CN204901557U - Illuminating effect adjustable LED spotlight - Google Patents
Illuminating effect adjustable LED spotlight Download PDFInfo
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- CN204901557U CN204901557U CN201520606372.9U CN201520606372U CN204901557U CN 204901557 U CN204901557 U CN 204901557U CN 201520606372 U CN201520606372 U CN 201520606372U CN 204901557 U CN204901557 U CN 204901557U
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Abstract
The utility model relates to a lighting apparatus technical field, concretely relates to an illuminating effect adjustable LED spotlight, include: support frame, LED light source and secondary optical portion, the LED light source is polychrome temperature light source, and set up in on the support frame, secondary optical portion is located the emergent light direction of LED light source, and set up in on the support frame, secondary optical portion includes the battery of lens and is used for the adjustment the focusing device of the distance in the battery of lens between the lens, the battery of lens includes collimating lens and the fresnel lens who follows the light emitting direction and set gradually. The utility model provides a pair of illuminating effect adjustable LED spotlight, the occasion of different colour temperatures and luminance demand can be applied to to this LED spotlight to the illuminating effect is better.
Description
Technical field
The utility model relates to technical field of lighting fixtures, particularly relates to a kind of LED spotlight, relates more specifically to the LED spotlight that a kind of illuminating effect is adjustable.
Background technology
Green, LED application technologies that are energy-saving and environmental protection deepen continuously the every aspect of society and life, reduce discharging, Creating Green life brings huge benefit to social energy conservation.In professional domains such as the studio of TV station, direct broadcasting rooms, in most stage still resting on the traditional 2000W tengsten lamp of use, cause the waste of the energy, effect that is green, environmental protection can not be reached.Its main cause be current LED spotlight compared with traditional 2000W tengsten lamp, also there is a big difference for the illumination of its fixed range, hot spot effect and colour rendering index.
At present, outdoor interview, TV station studio and products propaganda photograph taking place all need to adopt LED spotlight to improve lighting effects, and light fixture is the flat LED light fixture of area source and the LED spotlight of simple secondary optics adjustable focal length respectively.In prior art, general LED light source adopts single color temperature light sources, but, single color temperature light sources can only carry out the use of single scene, do not possess the function that a kind of LED spotlight is applied to multiple different-colour and brightness demand occasion, and when LED light source adopts multi color temperature light source, there will be again hot spot effect and the bad problem of light mixing effect.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model there is provided the adjustable LED spotlight of a kind of illuminating effect, and this LED spotlight can be applied to the occasion of different-colour and brightness demand, and illuminating effect is better.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides the adjustable LED spotlight of a kind of illuminating effect, comprising: bracing frame, LED light source and secondary optics part; Described LED light source is multi color temperature light source, and is arranged on support frame as described above; Described secondary optics part is positioned on the emergent light direction of LED light source, and is arranged on support frame as described above; Described secondary optics part comprises set of lenses and the focus control for adjusting the distance in described set of lenses between lens; Described set of lenses comprises the collimation lens and Fresnel Lenses that set gradually along beam projecting direction.
Further, aforementioned multi color temperature light source comprises substrate, and described substrate is provided with the LED of at least two kinds of colour temperatures, by opening and closing the described LED of different-colour and changing the electric current flow through in described LED, thus changes the colour temperature of described multi color temperature light source.
Further, the described LED of often kind of colour temperature is respectively multiple, and between the described LED of various colour temperature, interval is arranged respectively.
Further, the reference color temperature of aforementioned multi color temperature light source is 2700K-6500K.
Further, aforementioned multi color temperature light source is provided with radiator, and described radiator is thermal column radiator and/or phase change technique radiator, and described radiator is bonding by heat-conducting cream fat with described multi color temperature light source.
Further, the cooling air channel for cooling described radiator is also comprised; Described cooling air channel is arranged on support frame as described above, and one end of described cooling air channel connects described radiator, and it is outside that the other end is communicated with LED spotlight, and be provided with fan in this cooling air channel.
