CN217065117U

CN217065117U - Single-channel insect pest situation detecting and reporting lamp

Info

Publication number: CN217065117U
Application number: CN202220429685.1U
Authority: CN
Inventors: 赵惠惠; 王艳杰
Original assignee: Zhengzhou Ou Ke Qi Instrument Manufacturing Co ltd
Current assignee: Zhengzhou Ou Ke Qi Instrument Manufacturing Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-29
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to the technical field of insect condition monitoring equipment, in particular to a single-channel insect condition forecasting lamp, which comprises a fixed cabinet body, wherein the upper end of the fixed cabinet body is provided with an insect receiving funnel, the upper end of the fixed cabinet body is provided with an insect attracting lamp positioned above the insect receiving funnel, the periphery of the insect attracting lamp is provided with an electric network, the inside of the fixed cabinet body is provided with a mounting rack, the mounting rack is provided with an upper driving mechanism capable of driving an upper sliding frame to slide back and forth, the upper sliding frame is positioned at the rear side of an upper guide rail and is fixedly connected with an upper camera module, the mounting rack is provided with a lower driving mechanism capable of driving a lower sliding frame to slide back and forth, the lower sliding frame is positioned at the front side of a lower guide rail and is fixedly connected with a lower camera module, the lower end of the fixed cabinet body is provided with a lower funnel, the lower end of the fixed cabinet body is provided with a collecting cavity positioned below the lower funnel, the utility model is convenient for shooting the insect body and collecting data information, has wide application prospect in the technical field of insect condition monitoring equipment.

Description

Single-channel insect pest situation detecting and reporting lamp

Technical Field

The utility model belongs to the technical field of pest situation supervisory equipment technique and specifically relates to a single channel insect pest situation forecast lamp that falls.

Background

In the production process of the planting industry, the prediction and the prevention of the insect pests are directly related to the yield of various agricultural products, livestock products and aquatic products, the prediction and the prevention of the insect pests in advance are very important, and the insect condition prediction lamp can be used for detecting and predicting the insect pests, so that a guarantee means is provided for timely killing insects and killing insects. The insect condition forecasting lamp is developed specially for agricultural and forestry insect condition forecasting, can be provided with various sensor interfaces such as wind speed and direction, ambient temperature and humidity, illumination and the like, monitors environmental parameters when needed, can upload data through GPRS (general packet radio service) to monitor the relation between the environment and insect pests, has the working principle that according to the characteristic that insects have phototaxis, an insect luring light source in a specific spectral range sensitive to the insects is utilized, the insects which pass through a channel and are processed finally fall onto a display table for observing the insects, and then the characteristics of the insects in different periods on each position of the table surface of the display table are observed in a rotating mode, so that the purposes of forecasting and forecasting the insect pests are achieved.

Insect pest situation forecasting lamps on the current market have realized luring insects, the insecticidal, shoot, integrative function such as analysis, but only realized simply shooing when shooing the polypide at present, mainly to the kind of insect, the size, the quantity carries out simple analysis, data analysis to the polypide is not detailed, can't obtain accurate data, it is more clear to the pest, deeper analysis only is difficult to make the judgement from a picture of pest, in addition the insect pest situation forecasting lamp often is not clear enough to the shooting of insect, multiple insect often takes place to pile up, can't obtain accurate information from the picture of shooting, for this reason a single channel insect pest situation forecasting lamp that falls is urgently needed, solve the problem that current insect situation forecasting lamp is not detailed to the information collection of polypide and the polypide takes place to pile up easily.

SUMMERY OF THE UTILITY MODEL

The single-channel insect falling condition forecasting lamp aims to solve the problems that only simple photographing is realized when an insect body is photographed, the type, size and quantity of insects are mainly analyzed simply, the data analysis and collection of the insect body is not detailed, accurate data cannot be obtained, pests are clearer, the deeper analysis is difficult to judge only from one picture of the pests, in addition, the insect condition forecasting lamp is not clear enough to photograph the insects, and multiple insects are accumulated frequently.

The technical scheme of the utility model is that, including the fixed cabinet body, wherein, fixed cabinet body upper end is equipped with and connects the worm funnel, fixed cabinet body upper end is equipped with the moth-killing lamp that is located and connects the worm funnel top, moth-killing lamp week side is equipped with the electric wire netting, the internal portion of fixed cabinet is equipped with the mounting bracket, the last guide rail of mounting bracket upper end fixedly connected with fore-and-aft direction, the front and back both sides of going up the guide rail respectively sliding connection have the last carriage that can slide from beginning to end, be equipped with the last actuating mechanism that can drive the carriage front and back slip on the mounting bracket, fixedly connected with the chamber of taking a photograph on the mounting bracket, set up the shooting hole that link up from beginning to end on the back lateral wall in the chamber of taking a photograph, be located the guide rail rear side go up on the carriage fixedly connected with the camera module, the front end of going up the camera module can be inserted in the shooting hole;

the lower end of the mounting rack is fixedly connected with a lower guide rail in the front-back direction, the front side and the back side of the lower guide rail are respectively connected with a lower sliding rack capable of sliding back and forth in a sliding way, the mounting rack is provided with a lower driving mechanism which can drive the lower sliding rack to slide back and forth, the lower end of the mounting rack is fixedly connected with a lower photography cavity, a shooting hole which is communicated with the front and the back is arranged on the front side wall in the lower shooting cavity, a lower camera module is fixedly connected on the lower sliding frame which is positioned on the front side of the lower guide rail, the rear end of the lower camera module can be inserted into the shooting hole, the upper shooting cavity is provided with an upper through hole which is communicated up and down, the lower photography cavity is provided with a lower through hole which is communicated up and down, the size of the upper through hole is equal to that of the lower through hole, the upper through hole is positioned right above the lower through hole, the lower funnel of the lower end fixedly connected with of the fixed cabinet body, the collection chamber that fixed cabinet body lower extreme fixedly connected with is located the hourglass below down.

Preferably, fixed cabinet body upper end is equipped with into worm case, a plurality of insect holes of advancing have been seted up to the week side of advancing worm case, the upper end of advancing the worm case is equipped with the apron, be equipped with light rain accuse sensor on the apron.

Preferably, go up actuating mechanism and include first motor, first lead screw, first sliding block, the first motor of fixedly connected with fore-and-aft direction is distinguished to both sides around the mounting bracket upper end, two the first lead screw of fixedly connected with is distinguished to the rear end of first motor, two the rear end of first lead screw threaded connection has first sliding block, two respectively first sliding block corresponds the last sliding bracket fixed connection of side rather than, two first sliding block respectively with mounting bracket sliding connection.

Preferably, actuating mechanism includes second motor, second lead screw, second sliding block down, the second motor of fixedly connected with fore-and-aft direction is distinguished to both sides around the mounting bracket upper end, two the front end of second motor is fixedly connected with second lead screw, two respectively the front end of second lead screw threaded connection has the second sliding block respectively, two the second sliding block respectively rather than the lower carriage fixed connection who corresponds the side, two the second sliding block respectively with mounting bracket sliding connection.

Preferably, the left side and the right side of the rear side wall in the upper photographing cavity are respectively and fixedly connected with an upper light supplement lamp, and the left side and the right side of the front side wall in the lower photographing cavity are respectively and fixedly connected with a lower light supplement lamp.

Preferably, a rotatable upper focusing rod is arranged in the upper photographing cavity, an upper controller capable of driving the upper focusing rod to rotate is fixedly connected to the lower end of the upper focusing rod, a rotatable lower focusing rod is arranged in the lower photographing cavity, and a lower controller capable of driving the lower focusing rod to rotate is fixedly connected to the lower end of the lower focusing rod.

Preferably, the right-hand member fixedly connected with control module of the fixed cabinet body, light rain accuse sensor, moth-killing lamp, electric wire netting, first motor, second motor, go up camera module, lower camera module all with control module electric connection.

Adopt the technical scheme of the utility model can reach following beneficial effect: (1) the insect trap lamp, the power grid and the insect inlet box are arranged, the insect body is induced by the insect trap lamp and enters the insect inlet box through the insect inlet hole in the insect inlet box, so that the quantity of the insect body entering the insect inlet box is controlled, the insect is conveniently and clearly shot, and the insect information acquisition effect is favorably improved; (2) the upper camera module, the upper driving mechanism, the lower camera module and the lower driving mechanism are arranged, when the insect body enters the upper photographing cavity, the insect body is photographed through the upper camera module, meanwhile, the positions of the upper camera module and the upper photographing cavity are adjusted through the upper driving mechanism, so that focusing is convenient to perform when the insect is photographed, more accurate insect information data can be obtained, photographing and shooting can be performed on the other side of the insect conveniently through the lower camera module and the lower driving mechanism, and all-dimensional information acquisition can be performed on the insect body; (3) the collection cavity and the lower funnel are arranged, so that the insect bodies can be conveniently collected and treated; the technical scheme of the utility model has extensive application prospect in pest situation supervisory equipment technical field.

Drawings

Fig. 1 is an axonometric view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a front view full section mapping diagram of the utility model.

Figure 4 is the utility model discloses a left side is looked completely and is cut open the axonometric drawing.

Fig. 5 is an internal mechanism diagram of the fixed cabinet of the present invention.

Fig. 6 is an enlarged view of a in fig. 3 according to the present invention.

Fig. 7 is an enlarged view of B in fig. 4 according to the present invention.

The insect trap comprises a cabinet body 1, a cabinet body 2, an insect receiving funnel 3, an insect trap lamp 4, an electric network 5, a mounting rack 6, an upper guide rail 7, an upper sliding frame 8, an upper shooting cavity 9, an upper camera module 10, a lower guide rail 11, a lower sliding frame 12, a lower shooting cavity 13, a lower camera module 14, a lower funnel 15, a collecting cavity 16, an insect inlet box 17, a light and rain control sensor 18, a first motor 19, a first lead screw 20, a first sliding block 21, a second motor 22, a second lead screw 23, a second sliding block 24, an upper light supplement lamp 25, a lower light supplement lamp 26, an upper focusing rod 27, an upper controller 28, a lower focusing rod 29 and a lower controller.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1~ 7 single channel winged insect situation forecast lamp, including the stationary cabinet body 1, a concrete embodiment does, stationary cabinet body 1 is the aluminum alloy material, 1 upper end fixedly connected with of the stationary cabinet body connects

worm funnel

2, 1 upper end of the stationary cabinet body is equipped with the moth-killing lamp 3 that is located and connects worm funnel 2 top, trap the insect through moth-killing

lamp

3, 3 week side fixedly connected with electric wire netting 4 of moth-killing lamp, the outside at moth-killing lamp 3 of electric wire netting 4 cladding, the insect is inactivated by electric wire netting 4 when being close to moth-killing lamp 3, the insect falls inside the insect funnel 2 and falls into the stationary cabinet body 1, be convenient for gather the insect.

As shown in fig. 1 to 7, a mounting frame 5 is fixedly connected inside a fixed cabinet 1, an upper guide rail 6 in the front-back direction is fixedly connected to the upper end of the mounting frame 5, upper sliding frames 7 capable of sliding back and forth are respectively slidably connected to the front and back sides of the upper guide rail 6, an upper driving mechanism capable of driving the upper sliding frames 7 to slide back and forth is arranged on the mounting frame 5, the upper driving mechanism comprises a first motor 18, a first lead screw 19 and a first sliding block 20, the front and back sides of the upper end of the mounting frame 5 are respectively fixedly connected to the first motor 18 in the front-back direction, the rear ends of the two first motors 18 are respectively fixedly connected to the first lead screw 19, the rear ends of the two first lead screws 19 are respectively in threaded connection with the first sliding blocks 20, the two first sliding blocks 20 are respectively fixedly connected to the upper sliding frames 7 on the corresponding sides, the two first sliding blocks 20 are respectively slidably connected to the mounting frame 5, start first motor 18, first motor 18 drives first lead screw 19 and takes place to rotate, first lead screw 19 takes place to slide with first sliding block 20 threaded connection and drive first sliding block 20, sliding frame 7 takes place to slide on first sliding block 20 drives, last sliding frame 7 that is located the upper guideway 6 rear side drives camera module 9 and takes place to slide, last sliding frame 7 that is located the upper guideway 6 front side drives photographic chamber 8 and takes place to slide, through the position adjustment to last camera module 9 and last photographic chamber 8, make the photographic effect of last camera module 9 to the polypide better.

As the single-channel insect pest situation forecasting lamp shown in figures 1-7, the mounting frame 5 is fixedly connected with an upper photographing cavity 8, a photographing hole which is through from front to back is formed in the rear side wall of the upper photographing cavity 8, the upper sliding frame 7 located on the rear side of the upper guide rail 6 is fixedly connected with an upper camera module 9, the front end of the upper camera module 9 can be inserted into the photographing hole, and the falling insect body is photographed and collected by the upper camera module 9 according to the data information of the insect body.

As shown in fig. 1 to 7, the single-channel pest situation detecting and reporting lamp includes a mounting frame 5, a lower guide rail 10 fixed at a lower end of the mounting frame 5, a lower slide frame 11 slidably connected at a front side and a rear side of the lower guide rail 10, a lower driving mechanism arranged on the mounting frame 5 and capable of driving the lower slide frame 11 to slide forward and backward, a lower photographing cavity 12 fixed at a lower end of the mounting frame 5, a photographing hole penetrating forward and backward formed on a front side wall of the lower photographing cavity 12, a lower camera module 13 fixed on the lower slide frame 11 at a front side of the lower guide rail 10, a rear end of the lower camera module 13 capable of being inserted into the photographing hole, a second motor 21, a second screw 22 and a second slide block 23 fixed at a front side and a rear side of an upper end of the mounting frame 5, a second motor 21 fixed at a front side and a rear side respectively, a second screw 22 fixed at a front end of the two second motors 21 respectively, the front ends of the two second lead screws 22 are respectively in threaded connection with the second sliding blocks 23, the two second sliding blocks 23 are respectively fixedly connected with the lower sliding frame 11 on the corresponding side, the two second sliding blocks 23 are respectively in sliding connection with the mounting frame 5, and through the lower camera module 13 and the lower driving mechanism, photographing and shooting are convenient for the other side of the insect, so that the omnidirectional information acquisition is facilitated for the insect body.

The single-channel insect pest situation forecasting lamp shown in fig. 1-7 has the advantages that the upper through hole which is through from top to bottom is formed in the upper photographing cavity 8, the lower through hole which is through from top to bottom is formed in the lower photographing cavity 12, the size of the upper through hole is equal to that of the lower through hole, the upper through hole is located right above the lower through hole, the lower end of the fixed cabinet body 1 is fixedly connected with the lower funnel 14, the lower end of the fixed cabinet body 1 is fixedly connected with the collecting cavity 15 located below the lower funnel 14, insect bodies fall into the upper photographing cavity 8 through the upper through hole and fall into the lower photographing cavity 12 through the lower through hole, and the insect bodies respectively complete data information collection through the upper camera module 9 and the lower camera module 13 when passing through the upper photographing cavity 8 and the lower photographing cavity 12.

As shown in fig. 1-7, the single-channel pest situation detecting and reporting lamp comprises a fixed cabinet 1, a pest inlet box 16 fixedly connected to the upper end of the fixed cabinet 1, a plurality of pest inlet holes formed around the pest inlet box 16, a cover plate fixedly connected to the upper end of the pest inlet box 16 for protecting the device, a light and rain sensor 17 fixedly connected to the cover plate for monitoring environmental data, upper light-filling lamps 24 respectively fixedly connected to the left and right sides of the rear side wall of the upper photographing cavity 8, lower light-filling lamps 25 respectively fixedly connected to the left and right sides of the front side wall of the lower photographing cavity 12 for improving the photographing effect of the pest, an upper rotatable focusing rod 26 disposed in the upper photographing cavity 8, an upper controller 27 fixedly connected to the lower end of the upper focusing rod 26 for driving the upper focusing rod to rotate, a lower rotatable focusing rod 28 disposed in the lower photographing cavity 12, and a lower controller 29 fixedly connected to the lower end of the lower focusing rod 28 for driving the lower focusing rod to rotate, the upper focusing rod 26 and the lower focusing rod 28 provide a reference point for the focusing process, the upper focusing rod 26 and the lower focusing rod 28 are respectively controlled to rotate to the middle positions corresponding to the cameras through the upper controller 27 and the lower controller 29, the upper focusing rod 26 and the lower focusing rod 28 are respectively controlled to automatically reset through the upper controller 27 and the lower controller 29 after the focusing process is finished, the right end of the fixed cabinet body 1 is fixedly connected with a control module, and the light and rain control sensor 17, the trap lamp 3, the power grid 4, the first motor 18, the second motor 21, the upper camera module 9 and the lower camera module 13 are electrically connected with the control module, so that the control of all modules of the device is facilitated, and the automatic adjustment is facilitated.

The working principle of the device is as follows: when the device is used, insects are trapped through the trap lamp 3, the insects are inactivated by the power grid 4 when approaching the trap lamp 3, the insect bodies fall into the insect receiving funnel 2 and fall into the fixed cabinet body 1, the upper controller 27 and the lower controller 29 are started, the upper controller 27 and the lower controller 29 respectively drive the upper focusing rod 26 and the lower focusing rod 28 to rotate to the middle position of the upper photography cavity 8 and the lower photography cavity 12, the first motor 18 is started, the first motor 18 drives the first lead screw 19 to rotate, the first lead screw 19 is in threaded connection with the first sliding block 20 and drives the first sliding block 20 to slide, the first sliding block 20 drives the upper sliding frame 7 to slide, the upper sliding frame 7 positioned at the rear side of the upper guide rail 6 drives the upper camera module 9 to slide, the upper sliding frame 7 positioned at the front side of the upper guide rail 6 drives the upper photography cavity 8 to slide, and the positions of the upper camera module 9 and the upper photography cavity 8 are focused, the second motor 21 is started, the second motor 21 drives the second lead screw 22 to rotate, the second lead screw 22 is in threaded connection with the second sliding block 23 and drives the second sliding block 23 to slide, the second sliding block 23 drives the lower sliding frame 11 to slide, the lower sliding frame 11 positioned at the rear side of the upper guide rail 6 drives the lower camera module 13 to slide, the lower sliding frame 11 positioned at the rear side of the lower guide rail 10 drives the lower photographing cavity 12 to slide, and hence the lower camera module 13 and the lower camera cavity 12, are focused, by reference cooperation of the upper camera module 9 and the upper focus rod 26, the upper camera module 9 is focused, by reference cooperation of the lower camera module 13 and the lower focus lever 28, the lower camera module 13 is focused, the falling insect bodies are photographed and information is collected after focusing is completed, and the insect bodies fall into the lower funnel 14 and then fall into the collecting cavity 15 after photographing is completed.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The single-channel insect pest situation forecasting lamp comprises a fixed cabinet body (1) and is characterized in that an insect receiving funnel (2) is arranged at the upper end of the fixed cabinet body (1), an insect trapping lamp (3) positioned above the insect receiving funnel (2) is arranged at the upper end of the fixed cabinet body (1), a power grid (4) is arranged on the periphery of the insect trapping lamp (3), a mounting frame (5) is arranged inside the fixed cabinet body (1), an upper guide rail (6) in the front-back direction is fixedly connected to the upper end of the mounting frame (5), an upper sliding frame (7) capable of sliding back and forth is respectively and slidably connected to the front side and the rear side of the upper guide rail (6), an upper driving mechanism capable of driving the upper sliding frame (7) to slide back and forth is arranged on the mounting frame (5), an upper photographing cavity (8) is fixedly connected to the mounting frame (5), and a photographing hole which is communicated back and forth is formed in the rear side wall in the upper photographing cavity (8), an upper camera module (9) is fixedly connected to the upper sliding frame (7) positioned at the rear side of the upper guide rail (6), and the front end of the upper camera module (9) can be inserted into the shooting hole;

the lower end of the mounting frame (5) is fixedly connected with a lower guide rail (10) in the front-back direction, the front side and the back side of the lower guide rail (10) are respectively and slidably connected with a lower sliding frame (11) capable of sliding back and forth, a lower driving mechanism capable of driving the lower sliding frame (11) to slide back and forth is arranged on the mounting frame (5), the lower end of the mounting frame (5) is fixedly connected with a lower shooting cavity (12), a shooting hole which is through back and forth is formed in the front side wall in the lower shooting cavity (12), a lower camera module (13) is fixedly connected onto the lower sliding frame (11) positioned on the front side of the lower guide rail (10), the rear end of the lower camera module (13) can be inserted into the shooting hole, an upper through hole which is through up and down is formed in the upper shooting cavity (8), a lower through hole which is through up and down is formed in the lower shooting cavity (12), the upper through hole is equal in size to the lower through hole and is positioned right above the lower through hole, the lower end fixedly connected with of the fixed cabinet body (1) is provided with a lower funnel (14), and the lower end fixedly connected with of the fixed cabinet body (1) is provided with a collecting cavity (15) below the lower funnel (14).

2. The single-channel insect pest situation forecasting lamp according to claim 1, characterized in that an insect feeding box (16) is arranged at the upper end of the fixed cabinet body (1), a plurality of insect feeding holes are formed in the peripheral side of the insect feeding box (16), a cover plate is arranged at the upper end of the insect feeding box (16), and a light and rain control sensor (17) is arranged on the cover plate.

3. The single-channel insect pest situation forecasting lamp according to claim 1, characterized in that the upper driving mechanism comprises a first motor (18), a first lead screw (19) and a first sliding block (20), the front side and the rear side of the upper end of the mounting frame (5) are respectively and fixedly connected with the first motor (18) in the front-rear direction, the rear end of the first motor (18) is respectively and fixedly connected with the first lead screw (19), the rear end of the first lead screw (19) is respectively and threadedly connected with the first sliding block (20), the first sliding block (20) is respectively and fixedly connected with the upper sliding frame (7) on the corresponding side, and the first sliding block (20) is respectively and slidably connected with the mounting frame (5).

4. The single-channel insect pest situation forecasting lamp according to claim 1, wherein the lower driving mechanism comprises a second motor (21), a second lead screw (22) and a second sliding block (23), the front side and the rear side of the upper end of the mounting frame (5) are respectively and fixedly connected with the second motor (21) in the front-rear direction, the front end of the second motor (21) is respectively and fixedly connected with the second lead screw (22), the front end of the second lead screw (22) is respectively and threadedly connected with the second sliding block (23), the second sliding block (23) is respectively and fixedly connected with a lower sliding frame (11) on the corresponding side, and the second sliding block (23) is respectively and slidably connected with the mounting frame (5).

5. The single-channel insect pest situation forecasting lamp according to claim 1, characterized in that the upper light supplement lamp (24) is fixedly connected to the left and right sides of the inner rear side wall of the upper photographing cavity (8), and the lower light supplement lamp (25) is fixedly connected to the left and right sides of the inner front side wall of the lower photographing cavity (12).

6. The single-channel insect pest situation forecasting lamp according to claim 1, characterized in that a rotatable upper focusing rod (26) is arranged in the upper photographing cavity (8), an upper controller (27) capable of driving the upper focusing rod (26) to rotate is fixedly connected to the lower end of the upper focusing rod, a rotatable lower focusing rod (28) is arranged in the lower photographing cavity (12), and a lower controller (29) capable of driving the lower focusing rod (28) to rotate is fixedly connected to the lower end of the lower focusing rod (28).