CN110425505B - Focusing cylinder of high-power LED spotlight for shooting - Google Patents
Focusing cylinder of high-power LED spotlight for shooting Download PDFInfo
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- CN110425505B CN110425505B CN201910819199.3A CN201910819199A CN110425505B CN 110425505 B CN110425505 B CN 110425505B CN 201910819199 A CN201910819199 A CN 201910819199A CN 110425505 B CN110425505 B CN 110425505B
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- barrel
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- front part
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/61—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by control arrangements
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A focusing cylinder of a high-power LED spotlight for shooting. The invention aims to solve the problems that the electric exhaust is not reasonably realized because the electric exhaust is adopted to efficiently reduce the temperature in the focusing cylinder, the focusing cylinder is cumbersome and the disassembly and assembly workload is increased, and the lamp main body is not provided with a connectable power supply interface. The technical key points are as follows: the LED lamp comprises a barrel body rear part connected with a lamp main body, a barrel body front part with a condensing lens at the front side and a rotary focusing ring matched with the barrel body front part and the barrel body rear part and used for controlling the barrel body front part to move, wherein a light passing window matched with an LED light source of the lamp main body and opposite to the condensing lens is arranged on the rear wall surface of the barrel body rear part.
Description
Technical Field
The invention relates to lighting equipment for shooting, in particular to a focusing cylinder of a high-power LED spotlight for shooting. The focusing device is suitable for the detachable focusing cylinder.
Background
The LED spotlight for shooting commonly used at present is generally used in outdoor shooting occasions, shooting workshops, studio, conference rooms, studio, multifunctional hall, theatre auditorium and the like. The structure of the LED spotlight for shooting of the same kind comprises a lamp main body and a focusing barrel arranged at the front part of the lamp main body, wherein the focusing barrel is an independent component which can be disassembled and separated. The focusing cylinder structure generally comprises a cylinder body rear part connected with the lamp main body, a cylinder body front part with a condensing lens at the front side and a rotating focusing ring matched with the cylinder body front part and the rear part and used for controlling the movement of the cylinder body front part, and a light transmitting window matched with an LED light source of the lamp main body and opposite to the condensing lens is arranged on the rear side surface of the cylinder body rear part. When the LED spotlight for shooting works, the focusing cylinder is irradiated by the LED light source for a long time to generate heat, so that the focusing cylinder is prevented from being excessively heated to cause the damage of the condensing lens and the deformation of the cylinder, and a heat dissipation hole is often formed in the wall of the cylinder.
With the development of the LED spotlight for shooting to the adoption of high-power and super-power LED light sources at present, as the LED light sources are characterized by extremely large heat productivity, the traditional mode of adopting a radiating hole obviously cannot meet the radiating requirement, so whether the radiating problem of a focusing barrel can be effectively solved becomes a bottleneck of the development of the LED spotlight for shooting to the high-power and super-power LED light sources. Of course, the electric exhausting mode can be considered to reduce the temperature in the focusing cylinder more efficiently, but the electric exhausting mode is required to be externally conducted to a power line to be connected to a power supply of a rear lamp main body, the externally conducted power line can become the encumbrance of the focusing cylinder, the workload is increased when the focusing cylinder is disassembled, and in addition, the existing lamp main body is not provided with a plug-in port for externally connected power supply, so that the electric exhausting mode cannot be reasonably realized at present.
Disclosure of Invention
In order to overcome the problems that the electric exhaust mode is adopted to effectively reduce the temperature in the focusing cylinder of the LED spotlight for shooting, an external power supply wire is required to be LED out to form the focusing cylinder, the assembly and disassembly workload is increased, and the electric exhaust cannot be reasonably realized at present due to the fact that an inserting port for an external power supply is not available on the main body of the lamp at present, the invention aims to provide an improved focusing cylinder of the high-power LED spotlight for shooting, and the defects of the prior art can be overcome.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a shoot with focusing section of thick bamboo of high-power LED spotlight, is including connecting the barrel rear portion of lamp main part, the front side has the barrel front portion of condenser lens and cooperation on barrel front and back portion be used for controlling the rotation focusing circle that the barrel front portion removed, be equipped with one on the back wall at barrel rear portion and be opposite to condenser lens with lamp main part's LED light source complex light window, characterized by: the solar cell module is characterized in that a photocell plate is fixedly arranged on the inner wall of the rear part of the cylinder or the front part of the cylinder, an electric radiator fan is fixedly arranged on the wall of the rear part of the cylinder or the front part of the cylinder, the electric output end of the photocell plate is electrically connected with the power input end of the electric radiator fan, and the photocell plate is fixedly arranged by being attached to the inner wall surface of the rear part of the cylinder or the front part of the cylinder.
The photovoltaic panel according to the above technical scheme, which may also be called a solar panel, is a photovoltaic semiconductor sheet that directly converts light energy into electric energy through a photoelectric effect or a photochemical effect.
According to the technical scheme, the photocell plate can be arc-shaped or bent into an arc shape.
According to the technical scheme, the photocell plate can form a circle by one piece or form a circle by more than two pieces which are arranged or spliced.
According to the technical scheme, more than two arranged or spliced photocell plates can be correspondingly electrically connected, and the electric output end on one photocell plate supplies power to the electric radiator fan.
According to the technical scheme, more than two electric cooling fans can be installed and fixed on the rear part of the cylinder body and the wall part of the front part of the cylinder body, so that the simultaneous strong exhaust and strong air intake in the focusing cylinder are realized.
According to the technical scheme, the two electric cooling fans can be installed and fixed on the side wall of the front part of the cylinder body at the rear side of the condensing lens, and the two electric cooling fans can be installed and fixed on the rear wall surface of the rear part of the cylinder body, so that the better focusing cylinder can be used for simultaneously exhausting and exhausting air strongly.
According to the technical scheme, the exhaust electric cooling fan can be installed and fixed on the rear part of the cylinder or the wall part of the front part of the cylinder, and the air inlet hole matched with the exhaust electric cooling fan is formed in the rear part of the cylinder or the wall part of the front part of the cylinder.
According to the technical scheme, the air inlet electric cooling fan can be installed and fixed on the rear part of the cylinder or the wall part of the front part of the cylinder, and the air outlet hole matched with the air inlet electric cooling fan is formed in the rear part of the cylinder or the wall part of the front part of the cylinder.
According to the technical scheme, an adaptive circuit can be further arranged on the electric connection between the electric output end of the photocell plate and the power input end of the electric radiator fan.
The beneficial effects of the invention are as follows: firstly, a photocell plate is fixedly arranged on the rear part of the cylinder or the inner wall of the front part of the cylinder, the LED light source of the lamp main body is utilized to directly convert the light part irradiated on the inner wall of the cylinder into electric energy in the light irradiated forwards in the focusing cylinder, so that the electric exhaust is provided with a power supply without arranging an external power supply line for taking power, and the inner wall of the cylinder is provided with the power supply line, so that the original focusing cylinder structure is not influenced, the burdensome component is not generated, and the wage is not increased when the focusing cylinder is disassembled; secondly, because the electric cooling fan is fixedly arranged on the wall part at the rear part of the cylinder or the front part of the cylinder, strong air convection can be manufactured inside and outside the focusing cylinder, the temperature in the focusing cylinder can be reduced efficiently, and when the lamp main body adopts a high-power or ultra-high-power LED light source, the enough durability of the condensing lens and the enough rigidity of the cylinder can be ensured; thirdly, when the LED light source of the lamp main body emits light, the electric radiator fan works simultaneously, and when the LED light source is extinguished, the electric radiator fan stops working along with the stop of working, and a power switch does not need to be arranged and operated any more, so that the electric radiator fan is simple and ingenious to use; fourth, because the cooling of the focusing cylinder is to make strong convection of air through the electric radiator fan, the cylinder wall of the focusing cylinder can be free from being provided with radiating holes, and the rigidity and strength of the cylinder can be further improved; fifthly, the electric radiator fan of the focusing cylinder does not depend on the power supply of the lamp main body, so the focusing cylinder can be suitable for all the lamp main bodies at present, and has strong applicability; and the sixth step is to skillfully utilize the useless light part irradiated on the inner wall of the cylinder body to generate electric energy, thereby changing the useless energy into useful energy, and having the pioneering significance in the field.
The invention is further described below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention mounted on a lamp body.
Fig. 2 is a schematic perspective view of the focusing drum of fig. 1 cut away.
In the figure: 1. a lamp body; 2. the rear part of the cylinder body; 3. a condensing lens; 4. the front part of the cylinder body; 5. rotating the focusing ring; 6. a rear wall surface; 7. an LED light source; 8. a light-transmitting window; 9. 10 and 11, electric radiator fans; 12. electrically connecting; 13 and 14, electric radiator fans.
Description of the embodiments
Referring to fig. 1 to 2, the focusing barrel of the high-power LED spotlight for shooting comprises a barrel rear part 2 connected with a spotlight body 1, a barrel front part 4 with a spotlight lens 3 at the front side, and a rotary focusing ring 5 matched with the barrel front part 2 and the barrel rear part 3 and used for controlling the barrel front part 4 to move back and forth, wherein a light passing window 8 matched with an LED light source 7 of the spotlight lens 3 and directly opposite to the spotlight lens 3 is arranged on a rear wall surface 6 of the barrel rear part 2, and is characterized in that: the inner wall of the barrel back part 2 is provided with a photocell plate 9, the wall parts of the barrel back part 2 and the barrel front part 4 are provided with electric cooling fans 10 and 11 and the like, the electric output end of the photocell plate 9 is correspondingly and electrically connected with the power input end of the electric cooling fans 10 and 11 and the like, and the photocell plate 9 is attached to the inner wall surface of the barrel back part 2 for installation and fixation.
The photocell plate 9 is formed by arranging or splicing two photocell plates bent into an arc shape.
And more than two arranged or spliced photocell plates 9 are correspondingly electrically connected 12, and the electric output end on one photocell plate supplies power to the electric heat dissipation fans 10, 11 and the like.
Two electric cooling fans 11 and 13 are installed and fixed on the side wall of the front part 4 of the cylinder body at the rear side of the condensing lens 3, and two electric cooling fans 10 and 14 are also installed and fixed on the rear wall surface 6 of the rear part 1 of the cylinder body, so that better strong exhaust and strong air intake in the focusing cylinder are realized. Specifically, the electric radiator fans 10 and 13 may be air intake electric radiator fans, and the electric radiator fans 11 and 14 may be exhaust electric radiator fans; the electric radiator fans 10 and 13 may be exhaust electric radiator fans, and the electric radiator fans 11 and 14 may be intake electric radiator fans.
When the LED lamp works, light rays emitted by the LED light source 7 of the lamp main body 1 directly irradiate to the back surface of the condensing lens 3 of the barrel front part 4, the light rays are condensed by the condensing lens 3 and then irradiated to a shooting occasion in front through the condensing lens 3, the light rays emitted by the LED light source 7 irradiate on the inner wall part of the barrel rear part 2, are converted into electric energy after being received by the photocell plate 9, are transmitted to the electric heat dissipation fans 10, 11, 13 and 14 and drive the electric heat dissipation fans to work, so that strong exhaust and strong air intake in a good focusing barrel are realized.
Claims (8)
1. The utility model provides a shoot with focusing section of thick bamboo of high-power LED spotlight, is including connecting the barrel rear portion of lamp main part, the front side has the barrel front portion of condenser lens and cooperation on barrel front and back portion be used for controlling the rotation focusing circle that the barrel front portion removed, be equipped with one on the back wall at barrel rear portion directly opposite condenser lens with lamp main part's LED light source complex light window, characterized by: the solar cell module is characterized in that a photocell plate is fixedly arranged on the inner wall of the rear part of the cylinder or the front part of the cylinder, an electric radiator fan is fixedly arranged on the wall of the rear part of the cylinder or the front part of the cylinder, the electric output end of the photocell plate is electrically connected with the power input end of the electric radiator fan, and the photocell plate is fixedly arranged by being attached to the inner wall surface of the rear part of the cylinder or the front part of the cylinder.
2. The focusing barrel of the high-power LED spotlight for shooting according to claim 1, wherein the photocell plate is arc-shaped or is curved into an arc shape.
3. The focusing barrel of the high-power LED spotlight for shooting according to claim 2, wherein the photocell plate is formed into one circle by one piece or is formed into one circle by more than two pieces arranged or spliced.
4. The focusing barrel of the high-power LED spotlight for shooting according to claim 3, wherein more than two photocell plates which are arranged or spliced are correspondingly electrically connected, and an electric output end on one photocell plate supplies power to the electric radiator fan.
5. The focusing barrel of a high-power LED spotlight for photography according to claim 1, 2, 3 or 4, characterized in that two or more electric heat radiation fans are mounted and fixed on the wall parts of the rear part and the front part of the barrel.
6. The focusing barrel of high-power LED spotlight for photographing according to claim 1, 2, 3 or 4, characterized in that two electric heat-dissipating fans are mounted and fixed on the side wall of the front part of the barrel at the rear side of the condenser lens, and two electric heat-dissipating fans are also mounted and fixed on the rear wall surface of the rear part of the barrel.
7. The focusing barrel of high-power LED spotlight for shooting according to claim 1, 2, 3 or 4, characterized in that an exhaust electric heat radiation fan is mounted and fixed on the wall of the barrel rear part or the barrel front part, and an air inlet hole matched with the exhaust electric heat radiation fan is provided on the wall of the barrel rear part or the barrel front part.
8. The focusing barrel of high-power LED spotlight for shooting according to claim 1, 2, 3 or 4, characterized in that an air intake electric heat radiation fan is mounted and fixed on the wall of the barrel rear part or the barrel front part, and an air exhaust hole matched with the air intake electric heat radiation fan is provided on the wall of the barrel rear part or the barrel front part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819199.3A CN110425505B (en) | 2019-08-31 | 2019-08-31 | Focusing cylinder of high-power LED spotlight for shooting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819199.3A CN110425505B (en) | 2019-08-31 | 2019-08-31 | Focusing cylinder of high-power LED spotlight for shooting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425505A CN110425505A (en) | 2019-11-08 |
| CN110425505B true CN110425505B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910819199.3A Active CN110425505B (en) | 2019-08-31 | 2019-08-31 | Focusing cylinder of high-power LED spotlight for shooting |
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| CN (1) | CN110425505B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025881A (en) * | 2023-03-29 | 2023-04-28 | 深圳市乐其网络科技有限公司 | Light adjusting device, photographic lamp and photographic system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202972691U (en) * | 2012-12-19 | 2013-06-05 | 北京星光影视设备科技股份有限公司 | High-power light-emitting diode (LED) thread projector lamp |
| CN103323434A (en) * | 2013-05-29 | 2013-09-25 | 浙江大学 | LED excited solar cell photoluminescence detection device |
| CN204664888U (en) * | 2015-04-11 | 2015-09-23 | 宁波腾隆户外用品有限公司 | There is the flashlight of heat abstractor |
| CN208935943U (en) * | 2018-11-06 | 2019-06-04 | 惠州市莱斯影图科技有限公司 | A kind of small shot-light |
| CN210241518U (en) * | 2019-08-31 | 2020-04-03 | 林璧光 | Focusing tube of high-power LED spotlight for shooting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101343473B1 (en) * | 2013-07-22 | 2013-12-27 | 주식회사 빅라이트 | Led light type elipsoidal spotlight |
-
2019
- 2019-08-31 CN CN201910819199.3A patent/CN110425505B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202972691U (en) * | 2012-12-19 | 2013-06-05 | 北京星光影视设备科技股份有限公司 | High-power light-emitting diode (LED) thread projector lamp |
| CN103323434A (en) * | 2013-05-29 | 2013-09-25 | 浙江大学 | LED excited solar cell photoluminescence detection device |
| CN204664888U (en) * | 2015-04-11 | 2015-09-23 | 宁波腾隆户外用品有限公司 | There is the flashlight of heat abstractor |
| CN208935943U (en) * | 2018-11-06 | 2019-06-04 | 惠州市莱斯影图科技有限公司 | A kind of small shot-light |
| CN210241518U (en) * | 2019-08-31 | 2020-04-03 | 林璧光 | Focusing tube of high-power LED spotlight for shooting |
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| Publication number | Publication date |
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| CN110425505A (en) | 2019-11-08 |
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