CN211478828U - LED photographic light source - Google Patents
LED photographic light source Download PDFInfo
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- CN211478828U CN211478828U CN201922443991.1U CN201922443991U CN211478828U CN 211478828 U CN211478828 U CN 211478828U CN 201922443991 U CN201922443991 U CN 201922443991U CN 211478828 U CN211478828 U CN 211478828U
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Abstract
The utility model discloses a LED photographic light source, which comprises a Fresnel condensing lens, a lens protection piece, a light emitting chip, a divergence angle adjusting device, a temperature measuring device, a water cooling device, a power supply controller and a shell; the temperature measuring device is respectively connected with the power supply controller and the light-emitting chip through leads; the water cooling device is connected with the back plate of the light-emitting chip, and heat-conducting silica gel is filled between the water cooling device and the light-emitting chip; the water cooling device is connected with the divergence angle adjusting device; the power supply controller is fixed on the inner side of the shell. The temperature measuring device monitors the temperature of the light-emitting chip in real time, so that the light-emitting chip is protected, and the service life of the light-emitting chip is prolonged; the design of water cooling plant can reach radiating effect simultaneously, can also balance radiator fan's efficiency and noise, brings better stability, more can satisfy the experiment, the test environment that need high stability. The utility model discloses can apply to the high-speed field of shooing.
Description
Technical Field
The utility model belongs to the technical field of high-speed the shooting and specifically relates to a LED photographic light source.
Background
The high-intensity LED light source has the advantages of high luminous efficiency, high intensity and long service life, and because of the characteristics of the LED product, the temperature of the product has very important influence on the service life, and the heat dissipation design of the lamp plays a very important role in the design of the product; in the field of high-speed photography, the shutter time of a high-speed camera is short, and the high-speed camera can clearly image within several microseconds generally, so that the total light incoming quantity collected in one picture is low, the illumination of a light source is improved, the imaging quality can be obviously improved, the power of a currently commonly used product is about 200W, the main product adopts a passive heat dissipation or air cooling heat dissipation mode to dissipate heat of the product, the product is large in size, and the light effect is low; and the active air-cooled heat dissipation can generate larger noise and vibration, and the instability of the experimental environment is increased.
Disclosure of Invention
In order to solve at least one of the above technical problems, an object of the present invention is to provide an LED photographic light source.
The utility model adopts the technical proposal that: the utility model comprises an LED photographic light source, which comprises a Fresnel condensing lens (1), a lens protector (2), a luminous chip (3), a divergence angle adjusting device (4), a temperature measuring device (5), a water cooling device (6), a power controller (7) and a shell (8);
the temperature measuring device (5) is respectively connected with the power supply controller (7) and the light-emitting chip (3) through leads; the water cooling device (6) is connected with the back plate of the light-emitting chip (3), and heat-conducting silica gel is filled between the water cooling device (6) and the light-emitting chip (3); the water cooling device (6) is connected with the divergence angle adjusting device (4); the power controller (7) is fixed on the inner side of the shell (8).
Furthermore, the temperature measuring device (5) is fixed on the light emitting chip (3) through a first screw; the water cooling device (6) is connected with the back plate of the light-emitting chip (3) through a second screw; the water cooling device (6) is fixed on the divergence angle adjusting device (4) through a third screw; and the power supply controller (7) is fixed on the inner side of the shell (8) through a fourth screw.
Further, the water cooling device (6) comprises a water cooling row (601), a cooling liquid guide pipe (602), a water cooling tower (603), a heat dissipation fan (604) and a multilayer composite heat dissipation net (605);
one end of the cooling liquid guide pipe (602) is connected with the water cooling bar (601), the other end of the cooling liquid guide pipe (602) is connected with the water cooling tower (603), the cooling fan (604) is fixed on the outer wall of the water cooling tower (603), and the cooling liquid guide pipe (602) is attached to the multilayer composite cooling net (605); the multilayer composite heat dissipation net (605) is fixed on the outer wall of the water cooling tower (603).
Furthermore, the water cooling bar (601) is attached to the light emitting chip (3), a heat conduction base is connected between the water cooling bar (601) and the light emitting chip (3), and the light emitting chip (3) is fixed on one surface of the heat conduction base through a fifth screw; the water cooling bar (601) is fixed on the other surface of the heat conduction base through a sixth screw.
Further, the water cooling row (601) is connected with the cooling liquid conduit (602) to enable the cooling liquid in the cooling liquid conduit (602) to circularly flow in the cooling liquid conduit (602).
Further, the bottom of the heat conduction base is of a pit structure, and heat conduction silica gel is filled at the bottom of the heat conduction base.
The utility model has the advantages that: the utility model can provide good heat dissipation effect by the design of the water cooling device and the combination of the temperature measuring device; meanwhile, the temperature measuring device is beneficial to protecting the light-emitting chip and prolonging the service life of the light-emitting chip; the design of water cooling plant can reach radiating effect simultaneously, can also balance radiator fan's efficiency and noise, brings better stability, more can satisfy the experiment, the test environment that need high stability.
Drawings
Fig. 1 is a structural diagram of an LED photographic light source of the present invention;
FIG. 2 is a structural diagram of the LED photographic light source water cooling device of the present invention;
fig. 3 is a structural view of a coolant conduit according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, an LED photographic light source includes a fresnel condensing lens (1), a lens protector (2), a light emitting chip (3), a divergence angle adjusting device (4), a temperature measuring device (5), a water cooling device (6), a power controller (7), and a housing (8);
the temperature measuring device (5) is respectively connected with the power supply controller (7) and the light-emitting chip (3) through leads; the water cooling device (6) is connected with the back plate of the light-emitting chip (3), and heat-conducting silica gel is filled between the water cooling device (6) and the light-emitting chip (3); the water cooling device (6) is connected with the divergence angle adjusting device (4); the power controller (7) is fixed on the inner side of the shell (8).
Further as an optional implementation mode, the temperature measuring device (5) is fixed on the light emitting chip (3) through a first screw; the water cooling device (6) is connected with the back plate of the light-emitting chip (3) through a second screw; the water cooling device (6) is fixed on the divergence angle adjusting device (4) through a third screw; and the power supply controller (7) is fixed on the inner side of the shell (8) through a fourth screw.
Referring to fig. 2, the structure diagram of the water cooling device of the present invention, the water cooling device (6) includes a water cooling bar (601), a coolant conduit (602), a water cooling tower (603), a heat dissipation fan (604), and a multi-layer composite heat dissipation net (605);
one end of the cooling liquid guide pipe (602) is connected with the water cooling bar (601), the other end of the cooling liquid guide pipe (602) is connected with the water cooling tower (603), the cooling fan (604) is fixed on the outer wall of the water cooling tower (603), and the cooling liquid guide pipe (602) is attached to the multilayer composite cooling net (605); the multilayer composite heat dissipation net (605) is fixed on the outer wall of the water cooling tower (603).
As a further optional implementation manner, the water cooling bar (601) is attached to the light emitting chip (3), a heat conduction base is connected between the water cooling bar (601) and the light emitting chip (3), and the light emitting chip (3) is fixed on one surface of the heat conduction base through a fifth screw; the water cooling bar (601) is fixed on the other surface of the heat conduction base through a sixth screw.
In the embodiment, the divergence angle of the light emitted by the light source can be adjusted by adjusting the position of the divergence angle adjusting device (4); in the embodiment, the temperature measuring device (5) is used as a mechanical switch in a power supply loop formed by the light-emitting chip (3) and the power controller (7), when the temperature reaches a specific threshold value, the mechanical switch in the temperature measuring device (5) is disconnected, so that the power supply loop is disconnected, power supply to the light-emitting chip (3) is stopped, the light-emitting chip (3) is extinguished, heat generation of the light-emitting chip (3) can be reduced, the light-emitting chip (3) can be protected, and the light-emitting chip (3) is prevented from being damaged due to overhigh temperature.
In the embodiment, the light-emitting chip (3) is arranged to be tightly attached to the heat-conducting base which is tightly attached to the water cooling bar (601) in the water cooling device (6), so that the heat-radiating efficiency can be improved as much as possible; the cooling liquid guide pipe (602) is arranged to be attached to the multilayer composite heat dissipation net (605), so that the cooling liquid in the cooling liquid guide pipe (602) releases heat to the multilayer composite heat dissipation net (605), and further, the water cooling tower (603) and the heat dissipation fan (604) can dissipate heat in the multilayer composite heat dissipation net (605).
Further as an alternative embodiment, the water cooling row (601) is connected with the cooling liquid conduit (602) to enable the cooling liquid in the cooling liquid conduit (602) to circularly flow in the cooling liquid conduit (602).
Referring to fig. 3, in this embodiment, the water cooling bar (601) is connected to the coolant conduit (602) by a screw, and the coolant conduit (602) is a sealed metal pipe formed by bending for many times; and is fixed on the cooling liquid conduit (602) by a wire mesh in a welding way, thereby increasing the heat dissipation area; and the cooling liquid guide pipe (602) can increase the heat dissipation area through repeated bending, the cooling liquid is driven by the water cooling row to circularly flow in the cooling liquid guide pipe (602), and the heat of the cooling liquid is dissipated through the pipe wall of the cooling liquid guide pipe (602) and the wire mesh welded on the pipe wall.
