CN110906264B - Spotlight vibrates formula LED beacon - Google Patents

Spotlight vibrates formula LED beacon Download PDF

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Publication number
CN110906264B
CN110906264B CN201911265818.5A CN201911265818A CN110906264B CN 110906264 B CN110906264 B CN 110906264B CN 201911265818 A CN201911265818 A CN 201911265818A CN 110906264 B CN110906264 B CN 110906264B
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China
Prior art keywords
lighthouse
fixedly connected
lens
piezoelectric crystal
light
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CN201911265818.5A
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Chinese (zh)
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CN110906264A (en
Inventor
陈启转
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Hangzhou Zhuilie Technology Co ltd
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Dongyang Jueu New Material Co Ltd
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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
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • 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
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/04—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways
    • F21W2111/043—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways for lighthouses or lightships
    • 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]

Abstract

The invention discloses a light-gathering oscillation type LED lighthouse, which relates to the technical field of lighthouse lamp devices and comprises a base station, wherein a rotating mechanism is arranged on the base station, the rotating mechanism is connected with a rotating lamp holder, the upper surface of the rotating lamp holder is fixedly connected with an installation frame, the middle part of the rotating lamp holder is fixedly connected with an LED lamp, two sides of the installation frame are respectively and fixedly connected with a spherical reflector and a Fresnel lens, and the LED lamp is positioned at the center of the spherical reflector and the central focus of the Fresnel lens. The irradiation distance of the light beam added with the lighthouse is increased on the premise of ensuring a certain light spot size.

Description

Spotlight vibrates formula LED beacon
Technical Field
The invention relates to the technical field of lighthouse lamp devices, in particular to a light-condensing oscillation type LED lighthouse.
Background
The lighthouse projects light beams to the sea through the lamp arranged at the top to guide, and is a device for guiding a driving direction to avoid offshore obstacles for a ship going on the sea. In order to make the lighthouse beam irradiate farther, the main method is to increase the intensity of the lighthouse beam rotating the lighthouse, but in order to ensure a certain visible spot radius, the light beam cannot be concentrated to increase the light intensity by reducing the divergence angle of the lighthouse beam without limitation.
Disclosure of Invention
The invention provides a light-condensing oscillation type LED lighthouse, which aims to solve the problem that light beams cannot be condensed and the light intensity cannot be improved by a method of reducing the divergence angle of lighthouse light beams without limit in order to ensure a certain visible light spot radius in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light-gathering oscillation type LED lighthouse comprises a base platform, wherein a rotating mechanism is arranged on the base platform, the rotating mechanism is connected with a rotating lamp holder, the upper surface of the rotating lamp holder is fixedly connected with an installation frame, the middle part of the rotary lamp holder is fixedly connected with an LED lamp, two sides of the mounting rack are respectively and fixedly connected with a spherical reflector and a Fresnel lens, the LED lamp is positioned at the center of the spherical reflector and the central focus of the Fresnel lens, one side of the mounting rack, which is far away from the spherical reflector, is rotatably connected with the Fresnel lens through a lens support, a condensing lens is fixedly connected in the lens bracket, a piezoelectric crystal is fixedly connected on the mounting frame, piezoelectric crystal keeps away from mounting bracket one end fixed connection at lens support edge, the equal electric connection of LED lamp and piezoelectric crystal has drive circuit, drive circuit electric connection has the power, the power is installed in the base station.
Preferably, the axis of the condensing lens is located on the axis of the fresnel lens, and the condensing lens and the fresnel lens are coaxial in the initial state.
Preferably, the extension of the piezoelectric crystal changes sinusoidally in the next period driven by the driving circuit.
Preferably, the LED lamp emits light twice in the next period driven by the driving circuit, the light-emitting gap in the period is larger than the light-emitting gap in the adjacent period, and the light-emitting time of two times is near the maximum elongation of the piezoelectric crystal in the forward direction and the reverse direction.
Preferably, the drive circuit drive period is less than 1/24 second.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention further reduces the divergence angle of the lighthouse light beam by arranging the condensing lens, thereby improving the light intensity of the lighthouse light beam and increasing the irradiation distance of the lighthouse light beam, and the piezoelectric crystal is arranged between the lens support and the mounting rack of the condensing lens, the condensing lens is periodically deflected under the periodic driving of the driving circuit, and because the driving period is less than the visual persistence time of human eyes, a person observing the lighthouse light beam cannot distinguish that the lighthouse light beam is deflected, only one flat light spot can be seen, thereby indirectly increasing the light spot area of the condensed lighthouse light beam, and realizing the increase of the irradiation distance of the lighthouse light beam on the premise of ensuring a certain light spot size.
2. The LED lamp emits light twice in one period under the driving of the driving circuit, the two times of light emitting time are positioned near the maximum elongation of the piezoelectric crystal in the forward direction and the reverse direction, and two lighthouse light beams are partially overlapped to jointly form a light beam with a flat light spot.
3. The LED lamp driving device adjusts the light emitting gap of the LED lamp in the driving period of the driving circuit to be larger than the light emitting gap of the adjacent driving period, and the mounting frame and the mounting component thereof are matched with the rotation in an adaptive manner, so that the two light beacon beams emitted in the driving period are prevented from being too discrete or overlapped due to the rotation.
4. The invention controls the condenser lens to periodically deflect through the telescopic change of the piezoelectric crystal, the piezoelectric crystal can enable the condenser lens to deflect for 24 times within 1 second, compared with the driving of a vibration motor, the invention has the advantages of smaller noise and less heat dissipation, thereby having smaller influence on the service life of the LED lamp;
simultaneously, additionally adding a condensing lens, comparing in the focusing power who improves fresnel lens and directly setting up piezoelectric crystal for fresnel lens, fresnel lens can lead to the facula of the outgoing beam to take place the distortion when taking place to deflect because the structural characteristic of self, and condensing lens is because the surface is smooth and continuous, can not take place the facula distortion when deflecting, and spotlight and facula display effect are better.
Drawings
Fig. 1 is a schematic structural diagram of a light-condensing oscillating LED lighthouse according to the present invention;
fig. 2 is a schematic diagram of a mounting frame for a condensing lens of a condensing oscillating LED lighthouse according to the present invention;
fig. 3 is a schematic diagram illustrating a variation of a divergence angle of a light beam of a light-condensing oscillating LED lighthouse according to the present invention;
fig. 4 is a schematic diagram of a change of a visible light spot of a lighthouse light beam of a condensing oscillation type LED lighthouse according to the present invention.
In the figure: the LED lamp comprises a base table 1, a rotating mechanism 2, a rotating lamp holder 3, a mounting frame 4, an LED lamp 5, a spherical reflector 6, a Fresnel lens 7, a lens support 8, a condensing lens 9, a piezoelectric crystal 10, a driving circuit 11 and a power supply 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a light-gathering oscillation type LED lighthouse comprises a base station 1, wherein a rotating mechanism 2 is installed on the base station 1, the rotating mechanism 2 is connected with a rotating lamp holder 3, so that the rotating lamp holder 3 and upper components thereof continuously rotate, and lighthouse light beams are enabled to patrol the sea surface.
Fixed surface is connected with mounting bracket 4 on the rotatory lamp stand 3, 3 middle part fixedly connected with LED lamps 5 of rotatory lamp stand, 4 both sides of mounting bracket are fixedly connected with spherical reflector 6 and fresnel lens 7 respectively, LED lamps 5 are located the center of spherical reflector 6 and fresnel lens 7's central focus, the strong light beam that the light gathering that sends the LED lamp formed and had certain divergence angle throws away from fresnel lens 7 axis direction, form the lighthouse light beam, guide the direction for marine row ship.
One side of the mounting frame 4, which is far away from the spherical reflector 6, is rotatably connected with a lens support 8 with the Fresnel lens 7, a condensing lens 9 is fixedly connected in the lens support 8, the axis of the condensing lens 9 is positioned on the axis of the Fresnel lens 7, and the initial state are coaxial, so that the divergence angle of the lighthouse light beam is reduced, the light intensity of the lighthouse light beam is improved, and the illumination distance of the lighthouse light beam is increased.
The mounting frame 4 is fixedly connected with a piezoelectric crystal 10, and the piezoelectric crystal can generate inverse piezoelectric effect when an electric field is applied, namely, the electric field is applied to the crystal, and the crystal can generate mechanical deformation such as extension or shortening in a certain direction; when the applied electric field is removed, the deformation is restored.
One end, far away from the mounting frame 4, of the piezoelectric crystal 10 is fixedly connected to the edge of the lens support 8, the piezoelectric crystal 10 is electrically connected with a driving circuit 11, the extension amount of the piezoelectric crystal 10 is changed in a sine mode in the next period driven by the driving circuit 11, namely, when the piezoelectric crystal 10 works, the condensing lens 9 is deflected periodically, so that periodic deflection is generated on lighthouse light beams, and the maximum deflection of light spots at the farthest positions of the periodically deflected lighthouse light beams is between one and two light spot radiuses.
5 electrically connected of LED lamp has drive circuit 11, LED lamp 5 sends twice light in drive circuit 11 drive next cycle, and luminous clearance is greater than adjacent cycle luminous clearance in the cycle, and twice luminous time is located near piezoelectric crystal 10 forward and reverse maximum elongation, the rotatory mounting bracket 4 of cooperation of adaptability and the part of its installation, two bundles of beacon light beams of sending are too discrete or coincide in the drive cycle of avoiding causing because of the rotation, through increasing the luminous clearance in original cycle promptly, because the deviation that the luminous clearance time internal rotation caused in the cycle when avoiding the transmission of second bundle of beacon light beams.
The driving period of the driving circuit 11 is less than 1/24 second and less than the persistence time of vision of human eyes, so that the human eyes cannot distinguish the periodically deflected lighthouse light beams and the intermittently emitted lighthouse light beams when observing the lighthouse light beams; the driving circuit 11 is electrically connected to a power source 12, and the power source 12 is installed in the base 1 to supply power.
The principles of the present invention are now described as follows:
referring to fig. 3, on the basis of the original light-focusing system, i.e., the spherical reflector 6 and the fresnel lens 7, a light-focusing lens 9 is further provided to reduce the divergence angle of the lighthouse light beam, improve the light intensity of the lighthouse light beam, and increase the irradiation distance of the lighthouse light beam;
compared with the method that the focusing capacity of the Fresnel lens 7 is improved, and the piezoelectric crystal 10 is directly arranged on the Fresnel lens 7, the Fresnel lens 7 can cause the light spot of the emergent light beam to be distorted due to the structural characteristics of the Fresnel lens 7 when the Fresnel lens deflects, the condensing lens 9 is smooth and continuous in surface, the light spot distortion cannot occur when the Fresnel lens deflects, and the condensing and light spot display effects are better;
the piezoelectric crystal 10 is arranged between the lens support 8 fixedly connected with the condenser lens 9 and the mounting frame 4, because the piezoelectric crystal 10 can be subjected to mechanical deformation such as extension or shortening along with an external electric field, under the periodic driving of the driving circuit 11, the extension amount of the piezoelectric crystal 10 is subjected to sinusoidal change, so that the condenser lens 9 rotatably connected with the mounting frame 4 is subjected to periodic deflection, and the maximum deviation of light spots at the farthest positions of periodically deflected lighthouse light beams is between one and two light spot radiuses;
the piezoelectric crystal 10 can deflect the condenser lens 9 for 24 times within 1 second, and compared with a mode of driving by adopting a vibration motor, the piezoelectric crystal generates less noise and emits less heat, so that the influence on the service life of the LED lamp 5 is less;
referring to fig. 4, since the driving cycle of the driving circuit 11 is shorter than the persistence time of vision of human eyes, a person observing the lighthouse light beam cannot distinguish that the lighthouse light beam is deflected, and only can see one continuous flat light spot, so that the area of the light spot of the collected lighthouse light beam is indirectly increased, the divergence angle of the lighthouse light beam is reduced, the light intensity of the lighthouse light beam is improved, and the irradiation distance of the lighthouse light beam is increased on the premise of ensuring a certain light spot size;
meanwhile, the LED lamp 5 emits light twice in one period under the driving of the driving circuit 11, and the two-time light emitting time is near the maximum elongation in the forward direction and the reverse direction of the piezoelectric crystal 10, so that compared with continuous light emitting, the light emitting intensity in the light emitting time can be further improved by adjusting the light emitting energy;
set up the luminous clearance of LED lamp 5 in drive circuit 11 drive cycle and be greater than adjacent drive cycle's luminous clearance, the rotatory mounting bracket 4 of adaptation cooperation and the part of installation through increasing the luminous clearance in original cycle to because the rotatory deviation that causes of the part of mounting bracket 4 and installation in the luminous clearance time in the cycle when avoiding the transmission of second bundle of lighthouse light beam, guarantee that the facula of platykurtic can not too coincide or discrete.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (2)

1. The utility model provides a spotlight vibrates formula LED beacon, includes base station (1), install rotary mechanism (2) on base station (1), rotary mechanism (2) is connected with rotatory lamp stand (3), its characterized in that, fixed surface is connected with mounting bracket (4) on rotatory lamp stand (3), rotary lamp stand (3) middle part fixedly connected with LED lamp (5), fixedly connected with spherical reflector (6) and Fresnel lens (7) respectively are located in mounting bracket (4) both sides, LED lamp (5) are located the center of spherical reflector (6) and Fresnel lens's (7) central focus, keep away from spherical reflector (6) one side on mounting bracket (4) and Fresnel lens (7) rotation and be connected with lens support (8), fixedly connected with condensing lens (9) in lens support (8), fixedly connected with piezoelectric crystal (10) on mounting bracket (4), one end, far away from the mounting frame (4), of the piezoelectric crystal (10) is fixedly connected to the edge of the lens support (8), the LED lamp (5) and the piezoelectric crystal (10) are both electrically connected with a driving circuit (11), the driving circuit (11) is electrically connected with a power supply (12), and the power supply (12) is mounted in the base station (1); the extension amount of the piezoelectric crystal (10) is changed in a sine way in the next period driven by the driving circuit (11); the LED lamp (5) emits light twice in the next period driven by the driving circuit (11), the light emitting gap in the period is larger than that of the adjacent period, and the light emitting time of two times is near the maximum elongation of the piezoelectric crystal (10) in the forward direction and the reverse direction; the driving period of the driving circuit (11) is less than 1/24 second.
2. The condensing oscillating LED lighthouse according to claim 1, wherein the axis of the condensing lens (9) is located on the axis of the fresnel lens (7) and the initial state is coaxial.
CN201911265818.5A 2019-12-11 2019-12-11 Spotlight vibrates formula LED beacon Active CN110906264B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911265818.5A CN110906264B (en) 2019-12-11 2019-12-11 Spotlight vibrates formula LED beacon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911265818.5A CN110906264B (en) 2019-12-11 2019-12-11 Spotlight vibrates formula LED beacon

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CN110906264A CN110906264A (en) 2020-03-24
CN110906264B true CN110906264B (en) 2020-11-24

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19901391A1 (en) * 1999-01-15 2000-09-14 Weigert Dedo Film Gmbh Headlights with variable beam angle and with aspherical front lens
TWI444564B (en) * 2012-01-02 2014-07-11 Lextar Electronics Corp Lamp with functions of adjusting an illumination direction
CN102818212A (en) * 2012-08-24 2012-12-12 张文虎 Light tower
CN103968322B (en) * 2014-05-27 2016-09-21 北京蚁视科技有限公司 The very useful energy-saving alarming sign lamp of high-lager building
KR101752743B1 (en) * 2016-08-02 2017-07-12 주식회사 엠에스엘테크놀로지 LED marine lantern
CN106908869B (en) * 2017-03-29 2021-11-12 上海智觅智能科技有限公司 Lens for increasing light beam transmission scattering convergence angle and manufacturing method
CN206739088U (en) * 2017-06-02 2017-12-12 成都市锦华实用电器研究所有限公司 The optical texture of reflectivity can be improved
CN207893619U (en) * 2017-12-30 2018-09-21 天津天元海科技开发有限公司 A kind of long-range revolving radio beacon lamp
CN208253288U (en) * 2018-04-11 2018-12-18 郑雪娜 LED spotlight
CN109000172B (en) * 2018-06-29 2021-04-30 王连富 Searchlight for lighthouse

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Effective date of registration: 20201106

Address after: 322100 3rd floor, building 71, Dongfu village, houtang community, Jiangbei street, Dongyang City, Jinhua City, Zhejiang Province (self declaration)

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Patentee after: HANGZHOU ZHUILIE TECHNOLOGY Co.,Ltd.

Address before: 322100 Floor 3, Building 71, Dongfu Village, Houtang Community, Jiangbei Street, Dongyang City, Jinhua City, Zhejiang Province (self declaration)

Patentee before: Dongyang jueu New Material Co.,Ltd.