CN202125856U - Light-emitting diode (LED) soft-light lamp - Google Patents
Light-emitting diode (LED) soft-light lamp Download PDFInfo
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- CN202125856U CN202125856U CN201120215957XU CN201120215957U CN202125856U CN 202125856 U CN202125856 U CN 202125856U CN 201120215957X U CN201120215957X U CN 201120215957XU CN 201120215957 U CN201120215957 U CN 201120215957U CN 202125856 U CN202125856 U CN 202125856U
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Abstract
The utility model discloses a light-emitting diode (LED) soft-light lamp, which comprises a lamp body, a lamp bow located above the lamp body, a left lateral plate, a right lateral plate, a support, a light source portion installed in the lamp body, a power source portion electrically connected with the light source portion and a heat dissipation portion electrically connected with the power source portion, wherein the left lateral plate and the right lateral plate are located on the left side and the right side of the lamp body, and the support is used for connecting the lamp body, the left lateral plate and the right lateral plate. A soft-light plate is installed at the front end of the lamp body, the inner side of the soft-light plate is connected with the lamp body through the support, and the outer side of the soft-light plate is in an unsmooth shape. Softening treatment is performed on the edge of a light field of the soft-light lamp through the soft-light plate installed at the front end of the lamp body, and a transition region with light intensity gradually weakened is formed on the edge of the light field of the soft-light lamp, thereby improving a light field effect of the soft-light lamp and being favorable for lighting on a stage.
Description
Technical Field
The utility model relates to a soft light especially relates to a realize LED soft light of soft light effect through installation soft light board, belongs to movie & TV stage lamps and lanterns technical field.
Background
The stage cloth light is an important component of the space of stage performance, and is an artistic creation that performs visual environment lighting design on characters and required specific scenes according to the development of plots and reproduces design intentions to audiences in a visual image mode. Therefore, a plurality of lamps are required to be used together in stage lighting.
The soft light is a lamp which has soft light and no obvious shadow, is suitable for reflecting the shape and color of an object and gives people a soft and exquisite feeling. The working principle of the device is that rigid direct light passes through an optical device with a light softening function and is converted into soft diffused light to irradiate an object. The soft light is originally used as a lamp for photography, and is popularized and applied to the stage lighting of the film and the television due to the uniform and soft light.
The traditional soft light is a reflective soft light, a light source cannot directly irradiate the surface of an object to be irradiated, and light rays are reflected by a reflector for the second time to become diffuse light, so that a large-area surface light source is formed. Therefore, the traditional soft light has a large light projection range and no obvious outline edge of an illumination area. In the chinese utility model patent with patent No. ZL 200920062792.X, a stage soft light front mirror is disclosed. The soft light front mirror is a light-transmitting mirror with an arc-shaped longitudinal section and at least one side surface of which is provided with a rough surface. The light is diffused and irradiated on the object after being blocked by the transparent lens, so that the light is softer and more uniform without obvious shadow. However, the soft light front mirror can diffuse the whole light and cannot form an image, and the stage effect is adversely affected.
An LED (Light Emitting Diode) is a semiconductor capable of converting electric energy into visible Light, has the advantages of long service life, high lighting efficiency, no radiation, low power consumption, and the like, and has become a development direction of lighting fixtures. Therefore, a soft light lamp using LEDs as light source is an important lamp for stage lighting. The LED soft light is characterized in that the light beam energy is concentrated, the contrast with the surrounding background brightness is obvious in stage illumination, the outline edge of a light spot is clear, and the LED soft light is not beneficial to the connection and use of a plurality of table lamps. In the prior art, technologies such as a softening lampshade are generally adopted to perform overall softening treatment on an LED light source and light, but the brightness of the light is reduced and the light loss is caused.
Disclosure of Invention
The utility model aims to solve the technical problem that a LED soft light is provided. The LED soft light can generate a light field with soft light and virtual edges, and is particularly suitable for stage lighting.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a LED soft light, includes the lamp body, is located the lamp bow of lamp body top, be located respectively the left and right curb plate of the lamp body left and right sides for connect the support of lamp body and left and right curb plate is installed the inside light source portion of lamp body, with the power portion that the light source portion electricity is connected and with the radiating part that the power portion electricity is connected, its characterized in that:
the lamp body is characterized in that a light softening plate is installed at the front end of the lamp body, the inner side of the light softening plate is connected with the lamp body through the support, and the outer side of the light softening plate is in a non-smooth shape.
