CN207677852U - A kind of EF with light measuring function turns C/CS camera lens electronic switching devices - Google Patents
A kind of EF with light measuring function turns C/CS camera lens electronic switching devices Download PDFInfo
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- CN207677852U CN207677852U CN201721875216.8U CN201721875216U CN207677852U CN 207677852 U CN207677852 U CN 207677852U CN 201721875216 U CN201721875216 U CN 201721875216U CN 207677852 U CN207677852 U CN 207677852U
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- camera lens
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- electronic switching
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- switching devices
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Abstract
The utility model discloses a kind of EF with light measuring function to turn C/CS camera lens electronic switching devices, its key points of the technical solution are that：A kind of EF with light measuring function turns C/CS camera lens electronic switching devices, it is characterized in that：Including adapter, the both sides of the adapter offer the first interface for connecting EF bayonet camera lenses and the second interface for connecting C/CS cameras, the first connection component for fixed transfer device and EF bayonet camera lenses is provided on the first interface, the second connection component for fixed transfer device and C/CS cameras is provided in the second interface, the electronic switching device further includes the automatic light control system for being useful for automatic adjustment aperture and the signal connection device for connecting C/CS cameras, better imaging resolution is obtained in lower cost, it can also increase Power focus function simultaneously, facilitate installation and debugging, obtain better image quality.Auto iris control function is provided.
Description
Technical field
The utility model is related to camera lens switching field, more particularly to a kind of EF with light measuring function turns C/CS camera lens electronics
Switching device.
Background technology
Industrial camera is commonly called as video camera again, compared to traditional civil camera（Video camera）For, it has high image
Stability, high-transmission ability and high anti-jamming capacity, it is reliable and stable, be easily installed, camera structure it is compact it is solid be hardly damaged, even
Continuous longevity of service can using industrial camera on the market be to be based on CCD mostly under relatively rugged environment（Charge Coupled
Device）Or CMOS（Complementary Metal Oxide Semiconductor）The camera of chip.And industrial camera mirror
The interface of head is that difference lies in camera lenses and video camera contact surface to camera lens focal plane with CS interfaces for C interface（Video camera CCD light inductances
The position for answering device that should locate）Distance it is different, the distance of C interface is 17.526mm, this distance of CS types interface is 12.5mm.Majority peace
It is CS mouthfuls that anti-camera, which uses, and industrial camera is based on C interface, and C mouth mirror heads add a washer that can be used on CS fuselages.
Civil camera is the concept of a Relative Fuzzy, tangible digital camera field, in addition to the specific boundary of slr camera
Fixed outer, remaining digital camera can be classified as household camera, and this kind of digital camera disclosure satisfy that the use demand of general family,
There are a variety of automation exposure modes such as automatic exposure, landscape, portrait, night scene.And the interface of civil camera camera lens be EF interfaces and
EF-S interfaces, both bayonets are slightly different, and EF camera lenses are silent frame camera lenses, it may also be said to be general camera lens, the camera lens of EF
It can be installed on the camera of EF-S bayonets, in actual production, industrial camera uses high picture mostly in practical engineering application
The c/cs camera lenses of element, this camera lens is logical since yield is small, of high cost, and does not have Power focus and electronic aperture function, and
Civil camera camera lens is big because of dosage, cost control is good and high resolution, and has Power focus, electronic aperture adjustment work(
It is the features such as energy, cheap, and practicability is stronger, function is more, and cost performance is significantly larger than c/cs camera lenses.
Utility model content
The purpose of this utility model is to provide a kind of EF with light measuring function and turns C/CS camera lens electronic switching devices, excellent
Point is to realize C interface or CS interfaces that the camera lens of civil camera EF interfaces is mounted on to industrial camera, to realize industrial camera
The camera lens that EF interfaces can be used, is provided simultaneously with Power focus, electronic aperture function.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind carrying light measuring function
EF turn C/CS camera lens electronic switching devices, it is characterized in that：Including adapter, the both sides of the adapter are offered for connecting
The first interface of EF bayonet camera lenses and the second interface for connecting C/CS cameras are provided on the first interface for solid
Determine the first connection component of switching device and EF bayonet camera lenses, is provided with for fixed transfer device and C/ in the second interface
Second connection component of CS cameras, the electronic switching device further include the switching control system for being useful for control aperture automatic adjustment
System.
Through the above technical solutions, EF bayonet camera lenses can be corresponded to by first interface, C/CS is corresponded to by second interface
Camera realizes the connection of EF bayonets camera lens and C/CS cameras, and fixes EF cards by the first connection component and the second connection component
The position of mouth mirror head and C/CS cameras makes EF bayonets camera lens be relatively fixed with C/CS cameras, then direct by adaptive control system
It controls aperture to adjust, docking to EF bayonets camera lens and C/CS cameras is realized by this switching device to reach, and can be right
Aperture is automatically adjusted after connecing, and then realizes that the industrial camera of common C/CS interfaces can utilize this switching device, is directly used
Civilian EF bayonets camera lens obtains better imaging resolution in lower cost, while can also increase Power focus function, side
Just installation and debugging obtain better image quality.Auto iris control function is provided.
The utility model is further arranged to：The adaptive control system includes detection module：For detecting intensity of illumination,
And export inductive signal；Central processing module：It is coupled to detection module, for receiving inductive signal and by the change of inductive signal
Change driving aperture work.
Through the above technical solutions, detecting intensity of illumination by detection module and feeding back to central processing module, in
Comparative analysis inside the processing module progress of centre then realizes that control aperture completes the adjusting to illuminance, realizes automatic adjustment
The control function of aperture ensures that the control to illuminance can be realized by adapter, obtains better image quality, do not have to volume
The outer equipment that control aperture is provided, while reducing the trouble of artificial control aperture.
The utility model is further arranged to：The adaptive control system further includes having the circuit board being arranged in adapter
And setting is used for the camera lens spring contact of signal communication EF bayonets camera lens and adaptive control system on circuit boards.
Through the above technical solutions, can be docked with the contact on EF bayonet camera lenses by camera lens spring contact, realizes and turn
Connector is connect with the signal of EF bayonet camera lenses, and this set can ensure more stablizing for connection, realize the control to aperture.
The utility model is further arranged to：First connection component includes the mirror for being connected on EF bayonet camera lenses
Head card slot.
Through the above technical solutions, the setting of camera lens card slot can coordinate the clamping block on EF bayonet camera lenses to use, in turn
Ensure adapter and connect the connection of EF bayonet camera lenses, adapter is prevented to be detached from EF bayonet camera lenses are connect, can be consolidated by rotation
It is fixed, simple in structure, stable connection.
The utility model is further arranged to：First connection component further includes the bayonet for fixing EF bayonet camera lenses
Locking pin.
Through the above technical solutions, can ensure that EF bayonet camera lenses are connect more with adapter by rotating bayonet lock rationed marketing
Add stabilization.
The utility model is further arranged to：The side that the adapter is used to connect EF bayonet camera lenses is additionally provided with and is used for
The bayonet that EF bayonet camera lenses are aligned for operating personnel aligns mark.
Through the above technical solutions, bayonet contraposition mark setting can personnel easy to operation more accurately align EF bayonets
Camera lens and adapter realize rapid abutting joint, save the time.
The utility model is further arranged to：Second connection component includes the C/CS flanges for connecting C/CS cameras
Disk.
Through the above technical solutions, C/CS ring flanges can realize the connection of adapter and C/CS cameras, and flanged joint
It is relatively stable, it is not easy to shake, and then ensure that the effect of imaging is more preferable.
The utility model is further arranged to：The detection module includes four illumination being arranged on adapter sensings
Device.
Through the above technical solutions, the setting of four illuminance transducers can ensure more accurate sensing light intensity,
Offer automatically controls parameter, and then ensures that the light modulation of aperture is accurate, imaging clearly.
