CN203984541U - A kind of laser night-vision device with timesharing illumination functions - Google Patents
A kind of laser night-vision device with timesharing illumination functions Download PDFInfo
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- CN203984541U CN203984541U CN201420445728.0U CN201420445728U CN203984541U CN 203984541 U CN203984541 U CN 203984541U CN 201420445728 U CN201420445728 U CN 201420445728U CN 203984541 U CN203984541 U CN 203984541U
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Abstract
The utility model discloses a kind of laser night-vision device with timesharing illumination functions, the utility model comprises lighting module and video camera, lighting module includes laser illuminator, described video camera is fixedly installed, described laser illuminator arranges with respect to video camera left-right rotation, and laser illuminator is connected with the driving mechanism that drives its rotation.The utility model is owing to being designed with rotating laser illuminator, and the hot spot that makes to throw light on can be swept in the visual field of video camera, thereby not only can guarantee larger illumination distances but also can guarantee larger light angle.Make the utility model can monitor the visual field of longer-distance larger area.
Description
Technical field
The utility model relates to a kind of laser night-vision device.
Background technology
Laser night vision is the innovative technology that public safety industry occurs in recent years, belongs to a kind of active infrared night-viewing technology.It is by laser shaping, homogenize, expands rear irradiation target, then adopts the night vision camera lens receiving target reverberation of high pass light quantity, with black and white low-illuminance cameras, gathers image output.Fixed laser night vision device is owing to having the advantages such as cost is low, stability is high, easy to maintenance, obtained extensive application, but run in actual use the contradictory problems of light angle and illumination distances, when wide-angle illumination, although light angle is very large, can reach 50 ° or 60 °, but illumination distances is closer, only has tens meters.Increase laser power, can increase to a certain extent illumination distances, but cost has increase at double, and excessively strong laser can bring serious back scattering optical issue, make a slice of image vast expanse of whiteness, affect picture quality.Laser angle is turned down, although illumination distances can become far, such as reaching hundreds of rice, laser illuminator has become a little light beam, and illumination zone is very little, has formed so-called " flashlight effect ", and monitoring effect is had a greatly reduced quality.
Utility model content
The technical problems to be solved in the utility model is: all larger laser night-vision devices with timesharing illumination functions of a kind of night vision angle and distance are provided.
In order to solve the problems of the technologies described above, the utility model comprises lighting module and video camera, and lighting module includes laser illuminator, and described video camera is fixedly installed, described laser illuminator arranges with respect to video camera left-right rotation, and laser illuminator is connected with the driving mechanism that drives its rotation.
In order to make the utility model compact conformation, the utility model comprises support, and described video camera is fixed on support, and described laser illuminator rotates and is arranged on support.
For the ease of driving laser luminaire, rotate, described driving mechanism comprises motor, the first gear and the second gear, the first gear is connected with the output shaft of motor, laser illuminator is fixed on the second gear, the first gear is meshed with the second gear, motor is fixed on support, and the second gear rotates and is arranged on support.
In order to reduce costs, the second described gear comprises rotating circular disk and gear band, rotating circular disk rotates and is arranged on support, gear band is arc plate, the cylindrical of arc plate is provided with tooth, gear band is fixed on rotating circular disk, and the axis of gear band and rotating circular disk is on same straight line, and gear band is meshed with the first gear.
For the ease of realizing automatic control, also include control module, laser illuminator, video camera and motor are connected with control module, motor be each side provided with a switch, the two ends of gear band are respectively provided with one for triggering the triggering part of adjacent switch, and two switches are connected with control module.
In order to utilize efficiently laser lighting, described lighting module is that launch spot is the lighting module of rectangular light spot.
In order to make lighting module structure simple, described laser illuminator comprises semiconductor laser and laser shaping device, laser shaping device is included in even optical lens, horizontal compression cylindrical lens and the vertical compression cylindrical lens being arranged in order on the optical axis direction of semiconductor laser, the most contiguous semiconductor laser of even optical lens.
In order to make the spot size of lighting module adjustable, described even optical lens is fixedly installed with respect to the light emitting end surface of semiconductor laser, horizontal compression cylindrical lens is connected with and drives its mobile the first driving mechanism on optical axis direction, and vertical compression cylindrical lens is connected with and drives its mobile the second driving mechanism on optical axis direction.
The beneficial effects of the utility model are: the utility model is owing to being designed with rotating laser illuminator, and the hot spot that makes to throw light on can be swept in the visual field of video camera, thereby not only can guarantee larger illumination distances but also can guarantee larger light angle.Make the utility model can monitor the visual field of longer-distance larger area.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the internal structure schematic diagram (housing only draws a bottom part) of lighting module of the present utility model;
Fig. 3 is the structural representation of laser illuminator;
Fig. 4 is the utility model control principle drawing;
In figure: 1, video camera, 2, lighting module, 3, support, 4, rotating circular disk, 5, laser illuminator, 6, gear band, 7, sensitive switch, 8, the first gear, 9, disk stepping motor, 10, housing, 51, vertical compression cylindrical lens, 52, front moving lens frame, 53, cylindrical guide, 54, front wheel driving stepping motor, 55, rear mobile mirror holder, 56, horizontal compression cylindrical lens, 57, rear drive stepping motor, 58, even optical lens fixed support, 59, even optical lens, 510, laser service connection, 511, semiconductor laser, 512, lens barrel.
Embodiment
A kind of laser night-vision device with timesharing illumination functions as shown in Figure 1, comprises lighting module 2 and video camera 1, and lighting module 2 and video camera 1 are fixed on support 3.
As shown in Figure 2, lighting module comprises rotating circular disk 4, laser illuminator 5, gear band 6, sensitive switch 7, the first gear 8, disk stepping motor 9 and housing 10, housing 10 is fixed on support 3, rotating circular disk 4 rotates and is arranged on housing 10, gear band 6 is arc plate, the cylindrical of arc plate is provided with tooth, and gear band 6 is fixed on rotating circular disk 4, and the axis of gear band 6 and rotating circular disk 4 is on same straight line.Disk stepping motor 9 is fixed on housing 10, and the first gear 8 is fixed on the output shaft of disk stepping motor 9, and gear band 6 is meshed with the first gear 8.Rotating circular disk 4 and gear band 6 also can adopt a complete gear to replace.
As shown in Figure 3, laser illuminator 5 comprises vertical compression cylindrical lens 51, front moving lens frame 52, cylindrical guide 53, front wheel driving stepping motor 54, rear mobile mirror holder 55, horizontal compression cylindrical lens 56, rear drive stepping motor 57, even optical lens fixed support 58, even optical lens 59, laser service connection 510, semiconductor laser 511 and lens barrel 512.
Laser service connection 510 is fixed on the rear end of lens barrel 512, and semiconductor laser 511 is connected with laser service connection 510.Vertical compression cylindrical lens 51, horizontal compression cylindrical lens 56 and even optical lens 59 are successively set in lens barrel 512, the most contiguous laser service connection 510 of even optical lens 59, and even optical lens 59 is fixed in lens barrel 512 by even optical lens fixed support 58.Cylindrical guide 53 is fixed in lens barrel 512, and front moving lens frame 52 and rear mobile mirror holder 55 are slidably arranged on cylindrical guide 53.Vertical compression cylindrical lens 51 is fixed on front moving lens frame 52, and horizontal compression cylindrical lens 56 is fixed on rear mobile mirror holder 55.Front wheel driving stepping motor 54 and rear drive stepping motor 57 are fixed on the outer wall of lens barrel 512, and front wheel driving stepping motor 54 is connected with front moving lens frame 52 by screw mandrel screw mechanism, thereby before driving, moving lens frame 52 moves on cylindrical guide 53.Rear drive stepping motor 57 is connected with rear mobile mirror holder 55 by screw mandrel screw mechanism, thereby after driving, mobile mirror holder 55 moves on cylindrical guide 53.
Laser illuminator 5 also can adopt existing other laser illuminator.
On above-mentioned basis, can also increase control module, laser illuminator 5, video camera 1 and disk stepping motor 9 are connected with control module, disk stepping motor 9 be each side provided with a sensitive switch 7, the two ends of gear band 6 are respectively provided with one for triggering the triggering part of sensitive switch 7, and two sensitive switches 7 are connected with control module.Sensitive switch 7 also can adopt optoelectronic switch to replace.
Operation principle:
First control module reads the current zoom value of video camera, then in pre-stored " zoom value-umber of pulse-pulse frequency " database, find corresponding value, to determine rotation amplitude, rotary speed, in " zoom value-horizontal pulse number-vertical pulse number " database, search corresponding value, to determine the shape of laser shaping, last according to numerical value and the current position of disk stepping motor 9 of searching, umber of pulse and the pulse frequency of driver plate stepping motor 9 are set, and driver plate stepping motor 9 starts rotation, carry out laser shaping and pan illumination.
Data in above-mentioned two databases obtain in the following way: with reference to figure 4, after determining video camera, by simulator, control module and computer are coupled together,, serial ports of computers is connected with control module serial ports, for sending control command meanwhile.First, to control module, send camera zoom order, then send the spot shaping order with front wheel driving stepping motor 54 and rear drive stepping motor 57 umber of pulses, observe light spot shape, whether size suitable, as improper, readjust umber of pulse, until suitable, from the debugging software of simulator, these data are read and recorded.Then send the order that arranges with disk stepping motor 9 umber of pulses, observe rotation amplitude and whether cover horizontal field of view angle, as improper, readjust umber of pulse, until suitable, record now data.By same procedure recording disc stepping motor 9 pulse frequencies, so just obtain one group of data.By that analogy, can obtain many group corresponding datas, form database, in order to inquiry, use.
Video camera adopts the embodiment data of the FCB-CX480CP of Sony as follows:
Camera zoom value:
{?1，738，1506，2819，3897，5166，6406，7173，8207，9026，10007，11070，12037，12672，13365，14392，15520，16384}
Disk stepping motor 9 rotational pulse numbers:
{?8528，8016，7392，6881，6466，6004，5349，4751，4236，3780，3313，2860，2312，1816，1414，1076，711，0}
Disk stepping motor 9 rotational pulse frequencies:
{?1206，1095，911，805，767，683，562，503，457，406，371，321，263，196，141，87，33，0}
Rear drive stepping motor 57 umber of pulses:
{?5630，8395，11163，15892，20456，25301，31123，34970，40333，44727，50370，56991，63195，67021，71293，76895，82241，85281}
Front wheel driving stepping motor 54 umber of pulses:
{?6810，11121，16190，20787，25083，29746，34553，38759，42922，47321，54548，60340，66120，71791，76827，80770，85423，90775}
With reference to figure 2, the operation principle of lighting module 2 pans:
Control module is controlled 9 rotations of disk stepping motor, drives the first gear 8 to rotate, and by gear band 6 driven rotary disks 4, starts to horizontally rotate, and the laser illuminator 5 on it also rotates thereupon, and hot spot starts pan.Suppose to start to turn left pan, while sweeping the high order end of the angle of visual field according to the umber of pulse of setting, sensitive switch 7 trigger control module in left side are controlled 9 reversions of disk stepping motor, hot spot starts to sweep to the right, and same reason, while sweeping the low order end of the angle of visual field according to the umber of pulse of setting, sensitive switch 7 trigger control module on right side are controlled 9 reversions of disk stepping motor, hot spot starts again to sweep left, and so circulation is gone down, and realizes the illumination of whole visual field.The stepping motor working pulse frequency that arranged by control module of speed of rotation determines, frequency is higher, and speed is faster, and frequency is lower, and speed is slower.Camera field of view angle is larger, and rotation amplitude, speed are also larger, otherwise just less.Meanwhile, control module also can receive the outside camera zoom order sending by serial ports and control camera zoom.
Claims (8)
1. a laser night-vision device with timesharing illumination functions, comprise lighting module and video camera, lighting module includes laser illuminator, it is characterized in that: described video camera is fixedly installed, described laser illuminator arranges with respect to video camera left-right rotation, and laser illuminator is connected with the driving mechanism that drives its rotation.
2. the laser night-vision device with timesharing illumination functions according to claim 1, is characterized in that: comprise support, described video camera is fixed on support, and described laser illuminator rotates and is arranged on support.
3. the laser night-vision device with timesharing illumination functions according to claim 2, it is characterized in that: described driving mechanism comprises motor, the first gear and the second gear, the first gear is connected with the output shaft of motor, laser illuminator is fixed on the second gear, the first gear is meshed with the second gear, motor is fixed on support, and the second gear rotates and is arranged on support.
4. the laser night-vision device with timesharing illumination functions according to claim 3, it is characterized in that: the second described gear comprises rotating circular disk and gear band, rotating circular disk rotates and is arranged on support, gear band is arc plate, the cylindrical of arc plate is provided with tooth, gear band is fixed on rotating circular disk, and the axis of gear band and rotating circular disk is on same straight line, and gear band is meshed with the first gear.
5. the laser night-vision device with timesharing illumination functions according to claim 4, it is characterized in that: also include control module, laser illuminator, video camera and motor are connected with control module, motor be each side provided with a switch, the two ends of gear band are respectively provided with one for triggering the triggering part of adjacent switch, and two switches are connected with control module.
6. according to the laser night-vision device with timesharing illumination functions described in any one in claim 1-5, it is characterized in that: described lighting module is that launch spot is the lighting module of rectangular light spot.
7. the laser night-vision device with timesharing illumination functions according to claim 6, it is characterized in that: described laser illuminator comprises semiconductor laser and laser shaping device, laser shaping device is included in even optical lens, horizontal compression cylindrical lens and the vertical compression cylindrical lens being arranged in order on the optical axis direction of semiconductor laser, the most contiguous semiconductor laser of even optical lens.
8. the laser night-vision device with timesharing illumination functions according to claim 7, it is characterized in that: described even optical lens is fixedly installed with respect to the light emitting end surface of semiconductor laser, horizontal compression cylindrical lens is connected with and drives its mobile the first driving mechanism on optical axis direction, and vertical compression cylindrical lens is connected with and drives its mobile the second driving mechanism on optical axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445728.0U CN203984541U (en) | 2014-08-08 | 2014-08-08 | A kind of laser night-vision device with timesharing illumination functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445728.0U CN203984541U (en) | 2014-08-08 | 2014-08-08 | A kind of laser night-vision device with timesharing illumination functions |
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| CN203984541U true CN203984541U (en) | 2014-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135603A (en) * | 2014-08-08 | 2014-11-05 | 山东神戎电子股份有限公司 | Laser night vision device with time-phased illuminating function |
| CN107401690A (en) * | 2017-07-24 | 2017-11-28 | 深圳盈朗照明有限公司 | Light source assembly and footprint search equipment |
-
2014
- 2014-08-08 CN CN201420445728.0U patent/CN203984541U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135603A (en) * | 2014-08-08 | 2014-11-05 | 山东神戎电子股份有限公司 | Laser night vision device with time-phased illuminating function |
| CN107401690A (en) * | 2017-07-24 | 2017-11-28 | 深圳盈朗照明有限公司 | Light source assembly and footprint search equipment |
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| 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: 20141203 Termination date: 20160808 |