Preferably, the outer side of the light softening plate is in a zigzag shape or a wave shape formed by combining a plurality of obtuse angles.
Preferably, at least one surface of the light diffusion plate is a rough surface, and the rough surface is disposed on a surface opposite to the light source unit.
Preferably, the light source part comprises an LED light source, a substrate, a reflector and a side reflector; the LED light source is vertically embedded in the substrate; the reflector is an arc-shaped plate, and the side reflectors are arranged on two sides of the reflector.
Preferably, the power supply part is arranged at the front end of the bottom of the lamp body and comprises a power supply box cover, a power supply and a power supply bracket; wherein the power supply bracket supports the power supply thereon, the power supply being electrically connected to the LED light source; the power box cover is connected with the base plate and the bottom plate of the lamp body and used for covering the power supply and the power supply bracket.
Preferably, the heat dissipation part comprises a fan, an air duct and a heat radiator; the radiator is arranged on one side of the substrate, which is back to the direction of the LED light source; the air duct is fixed on the lower part of the bracket and the left and right side plates in a mode of coating the radiator, and the tail end of the air duct is provided with the fan.
The utility model provides a LED soft light passes through lamp body front end installation soft light board, carries out the softening to the light field edge of soft light, makes the transition district that its light field edge formed a light intensity and weakens gradually to improve the light field effect of soft light, be favorable to the stage cloth light. On the other hand, the LED light source has the advantages of small heat productivity, high light efficiency, low power consumption and the like, so that the working environment of the studio is obviously improved, and actors are prevented from being burnt by high temperature of stage light.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of an overall structure of an LED soft light provided by the present invention;
fig. 2 is a partial cross-sectional view of the LED soft light shown in fig. 1.
Reference numbers in the figures: 1: lamp bow, 2: lamp body, 3: side reflector, 4: LED light source, 5: a bracket, 6: left and right side plates, 7: a fan, 8: power supply box cover, 9: substrate, 10: l-shaped air duct, 11: heat sink, 12: reflector, 13: soft light plate, 14: power supply, 15: and a power supply bracket.
Detailed Description
The utility model provides a LED soft light mainly includes: the lamp comprises a lamp bow 1 positioned above a lamp body, the lamp body 2, a left side plate 6 and a right side plate 6 which are respectively positioned at the left side and the right side of the lamp body 2, a bracket 5 for connecting the lamp body 2 and the left side plate 6 and the right side plate 6, a light softening plate 13 arranged at the front end of the lamp body 2, a light source part arranged inside the lamp body 2, a power supply part electrically connected with the light source part, a heat dissipation part electrically connected with the power supply part and the like.
As shown in fig. 1, the lamp bow 1 is connected to the left and right side plates 6 by bearings or bolts. The lamp bow 1, the lamp body 2, the left side plate 6 and the right side plate 6 together form an external framework of the whole LED soft light. As shown in fig. 2, the lamp body 2 is a substantially L-shaped stamped metal plate serving as a back plate and a bottom plate of the LED soft light. A folded-back portion is formed at the upper end of the back plate in parallel with the bottom plate. The lamp body 2 is further punched with a plurality of radiating holes which are regularly arranged, so that the LED soft light can conveniently radiate heat.
The bracket 5 is in an inverted concave shape and is used for connecting the lamp body 2, the reflector 12, the side reflector 3, the left side plate 6 and the right side plate 6. The opening portions of the brackets 5 are fixed to both sides of the base plate 9 and fixed to the bottom plate, the vertical portions connect the side reflectors 3 with the left and right side plates 6, respectively, and the horizontal portions fix the reflectors 12 and the folded-back portions (portions parallel to the bottom plate) of the lamp body 2 together in such a manner as to be slightly higher than the reflectors 12. In this embodiment, the opening portion of the bracket 5 is indirectly fixed to the bottom plate through the power supply box cover 8. The opening portion of the holder 5 may be directly mounted to the base plate, or even the holder 5 may be integrally formed with the lamp body 2.
The light source part specifically comprises an LED light source 4, a substrate 9, a reflector 12 and a side reflector 3. The LED light source 4 is formed by horizontally arranging a plurality of LEDs at equal intervals and vertically embedding the LEDs in the substrate 9. The reflector 12 is an arc-shaped plate having a length corresponding to the LED light source 4, and a straight edge of one side of the arc-shaped plate is connected to a bottom edge of the substrate. Two side reflecting plates 3 having the same arc-shaped edge as the reflecting plate 12 are respectively provided on both sides of the reflecting plate 12 so as to constitute a reflector together with the reflecting plate 12. The reflector is connected to the lamp body 2 by means of a bracket 5. The reflector 12 is made of the same material as the side reflector 3, and the surface facing the LED light source 4 is a reflective surface. In the LED soft light, the light reflectivity can be improved by carrying out special treatment on the reflecting surface, such as attaching optical materials (such as fluorescent powder), mirror surface polishing and the like, and also by selecting a reflector made of a high-reflectivity material.
The utility model discloses the LED light source 4 that uses has advantages such as calorific capacity is little, the light efficiency is high, the low power dissipation. Because no infrared radiation exists, the environmental temperature of the studio can be reduced to about 25 ℃ from the original 40 ℃, the working environment of the studio is obviously improved, and actors are prevented from being burnt by the high temperature of stage light.
The power supply part is arranged at the front end of the bottom of the lamp body 2 and comprises a power supply box cover 8, a power supply 14 and a power supply bracket 15. Wherein a power supply bracket 15 is provided above the base plate for supporting the power supply 14 thereon. The power supply 14 is electrically connected with the LED light source 4 to supply power thereto, and controls the whole LED soft light to be turned on or off through a circuit board electrically connected with the inside of the lamp body 2. The power box cover 8 is connected to the base plate 9 and the bottom plate of the lamp body 2 to cover the power source 14 and the power source bracket 15. The power supply box cover 8 is provided with a plurality of ventilation holes for heat dissipation.
The heat dissipation part comprises a fan 7, an air duct and a heat sink 11. The heat emitted from the LED light sources 4 embedded in the substrate 9 is emitted through the substrate 9. In order to increase the heat dissipation of the substrate 9, a heat sink 11 is provided on the side of the substrate 9 facing away from the LED light source 4. The heat sink 11 is an aluminum fin that can maintain good heat dissipation from the LED light source 4. The air duct is fixed on the lower part of the bracket 5 and the left and right side plates 6 in a mode of coating the radiator 11. An air duct is formed between the radiator 11 and the air duct, and an air duct is also formed between the air duct and the left and right side plates 6, and the two air ducts are communicated and are collectively called as an L-shaped air duct 10. The left and right side plates 6 are provided with ventilation openings which are communicated with the air duct.
In order to rapidly discharge the heat emitted by the power supply 14 and the LED light source 4 to the inside of the lamp body, the tail end of the air duct is provided with a fan 7 which blows air into the L-shaped air duct 10 to enhance ventilation and heat dissipation. The fan 7 is connected with the power box cover 8 to form an air duct. A plurality of ventilation openings are formed in the side of the power supply box cover 8 away from the heat sink 11, and penetrate the air duct. The fan 7 also blows air to the power supply 14 to ensure ventilation and heat dissipation of the power supply 14.
The utility model discloses an install the sheen board at the lamp body front end of LED soft light, carry out the softening to the light field edge of soft light, make its light field edge form the transition district that a light intensity weakens gradually to improve the light field effect of soft light, be favorable to the stage cloth light.
Specifically, a light softening plate 13 parallel to the base plate 9 is mounted on the front end of the lamp body 2. The soft light plate has the function of forming a transition area with gradually reduced illumination and soft light intensity change at the periphery of the light field of the LED soft light. As shown in fig. 1 and 2, the light softening plate 13 is connected to the lamp body 2 through the bracket 5 at the inner side, and has a zigzag shape formed by combining at least two obtuse angles at the outer side. It should be noted that the outer side of the light softening plate 13 may also be in other non-smooth shapes such as wave shape, as long as the light passing through the light softening plate forms a transition region with soft change of light intensity at the edge of the light field.
The light diffuser 13 is preferably made of a translucent material, and at least one surface of the light diffuser is an uneven rough surface. The roughened surface is provided on the surface opposite the LED light source 4 and may be obtained by sandblasting or other equivalent methods. When the light emitted from the LED light source 4 is irradiated on the rough surface of the light diffusion plate 13, part of the light is reflected, and part of the light is blocked and then diffused through the light diffusion plate 13 to be irradiated on the front object. Therefore, a mixed region of the diffused light and the reflected light can be formed in the same height region of the light field close to one side edge, so that the light field of the irradiated object has the effect of edge blurring. When a plurality of LED soft lamps are spliced for use, the irradiated area can not have obvious light spot connection boundary.
The above has made a detailed description of the LED soft light provided by the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, without departing from the spirit of the present invention, and it is intended to constitute a violation of the patent rights of the present invention and to bear the relevant legal responsibility.
Claims (8)
1. The utility model provides a LED soft light, includes the lamp body, is located the lamp bow of lamp body top, be located respectively the left and right curb plate of the lamp body left and right sides for connect the support of lamp body and left and right curb plate is installed the inside light source portion of lamp body, with the power portion that the light source portion electricity is connected and with the radiating part that the power portion electricity is connected, its characterized in that:
the lamp body is characterized in that a light softening plate is installed at the front end of the lamp body, the inner side of the light softening plate is connected with the lamp body through the support, and the outer side of the light softening plate is in a non-smooth shape.
2. The LED soft light of claim 1, wherein:
the outer side of the light softening plate is in a sawtooth shape formed by combining at least two obtuse angles.
3. The LED soft light of claim 1, wherein:
the outer side of the light softening plate is wavy.
4. The LED soft light of claim 1, wherein:
at least one surface of the light diffusion plate is a rough surface, and the rough surface is arranged on the surface opposite to the light source part.
5. The LED soft light of any one of claims 1-4, wherein:
the light softening plate is made of semitransparent materials.
6. The LED soft light of claim 1, wherein:
the light source part comprises an LED light source, a substrate, a reflecting plate and a side reflecting plate;
the LED light source is vertically embedded in the substrate;
the reflector is an arc-shaped plate, and the side reflectors are arranged on two sides of the reflector.
7. The LED soft light of claim 6, wherein:
the power supply part is arranged at the front end of the bottom of the lamp body and comprises a power supply box cover, a power supply and a power supply bracket; wherein,
the power supply bracket supports the power supply thereon, and the power supply is electrically connected with the LED light source;
the power box cover is connected with the base plate and the bottom plate of the lamp body and used for covering the power supply and the power supply bracket.
8. The LED soft light of claim 6, wherein:
the heat dissipation part comprises a fan, an air duct and a heat radiator;
the radiator is arranged on one side of the substrate, which is back to the direction of the LED light source;
the air duct is fixed on the lower part of the bracket and the left and right side plates in a mode of coating the radiator, and the tail end of the air duct is provided with the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120215957XU CN202125856U (en) | 2011-06-23 | 2011-06-23 | Light-emitting diode (LED) soft-light lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120215957XU CN202125856U (en) | 2011-06-23 | 2011-06-23 | Light-emitting diode (LED) soft-light lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202125856U true CN202125856U (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120215957XU Expired - Lifetime CN202125856U (en) | 2011-06-23 | 2011-06-23 | Light-emitting diode (LED) soft-light lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202125856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748698A (en) * | 2012-06-15 | 2012-10-24 | 北京京科兴业科技发展有限公司 | Multifunctional desk lamp |
-
2011
- 2011-06-23 CN CN201120215957XU patent/CN202125856U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748698A (en) * | 2012-06-15 | 2012-10-24 | 北京京科兴业科技发展有限公司 | Multifunctional desk lamp |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |
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| CX01 | Expiry of patent term |