CN110383806A - Lens assembly, camera system and moving body - Google Patents
Lens assembly, camera system and moving body Download PDFInfo
- Publication number
- CN110383806A CN110383806A CN201780087914.8A CN201780087914A CN110383806A CN 110383806 A CN110383806 A CN 110383806A CN 201780087914 A CN201780087914 A CN 201780087914A CN 110383806 A CN110383806 A CN 110383806A
- Authority
- CN
- China
- Prior art keywords
- rotation
- cam ring
- gear
- lens
- lens assembly
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000000806 elastomer Substances 0.000 claims description 15
- 206010044565 Tremor Diseases 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 description 12
- 230000015654 memory Effects 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
In the mechanism for having used cam ring, rocking between gear sometimes impacts the driving of camera lens.The present invention provides a kind of lens assembly, which can have cam ring, by rotating along the first direction of rotation with second direction of rotation opposite with the first direction of rotation, and move camera lens along optical axis.Lens assembly can have driving source, generate the power for rotating cam ring.Lens assembly can have gear part, have interconnected first gear and second gear, and the power from driving source is transmitted to cam ring.Lens assembly can have force section, it along the first direction of rotation exerts a force to cam ring, so that first flank of tooth of first gear and second flank of tooth opposite with first flank of tooth of second gear can all contact no matter when cam ring is rotated with which direction in the second direction of rotation along the first direction of rotation.
Description
The present invention relates to a kind of lens assembly, camera system and moving bodys.
A kind of lens driving apparatus is disclosed in patent document 1, has camera lens retainer, which has the nut screwed togather with screw rod, by rotating screw rod, and moves camera lens retainer along optical axis direction via nut.Lens driving apparatus has the component to camera lens force.So that camera lens is biased to certain direction by component, and inhibits what is generated between camera lens retainer and nut to rock.
Patent document 1: Japanese Unexamined Patent Publication 2006-317847 bulletin
Summary of the invention
The technical problems to be solved by the invention
A kind of mechanism as driving camera lens, it is known that mechanism for having used the cam ring rotated via gear.Even if rocking the driving that also will affect camera lens between gear sometimes by using the mechanism of this cam ring.
For solving the means of technical problem
Lens assembly involved in one embodiment of the present invention can have cam ring, by rotating along the first direction of rotation with second direction of rotation opposite with the first direction of rotation, and move camera lens along optical axis.Lens assembly can have driving source, generate the power for rotating cam ring.Lens assembly can have gear part, which has interconnected first gear and second gear, and the power from driving source is transmitted to cam ring.Lens assembly can have force section, the force section along the first direction of rotation exerts a force to cam ring, so that first flank of tooth of first gear and second flank of tooth opposite with first flank of tooth of second gear can all contact no matter when cam ring is rotated with which direction in the second direction of rotation along the first direction of rotation.
Camera lens can be amasthenic lens.Receive the power from driving source via gear part by cam ring to rotate with the second direction of rotation along the first direction of rotation, the trembling movement of amasthenic lens can be executed.
Driving source can be motor.Lens assembly can have test section, detect the rotation amount of motor.Lens assembly can have control unit, and the rotation of motor is controlled according to rotation amount.
Camera lens can be amasthenic lens.Control unit can be by controlling the rotation of motor so that cam ring is rotated with the second direction of rotation along the first direction of rotation via power of the gear part receiving from motor, thereby executing the trembling movement of amasthenic lens.
Control unit can be by control motor so that the torque of motor is more than force section along the first direction of rotation to the force of cam ring, so that cam ring be made to rotate along the second direction of rotation.Control unit can be by control motor so that the torque of motor is lower than the force of force section, so that cam ring be made to rotate along the first direction of rotation.
Force section may include elastomer.The fixed cylinder for rotatably accommodating cam ring can be further equipped with.Elastomer along the first direction of rotation can exert a force to cam ring by exerting a force relative to fixed cylinder to cam ring.
Be fixed on cam ring by the first part of elastomer, the second part of elastomer is fixed in fixed cylinder, can along the first direction of rotation to cam ring exert a force.
Lens assembly can have the camera lens retainer for keeping camera lens.Camera lens retainer can have the pin engaged with the cam path of cam ring.Be fixed on camera lens retainer by the first part of elastomer, the second part of elastomer is fixed in fixed cylinder, can along the first direction of rotation to cam ring exert a force.
Camera system involved in one embodiment of the present invention can have above-mentioned lens assembly.Camera system can have the photographic device imaged to the light being imaged by lens assembly.
Camera system can have supporting mechanism, support at least one of lens assembly and photographic device in a manner of rotating lens assembly and photographic device.
Moving body involved in one embodiment of the present invention can be the above-mentioned camera system of carrying and carry out mobile moving body.
According to one method of the present invention, the influence for rocking the driving to camera lens being able to suppress between gear.
In addition, all features for not having exhaustion of the invention in above-mentioned summary of the invention.In addition, the sub-portfolio of these feature groups can also become invention.
Fig. 1 is the stereoscopic figure of a part of the constituent part of lens assembly.
Fig. 2 is the figure for being illustrated to gear part.
Fig. 3 is an exemplary figure for showing the functional block of photographic device.
Fig. 4 is an exemplary figure for showing the configuration of spring.
Fig. 5 is the figure for illustrating the control principle of stepper motor.
Fig. 6 is an exemplary figure for showing the current value supplied to stepper motor.
Fig. 7 is an exemplary figure for showing the relationship of the driving voltage and motor rotation position that apply to stepper motor.
Fig. 8 is an exemplary figure for showing the appearance of unmanned vehicle and long-distance operating device.
Hereinafter, by the embodiment of invention come the present invention will be described, but following implementation not limits invention involved in claims.In addition, the combination of the feature illustrated in embodiment is not entirely necessary to the solution of invention.For those of ordinary skills, it is clear that various changes or improvement can be subject in the following embodiments.It is it can be appreciated that the mode for being subject to such change or improvement also all may include within technical scope of the invention from the record of claims.
Include the item as copyright institute protected object in claims, specification, Figure of description and abstract of description.As long as anyone carries out the duplication of these files as represented by the document of Patent Office or record, copyright owner can not objection.But in the case where in addition to this, retain the copyright of all.
Fig. 1 is the stereoscopic figure of a part of the constituent part of lens assembly 200.Lens assembly 200 has camera lens 210, camera lens retainer 212, guiding axis 216, stepper motor 202, gear part 230, test section 250, cam ring 260 and fixed cylinder 270.
Fixed cylinder 270 rotatably keeps cam ring 260.In the inside of cam ring 260 configuration camera lens 210, camera lens retainer 212 and guiding axis 216.Cam ring 260 has cam path 262 in side.Camera lens retainer 212 keeps camera lens 210.Camera lens retainer 212 is supported in a manner of it can move along optical axis direction by a pair of of guiding axis 216.Camera lens retainer 212 has pin 214 in end.Pin 214 engages with cam path 262.It is rotated by cam ring 260, pin 214 is moved along cam path 262, so that camera lens retainer 212 and camera lens 210 be made to move along optical axis direction.
Stepper motor 202 generates the power for rotating cam ring 260.Stepper motor 202 is an example of driving source and motor.Gear part 230 transmits the power from stepper motor 202 to cam ring 260.Gear part 230 includes gear 231, gear 232 and gear 233.Gear 231 is arranged in the drive shaft of stepper motor 202.Gear 233 is arranged on the outer peripheral surface of cam ring 260.Gear 233 can be arranged along the marginal portion of one end of the cam ring 260 of camera shooting surface side.Gear 232 and gear 231 and gear 233 link, and the power from gear 231 is transmitted to gear 233, the power from gear 233 is transmitted to gear 231.Two gears being interconnected in gear 231, gear 232 and gear 233 are an examples of first gear and second gear.
The rotation amount of the detection stepper motor 202 of test section 250.Test section 250 has grid disk 252 and optical chopper 254.Grid disk 252 is fixed in the drive shaft of stepper motor 202, corresponding to the drive shaft of stepper motor 202 rotation and rotate.Grid disk 252 includes the radial slit 253 configured at equal intervals.Optical chopper 254 has illumination region and acceptance part.Grid disk 252 is configured between illumination region and acceptance part.The light issued from illumination region is determined according to it rotation amount of stepper motor 202 via slit 253 and by acceptance part light by optical mode.
It is rotated by stepper motor 202, gear 231 rotates.It is rotated by gear 231, is rotated with the gear 232 that gear 231 links.In turn, it is rotated, is rotated with the gear 233 that gear 232 links, and cam ring 260 is rotated by gear 232.In addition, the quantity for the gear that gear part 230 has is not limited to three.Gear part 230 may include more than two any number of gears.
Fig. 2 is the figure for being illustrated to gear part 230.While the flank of tooth 231a of gear 231 and the flank of tooth 232a of the gear 232 opposite with flank of tooth 231a are contacted, the direction of rotation shown in the arrow 237 of gear 231 rotates.Corresponding to its rotation, the direction of rotation shown in the arrow 238 of gear 232 rotates.Further, while the flank of tooth 233b of the flank of tooth 232b of gear 232 and the gear 233 opposite with flank of tooth 232b are contacted, the direction of rotation shown in the arrow 238 of gear 232 rotates.Corresponding to its rotation, the direction of rotation shown in the arrow 239 of gear 233 rotates.
In the gear part 230 constituted in this way, there are gaps 235 between gear 231 and gear 232.There is also gaps 236 between gear 232 and gear 233.This gap 235 and 236 is referred to as backlash.Since there are backlash, the position control of camera lens 210 is impacted sometimes.For example, after the rotation of the direction of rotation shown in the arrow 237 of gear 231, then when the direction of rotation shown in the arrow 241 rotates, due to the presence in gap 235, gear 232 engages with gear 231, can generate time lag before the direction of rotation shown in the arrow 242 rotates.This time lag sometimes impacts the position control of camera lens 210.
Camera lens 210 includes amasthenic lens.When the driving mechanism of amasthenic lens, which has, rocks, focus processing is had an impact sometimes.Compared with the rocking of the driving mechanism of zoom lens, rocking for the driving mechanism of amasthenic lens generates bigger influence to camera shooting sometimes.Therefore, in order to inhibit amasthenic lens driving mechanism the influence rocked, consideration amasthenic lens is minimized.On the other hand, in order to improve the performance of amasthenic lens, it is also contemplated that by amasthenic lens enlargement.Moreover, considering to utilize cam ring in the driving mechanism of amasthenic lens to accurately drive large-scale amasthenic lens.On the other hand, in the case that photographic device for example executes automatic focus processing when dynamic image is photographed, the trembling movement for fine driving amasthenic lens back and forth along optical axis direction is executed sometimes.But when there are the backlash between gear as described above, it is difficult to carry out high-precision trembling movement.In this way, in the driving for the first-class camera lens of focus lamp that cam ring is utilized, there are projects.
Therefore, related lens assembly 200 according to the present embodiment, it exerts a force along the first direction of rotation to cam ring 260, so that when no matter which direction in cam ring 260 along the first direction of rotation (such as direction of rotation shown in arrow 240) and second direction of rotation opposite with the first direction of rotation (such as direction of rotation shown in arrow 239) rotates, the flank of tooth 231a of gear 231 can be contacted with the flank of tooth 232a of gear 232, and the flank of tooth 232b of gear 232 can be contacted with the flank of tooth 233b of gear 233.Thus the influence of the backlash between gear is eliminated, and improves the driving precision that the camera lens of cam ring is utilized.First direction of rotation can be clockwise direction, and the second direction of rotation can be direction counterclockwise.Alternatively, the first direction of rotation can be direction counterclockwise, the second direction of rotation can be clockwise direction.
Fig. 3 shows an example of the functional block of photographic device 100 involved in present embodiment.Photographic device 100 has lens assembly 200 and image pickup part 102.
Image pickup part 102 has imaging sensor 120, imaging control part 110, gyrosensor 116 and memory 130.Imaging sensor 120 can be made of CCD or CMOS.Imaging sensor 120 exports the image data for the optical imagery being imaged via a plurality of lenses 210 to imaging control part 110.Imaging control part 110 can be made of microcontrollers such as the microprocessors such as CPU or MPU, MCU etc..Imaging control part 110 can be according to the action command of the photographic device 100 from the user issued via operation portion, to control photographic device 100.The vibration of the detection photographic device 100 of gyrosensor 116.Memory 130 can be computer readable recording medium, may include at least one of flash memories such as SRAM, DRAM, EPROM, EEPROM and USB storage.Memory 130 stores imaging control part 110 and carries out controlling required program etc. to imaging sensor 120 etc..Memory 130 can be set in the inside of the shell of photographic device 100.Memory 130 can be set to disassemble from the shell of photographic device 100.
Lens assembly 200 has a plurality of lenses 210, lens control portion 220 and memory 222.Lens assembly 200 is further equipped with stepper motor 202, cam ring 260, camera lens retainer 212, gear part 230, test section 250 and fixed cylinder 270.Camera lens retainer 212 keeps camera lens 210.The pin 214 being arranged on camera lens retainer 212 engages with the cam path of cam ring 260.It is rotated by cam ring 260, pin 214 is moved along cam path, and camera lens 210 is moved along optical axis direction together with camera lens retainer 212.A plurality of lenses 210 can be used as zoom lens, zoom lens and amasthenic lens and play a role.At least part of a plurality of lenses 210 all is configured to move along optical axis.Lens assembly 200 can be the interchangeable lenses for being configured to dismount relative to image pickup part 102.
Stepper motor 202 transmits power to cam ring 260 via gear part 230, rotates cam ring 260.Lens control portion 220 drives stepper motor 202 according to the lens control instruction from image pickup part 102, to make one or more camera lenses 210 move along optical axis direction via gear part 230 and cam ring 260.Lens control instruction e.g. Zoom control instruction and focus control instruction.Lens control portion 220 by make camera lens 210 at least one moved along optical axis, at least one of Lai Zhihang zoom action and focus movement.Lens control portion 220 for example execute dynamic image photography when automatic focus action in the case where, stepper motor 202 is controlled so that cam ring 260 is fine rotated with the second direction of rotation back and forth along the first direction of rotation, it fine drives amasthenic lens back and forth, thus executes trembling movement.Here, trembling movement refers to, while vibrating amasthenic lens fine along optical axis, calculates the evaluation of estimate for indicating the fog-level of images such as contrast value, then, determine should be along the direction that optical axis moves while, move closer to the movement of focusing state.Lens control portion 220 is an example of control unit.Lens control portion 220 executes trembling movement according to the automatic focus command from image pickup part 102.
The controlling value of the storage a plurality of lenses 210 of memory 222.Memory 222 may include at least one of flash memories such as SRAM, DRAM, EPROM, EEPROM and USB storage.
In the photographic device 100 constituted in this way, lens assembly 200 has spring 280 to inhibit the influence of the backlash of gear part 230.Spring is an example of elastomer and force section.Spring 280 along the first direction of rotation exerts a force to cam ring 260, so that no matter when cam ring 260 is rotated with which direction in the second direction of rotation along the first direction of rotation, the flank of tooth 231a of gear 231 can be contacted with the flank of tooth 232a of gear 232, and the flank of tooth 232b of gear 232 can be contacted with the flank of tooth 233b of gear 233.
Lens control portion 220 by control stepper motor 202 so that stepper motor 202 torque be more than spring 280 along the first direction of rotation (such as direction of rotation shown in the arrow 240 of Fig. 2) to the force of cam ring 260, thus make cam ring 260 along the second direction of rotation (such as direction of rotation shown in the arrow 239 of Fig. 2) rotate.Lens control portion 220 is by control stepper motor 202 so that the torque of stepper motor 202 is lower than spring 280 along the first direction of rotation to the force of cam ring 260, so that cam ring 260 be made to rotate along the first direction of rotation.In this case, the force of spring 280 is used for the maintenance of cam ring 260 to the rotation of the first direction of rotation and the mutual contact of the flank of tooth of gear.Also, lens control portion 220 is by control stepper motor 202 so that the torque of stepper motor 202 and spring 280 along the first direction of rotation balance the force of cam ring 260, so that cam ring 260 be made to stop on desired rotation position.
Be fixed on camera lens retainer 212 by the first part of spring 280, the second part of spring 280 is fixed in fixed cylinder 270, spring 280 can along the first direction of rotation to cam ring 260 exert a force.One end of spring 280 can be fixed on camera lens retainer 212.The other end of spring 280 can be fixed on the fixed frame 272 being arranged on the inner peripheral surface of fixed cylinder 270.The pin 214 of camera lens retainer 212 engages with the cam path 262 of cam ring 260.Spring 280 is by exerting a force to camera lens retainer 212 on the first direction along optical axis as a result, and exerts a force along the first direction of rotation to cam ring 260.In this way, no matter when cam ring 260 is rotated with which direction in the second direction of rotation along the first direction of rotation, the influence of the backlash of gear part 230 can be inhibited by exerting a force along the first direction of rotation to cam ring 260.
As long as spring 280 can exert a force to cam ring 260 along certain direction of rotation, setting is ok on which position.For example, as shown in figure 4, a pair of of spring 280 can be set in a part of cam ring 260 and a part of fixed cylinder 270, first direction of rotation shown in the arrow 240 exerts a force to cam ring 260.A pair of of spring 280 can clip cam ring 260 and be relatively configured.A pair of of spring 280 configures in which can clip the axisymmetry of cam ring 260.A pair of of spring 280 can respectively the configuration of first direction of rotation shown in the arrow 240 on the outer peripheral surface of cam ring 260.Furthermore, it is possible to which the respective one end of a pair of of spring 280 is fixed on the outer peripheral surface of cam ring 260, the respective other end of a pair of of spring 280 is fixed in a part of fixed cylinder 270.As long as a part of cam ring 260 corresponding to cam ring 260 rotation and the part that is rotated integrally with cam ring 260, then can be arbitrary portion.A part of cam ring 260 can be the arbitrary portion on the outer peripheral surface of cam ring 260.A part of cam ring 260 is also possible to the part being fixed on cam ring 260.As long as a part of fixed cylinder 270 will not correspond to the rotation of cam ring 260 and mobile part occurs relative to cam ring 260, then it can be arbitrary portion.A part of fixed cylinder 270 is also possible to the part being fixed in fixed cylinder 270.Lens assembly 200 can also be further equipped with the spring that spring 280 as shown in Figure 3 is fixed on fixed frame 272 and the addition on lens bracket 212 like that other than a pair of of spring 280.Additional spring can be used as the elastomer of the anti-shake in the driving mechanism of the camera lenses such as cam follower 210 and play a role.Spring 280 can be more than one any amount.Lens assembly 200 can have the structure in view of the driving mechanism of camera lens 210 and configure any number of spring 280 in arbitrary site, to force needed for the application mutual continuous contact of gear of cam ring 260.
The force section to exert a force along certain direction of rotation to cam ring 260 is also possible to the means other than the elastomers such as spring 280.Force section is for example also possible to the motor or magnet to exert a force along certain direction of rotation to cam ring 260.In the case where force section is motor, lens assembly 200 can also be further equipped with the force stepper motor to exert a force along certain direction of rotation to cam ring 260 other than stepper motor 202.Force stepper motor can transmit power to the gear 233 being arranged on cam ring 260 via force gear.Lens assembly 200 can be continuously applied certain voltage with stepper motor to force and generate force on certain direction of rotation during lens assembly 200 acts.In the case where force section is magnet, the magnet for exerting a force along certain direction to cam ring 260 can be set on cam ring 260 and fixed cylinder 270 respectively.In addition it is also possible to be that each tooth of gear is made of magnet, exert a force along certain direction of rotation to cam ring 260.
Fig. 5 is the figure for illustrating the control principle of stepper motor 202.Lens control portion 220 can control stepper motor 202 by feedback control according to the rotation amount of the stepper motor 202 detected by test section 250.Lens control portion 220 can control stepper motor 202 by PID control according to the rotation amount of the stepper motor 202 detected by test section 250.Lens control portion 220 may include rotation angle operational part 224, differential operational portion 226 and driving voltage operational part 228.Rotation angle operational part 224 obtains the rotation amount of the stepper motor 202 detected by test section 250.Angle operational part 224 is rotated according to rotation amount come the rotation angle of operation stepper motor 202.The difference of the rotation angle that 226 operation of differential operational portion is calculated by rotation angle operational part 224 and the target rotation angle based on the lens driving instruction from imaging control part 110.The driving voltage that driving voltage operational part 228 applies stepper motor 202 come operation according to the difference provided by differential operational portion 226.Driving voltage operational part 228 carrys out operation according to difference and passes through the driving voltage that PID control applies stepper motor 202.Driving voltage operational part 228 can control the current value supplied to stepper motor 202 according to difference by PID control.Lens control portion 220 can control stepper motor 202 by two-phase excitation.Lens control portion 220 can control current value, so that electric current for example as shown in Figure 6 flows through the A phase of stepper motor 202 and the coil of B phase.When flowing through the electric current of a periodic quantity in stepper motor 202, stepper motor 202 for example rotates 9 degree.
Spring 280 corresponds to the rotation position of stepper motor 202 to the force that cam ring 260 applies along the first direction of rotation and changes.Thus, the rotation position of stepper motor 202 is also corresponded to the driving voltage that stepper motor 202 applies and is changed.For example, as shown in fig. 7, lens control portion 220 corresponds to the rotation position (the rotation angle of cam ring 260) of stepper motor 202 and makes the driving voltage variation applied to stepper motor 202.Driving voltage 500 indicates the voltage applied when the rotation for making cam ring 260 stops to stepper motor 202.Driving voltage 502 indicate make cam ring 260 along with force direction opposite direction rotate when to stepper motor 202 apply voltage.Driving voltage 502 is higher than driving voltage 500.Driving voltage 504 indicates the voltage applied when making cam ring 260 along force direction rotation to stepper motor 202.Driving voltage 504 is lower than driving voltage 500.
In this way, changing the driving voltage applied to stepper motor 202 corresponding to the rotation angle of cam ring 260.Thus, while the flank of tooth 231a for making gear 231 contacts with the flank of tooth 232a of gear 232 and make the flank of tooth 232b of gear 232 and the flank of tooth 233b of gear 233 to contact, no matter cam ring 260 is rotated and can be realized with which direction in the second direction of rotation along the first direction of rotation.Thus, it is possible to inhibit the influence of the backlash of gear part 230.Thus, for example, will not be influenced by backlash even if driving amasthenic lens using cam ring 260, it can be realized trembling movement when dynamic image photography.
Photographic device 100 as described above can also be mounted on moving body.Photographic device 100 can also be mounted on unmanned vehicle as shown in Figure 8 (UAV).UAV10 can have UAV main body 20, holder 50, multiple photographic devices 60 and photographic device 100.Holder 50 and photographic device 100 are an examples of camera system.UAV10 is an example of the moving body promoted by promotion part.The concept of moving body further includes the flying bodies such as the other aircraft moved in the sky, the vehicle moved on the ground, the ship moved on the water etc. other than UAV.
UAV main body 20 has multiple rotors.Multiple rotors are an examples of promotion part.UAV main body 20 makes UAV10 fly by controlling the rotation of multiple rotors.UAV main body 20 for example makes UAV10 fly using four rotors.The quantity of rotor is not limited to four.In addition, UAV10 is also possible to the fixed-wing aircraft without rotor.
Photographic device 100 is the camera shooting camera imaged to the subject for including in desired image pickup scope.Holder 50 is rotatably supported photographic device 100.Holder 50 is an example of supporting mechanism.For example, holder 50 is actuator can be used to be supported photographic device 100 in a manner of pitch axis rotation to it.Holder 50 is actuator can be used to be supported photographic device 100 also rotatably to it centered on roll axis and yaw axis respectively.Holder 50 can be by rotating photographic device 100 centered at least one of yaw axis, pitch axis and roll axis, the posture of Lai Biangeng photographic device 100.
Multiple photographic devices 60 are in order to control the flight of UAV10 and to the sensing camera imaged around UAV10.The head in UAV10, i.e. front can be set in two photographic devices 60.Also, other two photographic devices 60 can be set in the bottom surface of UAV10.Two photographic devices 60 of face side can be pairs of, plays the role of so-called stereoscopic camera.Two photographic devices 60 of bottom surface side can also be pairs of, plays the role of stereoscopic camera.It can three-dimensional space data according to the image imaged by multiple photographic devices 60, around Lai Shengcheng UAV10.The quantity for the photographic device 60 that UAV10 has is not limited to four.As long as UAV10 has at least one photographic device 60.UAV10 can also have at least one photographic device 60 in the head of UAV10, tail, side, bottom surface and top surface respectively.It the visual angle that can be set in photographic device 60 can be bigger than the visual angle that can be set in photographic device 100.Photographic device 60 also can have tight shot or fish eye lens.
Long-distance operating device 300 communicate with UAV10 remotely operating UAV10.Long-distance operating device 300 can be wirelessly communicated with UAV10.Long-distance operating device 300 sends the instruction information for indicating the various instructions relevant to the movement of UAV10 such as up and down, acceleration, deceleration, advance, retrogressing and rotation to UAV10.Indicate information for example including the instruction information for increase the height of UAV10.Instruction information can indicate the height that UAV10 should be located at.UAV10 is mobile to be located in the height shown by the instruction information that long-distance operating device 300 receives.Indicate that information may include the climb command for increase UAV10.UAV10 rises during receiving climb command.When the height of UAV10 has reached the upper limit height, even if receiving climb command, UAV10 can also limit rising.
Above by embodiment, the present invention is described, but technical scope of the invention is not limited to the above embodiment documented range.For those of ordinary skills, it is clear that various changes or improvement can be subject to above embodiment.It is it can be appreciated that the mode for being subject to such change or improvement all may include within technical scope of the invention from the record of claims.
It should be noted that, every processing such as movement, sequence, step and stage in device shown in claims, specification and Figure of description, system, program and method executes sequence, as long as no especially express " ... before ", " prior " etc., as long as the output of previous processed is not used in subsequent processing, can be realized with random order.About the motion flow in claims, specification and Figure of description, use for convenience " first ", " then " etc. be illustrated, but be not meant to implement in this order.
Symbol description
10 UAV
20 UAV main bodys
50 holders
60 photographic devices
100 photographic devices
102 image pickup parts
110 imaging control parts
116 gyrosensors
120 imaging sensors
130 memories
200 lens assemblies
202 stepper motors
210 camera lenses
212 camera lens retainers
214 pins
216 guiding axis
220 lens control portions
222 memories
224 rotation angle operational parts
226 differential operational portions
228 driving voltage operational parts
230 gear parts
231 gears
The 231a flank of tooth
232 gears
232a gear
The 232a flank of tooth
The 232b flank of tooth
233 gears
The 233b flank of tooth
235 gaps
236 gaps
250 test sections
252 grid disks
253 slits
254 optical choppers
260 cam rings
262 cam paths
270 fixed cylinders
272 fixed frames
280 springs
300 long-distance operating devices
Claims (13)
- A kind of lens assembly, has:Cam ring by rotating along the first direction of rotation with second direction of rotation opposite with first direction of rotation, and moves camera lens along optical axis；Driving source generates the power for making the cam ring rotation；Gear part has interconnected first gear and second gear, the power from the driving source is transmitted to the cam ring；AndForce section, it exerts a force to the cam ring along first direction of rotation, so that first flank of tooth of the first gear and second flank of tooth opposite with first flank of tooth of the second gear can all contact no matter when any one direction of the cam ring in first direction of rotation and second direction of rotation rotates.
- Lens assembly as described in claim 1, whereinThe camera lens is amasthenic lens.
- Lens assembly as claimed in claim 2, whereinReceive the power from the driving source via the gear part by the cam ring to rotate along first direction of rotation and second direction of rotation, executes the trembling movement of the amasthenic lens.
- Lens assembly as described in claim 1, whereinThe driving source is motor,The lens assembly is further equipped with:Test section detects the rotation amount of the motor；AndControl unit controls the rotation of the motor according to the rotation amount.
- Lens assembly as claimed in claim 4, whereinThe camera lens is amasthenic lens,The control unit is by controlling the rotation of the motor so that the cam ring receives the power from the motor along first direction of rotation and second direction of rotation rotation, thereby executing the trembling movement of the amasthenic lens via the gear part.
- Lens assembly as claimed in claim 4, whereinThe control unit by control the motor so that the motor torque be more than the force section along first direction of rotation to the force of the cam ring, to make the cam ring rotate along second direction of rotation, by controlling the motor so that the torque of the motor is lower than the force of the force section, so that the cam ring be made to rotate along first direction of rotation.
- Lens assembly as described in claim 1, whereinThe force section includes elastomer.
- Lens assembly as claimed in claim 7, whereinIt is further equipped with the fixed cylinder for rotatably accommodating the cam ring,The elastomer exerts a force to the cam ring along first direction of rotation by exerting a force relative to the fixed cylinder to the cam ring.
- Lens assembly as claimed in claim 8, whereinBe fixed on the cam ring by the first part of the elastomer, the second part of the elastomer is fixed in the fixed cylinder, exert a force along first direction of rotation to the cam ring.
- Lens assembly as claimed in claim 8, whereinIt is further equipped with the camera lens retainer for keeping the camera lens,The camera lens retainer has the pin engaged with the cam path of the cam ring,Be fixed on the camera lens retainer by the first part of the elastomer, the second part of the elastomer is fixed in the fixed cylinder, exert a force along first direction of rotation to the cam ring.
- A kind of camera system, has:Lens assembly according to any one of claims 1 to 10；AndThe photographic device that the light being imaged by the lens assembly is imaged.
- Camera system as claimed in claim 11, whereinIt is further equipped with supporting mechanism, supports at least one of the lens assembly and the photographic device in a manner of rotating the lens assembly and the photographic device.
- A kind of moving body carries camera system described in claim 11 and is moved.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017174032A JP6596740B2 (en) | 2017-09-11 | 2017-09-11 | Lens device, imaging system, moving object |
| JP2017-174032 | 2017-09-11 | ||
| PCT/CN2017/118056 WO2019047421A1 (en) | 2017-09-11 | 2017-12-22 | Lens device, camera system, and moving body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110383806A true CN110383806A (en) | 2019-10-25 |
| CN110383806B CN110383806B (en) | 2021-06-08 |
Family
ID=65633438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780087914.8A Expired - Fee Related CN110383806B (en) | 2017-09-11 | 2017-12-22 | Lens device, imaging system, and moving object |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6596740B2 (en) |
| CN (1) | CN110383806B (en) |
| WO (1) | WO2019047421A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116009261A (en) * | 2022-12-29 | 2023-04-25 | 业成科技（成都）有限公司 | Head-up display device and vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112492167A (en) * | 2020-11-30 | 2021-03-12 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113452818A (en) * | 2021-06-29 | 2021-09-28 | 维沃移动通信（杭州）有限公司 | Electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952717A (en) * | 2005-10-20 | 2007-04-25 | 索尼株式会社 | Lens barrel |
| CN2938165Y (en) * | 2006-08-29 | 2007-08-22 | 普立尔科技股份有限公司 | Lens tructure with stable automatic focusing function |
| CN101226264A (en) * | 2007-01-17 | 2008-07-23 | 佳能株式会社 | Lens apparatus and image-pickup apparatus |
| WO2014013678A1 (en) * | 2012-07-17 | 2014-01-23 | パナソニック株式会社 | Lens barrel |
| CN104683670A (en) * | 2014-12-26 | 2015-06-03 | 常州市盛和电子有限公司 | Anti-explosion image pickup instrument |
| CN107111094A (en) * | 2014-12-26 | 2017-08-29 | 富士胶片株式会社 | Lens barrel and its control method, camera main-body and its control method and camera and its control method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10221747A (en) * | 1997-02-10 | 1998-08-21 | Asahi Optical Co Ltd | Slide lock device for slide cover of camera |
| JP2006337884A (en) * | 2005-06-06 | 2006-12-14 | Nidec Copal Corp | Lens driving device |
| JP2007264275A (en) * | 2006-03-28 | 2007-10-11 | Fujifilm Corp | Lens drive mechanism |
| JP2009288648A (en) * | 2008-05-30 | 2009-12-10 | Nidec Copal Corp | Lens driver |
| JP2013238659A (en) * | 2012-05-11 | 2013-11-28 | Olympus Imaging Corp | Lens frame driving unit for image capturing device |
| JP6557823B2 (en) * | 2015-01-29 | 2019-08-14 | 多摩川精機株式会社 | Space stabilizer |
-
2017
- 2017-09-11 JP JP2017174032A patent/JP6596740B2/en not_active Expired - Fee Related
- 2017-12-22 CN CN201780087914.8A patent/CN110383806B/en not_active Expired - Fee Related
- 2017-12-22 WO PCT/CN2017/118056 patent/WO2019047421A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952717A (en) * | 2005-10-20 | 2007-04-25 | 索尼株式会社 | Lens barrel |
| CN2938165Y (en) * | 2006-08-29 | 2007-08-22 | 普立尔科技股份有限公司 | Lens tructure with stable automatic focusing function |
| CN101226264A (en) * | 2007-01-17 | 2008-07-23 | 佳能株式会社 | Lens apparatus and image-pickup apparatus |
| WO2014013678A1 (en) * | 2012-07-17 | 2014-01-23 | パナソニック株式会社 | Lens barrel |
| CN104683670A (en) * | 2014-12-26 | 2015-06-03 | 常州市盛和电子有限公司 | Anti-explosion image pickup instrument |
| CN107111094A (en) * | 2014-12-26 | 2017-08-29 | 富士胶片株式会社 | Lens barrel and its control method, camera main-body and its control method and camera and its control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116009261A (en) * | 2022-12-29 | 2023-04-25 | 业成科技（成都）有限公司 | Head-up display device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110383806B (en) | 2021-06-08 |
| WO2019047421A1 (en) | 2019-03-14 |
| JP2019049653A (en) | 2019-03-28 |
| JP6596740B2 (en) | 2019-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110383806A (en) | Lens assembly, camera system and moving body | |
| CN108349593B (en) | Three-axis adjustable small-sized pan-tilt | |
| ES2609599T3 (en) | Anti-shock correction system for curved optical sensor | |
| JP2010175994A (en) | Vibration-proof lens unit and image capturing apparatus | |
| CN109073855A (en) | Optical devices and photographic device | |
| US20170363881A1 (en) | Gimbal adjustment system | |
| CN110325889A (en) | Lens assembly, photographic device, moving body | |
| US20120127576A1 (en) | Anti-vibration actuator and lens unit and camera furnished with same | |
| JP6018331B1 (en) | LENS DEVICE, IMAGING SYSTEM, MOBILE BODY, AND CONTROL METHOD | |
| JP2019066563A (en) | Controller, lens device, imaging apparatus, control method, and program | |
| JP6026695B1 (en) | Control device, moving body, control method, and program | |
| JP6528255B2 (en) | Lens apparatus, imaging system, moving object, and control method | |
| CN109863460A (en) | Control device, photographic device, moving body, control method and program | |
| JP7229719B2 (en) | Image processing system | |
| JP6318455B1 (en) | Control device, imaging device, moving object, control method, and program | |
| CN110352372A (en) | Lens devices, photographic device and moving body | |
| CN113538294B (en) | Method and system for eliminating image motion blur | |
| JP2017224265A (en) | Unmanned aircraft, method for controlling unmanned aircraft, and program | |
| JP2019003035A (en) | Controller, imaging apparatus, imaging system, flight object, control method, and program | |
| JPWO2018198258A1 (en) | Lens barrel, camera body, camera system | |
| JP6543859B1 (en) | IMAGE PROCESSING DEVICE, IMAGING DEVICE, MOBILE OBJECT, IMAGE PROCESSING METHOD, AND PROGRAM | |
| JP6543876B2 (en) | CONTROL DEVICE, IMAGING SYSTEM, MOBILE OBJECT, CONTROL METHOD, AND PROGRAM | |
| US9086530B2 (en) | Optical equipment | |
| JP6788153B2 (en) | Control devices, imaging devices, moving objects, control methods, and programs | |
| JP2020012875A (en) | Imaging apparatus and mobile body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |