CN202995124U - Synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens - Google Patents
Synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens Download PDFInfo
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- CN202995124U CN202995124U CN 201220625182 CN201220625182U CN202995124U CN 202995124 U CN202995124 U CN 202995124U CN 201220625182 CN201220625182 CN 201220625182 CN 201220625182 U CN201220625182 U CN 201220625182U CN 202995124 U CN202995124 U CN 202995124U
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Abstract
The utility model relates to a synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens. The synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens comprises a long-focal-length lens main objective lens a, and a long-focal-length auxiliary reflection lens d. The synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens is characterized in that the synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens further comprises a wide-angle-lens objective lens b which is equipped coaxially with the long-focal-length lens main objective lens. The synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens is advantageous in that: compared with a zooming lens with a large zoom ratio, the system can obtain a wide-angle lens with a wider angle and a long-focal-length multiplying power with a longer focal length, such as a focal length over 2 meters. Optical design difficulty of the zooming lens is reduced, and high image quality which can be difficultly realized is improved. According to the synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens, the wide-angle lens and the long-focal-length lens are in a coaxial mode. Multiplying power switching in the monitoring process is easier. The optical path designing structures of different wide-angle lenses and long-focal-length lenses are different.
Description
Technical field
The utility model relates to a kind of supervisory system, relates in particular to a kind of synchronization monitoring dual system optical imagery security protection telephoto lens for forest fire protection.
Background technology
Prior art adopts the varifocal optical system of large zoom ratio, this optical system will satisfy the blur-free imaging of low power and high power camera lens, its manufacturing cost is very high, and in use probability of use higher also only low power and high power these two burnt sections, in use, can not use simultaneously low power or high power to observe, and can only be observed to the low power zoom to high power zoom or high power by low power.Most monitoring camera has adopted the zoom camera lens, and from the wide-angle lens to the telephoto lens, but this wide-angle is larger with the minimum focus ratio with long burnt focal length maximum, whole light path design is more difficult, processing cost is higher, in order to realize that wide-angle with long burnt, just often will lose picture element accordingly.
The utility model content
the purpose of this utility model is to provide a kind of use coaxial double beam system, the camera lens that can realize long burnt and wide-angle is on coaxial, not needing that two camera lenses are done extra centering adjusts, use image collecting device (CCD, CMOS) can allow wide-angle video and long burnt video monitor simultaneously after, if find target and be directed to when changing target in the wide-angle video, long burnt video is also focused simultaneously in the target location, realize instant synchronization monitoring, the wide-angle part can be accomplished large clear aperture, focal length is shorter, the synchronization monitoring dual system optical imagery security protection telephoto lens that long burnt part can be accomplished larger multiplying power focal length.
The technical solution of the utility model is as follows: it comprises telephoto lens principal goods mirror a, and telephoto lens subreflector d is characterized in that: it also comprises wide-angle lens object lens b, described wide-angle lens object lens and the coaxial setting of telephoto lens principal goods mirror.
The utility model has the advantage of: with respect to the zoom lens of large zoom ratio, this system can reach wider wide-angle lens and the more burnt multiplying power of length of long-focus, for example focal length more than 2 meters.Reduce the optical design difficulty of picture zoom camera lens, improved the difficult high picture element of realizing of zoom camera lens.
The utility modelWide-angle lens is coaxial pattern with telephoto lens, and the switching of monitor procedure moderate multiplying factor is easier, and the light path design structure of different wide-angle lens and telephoto lens is different.
Description of drawings:
Fig. 1 is the structural representation of the monitoring camera of existing Cassegrain optical system or Maksutov's optical system.
Fig. 2 is the structural representation of serial one embodiment 1 of the present utility model.
Fig. 3 is the structural representation of serial one embodiment 2 of the present utility model.
Fig. 4 is the structural representation of serial one embodiment 3 of the present utility model.
Fig. 5 is the structural representation of serial one embodiment 4 of the present utility model.
Fig. 6 is the structural representation of serial two embodiment 5 of the present utility model.
Fig. 7 is the structural representation of serial two embodiment 6 of the present utility model.
Fig. 8 is the structural representation of serial two embodiment 7 of the present utility model.
Fig. 9 is the structural representation of serial two embodiment 8 of the present utility model.
Figure 10 is the structural representation of serial two embodiment 9 of the present utility model.
Figure 11 is the structural representation of serial two embodiment 10 of the present utility model.
Label declaration:
Telephoto lens principal goods mirror a, wide-angle lens object lens b, the first image collecting device c, telephoto lens subreflector d, reflective mirror e, telephoto lens corrector f, telephoto lens catoptron g, the second image collecting device h, wide-angle lens imaging lens i, light hurdle j, fixed mount k, reflective through hole l, mounting hole m,
Embodiment:
As shown in Fig. 2-11, technological core of the present utility model is on the basis of existing Cassegrain optical system or Maksutov's optical system telephoto lens (as shown in Figure 1), with telephoto lens principal goods mirror a and the coaxial setting of wide-angle lens object lens b.The concrete structure of its coaxial setting can have multiple, mainly can be divided into following two kinds of series:
Series one:
As shown in Fig. 2-5, the utility model also comprises reflective mirror e, image capturing system and back mirror group and fixed mount k; By wide-angle lens object lens b, reflective mirror e, telephoto lens subreflector d sequentially light path connect to form the wide-angle lens objective lens; Described image capturing system comprises the first image collecting device c and wide-angle lens imaging lens i.Offer the mounting hole m of image capturing system on primary mirror barrel corresponding to the light path reflection of catoptron e, a whole set of image capturing system is arranged on mounting hole m; Described back mirror group comprises telephoto lens corrector f, telephoto lens catoptron g and the second image collecting device h.
The utility model also comprises fixed mount k; Described fixed mount is the penetrating cylindrical shapes in two ends, and described fixed mount adopts lighttight material to make, and it can play the effect of wide-angle lens lens barrel; Offer reflective through hole l on the wall of fixed mount, the reflected light of reflective mirror e reflexes to image capturing system from reflective through hole (l).
Embodiment 1:
As shown in Figure 2, (be central authorities' punching a) of telephoto lens principal goods mirror, described wide-angle lens objective lens is fixed in fixed mount k at first (group) glass that has telephoto lens now; The fixed mount that the wide-angle lens objective lens is installed is sleeved on this hole, makes wide-angle lens object lens b and telephoto lens principal goods mirror a on coaxial.Also be arranged with light hurdle j on fixed mount outside telephoto lens subreflector d.
Embodiment 2:
As shown in Figure 3, (central authorities that are telephoto lens principal goods mirror front and back a) arrange respectively (pasting or one-body molded or other combination) wide-angle lens object lens b1 and b2, are sequentially provided with wide-angle lens object lens b2, reflective mirror e, telephoto lens subreflector d in fixed mount at first (group) glass of telephoto lens; Also be arranged with light hurdle j on fixed mount outside telephoto lens subreflector d.
Embodiment 3:
As shown in Figure 4, (be that the central authorities at telephoto lens principal goods mirror back side a) arrange (pasting or one-body molded or other combination) wide-angle lens object lens b is arranged at first (group) glass of telephoto lens, described wide-angle lens objective lens is arranged in fixed mount, also is arranged with light hurdle j on the fixed mount outside wide-angle lens subreflector d.
Embodiment 4:
As shown in Figure 5, (central authorities that are telephoto lens principal goods mirror front a) arrange a wide-angle lens object lens b, are provided with reflective mirror e and telephoto lens subreflector d in fixed mount at first (group) glass of telephoto lens; Be provided with the fixed mount of reflective mirror e and telephoto lens subreflector d in the zone of the central authorities at the back side of telephoto lens principal goods mirror a, corresponding wide-angle lens object lens b is fixedly connected with, also is arranged with light hurdle j on the fixed mount outside telephoto lens subreflector d.
Series two:
As shown in Fig. 6-11, the utility model also comprises image capturing system, telephoto lens subreflector d and back mirror group; Described image capturing system comprises the first image collecting device c and wide-angle lens imaging lens i; Described back mirror group comprises telephoto lens corrector f, telephoto lens catoptron g and the second image collecting device h.
As shown in Fig. 6-11, the utility model also comprises fixed mount; Described fixed mount is the penetrating cylindrical shapes in two ends, and described fixed mount adopts lighttight material to make, and it can play the interception on light hurdle, plays simultaneously the effect of wide-angle lens lens barrel;
Embodiment 5:
As shown in Figure 6, (be central authorities' punching a) of telephoto lens principal goods mirror, described wide-angle lens object lens b, image capturing system and telephoto lens subreflector d are fixed in fixed mount k at first (group) glass that has telephoto lens now; Fixed mount is sleeved on this hole, makes wide-angle lens object lens b and body tube principal goods mirror a on coaxial.Also be arranged with light hurdle j on fixed mount outside telephoto lens subreflector d.
Embodiment 6
As shown in Figure 7, (central authorities that are telephoto lens principal goods mirror front and back a) arrange respectively (pasting or one-body molded or other combination) wide-angle lens object lens b1 and b2, are sequentially provided with wide-angle lens object lens b2, image capturing system, telephoto lens subreflector d in fixed mount at first (group) glass of telephoto lens; Also be arranged with light hurdle j on fixed mount outside telephoto lens subreflector d.
Embodiment 7:
As shown in Figure 8, (be that the central authorities at telephoto lens principal goods mirror back side a) arrange (pasting or one-body molded or other combination) wide-angle lens object lens b is arranged at first (group) glass of telephoto lens, described wide-angle lens object lens b, image capturing system and telephoto lens subreflector d are arranged in fixed mount, also are arranged with light hurdle j on the fixed mount outside wide-angle lens subreflector d.
Embodiment 8:
As shown in Figure 9, (central authorities that are telephoto lens principal goods mirror front a) arrange a wide-angle lens object lens b at first (group) glass of telephoto lens; Be provided with image capturing system and telephoto lens subreflector d in fixed mount; Described fixed mount is fixed on the back side of telephoto lens principal goods mirror a, also is arranged with light hurdle j on the fixed mount outside telephoto lens subreflector d.
Embodiment 9:
As shown in figure 10: the central authorities in the front of the telephoto lens principal goods mirror a of existing telephoto lens arrange image capturing system, and the central authorities at the back side of telephoto lens principal goods mirror a arrange telephoto lens subreflector d; Be outside equipped with light hurdle j at telephoto lens subreflector d.Central authorities in the front of telephoto lens principal goods mirror (a) arrange wide-angle lens object lens (b), are provided with the light hurdle that plays the effect of cutting apart the different light paths zone between telephoto lens principal goods mirror (a) and wide-angle lens object lens (b);
Embodiment 10:
As shown in figure 11, the central authorities' punching at the telephoto lens principal goods mirror a that has telephoto lens now is arranged on described image capturing system in this hole, makes described wide-angle lens imaging lens i coaxial with telephoto lens principal goods mirror a.
Converge at telephoto lens catoptron g telephoto lens catoptron after the refraction of light by telephoto lens principal goods mirror a, and by telephoto lens mirror reflects light to telephoto lens subreflector d, again light path is reflexed to telephoto lens corrector f, then pass through the video acquisition of image collecting device h, and photosignal is transferred in safety defense monitoring system.
Centre at telephoto lens principal goods mirror a is installed the wide-angle lens assembly, comprising being positioned at the wide-angle lens object lens b on same axle with telephoto lens principal goods mirror a, and reflect light to wide-angle lens imaging lens i by reflective mirror e, and carry out video acquisition by the image collecting device c that is positioned on imaging surface, and photosignal is transferred in safety defense monitoring system.
Claims (13)
1. synchronization monitoring dual system optical imagery security protection telephoto lens, it comprises telephoto lens principal goods mirror (a), telephoto lens subreflector (d), it is characterized in that: it also comprises the wide-angle lens object lens, described wide-angle lens object lens and the coaxial setting of telephoto lens principal goods mirror.
2. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 1, it is characterized in that: it also comprises reflective mirror (e), image capturing system, back mirror group and fixed mount (k); Form wide-angle lens master objective lens by wide-angle lens object lens (b), reflective mirror (e), wide-angle lens imaging lens (i) according to the light path order of connection; Described image capturing system comprises the first image collecting device (c); Offer the mounting hole (m) of image capturing system on primary mirror barrel corresponding to the light path reflection of catoptron (e), a whole set of image capturing system is arranged on mounting hole (m); Described back mirror group comprises telephoto lens corrector (f), telephoto lens catoptron (g) and the second image collecting device (h);
Described fixed mount is the penetrating cylindrical shapes in two ends, and described fixed mount adopts lighttight material to make, and offers reflective through hole (l) on the wall of fixed mount, and the reflected light of reflective mirror (e) reflexes to image capturing system from reflective through hole (l).
3. the synchronization monitoring dual system optical imagery security protection telephoto lens of stating according to claim 2 is characterized in that: in central authorities' punching of telephoto lens principal goods mirror (a), described wide-angle lens master objective lens is fixed in fixed mount (k); The fixed mount that wide-angle lens master objective lens is installed is sleeved on this hole, also is arranged with light hurdle (j) on the fixed mount outside telephoto lens subreflector (d).
4. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 2, it is characterized in that: the central authorities at the front and back of telephoto lens principal goods mirror (a) arrange respectively wide-angle lens object lens (b1, b2), are sequentially provided with wide-angle lens object lens (b2), reflective mirror (e), telephoto lens subreflector (d) in fixed mount; Also be arranged with light hurdle (j) on fixed mount outside telephoto lens subreflector (d).
5. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 2, it is characterized in that: the central authorities at the back side of telephoto lens principal goods mirror (a) are provided with wide-angle lens object lens (b), described wide-angle lens objective lens is arranged in fixed mount, also is arranged with light hurdle (j) on the fixed mount outside wide-angle lens subreflector (d).
6. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 2, it is characterized in that: the central authorities in the front of telephoto lens principal goods mirror (a) arrange wide-angle lens object lens (b), are provided with reflective mirror (e) and telephoto lens subreflector (d) in fixed mount; Be provided with the fixed mount of reflective mirror (e) and telephoto lens subreflector (d) in the zone of the central authorities at the back side of telephoto lens principal goods mirror (a), corresponding wide-angle lens object lens (b) is fixedly connected with, also is arranged with light hurdle (j) on the fixed mount outside telephoto lens subreflector (d).
7. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 1, it is characterized in that: it also comprises image capturing system, telephoto lens subreflector (d) and back mirror group; Described image capturing system comprises the first image collecting device (c) and wide-angle lens imaging lens (i); Described back mirror group comprises telephoto lens corrector (f), telephoto lens catoptron (g) and the second image collecting device (h);
It also comprises fixed mount; Described fixed mount is the penetrating cylindrical shapes in two ends, and described fixed mount adopts lighttight material to make, and it can play the lens barrel effect of wide-angle lens.
8. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 7, it is characterized in that: in central authorities' punching of telephoto lens principal goods mirror (a), described wide-angle lens object lens (b), image capturing system and telephoto lens subreflector (d) are fixed in fixed mount (k); Fixed mount is sleeved on this hole; Also be arranged with light hurdle (j) on fixed mount outside telephoto lens subreflector (d).
9. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 7, it is characterized in that: the central authorities at the front and back of telephoto lens principal goods mirror (a) arrange respectively wide-angle lens object lens (b1, b2), are sequentially provided with wide-angle lens object lens (b2), image capturing system, telephoto lens subreflector (d) in fixed mount; Also be arranged with light hurdle (j) on fixed mount outside telephoto lens subreflector (d).
10. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 7, it is characterized in that: the central authorities at the back side of telephoto lens principal goods mirror (a) are provided with wide-angle lens object lens (b), described wide-angle lens object lens (b), image capturing system and telephoto lens subreflector (d) are arranged in fixed mount, also are arranged with light hurdle (j) on the fixed mount outside wide-angle lens subreflector (d).
11. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 7, it is characterized in that: the central authorities in the front of telephoto lens principal goods mirror (a) arrange wide-angle lens object lens (b), are provided with the light hurdle that plays the effect of cutting apart the different light paths zone between telephoto lens principal goods mirror (a) and wide-angle lens object lens (b); Be provided with image capturing system and telephoto lens subreflector (d) in fixed mount; Described fixed mount is fixed on the back side of telephoto lens principal goods mirror (a), also is arranged with light hurdle (j) on the fixed mount outside telephoto lens subreflector (d).
12. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 7, it is characterized in that: the central authorities in the front of telephoto lens principal goods mirror (a) arrange image capturing system, and the central authorities at the back side of telephoto lens principal goods mirror (a) arrange telephoto lens subreflector (d); Be outside equipped with light hurdle (j) at telephoto lens subreflector (d).
13. synchronization monitoring dual system optical imagery security protection telephoto lens according to claim 7 is characterized in that: the central authorities' punching at telephoto lens principal goods mirror (a) is arranged on described image capturing system in this hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625182 CN202995124U (en) | 2012-11-22 | 2012-11-22 | Synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625182 CN202995124U (en) | 2012-11-22 | 2012-11-22 | Synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens |
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| CN202995124U true CN202995124U (en) | 2013-06-12 |
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| CN 201220625182 Expired - Fee Related CN202995124U (en) | 2012-11-22 | 2012-11-22 | Synchronous monitoring double-system optical imaging safety-protecting long-focal-length lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928948A (en) * | 2012-11-22 | 2013-02-13 | 福鼎市一雄光学仪器有限公司 | Synchronous-monitoring dual-system optical imaging telephoto lens for security protection |
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- 2012-11-22 CN CN 201220625182 patent/CN202995124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928948A (en) * | 2012-11-22 | 2013-02-13 | 福鼎市一雄光学仪器有限公司 | Synchronous-monitoring dual-system optical imaging telephoto lens for security protection |
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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 |
Granted publication date: 20130612 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |