CN111741202A - Image forming apparatus with a plurality of image forming units - Google Patents
Image forming apparatus with a plurality of image forming units Download PDFInfo
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- CN111741202A CN111741202A CN202010685312.6A CN202010685312A CN111741202A CN 111741202 A CN111741202 A CN 111741202A CN 202010685312 A CN202010685312 A CN 202010685312A CN 111741202 A CN111741202 A CN 111741202A
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- imaging device
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- bayonet
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- 238000003384 imaging method Methods 0.000 claims abstract description 195
- 230000013011 mating Effects 0.000 claims description 64
- 238000003825 pressing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 16
- 239000002184 metal Substances 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001417935 Platycephalidae Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
An image forming apparatus comprising: the lens bayonet component comprises a locking part, a first matching surface and an electric connection part arranged on the first matching surface, and further comprises an elastic locking mechanism and a circuit switch; when the lens is assembled on the imaging device through being matched with the locking part, the first matching surface is attached to the second matching surface of the lens, and the electric connection part is electrically connected with the electric matching part of the lens. The imaging device and the electric connection part are arranged on the matching surface matched with the lens, and the lens can be fixed on the imaging device in a mechanical clamping mode, so that the internal structure of the imaging device can be simplified, the space utilization rate in the imaging device can be improved, and the size of the imaging device can be reduced.
Description
Technical Field
The present invention relates to the field of camera technologies, and in particular, to an imaging device.
Background
Cameras (such as digital cameras, video cameras, pan-tilt cameras and the like) are widely applied to daily life of people, and convenience is provided for people to record drops in life. Cameras typically include an imaging device and a lens portion, with the lens being removably mounted to the imaging device for ease of carrying or storage of the camera. The mode that current camera lens and imaging device's cooperation mode adopted mechanical card to join in marriage usually links firmly, adopts the mode communication connection of contact between camera lens and the imaging device, and imaging device's contact is located and is connected in the bayonet socket, and it is more so to lead to the structural layout in the imaging device, and shared space is great to make imaging device's structure volume great, can't satisfy the miniaturized development direction of camera.
Disclosure of Invention
The present invention provides an image forming apparatus of a novel structure to solve the above-mentioned technical problems.
According to a first aspect of embodiments of the present invention, there is provided an image forming apparatus including: the lens bayonet component comprises a locking and matching part, a first matching surface and an electric connection part arranged on the first matching surface;
when the lens is assembled on the imaging device by matching with the locking part, the first matching surface is attached to the second matching surface of the lens, and the electric connection part is electrically connected with the electric matching part of the lens; the lens bayonet component comprises a bayonet base fixed on the imaging body and a bayonet cover assembled on the bayonet base, wherein the first matching surface is positioned on the bayonet cover;
the lens bayonet component further comprises an elastic locking mechanism and a circuit switch, wherein the elastic locking mechanism and the circuit switch are arranged between the bayonet base and the bayonet cover body, the elastic locking mechanism comprises a lock pin, and when the lens is assembled on the imaging device, the lock pin protrudes into a lock matching hole on the second matching surface so as to limit the relative rotation between the lens and the imaging device; the circuit switch is electrically connected to a circuit board in the imaging main body, wherein when the lock pin is withdrawn from the locking hole, the elastic locking mechanism acts on the circuit switch to enable the circuit switch to disconnect the electrical connection between the imaging device and the lens.
Optionally, the electrical connection is a resilient contact.
Optionally, the bayonet cap body is of an annular structure, the first fitting surface is a ring surface of the bayonet cap body, and the locking and matching portion is arranged on an inner ring wall of the bayonet cap body.
Optionally, the bayonet cover includes a through hole disposed on the first fitting surface, wherein the electrical connection portion protrudes from the through hole after the lens is assembled to the imaging device.
Optionally, the lens mount assembly further comprises an elastic piece fitted between the mount base and the mount cover;
when the lens is assembled on the imaging device, the limiting part of the lens is abutted against the locking part under the action of the restoring force of the elastic piece.
Optionally, the number of the locking parts is at least two, and a mounting groove is formed between the two locking parts;
the limiting part is assembled in the lens bayonet component from the assembling groove and rotates relative to the imaging device through the lens, so that the limiting part correspondingly abuts against the locking part, and the lens is assembled on the imaging device.
Optionally, the elastic locking mechanism further comprises a locking base and a reset piece assembled between the locking base and the circuit switch, and the locking pin and the reset piece are respectively located on two sides of the locking base;
the lock pin can withdraw from the locking hole under the action of external force, and protrudes into the locking hole in a protruding mode under the action of the reset piece.
Optionally, the elastic locking mechanism further includes a pressing arm extending outward from the locking base and configured to abut against the circuit switch, so that the circuit switch disconnects the electrical connection between the imaging device and the lens.
Optionally, the lens mount assembly further comprises an unlocking mechanism cooperating with the elastic locking mechanism, wherein when an external force is applied, the unlocking mechanism acts on the elastic locking mechanism to withdraw the lock pin from the locking hole.
According to a second aspect of embodiments of the present invention, there is provided an image forming apparatus including: the lens bayonet component comprises a locking and matching part, a first matching surface and an electric connection part arranged on the first matching surface;
when the lens is assembled on the imaging device by matching with the locking part, the first matching surface is attached to the second matching surface of the lens, and the electric connection part is electrically connected with the electric matching part of the lens; the lens bayonet component comprises a bayonet base fixed on the imaging body and a bayonet cover body assembled on the bayonet base; wherein the first mating surface is located on the bayonet cover body;
the lens bayonet component also comprises an elastic piece assembled between the bayonet base and the bayonet cover body; when the lens is assembled on the imaging device, the limiting part of the lens is abutted against the locking part under the action of the restoring force of the elastic piece.
Optionally, the electrical connection is a resilient contact.
Optionally, the bayonet cap body is of an annular structure, the first fitting surface is a ring surface of the bayonet cap body, and the locking and matching portion is arranged on an inner ring wall of the bayonet cap body.
Optionally, the bayonet cover includes a through hole disposed on the first fitting surface, wherein the electrical connection portion protrudes from the through hole after the lens is assembled to the imaging device.
Optionally, the number of the locking parts is at least two, and a mounting groove is formed between the two locking parts;
the limiting part is assembled in the lens bayonet component from the assembling groove and rotates relative to the imaging device through the lens, so that the limiting part correspondingly abuts against the locking part, and the lens is assembled on the imaging device.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the invention designs the imaging device with a novel structure, wherein the electric connection part on the imaging device is arranged on the matching surface matched with the lens, and the lens can be fixed on the imaging device in a mechanical clamping way, so that the internal structure of the imaging device can be simplified, the space utilization rate in the imaging device can be improved, and the volume of the imaging device can be reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a pan-tilt camera according to an exemplary embodiment of the present invention;
FIG. 2 is a schematic structural view of an imaging apparatus incorporating a pan/tilt head support according to an exemplary embodiment of the present invention;
fig. 3 is a schematic configuration diagram showing an image forming apparatus according to an exemplary embodiment of the present invention;
FIG. 4 is an exploded schematic view of an imaging device shown in an exemplary embodiment of the invention;
FIG. 5 is a schematic partial cross-sectional view of an imaging device shown in an exemplary embodiment of the invention;
fig. 6 is a schematic structural diagram of a lens barrel according to an exemplary embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The following describes the imaging device, the camera module and the pan/tilt head camera in detail with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.
As shown in fig. 1 to 6, an image forming apparatus 1 of an embodiment of the present invention includes: the imaging device comprises an imaging body 11 and a lens bayonet component 12 arranged on the imaging body 11, wherein the imaging device 1 is used for being matched with a lens 2 to take a picture. The lens 2 is detachably mounted on the imaging device 1 by being matched with the lens mount assembly 12.
The lens mount assembly 12 includes a locking portion 121, a first mating surface 1241 and an electrical connection portion 122 disposed on the first mating surface 1241, wherein the electrical connection portion 122 is electrically connected to a circuit board in the imaging main body 11. When the lens 2 is assembled to the imaging device 1 by being matched with the locking portion 121, the first matching surface 1241 is attached to the second matching surface 211 of the lens 2, the electrical connection portion 122 is electrically connected to the electrical matching portion 212 of the lens 2, and the electrical matching portion 212 is electrically connected to the circuit board in the lens 2, so that the communication between the lens 2 and the imaging main body 11 is realized, and the imaging main body 11 provides power transmission for the lens 2. In this embodiment, the electrical connection portion 122 and the electrical matching portion 212 are disposed on the matching surface of the imaging device 1 opposite to the lens 2, so as to realize a small-sized bayonet structure of the lens 2, which can meet the requirements of improving the space utilization rate in the lens bayonet component 12, enlarging the area of the image sensor, and meeting the requirements of the imaging device 1 tending to miniaturization development.
Note that, when the lens barrel 2 is assembled to the imaging device 1 by being engaged with the lock engagement portion 121, the first engagement surface 1241 is disposed opposite to the second engagement surface 211. In the present invention, the first mating surface 1241 may partially fit to the second mating surface 211, the first mating surface 1241 may fully fit to the second mating surface 211, or the first mating surface 1241 and the second mating surface 211 are opposite to each other with a limited distance therebetween.
In this embodiment, the lens 2 and the imaging device 1 are fixed by rotation and clamping, wherein when the lens 2 is assembled in the imaging device 1 and rotates to a predetermined position relative to the imaging device 1 to be matched and locked with the locking portion 121, that is, the lens 2 is assembled into the imaging device 1 and then rotates by a limited angle, so that the locking portion 121 is locked on the lens 2, thereby fixing the lens 2 on the imaging device 1, at this time, the first matching surface 1241 is attached to the second matching surface 211 of the lens 2, and the electrical connection portion 122 is electrically connected to the electrical matching portion 212 of the lens 2, thereby completing the installation of the lens 2 and the imaging device 1, and completing the communication connection and power transmission between the two devices.
The electrical connection portion 122 of the present invention is an elastic contact, and the electrical mating portion 212 on the lens 2 is an elastic contact that is correspondingly mated with the electrical connection portion 122, so that the electrical connection portion 122 and the electrical mating portion 212 can be elastically disposed to reduce mutual wear, and prolong the service life of the electrical connection portion 122 and the electrical mating portion 212.
Wherein, the elastic contact comprises a metal contact and a spring connected with the root of the metal contact. In the initial state, the metal contact of the electrical connection portion 122 protrudes out of the first mating face 1241, and the metal contact of the electrical mating portion 212 protrudes out of the second mating face 211, when an external force acts on the electrical connection portion 122 and the electrical mating portion 212, the electrical connection portion 122 can be elastically compressed and retracted into the first mating face 1241, and the electrical mating portion 212 can be elastically compressed and retracted into the second mating face 211, so that when the electrical connection portion 122 and the electrical mating portion 212 are mutually matched, the mutual friction force can be reduced.
In an alternative embodiment, the resilient contact is a rounded configuration such that the electrical connection portion 122 interacts with the electrical mating portion 212 with a mating arcuate profile, thereby further reducing friction when the electrical connection portion 122 and the electrical mating portion 212 are mated. In yet another alternative embodiment, the elastic contact may also be a structure with a flat head at the top end, and the periphery of the flat head of the elastic contact is measured as an arc-shaped guide surface, so that the electrical connection portion 122 and the electrical matching portion 212 are matched and guided with each other to reduce the mutual abutting force, and then the flat heads of the electrical connection portion 122 and the electrical matching portion 212 are in opposite contact with each other, thereby enhancing the stability of the connection between the electrical connection portion 122 and the electrical matching portion 212.
The lens mount assembly 12 includes a mount base 123 fixed to the imaging body 11, and a mount cover 124 attached to the mount base 123. The first mating surface 1241 is located on the bayonet cap 124, and the first mating surface 1241 is a side surface opposite to the lens 2. In this embodiment, the bayonet cover 124 may be fixed to the bayonet base 123 by a screw-fit manner, or may be fixed to the bayonet base 123 by a screw. Preferably, the first mating face 1241 is located at an edge of the bayonet cap 124, so that the electrical connection portion 122 is located at a position that does not occupy a mating space between the lens 2 and the imaging device 1, thereby enlarging an area of the image sensor and reducing a volume of the imaging device 1, and thus the field of application as a carrier is wider, for example: for use on unmanned aerial vehicles, etc.
In an alternative embodiment, the bayonet cap 124 is a ring structure, the first mating surface 1241 is an annular surface of the bayonet cap 124, and the locking portion 121 is disposed on an inner wall of the bayonet cap 124. Correspondingly, the bayonet base 123 is also of a ring structure, and the size of the bayonet cap 124 is matched with that of the bayonet base 123, so that the inside of the ring of the bayonet base 123 and the inside of the ring of the bayonet cap 124 jointly form a mounting space of the lens 2.
The bayonet cap 124 includes a through hole 1242 disposed on the first mating surface 1241, and the through hole 1242 is used for mating with the electrical connection portion 122. That is, in the initial state, the electrical connection portion 122 protrudes from the through hole 1242 by the elastic force; when an external force acts on the electrical connection portion 122, the electrical connection portion 122 may be elastically compressively withdrawn from the through-hole 1242. Wherein, after the lens barrel 2 is assembled to the imaging device 1, the electrical connection portion 122 protrudes from the through hole 1242 for communication connection with the electrical mating portion 212.
In this embodiment, the electrical connection portion 122 is a plurality of arc-shaped elastic contacts, and the arc-shaped elastic contacts are arranged in an arc-shaped manner to match with the annular bayonet cap 124. Correspondingly, the lens 2 is also provided with elastic contacts with the number matched with that of the elastic contacts on the imaging device 1, wherein when the lens 2 is assembled on the imaging device 1, the elastic contacts on the imaging device are correspondingly butted with the elastic contacts on the lens 2 one by one.
In the lens mount assembly 12, the electrical connection portion 122 is connected to the limiting seat 1221, that is, the plurality of elastic contacts are connected to the limiting seat 1221, and the limiting seat 1221 is limited between the mount cover 124 and the mount base 123, so that the electrical connection portion 122 can elastically move relative to the mount cover 124. The bayonet base 123 is provided with an accommodating portion 1231 matched with the limiting seat 1221, and the limiting seat 1221 can be fixed on the bayonet base 123 by means of screws or clamping.
Further, the lens mount assembly 12 further includes an elastic member 125 fitted between the mount base 123 and the mount cover 124, and the elastic member 125 is a ring-shaped structure matched with the mount cover 124. In this embodiment, the elastic member 125 is a metal elastic sheet, and in other embodiments, the elastic member 125 may also be made of elastic materials such as elastic plastics and elastic rubber.
Under the action of the restoring force of the elastic element 125, the position-limiting portion 214 of the lens 2 abuts against the locking portion 121. In this embodiment, when the lens 2 is assembled in the imaging device 1, the lens 2 is pressed toward the imaging device 1, so that the elastic element 125 is deformed to insert the lens 2 into the imaging device 1, and then the lens 2 rotates around the central axis of the lens 2, so that the limiting portion 214 of the lens 2 corresponds to the locking portion 121, and the limiting portion 214 abuts against the locking portion 121 under the restoring force of the elastic element 125, thereby fixing the lens 2.
In the embodiment of the present invention, the number of the locking portions 121 is at least two, and a mounting groove 1211 is formed between each two locking portions 121 for mounting the limiting portion 214 of the lens barrel 2 into the imaging device. The position-limiting part 214 is assembled in the lens mount assembly 12 from the assembly groove 1211, and rotates relative to the imaging device 1 through the lens 2, so that the position-limiting part 214 correspondingly abuts against the locking part 121, and the lens 2 is assembled in the imaging device 1. Preferably, the locking and matching portions 121 are multiple and uniformly distributed on the inner wall of the ring of the bayonet cap 124; correspondingly, the number of the limiting parts 214 on the lens 2 matches the number of the locking parts 121, so that the fixing stability of the lens 2 and the imaging device 1 can be increased.
Further, the lens mount assembly 12 further includes an elastic locking mechanism 126 disposed between the mount base 123 and the mount cover 124, the elastic locking mechanism 126 includes a locking pin 1261, a pin hole 1243 is disposed on the first mating surface 1241 to allow the locking pin 1261 to protrude from the pin hole 1243 and further protrude out of the mount cover 124, and a locking hole 213 is disposed on the second mating surface 211. When the lens 2 is assembled in the imaging device 1, the lock pin 1261 protrudes into the locking hole 213 to limit the relative rotation between the lens 2 and the imaging device 1, so as to ensure the relative locking between the lens 2 and the imaging device 1. In the present invention, the lock pin 1261 protrudes into the locking hole 213, which is a predetermined position where the lens 2 rotates relative to the imaging device 1.
The lens mount assembly 12 further includes a circuit switch 127, and the circuit switch 127 is electrically connected to a circuit board (not shown) in the imaging body 11. When the lock pin 1261 is withdrawn from the locking hole 213 by an external force, the elastic locking mechanism 126 acts on the circuit switch 127, so that the circuit switch 127 disconnects the electrical connection between the imaging device 1 and the lens 1, specifically, disconnects the power transmission between the imaging body 11 and the lens 2, and disconnects the communication connection between the imaging body 11 and the lens 2, thereby enabling the lens 2 to be connected with the imaging device 1 in a hot-swap manner.
Specifically, when the lens 2 is assembled, the second mating surface 211 of the lens 2 abuts against the lock pin 1261, and at this time, the lock pin 1261 is in a pressed state and retreats from the pin hole 1243, so that the elastic locking mechanism 126 triggers the switch, and the circuit switch 127 is turned off, so that the lens 2 is electrically disconnected from the imaging device 1, and the lens 2 and the imaging device 1 are protected. When the lens 2 is mounted in place, the lock pin 1261 protrudes from the pin hole 1243 and is inserted into the locking hole 213, so that the lens 2 is locked with the imaging device 1, and the elastic locking mechanism 126 does not act on the circuit switch 127, and the circuit switch 127 is in an energized state, so that the lens 2 is in communication with the imaging device 1.
The elastic locking mechanism 126 further includes a locking base 1262 and a reset piece 1263 assembled between the locking base 1262 and the circuit switch 127, the locking pin 1261 and the reset piece 1263 are respectively located at two sides of the locking base 1262, the locking base 1262 is limited between the bayonet cover 124 and the circuit switch 127, and the locking pin 1261 realizes elastic movement through cooperation of the reset piece 1263. Specifically, the locking pin 1261 can be withdrawn from the locking hole 213 by an external force and protruded into the locking hole 213 by the reset member 1263. That is, when the reset member 1263 is in the initial state, the locking pin 1261 protrudes from the pin hole 1243; when an external force is applied to the locking pin 1261, the resilient member 125 is in a compressed state, and the locking pin 1261 can be withdrawn from the pin hole 1243. The returning element 1263 is a spring, but may also be a spring plate or a plastic elastic material.
Further, the elastic locking mechanism 126 further includes a pressing arm 1264 extending outward from the locking base 1262, and the pressing arm 1264 is used for abutting against the circuit switch 127, so that the circuit switch 127 disconnects the electrical connection between the imaging device 1 and the lens 1. That is, when the locking pin 1261 is withdrawn from the pin hole 1243 by an external force, the pressing arm 1264 will abut against the circuit switch 127 to trigger the circuit switch 127 to disconnect the electrical connection between the imaging device 1 and the lens 1, specifically, the power transmission between the imaging main body 11 and the lens 2, and also disconnect the communication connection between the imaging main body 11 and the lens 2.
The lens mount assembly 12 of the present invention further includes an unlocking mechanism 128 cooperating with the elastic locking mechanism 126, wherein when the unlocking mechanism 128 is acted upon by an external force, the elastic locking mechanism 126 is acted upon to withdraw the lock pin 1261 from the locking hole 213, so as to release the restriction of the relative rotation between the imaging device 1 and the lens 2, thereby enabling the lens 2 to be detached from the imaging device 1.
In an alternative embodiment, the unlocking mechanism 128 includes an unlocking button 1281 and a spring 1282 connected between the unlocking button 1281 and the imaging body 11, the unlocking button 1281 including a wedge-shaped block. The resilient locking mechanism 126 further comprises a pull rod 1265 at the locking base 1262 facing the imaging body 11, the free end of the pull rod 1265 being provided with a wedge surface cooperating with a wedge block of the unlocking button 1281. When the unlocking button 1281 is pressed, the spring 1282 is in a compressed state, the wedge block abuts against the wedge surface of the pull rod 1265, so that the pull rod 1265 moves towards the imaging main body 11, at the moment, the lock pin 1261 gradually retracts into the bayonet cover 124, so that the lock pin 1261 withdraws from the locking hole 213, and the relative rotation between the imaging device 1 and the lens 2 is released. After the external force on the unlocking button 1281 is removed, the unlocking button 1281 is restored to the initial state by the restoring force of the spring 1282, the unlocking button 1281 is no longer applied to the pull rod 1265, and the elastic locking mechanism 126 is protruded out of the bayonet cap 124 and further into the locking hole 213 by the restoring force of the restoring member 1263.
In the process of assembling the lens 2 and the imaging device 1, the lens 2 corresponds to the assembling position of the imaging device 1, at this time, the first matching surface 1241 is attached to the second matching surface 211 relatively, the lock pin 1261 on the imaging device 1 is abutted to the withdrawing pin hole 1243 by the second matching surface 211, then the limiting part 214 is assembled into the accommodating cavity of the imaging device 1 from the assembling groove 1211, the lens 2 rotates by taking the central axis of the lens 2 as an axis, so that the limiting part 214 is abutted to the locking part 121 correspondingly, at this time, the lock pin 1261 is opposite to the locking hole 213, and the lock pin 1261 protrudes into the locking hole 213 in a protruding manner under the action of the reset piece 1263, so that the lens 2 is locked with the imaging device 1. In the process of detaching the lens 2 from the imaging device 1, by pressing the unlocking button 1281 of the unlocking mechanism 128, the pulling rod 1265 is driven by the unlocking button 1281 to link the locking pin 1261 to withdraw from the locking hole 213 and further withdraw from the pin hole 1243, so that the restriction of the relative rotation between the imaging device 1 and the lens 2 is removed, at this time, the lens 2 can be rotated by taking the central axis of the lens 2 as a shaft, so that the limiting part 214 is separated from the locking part 121 and corresponds to the assembling groove 1211, and finally, the lens 2 can be withdrawn from the imaging device 1, so that the detachment of the lens 2 and the imaging device 1 is completed.
The invention designs the imaging device with a novel structure, wherein the electric connection part on the imaging device is arranged on the matching surface matched with the lens, and the lens can be fixed on the imaging device in a mechanical clamping way, so that the internal structure of the imaging device can be simplified, the space utilization rate in the imaging device can be improved, the volume of the imaging device can be reduced, and the imaging device can meet the thought of miniaturization design.
As shown in fig. 1 to 6, according to another aspect of the embodiment of the present invention, there is provided a camera module 10, where the camera module 10 includes: the imaging device 1 and the lens 2 detachably mounted on the imaging device 1 in the above embodiments, the structural features of the imaging device 1 have been described in the above embodiments, and are not repeated herein, and the features mentioned above that the lens 2 and the imaging device 1 are correspondingly matched are also applicable to the lens 2 in the camera module 10 of the present invention.
The lens 2 includes a bayonet fitting 21, and the bayonet fitting 21 includes a second fitting 211 and an electrical fitting 212 disposed on the second fitting 211. When the lens 2 is assembled to the imaging device 1 by being matched with the locking portion 121 of the imaging device 1, the first mating surface 1241 of the imaging device 1 is attached to the second mating surface 211, and the electrical connection portion 122 of the imaging device 1 is electrically connected to the electrical mating portion 212. In this embodiment, the arrangement structure and the position of the second mating surface 211 on the lens 2 correspond to the first mating surface 1241 on the imaging device 1. Preferably, the first mating surface 1241 and the second mating surface 211 are both annular structures and are disposed on the opposite side surfaces of the lens 2 and the imaging device 1, so that the internal assembly space of the imaging device 1 is not occupied, the purpose of reducing the size of the imaging device 1 can be achieved, and correspondingly, the lens 2 can also be reduced in size.
In the present invention, the electrical connection portion 122 and the electrical mating portion 212 are elastic contacts that are correspondingly mated with each other. Therefore, the service life of the electrical connection part 122 and the electrical matching part 212 can be prolonged by the elastic arrangement of the electrical connection part 122 and the electrical matching part 212 to reduce mutual abrasion.
Wherein, the elastic contact comprises a metal contact and a spring connected with the root of the metal contact. In the initial state, the metal contact of the electrical connection portion 122 protrudes out of the first mating face 1241, and the metal contact of the electrical mating portion 212 protrudes out of the second mating face 211, when an external force acts on the electrical connection portion 122 and the electrical mating portion 212, the electrical connection portion 122 can be elastically compressed and retracted into the first mating face 1241, and the electrical mating can be elastically compressed and retracted into the second mating face 211, so that when the electrical connection portion 122 and the electrical mating portion 212 are mated with each other, the friction force therebetween can be reduced.
In an alternative embodiment, the resilient contact is a rounded configuration such that the electrical connection portion 122 interacts with the electrical mating portion 212 with a mating arcuate profile, thereby further reducing friction when the electrical connection portion 122 and the electrical mating portion 212 are mated. In yet another alternative embodiment, the elastic contact may also be a structure with a flat head at the top end, and the periphery of the flat head of the elastic contact is measured as an arc-shaped guide surface, so that the electrical connection portion 122 and the electrical matching portion 212 are matched and guided with each other to reduce the mutual abutting force, and then the flat heads of the electrical connection portion 122 and the electrical matching portion 212 are in opposite contact with each other, thereby enhancing the stability of the connection between the electrical connection portion 122 and the electrical matching portion 212.
Further, the bayonet fitting component 21 further includes a limiting portion 214 engaged with the locking portion 121, wherein after the lens 2 is assembled in the imaging device 1, the limiting portion 214 abuts against the locking portion 121. Further, the bayonet fitting assembly 21 further includes a locking hole 213 disposed on the second fitting surface 211, wherein the locking hole 213 is configured to cooperate with a locking pin 1261 of the imaging device 1 to lock the lens 2 with the imaging device 1. That is, in the process of assembling the lens 2 and the imaging device 1, when the lens 2 is inserted into the imaging device 1 and rotated to make the position-limiting portion 214 correspondingly abut against the locking portion 121, the locking hole 213 is aligned with the lock pin 1261 of the imaging device 1, so that the lock pin 1261 protrudes into the locking hole 213 to limit the relative rotation between the lens 2 and the imaging device 1, thereby locking the lens 2 to the imaging device 1.
In the embodiment of the camera module 10 of the invention, during the process of assembling the lens 2 and the imaging device 1, the lens 2 corresponds to the assembling position of the imaging device 1, at this time, the first mating surface 1241 and the second mating surface 211 are relatively attached, the lock pin 1261 on the imaging device 1 is abutted by the second mating surface 211 to withdraw from the pin hole 1243, then the limiting portion 214 is assembled into the accommodating cavity of the imaging device 1 from the assembling groove 1211, and the lens 2 rotates around the central axis of the lens 2 as the axis, so that the limiting portion 214 is correspondingly abutted to the lock-assembling portion 121, at this time, the lock pin 1261 is aligned to the lock-assembling hole 213, the lock pin 1261 protrudes into the lock-assembling hole 213 under the effect of the reset piece 1263, and thus the lens 2 and the imaging device 1 are locked. In the process of detaching the lens 2 from the imaging device 1, by pressing the unlocking button 1281 of the unlocking mechanism 128, the pulling rod 1265 is driven by the unlocking button 1281 to link the locking pin 1261 to withdraw from the locking hole 213 and further withdraw from the pin hole 1243, so that the restriction of the relative rotation between the imaging device 1 and the lens 2 is released, at this time, the lens 2 can be rotated by taking the central axis of the lens 2 as a shaft, so that the limiting part 214 is separated from the locking part 121 and corresponds to the assembling groove 1211, and finally, the lens 2 can be withdrawn from the imaging device 1, so that the detachment of the lens 2 and the imaging device 1 is completed.
The invention also designs a camera module which comprises an imaging device and a lens, wherein the electric connection part on the imaging device is arranged on a matching surface matched with the lens, and the lens can be fixed on the imaging device in a mechanical clamping way, so that the internal structure of the imaging device can be simplified, the space utilization rate in the imaging device can be improved, the volume of the imaging device can be reduced, and the thought of the miniaturized design of the camera module is met.
Referring again to fig. 1 to 6, according to still another aspect of the embodiment of the present invention, there is provided a pan-tilt camera 100, the pan-tilt camera 100 including: the pan/tilt head mount 101 and the camera module 10 in the above embodiments; the camera module 10 includes: the imaging apparatus 1 in the above-described embodiment, and the lens 2 detachably attached to the imaging apparatus 1. For structural features and matching manners of the imaging device 1 and the lens 2, please refer to the above embodiments, which will not be repeated herein.
Further, the types of the pan/tilt head holder 101 include: single-axis, double-axis or multi-axis pan-tilt support. In this embodiment, the pan-tilt support 101 is a three-axis pan-tilt support, the three-axis pan-tilt support includes a yaw axis assembly 102 movably connected to the assembly carrier, a roll axis assembly 103 movably connected to the yaw axis assembly 102, and a pitch axis assembly 104 movably connected to the roll axis assembly 103, and the camera module 10 is mounted on the pitch axis assembly 104. Wherein, this cloud platform support 101's assembly carrier can be for unmanned vehicles, handheld cloud platform equipment such as.
In this embodiment, the yaw axis assembly 102 controls the yaw motion of the camera module 10 through the yaw motor, the roll axis assembly 103 controls the roll motion of the camera module 10 through the roll axis motor, and the pitch axis assembly 104 controls the pitch motion of the camera module 10 through the pitch axis motor, so that the camera module 10 can be controlled to shoot at different shooting angles, and the position of the camera module 10 can be adjusted according to the required shooting angle.
In the embodiment of the pan-tilt camera 100 of the invention, in the process of assembling the lens 2 and the imaging device 1, the lens 2 corresponds to the assembling position of the imaging device 1, at this time, the first mating surface 1241 and the second mating surface 211 are relatively attached, the lock pin 1261 on the imaging device 1 is abutted by the second mating surface 211 to withdraw from the pin hole 1243, then the limiting portion 214 is assembled into the accommodating cavity of the imaging device 1 from the assembling groove 1211, and the lens 2 rotates around the central axis of the lens 2 as an axis, so that the limiting portion 214 is correspondingly abutted to the lock-assembling portion 121, at this time, the lock pin 1261 is aligned to the lock-assembling hole 213, the lock pin 1261 protrudes into the lock-assembling hole 213 under the effect of the reset piece 1263, and thus the lens 2 is locked with the imaging device 1. In the process of detaching the lens 2 from the imaging device 1, by pressing the unlocking button 1281 of the unlocking mechanism 128, the pulling rod 1265 is driven by the unlocking button 1281 to link the locking pin 1261 to withdraw from the locking hole 213 and further withdraw from the pin hole 1243, so that the restriction of the relative rotation between the imaging device 1 and the lens 2 is removed, at this time, the lens 2 can be rotated by taking the central axis of the lens 2 as a shaft, so that the limiting part 214 is separated from the locking part 121 and corresponds to the assembling groove 1211, and finally, the lens 2 can be withdrawn from the imaging device 1, so that the detachment of the lens 2 and the imaging device 1 is completed.
The invention designs the imaging device, the camera module and the pan-tilt camera, the electric connection part on the imaging device is arranged on the matching surface matched with the lens, and the lens can be fixed on the imaging device in a mechanical clamping way, so that the internal structure of the imaging device can be simplified, the space utilization rate in the imaging device can be improved, the volume and the weight of the imaging device can be reduced, and the imaging device, the camera module and the pan-tilt camera can be better adapted to the pan-tilt camera.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method and apparatus provided by the embodiments of the present invention are described in detail above, and the principle and the embodiments of the present invention are explained in detail herein by using specific examples, and the description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
The disclosure of this patent document contains material which is subject to copyright protection. The copyright is owned by the copyright owner. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the patent and trademark office official records and records.
Claims (14)
1. An image forming apparatus, comprising: the lens bayonet component comprises a locking and matching part, a first matching surface and an electric connection part arranged on the first matching surface;
when the lens is assembled on the imaging device by matching with the locking part, the first matching surface is attached to the second matching surface of the lens, and the electric connection part is electrically connected with the electric matching part of the lens; the lens bayonet component comprises a bayonet base fixed on the imaging body and a bayonet cover assembled on the bayonet base, wherein the first matching surface is positioned on the bayonet cover;
the lens bayonet component further comprises an elastic locking mechanism and a circuit switch, wherein the elastic locking mechanism and the circuit switch are arranged between the bayonet base and the bayonet cover body, the elastic locking mechanism comprises a lock pin, and when the lens is assembled on the imaging device, the lock pin protrudes into a lock matching hole on the second matching surface so as to limit the relative rotation between the lens and the imaging device; the circuit switch is electrically connected to a circuit board in the imaging main body, wherein when the lock pin is withdrawn from the locking hole, the elastic locking mechanism acts on the circuit switch to enable the circuit switch to disconnect the electrical connection between the imaging device and the lens.
2. The imaging apparatus of claim 1, wherein the electrical connection is a resilient contact.
3. The imaging device of claim 1, wherein the bayonet cap is an annular structure, the first mating surface is an annular surface of the bayonet cap, and the locking portion is disposed on an inner annular wall of the bayonet cap.
4. The imaging device of claim 1, wherein the bayonet cap includes a through hole disposed on the first mating surface, wherein the electrical connection protrudes from the through hole after the lens is assembled to the imaging device.
5. The imaging apparatus of claim 1, wherein the lens mount assembly further comprises a resilient member fitted between the mount base and the mount cover;
when the lens is assembled on the imaging device, the limiting part of the lens is abutted against the locking part under the action of the restoring force of the elastic piece.
6. The imaging apparatus according to claim 5, wherein the number of the locking portions is at least two, and a fitting groove is formed between the two locking portions;
the limiting part is assembled in the lens bayonet component from the assembling groove and rotates relative to the imaging device through the lens, so that the limiting part correspondingly abuts against the locking part, and the lens is assembled on the imaging device.
7. The imaging apparatus of claim 1, wherein the elastic locking mechanism further comprises a locking base and a reset member assembled between the locking base and the circuit switch, the locking pin and the reset member being respectively located at both sides of the locking base;
the lock pin can withdraw from the locking hole under the action of external force, and protrudes into the locking hole in a protruding mode under the action of the reset piece.
8. The imaging device of claim 1, wherein the elastic locking mechanism further comprises a pressing arm extending outward from the locking base and configured to abut against the circuit switch, so that the circuit switch disconnects the electrical connection between the imaging device and the lens.
9. The imaging device of claim 1, wherein the lens mount assembly further comprises an unlocking mechanism cooperating with the resilient locking mechanism, wherein upon application of an external force, the unlocking mechanism acts on the resilient locking mechanism to withdraw the locking pin from the locking hole.
10. An image forming apparatus, comprising: the lens bayonet component comprises a locking and matching part, a first matching surface and an electric connection part arranged on the first matching surface;
when the lens is assembled on the imaging device by matching with the locking part, the first matching surface is attached to the second matching surface of the lens, and the electric connection part is electrically connected with the electric matching part of the lens; the lens bayonet component comprises a bayonet base fixed on the imaging body and a bayonet cover body assembled on the bayonet base; wherein the first mating surface is located on the bayonet cover body;
the lens bayonet component also comprises an elastic piece assembled between the bayonet base and the bayonet cover body; when the lens is assembled on the imaging device, the limiting part of the lens is abutted against the locking part under the action of the restoring force of the elastic piece.
11. The imaging apparatus of claim 10, wherein the electrical connection is a resilient contact.
12. The imaging device of claim 10, wherein the bayonet cap is an annular structure, the first mating surface is an annular surface of the bayonet cap, and the locking portion is disposed on an inner annular wall of the bayonet cap.
13. The imaging device of claim 10, wherein the bayonet cap includes a through hole disposed on the first mating surface, wherein the electrical connection protrudes from the through hole after the lens is assembled to the imaging device.
14. The imaging apparatus according to claim 10, wherein the number of the locking portions is at least two, and a fitting groove is formed between the two locking portions;
the limiting part is assembled in the lens bayonet component from the assembling groove and rotates relative to the imaging device through the lens, so that the limiting part correspondingly abuts against the locking part, and the lens is assembled on the imaging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685312.6A CN111741202B (en) | 2017-10-11 | 2017-10-11 | Image forming apparatus with a plurality of image forming units |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/105770 WO2019071497A1 (en) | 2017-10-11 | 2017-10-11 | Imaging device, camera module, and pan-tilt-zoom camera |
| CN202010685312.6A CN111741202B (en) | 2017-10-11 | 2017-10-11 | Image forming apparatus with a plurality of image forming units |
| CN201780005713.9A CN108513707B (en) | 2017-10-11 | 2017-10-11 | Imaging device, camera module and pan-tilt camera |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780005713.9A Division CN108513707B (en) | 2017-10-11 | 2017-10-11 | Imaging device, camera module and pan-tilt camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111741202A true CN111741202A (en) | 2020-10-02 |
| CN111741202B CN111741202B (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780005713.9A Active CN108513707B (en) | 2017-10-11 | 2017-10-11 | Imaging device, camera module and pan-tilt camera |
| CN202010685312.6A Expired - Fee Related CN111741202B (en) | 2017-10-11 | 2017-10-11 | Image forming apparatus with a plurality of image forming units |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780005713.9A Active CN108513707B (en) | 2017-10-11 | 2017-10-11 | Imaging device, camera module and pan-tilt camera |
Country Status (2)
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|---|---|
| CN (2) | CN108513707B (en) |
| WO (1) | WO2019071497A1 (en) |
Families Citing this family (2)
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| WO2020107339A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Camera module and method for assembling same, image transmission device, and movable platform |
| JP7110530B1 (en) * | 2021-04-02 | 2022-08-02 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッド | Mount and imaging system |
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- 2017-10-11 CN CN201780005713.9A patent/CN108513707B/en active Active
- 2017-10-11 WO PCT/CN2017/105770 patent/WO2019071497A1/en active Application Filing
- 2017-10-11 CN CN202010685312.6A patent/CN111741202B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108513707A (en) | 2018-09-07 |
| WO2019071497A1 (en) | 2019-04-18 |
| CN108513707B (en) | 2020-08-14 |
| CN111741202B (en) | 2021-12-24 |
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Granted publication date: 20211224 |