Further, aforementioned cooling air channel is extension sleeve, described extension sleeve comprises thermal insulation cylinder and skeleton, described skeleton is for supporting described thermal insulation cylinder, described thermal insulation cylinder is soft material, and described thermal insulation cylinder can along its axial elongation or shortening, and one end of described thermal insulation cylinder is communicated with LED spotlight outside, the other end connects described radiator, and described fan to be arranged in described thermal insulation cylinder and near described radiator.
Further, aforementioned collimation lens comprises the coaxial first surface, the second curved surface and the 3rd curved surface that arrange, described second curved surface is used for reflective, described second curved surface is parabola and its vertex position offers laser pump cavity, described 3rd curved surface is used for mixed light, described 3rd curved surface to be arranged in described laser pump cavity and to be positioned in the focus of described second curved surface, and described first surface is used for optically focused, and described first surface is arranged on the opening of described second curved surface.
Further, also comprise control section, described control section comprises controller, temperature sensor, drive circuit and human-computer interaction device, described human-computer interaction device sends instruction to described controller, described controller sends drive singal to described drive circuit, described drive circuit drives described multi color temperature light source, and described temperature sensor gathers the temperature information of described multi color temperature light source, and passes to described controller.
Further, aforementioned focus control is also provided with motor, described controller controls described motor to realize the automatic focusing to described multi color temperature light source.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect:
The LED spotlight that the illuminating effect that the utility model provides is adjustable is by changing colour temperature and the brightness of multi color temperature light source, and the distance between focus control adjustment lens realizes illumination, the hot spot effect of distance lamp body fixed range, with satisfied different scene lighting demand, enable this LED spotlight in TV station studio, outdoor interview and products propaganda photograph taking place obtain large-scale application.
In the LED spotlight that the illuminating effect that the utility model provides is adjustable, set of lenses comprises collimation lens and Fresnel Lenses, collimation lens i.e. TIR lens, by the optical treatment of complexity, mixed light is carried out to light, and then to coordinate with Fresnel and realize the light modulation that light modulation can realize multi color temperature light source lamp, the problem such as to demarcate between different-colour when significantly can reduce hot spot skewness, imaging obvious.
The LED spotlight that the illuminating effect that the utility model provides is adjustable, by optimizing heat conduction and heat radiation design, the radiating effect improved, make light fixture itself energy-conservation more than 80%, caloric value also by reducing product reduces its energy consumption indirectly, brings the social exemplary role of green, environmental protection while bringing good economic benefits.
Accompanying drawing explanation
Fig. 1 is the front view of the adjustable LED spotlight of the utility model illuminating effect;
Fig. 2 is that the A-A of the LED spotlight that in Fig. 1, illuminating effect is adjustable is to sectional view.
Wherein, 1-air inlet rear end cap; 2-housing; 3-cooling air channel; 4-focus control; 5-lamp body supporting component; 6-fan; 7-radiator; 8-LED light source; 9-collimation lens; 10-Fresnel Lenses; 11-control section; 12-lamp adapter assembly; 13-bracing frame; 14-motor.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the utility model.
Embodiment one
As illustrated in fig. 1 and 2, the LED spotlight that the utility model embodiment provides a kind of illuminating effect adjustable, comprising: bracing frame 13, LED light source 8 and secondary optics part;
Bracing frame 13 is provided be arranged at the adjustable LED spotlight rear end of illuminating effect housing 2, for the adjustable LED spotlight of suspension lighting effect lamp body supporting component 5 and be arranged on the lamp adapter assembly 12 of the adjustable LED spotlight front end of illuminating effect.
Wherein, LED light source 8 is multi color temperature light source, and multi color temperature light source is arranged on support frame as described above 13; Secondary optics part to be arranged on bracing frame 13 and to be positioned on the emergent light direction of described LED light source 8, and is arranged on support frame as described above 13; This secondary optics part comprises set of lenses and the focus control 4 for adjusting the distance in set of lenses between lens.LED spotlight adjusts the focal length of this spotlight by focus control 4 distance adjusted between lens, realizes illumination, the hot spot effect of distance lamp body fixed range, with satisfied different scene lighting demand.
