CN105445882A - Miniature switching mechanism for realized fog-penetrating observation - Google Patents
Miniature switching mechanism for realized fog-penetrating observation Download PDFInfo
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- CN105445882A CN105445882A CN201410454972.8A CN201410454972A CN105445882A CN 105445882 A CN105445882 A CN 105445882A CN 201410454972 A CN201410454972 A CN 201410454972A CN 105445882 A CN105445882 A CN 105445882A
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- optical filter
- filter frame
- trigger switch
- fog
- miniature
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Abstract
The invention discloses a miniature switching mechanism for realized fog-penetrating observation. The miniature switching mechanism comprises an optical filter frame, wherein two kinds of optical filters are arranged inside the optical filter frame; the upper end of the optical filter frame is provided with a guide rod and a guide sleeve, the optical filter frame is fixedly connected with the guide sleeve, two ends of the guide rod are each provided with a bracket, a trigger switch is arranged on each bracket, an elastic sheet is arranged on the inner side of each bracket, and each elastic sheet is connected with the corresponding trigger switch; the lower end of the optical filter frame is provided with a motor, an output end is provided with a lead screw and a nut, the optical filter frame is fixedly connected with the nut through a shifting fork, and the lead screw can drive the nut to move leftward and rightward on the lead screw when the motor operates, so that the shifting fork drives the optical filter frame to move leftward and rightward; and the lead screw and the guide rod are arranged in parallel, and the trigger switches are connected with the motor through lead wires. The miniature switching mechanism is applied to modern observation instruments, realizes the switching of observation instruments under the conditions of fine weather or fog and haze weather, and further realizes the observation functions of the observation instruments under the conditions of fine weather or fog and haze weather.
Description
Technical field
The present invention relates to optical observation technical field, relate in particular to a kind of miniature throw-over gear realizing Penetrating Fog and observe, under weather is in thick fog weather, miniature throw-over gear drives and makes optical filter proceed to Penetrating Fog position from sunny day position, video camera proceeds to Penetrating Fog duty, make environmental goals blur-free imaging in thick fog, strengthen viewing distance.
Background technology
Due to the continuous change of current climate environment, to the performance of optical viewer and the requirement of observation ability more and more higher, such as when optical viewer is under fair weather condition and when using under thick fog or haze weather, how to realize the performance that optical viewer can both carry out effectively observing under fair weather condition and under thick fog or haze weather, but existing optical viewer far can not meet the requirement of current climate environmental change, under fair weather and thick fog or haze weather situation of change, there is wretched insufficiency in the observation ability of existing optical viewer.
Summary of the invention
The object of the present invention is to provide a kind of miniature throw-over gear realizing Penetrating Fog and observe, be applied on modern optical viewer, realize the conversion of optical viewer under fair weather condition and under thick fog or haze weather, and then realize the overview function of optical viewer under fair weather condition and under thick fog or haze weather.
To achieve these goals, technical scheme of the present invention is:
A kind of miniature throw-over gear realizing Penetrating Fog and observe, comprise optical filter frame, described optical filter frame be provided with under good weather condition, make visible ray normal through optical filter I and under thick fog or haze weather condition, make the optical filter II that visible ray ends, near infrared light passes through; The guide pin bushing that the upper end of described optical filter frame is provided with guide pillar and is movably arranged on guide pillar, can moves left and right, described optical filter frame is fixedly connected with guide pin bushing, the two ends of described guide pillar are provided with support, described support is provided with trigger switch, the inner side of described support is provided with shell fragment, and described shell fragment is connected with trigger switch; The lower end of described optical filter frame is provided with motor, the output terminal of described motor is provided with screw mandrel and screws the nut on screw mandrel, described optical filter frame is fixedly connected with screw by shift fork, when machine operation, described screw mandrel can drive nut to move left and right on screw mandrel, thus drives optical filter frame to move left and right by shift fork; Described screw mandrel and guide pillar be arranged in parallel, and described trigger switch, motor are fixedly connected on framework, and described trigger switch is connected with motor wire.
As the improvement to technique scheme, described optical filter I is the optical filter that sheet glass is made, and described optical filter II is coated with the sheet glass optical filter that near infrared band leads to rete on the surface.
As the improvement to technique scheme, described contact is elastic contact blade.
As the improvement to technique scheme, described trigger switch is mini trigger switch.
As the improvement to technique scheme, the other end of described screw mandrel is provided with fixed head.
Compared with prior art, have acquired by the present invention improvement and beneficial effect be:
The miniature throw-over gear realizing Penetrating Fog and observe of the present invention, framework is the carrying body of miniature throw-over gear, motor is fixedly connected with leading screw, nut is combined on leading screw, motor is installed on framework by screw, the other end of leading screw and the inner hole of fixed head, ensure the rectilinearity of leading screw during motor movement.
Optical filter frame has two square holes, respectively optical filter I and optical filter II is installed.Optical filter I is arranged in optical beam path under good weather condition, make visible ray normal through.Optical filter II is arranged in optical beam path under thick fog or haze weather condition, and it is coated with near infrared band and leads to rete, visible ray is ended, and near infrared light passes through.
Optical filter frame upper end has two raised plate to make guide pin bushing, and guide pin bushing and guide pillar are slidably matched; Be fixedly connected with fork by two screws on the downside of optical filter frame, fork lower end via hole, built with screw, is fixedly connected with nut.
The assembling guarantee of guide pillar is parallel with leading screw, and two mini trigger switchs are equipped with at two ends, outside mini trigger switch, the spring contact strip shielded is housed simultaneously.In leftward position, on the upside of optical filter frame, left side projection touches spring contact strip, touches microswitch further, the motor of running is shut down, provides the positional information of optical filter simultaneously, inform the current optical filter present position of electrical system.In right positions, on the upside of optical filter frame, the right is protruding touches spring contact strip, touches microswitch further, the motor of running is shut down, provides the positional information of optical filter simultaneously, inform the current optical filter present position of electrical system.
Under fair weather condition, optical filter frame is in right positions, under thick fog or haze weather, electric control system sends conversion instruction, electromotor servo control circuit output driving current, motor rotates, drive screw synchronous rotates, the nut that it screws starts to move from right to left side, drive fork end motion left, fork drives the end motion left of optical filter frame further, when optical filter II enters light path center, on the upside of optical filter frame, left side projection touches spring contact strip, touch microswitch to control the motor of running is shut down, system proceeds to Penetrating Fog and observes mode of operation.
Under weather is in thick fog weather, optical filter II is coated with near infrared band and leads to rete, can effectively hinder ought the visible ray parasitic light of target nearby, imaging on the light-sensitive surface allowing the near infrared light of distant object enter CCD device.Its principle is, under thick fog or haze weather, the near infrared light that the wavelength that target reflects relatively is grown, decay when propagating in atmosphere little, propagation distance is longer, and visible ray relative wavelength is shorter, and when propagating in atmosphere, decay is large, and propagation distance is nearer.
Accompanying drawing explanation
Fig. 1 is the structural representation of optical filter II of the present invention when being in light path.
Fig. 2 is the structural representation of optical filter I of the present invention when being in light path.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technology of the present invention is described in further detail.
As shown in Figure 1 and Figure 2, the miniature throw-over gear realizing Penetrating Fog and observe of the present invention, comprise optical filter frame 8, described optical filter frame 8 be provided with under good weather condition, make visible ray normal through optical filter I6 and under thick fog or haze weather condition, make the optical filter II7 that visible ray ends, near infrared light passes through; The upper end of described optical filter frame 8 is provided with guide pillar 11 and the guide pin bushing 13 being movably arranged on guide pillar 11, can moving left and right, described optical filter frame 8 is fixedly connected with guide pin bushing 13, the two ends of described guide pillar 11 are provided with support 12, described support 12 is provided with trigger switch 10, the inner side of described support 12 is provided with shell fragment 9, and described shell fragment 9 is connected with trigger switch 10; The lower end of described optical filter frame 8 is provided with motor 2, the output terminal of described motor 2 is provided with screw mandrel 3 and screws the nut 4 on screw mandrel 3, described optical filter frame 8 is fixedly connected with screw 4 by shift fork 5, when motor 2 works, described screw mandrel 3 can drive nut 4 to move left and right on screw mandrel 3, thus drives optical filter frame 8 to move left and right by shift fork 5; Described screw mandrel 3 be arranged in parallel with guide pillar 11, and described trigger switch 10, motor 2 are fixedly connected on framework 1, and described trigger switch 10 is connected with motor 2 wire.
Described optical filter I6 is the optical filter that sheet glass is made, under good weather condition, be arranged in optical beam path, make visible ray normal through; Described optical filter II7 is coated with the sheet glass optical filter that near infrared band leads to rete on the surface, and under thick fog or haze weather condition, be arranged in optical beam path, visible ray is ended, and near infrared light passes through.
Described contact 9 is elastic contact blade.
Described trigger switch 10 is mini trigger switch.
The other end of described screw mandrel 11 is provided with fixed head 14.One end of leading screw 11 and the inner hole of fixed head 14, the rectilinearity of leading screw 11 when ensureing that motor 2 moves.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the miniature throw-over gear realizing Penetrating Fog and observe, comprise optical filter frame, described optical filter frame be provided with under good weather condition, make visible ray normal through optical filter I and under thick fog or haze weather condition, make the optical filter II that visible ray ends, near infrared light passes through; It is characterized in that: the guide pin bushing that the upper end of described optical filter frame is provided with guide pillar and is movably arranged on guide pillar, can moves left and right, described optical filter frame is fixedly connected with guide pin bushing, the two ends of described guide pillar are provided with support, described support is provided with trigger switch, the inner side of described support is provided with shell fragment, and described shell fragment is connected with trigger switch; The lower end of described optical filter frame is provided with motor, the output terminal of described motor is provided with screw mandrel and screws the nut on screw mandrel, described optical filter frame is fixedly connected with screw by shift fork, when machine operation, described screw mandrel can drive nut to move left and right on screw mandrel, thus drives optical filter frame to move left and right by shift fork; Described screw mandrel and guide pillar be arranged in parallel, and described trigger switch, motor are fixedly connected on framework, and described trigger switch is connected with motor wire.
2. the miniature throw-over gear realizing Penetrating Fog and observe according to claim 1, is characterized in that: described optical filter I is the optical filter that sheet glass is made, and described optical filter II is coated with the sheet glass optical filter that near infrared band leads to rete on the surface.
3. the miniature throw-over gear realizing Penetrating Fog and observe according to claim 1 and 2, is characterized in that: described contact is elastic contact blade.
4. the miniature throw-over gear realizing Penetrating Fog and observe according to claim 3, is characterized in that: described trigger switch is mini trigger switch.
5. the miniature throw-over gear realizing Penetrating Fog and observe according to claim 4, is characterized in that: the other end of described screw mandrel is provided with fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454972.8A CN105445882A (en) | 2014-09-10 | 2014-09-10 | Miniature switching mechanism for realized fog-penetrating observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454972.8A CN105445882A (en) | 2014-09-10 | 2014-09-10 | Miniature switching mechanism for realized fog-penetrating observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105445882A true CN105445882A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410454972.8A Pending CN105445882A (en) | 2014-09-10 | 2014-09-10 | Miniature switching mechanism for realized fog-penetrating observation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1020177A (en) * | 1996-06-28 | 1998-01-23 | Canon Inc | Lens driving device, lens barrel and optical equipment |
| CN201063717Y (en) * | 2007-07-16 | 2008-05-21 | 何凎 | Mist-penetrating camera |
| JP2009139508A (en) * | 2007-12-04 | 2009-06-25 | Ricoh Co Ltd | Lens barrel and camera |
| CN201429760Y (en) * | 2009-06-12 | 2010-03-24 | 深圳市卡美特电子技术有限公司 | Light filter switching device for imaging sensor |
| CN101860677A (en) * | 2010-06-04 | 2010-10-13 | 西安天和防务技术股份有限公司 | Fog-penetrating and night-vision system based on refrigeration type CCD element |
| CN202083870U (en) * | 2011-05-30 | 2011-12-21 | 深圳市东视电子有限公司 | Optical filter switching mechanism and image pick-up device |
-
2014
- 2014-09-10 CN CN201410454972.8A patent/CN105445882A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1020177A (en) * | 1996-06-28 | 1998-01-23 | Canon Inc | Lens driving device, lens barrel and optical equipment |
| CN201063717Y (en) * | 2007-07-16 | 2008-05-21 | 何凎 | Mist-penetrating camera |
| JP2009139508A (en) * | 2007-12-04 | 2009-06-25 | Ricoh Co Ltd | Lens barrel and camera |
| CN201429760Y (en) * | 2009-06-12 | 2010-03-24 | 深圳市卡美特电子技术有限公司 | Light filter switching device for imaging sensor |
| CN101860677A (en) * | 2010-06-04 | 2010-10-13 | 西安天和防务技术股份有限公司 | Fog-penetrating and night-vision system based on refrigeration type CCD element |
| CN202083870U (en) * | 2011-05-30 | 2011-12-21 | 深圳市东视电子有限公司 | Optical filter switching mechanism and image pick-up device |
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Application publication date: 20160330 |