CN110730528A - Distributed power supply system for fish gathering lamp power supply - Google Patents
Distributed power supply system for fish gathering lamp power supply Download PDFInfo
- Publication number
- CN110730528A CN110730528A CN201911153474.9A CN201911153474A CN110730528A CN 110730528 A CN110730528 A CN 110730528A CN 201911153474 A CN201911153474 A CN 201911153474A CN 110730528 A CN110730528 A CN 110730528A
- Authority
- CN
- China
- Prior art keywords
- power supply
- interface
- fish gathering
- lamp
- voltage power
- 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
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Means For Catching Fish (AREA)
Abstract
The invention provides a distributed power supply system for fish gathering lamp power supplies, which comprises a three-phase power supply and a plurality of fish gathering lamps, wherein the three-phase power supply is connected with a plurality of AC/DC high-voltage power supplies, each AC/DC high-voltage power supply is connected with a plurality of inversion units, each inversion unit is connected with one fish gathering lamp, the plurality of AC/DC high-voltage power supplies are intensively placed in a high-voltage power supply cabinet, and the inversion units are distributed along with the corresponding fish gathering lamps. The invention adopts the distributed power supply that the AC/DC high-voltage power supply is arranged in a centralized way and the inversion units are arranged along with the fish gathering lamp in a distributed way, thereby solving the problems of heat dissipation, wiring, loss and the like.
Description
Technical Field
The invention belongs to the technical field of power supplies, and particularly relates to a distributed power supply system for a fish gathering lamp power supply.
Background
The fishing lamp is an important tool for attracting fish shoals and catching purse nets of fishermen working on the sea.
The fish gathering lamp in the prior art mainly comprises metal halogen lamps, in order to realize efficient fish gathering, the fish gathering lamps on a fishing boat are all configured in an array mode, 150 lamps are generally configured on a small fishing boat, 400 lamps are configured on a medium fishing boat 380, 850 lamps are configured on a large fishing boat 450, the power of a single lamp is 1kW or 1.5kW, and the single lamp is divided into a plurality of rows at equal intervals and is arranged above the side boards on two sides.
The metal halide lamp can normally emit light only after three stages of triggering, ignition and normal light emission, and the whole process can be completed only by being provided with a special ballast. Each metal halide lamp is provided with a ballast. These ballasts are usually placed in the hold of the ship due to installation, and are located at a certain distance from the installation position of the lamp, which causes problems in at least the following aspects: a large number of ballasts are placed on a frame in a cabin, and heat dissipation is a problem when the ballasts work for a long time; the ballasts are stored in a centralized mode, long transmission cables are needed from the ballasts to the lamps, the length of the transmission cables is dozens of meters, and more than dozens of meters or even hundreds of meters are needed. Thus, 1 ship needs several kilometers or even dozens of kilometers of cables, and large current is transmitted on the long cables, so that power loss caused by line voltage drop is inevitable.
The technical personnel in the field consider adopting the LED lamp to replace the metal halide lamp as a solution, but because the problem of low-cost heat dissipation of the ultra-high power LED chip can not be effectively solved temporarily at present, the LED lamp is not practical to replace the traditional metal halide lamp in marine fishery fishing in a short period.
Disclosure of Invention
The invention aims to solve the problems and provides a distributed power supply system for a fish gathering lamp power supply.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distributed power supply system for fish gathering lamp power supplies comprises a three-phase power supply and a plurality of fish gathering lamps, wherein the three-phase power supply is connected with a plurality of AC/DC high-voltage power supplies, each AC/DC high-voltage power supply is connected with a plurality of inversion units, each inversion unit is connected to one fish gathering lamp, the plurality of AC/DC high-voltage power supplies are intensively placed in a high-voltage power supply cabinet, and the inversion units are distributed along with the corresponding fish gathering lamps.
In the above distributed power supply system of the fish gathering lamp power supply, the AC/DC high voltage power supply is connected with the inverter unit through a DC power transmission cable, so that electric energy is transmitted between the AC/DC high voltage power supply and the inverter unit through high voltage direct current.
In the above described distributed power supply system for fish gathering lamp power supply, the inverter unit is connected to the fish gathering lamp through an ac lamp power line.
In the above distributed power supply system for the fish gathering lamp power supply, the AC/DC high voltage power supply has an AC input interface, a communication interface, and a DC output interface, the AC input interface is used to connect a three-phase power supply, the communication interface is used to connect the master controller, and the DC output interface is used to connect the inverter unit.
