CN103000102A - Bridge navigating mark - Google Patents
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- CN103000102A CN103000102A CN2011102669384A CN201110266938A CN103000102A CN 103000102 A CN103000102 A CN 103000102A CN 2011102669384 A CN2011102669384 A CN 2011102669384A CN 201110266938 A CN201110266938 A CN 201110266938A CN 103000102 A CN103000102 A CN 103000102A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 238000010017 direct printing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 201000009310 astigmatism Diseases 0.000 description 1
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Abstract
The invention discloses a bridge navigating mark. The bridge navigating mark comprises a mark board body and a light-emitting component, wherein the light-emitting component is arranged on the surface of the mark board body, the mark board body comprises a frame and a plurality of air guide plates, air guide plates are parallel with one another and are arranged inside the frame, an included angle which is smaller than 90 degrees is formed by air guide plates and the horizontal face, the light-emitting component comprises an aluminium-based circuit board, a light-emitting diode (LED) heat-dissipating device, a high-power LED lamp and a light source controller, the LED heat-dissipating device is arranged on the aluminium-based circuit board, the high-power LED lamp is packaged inside the LED heat-dissipating device, and the light source controller is used for controlling the light intensity and the flash cycle of the high-power LED lamp. By the aid of the bridge navigating mark, mark display is not affected by sunlight reflection and lamplight transmission, the windward area is reduced, and the bridge navigating mark is good in wind resistance. A light source focuses the light intensity through a self-focusing collimating lens, and the scattering and the glaring of the light source can be greatly reduced. The light source controller can effectively control the light intensity and the flash cycle of the high-power LED lamp, so that the light intensity of a light-emitting body can be adjusted according to the observation distance, and the optimal displaying effect can be achieved. A groove is arranged on the outer wall of a cover body of the LED heat-dissipating device, so that the heat-dissipating area is increased, and the practicability is high.
Description
Technical field
The present invention relates to a kind of sign, relate in particular to a kind of bridge aids to navigation.
Background technology
Fast development along with national economy and traffic, it is more and more that the bridge in waters can navigate by water in China, the boats and ships dealing in navigation channel is also more and more frequent, before not obvious because of bridge navigable bridge opening position indicating mark will, cause occuring the major accident of Guangdong Jiujiang Bridge Ship-Bridge collision in 2007, cause personnel and heavy losses economically." China Seas can navigate by water waters bridge aids to navigation " national standard promulgates that in September, 2009 come into effect in February, 2010 for this reason, but requires the navigable waters bridge that aids to navigation must be installed, to guarantee bridge and navigation safety.
Aids to navigation generally is located at sea or field, and environmental facies are when abominable, and GB24418-2009 is defined as the profiling distance of bridge aids to navigation and is not less than 0.5 nautical mile, but considers that based on navigation safety the profiling distance of bridge aids to navigation is more far away better in theory.The distance of profiling distance is subject to sign size, sign cost, navigation channel landform and bridge structure, and regulation sign size among the GB24418-2009, therefore, how under the condition of appropriate mark size, in conjunction with sign cost and different structure bridge structure, making sign profiling as far as possible at a distance, is the most important properties of bridge aids to navigation.
At present, the LED lamp is high because of its light efficiency, and energy-conserving and environment-protective are confirmed to be the optimal selection of navigation mark modulator light source.LED is divided into two kinds of high-power and miniwatts according to single luminous intensity grade, and single 1W is following be low-power LED, is great power LED more than the 1W.Low-power LED is mainly used in LED display and short-range traffic show label, the little brightness of common low-power LED is less than the about 0.16LUX of 5000MCD(), because low-power LED chip package process restriction, the LED lighting angle is difficult to reach below 30 degree, light source directivity is poor, is only applicable to the indication of short distance label and advertising message and shows.Transform requirement according to IALA " navaid guide " relevant regulations and requirement and bridge aids to navigation, if the bridge aids to navigation will 3 nautical miles visual, light source luminescent intensity can not be less than 15cd.Therefore, if use common low-power LED lamp, must just can meet the requirements of the sign luminous intensity with close-packed lattice, yet the defective of close-packed lattice is that the distance between lamp and the lamp is very little, causes light source power to increase, light source scattering and dazzle are serious, indicate at a distance the resolution degradation.In addition, a lot of LED lamps optical attenuation after using half a year is more serious, even can produce the dead point, causes sign to show that light intensity and Luminescence Uniformity reduce, and therefore, the LED lamp of use is more, and failure rate is higher, safeguards more inconvenient.And the major defect of employing high-powered LED lamp is the heat dissipation problem of LED, but PCB natural heat dissipation and fan auxiliary heat dissipation are normally adopted at present heat radiation, and actual effect is also bad.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of simple in structure, and wind resistance, thermal diffusivity are good, can effectively increase the bridge aids to navigation of sign profiling distance in angular field of view.
In order to solve the problems of the technologies described above, the invention provides a kind of bridge aids to navigation, comprise signboard body and be located at the luminous component on described signboard body surface; Described signboard body comprises framework and is located at a plurality of wind deflectors that are parallel to each other in the described framework, and described wind deflector and surface level form an angle, and described angle is less than 90 °; Described luminous component comprises aluminum base circuit board, be located at LED heat abstractor on the described aluminum base circuit board, be packaged in the high-powered LED lamp in the described LED heat abstractor and be used for controlling the light source controller of described high-powered LED lamp light intensity and flash period.
As the improvement of such scheme, described wind deflector upper limb is bent to form flap, and formed angle is greater than 90 ° between described upper flap and wind deflector; Described wind deflector lower edge is bent to form lower flap portion, and formed angle is greater than 90 ° between described lower flap portion and wind deflector; Described lower flap portion and upper flap are parallel with described framework bottom surface.
As the improvement of such scheme, in the two adjacent described wind deflectors, place the bottom height of the described wind deflector of top to be less than or equal to the top height of the described wind deflector that places the below.
As the improvement of such scheme, described light source controller comprises: the light intensity adjustment control module that is used for controlling described high-powered LED lamp light intensity; Be used for controlling the periodic Control unit of described high-powered LED lamp flash period; Be used for compensating the attenuation compensation control module of described high-powered LED lamp light decay; Adjust control module, periodic Control unit and attenuation compensation control module with described light intensity and link to each other respectively, be used for driving described high-powered LED lamp and respond the driver element that described light intensity is adjusted control module, periodic Control unit and attenuation compensation control module.
As the improvement of such scheme, described LED heat abstractor comprises be used to the radiating shell that encapsulates described high-powered LED lamp and lid; Described lid is provided with through hole and is used for sealing the light transmission piece of described through hole.
As the improvement of such scheme, described lid outer wall is provided with groove; Also be provided be used to the O-ring seal that seals described radiating shell on the described lid.
As the improvement of such scheme, described radiating shell is provided with the self-focusing collimation lens that places described high-powered LED lamp top and the supporting seat that is used for supporting described self-focusing collimation lens; Described self-focusing collimation lens bottom is provided with cavity, and described high-powered LED lamp is embedded in the described cavity.
As the improvement of such scheme, described self-focusing collimation lens is inverted cone; The focusing angle of described self-focusing collimation lens is less than 10 °.
As the improvement of such scheme, described signboard body also comprises is located at the interior reinforcement for increasing described framework stability of described framework.
Implement the present invention, has following beneficial effect: according to the angle of wind deflector and surface level on the wind resistance requirement setting signboard body of locality, gap between adjacent wind deflector forms wind guide tank, wind passes signboard body along wind guide tank, reduced front face area, have good ventilative property and adaptability, can prolong the serviceable life of signboard body.In the two adjacent wind deflectors, place the bottom height of the wind deflector of top to be less than or equal to the top height of the wind deflector that places the below, this is so that the direct printing opacity of wind guide tank, effectively avoid daytime sunlight reflected and bridge floor light transmission impact in night indicate profiling.