The utility model is further arranged to：The switching device further includes for signal connection adaptive control system and C/CS
The serial ports terminal of camera signal.
Through the above technical solutions, can realize that C/CS cameras and the signal of adapter and EF bayonet camera lenses are connect,
The C/CS cameras that realize connect are connect with the signal of EF bayonet camera lenses, and then can be realized through C/CS camera control EF bayonet mirrors
Head is focused, and is accurately imaged, and Industry Control is completed.
In conclusion the utility model has the advantages that：
1, the switching of EF bayonets camera lens and C/CS cameras is realized；
2, the camera lens cost reduction used using industrial camera；
3, with an automatic light meter；
4, automatic focusing.
Description of the drawings
Fig. 1 is the axonometric drawing of the present embodiment；
Fig. 2 is the vertical view of the present embodiment；
Fig. 3 is the lower view of the present embodiment；
Fig. 4 is the side view of the present embodiment；
Fig. 5 is the system block diagram of the present embodiment.
In figure, 1, adapter；11, first interface；12, second interface；13, caulking groove；14, camera lens card slot；15, bayonet is fixed
Pin；16, bayonet alignment device；17, annular lug；18, ring flange；19, unicom mouth；2, circuit board；21, microprocessor；22, mirror
Head spring contact；23, serial ports terminal.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment：A kind of EF with light measuring function turns C/CS camera lens electronic switching devices, as depicted in figs. 1 and 2, including
Adapter 1, the adapter 1 are provided in round, and the first interface for connecting EF bayonet camera lenses is offered in the both sides of adapter 1
11 and the second interface 12 for connecting C/CS cameras, first interface 11 be set on the caulking groove 13 for being located at 1 side of adapter,
The size of the caulking groove 13 is identical as the size of connector of EF bayonet camera lenses, is embedded in caulking groove 13 for EF bayonet camera lenses,
The first connection component for fixed transfer device and EF bayonet camera lenses is provided on one interface 11, the first connection component includes mirror
Head card slot 14 and bayonet fixed pin 15, above-mentioned camera lens card slot 14 are set as three, are circumferentially provided at first interface 11, with
Clamping block on EF bayonet camera lenses matches（Because clamping block is known technology, and size all has standard, therefore few herein
Add and repeats）, clamping block is corresponded in the position of camera lens card slot 14, and rotate EF bayonet camera lenses, clamping block is screwed in into camera lens card slot
In 14, the fixation of adapter 1 and EF bayonet camera lenses, the bayonet fixed pin 15 of above-mentioned bayonet fixed pin 15 and household camera are completed
It is identical, do not add to repeat herein, there are one bayonet alignment device 16, above-mentioned bayonets pair for setting on the side of first interface 11
Position device 16 is set as a red circular markers, which corresponds to is arranged at the contraposition of EF bayonet camera lenses, realizes
To the accurate contraposition of camera lens.
With reference to shown in Fig. 3 and Fig. 4, above-mentioned second interface 12 includes being connected to an annular lug 17 on having of transferring,
The annular lug 17 can be inserted into C/CS cameras, and the second connection component includes the ring flange 18 being fixed on adapter 1, C/CS phases
Machine carries out flanged joint with adapter 1 by ring flange 18, as the case may be, if in being provided on the connector of C/CS cameras
Screw thread is also provided with the external screw thread being adapted to internal thread on annular lug 17, and C/CS phases are realized in the connection for passing through internal and external threads
The fixation of machine and adapter 1.
Above-mentioned first interface 11 is connected to second interface 12 by the unicom mouth 19 being opened in adapter 1, realizes light
The connection on road.
Referring to Fig.1 with shown in Fig. 5, aperture be one be used for control light penetrate camera lens, into fuselage in photosurface light quantity
Device, it be typically in camera lens.Camera lens electronic switching device further includes the switching control for being useful for control aperture automatic adjustment
System processed, adaptive control system include and exporting the detection module of inductive signal for detecting intensity of illumination, being coupled to detection mould
Block is used to receive inductive signal and by the central processing module of the variation driving aperture work of inductive signal, setting in EF bayonets
Lens control module in camera lens and the camera control module being arranged in C/CS cameras, are fixedly installed an electricity in caulking groove 13
Road plate 2, detection module include four illuminance transducers, and four illuminance transducer settings are located at unicom mouth 19 on the circuit board 2
It on position, for perceiving intensity of illumination, and is transmitted in central processing module, central processing module includes a microprocessor
21, the central processing unit that microprocessor 21 is made of a piece of or several large scale integrated circuit.These circuits execute control
The function of component and arithmetic and logical unit (ALU).Microprocessor 21 can complete instruction fetch, execute instruction, and with extraneous memory and patrol
The operations such as parts swap information are collected, are the operation control parts of microcomputer, microprocessor 21 is set as in the present embodiment
The microprocessor 21 of model STM32F103, the microprocessor 21 are embedded on the circuit board 2, are provided with are used on the circuit board 2
The camera lens spring contact 22 of signal transmission, the contact pair of the camera lens spring contact 22 and EF bayonet camera lenses are carried out with EF bayonet camera lenses
It should be arranged, can also power to camera lens while realizing signal transmission, be additionally provided at second interface 12 and turn for signal connection
The serial ports terminal 23 of connected control system and C/CS camera signals, the serial ports terminal 23 carry out letter for C/CS cameras with switching device
Number transmission, while can power to switching device.It is above-mentioned this arrangement achieve that EF bayonets camera lens, C/CS cameras and switching
Signal connection between device, and then can realize the focusing motor in C/CS camera control EF bayonet camera lenses, realize focusing
Setting.
Intensity of illumination a reference value is preset in microprocessor 21, which is set as needing with camera illumination
Corresponding value is sought, preset machine can be accessed by serial ports terminal 23 and preset, therefore technology is the ripe prior art,
Do not add to repeat herein, carrying out illumination by illuminance transducer obtains compared with intensity of illumination a reference value, carries out lens aperture
Adjustment, and then realize the control to aperture.A series of above-mentioned control processes are completed in microprocessor 21, by micro-
21 pre-set programs of processor realize above-mentioned function, therefore program is to adjust the general technology of aperture, does not add to repeat herein.
The course of work：EF bayonet camera lenses are inserted into caulking groove 13, EF bayonet camera lenses are rotated, by the fixture block on EF bayonet camera lenses
It screws in the camera lens card slot 14 of adapter 1, and is completed to EF bayonets camera lens and adapter 1 by rotary bayonet fixed pin 15
It is fixed, by 18 flanged joint C/CS cameras of ring flange and adapter 1, the connector of C/CS cameras is inserted into serial ports terminal 23, it is complete
At between EF bayonets camera lens and C/CS cameras switching and signal transmission, while illuminance transducer and microprocessor 21 can be passed through
Realization automatically controls adjustment aperture, completes the control to light transmission.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of EF with light measuring function turns C/CS camera lens electronic switching devices, it is characterized in that：It is described including adapter (1)
The both sides of adapter (1) offer the first interface (11) for connecting EF bayonet camera lenses and for connecting C/CS cameras
Two interfaces (12) are provided on the first interface (11) and connect group with the first of EF bayonet camera lenses for fixed transfer device
Part, the second connection component for fixed transfer device and C/CS cameras is provided on the second interface (12), which turns
Connection device further includes the adaptive control system for being useful for control aperture automatic adjustment.
2. a kind of EF with light measuring function according to claim 1 turns C/CS camera lens electronic switching devices, it is characterized in that：
The adaptive control system includes
Detection module：For detecting intensity of illumination, and export inductive signal；
Central processing module：It is coupled to detection module, for receiving inductive signal and driving aperture by the variation of inductive signal
Work.
3. a kind of EF with light measuring function according to claim 2 turns C/CS camera lens electronic switching devices, it is characterized in that：
The adaptive control system further includes having the circuit board (2) being arranged in adapter (1) and setting to be used on circuit board (2)
The camera lens spring contact (22) of signal communication EF bayonets camera lens and adaptive control system.
4. a kind of EF with light measuring function according to claim 1 turns C/CS camera lens electronic switching devices, it is characterized in that：
First connection component includes the camera lens card slot (14) for being connected on EF bayonet camera lenses.
5. a kind of EF with light measuring function according to claim 4 turns C/CS camera lens electronic switching devices, it is characterized in that：
First connection component further includes the bayonet lock rationed marketing for fixing EF bayonet camera lenses.
6. a kind of EF with light measuring function according to claim 5 turns C/CS camera lens electronic switching devices, it is characterized in that：
The side that the adapter (1) is used to connect EF bayonet camera lenses is additionally provided with for the card for operating personnel's contraposition EF bayonet camera lenses
Mouth contraposition mark.
7. a kind of EF with light measuring function according to claim 1 turns C/CS camera lens electronic switching devices, it is characterized in that：
Second connection component includes the C/CS ring flanges (18) for connecting C/CS cameras.
8. a kind of EF with light measuring function according to claim 2 turns C/CS camera lens electronic switching devices, it is characterized in that：
The detection module includes four illuminance transducers being arranged on adapter (1).
9. a kind of EF with light measuring function according to claim 1 turns C/CS camera lens electronic switching devices, it is characterized in that：
The switching device further includes the serial ports terminal (23) that adaptive control system and C/CS camera signals are connected for signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875216.8U CN207677852U (en) | 2017-12-27 | 2017-12-27 | A kind of EF with light measuring function turns C/CS camera lens electronic switching devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875216.8U CN207677852U (en) | 2017-12-27 | 2017-12-27 | A kind of EF with light measuring function turns C/CS camera lens electronic switching devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677852U true CN207677852U (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721875216.8U Active CN207677852U (en) | 2017-12-27 | 2017-12-27 | A kind of EF with light measuring function turns C/CS camera lens electronic switching devices |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996006A (en) * | 2019-12-19 | 2020-04-10 | 苏州光测视界智能科技有限公司 | Adapter ring for industrial camera lens and CCD and control method |
| CN111866319A (en) * | 2019-04-29 | 2020-10-30 | 武汉精立电子技术有限公司 | Electric lens control device for industrial camera |
| CN111866365A (en) * | 2019-04-29 | 2020-10-30 | 武汉精立电子技术有限公司 | Industrial camera capable of automatically focusing and control method |
| CN112788203A (en) * | 2019-11-08 | 2021-05-11 | 杭州海康威视数字技术股份有限公司 | Lens switching device and camera device |
-
2017
- 2017-12-27 CN CN201721875216.8U patent/CN207677852U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111866319A (en) * | 2019-04-29 | 2020-10-30 | 武汉精立电子技术有限公司 | Electric lens control device for industrial camera |
| CN111866365A (en) * | 2019-04-29 | 2020-10-30 | 武汉精立电子技术有限公司 | Industrial camera capable of automatically focusing and control method |
| CN112788203A (en) * | 2019-11-08 | 2021-05-11 | 杭州海康威视数字技术股份有限公司 | Lens switching device and camera device |
| CN112788203B (en) * | 2019-11-08 | 2022-07-15 | 杭州海康威视数字技术股份有限公司 | Lens switching device and camera device |
| CN110996006A (en) * | 2019-12-19 | 2020-04-10 | 苏州光测视界智能科技有限公司 | Adapter ring for industrial camera lens and CCD and control method |
| CN110996006B (en) * | 2019-12-19 | 2022-04-15 | 苏州光测视界智能科技有限公司 | Control method for adapter ring of industrial camera lens and CCD |
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