LU504566B1

LU504566B1 - Field Sampling-Based Mosquito Capturing Apparatus

Info

Publication number: LU504566B1
Application number: LU504566A
Authority: LU
Inventors: Zhang Fang
Original assignee: Univ Northwest Minzu
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-21

Abstract

The present invention provides a field sampling-based mosquito capturing apparatus including a capturing component and sealing components. In the present invention, with the capturing component, a capturing box is divided into a plurality of independent spaces by partition plates, and mutually independent trapping lights are provided for trapping mosquitoes, such that mosquitoes at a plurality of sampling points can be captured respectively, facilitating the respective sampling of the mosquitoes at the plurality of sampling points and improving the work efficiency of the capturing apparatus. With the sealing components, a corresponding telescopic rod is controlled to be powered on through an operation panel for operation, and the telescopic rod drives a sealing plate to move up and down so as to close and open a through groove, such that the mosquitoes enter the capturing box via the through groove, and thus the mosquitoes are captured. After capturing is completed, the through groove is sealed using the sealing plate, so as to guarantee normal operation of the capturing apparatus. The field sampling-based mosquito capturing apparatus is simple in structure, convenient and rapid in operation, and convenient for marketing and application.

Description

Field Sampling-Based Mosquito Capturing Apparatus

Technical Field

The present invention belongs to the technical field of mosquito capturing, and particularly relates to a field sampling-based mosquito capturing apparatus.

Background Art

Mosquitoes may carry germs, especially those living in the wild. In order to study the germs carried by wild mosquitoes, it is necessary to use tools to sample wild mosquitoes and bring them to laboratories for research.

In Chinese patent application No. 201921032831.1, a mosquito capturing apparatus is disclosed. The mosquito capturing apparatus includes an outer box, a carbon dioxide generating apparatus and a mosquito killer body that is disposed in the outer box, where the carbon dioxide generating apparatus includes a carbon dioxide generator and at least one material tank; the carbon dioxide generator includes a gas discharging pipe configured to deliver carbon dioxide, and a flow valve configured to control flow of the carbon dioxide; the carbon dioxide generator is further provided with an absorbing apparatus; the carbon dioxide generator further includes an absorbing apparatus; and the absorbing apparatus includes a spherical absorber and acidic solid powder that is provided in the spherical absorber for absorbing ammonia gas. According to the present invention, a conventional mosquito killer is combined with a caron dioxide generator, such that the mosquito capturing apparatus in the present invention releases carbon dioxide during use, enhancing a mosquito attraction affect.

However, the existing mosquito capturing apparatuses are inconvenient to capture mosquitoes at a plurality of sampling points respectively, which is not conducive to sampling mosquitoes at a plurality of sampling points respectively and thus reduces the working efficiency of the capturing apparatus. Therefore, it is quite necessary to invent a field sampling-based mosquito capturing apparatus. 1

Summary of the Invention

In order to solve the foregoing technical problems, the present invention provides a field sampling-based mosquito capturing apparatus. The field sampling-based mosquito capturing apparatus includes a capturing component and sealing components, where a plurality of sealing components are provided, and the sealing components are installed in the capturing component.

Preferably, the capturing component includes a capturing box, partition plates, box doors, through grooves, clamping slots, trapping lights and mounting plates, where a plurality of partition plates are provided, and the partition plates are installed in the capturing box; a plurality of box doors are provided, the box doors are installed on an internal front side of the capturing box, and the box doors are located on two sides of the partition plates; a plurality of through grooves are provided, and each of the through grooves is formed in the middle of a front side of the corresponding box door; each of the clamping slots is formed in the middle of a lower inner side of the corresponding through groove; a plurality of trapping lights are provided, and the trapping lights are installed at an internal upper portion of the capturing box; and a plurality of mounting plates are provided, the mounting plates are installed at the internal upper portion of the capturing box, and the mounting plates are located below the trapping lights, where a front end of each of the mounting plates is located on a rear side of the corresponding box door. The capturing box is of a hollow structure, the partition plates are each of a cuboid structure, and the partition plates are arranged at equal intervals. A size of each of the partition plates matches an internal size of the capturing box, where a front side of each of the partition plates is flush with the front side of the capturing box, and each of the partition plates employs a plate body made of a non-transparent material. Each of the box doors employs a plate body made of a transparent material, and the box doors are detachably installed; a depth of the through groove is equal to a thickness of the box door; the mounting plates and the box doors are the same in quantity; and the mounting plates are each of a cuboid structure. The trapping lights are arranged at equal intervals, and each of the trapping lights is provided with a battery pack and a wireless communication module inside; and the trapping lights are connected to the battery packs and the wireless communication modules through wires respectively, where the trapping lights are supplied with power by the battery packs.