Particularly, as shown in Figure 2, the set of lenses of the present embodiment comprises the collimation lens 9 and Fresnel Lenses 10 that set gradually along beam projecting direction, first carries out mixed light by collimation lens 9 pairs of multi color temperature light sources, carry out optically focused by Fresnel Lenses 10 again, improve lighting effect.Wherein, collimation lens 9 comprises the coaxial first surface, the second curved surface and the 3rd curved surface that arrange, second curved surface is used for reflective, second curved surface is parabola and its vertex position offers laser pump cavity, 3rd curved surface is used for mixed light, 3rd curved surface to be arranged in laser pump cavity and to be positioned in the focus of the second curved surface, and first surface is used for optically focused, and first surface is arranged on the opening of the second curved surface.It should be noted that, first surface can be smooth curved surface, also can be the curved surface of surperficial uniform grid or projection, and the 3rd curved surface can be smooth curved surface, also can be stair-stepping curved surface.Preferably, flat collimation lens 9 selected by this collimation lens 9.
Multi color temperature light source comprises substrate, and substrate is provided with the LED of at least two kinds of colour temperatures, by opening and closing the LED of different-colour and changing the electric current flow through in LED, thus changes the colour temperature of multi color temperature light source.Wherein, the LED of often kind of colour temperature is respectively multiple, and between the LED of various colour temperature, interval is arranged respectively.The reference color temperature of multi color temperature light source is 2700K-6500K.It is the LED of two kinds of colour temperatures in the present embodiment, its colour temperature is respectively 2700K and 6500K, by opening and closing the LED of different-colour and changing in LED the electric current flow through, make that its colour temperature can changing into TV station is respectively the light source of 3200K, the colour temperature in products propaganda photograph taking place be the light source of 4400K and the colour temperature of outdoor interview is the light source of 5600K.Generally, according to scene needs, can carry out the collocation of multiple LED spotlight and use, a LED optically focused is placed in such as front, two sides are respectively placed a LED optically focused and carried out collocation use.
Wherein, substrate can adopt aluminium, copper or pottery to make.Use heat conduction system to be more than or equal to the aluminium base of 100W/mK, copper base or ceramic substrate, improve the radiating effect of high-power LED light source 8.Further, increase substrate area to more than 450 square millimeters simultaneously, improve the radiating effect that LED light source 8 is longitudinal and horizontal.
In order to further improving radiating effect, multi color temperature light source is provided with radiator 7, and radiator 7 is thermal column radiator 7 and/or phase change technique radiator 7, and radiator 7 is bonding by heat-conducting cream fat with multi color temperature light source.The thermal conductivity factor of heat-conducting cream fat is more than or equal to 4W/mK.
Further again, LED spotlight is provided with the cooling air channel 3 for cooling radiator 7; Cooling air channel 3 is arranged on bracing frame 13, one end of cooling air channel 3 connects described radiator 7, it is outside that the other end is communicated with LED spotlight, cooling air channel 3 is provided with air inlet rear end cap 1 in the rear end of spotlight, be communicated with by the cold air of this air inlet rear end cap 1 with this LED spotlight external world, and be provided with fan 6 in cooling air channel 3.The optional fan with having mute function of fan 6.
Wherein, in order to ensure that pipe safety runs, cooling air channel 3 is extension sleeve, extension sleeve comprises thermal insulation cylinder and skeleton, and skeleton is for supporting thermal insulation cylinder, and thermal insulation cylinder is soft material, and thermal insulation cylinder can along its axial elongation or shortening, it is outside that one end of thermal insulation cylinder is communicated with LED spotlight, and the other end connects radiator 7, and fan 6 to be arranged in thermal insulation cylinder and near radiator 7.In the present embodiment, fan 6 can be supply fan, make cooling air channel 3 can blow on radiator 7 continually by the cold air of this LED spotlight outside, thermal insulation cylinder makes the cold air in cooling air channel 3 and the hot-air in lamp body separate, the hot-air avoided in lamp body is blown on radiator 7 by fan 6 circulation, and it also avoid part and take away the hot-air of heat on radiator 7 in the inner constantly circulation of lamp body, reach good radiating effect.Fan 6 can also be scavenger fan, the hot-air on radiator 7 is extracted into LED spotlight through thermal insulation cylinder outside, avoids hot-air by carry heat to lamp body simultaneously, it also avoid hot-air at lamp body Inner eycle, cause radiating efficiency to reduce.In addition, thermal insulation cylinder can also comprise bellow-type expansion joint, slip expansion joint or square natural compensation telescopic joint, its for compensating extraction duct axis, transverse direction, angle are heated the dilatation caused.
In the present embodiment, also comprise control section 11, control section 11 comprises controller, temperature sensor, drive circuit and human-computer interaction device, human-computer interaction device sends instruction to controller, controller sends drive singal to drive circuit, drive circuit drives multi color temperature light source, temperature sensor gathers the temperature information of multi color temperature light source, and pass to controller, the temperature maximum of controller and its storage contrasts, if temperature information is greater than temperature maximum, then controller controls drive circuit, and multi color temperature light source is quit work.It should be noted that, the human-computer interaction device in the present embodiment can be the combination of LCD display, keyboard, adjusting knob, by the change of the colour temperature of Keyboard Control multi color temperature light source, by the size of knob regulating illumination brightness; Also can be touch screen displays, be realized the change of colour temperature and the adjustment to illumination brightness by touch screen.In the present embodiment, temperature sensor is thermocouple.Controller in the present embodiment is single-chip microcomputer.
Wherein, control section 11 also comprises power supply, and the power supply in the present embodiment comprises the battery of 220V alternating current and 12V, is applicable to the joint directly inserting 220V alternating current in indoor, also can adopt battery maintenance work when outdoor.
Control section 11 can also comprise communication module, such as bluetooth, can receive Long-distance Control.
Focus control 4 is also provided with motor 14, and controller controls motor 14 to realize the automatic focusing to multi color temperature light source.It should be noted that, motor 14 can be drive motors, also can be stepper motor.The scope that stepper motor is once focused before can being remembered by controller, focuses during identical occasion after convenient; When adopting drive motors, stopping means can be added in lamp body, thus the scope of restriction focusing.
Control section 1111 also comprises DMX controller, as DMX512 signal light control card; This control section 1111, for the break-make of the brightness and power supply that adjust LED light source 88, makes this product meet studio, the user demand of direct broadcasting room professional domain.
In sum, the present embodiment can the collimation lens 9 of mixed light and the secondary optics part of adjustable focal length by configuration, LED light source 8 combines and arrangement, heat conduction and heat radiation designs, the structures such as cooling air channel 3, the LED spotlight of adjustable focal length is made to realize the function of the adjustable color in white light range from 2700K to 6500K, thus realize the lighting demand being met shooting different-colour by a kind of light fixture, especially the 3200K (corresponding traditional tungsten filament light fixture) that Professional Photography is conventional, 5600K (corresponding conventional metal halide lamp tool) two kinds of white lights, and pass through green energy conservation, do not contain the new advantage of the LED illumination lamp such as ultraviolet human body being had to injury, thus make news interview, the industries such as Professional Photography start to step into turn real LED illumination epoch.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. the LED spotlight that illuminating effect is adjustable, is characterized in that, comprising: bracing frame, LED light source and secondary optics part; Described LED light source is multi color temperature light source, and is arranged on support frame as described above; Described secondary optics part is positioned on the emergent light direction of LED light source, and is arranged on support frame as described above; Described secondary optics part comprises set of lenses and the focus control for adjusting the distance in described set of lenses between lens; Described set of lenses comprises the collimation lens and Fresnel Lenses that set gradually along beam projecting direction.
2. the LED spotlight that illuminating effect according to claim 1 is adjustable, it is characterized in that, described multi color temperature light source comprises substrate, described substrate is provided with the LED of at least two kinds of colour temperatures, by opening and closing the described LED of different-colour and changing the electric current flow through in described LED, thus change the colour temperature of described multi color temperature light source.
3. the LED spotlight that illuminating effect according to claim 2 is adjustable, is characterized in that, the described LED of often kind of colour temperature is respectively multiple, and between the described LED of various colour temperature, interval is arranged respectively.
4. the LED spotlight that the illuminating effect according to any one of claim 1-3 is adjustable, is characterized in that, the reference color temperature of described multi color temperature light source is 2700K-6500K.
5. the LED spotlight that illuminating effect according to claim 1 is adjustable, it is characterized in that, described multi color temperature light source is provided with radiator, and described radiator is thermal column radiator and/or phase change technique radiator, and described radiator is bonding by heat-conducting cream fat with described multi color temperature light source.
6. the LED spotlight that illuminating effect according to claim 5 is adjustable, is characterized in that, also comprises the cooling air channel for cooling described radiator; Described cooling air channel is arranged on support frame as described above, and one end of described cooling air channel connects described radiator, and it is outside that the other end is communicated with LED spotlight, and be provided with fan in this cooling air channel.
7. the LED spotlight that illuminating effect according to claim 6 is adjustable, it is characterized in that, described cooling air channel is extension sleeve, described extension sleeve comprises thermal insulation cylinder and skeleton, and described skeleton is for supporting described thermal insulation cylinder, and described thermal insulation cylinder is soft material, and described thermal insulation cylinder can along its axial elongation or shortening, it is outside that one end of described thermal insulation cylinder is communicated with LED spotlight, and the other end connects described radiator, and described fan to be arranged in described thermal insulation cylinder and near described radiator.
8. the LED spotlight that illuminating effect according to claim 1 is adjustable, it is characterized in that, described collimation lens comprises the coaxial first surface, the second curved surface and the 3rd curved surface that arrange, described second curved surface is used for reflective, described second curved surface is parabola and its vertex position offers laser pump cavity, described 3rd curved surface is used for mixed light, described 3rd curved surface to be arranged in described laser pump cavity and to be positioned in the focus of described second curved surface, described first surface is used for optically focused, and described first surface is arranged on the opening of described second curved surface.
9. the LED spotlight that illuminating effect according to claim 1 is adjustable, it is characterized in that, also comprise control section, described control section comprises controller, temperature sensor, drive circuit and human-computer interaction device, described human-computer interaction device sends instruction to described controller, and described controller sends drive singal to described drive circuit, and described drive circuit drives described multi color temperature light source, described temperature sensor gathers the temperature information of described multi color temperature light source, and passes to described controller.
10. the LED spotlight that illuminating effect according to claim 9 is adjustable, is characterized in that, described focus control is also provided with motor, and described controller controls described motor to realize the automatic focusing to described multi color temperature light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606372.9U CN204901557U (en) | 2015-08-12 | 2015-08-12 | Illuminating effect adjustable LED spotlight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606372.9U CN204901557U (en) | 2015-08-12 | 2015-08-12 | Illuminating effect adjustable LED spotlight |
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| CN204901557U true CN204901557U (en) | 2015-12-23 |
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| CN201520606372.9U Active CN204901557U (en) | 2015-08-12 | 2015-08-12 | Illuminating effect adjustable LED spotlight |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114878A (en) * | 2015-08-12 | 2015-12-02 | 北京莱斯达电子科技有限公司 | LED spotlight with adjustable lighting effect |
| WO2017024556A1 (en) * | 2015-08-12 | 2017-02-16 | 北京莱斯达电子科技有限公司 | Lighting effect adjustable led spotlight |
| CN110131657A (en) * | 2019-03-20 | 2019-08-16 | 广州火盛科技有限公司 | A kind of light source emerging system that colour mixture is fabulous |
| CN110566841A (en) * | 2018-06-05 | 2019-12-13 | 深圳市绎立锐光科技开发有限公司 | Heat radiation structure and lighting device |
-
2015
- 2015-08-12 CN CN201520606372.9U patent/CN204901557U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114878A (en) * | 2015-08-12 | 2015-12-02 | 北京莱斯达电子科技有限公司 | LED spotlight with adjustable lighting effect |
| WO2017024556A1 (en) * | 2015-08-12 | 2017-02-16 | 北京莱斯达电子科技有限公司 | Lighting effect adjustable led spotlight |
| CN110566841A (en) * | 2018-06-05 | 2019-12-13 | 深圳市绎立锐光科技开发有限公司 | Heat radiation structure and lighting device |
| CN110131657A (en) * | 2019-03-20 | 2019-08-16 | 广州火盛科技有限公司 | A kind of light source emerging system that colour mixture is fabulous |
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