CN219955256U - External heat dissipation device for light source of head shaking lamp - Google Patents
External heat dissipation device for light source of head shaking lamp Download PDFInfo
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- CN219955256U CN219955256U CN202321613228.9U CN202321613228U CN219955256U CN 219955256 U CN219955256 U CN 219955256U CN 202321613228 U CN202321613228 U CN 202321613228U CN 219955256 U CN219955256 U CN 219955256U
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- wind box
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 241000217776 Holocentridae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
An external heat dissipation device of a head shaking light source comprises a lamp cup and a bulb arranged in the lamp cup; the heat dissipation device comprises a wind box, fans are respectively arranged on two opposite outer sides of the wind box, a light source is arranged in the wind box, a through hole is formed in the wind box corresponding to the fan, a light blocking mechanism is arranged in the wind box corresponding to the through hole, the light blocking mechanism comprises a first folded plate and a second folded plate, the first folded plate is inversely buckled on the inner wall of the wind box, the second folded plate is inversely buckled in the first folded plate, the first folded plate comprises a first bottom plate and first inclined plates arranged on two sides of the first bottom plate, a first groove formed between the first bottom plate and the first inclined plates faces the fans, a first wind hole is formed in the first bottom plate corresponding to the light source position, the second folded plate comprises a second bottom plate and second inclined plates arranged on two sides of the second bottom plate, and a second groove formed between the second bottom plate and the second inclined plates faces the light source. On the basis of internal heat dissipation, the heat dissipation effect of the light source is further improved; the external heat dissipation device can not only dissipate heat of the light source, but also block light leakage of the side face of the light source.
Description
Technical Field
The utility model relates to stage lamps, in particular to an external heat dissipation device for a head shaking light source.
Background
In the practical process of the stage moving head lamp, the light source arranged at the lower part of the lamp body is a part generating most heat in the stage lamp, especially the high-power stage moving head lamp, because excessive heat generated by the bulb body at high temperature can be conducted to the top end and the bottom end of the bulb, if the heat cannot be timely and fully dissipated, the temperature of the top end and the bottom end of the bulb can be raised very high, the light effect is affected, the service life and the reliability of components such as the bulb, a circuit, an insulating material and the like are seriously reduced, and the light source is required to be cooled or dissipated. Wherein for a single ended discharge bulb light source, since the tip thereof comprises an electrical conductor connected to an electrode, said electrical conductor is on the one hand susceptible to oxidation and corrosion at high temperatures and on the other hand to peel stresses due to the difference in thermal expansion coefficients of said electrical conductor and the encapsulating material. The temperature at the top end of the single-ended discharge bulb is not suitable. At present, a heat radiation structure is added at a light source, such as a stage shaking head lamp single-blower heat radiation structure with a Chinese patent publication number of CN214147811U, and the stage shaking head lamp single-blower heat radiation structure comprises a lamp body shell, a lower air exhaust plate and a light source device, wherein a cavity is formed by surrounding the inner wall of the lamp body shell, the lower air exhaust plate is arranged at the lower end of the lamp body shell, the light source device is arranged in the cavity, the light source device comprises a lamp cup and a lamp wick, the lamp cup is composed of a lamp body base and a lamp cover body fixed on the lamp body base, the lamp wick is arranged in the cavity of the lamp cover body, one side of the lamp cover body is windowed to be connected with an air blower air outlet, the other side of the lamp cover body is windowed to be connected with an air flow channel inlet end, and the air flow channel is used for guiding air flow inside the lamp cover body. The heat dissipation is only aimed at the internal heat dissipation of the light source, and the external heat dissipation of the light source lamp cup is lacked, so that the heat dissipation effect is required to be improved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an external heat dissipation device for a light source of a head shaking light, which further improves the heat dissipation effect of the light source on the basis of internal heat dissipation; the external heat dissipation device can not only dissipate heat of the light source, but also block light leakage of the side face of the light source.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an external heat dissipation device of a head shaking light source comprises a lamp cup and a bulb arranged in the lamp cup; the heat dissipation device comprises a wind box, fans are respectively arranged on two opposite outer sides of the wind box, a light source is arranged in the wind box, a through hole is formed in the wind box corresponding to the fan, a light blocking mechanism is arranged in the position, corresponding to the through hole, of the inner wall of the wind box, the light blocking mechanism comprises a first folded plate and a second folded plate, wherein the first folded plate is reversely buckled on the inner wall of the wind box, the second folded plate is reversely buckled in the first folded plate, the first folded plate comprises a first bottom plate and a first inclined plate arranged on two sides of the first bottom plate, a first groove formed between the first bottom plate and the first inclined plate faces the fan, a first wind hole is formed in the position, corresponding to the light source, of the first bottom plate, the second folded plate comprises a second bottom plate and a second inclined plate arranged on two sides of the second bottom plate, and a second groove formed between the second bottom plate and the second inclined plate faces the light source. The principle of the utility model is as follows: one fan blows cold air into the air inlet box, the cold air and the lamp cup are changed into hot air after heat exchange, heat of the lamp cup is taken away, the hot air leaves the air box to be emitted outwards under the action of air draft of the other fan, external heat dissipation of the light source is completed, and the heat dissipation effect of the light source can be remarkably improved by matching with internal heat dissipation of the light source; the light blocking mechanism is arranged at the through hole of the air inlet and outlet, and the first folded plate and the second folded plate are matched to form a roundabout air channel, so that air can flow, light blocking is achieved, and side light leakage is prevented.
As an improvement, the fan at one side of the wind box is a blower, the fan at the other side of the wind box is an exhaust fan, and the light source is arranged between the two fans.
As an improvement, the wind box comprises a mounting plate at the top, a bottom sealing plate at the bottom, a first side plate at two opposite sides and a second side plate at the other two opposite sides, wherein the first side plate is fixed on the mounting plate, the second side plate and the first folding plate are fixed on the first side plate, the fan is fixed on the second side plate, and the second folding plate is fixed on the first folding plate.
As an improvement, the edges of the two sides of the first folded plate are provided with folded edges, the edge of the first side plate is provided with a mounting seat formed by the folded edges, and the second side plate and the folded edges are fixed on the mounting seat through bolts; the first bottom plate is provided with a connecting column, and the second folding plate is fixed on the connecting column through bolts.
As an improvement, the included angle between the first bottom plate and the first inclined plate is an obtuse angle, and the included angle between the second bottom plate and the second inclined plate is an obtuse angle.
Compared with the prior art, the utility model has the beneficial effects that:
one fan blows cold air into the air inlet box, the cold air and the lamp cup are changed into hot air after heat exchange, heat of the lamp cup is taken away, the hot air leaves the air box to be emitted outwards under the action of air draft of the other fan, external heat dissipation of the light source is completed, and the heat dissipation effect of the light source can be remarkably improved by matching with internal heat dissipation of the light source; the light blocking mechanism is arranged at the through hole of the air inlet and outlet, and the first folded plate and the second folded plate are matched to form a roundabout air channel, so that air can flow, light blocking is achieved, and side light leakage is prevented.
Drawings
Fig. 1 is a top view of a heat dissipating device.
Fig. 2 is a perspective view of a heat sink.
Fig. 3 is a schematic view of a light blocking mechanism.
Fig. 4 is an exploded view of the light blocking mechanism.
Description of the embodiments
The utility model is further described below with reference to the drawings.
As shown in fig. 1 and 2, an external heat dissipation device for a head shaking light source, a head shaking light source 1 comprises a lamp cup and a bulb arranged in the lamp cup. The heat dissipation device comprises a wind box 2, and the light source 1 is arranged in the middle of the wind box 2. The wind box 2 comprises a mounting plate 23 positioned at the top, a bottom sealing plate positioned at the bottom, a first side plate 21 positioned at two opposite sides and a second side plate 22 positioned at the other two opposite sides; the mounting plate 23 is provided with a light through hole corresponding to the lamp cup, the first side plate 21 is fixed on the mounting plate 23, and the second side plate 22 is fixed on the first side plate 21. The two opposite outsides of the wind box 2 are respectively provided with a fan 3, the fans 3 are fixed on the second side plate 22, the fan 3 on one side of the wind box 2 is a blower, the fan 3 on the other side of the wind box 2 is an exhaust fan, the light source 1 is arranged between the two fans 3, namely, the light source 1 is arranged on a wind path, and the external heat of the light source 1 is taken away by the passing airflow. Through holes 221 are formed in the second side plate 22 of the fan case 2 corresponding to the fans 3, the size of the through holes 221 is similar to that of the fans 3, and air flow formed by the fans 3 enters and exits the fan case 2 through the through holes. As shown in fig. 3 and 4, a light blocking mechanism 4 is arranged at a position corresponding to the through hole on the inner wall of the wind box 2, the light blocking mechanism 4 comprises a first folding plate 41 reversely buckled on the inner wall of the wind box 2 and a second folding plate 42 reversely buckled in the first folding plate 41, the first folding plate 41 comprises a first bottom plate 411 and first inclined plates 412 arranged on two sides of the first bottom plate 411, an included angle between the first bottom plate 411 and the first inclined plates 412 is an obtuse angle, a first groove formed between the first bottom plate 411 and the first inclined plates 412 faces the fan 3, and a first wind hole 413 is formed on the first bottom plate 411 corresponding to the position of the light source 1; the second folded plate 42 includes a second bottom plate 421 and second inclined plates 422 disposed at two sides of the second bottom plate 421, an included angle between the second bottom plate 421 and the second inclined plates 422 is an obtuse angle, and a second groove formed between the second bottom plate 421 and the second inclined plates 422 faces the light source 1; an air duct is formed between the first and second flaps 41 and 42. The edges of the two sides of the first folded plate 41 are provided with folded edges, the edge of the first side plate 21 is provided with a mounting seat formed by the folded edges, and the second side plate 22 and the folded edges are fixed on the mounting seat through bolts; the first bottom plate 411 is provided with a connecting post 423, and the second folded plate 42 is fixed on the connecting post through a bolt.
The principle of the utility model is as follows: one fan 3 blows cold air into the air inlet box 2, the cold air and the lamp cup are changed into hot air after heat exchange, the heat of the lamp cup is taken away, the hot air leaves the air box 2 to be emitted outwards under the action of the air draft of the other fan 3, the external heat dissipation of the light source 1 is completed, and the heat dissipation effect of the light source 1 can be remarkably improved by matching with the internal heat dissipation of the light source 1; the light blocking mechanism is arranged at the through hole of the air inlet and outlet, and the first folded plate 41 and the second folded plate 42 are matched to form a roundabout air channel, so that air can flow, the light blocking effect is achieved, and side light leakage is prevented.
Claims (5)
1. An external heat dissipation device of a head shaking light source comprises a lamp cup and a bulb arranged in the lamp cup; the method is characterized in that: the heat dissipation device comprises a wind box, fans are respectively arranged on two opposite outer sides of the wind box, a light source is arranged in the wind box, a through hole is formed in the wind box corresponding to the fan, a light blocking mechanism is arranged in the position, corresponding to the through hole, of the inner wall of the wind box, the light blocking mechanism comprises a first folded plate and a second folded plate, wherein the first folded plate is reversely buckled on the inner wall of the wind box, the second folded plate is reversely buckled in the first folded plate, the first folded plate comprises a first bottom plate and a first inclined plate arranged on two sides of the first bottom plate, a first groove formed between the first bottom plate and the first inclined plate faces the fan, a first wind hole is formed in the position, corresponding to the light source, of the first bottom plate, the second folded plate comprises a second bottom plate and a second inclined plate arranged on two sides of the second bottom plate, and a second groove formed between the second bottom plate and the second inclined plate faces the light source.
2. An exterior heat sink for a moving head light source as defined in claim 1, wherein: the fan on one side of the wind box is a blower, the fan on the other side of the wind box is an exhaust fan, and the light source is arranged between the two fans.
3. An exterior heat sink for a moving head light source as defined in claim 1, wherein: the fan box comprises a mounting plate positioned at the top, a bottom sealing plate positioned at the bottom, a first side plate positioned at two opposite sides and a second side plate positioned at the other two opposite sides, wherein the first side plate is fixed on the mounting plate, the second side plate and the first folding plate are fixed on the first side plate, the fan is fixed on the second side plate, and the second folding plate is fixed on the first folding plate.
4. A moving head light source external heat sink as defined in claim 3, wherein: the edges of the two sides of the first folded plate are provided with folded edges, the edge of the first side plate is provided with a mounting seat formed by the folded edges, and the second side plate and the folded edges are fixed on the mounting seat through bolts; the first bottom plate is provided with a connecting column, and the second folding plate is fixed on the connecting column through bolts.
5. An exterior heat sink for a moving head light source as defined in claim 1, wherein: the included angle between the first bottom plate and the first inclined plate is an obtuse angle, and the included angle between the second bottom plate and the second inclined plate is an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613228.9U CN219955256U (en) | 2023-06-25 | 2023-06-25 | External heat dissipation device for light source of head shaking lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613228.9U CN219955256U (en) | 2023-06-25 | 2023-06-25 | External heat dissipation device for light source of head shaking lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219955256U true CN219955256U (en) | 2023-11-03 |
Family
ID=88551553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321613228.9U Active CN219955256U (en) | 2023-06-25 | 2023-06-25 | External heat dissipation device for light source of head shaking lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219955256U (en) |
-
2023
- 2023-06-25 CN CN202321613228.9U patent/CN219955256U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240112 Address after: Building 1, 4th Floor, No. 18 Nanhang Avenue North, Shiling Town, Huadu District, Guangzhou City, Guangdong Province, 510800 Patentee after: Guangzhou Lishi Lighting Equipment Co.,Ltd. Address before: 510800 second floor, building 1, No. 18, Nanhang Avenue North, Shiling Town, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU LEES ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right |