquid lens 7 and transparent lower casing 8, heat radiation upper casing 3 arranges with transparent lower casing 8 stacks, on heat radiation upper casing 3, be provided with wind energy poking bar 5, between heat radiation upper casing 3 and transparent lower casing 8, top, gap is provided with cooling tube circuit board 4, cooling tube circuit board 4 lower surfaces are fixedly installed LED light source 6, LED light source 6 belows are provided with liquid lens 7, liquid lens 7 arranges corresponding with transparent lower casing 8 printing opacity places, cooling tube circuit board 4 and liquid lens 7 mutual conduction, inside is filled with transparent coolant 9.
Wind energy poking bar 5 comprises little windmill 5a, support 5b, transmission device 5c and kinetic energy conduction roller 5d, support 5b is arranged on heat radiation upper casing 3 upper surfaces, support 5b top is equipped with little windmill 5a, support 5b bottom extends to heat radiation upper casing 3 inside and is equipped with kinetic energy conduction roller 5d, little windmill 5a is connected by the transmission device 5c and the kinetic energy conduction roller 5d that arrange in support 5b, and kinetic energy conduction roller 5d is arranged on cooling tube circuit board 4. It is simple in structure, by being used in conjunction with of heat radiation upper casing 3, cooling tube circuit board 4, wind energy poking bar 5, LED light source 6, liquid lens 7 and transparent lower casing 8, adopt liquid-cooling heat radiation also to utilize the refraction action of transparent coolant 9 simultaneously, further optimize illumination efficiency, raising LED street lamp service efficiency realizes energy-conservation simultaneously, the object of heat radiation.
As shown in Figure 2, cooling tube circuit board 4 comprises collector tube 4a, drain pipe 4b and feed tube 4c, collector tube 4a is the cylindrical structure of horizontal positioned, collector tube 4a inside is provided with kinetic energy conduction roller 5d, collector tube 4a one end is connected with several drain pipes 4b, the feed tube 4c conducting of the other end and equal number. Utilize capillary structure that heat radiation process is accelerated, and condensing agent 9 is concentrated to collector tube 4a, the circulation power of unitary fluid pipeline is provided by wind energy poking bar 5, make power between each tributary pipeline keep average.
Drain pipe 4b wherein and feed tube 4c adopt soft plastic material, and as shown in Figure 3, drain pipe 4b and feed tube 4c outside are provided with metal mounting pipe 4d, the gap of reserved 0.5 ~ 2.5mm between metal mounting pipe 4d and drain pipe 4b or feed tube 4c outer wall. Fully take into account the effect of expanding with heat and contract with cold, make this street lamp device no matter during the broiling summer or can both normally use cold winter, keep each pipeline pliability, increased the service life of equipment.
As Fig. 4, liquid lens 7 shown in Fig. 5 is by the linear setting of arranging of several sub-lens 10, sub-lens 10 mutual conduction, and sub-lens 10 is disc, top surface edge is to 1/10 ~ 1/2 of lower recess sub-lens 10 body height. Sub-lens 10 adopts hard plastics or glass, guaranteed condensing agent 9 be filled in sub-lens inside after entirety can there is not deformation, can not have influence on its refraction effect.
Meanwhile, little windmill 5a, transmission device 5c and kinetic energy conduction roller 5d are heat-conducting metal material, and little windmill 5a outside is coated with waterproof coating. The heat producing in LED light source 6 use procedures is conducted to the external world by form by thermal convection current. And coolant 9 is distilled water, it possesses easy replacing, advantage with low cost.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (7)
1. a LED road lamp energy-saving cooling system, main body is LED street lamp, being fixedly installed on lamp stand top by lamp holder forms, it is characterized in that: described lamp holder comprises heat radiation upper casing, cooling tube circuit board, wind energy poking bar, LED light source, liquid lens and transparent lower casing, described heat radiation upper casing and the stack of transparent lower casing arrange, on heat radiation upper casing, be provided with wind energy poking bar, between heat radiation upper casing and transparent lower casing, top, gap is provided with cooling tube circuit board, cooling tube circuit board lower surface is fixedly installed LED light source, LED light source below is provided with liquid lens, liquid lens arranges corresponding with transparent lower casing printing opacity place, described cooling tube circuit board and liquid lens mutual conduction, inside is filled with transparent coolant,
Described wind energy poking bar comprises little windmill, support, transmission device and kinetic energy conduction roller, described support is arranged on heat radiation upper casing upper surface, prop up top of the trellis and be equipped with little windmill, frame bottom extends to heat radiation upper casing inside and is equipped with kinetic energy conduction roller, described little windmill is connected by the transmission device and the kinetic energy conduction roller that arrange in support, and described kinetic energy conduction roller is arranged on cooling tube circuit board.
2. a kind of LED road lamp energy-saving cooling system according to claim 1, it is characterized in that: described cooling tube circuit board comprises collector tube, drain pipe and feed tube, described collector tube is the cylindrical structure of horizontal positioned, collector tube inside is provided with kinetic energy conduction roller, collector tube one end is connected with several drain pipes, the feed tube conducting of the other end and equal number.
3. a kind of LED road lamp energy-saving cooling system according to claim 2, it is characterized in that: described drain pipe and feed tube adopt soft plastic material, drain pipe and feed tube outside are provided with metal mounting pipe, the gap of reserved 0.5 ~ 2.5mm between described metal mounting pipe and drain pipe or feed tube outer wall.
4. a kind of LED road lamp energy-saving cooling system according to claim 1, it is characterized in that: described liquid lens is by the linear setting of arranging of several sub-lens, described sub-lens mutual conduction, sub-lens is disc, top surface edge is to 1/10 ~ 1/2 of lower recess sub-lens body height.
5. a kind of LED road lamp energy-saving cooling system according to claim 4, is characterized in that: described sub-lens adopts hard plastics or glass.
6. a kind of LED road lamp energy-saving cooling system according to claim 1, is characterized in that: described little windmill, transmission device and kinetic energy conduction roller are heat-conducting metal material, and little windmill outside is coated with waterproof coating.
7. a kind of LED road lamp energy-saving cooling system according to claim 1, is characterized in that: described coolant is distilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078882.2A CN105605539B (en) | 2016-02-04 | 2016-02-04 | A kind of LED street lamp energy-saving radiating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078882.2A CN105605539B (en) | 2016-02-04 | 2016-02-04 | A kind of LED street lamp energy-saving radiating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105605539A true CN105605539A (en) | 2016-05-25 |
| CN105605539B CN105605539B (en) | 2018-05-25 |
Family
ID=55985698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078882.2A Active CN105605539B (en) | 2016-02-04 | 2016-02-04 | A kind of LED street lamp energy-saving radiating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605539B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730864A (en) * | 2018-06-19 | 2018-11-02 | 陈潇曼 | A kind of field surgery LED illumination lamp using suction type cooling system with internal circulation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457918A (en) * | 2008-12-25 | 2009-06-17 | 英飞特电子（杭州）有限公司 | Liquid cooling LED lamp |
| CN101463956A (en) * | 2008-06-16 | 2009-06-24 | 厦门市三安光电科技有限公司 | Wind power combined water-refrigeration LED road lamp |
| CN101655189A (en) * | 2009-07-16 | 2010-02-24 | 艾迪光电（杭州）有限公司 | Hollow liquid cooling LED bar-shaped lamp |
| CN202040649U (en) * | 2010-02-02 | 2011-11-16 | 王常荣 | Heat pipe heat-radiation large power LED street lamp |
| CN105135361A (en) * | 2015-08-28 | 2015-12-09 | 梁清霞 | Lamp capable of dissipating heat and cooling |
| CN105135280A (en) * | 2015-08-28 | 2015-12-09 | 梁清霞 | High-light-condensation heat-dissipation lamp |
-
2016
- 2016-02-04 CN CN201610078882.2A patent/CN105605539B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463956A (en) * | 2008-06-16 | 2009-06-24 | 厦门市三安光电科技有限公司 | Wind power combined water-refrigeration LED road lamp |
| CN101457918A (en) * | 2008-12-25 | 2009-06-17 | 英飞特电子（杭州）有限公司 | Liquid cooling LED lamp |
| CN101655189A (en) * | 2009-07-16 | 2010-02-24 | 艾迪光电（杭州）有限公司 | Hollow liquid cooling LED bar-shaped lamp |
| CN202040649U (en) * | 2010-02-02 | 2011-11-16 | 王常荣 | Heat pipe heat-radiation large power LED street lamp |
| CN105135361A (en) * | 2015-08-28 | 2015-12-09 | 梁清霞 | Lamp capable of dissipating heat and cooling |
| CN105135280A (en) * | 2015-08-28 | 2015-12-09 | 梁清霞 | High-light-condensation heat-dissipation lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730864A (en) * | 2018-06-19 | 2018-11-02 | 陈潇曼 | A kind of field surgery LED illumination lamp using suction type cooling system with internal circulation |
| CN108730864B (en) * | 2018-06-19 | 2021-01-12 | 张祺文 | LED illuminating lamp adopting negative pressure type internal circulation heat dissipation system for field operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105605539B (en) | 2018-05-25 |
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Inventor after: Zhu Like Inventor after: Wang Yuanhong Inventor after: Tang Xianhua Inventor before: Dong Yalun |
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Effective date of registration: 20180419 Address after: 528478 four, 21 of Fuqing two road, Yongxing Industrial Zone, Heng Lan village, Zhongshan, Guangdong. Applicant after: Zhongshan Eli Photoelectric Technology Co., Ltd. Address before: 430065 Hubei Province, Wuhan city Hongshan District HUANGJIAHU Road No. 3 Applicant before: Dong Yalun |
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Effective date of registration: 20200413 Address after: Room c506a-18, University Business Park, No. 99, University Road, Xuzhou hi tech Industrial Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou rongchuangda Electronic Technology Co., Ltd Address before: 528478 four, 21 of Fuqing two road, Yongxing Industrial Zone, Heng Lan village, Zhongshan, Guangdong. Patentee before: ZHONGSHAN YILI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210119 Address after: 226500 69 Zhongshan Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee after: NANTONG ZHONGTIE HUAYU ELECTRICS Co.,Ltd. Address before: Room c506a-18, University Pioneer Park, 99 Daxue Road, Xuzhou hi tech Industrial Development Zone, 221000, Jiangsu Province Patentee before: Xuzhou rongchuangda Electronic Technology Co.,Ltd. |