CN113932187B - Rotary warning lamp and design method thereof - Google Patents
Rotary warning lamp and design method thereof Download PDFInfo
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- CN113932187B CN113932187B CN202111250666.9A CN202111250666A CN113932187B CN 113932187 B CN113932187 B CN 113932187B CN 202111250666 A CN202111250666 A CN 202111250666A CN 113932187 B CN113932187 B CN 113932187B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 94
- 238000004880 explosion Methods 0.000 claims abstract description 6
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000013041 optical simulation Methods 0.000 description 2
- 102200015468 rs121912301 Human genes 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/06—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/06—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source
- F21S10/063—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source for providing a rotating light effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/06—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source
- F21S10/063—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source for providing a rotating light effect
- F21S10/066—Lighting devices or systems producing a varying lighting effect flashing, e.g. with rotating reflector or light source for providing a rotating light effect by selectively switching fixed light sources
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A rotary warning lamp comprises a lamp body and a plurality of optical modules arranged around the surface of the lamp body; the design method of the invention comprises the following steps: (1) regulatory light distribution requirements and flicker pattern analysis; (2) analyzing and selecting a suitable number of optical modules; (3) calculating optical parameters of the single optical module; (4) designing lens face data of a single optical module; (5) Simulating an optical system of a single optical module and analyzing light intensity distribution, and returning to the step (3) if the requirements are not met; (6) calculating the total energy of the whole optical system; (7) creating a whole optical system simulation analysis; (8) Performing explosion flash mode analysis, and returning to the step (3) if the requirements are not met; (9) And (3) analyzing the rotation mode, and returning to the step (3) if the rotation mode does not meet the requirement. The invention adopts a specific number of optical modules and distribution, selects a specific number of LEDs, and utilizes the free-form lens to distribute light, thereby designing the rotary warning lamp meeting the requirements of ECE related regulations.
Description
Technical Field
The invention relates to a warning lamp, in particular to a rotary warning lamp and a design method thereof.
Background
The LED rotary warning lamp comprises a base, a face mask and a radiator arranged on the base, wherein the radiator is of a regular octahedral columnar structure, each side surface on the radiator is a mounting surface, an LED substrate is arranged on the mounting surface, an LED chip is arranged on the LED substrate, and a lens component is arranged in front of the LED chip; the lens assembly consists of three lens groups which are arranged up, down and middle, and the lens groups are formed by connecting two plate hemi-ellipsoidal lenses end to end, and the incident surface of the lens groups is a plane; the lens group at the upper part and the lens group at the lower part are both inclined outwards. The rotary warning lamp lacks reasonable design and cannot really meet the requirements of ECE related regulations.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary warning lamp and a design method thereof, which can meet the requirements of ECE related regulations.
In order to solve the technical problems, the technical scheme of the invention is as follows: a rotary warning lamp comprises a lamp body and a plurality of optical modules arranged around the surface of the lamp body; the lamp body comprises an octagonal cylinder body, and the cylinder body is surrounded by eight installation plates with uniformly distributed circumferences; the LED lamp comprises a mounting plate, wherein the mounting plate is provided with a plurality of optical modules, the optical modules are arranged in a total, and are in one-to-one correspondence with the mounting plate, and each optical module comprises an LED light source arranged on the mounting plate and a lens group corresponding to the LED light source; the LED light source comprises a vertically arranged substrate and four LED chips arranged along the length direction of the substrate, the lens group is formed by arranging four free-form surface lenses, the free-form surface lenses are in one-to-one correspondence with the LED chips, and the light distribution areas of the free-form surface lenses are as follows: left and right angles of 27.5 degrees plus or minus 2.5 degrees, and up and down angles of 11 degrees plus or minus 2.5 degrees; in the rotation mode, eight optical modules, each of which is turned on in turn counter-clockwise in 60 ms.
The design method of the invention comprises the following steps:
(1) Regulatory light distribution requirements and flicker pattern analysis;
(2) Analyzing and selecting a proper number of optical modules;
(3) Calculating optical parameters of the single optical module;
(4) Lens face data of a single optical module is designed;
(5) Simulating an optical system of a single optical module and analyzing light intensity distribution, and returning to the step (3) if the requirements are not met;
(6) Calculating the total energy of the whole optical system;
(7) Creating a simulation analysis of the whole optical system;
(8) Performing explosion flash mode analysis, and returning to the step (3) if the requirements are not met;
(9) And (3) analyzing the rotation mode, and returning to the step (3) if the rotation mode does not meet the requirement.
As an improvement, in the step (1), according to the european regulation E/ECE/324 requirement, the defined warning light flickering mode requires:
On time Ton: the light intensity value is more than or equal to 1/10 of the peak light intensity Jm;
Off time Toff: a light intensity value of less than 1/100 of the peak light intensity Jm and not more than 10 cd;
Flicker frequency: f is more than or equal to 2.0 and less than or equal to 4.0;
Flashing on time: ton is less than or equal to 0.4/f.
As an improvement, in the step (2), the number of optical modules of the optical system is analyzed: eight groups of optical modules are selected, the light emitting angle of the optical modules is 45 degrees, the number of the optical modules which can be detected is two groups, f is 2.08Hz, ton is 120ms, and ton is less than or equal to 192ms, so that the requirements are met.
As an improvement, in the step (3), the light distribution area of the free-form surface lens of the optical module is: left and right angles of 27.5 degrees plus or minus 2.5 degrees, and up and down angles of 11 degrees plus or minus 2.5 degrees; the left and right edge lines of the light intensity graph are clear, and the light intensity graph is uniform and continuous in the horizontal direction.
As an improvement, in the step (4), using a mathematical tool or commercial optical design software, plano-convex free-form surface lens surface data is generated according to the requirements of light spot energy distribution and angle distribution: light intensity distribution angle in horizontal direction: 27, 12.5, -12.5, 27; light intensity distribution angle in vertical direction: -9.25, -4.25,4.25,9.25.
In the step (5), an LED light source, a free-form surface lens and a target field light intensity detector are created by using Lucidshape through optical software, and an optical simulation system is built for simulation.
In the step (6), calculating the total luminous flux of the optical system by using an annular spherical band method according to the light distribution requirement of ECE R65 regulation to obtain the luminous flux requirement of a single optical module, thereby formulating the number of LED light sources and the luminous flux of the LEDs and the LED driving current requirement of each optical module; the total luminous flux of the optical system of the single optical module is 240LM, four LEDs are needed for the quantity of 1.0W packaged LEDs, and the LED driving current is 260mA.
In the step (7), the optical software Ansys Speos is used for modeling the whole optical system, and after setting the correct parameters of the light source, the material and the detector, the simulated light intensity distribution diagram is simulated.
As an improvement, in the step (8), the determination of the flash mode: compared with ECE regulation requirements, the method meets the requirements of ECE R65T type warning lamps for explosion and flashing; in the step (9), assuming that the rotation mode is eight optical modules, each 480/8=60 ms is lighted anticlockwise in turn, and analyzing the light emitting angle of each optical module, and testing the light intensity at the 0-degree position and the 22.5-degree position, wherein the effective light intensity value of each test point must meet the light emitting light intensity requirement of the ECE R65 rotation mode; if the step (8) or the step (9) cannot meet the light distribution requirement of the ECE R65 at the same time, repeating the steps (4) to (9) until the design requirement is met.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts a specific number of optical modules and distribution, selects a specific number of LEDs, and utilizes the free-form lens to distribute light, thereby designing the rotary warning lamp meeting the requirements of ECE related regulations.
Drawings
Fig. 1 is a top view of a rotary warning light.
Fig. 2 is a side view of the rotary warning light.
FIG. 3 is a flow chart of a rotary warning light design.
Fig. 4 is a diagram showing a free-form surface lens surface type data design.
Fig. 5 is a free-form lens spot energy profile.
Fig. 6 is a graph showing the horizontal light intensity distribution of the free-form lens.
Fig. 7 is a graph of the vertical light intensity distribution of a free-form lens.
Fig. 8 is a light distribution diagram of a single optical module.
FIG. 9 is a graph showing the intensity profile of a single optical module.
The eight optical modules in fig. 10 are sequentially turned on in a timing diagram.
FIG. 11 is a graph showing the analysis of the light emission angle of each optical module.
Detailed Description
The invention is further described below with reference to the drawings.
As shown in fig. 1 and 2, a rotary warning lamp comprises an aluminum alloy lamp body and a plurality of optical modules arranged around the surface of the lamp body. The lamp body comprises an octagonal cylinder body, and the cylinder body is surrounded by eight installation plates with uniformly distributed circumferences; the LED lamp comprises a mounting plate, wherein the mounting plate is provided with a plurality of optical modules, the optical modules are arranged in a total, and are in one-to-one correspondence with the mounting plate, and each optical module comprises an LED light source arranged on the mounting plate and a lens group corresponding to the LED light source; the LED light source comprises a vertically arranged substrate and four LED chips arranged along the length direction of the substrate, the lens group is formed by arranging four free-form surface lenses, the free-form surface lenses are in one-to-one correspondence with the LED chips, and the light distribution areas of the free-form surface lenses are as follows: left and right angles of 27.5 degrees plus or minus 2.5 degrees, and up and down angles of 11 degrees plus or minus 2.5 degrees; in the rotation mode, eight optical modules, each of which is turned on in turn counter-clockwise in 60 ms.
As shown in fig. 3, the design method of the rotary warning lamp comprises the following steps:
(1) Regulatory light distribution requirements and flicker pattern analysis;
(2) Analyzing and selecting a proper number of optical modules;
(3) Calculating optical parameters of the single optical module;
(4) Lens face data of a single optical module is designed;
(5) Simulating an optical system of a single optical module and analyzing the light intensity distribution, and returning to the step (3) if the requirements are not met
(6) Calculating the total energy of the whole optical system;
(7) Creating a simulation analysis of the whole optical system;
(8) Performing explosion flash mode analysis, and returning to the step (3) if the requirements are not met;
(9) And (3) analyzing the rotation mode, and returning to the step (3) if the rotation mode does not meet the requirement.
1. In the step (1), according to the requirements of the flashing mode of the warning lamp defined in European regulations E/ECE/324/Rev.1/Add.64/Rev.2-E/ECE/TRANS/505/Rev.1/Add.64/Rev.2-Uniform provisions concerning the approval of special warning lamps for power-driven vehicles and their trailers:
On time Ton: the light intensity value is more than or equal to 1/10 of the peak light intensity Jm;
Off time Toff: a light intensity value of less than 1/100 of the peak light intensity Jm and not more than 10 cd;
Flicker frequency: f is more than or equal to 2.0 and less than or equal to 4.0;
Flashing on time: ton is less than or equal to 0.4/f.
Defined light distribution area and light distribution intensity distribution diagram:
2. In the step (2), a proper number of modules of the optical system is selected, and the legality of the flicker mode is analyzed:
3. in the step (3), according to the analysis result of the step (1), the light intensity distribution diagram after the optical design is 180 degrees (360 degrees in the horizontal direction), and uniformly emits light in the horizontal direction of 8 degrees (16 degrees in the vertical direction), and the vertical direction is as follows: a gradual light intensity distribution of I 8U or 8D LINE/IH LINE ≡0.7. According to the analysis of step (2), selecting an appropriate optical system using an optical system of 8 optical modules, which must satisfy the following characteristics: the left edge line and the right edge line of the light intensity graph are clear; the light intensity graph is uniform and continuous in the horizontal direction, obvious concave cannot exist, and the light distribution area of the optical lens is as follows in combination with the requirements: the left and right angles are 27.5 degrees plus or minus 2.5 degrees, and the upper and lower angles are 11 degrees plus or minus 2.5 degrees, so that a plano-convex lens based on a free curved surface is adopted.
4. As shown in fig. 4, in the step (4), plane-convex free-form surface lens surface data is generated according to the light spot energy distribution and angle distribution requirements by using a mathematical tool (Matlab or matheca) or commercial optical design software. Light intensity distribution angle in horizontal direction: 27, 12.5, -12.5, 27; light intensity distribution angle in vertical direction: -9.25, -4.25,4.25,9.25.
5. As shown in fig. 5 to 7, in the step (5), the optical software is used to create the LED light source, the free-form surface lens and the target field light intensity detector by Lucidshape, and an optical simulation system is built to perform simulation, and the result is as follows: a light intensity distribution curve in the horizontal direction, wherein the light intensity value of +/-25 degrees is more than or equal to 0.5x peak light intensity; the light intensity distribution curve in the vertical direction is that the light intensity value of +/-8 degrees is more than or equal to 0.7x peak light intensity.
