CN108800077B - Heat abstractor of stage lamp cutting assembly - Google Patents
Heat abstractor of stage lamp cutting assembly Download PDFInfo
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- CN108800077B CN108800077B CN201810948951.XA CN201810948951A CN108800077B CN 108800077 B CN108800077 B CN 108800077B CN 201810948951 A CN201810948951 A CN 201810948951A CN 108800077 B CN108800077 B CN 108800077B
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- air supply
- cutting assembly
- vent
- heat sink
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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
- 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
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a heat dissipation device of a stage lamp cutting assembly, which comprises at least one air supply device arranged on a substrate, wherein the air supply direction of the air supply device is parallel to the plane of a cutting blade or faces the direction of the position of the cutting blade, so that the timely and effective heat dissipation of the cutting blade can be realized; the baffle device is arranged for enabling the air blown out by the air supply device to form a spiral air flow on the surface of the cutting blade, so that the heat dissipation effect is greatly improved, and meanwhile, the cutting blade is prevented from being damaged by large air quantity; the hollow cylinder is adopted as the baffle device, the vent holes are arranged at the two ends of the diameter of the cross section of the hollow cylinder, the heat dissipation effect is better, and the space layout is simple. Compared with the prior art, the heat dissipation device of the stage lamp cutting assembly has the beneficial effects that the heat dissipation device of the stage lamp cutting assembly can effectively cool the stage lamp cutting assembly timely and effectively, is good in heat dissipation effect, does not damage the cutting assembly, and can ensure long-term effective imaging effect of the stage lamp.
Description
Technical Field
The invention relates to the technical field of lamplight heat dissipation devices, in particular to a heat dissipation device of a stage lamp cutting assembly.
Background
At present, in the field of modern stage lighting, the main principle of an imaging system is to cut a light beam by using a stage lighting pattern cutting device so as to form various preset designed pattern figures such as square light spots of the light beam. Wherein the cutting device comprises a plurality of cutting blades, and the movement of the cutting blades is utilized to shade part of the light beam to form a preset imaging pattern. Because the thickness of cutting piece is very thin, it is often used for sheltering from the light beam, and the heat of light beam is very high, and long-term irradiation can make the cutting piece ageing accelerate, takes place the warpage even to influence imaging, so for the cutting piece cooling down the problem that needs to solve urgently. Among the prior art, chinese patent application number 2016209732245 adopts fan physics heat dissipation in order to solve stage lamp cutting assembly heat dissipation problem, but it does not limit to the wind that blows out, and the wind direction is direct towards the cutting piece, if like this too big can cause the damage to thinner cutting piece, if the wind is too little, appears the heat dissipation dead angle easily, and the radiating effect is not good.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the heat dissipation device of the stage lamp cutting assembly, which can effectively and timely cool the stage lamp cutting assembly, and ensure the long-term effective imaging effect of stage lamps.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
the stage lamp cutting assembly comprises a substrate, wherein a light passing hole through which a light beam can pass is formed in the substrate, the stage lamp cutting assembly further comprises a plurality of cutting pieces which are arranged on the substrate and can move in and out of the light passing hole to cut the light beam, the heat dissipation device comprises at least one air supply device arranged on the substrate, and the air supply direction of the air supply device is parallel to the plane of the cutting pieces or the direction of the position of the cutting pieces. Specifically, stage lamp cutting assembly includes the base plate, be equipped with the logical unthreaded hole that can supply the light beam to pass on the base plate, set up be used for the light beam of zooming the light ring on the logical unthreaded hole, set up be used for driving the first actuating mechanism of light ring zoom on the logical unthreaded hole, still including setting up a plurality of cutting pieces that can move into and out logical unthreaded hole in order to cut the light beam on the base plate, and drive the second actuating mechanism that the cutting piece removed, and the rotatory third actuating mechanism of drive base plate, logical unthreaded hole generally sets up the intermediate position at the base plate, and the cutting piece plane is actual on the coplanar with the base plate plane. According to the invention, the air supply device with the air supply direction parallel to the plane of the cutting blade or facing the position of the cutting blade is used for carrying out air supply and heat dissipation on the cutting blade, and the air blown by the air supply device is blown to the cutting blade from the side edge, so that when the beam irradiates the cutting blade to gather more heat, the continuously blown heat dissipation part takes away the heat to realize the effective heat dissipation on the cutting blade without damaging the cutting blade, and the long-term effective imaging effect of the stage lamp is ensured.
Further, the included angle between the air supply direction of the air supply device and the plane where the cutting blade is located is not more than 30 degrees. In the invention, if the air supply direction of the air supply device is not parallel to the plane of the cutting blade, the included angle between the air supply device and the plane of the cutting blade is not more than 30 degrees, and the structure can enable the air blown by the air supply device to be obliquely blown to the cutting blade from the side edge, thereby avoiding the direct cutting blade from the wind direction, and avoiding the warp deformation of the cutting blade caused in the past for a long time, realizing the effective heat dissipation of the cutting blade and simultaneously avoiding the damage to the cutting blade.
Further, the heat dissipation device further comprises a baffle device arranged on the periphery of the light transmission hole, and the baffle device is used for enabling air blown by the air supply device to form a spiral wind on the surface of the cutting piece. Specifically, the stage lamp cutting assembly further comprises a peripheral device arranged outside the light passing hole, the peripheral device comprises a first driving mechanism for driving aperture scaling, a second driving mechanism for driving the cutting piece to move, a third driving mechanism for driving the substrate to rotate and the like, and the baffle device is used for separating the cutting piece cutting assembly from the light passing hole and the cutting piece in the light passing hole, so that vortex and whirlwind are formed on the surface of the cutting piece by wind blown by the wind supply device, and the baffle device has two functions: on one hand, the baffle device plays a role in heat insulation, and separates a cutting sheet for cutting a light beam from the peripheral device, so that the damage of the heat of the light beam to the peripheral device is avoided; on the other hand, the baffle device plays a role of a heat dissipation cavity, the cooling air sent by the air supply device from the ventilation opening forms a spiral air flow in the baffle device, the spiral air flow can enable the heat dissipation air flow to enter the overlapped seam between the cutting pieces, the problems that heat dissipation is difficult at the overlapped part between the cutting pieces and the heat dissipation is slow can be effectively solved, and the heat dissipation effect is greatly improved.
Further, the side wall of the baffle device is provided with at least one ventilation hole, the air supply device is arranged at the outer side of the baffle device, and the ventilation hole is communicated with an air outlet of the air supply device. Specifically, the light passing hole allowing the light beam to pass through and the cutting piece for realizing the light beam cutting in the light passing hole are arranged on the inner side of the baffle device, the outer side of the baffle device is provided with a peripheral device and an air supply device, the opposite position of the side wall of the baffle device and the air supply opening of the air supply device is provided with a vent hole, and the air supply device blows out the cutting piece blown to the inner side of the baffle device from the vent hole.
Further, the baffle device is vertically installed on the base plate. The general light beam passes through the light through holes perpendicular to the baffle device, and the baffle device is vertically arranged on the substrate, so that the axis of the spiral wind formed in the baffle device by the air supply device is consistent with the direction of the light beam, the heat dissipation effect is better, and the rationality of the space layout of the heat dissipation device is met.
Further, the baffle device is in a cylindrical structure. Specifically, the baffle device is a section of hollow cylinder fixed on the base plate, and light beams are shot into from the other end of the hollow cylinder, pass through the light passing holes and are cut and transformed by the cutting sheets in the light passing holes. According to the invention, the light blocking cylinder is used as the baffle device, so that the cooling air fed from the ventilation opening by the air supply device can better form a spiral air flow in the baffle device, the formed spiral air flow is slow in attenuation and high in air speed, and a better heat dissipation effect is achieved.
Further, a first vent hole and a second vent hole are formed in the side edge of the baffle device, and the air supply directions of the first air supply device and the second air supply device which are respectively communicated with the first vent hole and the second vent hole are the same as the clockwise direction or the anticlockwise direction along the inner wall of the baffle device. Specifically, when the direction of the spiral wind formed by the first air supply device and the second air supply device is parallel to the plane of the cutting sheet, the distances from the first ventilation hole and the second ventilation hole to the plane of the substrate are equal, and the air sent by the first air supply device and the air sent by the second air supply device are overlapped to form the spiral wind; when the direction of the spiral wind formed by the first air supply device and the second air supply device is at a certain angle towards the position of the cutting piece, the distances from the first air vent and the second air vent to the plane of the substrate are unequal, and the direction of the wind blown by the air supply devices communicated with the two air vents is consistent with the direction of the finally formed spiral wind, and the wind is directed from the air vent far away from the substrate to the air vent near to the substrate. According to the invention, the two air supply devices with the same air supply direction along the clockwise or anticlockwise direction of the inner wall of the baffle device are used for radiating heat of the cutting blade, the air directions are the same, and boosting effect exists between the two air supply devices, so that efficient spiral air which rotates clockwise or anticlockwise along the inner wall of the baffle device towards the cutting blade is formed, the heat radiation effect is good, and meanwhile, the cutting blade is prevented from being damaged by large air quantity.
Further, the baffle device is provided with a first ventilation hole and a second ventilation hole, and the connecting line of the first ventilation hole and the second ventilation hole is arranged on the diameter of the cross section of the cylindrical structure. Specifically, the air supply directions of the first air supply device and the second air supply device which are respectively communicated with the first ventilation hole and the second ventilation hole are clockwise or anticlockwise along the tangential direction of the cross section of the cylinder structure. The invention adopts a cylindrical structure with the same shape as the light passing holes, and the two ends of the diameter of the cross section of the cylindrical structure are respectively provided with the first ventilation holes and the second ventilation holes, so that the distance from the heat dissipation air blown out from the first ventilation holes to the second ventilation holes is equal to the distance from the heat dissipation air blown out from the second ventilation holes to the first ventilation holes no matter the air supply direction is clockwise or anticlockwise, and better boosting effect exists between the heat dissipation air blown out from the first ventilation holes and the second ventilation holes, therefore, the two heat dissipation air forms a spiral wind along the inner wall of the cylinder better, the heat dissipation effect is better, and the space layout is simple.
Further, the diameter of the cross section of the baffle device of the cylindrical structure is not smaller than the diameter of the light-passing hole. In the invention, the baffle device is used for enabling the air blown by the air supply device to form a spiral wind on the surface of the cutting blade, so that the heat dissipation of the cutting blade in the light-passing hole is realized, the cross section of the spiral wind formed by the baffle device with a cylindrical structure is consistent with the cross section of the cylinder, the diameter of the spiral wind is not smaller than that of the light-passing hole, the spiral heat dissipation part can be ensured to more fully penetrate through the light-passing hole, and the heat dissipation effect is enhanced.
Further, the air supply device is a turbofan. Compared with the traditional cooling fan, the turbofan has small occupied space and large output air quantity, and can effectively improve the cooling effect and save the space layout.
Further, the distance from the vent hole to the plane of the substrate is not more than 3mm. In the invention, the vent holes are arranged on the side wall of the baffle device, the baffle device is arranged on the plane of the substrate, the light-passing holes on the substrate and the cutting pieces in the light-passing holes are enclosed, the distance between the vent holes and the plane of the substrate is not more than 3mm, the heat dissipation wind blown out from the vent holes is ensured to be closer to the cutting pieces, and the heat dissipation effect is better.
Further, the height of the baffle device along the vertical substrate is not less than 10mm. In order to enable the heat dissipation air introduced into the wind shielding device to better form a spiral wind, the height of the baffle device along the incident direction of the light beam is not too small, and in the invention, the baffle device is vertically arranged on the substrate, and the height of the baffle device along the direction vertical to the substrate is limited to be not less than 10mm, so that the invention is more suitable for practical situations.
Further, the baffle device is of a polygonal prism structure, specifically, a regular pentagonal prism, a hexagonal prism, a heptagonal prism or an octagonal prism. The baffle device with the structure has the advantages that the cross section of the baffle device is regular pentagon, regular hexagon, regular heptagon or regular octagon, the spiral effect of the heat dissipation air can be improved, the air volume attenuation of the spiral air is slow, the air speed is high, the structure is simple, and the installation is convenient. Further, one end of the wind shielding device is fixed on the base plate through a bolt. By adopting the mode for fixing, the device can be effectively disassembled, and is convenient to clean or maintain.
Compared with the prior art, the heat dissipation device of the stage lamp cutting assembly comprises at least one air supply device arranged on the substrate, and the air supply direction of the air supply device is parallel to the plane of the cutting sheet or faces the direction of the position of the cutting sheet, so that timely and effective heat dissipation of the cutting sheet can be realized; the baffle device is arranged for enabling the air blown out by the air supply device to form a spiral air flow on the surface of the cutting blade, so that the heat dissipation effect is greatly improved, and meanwhile, the cutting blade is prevented from being damaged by large air quantity; the hollow cylinder is adopted as the baffle device, the vent holes are arranged at the two ends of the diameter of the cross section of the hollow cylinder, the heat dissipation effect is better, and the space layout is simple. In conclusion, the heat dissipation device of the stage lamp cutting assembly provided by the invention can effectively cool the stage lamp cutting assembly in time, has a good heat dissipation effect, does not damage the cutting assembly, and can ensure the long-term effective imaging effect of the stage lamp.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment 1 of the present invention;
FIG. 2 is an exploded view of the structure of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, a heat dissipation device of a stage cutting assembly, the stage cutting assembly includes a substrate 10, a light passing hole 20 disposed on the substrate 10 for a light beam to pass through, an aperture disposed on the light passing hole 20 for zooming the light beam, and a plurality of cutting blades 30 disposed on the substrate 10 and movable into and out of the light passing hole 20 to cut the light beam, the heat dissipation device includes two air supply devices 50 disposed on the substrate 10, and an air supply direction of the air supply devices 50 is parallel to a plane of the cutting blades 30.
