CN210118644U - Large-area-array LED light source system for schlieren illumination - Google Patents
Large-area-array LED light source system for schlieren illumination Download PDFInfo
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- CN210118644U CN210118644U CN201920700796.XU CN201920700796U CN210118644U CN 210118644 U CN210118644 U CN 210118644U CN 201920700796 U CN201920700796 U CN 201920700796U CN 210118644 U CN210118644 U CN 210118644U
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- schlieren
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Abstract
The utility model relates to a light source and lighting technology field especially relate to a big area array LED light source system for schlieren illumination, and it has solved current halogen tungsten lamp light source and is carrying out schlieren illumination in-process luminance low, the poor, the schlieren image yellow partially and the poor problem of radiating effect of going on. The system comprises a large-area array LED, a flange shell, a power interface, a heat conduction copper pipe and a heat dissipation device; the large area array LED is fixed in the center of the flange shell and positioned in front of the heat dissipation device; the power interface is arranged at the rear end of the heat dissipation device; one end of the heat conduction copper pipe is connected with the flange shell, and the other end of the heat conduction copper pipe penetrates through the heat dissipation device.
Description
Technical Field
The utility model relates to a light source and lighting technology field especially relate to a big area array LED light source system for schlieren illumination.
Background
In a schlieren test, a light source is used for providing light path illumination, light emitted by the light source is firstly expanded by a focusing lens and then collimated into parallel light beams by a collimation main reflector, the light beams are reflected by a schlieren main reflector after passing through a test area and enter an imaging subsystem, and schlieren images are formed after the light beams are processed by the imaging subsystem.
The light source is selected mainly from three indexes of illuminance, reliability and color rendering of the imaging system.
The light emitting surface of the traditional tungsten halogen lamp is an approximate surface light source formed by winding filaments, the filament image can be obviously seen when the filament is projected to a slit, the color of the tungsten halogen lamp is milky white, and the schlieren image is yellow.
In addition, the tungsten halogen lamp generates a large amount of heat in the light emitting process, and the service life of the light source is greatly shortened due to poor heat dissipation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, the utility model provides a big area array LED light source system for schlieren illumination, it has solved current halogen tungsten lamp light source and is carrying out schlieren illumination in-process luminance low, the poor, the schlieren image yellow partially and the poor problem of radiating effect.
The utility model discloses a concrete technical scheme is:
the utility model provides a big area array LED light source system for schlieren illumination, its characterized in that: the LED lamp comprises a large-area-array LED lamp, a flange shell, a power interface, a heat conduction copper pipe and a heat dissipation device;
the large area array LED is fixed in the center of the flange shell and positioned in front of the heat dissipation device;
the power interface is arranged at the rear end of the heat dissipation device;
one end of the heat conduction copper pipe is connected with the flange shell, and the other end of the heat conduction copper pipe is arranged in the heat dissipation device in a penetrating mode.
Further, the large area array LED is a hexagonal inscribed circle array composed of 61 LED lamps.
Further, the specific parameters of each LED lamp are: the light emitting region is phi 12mm, the light emitting power is 40W, the maximum luminous flux is 4000lm, and the light emitting efficiency is 100 lm/W.
Furthermore, the heat dissipation device comprises a heat dissipation fin and at least one fan which is tightly attached to a heat dissipation area of the heat dissipation fin;
furthermore, the radiating fins are arranged side by adopting a plurality of layers of folded fins and are integrally in a rectangular structure.
Further, the clearance between each layer of folded fins in the cooling fin is 10 mm.
Furthermore, a direct current power supply is connected behind the power supply interface
Further, the number of the fans is two.
The utility model has the advantages as follows:
one, the utility model discloses a large area array LED schlieren illumination compares in traditional halogen tungsten lamp schlieren light source, can acquire hi-lite, good, the even schlieren image of illuminance of developing, and the gained schlieren image background of LED schlieren illumination is white for sunlight, is fit for the schlieren illumination more.
Two, the utility model discloses a heat conduction copper pipe, fin and fan integration's heat dissipation design, the overheated impaired problem of effective solution system has improved the life of light source.
Thirdly, the utility model discloses well fin adopts the design of multilayer fold fin, has improved heat radiating area greatly, has improved the radiating efficiency.
Fourthly, the utility model discloses a two fans dispel the heat, further improvement radiating effect.
Fifthly, the utility model discloses a DC power supply is the power supply of big area array LED lamp, can directly adjust big area array LED illumination luminance, easy operation.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic structural diagram of a large area array LED.
The reference numbers are as follows:
the LED lamp comprises a large-area-array LED lamp 1, a flange shell 2, a heat conduction copper pipe 3, a heat radiating fin 4, a fan 5 and a power supply interface 6.
Detailed Description
For the purpose of illustrating the structural features and concrete forms of the present invention in detail, reference will now be made to the examples and accompanying drawings.
As shown in fig. 1, a large-area array LED light source system for schlieren illumination is characterized in that: the LED lamp comprises a large-area-array LED lamp 1, a flange shell 2, a power supply interface 6, a heat conducting copper pipe 3 and a heat dissipation device;
in this embodiment, the heat dissipation device is composed of a heat sink 4 and at least one fan 5 (two fans in this example) mounted close to the heat dissipation area of the heat sink (the upper and lower planes formed by the heat sink). The radiating fins 4 are arranged side by adopting a plurality of layers of folded fins, and the radiating fins 4 are integrally rectangular.
The power interface 6 is externally connected with a direct current power supply.
The connection structure of each part of the light source is as follows:
the large-area-array LED lamp 1 is fixed in the center of the flange shell 2, a direct-current power supply is connected behind the power supply interface 6 to supply power to the large-area-array LED1, one end of the heat conduction copper pipe 3 is arranged on the flange shell, the other end of the heat conduction copper pipe penetrates through all the radiating fins 4 (the penetrating direction is from the front to the back), and the two fans 5 are respectively installed on two sides of the radiating fins 4.
The heat dissipation principle is as follows: the large-area array LED transfers heat to each radiating fin through the flange shell and the heat conducting copper pipe in the working process, and then transfers the heat to the external air through the two fans.
The large-area array LED is a hexagonal inscribed circular array formed by 61 LED lamps. The parameters of each LED lamp are as follows:
the light emitting region is phi 12mm, the light emitting power is 40W, the maximum luminous flux is 4000lm, and the light emitting efficiency is 100 lm/W.
Size (mm × mm)17.85 × 17.85;
maximum drive current (a) 1.05;
a maximum power (W) of 40;
light output (lm) 4000;
light source light emission size (mm) 12;
angle of view (°) 115.
The utility model provides a large-area array LED lamp color development is the sunlight color, and the line shadow picture is whiter, and just required light source of colored line shadow system is white, just so can not influence colored line shadow system formation of image, so the utility model discloses a LED light source system is adapted to colored line shadow illumination more than current halogen tungsten lamp.
Claims (8)
1. A large-area array LED light source system for schlieren illumination is characterized in that: the LED lamp comprises a large-area array LED, a flange shell, a power interface, a heat conduction copper pipe and a heat dissipation device;
the large area array LED is fixed in the center of the flange shell and positioned in front of the heat dissipation device;
the power interface is arranged at the rear end of the heat dissipation device;
one end of the heat conduction copper pipe is connected with the flange shell, and the other end of the heat conduction copper pipe penetrates through the heat dissipation device.
2. The large area array LED light source system for schlieren illumination as claimed in claim 1, wherein: the large-area array LED is a hexagonal inscribed circular array formed by 61 LED lamps.
3. The large area array LED light source system for schlieren illumination as claimed in claim 2, wherein: the light emitting area of each LED lamp is phi 12mm, the light emitting power is 40W, the maximum luminous flux is 4000lm, and the light emitting efficiency is 100 lm/W.
4. The large area array LED light source system for schlieren illumination as claimed in claim 3, wherein: the heat dissipation device comprises a heat dissipation fin and at least one fan which is tightly attached to a heat dissipation area of the heat dissipation fin.
5. The large area array LED light source system for schlieren illumination as claimed in claim 4, wherein: the radiating fins are arranged side by adopting a plurality of layers of folded fins and are integrally of a rectangular structure.
6. The large area array LED light source system for schlieren illumination as claimed in claim 5, wherein: the clearance between each layer of fold fin in the fin is 10 mm.
7. The large area array LED light source system for schlieren illumination as claimed in claim 6, wherein: the power interface is connected with a direct current power supply.
8. The large area array LED light source system for schlieren illumination as claimed in claim 7, wherein: the number of the fans is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700796.XU CN210118644U (en) | 2019-05-15 | 2019-05-15 | Large-area-array LED light source system for schlieren illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700796.XU CN210118644U (en) | 2019-05-15 | 2019-05-15 | Large-area-array LED light source system for schlieren illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118644U true CN210118644U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920700796.XU Active CN210118644U (en) | 2019-05-15 | 2019-05-15 | Large-area-array LED light source system for schlieren illumination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159939A (en) * | 2019-05-15 | 2019-08-23 | 中国科学院西安光学精密机械研究所 | A kind of large area array LED light source system for schlieren illumination |
-
2019
- 2019-05-15 CN CN201920700796.XU patent/CN210118644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159939A (en) * | 2019-05-15 | 2019-08-23 | 中国科学院西安光学精密机械研究所 | A kind of large area array LED light source system for schlieren illumination |
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