CN201788312U - 360-degree full-shot CCD (charge coupled device) camera lens - Google Patents
360-degree full-shot CCD (charge coupled device) camera lens Download PDFInfo
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- CN201788312U CN201788312U CN2010202850826U CN201020285082U CN201788312U CN 201788312 U CN201788312 U CN 201788312U CN 2010202850826 U CN2010202850826 U CN 2010202850826U CN 201020285082 U CN201020285082 U CN 201020285082U CN 201788312 U CN201788312 U CN 201788312U
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Abstract
The utility model discloses a 360-degree full-shot CCD (charge coupled device) camera lens which comprises a lens shell, wherein a first non-spherical lens is arranged on the wall of the lens shell; and eight spherical lenses, two cylindrical lenses and two non-spherical lenses are arranged in the lens shell. The 360-degree full-shot CCD camera lens has a super-large visual angle (larger than 180 degrees) and ultra-short focal distance (F equals to 1.3 millimeters), has an elliptical sense receiving mode, is characterized by large imaging range, increased key area and the like, and effectively overcomes the critical defect of blind area of visual field of the traditional CCD; and the 360-degree full-shot CCD camera has compact structure and high reliability, is convenient for practical operation, greatly improves the performance and enlarges the application range of the CCD.
Description
Technical field
The utility model relates to the optical imaging device field, and especially the CCD imaging device is specially a kind of 360 ° of panorama CCD camera lenses.
Background technology
Camera lens is the key equipment of video monitoring system, and it is equivalent to the lens structure in our eyes, is responsible for the scene of outside is hinted obliquely to a plane.If there is not crystalline lens, human eye be can't see any object; If there is not camera lens, the image exported of camera is exactly a slice of vast expanse of whiteness so, does not have distinct image output.This shows that the effect of camera lens in closed monitor system is very important.
The video monitoring system camera lens is various in style, from focal length, can be divided into the short-focus mirror head, zoom lens, telephoto lens; From visual field size branch wide-angle, standard, long shot are arranged; Dividing on the structure has the fixed aperture tight shot, manual iris tight shot, auto iris tight shot, manual zoom lens, autozoom camera lens, auto iris motorized zoom lens, electronic three variable (aperture, focal length, focusing are all variable) camera lens etc.
The size of camera lens focal length is determining the size of field angle, and focal length numerical value is little, and field angle is big, and observed scope is also big; Focal length numerical value is big, and field angle is little, and range of observation is little.The size of focal length is not only determining the size of field angle, also affects the depth of field of image.The camera lens that focal length is long, the depth of field is little, and the camera lens depth of field of focal length weak point is big.
The monitoring camera-shooting product of Shi Yonging is mainly " gunlock " (hard-wired pick-up lens) and " ball machine " (video camera of band rotary head) in the market.Though these products have its characteristics separately, also there are a lot of limitation, as: the field range of " gunlock " less (field angle is less than 70 ° usually), can only monitor the front part subregion, can't monitor institute's event outside the visual field; " ball machine " though can periodically increase monitoring range, the monitoring on the life period " blind spot ", other direction event in the time of can't the Real Time Observation rotation of lens has reduced the reliability of supervisory system.
Because " gunlock " field range is little, there is monitoring " blind spot " in " ball machine ", realize the monitoring of ultraphotic angle, and just the multichannel camera must be installed covers whole guarded region.Thereby the cost of equipment such as camera, wiring, video recording, demonstration are installed is increased greatly.
The utility model content
The purpose of this utility model provides a kind of 360 ° of panorama CCD camera lenses, and little with " gunlock " field range that solves prior art, there is the problem of blind spot in " ball machine ".
In order to achieve the above object, the technical scheme that the utility model adopted is:
A kind of 360 ° of panorama CCD camera lenses, include mirror head outer shell, it is characterized in that: first non-spherical lens that the arch bridge shape is installed on the described mirror head outer shell shell wall, it is outer as light receiving surface that the described first non-spherical lens arched part is positioned at described shell wall, be positioned at first spherical lens that is disposed with on the first non-spherical lens rear light path with the first non-spherical lens common optical axis in the described mirror head outer shell, second spherical lens, first cylindrical lens, the 3rd spherical lens, second cylindrical lens, be shaped to the 4th spherical lens and the 5th spherical lens of one, be shaped to the 6th spherical lens and the 7th spherical lens of one, the 8th spherical lens and second non-spherical lens, the one side of the described second non-spherical lens arc is as exiting surface.
Described a kind of 360 ° of panorama CCD camera lenses, it is characterized in that: be provided with aperture-variable diaphragm between described second cylindrical lens and the 4th spherical lens, the pin hole of described aperture-variable diaphragm is positioned on the light path of second cylindrical lens and the 4th spherical lens.
In the utility model optical system, eight spherical lenses are according to the imaging of applied optics image-forming principle.In order to guarantee the ultra-large vision field angle, the focal length of whole camera lens only is 1.3mm; And guarantee relative aperture D/F=1/3, make enough luminous energy participate in imaging.Wherein two cylindrical lenses are used for realizing oval imaging surface, maximally utilise the CCD target surface.Before and after respectively have a slice non-spherical lens to be used for the aberration of balance optical system, make it to have high definition and become the phaneroplasm amount.The utility model also is provided with the automated variable aperture diaphragm between second cylindrical lens and the 4th spherical lens.Be used for regulating automatically the variation of ambient light illumination.
The utlity model has super large visual angle (greater than 180 °), ultrashort focal length (F=1.3mm), be oval sensing receptive pattern, have characteristics such as the imaging scope is big, critical area enhancing, solved the critical defect of the blind area, visual field that traditional C CD had effectively; And its compact conformation, fiduciary level height, be convenient to practical operation, greatly improved usability and the range of application of CCD.
The utlity model has following advantage:
1, eliminated " blind spot " in traditional supervisory system, satisfied the needs that panorama is observed, monitored comprehensively, improved monitor system performance.
2, reduce the use amount of camera in the system, greatly reduced monitoring cost; Owing to the multi-section traditional cameras of the alternative different angles of video camera, watch-dogs such as required camera, wiring, video recording, demonstration significantly reduce, and therefore, have reduced system's installation cost and difficulty of construction simultaneously;
3,, be convenient to monitor data and preserve because the prompting message amount that the utility model obtained is big, and it is little that retained data takies storage space, therefore, saved storage space.
4, because the total amount of monitoring image obviously reduces, therefore, having reduced needs image transmitted quantity, has saved transmission bandwidth.
5, the foundation of the correction of guarded region image interested, three-dimensional scenic and roaming help monitor staff's observation, increase monitoring effect, improve quality monitoring, reduce monitor staff's workload simultaneously effectively, reduce working strength.
6, to the automatic identification of guarded region destination object, and the detection in target orientation in three dimensions, satisfied the demand of third generation safety defense monitoring system to intelligent monitoring, promoted commercial application of the present utility model.
Therefore, the utility model has a good application prospect and vast market in the security protection industry, and its application and industrialization can promote the development of security protection industry, bring huge economic and social benefit.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1.A kind of 360 ° of panorama CCD camera lenses, include mirror head outer shell 1, the first non-spherical lens 2-1 of arch bridge shape is installed on mirror head outer shell 1 shell wall, it is outer as light receiving surface that the first non-spherical lens 2-1 arched part is positioned at shell wall, be positioned at the first spherical lens 3-1 that is disposed with on the first non-spherical lens 2-1 rear light path with the first non-spherical lens 2-1 common optical axis in the mirror head outer shell 1, the second spherical lens 3-2, the first cylindrical lens 4-1, the 3rd spherical lens 3-3, the second cylindrical lens 4-2, be shaped to the 4th spherical lens 3-4 and the 5th spherical lens 3-5 of one, be shaped to the 6th spherical lens 3-6 and the 7th spherical lens 3-7 of one, the 8th spherical lens 3-8 and the second non-spherical lens 2-2, the one side of the second non-spherical lens 2-2 arc is as exiting surface.Be provided with aperture-variable diaphragm 5 between the second cylindrical lens 4-2 and the 4th spherical lens 3-4, the pin hole of aperture-variable diaphragm 5 is positioned on the light path of the second cylindrical lens 4-2 and the 4th spherical lens 3-4.Ccd sensor 6 places outside the mirror head outer shell 1 and aims at the arcwall face of the second non-spherical lens 2-2, receives emergent light.
Optical system in the utility model housing is made up of 12 eyeglasses, and the field range of full shot has surpassed 180 degree, can effectively eliminate monitoring " blind spot ", satisfies the needs of large-range monitoring.In the field range that surpasses 180 degree, it is very interesting areas of monitor staff that the subregion is arranged, therefore, when the design of camera lens, this regional monitoring image has been carried out suitably amplifying, and the monitoring image of non-area-of-interest has been carried out suitably dwindling, to meet the needs of monitoring.
Because what the utility model was become on ccd sensor resembles the ovalize receptive pattern,, CCD has been improved more than 30% from the amount of image information that optical lens obtains therefore with traditional circular sensor receptive pattern.
Because the captured monitoring image of the utility model is oval-shaped fault image, does not meet the observation habit of human eye vision, therefore, need proofread and correct by the computer special software this image.And simultaneously, because human eye has stronger clairvoyance and judgment to three dimensions, therefore, the utility model utilizes virtual reality technology on the basis that oval monitoring image is proofreaied and correct, and the three-dimensional space position of guarded region is reduced; At continuous images, can realize the real time roaming of virtual three-dimensional monitoring space, increase user interactions simultaneously, make the user can freely select the path of roaming, and own interesting areas is carried out the observation in each orientation.
Claims (2)
1. one kind 360 ° panorama CCD camera lenses, include mirror head outer shell, it is characterized in that: first non-spherical lens that the arch bridge shape is installed on the described mirror head outer shell shell wall, it is outer as light receiving surface that the described first non-spherical lens arched part is positioned at described shell wall, be positioned at first spherical lens that is disposed with on the first non-spherical lens rear light path with the first non-spherical lens common optical axis in the described mirror head outer shell, second spherical lens, first cylindrical lens, the 3rd spherical lens, second cylindrical lens, be shaped to the 4th spherical lens and the 5th spherical lens of one, be shaped to the 6th spherical lens and the 7th spherical lens of one, the 8th spherical lens and second non-spherical lens, the one side of the described second non-spherical lens arc is as exiting surface.
2. a kind of 360 ° of panorama CCD camera lenses according to claim 1, it is characterized in that: be provided with aperture-variable diaphragm between described second cylindrical lens and the 4th spherical lens, the pin hole of described aperture-variable diaphragm is positioned on the light path of second cylindrical lens and the 4th spherical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202850826U CN201788312U (en) | 2010-07-30 | 2010-07-30 | 360-degree full-shot CCD (charge coupled device) camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202850826U CN201788312U (en) | 2010-07-30 | 2010-07-30 | 360-degree full-shot CCD (charge coupled device) camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788312U true CN201788312U (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202850826U Expired - Fee Related CN201788312U (en) | 2010-07-30 | 2010-07-30 | 360-degree full-shot CCD (charge coupled device) camera lens |
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| Country | Link |
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| CN (1) | CN201788312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2585749C1 (en) * | 2015-04-27 | 2016-06-10 | Вячеслав Михайлович Смелков | Device for computer system for panoramic television surveillance with implementation of exchange of image parameters |
-
2010
- 2010-07-30 CN CN2010202850826U patent/CN201788312U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2585749C1 (en) * | 2015-04-27 | 2016-06-10 | Вячеслав Михайлович Смелков | Device for computer system for panoramic television surveillance with implementation of exchange of image parameters |
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Legal Events
| 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 |
Granted publication date: 20110406 Termination date: 20140730 |
|
| EXPY | Termination of patent right or utility model |