In addition, the luminous component of being located at described signboard body surface is designed to different shapes to show position, warning of hazardous and indication traffic according to actual conditions.Different bridge aids to navigations can form the LED module by the varying number high-powered LED lamp, light source controller is controlled light intensity and the flash period of high-powered LED lamp effectively, luminophor light intensity observed range is adjusted, obtain best profiling effect, the high-powered LED lamp that the cycle flashes can also play warning function effectively.Simultaneously, high-powered LED lamp is fixed on the aluminum base circuit board by the LED heat abstractor, light source transmits along the light transmission piece on the lid after the self-focusing collimation lens focuses on light intensity, increased the light intensity in the angular field of view of navigation channel, scattering and the dazzle of light source have significantly been reduced, dwindled the resolution spacing between the illuminating source, increased the profiling distance that is identified in the angular field of view, thereby improved ship's navigation and channel safe guarantee.Be located at the groove of lid outer wall, greatly increased area of dissipation, accelerated radiating efficiency.
Description of drawings
Fig. 1 is the structural representation of a kind of bridge aids to navigation of the present invention;
Fig. 2 is the right view of a kind of bridge aids to navigation of the present invention;
Fig. 3 is the partial enlarged drawing of A section in the bridge aids to navigation shown in Figure 2;
Fig. 4 is the structural representation of light source controller 23 in a kind of bridge aids to navigation of the present invention;
Fig. 5 is the structural representation of LED heat abstractor 24 in a kind of bridge aids to navigation of the present invention;
Fig. 6 is the sectional view of LED heat abstractor 24 in a kind of bridge aids to navigation of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the bridge aids to navigation comprises signboard body 1 and is located at the luminous component 2 on described signboard body 1 surface.Described signboard body 1 comprises framework 11 and is located at a plurality of wind deflectors that are parallel to each other 12 in the described framework 11, and described wind deflector 12 forms an angle with surface level, and described angle is less than 90 °.Described luminous component 2 comprises aluminum base circuit board 21, be located at LED heat abstractor 24 on the described aluminum base circuit board 21, be packaged in the high-powered LED lamps 22 in the described LED heat abstractor 24 and be used for controlling the light source controller 23 of described high-powered LED lamp 22 light intensity and flash period.
Aluminum base circuit board 21 has good thermal conductivity, electric insulating quality and machining property, can effectively distribute the heat that produces in the high-powered LED lamp 22 work engineerings, prolongs the serviceable life of LED lamp.Aluminum base circuit board 21 adopts mounting technology, has dwindled widely component size, has reduced assembly cost.In addition, LED heat abstractor 24 can prevent the natural causes such as wind, rain, snow effectively to the direct erosion of high-powered LED lamp in heat radiation, prolongs the serviceable life of LED lamp.
During use, the bridge aids to navigation is fixedly arranged on the position that indicates navigation channel, anchorage, dangerous shoal and other obstructions, signboard body 1 is put perpendicular to surface level.The luminous component 2 of being located at signboard body 1 surface is designed to different shapes to show position, warning of hazardous and indication traffic according to purposes, be packaged in the described LED heat abstractor 24 high-powered LED lamp 22 form the LED module according to certain quantity, high-powered LED lamp 22 is regulated light intensity and flash period under the control of light source controller 23, obtain best alarming effect.
Need to prove that wind deflector 12 can require to arrange according to the maximum wind resistance in locality with the angle of surface level, angle is less, and the wind-guiding amount is larger, and wind loading rating is stronger.Therefore, the operator needs according to the wind direction of locality and the strong angle that wind deflector 12 and surface level are set surely of wind, shown in the arrow among Fig. 2, the gap that adjacent wind deflector is 2 forms wind guide tank, wind passes signboard body 1 along wind guide tank, has reduced front face area, and ventilative area is greater than 50%, can resist 16 grades of wind, to prolong the serviceable life of bridge aids to navigation.
As shown in Figure 3, described wind deflector 12 upper limbs are bent to form flap 121, and described upper flap 121 and 12 formed angles of wind deflector are greater than 90 °.Described wind deflector 12 lower edges are bent to form lower flap portion 122, and 12 formed angles of described lower flap portion 122 and wind deflector are greater than 90 °.Described lower flap portion 122 and upper flap 121 are parallel with described framework 11 bottom surfaces.Shown in the arrow among Fig. 4, wind moves along the formed wind guide tank in gap of 12 of adjacent wind deflectors, being parallel to framework 11 bottom surface lower flap portions 122 can effectively guide wind to enter wind guide tank, and under the guiding of lower flap portion 122, leave wind guide tank, this guides wind direction effectively, has increased the rated wind velocity of signboard body.
More preferably, in the two adjacent described wind deflectors 12, place the bottom height of the described wind deflector 12 of top to be less than or equal to the top height of the described wind deflector 12 that places the below.
Because in the two adjacent wind deflectors 12, the bottom height of the wind deflector 12 above placing is less than or equal to the top height of the wind deflector 12 that places the below, this is so that the direct printing opacity of the spacing of 12 of adjacent wind deflectors, effectively avoid daytime sunlight reflected and bridge floor light transmission impact in night sign profiling.Preferably, the top height of the wind deflector 12 below the bottom height of the wind deflector 12 above placing equals to place, this has saved material widely, has reduced production cost.
More preferably, the spacing of 12 of described wind deflectors adopts equidistant the setting usually.In case of necessity, adjacent wind deflector 12 spacings can require special the setting according to local wind-guiding.
More preferably, signboard body 1 selects stainless steel material to make, and has good anticorrosive and wind resistance, effectively prolongs the serviceable life of signboard body.
As shown in Figure 4, described light source controller 23 comprises:
Be used for controlling the light intensity adjustment control module 231 of described high-powered LED lamp 22 light intensity.
Need to prove, described light intensity is adjusted the adjusting that control module 231 is realized light intensity by voltage and the electric current of control high-powered LED lamp 22, make the voltage constant between the LED module, current constant in the module, the light intensity observed range of the light source that luminous component 2 is sent is adjusted, and obtains best profiling effect.Light intensity is adjusted in the control module 231 and is preset with current value and magnitude of voltage, when the electric current in the module is increased to predefined current value, the magnitude of voltage between the control module, make between module lower voltage so that real-time current remain unchanged according to predetermined current value; When the voltage between module was increased to predefined magnitude of voltage, the current value in the control module made the interior current reduction of module so that real-time voltage remains unchanged according to predetermined magnitude of voltage.
Be used for controlling the periodic Control unit 232 of described high-powered LED lamp 22 flash periods, the high-powered LED lamp 22 that the cycle flashes can play warning function effectively.
Be used for compensating the attenuation compensation control module 233 of described high-powered LED lamp 22 light decays.The LED lamp is after lighting after a while, and light intensity can be lower than original light intensity, produces light decay, therefore, need to decay with compensating light by adjusting electric current, guarantees light intensity.
Adjust control module 231, periodic Control unit 232 and attenuation compensation control module 233 with described light intensity and link to each other respectively, be used for driving the driver element 234 that the described light intensity of described high-powered LED lamp 22 responses is adjusted control module 231, periodic Control unit 232 and attenuation compensation control module 233.Driver element 234 can directly be controlled electric current, voltage and the flash period of LED lamp 22, makes LED lamp 22 adjust control module 231, periodic Control unit 232 and attenuation compensation control module 233 according to light intensity and changes state parameter.
Such as Fig. 5, shown in Figure 6, described LED heat abstractor 24 comprises be used to the radiating shell 241 that encapsulates described high-powered LED lamp 22 and lid 242.Described lid 242 is provided with through hole 2421 and is used for sealing the light transmission piece 2422 of described through hole 2421.Preferably, radiating shell 241 and lid 242 aluminium substrates are made, thermal conductivity, electric insulating quality and machining property are good, the heat that produces in the time of can effectively transmitting high-powered LED lamp 22 work that is packaged in the radiating shell 241, reduce the temperature in the radiating shell 241, prolong the serviceable life of LED lamp.Need to prove that 242 of radiating shell 241 and lids are threaded connection, simple in structure, connect reliable, mounting or dismounting are convenient.
The light source that high-powered LED lamp 22 sends transmits along the light transmission piece 2422 on the lid 242.Preferably, light transmission piece 2422 can be for antiultraviolet nano-glass sheet or organic glass sheet, and is corrosion-resistant, sun-proof, and intensity, transparency and physical strength are high.
More preferably, described lid 242 outer walls are provided with groove.Also be provided be used to the O-ring seal that seals described radiating shell 241 on the described lid 242.Groove so that the outer wall area of lid 242 increased widely, thereby increased area of dissipation, accelerated radiating efficiency.
More preferably, described radiating shell 241 is provided with the self-focusing collimation lens 2411 that places described high-powered LED lamp 22 tops and the supporting seat 2412 that is used for supporting described self-focusing collimation lens 2411.Described self-focusing collimation lens 2411 bottoms are provided with cavity, and described high-powered LED lamp 22 is embedded in the described cavity.Being located at light source that the 2411 pairs of large merit LED lamps 22 of self-focusing collimation lens on the high-powered LED lamp 22 send carries out secondary optics and processes, light source is after the focusing of self-focusing collimation lens 2411, transmit along the light transmission piece 2422 on the lid 242, scattering and the dazzle of light source have significantly been reduced, dwindle the resolution spacing between the adjacent illuminating source, increased the profiling distance that is identified in the angular field of view.
More preferably, described self-focusing collimation lens 2411 is inverted cone.The focusing angle of described self-focusing collimation lens 2411 makes the direction of propagation of light source converge in rectilinear direction less than 10 °, reduces astigmatism and the dazzle of light source.
Need to prove that the physical dimension of described inverted cone can be determined according to the actual requirement adjustment.
Preferably, self-focusing collimation lens 2411 can be selected organic glass, and visible light transmissivity is 93%, is easy to processing, has the preferably transparency, chemical stability and weatherability.
As shown in Figure 1, described signboard body 1 also comprises the reinforcements 13 of being located in the described framework 11 for increasing described framework 11 stability.Preferably, reinforcement 13 is solid construction, and xsect is rectangle.
As from the foregoing, wind passes signboard body 1 along the wind guide tank of 12 formation of wind deflector, has reduced widely front face area, has good ventilative property and adaptability, can prolong the serviceable life of signboard body.In the two adjacent wind deflectors 12, the bottom height of the wind deflector 12 above placing is less than or equal to the top height of the wind deflector 12 that places the below, this is so that the direct printing opacity of wind guide tank, effectively avoid daytime sunlight reflected and bridge floor light transmission impact in night sign profiling.In addition, the luminous component 2 of being located at described signboard body 1 surface is designed to different shapes to show position, warning of hazardous and indication traffic according to actual conditions.Light source controller 23 is controlled light intensity and the flash period of high-powered LED lamp 22 effectively, and luminophor light intensity observed range is adjusted, and obtains best profiling effect, and the high-powered LED lamp 22 that the cycle flashes can also play warning function effectively.Simultaneously, high-powered LED lamp 22 is fixed on the aluminum base circuit board 21 by the LED heat abstractor, light source transmits along the light transmission piece 2422 on the lid 242 after self-focusing collimation lens 2411 focuses on light intensity, increased the light intensity in the angular field of view of navigation channel, scattering and the dazzle of light source have significantly been reduced, dwindled the resolution spacing between the illuminating source, increased the profiling distance that is identified in the angular field of view, thereby improved ship's navigation and channel safe guarantee.Be located at the groove of lid 242 outer walls, greatly increased area of dissipation, accelerated radiating efficiency.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (9)
1. a bridge aids to navigation is characterized in that, comprises signboard body and is located at the luminous component on described signboard body surface;
Described signboard body comprises framework and is located at a plurality of wind deflectors that are parallel to each other in the described framework, and described wind deflector and surface level form an angle, and described angle is less than 90 °;
Described luminous component comprises aluminum base circuit board, be located at LED heat abstractor on the described aluminum base circuit board, be packaged in the high-powered LED lamp in the described LED heat abstractor and be used for controlling the light source controller of described high-powered LED lamp light intensity and flash period.
2. bridge aids to navigation as claimed in claim 1 is characterized in that,
Described wind deflector upper limb is bent to form flap, and formed angle is greater than 90 ° between described upper flap and wind deflector;
Described wind deflector lower edge is bent to form lower flap portion, and formed angle is greater than 90 ° between described lower flap portion and wind deflector;
Described lower flap portion and upper flap are parallel with described framework bottom surface.
3. bridge aids to navigation as claimed in claim 2 is characterized in that, in the two adjacent described wind deflectors, places the bottom height of the described wind deflector of top to be less than or equal to the top height of the described wind deflector that places the below.
4. bridge aids to navigation as claimed in claim 1 is characterized in that, described light source controller comprises:
Be used for controlling the light intensity adjustment control module of described high-powered LED lamp light intensity;
Be used for controlling the periodic Control unit of described high-powered LED lamp flash period;
Be used for compensating the attenuation compensation control module of described high-powered LED lamp light decay;
Adjust control module, periodic Control unit and attenuation compensation control module with described light intensity and link to each other respectively, be used for driving described high-powered LED lamp and respond the driver element that described light intensity is adjusted control module, periodic Control unit and attenuation compensation control module.
5. bridge aids to navigation as claimed in claim 1 is characterized in that,
Described LED heat abstractor comprises be used to the radiating shell that encapsulates described high-powered LED lamp and lid;
Described lid is provided with through hole and is used for sealing the light transmission piece of described through hole.
6. bridge aids to navigation as claimed in claim 5 is characterized in that,
Described lid outer wall is provided with groove;
Also be provided be used to the O-ring seal that seals described radiating shell on the described lid.
7. bridge aids to navigation as claimed in claim 6 is characterized in that,
Described radiating shell is provided with the self-focusing collimation lens that places described high-powered LED lamp top and the supporting seat that is used for supporting described self-focusing collimation lens;
Described self-focusing collimation lens bottom is provided with cavity, and described high-powered LED lamp is embedded in the described cavity.
8. bridge aids to navigation as claimed in claim 7 is characterized in that,
Described self-focusing collimation lens is inverted cone;
The focusing angle of described self-focusing collimation lens is less than 10 °.
9. such as each described bridge aids to navigation of claim 1 ~ 8, it is characterized in that described signboard body also comprises is located at the interior reinforcement for increasing described framework stability of described framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102669384A CN103000102A (en) | 2011-09-09 | 2011-09-09 | Bridge navigating mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102669384A CN103000102A (en) | 2011-09-09 | 2011-09-09 | Bridge navigating mark |
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| Publication Number | Publication Date |
|---|---|
| CN103000102A true CN103000102A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102669384A Pending CN103000102A (en) | 2011-09-09 | 2011-09-09 | Bridge navigating mark |
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| CN (1) | CN103000102A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104320068A (en) * | 2014-10-11 | 2015-01-28 | 昆山诃德新能源科技有限公司 | High power focus solar energy module with wind guide groove |
| WO2019218405A1 (en) * | 2018-05-17 | 2019-11-21 | 天津天元海科技开发有限公司 | Environmentally-friendly wind resistance type rotational molded light beacon for facilitating navigation |
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