The capturing box is divided into a plurality of independent spaces by the partition plates, and 2 mutually independent trapping lights are provided for trapping mosquitoes, such that mosquitoes 0506566 at a plurality of sampling points can be captured respectively, facilitating the respective sampling of the mosquitoes at the plurality of sampling points and improving the work efficiency of the capturing apparatus.

Preferably, each of the sealing components includes a telescopic rod, a sealing plate, a clamping plate and a sealing ring, where a plurality of telescopic rods are provided, and each of the telescopic rods is installed at a lower front end of the corresponding mounting plate; each of the sealing plates 1s installed at a lower end of the corresponding telescopic rod, and each of the sealing plates is located in the corresponding through groove; each of the clamping plates is installed at a lower end of the corresponding sealing plate, and each of the clamping plates is located in the corresponding clamping slot; and each of the sealing rings is installed on a peripheral edge of the corresponding sealing plate. The telescopic rods and the mounting plates are same in quantity; each of the telescopic rods is provided with a battery pack and a wireless communication module inside; and the telescopic rods are connected to the battery packs and the wireless communication modules through wires respectively, where the telescopic rods are supplied with power by the battery packs. The sealing plates are aligned to the through grooves; the sealing plates match the through grooves in size; the clamping plates match the clamping slots in size; the sealing rings match the sealing plates in size; and the sealing rings are configured to seal joints of the sealing plates and the through grooves. A corresponding telescopic rod is controlled to be powered on through an operation for operation, and the telescopic rod drives the sealing plate to move up and down so as to close and open the through groove, such that the mosquitoes enter the capturing box via the through groove, and thus the mosquitoes are captured; and after capturing is completed, the through groove is sealed using the sealing plate, so as to guarantee normal operation of the capturing apparatus.

Preferably, the field sampling-based mosquito capturing apparatus further includes a rubber pad, hanging rings, a handle and suction pipes, where the rubber pad is installed on a lower side of the capturing box; a plurality of hanging rings are provided, and the hanging rings are installed at four corners of an upper side of the capturing box; the handle is installed at the middle of the upper side of the capturing box; a plurality of suction pipes are provided; and the suction pipes are installed on a rear side of the capturing box. The rubber pad is of a cuboid structure; the rubber 3 pad matches the capturing box in size; an edge of the rubber pad is aligned to an edge of the 0506566 capturing box; the hanging rings are arranged symmetrically; the handle is of a reversed U-shaped structure; and an outer side of the handle is provided with a skidproof sleeve. The suction pipes and the box doors are the same in quantity; each of the suction pipes is aligned to the corresponding box door; and the suction pipes communicate with the interior of the capturing box, where a rear side of each of the suction pipes is provided with a rotary cover. When the through grooves are to be sealed using the sealing plates, the sealing rings seal the Joints of the sealing plates and the through grooves to guarantee air tightness of the capturing apparatus. When brought to a laboratory, the capturing apparatus 1s connected to a negative-pressure suction system through the suction pipes, such that the mosquitoes in corresponding independent spaces can be sucked out through the negative-pressure suction system and the suction pipes, facilitating subsequent research on germs carried by mosquitoes. With the handle, it is convenient to move the capturing apparatus, such that the capturing apparatus can be used at different sampling points. With the cooperation of the hanging rings and ropes, it is convenient to hang the capturing apparatus on tree branches at a sampling point, facilitating arrangement of the capturing apparatus, and improving the practicability of the capturing apparatus.

Preferably, the field sampling-based mosquito capturing apparatus further includes an operation panel, where the operation panel is located on the body of an operator, and the operation panel is connected to the telescopic rods and the trapping lights through wireless signals, respectively. The operator controls the corresponding telescopic rods and trapping lights through the operation panel, which facilitates remote control on the capturing apparatus, avoiding influences on the mosquito capturing effect of the capturing apparatus due to approaching of the operator to the capturing apparatus, and improving the work efficiency of the capturing apparatus.

Compared with the prior art, the present invention has the following beneficial effects. 1. With the capturing component provided in the present invention, the capturing box is divided into a plurality of independent spaces by the partition plates, and mutually independent trapping lights are provided for trapping mosquitoes, such that mosquitoes at a plurality of sampling points can be captured respectively, facilitating respective sampling of the mosquitoes at the plurality of sampling points and improving the work efficiency of the capturing apparatus. 2. With the sealing components provided in the present invention, a corresponding telescopic 4 rod is controlled to be powered on through an operation for operation, and the telescopic rod 0506566 drives the sealing plate to move up and down so as to close and open the through groove, such that the mosquitoes enter the capturing box via the through groove, and thus the mosquitoes are captured; and after capturing is completed, the through groove is sealed using the sealing plate, so as to guarantee normal operation of the capturing apparatus. 3. With the sealing components and the suction pipes provided in the present invention, when the through grooves are to be sealed using the sealing plates, the sealing rings seal the joints of the sealing plates and the through grooves to guarantee the air tightness of the capturing apparatus. When brought to the laboratory, the capturing apparatus is connected to the negative-pressure suction system through the suction pipes, such that the mosquitoes in corresponding independent spaces can be sucked out through the negative-pressure suction system and the suction pipes, facilitating subsequent research on germs carried by mosquitoes. 4. With the operation panel provided in the present invention, the operator controls the corresponding telescopic rods and trapping lights through the operation panel, which facilitates remote control on the capturing apparatus, avoiding influences on the mosquito capturing effect of the capturing apparatus due to approaching of the operator to the capturing apparatus, and improving the work efficiency of the capturing apparatus. 5. With the handle and the hanging rings provided in the present invention, with the handle, it is convenient to move the capturing apparatus, such that the capturing apparatus can be used at different sampling points. With the cooperation of the hanging rings and ropes, it is convenient to hang the capturing apparatus on tree branches at a sampling point, facilitating arrangement of the capturing apparatus, and improving the practicability of the capturing apparatus.

Brief Description of the Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of a capturing component and a suction pipe of the present invention.

FIG. 3 is a schematic structural diagram of a capturing component of the present invention.

FIG. 4 is a schematic structural diagram of an internal structure of a capturing box of the present invention.

FIG. 5 is a schematic structural diagram of a sealing component of the present invention. 0506566

In the figures: 1-capturing component; 11-capturing box; 12-partition plate; 13-box door; 14-through groove; 15-clamping slot; 16-trapping light; 17-mounting plate; 2-rubber pad; 3-sealing component; 31-telescopic rod; 32-sealing plate; 33-clamping plate; 34-sealing ring; 4-hanging ring; 5-handle; 6-operation panel; and 7-suction pipe.

Detailed Description of the Invention

The following further describes the present invention with reference to the accompanying drawings.

Embodiment:

As shown in FIG. 1 to FIG. 5, the present invention provides a field sampling-based mosquito capturing apparatus including a capturing component 1 and sealing components 3, where a plurality of sealing components 3 are provided, and the sealing components 3 are installed in the capturing component 1.

In this embodiment, the capturing component 1 includes a capturing box 11, partition plates 12, box doors 13, through grooves 14, clamping slots 15, trapping lights 16 and mounting plates 17, where a plurality of partition plates 12 are provided, and the partition plates 12 are installed in the capturing box 11. A plurality of box doors 13 are provided, the box doors 13 are installed on an internal front side of the capturing box 11, and the box doors 13 are located on two sides of the partition plates 12. A plurality of through grooves 14 are provided, and each of the through grooves 14 is formed in the middle of a front side of the corresponding box door 13. Each of the clamping slots 15 is formed in the middle of a lower inner side of the corresponding through groove 14. A plurality of trapping lights 16 are provided, and the trapping lights 16 are installed at an internal upper portion of the capturing box 11. A plurality of mounting plates 17 are provided, the mounting plates 17 are installed at the internal upper portion of the capturing box 11, and the mounting plates 17 are located below the trapping lights 16, where a front end of each of the mounting plates 17 is located on a rear side of the corresponding box door 13. The capturing box 11 is of a hollow structure, the partition plates 12 are each of a cuboid structure, and the partition plates 12 are arranged at equal intervals. À size of each of the partition plates 12 matches an 6 internal size of the capturing box 11, where a front side of each of the partition plates 12 is flush 7504566 with the front side of the capturing box 11, and each of the partition plates 12 employs a plate body made of a non-transparent material. Each of the box doors 13 employs a plate body made of a transparent material, and the box doors 13 are detachably installed. A depth of the through groove 14 is equal to a thickness of the box door 13. The mounting plates 17 and the box doors 13 are the same in quantity; and the mounting plates 17 are each of a cuboid structure. The trapping lights 16 are arranged at equal intervals. Each of the trapping lights 16 is provided with a battery pack and a wireless communication module inside. The trapping lights 16 are connected to the battery packs and the wireless communication modules through wires respectively, where the trapping lights 16 are supplied with power by the battery packs. The capturing box 11 is divided into a plurality of independent spaces by the partition plates 12, and mutually independent trapping lights 16 are provided for trapping mosquitoes, such that mosquitoes at a plurality of sampling points can be captured respectively, facilitating the respective sampling of the mosquitoes at the plurality of sampling points and improving the work efficiency of the capturing apparatus.

In this embodiment, each of the sealing components 3 includes a telescopic rod 31, a sealing plate 32, a clamping plate 33 and a sealing ring 34. A plurality of telescopic rods 31 are provided, and each of the telescopic rods 31 is installed at a lower front end of the corresponding mounting plate 17. Each of the sealing plates 32 is installed at a lower end of the corresponding telescopic rod 31, and each of the sealing plates 32 is located in the corresponding through groove 14. Each of the clamping plates 33 is installed at a lower end of the corresponding sealing plate 32, and each of the clamping plates 33 is located in the corresponding clamping slot 15. Each of the sealing rings 34 is installed on a peripheral edge of the corresponding sealing plate 32. The telescopic rods 31 and the mounting plates 17 are the same in quantity. Each of the telescopic rods 31 is provided with a battery pack and a wireless communication module inside. The telescopic rods 31 are connected to the battery packs and the wireless communication modules through wires respectively, where the telescopic rods 31 are supplied with power by the battery packs. The sealing plates 32 are aligned to the through grooves 14. The sealing plates 32 match the through grooves 14 in size. The clamping plates 33 match the clamping slots 15 in size. The sealing rings 34 match the sealing plates 32 in size. The sealing rings 34 are configured to seal joints of the 7 sealing plates 32 and the through grooves 14. A corresponding telescopic rod 31 is controlled to be 0506566 powered on through the operation panel 6 for operation, and the telescopic rod 31 drives the sealing plate 32 to move up and down so as to close and open the through groove 14, such that the mosquitoes enter the capturing box 11 via the through groove 14, and thus the mosquitoes are captured. After capturing is completed, the through groove 14 is sealed using the sealing plate 32, so as to guarantee normal operation of the capturing apparatus. When the through grooves 14 are to be scaled using the sealing plates 32, the sealing rings 34 seal the joints of the sealing plates 32 and the through grooves 14 to guarantee air tightness of the capturing apparatus. When brought to a laboratory, the capturing apparatus is connected to a negative-pressure suction system through the suction pipes 7, such that the mosquitoes in corresponding independent spaces can be sucked out through the negative-pressure suction system and the suction pipes 7, facilitating subsequent research on germs carried by mosquitoes.

In this embodiment, the field sampling-based mosquito capturing apparatus further includes a rubber pad 2, hanging rings 4, a handle 5 and suction pipes 7. The rubber pad 2 is installed on a lower side of the capturing box 11. A plurality of hanging rings 4 are provided, and the hanging rings 4 are installed at four corners of an upper side of the capturing box 11. The handle 5 is installed at the middle of the upper side of the capturing box 11. A plurality of suction pipes 7 are provided. The suction pipes 7 are installed on a rear side of the capturing box 11. The rubber pad 2 is of a cuboid structure. The rubber pad 2 matches the capturing box 11 in size. An edge of the rubber pad 2 is aligned to an edge of the capturing box 11. The hanging rings 4 are arranged symmetrically. The handle 5 is of a reversed U-shaped structure. An outer side of the handle 5 is provided with a skidproof sleeve. The suction pipes 7 and the box doors 13 are the same in quantity. Each of the suction pipes 7 is aligned to the corresponding box door 13. The suction pipes 7 communicate with the interior of the capturing box 11, where a rear side of each of the suction pipes 7 is provided with a rotary cover. With the handle 5, it is convenient to move the capturing apparatus, such that the capturing apparatus can be used at different sampling points.

With the cooperation of the hanging rings 4 and ropes, it is convenient to hang the capturing apparatus on tree branches at a sampling point, facilitating arrangement of the capturing apparatus, and improving the practicability of the capturing apparatus.

In this embodiment, the field sampling-based mosquito capturing apparatus further includes 8 an operation panel 6. The operation panel 6 is located on the body of an operator, and the 0506566 operation panel 6 is connected to the telescopic rods 31 and the trapping lights 16 through wireless signals, respectively. The operator controls the corresponding telescopic rods 31 and trapping lights 16 through the operation panel 6, which facilitates remote control on the capturing apparatus, avoiding influences on the mosquito capturing effect of the capturing apparatus due to approaching of the operator to the capturing apparatus, and improving the work efficiency of the capturing apparatus.

Operating principle

In the present invention, during use, with the handle 5, it is convenient to move the capturing apparatus, such that the capturing apparatus can be used at different sampling points. With the cooperation of the hanging rings 4 and ropes, it is convenient to hang the capturing apparatus on tree branches at a sampling point, facilitating arrangement of the capturing apparatus, and improving the practicability of the capturing apparatus. The operator controls the corresponding telescopic rods 31 and trapping lights 16 through the operation panel 6, which facilitates remote control on the capturing apparatus, avoiding influences on the mosquito capturing effect of the capturing apparatus due to approaching of the operator to the capturing apparatus, and improving the work efficiency of the capturing apparatus. The capturing box 11 is divided into a plurality of independent spaces by the partition plates 12, and mutually independent trapping lights 16 are provided for trapping mosquitoes, such that mosquitoes at a plurality of sampling points can be captured respectively, facilitating the respective sampling of the mosquitoes at the plurality of sampling points and improving the work efficiency of the capturing apparatus. A corresponding telescopic rod 31 is controlled to be powered on through the operation panel 6 for operation, and the telescopic rod 31 drives the sealing plate 32 to move up and down so as to close and open the through groove 14, such that the mosquitoes enter the capturing box 11 via the through groove 14, and thus the mosquitoes are captured. After capturing is completed, the through groove 14 is scaled using the sealing plate 32, so as to guarantee normal operation of the capturing apparatus.

When the through grooves 14 are to be sealed using the sealing plates 32, the sealing rings 34 seal the joints of the sealing plates 32 and the through grooves 14 to guarantee air tightness of the capturing apparatus. When brought to a laboratory, the capturing apparatus is connected to a 9 negative-pressure suction system through the suction pipes 7, such that the mosquitoes in corresponding independent spaces can be sucked out through the negative-pressure suction system and the suction pipes 7, facilitating subsequent research on germs carried by mosquitoes.

All similar technical solutions designed based on the technical solutions of the present invention or designed by those skilled in the art under inspiration of the technical solutions of the present invention, with the foregoing technical effects achieved, shall fall within the protection scope of the present invention.

Claims

1. A field sampling-based mosquito capturing apparatus, characterized by comprising a capturing component (1) and sealing components (3), wherein a plurality of sealing components (3) are provided, and the sealing components (3) are installed in the capturing component (1); the capturing component (1) comprises a capturing box (11), partition plates (12), box doors (13), through grooves (14), clamping slots (15), trapping lights (16) and mounting plates (17), wherein a plurality of partition plates (12) are provided, and the partition plates (12) are installed in the capturing box (11); a plurality of box doors (13) are provided, the box doors (13) are installed on an internal front side of the capturing box (11), and the box doors (13) are located on two sides of the partition plates (12); a plurality of through grooves (14) are provided, and each of the through grooves (14) is formed in the middle of a front side of the corresponding box door (13); each of the clamping slots (15) is formed in the middle of a lower inner side of the corresponding through groove (14); a plurality of trapping lights (16) are provided, and the trapping lights (16) are installed at an internal upper portion of the capturing box (11); and a plurality of mounting plates (17) are provided, the mounting plates (17) are installed at the internal upper portion of the capturing box (11), and the mounting plates (17) are located below the trapping lights (16), wherein a front end of each of the mounting plates (17) is located on a rear side of the corresponding box door (13); and each of the sealing components (3) comprises a telescopic rod (31), a sealing plate (32), a clamping plate (33) and a sealing ring (34), wherein a plurality of telescopic rods (31) are provided, and each of the telescopic rods (31) is installed at a lower front end of the corresponding mounting plate (17); each of the sealing plates (32) is installed at a lower end of the corresponding telescopic rod (31), and each of the sealing plates (32) is located in the corresponding through groove (14); each of the clamping plates (33) is installed at a lower end of the corresponding sealing plate (32), and each of the clamping plates (33) is located in the corresponding clamping slot (15); and each of the sealing rings (34) is installed on a peripheral edge of the corresponding sealing plate (32).

2. The field sampling-based mosquito capturing apparatus according to claim 1, characterized 1 by further comprising a rubber pad (2), hanging rings (4), a handle (5) and suction pipes (7), 0506566 wherein the rubber pad (2) is installed on a lower side of the capturing box (11); a plurality of hanging rings (4) are provided, and the hanging rings (4) are installed at four corners of an upper side of the capturing box (11); the handle (5) is installed at the middle of the upper side of the capturing box (11); a plurality of suction pipes (7) are provided; and the suction pipes (7) are installed on a rear side of the capturing box (11).

3. The field sampling-based mosquito capturing apparatus according to claim 1, characterized by further comprising an operation panel (6), wherein the operation panel (6) is located on the body of an operator, and the operation panel (6) is connected to the telescopic rods (31) and the trapping lights (16) through wireless signals, respectively.

4. The field sampling-based mosquito capturing apparatus according to claim 1, characterized in that the capturing box (11) is of a hollow structure; the partition plates (12) are each of a cuboid structure, and the partition plates (12) are arranged at equal intervals; and a size of each of the partition plates (12) matches an internal size of the capturing box (11), wherein a front side of each of the partition plates (12) is flush with the front side of the capturing box (11), and each of the partition plates (12) employs a plate body made of a non-transparent material.

5. The field sampling-based mosquito capturing apparatus according to claim 1, characterized in that each of the box doors (13) employs a plate body made of a transparent material, and the box doors (13) are detachably installed; a depth of the through groove (14) is equal to a thickness of the box door (13); the mounting plates (17) and the box doors (13) are the same in quantity; and the mounting plates (17) are each of a cuboid structure.

6. The field sampling-based mosquito capturing apparatus according to claim 1, characterized in that the trapping lights (16) are arranged at equal intervals, wherein each of the trapping lights (16) is provided with a battery pack and a wireless communication module inside; and the trapping lights (16) are connected to the battery packs and the wireless communication modules through wires respectively, wherein the trapping lights (16) are supplied with power by the battery packs.

7. The field sampling-based mosquito capturing apparatus according to claim 1, characterized in that the telescopic rods (31) and the mounting plates (17) are the same in quantity; each of the telescopic rods (31) is provided with a battery pack and a wireless communication module inside; and the telescopic rods (31) are connected to the battery packs and the wireless communication 2 modules through wires respectively, wherein the telescopic rods (31) are supplied with power by 0506566 the battery packs.

8. The field sampling-based mosquito capturing apparatus according to claim 1, characterized in that the sealing plates (32) are aligned to the through grooves (14); the sealing plates (32) match the through grooves (14) in size; the clamping plates (33) match the clamping slots (15) in size; the sealing rings (34) match the sealing plates (32) in size; and the sealing rings (34) are configured to seal joints of the sealing plates (32) and the through grooves (14).

9. The field sampling-based mosquito capturing apparatus according to claim 2, characterized in that the rubber pad (2) is of a cuboid structure; the rubber pad (2) matches the capturing box (11) in size; an edge of the rubber pad (2) is aligned to an edge of the capturing box (11); the hanging rings (4) are arranged symmetrically; the handle (5) is of a reversed U-shaped structure; and an outer side of the handle (5) is provided with a skidproof sleeve.

10. The field sampling-based mosquito capturing apparatus according to claim 2, characterized in that the suction pipes (7) and the box doors (13) are the same in quantity; each of the suction pipes (7) is aligned to the corresponding box door (13); and the suction pipes (7) communicate with the interior of the capturing box (11), wherein a rear side of each of the suction pipes (7) is provided with a rotary cover. 3