In the above distributed power supply system for the fish gathering lamp power supply, the inverter unit has a DC input interface, a DC output interface, a control input interface, a control output interface and an AC output interface, the DC input interface is used for connecting an AC/DC high voltage power supply, the DC output interface is used for connecting another inverter unit, the control input interface is used for connecting the main controller, the control output interface is used for connecting another inverter unit, and the AC output interface is used for connecting the fish gathering lamp.
In the above described distributed power supply system for fish gathering lamp power supply, the communication interface and the control input interface are both connected to the master controller through a control bus.
In the fish gathering lamp power supply distributed power supply system, a plurality of inversion units connected to the same AC/DC high-voltage power supply are sequentially connected through direct-current power supply interconnection lines.
In the distributed power supply system of the fish gathering lamp power supply, the control output interfaces of the inverter units are sequentially connected through control interconnection lines to be respectively connected to the master controller.
In the distributed power supply system of the fish gathering lamp power supply, the master controller is provided with a display interface, a key interface and a communication control interface, the display interface is used for connecting a display module, the key interface is used for connecting a switch key, and the communication control interface is used for connecting the AC/DC high-voltage power supply and the inversion unit.
In the distributed power supply system of the fish gathering lamp power supply, the number of the inversion units connected with each AC/DC high-voltage power supply meets the following conditions: the number n of the inversion units is less than the power of each AC/DC high-voltage power supply/the power of each fish gathering lamp.
The invention has the advantages that: the problems that in the prior art, a metal halide lamp for fish gathering is difficult to dissipate heat when supplying power in a centralized mode, the number of power supply lines is large, transmission loss is large and the like are solved.
Drawings
FIG. 1 is a schematic block diagram of a distributed power supply system of the fish gathering lamp power supply of the present invention;
FIG. 2 is a schematic diagram of the interface of the AC/DC high voltage power supply of the present invention;
FIG. 3 is a schematic diagram of an interface of the inverter unit according to the present invention;
fig. 4 is a schematic interface diagram of the overall controller of the present invention.
Reference numerals: a three-phase power supply 101; a three-phase mains supply line 102; an AC/DC high voltage power supply 103; a high voltage power supply cabinet 104; a DC power transmission cable 105; a general controller 106; a control bus 107; an inversion unit 108; a fish gathering lamp 109; an AC lamp power line 110; a dc power interconnection line 111; control the interconnect line 112; an AC input interface 201; dc output interfaces 202, 302; a communication interface 203; a DC input interface 301; a control input interface 303; a control output interface 304; an ac output interface 305; a display interface 401; a key interface 402; a communication control interface 403.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present embodiment discloses a distributed power supply system for fish gathering lamp power, which includes a three-phase power supply 101 and a plurality of fish gathering lamps 109, where the fish gathering lamps 109 are metal halide lamps used in the prior art.
This embodiment is to the problem in the use of metal halide array for the fishing, is two with metal halide ballast one, divide into two parts of AC/DC high voltage power supply 103 and inverter unit 108, adopts AC/DC high voltage power supply 103 to concentrate and places, and inverter unit 108 distributes the distributed power supply of placing along with fishing lamp 109, has solved heat dissipation, wiring, loss scheduling problem, and concrete structure is:
the three-phase power supply 101 is connected with a plurality of AC/DC high-voltage power supplies 103 through a three-phase power supply line 102, each AC/DC high-voltage power supply 103 is connected with a plurality of inverter units 108 so that each AC/DC high-voltage power supply 103 supplies power for the inverter units 108, each inverter unit 1088 is connected with one fish gathering lamp 109 through an alternating current lamp power line 110, and the inverter units 108 realize the functions of a common ballast, namely three stages of triggering, igniting and normally lighting, so that the fish gathering lamp 109 is lighted and stably lights. A plurality of AC/DC high-voltage power supplies 103 are centrally arranged in a high-voltage power supply cabinet 104, and inverter units 108 are distributed along with corresponding fish gathering lamps 109.
Each AC/DC high voltage power supply 103 supplies power to a plurality of (n) inverter power supplies, the corresponding number n is generally 8 to 12, and is determined according to the power relationship between the two, that is: the number n of the inversion units is less than the power of each AC/DC high-voltage power supply/the power of each fish gathering lamp. In this example, 12 stands were taken.
The system adopts 1 AC/DC high-voltage power supply 103 corresponding to a plurality of inverter units 108, so that the number of transmission lines from the high-voltage power supply cabinet 104 to the inverter units 108 is reduced, and field wiring is simplified.
Further, the AC/DC high voltage power supply 103 is connected to the inverter unit 108 via a DC power transmission cable 105, so that electric power is transmitted between the AC/DC high voltage power supply 103 and the inverter unit 108 via high voltage DC. The AC/DC high-voltage power supply 103 outputs high-voltage direct current, transmission loss can be effectively reduced through high-voltage direct current transmission, and the direct current voltage can be generally selected from 600V to 800V. And since the AC/DC high-voltage power supply 103 is transmitted to the inverter unit 108 in a long distance, the system efficiency can be improved by adopting a high-voltage transmission mode.
Specifically, as shown in fig. 2, the AC/DC high-voltage power supply 103 has an alternating-current input interface 201, a communication interface 203, and a direct-current output interface 202; as shown in fig. 3, the inverter unit 108 has a dc input interface 301, a dc output interface 32, a control input interface 303, a control output interface 304, and an ac output interface 305; as shown in fig. 4, the overall controller 106 has a display interface 401, a key interface 402, and a communication control interface 403.
The AC input interface 201 of the AC/DC high-voltage power supply 103 is used for connecting a three-phase power supply 101, the communication interface 203 is connected with the communication control interface 403 of the master controller 106 through the control bus 107, and the DC output interface 202 is used for connecting the DC input interface 301 of the inverter unit 108; the direct current output interface 302 of the inverter unit 108 is used for connecting a direct current input interface 301 of another inverter unit 108, the control input interface 303 is connected with a communication control interface 403 of the master controller 106 through the control bus 107, the control output interface 304 is used for connecting a control input interface 303 of another inverter unit 108, and the alternating current output interface 305 is used for connecting the fish gathering lamp 109. And a plurality of inverter units 108 connected to the same AC/DC high voltage power supply 103 are sequentially connected through a DC power interconnection line 111, for example, as shown in fig. 1, one of the plurality of inverter units 108 connected to the same AC/DC high voltage power supply 103 is connected to the AC/DC high voltage power supply 103, and then the one is taken as a first one, the group of inverter units 108 are arranged in order, and a DC output interface 302 of the previous one is connected to a DC input interface 301 of the next one through the DC power interconnection line 111. Meanwhile, the control output interfaces 304 of the inverter units 108 are interconnected in turn through the control interconnection line 112 to be respectively connected to the overall controller 106.
Specifically, the display interface 401 is used for connecting a display module, the key interface 402 is used for connecting a switch key, and the communication control interface 403 is used for connecting the AC/DC high-voltage power supply 103 and the inverter unit 108.
When the system works, an operator presses a switch button on the master controller 106, the master controller 106 sends a starting instruction to the AC/DC high-voltage power supply 103 and the inversion unit 108 through the control bus 107, the AC/DC high-voltage power supply 103 is powered on, after the power-on is completed, high-voltage direct current is supplied to the inversion unit 108 through the DC power supply transmission cable 105, and the inversion unit 108 realizes the functions of a common ballast, namely three stages of triggering, firing and normal lighting, so that the fish gathering lamp 109 is lightened and stably lights.
In the using process of the system, the luminous intensity of the fish gathering lamp 109 can be adjusted through a switch key on the master controller 106; after the system sets the light intensity, the inverter unit 108 automatically adjusts the output voltage according to the actual state of the fish gathering lamp 109, so that the light intensities of the lamps are basically consistent.
Preferably, in order to avoid the impact on the power supply system caused by the fact that all the fish gathering lamps 109 are powered on together when the system is powered on, the AC/DC high-voltage power supply 103 is controlled to be powered on sequentially by the general controller 106 in a batch power-on mode, for example, the power-on interval is 1 s.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made or substituted in a similar manner to the specific embodiments described herein by those skilled in the art without departing from the spirit or exceeding the scope of the invention as defined in the appended claims, the invention being expressed as directly or indirectly connected.
Although a three-phase power supply 101 is used more herein; a three-phase mains supply line 102; an AC/DC high voltage power supply 103; a high voltage power supply cabinet 104; a DC power transmission cable 105; a general controller 106; a control bus 107; an inversion unit 108; a fish gathering lamp 109; an AC lamp power line 110; a dc power interconnection line 111; control the interconnect line 112; an AC input interface 201; dc output interfaces 202, 302; a communication interface 203; a DC input interface 301; a control input interface 303; a control output interface 304; an ac output interface 305; a display interface 401; a key interface 402; communication control interface 403, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a fishing lamp power distribution formula power supply system, includes three phase power (101) and a plurality of fishing lamp (109), its characterized in that, three phase power (101) are connected with many AC/DC high voltage power (103), and every AC/DC high voltage power (103) are connected with many inverter unit (108), and every inverter unit (108) are connected in a fishing lamp (109), and many AC/DC high voltage power (103) concentrate and place in high voltage power supply cabinet (104), and inverter unit (108) distribute along with corresponding fishing lamp (109) and place.
2. The distributed power supply system for fish gathering lamp power supply according to claim 1, wherein the AC/DC high-voltage power supply (103) is connected with the inversion unit (108) through a DC power transmission cable (105), so that electric energy is transmitted between the AC/DC high-voltage power supply (103) and the inversion unit (108) through high-voltage direct current.
3. The fish gathering lamp power distributed power supply system as claimed in claim 2, wherein the inverter unit (108) is connected to the fish gathering lamp (109) through an ac lamp power line (110).
4. A distributed power supply system for fishing lights according to claim 3, characterized in that the AC/DC high voltage power supply (103) has an AC input interface (201), a communication interface (203) and a DC output interface (202), the AC input interface (201) is used for connecting a three-phase power supply (101), the communication interface (203) is used for connecting a general controller (106), and the DC output interface (202) is used for connecting the inverter unit (108).
5. The distributed power supply system for fish gathering lamp power supply according to claim 4, wherein the inverter unit (108) has a direct current input interface (301), a direct current output interface (302), a control input interface (303), a control output interface (304) and an alternating current output interface (305), the direct current input interface (301) is used for connecting with an AC/DC high-voltage power supply (103), the direct current output interface (302) is used for connecting with another inverter unit (108), the control input interface (303) is used for connecting with the master controller (106), the control output interface (304) is used for connecting with another inverter unit (108), and the alternating current output interface (305) is used for connecting with the fish gathering lamp (109).
6. A fishing lamp power supply distributed power supply system according to claim 5, characterized in that the communication interface (203) and the control input interface (303) are connected to the general controller (106) through a control bus (107).
7. The distributed power supply system for fish gathering lamp power supplies according to claim 6, characterized in that a plurality of inverter units (108) connected to the same AC/DC high voltage power supply (103) are connected in sequence through direct current power supply interconnection lines (111).
8. The distributed power supply system for fish gathering lamp power supply according to claim 7, characterized in that the control output interfaces (304) of the inverter units (108) are connected in sequence through control interconnection lines (112) to be respectively connected to the master controller (106).
9. A distributed power supply system for fishing lamp power supplies according to claim 4, wherein the general controller (106) is provided with a display interface (401), a key interface (402) and a communication control interface (403), the display interface (401) is used for connecting with a display module, the key interface (402) is used for connecting with a switch key, and the communication control interface (403) is used for connecting with the AC/DC high-voltage power supply (103) and the inverter unit (108).
10. The distributed power supply system for fishing lamp power supplies according to claim 1, wherein the number of inverter units (108) connected to each AC/DC high voltage power supply (103) satisfies the following condition: the number n of the inversion units (108) is less than the power of each AC/DC high-voltage power supply (103)/the power of each fish gathering lamp (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153474.9A CN110730528B (en) | 2019-11-22 | 2019-11-22 | Distributed power supply system for fish gathering lamp power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153474.9A CN110730528B (en) | 2019-11-22 | 2019-11-22 | Distributed power supply system for fish gathering lamp power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110730528A true CN110730528A (en) | 2020-01-24 |