Further as optional implementation mode, the bottom of the heat conduction base is of a pit structure, and heat conduction silica gel is filled in the bottom of the heat conduction base.
In the embodiment, the light-emitting chip (3) is arranged to be tightly attached to the heat-conducting base which is tightly attached to the water cooling bar (601) in the water cooling device (6), wherein the heat-conducting base is arranged to be of a pit structure, so that heat dissipation is facilitated, heat-conducting silica gel is filled at the bottom of the heat-conducting base, so that heat-conducting efficiency is further improved, and through the arrangement, the heat-dissipating efficiency can be improved as much as possible; the cooling liquid guide pipe (602) is arranged to be attached to the multilayer composite heat dissipation net (605), so that the cooling liquid in the cooling liquid guide pipe (602) releases heat to the multilayer composite heat dissipation net (605), and further, the water cooling tower (603) and the heat dissipation fan (604) can dissipate heat in the multilayer composite heat dissipation net (605).
It should be noted that the terms first, second, third, fourth, fifth, sixth, etc. are used herein to describe various elements, but these elements should not be limited to these terms, and these terms are only used to distinguish one element of the same type from another.
Similarly, when a feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature, unless otherwise specified. Furthermore, the descriptions of upper, lower, left, right, etc. used in the present disclosure are only relative to the mutual positional relationship of the constituent parts of the present disclosure in the drawings. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, unless defined otherwise, all technical and scientific terms used in this example have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description of the embodiments herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included in the scope of the appended claims.
Claims (6)
1. An LED photographic light source is characterized by comprising a Fresnel condensing lens (1), a lens protector (2), a light emitting chip (3), a divergence angle adjusting device (4), a temperature measuring device (5), a water cooling device (6), a power controller (7) and a shell (8);
the temperature measuring device (5) is respectively connected with the power supply controller (7) and the light-emitting chip (3) through leads; the water cooling device (6) is connected with the back plate of the light-emitting chip (3), and heat-conducting silica gel is filled between the water cooling device (6) and the light-emitting chip (3); the water cooling device (6) is connected with the divergence angle adjusting device (4); the power controller (7) is fixed on the inner side of the shell (8).
2. The LED photographic light source according to claim 1, characterized in that the temperature measuring device (5) is fixed on the light emitting chip (3) by a first screw; the water cooling device (6) is connected with the back plate of the light-emitting chip (3) through a second screw; the water cooling device (6) is fixed on the divergence angle adjusting device (4) through a third screw; and the power supply controller (7) is fixed on the inner side of the shell (8) through a fourth screw.
3. The LED photographic light source of claim 2, characterized in that the water cooling device (6) comprises a water cooling row (601), a cooling liquid conduit (602), a water cooling tower (603), a heat dissipation fan (604) and a multi-layer composite heat dissipation net (605);
one end of the cooling liquid guide pipe (602) is connected with the water cooling bar (601), the other end of the cooling liquid guide pipe (602) is connected with the water cooling tower (603), the cooling fan (604) is fixed on the outer wall of the water cooling tower (603), and the cooling liquid guide pipe (602) is attached to the multilayer composite cooling net (605); the multilayer composite heat dissipation net (605) is fixed on the outer wall of the water cooling tower (603).
4. The LED photographic light source according to claim 3, characterized in that the water cooling bar (601) is attached to the light emitting chip (3), a heat conducting base is connected between the water cooling bar (601) and the light emitting chip (3), and the light emitting chip (3) is fixed on one side of the heat conducting base through a fifth screw; the water cooling bar (601) is fixed on the other surface of the heat conduction base through a sixth screw.
5. An LED photographic light source as claimed in claim 3, characterized in that the water cooling row (601) is connected to the cooling liquid conduit (602) to circulate the cooling liquid in the cooling liquid conduit (602) through the cooling liquid conduit (602).
6. The LED photographic light source of claim 4, wherein the bottom of the heat conducting base is of a pit structure, and the bottom of the heat conducting base is filled with heat conducting silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443991.1U CN211478828U (en) | 2019-12-27 | 2019-12-27 | LED photographic light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443991.1U CN211478828U (en) | 2019-12-27 | 2019-12-27 | LED photographic light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211478828U true CN211478828U (en) | 2020-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922443991.1U Active CN211478828U (en) | 2019-12-27 | 2019-12-27 | LED photographic light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211478828U (en) |
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2019
- 2019-12-27 CN CN201922443991.1U patent/CN211478828U/en active Active
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