CN104566031A - Lamp and mounting method thereof - Google Patents
Lamp and mounting method thereof Download PDFInfo
- Publication number
- CN104566031A CN104566031A CN201410838276.7A CN201410838276A CN104566031A CN 104566031 A CN104566031 A CN 104566031A CN 201410838276 A CN201410838276 A CN 201410838276A CN 104566031 A CN104566031 A CN 104566031A
- Authority
- CN
- China
- Prior art keywords
- illuminating lamp
- pedestal
- installation portion
- led module
- lamp
- 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.)
- Pending
Links
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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
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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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
-
- 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]
Landscapes
- 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)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses a lamp. The lamp comprises a base, a mounting portion, LED modules and a circuit module, wherein the mounting portion is arranged on the front side of the base, protrudes outwards relative to the base and comprises at least two mounting sides, the mounting surfaces are inclined relative to the base and provided with included angles, the LED modules are mounted on the mounting surfaces, and the circuit module is arranged in the mounting portion and connected with the LED modules and used for supplying power to the LED modules for lighting. By adopting the mounting surfaces with LED light sources, LED light can be irradiated in different directions, lighting strength is high and uniform, and the lamp has the advantages of low irradiation energy consumption, long service life, convenience in mounting, maintenance and replacement and the like. The invention further provides a mounting method of the lamp.
Description
Technical field
The present invention relates to lighting, especially design a kind of illuminating lamp for elevator hoistways intraoral illumination and installation method thereof.
Background technology
Attention rate at present for elevator safety performance improves day by day, and therefore the regular maintenance of elevator and maintenance activity also receive more attention.Elevator is installed and usually without natural lighting and narrow space in the elevator hoistways run, but the structure of the current layout general for elevator hoistways intraoral illumination lamp and light source itself all fails the requirement that reaches completely for illumination brightness and scope.
Illuminating lamp common in elevator hoistways is incandescent lamp or electricity-saving lamp.Incandescent lamp due to defects such as power consumption are high, at present from 1 day October in 2012 according to watt level progressively nonimportation and sell ordinary lighting incandescent lamp stage by stage.Electricity-saving lamp relative to incandescent lamp more environmental protection and energy saving, due to electricity-saving lamp be glassware, easily broken, not easily transport and install, electricity-saving lamp easily damages, and the life-span is short, although but electricity-saving lamp is energy-conservation not to save money.As a rule, electricity-saving lamp is arranged on the plane wall of elevator hoistways, the light characteristics of electricity-saving lamp light source is see Fig. 7 (a) and Fig. 7 (b), what thrown light on by electricity-saving lamp is on the low side to the brightness in sidewalls and oblique corner, cannot reach the requirement for illumination brightness and scope.
Along with popularizing of LED, LED obtains and applies widely in lighting field.The energy consumption of light source white light LEDs is only 1/10 of incandescent lamp, 1/4 of electricity-saving lamp, and service life can reach more than 100,000 hours.LED is planar light source, and its light characteristics is see Fig. 8 (a) and Fig. 8 (b).Usually using LED as elevator hoistways intraoral illumination light source time, LED is installed on plane wall, LED light source the intensity of illumination suffered by just right metope higher, but the brightness in its both sides metope and oblique corner is on the low side, the structure of existing LED illumination lamp and installation site still cannot reach intensity of illumination and the illumination range requirement of elevator hoistways inside.
Structure in order to the installation and light source that overcome illuminating lamp in above-mentioned prior art cannot reach the defect for the requirement of illumination brightness and scope in elevator hoistways, proposes a kind of illuminating lamp and installation method thereof.
Summary of the invention
The present invention proposes a kind of illuminating lamp, comprising: pedestal; Installation portion, it is arranged on the front of described pedestal; LED module and circuit module; Wherein, described installation portion is outwardly relative to described pedestal, described installation portion comprises at least two installed surfaces, described installed surface is all relative to described basement tilt, form angle between described installed surface, each described installed surface is provided with described LED module, it is inner that described circuit module is arranged on described installation portion, it is connected with described LED module, for throwing light on to described LED module for electric forming.
In the described illuminating lamp that the present invention proposes, described installation portion is chain of mountains shape structure, and described installation portion comprises 4 installed surfaces, and described installed surface becomes matrix pattern to arrange, and described installed surface tilts to 4 directions relative to described pedestal respectively.
In the described illuminating lamp that the present invention proposes, the angle angle formed between two installed surfaces that left and right is adjacent is 160-175 degree, the angle angle 120-140 degree formed between two neighbouring installed surfaces.
In the described illuminating lamp that the present invention proposes, described circuit module divides two-way to power respectively to described LED module.
In the described illuminating lamp that the present invention proposes, the LED quantity that described LED module distributes is 1-30.
In the described illuminating lamp that the present invention proposes, be provided with fixed mount further, described fixed mount is connected with described pedestal, installs metope for being fixed on by described pedestal.
In the described illuminating lamp that the present invention proposes, the both sides of described fixed mount are respectively arranged with fixed part, are fixed on installation metope by described pedestal by described fixed part.
In the described illuminating lamp that the present invention proposes, described susceptor edges or the back side are provided with cable leading groove, and described cable leading groove is communicated with the inside of described installation portion, utilize cable to be connected with described circuit module by described cable leading groove.
In the described illuminating lamp that the present invention proposes, under being fixed on the state of installing metope at described pedestal, described cable leading groove is with respect to the horizontal plane downward-sloping.
In the described illuminating lamp that the present invention proposes, comprise the protection lampshade being fixed on described pedestal front further, described pedestal is provided with the holding section for fixing described protection lampshade along edge, described protection lampshade and described holding section cooperatively interact, for sealing described installation portion and described LED module.
The invention allows for a kind of installation method of illuminating lamp, be installed in elevator hoistways by described illuminating lamp, the vertical range between adjacent two illuminating lamps is 5-7 rice.
Beneficial effect of the present invention is:
Illuminating lamp of the present invention adopts the design of multiple LED light source installed surface, the light of LED is projected in elevator hoistways with different directions, illumination intensity is high and even, dim narrow and small hoistway can be illuminated, reach the requirement for illumination brightness and scope, and there is advantages such as irradiating energy consumption is low, long service life, easy for installation, examine and replace is convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of illuminating lamp of the present invention.
Fig. 2 is the front view of illuminating lamp of the present invention.
Fig. 3 is the left view of illuminating lamp of the present invention.
Fig. 4 is the rearview of pedestal in the present invention.
Fig. 5 is the schematic diagram of fixed mount in the present invention.
Fig. 6 is the schematic diagram of illuminating lamp in an embodiment.
Fig. 7 a is the pseudo-chromatic graph of electricity-saving lamp light source; Fig. 7 b is waiting according to figure of electricity-saving lamp light source.
Fig. 8 a is the pseudo-chromatic graph of LED light source; Fig. 8 b is waiting according to figure of LED light source.
Detailed description of the invention
In conjunction with following specific embodiments and the drawings, the present invention is described in further detail.Implement process of the present invention, condition, experimental technique etc., except the following content mentioned specially, be universal knowledege and the common practise of this area, the present invention is not particularly limited content.
Fig. 1 display be the structure chart of illuminating lamp of the present invention, it comprises pedestal 1, installation portion 3, LED module 6 and circuit module 5.Installation portion 3 is arranged on the front of pedestal 1, it is outwardly relative to pedestal 1, installation portion 3 comprises at least two installed surfaces 31, installed surface 31 all tilts relative to pedestal 1, form angle between installed surface 31, installed surface 31 is provided with LED module 6, it is inner that circuit module 5 is arranged on installation portion 3, it is connected with LED module 6, for powering to LED module 6.LED module 6 outwards throws light on different angles from installed surface 31.Illuminating lamp of the present invention is applicable to various illumination occasion, is particularly useful for throwing light on to well enclosure in elevator hoistways.Actual installation is in elevator hoistways, and between two neighbouring illuminating lamps, interval can be set to 5-7 rice, can adjust according to actual installation situation.
Pedestal 1 is made up of the mould of preformed installation portion 3, and utilize mould to pass through to cast or squeeze the techniques such as forging and make, pedestal 1 is one-body molded with installation portion 3.The material of pedestal 1 is the metals such as aluminium, and be beneficial to the heat radiation of illuminating lamp, its material also can adjust according to actual installation situation, or increases radiating effect by increasing the common approach such as fin.
In this specific embodiment, installation portion 3 is the chain of mountains shape structure that middle high surrounding is low, and the center height of installation portion 3 is the highest, and 4 installed surfaces tilt respectively to 4 different directions, and the periphery of installation portion 3 is highly minimum.This installation portion 3 comprises at least two installed surfaces 31, its quantity can adjust according to actual installation, such as select 4,6,8 or more installed surfaces 31 to such an extent as to installation portion 3 forms one is similar to hemisphere, and on each installed surface 31, a LED module 6 is installed, because installed surface 31 tilts to different directions, LED module 6 therefore mounted thereto also can throw light on respectively to different directions.
In preferred embodiment of the present invention, the surface of installation portion 3 forms 4 installed surfaces 31 tilted relative to pedestal 1, each installed surface 31 is respectively arranged with a LED module 6, when on the wall that the back side of pedestal 1 is installed on elevator hoistways, LED module 6 is respectively to 4 directional lightings, thus this illuminating lamp can be illuminated at least reach hoistway within the scope of 3.5 meters up and down, and due to the setting of different direction of illumination, therefore at this up and down in the scope of totally 7 meters, uniform light, solve LED the brightness of illumination suffered by just right metope higher, it is upper and lower, the technical problem that the brightness in both sides metope and oblique corner is on the low side.Specifically consult Fig. 2 and Fig. 3, installed surface 31 one-tenth matrix pattern arranges, and the angle α angle formed between two installed surfaces 31 that left and right is adjacent is 160-175 degree, the angle β angle 120-140 degree formed between two neighbouring installed surfaces 31.Be wherein 170 degree with the angle of angle α being good, be 130 degree is good with the angle of angle β, and above-mentioned angle can adjust according to actual installation situation, by adjusting the direction of illumination of illuminating lamp, thus adjustment range of exposures.
Because the lighting demand of vertical direction in elevator hoistways is higher than the lighting demand of horizontal direction, propose a kind of power supply mode of circuit module 5 in the preferred embodiment, in order to the lighting demand that this illuminating lamp can be made when local damage occurs circuit module 5 still to meet vertical direction as far as possible.For the situation of above-mentioned 4 installed surfaces 31, circuit module 5 is divided into two road direction LED modules 6 to power, one road power supply is powered to the LED module 6 on two installed surfaces 31 being up and down positioned at left side, and another road power supply is powered to the LED module 6 on two installed surfaces 31 being up and down positioned at right side.Such as, one road power supply of circuit module 5 is connected with two LED modules 6 in left side respectively by wire, connected by wire between two LED modules 6, thus circuit module 5 and two LED modules 6 are connected in series, this road power supply can two LED modules 6 to the left be powered simultaneously.This power supply mode can guarantee that when a certain road power supply in circuit module 5 damages, the LED module 6 be positioned on two installed surfaces 31 up and down on left side or right side still can form illumination in vertical direction, ensures that light fixture can provide illumination in vertical direction.When the quantity of installed surface 31 be 6,8 or more time, circuit module 5, depending on the quantity of installed surface 31, can be divided into 3 tunnels, 4 tunnels or more power supply circuits to power respectively to two installed surfaces 31 being up and down positioned at same vertical plane.
Consult Fig. 4, the edge of pedestal 1 or the back side are provided with cable leading groove 4, and cable leading groove 4 is communicated with the inside of installation portion 3, and the inside of installation portion 3 is provided with circuit module 5.Under the state that pedestal 1 is installed on metope or corner, cable leading groove 4 with respect to the horizontal plane dips down and tiltedly arranges, and water can be taken advantage of a situation outflow, avoid the water in cable leading groove 4 to stockpile.Circuit module 5 is provided with cable interface and more than one supply module, cable interface is connected with cable and supply module, and each supply module is connected with LED module 6 powers to it.Wherein, what cable interface was selected is air switch.
Installed surface 31 is respectively arranged with a LED module 6, and cable is electrically connected through cable leading groove 4 and circuit module 5, and circuit module 5 is connected with LED module 6, thus powers to LED module 6.Each LED module 6 is distributed with 1-30 LED, the quantity of LED can regulate according to actual installation situation and cost regulation and control etc., draw through actual tests and each LED module 6 is provided with 20 LED, when its lumen number is 18 ~ 22, preferably illuminating effect can be reached.
Pedestal 1 is provided with multiple through hole, screw can be utilized to pass through hole and be fixed on metope.Further, the back side of pedestal 1 is provided with fixed mount 2.Pedestal 1 can be arranged on smooth metope by the fixed mount 2 in the present invention, but can produce certain heat due to LED in luminescence process, and pedestal 1 is directly arranged at metope and is unfavorable for dispelling the heat in its back side.In present pre-ferred embodiments, the both sides of this fixed mount 2 are respectively arranged with fixed part 21, are fixed on the body of wall of both sides by modes such as buckle, bolt or welding by fixed part 21, thus are fixed on the wall by pedestal 1.The extended line of fixed part 21 can shape form an angle (depending on mounting condition), and it matches with the angle in corner.Utilize the modes such as buckle, bolt or welding to be fixed on the both sides body of wall in corner by fixed part 21, thus pedestal 1 is fixed on corner.As shown in Figure 5, the angle that the extended line of fixed part 21 is formed is 90 degree, thus cooperatively interacts with the corner of elevator hoistways.In fixed part 21, squeeze into screw is fixed in the corner of elevator hoistways by pedestal 1, forms the triangle space that is beneficial to ventilation and heat between pedestal 1 and corner, thus improves the heat-sinking capability of illuminating lamp.
In present pre-ferred embodiments, be provided with protection lampshade 7 further at pedestal 1 upper surface, pedestal 1 is provided with the holding section 8 for fixed protection lampshade 7 along edge.As shown in Figure 6, protection lampshade 7 cooperatively interacts with holding section 8, is provided for the installation portion 3 in protection lampshade 7 and LED module 6 maintenance sealing, prevents rainwater and dust etc. from entering illuminating lamp inside.
Compared with prior art, illuminating lamp of the present invention is under Same Efficieney light conditions, and irradiating angle is more extensive, and hoistway interior illumination intensity is even, and range of exposures expands, and heat radiation is good simultaneously, is convenient to maintain and replace.
Protection content of the present invention is not limited to above embodiment.Under the spirit and scope not deviating from inventive concept, the change that those skilled in the art can expect and advantage are all included in the present invention, and are protection domain with appending claims.
Claims (11)
1. an illuminating lamp, is characterized in that, comprising:
Pedestal (1);
Installation portion (3), it is arranged on the front of described pedestal (1);
LED module (6) and circuit module (5);
Wherein, described installation portion (3) is outwardly relative to described pedestal (1), described installation portion (3) comprises at least two installed surfaces (31), described installed surface (31) all tilts relative to described pedestal (1), described installed surface forms angle between (31), each described installed surface (31) is provided with described LED module (6), it is inner that described circuit module (5) is arranged on described installation portion (3), it is connected with described LED module (6), for throwing light on to described LED module (6) for electric forming.
2. illuminating lamp as claimed in claim 1, it is characterized in that, described installation portion (3) is chain of mountains shape structure, described installation portion (3) comprises 4 installed surfaces (31), described installed surface (31) becomes matrix pattern arrangement, and described installed surface (31) tilts to 4 directions relative to described pedestal (1) respectively.
3. illuminating lamp as claimed in claim 2, it is characterized in that, the angle angle formed between two installed surfaces (31) that left and right is adjacent is 160-175 degree, the angle angle 120-140 degree formed between two neighbouring installed surfaces (31).
4. illuminating lamp as claimed in claim 2, is characterized in that, described circuit module (5) point two-way is powered respectively to described LED module (6).
5. illuminating lamp as claimed in claim 1, is characterized in that, the LED quantity of the upper distribution of described LED module (6) is 1-30.
6. illuminating lamp as claimed in claim 1, it is characterized in that, be provided with fixed mount (2) further, described fixed mount (2) is connected with described pedestal (1), installs metope for being fixed on by described pedestal (1).
7. illuminating lamp as claimed in claim 6, it is characterized in that, the both sides of described fixed mount (2) are respectively arranged with fixed part (21), are fixed on installation metope by described pedestal (1) by described fixed part (21).
8. the illuminating lamp as described in any one of claim 1 ~ 7, it is characterized in that, described pedestal (1) edge or the back side are provided with cable leading groove (4), described cable leading groove (4) is communicated with the inside of described installation portion (31), utilizes cable to be connected with described circuit module (5) by described cable leading groove (4).
9. illuminating lamp as claimed in claim 8, is characterized in that, under being fixed on the state of installing metope at described pedestal (1), described cable leading groove (4) is with respect to the horizontal plane downward-sloping.
10. the illuminating lamp as described in any one of claim 1 ~ 7, it is characterized in that, comprise the protection lampshade (7) being fixed on described pedestal (1) front further, described pedestal (1) is provided with the holding section (8) for fixing described protection lampshade (7) along edge, described protection lampshade (7) and described holding section (8) cooperatively interact, for sealing described installation portion (3) and described LED module (6).
The installation method of 11. 1 kinds of illuminating lamps, is characterized in that, is installed in elevator hoistways by the illuminating lamp described in any one of claim 1-10, and the vertical range between adjacent two illuminating lamps is 5-7 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838276.7A CN104566031A (en) | 2014-12-25 | 2014-12-25 | Lamp and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838276.7A CN104566031A (en) | 2014-12-25 | 2014-12-25 | Lamp and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104566031A true CN104566031A (en) | 2015-04-29 |
Family
ID=53082745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410838276.7A Pending CN104566031A (en) | 2014-12-25 | 2014-12-25 | Lamp and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104566031A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005457A (en) * | 2016-05-06 | 2016-10-12 | 哈尔滨飞机工业集团有限责任公司 | Anti-collision lamp installation support |
| WO2017120705A1 (en) * | 2016-01-12 | 2017-07-20 | 林璧光 | Led illumination lamp for shooting with light-emitting portion capable of being assembled by means of module |
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| CN202719491U (en) * | 2012-06-28 | 2013-02-06 | 茂鑫光电科技（上海）有限公司 | LED (light-emitting diode) street lamp capable of easily dissipating heat |
| CN204420630U (en) * | 2014-12-25 | 2015-06-24 | 上海振晨电气有限公司 | A kind of illuminating lamp |
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| CN201162971Y (en) * | 2007-12-28 | 2008-12-10 | 厦门市信达光电科技有限公司 | High-power LED road lamp |
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| WO2009116705A1 (en) * | 2008-03-19 | 2009-09-24 | Luxpia Co., Ltd. | Illuminating apparatus using light emitting diode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017120705A1 (en) * | 2016-01-12 | 2017-07-20 | 林璧光 | Led illumination lamp for shooting with light-emitting portion capable of being assembled by means of module |
| CN106005457A (en) * | 2016-05-06 | 2016-10-12 | 哈尔滨飞机工业集团有限责任公司 | Anti-collision lamp installation support |
| CN106005457B (en) * | 2016-05-06 | 2018-04-10 | 哈尔滨飞机工业集团有限责任公司 | A kind of anticollision beacon mounting bracket |
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Application publication date: 20150429 |