CN110701580A - Method for adjusting light beam zooming effect and variable-focus projection lamp - Google Patents
Method for adjusting light beam zooming effect and variable-focus projection lamp Download PDFInfo
- Publication number
- CN110701580A CN110701580A CN201910936858.1A CN201910936858A CN110701580A CN 110701580 A CN110701580 A CN 110701580A CN 201910936858 A CN201910936858 A CN 201910936858A CN 110701580 A CN110701580 A CN 110701580A
- Authority
- CN
- China
- Prior art keywords
- light
- focusing film
- current
- focusing
- voltage
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 title claims abstract description 23
- 238000002834 transmittance Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000009792 diffusion process Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims 1
- 239000010408 film Substances 0.000 description 92
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 238000005286 illumination Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 5
- 241001465382 Physalis alkekengi Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000005264 High molar mass liquid crystal Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a method for adjusting the light beam zooming effect and a variable-focus projection lamp, wherein the method comprises the following steps: receiving a starting signal, and starting the lamp to run; the controller receives the control signal, obtains a corresponding voltage/current signal according to the control signal and outputs corresponding voltage/current to the focusing film through the voltage/current signal; the focusing film receives corresponding voltage/current, and the arrangement condition of molecules in the focusing film is changed according to the voltage/current, so that the light transmittance of the focusing film is adjusted; light emitted by the light source passes through the focusing film, and the light penetrating through the focusing film is diffused to form a corresponding beam angle and a corresponding light spot according to the light transmittance of the focusing film, so that the light beam is zoomed. The method for adjusting the light beam zooming effect has strong controllability and high consistency.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a method for adjusting a light beam zooming effect and a variable-focus projection lamp.
Background
With the rapid development of LED technology and the wide application in the field of lighting, LED lighting has begun to differentiate, and subdivision board differentiation such as museums, hotels, restaurants, offices and the like has been performed in the application field. LED zooms are applied to LED flashlight trade at first, along with the promotion of people's aesthetic requirements, and more for beautifying the illumination the field of using the technique of zooming, lie in stage lighting field, museum's illumination field and art gallery illumination field especially.
The traditional zooming technology is mechanical zooming, the size of a light spot and the illumination intensity are adjusted by changing the parallel distance between a lens and a light source, but the mechanical zooming has the problems of poor controllability, low consistency and the like, so that a method for adjusting the light beam zooming effect with strong controllability and high consistency is needed.
Disclosure of Invention
The invention aims to provide a method for adjusting the light beam zooming effect and a variable-focus projection lamp.
The technical scheme is as follows:
a method of adjusting a beam zoom effect, the method comprising the steps of: receiving a starting signal, and starting the lamp to run; the controller receives the control signal, obtains a corresponding voltage/current signal according to the control signal and outputs corresponding voltage/current to the focusing film through the voltage/current signal; the focusing film receives corresponding voltage/current, and the arrangement condition of molecules in the focusing film is changed according to the voltage/current, so that the light transmittance of the focusing film is adjusted; light emitted by the light source passes through the focusing film, and the light penetrating through the focusing film is diffused to form a corresponding beam angle and a corresponding light spot according to the light transmittance of the focusing film, so that the light beam is zoomed.
The lamp receives a starting signal, after the lamp starts to operate, the input end of the controller receives a control signal, the controller obtains a corresponding voltage/current signal according to the control signal and outputs corresponding voltage/current to the focusing film through the voltage/current signal, the focusing film receives corresponding voltage/current, driving current passing through the focusing film is changed according to the voltage/current, molecules in the focusing film are enabled to be in a corresponding arrangement state, the light transmittance of the focusing film is changed, light penetrating through the focusing film forms corresponding light beams and light spots, and therefore a corresponding light beam zooming effect is achieved. Electronic zooming is carried out through signal control, and compared with a traditional mechanical zooming mode, the method for adjusting the light beam zooming effect is strong in controllability and high in consistency.
The control signal includes a focus signal and a fine adjustment signal. The control signal is divided into the focusing signal and the fine adjustment signal, the driving current in the focusing film is adjusted through the control signal, and compared with a traditional mechanical zooming mode, the electronic zooming mode is high in reliability and not prone to mechanical failure, and therefore lamp failure is caused.
The focusing signal is divided into 0 to 255 stages. The focusing signal is divided into 0-255 levels for adjustment, a linear adjustment mode is used, the change process of light beam angle adjustment of the lamp is smooth, the zooming process is soft, and compared with a traditional mechanical zooming mode, the electronic zooming mode is accurate in adjustment and strong in controllability.
The fine tuning signal divides each stage in the focus signal into 0 to 255 stages. Except 0 to 255 grades of focusing signals, still divide into 0 to 255 grades with each grade in the focusing signal, adjust luminance for each grade of focusing signal and be subdivided into 255 and adjust luminance for a minute, make adjust luminance more exquisite, the uniformity is higher when adjusting a plurality of projecting lamps that can zoom.
The invention also discloses a variable focus projection lamp, which comprises: a light source for emitting a light beam; the controller is used for receiving the control signal, converting the control signal into a corresponding voltage/current signal and transmitting the voltage/current to the focusing film through the voltage/current signal; the focusing film is arranged on the light emitting surface of the light source, is connected with the controller, is used for transmitting the light beam emitted by the light source, receives voltage/current sent by the controller, changes the arrangement condition of molecules in the focusing film according to the voltage/current, so as to adjust the light transmittance of the focusing film, and forms a corresponding diffusion angle and light spots by the diffusion of the light beam, so that the light beam is zoomed; and the lamp holder is used for installing the light source, the controller and the focusing film.
The variable-focus projection lamp comprises a light source, a controller, a focusing film and a lamp holder, wherein the focusing film is of a sheet structure and is arranged on a light emergent surface of the light source, the original structure of the lamp is not influenced, the focusing film is connected with the controller, the light source, the controller and the focusing film are arranged on the lamp holder, the lamp holder is fixed on an installation surface, an input end of the controller receives a control signal, the controller obtains a corresponding voltage/current signal according to the control signal and outputs corresponding voltage/current to the focusing film through the voltage/current signal, the focusing film receives corresponding voltage/current and changes driving current passing through the focusing film according to the voltage/current so that molecules in the focusing film are in a corresponding arrangement state, the light transmittance of the focusing film is changed, and light penetrating through the focusing film forms corresponding light beams and light spots, so that a corresponding light beam zooming effect is achieved. Compared with a traditional mechanical zooming structure with a secondary lens moving up and down, the variable-focus projection lamp is strong in controllability, simple and compact in structure, light in weight and more suitable for occasions needing silence.
The variable-focus projection lamp further comprises a radiator, the radiator is provided with fins, the fins enable the radiating surface of the radiator to form a curved surface, the radiator is installed on the backlight surface of the light source, and the radiator is provided with a lamp holder. The fins are used for increasing the heat dissipation area and enhancing the heat transfer capacity of the equipment, and the heat dissipation surfaces are formed into curved surfaces by the fins, so that the heat dissipation area can be increased, and meanwhile, the outer surface of the lamp is more attractive.
The lighting fixture includes support and two knobs, the support both ends are equipped with the cantilever arm respectively, the cantilever arm is articulated with the both ends of radiator respectively through two knobs, the knob surface is equipped with the scale correspondingly, the other numerical value that is equipped with correspondingly of scale. Fix the support at the installation face, the both ends that the cantilever arm passes through knob and radiator are articulated for the angle of illumination of lamps and lanterns can freely be adjusted, and the knob surface corresponds and is equipped with scale and numerical value, is convenient for adjust the angle of illumination of lamps and lanterns according to the lighting requirements, can make the regulation of illuminating the angle have the uniformity simultaneously.
The light-emitting surface of the focusing film is provided with a cover plate, two ends of the cover plate are respectively provided with a baffle, and the cover plate is abutted between the two knobs through the baffles at the two ends to form a closed structure with the radiator. The cover plate and the radiator form a closed structure, a focusing film serving as a sheet structure is fixed between the cover plate and the light source, the cover plate is convenient to overhaul and replace, and the cover plate is abutted between the two knobs through the baffles at the two ends, so that the structure of the lamp is kept compact.
And a protection plate is arranged between the cover plate and the focusing film. The guard plate can play the effect dustproof, waterproof, damp proof gas, prevent simultaneously that instrument, human etc. from contacting lamps and lanterns inside, avoid the emergence of electric shock phenomenon, when what the both sides structure of focusing membrane adopted was the material that has safeguard function, focusing membrane fungible guard plate plays the guard action to lamps and lanterns.
The light source is connected in the controller, the light source includes lens and lamp plate, lens install in the lamp plate. The light source is connected in the controller, and controller accessible input signal controls the light source, and including the light and shade and the hue of light source, LED optical lens light efficiency is high, can combine with the lamp plate equipment according to user's demand, and maintainability is strong.
It should be noted that:
the focusing film is an integrally formed sandwich structure formed by compounding a liquid crystal film between two layers of glass or two layers of films and gluing the liquid crystal film at high temperature and high pressure, and the arrangement condition of liquid crystal molecules between the two layers of glass or the two layers of films is changed along with the change of current passing through the focusing film, so that the light transmittance of the focusing film is controlled, and the light penetrates through the focusing film to form a corresponding zooming effect.
Drawings
Fig. 1 is an exploded schematic view of a variable focus projector according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a variable focus projector according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a focusing film of the variable focus projector according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a method for adjusting a zoom effect of a light beam according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a method for adjusting a zoom effect of a light beam according to an embodiment of the present invention;
fig. 6 is a flowchart of a method for adjusting a beam zoom effect according to an embodiment of the present invention.
Description of reference numerals:
1. a variable focus projector; 10. a light source; 20. a focusing film; 30. a controller; 50. a heat sink; 60. a cover plate; 70. a protection plate; 80. light spots; 101. a lens; 102. a lamp panel; 401. a support; 402. a knob; 403. a reach arm; 501. and (4) ribs.
Detailed Description
The following provides a detailed description of embodiments of the invention.
As shown in fig. 1 to 3, the present embodiment discloses a variable focus projector including a light source 10, a controller 30, a focusing film 20, a lamp holder, a heat sink 50, a cover plate 60, and a protection plate 70.
The light source 10 is used for emitting a light beam, and includes a lens 101 and a lamp panel 102, the lens 101 is made of glass, and the lens 101 is installed on the lamp panel 102.
The focusing film 20 is used for transmitting light beams emitted by the light source 10 and receiving voltage/current sent by the controller 30, the focusing film 20 is of a sheet structure and is installed in the lamp without influencing the original structure of the lamp, the existing dry-method laminated glass production process is utilized, a liquid crystal film and a film are sandwiched between two layers of films and are integrally formed after high-temperature and high-pressure gluing, an interlayer between two conductive layers of the focusing film 20 mainly comprises polymer resin and liquid crystal molecules (PDLC), and different internal structures are formed according to the proportion of the glue and the liquid crystal molecules (PDLC).
The focusing film 20 realizes an electro-optical function of a thin film by using optical characteristics of liquid crystal molecules (PDLC). When the driving current passing through the focusing film 20 is the maximum, the liquid crystal molecules (PDLC) between the two films are in a regular arrangement state, and light can freely penetrate through the PDLC; as the driving current passing through the focusing film 20 is gradually reduced, the arrangement of liquid crystal molecules (PDLC) between the two films is gradually irregular, and the light penetration is gradually blocked; until the focusing film 20 is not energized, the liquid crystal molecules (PDLC) between the two films are irregularly dispersed, and light cannot pass through.
And a controller 30 for receiving the control signal and converting the control signal into a corresponding voltage/current signal, through which the voltage/current is supplied to the focusing film 20.
The heat radiator 50 is provided with the fins 501, the fins 501 enable the heat radiating surface of the heat radiator 50 to form a curved surface, the heat radiating area is increased, the heat transfer capacity of equipment is enhanced, and meanwhile the outer surface of the lamp is more attractive.
The light emitting surface of the light source 10 is provided with a focusing film 20, the light emitting surface of the focusing film 20 is provided with a protection plate 70, the light source 10 is installed on the heat sink 50, the middle part of the cover plate 60 is hollow to form a frame structure to cover the light emitting surface of the focusing film 20, the length of the cover plate 60 is the same as that of the heat sink 50, the width of the cover plate 60 is the same as that of the heat sink 50, two ends of the cover plate 60 are provided with arch-shaped baffles, the cover plate 60 is abutted between the two knobs 402 through the baffles at the two ends to form a closed structure with the heat sink 50, the focusing film 20 and the protection plate 60 which are sheet structures are fixed between the cover plate 60 and the light source 10, the lamp bracket comprises a bracket 401 and two knobs 402, the bracket 401 is uniformly distributed with three threaded holes along the long edge direction, two ends of the bracket 401 are, the angle values of 0, 90 and 180 are correspondingly arranged beside the scales, so that the quantitative adjustment of the illumination angle of the lamp is facilitated, the lamp holder is fixed on the mounting surface, and the focusing film 20 is connected with the controller 30. Compared with the traditional mechanical zooming structure with the secondary lens moving up and down, the variable-focus projection lamp has the advantages of simple and compact structure, light weight and more suitability for occasions needing silence.
The light source 10 emits light beams, the controller 30 receives a control signal, the controller 30 obtains a corresponding voltage/current signal according to the control signal, and outputs a corresponding voltage/current to the focusing film 20 through the voltage/current signal, the focusing film 20 receives the corresponding voltage/current, and changes the arrangement condition of molecules in the focusing film 20 according to the voltage/current, when the driving current in the focusing film 20 is maximum, the molecules in the focusing film 20 are in an orderly arrangement state, the light beams can freely penetrate through, the light transmittance of the focusing film 20 is maximum, the light penetrating through the focusing film 20 is not diffused, the formed light beam angle and light spots are minimum, and no zooming effect is achieved; as the driving current passing through the focusing film 20 is gradually reduced, the molecular arrangement in the focusing film 20 is gradually irregular, the light penetration is gradually blocked, the light transmittance of the focusing film 20 is gradually reduced, the formed beam angle and the formed light spot are gradually increased, and the light beam is gradually zoomed; when no current flows in the focusing film 20, molecules in the focusing film 20 are in an irregular dispersion state, light cannot pass through, the light transmittance of the focusing film 20 is minimum, the formed beam angle and light spot are maximum, and the zooming effect is most obvious. Compared with a traditional mechanical zooming structure with a secondary lens moving up and down, the variable-focus projection lamp is strong in controllability and high in consistency.
As shown in fig. 4 to 6, the present embodiment also discloses a method for adjusting the zoom effect of a light beam, the method comprising the steps of:
SO 1: receiving a starting signal, and starting the operation of the variable focus projection lamp 1;
SO 2: the controller 30 receives the control signal, and the controller 30 obtains a corresponding voltage/current signal according to the control signal and outputs a corresponding voltage/current to the focusing film 20 through the voltage/current signal;
SO 3: the focusing film 20 receives a corresponding voltage/current and changes the arrangement condition of molecules in the focusing film 20 according to the voltage/current, thereby adjusting the light transmittance of the focusing film 20;
SO 4: light emitted from the light source 10 passes through the focusing film 20, and the light transmitted through the focusing film 20 is diffused to form a corresponding beam angle and spot 80 according to the light transmittance of the focusing film 20, thereby zooming the light beam.
For making the focusing more accurate, divide into focusing signal and fine setting signal with control signal, the focusing signal divide into 0 to 255 grades, and the fine setting signal divide into 0 to 255 grades with each grade in the focusing signal, adopts the mode of linear adjustment and fine tuning for the process of zooming of projecting lamp 1 that can zoom is more level and smooth, adjusts more exquisitely. When the driving current in the focusing film 20 is the maximum, the molecules in the focusing film 20 are in an orderly arrangement state, light can freely penetrate through the molecules, the light transmittance of the focusing film 20 is the maximum, light penetrating through the focusing film 20 is not diffused, the formed beam angle and the formed light spot 80 are the minimum, and no zooming effect is realized; as the driving current passing through the focusing film 20 is gradually reduced, the molecular arrangement in the focusing film 20 is gradually irregular, the light penetration is gradually blocked, the light transmittance of the focusing film 20 is gradually reduced, the formed beam angle and the formed light spot 80 are gradually increased, and the light beam is gradually zoomed; when no current flows in the focusing film 20, molecules in the focusing film 20 are in an irregular dispersion state, light cannot pass through, the light transmittance of the focusing film 20 is minimum, the formed beam angle and the formed light spot 80 are maximum, and the zooming effect is most obvious. Electronic zooming is carried out through signal control, and compared with a traditional mechanical zooming mode, the method for adjusting the light beam zooming effect is accurate in adjustment, strong in controllability and high in consistency.
The above are merely specific embodiments of the present invention, and the scope of the present invention is not limited thereby; any alterations and modifications without departing from the spirit of the invention are within the scope of the invention.
Claims (10)
1. A method of adjusting a zoom effect of a light beam, the method comprising the steps of:
receiving a starting signal, and starting the lamp to run;
the controller receives the control signal, obtains a corresponding voltage/current signal according to the control signal and outputs corresponding voltage/current to the focusing film through the voltage/current signal;
the focusing film receives corresponding voltage/current, and the arrangement condition of molecules in the focusing film is changed according to the voltage/current, so that the light transmittance of the focusing film is adjusted;
light emitted by the light source passes through the focusing film, and the light penetrating through the focusing film is diffused to form a corresponding beam angle and a corresponding light spot according to the light transmittance of the focusing film, so that the light beam is zoomed.
2. The method of claim 1, wherein the control signals comprise a focus signal and a fine tuning signal.
3. The method of claim 2, wherein the focus signal is divided into 0 to 255 stages.
4. The method of claim 3, wherein the fine tuning signal divides each stage in the focus signal into 0 to 255 stages.
5. Variable focus projector, characterized in that it comprises:
a light source for emitting a light beam;
the controller is used for receiving the control signal, converting the control signal into a corresponding voltage/current signal and transmitting the voltage/current to the focusing film through the voltage/current signal;
the focusing film is arranged on the light emitting surface of the light source, is connected with the controller, is used for transmitting the light beam emitted by the light source, receives voltage/current sent by the controller, changes the arrangement condition of molecules in the focusing film according to the voltage/current, so as to adjust the light transmittance of the focusing film, and forms a corresponding diffusion angle and light spots by the diffusion of the light beam, so that the light beam is zoomed;
and the lamp holder is used for installing the light source, the controller and the focusing film.
6. The variable focus projector of claim 5 further comprising a heat sink having fins that form a curved surface on a heat dissipating surface of the heat sink, the heat sink being mounted to a backlight surface of the light source, the heat sink being mounted to a light holder.
7. The variable focus projector lamp according to claim 6, wherein said lamp holder comprises a support and two knobs, said support has two ends respectively provided with a protruding arm, said protruding arm is hinged with two ends of said heat sink respectively through two knobs, said knobs have corresponding scales on the surface, and said scales have corresponding numerical values.
8. The variable focus floodlight of claim 7, wherein a cover plate is installed on a light emergent surface of the focusing film, baffles are respectively installed at two ends of the cover plate, and the cover plate abuts against between the two knobs through the baffles at the two ends to form a closed structure with the heat sink.
9. The variable focus projector of claim 8 wherein a protective shield is positioned between the cover plate and the focusing film.
10. The variable focus projector of claim 5 wherein said light source is connected to a controller, said light source including a lens and a light panel, said lens mounted to said light panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936858.1A CN110701580A (en) | 2019-09-29 | 2019-09-29 | Method for adjusting light beam zooming effect and variable-focus projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936858.1A CN110701580A (en) | 2019-09-29 | 2019-09-29 | Method for adjusting light beam zooming effect and variable-focus projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110701580A true CN110701580A (en) | 2020-01-17 |
Family
ID=69197977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910936858.1A Pending CN110701580A (en) | 2019-09-29 | 2019-09-29 | Method for adjusting light beam zooming effect and variable-focus projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110701580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021063138A1 (en) * | 2019-09-30 | 2021-04-08 | 广州市浩洋电子股份有限公司 | Stage light system having beam divergence angle varying with voltage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201902854U (en) * | 2010-11-05 | 2011-07-20 | 菱光科技股份有限公司 | Illuminating device |
| US20120121244A1 (en) * | 2010-11-15 | 2012-05-17 | Congruent Concepts, LLC | Variable focus illuminator |
| CN206176158U (en) * | 2016-11-02 | 2017-05-17 | 南京洛普科技有限公司 | LED projecting lamp that can zoom |
| CN108050488A (en) * | 2017-12-19 | 2018-05-18 | 深圳民爆光电技术有限公司 | A kind of varifocal LED illumination System of electronic type |
| CN207750842U (en) * | 2018-01-22 | 2018-08-21 | 广州市浩洋电子股份有限公司 | A kind of liquid crystal light modulation stage soft light |
| CN109140278A (en) * | 2017-06-26 | 2019-01-04 | 光宝科技股份有限公司 | Light source module |
-
2019
- 2019-09-29 CN CN201910936858.1A patent/CN110701580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201902854U (en) * | 2010-11-05 | 2011-07-20 | 菱光科技股份有限公司 | Illuminating device |
| US20120121244A1 (en) * | 2010-11-15 | 2012-05-17 | Congruent Concepts, LLC | Variable focus illuminator |
| CN206176158U (en) * | 2016-11-02 | 2017-05-17 | 南京洛普科技有限公司 | LED projecting lamp that can zoom |
| CN109140278A (en) * | 2017-06-26 | 2019-01-04 | 光宝科技股份有限公司 | Light source module |
| CN108050488A (en) * | 2017-12-19 | 2018-05-18 | 深圳民爆光电技术有限公司 | A kind of varifocal LED illumination System of electronic type |
| CN207750842U (en) * | 2018-01-22 | 2018-08-21 | 广州市浩洋电子股份有限公司 | A kind of liquid crystal light modulation stage soft light |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021063138A1 (en) * | 2019-09-30 | 2021-04-08 | 广州市浩洋电子股份有限公司 | Stage light system having beam divergence angle varying with voltage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2153119B1 (en) | Lighting device | |
| US7488097B2 (en) | LED lamp module | |
| CA2036518C (en) | Full spectrum polarized lighting system | |
| US6981784B2 (en) | Side projecting LED signal | |
| TWI271585B (en) | Bottom lighting backlight module having uniform illumination and process for manufacturing the same | |
| TW580551B (en) | Back light and liquid crystal display | |
| KR20080040086A (en) | Illuminator using high output led with high brightness | |
| RU2010130662A (en) | LED LUMINAIRES FOR WIDE-SCALE ARCHITECTURAL LIGHTING | |
| KR20140002696A (en) | Edge-lit modular ceiling tile light fixtures | |
| US20210215320A1 (en) | Luminaire with electrochromic film reflector | |
| CN110701580A (en) | Method for adjusting light beam zooming effect and variable-focus projection lamp | |
| CN210740311U (en) | Variable-focus projection lamp | |
| US5414606A (en) | Lighting fixture | |
| TWI220152B (en) | Liquid crystal display and backlight module thereof | |
| CN103162138B (en) | Multi-purpose flat plate lamp | |
| CN203615093U (en) | Two-sided luminous type plane lamps and lanterns | |
| CN213656440U (en) | LED classroom lamp | |
| CN108954043B (en) | A kind of zoom LED light | |
| JPH06111615A (en) | Dimming method for lighting system | |
| CN110925661A (en) | Zoom spotlight and manufacturing method thereof | |
| CN110671656A (en) | Laser light source module and laser lamp comprising same | |
| CN219889517U (en) | Electric control atomization stroboscopic stage dyeing lamp | |
| CN219036435U (en) | Variable-domain lighting system controlled by electrodeless dimming | |
| CN203671297U (en) | Outdoor optical fiber illuminating lamp | |
| CN219867577U (en) | Desk lamp cap and desk lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |