CN202794804U - Filter switching device - Google Patents
Filter switching device Download PDFInfo
- Publication number
- CN202794804U CN202794804U CN201220355874.5U CN201220355874U CN202794804U CN 202794804 U CN202794804 U CN 202794804U CN 201220355874 U CN201220355874 U CN 201220355874U CN 202794804 U CN202794804 U CN 202794804U
- Authority
- CN
- China
- Prior art keywords
- hole
- filter
- switching device
- optical filter
- working position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a filter switching device. The filter switching device comprises a position switching box, a swing unit and a worm drive unit. The position switching box is provided with a through hole which allows the penetration of light. The swing unit arranged inside the position switching box comprises a filter support which can swing leftwards and rightwards between a first position and a second position, as well as a first filter and a second filter which are arranged on the filter support in a left-right adjacent manner. When the filter support is positioned at the first position, the first filter overlaps with the through hole; when the filter support is positioned at the second position, the second filter overlaps with the through hole. The swing unit also comprises a guide member for guiding the swinging of the swing unit. A plurality of transmission teeth are arranged on the swing unit. The worm drive unit of the filter switching device is used for enabling the swing unit to produce swing. The worm drive unit includes a worm used for engagement with the plurality of transmission teeth, and a motor connected with the worm. With the filter switching device adopted, the positions of the filters in the filter switching device can be stably maintained.
Description
Technical field
The utility model relates to the annex of digital photography, video camera, relates in particular to the switching device of optical fiber that a kind of digitized video device for shooting is used.The digitized video device for shooting of using this switching device of optical fiber has optical camera lens, can both clearly take the demand of object for satisfying day and night, usually will install switching device of optical fiber additional before shooting or photographic lens.Switching device of optical fiber is used for the photograph light path that control has the optical filter insertion of different filtering functions or withdraws from device for shooting.
Background technology
Most of digitized video device for shooting all needs to satisfy the requirement of round-the-clock twenty four hours running, is typically the most outdoor monitor.But because light significant difference on the parameters such as brightness, colour temperature at daytime and night, usually in the daytime or can use two groups of different optical filters of function night.By day, light is stronger, easily so that the light amount that phtographic lens picks up is too high, cause the image of shooting excessively bright, unclear, the optical filter that uses this moment should be the energy that can remove the light that naked eyes can't see, and such as ultraviolet ray, infrared ray etc. makes more suitable light and the image of phtographic lens acquisition.But at night, light ray energy is just not enough originally, and the optical filter that uses this moment then should not have the function of isolation invisible light, must increase the penetrability of light on the contrary, or has the effect of eliminating ghost.Therefore, device for shooting, the especially monitor etc. of the running of round-the-clock twenty four hours, its employed switching device of optical fiber all is equipped with two tablet filters, one daytime usefulness, it mainly has the IR-cut effect; Another sheet usefulness in evening generally is that all-wave is logical, and two tablet filters are provided in the unit that can change the working position, and Switch of working position case for example is in order to can automatically switch by day with under the environment of night or light darkness, to satisfy photographing request.
Notification number is that the utility model patent of CN201780444U discloses a kind of switching device of optical fiber that name is called " switching device of optical fiber and electromagnetic drive unit thereof ", and it mainly is made of Switch of working position case, swing unit and electromagnetic drive unit.Under electromagnetic drive unit drove, when swing unit moved to primary importance or the second place, the first optical filter on the swing unit or the second optical filter can be distinguished simultaneously overlapping with upper through hole and the lower through-hole of Switch of working position case.The electromagnetic drive unit of this switching device of optical fiber comprises that circuit board, circuit board holder, the actuator with mandrel and eccentric drive shaft, magnetic, outside are provided with on the coil of ferromagnetic outer tube and the periphery wall and is embedded with ferromagnetic coil holder.The eccentric drive shaft of this actuator is inserted in the kidney-shaped hole slot of swing unit, and therefore, this switching device of optical fiber can utilize the relative motion of eccentric drive shaft in the kidney-shaped hole slot to drive filter supporter and produce oscillating motion.
Yet, there is following defective in this switching device of optical fiber: at first, owing to have the space between the kidney-shaped hole slot of swing unit and the eccentric drive shaft, when being used on this switching device of optical fiber from external influence masterpieces such as the impulsive contact force outside this switching device of optical fiber or percussion powers, the position of swing unit in this switching device of optical fiber can change, can't be fully overlapping with upper through hole and the lower through-hole of Switch of working position case respectively so that be in the optical filter of working position, cause this optical filter to depart from the working position, cause the reduction of device for shooting shooting effect.Secondly, this switching device of optical fiber adopts electromagnetic drive unit to drive swing unit, realizing two kinds of switchings with optical filter of different filtering functions, but because the electromagnetic drive unit cost is higher, so that the price of this switching device of optical fiber is also corresponding higher.
Summary of the invention
Fundamental purpose of the present utility model provides a kind of optical filter that is in the working position that can make can be by scleronomic constraint and the more simple switching device of optical fiber of structure;
Another purpose of the present utility model provides and a kind ofly can prevent effectively that swing unit is positioned at and occur lockedly when swinging extreme position that motor can't drive the switching device of optical fiber of switching.
For realizing above-mentioned fundamental purpose, the switching device of optical fiber that the utility model provides comprises Switch of working position case, swing unit and worm drive unit.The Switch of working position case has the through hole for light penetration.Swing unit is arranged in the Switch of working position case, this swing unit comprise can the filter supporter that swings between primary importance and the second place and about be adjacent to be arranged on the first optical filter and the second optical filter on the filter supporter.When filter supporter was positioned at primary importance, the first optical filter and through hole were overlapping; When filter supporter was positioned at the second place, the second optical filter and through hole were overlapping.Swing unit is a partial gear, also has a worm drive unit, and this worm drive unit comprises the worm screw with the partial gear engagement, and the motor that is connected with worm screw.
By above scheme as seen, when under the driving of worm screw at motor during rotating, swing unit will swing.Therefore, adopt the mode of worm drive partial gear that swing unit is swung between primary importance and the second place, compared with prior art, can obtain larger ratio of gear and occupy less space.And, have good self-locking performance, even there is the external influence masterpiece to be used on the switching device of optical fiber, also can make the position of optical filter in the Switch of working position case obtain firm maintenance.
Further scheme is to be provided with an axle in the Switch of working position case, and the axis hole of partial gear cooperates with this shaft clearance.
For realizing another purpose of the present utility model, another further scheme is, be provided with elastic component in the Switch of working position case, when partial gear is rocked to primary importance or the second place, the restoring force of elastic component acts on partial gear, this restoring force forces the partial gear backswing, and partial gear and worm screw break away from engagement.By this scheme as seen, when swing unit is rocked to two extreme positions, mesh because partial gear and worm screw break away from, it is locked can not produce the inertia that high-speed electric expreess locomotive causes when primary importance or the second place, when greatly reducing backswing to the starting power requirement of motor; Out-of-gear state is then eliminated by the restoring force that elastic component produces, and is beneficial to the startup of backswing.
Further scheme is, the Switch of working position case is comprised of the loam cake that is provided with upper through hole and the base that is provided with lower through-hole, upper through hole and lower through-hole are circle and are overlapped on light path, loam cake by the elasticity draw-in groove on the bottom surface of its lateral wall and the pilot hole on the inside surface respectively with the lateral wall of base on buckle and cooperating of the reference column on the inside surface realize being fastened and connected.This shows that not only the loam cake of Switch of working position case and lower cover can be assembled together at an easy rate, and guaranteed aiming at of upper through hole and lower through-hole.
Further scheme is, filter supporter is provided with two mounting grooves that are used for laying the first optical filter and the second optical filter, and each mounting groove is provided with a circular hole, in each mounting groove place positioned opposite a pair of flexible fastening piece is arranged.Therefore, adopt the flexible fastening piece to fix the first optical filter and the second optical filter that is placed in two mounting grooves, for the first optical filter and the second optical filter, not only can be dismantled easily, and be positioned in the mounting groove securely.
For realizing fundamental purpose of the present utility model, another switching device of optical fiber also is provided, comprise Switch of working position case, swing unit and worm drive unit.The Switch of working position case has the through hole for light penetration.Swing unit is arranged in the Switch of working position case, this swing unit comprise can the filter supporter that swings between primary importance and the second place and about be adjacent to be arranged on the first optical filter and the second optical filter on the filter supporter.When filter supporter was positioned at primary importance, the first optical filter and through hole were overlapping; When filter supporter was positioned at the second place, the second optical filter and through hole were overlapping.Swing unit comprises a tooth bar, also has a worm drive unit, and this worm drive unit comprises the worm screw with the tooth bar engagement, and the motor that is connected with worm screw.
Further scheme is to be provided with a chute in the Switch of working position case, and swing unit slides into primary importance or the second place along chute.
For realizing another purpose of the present utility model, further scheme is to be provided with elastic component in the Switch of working position case, and when tooth bar was in primary importance or the second place, the restoring force of elastic component acted on tooth bar, and this restoring force forces the tooth bar backswing;
When described tooth bar was rocked to described primary importance or the described second place, described tooth bar and described worm screw broke away from engagement.
Further scheme is, the Switch of working position case is comprised of the loam cake that is provided with upper through hole and the base that is provided with lower through-hole, upper through hole and lower through-hole are circle and are overlapped on light path, loam cake by the elasticity draw-in groove on the bottom surface of its lateral wall and the pilot hole on the inside surface respectively with the lateral wall of base on buckle and cooperating of the reference column on the inside surface realize being fastened and connected.This shows that not only the loam cake of Switch of working position case and lower cover can be assembled together at an easy rate, and guaranteed aiming at of upper through hole and lower through-hole.
Further scheme is, filter supporter is provided with two mounting grooves that are used for laying the first optical filter and the second optical filter, and each mounting groove is provided with a circular hole, in each mounting groove place positioned opposite a pair of flexible fastening piece is arranged.Therefore, adopt the flexible fastening piece to fix the first optical filter and the second optical filter that is placed in two mounting grooves, for the first optical filter and the second optical filter, not only can be dismantled easily, and be positioned in the mounting groove securely.
Description of drawings
Fig. 1 is the stereographic map of the utility model the first embodiment;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of Fig. 1;
Fig. 3 is the stereographic map of loam cake among Fig. 1;
Fig. 4 is the stereographic map at another visual angle of loam cake shown in Figure 3;
Fig. 5 is the stereographic map of base among Fig. 1;
Fig. 6 is the stereographic map at another visual angle of base shown in Figure 5;
Fig. 7 is the front view of swing unit among Fig. 1;
Fig. 8 is the stereographic map that swing unit shown in Figure 7 has been dismantled the first filter and the second filter;
Fig. 9 is the stereographic map of worm drive unit among Fig. 1;
Figure 10 is the principle of work synoptic diagram of switching device of optical fiber shown in Figure 1 when night;
Figure 11 is that the utility model the second embodiment has omitted the structural representation behind the loam cake;
Figure 12 is the view when swing unit is put to primary importance among Figure 11;
Figure 13 is the view when swing unit is put to the second place among Figure 11;
Figure 14 is that the utility model the 3rd embodiment has omitted the structural representation behind the loam cake.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
The utility model switching device of optical fiber is only schematically described its constructional aspect, use the respective monitor of this switching device of optical fiber, other inscape of video camera for example, such as A/D converter (A/D converter), microprocessor (MPU microprocessor), internal memory, liquid crystal display (LCD liquid crystal display), removable memory (PC card) and interface device (computer interface, television interface) etc. partly belongs to the existing disclosed content of known technology document, do not repeat them here.
The first embodiment
Referring to Fig. 1 and Fig. 2, in the present embodiment, switching device of optical fiber 10 is made of following three parts, Switch of working position case 1, swing unit 2 and worm drive unit 3.
Switch of working position case 1 consists of by loam cake 11 with corresponding to the base 12 of loam cake 11, and loam cake 11 snaps together the box-shaped box body that consists of inner hollow mutually with base 12.Swing unit 2 and worm drive unit 3 all are arranged at Switch of working position case 1 inside.The task of driving swing unit 2 left and right sides reciprocally swingings is being born in worm drive unit 3, so that satisfied hereinafter described two optical filters are in respectively the demand of working position.
Referring to Fig. 3, the middle position of the outside surface 113 of loam cake 11 is provided with one for the bulge loop 111 that connects shooting or photographic lens assembly, and these bulge loop 111 inside have always to put on covers 11 upper through hole 112, and through hole 112 is rounded on this.
Referring to Fig. 4, loam cake 11 is provided with elasticity draw-in groove 115 with the interface of base 12, and the edge of the inside surface 114 of loam cake 11 is provided with pilot hole 116.Inside surface 114 also is provided with the accommodating storehouse 118 of the first motor that is respectively applied to accommodating motor and worm screw and the accommodating storehouse 117 of the first worm screw.
Referring to Fig. 5, base 12 is provided with one for holding the framework 1211 of image sensor (being that the electric charge lotus root is closed element CCD) at the middle position of outside surface 125, and this framework 1211 is square substantially, and its size is corresponding to image sensor.
Referring to Fig. 6, the inside surface 122 of base 12 is provided with a swing district 1210 that supplies swing unit to swing within it.The middle position of base 12 is provided with a lower through-hole 121 that runs through base 12, and this lower through-hole 121 is rounded, and on light path with the upper through hole coaxial line of loam cake.Be provided with an axle 1212 in swing district 1210.The edge of the inside surface 122 of base 12 is provided with reference column 124.The lateral wall of base 12 is provided with buckle 123, and buckle 123 and reference column 124 match with the elasticity draw-in groove of loam cake and pilot hole accordingly and realize fastening, and therefore, is fit to manually-operated, and is convenient and swift, need not the connection means such as screw, viscose glue.
On inside surface 122, hollowly be provided with the accommodating storehouse 127 of the second motor that is respectively applied to accommodating motor and worm screw and the accommodating storehouse 126 of the second worm screw, and, after base 12 and loam cake fastened, the accommodating storehouse 127 of the second motor and the accommodating storehouse 126 of the second worm screw were corresponding with the accommodating storehouse of the accommodating storehouse 118 of the first motor and the first worm screw 117 respectively.
On inside surface 122, also be provided with the wire hole 128 that the power lead for drive motor passes and be used for power lead is carried out spacing elasticity locating slot 129.
Referring to Fig. 7, swing unit 2 has a filter supporter 21, the first optical filter 22 that light transmission features there are differences and the second optical filter 23, the first optical filters 22 and the second optical filter 23 has been installed on it has been adjacent to arrange about on the swaying direction.In the present embodiment, the shape of the first optical filter 22 and the second optical filter 23 is square, its thinner thickness, and weight is also very light, so that the worm drive unit is easily with its drive.The first optical filter 22 is used in the daytime or the stronger division of day and night of light, and it can isolate some invisible lights that are invisible to the naked eye, such as infrared ray, ultraviolet ray etc.23 of the second optical filters are used for night or light weak the time.The bottom of filter supporter 21 is provided with an axis hole 24 corresponding to axle 1212.
Referring to Fig. 8, the top of filter supporter 21 is provided with the driving cog centered by axis hole 24, forms partial gear 25.
Also be provided with two on the filter supporter 21 and be used for laying the mounting groove 28 of the first optical filter and the second optical filter, and be provided with a circular hole 281 in each mounting groove 28.On a pair of wall of mounting groove 28, relatively be provided with a pair of flexible fastening piece 29, the distance of flexible fastening piece 29 bottom surfaces and mounting groove 28 end faces is less than the thickness of the first optical filter or the second optical filter, therefore, be installed in the first optical filter in the mounting groove 28 and the second optical filter under the resilient force of flexible fastening piece 29, can be positioned at securely in the mounting groove; And only need make flexible fastening piece 29 produce elastic deformation away from mounting groove in the direction of at right angle setting groove, can dismantle easily the first optical filter and the second optical filter.
Referring to Fig. 9, worm drive unit 3 is made of motor 31 and worm screw 32.The driving shaft of motor 31 is fixedly connected with worm screw 32.Motor 31 is either-rotation motor, therefore by the rotating of motor and the duration of rotating, can realize the driving (hereinafter will elaborate) of 32 pairs of partial gears of worm screw, thereby the swing of swing unit between primary importance and the second place switched.Because no matter in primary importance or in the second place, all keeping intermeshing state between worm screw 32 and the partial gear, and connecting motor 31, therefore has good self-locking performance, even switching device of optical fiber is subject to external force, these self-locking characteristics also are highly resistant to the interference of external force, guarantee that swing unit stably is in corresponding working position.
After base and loam cake fastened, motor 31 was fixed among the accommodating storehouse 118 of the first motor and the accommodating storehouse 127 of the second motor, and 32 of worm screws are housed inside the accommodating storehouse 117 of the first worm screw and among the accommodating storehouse 126 of the second worm screw.
During the switching device of optical fiber assembling, first motor and worm screw assembling, then be placed in to contraposition among the accommodating storehouse of the second motor and the accommodating storehouse of the second worm screw of base, again swing unit 2 is installed in the swing district of base, make axle pass axis hole, and make the second optical filter and lower through-hole overlapping, then, worm screw is meshed with partial gear.At last loam cake and base are fastened, can finish assembling.
Referring to Figure 10, comprise the first driving cog 251, the second driving cog 252 and a plurality of the 3rd driving cog 253 between the first driving cog 251, the second driving cog 252 in the partial gear 25.The number of teeth of partial gear 25 is like this designs, when the number of teeth should be able to guarantee corresponding to worm screw 32 respectively with the engagement of the first driving cog 251 or 252 engagement of the second driving cog, swing unit swings around axle and lays respectively at primary importance and the second place, and namely the second optical filter and the first optical filter are in respectively the working position.
Figure 10 has reflected that filter supporter 21 is positioned at the state of the second place, and at this moment, the second optical filter 23 is overlapping with lower through-hole, and worm screw 32 and 251 engagements of the first driving cog.Under the driving of motor 31, worm screw 32 since the first driving cog 251 successively with the 3rd driving cog 253,252 engagements of the second driving cog, i.e. order engagement, thereby promoting partial gear 25 clockwises rotates, and then drive filter supporter 21 swings to the right as the axle center take axle 1212, until worm screw 32 and 252 engagements of the second driving cog, at this moment, filter supporter 21 is positioned at primary importance, so the first optical filter 22 is overlapping with lower through-hole, thereby makes the first optical filter 22 between upper through hole and lower through-hole, is in the working position, and then filter the invisible light be invisible to the naked eye, for example infrared ray, ultraviolet ray etc.In order to make filter supporter 21 again return the second place, motor reverse drive worm screw 32, worm screw 32 mesh i.e. backward engagement with the second driving cog 252, the 3rd driving cog 253 and the first driving cog 251 successively.Therefore, when quitting work under worm screw 32 and the engagement of the first driving cog 252, the control of motor 31 at circuit, the second optical filter 23 is overlapping with lower through-hole, can when night, make the second optical filter 23 between upper through hole and lower through-hole, be in the working position, to increase the penetrability of light, reach the effect of eliminating ghost.
The second embodiment
The structure of present embodiment and the first embodiment is basic identical, for say something clear for the purpose of, the first optical filter, the second optical filter have been omitted, with not existing together of the first embodiment only be the shape of swing unit 2, in addition, also two stage clip 41 and stage clips 42 as elastic component have been installed in that base 12 is interior, when regional between primary importance and the second place of swing unit, two stage clips all are in free extended configuration.
Referring to Figure 12, this example and the first embodiment another not exist together be the tooth layout of partial gear 25, when swing unit 2 is in the primary importance that Figure 12 shows, worm screw 32 breaks away from engagement with partial gear 25, stage clip 41 was subject to the compressing of swing unit 2 and produced restoring force this moment, and this restoring force forces swing unit 2 backswings, yet, under the out-of-work situation of motor, swing unit 2 is still in primary importance.When motor-driven swing unit 2 swings to the second place, partial gear 25 and worm screw 32 rapidly engagement under the effect of stage clip 41 restoring forces, and assist electric motor starting.
Referring to Figure 13, when swing unit 2 arrives the second place that Figure 13 show, worm screw and partial gear break away from engagement equally, stage clip 42 was subject to the compressing of swing unit 2 and produced restoring force this moment, this restoring force forces swing unit 2 backswings, yet under the out-of-work situation of motor, swing unit 2 is still in the second place.When motor-driven swing unit 2 swung to primary importance, partial gear and worm screw be rapidly engagement under the effect of stage clip 42 restoring forces, and assisted electric motor starting.
The 3rd embodiment
Referring to Figure 14, this example is basic identical with the second embodiment, difference only is alternative by a spring 43 as a pair of stage clip of elastic component, spring 43 1 ends are fixed in the Switch of working position case, the other end is fixed on the swing unit 2, when swing unit 2 was in the center position that Figure 14 shows, spring 43 was in free state; When swing unit 2 was in primary importance, spring 43 was in most compressed state; When swing unit 2 was in the second place, 43 on spring was in the maximum tension state.
Other embodiment
More than swing unit among each embodiment all be the swing of carrying out rotary type around an axle, obviously, swing unit also can be swinging of orthoscopic, namely substitutes partial gear with tooth bar, can realize the purpose of this utility model equally.
In addition, the elastic component among each embodiment can also be to have certain flexible rubber bodies, can also adopt in a second embodiment the elasticity tabs to substitute stage clip.
The utility model mainly is the improvement of carrying out for the more existing defectives of the disclosed technical scheme of CN201780444U utility model patent, some structure, associated method of uses with identical function are disclosed in the CN201780444U as prior art, in other words, the disclosed content of CN201780444U should be grasped by those skilled in the art.Technical conceive be not limited in above-described embodiment, can also obtain many different concrete schemes according to design of the present utility model, such as video camera, camera, the monitor for different model, those skilled in the art are the fully capable technical scheme that provides according to the utility model also, to the shape of Switch of working position case 1, bulge loop 111, through hole 112 and first and second optical filter, big or small change, to adapt to the user demand of above-mentioned different image pick-up devices.These minor alterations and equivalent transformation all should be included within the described scope of claim.
Claims (10)
1. switching device of optical fiber comprises:
Has the Switch of working position case for the through hole of light penetration;
Be arranged on the swing unit in the described Switch of working position case, described swing unit comprise can the filter supporter that swings between primary importance and the second place and about be adjacent to be arranged on the first optical filter and the second optical filter on the described filter supporter, when described filter supporter is positioned at described primary importance, described the first optical filter and described through hole are overlapping, when described filter supporter was positioned at the described second place, described the second optical filter and described through hole were overlapping;
It is characterized in that:
Described swing unit is a partial gear;
Worm drive unit, described worm drive unit comprise the worm screw with described partial gear engagement, and the motor that is connected with described worm screw.
2. switching device of optical fiber according to claim 1 is characterized in that:
Be provided with an axle in the described Switch of working position case, the axis hole of described partial gear cooperates with described shaft clearance.
3. switching device of optical fiber according to claim 1 is characterized in that:
Be provided with elastic component in the described Switch of working position case, when described partial gear was in described primary importance or the described second place, the restoring force of described elastic component acted on described partial gear, and described restoring force forces described partial gear backswing;
When described partial gear was rocked to described primary importance or the described second place, described partial gear and described worm screw broke away from engagement.
4. according to claim 1 to 3 each described switching device of optical fiber, it is characterized in that:
Described Switch of working position case is comprised of the loam cake that is provided with upper through hole and the base that is provided with lower through-hole, described upper through hole and lower through-hole are circle and are overlapped on light path, described loam cake by the elasticity draw-in groove on the bottom surface of its lateral wall and the pilot hole on the inside surface respectively with the lateral wall of described base on buckle and cooperating of the reference column on the inside surface realize being fastened and connected.
5. switching device of optical fiber according to claim 4 is characterized in that:
Described filter supporter is provided with two mounting grooves that are respectively applied to lay described the first optical filter and described the second optical filter, and each described mounting groove is provided with a circular hole; And at a pair of flexible fastening piece of described each mounting groove place positioned opposite.
6. switching device of optical fiber comprises:
Has the Switch of working position case for the through hole of light penetration;
Be arranged on the swing unit in the described Switch of working position case, described swing unit comprise can the filter supporter that swings between primary importance and the second place and about be adjacent to be arranged on the first optical filter and the second optical filter on the described filter supporter, when described filter supporter is positioned at described primary importance, described the first optical filter and described through hole are overlapping, when described filter supporter was positioned at the described second place, described the second optical filter and described through hole were overlapping;
It is characterized in that:
Described swing unit comprises a tooth bar;
Worm drive unit, described worm drive unit comprise the worm screw with described tooth bar engagement, and the motor that is connected with described worm screw.
7. switching device of optical fiber according to claim 6 is characterized in that:
Be provided with a chute in the described Switch of working position case, described swing unit slides into described primary importance or the described second place along described chute.
8. switching device of optical fiber according to claim 6 is characterized in that:
Be provided with elastic component in the described Switch of working position case, when described tooth bar was in described primary importance or the described second place, the restoring force of described elastic component acted on described tooth bar, and described restoring force forces described tooth bar backswing;
When described tooth bar was rocked to described primary importance or the described second place, described tooth bar and described worm screw broke away from engagement.
9. according to claim 6 to 8 each described switching device of optical fiber, it is characterized in that:
Described Switch of working position case is comprised of the loam cake that is provided with upper through hole and the base that is provided with lower through-hole, described upper through hole and lower through-hole are circle and are overlapped on light path, described loam cake by the elasticity draw-in groove on the bottom surface of its lateral wall and the pilot hole on the inside surface respectively with the lateral wall of described base on buckle and cooperating of the reference column on the inside surface realize being fastened and connected.
10. switching device of optical fiber according to claim 9 is characterized in that:
Described filter supporter is provided with two mounting grooves that are respectively applied to lay described the first optical filter and described the second optical filter, and each described mounting groove is provided with a circular hole; And at a pair of flexible fastening piece of described each mounting groove place positioned opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220355874.5U CN202794804U (en) | 2012-07-20 | 2012-07-20 | Filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220355874.5U CN202794804U (en) | 2012-07-20 | 2012-07-20 | Filter switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794804U true CN202794804U (en) | 2013-03-13 |
Family
ID=47822039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220355874.5U Expired - Fee Related CN202794804U (en) | 2012-07-20 | 2012-07-20 | Filter switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794804U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344331A (en) * | 2013-06-08 | 2013-10-09 | 杭州研特科技有限公司 | Colorimeter with optical filter replaced automatically |
| CN105635528A (en) * | 2014-10-29 | 2016-06-01 | 鸿富锦精密工业（深圳）有限公司 | Camera module group |
| CN105873385A (en) * | 2014-11-14 | 2016-08-17 | 宏达国际电子股份有限公司 | Rotary mechanism |
| CN106161918A (en) * | 2015-04-13 | 2016-11-23 | 浙江宇视科技有限公司 | The drive mechanism of a kind of video camera and video camera |
| CN108802949A (en) * | 2017-04-28 | 2018-11-13 | 宝视纳股份公司 | Holding meanss and its manufacturing method for housing optical element |
| CN114527616A (en) * | 2022-02-15 | 2022-05-24 | 杭州海康威视数字技术股份有限公司 | Camera system |
-
2012
- 2012-07-20 CN CN201220355874.5U patent/CN202794804U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344331A (en) * | 2013-06-08 | 2013-10-09 | 杭州研特科技有限公司 | Colorimeter with optical filter replaced automatically |
| CN105635528A (en) * | 2014-10-29 | 2016-06-01 | 鸿富锦精密工业（深圳）有限公司 | Camera module group |
| US9971938B2 (en) | 2014-10-29 | 2018-05-15 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Camera module |
| CN105873385A (en) * | 2014-11-14 | 2016-08-17 | 宏达国际电子股份有限公司 | Rotary mechanism |
| CN105873385B (en) * | 2014-11-14 | 2018-09-21 | 宏达国际电子股份有限公司 | Rotating mechanism |
| CN106161918A (en) * | 2015-04-13 | 2016-11-23 | 浙江宇视科技有限公司 | The drive mechanism of a kind of video camera and video camera |
| CN108802949A (en) * | 2017-04-28 | 2018-11-13 | 宝视纳股份公司 | Holding meanss and its manufacturing method for housing optical element |
| CN114527616A (en) * | 2022-02-15 | 2022-05-24 | 杭州海康威视数字技术股份有限公司 | Camera system |
| CN114527616B (en) * | 2022-02-15 | 2023-09-26 | 杭州海康威视数字技术股份有限公司 | Video camera system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202794804U (en) | Filter switching device | |
| CN208862945U (en) | A kind of camera structure and mobile terminal | |
| CN203587934U (en) | A semi-spherical camera | |
| CN102636858B (en) | Light filter switching mechanism | |
| CN101424863A (en) | Stereoscopic camera and parallax self-adapting regulating method thereof | |
| CN105615778A (en) | Sweeper with infrared camera shooting function | |
| CN201780444U (en) | Optical filter switching device and electromagnetic drive unit thereof | |
| CN202421694U (en) | Supplemental lighting device and camera | |
| JP2009188931A (en) | Compound-eye camera and photographing method | |
| CN103200367B (en) | A kind of video monitoring equipment and light compensating apparatus | |
| CN203811964U (en) | An electromagnetic drive optical filter switching device | |
| CN202285055U (en) | Switching mechanism of optical filters | |
| CN202394023U (en) | Automatic rear focus adjusting component and photographic device | |
| CN202837775U (en) | Double optical filter switching device | |
| CN202652370U (en) | Double-zoom infrared night vision dome camera | |
| CN204009185U (en) | A kind of novel filtering apparatus | |
| CN102540654B (en) | Projector and adjustment module | |
| CN203673205U (en) | Monitor optical filter switching device | |
| CN201594155U (en) | High-precision automatic focusing device | |
| CN203720514U (en) | Novel double-optical filter switcher | |
| CN211086899U (en) | Bidirectional projection device | |
| CN209356831U (en) | A kind of double optical-filter switchers of pendulum model day night scene | |
| CN202794798U (en) | Camera with lighting device | |
| US7918613B2 (en) | Switching mechanism for camera | |
| CN205015936U (en) | Multi -functional intelligent vehicle event data recorder suitable for car |
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: 20130313 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |