CN218213722U - Light supplement device - Google Patents
Light supplement device Download PDFInfo
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- CN218213722U CN218213722U CN202222091743.7U CN202222091743U CN218213722U CN 218213722 U CN218213722 U CN 218213722U CN 202222091743 U CN202222091743 U CN 202222091743U CN 218213722 U CN218213722 U CN 218213722U
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Abstract
The utility model relates to the technical field of camera shooting, and discloses a light supplementing device, which comprises a fixed light source component and at least one adjustable light source component, wherein the adjustable light source component comprises a first light source, a first reflector positioned on a light-emitting path of the first light source and a second reflector positioned on the light-emitting path of the first reflector, and light reflected by the second reflector and light emitted by the fixed light source component are used for supplementing light for the field of view of the same lens; at least one of the first reflector and the second reflector corresponds to a driving part, and the power output end of the driving part is connected with the corresponding first reflector or the second reflector so as to drive the corresponding first reflector or the corresponding second reflector to rotate. This light filling device has improved prior art, carries out the light filling through single light filling lamp to the visual field of control, is difficult to satisfy the problem of monitored control system light filling demand.
Description
Technical Field
The utility model relates to a technical field of make a video recording, in particular to light filling device.
Background
Under the not enough condition of ambient light, control formation of image picture can the variation, consequently, need additionally to be equipped with the light filling lamp and carry out the light filling to the environment to guarantee the imaging quality.
In the prior art, a single light supplement lamp is used for supplementing light to a monitored view field (namely, a view field of a lens), the illumination angle of the single light supplement lamp is fixed, and if the illumination intensity in the view field is too high after the light supplement, an overexposure phenomenon occurs at a strong reflection position in the view field; if the illumination intensity in the field of view is insufficient after the light supplement, the noise at the dark place is increased and even invisible. Therefore, it is difficult to meet the light supplement requirement of the monitoring system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a light filling device can improve prior art, carries out the light filling through single light filling lamp to the visual field of control, is difficult to satisfy the problem of monitored control system light filling demand.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a light supplement device, comprising: the adjustable light source assembly comprises a first light source, a first reflector positioned on a light-emitting path of the first light source and a second reflector positioned on the light-emitting path of the first reflector, and light reflected by the second reflector and light emitted by the fixed light source assembly are used for supplementing light for a field of view of the same lens;
at least one of the first reflector and the second reflector corresponds to a driving part, and the power output end of the driving part is connected with the corresponding first reflector or the corresponding second reflector so as to drive the corresponding first reflector or the corresponding second reflector to rotate.
The light filling device that this embodiment provided is including being used for fixed light source subassembly and at least one adjustable light source subassembly for the visual field B light filling of same camera lens, and wherein, fixed light source subassembly can be directly to the visual field projection light of camera lens, provides the light filling on a large scale in camera lens visual field. The adjustable optical source component comprises a first light source, a first reflector and a second reflector, the first reflector is located on a light emitting path of the first light source, the second reflector is located on the light emitting path of the first reflector, light reflected by the second reflector can be used for field-of-view light supplement of the lens, namely, light emitted by the first light source can reach the first reflector and reach the second reflector after being reflected by the first reflector, and then the light supplement is used for field-of-view light supplement of the lens after being reflected by the second reflector. And at least one of the first reflector and the second reflector corresponds there is drive division, drive division can drive first reflector or the second reflector rotation that corresponds, thereby change the reflection angle of light, and then change the position of adjustable light source subassembly for the light filling of camera lens field of view, make the light filling device that this embodiment provided enough provide the light filling on a large scale for the camera lens field of view through fixed light source subassembly, can provide the regional adjustable light filling of light filling again for the camera lens field of view through adjustable light source subassembly, more can satisfy the light filling demand of camera lens.
In addition, the light intensity of the light supplement area can be adjusted by adjusting the current of the light source, so that a better light supplement effect is achieved.
Optionally, the number of the driving portions is two, one of the two driving portions is a first driving portion connected to the first reflecting mirror, and the other of the two driving portions is a second driving portion connected to the second reflecting mirror, the first driving portion drives the first reflecting mirror to rotate around a first axis, and the second driving portion drives the second reflecting mirror to rotate around a second axis;
wherein an included angle between the first axis and the second axis is greater than zero.
Optionally, the first light source is disposed on a mounting plate, and an included angle between an optical axis of the first light source and the mounting plate is greater than zero;
the first reflector is located the first light source deviates from one side of mounting panel, the second reflector with first reflector is located same one side of mounting panel, just first reflector with the second reflector sets up along first direction interval, wherein, first direction is on a parallel with the mounting panel.
Optionally, a direction parallel to the mounting plate and perpendicular to the first direction is a second direction, a direction perpendicular to the mounting plate is a third direction, the first axis is parallel to the second direction, and the second axis is parallel to the third direction.
Optionally, the first mirror has a first symmetry axis, and the power output end of the first driving part includes a first output shaft, and an axis of the first output shaft coincides with an axis of the first symmetry axis.
Optionally, the first mirror is rectangular in shape.
Optionally, the second mirror has a second symmetric shaft, and the power output end of the second driving part includes a second output shaft, and an axis of the second output shaft coincides with an axis of the second symmetric shaft.
Optionally, the second mirror is rectangular in shape.
Optionally, the light filling device is including being formed with the casing that holds the chamber, fixed light source subassembly first light source first speculum and second mirror all are located in the casing, just be equipped with on the casing and be located first light-emitting hole on the fixed light source subassembly light-emitting path, and be located second light-emitting hole on the second mirror light-emitting path.
Optionally, the light supplement device includes a main board, and the fixed light source assembly, the first light source, and each of the driving portions are electrically connected to the main board.
The utility model also provides a camera, an arbitrary light filling device that provides in camera lens and the above-mentioned technical scheme, the light-emitting direction orientation of light filling device the visual field of camera lens.
The camera that this embodiment provided includes above-mentioned light filling device, and the light filling device is including being used for fixed light source subassembly and at least one adjustable light source subassembly for the visual field light filling of camera lens, and wherein, fixed light source subassembly can be directly to the visual field projection light of camera lens, provides the light filling on a large scale in camera lens visual field. The adjustable light source component comprises a first light source, a first reflector and a second reflector, the first reflector is located on a light emitting path of the first light source, the second reflector is located on a light emitting path of the first reflector, light reflected by the second reflector can be used for field-of-view light supplement of the lens, namely, light emitted by the first light source can reach the first reflector, and reaches the second reflector after being reflected by the first reflector, and then is used for field-of-view light supplement of the lens after being reflected by the second reflector. And at least one of the first reflector and the second reflector corresponds there is the drive division, and the drive division can drive corresponding first reflector or second reflector and rotate to change the reflection angle of light, and then change the position of camera lens field of view light filling (the light filling position removes in the field of view of camera lens), make in the camera that this embodiment provided, the position of camera lens field of view light filling is adjustable, more can satisfy the light filling demand of camera lens.
Drawings
Fig. 1 is a schematic structural view of a light supplement device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the light supplement device shown in fig. 1 with a part of the structure omitted;
fig. 3 is a schematic structural view of an adjustable light source assembly in a light supplement device according to an embodiment of the present invention;
fig. 4 is a schematic light path diagram of an adjustable light source assembly in the light supplement device shown in fig. 3;
fig. 5 is a schematic view illustrating a light spot of a light source module moving vertically in a light supplement device according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating horizontal movement of light spots of a light source module in a light supplement device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a light supplementing device provided by an embodiment of the present invention, wherein the light source module light spot can be adjusted to move in a two-dimensional plane.
An icon: 1-fixing a light source assembly; 2-an adjustable light source assembly; 21-a first light source; 22-a first mirror; 23-a second mirror; 31-a first drive; 32-a second drive section; 4-mounting a plate; 5-a shell; 51-a first light outlet; 52-second light outlet; 100-lens.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a light supplement device provided in this embodiment includes a fixed light source assembly 1 and at least one adjustable light source assembly 2, where the adjustable light source assembly 2 includes a first light source 21, a first reflector 22 located on a light emitting path of the first light source 21, and a second reflector 23 located on a light emitting path of the first reflector 22, and light reflected by the second reflector 23 and light emitted by the fixed light source assembly 1 are used for supplementing light for a field B of the same lens 100;
at least one of the first reflector 22 and the second reflector 23 corresponds to a driving part, and a power output end of the driving part is connected with the corresponding first reflector 22 or the second reflector 23 so as to drive the corresponding first reflector 22 or the corresponding second reflector 23 to rotate.
The light supplement device provided by this embodiment includes a fixed light source assembly 1 and at least one adjustable light source assembly 2 for supplementing light for a field B of the same lens 100, and the fixed light source assembly 1 and the adjustable light source assembly 2 are combined to form a light supplement system capable of being enhanced, wherein the fixed light source assembly 1 can directly project light to the field B of the lens 100, so as to provide large-range light supplement for the field B of the lens 100. The adjustable light source assembly 2 comprises a first light source 21, a first reflector 22 and a second reflector 23, the first reflector 22 is located on a light emitting path of the first light source 21, the second reflector 23 is located on a light emitting path of the first reflector 22, light reflected by the second reflector 23 can supplement light for a view field of the lens 100, namely, light emitted by the first light source 21 can reach the first reflector 22, reach the second reflector 23 after being reflected by the first reflector 22, and supplement light for the view field of the lens 100 after being reflected by the second reflector 23. And at least one of first speculum 22 and second speculum 23 two corresponds there is the drive division, the drive division can drive corresponding first speculum 22 or second speculum 23 and rotate, thereby change the reflection angle of light, and then change the position that adjustable optical source subassembly 2 was the light filling of camera lens 100 field of view, make the light filling device that this embodiment provided enough provide the light filling on a large scale for camera lens 100 field of view through fixed optical source subassembly 1, can provide the regional adjustable local reinforcing light filling of light filling again for camera lens 100 field of view through adjustable optical source subassembly 2, more can satisfy camera lens 100's light filling demand.
In addition, the light intensity of the light supplement area can be adjusted by adjusting the current of the light source, so that a better light supplement effect is achieved.
In an alternative implementation manner, the number of the driving portions is two, one of the two driving portions is a first driving portion 31 connected to the first reflecting mirror 22, and the other one of the two driving portions is a second driving portion 32 connected to the second reflecting mirror 23, the first driving portion 31 drives the first reflecting mirror 22 to rotate around the first axis, and the second driving portion 32 drives the second reflecting mirror 23 to rotate around the second axis; wherein, the included angle between the first axis and the second axis is larger than zero.
The light filling device includes two drive parts, and two drive parts drive first speculum 22 and rotate, and one drives second speculum 23 and rotates, and the axis of rotation (promptly, first axis) of first speculum 22 is the contained angle setting with the axis of rotation of second speculum 23, can make the position adjustability of the light of adjustable optical source subassembly 2 outgoing in the camera lens 100 field of view stronger.
With reference to fig. 3, on the basis of the above embodiment, preferably, the first light source 21 is disposed on a mounting plate 4, and an included angle between an optical axis of the first light source 21 and the mounting plate 4 is greater than zero. The first reflector 22 is located on a side of the first light source 21 facing away from the mounting plate 4, the second reflector 23 is located on the same side of the mounting plate 4 as the first reflector 22, and the first reflector 22 and the second reflector 23 are spaced apart along a first direction parallel to the mounting plate 4.
The rotation axis (i.e., the first axis) of the first reflecting mirror 22 is parallel to the second direction, and the rotation axis (i.e., the second axis) of the second reflecting mirror 23 is parallel to the third direction, with the direction parallel to the mounting plate 4 and perpendicular to the first direction being the second direction and the direction perpendicular to the mounting plate 4 being the third direction.
Exemplarily, the optical axis of the first light source 21 is perpendicular to the mounting board 4; both drive portions may be motors.
When the mounting plate 4 is horizontally disposed, the first reflector 22 connected to the first driving part 31 and the second reflector 23 connected to the second driving part 32 are combined to enable the light supplement region formed by the adjustable light source assembly 2 to move in the vertical plane.
Meanwhile, intelligent light supplement such as dynamic tracking of the light supplement area of the adjustable light source assembly 2 can be achieved through the real-time control of the driving portion.
In concrete terms of the first reflecting mirror 22, in an alternative implementation manner, the first reflecting mirror 22 has a first symmetric axis, the power output end of the first driving part 31 includes a first output shaft, and an axis of the first output shaft coincides with an axis of the first symmetric axis.
The first mirror 22 has a first axis of symmetry, and in order to allow a larger area of light to be received by the first mirror 22, in an alternative implementation, the first mirror 22 is rectangular in shape.
Of course, the shape of the first reflecting mirror 22 is not limited to a rectangle, and may be a circle, a regular pentagon, a regular hexagon, or the like.
In the above embodiment of the second reflector 23, in an alternative implementation mode, the second reflector 23 has a second symmetry axis, and the power output end of the second driving part 32 includes a second output shaft, and an axis of the second output shaft coincides with an axis of the second symmetry axis.
The second mirror 23 has a second axis of symmetry, and in order to make the area of the second mirror 23 capable of receiving light larger, in an alternative implementation, the second mirror 23 is rectangular in shape.
Of course, the shape of the second reflector 23 is not limited to a rectangle, and may be a circle, a regular pentagon, a regular hexagon, or the like.
In an optional implementation manner, the light supplement device includes a housing 5 formed with an accommodating cavity, the fixed light source assembly 1, the first light source 21, the first reflector 22, and the second reflector 23 are all located in the housing 5, and the housing 5 is provided with a first light exit hole 51 located on a light exit path of the fixed light source assembly 1, and a second light exit hole 52 located on a light exit path of the second reflector 23.
The fixed light source assembly 1, the first light source 21, the first reflector 22 and the second reflector 23 are all located in the housing 5, so that light of the light supplement device can be prevented from entering the inside of the lens 100 and affecting shooting of the lens 100.
In an optional implementation manner, the light supplement device includes a main board, and the fixed light source assembly 1, the first light source 21, and each driving portion are electrically connected to the main board.
Cables for fixing the light source, the first light source 21, the motor and the like in the light source assembly 1 can be led out from the shell 5 and connected to a main board to obtain a driving power supply, and the main board can also control the current of the light source in the light source assembly 1 and the first light source 21 so as to realize the adjustment of the light intensity of the corresponding light source; the main board can also control the motor (i.e., the driving part) to realize the adjustment of the rotation angle of the corresponding reflecting mirror.
The working principle of the light supplement device provided in this embodiment is described below by taking the light supplement device used in a monitoring camera as an example:
when the environment of the monitored scene is not complex and the overall image effect is good, light is supplemented through the fixed light source component 1;
when the environment of a monitored scene is complex or a key area has a light supplement requirement, the whole image effect is poor only by supplementing light through the fixed light source component 1, and the light source component 2 needs to be adjusted for supplementing light at the same time. At this time, the light from the first light source 21 is projected onto the first reflector 22 to be reflected for the first time, and the light reflected by the first reflector 22 is reflected to the second reflector 23 again to be reflected for the second time. The light emitting direction of the light after the two reflections is in the field of view of the camera, so that the fill-in light brightness of the corresponding area in the camera field of view is enhanced, as shown in fig. 4;
as shown in fig. 5, when the first driving portion 31 drives the first reflector 22 to rotate, the angle of the light emitted from the first reflector 22 is deflected, and the light spot a formed by the adjustable light source assembly 2 can move in the vertical direction. As shown in fig. 6, when the second driving portion 32 drives the second reflecting mirror 23 to rotate, the light emitted from the second reflecting mirror 23 is deflected in the horizontal direction, and the light spot a formed by the adjustable light source assembly 2 can move in the horizontal direction.
When the two driving parts act simultaneously, the light spot formed by the light emitted from the adjustable light source assembly 2 can move at any position in the vertical plane, as shown in fig. 7. When the monitoring processor on the main board judges that the overall effect of the picture needs to be ensured and the brightness of a certain local detail is enhanced according to the image, the adjustable light source component 2 is started, and the rotating angle of the corresponding reflector is adjusted through the corresponding driving part, so that the local light supplement is performed through directional projection; if the object to be enhanced is in a motion state, the tracking effect can be achieved by controlling the driving part.
The camera provided by this embodiment includes the lens 100 and the light supplement device, and a light emitting direction of the light supplement device faces a field of view of the lens 100 to supplement light for the field of view of the lens 100.
The camera provided by this embodiment includes the above light supplement device, and the light supplement device includes a fixed light source assembly 1 and at least one adjustable light source assembly 2 for supplementing light to the field of view of the lens 100, where the fixed light source assembly 1 can directly project light to the field of view of the lens 100, and provides large-range light supplement for the field of view of the lens 100. The adjustable light source assembly 2 includes first light source 21, first speculum 22 and second reflector 23, and first speculum 22 is located first light source 21 light-emitting path, and second reflector 23 is located first speculum 22 light-emitting path, and the light that the second reflector 23 reflects can be the visual field light filling of camera lens 100, promptly, the light that first light source 21 jetted out can reach first speculum 22 to reach second reflector 23 after first speculum 22 reflects, be the visual field light filling of camera lens 100 after reflecting by second reflector 23 again. And at least one of the first reflector 22 and the second reflector 23 corresponds to a driving part, and the driving part can drive the corresponding first reflector 22 or the corresponding second reflector 23 to rotate, so as to change the reflection angle of light, and further change the position of the light supplement of the field of view of the lens 100 (the position of the light supplement moves in the field of view of the lens 100), so that in the video camera provided by the embodiment, the position of the light supplement of the field of view of the lens 100 is adjustable, and the light supplement requirement of the lens 100 can be further met.
Illustratively, the camera provided by this embodiment may be a video surveillance camera, and when the camera provided by this embodiment is hung on the mounting surface in the direction shown in fig. 1, the lens 100 may be located above the light supplement device.
The camera that this embodiment provided can be through the cooperation of fixed light source subassembly 1, adjustable light source subassembly 2 and mainboard, realizes dynamic tracking and other intelligent light filling scenes according to image and algorithm.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A light supplement device, comprising a fixed light source assembly (1) and at least one adjustable light source assembly (2), wherein the adjustable light source assembly (2) comprises a first light source (21), a first reflector (22) located on the light exit path of the first light source (21), and a second reflector (23) located on the light exit path of the first reflector (22), and light reflected by the second reflector (23) and light emitted by the fixed light source assembly (1) are used for supplementing light for the field of view of the same lens (100);
at least one of the first reflector (22) and the second reflector (23) is provided with a driving part correspondingly, and the power output end of the driving part is connected with the corresponding first reflector (22) or the second reflector (23) so as to drive the corresponding first reflector (22) or the corresponding second reflector (23) to rotate.
2. A light supplement device according to claim 1, wherein the number of the driving parts is two, one of the two driving parts is a first driving part (31) connected to the first reflector (22), and the other one of the two driving parts is a second driving part (32) connected to the second reflector (23), the first driving part (31) drives the first reflector (22) to rotate around a first axis, and the second driving part (32) drives the second reflector (23) to rotate around a second axis;
wherein an included angle between the first axis and the second axis is greater than zero.
3. A light supplement device according to claim 2, wherein the first light source (21) is arranged on a mounting plate (4), and an included angle between an optical axis of the first light source (21) and the mounting plate (4) is greater than zero;
the first reflector (22) is located the first light source (21) deviates from one side of the mounting plate (4), the second reflector (23) is located the same side of the mounting plate (4) as the first reflector (22), and the first reflector (22) and the second reflector (23) are arranged along a first direction interval, wherein the first direction is parallel to the mounting plate (4).
4. A light supplementing device according to claim 3, wherein the direction parallel to the mounting plate (4) and perpendicular to the first direction is a second direction, the direction perpendicular to the mounting plate (4) is a third direction, the first axis is parallel to the second direction, and the second axis is parallel to the third direction.
5. A light supplementing device according to claim 2, wherein the first reflector (22) has a first symmetry axis, and the power output end of the first driving part (31) comprises a first output shaft, and the axis of the first output shaft coincides with the axis of the first symmetry axis.
6. The light supplement device according to claim 5, wherein the second reflector (23) has a second symmetry axis, and the power output end of the second driving part (32) comprises a second output shaft, and the axis of the second output shaft coincides with the axis of the second symmetry axis.
7. A light filling device according to claim 6, wherein the first mirror (22) and/or the second mirror (23) is rectangular in shape.
8. A light supplement device according to any one of claims 1-7, comprising a housing (5) forming a receiving cavity, wherein the fixed light source assembly (1), the first light source (21), the first reflector (22) and the second reflector (23) are all located in the housing (5), and the housing (5) is provided with a first light outlet (51) located on the light outlet path of the fixed light source assembly (1) and a second light outlet (52) located on the light outlet path of the second reflector (23).
9. The light supplement device according to any one of claims 1 to 7, comprising a main board, wherein the fixed light source assembly (1), the first light source (21) and each of the driving parts are electrically connected to the main board.
10. A camera comprising a lens (100) and a fill-in light device according to any one of claims 1 to 9, wherein the light emitting direction of the fill-in light device is towards the field of view of the lens (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222091743.7U CN218213722U (en) | 2022-08-09 | 2022-08-09 | Light supplement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222091743.7U CN218213722U (en) | 2022-08-09 | 2022-08-09 | Light supplement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218213722U true CN218213722U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222091743.7U Active CN218213722U (en) | 2022-08-09 | 2022-08-09 | Light supplement device |
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| Country | Link |
|---|---|
| CN (1) | CN218213722U (en) |
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2022
- 2022-08-09 CN CN202222091743.7U patent/CN218213722U/en active Active
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