CN201568777U - Lamplight lighting device with high bright white light - Google Patents
Lamplight lighting device with high bright white light Download PDFInfo
- Publication number
- CN201568777U CN201568777U CN2009202607102U CN200920260710U CN201568777U CN 201568777 U CN201568777 U CN 201568777U CN 2009202607102 U CN2009202607102 U CN 2009202607102U CN 200920260710 U CN200920260710 U CN 200920260710U CN 201568777 U CN201568777 U CN 201568777U
- Authority
- CN
- China
- Prior art keywords
- light
- led
- lighting device
- lens
- white
- 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.)
- Expired - Lifetime
Links
Images
Abstract
A lamplight lighting device with high bright white light comprises a first light source, a light condensing device (4) and a focusing lens used for condensing output light to a light-emitting opening (6); especially, a second light source used for providing white light, a reflecting mirror (74) and a servo unit used for controlling the motion of the reflecting mirror are further included; the reflecting mirror (74) is at least provided with first static status of a light path cutting in between the condensing lens (5) and the light-emitting opening (6) and a second status arranging outside the light path; and in the first static status, the reflecting mirror (74) reflects lights of the second light source to the light-emitting opening (6). By adopting the utility model, the lamplight lighting device has the advantages of convenient status switching, high saturation degree of white light and high efficiency; and the emitted light uniformity can be further enhanced by adopting an integrated lens.
Description
Technical field the utility model relates to the functional character of lighting device or its system, specifically, relates in particular to the lamplit illuminator that is mainly used in such as but not limited to stage.
Background technology LED (light emitting diode) light source is the clean energy-conserving light source of green non-pollution, and its accessible luminous flux design objective is rising year by year.Led light source is mainly used on the colour changing light product of some small-powers, low side at present.
High-power light of stage light source mainly adopts golden halogen discharging bulb.Gold halogen discharging bulb is a white light source, and service life is lower, is generally hundreds of and hour does not wait by thousands of hours.Because of the luminous spectrum of golden halogen discharging bulb is white continuous spectrum, the required different color of light of stage can only be by the colored filter realization that filters, and the pattern that makes light project has lower color saturation, and color is neither bright-coloured, and is also abundant.In order to improve monochromatic color saturation, can filter by the extremely narrow optical filter of utilized bandwidth, its weak point is to reduce monochromatic brightness.
If light of stage adopts led light source, then can save described colored filter, and change the color of light source by the electric current of regulating different base colors LED, thus utilize the higher color saturation of monochromatic LED, the performance free degree of light of stage color is greatly improved.But at present the LED caloric value is big, and luminous efficiency is high not enough, and single led chip can not bear high power, and therefore the high light flux of high-power light of stage often will be realized by led array.
Application number is the light source assembly that 200720061982.0 Chinese patent discloses a kind of stage lighting, adopt a led array and large-scale heat abstractor, the luminous power of one hectowatt can be provided, and can realize the color adjustment by the work of controlling the not homochromy LED in this led array.Its weak point is: based on performance indications such as heat radiation and luminous fluxes, and the consideration of especially exporting the light tone uniformity aspect of light, this light source assembly still can not satisfy the demand of high-power light of stage.
For this reason, our company once proposed in the Chinese patent application, will be a branch of by dividing photosynthetic look device to synthesize from the monochromatic light of a plurality of led array, and can improve the power output of light source and improve light output light tone uniformity.
The above-mentioned prior art weak point of led array that adopts in the stage lighting system is: the golden halogen discharging bulb scheme that the luminous efficiency of system is more traditional when producing white light is low, concrete analysis is: golden halogen discharging bulb is a thermal light source, the efficient of output light is affected by heat hardly, thereby no matter light source output power be that height is low, and the efficient of output light is almost constant.With existing 575 watts of Adjustable head lamps, the luminous flux of its bulb output reaches 49000 lumens, and luminous efficiency is 85 lumens/watt; And the output of the bulb light flux of 1200 watts of Adjustable head lamps reaches 110000 lumen-hours, and luminous efficiency still is 85 lumens/watt.Corresponding with it is, when high-power LED light source adopts monochromatic light to close light generation white light, because the electro-optical efficiency of the led chip of generation green (G) light LED electrical efficiency lower, that produce indigo plant (B) light LED electrical efficiency the highest, that produce red (R) light is placed in the middle at present; And green glow is the highest in the spectral component of white light, ruddiness takes second place, blue light is minimum, in order to adjust white balance, closes the power output that the light time system entails can reduce indigo plant, ruddiness, has caused the low of white light efficient like this, and the big more white light efficient of light source output power is more little.
The summary of the invention the technical problems to be solved in the utility model is at above-mentioned the deficiencies in the prior art part, and proposes a kind of lighting device, with the delivery efficiency of raising high-brightness white-light, and is convenient to the white color temperature is regulated.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of light of stage lighting device that possesses high-brightness white-light is provided, comprises first light source, this first light source comprises the led array that is made of a plurality of led chips that is encapsulated on the heat-radiating substrate; Also comprise the luminous of each led chip is converged into a branch of Multiplexing apparatus that closes light, and the condenser lens that the output light of this Multiplexing apparatus is focused on light-emitting window; Especially, also comprise the secondary light source that is used to provide white light, and a speculum and control the servomechanism installation of this mirror motion; This speculum has first inactive state and second state that places outside this light path of the light path of an incision between described condenser lens and described light-emitting window at least, in described first inactive state, this speculum is the past described light-emitting window of light reflection from described secondary light source.
In the such scheme, described led array comprises that two or more has the led chip of different emission wavelengths; Described Multiplexing apparatus is the light collection assembly with cup-shaped reflecting surface, and the cup end is placed into described led array, and rim of a cup is towards described condenser lens.
In the such scheme, the lighting device comprises three described led array, and each led chip on the same described led array is a homochromy led chip; Described Multiplexing apparatus comprises a photosynthetic look device of branch with three light entrance ends, and three with the corresponding lens arra that comprises plural lenses of described led array, each described lens alignment one LED becomes nearly directional light with the output optical alignment with this LED, and the nearly directional light of three beams that comes from these three lens arras pools a branch of described condenser lens that shoots to by the photosynthetic look device of described branch.
In the such scheme, described secondary light source comprises the led array that is made of a plurality of White-light LED chips, and the lens arra that constitutes by a plurality of collimation lenses, each described collimation lens is aimed at a white light LEDs and is become nearly directional light with the output optical alignment with this white light LEDs; Comprise that also one second condenser lens is to focus on this nearly directional light and the reflection by described speculum shoots to described light-emitting window.
In the such scheme, also comprise filter coating or optical filter, be arranged on the described reflective mirror that this filter coating or optical filter have the wavelength gate action to the light from described first light source back to a side of described secondary light source.
In the such scheme, also comprise the pattern disk that carries one or one above pattern segments; Always there is a described pattern segments to face described light-emitting window.
Adopt above-mentioned each technical scheme, have the high advantage of light utilization ratio easy to implement, easy to adjust, light emitting source.
Description of drawings Fig. 1 has illustrated the light path schematic diagram of the utility model lighting device;
Fig. 2 has illustrated the reflective characteristic of speculum among Fig. 1;
Fig. 3 has illustrated the improvement structure of Fig. 1 embodiment;
Wherein, each Reference numeral is: 1,2,3---first, second and third led chip array, 4---divide photosynthetic look device, 5---condenser lens, 6---light-emitting window, 71---second light emitting source, 72---collimator lens array, 73---second condenser lens, 74---reflective mirror, 81,82---integration lens.
Below the specific embodiment, the most preferred embodiment shown in is further set forth the utility model in conjunction with the accompanying drawings.
Illustrate that as Fig. 1 light path existing lighting device is that example all includes a light source with the stage lighting.Be to improve optical output power, this first light source preferably includes the one or more led array that are made of a plurality of led chips that are encapsulated on the heat-radiating substrate.Multiplexing apparatus 4 is used for each led chip luminous is converged into a branch of light that closes, and the output light of this Multiplexing apparatus focuses on light-emitting window 6 by condenser lens 5.General light of stage lighting device also comprises the pattern disk that carries one or one above pattern segments; Always there is a described pattern segments to face this light-emitting window 6.
Fig. 1 is an example to adopt three led array, and each led chip on the same described led array is a homochromy led chip, for example sends red, green, blue respectively.Described Multiplexing apparatus comprises a photosynthetic look device of branch with three light entrance ends, and for example illustrated X type closes the look filtering apparatus; Also comprise three with the corresponding lens arra that comprises a plurality of collimation lenses of described led array, each described collimation lens is aimed at a LED and is become nearly directional light with the output optical alignment with this LED.The nearly directional light of the three beams of three lens arras shown in coming from closes the look filtering apparatus by described X type and pools a branch of condenser lens 5 that shoots to.Wherein, if the device optical path length is when allowing, the X type closes the look filtering apparatus and can close the look filtering apparatus and replace with closing be arranged in parallel the cascade connection type that forms of colo(u)r filter by two.
If device is not high to the emergent light color type requirements, led array can be reduced to two in the foregoing description, and correspondingly, Multiplexing apparatus only adopts one to close colo(u)r filter and two described lens arras get final product.The nearly directional light of two bundles that comes from these two lens arras shoots to described both sides of closing colo(u)r filter on one side a branch ofly, pools a branch of described condenser lens 5 that shoots to by transmission and reflection way respectively.Even, the occasion not high to the emergent light uniformity requirement, device only needs to adopt a led array to comprise that two or more has the led chip of different emission wavelengths; Multiplexing apparatus adopts the light collection assembly with cup-shaped reflecting surface, and the cup end is placed into described led array, and rim of a cup is towards described condenser lens 5.
In the various embodiments described above, describedly close colo(u)r filter or for the dichroic sheet, perhaps for being coated with the sheet glass of beam split filter coating.
As shown in Figure 1, the utility model device especially comprises the secondary light source that is used to provide white light, and a speculum 74 and control the servomechanism installation (not being illustrated in the index path) of this mirror motion.This speculum 74 have at least one as figure incision as described in condenser lens 5 and as described in first inactive state of light path between the light-emitting window 6.In this first inactive state, this speculum 74 is the past described light-emitting window 6 of light reflection from described secondary light source.This speculum 74 also has second state that places outside this light path, or static, or in moving repeatedly always.Like this,, make speculum 74 be in second state, then export toward described light-emitting window 6 from the light of first light source by described servomechanism installation control when red, green, blue monochromatic light or its secondary colour light time that light will throw high saturation; When light is wanted projects white light, make speculum 74 be in first state by the control of described servomechanism installation, cut off the power supply of first light source simultaneously, to the secondary light source power supply, then white light will offer light-emitting window 6 expeditiously by the reflection of speculum 74.
Described secondary light source can comprise the led array 71 that is made of a plurality of White-light LED chips as shown in Figure 1, and the lens arra 72 that constitutes by a plurality of collimation lenses, each described collimation lens is aimed at a white light LEDs and is become nearly directional light with the output optical alignment with this white light LEDs; Comprise that also one second condenser lens 73 is to focus on this nearly directional light.This embodiment is not exhaustive to the structure of secondary light source or mode, and other existing white light source is also at the row of selection of the present utility model.
The servomechanism installation of controlling 74 motions of described speculum can comprise electronically controlled motor, and the fixed component of speculum and motion transmission member, for example gear train etc.Because of there being multiple mode can realize it in the prior art, so do not give unnecessary details at this.
The utility model device can also comprise filter coating or optical filter, is arranged on the described reflective mirror 74 back to a side of described secondary light source, and this filter coating or optical filter have the wavelength gate action to the light from described first light source.With but be not limited to have Fig. 2 (abscissa represented wavelength, is unit with the nanometer; Ordinate is represented transmitance) shown in the reflective membrane of characteristic be example, this reflective membrane will reflect indigo plant and green glow, and ruddiness is had part transmission effect.Because of red composition in the spectrum of existing white light LEDs emission is often not enough, so when needing hang down colour temperature, the efficient of white light LEDs is not high enough; After adopting this reflective membrane, when light of stage is wanted projects white light, if all or part of red-light LED power supply in first light source is given in control simultaneously, then the high saturated light that is sent by red-light LED converges part penetration mirror 74 and white light and offers light-emitting window 6, thereby plays the effect of regulating output light white colour temperature.
When device output optical uniformity was had relatively high expectations, the utility model device can also also comprise integration lens group 81,82 as shown in Figure 3, respectively to the nearly directional light from first light source or secondary light source cut, homogenising such as integration handles.Perhaps, the utility model device can also adopt the taper light pipe repeatedly to reflect the homogenising purpose that reaches light beam to exporting toward the light of light-emitting window 6.These are no longer illustrated because of using for reference prior art.
Experiment showed, and adopt the utility model illustrated embodiment,, be convenient to mechanical fast rotational and carry out state and switch, and the brightness output of lighting fixture and color have better uniformity because of speculum 74 is comparatively light.
Claims (9)
1. a lighting device that possesses high-brightness white-light comprises first light source, and this first light source comprises the led array that is made of a plurality of led chips that is encapsulated on the heat-radiating substrate; Also comprise the luminous of each led chip is converged into a branch of Multiplexing apparatus (4) that closes light, and the condenser lens (5) that the output light of this Multiplexing apparatus is focused on light-emitting window (6); It is characterized in that:
Also comprise the secondary light source that is used to provide white light, and a speculum (74) and control the servomechanism installation of this mirror motion; This speculum (74) has first inactive state and second state that places outside this light path of the light path of an incision between described condenser lens (5) and described light-emitting window (6) at least, in described first inactive state, this speculum (74) is the past described light-emitting window (6) of light reflection from described secondary light source.
2. according to the described lighting device that possesses high-brightness white-light of claim 1, it is characterized in that:
Described led array comprises that two or more has the led chip of different emission wavelengths; Described Multiplexing apparatus is the light collection assembly with cup-shaped reflecting surface, and the cup end is placed into described led array, and rim of a cup is towards described condenser lens.
3. according to the described lighting device that possesses high-brightness white-light of claim 1, it is characterized in that:
This lighting device comprises two described led array, and each led chip on the same described led array is a homochromy led chip; Described Multiplexing apparatus comprises that one is closed colo(u)r filter and two and the corresponding lens arra that comprises plural lenses of described led array, each described lens alignment one LED becomes nearly directional light with the output optical alignment with this LED, the nearly directional light of two bundles that comes from these two lens arras shoots to described both sides of closing colo(u)r filter on one side a branch ofly, pools a branch of described condenser lens (5) that shoots to by transmission and reflection way respectively.
4. according to the described lighting device that possesses high-brightness white-light of claim 1, it is characterized in that:
This lighting device comprises three described led array, and each led chip on the same described led array is a homochromy led chip; Described Multiplexing apparatus comprises a photosynthetic look device of branch with three light entrance ends, and three with the corresponding lens arra that comprises plural lenses of described led array, each described lens alignment one LED becomes nearly directional light with the output optical alignment with this LED, and the nearly directional light of three beams that comes from these three lens arras pools a branch of described condenser lens (5) that shoots to by the photosynthetic look device of described branch.
5. according to the described lighting device that possesses high-brightness white-light of claim 4, it is characterized in that:
The photosynthetic look device of described branch or be that an X type closes the look filtering apparatus perhaps closes the look filtering apparatus for closing the colo(u)r filter cascade connection type that forms that be arranged in parallel by two.
6. according to claim 3 or the 5 described lighting devices that possess high-brightness white-light, it is characterized in that:
Describedly close colo(u)r filter or for the dichroic sheet, perhaps for being coated with the sheet glass of beam split filter coating.
7. according to the described lighting device that possesses high-brightness white-light of claim 1, it is characterized in that:
Described secondary light source comprises the led array (71) that is made of a plurality of White-light LED chips, and the lens arra (72) that constitutes by a plurality of collimation lenses, each described collimation lens is aimed at a white light LEDs and is become nearly directional light with the output optical alignment with this white light LEDs; Comprise that also one second condenser lens (73) also shoots to described light-emitting window (6) by the reflection of described speculum (74) to focus on this nearly directional light.
8. according to the described lighting device that possesses high-brightness white-light of claim 1, it is characterized in that:
Also comprise filter coating or optical filter, be arranged on described reflective mirror (74) upward back to a side of described secondary light source, this filter coating or optical filter have the wavelength gate action to the light from described first light source.
9. according to the described lighting device that possesses high-brightness white-light of claim 1, it is characterized in that:
Also comprise the pattern disk that carries one or one above pattern segments; Always there is a described pattern segments to face described light-emitting window (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202607102U CN201568777U (en) | 2009-11-19 | 2009-11-19 | Lamplight lighting device with high bright white light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202607102U CN201568777U (en) | 2009-11-19 | 2009-11-19 | Lamplight lighting device with high bright white light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568777U true CN201568777U (en) | 2010-09-01 |
Family
ID=42661066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202607102U Expired - Lifetime CN201568777U (en) | 2009-11-19 | 2009-11-19 | Lamplight lighting device with high bright white light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201568777U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453341A (en) * | 2012-05-31 | 2013-12-18 | 海洋王照明科技股份有限公司 | Lamp |
| JP2016186892A (en) * | 2015-03-27 | 2016-10-27 | セイコーエプソン株式会社 | Light source device, illumination device, and projector |
| CN106308751A (en) * | 2016-08-23 | 2017-01-11 | 江苏鹰利视医疗器械有限公司 | Device for achieving narrow-band or broad-band spectrum combined lighting and method thereof |
| US10837619B2 (en) | 2018-03-20 | 2020-11-17 | Ledengin, Inc. | Optical system for multi-emitter LED-based lighting devices |
-
2009
- 2009-11-19 CN CN2009202607102U patent/CN201568777U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453341A (en) * | 2012-05-31 | 2013-12-18 | 海洋王照明科技股份有限公司 | Lamp |
| CN103453341B (en) * | 2012-05-31 | 2017-07-25 | 海洋王照明科技股份有限公司 | Light fixture |
| JP2016186892A (en) * | 2015-03-27 | 2016-10-27 | セイコーエプソン株式会社 | Light source device, illumination device, and projector |
| CN106308751A (en) * | 2016-08-23 | 2017-01-11 | 江苏鹰利视医疗器械有限公司 | Device for achieving narrow-band or broad-band spectrum combined lighting and method thereof |
| US10837619B2 (en) | 2018-03-20 | 2020-11-17 | Ledengin, Inc. | Optical system for multi-emitter LED-based lighting devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101988630B (en) | Stage lighting system and method thereof for proving high-brightness white light | |
| CN102072463B (en) | The method of lighting fixture and adjustable colors thereof, light wavelength conversion wheel component | |
| CN201568808U (en) | Efficient light-composition stage lighting device | |
| US7902560B2 (en) | Tunable white point light source using a wavelength converting element | |
| CN101988631A (en) | LED stage lighting device and method for improving color uniformity of LED stage lighting device | |
| CN102074637B (en) | Method and structure for encapsulating solid-state luminous chips and light source device using encapsulation structure | |
| CN205350946U (en) | Light source system and lighting system | |
| CN103842719A (en) | Led-based illumination module with preferentially illuminated color converting surfaces | |
| CN201487708U (en) | LED stage light illumination device for improving color uniformity | |
| CN201851899U (en) | Light-mixing lamp with high uniformity | |
| CN203258507U (en) | Light-emitting device and stage lamp system | |
| CN201568777U (en) | Lamplight lighting device with high bright white light | |
| US8087805B2 (en) | Motor-driven, head-displaceable floodlight unit | |
| CN203857315U (en) | LED lighting system with optical fibers | |
| CN201748342U (en) | Optical wavelength converting wheel assembly and lamplight device with same | |
| CN203587953U (en) | Light source, projection display device and optical fiber lighting device | |
| CN101907230B (en) | Stage lighting system and led array | |
| CN204420759U (en) | A kind of LED agricultural is with encouraging lamp | |
| CN103672501B (en) | Light source | |
| CN200982585Y (en) | Light converging module based on LED light source system | |
| CN103649818A (en) | Luminaire emitting light of different colours | |
| KR100991890B1 (en) | Illuminator module using led | |
| CN201526843U (en) | Optical fiber illumination system | |
| CN101373057A (en) | LED light source and outdoor illumination apparatus | |
| CN211558103U (en) | No light guide plate side income formula red green blue COB light source device with spotlight ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Yi Document name: Notification of Passing Examination on Formalities |
|
| DD01 | Delivery of document by public notice | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171109 Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town tea light road on the south side of Shenzhen integrated circuit design and application of Industrial Park 402, 403, 411, 410-1 Patentee after: Shenzhen Yili Ruiguang Technology Development Co.,Ltd. Address before: 3 building, 518057 building, Fangda mansion, Nanshan District hi tech Zone, Shenzhen, Guangdong Patentee before: Shenzhen Appotronics Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |
|
| CX01 | Expiry of patent term |