CN102253571A - Camera equipment and infrared optical filter switching device - Google Patents
Camera equipment and infrared optical filter switching device Download PDFInfo
- Publication number
- CN102253571A CN102253571A CN201110009335.6A CN201110009335A CN102253571A CN 102253571 A CN102253571 A CN 102253571A CN 201110009335 A CN201110009335 A CN 201110009335A CN 102253571 A CN102253571 A CN 102253571A
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- switching device
- device shifter
- infrared
- motor
- picture pick
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- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims abstract description 14
- 206010070834 Sensitisation Diseases 0.000 claims description 13
- 230000008313 sensitization Effects 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention discloses camera equipment and an infrared optical fiber switching device. The camera equipment comprises a lens body, a stepping motor, a claw with threads, a motor screw, a motor bracket, a guide shaft and a switching device body; the switching device body comprises an infrared edge optical filter and an infrared pass optical fiber; the stepping motor is mounted on the motor bracket, the motor screw is connected with the stepping motor, the claw with the threads is arranged on the motor screw, the switching device body is arranged on the guide shaft, the claw with threads is connected with the switching device body, and the guide shaft and the motor bracket are mounted on the lens body of the camera equipment. By using the camera equipment, the infrared optical filter switching device can be applied to a tenfold mini lens, and a position detector is arranged on the lens so as to confirm that the optical filter is successfully switched.
Description
Technical field
The present invention relates to safety-security area, in particular a kind of picture pick-up device and infrared fileter switching device shifter thereof.
Background technology
Existing integrated camera generally is used for round-the-clock safety monitoring industry, and it also requires to monitor under the condition of infrared light night except that requiring to monitor daytime.Therefore just require the video camera can infrared light responsive.Under the daytime well-lighted state, there is a large amount of infrared lights in the environment,, is called for short: colour cast if the video camera infrared light responsive then can cause the color of object untrue.
In order to solve the problem that daytime, colour cast evening again can infrared light responsive, existing method is the switching device shifter that infrared fileter is set in video camera, promptly by day the time, cutoff filter is switched to photosensitive sites; In the time of evening, switch to photosensitive sites by optical filter with infrared.
At present, the solenoid valve that adopts during the infrared fileter switching device shifter in the integrated camera drives.But, cause it on 10 times of mini camera lenses, can not use because the structural volume of solenoid valve is bigger.In addition, owing to adopt the infrared fileter switching device shifter of solenoid-driven not have position detector, can cause and not know whether switching is successful; And the unascertainable problem in position of the initial stage infrared fileter that powers on.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of picture pick-up device and infrared fileter switching device shifter thereof, structural volume is big and do not have a problem of position probing when being intended to solve the employing solenoid-driven infrared fileter switching device shifter of existing integrated camera.
Technical scheme of the present invention is as follows:
A kind of infrared fileter switching device shifter of picture pick-up device, comprise the camera lens body, wherein, also comprise step motor, screwed claw, the motor screw rod, the motor carriage, the axis of guide, the switching device shifter body, comprise cutoff filter and the infrared optical filter that passes through on the described switching device shifter body, described step motor is installed on the described motor carriage, described motor screw rod is connected with step motor, described screwed claw is assemblied on the described motor screw rod, described switching device shifter body is assemblied on the described axis of guide, described screwed claw connects described switching device shifter body, and the described axis of guide and described motor carriage are installed on the camera lens body of described picture pick-up device.
The infrared fileter switching device shifter of described picture pick-up device wherein, also comprises the opsition detector of the position that is used to detect described infrared fileter switching device shifter, and described position detector is arranged on the camera lens body.
The infrared fileter switching device shifter of described picture pick-up device, wherein, described position detector is an infrared energy-conserving type optical chopper, it comprises light emitting diode, sensitization triode and anti-dazzling screen; Described anti-dazzling screen is arranged on the described switching device shifter body, is used to stop described sensitization triode to respond to the light that described light emitting diode sends.
The infrared fileter switching device shifter of described picture pick-up device, wherein, described motor screw rod and described step motor rotate synchronously.
The infrared fileter switching device shifter of described picture pick-up device, wherein, described infrared fileter switching device shifter will be through the position initialization operation after powering on.
The infrared fileter switching device shifter of described picture pick-up device, wherein, described anti-dazzling screen and described infrared by being arranged on homonymy, when described infrared when switching to photosensitive region by optical filter, described anti-dazzling screen blocks the light that the inducing luminous diode of described sensitization triode sends.
The infrared fileter switching device shifter of described picture pick-up device, wherein, described step motor is by clockwise rotating or rotate counterclockwise the described switching device shifter body of control.
A kind of picture pick-up device wherein, comprises above-mentioned infrared fileter switching device shifter in the described picture pick-up device.
Beneficial effect of the present invention: the present invention is by being provided with a step motor, driving the infrared fileter switching device shifter by step motor switches, dwindled volume, it can be used on 10 times of mini camera lenses, and a position detector is set on camera lens, can guarantee that optical filter can switch to the precalculated position accurately, and can accurate in locating at the initial stage of powering on.
Description of drawings
Fig. 1 and Fig. 2 are the structural representations of infrared fileter switching device shifter provided by the invention.
Fig. 3 is the detection principle schematic of position detector provided by the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
Referring to Fig. 1 and Fig. 2, the infrared fileter switching device shifter of picture pick-up device provided by the invention comprises camera lens body 1, step motor 2, screwed claw 3, motor screw rod 4, motor carriage 5, the axis of guide 6, switching device shifter body 7 and opsition detector 8, comprises cutoff filter 72, infrared by optical filter 71 on the described switching device shifter body.Described motor carriage 5 is installed on the described camera lens body 1, and described step motor 2 is fixed on the motor carriage 5, and described motor screw rod 4 is connected with step motor 2.After step motor 2 powered on rotation, described motor screw rod 4 was followed step motor 2 and is rotated synchronously.Described screwed claw 3 is assemblied on the described motor screw rod 4, and when motor screw rod 4 rotated, described screwed claw 3 can move along motor screw rod 4 axis directions.The described axis of guide 6 is installed on the camera lens body 1, and described switching device shifter body 7 is assemblied on the described axis of guide 6, and can slide along the axis of guide 6.Described screwed claw 3 is connected with switching device shifter body 7.
After described step motor 2 powers on, be whether the described step motor 2 of may command rotates by controller.When step motor 2 rotated, described screwed claw 3 move on motor screw rod 4, will drive simultaneously that be connected switching device shifter body 7 with it mobile on the described axis of guide 6.When switching device shifter body 7 moves to the precalculated position, can stop operating by control step motor 2.
The present invention also is provided with a position detector 8 for position that can accurate in locating switching device shifter body 7, and described position detector 8 is arranged on the described camera lens body 1.Referring to Fig. 3, embodiment for the preferential position detector of the present invention, present embodiment adopts infrared energy-conserving type optical chopper as position detector, it comprises light emitting diode and sensitization triode, the light output high value that described sensitization triode sends by inducing luminous diode, also comprise an anti-dazzling screen 73 that between light emitting diode and sensitization triode, moves, described anti-dazzling screen 73 is arranged on the switching device shifter body 7, and described anti-dazzling screen 73 is along with the infrared fileter switching operation of switching device moves between light emitting diode and sensitization triode.Its principle of work is: when the anti-dazzling screen 73 on being arranged on switching device shifter body 7 did not keep off between light emitting diode and sensitization triode, Vout exported high level; When described anti-dazzling screen 73 retainings are between described light emitting diode and sensitization triode, the Vout output low level.It is output high level or low level is the position of decidable switching device shifter body 7 that control system only need detect Vout.
Among the embodiment provided by the invention, described anti-dazzling screen 73 infraredly is arranged on homonymy by optical filter 71 with described, when described switching device shifter body 7 switches to the IR-cut position, be that cutoff filter 72 is when being in photosensitive region, described anti-dazzling screen 73 does not keep off between described light emitting diode and sensitization triode, and Vout exports high level.
Described infrared fileter switching device shifter needs to carry out initialization after picture pick-up device powers on, its initialized flow process may further comprise the steps:
Step S1: device power, and read the output valve Vout of position detector.
Step S2: the output valve Vout that judges position detector is high level or low level, if high level execution in step S3 then, if low level execution in step S6 then.
Step S3: step motor rotates clockwise to be changeed.
Step S4: the output valve that reads position detector.
Step S5: the output valve Vout that judges position detector is high level or low level, if high level execution in step S3 then, if low level execution in step S6 then.
Step S6: step motor changes counterclockwise.
Step S7: the output valve that reads position detector.
Step S8: the output valve Vout that judges position detector is high level or low level, if high level is then finished initialization operation, if low level execution in step S6 then.
The init state that present embodiment proposes is in photosensitive region for the cutoff filter 72 that guarantees described infrared fileter switching device shifter.Certainly, described init state also can be provided with the infrared initial position that is defined as when being in photosensitive region by optical filter 71, the initialization flow process of this moment just and above-mentioned flow process different.
The detailed operation principle and the flow process of infrared fileter switching device shifter provided by the invention are:
The first step: give device power,, judge that it is high level or low level, just can know that working as front filter is to feel infrared position or do not feeling infrared position by reading the output valve Vout of position detector.
Second step: described infrared fileter switching device shifter is carried out position initialization.
The 3rd step: after position initialization, current initial position has just accurately been determined.Next, when needs switch infrared fileter, just infrared fileter can be moved on to the exact position of appointment by the step number of counting step motor.
The 4th step: infrared fileter is in the process of switching, when the output valve Vout of position detector becomes high level by low level, and when high level becomes low level, the step number unanimity of the step number of record motor at that time motor during whether with initialization, if consistent, illustrate and switch and correctly to finish.If inconsistent, then to carry out initialization again.So just can guarantee that each switching all is successful, solve the whether problem of handover success the unknown of electromagnetic valve device.And described infrared fileter switching device shifter volume is little, can use on 10 times of mini camera lenses.
The step number of motor is that lens design comes out just to have determined during described initialization, is a constant value.When the camera lens initialization, can at first motor driven be become the position of high level by low level to output valve Vout.Step number when then this constant value being composed to the variable of recording pen motor step number as the initialization of motor.
The present invention also provides and is provided with above-mentioned infrared fileter switching device shifter in the described picture pick-up device of a kind of picture pick-up device.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (8)
1. the infrared fileter switching device shifter of a picture pick-up device, comprise the camera lens body, it is characterized in that, also comprise step motor, screwed claw, the motor screw rod, the motor carriage, the axis of guide, the switching device shifter body, comprise cutoff filter and the infrared optical filter that passes through on the described switching device shifter body, described step motor is installed on the described motor carriage, described motor screw rod is connected with step motor, described screwed claw is assemblied on the described motor screw rod, described switching device shifter body is assemblied on the described axis of guide, described screwed claw connects described switching device shifter body, and the described axis of guide and described motor carriage are installed on the camera lens body of described picture pick-up device.
2. the infrared fileter switching device shifter of picture pick-up device according to claim 1 is characterized in that, also comprises the opsition detector of the position that is used to detect described infrared fileter switching device shifter, and described position detector is arranged on the camera lens body.
3. the infrared fileter switching device shifter of picture pick-up device according to claim 2 is characterized in that, described position detector is an infrared energy-conserving type optical chopper, and it comprises light emitting diode, sensitization triode and anti-dazzling screen; Described anti-dazzling screen is arranged on the described switching device shifter body, is used to stop described sensitization triode to respond to the light that described light emitting diode sends.
4. the infrared fileter switching device shifter of picture pick-up device according to claim 3 is characterized in that, described motor screw rod and described step motor rotate synchronously.
5. the infrared fileter switching device shifter of picture pick-up device according to claim 3 is characterized in that, described infrared fileter switching device shifter will be through the position initialization operation after powering on.
6. the infrared fileter switching device shifter of picture pick-up device according to claim 3, it is characterized in that, described anti-dazzling screen and described infrared by being arranged on homonymy, when described infrared when switching to photosensitive region by optical filter, described anti-dazzling screen blocks the light that the inducing luminous diode of described sensitization triode sends.
7. the infrared fileter switching device shifter of picture pick-up device according to claim 1 is characterized in that, described step motor is by clockwise rotating or rotate counterclockwise the described switching device shifter body of control.
8. a picture pick-up device is characterized in that, comprises infrared fileter switching device shifter described in any one of the claim 1 to 7 in the described picture pick-up device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110009335.6A CN102253571B (en) | 2011-01-17 | 2011-01-17 | Camera equipment and infrared optical filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110009335.6A CN102253571B (en) | 2011-01-17 | 2011-01-17 | Camera equipment and infrared optical filter switching device |
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| Publication Number | Publication Date |
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| CN102253571A true CN102253571A (en) | 2011-11-23 |
| CN102253571B CN102253571B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110009335.6A Expired - Fee Related CN102253571B (en) | 2011-01-17 | 2011-01-17 | Camera equipment and infrared optical filter switching device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176337A (en) * | 2011-12-22 | 2013-06-26 | 鸿富锦精密工业（深圳）有限公司 | Optical filter switching structure of monitor |
| CN103841409A (en) * | 2012-11-26 | 2014-06-04 | 浙江大华技术股份有限公司 | Detecting method, device and system for switching infrared filter |
| CN103888651A (en) * | 2014-04-16 | 2014-06-25 | 中怡(苏州)科技有限公司 | Network camera |
| CN110943655A (en) * | 2019-12-13 | 2020-03-31 | 苏州智感电子科技有限公司 | Self-checking method and system for stepping motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200944635Y (en) * | 2006-08-17 | 2007-09-05 | 上海龙达胜宝利光电有限公司 | Digital automatically day and night photographic arrangement |
| CN101064778A (en) * | 2006-04-29 | 2007-10-31 | 上海乐金广电电子有限公司 | Photograph mode control method for monitor camera |
| CN201024280Y (en) * | 2007-04-11 | 2008-02-20 | 宁波红旗马纺织机械科技有限公司 | Yarn moving regulation device for computerized flat knitting machine |
-
2011
- 2011-01-17 CN CN201110009335.6A patent/CN102253571B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064778A (en) * | 2006-04-29 | 2007-10-31 | 上海乐金广电电子有限公司 | Photograph mode control method for monitor camera |
| CN200944635Y (en) * | 2006-08-17 | 2007-09-05 | 上海龙达胜宝利光电有限公司 | Digital automatically day and night photographic arrangement |
| CN201024280Y (en) * | 2007-04-11 | 2008-02-20 | 宁波红旗马纺织机械科技有限公司 | Yarn moving regulation device for computerized flat knitting machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176337A (en) * | 2011-12-22 | 2013-06-26 | 鸿富锦精密工业（深圳）有限公司 | Optical filter switching structure of monitor |
| CN103841409A (en) * | 2012-11-26 | 2014-06-04 | 浙江大华技术股份有限公司 | Detecting method, device and system for switching infrared filter |
| CN103841409B (en) * | 2012-11-26 | 2015-10-14 | 浙江大华技术股份有限公司 | Detection method, Apparatus and system that infrared fileter switches |
| CN103888651A (en) * | 2014-04-16 | 2014-06-25 | 中怡(苏州)科技有限公司 | Network camera |
| US9538094B2 (en) | 2014-04-16 | 2017-01-03 | Sercomm Corporation | IP camera with IR cut burnout and dislocation avoidance mechanism |
| CN103888651B (en) * | 2014-04-16 | 2017-08-25 | 中磊电子（苏州）有限公司 | Network camera |
| CN110943655A (en) * | 2019-12-13 | 2020-03-31 | 苏州智感电子科技有限公司 | Self-checking method and system for stepping motor |
| CN110943655B (en) * | 2019-12-13 | 2021-07-27 | 苏州智感电子科技有限公司 | Self-checking method and system for stepping motor |
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| CN102253571B (en) | 2014-07-16 |
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