CN1357790A - Controller for matching selection of optical zoom lens and optical filter - Google Patents
Controller for matching selection of optical zoom lens and optical filter Download PDFInfo
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- CN1357790A CN1357790A CN 01133426 CN01133426A CN1357790A CN 1357790 A CN1357790 A CN 1357790A CN 01133426 CN01133426 CN 01133426 CN 01133426 A CN01133426 A CN 01133426A CN 1357790 A CN1357790 A CN 1357790A
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Abstract
The present invention is controller for matching selection of zoom lens and optical filter of TV camera. Technological, the present invention is that on the zoom lens disc and the optical filter disc there are designed and carved code wheel patterns comprising bright and dark code bars in three concentric circles; and that there is monochip computer to collect the position signals of the zoom lens disc and the optical filter disc and thus to control the switch combination state for the matching of zoom lens and optical filter. The rotation shafts of the zoom lens disc, the optical filter disc and their driving motors are in the same axle, and the present invention has compact structure and reliable operation.
Description
(1) technical field
The invention belongs to the control device of the change times lens group and the optical filter group match selection of a kind of television camera optical lens in the photoelectric instrument field.
(2) background technology
Factors such as the multiplying power of the photographed images quality of television camera and the optical lens of video camera, tone, object plane illumination have direct relation.Tone has direct relation with the optical lens of video camera and the reasonable coupling of optical filter of different colours again.
In the television camera of some special applications, the optical lens that optical lens adopts the optical filter that becomes multiplying power optical lens and different colours to be complementary and to make up, and the selection of the mutual coupling of this change multiplying power optical lens (becoming times camera lens to call in the following text) and different colours optical filter (to call optical filter in the following text) is to need could realize by certain control device control.Before the present invention, the prior art the most approaching with the present invention is the change times camera lens of Changchun Inst. of Optics and Fine Mechanics, Chinese Academy of Sciences's development and the device of optical filter coupling.As shown in Figure 1: form by gauge tap 1, analog line driver 2 and 7, motor 3 and 6, change times lens turret 4, optical filter disk 5, luminotron 9 and 10, photoelectric apparatus 8 and 11.Become to have only on times lens turret 4 hole that becomes times camera lens is installed, and do not have other; Have only the hole that optical filter is installed on the optical filter disk 5, and do not have other.
The subject matter that this device exists is: the position that can not determine to discern the optical filter of the optical lens of particular power and particular color automatically, can not realize that the optical lens of particular power and the optical filter of desired different colours mate automatically, need watch by human eye, mate with manual mode, having a strong impact on work efficiency.In order to overcome above-mentioned shortcoming, a kind of novel control device of ad hoc meter is realized the coupling of the optical lens and the desired optical filter of different multiplying automatically.
(3) summary of the invention
The technical problem to be solved in the present invention is: becoming on times lens turret and the optical filter disk, design code-disc pattern is used computer data acquisition on control circuit.
The technical scheme of technical solution problem is: becoming the coding pattern that designs and scribe the absolute type code-disc on times lens turret and the optical filter disk, determine that identification becomes the position of times camera lens and optical filter, code-disc adopts the concentric circles code channel of three different radiis, every light and dark layout of code channel; Control circuit adopts the single-chip microcomputer collection to become times camera lens and optical filter disk outgoing position signal, with the coupling of gauge tap state group incompatible realization control change times camera lens and optical filter.
Detailed content of the present invention such as Fig. 2, Fig. 3, Fig. 4, shown in Figure 5 are made up of motor 12, change times lens turret 13, optical filter disk 14, motor 15, receiving element 16, luminotron 17 and 18, receiving element 19, gauge tap 20, circuit controller 21.Wherein, become on times lens turret 13, the concentric circles code channel of three different radiis arranged, every light and dark layout of code channel, from outside inward (toward center of circle direction) be a code channel 22, two code channels 23, three code channels 24 successively.Be 0 ° of degree (containing 360 °) with the vertical diameter top that becomes times lens turret 13, become times lens turret 13 and be rotated counterclockwise that the printing opacity of a code channel 22 (bright) part is 180 °～360 °; The printing opacity of two code channels 23 (bright) part be 0 ° (360 °), 90 °, 180 °, 270 °; The printing opacity of three code channels 24 (bright) part is 45 °～135 °, 225 °～315 °.Become the inboard of three code channels 24 of times lens turret 13, uniform four become times camera aperture 25 on vertical diameter and the isometric position of horizontal diameter, in order to the change times camera lens of installation different multiplying; The light transmission part of one code channel 22, two code channels 23, three code channels 24 also all is the light hole that becomes on times lens turret 13, wherein, four light transmission parts of two code channels 23 (0 °, 90 °, 180 °, 270 °), also be four light holes that become times lens turret 13, in light hole, two holes of 0 ° and 180 ° and on vertical diameter two become times camera aperture 25 on same diameter, two holes of 90 ° and 270 ° and become times camera lenses 25 on same diameter at two on the horizontal diameter.On the optical filter disk 14, the concentric circles code channel that three different radiis are arranged, every light and dark layout of code channel, from outside inward (toward center of circle direction) be a code channel 26 successively, two code channels 27, three code channels 28, top with the vertical diameter of optical filter disk 14 is 0 ° of degree (containing 360 °), optical filter disk 14 is rotated counterclockwise, the printing opacity of one code channel 26 (bright) part is 180 °-360 °, the printing opacity of two code channels 27 (bright) part is 0 ° (containing 360 °), 90 ° 180 °, 270 °, the printing opacity of three code channels 28 (bright) part is 45 °-135 °, 225 °-315 °, the inboard of three code channels 28 of optical filter disk 14, on the isometric position of vertically diameter and horizontal diameter, uniform four optical filtering film perforations 29, in order to the optical filter of different colours to be installed, one code channel 26, two code channels 27, the light transmission part of three code channels 28 also is the light hole of optical filter disk 14, wherein, four light transmission parts of two code channels 27 also are four light holes of optical filter disk 14, in light hole, two holes of 0 ° and 180 °, with two optical filtering film perforations 29 on vertical diameter on same diameter, two holes of 90 ° and 270 ° and two optical filtering film perforations 29 on the horizontal diameter are on same diameter.
In device of the present invention, the output terminal of gauge tap 20 links to each other with the input end of circuit controller 21, the output terminal of circuit controller 21 links to each other with the input end of motor 12, motor 15 respectively, the rotating shaft of motor 12 is connected with the rotating shaft that becomes times lens turret 13, and the rotating shaft of the rotating shaft of motor 15 and optical filter disk 14 is connected; Motor 12, change times lens turret 13, optical filter disk 14, motor 15, four rotating shaft is on same axis, light hole (as two code channels, 23 light holes) on the change times lens turret 13 and the luminotron 18 of its both sides, the luminotron 17 of the light hole on receiving element 19 and the optical filter disk 14 (as two code channels, 27 light holes) and its both sides, receiving element 16, six are on same optical axis.
Principle of work explanation: on change times lens turret and optical filter disk, be provided with absolute type code-disc code channel, according to the optical encoder principle, with code channel as position reference, provide in real time and become times camera lens and different colours optical filter present located position, when gauge tap 1 selected required a certain multiplying power camera lens or a certain color filter position, single-chip microcomputer in the circuit controller 21 is gathered the code channel positional information on two disks in real time, according to the change times camera lens on specified two disks of gauge tap 1 or the position of optical filter position and code channel, single-chip microcomputer is judged the direction that will rotate and the position that stops, send control signal by single-chip microcomputer, drive to become times lens turret or the optical filter disk rotates to appointed positions through the analog line driver drive motor, just can obtain the reasonable coupling of the optical filter of the camera lens of a certain particular power and a certain particular color.
Good effect: the code channel of absolute type code-disc is engraved in becomes on times lens turret and the optical filter disk, code-disc is coaxial with the disk consubstantiality, has both dwindled the instrument volume, again loss of accuracy not; As position reference, can measure the position that becomes times camera lens, optical filter with scrambler, reliable and stable; According to scrambler output and gauge tap state, can make intelligent equipment by the coupling that Single-chip Controlling is selected to become times camera lens and optical filter automatically, increase work efficiency greatly and work quality.
(4) description of drawings
Fig. 1 is the structural representation of prior art, and Fig. 2 is a structural representation of the present invention, and Fig. 3 is the structural representation that becomes times lens turret, and Fig. 4 is the structural representation of optical filter disk, and Fig. 5 is the theory diagram of circuit controller, and Figure of abstract also adopts Fig. 2.
(5) embodiment
The present invention adopts Fig. 2, Fig. 3, structure shown in Figure 4, the material that becomes times lens turret 13 and optical filter disk 14 adopts aluminium alloy, be carved with the coding pattern of absolute type code-disc above, code channel adopts the concentric circles of three different radiis, every light and dark distribution of code channel, become times camera aperture and optical filtering film perforation and be provided with four, be distributed on vertical diameter and the horizontal diameter, one, two, three code channel light holes are also as the light hole that becomes on times lens turret and the optical filter disk, light path as luminotron and receiving element, motor 12 and 15 adopts small-sized diameter motor, and the single-chip microcomputer on the circuit controller 21 adopts 87051 8-bit microcontrollers.
Claims (3)
1, the control device of a kind of change of optical lens times camera lens and optical filter match selection, form by gauge tap, motor, change times lens turret, optical filter disk, luminotron, receiving element, it is characterized in that the present invention includes motor (12) and (15), become times lens turret (13), optical filter disk (14),, luminotron (17) and (18), receiving element (16) and (19), gauge tap (20), circuit controller (21); In apparatus of the present invention, the output terminal of gauge tap (20) links to each other with the input end of circuit controller (21), the output terminal of circuit controller (21) links to each other with the input end of motor (12), motor (15) respectively, the rotating shaft of motor (12) is connected with the rotating shaft that becomes times lens turret (13), and the rotating shaft of the rotating shaft of motor (15) and optical filter disk (14) is connected; Motor (12), change times lens turret (13), optical filter disk (14), motor (15), four rotating shaft is on same axis, light hole (as two code channels, 23 light holes) on the change times lens turret (13) and the luminotron (18) of its both sides, luminotron (17), the receiving element (16) of the light hole on receiving element (19) and the optical filter disk (14) (as two code channels (27) light hole) and its both sides, six on same optical axis.
2, by the change times camera lens of the described a kind of optical lens of claim 1 and the control device of optical filter match selection, it is characterized in that becoming on times lens turret (13), the concentric circles code channel that three different radiis are arranged, every light and dark layout of code channel, from outside inward (toward center of circle direction) be a code channel (22), two code channels (23), three code channels (24) successively.Be 0 ° of degree (containing 360 °) with the vertical diameter top that becomes times lens turret (13), become times lens turret (13) and be rotated counterclockwise that printing opacity (bright) part of a code channel (22) is 180 °～360 °; The printing opacity (bright) of two code channels (23) part be 0 ° (360 °), 90 °, 180 °, 270 °; Printing opacity (bright) part of three code channels (24) is 45 °～135 °, 225 °～315 °.Become the inboard of three code channels (24) of times lens turret (13), uniform four change times camera aperture (25) on vertical diameter and the isometric position of horizontal diameter, one code channel 22, two code channels 23, the light transmission part of three code channels 24, it also all is the light hole that becomes times lens turret 13, wherein four light transmission parts of two code channels (23) are (0 °, 90 °, 180 °, 270 °), also be four light holes that become times lens turret (13), in light hole, two holes of 0 ° and 180 °, become times camera aperture (25) on same diameter with on vertical diameter two, two holes of 90 ° and 270 ° and become times camera lenses (25) on same diameter at two on the horizontal diameter.
3, by the change times camera lens of the described a kind of optical lens of claim 1 and the control device of optical filter match selection, it is characterized in that, on the optical filter disk (14), the concentric circles code channel that three different radiis are arranged, every light and dark layout of code channel, from outside inward (toward center of circle direction) be a code channel (26) successively, two code channels (27), three code channels (28), top with the vertical diameter of optical filter disk (14) is 0 ° (containing 360 °), optical filter disk (14) is rotated counterclockwise, printing opacity (bright) part of one code channel (26) is 180 °-360 °, printing opacity (bright) part of two code channels (27) is 0 ° (containing 360 °), 90 °, 180 °, 270 °, printing opacity (bright) part of three code channels (28) is 45 °-135 °, 225 °-315 °, the inboard of three code channels (28) of optical filter disk (14), on the isometric position of vertically diameter and horizontal diameter, uniform four optical filtering film perforations (29), one code channel (26), two code channels (27), the light transmission part of three code channels (28) also is the light hole of optical filter disk (14), wherein, four light transmission parts of two code channels (27) also are four light holes of optical filter disk (14), in light hole, two holes of 0 ° and 180 °, with two optical filtering film perforations (29) on vertical diameter on same diameter, two holes of 90 ° and 270 ° and two the optical filtering film perforations (29) on the horizontal diameter are on same diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011334266A CN1138165C (en) | 2001-11-09 | 2001-11-09 | Controller for matching selection of optical zoom lens and optical filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011334266A CN1138165C (en) | 2001-11-09 | 2001-11-09 | Controller for matching selection of optical zoom lens and optical filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1357790A true CN1357790A (en) | 2002-07-10 |
| CN1138165C CN1138165C (en) | 2004-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011334266A Expired - Fee Related CN1138165C (en) | 2001-11-09 | 2001-11-09 | Controller for matching selection of optical zoom lens and optical filter |
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| CN (1) | CN1138165C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009998A1 (en) * | 2007-07-16 | 2009-01-22 | Gan He | A camera lens used in fog |
| CN101464683B (en) * | 2007-12-20 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Motor motion control system and method |
| CN102216846B (en) * | 2008-10-15 | 2015-03-11 | 弗莱尔***公司 | Infrared camera filter wheel systems and methods |
| CN110376701A (en) * | 2019-08-05 | 2019-10-25 | 舜宇光学(中山)有限公司 | Automatic zoom camera lens |
| CN114500816A (en) * | 2022-03-24 | 2022-05-13 | 杭州普维云技术有限公司 | Duplex seat IR-CUT and camera module |
-
2001
- 2001-11-09 CN CNB011334266A patent/CN1138165C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009998A1 (en) * | 2007-07-16 | 2009-01-22 | Gan He | A camera lens used in fog |
| CN101464683B (en) * | 2007-12-20 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Motor motion control system and method |
| CN102216846B (en) * | 2008-10-15 | 2015-03-11 | 弗莱尔***公司 | Infrared camera filter wheel systems and methods |
| CN110376701A (en) * | 2019-08-05 | 2019-10-25 | 舜宇光学(中山)有限公司 | Automatic zoom camera lens |
| CN114500816A (en) * | 2022-03-24 | 2022-05-13 | 杭州普维云技术有限公司 | Duplex seat IR-CUT and camera module |
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| Publication number | Publication date |
|---|---|
| CN1138165C (en) | 2004-02-11 |
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