WO2022052637A1

WO2022052637A1 - Photographic device

Info

Publication number: WO2022052637A1
Application number: PCT/CN2021/107416
Authority: WO
Inventors: 关宏杰; 叶展; 颜财盛
Original assignee: 杭州海康威视数字技术股份有限公司
Priority date: 2020-09-08
Filing date: 2021-07-20
Publication date: 2022-03-17

Abstract

Provided is a photographic device. The photographic device comprises a shell, an image sensor board, a rotating assembly and an electric motor assembly. The shell comprises a lens mounting surface, which is located on an outer surface of a front end. The image sensor board is arranged on the side of the shell that faces away from the lens mounting surface, and is provided with an image sensor. The rotating assembly is arranged on the side of the image sensor board that faces away from the lens mounting surface, and comprises a connecting piece and a rotating piece, wherein the connecting piece is connected to the shell, the rotating piece is connected to the connecting piece and the image sensor board, and the rotating piece is configured to rotate around an axis that is parallel to the lens mounting surface, so as to adjust an included angle between a light receiving surface of the image sensor and the lens mounting surface. The electric motor assembly is in transmission connection with the rotating piece, so as to drive the rotating piece to rotate.

Description

Shooting equipment

This application is required to be submitted to the China Patent Office on September 08, 2020, with the application number of 202010936743.5 and the Chinese patent application with the invention name "Photography Device" and the China Patent Office on September 8, 2020, with the application number of 202010936758.1 The invention name is " The priority of the Chinese patent application for "Photographing Equipment", the entire contents of which are incorporated herein by reference.

technical field

The present disclosure relates to the field of imaging technology, and in particular, to a photographing device.

Background technique

In the existing photographing equipment, the focal plane that is focused during photographing is inconsistent with the photographing plane of the actual object to be photographed. Therefore, within the focal area, the photographed image is relatively clear, while outside the focal area, the photographed image is relatively clear. relatively vague.

SUMMARY OF THE INVENTION

The present disclosure provides an improved photographing device, which can adjust the angle of a light-receiving surface of an image sensor, thereby adjusting the focus area of the photographing device, so that the photographed image is clearer.

An embodiment of the present disclosure provides a photographing device, including:

a housing, including a lens mounting surface on the outer surface of the front end;

an image sensor board, disposed on the side of the housing facing away from the lens mounting surface, the image sensor board is provided with an image sensor;

A rotating assembly, adjacent to the image sensor board and disposed on the same side of the lens mounting surface as the image sensor board, the rotating assembly includes a connecting piece and a rotating piece, the connecting piece is connected to the housing, and the The rotating member connects the connecting member and the image sensor board, and the rotating member is configured to rotate around an axis parallel to the lens mounting surface to adjust the distance between the light-receiving surface of the image sensor and the lens mounting surface. included angle; and

The motor assembly is drivingly connected with the rotating member to drive the rotating member to rotate.

Embodiments of the present disclosure also provide a photographing device, including:

a housing, including a lens mounting surface located on the outer surface of the front end; an image sensor board, arranged on the front end of the housing and facing away from the lens mounting surface, the image sensor board is provided with an image sensor;

A moving assembly, located at the rear end of the casing, includes a driving motor and a moving piece that is drivingly connected to the driving motor, and the moving piece is driven by the driving motor along a direction perpendicular to the lens mounting surface move back and forth;

A rotating assembly, disposed between the moving assembly and the image sensor board, includes a connecting piece and a rotating piece, the connecting piece is connected with the moving piece, the rotating piece is rotatably connected with the connecting piece, and is connected with the connecting piece The image sensor board is fixedly connected, and the rotating member is configured to rotate about an axis parallel to the lens mounting surface to adjust the angle between the light-receiving surface of the image sensor and the lens mounting surface; and

The photographing device provided by the present disclosure includes a rotating component, and the rotating component enables the image sensor board and the image sensor disposed on the image sensor board to rotate around an axis parallel to the lens mounting surface, thereby realizing the light-receiving surface of the image sensor and the lens mounting surface. The included angle is adjustable, so that during the shooting process, the angle of the light-receiving surface of the image sensor relative to the lens mounting surface can be adjusted according to the focus area, so that the captured image is clearer.

Description of drawings

FIG. 1 is an exploded view of a partial structure of a photographing device according to an exemplary embodiment of the present disclosure;

Fig. 2 is the schematic diagram of the connecting piece and the rotating piece shown in Fig. 1 in the initial assembly position;

Fig. 3 is an exploded view of the partial structure shown in Fig. 1;

Fig. 4 is the schematic diagram that the rotating member shown in Fig. 1 rotates rearwardly with respect to the lens mounting surface;

FIG. 5 is a schematic view of the rotating member shown in FIG. 1 rotating forward relative to the lens mounting surface;

FIG. 6 is a cross-sectional view of a partial structure of the photographing device shown in FIG. 1;

FIG. 7 is an assembly view of the photographing device shown in FIG. 1 after removing the casing;

Fig. 8 is a schematic diagram of the partial structure of the photographing device shown in Fig. 1;

FIG. 9 is an assembly view of the photographing device shown in FIG. 1 from another viewing angle after the casing is removed.

The description of each label in the figure is as follows:

10—shell, 100—accommodating cavity, 101—lens mounting surface, 102—light transmission hole;

11—image sensor board, 110—image sensor;

12—Rotation component;

120—connector;

120a—connector base;

120b—connection ear, 120ba—first connection ear, 120bb—second connection ear;

120c—shaft hole, 120ca—first shaft hole;

120d—Guiding structure;

120e—threaded hole;

120f—annular positioning hole;

122—rotating parts;

122a—extension ear, 122aa—first extension ear, 122ab—second extension ear;

122b—shaft body, 122ba—first shaft body;

122c—the second sliding part;

122d—avoidance gap;

124—spacer column;

13—motor assembly, 130—motor;

132—the first transmission mechanism;

132a—the first driving part, 132aa—the gear;

132b—the first driven part, 132ba—the rack, 132bb—the first sliding part, 132bc—the transmission plate, 132bd—the guide plate;

134—limiting piece, 134a—limiting part;

14—Elastic shock absorber;

15—Moving components;

150—drive motor;

152—moving parts;

154—the second transmission mechanism, 154a—the second driving part, 154b—the second driven part;

16—Elastic adjustment piece;

20, 21, 22—fasteners;

A1—fixed connection part, A2—adjustable connection part;

B—connecting and matching parts;

B1—fixed connection fitting part, B2—adjustable connection fitting part;

C—straight line;

O - axis of rotation.

detailed description

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as recited in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. Unless otherwise defined, technical or scientific terms used in this disclosure should have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. As used in this disclosure and in the claims, "first," "second," and similar terms do not denote any order, quantity, or importance, but are merely used to distinguish the various components. Likewise, "a" or "an" and other similar words do not denote a quantitative limitation, but denote that there is at least one, and if only "one" is referred to, it will be specified separately. "Plural" or "several" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper," "top," "bottom," and the like are for convenience of description and are not limited to one position or one spatial orientation. Words like "include" or "include" mean that the elements or items appearing before "including" or "including" cover the elements or items listed after "including" or "including" and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Please refer to FIG. 1 , which is a schematic diagram of a partial structure of a photographing device according to an exemplary embodiment of the present disclosure.

The photographing device provided by the embodiment of the present disclosure may be a video camera or a camera. The application scenario of the photographing device is not limited, for example, it can be applied to an image acquisition scenario or a monitoring scenario, but is not limited thereto.

The photographing apparatus includes a housing 10 , an image sensor board 11 , a rotation assembly 12 and a motor assembly 13 . The casing 10 is configured as a casing structure, and a accommodating cavity 100 is formed inside. At least one of the image sensor board 11 , the rotating assembly 12 and the motor assembly 13 is accommodated in the accommodating cavity 100 of the casing 10 . The housing 10 includes a lens mounting surface 101 located on the outer surface of the front end, and the front end of the housing 10 is provided with a light-transmitting hole 102. The lens module (not shown) of the photographing device is mounted on the lens mounting surface 101, and the light-transmitting hole 102 The central axis coincides with the optical axis of the lens module. The image sensor board 11 is disposed at the front end of the housing 10 , facing away from the lens mounting surface 101 , and is accommodated in the accommodating cavity 100 of the housing 10 . The image sensor board 11 is provided with an image sensor 110, and the image sensor 110 can convert the sensed light signal into an electrical signal.

The rotating assembly 12 is disposed on the side of the image sensor board 11 that faces away from the lens mounting surface 101 , is adjacent to the image sensor board 11 and is disposed on the same side of the lens mounting surface 101 as the image sensor board 11 , and the rotating assembly 12 is accommodated in the housing 10 . inside the accommodating cavity 100 . The rotating assembly 12 includes a connecting member 120 and a rotating member 122 . The connecting member 120 is connected to the housing 10 , and the rotating member 122 is disposed between the connecting member 120 and the image sensor board 11 to connect the connecting member 120 and the image sensor board 11 . The rotating member 122 is configured to be rotatable back and forth relative to the lens mounting surface 101, that is, the rotating member 122 is configured to rotate around an axis parallel to the lens mounting surface 101 to adjust the light-receiving surface of the image sensor 110 and the lens mounting surface 101. The included angle of the lens mounting surface 101 is described. That is to say, the rotating member 122 is rotatably connected with the connecting member 120, and is fixedly connected with the image sensor board 11. The rotation of the rotating member 122 can drive the image sensor board 11 to rotate, so that the light receiving surface of the image sensor 110 and the lens mounting surface 101 can be adjusted. angle. Wherein, the axis parallel to the lens mounting surface 101 can be the axis of the solid axis, such as the rotation axis O of the shaft body 122b in FIG. 2 and FIG. 130 axis.

The motor assembly 13 is drivingly connected with the rotating member 122 , and drives the rotating member 122 to rotate back and forth relative to the lens mounting surface 101 , that is, drives the rotating member 122 to rotate around an axis parallel to the lens mounting surface 101 .

According to the above description, the setting of the rotating assembly 12 realizes the rotation of the image sensor board 11 and the image sensor 110 provided on the image sensor board 11 relative to the lens mounting surface 101, and realizes the light-receiving surface of the image sensor 110 and the lens mounting surface. The included angle of the surface 101 is adjustable, so that during the shooting process, the angle of the light-receiving surface of the image sensor 110 relative to the lens mounting surface 101 can be adjusted according to the focus area, so that the captured image is clearer.

In one embodiment, the rotating member 122 and the image sensor board 11 may be connected by fasteners 20 . Specifically, the rotating assembly 12 includes a spacing column 124 disposed between the rotating member 122 and the image sensor board 11 . The spacing column 124 can reserve a gap between the rotating member 122 and the image sensor board 11 to avoid the image sensor board 11 The image sensor 110 and other electronic components on the upper part come into contact with the rotating member 122 . The rotating member 122 , the image sensor board 11 and the spacing column 124 are all provided with through holes, and the fasteners 20 pass through the rotating member 122 , the image sensor board 11 and the spacing column 124 through the through holes, and fix the rotating member 122 and the image sensor board 11 . . The fasteners 20 may be screws or pins, etc., which are not limited in particular. The rotating member 122 and the image sensor board 11 are fixed by the fastener 20 , the fixing method is simple and the installation is convenient. In a practical application scenario, the rotating member 122 and the spacer column 124 may be provided as an integral structure.

The specific number of the fasteners 20 for fixing the rotating member 122 and the image sensor board 11 is not limited, and may be one, two, three, four or more. In this embodiment, the rotating member 122 is connected with the image sensor board 11 through a plurality of fasteners 20 to ensure the reliability of the connection. Specifically, three fasteners 20 may be provided, and the three fasteners 20 are distributed on both sides of the rotation axis O of the rotating member 122. On one side of the rotation axis O, the rotating member 122 and the image sensor board 11 pass through two The fastener 20 is fixedly connected, and on the other side of the rotation axis O, the rotating member 122 and the image sensor board 11 are fixedly connected by a fastener 20 . And, in the direction perpendicular to the rotation axis O, one of the fasteners 20 on one side is located at the middle part between the two fasteners 20 on the opposite side, which makes the rotation member 122 and the image sensor board 11 fixed. more stable.

Please refer to FIG. 2 , which is a schematic diagram of the connecting member and the rotating member shown in FIG. 1 in the initial assembly position.

In one embodiment, the connector 120 includes a connector base 120a and a connector lug 120b extending from the connector body 120a toward the image sensor board 11, and the rotating member 122 is rotatably connected to the connector lug 120b. The arrangement of the connecting lugs 120b increases the size of the connecting piece 120 in the direction perpendicular to the lens mounting surface 101, so that a gap can be reserved between the connecting piece base 120a and the rotating piece 122, which provides space for the rotation of the rotating piece 122 and avoids the rotation of the rotating piece 122. When the member 122 rotates, it interferes with the connecting member 120 .

1, 2 and 3, the rotating member 122 includes an extension ear 122a extending toward the connection ear 120b, the extension ear 122a and the connection ear 120b are arranged in parallel, and one of the extension ear 122a and the connection ear 120b includes a shaft body 122b , and the other one includes a shaft hole 120c, and the shaft body 122b is clearance fit with the shaft hole 120c, thereby realizing the rotation of the rotating member 122 relative to the connecting member 120. The arrangement of the connecting ear 120b and the extension ear 122a facilitates the arrangement of the shaft body 122b and the shaft hole 120c, and facilitates the rotational connection between the rotating member 122 and the connecting member 120 . In this embodiment, the connecting lug 120b includes a shaft hole 120c, and the extension lug 122a includes a shaft body 122b. In some other embodiments, the connecting ear 120b may include a shaft body 122b, and the extending ear 122a may include a shaft hole 120c.

In a specific embodiment, as shown in FIG. 1 , the connecting ear 120b includes a first connecting ear 120ba and a second connecting ear 120bb, and the first connecting ear 120ba and the second connecting ear 120bb are on the housing 10 Spaced distribution in the left and right direction. The extension ears 122a include first extension ears 122aa and second extension ears 122ab, the first extension ears 122aa and the second extension ears 122ab are spaced apart in the left-right direction of the housing 10 . The shaft body 122b includes a coaxially arranged first shaft body 122ba and a second shaft body (not shown), and the shaft hole 120c includes a coaxially arranged first shaft hole 120ca and a second shaft hole (not shown). One of the extension lugs 122aa and the first connection lugs 120ba includes a first shaft body 122ba, and the other includes a first shaft hole 120ca. The first shaft body 122ba is in clearance fit with the first shaft hole 120ca. One of the second connecting ears 120bb includes a second shaft body, and the other includes a second shaft hole, and the second shaft body is in clearance fit with the second shaft hole. It can be seen from this that the connection lugs 120b and the extension lugs 122a are rotatably connected at two parts through the shaft holes, which improves the reliability of the rotating connection between the rotating member 122 and the connecting member 120 and the stability during the rotating process.

In one embodiment, one of the first extension lugs 122aa and the first connecting lugs 120ba including the first shaft body 122ba is located on the inner side, and the one including the first shaft hole 120ca is located on the outer side, and the first shaft body 122ba faces from the inner side to the inner side. The outer side extends and is inserted into the first shaft hole 120ca. In the embodiment shown in FIG. 1 and FIG. 2 , the first extension ear 122aa includes a first shaft body 122ba, the first connection ear 120ba includes a first axle hole, and the first extension ear 122aa is located inside the first connection ear 120ba, The first connecting lug 120ba is located on the outer side of the first extending lug 122aa, and the first shaft body 122ba extends from the inside to the outside and penetrates into the first shaft hole 120ca. In the above arrangement, if the rotating member 122 moves in the direction of the rotation axis O toward the side where the first connecting ear 120ba is located, the first connecting ear 120ba can limit the rotation of the first extending ear 122aa. The amount of movement of the member 122 ensures that the first shaft body 122ba will not come out of the first shaft hole 120ca.

Likewise, one of the second extension lugs 122ab and the second connecting lugs 120bb including the second shaft body may be located on the inner side, and the one including the second shaft hole may be located on the outer side. In the embodiment shown in FIGS. 1 and 2 , the second extension lug 122ab includes a second shaft body, the second connection lug 120bb includes a second shaft hole, the second extension lug 122ab is located inside the second connection lug 120bb, and the second connection lug 120bb includes a second shaft hole. The biaxial body extends from the inside to the outside and penetrates into the second shaft hole. In the above arrangement, if the rotating member 122 moves in the direction of the rotation axis O toward the side where the second connecting lug 120bb is located, the second connecting lug 120bb can limit the position of the second extending lug 122ab to limit The amount of movement of the rotating member 122 ensures that the second shaft body will not come out of the second shaft hole.

Please refer to FIG. 3 , which is an exploded view of a part of the structure shown in FIG. 1 .

The photographing device further includes an elastic shock absorbing member 14, the elastic shock absorbing member 14 elastically abuts between the connecting member 120 and the rotating member 122, and the elastic shock absorbing member 14 keeps the connecting member 120 and the rotating member 122 in a stress state all the time, and through the The elastic force of the elastic damping member 14 can eliminate the assembly gap between the connecting member 120 and the rotating member 122 and realize precise assembly. In addition, the elastic shock absorbing member 14 can also relieve and absorb vibration, and can reduce the setting to avoid the phenomenon of shaking of the captured picture.

The elastic damping member 14 may be an elastic rubber member or a spring. In this embodiment, the latter is adopted. Specifically, the elastic damping member 14 includes a compression spring, a plurality of compression springs are provided, and the plurality of compression springs are arranged at intervals and distributed on both sides of the rotation axis O of the rotating member 122 , so as to improve the mutual relationship between the connecting member 120 and the rotating member 122 . In addition, the rotating member 122 can be in elastic contact with the connecting member 120 through the compression spring when it rotates forward or backward.

In some embodiments, the initial installation gap between the connecting member 120 and the rotating member 122 ranges from 2.9 mm to 4.1 mm. For example, 2.9mm, 3.2mm, 3.5mm, 3.8mm, 4mm, 4.1mm can be selected. In a specific embodiment, the initial installation gap can be set to 3.5mm. Of course, the initial installation gap is not limited to this, and can be adjusted according to the actual situation. In addition, the “installation gap” referred to here refers to the parallel gap between the connecting member 120 and the rotating member 122 .

In some embodiments, the range of the initial compression amount of the elastic damping member 14 is 1.5 mm˜2 mm. For example, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm can be selected. The “initial compression amount” mentioned here refers to the compression amount of the elastic damping member 14 in a state where the connecting member 120 is parallel to the rotating member 122 . The amount of compression is not limited to this, and can be adjusted according to the actual situation.

In the embodiment shown in FIG. 3 , four compression springs are provided between the connecting member 120 and the rotating member 122 , two compression springs are respectively provided on both sides of the rotation axis O of the rotating member 122 , and the four compression springs are rotating The two sides of the axis O are symmetrically arranged in pairs. In order to ensure the stability when the compression spring is elastically deformed, in one embodiment, the connecting piece base 120a includes a plurality of positioning posts (not shown) extending from the connecting piece base 120a toward the side surface of the rotating piece 122. The posts are correspondingly arranged with a plurality of compression springs, and the compression spring sleeves are sleeved on the outside of the positioning posts in one-to-one correspondence to realize the positioning of the compression springs.

Please continue to refer to FIG. 3 , in one embodiment, the connector 120 includes a shaft hole 120c, and the shaft hole 120c extends along the opposite direction of the extension direction of the connecting ear 120b and penetrates the connector base 120a. In this embodiment, the shaft hole 120c extends along the opposite direction of the extending direction of the connecting ear 120b to form a bar-shaped hole. When the elastic damping member 14 is elastically deformed, the shaft body 122b can move in the bar-shaped shaft hole 120c to adjust the position of the rotating member 122 relative to the connecting member 120 to avoid interference. Of course, in some other embodiments, the size of the shaft body 122b can also be appropriately reduced to allow the shaft body 122b to move in the shaft hole 120c when the elastic damping member 14 is elastically deformed.

2 and FIG. 3, in a specific embodiment, the first shaft hole 120ca extends along the opposite direction of the extending direction of the first connecting lug 120ba, and penetrates through the connector base 120a, and the second shaft hole is along the second connection The ear 120bb extends in the opposite direction of the extending direction, and penetrates the connector base 120a. When the elastic damping member 14 is elastically deformed, the first shaft body 122ba can move in the bar-shaped first shaft hole 120ca, and the second shaft body can move in the bar-shaped second shaft hole.

As mentioned above, the rotating member 122 is driven by the motor assembly 13 to rotate. In one embodiment, please continue to refer to FIG. 3 , the motor assembly 13 includes a motor 130 , and the motor 130 can be directly connected to the rotating member 122 in a driving manner to drive the rotating member 122 to rotate. In this embodiment, the motor assembly 13 includes a motor 130 and a first transmission mechanism 132 , and the motor 130 drives the rotating member 122 to rotate through the first transmission mechanism 132 . On the one hand, the first transmission mechanism 132 can increase the transmission size between the motor 130 and the rotating member 122 to facilitate the setting of the motor 130; The vibration is transmitted to the rotating member 122 .

Specifically, the motor 130 can be fixedly connected with the housing 10, the first transmission mechanism 132 includes a first driving part 132a and a first driven part 132b that are connected in a driving manner, the motor 130 is drivingly connected with the first driving part 132a, and the first driven part 132a The portion 132b is in driving connection with the rotating member 122 . The driven portion moves in a plane parallel to the lens mounting surface 101 and in a direction perpendicular to the axis of rotation O. The arrangement of the first driven part 132b in this way can reduce the movable space of the first driven part 132b, thereby reducing the space occupied by the motor assembly 13, making the photographing device more compact and miniaturized.

The specific implementation of the first transmission mechanism 132 is not limited. In some embodiments of the present disclosure, the first transmission mechanism 132 adopts a rack and pinion meshing mechanism. The first driving part 132a includes a gear 132aa, the first driven part 132b includes a rack 132ba, the output shaft of the motor 130 is drivingly connected with the gear 132aa, and the axis of the output shaft coincides with the axis of the gear 132aa. The rack 132ba extends in the direction perpendicular to the rotation axis O, and the motor 130 can realize forward and reverse rotation, thereby driving the rack 132ba to reciprocate in the direction perpendicular to the rotation axis O, thereby driving the rotating member 122 to rotate back and forth, that is, The rotating member 122 is driven to rotate around the rotation axis O.

Please continue to refer to FIG. 3 , in one embodiment, the first driven portion 132b includes a first sliding portion 132bb, the rotating member 122 includes a second sliding portion 122c, and the extension direction of the first sliding portion 132bb is perpendicular to the lens installation. The direction of the face 101 is inclined. One of the first sliding part 132bb and the second sliding part 122c includes a sliding groove, and the other includes a sliding rod, and the sliding rod is slidably matched with the sliding groove, so that the first driven part 132b drives the rotation when moving. Piece 122 rotates. In some embodiments of the present disclosure, the first sliding portion 132bb includes a sliding groove, and the second sliding portion 122c includes a sliding rod. In other embodiments, the second sliding portion 122c may include a sliding rod, and the first sliding portion 132bb may include a sliding groove.

Please refer to FIG. 2, FIG. 4 and FIG. 5. FIG. 4 is a schematic diagram of the rotating member shown in FIG. 1 rotating backward relative to the lens mounting surface. FIG. 5 is a schematic view of the rotating member shown in FIG. 1 rotating forward relative to the lens mounting surface.

In the initial assembly state, the second sliding portion 122c is located at the middle position of the first sliding portion 132bb, and at this time, the light-receiving surface of the image sensor 110 is parallel to the lens mounting surface 101 .

When the motor 130 rotates in the first direction (S direction in FIG. 2 ), the first driven portion 132b moves to the side away from the rotating member 122, and at this time, the second sliding portion 122c slides to the upper end of the first sliding portion 132bb, The rotating member 122 is rotated backward relative to the lens mounting surface 101 (refer to FIG. 4 ).

On the contrary, when the motor 130 rotates in the opposite direction of the first direction, the driven part moves to the side close to the rotating member 122. At this time, the second sliding portion 122c slides to the lower end of the first sliding portion 132bb, and the rotating member 122 is relatively opposite to the rotating member 122. The lens mount surface 101 is rotated forward (refer to FIG. 5 ).

In one embodiment, the rotating member 122 can be rotated by ±10° relative to the lens mounting surface.

Referring to FIG. 3, the first driven part 132b includes a transmission plate 132bc, the plate surface of the transmission plate 132bc is perpendicular to the rotation axis O, the first sliding part 132bb includes a chute, the chute is provided on the plate surface of the transmission plate 132bc, and runs along the The thickness direction of the transmission plate 132bc penetrates the transmission plate 132bc. The second sliding portion 122c includes a sliding rod, and the side of the rotating member 122 with the sliding rod includes an avoidance notch 122d , which provides an escape space for the transmission plate 132bc to avoid interference between the transmission plate 132bc and the rotating member 122 .

Please refer to FIG. 3 and FIG. 5 , in order to improve the stability of the first driven portion 132b when moving, the connecting member 120 includes a guide structure 120d disposed on a surface of the connecting member 120 facing away from the rotating member 122 . The movable portion 132b includes a guide plate 132bd that moves along the guide structure 120d.

In one embodiment, the guide structure 120d includes a guide groove provided on a surface of the connecting member base 120a facing away from the rotating member 122, and the outer walls on both sides of the guide plate 132bd move along the inner walls on both sides of the guide groove. The movement of the driven portion 132b provides guidance, which improves the smoothness of the movement of the first driven portion 132b.

The motor assembly 13 further includes a limiting member 134 connected to the housing of the motor 130. The limiting member 134 extends from the housing of the motor 130 toward the side where the connecting member 120 is located. The limiting member 134 includes a limiting portion 134a at the end. The portion 134a extends along a side surface of the connector base 120a facing away from the rotating member 122 . A limiting gap is provided between the limiting portion 134a and the connector base 120a, and the guide plate 132bd moves within the limiting gap to limit the displacement of the first driven portion 132b in the direction perpendicular to the lens mounting surface 101 . It can be seen that the limiting portion 134a and the connecting member 120 together limit the displacement of the first driven portion 132b in the direction perpendicular to the lens mounting surface 101, reducing the amount of vibration of the first driven portion 132b back and forth during the movement process .

Referring to FIG. 1 again, another photographing device provided by an embodiment of the present disclosure may further include a moving component 15 , and the moving component 15 is disposed at the rear end of the housing 10 . The moving assembly 15 includes a driving motor 150 and a moving member 152 that is drivingly connected to the driving motor 150 . The driving motor 150 drives the moving member 152 to move back and forth in a direction perpendicular to the lens mounting surface 101 .

The rotating assembly 12 is disposed between the moving assembly 15 and the image sensor board 11 , wherein the connecting member 120 of the rotating assembly 12 is connected to the moving member 152 , so that the connecting member 120 can be connected to the moving member 152 in a direction perpendicular to the lens mounting surface 101 . The synchronous movement causes the image sensor board 11 and the image sensor 110 disposed on the image sensor board 11 to move back and forth, so as to adjust the front and rear positions of the light-receiving surface of the image sensor 110 . It can be seen that, through the combination of the moving assembly 15 and the rotating assembly 12 , the light receiving surface of the image sensor 110 can move back and forth relative to the lens mounting surface 101 , and can also rotate back and forth relative to the lens mounting surface 101 . In other words, the light-receiving surface of the image sensor 110 can not only move back and forth relative to the lens mounting surface 101 , but also rotate around an axis parallel to the lens mounting surface 101 . In one embodiment, the moving assembly 15 may function as a back focus adjustment assembly.

In one embodiment, the photographing device includes an elastic adjusting member 16 elastically abutting between the moving member 152 and the connecting member 120 , and the elastic adjusting member 16 is used to adjust the parallelism of the moving member 152 and the connecting member 120 , thereby adjusting the image sensor The parallelism of the plate 11 and the lens mounting surface 101 . The elastic force of the elastic adjusting member 16 is applied to the moving member 152 and the connecting member 120 respectively. By adjusting the elastic deformation of the elastic adjusting member 16, the processing deviation and installation deviation of each component in the photographing device can be compensated, and thus the image sensor can be ensured. The parallelism of the board 11 and the lens mounting surface 101 in the initial assembly state is such that the light-receiving surface of the image sensor 110 is perpendicular to the optical axis of the lens module.

In one embodiment, the connecting member 120 includes a plurality of connecting parts connected to the moving member 152 , some of the connecting parts are fixed connecting parts A1 , and the other connecting parts are adjustable connecting parts A2 . At the fixed connection part A1 , the connection part 120 is fixedly connected with the moving part 152 through the fastener 21 , and at the adjustable connection part A2 , the connection part 120 is elastically connected with the moving part 152 through the fastener 22 and the elastic adjustment part 16 . After this setting, the fixed connection part A1 can be used as the reference for adjusting the parallelism between the moving part 152 and the connection part 120 , and at the adjustable connection part A1 , the image sensor board 11 can be adjusted by adjusting the deformation of the elastic adjustment part 16 . Parallelism with the lens mounting surface 101 . The adjustment method is simple and convenient.

In the embodiment shown in FIG. 1 , the connecting piece 120 is connected with the moving piece 152 at three connecting parts, one of which is the fixed connecting part A1, and the other two connecting parts are the adjustable connecting parts A2, thus When adjusting the parallelism between the connecting member 120 and the moving member 152, one axis is fixed and two axes are adjustable. Compared with the multi-axis adjustment scheme, the adjustment process is simplified and the adjustment accuracy can be ensured.

In one embodiment, a plurality of connection parts may be respectively disposed on both sides of the rotation axis O of the rotating member 122 . In a specific embodiment, the adjustable connection part A2 and the fixed connection part A1 are respectively located on both sides of the rotation axis O of the rotating member 122 . After this arrangement, the fixed connection part A1 serving as the parallelism adjustment reference is far away from the adjustable connection part A2, which is beneficial to improve the adjustment accuracy of the parallelism and reduce the deviation of the parallelism.

Please refer to FIG. 1 , FIG. 5 and FIG. 6 . FIG. 6 is a cross-sectional view of a partial structure of the photographing device shown in FIG. 1 . In one embodiment, the connecting member 120 includes a threaded hole 120e and an annular positioning hole 120f surrounding the periphery of the threaded hole 120e. The fastener 22 passes through the elastic adjusting member 16 and is screwed into the threaded hole 120e. One end of the elastic adjustment member 16 is inserted into the annular positioning hole 120f, abuts against the connecting member 120, and the other end abuts against the moving member 152. The deformation direction of the elastic adjustment member 16 is consistent with the axial direction of the annular positioning hole 120f. The fastener 21 can realize the relative fixation between the moving member 152 and the connecting member 120 , and can adjust the parallelism between the connecting member 120 and the moving member 152 by adjusting the deformation of the elastic adjusting member 16 , thereby adjusting the image sensor. The parallelism of the plate 11 and the lens mounting surface 101 . The annular positioning hole 120f can ensure the stability of the elastic adjusting member 16 when it is deformed, avoid tilting, and facilitate assembly. The fastener 22 can be a screw, and the elastic adjusting member 16 can be a compression spring.

In the embodiment shown in FIG. 6 , the elastic adjustment member 16 includes a compression spring, and at the adjustable connecting portion A2, the compression springs are sleeved on the outer side of the fastener 22 in a one-to-one correspondence. When the fastener is rotated in different directions 22, the compression spring is correspondingly extended or shortened.

Please refer to FIG. 7 and FIG. 8 , FIG. 7 is an assembly view of the photographing device shown in FIG. 1 after the casing is removed. FIG. 8 is a schematic diagram of a partial structure of the photographing apparatus shown in FIG. 1 .

The moving assembly 15 includes a second transmission mechanism 154, and the second transmission mechanism 154 includes a second driving part 154a and a second driven part 154b that are connected in a driving manner, wherein the second driving part 154a is connected with the driving motor 150, and the second driven part is 154b is connected to the moving member 152.

The moving part 152 includes a plurality of connecting and matching parts B that are connected with the multiple connecting parts of the connecting part 120 , and the plurality of connecting and matching parts B include a fixed connecting and matching part B1 that is connected to the fixed connecting part A1 , and each adjustable The connecting part A2 is matched to the adjustable connecting and matching part B2 of the connection. In one embodiment, the moving member 152 includes an accommodating cavity for accommodating the second driven portion 154b, and a plurality of connecting and matching parts B are distributed on the periphery of the accommodating cavity at intervals. After this arrangement, the plurality of connecting and matching parts B are relatively dispersed and have a large interval, which is beneficial to improve the adjustment accuracy of the parallelism between the connecting member 120 and the moving member 152 . The plurality of connection and mating parts B can be set as through holes or threaded holes.

In one embodiment, there is one fixed connection matching portion B1, which is provided corresponding to the fixed connection portion A1. There are two adjustable connecting and matching parts B2, which are respectively set corresponding to the two adjustable connecting parts A2. The two adjustable connection and matching parts B2 are respectively located on both sides of the straight line C where the center of the accommodating cavity and the center of the fixed connection part B1 are located. After this arrangement, the distance between the two adjustable connecting and matching parts B2 is relatively far, which is beneficial to improve the adjustment precision of the parallelism between the connecting member 120 and the moving member 152 . In a specific embodiment, the two adjustable connecting and matching parts B2 can be symmetrically distributed on both sides of the straight line C, so that the three connecting and matching parts B can be more evenly distributed on the periphery of the accommodating cavity and distributed in the circumferential direction It is more beneficial to improve the adjustment precision of the adjustment connecting piece 120 and the moving piece 152 , so as to reduce the deviation of the parallelism between the connecting piece 120 and the moving piece 152 .

In one embodiment, the initial installation gap between the moving member 152 and the connecting member 120 ranges from 2.9 mm to 4.1 mm. For example, 2.9mm, 3.2mm, 3.5mm, 3.8mm, 4mm, 4.1mm can be selected. In a specific embodiment, the initial installation gap can be set to 3.5mm. Of course, the initial installation gap is not limited to this, and can be adjusted according to the actual situation. In addition, the “installation gap” mentioned here refers to the parallel gap between the connecting member 120 and the moving member 152 .

In some embodiments, the range of the initial compression amount of the elastic adjusting member 16 is 1.5 mm˜2 mm. For example, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm can be selected. The “initial compression amount” mentioned here refers to the compression amount of the elastic adjusting member 16 in the state where the connecting member 120 is parallel to the moving member 152 . The amount of compression is not limited to this, and can be adjusted according to the actual situation.

Please refer to FIG. 9 . FIG. 9 is an assembly view of the photographing device shown in FIG. 1 from another viewing angle after the casing is removed.

In one embodiment, the moving assembly 15 and the motor assembly 13 are respectively located on two sides of the rotation axis O of the rotating member 122 . Such an arrangement is beneficial to balance the weight of the photographing device and ensure that the center of gravity is located close to or on the optical axis of the lens module.

The axis X1 of the output shaft of the motor 130 and the axis X2 of the output shaft of the driving motor 150 are spatially perpendicular to each other, and the axis of the output shaft of the driving motor 150 is parallel to the direction perpendicular to the lens mounting surface 101 . This arrangement can effectively utilize the space in the accommodating cavity 100 of the housing 10 , so that the structure of the photographing device is more compact.

The above descriptions are only preferred embodiments of the present disclosure, and are not intended to limit the present disclosure. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure shall be included in the present disclosure. within the scope of protection.

Claims

A photographing device comprising:

a housing (10), comprising a lens mounting surface (101) located on the outer surface of the front end;

an image sensor board (11), arranged on the side of the housing (10) facing away from the lens mounting surface (101), the image sensor board (11) is provided with an image sensor (110);

A rotating assembly (12), adjacent to the image sensor board (11) and disposed on the same side of the lens mounting surface (101) as the image sensor board (11), the rotating assembly (12) includes a connecting member ( 120) and a rotating member (122), the connecting member (120) is connected to the housing (10), and the rotating member (122) is connected to the connecting member (120) and the image sensor board (11) , the rotating member (122) is configured to rotate around an axis parallel to the lens mounting surface (101) to adjust the angle between the light-receiving surface of the image sensor (110) and the lens mounting surface (101) ;and

The motor assembly (13) is in driving connection with the rotating member (122) to drive the rotating member (122) to rotate.
The photographing device according to claim 1, wherein the rotating member (122) is connected with the image sensor board (11) by a fastener (20), and the rotating assembly (12) comprises a a spacer post (124) between the member (122) and the image sensor board (11), the fastener (20) passing through the rotating member (122), the spacer post (124) and the An image sensor board (11), the rotating member (122) and the image sensor board (11) are fixed.
The photographing device according to claim 1, wherein the connecting member (120) includes a connecting lug (120b) extending toward the image sensor board (11), and the rotating member (122) includes a connecting lug (120b) extending toward the image sensor board (11) (120b) extending extension ears (122a), the extension ears (122a) are arranged in parallel with the connection ears (120b), the extension ears (122a) and one of the connection ears (120b) are provided with The other shaft body (122b) is provided with a shaft hole (120c), and the shaft body (122b) is in clearance fit with the shaft hole (120c).
The photographing device according to claim 3, wherein the connection ear (120b) comprises a first connection ear (120ba) and a second connection ear (120bb), the first connection ear (120ba) and the second connection ear (120ba) The connecting ears (120bb) are distributed at intervals in the left and right directions of the housing (10), the extension ears (122a) include a first extension ear (122aa) and a second extension ear (122ab), the first extension ear (122aa) and the second extension ears (122ab) are spaced apart in the left-right direction of the housing (10), and the shaft body (122b) includes a first shaft body (122ba) and a second shaft body (122ba) that are coaxially arranged. A shaft body, the shaft hole (120c) includes a first shaft hole (120ca) and a second shaft hole coaxially arranged, the first extension ear (122aa) and one of the first connection ears (120ba) One is provided with a first shaft body (122ba), the other is provided with a first shaft hole (120ca), the first shaft body (122ba) is in clearance fit with the first shaft hole (120ca), and the second shaft One of the extension lug (122ab) and the second connecting lug (120bb) is provided with a second shaft body, the other is provided with a second shaft hole, and the second shaft body and the second shaft hole have a gap Cooperate.
The photographing device according to claim 3, wherein one of the first extension lug (122aa) and the first connecting lug (120ba) provided with the first shaft body (122ba) is located inside, and One of the first shaft holes (120ca) is located outside; and/or

One of the second extension lugs (122ab) and the second connecting lugs (120bb) with the second shaft body is located on the inner side, and the second shaft hole is located on the outer side.
The photographing device according to any one of claims 3 to 5, wherein the photographing device comprises an elastic shock-absorbing member (14), the elastic shock-absorbing member (14) elastically abuts against the connecting member (120) and the rotating member (122).
The photographing apparatus according to claim 6, wherein the connector (120) comprises a connector base (120a), and the connector lugs (120b) extend from the connector base (120a) toward the image sensor board ( 11) extends from the side where it is located, the shaft hole (120c) extends along the opposite direction of the extending direction of the connecting ear (120b), and penetrates through the connecting piece base (120a), the elastic damping piece (14) ) when elastic deformation occurs, the shaft body (122b) moves in the shaft hole (120c).
The photographing device according to claim 6, wherein the elastic damping member (14) comprises a plurality of compression springs, and the plurality of compression springs are distributed on both sides of the rotation axis of the rotating member (122); and /or

The range of the initial installation gap between the connecting member (120) and the rotating member (122) is 2.9 mm˜4.1 mm; and/or

The range of the initial compression amount of the elastic damping member (14) is 1.5mm˜2mm.
The photographing device according to any one of claims 1 to 5, wherein the motor assembly (13) comprises a motor (130) and a first transmission mechanism (132), the first transmission mechanism (132) comprising a transmission connection The first active part (132a) and the first driven part (132b) of the motor (130) are fixedly connected with the housing (10) and drively connected with the first active part (132a), the The first driven part (132b) moves in a plane parallel to the lens mounting surface (101) and in a direction perpendicular to the rotation axis of the rotating member (122), and is drive-connected with the rotating member (122) .
The photographing apparatus according to claim 9, wherein the first driven part (132b) comprises a first sliding part (132bb), the rotating member (122) comprises a second sliding part (122c), the first sliding part (122c) The extending direction of a sliding part (132bb) is inclined with respect to the direction perpendicular to the lens mounting surface (101), and one of the first sliding part (132bb) and the second sliding part (122c) includes a sliding groove , the other includes a sliding rod, the sliding rod slidingly cooperates with the sliding groove, so that the first driven part (132b) drives the rotating member (122) to rotate when the first driven part (132b) moves; and/or

The connecting member (120) includes a guide structure (120d) disposed on a surface of the connecting member (120) facing away from the rotating member (122), and the first driven part (132b) includes a guide plate (132bd), the guide plate (132bd) moves along the guide structure (120d); and/or

The motor assembly (13) includes a limiter (134) connected to the housing of the motor (130), the limiter (134) includes a limiter portion (134a) at the end, the limiter portion (134a) There is a limit gap between (134a) and the connecting piece (120), and the first driven part (132b) moves within the limit gap to limit the first driven part (132b) in the Displacement in the direction perpendicular to the lens mounting surface (101).
A photographing device comprising:

a housing (10), comprising a lens mounting surface (101) located on the outer surface of the front end;

an image sensor board (11), arranged at the front end of the housing (10) and facing away from the lens mounting surface 101), the image sensor board (11) is provided with an image sensor (110);

A moving assembly (15), located at the rear end of the housing (10), includes a driving motor (150) and a moving member (152) drivingly connected with the driving motor (150), the moving member (152) Move back and forth along the direction perpendicular to the lens mounting surface (101) under the driving of the drive motor (150);

A rotating assembly (12), disposed between the moving assembly (15) and the image sensor board (11), includes a connecting member (120) and a rotating member (122), the connecting member (120) and the A moving member (152) is connected, the rotating member (122) is rotatably connected with the connecting member (120), and is fixedly connected with the image sensor board (11), and the rotating member (122) is configured to rotate parallel to the The axis of the lens mounting surface (101) is rotated to adjust the angle between the light-receiving surface of the image sensor (110) and the lens mounting surface (101); and

The motor assembly (13) is drive-connected with the rotating member (122) to drive the rotating member (122) to rotate.
The photographing device according to claim 11, wherein the photographing device comprises an elastic adjustment member (16) elastically abutting between the moving member (152) and the connecting member (120), the elastic adjustment The member (16) is used to adjust the parallelism of the moving member (152) and the connecting member (120), thereby adjusting the parallelism of the image sensor board (11) and the lens mounting surface (101).
The photographing device according to claim 12, wherein the connecting member (120) comprises a plurality of connecting parts connected with the moving part (152), wherein some of the connecting parts are fixed connecting parts (A1), and the rest are fixed connecting parts (A1). The connecting part is an adjustable connecting part (A2), and at the fixed connecting part (A1), the connecting piece (120) is fixedly connected with the moving piece (152) through a fastener (21), and at the fixed connecting part (A1) At the adjustable connecting part (A2), the connecting piece (120) is elastically connected with the elastic adjusting piece (16) through a fastener (22).
The photographing device according to claim 13, wherein the adjustable connection part (A2) and the fixed connection part (A1) are respectively located on both sides of the rotation axis of the rotating member (122).
The photographing device according to claim 13, wherein the connecting member (120) comprises a threaded hole (120e) and an annular positioning hole (120f) surrounding the periphery of the threaded hole (120e), the fastener (120f) 22) Pass through the elastic adjustment member (16) and screw it into the threaded hole (120e), one end of the elastic adjustment member (16) is inserted into the annular positioning hole (120f), and is connected with the elastic adjustment member (120f). The connecting piece (120) abuts against, and the other end abuts against the moving piece (152). The deformation direction of the elastic adjusting piece (16) is consistent with the axial direction of the annular positioning hole (120f).
The photographing device according to claim 13, wherein the moving assembly (15) comprises a second transmission mechanism (154), the second transmission mechanism (154) comprising a transmission-connected second active part (154a) and a first transmission mechanism (154a) Two driven parts (154b), the second active part (154a) is drivingly connected with the driving motor (150), and the second driven part (154b) is drivingly connected with the moving member (152), so The moving member (152) includes a accommodating cavity for accommodating the second driven part (154b) and a plurality of connecting and matching parts (B) matched with the plurality of connecting parts, and the plurality of connecting and matching parts (B) The intervals are distributed on the periphery of the accommodating cavity.
The photographing device according to claim 16, wherein one fixed connection part (A1) is provided, and two adjustable matching parts are provided, and the connection and matching part (B) comprises a fixed connection part with the fixed connection part (A1) a fixed connection fitting part (B1) that is matched and connected and two adjustable connection fitting parts (B2) that are matched and connected with the two adjustable connection parts (A2), the two adjustable connection fitting parts ( B2) are respectively located on both sides of the straight line (C) where the center of the accommodating cavity and the center of the fixed connection part (A1) are located.
The photographing device according to claim 17, wherein the two adjustable connection and fitting parts (B2) are symmetrically distributed on both sides of the straight line (C); and/or

The range of the initial installation gap between the moving member (152) and the connecting member (120) is 2.9mm˜4.1mm, and the range of the initial compression amount of the elastic adjusting member (16) is 1.5mm˜2mm.
The photographing device according to any one of claims 11 to 17, wherein the moving assembly (15) and the motor assembly (13) are respectively located on both sides of the rotation axis of the rotating member (122).
The photographing apparatus according to any one of claims 11 to 17, wherein the motor assembly (13) comprises a motor (130), and the axis of the output shaft of the motor (130) is aligned with the axis of the drive motor (150). The axes of the output shafts are perpendicular to each other in space, and the axes of the output shafts of the driving motor (150) are parallel to the direction perpendicular to the lens mounting surface (101).