CN201443739U - LED explosion proof lamp - Google Patents
LED explosion proof lamp Download PDFInfo
- Publication number
- CN201443739U CN201443739U CN2008200609359U CN200820060935U CN201443739U CN 201443739 U CN201443739 U CN 201443739U CN 2008200609359 U CN2008200609359 U CN 2008200609359U CN 200820060935 U CN200820060935 U CN 200820060935U CN 201443739 U CN201443739 U CN 201443739U
- Authority
- CN
- China
- Prior art keywords
- light source
- lamp housing
- lamp
- source module
- led
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- 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 - Fee Related
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- 238000004880 explosion Methods 0.000 title abstract description 6
- 239000000758 substrate Substances 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000002360 explosive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an LED explosion proof lamp, which comprises an LED light source module, a light source module driver, a lamp casing, a lamp shade and other accessories. The lamp casing and the lamp shade form two enclosed spaces which are a light source cavity and a power supply cavity. The light source cavity and the power supply cavity are separated through a heat conduction plate. The LED light source module is installed in the enclosed light source cavity under the heat conduction plate. The light source module is installed in the driving power supply cavity above the heat conduction plate. The lamp shade is right against the LED light source module and is installed in the installation hole of the lamp casing and the lamp shade. Gaskets are arranged on the connection parts of the lamp casing and between the lamp shade and the lamp casing. The LED explosion proof lamp can be used for the lighting in high risk places such as chemical plant, oil product industries and the like, inherits the advantages of safety and reliability of the traditional explosion proof lamp, and introduces the energy saving and high power LED light system. Compared with the traditional explosion proof lamp, the energy can be saved by more than 60 percent. The modular LED light source increases the reliability of the lamp, simplifies the structure of the lamp. The integration of the lamp casing and the radiator meets the radiating requirements of LED, ensures that the LED chip can be worked under the ideal temperature, reduces the speed of brightness declining, and prolongs the service life of the lamp.
Description
Technical field
The utility model relates to a kind of lighting, says it is a kind of LED explosion-proof lamp that is used for special occasions definitely.
Background technology
Along with improving constantly of light emitting diode (LED) light efficiency, it will become the main flow of following illuminator, the product that road lighting, Landscape Lighting and room lighting etc. are existing suitable comes out, but existing product is difficult to be applied directly to some special occasions, particularly inflammable and explosive place, this just needs a kind of novel LED light fixture that meets the anti-explosion safety technical standard of design, makes it can be applicable to the illumination in high-risk places such as chemical plant, oil plant.
Summary of the invention
In order to solve an above-mentioned difficult problem, the utility model provides a kind of inflammable and explosive LED explosion-proof lamp that waits special occasions that is applicable to.
The utility model for solve that its technical problem adopts technical scheme be:
A kind of LED explosion-proof lamp is made of led light source module, light source module driver, lamp housing, lampshade and accessory thereof.Lamp housing and lampshade constitute two airtight spaces, light-source chamber and power source cavity, separate by heat transfer plate between light-source chamber and power source cavity, the led light source module is installed in the airtight light-source chamber in heat transfer plate below (being coated with heat-conducting glue between light source module and heat transfer plate), the light source module driver is installed in the driving power chamber of heat transfer plate top, lampshade faces the led light source module and is installed in the lamp housing lampshade installing hole, all adds sealing gasket between each connecting portion of lamp housing and lampshade and lamp housing.
Described lamp housing is made up of last lamp housing, middle lamp housing and following lamp housing.Silk mouth or screw link to each other to each other, need add the packing packing therebetween.Middle lampshade double as radiator, the position, intermediate portion is that a heat transfer substrate is separated into two parts with middle lampshade, top and last lamp housing form power source cavity, the bottom forms light-source chamber with following lamp housing, and middle lamp housing periphery is provided with some fin, is divergent shape and evenly distributes, the polishing of heat transfer substrate lower surface, the led light source module is fixed in by screw under it, and the heat transfer substrate upper surface is established light source module driver installing hole (should exceed heat transfer substrate, avoid driver directly to contact with heat transfer substrate); Last lamp housing leaves through wires hole, and the through wires hole inner rim is established rubber ring (in order to sealing); Following lamp housing is connected with middle lamp housing silk mouth or screw, and it is the lampshade installing hole over against heat transfer substrate.Last lamp housing, middle lamp housing and following lamp housing are aluminium base die casting, and the screw hole or other attaching parts that connect usefulness must be set on it.
