CN112113093A

CN112113093A - Photographic optical equipment and diaphragm control method thereof

Info

Publication number: CN112113093A
Application number: CN202011074083.0A
Authority: CN
Inventors: 袁志峰; 秦朝锋; 汤华锡; 胡书贤; 石妹; 吴志坚; 阳术刚
Original assignee: Zhongshan Beifang Jinghua Precision Optical Co ltd
Current assignee: Zhongshan Beifang Jinghua Precision Optical Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2020-12-22

Abstract

The invention discloses photographic optical equipment and an aperture control method thereof, relating to the technical field of optical equipment; in order to solve the problem of limited use scenes; the device comprises a machine body and a support for arranging the machine body, wherein four moving legs are arranged on the outer wall of the bottom of the support; the outer wall of the top of the bracket is provided with a groove, the inner wall of the groove is provided with a lifting plate, and the outer wall of the bottom of the lifting plate is provided with a fixed rod; the aperture control method of the device comprises the following steps: adjusting the shooting angle of the camera body, turning on a light supplement lamp, and supplementing light to the camera lens by passing through the round hole; and starting a third motor to drive the shading plate to rotate, and gradually shielding the round hole. The invention pushes the support to move the shooting position through the moving leg, is convenient to carry and saves manpower, adjusts the rotating limiting plate after the support moves to the shooting position, enables the fixing pin to face downwards and presses the fixing pin on the ground, is convenient and simple to mount and dismount, and effectively avoids equipment movement in the using process.

Description

Photographic optical equipment and diaphragm control method thereof

Technical Field

The present invention relates to the field of optical devices, and in particular, to an optical device for photographing and a method for controlling an aperture of the optical device.

Background

An optical imaging apparatus (e.g., a video camera, a digital camera, etc.) is generally provided with a lens in which an aperture is provided in order to control the amount of light that enters a light sensing surface in the optical imaging apparatus through the lens, and further, with an optical system having a focusing lens group capable of macro photography. In this optical system, it is known that the aperture value changes with the movement of the focus lens group. The variation in the aperture value causes an optical principle phenomenon such as a decrease in the image plane light amount when the photographing magnification is increased, and in the current optical imaging apparatus, the degree of opening and closing of the aperture depends on the control voltage supplied to the aperture by the imaging apparatus.

Through retrieval, the chinese patent application No. cn201611121976.x discloses a terminal device dual-camera structure and a use method thereof, wherein a first camera and a second camera are overlapped and mounted on a first telescopic rod, a first microphone is mounted on the first camera, and an audio recorded by the first microphone and a video recorded by the first camera are stored as a same channel audio view; a second microphone is arranged on the second camera, and audio recorded by the second microphone and video recorded by the second camera are stored as the same road audio view; the camera angles of the first camera and the second camera are partially overlapped. The terminal equipment double-camera shooting structure and the using method thereof in the patent have the following defects: the shooting mechanism and the telescopic rod are of an integrated structure and are inconvenient to move in the use process, so that the shooting can be only carried out at a fixed position, and the use scene is limited.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a photographic optical device and an aperture control method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a photographic optical apparatus includes a body and a support on which the body is disposed, a bottom outer wall of the support being provided with four moving legs; the outer wall of the top of the bracket is provided with a groove, the inner wall of the groove is provided with a lifting plate, and the outer wall of the bottom of the lifting plate is provided with a fixed rod; the inner wall of the top of the support is provided with a placing box, the outer wall of one side of the placing box is provided with a supporting plate, the outer wall of the top of the supporting plate is provided with a square groove, a screw rod is placed on the inner wall of the square groove, the outer wall of the top of the screw rod is provided with a long groove, the long groove and the fixed rod form sliding fit, and the bottom end of the screw rod is provided; and a fixed seat is arranged on the inner wall of the top of the support.

Preferably: the bottom inner wall of fixing base is provided with first motor, the output of first motor rotates through the connecting axle and is connected with first bevel gear, the outer wall of screw rod is provided with second bevel gear, second bevel gear's outer wall and first bevel gear's outer wall mesh mutually, second bevel gear's bottom outer wall is provided with the spacing groove, the inner wall of spacing groove is provided with two sliding seats, the top outer wall of backup pad is provided with two spacing posts, the top outer wall of two spacing posts is connected with the bottom outer wall of two sliding seats through the bolt respectively, two spacing posts form sliding fit with the spacing groove.

Preferably: the outer wall of one side of the support is provided with the same cylinder, the cylindrical outer wall rotates and is connected with the limiting plate, and the bottom outer wall of limiting plate is provided with three fixed pins.

Preferably: the top outer wall of lifter plate is provided with four bottom plates, and one side outer wall of four bottom plates all is provided with the spring, and the other end of four springs all is provided with the push pedal.

Preferably: the bottom outer wall of organism is provided with rotates the post, rotates the both ends of post and is provided with the connecting plate respectively, and the bottom outer wall of two connecting plates is provided with same last extension board, and the top outer wall of going up the extension board is provided with electric telescopic handle, and the bottom outer wall of going up the extension board is provided with down the extension board, and the bottom inner wall of lower extension board is provided with the second motor, and the output of second motor is connected with last extension board input through the shaft coupling.

Preferably: the outer wall of both sides of organism all is provided with the handle, and one side outer wall of organism is provided with the lens cone, and the outer wall of lens cone rotates and is connected with zoom ring and focusing ring, and the inner wall of lens cone is provided with the camera lens, and the inner wall that the lens cone is close to the camera lens is provided with the light filling lamp more than four, and the inner wall of lens cone is provided with the fixed plate.

Preferably: one side outer wall of fixed plate is provided with the round hole more than four, the quantity of round hole is corresponding with the quantity of light filling lamp, one side inner wall of fixed plate is provided with the gear more than four, one side outer wall of fixed plate is provided with the roof, the top outer wall of roof is provided with the third motor, the output of third motor is connected with the input of one of them gear through the concentric shaft, one side outer wall of fixed plate is connected with the light screen more than four through the axis of rotation, the one end of axis of rotation is connected with the other end of gear through the bolt, the quantity of light screen is corresponding with the quantity.

Preferably: the inner wall of one side of organism is provided with control module, the on-off control end and the control module electric connection of third motor, and one side outer wall of organism is provided with the warning light, and the on-off control module and the control module electric connection of warning light, one side inner wall of organism are provided with data processing module, data processing module's signal output part and control module electric connection right.

An aperture control method of a photographic optical apparatus, comprising the steps of:

s1: adjusting the shooting angle of the camera body, turning on a light supplement lamp, and supplementing light to the camera lens by passing through the round hole;

s2: starting a third motor to drive the shading plate to rotate, and gradually shading the circular hole;

s3: during the shielding period, the lens continuously shoots images;

s4: the data processing module is used for extracting characteristic comparison of the shot images and determining the shot images with the optimal control aperture angle;

s5: the control module controls the third motor to be turned off and the prompting lamp to be turned on, and aperture control is completed. The invention has the beneficial effects that:

through being provided with removal leg and limiting plate isotructure, promote the support, make it remove through removing the leg and shoot the position, portable uses manpower sparingly, removes to shooting the position back when the support, adjusts and rotates the limiting plate for the fixed pin is downward, presses the fixed pin in ground, accomplishes the fixed of support, and the installation is just simple with dismantling the mean square, effectively avoids equipment removal in the use, influences the shooting quality.

Through being provided with spacing post and spacing groove isotructure, start first motor for first bevel gear drives the second bevel gear rotatory, and the rotatory in-process of second bevel gear is spacing consequently can not shift up through spacing post and spacing groove, and it makes the screw rod reciprocate through the screw thread, thereby makes the lifter plate reciprocate, is convenient for adjust the high shooting of organism, places the incasement and can place the material that the shooting needs to be used, is convenient for get and put.

1. Through being provided with spring and fixing base isotructure, will shoot the subassembly and place the back on the lifter plate, the push pedal removes forward under the elasticity of spring resets, carries out the centre gripping to the outer wall of shooting the subassembly and fixes, avoids droing in the shooting subassembly use, and during the use light filling lamp, illumination passes the round hole and carries out the light filling to the camera lens, and the fixing base plays limiting displacement downwards to the lifter plate, breaks away from in the support when avoiding the lifter plate to remove downwards.

2. Through being provided with electric telescopic handle and rotation post isotructure, during the use, be convenient for remove the organism through the handle, can hand the shooting according to actual conditions, start electric telescopic handle and promote the organism, make it use the rotation post to carry out angle fine adjustment about relative position carries out, start the second motor and drive the extension board and rotate, the shooting rotation angle of the adjustment organism of being convenient for, simple structure adjusts the different angles of shooting in a flexible way for it is better to form images.

3. Through being provided with data processing module and light screen isotructure, according to the light intensity needs, start the third motor, drive the light screen through the gear and rotate to shelter from the round hole, during the light screen shelters from, constantly shoot the figure, data processing module is to the preferred best light ring control angle behind the acquisition image contrast, and transmit signal gives control module, and its electric connection control third motor is closed and the warning light is opened, the suggestion people normal use of being convenient for.

Drawings

Fig. 1 is a schematic front view of a photographic optical device according to the present invention;

FIG. 2 is a schematic side sectional view of a photographic optical apparatus according to the present invention;

FIG. 3 is a schematic view of a bracket structure of a photographing optical device according to the present invention;

FIG. 4 is a schematic side view of a cross-sectional structure of a photographic optical apparatus according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a sectional structure of a photographic optical device in a back view;

FIG. 6 is a schematic diagram of a rear cross-sectional view of a fixing plate of an optical photographing apparatus according to the present invention;

fig. 7 is a schematic circuit flow diagram of an optical photographing apparatus according to the present invention.

In the figure: the device comprises a machine body 1, a support 2, a movable leg 3, a baffle 4, a screw rod 5, a placing box 6, a rotating column 7, a fixing plate 8, a prompting lamp 9, a lens 10, a light supplementing lamp 11, a shading plate 12, a lens barrel 13, a handle 14, a first bevel gear 15, a first motor 16, a fixing seat 17, a limiting groove 18, a limiting column 19, a supporting plate 20, a second bevel gear 21, a lifting plate 22, a push plate 23, a spring 24, a limiting plate 25, a cylinder 26, a connecting plate 27, an upper supporting plate 28, a second motor 29, a lower supporting plate 30, a zoom ring 31, a focusing ring 32, a control module 33, a data processing module 34, an electric telescopic rod 35, a gear 36, a circular hole 37 and a third motor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a photographic optical device, as shown in fig. 1 and fig. 2, comprises a body 1 and a support 2 for placing the body 1, wherein the outer wall of the bottom of the support 2 is rotatably connected with four moving legs 3 through rotating shafts; the outer wall of the top of the bracket 2 is provided with a groove, the inner wall of the groove is clamped with a lifting plate 22, and the outer wall of the bottom of the lifting plate 22 is fixed with a fixed rod through a bolt; a placing box 6 is fixed on the inner wall of the top of the support 2 through a bolt, a supporting plate 20 is fixed on the outer wall of one side of the placing box 6 through a bolt, a square groove is formed in the outer wall of the top of the supporting plate 20, a screw 5 is placed on the inner wall of the square groove, an elongated groove is formed in the outer wall of the top of the screw 5, the elongated groove and a fixed rod are in sliding fit, and a baffle 4 is fixed at the bottom end of the screw 5 through a; the top inner wall of support 2 has fixing base 17 through the bolt fastening, and fixing base 17 plays limiting displacement downwards to lifter plate 22, breaks away from in support 2 when avoiding lifter plate 22 to move down, places the material that the shooting needs to be used in the case 6, is convenient for get and puts, promotes support 2, makes it remove through removing leg 3 and shoots the position, and portable uses manpower sparingly.

Adjusting the lifting angle of the machine body 1 during shooting; as shown in fig. 2, a first motor 16 is fixed on the inner wall of the bottom of the fixing seat 17 through a bolt, the output end of the first motor 16 is rotatably connected with a first bevel gear 15 through a connecting shaft, the outer wall of the screw 5 is connected with a second bevel gear 21 through a thread, the outer wall of the second bevel gear 21 is engaged with the outer wall of the first bevel gear 15, the outer wall of the bottom of the second bevel gear 21 is provided with a limiting groove 18, the inner wall of the limiting groove 18 is fixed with two sliding seats through a bolt, the outer wall of the top of the supporting plate 20 is fixed with two limiting posts 19 through bolts, the outer walls of the tops of the two limiting posts 19 are respectively connected with the outer walls of the bottoms of the two sliding seats through bolts, the two limiting posts 19 form a sliding fit with the limiting groove 18, the first motor 16 is started, so that the first bevel gear 15 drives the second bevel gear 21 to, and it makes screw 5 reciprocate through the screw thread to make lifter plate 22 reciprocate, be convenient for adjust the height shooting of organism 1.

To avoid movement of the device during use; as shown in fig. 3, the relative one side outer wall of support 2 has same cylinder 26 through the bolt fastening, and the outer wall of cylinder 26 rotates and is connected with limiting plate 25, and the bottom outer wall of limiting plate 25 has three fixed pin through the bolt fastening, removes to the back of shooing the position when support 2, adjusts rotation limiting plate 25 for the fixed pin is downward, presses the fixed pin in ground, accomplishes the fixed of support 2, avoids equipment removal in the use, influences the shooting quality.

In order to clamp and fix the outer wall of the shooting assembly; as shown in fig. 3, the top outer wall of lifter plate 22 has four bottom plates through the bolt fastening, and the outer wall of one side of four bottom plates all has spring 24 through the bolt fastening, and the other end of four spring 24 all has push pedal 23 through the bolt fastening, will shoot the subassembly and place back on lifter plate 22, and push pedal 23 moves forward under the elasticity of spring 24 resets, carries out the centre gripping to the outer wall of shooting subassembly fixed, avoids shooting the subassembly and drops in the use.

The shooting angle is convenient to adjust; as shown in fig. 1, 4 and 5, a rotating column 7 is fixed on the outer wall of the bottom of the machine body 1 through a bolt, two ends of the rotating column 7 are respectively connected with a connecting plate 27 through a rotating shaft in a rotating manner, the outer walls of the bottoms of the two connecting plates 27 are fixed with a same upper support plate 28 through bolts, the outer wall of the top of the upper support plate 28 is fixed with an electric telescopic rod 35 through bolts, the outer wall of the bottom of the upper support plate 28 is connected with a lower support plate 30 through a rotating shaft in a rotating manner, a second motor 29 is fixed on the inner wall of the bottom of the lower support plate 30 through bolts, the output end of the second motor 29 is connected with the input end of the upper support plate 28 through a coupler, when the machine body is used, the electric telescopic rod 35 is started to push the machine body 1, so that the machine body 7 is used.

In order to facilitate handheld shooting; as shown in fig. 1, 2 and 4, the outer walls of two sides of the machine body 1 are all fixed with handles 14 through bolts, the outer wall of one side of the machine body 1 is fixed with a lens barrel 13 through bolts, the outer wall of the lens barrel 13 is rotatably connected with a zoom ring 31 and a focusing ring 32, the inner wall of the lens barrel 13 is fixed with a lens 10 through bolts, the inner wall of the lens barrel 13 close to the lens 10 is fixed with more than four light supplement lamps 11 through bolts, the inner wall of the lens barrel 13 is clamped with a fixing plate 8, the machine body 1 can be moved conveniently through the handles 14, handheld shooting can be carried out according to actual conditions, the light supplement lamps 11 supplement light for shooting images shot by the lens 10, and the image shooting definition can be adjusted conveniently through the zoom ring 31.

To facilitate control of the aperture; as shown in fig. 1 and 6, the outer wall of one side of the fixing plate 8 is provided with more than four round holes 37, the number of the round holes 37 corresponds to the number of the light supplement lamps 11, the inner wall of one side of the fixing plate 8 is rotatably connected with more than four gears 36 through a rotating shaft, the outer wall of one side of the fixing plate 8 is fixed with a top plate through bolts, the outer wall of the top plate is fixed with a third motor 38 through bolts, the output end of the third motor 38 is connected with the input end of one of the gears 36 through a concentric shaft, the outer wall of one side of the fixing plate 8 is rotatably connected with more than four light baffles 12 through rotating shafts, one end of the rotating shaft is connected with the other end of the gear 36 through bolts, the number of the light baffles 12 corresponds to the number of the round holes 37, when the light supplement lamps 11 are used, light passes through the round holes 37, accordingly, the circular hole 37 is blocked, and the shot pattern is continuously taken while the light shielding plate 12 blocks the circular hole, and the optimal aperture control angle is preferred.

To facilitate optimal control of the aperture angle; as shown in fig. 5 and 7, a control module 33 is fixed on an inner wall of one side of the machine body 1 through a bolt, a switch control end of the third motor 38 is electrically connected with the control module 33, a warning light 9 is fixed on an outer wall of one side of the machine body 1 through a bolt, the switch control module of the warning light 9 is electrically connected with the control module 33, a data processing module 34 is fixed on an inner wall of one side of the machine body 1 through a bolt, a signal output end of the data processing module 34 is electrically connected with the control module 33, when the aperture is adjusted, since the lens 10 continuously shoots, the data processing module 34 compares images shot by different apertures, the image shot by the clearest control aperture at an adjustment angle is selected, and after comparison, a signal is transmitted to the control module 33, and the electrical connection controls the third motor 38 to be turned off and the warning light 9 to be turned on, so as.

In the embodiment, when the device is used, the fixing seat 17 has a downward limiting effect on the lifting plate 22, so as to prevent the lifting plate 22 from separating from the support 2 when moving downward, the material required for shooting can be placed in the placing box 6, the support 2 is convenient to take and place, the support 2 is pushed to move the shooting position through the moving leg 3, after the support 2 moves to the shooting position, the rotation limiting plate 25 is adjusted to enable the fixing pin to move downward, the fixing pin is pressed on the ground to complete the fixing of the support 2, after the shooting component is placed on the lifting plate 22, the push plate 23 moves forward under the elastic reset of the spring 24 to clamp and fix the outer wall of the shooting component, the first motor 16 is started to enable the first bevel gear 15 to drive the second bevel gear 21 to rotate, the second bevel gear 21 is limited by the limiting column 19 and the limiting groove 18 during the rotation process, so that the second bevel gear cannot move upward, thereby the lifting plate 22 moves up and down, the height shooting of the machine body 1 is convenient to adjust, the electric telescopic rod 35 is started to push the machine body 1, the machine body 1 is enabled to be slightly adjusted in the vertical angle by taking the rotating column 7 as a relative position, the second motor 29 is started to drive the upper support plate 28 to rotate, the shooting rotation angle of the machine body 1 is convenient to adjust, the machine body 1 is convenient to move through the handle 14, the hand-held shooting can be carried out according to the actual situation, when the light supplementing lamp 11 is used, the illumination passes through the round hole 37 to supplement light to the lens 10, the third motor 38 is started according to the light intensity requirement, the light shielding plate 12 is driven to rotate through the gear 36, so as to shield the round hole 37, the image is continuously shot during the shielding period of the light shielding plate 12, the data processing module 34 compares the images shot by different apertures, the image shot by the, the electric connection controls the third motor 38 to be turned off and the prompting lamp 9 to be turned on, so that people can be prompted to normally use the electric heating device.

Example 2:

a diaphragm control method of a photographing optical apparatus according to embodiment 1, as shown in fig. 1 to 7, comprising the steps of:

s1: adjusting the shooting angle of the body 1, turning on the light supplement lamp 11, and supplementing light to the lens 10 by passing through the round hole 37;

s2: starting the third motor 38 to drive the light shielding plate 12 to rotate, and gradually shielding the circular hole 37;

s3: during the shading period, the lens 10 continuously takes images;

s4: the data processing module 34 performs extraction feature comparison on the shot image and determines the shot image with the optimal control aperture angle;

s5: the control module 33 controls the third motor 38 to be turned off and the indicator light 9 to be turned on, so that the aperture control is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Photographic optical equipment, comprising a body (1) and a support (2) for the body (1), characterized in that the bottom outer wall of the support (2) is provided with four moving legs (3); a groove is formed in the outer wall of the top of the support (2), a lifting plate (22) is arranged on the inner wall of the groove, and a fixing rod is arranged on the outer wall of the bottom of the lifting plate (22); a placing box (6) is arranged on the inner wall of the top of the support (2), a supporting plate (20) is arranged on the outer wall of one side of the placing box (6), a square groove is formed in the outer wall of the top of the supporting plate (20), a screw rod (5) is placed on the inner wall of the square groove, a long groove is formed in the outer wall of the top of the screw rod (5), the long groove and the fixed rod are in sliding fit, and a baffle (4) is arranged at the bottom end of the screw; and a fixed seat (17) is arranged on the inner wall of the top of the bracket (2).

2. The photographic optical device according to claim 1, wherein the bottom inner wall of the fixing base (17) is provided with a first motor (16), the output end of the first motor (16) is rotatably connected with a first bevel gear (15) through a connecting shaft, the outer wall of the screw (5) is provided with a second bevel gear (21), the outer wall of the second bevel gear (21) is meshed with the outer wall of the first bevel gear (15), the bottom outer wall of the second bevel gear (21) is provided with a limiting groove (18), the inner wall of the limiting groove (18) is provided with two sliding seats, the top outer wall of the supporting plate (20) is provided with two limiting columns (19), the top outer walls of the two limiting columns (19) are respectively connected with the bottom outer walls of the two sliding seats through bolts, and the two limiting columns (19) are in sliding fit with the limiting groove (18).

3. A photographic optical device according to claim 2, characterized in that the same cylinder (26) is provided on the outer wall of the opposite side of the frame (2), a limiting plate (25) is rotatably connected to the outer wall of the cylinder (26), and three fixing pins are provided on the outer wall of the bottom of the limiting plate (25).

4. A photographic optical device according to claim 3, characterized in that the top outer wall of the lifting plate (22) is provided with four bottom plates, the outer wall of one side of each of the four bottom plates is provided with a spring (24), and the other end of each of the four springs (24) is provided with a push plate (23).

5. A photographic optical device according to claim 1, characterized in that the bottom outer wall of the body (1) is provided with a rotary column (7), two ends of the rotary column (7) are respectively provided with a connecting plate (27), the bottom outer walls of the two connecting plates (27) are provided with the same upper support plate (28), the top outer wall of the upper support plate (28) is provided with an electric telescopic rod (35), the bottom outer wall of the upper support plate (28) is provided with a lower support plate (30), the bottom inner wall of the lower support plate (30) is provided with a second motor (29), and the output end of the second motor (29) is connected with the input end of the upper support plate (28) through a coupling.

6. The photographing optical device according to claim 5, wherein the outer walls of two sides of the body (1) are provided with handles (14), the outer wall of one side of the body (1) is provided with a lens barrel (13), the outer wall of the lens barrel (13) is rotatably connected with a zoom ring (31) and a focus ring (32), the inner wall of the lens barrel (13) is provided with the lens (10), the inner wall of the lens barrel (13) close to the lens (10) is provided with more than four light supplement lamps (11), and the inner wall of the lens barrel (13) is provided with the fixing plate (8).

7. The photographing optical device according to claim 6, wherein the outer wall of one side of the fixing plate (8) is provided with more than four round holes (37), the number of the round holes (37) corresponds to the number of the light supplement lamps (11), the inner wall of one side of the fixing plate (8) is provided with more than four gears (36), the outer wall of one side of the fixing plate (8) is provided with a top plate, the outer wall of the top plate is provided with a third motor (38), the output end of the third motor (38) is connected with the input end of one of the gears (36) through a concentric shaft, the outer wall of one side of the fixing plate (8) is rotatably connected with more than four light-shielding plates (12) through a rotating shaft, one end of the rotating shaft is connected with the other end of the gear (36) through a bolt, and the number.

8. The photographing optical device according to claim 7, wherein a control module (33) is disposed on an inner wall of one side of the body (1), a switch control terminal of the third motor (38) is electrically connected to the control module (33), a warning light (9) is disposed on an outer wall of one side of the body (1), the switch control module of the warning light (9) is electrically connected to the control module (33), a data processing module (34) is disposed on an inner wall of one side of the body (1), and a signal output terminal of the data processing module (34) is electrically connected to the control module (33).

9. A diaphragm control method of a photographing optical apparatus according to any one of claims 1 to 8, comprising the steps of:

s1: adjusting the shooting angle of the machine body (1), turning on a light supplement lamp (11), and supplementing light to the lens (10) by passing illumination through the round hole (37);

s2: a third motor (38) is started to drive the shading plate (12) to rotate, and the round hole (37) is gradually shaded;

s3: during the shielding period, the lens (10) continuously shoots images;

s4: the data processing module (34) is used for extracting characteristic comparison of the shot images and determining the shot images with the optimal control aperture angle;

s5: the control module (33) controls the third motor (38) to be turned off and the prompting lamp (9) to be turned on, so that the aperture control is completed.