CN204065636U - The camera head that lighting angle is variable - Google Patents
The camera head that lighting angle is variable Download PDFInfo
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- CN204065636U CN204065636U CN201420455766.4U CN201420455766U CN204065636U CN 204065636 U CN204065636 U CN 204065636U CN 201420455766 U CN201420455766 U CN 201420455766U CN 204065636 U CN204065636 U CN 204065636U
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- pull mechanism
- lighting angle
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- 230000004297 night vision Effects 0.000 description 2
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Abstract
The utility model provides the variable camera head of a kind of lighting angle, comprise drived control mechanism, holder, push-pull mechanism and flexible lamp plate, described drived control mechanism, push-pull mechanism are separately positioned on described holder, the two ends of described flexible lamp plate are connected with described holder respectively, and described drived control mechanism is connected with the middle part of described flexible lamp plate by described push-pull mechanism.The beneficial effects of the utility model are: can drived control mechanism drive push-pull mechanism to carry out push-and-pull campaign, flexible lamp plate outwardly convex is promoted by push-pull mechanism, to increase the lighting angle of flexible lamp plate, also flexible lamp plate can be retracted by push-pull mechanism, to reduce the lighting angle of flexible lamp plate, by adjusting the lighting angle of flexible lamp plate to adapt to different shooting requirements, on hand, magnify angle and can avoid electric torch effect, a long way off, concentration of energy is not wasted by low-angle, achieves wider suitable environment and scope simultaneously, and tool is stronger versatility.
Description
Technical field
The utility model relates to camera head, particularly relates to the camera head that a kind of lighting angle is variable.
Background technology
Current night vision infrared photography all-in-one all uses the night infrared lamp of fixed angle, generally between 10 ° ~ 30 °, the camera lens visual angle of most focal length is often at 3 ° ~ about 4 ° a long way off, if to be equipped with 15 ° of conventional angle infrared lamps, almost the infrared light of 93.1% is all beyond the invisible, can't see completely, do not use, if look after closely monitor and infrared lamp by greater angle time, then the infrared light wasted is more.On the other hand, use the light source of fixed angle, when the camera lens of night vision infrared photography all-in-one changes to wide-angle (as 4mm, 6mm, 8mm), monitor screen there will be " electric torch effect ".And if the occasion infrared lamp angle had is excessive, also can affect imaging.Such as corridor, because of the feature of its " long and narrow ", if the emission angle of infrared lamp is excessive, then the imaging at edge will be too bright nearby, forms " light curtain " phenomenon; Remote center be cannot see on the contrary, only has a slice blushing.
The problem of the infrared lamp angle of infrared monitoring camera is select permeability is also technical matters.The camera lens of different focal is selected to adapt the infrared lamp of infrared monitoring camera of angle, the angle of the infrared lamp of infrared monitoring camera also should not be greater than the angle of camera lens under any condition, and long and narrow environment should select the infrared lamp of the infrared monitoring camera less than angle lens.
So, does is the infrared lamp of infrared monitoring camera that angle is the bigger the better? infrared monitoring camera infrared lamp emission angle is larger, selects camera lens leeway also larger, selects wide-angle lens to there will not be " electric torch " phenomenon.Therefore, how big the infrared lamp angle of the infrared monitoring camera of a lot of manufacturers publicity oneself is, has 80 degree to also have 180 degree.This as very reasonable saying, be very irresponsible in fact, and be unscientific.In fact, from the infrared lamp of some concrete infrared monitoring cameras, its power is specified, namely his luminescent conversion power is fixing, if think that lighting angle is large, that can affect irradiation distance naturally, on the contrary, if ensure that irradiation distance will affect lighting angle!
Use the infrared lamp of the infrared monitoring camera of wide-angle to coordinate low-angle camera lens, there is the wasting phenomenon of light.Such as, an infrared lamp, lighting angle is 80 degree, (being equivalent to the angle of f-3.5mm camera lens), if coordinate the camera lens of f-35mm, so, have percent ninety-nine only beyond camera lens visual field, that is, only have centesimal only useful, other wastes.Generally, the angle of infrared lamp is consistent with the angle of camera lens, is most scientific collocation.
So be not that the infrared lamp angle of infrared monitoring camera is larger, picture effect is better.Some environment, infrared monitoring camera infrared lamp angle is excessive, also can affect imaging, such as corridor, because of the feature of its " long and narrow ", if infrared lamp angle is large, edge imaging is too bright nearby, form " light curtain " phenomenon, remote center be cannot see on the contrary, only has a slice blushing.So optimum way is that the infrared lamp in corridor should be slightly narrower than the angle of camera lens.
In sum, how to realize looking far, can not occur " electric torch effect " again when camera lens wide-angle, because overexposure produces whiting, not see not be those skilled in the art's problem demanding prompt solutions must to make target nearby.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides the variable camera head of a kind of lighting angle.
The utility model provides the variable camera head of a kind of lighting angle, comprise drived control mechanism, holder, push-pull mechanism and flexible lamp plate, wherein, described drived control mechanism, push-pull mechanism are separately positioned on described holder, the two ends of described flexible lamp plate are connected with described holder respectively, and described drived control mechanism is connected with the middle part of described flexible lamp plate by described push-pull mechanism.
As further improvement of the utility model, described flexible lamp plate is described flexible infrared light board, and described flexible infrared light board is provided with infrared lamp.
As further improvement of the utility model, described infrared lamp has two at least and is evenly arranged on described flexible infrared light board.
As further improvement of the utility model, described push-pull mechanism is screw rod push-pull mechanism.
As further improvement of the utility model, described push-pull mechanism is cylinder.
As further improvement of the utility model, described flexible lamp plate, holder are circle, and the outer circular edge of described flexible lamp plate is connected with the outer circular edge of described holder, and described push-pull mechanism is connected with the center of circle of described flexible lamp plate.
As further improvement of the utility model, described fixed seating is between described drived control mechanism, push-pull mechanism.
As further improvement of the utility model, the push-and-pull direction of feed of described push-pull mechanism is perpendicular to described holder, and the two ends of described flexible lamp plate are connected with described holder respectively by drag-line.
As further improvement of the utility model, described camera head also comprises camera, and described camera is arranged on described push-pull mechanism or on holder.
As further improvement of the utility model, described camera head also comprises camera, and described camera arranges the middle part of described flexible lamp plate.
The beneficial effects of the utility model are: pass through such scheme, push-pull mechanism can be driven to carry out push-and-pull campaign by drived control mechanism, flexible lamp plate outwardly convex is promoted by push-pull mechanism, to increase the lighting angle of flexible lamp plate, also flexible lamp plate can be retracted by push-pull mechanism, to reduce the lighting angle of flexible lamp plate, by adjusting the lighting angle of flexible lamp plate to adapt to different shooting requirements, on hand, magnify angle and can avoid electric torch effect, a long way off, concentration of energy is not wasted by low-angle, achieve wider suitable environment and scope simultaneously, tool is stronger versatility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the variable camera head of a kind of lighting angle of the utility model;
Fig. 2 is the using state schematic diagram of the variable camera head of a kind of lighting angle of the utility model;
Fig. 3 is the using state schematic diagram of the variable camera head of a kind of lighting angle of the utility model.
Embodiment
To illustrate below in conjunction with accompanying drawing and embodiment further illustrates the utility model.
Drawing reference numeral in Fig. 1 to Fig. 3 is: drived control mechanism 1; Holder 2; Push-pull mechanism 3; Flexible lamp plate 4; Infrared lamp 5; Camera 6; Drag-line 7.
As shown in Figure 1 to Figure 3, the camera head that a kind of lighting angle is variable, comprise drived control mechanism 1, holder 2, push-pull mechanism 3 and flexible lamp plate 4, wherein, described drived control mechanism 1, push-pull mechanism 3 are separately positioned on described holder 2, the two ends of described flexible lamp plate 4 are connected with described holder 2 respectively, and described drived control mechanism 1 is connected with the middle part of described flexible lamp plate 4 by described push-pull mechanism 3.
As shown in Figure 1 to Figure 3, described flexible lamp plate 4 is preferably described flexible infrared light board, and described flexible infrared light board is provided with infrared lamp 5, and described camera head is preferably infrared photography all-in-one.
As shown in Figure 1 to Figure 3, described infrared lamp 5 has two at least and is evenly arranged on described flexible infrared light board.
As shown in Figure 1 to Figure 3, described push-pull mechanism 3 is preferably screw rod push-pull mechanism, carrys out flexible lamp plate 4 described in push-and-pull by this screw rod push-pull mechanism.
As shown in Figure 1 to Figure 3, described push-pull mechanism 3 is preferably cylinder, carrys out flexible lamp plate 4 described in push-and-pull by this cylinder.
As shown in Figure 1 to Figure 3, described flexible lamp plate 4, holder 2 are all preferably circular, and the outer circular edge of described flexible lamp plate 4 is connected with the outer circular edge of described holder 2, and described push-pull mechanism 3 is connected with the center of circle of described flexible lamp plate 4.
As shown in Figure 1 to Figure 3, described holder 2 is between described drived control mechanism 1, push-pull mechanism 3.
As shown in Figure 1 to Figure 3, the push-and-pull direction of feed of described push-pull mechanism 3 is perpendicular to described holder 2, and the two ends of described flexible lamp plate 4 are connected with described holder 2 respectively by drag-line 7.
As shown in Figure 1 to Figure 3, described camera head also comprises camera 6, and described camera 6 is arranged on described push-pull mechanism 3 or on holder 2.
As shown in Figure 1 to Figure 3, described camera head also comprises camera 6, and described camera 6 arranges the middle part of described flexible lamp plate 4, and described camera 6 is preferably arranged on the center of circle of described flexible lamp plate 4.
As shown in Figure 1 to Figure 3, when the lighting angle cooperation camera lens that camera head needs flexible infrared light board to provide larger, control push-pull mechanism 3 by drived control mechanism 1 to push ahead, when push-pull mechanism 3 is pushed ahead, make the even outwardly convex distortion of flexible infrared light board, form dome shape, flexible infrared light board after distortion makes the lighting angle of infrared lamp become large and launches the Infrared of suitable wide-angle mutually, as Fig. 2, shown in 3, avoid camera lens when changing to wide-angle, because infrared light supply cannot be adjusted to the large lighting angle adapted, there is " electric torch effect " in monitoring display screen.
As shown in Figure 1 to Figure 3, if when the working environment of camera head compares " long and narrow ", such as corridor.Now, just need to adjust less lighting angle, by contrary mode, control push-pull mechanism 3 by drived control mechanism 1 and retract retrogressing, made the lighting angle of the flexible infrared light board of distortion diminish gradually by push-pull mechanism 3, the distortion of flexible infrared light board is recovered gradually, and the flexible infrared light board after recovery makes the lighting angle of infrared lamp diminish to obtain the suitable Infrared of smaller angle, as shown in Figure 2.
The camera head that a kind of lighting angle that the utility model provides is variable, can drived control mechanism 1 push-pull mechanism 3 be driven to carry out push-and-pull campaign, flexible lamp plate outwardly convex is promoted by push-pull mechanism 3, to increase the lighting angle of flexible lamp plate 4, also flexible lamp plate 4 can be retracted by push-pull mechanism 3, to reduce the lighting angle of flexible lamp plate 4, by adjusting the lighting angle of flexible lamp plate 4 to adapt to different shooting requirements, on hand, magnify angle and can avoid electric torch effect, a long way off, concentration of energy is not wasted by low-angle, achieve wider suitable environment and scope simultaneously, tool is stronger versatility.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the camera head that a lighting angle is variable, it is characterized in that: comprise drived control mechanism, holder, push-pull mechanism and flexible lamp plate, wherein, described drived control mechanism, push-pull mechanism are separately positioned on described holder, the two ends of described flexible lamp plate are connected with described holder respectively, and described drived control mechanism is connected with the middle part of described flexible lamp plate by described push-pull mechanism.
2. the camera head that lighting angle according to claim 1 is variable, is characterized in that: described flexible lamp plate is described flexible infrared light board, and described flexible infrared light board is provided with infrared lamp.
3. the camera head that lighting angle according to claim 2 is variable, is characterized in that: described infrared lamp has two at least and is evenly arranged on described flexible infrared light board.
4. the camera head that lighting angle according to claim 1 is variable, is characterized in that: described push-pull mechanism is screw rod push-pull mechanism.
5. the camera head that lighting angle according to claim 1 is variable, is characterized in that: described push-pull mechanism is cylinder.
6. the camera head that lighting angle according to claim 1 is variable, it is characterized in that: described flexible lamp plate, holder are circle, the outer circular edge of described flexible lamp plate is connected with the outer circular edge of described holder, and described push-pull mechanism is connected with the center of circle of described flexible lamp plate.
7. the camera head that lighting angle according to claim 1 is variable, is characterized in that: described fixed seating is between described drived control mechanism, push-pull mechanism.
8. the camera head that lighting angle according to claim 1 is variable, is characterized in that: the push-and-pull direction of feed of described push-pull mechanism is perpendicular to described holder, and the two ends of described flexible lamp plate are connected with described holder respectively by drag-line.
9. the camera head that lighting angle according to claim 1 is variable, is characterized in that: described camera head also comprises camera, and described camera is arranged on described push-pull mechanism or on holder.
10. the camera head that lighting angle according to claim 1 is variable, is characterized in that: described camera head also comprises camera, and described camera arranges the middle part of described flexible lamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455766.4U CN204065636U (en) | 2014-08-13 | 2014-08-13 | The camera head that lighting angle is variable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455766.4U CN204065636U (en) | 2014-08-13 | 2014-08-13 | The camera head that lighting angle is variable |
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| Publication Number | Publication Date |
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| CN204065636U true CN204065636U (en) | 2014-12-31 |
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| CN201420455766.4U Expired - Fee Related CN204065636U (en) | 2014-08-13 | 2014-08-13 | The camera head that lighting angle is variable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965681A (en) * | 2018-05-31 | 2018-12-07 | 科盾科技股份有限公司北京分公司 | A kind of three camera night vision devices |
| CN111399317A (en) * | 2020-03-23 | 2020-07-10 | 江苏艾立特半导体科技有限公司 | Security protection camera lens structure of super little luminous angle |
| CN113840106A (en) * | 2021-09-23 | 2021-12-24 | 浙江清华柔性电子技术研究院 | Image forming apparatus and image forming method |
-
2014
- 2014-08-13 CN CN201420455766.4U patent/CN204065636U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965681A (en) * | 2018-05-31 | 2018-12-07 | 科盾科技股份有限公司北京分公司 | A kind of three camera night vision devices |
| CN111399317A (en) * | 2020-03-23 | 2020-07-10 | 江苏艾立特半导体科技有限公司 | Security protection camera lens structure of super little luminous angle |
| CN113840106A (en) * | 2021-09-23 | 2021-12-24 | 浙江清华柔性电子技术研究院 | Image forming apparatus and image forming method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |