CN202748581U - Shutter driving device for camera module - Google Patents
Shutter driving device for camera module Download PDFInfo
- Publication number
- CN202748581U CN202748581U CN201220466117.5U CN201220466117U CN202748581U CN 202748581 U CN202748581 U CN 202748581U CN 201220466117 U CN201220466117 U CN 201220466117U CN 202748581 U CN202748581 U CN 202748581U
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- blade
- fixed
- drive device
- electromagnet
- permanent magnet
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Abstract
The utility model relates to a shutter driving device for a camera module. The shutter driving device comprises a frame, shutter blades, permanent magnets, springs, two linear sliding type guide structures, electromagnets, and a light transmission zone. Specifically, the shutter blades are arranged on the linear sliding type guide structures and can be slided on the guide structures; the electromagnets are fixed at the middle portions of the linear sliding type guide structures; and the permanent magnets are fixed on the shutter blades. Currents of different directions are applied on the electromagnets and thus attracted or repelling acting forces are generated by the electromagnets and the permanent magnets; the shutter blades are driven to make sliding movements to realize the opening and closing of the shutter blades, thereby realizing the opening and closing of the light path. According to the utility model, the electromagnets are used for driving and the shutter blades make linear sliding movements by the guide structures, so that the size of the shutter driving device is reduced and the shutter stability is improved and thus the miniaturization of electronic imaging equipment can be ensued.
Description
Technical field
The utility model relates to a kind of blade drive device, relates in particular to a kind of blade drive device for camera model.
Background technology
In recent years, the size of camera model is dwindled along with technical development, yet the blade drive device size is still restricting the size of camera model, and is particularly outstanding in infrared industry.The tradition blade drive device adopts driven by motor blade rotary or solenoid-driven blade movement to realize opening and closure of shutter.
Fig. 1 is the rotary blade drive device structure skeleton view that tradition is used for camera model, and as shown in the figure, this device comprises motor 1, single handle blade 2, image planes unit 3 and support 4.Motor 1 is fixed on the support 4, and single handle blade 2 is fixed on the axle of motor 1, and single handle blade 2 rotates under the drive of motor 1, blocks image planes unit 3, thereby realizes closing of light path.In like manner motor 1 reverse rotation drives single handle blade 2 and leaves image planes unit 3, realizes opening of light path.
Fig. 2 is the slidingtype blade drive device structure skeleton view that tradition is used for camera model, and as shown in the figure, this device comprises housing 5, solenoid valve 8, the first blade 9 and the second blade 10, aperture 11, chute 12.Be provided with the first blade 9 in the described housing 5 and the second blade 10 is fixed on the housing 5, can slide along the direction of arrow.Solenoid valve 8 comprises solenoid valve body 6 and solenoid valve rocking handle 7, and solenoid valve rocking handle 7 ends and the first blade 9 link to each other with chute 12 on the second blade 10, and can slide within it.After solenoid valve 8 energisings, solenoid valve rocking handle 7 rotates under magnetic fields, drives the first blade 9 and 10 slips of the second blade by chute 12 simultaneously, thereby realizes the light path open and close of aperture 11.
All there are some shortcomings in above-mentioned traditional blade drive device, the shortcoming of rotary blade drive device shown in Figure 1 is that blade must transfer at the driving backspin of motor the open and close that realizes the aperture light path, the miniaturization development of camera model that the volume of motor and blade have screwed out rear shared space constraint; The shortcoming of Fig. 2 slidingtype blade drive device be rocking handle must long enough to satisfy the stroke demand of blade; after rocking handle lengthens; the arm of force strengthens; cause solenoid-driven power to increase; can only select larger solenoid valve; finally cause increased power, volume also can hurriedly increase, be unfavorable for low-power consumption, the miniaturization development of camera model.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of camera model blade drive device that is beneficial to camera model low-power consumption, miniaturization.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of blade drive device for camera model, comprise framework, two blades, two or four permanent magnet, two or four spring, two rectilinearly-moved slide type guide frames, one or two electromagnet, transparent zone
Described framework is a rectangular box-like structure, two fixed orifices are respectively arranged on two opposite, described two blades are symmetrically distributed in the described framework, the two ends of described blade respectively are provided with a through hole, described through hole is aimed at the fixed orifice on the framework, at least one rectilinearly-moved slide type guide frame middle part is fixed with an electromagnet, the through hole that is fixed with the blade that the rectilinearly-moved slide type guide frame of electromagnet will pass is fixed with a permanent magnet, be fixed with a spring on the described permanent magnet, spring is passed at the described two ends that are fixed with the rectilinearly-moved slide type guide frame of electromagnet, permanent magnet, the through hole of blade is fixed in the fixed orifice of described framework, the through hole that blade is directly passed at the two ends that are not fixed with the rectilinearly-moved slide type guide frame of electromagnet is fixed in the fixed orifice of described framework, and described transparent zone is positioned at the center of described framework.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described blade be the T-shape structure or laterally " in " the word structure.
Further, described blade is the T-shape structure, is fixed on the permanent magnet of its through hole between two blades; Described blade be laterally " in " the word structure, be fixed on the permanent magnet of its through hole outside two blades.
Further, described blade comprises two blade cantilevers at blade body and its two ends, and described through hole is arranged on the blade cantilever.
Further, when the blade body of described blade merges, just transparent zone is covered.
Further, described rectilinearly-moved slide type guide frame adopts guide pole or slide rail.
Further, described blade can slide along the rectilinearly-moved slide type guide frame.
The beneficial effects of the utility model are: a kind of blade drive device for camera model described in the utility model, utilize the interaction of electromagnet and permanent magnet, and realize the linear drives of shutter device.Electromagnet is between permanent magnet, change electromagnet current and can realize the gravitation of electromagnet and two block permanent magnets and the conversion of repulsion, the permanent magnet of electromagnet both sides drives respectively two blades, has finally shortened the blade stroke, has reduced the blade drive device size; On the other hand, the utility model adopts spring to realize resetting, and keeps function, greatly reduces power consumption.
Description of drawings
Fig. 1 is the rotary blade drive device structure skeleton view that tradition is used for camera model;
Fig. 2 is the slidingtype blade drive device structure skeleton view that tradition is used for camera model;
Fig. 3 is a kind of blade drive device structure skeleton view for camera model described in the embodiment one;
Fig. 4 is a kind of blade drive device structure explosive view for camera model described in the embodiment one;
Fig. 5 is a kind of blade drive device open mode structure vertical view for camera model described in the embodiment one;
Fig. 6 is a kind of blade drive device closed condition structure vertical view for camera model described in the embodiment one;
Fig. 7 is the structure skeleton view of a kind of blade drive device shutter open mode for camera model described in the embodiment two;
Fig. 8 is the structure skeleton view of a kind of blade drive device shutter closure state for camera model described in the embodiment two.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, motor, 2, single handle blade, 3, the image planes unit, 4, support, 5, housing, 6, solenoid valve body, 7, solenoid valve rocking handle, 8, solenoid valve, the 9, first blade 10, the second blade 11, aperture 12, chute, 13, framework, 14, permanent magnet, 15, spring, 16, electromagnet, 17, the T-shape blade, 18, guide pole, 19, transparent zone, 20, laterally " in " the font blade.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
Embodiment one:
Such as Fig. 3, shown in Figure 4, a kind of blade drive device for camera model described in the utility model, comprise framework 13, two T-shape blades 17, four permanent magnets 14, four springs 15, two guide poles 18, two electromagnet 16, transparent zone 19, described framework 13 is a rectangular box-like structure, two fixed orifices are respectively arranged on two opposite, described T-shape blade 17 is to comprise laterally " T " cap and vertically the T-shape structure of " T " body, described two T-shape blades 17 are symmetrically distributed in 13 of the described frames, respectively there is a through hole at two ends at horizontal " T " cap of each T-shape blade 17, described through hole is aimed at the fixed orifice on the framework 13, longitudinally " T " body direction respectively is fixed with the permanent magnet 14 of a hollow cylindrical in each through hole, be fixed with a spring 15 on described each permanent magnet, described each guide pole 18 middle part are fixed with the electromagnet 16 of a hollow cylindrical, spring 15 is passed at described each guide pole 18 two ends successively, permanent magnet 14, through hole on " T " cap of T-shape blade 17, be fixed in the fixed orifice of described framework 13, described transparent zone is positioned at the center of described framework.
Figure 5 shows that blade drive device is in the state that shutter is opened described in the embodiment one, this moment, spring 15 was in compressive state, this moment, electromagnet 16 was not switched on, do not produce magnetic field, magnetic field force between permanent magnet 14 and the electromagnet 16 is not enough to overcome spring force, so T-shape blade 17 keeps original position under spring 15 effects, so that shutter device stays open state; When shutter device needs closure, electromagnet 16 is applied forward current make magnetic field shown in its generation figure, this moment, electromagnet 16 attracted each other with the magnetic field that permanent magnet 14 produces, produce magnetic field gravitation, overcome the elastic force of spring, so that T-shape blade 17 is pressed the motion of direction shown in the arrow among the figure, final shutter device is fully closed, block transparent zone 19, realize closing of light path.
Figure 6 shows that blade drive device described in the embodiment one is in the state of shutter closure, T-shape blade 17 keeps static under the magnetic field force effect at this moment, when the needs shutter is opened, electromagnet 16 is applied inverse current, make magnetic field shown in its generation figure, this moment, electromagnet 16 repelled mutually with the magnetic field that permanent magnet 14 produces, the magnetic field repulsive force that produces and the elastic force acting in conjunction of spring 15, so that T-shape blade 17 moves by direction shown in the arrow among the figure, and finally under spring-force driven dual, stay open state, realize opening of light path.
Wherein, all be fixed with electromagnet on two guide poles among the embodiment one, the through hole of T-shape blade is equipped with permanent magnet and spring.Be fixed with permanent magnet when only having on the guide pole, its corresponding through hole just is provided with the situation of permanent magnet and spring also within protection domain.
Embodiment two:
Shown in Figure 7, the blade drive device that is used for camera model described in the embodiment two comprises framework 13, two laterally " in " word blade 17, two permanent magnets 14, two springs 15, two guide poles 18, an electromagnet 16, transparent zone 19, described framework 13 is a rectangular box-like structure, two fixed orifices are respectively arranged on two opposite, described laterally " in " word blade 17 comprises two cantilevers at blade body and its two ends, described two laterally " in " word blade 17 is symmetrically distributed in 13 of the described frames, each laterally " in " through hole is respectively arranged on the cantilever of word blade 17, described through hole is aimed at the fixed orifice on the framework 13, guide pole directly pass laterally " in " be fixed in the fixed orifice of framework 13 behind the through hole of font blade, another guide pole 18 middle parts are fixed with the electromagnet 16 of a hollow cylindrical, these guide pole 18 two ends pass successively laterally " in " through hole of font blade 17, permanent magnet 14, spring 15, be fixed in the fixed orifice of described framework 13, wherein, permanent magnet 14 is fixed on the through hole on the blade, one end of spring 15 is fixed on the permanent magnet 14, the other end is fixed on the framework 13, and permanent magnet 14 is arranged in outside two horizontal " " font blades 17,, described transparent zone 19 is positioned at the center of described framework.
Fig. 7 is that blade drive device is in the state that shutter is opened described in the embodiment two, this moment, spring 15 was in extended state, this moment, electromagnet 16 was not switched on, do not produce magnetic field, magnetic field force between permanent magnet 14 and the electromagnet 16 is not enough to overcome the pulling force of spring, so laterally " in " word blade 17 keeps original position under spring 15 effects, so that shutter device stays open state; When shutter device needs closure, electromagnet 16 is applied forward current makes it produce magnetic field, this moment, electromagnet 16 attracted each other with the magnetic field that permanent magnet 14 produces, produce magnetic field gravitation, overcome the pulling force of spring, so that laterally " in " word blade 17 is to intermediary movements, final shutter device is fully closed, block transparent zone 19, realize closing of light path.
Figure 8 shows that blade drive device described in the embodiment two is in the state of shutter closure, this moment laterally " in " word blade 17 keeps static under the magnetic field force effect, when the needs shutter is opened, electromagnet 16 is applied inverse current, this moment, electromagnet 16 repelled mutually with the magnetic field that permanent magnet 14 produces, the magnetic field repulsive force that produces and the pulling force acting in conjunction of spring 15, so that laterally " in " 17 liang of opposite directions of word blade move, and finally under spring-force driven dual, stay open state, realize opening of light path.
What rectilinearly-moved slide type guide frame among above-described embodiment one and the embodiment two adopted is guide pole 18, and except guide pole, other have the structure of similar functions also within protection domain such as slide rail etc.
A kind of blade drive device for camera model described in the utility model utilizes the interaction of electromagnet and permanent magnet, realizes the linear drives of shutter device.Electromagnet is between permanent magnet, change electromagnet current and can realize the gravitation of electromagnet and two block permanent magnets and the conversion of repulsion, the permanent magnet of electromagnet both sides drives respectively two blades, has finally shortened the blade stroke, has reduced the blade drive device size; On the other hand, the utility model adopts spring to realize resetting, and keeps function, greatly reduces power consumption.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a blade drive device that is used for camera model is characterized in that, comprises framework, two blades, two or four permanent magnet, two or four spring, two rectilinearly-moved slide type guide frames, one or two electromagnet, transparent zone,
Described framework is a rectangular box-like structure, two fixed orifices are respectively arranged on two opposite, described two blades are symmetrically distributed in the described framework, the two ends of described blade respectively are provided with a through hole, described through hole is aimed at the fixed orifice on the framework, at least one rectilinearly-moved slide type guide frame middle part is fixed with an electromagnet, the through hole that is fixed with the blade that the rectilinearly-moved slide type guide frame of electromagnet will pass is fixed with a permanent magnet, be fixed with a spring on the described permanent magnet, spring is passed at the described two ends that are fixed with the rectilinearly-moved slide type guide frame of electromagnet, permanent magnet, the through hole of blade is fixed in the fixed orifice of described framework, the through hole that blade is directly passed at the two ends that are not fixed with the rectilinearly-moved slide type guide frame of electromagnet is fixed in the fixed orifice of described framework, and described transparent zone is positioned at the center of described framework.
2. described a kind of blade drive device for camera model according to claim 1 is characterized in that, described blade be the T-shape structure or laterally " in " the word structure.
3. described a kind of blade drive device for camera model according to claim 2 is characterized in that, described blade is the T-shape structure, is fixed on the permanent magnet of its through hole between two blades; Described blade be laterally " in " the word structure, be fixed on the permanent magnet of its through hole outside two blades.
4. described a kind of blade drive device for camera model according to claim 1 is characterized in that, described blade comprises two blade cantilevers at blade body and its two ends, and described through hole is arranged on the blade cantilever.
5. described a kind of blade drive device for camera model according to claim 2 is characterized in that, when the blade body of described blade merges, just transparent zone is covered.
6. described a kind of blade drive device for camera model according to claim 1 is characterized in that, described rectilinearly-moved slide type guide frame adopts guide pole or slide rail.
7. described a kind of blade drive device for camera model according to claim 1 is characterized in that, described blade can slide along the rectilinearly-moved slide type guide frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220466117.5U CN202748581U (en) | 2012-09-13 | 2012-09-13 | Shutter driving device for camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220466117.5U CN202748581U (en) | 2012-09-13 | 2012-09-13 | Shutter driving device for camera module |
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| Publication Number | Publication Date |
|---|---|
| CN202748581U true CN202748581U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220466117.5U Expired - Lifetime CN202748581U (en) | 2012-09-13 | 2012-09-13 | Shutter driving device for camera module |
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| CN (1) | CN202748581U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866560A (en) * | 2012-09-13 | 2013-01-09 | 烟台睿创微纳技术有限公司 | Shutter driving device for camera module |
| CN105207524A (en) * | 2015-11-02 | 2015-12-30 | 张文明 | Semi-active frequency modulation vibration energy capturer |
| CN109916514A (en) * | 2019-03-19 | 2019-06-21 | 谱诉光电科技（苏州）有限公司 | A kind of photon injection type Dim light measurement method and device |
| CN112335225A (en) * | 2019-11-22 | 2021-02-05 | 深圳市大疆创新科技有限公司 | Shutter and imaging device |
| DE102020110977B3 (en) * | 2020-04-22 | 2021-06-10 | Jenoptik Optical Systems Gmbh | Camera shutter device with permanent magnets |
| DE102020121173A1 (en) | 2020-08-12 | 2022-02-17 | Jenoptik Optical Systems Gmbh | Camera shutter device with a two-sided lever |
-
2012
- 2012-09-13 CN CN201220466117.5U patent/CN202748581U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866560A (en) * | 2012-09-13 | 2013-01-09 | 烟台睿创微纳技术有限公司 | Shutter driving device for camera module |
| CN105207524A (en) * | 2015-11-02 | 2015-12-30 | 张文明 | Semi-active frequency modulation vibration energy capturer |
| CN105207524B (en) * | 2015-11-02 | 2017-11-28 | 张文明 | Half active frequency modulation vibrational energy catcher |
| CN109916514A (en) * | 2019-03-19 | 2019-06-21 | 谱诉光电科技（苏州）有限公司 | A kind of photon injection type Dim light measurement method and device |
| CN112335225A (en) * | 2019-11-22 | 2021-02-05 | 深圳市大疆创新科技有限公司 | Shutter and imaging device |
| CN112335225B (en) * | 2019-11-22 | 2022-04-08 | 深圳市大疆创新科技有限公司 | Shutter and imaging device |
| DE102020110977B3 (en) * | 2020-04-22 | 2021-06-10 | Jenoptik Optical Systems Gmbh | Camera shutter device with permanent magnets |
| WO2021213586A1 (en) | 2020-04-22 | 2021-10-28 | Jenoptik Optical Systems Gmbh | Camera shutter device with permanent magnets |
| US12044958B2 (en) | 2020-04-22 | 2024-07-23 | Jenoptik Optical Systems Gmbh | Camera shutter device with permanent magnets |
| DE102020121173A1 (en) | 2020-08-12 | 2022-02-17 | Jenoptik Optical Systems Gmbh | Camera shutter device with a two-sided lever |
| WO2022033632A1 (en) | 2020-08-12 | 2022-02-17 | Jenoptik Optical Systems Gmbh | Camera shutter device having a two-armed lever |
| DE102020121173B4 (en) | 2020-08-12 | 2024-06-27 | Jenoptik Optical Systems Gmbh | Camera shutter device with a two-sided lever |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yantai Airui Photo-Electric Technology Co.,Ltd. Assignor: YANTAI RAYTRON TECHNOLOGY Co.,Ltd. Contract record no.: 2014370000158 Denomination of utility model: Shutter driving device for camera module Granted publication date: 20130220 License type: Exclusive License Record date: 20141104 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 264006 Yantai economic and Technological Development Zone, Guiyang, No. 11 main street, Shandong Patentee after: YANTAI RAYTRON TECHNOLOGY Co.,Ltd. Address before: 264006 Yantai economic and Technological Development Zone, Guiyang, No. 11 main street, Shandong Patentee before: YANTAI RAYTRON TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |