CN111365694B - LED illumination lamp holder based on novel heat radiation structure - Google Patents
LED illumination lamp holder based on novel heat radiation structure Download PDFInfo
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- CN111365694B CN111365694B CN202010167191.6A CN202010167191A CN111365694B CN 111365694 B CN111365694 B CN 111365694B CN 202010167191 A CN202010167191 A CN 202010167191A CN 111365694 B CN111365694 B CN 111365694B
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- movable plate
- heat dissipation
- fixed
- cylindrical part
- state
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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
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
-
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED illuminating lamp holder based on a novel heat dissipation structure, which comprises a lamp holder support, a shell and a top cover, wherein a heat dissipation block is provided with a plurality of heat dissipation fins; casing top still is fixed with T type mount, air pump and fixed plate, the top cap is used for hiding T type mount, air pump and fixed plate, radiating block department has movable unit, movable unit is the broach form, includes movable plate and a plurality of tooth portion that are fixed in movable plate and are parallel to each other, and a plurality of radiating fin are parallel to each other, the quantity of tooth portion is more one than radiating fin's quantity, has a radiating fin between two adjacent tooth portions, movable plate has the inner chamber, every tooth portion department be fixed with one with the air cock of inner chamber intercommunication, be connected with flexible unit between T type mount and the movable plate. The lighting lamp cap can clean the radiating fins and dry accumulated water of the lamp cap.
Description
Technical Field
The invention relates to the field of street lamps, in particular to an LED lighting lamp holder based on a novel heat dissipation structure.
Background
The street lamp is one of the most common parts of urban illumination, is mainly distributed on two sides of urban and rural roads, and along with the progress of LED technology, most of the existing street lamps adopt LED illumination, because the LED illumination has higher calorific value, the radiating fins of a plurality of street lamps are exposed, and because the radiating fins are in a plurality of sheets and are parallel to each other, bird droppings, sundries and the like are mixed between some fins along with the increase of service time, and the gaps among the fins are easily blocked for a long time, so that the radiating effect is poor.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides an LED lighting lamp cap based on a novel heat dissipation structure.
The technical scheme is as follows: an LED lighting lamp holder comprises a lamp holder support, a shell and a top cover arranged on the shell, wherein the top cover is provided with an air inlet, a circuit board, a controller and a heat dissipation block are arranged in the shell, a plurality of LED lamp beads are arranged at the circuit board, and the heat dissipation block is provided with a plurality of heat dissipation fins; the casing top still is fixed with T type mount, air pump and fixed plate, the top cap is used for hiding T type mount, air pump and fixed plate, radiating block department has movable unit, movable unit is the broach form, including movable plate and a plurality of tooth portion that are fixed in movable plate and parallel to each other, a plurality of radiating fin are parallel to each other, the quantity of tooth portion is one more than radiating fin's quantity, has a radiating fin between two adjacent tooth portions, movable plate has the inner chamber, every tooth portion department is fixed with an air cock that communicates with the inner chamber, be connected with flexible unit between T type mount and the movable plate, flexible unit includes a plurality of nested hollow cylindric portions in proper order, the cylindric portion that is closest to T type mount is connected with T type mount fixed connection, this cylindric portion passes fixed plate and fixed plate fixed connection, the inner space of the cylinder part is connected with an air pump through a pipeline, the cylinder closest to the movable plate is fixedly connected with the movable plate, the inner space of the cylinder closest to the movable plate is communicated with the inner cavity of the movable plate, a limiting ring is arranged at the end part of the inserted cylinder between two adjacent cylinders, and a sliding ring is fixed at the end part of the other cylinder part; a magnet is fixed to a side of the fixed plate facing the movable plate, and an iron-based circular cylindrical portion is fixed to a side of the movable plate facing the fixed plate, and the magnet is inserted into the circular cylindrical portion when the telescopic unit is in a shortest state.
Further, the magnet is cylindrical, and there are 2 magnets, 2 ring cylinder portion.
Furthermore, two T-shaped guide rails are fixed to the top of the heat dissipation block, the bottom ends of the two tooth portions located on the two sides are respectively provided with a T-shaped through groove, and the T-shaped through grooves can be matched with the T-shaped guide rails to enable the movable plate to slide along the T-shaped guide rails.
Further, the nozzle is a vertical strip-shaped nozzle.
Further, the movable plate and the teeth are made of plastic, and the teeth are rectangular.
Further, the distance between the mutually facing surfaces of two adjacent heat radiating fins is D, and the wide part of the tooth part is smaller than D and larger than D-0.5 mm.
Furthermore, air inlets are formed in two sides of the top cover, and a row of air inlets are formed in each side of the top cover; the shell is internally provided with a temperature sensor, and the temperature sensor is connected with the controller.
Further, the telescopic unit comprises a first cylindrical part, a second cylindrical part, a third cylindrical part and a fourth cylindrical part in sequence, wherein the first cylindrical part is fixedly connected with the fixed plate, the fourth cylindrical part is fixedly connected with the movable plate, the second cylindrical part is inserted into the first cylindrical part, the third cylindrical part is inserted into the second cylindrical part, and the fourth cylindrical part is inserted into the third cylindrical part.
Further, between adjacent two cylindrical portions, the inner diameter of the inserted cylindrical portion is equal to the outer diameter of the slide ring of the other cylindrical portion.
Further, the controller is connected with the air pump, the controller is also connected with a wireless communication unit, and the controller can control the air pump to operate in a first state, a second state or a third state; when the telescopic unit is in the shortest state and the air pump works in the first state, the telescopic rod can be switched from the shortest state to the longest state; when the telescopic unit is in the shortest state and the air pump works in the second state, the length of the telescopic unit cannot be changed; when the air pump operates in the third state while the telescopic unit is in the longest state, the length of the telescopic unit can be switched from the longest state to the shortest state.
Further, a light-transmitting cover is fixed on the shell.
Further, the shell is provided with an opening through which the radiating block passes, and waterproof sealant is arranged between the opening and the radiating block.
Furthermore, waterproof sealant is arranged between the top cover and the fixing plate.
Furthermore, the air inlet of the top cover can be provided with a rain shade, so that the rain shading effect is further improved, and the internal water inlet is prevented. For example, a rain shield at each air inlet.
Has the advantages that: the street lamp is provided with the cleaning component, so that sundries among the fins can be cleaned, accumulated water among the fins and around the radiating block can be quickly dried, and auxiliary air cooling radiation can be performed when the temperature of the lamp holder is too high.
Drawings
FIG. 1 is a schematic view of a lamp head;
FIG. 2 is a schematic view of the lamp head with the top cover separated;
FIG. 3 is a schematic view of the lamp head when the telescopic unit is in the longest state;
FIG. 4 is a schematic view of the lamp head when the telescopic unit is in a variation state;
fig. 5 is a schematic view showing the connection of the telescopic rod unit and the internal structure of the movable plate.
Detailed Description
Reference numerals: 1, a shell; 2, a lamp holder bracket; 3, LED lamp beads; 4, a top cover; 4.1 air inlet holes; 5, a heat dissipation block; 5.1 heat dissipation fins; 5.2T-shaped guide rails; 6T-shaped fixing plates; 7, an air pump; 8, a telescopic unit; 8.1 first cylindrical part; 8.2 second cylindrical part; 8.3 a third cylindrical portion; 8.4 fourth cylindrical section; 8.5 a limit ring; 8.6 slip rings; 9 a movable plate; 9.1 inner cavity; 9.2 air tap; 9.3 tooth parts; 10 fixing the plate; 10.1 a magnet; 10.2 circular cylindrical part.
An LED lighting lamp holder comprises a lamp holder support 2, a shell 1 and a top cover 4 arranged on the shell 1, wherein the top cover is provided with an air inlet 4.1, a circuit board, a controller and a heat dissipation block 5 are arranged in the shell 4, a plurality of LED lamp beads 3 are arranged at the circuit board, and the heat dissipation block is provided with a plurality of heat dissipation fins 5.1; the casing top still is fixed with T type mount 6, air pump 7 and fixed plate 10, top cap 4 is used for hiding T type mount 6, air pump 7 and fixed plate 10, radiating block department has movable unit, movable unit is the pectination, including movable plate 9 and a plurality of tooth portion 9.3 that are fixed in movable plate 9 and are parallel to each other, a plurality of radiating fin are parallel to each other, tooth portion 9.3's quantity is one more than radiating fin's quantity, has a radiating fin between two adjacent tooth portion 9.3, movable plate 9 has inner chamber 9.1, every tooth portion 9.3 department is fixed with one with air cock 9.2 of inner chamber 9.1 intercommunication, be connected with flexible unit 8 between T type mount 6 and the movable plate, flexible unit 8 includes a plurality of nested hollow cylindric portion in proper order, the cylindric portion that is closest to T type mount 6 is fixedly connected with T type mount 6, the cylinder part penetrates through the fixed plate to be fixedly connected with the fixed plate, the inner space of the cylinder part is connected with an air pump 7 through a pipeline, the cylinder closest to the movable plate is fixedly connected with the movable plate, the inner space of the cylinder closest to the movable plate is communicated with the inner cavity of the movable plate, a limiting ring 8.5 is arranged at the end part of the inserted cylinder between the two adjacent cylinders, and a sliding ring 8.6 is fixed at the end part of the other cylinder part; the side of the fixed plate facing the movable plate is fixed with a magnet 10.1, the side of the movable plate facing the fixed plate is fixed with an iron annular cylindrical part 10.2, and when the telescopic unit is in the shortest state, the magnet 10.1 is inserted into the annular cylindrical part 10.2.
The magnet is cylindrical, the magnet has 2, the ring cylindricality portion has 2. Two T-shaped guide rails 5.2 are further fixed to the top of the radiating block, the bottom ends of the two tooth portions 9.3 located on the two sides are respectively provided with a T-shaped through groove, and the T-shaped through grooves can be matched with the T-shaped guide rails 5.2 to enable the movable plate to slide along the T-shaped guide rails. The nozzles 9.2 are vertical, strip-shaped nozzles. The movable plate 9 and the toothed section 9.3 are both made of plastic, the toothed section being rectangular. The distance between the mutually facing surfaces of two adjacent radiating fins is D, and the wide part of the tooth part is smaller than D and larger than D-0.5 mm. The two sides of the top cover are provided with air inlet holes, and each side is provided with a row of air inlet holes; the shell is internally provided with a temperature sensor, and the temperature sensor is connected with the controller. The telescopic unit comprises a first cylindrical part 8.1, a second cylindrical part 8.2, a third cylindrical part 8.3 and a fourth cylindrical part 8.4 in sequence, wherein the first cylindrical part 8.1 is fixedly connected with the fixed plate 10, the fourth cylindrical part 8.4 is fixedly connected with the movable plate 9, the second cylindrical part 8.2 is inserted into the first cylindrical part 8.1, the third cylindrical part 8.3 is inserted into the second cylindrical part 8.2, and the fourth cylindrical part 8.4 is inserted into the third cylindrical part 8.3. Between two adjacent cylindrical portions, the inner diameter of the inserted cylindrical portion is equal to the outer diameter of the slide ring of the other cylindrical portion.
The controller is connected with the air pump, the controller is also connected with a wireless communication unit, and the controller can control the air pump to operate in a first state, a second state or a third state; when the telescopic unit is in the shortest state and the air pump works in the first state, the telescopic rod can be switched from the shortest state to the longest state; when the telescopic unit is in the shortest state and the air pump works in the second state, the length of the telescopic unit cannot be changed; when the air pump operates in the third state while the telescopic unit is in the longest state, the length of the telescopic unit can be switched from the longest state to the shortest state. And a light-transmitting cover is fixed at the shell. The casing has the uncovered that is passed by the radiating block, waterproof sealed glue has between uncovered and the radiating block. And waterproof sealant is arranged between the top cover and the fixing plate. A rain shade can be further arranged at the air inlet of the top cover, so that the rain shade effect is further improved, and the internal water inflow is prevented.
The lamp cap disclosed by the invention is applicable to various types of street lamps as shown in the figure, is provided with a wireless communication unit, and can be used for carrying out remote intelligent control. As shown in the figure, due to the exposure of the heat dissipation block, along with the increase of the service time, some impurities can be clamped between the gaps of the heat dissipation fins, and sometimes bird droppings can fall between the fins of the heat dissipation fins, so that the heat dissipation effect is influenced by covering the heat dissipation fins. The lamp cap of the application has following two functions, 1) clearance function for the air pump is in first operating condition, thereby the telescoping unit lengthens, and the air current of air pump is more urgent this moment, and although some air current flows out through the air cock, the impact effect of air current to movable plate makes movable plate overcome the appeal of magnet and removes to the distance, can strike off bird excrement, debris at the in-process that removes, and also can sweep debris such as dust from very urgent air current of nozzle spun. When the telescopic unit reaches the maximum, the air pump can be switched to the third working state, so that the telescopic unit is shortened, and sundries are cleaned repeatedly. 2) In the drying mode, after rain, residual rainwater can be attached to the surfaces of the radiating fins for a long time, and long-time water accumulation can cause the interior of the shell to be damp and even damage a circuit. Can start dry mode, the air pump is in second operating condition to the air pump produces slower air current, and the air current slowly flows from the air cock department, but because the air current is slow, the impact force of air current to the movable plate is very little, thereby the appeal of magnet can't be overcome to the movable plate removes to the distant place, and the air current of slow outflow flows from between the radiating fin, thereby the evaporation of ponding with higher speed, thereby plays the purpose of dry radiating block. In addition, when the temperature of the shell is higher, the drying mode can be started, and slow airflow flows between the radiating fins to achieve the air cooling effect. The cleaning mode can be executed regularly, the drying mode can be executed after each rain, and the cleaning mode and the drying mode can be remotely controlled or automatically executed by programming programs in combination with the weather data of the Internet.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. The LED illuminating lamp cap based on the novel heat dissipation structure is characterized by comprising a lamp cap support, a shell and a top cover arranged on the shell, wherein the top cover is provided with an air inlet hole, a circuit board, a controller and a heat dissipation block are arranged in the shell, a plurality of LED lamp beads are arranged at the circuit board, and the heat dissipation block is provided with a plurality of heat dissipation fins; the casing top still is fixed with T type mount, air pump and fixed plate, the top cap is used for hiding T type mount, air pump and fixed plate, radiating block department has movable unit, movable unit is the broach form, including movable plate and a plurality of tooth portion that are fixed in movable plate and parallel to each other, a plurality of radiating fin are parallel to each other, the quantity of tooth portion is one more than radiating fin's quantity, has a radiating fin between two adjacent tooth portions, movable plate has the inner chamber, every tooth portion department is fixed with an air cock that communicates with the inner chamber, be connected with flexible unit between T type mount and the movable plate, flexible unit includes a plurality of nested hollow cylindric portions in proper order, the cylindric portion that is closest to T type mount is connected with T type mount fixed connection, this cylindric portion passes fixed plate and fixed plate fixed connection, the inner space of the cylinder part is connected with an air pump through a pipeline, the cylinder part closest to the movable plate is fixedly connected with the movable plate, the inner space of the cylinder part closest to the movable plate is communicated with the inner cavity of the movable plate, a limit ring is arranged at the end part of the inserted cylinder part between two adjacent cylinder parts, and a sliding ring is fixed at the end part of the other cylinder part; a magnet is fixed on the side surface of the fixed plate facing the movable plate, an iron circular cylindrical part is fixed on the side surface of the movable plate facing the fixed plate, and when the telescopic unit is in the shortest state, the magnet is inserted into the circular cylindrical part; the top of the heat dissipation block is also fixedly provided with two T-shaped guide rails, the bottom ends of the two tooth parts positioned on two sides are respectively provided with a T-shaped through groove, and the T-shaped through grooves can be matched with the T-shaped guide rails to enable the movable plate to slide along the T-shaped guide rails; the controller is connected with the air pump, the controller is also connected with a wireless communication unit, and the controller can control the air pump to operate in a first state, a second state or a third state; when the telescopic unit is in the shortest state and the air pump works in the first state, the telescopic rod can be switched from the shortest state to the longest state; when the telescopic unit is in the shortest state and the air pump works in the second state, the length of the telescopic unit cannot be changed; when the telescopic unit is in the longest state and the air pump works in the third state, the length of the telescopic unit can be switched from the longest state to the shortest state; the telescopic unit comprises a first cylindrical part, a second cylindrical part, a third cylindrical part and a fourth cylindrical part in sequence, wherein the first cylindrical part is fixedly connected with the fixed plate, the fourth cylindrical part is fixedly connected with the movable plate, the second cylindrical part is inserted into the first cylindrical part, the third cylindrical part is inserted into the second cylindrical part, and the fourth cylindrical part is inserted into the third cylindrical part; between two adjacent cylindrical portions, the inner diameter of the inserted cylindrical portion is equal to the outer diameter of the slide ring of the other cylindrical portion.
2. The LED lighting lamp head based on the novel heat dissipation structure as claimed in claim 1, wherein the magnets are cylindrical, the number of the magnets is 2, and the number of the circular cylindrical portions is 2.
3. The LED illuminating lamp head based on the novel heat dissipation structure as claimed in claim 1, wherein the air tap is a vertical strip-shaped air tap.
4. The LED lighting lamp cap based on the novel heat dissipation structure as claimed in claim 1, wherein the movable plate and the teeth are made of plastic, and the teeth are rectangular.
5. The LED lighting lamp head based on the novel heat dissipation structure as claimed in claim 4, wherein the distance between the mutually facing surfaces of two adjacent heat dissipation fins is D, and the wide part of the tooth part is smaller than D and larger than D-0.5 mm.
6. The LED lighting lamp head based on the novel heat dissipation structure as claimed in claim 1, wherein air inlets are formed on two sides of the top cover, and an air inlet row is formed on each side; the shell is internally provided with a temperature sensor, and the temperature sensor is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167191.6A CN111365694B (en) | 2020-03-11 | 2020-03-11 | LED illumination lamp holder based on novel heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167191.6A CN111365694B (en) | 2020-03-11 | 2020-03-11 | LED illumination lamp holder based on novel heat radiation structure |
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| Publication Number | Publication Date |
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| CN111365694A CN111365694A (en) | 2020-07-03 |
| CN111365694B true CN111365694B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010167191.6A Active CN111365694B (en) | 2020-03-11 | 2020-03-11 | LED illumination lamp holder based on novel heat radiation structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636140B (en) * | 2022-03-17 | 2023-11-17 | 江苏凯莱特灯业有限公司 | High-efficient integrated easy heat dissipation LED street lamp holder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011075913A1 (en) * | 2009-12-25 | 2011-06-30 | 深圳市邦贝尔电子有限公司 | Led street lamp radiator and ventilating self-cleaning modularized led street lamp |
| CN207674396U (en) * | 2017-11-30 | 2018-07-31 | 天津保晟隆科技发展有限公司 | A kind of integrated heat shifting heat-exchanger rig of LED illumination |
| CN208253288U (en) * | 2018-04-11 | 2018-12-18 | 郑雪娜 | LED spotlight |
| CN208804527U (en) * | 2018-08-24 | 2019-04-30 | 河南中平川仪电气有限公司 | A kind of explosion-proof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507357C (en) * | 2007-07-20 | 2009-07-01 | 东莞勤上光电股份有限公司 | LED road lamp |
-
2020
- 2020-03-11 CN CN202010167191.6A patent/CN111365694B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011075913A1 (en) * | 2009-12-25 | 2011-06-30 | 深圳市邦贝尔电子有限公司 | Led street lamp radiator and ventilating self-cleaning modularized led street lamp |
| CN207674396U (en) * | 2017-11-30 | 2018-07-31 | 天津保晟隆科技发展有限公司 | A kind of integrated heat shifting heat-exchanger rig of LED illumination |
| CN208253288U (en) * | 2018-04-11 | 2018-12-18 | 郑雪娜 | LED spotlight |
| CN208804527U (en) * | 2018-08-24 | 2019-04-30 | 河南中平川仪电气有限公司 | A kind of explosion-proof |
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| CN111365694A (en) | 2020-07-03 |
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Address after: 225600 Caoqiao Road, Tianshan Town, Gaoyou City, Yangzhou City, Jiangsu Province Applicant after: Jiangsu Shixin Electric Group Co.,Ltd. Address before: 225600 Caoqiao Road, Tianshan Town, Gaoyou City, Yangzhou City, Jiangsu Province Applicant before: JIANGSU SHIXIN LANDSCAPE LIGHTING Co.,Ltd. |
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