Described led light source module is made up of by the lead connection in series-parallel the great power LED luminescent wafer that array arrangement places in the module carrier and by the encapsulation of insulating heat-conductive silica gel, form a light-emitting area and a thermal conductive surface.Thermal conductive surface is made by the little metal of thermal resistance, should comprise screw hole that is connected with lamp radiator and the through wires hole that supplies cabling on it.Light-emitting area can be provided with silica-gel lens or glass lens that luminous intensity distribution is used towards lampshade on it, thermal conductive surface is connected on the heat transfer substrate lower surface by screw and heat-conducting glue.
Described light source module driver is a constant current voltage stabilizing dc driver, comprises input and output, input external AC, output termination led light source module.
Described lampshade is made and following lamp housing lampshade installing hole coupling by implosion guard, and lampshade inner surface can add anti-reflection film to increase light transmittance.
Described sealing gasket is that high temperature resistant aging-resistant high elastic rubber or other material are made.
The beneficial effects of the utility model are: the utility model provides a kind of LED explosion-proof lamp for chemical plant, oil product enterprise, inherited the safe and reliable advantage of traditional explosion-proof lamp, again energy-conservation high-power LED lighting system is introduced wherein, traditional explosion-proof lamp of comparing can save energy more than 60%, its Modular LED light source has increased the light fixture reliability, simplified fitting structure, the integrated requirement of satisfying the LED heat radiation of lamp outer casing and radiator, make led chip be operated under the desirable temperature, reduce light decay and waste time, prolong light fixture service life.
Description of drawings:
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model profile;
Fig. 3 is the utility model structural representation;
Fig. 4 is a lamp housing vertical view in the middle of the utility model;
Fig. 5 is a lamp housing A-A profile in the middle of the utility model.
The specific embodiment
Embodiment: a kind of LED explosion-proof lamp is made of led light source module (1), light source module driver (2), lamp housing (3,4,5), lampshade (6) and accessory (7,8) thereof.Lamp housing and lampshade constitute two airtight spaces, light-source chamber and power source cavity, separate by heat transfer plate (31) between light-source chamber and power source cavity, the led light source module is installed in the airtight light-source chamber in heat transfer plate below (being coated with heat-conducting glue between light source module and heat transfer plate), the light source module driver is installed in the driving power chamber of heat transfer plate top, lampshade faces the led light source module and is installed in the lamp housing lampshade installing hole, all adds sealing gasket between each connecting portion of lamp housing and lampshade and lamp housing.
Lamp housing is made up of last lamp housing (5), middle lamp housing (3) and following lamp housing (4).Silk mouth or screw link to each other to each other, need add packing packing (8) therebetween.Middle lampshade double as radiator, the position, intermediate portion is that a heat transfer substrate (31) is separated into two parts with middle lampshade, and top and last lamp housing form power source cavity, and the bottom forms light-source chamber with following lamp housing.Middle lamp housing periphery is provided with some fin (32), is divergent shape and evenly distributes, the about 1-3mm of thickness; Heat transfer substrate thickness 4-8mm, the lower surface polishing, the led light source module (adds heat-conducting glue therebetween under being fixed in it by screw, make the chip thermal conductive surface closely contact with heat transfer substrate, to reduce heat transmission resistance), the heat transfer substrate upper surface is established light source module driver erecting bed (33) (should exceed heat transfer substrate, avoid driver directly to contact with heat transfer substrate) and installing hole (34); Last lamp housing leaves through wires hole, and the through wires hole inner rim is established rubber ring or adopted water-tight joint (7); Following lamp housing is connected with middle lamp housing silk mouth or screw, and it is the lampshade installing hole over against heat transfer substrate.Last lamp housing, middle lamp housing and following lamp housing are aluminium base die casting, and the screw hole or other attaching parts that connect usefulness must be set on it.