6. In the step (6), the total luminous flux of the optical system is calculated by using an annular spherical band method according to the light distribution requirement of ECE R65 regulation, so as to obtain the luminous flux requirement of a single optical module, thereby formulating the number of LED light sources and the luminous flux of the LEDs and the LED driving current requirement of each optical module. The total luminous flux of the single-mode optical system is 240LM, and for a LENS amber LED (80 LM@350 mA) packaged by 1.0W 2835, the number of LEDs is 4, and the LED driving current is 260mA.
7. As shown in fig. 8 and 9, in the step (7), the optical software Ansys Speos models the whole optical system, and after setting the correct light source, material and detector parameters, the simulated light intensity distribution diagram is simulated.
8. In the step (8), determination of the flash mode: compared with ECE regulation requirements, the method meets the requirements of ECE R65T type warning lamps for explosion and flashing.
9. As shown in fig. 10 and 11, in the step (9), assuming that the rotation mode is eight optical modules, each 480/8=60 ms is lighted up anticlockwise in turn, and the analysis of the light emitting angle of each optical module, through the test of the light intensity at the 0 ° position and the 22.5 ° position, the effective light intensity value of each test point must meet the light emitting intensity requirement of the ECE R65 rotation mode.
10. If the step (8) or the step (9) cannot meet the light distribution requirement of the ECE R65 at the same time, repeating the steps (4) to (9) until the design requirement is met.
Claims (5)
1. The design method of a rotary warning light, the rotary warning light includes the lamp body and several optical modules set up around the surface of the lamp body; the method is characterized in that: the lamp body comprises an octagonal cylinder body, and the cylinder body is surrounded by eight installation plates with uniformly distributed circumferences; the LED lamp comprises a mounting plate, wherein the mounting plate is provided with a plurality of optical modules, the optical modules are arranged in a total, and are in one-to-one correspondence with the mounting plate, and each optical module comprises an LED light source arranged on the mounting plate and a lens group corresponding to the LED light source; the LED light source comprises a vertically arranged substrate and four LED chips arranged along the length direction of the substrate, the lens group is formed by arranging four free-form surface lenses, the free-form surface lenses are in one-to-one correspondence with the LED chips, and the light distribution areas of the free-form surface lenses are as follows: left and right angles of 27.5 degrees plus or minus 2.5 degrees, and up and down angles of 11 degrees plus or minus 2.5 degrees; in the rotation mode, eight optical modules are turned on in turn counter-clockwise for 60ms each;
The design method comprises the following steps:
(1) Regulatory light distribution requirements and flicker pattern analysis;
(2) Analyzing and selecting a proper number of optical modules;
(3) Calculating optical parameters of the single optical module;
(4) Lens face data of a single optical module is designed;
(5) Simulating an optical system of a single optical module and analyzing light intensity distribution, and returning to the step (3) if the requirements are not met;
(6) Calculating the total energy of the whole optical system;
(7) Creating a simulation analysis of the whole optical system;
(8) Performing explosion flash mode analysis, and returning to the step (3) if the requirements are not met;
(9) And (3) analyzing the rotation mode, and returning to the step (3) if the rotation mode does not meet the requirement.
2. The method for designing a rotary warning lamp according to claim 1, characterized in that: in the step (1), according to the European code E/ECE/324 requirement, the defined flickering mode of the warning lamp is required to:
On time Ton: the light intensity value is more than or equal to 1/10 of the peak light intensity Jm;
Off time Toff: a light intensity value of less than 1/100 of the peak light intensity Jm and not more than 10 cd;
Flicker frequency: f is more than or equal to 2.0 and less than or equal to 4.0;
Flashing on time: ton is less than or equal to 0.4/f.
3. The method for designing a rotary warning lamp according to claim 1, characterized in that: in the step (2), the number of optical modules of the optical system is analyzed: eight groups of optical modules are selected, the light emitting angle of the optical modules is 45 degrees, the number of the optical modules which can be detected is two groups, f is 2.08Hz, ton is 120ms, and ton is less than or equal to 192ms, so that the requirements are met.
4. The method for designing a rotary warning lamp according to claim 1, characterized in that: in the step (3), the light distribution area of the free-form surface lens of the optical module is: left and right angles of 27.5 degrees plus or minus 2.5 degrees, and up and down angles of 11 degrees plus or minus 2.5 degrees; the left and right edge lines of the light intensity graph are clear, and the light intensity graph is uniform and continuous in the horizontal direction.
5. The method for designing a rotary warning lamp according to claim 1, characterized in that: in the step (4), using a mathematical tool or commercial optical design software, generating plano-convex free-form surface lens surface data according to the requirements of light spot energy distribution and angle distribution: light intensity distribution angle in horizontal direction: 27, 12.5, -12.5, 27; light intensity distribution angle in vertical direction: -9.25, -4.25,4.25,9.25.
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| CN202111250666.9A CN113932187B (en) | 2021-10-26 | 2021-10-26 | Rotary warning lamp and design method thereof |
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| CN202111250666.9A CN113932187B (en) | 2021-10-26 | 2021-10-26 | Rotary warning lamp and design method thereof |
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| CN113932187B true CN113932187B (en) | 2024-06-04 |
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| CN115523460B (en) * | 2022-11-23 | 2023-03-21 | 泉州市匝道科技有限公司 | Building site that possesses warning function explodes flashing light |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637889Y (en) * | 2003-04-08 | 2004-09-01 | 王昌峰 | Rotary alarm lamp |
| CN202048381U (en) * | 2011-04-08 | 2011-11-23 | 王亚军 | Multifunctional mobile lighting device |
| CN203442529U (en) * | 2013-08-13 | 2014-02-19 | 广州市佛达信号设备有限公司 | LED alarm lamp having optical mode of rotating light |
| CN203442528U (en) * | 2013-08-13 | 2014-02-19 | 广州市佛达信号设备有限公司 | LED alarm lamp |
| CN103629601A (en) * | 2013-12-11 | 2014-03-12 | 陕西烽火佰鸿光电科技有限公司 | Design method for improving illumination of light-emitting diode (LED) street lamp |
| CN103765086A (en) * | 2011-09-01 | 2014-04-30 | 株式会社小糸制作所 | Automotive headlamp apparatus |
| CN204345401U (en) * | 2014-12-22 | 2015-05-20 | 广州市佛达信号设备有限公司 | A kind of LED rotary caution light |
| EP3470270A1 (en) * | 2017-10-16 | 2019-04-17 | SMR Patents S.à.r.l. | Logo lamp assembly |
| CN111931388A (en) * | 2020-09-27 | 2020-11-13 | 北京中设光环境科技研究院有限公司 | LED street lamp operation analysis system and method based on big data |
-
2021
- 2021-10-26 CN CN202111250666.9A patent/CN113932187B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637889Y (en) * | 2003-04-08 | 2004-09-01 | 王昌峰 | Rotary alarm lamp |
| CN202048381U (en) * | 2011-04-08 | 2011-11-23 | 王亚军 | Multifunctional mobile lighting device |
| CN103765086A (en) * | 2011-09-01 | 2014-04-30 | 株式会社小糸制作所 | Automotive headlamp apparatus |
| CN203442529U (en) * | 2013-08-13 | 2014-02-19 | 广州市佛达信号设备有限公司 | LED alarm lamp having optical mode of rotating light |
| CN203442528U (en) * | 2013-08-13 | 2014-02-19 | 广州市佛达信号设备有限公司 | LED alarm lamp |
| CN103629601A (en) * | 2013-12-11 | 2014-03-12 | 陕西烽火佰鸿光电科技有限公司 | Design method for improving illumination of light-emitting diode (LED) street lamp |
| CN204345401U (en) * | 2014-12-22 | 2015-05-20 | 广州市佛达信号设备有限公司 | A kind of LED rotary caution light |
| EP3470270A1 (en) * | 2017-10-16 | 2019-04-17 | SMR Patents S.à.r.l. | Logo lamp assembly |
| CN111931388A (en) * | 2020-09-27 | 2020-11-13 | 北京中设光环境科技研究院有限公司 | LED street lamp operation analysis system and method based on big data |
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| CN113932187A (en) | 2022-01-14 |
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