Further, the stage lamp cutting assembly further includes a peripheral device 40 disposed outside the light hole 20, the heat dissipating device includes a baffle device 60 disposed at the periphery of the light hole 20, and the baffle device 60 is configured to make the air blown by the air supply device 50 form a spiral wind on the surface of the cutting blade 30. Specifically, the peripheral device 40 includes a first driving mechanism for driving the diaphragm zoom, a second driving mechanism for driving the movement of the cutting blade 30, and a third driving mechanism for driving the rotation of the substrate 10.
Further, the shutter device 60 is vertically installed on the base plate 10.
Further, two ventilation holes 61 are provided on the side of the baffle device 60, the air supply device 50 is disposed outside the baffle device 60, and the ventilation holes 61 are communicated with the air outlet of the air supply device 50. Specifically, the light passing hole 20 allowing the light beam to pass through and the cutting piece 30 for cutting the light beam in the light passing hole 20 are arranged on the inner side of the baffle device 60, the peripheral device 40 and the air supply device 50 are arranged on the outer side of the baffle device 60, the vent hole 61 is arranged on the side wall of the baffle device 60 opposite to the air supply hole of the air supply device 50, and the cutting piece 30 blown by the air supply device 50 from the vent hole to the inner side of the baffle device 60.
Further, the baffle device 60 has a cylindrical structure. Specifically, the baffle device is a hollow cylinder with one end fixed on the base plate 10 by bolts, and the light beam is injected from the other end of the hollow cylinder, passes through the light passing hole 20, and is cut and transformed by the cutting sheet 30 in the light passing hole 20.
Further, the baffle device 60 is provided with a first vent hole and a second vent hole, and the connection line of the first vent hole and the second vent hole is on the diameter of the cross section of the cylindrical structure. Specifically, the air supply directions of the first air supply device and the second air supply device which are respectively communicated with the first ventilation hole and the second ventilation hole are the same as the tangential direction along the cross section of the cylinder structure clockwise.
Further, the air blower 50 is a turbo fan.
Further, the first vent hole and the second vent hole are disposed at the position where the baffle device 60 is connected to the substrate 10, that is, the lower edges of the first vent hole and the second vent hole are adjacent to the plane of the substrate 10, the distances between the first vent hole and the second vent hole and the plane of the substrate are equal, and the direction of the formed spiral wind is parallel to the plane of the cutting blade.
Further, the height of the baffle device along the incident direction of the light beam is 20mm.
Example 2
As shown in fig. 3, in this embodiment, the heat dissipation device includes 1 air blowing device 50 disposed on the substrate 10, and an included angle between an air blowing direction of the air blowing device 50 and a plane of the cutting blade 30 is 15 °. The baffle device 60 is a cylindrical structure vertically mounted on the base plate 10, and is provided with a vent hole 61 on a side edge thereof and directly communicated with the air supply device 50, wherein the height of the vent hole 61 from the plane of the base plate is 2mm, and the height of the cylindrical baffle device along the axis direction is 36mm.
Example 3
In this embodiment, the heat dissipating device includes 1 air blowing device 50 disposed on the substrate 10, and an included angle between a blowing direction of the air blowing device 50 and a plane of the dicing sheet 30 is 28 °. The baffle device 60 is a regular hexagonal prism vertically installed on the substrate 10, two vent holes 61 are arranged on the side edges of the baffle device and are directly communicated with the air supply device 50, the vent holes 61 are respectively arranged on two opposite sides of the regular hexagonal prism with a regular hexagonal cross section, the height of the baffle device from the plane of the substrate is 3mm, and the height of the cylindrical baffle device along the axis direction is 25mm.
It is apparent that the present invention is disclosed in the above embodiments, but is not limited thereto. Any person skilled in the art may make variations and modifications to the above description without departing from the spirit and scope of the invention. The scope of the invention should, therefore, be determined with reference to the appended claims.
Claims (14)
1. The utility model provides a heat abstractor of stage lamp cutting assembly, stage lamp cutting assembly includes the base plate, be equipped with the logical unthreaded hole that can supply the light beam to pass on the base plate, still including setting up a plurality of cutting pieces that can move into and out logical unthreaded hole in order to cut the light beam on the base plate, a serial communication port, heat abstractor includes at least one air supply arrangement of setting on the base plate, air supply arrangement's air supply direction is on a parallel with the plane of cutting piece or towards the direction of cutting piece place, and air supply arrangement blows air to the cutting piece from the side.
2. A heat sink for a stage cutting assembly according to claim 1, wherein the direction of the air supplied by the air supply means is at an angle of no more than 30 ° to the plane of the cutting blade.
3. A heat sink for a stage lighting assembly according to claim 1 or 2, further comprising baffle means disposed at the periphery of the light passing hole, the baffle means being adapted to cause the air from the air supply means to form a spiral wind on the surface of the cutting blade.
4. A heat sink for a stage cutting assembly according to claim 3, wherein the baffle means is provided with at least one vent, the air supply means is arranged outside the baffle means, and the vent is in communication with the air outlet of the air supply means.
5. A heat sink for a stage cutting assembly according to claim 4, wherein the baffle means is mounted vertically on the base plate.
6. A heat sink for a stage cutting assembly according to claim 4 or 5, wherein the baffle means is of cylindrical configuration.
7. A heat sink for a stage lighting assembly according to claim 4 or claim 5, wherein the baffle means is provided with a first vent and a second vent, and the direction of air supplied by the first air supply means and the second air supply means respectively communicating with the first vent and the second vent is the same as clockwise or anticlockwise along the inner wall of the baffle means.
8. A heat sink for a stage cutting assembly according to claim 6, wherein the baffle means is provided with a first vent and a second vent, the first vent and second vent being connected to one another at the diameter of the cross section of the cylindrical structure.
9. A heat sink for a stage cutting assembly according to claim 6, wherein the diameter of the cross section of the baffle means of the cylindrical structure is not smaller than the diameter of the light passing aperture.
10. A heat sink for a stage cutting assembly according to claim 1 or 2, wherein the air supply means is a turbofan.
11. A heat sink for a stage cutting assembly according to claim 4, wherein the vent is no more than 3mm from the plane of the substrate.
12. A heat sink for a stage cutting assembly according to claim 5, wherein the height of the baffle means along the vertical base plate is no less than 10mm.
13. A heat sink for a stage cutting assembly according to claim 4 or 5, wherein the baffle means is a polygonal prism structure.
14. A heat sink for a stage cutting assembly according to claim 13, wherein the polygonal structure is a regular pentagonal or hexagonal prism or a heptagonal or octagonal prism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810948951.XA CN108800077B (en) | 2018-08-20 | 2018-08-20 | Heat abstractor of stage lamp cutting assembly |
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| CN201810948951.XA CN108800077B (en) | 2018-08-20 | 2018-08-20 | Heat abstractor of stage lamp cutting assembly |
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| CN108800077B true CN108800077B (en) | 2023-06-30 |
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| CN107631261A (en) * | 2017-10-31 | 2018-01-26 | 湖南明和光电设备有限公司 | Modular computer head moving lamp lamp holder |
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| JP2013171695A (en) * | 2012-02-21 | 2013-09-02 | Panasonic Corp | Lighting device, and blower unit for lighting device |
| CN105333408B (en) * | 2015-12-03 | 2019-02-19 | 广州市浩洋电子股份有限公司 | A kind of light of stage source module thermal system |
| CN105737117A (en) * | 2016-02-28 | 2016-07-06 | 广州市珠江灯光科技有限公司 | Heat radiation method of stage lamp and stage lamp structure thereof |
| CN106195931A (en) * | 2016-08-28 | 2016-12-07 | 张子和 | A kind of light of stage cutter sweep |
| CN206478609U (en) * | 2017-02-16 | 2017-09-08 | 广州市浩洋电子股份有限公司 | A kind of stage lighting cooling system of high efficiency shunting |
| CN207034995U (en) * | 2017-06-27 | 2018-02-23 | 广州市浩洋电子股份有限公司 | Stage lighting cutting device |
| CN108343937A (en) * | 2018-03-07 | 2018-07-31 | 广州市浩洋电子股份有限公司 | A kind of stage lighting driving plate heat radiation module and stage lighting bottom cabinet |
| CN208670970U (en) * | 2018-08-20 | 2019-03-29 | 广州市浩洋电子股份有限公司 | A kind of radiator of stage lighting cutting assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375366A (en) * | 2013-08-12 | 2015-02-25 | 株式会社理光 | Light source device and image projecting apparatus having the same |
| CN107631261A (en) * | 2017-10-31 | 2018-01-26 | 湖南明和光电设备有限公司 | Modular computer head moving lamp lamp holder |
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