Described led light source module is made up of by the lead connection in series-parallel the great power LED luminescent wafer that array arrangement places in the module carrier and by the encapsulation of insulating heat-conductive silica gel, form a light-emitting area and a thermal conductive surface.Thermal conductive surface is made by the little metal of thermal resistance, should comprise screw hole that is connected with lamp radiator and the through wires hole that supplies cabling on it.Light-emitting area can be provided with silica-gel lens or glass lens that luminous intensity distribution is used towards lampshade on it, thermal conductive surface is connected on the heat transfer substrate lower surface by screw and heat-conducting glue.
Described light source module driver is a constant current voltage stabilizing dc driver, comprises input and output, input external AC, output termination led light source module.
Described lampshade is made and following lamp housing lampshade installing hole coupling by glass, and lampshade inner surface can add anti-reflection film to increase light transmittance.
Described sealing gasket is that high temperature resistant aging-resistant high elastic rubber or other material are made.
Claims (6)
1. LED explosion-proof lamp, it is characterized in that: by the led light source module, the light source module driver, lamp housing, lampshade and accessory thereof constitute, it is light-source chamber and power source cavity that lamp housing and lampshade constitute two airtight spaces, separate by heat transfer plate between light-source chamber and power source cavity, the led light source module is installed in the airtight light-source chamber in heat transfer plate below, be coated with heat-conducting glue between light source module and heat transfer plate, the light source module driver is installed in the driving power chamber of heat transfer plate top, lampshade faces the led light source module and is installed in the lamp housing lampshade installing hole, all adds sealing gasket between each connecting portion of lamp housing and lampshade and lamp housing.
2. a kind of LED explosion-proof lamp according to claim 1, it is characterized in that: described lamp housing is by last lamp housing, middle lamp housing and following lamp housing are formed, silk mouth or screw link to each other to each other, need add the packing packing therebetween, middle lampshade double as radiator, the position, intermediate portion is that a heat transfer substrate is separated into two parts up and down with middle lampshade, top and last lamp housing form power source cavity, the bottom forms light-source chamber with following lamp housing, middle lamp housing periphery is provided with some fin, being divergent shape evenly distributes, the polishing of heat transfer substrate lower surface, the led light source module is fixed in by screw under it, and the heat transfer substrate upper surface is established light source module driver installing hole, and driver should exceed heat transfer substrate in order to avoid driver directly contacts with heat transfer substrate when installing; Last lamp housing leaves through wires hole, and the through wires hole inner rim is established rubber ring; Following lamp housing is connected with middle lamp housing silk mouth or screw, and it is the lampshade installing hole over against heat transfer substrate; Last lamp housing, middle lamp housing and following lamp housing are aluminium base die casting, and the screw hole that connects usefulness is set on it.
3. a kind of LED explosion-proof lamp according to claim 1, it is characterized in that: described led light source module is made up of by the lead connection in series-parallel the great power LED luminescent wafer that array arrangement places in the module carrier and by the encapsulation of insulating heat-conductive silica gel, form a light-emitting area and a thermal conductive surface; Thermal conductive surface is made by the little metal of thermal resistance, should comprise screw hole that is connected with lamp radiator and the through wires hole that supplies cabling on it; Light-emitting area can be provided with silica-gel lens or glass lens that luminous intensity distribution is used towards lampshade on it, thermal conductive surface is connected on the heat transfer substrate lower surface by screw and heat-conducting glue.
4. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described light source module driver is a constant current voltage stabilizing dc driver, comprises input and output, input external AC, output termination led light source module.
5. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described lampshade is made and following lamp housing lampshade installing hole coupling by implosion guard, and lampshade inner surface can add anti-reflection film to increase light transmittance.
6. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described sealing gasket is that high temperature resistant aging-resistant high elastic rubber material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008200609359U CN201443739U (en) | 2008-11-25 | 2008-11-25 | LED explosion proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008200609359U CN201443739U (en) | 2008-11-25 | 2008-11-25 | LED explosion proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443739U true CN201443739U (en) | 2010-04-28 |
Family
ID=42548419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008200609359U Expired - Fee Related CN201443739U (en) | 2008-11-25 | 2008-11-25 | LED explosion proof lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201443739U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900268A (en) * | 2010-06-30 | 2010-12-01 | 海洋王照明科技股份有限公司 | Explosion-proof lamp |
| CN101943354A (en) * | 2010-06-30 | 2011-01-12 | 海洋王照明科技股份有限公司 | Led street lamp |
| CN102313234A (en) * | 2011-08-19 | 2012-01-11 | 陕西斯达煤矿安全装备有限公司 | Integrated miniature anti-explosion miner lamp |
| CN102588921A (en) * | 2012-02-08 | 2012-07-18 | 深圳市泓亚光电子有限公司 | Lamp heat radiator and thermomagnetic heat-radiation LED streetlamp |
| CN102705726A (en) * | 2012-05-02 | 2012-10-03 | 浙江全加好科技有限公司 | High-power LED (light-emitting diode) anti-explosion lamp with metal cooling device |
| CN102705759A (en) * | 2012-05-28 | 2012-10-03 | 江苏好的节能光电科技有限公司 | LED (light-emitting diode) bright-light explosion-proof mining lamp |
| CN102720984A (en) * | 2011-03-29 | 2012-10-10 | 海洋王照明科技股份有限公司 | Tunnel lamp |
| CN102797988A (en) * | 2011-05-27 | 2012-11-28 | 江苏尚明光电有限公司 | Explosion-proof light emitting diode (LED) lamp |
| CN103363317A (en) * | 2012-03-28 | 2013-10-23 | 海洋王照明科技股份有限公司 | LED explosion-proof lamp |
| CN103363318A (en) * | 2012-03-28 | 2013-10-23 | 海洋王照明科技股份有限公司 | Explosion-proof work lamp |
| CN104279461A (en) * | 2014-09-17 | 2015-01-14 | 安徽雄峰矿山装备有限公司 | Anti-explosive coal mine roadway directional illumination lamp |
| CN105546495A (en) * | 2016-01-08 | 2016-05-04 | 湖南玖泓节能科技有限公司 | LED explosion-proof lamp |
| WO2018102802A1 (en) * | 2016-12-02 | 2018-06-07 | Cooper Technologies Company | Hazardous location light fixture housings |
| USD840586S1 (en) | 2017-10-03 | 2019-02-12 | Cooper Technologies Company | Light fixture |
| US10514415B2 (en) | 2015-12-28 | 2019-12-24 | Eaton Intelligent Power Limited | Prognostic and health monitoring systems for light features |
| EP3982042A1 (en) * | 2020-10-12 | 2022-04-13 | Eaton Intelligent Power Limited | Harsh and hazardous location high lumen luminaire assembly and method |
-
2008
- 2008-11-25 CN CN2008200609359U patent/CN201443739U/en not_active Expired - Fee Related
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943354A (en) * | 2010-06-30 | 2011-01-12 | 海洋王照明科技股份有限公司 | Led street lamp |
| CN101900268A (en) * | 2010-06-30 | 2010-12-01 | 海洋王照明科技股份有限公司 | Explosion-proof lamp |
| CN101900268B (en) * | 2010-06-30 | 2013-06-05 | 海洋王照明科技股份有限公司 | Explosion-proof lamp |
| CN101943354B (en) * | 2010-06-30 | 2013-08-07 | 海洋王照明科技股份有限公司 | Led street lamp |
| CN102720984B (en) * | 2011-03-29 | 2016-03-30 | 海洋王照明科技股份有限公司 | Tunnel lamp |
| CN102720984A (en) * | 2011-03-29 | 2012-10-10 | 海洋王照明科技股份有限公司 | Tunnel lamp |
| CN102797988A (en) * | 2011-05-27 | 2012-11-28 | 江苏尚明光电有限公司 | Explosion-proof light emitting diode (LED) lamp |
| CN102313234A (en) * | 2011-08-19 | 2012-01-11 | 陕西斯达煤矿安全装备有限公司 | Integrated miniature anti-explosion miner lamp |
| CN102588921A (en) * | 2012-02-08 | 2012-07-18 | 深圳市泓亚光电子有限公司 | Lamp heat radiator and thermomagnetic heat-radiation LED streetlamp |
| CN103363317B (en) * | 2012-03-28 | 2017-02-22 | 海洋王照明科技股份有限公司 | LED explosion-proof lamp |
| CN103363317A (en) * | 2012-03-28 | 2013-10-23 | 海洋王照明科技股份有限公司 | LED explosion-proof lamp |
| CN103363318A (en) * | 2012-03-28 | 2013-10-23 | 海洋王照明科技股份有限公司 | Explosion-proof work lamp |
| CN102705726A (en) * | 2012-05-02 | 2012-10-03 | 浙江全加好科技有限公司 | High-power LED (light-emitting diode) anti-explosion lamp with metal cooling device |
| CN102705759A (en) * | 2012-05-28 | 2012-10-03 | 江苏好的节能光电科技有限公司 | LED (light-emitting diode) bright-light explosion-proof mining lamp |
| CN104279461A (en) * | 2014-09-17 | 2015-01-14 | 安徽雄峰矿山装备有限公司 | Anti-explosive coal mine roadway directional illumination lamp |
| US10514415B2 (en) | 2015-12-28 | 2019-12-24 | Eaton Intelligent Power Limited | Prognostic and health monitoring systems for light features |
| CN105546495A (en) * | 2016-01-08 | 2016-05-04 | 湖南玖泓节能科技有限公司 | LED explosion-proof lamp |
| CN105546495B (en) * | 2016-01-08 | 2019-04-26 | 湖南玖泓节能科技有限公司 | A kind of LED anti-explosion lamp |
| US10260722B2 (en) | 2016-12-02 | 2019-04-16 | Eaton Intelligent Power Limited | Sensor modules for light fixtures |
| US10408442B2 (en) | 2016-12-02 | 2019-09-10 | Cooper Technologies Company | Hazardous location light fixture housings |
| US10443832B2 (en) | 2016-12-02 | 2019-10-15 | Cooper Technologies Company | Collars for light fixtures |
| WO2018102802A1 (en) * | 2016-12-02 | 2018-06-07 | Cooper Technologies Company | Hazardous location light fixture housings |
| US10551047B2 (en) | 2016-12-02 | 2020-02-04 | Eaton Intelligent Power Limited | Sensor modules for light fixtures |
| US10655833B2 (en) | 2016-12-02 | 2020-05-19 | Eaton Intelligent Power Limited | Antennae for hazardous location light fixtures |
| US11221127B2 (en) | 2016-12-02 | 2022-01-11 | Eaton Intelligent Power Limited | Antennae for hazardous location light fixtures |
| USD840586S1 (en) | 2017-10-03 | 2019-02-12 | Cooper Technologies Company | Light fixture |
| EP3982042A1 (en) * | 2020-10-12 | 2022-04-13 | Eaton Intelligent Power Limited | Harsh and hazardous location high lumen luminaire assembly and method |
| US11774070B2 (en) | 2020-10-12 | 2023-10-03 | Eaton Intelligent Power Limited | Harsh and hazardous location high lumen luminaire assembly and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Yangtze Electromechanical Science & Technology Co.,Ltd. Assignor: Dong Lixia Contract record no.: 2012320000310 Denomination of utility model: Light-emitting diode (LED) anti-explosion lamp Granted publication date: 20100428 License type: Exclusive License Record date: 20120327 |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHENJIANG YANGZI ELECTROMECHANICAL EQUIPMENT CO., Free format text: FORMER OWNER: DONG LIXIA Effective date: 20120828 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 236302 FUYANG, ANHUI PROVINCE TO: 212200 ZHENJIANG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120828 Address after: 212200 No. 108 Yang Yang North Road, Yangzhong Development Zone, Jiangsu, China Patentee after: Zhenjiang Yangzi Electromechanical Equipment Co., Ltd. Address before: Zhao village 236302 Anhui County of Funan province Duan Ying Xiang Shuang Zhuang 74 Patentee before: Dong Lixia |
|
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU YANGTZE ELECTROMECHANICAL SCIENCE + TECHNO Free format text: FORMER OWNER: ZHENJIANG YANGZI ELECTROMECHANICAL EQUIPMENT CO., LTD. Effective date: 20120918 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 212200 ZHENJIANG, JIANGSU PROVINCE TO: 212132 ZHENJIANG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120918 Address after: 212132 No. 76, Yinhe Road, Dagang District, Zhenjiang, Jiangsu Patentee after: Jiangsu Yangtze Electromechanical Science & Technology Co.,Ltd. Address before: 212200 No. 108 Yang Yang North Road, Yangzhong Development Zone, Jiangsu, China Patentee before: Zhenjiang Yangzi Electromechanical Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20151125 |