| CN110730528B CN110730528B (en) | 2023-09-29 |
Family
ID=69224662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911153474.9A Active CN110730528B (en) | 2019-11-22 | 2019-11-22 | Distributed power supply system for fish gathering lamp power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110730528B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI819637B (en) * | 2022-06-02 | 2023-10-21 | 台達電子工業股份有限公司 | Led switching system and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005112245A1 (en) * | 2004-05-17 | 2005-11-24 | Sony Corporation | Power supply device and display device |
| JP2009158114A (en) * | 2007-12-25 | 2009-07-16 | Panasonic Electric Works Co Ltd | Light source lighting device, illumination fixture, and illumination system |
| WO2012058904A1 (en) * | 2010-11-02 | 2012-05-10 | 华南理工大学 | Centralized dc power supply system for leds and operation method thereof |
| CN204795813U (en) * | 2015-07-07 | 2015-11-18 | 珠海市瑞光照明电器有限公司 | Collection fishing lamp is with digital ballast and collection fishing lamp system |
| CN205793498U (en) * | 2015-10-27 | 2016-12-07 | 杭州中恒派威电源有限公司 | A kind of HVDC centrally connected power supply and control system |
| CN206212350U (en) * | 2016-11-21 | 2017-05-31 | 广州视源电子科技股份有限公司 | A kind of fish gathering lamp control system |
| CN108282946A (en) * | 2018-01-29 | 2018-07-13 | 长沙星联电力自动化技术有限公司 | Fish gathering lamp control system and fish gathering lamp system |
-
2019
- 2019-11-22 CN CN201911153474.9A patent/CN110730528B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005112245A1 (en) * | 2004-05-17 | 2005-11-24 | Sony Corporation | Power supply device and display device |
| JP2009158114A (en) * | 2007-12-25 | 2009-07-16 | Panasonic Electric Works Co Ltd | Light source lighting device, illumination fixture, and illumination system |
| WO2012058904A1 (en) * | 2010-11-02 | 2012-05-10 | 华南理工大学 | Centralized dc power supply system for leds and operation method thereof |
| CN204795813U (en) * | 2015-07-07 | 2015-11-18 | 珠海市瑞光照明电器有限公司 | Collection fishing lamp is with digital ballast and collection fishing lamp system |
| CN205793498U (en) * | 2015-10-27 | 2016-12-07 | 杭州中恒派威电源有限公司 | A kind of HVDC centrally connected power supply and control system |
| CN206212350U (en) * | 2016-11-21 | 2017-05-31 | 广州视源电子科技股份有限公司 | A kind of fish gathering lamp control system |
| CN108282946A (en) * | 2018-01-29 | 2018-07-13 | 长沙星联电力自动化技术有限公司 | Fish gathering lamp control system and fish gathering lamp system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI819637B (en) * | 2022-06-02 | 2023-10-21 | 台達電子工業股份有限公司 | Led switching system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110730528B (en) | 2023-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2009118599A (en) | LIGHTING INSTRUMENTS ON THE BASIS OF LIGHT-EMISSING DIODES, SUITABLE FOR WORKING IN THE NETWORK, AND WAYS OF THEIR POWER AND CONTROL THEM | |
| US9775214B2 (en) | Battery backup system for LED luminaire | |
| JP7097645B2 (en) | Chain flash system | |
| CN110730528A (en) | Distributed power supply system for fish gathering lamp power supply | |
| JP2022169659A (en) | Chained flashlamp system | |
| CN211352494U (en) | Distributed power supply system of fish gathering lamp power supply | |
| CN204962525U (en) | A attracting device that is used for boats and ships and reducible windage | |
| CN202634798U (en) | Single lamp networking energy saving control terminal | |
| CN210112332U (en) | Passenger train LED lighting system device | |
| EP3697178A1 (en) | Control method for signal transmission through voltage boosting, and application circuit therefor | |
| CN104132316A (en) | LED light source for industrial detection | |
| CN205681675U (en) | Fire fighting lamp control system | |
| CN211352530U (en) | Take centralized power supply ware of time switch function | |
| CN111683434A (en) | LED lamp remote transmission system | |
| CN203273559U (en) | Integrated double-power-source LED anti-theft henhouse lamp | |
| CN205877741U (en) | Many banks LED lamps and lanterns | |
| CN101614354A (en) | LED car lighting system | |
| US20190186723A1 (en) | Led light string control system and method | |
| CN218416752U (en) | LED cultivation illuminating lamp control system | |
| CN110545600A (en) | setting system of color temperature adjustable light source device | |
| CN209638882U (en) | A kind of panel light lamps and lanterns | |
| CN108200688B (en) | A kind of poultry cultivation lighting system | |
| CN213755046U (en) | Lighting system capable of reducing indoor electromagnetic radiation | |
| RU153592U1 (en) | GENERAL LED LUMINAIRES | |
| CN210088696U (en) | Integrative lamp of solar energy control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xiangfeng Inventor after: Ling Feng Inventor after: Pan Jiadong Inventor after: Li Daguang Inventor before: Pan Jiadong Inventor before: Li Daguang Inventor before: Li Xiangfeng |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |