CN104565923B - A kind of light modulating device - Google Patents
A kind of light modulating device Download PDFInfo
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- CN104565923B CN104565923B CN201410811529.1A CN201410811529A CN104565923B CN 104565923 B CN104565923 B CN 104565923B CN 201410811529 A CN201410811529 A CN 201410811529A CN 104565923 B CN104565923 B CN 104565923B
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- Prior art keywords
- light
- lamp panel
- light source
- led lamp
- led
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
-
- 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
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of light modulating device, described light modulating device includes the pedestal (1) being provided with LED lamp panel (2) and is arranged on the diffuser (4) of described LED lamp panel (2) top, described light modulating device regulates the position of described LED lamp panel (2) by rotating mechanism, LED light source (3) electrified light emitting successively of the different-colour value made in described LED lamp panel (2) in different light-emitting zones, or make the single light-emitting zone in described LED lamp panel (2) be rotatably moved to the position corresponding with the different-colour region on described diffuser.By the invention it is possible to make user without the conversion between functional lighting and sight illumination just can be realized in the case of dismantling light fixture easily, meet psychological in people's productive life and physiological lighting demand.
Description
The present invention be original applying number be 201210590048.3, the LED of former invention entitled adjustable color temperature shines
Bright device, original application day is in December, 2012 divisional application of 30 days.
Technical field
The present invention relates to a kind of light modulating device.Particularly, a kind of LED illumination that can regulate colour temperature is related to
Device.
Background technology
Along with living standard constantly improves, people have been no longer satisfied with single lighting system, lighting colour
Abundant and innervation the most progressively pursued by people.The light source of different-colour can build different luminous environments
Effect and photochromic, thus give people with different mental impressions.By substantial amounts of comparative study, low colour temperature is given
A kind of warmth of people, comfortable, classical sensation, be relatively suitable for the one side of perception, such as chat etc.;Middle colour temperature
To people is a kind of clear, sensation of fashion salubrious, sharp, is suitable for reading, dining etc.;High color temperature to people is
A kind of serious sensation pure, pure and fresh, lucid and lively, the suitableeest rational one side, such as work, manage house
Business etc..
The colour temperature of conventional incandescent or electricity-saving lamp is all fixing, and the colour temperature of usual electric filament lamp is all fixed on
About 2700K, electricity-saving lamp colour temperature is relatively enriched, such as, have 3000K, 4000K, 6400K etc.
Fixed value.But, the colour temperature of these conventional light source is all fixed value, just cannot regulate once manufacture molding and change
Become, typically can only be dimmed by brightness regulation, and cannot accomplish as required flexible colour temperature and
The change of color.
Currently, LED light source is used widely due to the advantage of its energy-conserving and environment-protective.In addition, LED light
The sharpest edges in source are can Based Intelligent Control.Such as, compared with conventional light source, LED light source can either be adjusted
Joint brightness, additionally it is possible to realize the regulation of colour temperature and color.
But, there is number of drawbacks in the LED light source equipment of prior art, is most commonly that light colour temperature and color
Coloured silk can not realize being automatically adjusted, and needs artificial replacing, wastes time and energy.Or although basic realization is automatically adjusted,
But adjustment structure is extremely complex, complex manufacturing, material and processing cost are high, are easily caused light source and set
Standby fault rate is high, and quality is unstable.
Accordingly, it would be desirable to the colour temperature of existing LED light source and the regulatory mechanism of color are improved, it is provided that one
Plant the LED light source that can be automatically adjusted colour temperature and color, there is simple adjustment structure, it is easy to manufacture and use,
And be easy to user and regulate colour temperature and the color that light source emits beam the most easily.
Japan Patent TOHKEMY 2009-245712A (documents 1) discloses a kind of ligthing paraphernalia, beautiful
State's patent US2008/0074279A1 discloses a kind of rotation and flashes blue light.Japan Patent JP is special
Open that 2009-245712A is open to be arranged on the face gear on edge under pedestal circumference and nibble with face gear
The knob being arranged on diffuser support closed, and this invention do not has relevant technical motivation to the present invention yet.
Secondly, United States Patent (USP) US2008/0074279A1 (documents 2) does not the most disclose face gear and rotation
Power drive 2 in button, and this invention is entirely different with the gear of present invention regulation system.See the U.S.
" passive unit 23 is to horizontally rotate peace to patent US2008/0074279A1 description [0028th] section
Be contained in the gear of light source bottom side, gear unit 22 be fixedly mounted at motor 21 outfan little gear and with
Gear 23 engages, alternatively, Rack and gear transmission mode, the band-to-band wheel kind of drive, chain-chain gear transmission side
Any one of formula or the multiple kind of drive is substituted for gear-tooth wheel transmission device.(original text: the driven
member 23is a gearwheel pivoted to the bottom side of the light source 13in
horizontal,and the driving member 22is a pinion fixedly mounted on the
output shaft of the motor 21and meshed with the gearwheel 23.Alternatively,
rack and gear transmission means,belt and belt wheel transmission means,
chain and chain wheel transmission means,or any of a variety of transmission
means may be used to substitute for the pinion and gearwheel transmission
Mechanism.) ", thus it was determined that Motorized drive unit act primarily as transmission rotate effect, this with
The present invention is different.Those skilled in the art open according to United States Patent (USP) US US2008/0074279A1's
Being shown as use, also can only obtain the technology enlightenment installing actuating device in LED light device, therefore, the U.S. is special
Profit US US2008/0074279A1 does not disclose face gear and knob and is not the most given and arranges plane
The technology enlightenment of gear and knob.Finally, above-mentioned two documents are all not disclosed diffuser support and setting
What conducting terminal on diffuser support and position corresponding with conducting terminal in light-emitting zone were arranged leads
Electric contact.Therefore, the present invention compares with documents 1, documents 2 and combination thereof is all non-aobvious and easy
See.
Summary of the invention
It is an object of the invention to provide the LED light device of a kind of adjustable color temperature so that user can be convenient
The colour temperature that regulation LED light device emits beam, obtains the illuminating effect needed.
According to an aspect of the invention, it is provided the LED light device of a kind of adjustable color temperature, including: base
Seat 1, is rotatably arranged on the shell of described LED light device, and its periphery is along being provided with gear;LED
Lamp plate 2, is fixedly installed on pedestal 1;The LED light source 3 of one or more groups different-colour, is arranged on LED
On lamp plate 2;Diffuser 4, is arranged on the top of LED lamp panel 2;Diffuser support 5, is fixedly installed on
On the shell of described LED light device, described diffuser 4 is fixed on diffuser support 5;Knob 6,
Being rotatably arranged on diffuser support 5, its one end is provided with gear;Wherein, described pedestal 1
Gear is mutually twisted with the gear of described knob 6 so that the rotation of described knob 6 can band moving base 1
Rotate, and then drive LED lamp panel 2 to rotate.
Wherein, diffuser support 5 is provided with the conducting terminal of the drive circuit being electrically connected to LED light source
501。
Optionally, described LED light source 3 is the white LED light source of two or more sets different-colours, to be formed
The light-emitting zone 202 of two or more different-colours.
Wherein, each light-emitting zone 202 along the substantially uniform distribution of circumferencial direction of LED lamp panel 2, and
Along with the rotation of LED lamp panel 2 and electrified light emitting in turn.
Wherein, in each described light-emitting zone 202, the position corresponding with conducting terminal 501 is provided with and leads
Electric contact 201, this conductive contact 201 is electrically connected with all LED light sources in its place light-emitting zone 202
Connect.
Wherein, when arbitrary light-emitting zone 202 rotates to the position corresponding with described conducting terminal 501, should
Conductive contact 201 on light-emitting zone 202 contacts with this conducting terminal 501.
Preferably, the LED light source in the light-emitting zone 202 that each two is adjacent has different-colour value.
Wherein, described diffuser 4 is formed as transparent or milky diffuser plate.
Optionally, described LED light source 3 is one group of blue light LED light source, and it forms a light-emitting zone 202.
Wherein, described light-emitting zone 202 is formed at the non-central location of LED lamp panel 2, and be arranged to
The rotation of LED lamp panel 2, the LED light source 3 in this light-emitting zone 202 is electrically connected to conducting end all the time
Son 501.
Optionally, the edge, periphery of described LED lamp panel 2 is provided with the conductive ring being electrically connected to LED light source 3,
This conductive ring contacts with described conducting terminal 501.
Wherein, described diffuser 4 is provided with two or more color temperature regions 404, for realizing at least two
Plant above colour temperature regulation.
Preferably, the color temperature regions 404 that each two is adjacent is provided with the fluorescent material of different-colour value.
Preferably, described color temperature regions 404 be shaped so as to can cover correspondence light-emitting zone 202.
Preferably, diffuser 4 is along the circumferential direction provided with multiple lighttight shading limit with radial direction
403, diffuser 4 is divided into the two or more colors being circumferentially distributed by the plurality of shading limit 403
Temperature area 404.
As it has been described above, the LED light device of the present invention is by the position of rotating mechanism regulation LED lamp panel, make
Obtain the LED light source electrified light emitting successively in different light-emitting zones in LED lamp panel with different-colour value, or
Person makes the single light-emitting zone in LED lamp panel can be rotatably moved to and the different-colour region on diffuser
Corresponding position, thus to realize the function that colour temperature can arbitrarily regulate.
By implementing the present invention, so that user is without just can be very convenient in the case of dismantling light fixture
Realize the conversion between functional lighting and sight illumination, meet psychological in people's productive life and physiological photograph
Bright demand.
It addition, the LED light device of the present invention is simple and reliable for structure, easy to use, have production cost low,
The advantage that reliability is high.
Accompanying drawing explanation
Fig. 1 shows a kind of colour temperature adjustment structure of LED light device in prior art;
Fig. 2 shows the another kind of colour temperature adjustment structure of LED light device in prior art;
Fig. 3 shows the structural representation of LED light device of the present invention;
Fig. 4 shows the LED lamp panel structure schematic diagram of LED light device first embodiment of the present invention;
Fig. 5 shows the diffuser structural representation of LED light device first embodiment of the present invention;
Fig. 6 shows the LED lamp panel structure schematic diagram of LED light device the second embodiment of the present invention;
Fig. 7 shows the diffuser structural representation of LED light device the second embodiment of the present invention;
Fig. 8 a shows the three-dimensional cutaway view in LED light device front;
Fig. 8 b shows the three-dimensional cutaway view at the LED light device back side.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with specific embodiment party
Formula referring to the drawings, the present invention is described in more detail.It should be understood that these describe the most exemplary,
And it is not intended to limit the scope of the present invention.Additionally, in the following description, eliminate known features and technology
Description, to avoid unnecessarily obscuring idea of the invention.
Rotating fields schematic diagram according to embodiments of the present invention shown in the drawings.These figures are not in proportion
Draw, the most for purposes of clarity, be exaggerated some details, and some details may be eliminated.
Various regions shown in figure, the shape of layer and the relative size between them, position relationship only show
Example, reality is likely to be due to manufacturing tolerance or technical limitations and deviation, and people in the art
Member has difformity, size, the regions/layers of relative position according to actually required can additionally design.
Fig. 1 shows a kind of colour temperature adjustment structure of LED light device in prior art.
In the colour temperature adjustment structure of the prior art shown in Fig. 1, main employing circuit control and regulation colour temperature
Scheme.As it is shown in figure 1, LED light device includes LED light source 500, drive circuit 400, diffuser
600 and heat sink assembly 100,200 and 300.Wherein, LED light source 500 is by two kinds of different-colours
Light source composition, be connected respectively to different drive circuits 400.Drive circuit 400 is electrically connected to LED light
Source 500, is used for driving LED light source 500 luminous.Diffuser 600 is arranged on sending out of LED light source 500
On light route, it is used for making uniform light dissipate.Heat sink assembly includes fin 100, heat pipe 200 and
Absorber plate 300, for absorbing the heat of the generation of LED light source 500, and by fin 100, heat conduction
Pipe 200 distributes heat in air.
It is provided with two set drive circuits 400 in the structure shown here, for respectively to LED cold light source and LED warm light
Source powers, and controls often to organize the driving size of current of light source by circuit, thus controls often to organize the strong of light source igniting
Degree, produces the combined light source of different-colour, it is achieved the purpose of colour temperature regulation.
This structure actually uses the two independent light source of set and drives system, the consumption right and wrong of LED
2 times of dimming arrangement.In production practices, can be by the highest for multiple LED light sources of different-colour
Density staggered, has the LED light source of half do not do work or do work the most completely at work, makes
Become the wasting of resources.It addition, this resolution circuitry design complexity, complex production process, material and processing cost
High.Further, dead lamp situation once occurs, it may appear that the phenomenon that whole group of light source does not works, thus cause colour temperature not
Uniform problem.
Fig. 2 shows the another kind of colour temperature adjustment structure of LED light device in prior art.
In the colour temperature adjustment structure shown in Fig. 2, mainly include LED light source 10 and light transmission piece 20.This is saturating
Being coated with colour temperature transition material on mating plate 20, it is arranged on the light emission direction of LED light source 10 so that
The light that LED light source 10 sends is through light transmission piece 20 and produces colour temperature change, thus reaches light regulating color
The purpose of temperature.
In such an embodiment, multiple diffuser with different-colour fluorescent material is generally set in illuminator,
The regulation of colour temperature is realized by the different diffuser of artificial replacing.Although this scheme cost is relatively low, but
Actual application needs to prepare the fluorescent material lampshade of various different-colour, for lampshade itself application certainly than
Cumbersome.And in actual illumination place, because safety and the problem of the instrument of replacing, do not allow consumer
Carry out on-the-spot replacing.Simultaneously as consider the convertibility of lampshade, fitting structure design will necessarily consider removable
Unloading property, thus have influence on the barrier propterty of light fixture.
Fig. 3 shows the structural representation of LED light device of the present invention.
As it is shown on figure 3, the LED light device of the present invention includes pedestal 1, LED lamp panel 2, two groups or many
The parts such as the group LED light source 3 of different-colour, diffuser 4, diffuser support 5, knob 6.
Pedestal 1 is rotatably arranged in the shell (not shown) of illuminator.Pedestal 1 preferably forms
For substantially disc-shape, its periphery is along being provided with gear.It is provided with installation component on the back side of pedestal 1, uses
In illuminator is assembled on shell.
LED lamp panel 2 is fixedly installed on pedestal 1, such that it is able to rotate along with the rotation of pedestal 1.?
In embodiments of the invention, LED lamp panel 2 is preferably formed as substantially disc-shape with the shape with pedestal 1
Coordinate.
LED light source 3 is arranged in LED lamp panel 2 to form light-emitting zone.In the present invention, can be at LED
Arranging the LED light source of one or more groups different-colour on lamp plate 2, often group LED light source includes one or more
There is the LED light source of identical color temperature value, thus in LED lamp panel 2, form two or more different-colour
Light-emitting zone.
The non-contacting top being arranged on LED lamp panel 2 of diffuser 4, is i.e. arranged on LED light source 3 and launches
In the direction of advance of light.Diffuser 4 is shaped generally as disc-shape, can be flat shape or arc surfaced
Shape, can be as the criterion with the form fit of LED lamp panel so that diffuser 4 can cover sending out of LED lamp panel
Light region.
Diffuser support 5 is fixedly installed on the shell of LED light device, and described diffuser 4 is fixed
On diffuser support 5.Preferably, diffuser support 5 is shaped generally as toroidal.
Knob 6 is rotatably arranged on diffuser support 5, and the near one end of knob 6 is provided with gear,
For being mutually twisted with the gear on edge, pedestal 1 periphery, the other end is provided with rotary handle, it is simple to Yong Hucao
Make knob 6 to rotate.Operating for the convenience of the user, this rotary handle is generally arranged at the housing of LED light device
Outside.
In the preferred embodiment shown in Fig. 3, gear is arranged on edge under the circumference of pedestal 1.Optionally, also
Gear can be set in the circumference outer of pedestal 1, and accordingly the gear of knob 6 is set to and pedestal 1
The engaged gears of circumference outer.
Fig. 4 shows the LED lamp panel structure schematic diagram of LED light device first embodiment of the present invention.
As shown in Figure 4, LED lamp panel 2 is provided with the LED light source 3 of two or more sets different-colours,
Forming the light-emitting zone of two or more different-colour, often group LED light source 3 includes one or more having phase
LED light source with color temperature value.Preferably, the LED light source in the light-emitting zone that each two is adjacent has difference
Color temperature value.As shown in Figure 4, each light-emitting zone is along substantially uniform point of the circumferencial direction of LED lamp panel 2
Cloth, along with the rotation of LED lamp panel 2, each light-emitting zone electrified light emitting in turn.In the present invention, LED light
Source preferably uses the white LED light source with different-colour value, but the present invention is not restricted to this, it is also possible to
Use the LED light source of other colors.
In the embodiment shown in fig. 4, peripherally disposed in LED lamp panel 2 have three fan-shaped luminous zones
Territory 202, is provided with one group of LED light source 3, thus forms three differences in each described light-emitting zone 202
The light-emitting zone of colour temperature, such as 3000k, 4500k or 6000k.But, the present invention is not restricted to this,
Can also be formed as the light-emitting zone of two or more different-colour, these color temperature regions are along LED lamp panel 2
The generally uniform distribution of circumferencial direction.In each described light-emitting zone 202, one group of LED light source of setting
Including one or more LED light sources with identical color temperature value, such as 1,2,3 or more.
Although it is not shown, the LED light device of the present invention necessarily includes drive circuit, for LED light source
There is provided and drive electric current to make it luminous.As it is shown on figure 3, on diffuser support 5 with LED in LED lamp panel 2
The position that the power device of light source 3 is corresponding is provided with two conducting terminals 501 of both positive and negative polarity, conducting terminal electricity
It is connected to LED light source drive circuit.On the other hand, as shown in Figure 4, each in LED lamp panel 2
In light region 202, the position corresponding with conducting terminal 501 is provided with the power device of LED light source 3,
Such as two conductive contacts 201 of both positive and negative polarity, conductive contact 201 is all of with in place light-emitting zone 202
LED light source electrically connects.
The position of conductive contact 201 is arranged to make it can contact with conducting terminal 501 so that LED light
Source can be electrically connected to drive circuit by conducting terminal 501, and then drives it luminous.Specifically, with
The rotation of LED lamp panel 2, when any one light-emitting zone 202 rotates to and the conduction on diffuser support 5
During the position of terminal 501 correspondence, the conductive contact 201 on this light-emitting zone 202 can and conducting terminal 501
Contact, so that all LED light sources of this light-emitting zone 202 are electrically connected to drive circuit and electrified light emitting.
Fig. 5 shows the diffuser structural representation of LED light device first embodiment of the present invention.
Seeing Fig. 5, diffuser 4 uses transparent or semitransparent transmitting substrate to be formed.Such as, transmitting substrate
Can be the materials such as glass, plastics, resin, rubber or silica gel, and be formed as transparent or milky diffusion
Plate, carries out softening or DIFFUSION TREATMENT for emitting beam LED light source 3.
Fig. 6 shows the LED lamp panel structure schematic diagram of LED light device the second embodiment of the present invention.
Fig. 7 shows the diffuser structural representation of LED light device the second embodiment of the present invention.
As shown in Figure 6, in a second embodiment, LED lamp panel 2 is provided with one group of LED light source 3, should
Group LED light source 3 includes one or more LED light source with identical color temperature value, thus forms a luminescence
Region 202.As shown in Figure 6, light-emitting zone 202 is formed at the non-central position on LED lamp panel 2 circumference
Putting place, LED light source 3 therein is arranged to electrically connect and electrified light emitting with conducting terminal 501.As a result, with
The rotation of LED lamp panel 2, the position of this light-emitting zone 202 is in rotary moving also along circumferencial direction.This
In bright, LED light source preferably uses blue light LED light source, but the present invention is not restricted to this, it would however also be possible to employ
The LED light source of other colors.
In the present embodiment, the lighttight wall 203 that is in the light preferably is set in LED lamp panel 2, at LED
A light-emitting zone 202 is limited on lamp plate 2.One or more LED light sources 3 are arranged on by the wall that is in the light
In the light-emitting zone 202 that 203 limit, thus block the light in this light-emitting zone and be irradiated to other colour temperatures
Region, causes light leak or mixed light.
The wall 203 that is in the light uses light-proof material to constitute, the function that having shuts out the light passes through.Preferably, may be used
Be formed as fitting to the shading limit of diffuser with the height by the wall 203 that is in the light, it is to avoid cause light leak or astigmatism,
Thus obtain the optimal effect that is in the light.
On the other hand, as it is shown in fig. 7, be provided with two or more color temperature regions 404 on diffuser 4, use
In the colour temperature regulation realizing more than at least two kinds.Specifically, on diffuser 4 along the circumferential direction and radius
Direction is provided with multiple shading limit 403, and diffuser 4 is divided into circumferentially side by the plurality of shading limit 403
To two or more color temperature regions 404 of distribution, each described color temperature regions 404 is provided with identical or not
With the fluorescent material of color temperature value, with the regulation colour temperature by the light of this color temperature regions.Preferably, each two phase
Adjacent color temperature regions 404 arranges the fluorescent material of different-colour value.
In an embodiment of the present invention, described color temperature regions 404 be shaped so as to can cover correspondence send out
Light region 202, to guarantee that the light that light-emitting zone 202 sends can be all by corresponding color temperature regions 404.
Preferably, the multiple color temperature regions 404 on diffuser 4 are formed as being distributed uniformly and circumferentially and having phase
The sector region of similar shape.
Such as, in the embodiment shown in fig. 7, the shading limit 403 that each two is adjacent limits a fan-shaped color
Temperature area 404, thus diffuser 4 is divided into multiple such fan-shaped color temperature regions, each fan-shaped colour temperature
Region 404 is provided with the plurality of color such as the fluorescent material of different-colour, such as 3000k, 4500k, 6000k
Temperature value.
In said structure, shading limit 403 uses light-proof material to constitute, the merit that having shuts out the light passes through
Can, scatter to the color temperature regions on side for blocking the light in the color temperature regions of place to such an extent as to cause the most homochromy
Mixed light between temperature area.
Although it is not shown, the LED light device of the present embodiment necessarily includes drive circuit, for LED light
Source provides and drives electric current to make it luminous.Unlike first embodiment, diffuser support 5 in the present embodiment
On conducting terminal 501 be arranged to the LED light source that is electrically connected on light-emitting zone 202 all the time.Such as,
But the present invention is not restricted to this, leading of LED light source can be electrically connected in the periphery of LED lamp panel 2 along setting
Electricity annulus, this conductive ring includes two annulus of positive and negative polarities, connects with both positive and negative polarity conducting terminal 501 respectively
Touch.As such, it is possible to make the LED light source in LED lamp panel 2 be electrically connected to drive circuit all the time.Namely
Saying, no matter which position light-emitting zone 202 rotates to, and the LED light source on this light-emitting zone 202 is all protected
Hold electrified light emitting.
The operation principle of second embodiment of the invention is described below.
See Fig. 6 and Fig. 7, along with the rotation of LED lamp panel 2, the position of this light-emitting zone 202 also along
Circumferencial direction is in rotary moving, thus is sequentially moved to corresponding with each color temperature regions 404 on diffuser 4
Position, realizes light colour temperature by the color temperature regions of corresponding position and regulates.Such as, when light-emitting zone 202
When moving to the position corresponding with the color temperature regions 404 of color temperature value 4500k, the fluorescent material in this color temperature regions
Regulate the colour temperature by light therein, thus send the light of 4500k colour temperature, it is achieved what user needed sends out
Light color temperature.
Fig. 8 a shows that the three-dimensional cutaway view in LED light device front, Fig. 8 b show that LED illumination fills
Put the three-dimensional cutaway view at the back side.
As figures 8 a and 8 b show, LED lamp panel 2 is fixedly installed on pedestal 1, and pedestal 1 is rotatable
It is arranged in the shell (not shown) of illuminator.One or more groups LED light it is provided with in LED lamp panel 2
Source 3, forms one or more light-emitting zone.When the rotary handle of user's rotary knob 6 one end, rotation
The gear of button 6 the other end rotates accordingly, by being engaged between knob 6 gear with pedestal 1 gear, makes
The pedestal 1 that rotarily drives obtaining knob 6 rotates, the LED lamp panel 2 also synchronous rotary being fixed on pedestal 1,
The light-emitting zone 202 in LED lamp panel 2 is made to be sequentially moved to the position corresponding with conducting terminal 501,
LED light source in this light-emitting zone is electrically connected to drive circuit by conductive contact or conductive ring, and energising is sent out
The light of injection different-colour value, this light sent by directive after the diffuser 4 that is disposed over outside.
In the present invention, LED lamp panel can realize clockwise or counterclockwise.
As it has been described above, the LED light device of the present invention is by the position of rotating mechanism regulation LED lamp panel, make
Obtain the LED light source electrified light emitting successively in different light-emitting zones in LED lamp panel with different-colour value, from
And to realize the function that colour temperature can arbitrarily regulate.
By implementing the present invention, so that LED light source carries out functional lighting and sight illumination easily
Between change, meet psychological in people's productive life and physiological lighting demand.Light modulation machine with prior art
System is compared, and the LED light device of the present invention has an advantage that
(1) using single light source, quantity is few, and the cost of raw material is low;Circuit design is simple, and welding cost is low.
(2), in prior art, the light decay of LED light source is largely because the decay of fluorescent material and causes.
Packaged light source of the present invention uses contactless encapsulation, and LED chip separates with fluorescent material, and LED chip produces
Heat is less on the impact of fluorescent material, and the stability of fluorescent material is higher, and service life is longer.
(3) colour temperature is easy to adjust, it is not necessary to dismounting lampshade can carry out the regulation of colour temperature, simple to operate;Favorably
Protection in lamp interior element.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or explains this
The principle of invention, and be not construed as limiting the invention.Therefore, without departing from the spirit and scope of the present invention
In the case of any modification, equivalent substitution and improvement etc. done, should be included in protection scope of the present invention
Within.Additionally, claims of the present invention be intended to fall into scope and border or
Whole in the equivalents on this scope of person and border change and modifications example.
Claims (9)
1. a light modulating device, it is characterised in that described light modulating device includes being provided with LED lamp panel (2)
Pedestal (1) and be arranged on described LED lamp panel (2) top diffuser (4), described light modulating device lead to
Cross rotating mechanism and regulate the position of described LED lamp panel (2) so that the upper difference of described LED lamp panel (2)
LED light source (3) electrified light emitting successively of the different-colour value in light-emitting zone, or make described LED
Single light-emitting zone on lamp plate (2) is rotatably moved to corresponding with the different-colour region on described diffuser
Position;
Described pedestal (1) can be rotatably set on the shell of described light modulating device, and its periphery is along being provided with tooth
Wheel,
Described diffuser (4) is fixed on diffuser support (5),
Rotatable knob (6) it is provided with on described diffuser support (5), and described knob (6)
One end is provided with gear,
The gear of described pedestal (1) is mutually twisted with the gear of described knob (6) so that described knob (6)
Rotation can the rotation of band moving base (1), and then drive LED lamp panel (2) to rotate.
2. light modulating device as claimed in claim 1, it is characterised in that described LED light source (3) is many
The LED light source of group different-colour, forms the light-emitting zone (202) of multiple different-colour, each described luminous zone
Territory (202) is along the generally uniform distribution of circumferencial direction of described LED lamp panel (2).
3. light modulating device as claimed in claim 2, it is characterised in that the described luminous zone that each two is adjacent
Described LED light source (3) in territory has different color temperature values, often organizes LED light source (3) and includes one
Or the LED light source of multiple identical colour temperature.
4. light modulating device as claimed in claim 1, it is characterised in that described LED light source (3) is
Organize the LED light source of identical colour temperature, form a light-emitting zone (202), described light-emitting zone (202) shape
Become at the non-central location on the circumference of described LED lamp panel (2).
5. light modulating device as claimed in claim 4, it is characterised in that described LED lamp panel sets on (2)
Be equipped with the lighttight wall that is in the light (203), described in the wall (203) that is in the light limit described LED lamp panel (2) is upper
Go out described light-emitting zone (202).
6. light modulating device as claimed in claim 5, it is characterised in that described diffuser (4) is upper along circle
Circumferential direction and radial direction arrange multiple shading limit (403), and the plurality of shading limit (403) is by diffuser (4)
It is divided into the multiple color temperature regions (404) being along the circumferential direction distributed.
7. light modulating device as claimed in claim 6, it is characterised in that each described color temperature regions (404)
In be provided with the fluorescent material of identical or different color temperature value, the described color temperature regions (404) that each two is adjacent sets
Put the fluorescent material of different-colour value.
8. light modulating device as claimed in claim 6, it is characterised in that described color temperature regions (404)
It is shaped so as to cover the described light-emitting zone (202) of correspondence, to guarantee described light-emitting zone (202)
The light sent can be all by corresponding described color temperature regions (404).
9. light modulating device as claimed in claim 1, it is characterised in that described diffuser support (5)
On be provided with two conducting terminals (501) of both positive and negative polarity, described conducting terminal (501) is electrically connected to LED light
The drive circuit in source, described LED light source (3) is electrically connected to drive electricity by conductive contact or conductive ring
Road.
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CN201410811529.1A CN104565923B (en) | 2012-12-30 | 2012-12-30 | A kind of light modulating device |
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CN201410811529.1A CN104565923B (en) | 2012-12-30 | 2012-12-30 | A kind of light modulating device |
CN201210590048.3A CN103062659B (en) | 2012-12-30 | 2012-12-30 | Light emitting diode (LED) illuminating device capable of adjusting color temperature |
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CN201210590048.3A Division CN103062659B (en) | 2012-12-30 | 2012-12-30 | Light emitting diode (LED) illuminating device capable of adjusting color temperature |
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CN104565923A CN104565923A (en) | 2015-04-29 |
CN104565923B true CN104565923B (en) | 2016-09-28 |
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CN105357808B (en) * | 2015-12-12 | 2017-06-13 | 重庆信德电子有限公司 | LED that can be with an automatic light meter |
CN116792695B (en) * | 2023-05-09 | 2024-05-03 | 深圳市雅尚光电有限公司 | Multifunctional adjustable light source with more than three color temperatures |
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JP2007134269A (en) * | 2005-11-14 | 2007-05-31 | Nikon Corp | Light source device |
CN101038067A (en) * | 2005-12-21 | 2007-09-19 | 史向前 | Automatic controlled colorful changing floodlight device |
JP2009245712A (en) * | 2008-03-31 | 2009-10-22 | Stanley Electric Co Ltd | Illumination fixture |
CN101725887B (en) * | 2008-10-29 | 2011-04-06 | 艾笛森光电股份有限公司 | Light source device capable of switching different color temperature surfaces |
CN102691904A (en) * | 2012-04-24 | 2012-09-26 | 厦门阳光恩耐照明有限公司 | Light emitting device with adjustable color temperature and color rendering index and lamp provided with light emitting device |
CN102759035A (en) * | 2012-06-25 | 2012-10-31 | 达亮电子(苏州)有限公司 | Lamp-tube-replaceable lamp |
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