CN215499219U - Video camera - Google Patents

Abstract

The present invention relates to a camera. A camera comprises a lens component, an image sensor component and an adjusting component, wherein the image sensor component is rotatably arranged on the lens component, and the adjusting component is fixedly arranged on the lens component; the image sensor assembly comprises an inclined plane block, the inclined plane block is arranged on one side, close to the adjusting assembly, of the image sensor assembly, the adjusting assembly is abutted to the inclined plane block and can slide along the inclined plane block, and therefore the image sensor assembly is pushed to rotate relative to the lens assembly in the process that the adjusting assembly moves along the inclined plane block. The camera pushes the image sensor component to rotate relative to the lens component by the adjusting component which is abutted against the inclined plane block and slides along the inclined plane block, so that the depth of field is adjusted; the camera has wide field depth range, can ensure global clearness, does not change the included angle between the lens and the window glass, and does not have the problem of corner shadow.

Description

Video camera

Technical Field

The utility model relates to the technical field of cameras, in particular to a camera.

Background

In a general camera, an image sensor is rigidly fixed at the tail of a lens, and the purpose of zooming and focusing is achieved through the change of the lens. However, when the camera is mounted obliquely downward, there arises a problem that the depth of field is too small to be globally clear. Some cameras have rotatable lenses to solve the above problems, but the angle between the lens and the window glass is changed when the lens is rotated, resulting in the occurrence of shadow at the corners.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a camera with a large depth of field without changing the angle between the lens and the window glass.

The utility model provides a camera, which comprises a lens component, an image sensor component and an adjusting component, wherein the image sensor component is rotatably arranged on the lens component; the image sensor component comprises an inclined plane block, the inclined plane block is arranged on one side, close to the adjusting component, of the image sensor component, the adjusting component is abutted to the inclined plane block and can slide along the inclined plane block, and therefore the adjusting component pushes the image sensor component to rotate relative to the lens component in the moving process of the inclined plane block.

According to the camera provided by the utility model, the adjusting component is abutted against the inclined plane block and slides along the inclined plane block, so that the image sensor component is pushed to rotate relative to the lens component, and the depth of field is adjusted; the camera has wide field depth range, can ensure global clearness, does not change the included angle between the lens and the window glass, and does not have the problem of corner shadow.

In one embodiment, the lens assembly includes a lens and a bayonet mount, the bayonet mount includes a rotating portion, the rotating portion is disposed on one side of the bayonet mount close to the image sensor assembly, the lens is disposed on the other side of the bayonet mount, the image sensor assembly further includes a fixing plate, the fixing plate is rotatably connected with the rotating portion, and the bevel block is disposed on the fixing plate.

So set up, when the adjustment subassembly slided along the inclined plane piece, promote the fixed plate and rotate for the rotation portion on the bayonet socket, the fixed plate can improve the stability of mechanism operation in-process with the bayonet socket.

In one embodiment, the rotating portion protrudes from the bayonet holder toward the image sensor assembly, the rotating portion is provided with a rotating hole, the fixing plate includes a protrusion protruding from the fixing plate toward the bayonet holder, the protrusion is provided with a through hole, and the rotating hole is rotatably connected with the through hole through a rotating shaft screw.

Due to the arrangement, the rotating shaft screw limits the rotating center of the fixing plate, so that the rotating stability of the fixing plate is improved; meanwhile, the lug and the rotating part are arranged in a protruding mode, and space is provided for the adjusting assembly.

In one embodiment, the number of the rotating parts is two, the two rotating parts are located in the middle of two sides of the bayonet seat, the number of the protruding blocks is two, and each protruding block corresponds to one rotating part.

So set up, two rotation portions correspond the setting with two lugs, further improve fixed plate pivoted stability, guarantee to shoot the effect.

In one embodiment, the bayonet socket further comprises a support part, the rotating part is arranged on one side of the support part close to the image sensor assembly, and a lens opening is arranged in the center of the support part for assembling the lens.

So set up, the camera lens can be installed to the lens mouth on the supporting part, improves the stability of camera lens at the mechanism operation in-process, guarantees the shooting effect.

In one embodiment, the adjustment assembly further includes a sliding block, a motor base, a motor, and a lead screw, the motor base is fixedly disposed on the side of the support portion close to the image sensor assembly, the motor is disposed on the motor base, the lead screw is in transmission connection with the motor, the sliding block is in slidable connection with the lead screw through a thread, and the sliding block abuts against the slope block.

So set up, the motor drive lead screw rotates, and the sliding block is through the screw thread side effect with the lead screw along lead screw axial slip, sliding block butt in the sloping piece simultaneously to the sliding block promotes the fixed plate and rotates for the bayonet socket.

In one embodiment, the adjusting assembly further includes an orientation rod, two ends of the orientation rod are respectively disposed on the motor base and the motor, the orientation rod is disposed parallel to the lead screw, and the sliding block is slidably connected to the orientation rod.

So set up, the slide block is further injectd to the orientation lever along lead screw endwise slip, improves the gliding stability of slide block, improves the fixed plate simultaneously and for bayonet socket pivoted stability.

In one embodiment, the adjusting assembly further includes two elastic members, the two elastic members are respectively disposed on two sides of the adjusting assembly, and two ends of each elastic member are respectively disposed on the supporting portion and the fixing plate.

The elastic piece elastically acts on the fixed plate, and when the fixed plate rotates to an inclined state relative to the bayonet seat, the elastic piece is in a stretching state; when the sliding block slides and resets, the elastic piece drives the fixed plate to rotate to a parallel state relative to the bayonet seat through the elastic action to reset; simultaneously, two elastic component can further improve the fixed plate and rotate or the stability when reseing for the bayonet socket.

In one embodiment, the image sensor assembly further includes a main board and a sensor, the main board is fixedly disposed on the fixing plate away from the lens side, and the sensor is fixedly disposed on the fixing plate close to the lens side.

So set up, mainboard and sensor rotate along with the fixed plate, change the angle between mainboard and the sensor and the camera lens to the adjustment depth of field size.

In one embodiment, the image sensor assembly further includes a cover body, two ends of the cover body are respectively disposed on the supporting portion and the fixing plate, and a middle portion of the cover body is hollow; one side opening of the cover body is opposite to the lens opening, and the other side opening of the cover body is opposite to the sensor.

So set up, the cover body can carry out shading and dustproof to the sensor, prevents that external light from penetrating into or the dust from getting into the cover internally and influencing the final shooting effect.

In one embodiment, the cover is a resilient silicone member.

So set up, can guarantee all the time that cover body both sides opening and supporting part and fixed plate are laminated completely at the fixed plate rotation in-process to silica gel spare stable in quality, the cost of manufacture is low.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a camera according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a camera according to the present invention;

FIG. 3 is a schematic illustration of the exploded structure of FIG. 1 provided by the present invention;

FIG. 4 is a schematic illustration of the exploded structure of FIG. 2 provided by the present invention;

FIG. 5 is a schematic perspective view of the adjustment assembly of FIG. 2 according to the present invention;

FIG. 6 is a schematic structural view of the bottom view of FIG. 1 according to the present invention;

FIG. 7 is a schematic structural diagram of the image sensor assembly of FIG. 6 provided in accordance with the present invention when the image sensor assembly is not rotated;

FIG. 8 is a schematic structural diagram of the main viewing angle of FIG. 1 according to the present invention;

fig. 9 is a schematic structural diagram of the image sensor assembly of fig. 8 after rotation according to the present invention.

Description of the main elements

1. A lens assembly; 11. a bayonet mount; 111. a rotating part; 1111. rotating the hole; 112. a support portion; 1121. a lens opening; 12. a lens; 2. an image sensor assembly; 21. a bevel block; 22. a fixing plate; 221. a bump; 2211. a through hole; 23. a main board; 24. a sensor; 25. a cover body; 3. an adjustment assembly; 31. a slider; 32. a motor base; 33. a motor; 34. a lead screw; 35. an orientation bar; 36. an elastic member; 4. a spindle screw.

The present invention is described in further detail with reference to the drawings and the detailed description.

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.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

In the related prior art, when the camera is obliquely installed downwards, the problem that the overall definition cannot be realized due to too small depth of field occurs; or the size of the depth of field is changed by arranging the rotatable lens, but the included angle between the lens and the window glass can be changed when the lens rotates, so that the problem of shadow at corners is caused.

In order to solve the above problems, as shown in fig. 1 to 9, the present invention provides a camera, which adjusts the depth of field by rotating an image sensor assembly to change an included angle between a lens and the image sensor assembly, so as to ensure overall clarity, without changing the included angle between the lens and a window glass, and without generating a shadow around the corner.

As shown in fig. 1 and 2, specifically, the camera includes a lens assembly 1, an image sensor assembly 2 and an adjustment assembly 3, wherein the image sensor assembly 2 is rotatably mounted on the lens assembly 1, and the adjustment assembly 3 is fixedly mounted on the lens assembly 1; the image sensor assembly 2 comprises a slope block 21, the slope block 21 is arranged on one side of the image sensor assembly 2 close to the adjusting assembly 3, the adjusting assembly 3 is abutted to the slope block 21 and can slide along the slope block 21 so as to push the image sensor assembly 2 to rotate relative to the lens assembly 1 in the process that the adjusting assembly 3 moves along the slope block 21, and the image sensor assembly 2 is pushed to rotate relative to the lens assembly 1 by the adjusting assembly 3 being abutted to the slope block 21 and sliding along the slope block 21, so that the depth of field is adjusted; the camera has wide field depth range, can ensure global clearness, does not change the included angle between the lens and the window glass, and does not have the problem of corner shadow.

As shown in fig. 1, in an embodiment, the lens assembly 1 includes a lens 12 and a bayonet mount 11, the bayonet mount 11 includes a rotating portion 111, the rotating portion 111 is disposed on one side of the bayonet mount 11 close to the image sensor assembly 2, the lens 12 is disposed on the other side of the bayonet mount 11, the image sensor assembly 2 further includes a fixing plate 22, the fixing plate 22 is rotatably connected to the rotating portion 111, and the inclined plane block 21 is disposed on the fixing plate 22. When the adjusting component 3 slides along the inclined plane block 21, the fixing plate 22 is pushed to rotate relative to the rotating part 111 on the bayonet socket 11, and the fixing plate 22 and the bayonet socket 11 can improve the stability of the mechanism in the operation process.

As shown in fig. 3 and 4, in an embodiment, the rotating portion 111 protrudes from the bayonet holder 11 toward the image sensor assembly 2, the rotating portion 111 is provided with a rotating hole 1111, the fixing plate 22 includes a protrusion 221 protruding from the fixing plate 22 toward the bayonet holder 11, the protrusion 221 is provided with a through hole 2211, and the rotating hole 1111 and the through hole 2211 are rotatably connected by a rotating shaft screw 4. The rotating shaft screw 4 limits the rotating center of the fixing plate 22, and improves the rotating stability of the fixing plate 22; meanwhile, the protrusion 221 and the rotating part 111 are protruded to provide a space for the adjustment assembly 3.

In an embodiment, there are two rotating portions 111, two rotating portions 111 are located in the middle of two sides of the bayonet socket 11, there are two protrusions 221, and each protrusion 221 corresponds to one rotating portion 111. The two rotating parts 111 are arranged corresponding to the two bumps 221, so that the stability of rotation of the fixing plate 22 is further improved, and the shooting effect is ensured.

As shown in fig. 3, in an embodiment, the bayonet holder 11 further includes a supporting portion 112, the rotating portion 111 is disposed on a side of the supporting portion 112 close to the image sensor assembly 2, and a lens opening 1121 is disposed at a center of the supporting portion 112 for assembling the lens 12. The lens opening 1121 on the supporting portion 112 can be used for installing the lens 12, so that the stability of the lens 12 in the mechanism operation process is improved, and the shooting effect is ensured.

Further, the lens 12 is detachably disposed in the lens opening 1121, so that a user can select to mount different lenses 12 according to needs, thereby improving compatibility.

Further, the lens 12 is butted with the lens opening 1121 in a CS manner, so as to further improve the stability of the lens 12, and ensure that the lens 12 is convenient to mount and dismount.

In another embodiment, the lens 12 is butted with the lens opening 1121 in other bayonet ways, so as to ensure that the lens 12 is convenient to mount and dismount.

As shown in fig. 5, in an embodiment, the adjusting assembly 3 further includes a sliding block 31, a motor base 32, a motor 33, and a lead screw 34, the motor base 32 is fixedly disposed on the side of the supporting portion 112 close to the image sensor assembly 2, the motor 33 is disposed on the motor base 32, the lead screw 34 is in transmission connection with the motor 33, the sliding block 31 is in slidable connection with the lead screw 34 through a thread, and the sliding block 31 abuts against the inclined plane block 21. The motor 33 drives the lead screw 34 to rotate, the sliding block 31 slides along the axial direction of the lead screw 34 through a thread side effect with the lead screw 34, and meanwhile, the sliding block 31 abuts against the inclined plane block 21, so that the sliding block 31 pushes the fixing plate 22 to rotate relative to the bayonet holder 11.

Further, the motor 33 can drive the slide block 31 to stop at any position of the lead screw 34, thereby adjusting the rotation angle of the fixing plate 22 relative to the bayonet mount 11.

In an embodiment, the adjusting assembly 3 further includes a directional rod 35, two ends of the directional rod 35 are respectively disposed on the motor base 32 and the motor 33, the directional rod 35 is disposed parallel to the lead screw 34, and the sliding block 31 is slidably connected to the directional rod 35. The orientation rod 35 further limits the sliding of the sliding block 31 along the axial direction of the lead screw 34, and improves the stability of the sliding block 31 and the stability of the rotation of the fixing plate 22 relative to the bayonet mount 11.

As shown in fig. 1 to 4, in an embodiment, the adjusting assembly 3 further includes two elastic members 36, the two elastic members 36 are respectively disposed at two sides of the adjusting assembly 3, and two ends of each elastic member 36 are respectively disposed at the supporting portion 112 and the fixing plate 22. The elastic element 36 elastically acts on the fixing plate 22, and when the fixing plate 22 rotates to an inclined state relative to the bayonet socket 11, the elastic element 36 is in a stretching state; after the sliding block 31 slides and resets, the elastic element 36 drives the fixing plate 22 to rotate to a parallel state and reset relative to the bayonet holder 11 through the elastic force; at the same time, the two elastic members 36 can further improve the stability of the fixing plate 22 when rotating or resetting relative to the bayonet holder 11.

As shown in fig. 3 and 4, in an embodiment, the image sensor assembly 2 further includes a main board 23 and a sensor 24, the main board 23 is fixed on the side of the fixing plate 22 away from the lens 12, and the sensor 24 is fixed on the side of the fixing plate 22 close to the lens 12. The main board 23 and the sensor 24 rotate with the fixing board 22, and the angle between the main board 23 and the sensor 24 and the lens 12 is changed, so as to adjust the depth of field.

In one embodiment, the sensor 24 is a CMOS sensor.

In another embodiment, the sensor 24 is a CCD sensor.

Further, the main board 23 is rigidly fixed to the fixing plate 22, so that the main board 23 is prevented from loosening or falling off to influence the shooting effect.

In an embodiment, the image sensor assembly 2 further includes a cover 25, two ends of the cover 25 are respectively disposed on the supporting portion 112 and the fixing plate 22, and a middle portion of the cover 25 is hollow; the cover 25 has an opening aligned with the lens opening 1121 on one side and aligned with the sensor 24 on the other side. The cover 25 can shield light and dust from the sensor 24, and prevent the influence of external light or dust on the shooting effect caused by the entrance of dust into the cover 25.

In one embodiment, the cover 25 is a resilient silicone member. Can guarantee the both sides opening of cover body 25 and supporting part 112 and the complete laminating of fixed plate 22 all the time in fixed plate 22 rotation process to silica gel spare stable in quality, the cost of manufacture is low.

As shown in fig. 6 and 7, when the sliding block 31 abuts against the bottom end of the inclined block 21, the angle α between the fixed plate 22 and the bayonet mount 11 is 0 °, that is, the fixed plate 22 and the bayonet mount 11 are parallel, the elastic element 36 is in a normal stretching state and does not act on the fixed plate 22, and the optical axis of the lens 12 is perpendicular to the plane of the image sensor assembly 2, so that the function of full depth of field is not implemented.

As shown in fig. 8 and 9, when the sliding block 31 slides away from the bottom end of the inclined block 21 and abuts against other positions of the inclined block 21, the protrusion 221 of the fixing plate 22 rotates around the rotating screw 4 by a certain angle α relative to the rotating part 111 of the bayonet socket 11, the magnitude of α is related to the inclination angle of the inclined block 21, and α is larger as the inclination angle of the inclined block 21 is larger; the fixed plate 22 rotates to change the included angle between the lens 12 and the image sensor assembly 2, and meanwhile, the elastic piece 36 stretches and elastically acts on the fixed plate 22, so that the optical axes of the image sensor assembly 2 and the lens 12 are inclined, the full depth of field of the imaging of the lens 12 is realized, and the overall definition is ensured; when the sliding block 31 is reset, the elastic member 36 elastically acts on the fixed plate 22, so that the protrusion 221 of the fixed plate 22 is rotated and reset around the rotation shaft screw 4 relative to the rotating portion 111 of the bayonet socket 11.

According to the camera provided by the utility model, the adjusting component 3 is abutted against the inclined plane block 21 and slides along the inclined plane block 21, so that the image sensor component 2 is pushed to rotate relative to the lens component 1, and the depth of field is adjusted; the camera has wide field depth range, can ensure global clearness, does not change the included angle between the lens and the window glass, and does not have the problem of corner shadow.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (11)

1. A camera is characterized by comprising a lens component (1), an image sensor component (2) and an adjusting component (3), wherein the image sensor component (2) is rotatably arranged on the lens component (1), and the adjusting component (3) is fixedly arranged on the lens component (1); the image sensor assembly (2) comprises a slope block (21), the slope block (21) is arranged on one side, close to the adjusting assembly (3), of the image sensor assembly (2), the adjusting assembly (3) abuts against the slope block (21) and can slide along the slope block (21), so that the adjusting assembly (3) pushes the image sensor assembly (2) to rotate relative to the lens assembly (1) in the moving process of the slope block (21).

2. The camera according to claim 1, wherein the lens assembly (1) comprises a lens (12) and a bayonet mount (11), the bayonet mount (11) comprises a rotating portion (111), the rotating portion (111) is disposed on one side of the bayonet mount (11) close to the image sensor assembly (2), the lens (12) is disposed on the other side of the bayonet mount (11), the image sensor assembly (2) further comprises a fixing plate (22), the fixing plate (22) is rotatably connected with the rotating portion (111), and the bevel block (21) is disposed on the fixing plate (22).

3. The camera according to claim 2, wherein the rotating portion (111) protrudes from the bayonet mount (11) toward the image sensor assembly (2), the rotating portion (111) is provided with a rotating hole (1111), the fixing plate (22) includes a protrusion (221) protruding from the fixing plate (22) toward the bayonet mount (11), the protrusion (221) is provided with a through hole (2211), and the rotating hole (1111) is rotatably connected to the through hole (2211) by a rotating shaft screw (4).

4. A camera according to claim 3, characterized in that the number of the rotating parts (111) is two, two rotating parts (111) are located in the middle of both sides of the bayonet mount (11), and the number of the protrusions (221) is two, and each protrusion (221) corresponds to one rotating part (111).

5. The camera according to claim 2, wherein the bayonet mount (11) further comprises a support portion (112), the rotating portion (111) is disposed on a side of the support portion (112) close to the image sensor assembly (2), and a lens opening (1121) is disposed at a center of the support portion (112) for fitting the lens (12).

6. The camera according to claim 5, wherein the adjustment assembly (3) further comprises a sliding block (31), a motor base (32), a motor (33) and a lead screw (34), the motor base (32) is fixedly arranged on the side of the support portion (112) close to the image sensor assembly (2), the motor (33) is arranged on the motor base (32), the lead screw (34) is in transmission connection with the motor (33), the sliding block (31) is in slidable connection with the lead screw (34) through a thread, and the sliding block (31) abuts against the bevel block (21).

7. The camera according to claim 6, wherein the adjustment assembly (3) further comprises an orientation rod (35), two ends of the orientation rod (35) are respectively disposed on the motor base (32) and the motor (33), the orientation rod (35) is disposed in parallel with the lead screw (34), and the sliding block (31) is slidably connected with the orientation rod (35).

8. The camera according to claim 5, wherein the adjustment assembly (3) further comprises two elastic members (36), the two elastic members (36) are respectively disposed at two sides of the adjustment assembly (3), and two ends of each elastic member (36) are respectively disposed at the supporting portion (112) and the fixing plate (22).

9. The camera according to claim 5, wherein the image sensor assembly (2) further comprises a main board (23) and a sensor (24), the main board (23) is fixedly arranged on the side of the fixing plate (22) far away from the lens (12), and the sensor (24) is fixedly arranged on the side of the fixing plate (22) close to the lens (12).

10. The camera according to claim 9, wherein the image sensor assembly (2) further comprises a cover (25), two ends of the cover (25) are respectively disposed on the supporting portion (112) and the fixing plate (22), and a middle portion of the cover (25) is hollow; one side of the cover body (25) is open opposite to the lens opening (1121), and the other side is open opposite to the sensor (24).

11. The camera according to claim 10, characterized in that the cover (25) is a resilient silicone piece.

Images