CN220712616U

CN220712616U - Portal midges medium biological trapping lamp

Info

Publication number: CN220712616U
Application number: CN202322456389.8U
Authority: CN
Inventors: 蔡丽萍; 耿合员; 彭利明; 陈建峰
Original assignee: Changshu Customs Comprehensive Technical Service Center
Current assignee: Changshu Customs Comprehensive Technical Service Center
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-05
Anticipated expiration: 2033-09-11

Abstract

A biological trapping lamp for a biting midge medium belongs to the technical field of insect monitoring. Comprising the following steps: the top of the upper fixing frame body is provided with a hook; the lower fixing plate is arranged at the lower position of the upper fixing frame body; a plurality of connecting plates are arranged between the upper fixing frame body and the lower fixing plate; the light source assembly is connected below the upper fixing frame body and comprises a plurality of trapping lamp bodies; the base cylinder is detachably connected to the bottom of the lower fixing plate; the collecting cylinder body is detachably connected to the lower position of the base cylinder body, the inner cavity of the collecting cylinder body is communicated with the inner cavity of the base cylinder body, and a collecting cylinder body gauze is arranged at the bottom of the inner cavity of the collecting cylinder body; a conical inner net accommodated in the inner cavities of the collecting cylinder and the base cylinder; the negative pressure fan is connected to the lower position of the collecting cylinder; and the control module is arranged at the upper part of the upper fixing frame body and is electrically connected with the light source assembly. The advantages are that: the trapping efficiency is improved, and convenience in taking out midges is realized.

Description

Portal midges medium biological trapping lamp

Technical Field

The utility model belongs to the technical field of insect monitoring, and particularly relates to a biological trapping lamp for a biting midge medium.

Background

The midges are small-sized midges of the family diptera, which are small, slender or short and thick, and bite people, which are called as 'bite', and are commonly called as 'ink mosquito' because the adult body is black or dark brown. Eggs of biting midges are frequently laid in moist soil, ponds, tree holes, water holes and the like which are rich in organic matters, and adults are frequently hidden in light-resistant and windless places such as holes, weeds, woodlands, stable houses and the like. Biting midges are the smallest known blood sucking insects for humans, and biting midges often experience local reactions and itching, and even cause systemic allergic reactions, while biting midges are an insect that can spread a variety of diseases. More than 20 species of midges-mediated viral diseases have been studied, including some zoonotic diseases, and in addition to some nematodes and protozoa, more than 50 arboviruses have been isolated from culicoides, including bluetongue, epidemic hemorrhagic fever, african horse sickness, and the like, with significant economic impact.

Biting midges are a common disease vector, which can carry a plurality of pathogenic microorganisms to spread and endanger human health and destroy an ecological system, so that the biting midges are particularly important to capture and detect. The existing trapping and detecting methods for biting midges mostly adopt trapping lamp trapping modes. Specifically, the trap lamp is a lamp for attracting and killing phototactic insects, and mainly comprises a base and a trap device, wherein the trap device is arranged on the base and mainly comprises a frame body, a luminous element (LED lamp tube), a collector and related insect attracting agents, the trap lamp utilizes phototactic characteristics of midges insects, light generated by the luminous element is used for attracting the midges to approach, and unique sweet smell is used for attracting the midges to enter the collector so as to achieve the purpose of trapping the midges. However, the insect attractant of the trap lamp is placed in the accommodating space formed by the base, and is difficult to uniformly disperse in the space at the upper part in the use process, so that the number of biting midges entering the collector is small, and the trapping effect is poor; and trap lamp adopts integral type structure mostly, and the dismouting process is wasted time and energy, can't realize the collection of midge class insect fast convenient to be inconvenient for trap lamp inside cleanness and reinforced processing, reduced the cleaning efficiency of trap lamp.

In view of the above, there is a need for a design that improves upon existing insect trap lamp designs. To this end, the applicant has made an advantageous design, and the technical solutions described below are produced in this context.

Disclosure of Invention

The utility model aims to provide the portable and reliable biological trapping lamp for the biting midges media, which has a compact structure, is convenient and reliable to use, is beneficial to improving trapping efficiency by arranging the light source assembly with the single-tube double-light lamp and the negative pressure fan, and is beneficial to realizing the convenience of taking out the biting midges media biology and the convenience of cleaning and maintenance by detachably installing the components.

The task of the present utility model is accomplished by a biting midge vector biological trap, comprising: the upper fixing frame body is provided with a hook at the top; the lower fixing plate is arranged below the upper fixing frame body, a lower fixing plate through hole penetrating through the lower fixing plate in the thickness direction is formed in the lower fixing plate, and a lower fixing plate threaded part is formed on the lower side surface of the lower fixing plate in a protruding mode; the connecting plates are vertically arranged between the upper fixing frame body and the lower fixing plate in a state of being spaced from each other, and a channel for allowing midges to enter organisms is formed between two adjacent connecting plates; the light source assembly is connected below the upper fixing frame body and comprises a plurality of trapping lamp bodies and a base barrel, a base barrel threaded part is formed on the inner peripheral side wall of the base barrel, and the base barrel threaded part is matched with the lower fixing plate threaded part and can be screwed together, so that the base barrel is detachably connected to the bottom of the lower fixing plate; the collecting cylinder body is detachably connected to the lower position of the base cylinder body, the inner cavity of the collecting cylinder body is communicated with the inner cavity of the base cylinder body, and a collecting cylinder body gauze is further arranged at the bottom position of the inner cavity of the collecting cylinder body; the conical inner net is in a conical structure with a large upper part and a small lower part, and is integrally accommodated in the inner cavities of the collecting cylinder body and the base cylinder body; the negative pressure fan is connected to the lower position of the collecting cylinder and is used for providing wind power from top to bottom in the vertical direction; and the control module is arranged at the upper part of the upper fixing frame body and is electrically connected with the light source assembly.

In a specific embodiment of the utility model, the trapping lamp body is a 4W single-tube double-light lamp, and the spectrum of the trapping lamp body has two peaks, namely 360nm and 580nm.

In another specific embodiment of the present utility model, the light source assembly further includes a mounting frame body and a light source cover body, the mounting frame body is connected to the lower side surface of the upper mounting frame body in a vertical state, the trapping lamp body is fixedly disposed on the mounting frame body, the light source cover body is sleeved on the mounting frame body and the trapping lamp body and is mounted on the lower side surface of the upper mounting frame body, and the mounting frame body and the trapping lamp body are accommodated in the cavity of the light source cover body.

In a further specific embodiment of the utility model, a conical inner net top opening for midges to enter is formed at the upper end part of the conical inner net, and the light source assembly is arranged at a position above the conical inner net top opening; and the lower end part of the conical inner net is provided with a conical inner net bottom opening which can be used for midges to enter the space between the collecting cylinder body and the conical inner net, and the collecting cylinder body gauze is positioned below the conical inner net bottom opening.

In still another specific embodiment of the present utility model, a ring of tapered inner mesh edge positioning ring is formed at the top end edge position of the tapered inner mesh, the upper part of the tapered inner mesh edge positioning ring is designed as an opening, a ring of tapered inner mesh connection step is formed on the inner peripheral side wall of the base barrel, and the tapered inner mesh edge positioning ring can be assembled and installed on the tapered inner mesh connection step in an embedded manner; and an elastic compression ring is further arranged on the conical inner net edge positioning ring, and the elastic compression ring can be sleeved in the conical inner net edge positioning ring and realize connection between the conical inner net and the base cylinder.

In still another specific embodiment of the present utility model, a circle of collecting cylinder fitting protrusions are convexly formed at the top end of the collecting cylinder, and a circle of base cylinder fitting grooves are formed at the bottom end of the base cylinder at positions corresponding to the collecting cylinder fitting protrusions, and the shape of the base cylinder fitting grooves is matched with that of the collecting cylinder fitting protrusions and the base cylinder fitting grooves and the collecting cylinder fitting protrusions can be connected together in a clamping manner, so that detachable connection of the base cylinder and the collecting cylinder is achieved.

In a further specific embodiment of the utility model, an anesthetic volatilization box is also arranged on the inner peripheral side wall of the collecting cylinder body, the anesthetic volatilization box is used for diffusing anesthetic gas capable of anesthetizing midges, and the anesthetic volatilization box is positioned and arranged at the lower position of the conical inner net.

In a further specific embodiment of the present utility model, the negative pressure fan includes a housing, and blades disposed in the housing, the housing is connected to the lower position of the collecting cylinder, and the negative pressure fan further includes a driving module disposed below the housing, and the driving module is used for driving the blades to rotate.

In still another specific embodiment of the present utility model, a collecting cylinder connecting flange plate is further formed at the bottom of the collecting cylinder, the collecting cylinder connecting flange plate is in a square plate body shape structure, collecting cylinder connecting holes are formed at all around corners of the collecting cylinder connecting flange plate, a housing connecting hole is formed on the housing of the negative pressure fan and at a position corresponding to the collecting cylinder connecting hole, a collecting cylinder connecting screw is further arranged in the collecting cylinder connecting hole, the collecting cylinder connecting screw sequentially penetrates through the collecting cylinder connecting hole and the housing connecting hole, and the collecting cylinder connecting screw and the housing connecting hole are screwed together, so that connection between the negative pressure fan and the collecting cylinder is achieved.

In yet another specific embodiment of the present utility model, the apertures of the conical inner mesh and the barrel gauze are each 0.7mm to 0.9mm.

The technical scheme provided by the utility model has the technical effects that: firstly, through the trapping lamp body with two peak spectrums, the former peak of the trapping lamp body is in an ultraviolet part, the latter peak of the trapping lamp body is in a yellow light range, biting midges are widely attracted by utilizing the synergistic effect of long and short wavelengths, trapping efficiency is improved, in addition, negative pressure air flow is manufactured through the negative pressure fan, and the biting midges are sucked into the collecting cylinder downwards from the trapping lamp body, so that efficient trapping of the biting midges is realized; second, through realizing the detachable installation between each part, the base barrel is detachably installed in the below of lower fixed plate, and collect the barrel and equally detachably install the bottom of lower fixed plate, overall structure simple to operate, it is convenient to dismantle, has promoted the convenience of clean maintenance to can realize simple and convenient swift midge insect and take out the operation.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is an exploded view of a three-dimensional structure according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of the internal structure of an embodiment of the present utility model.

In the figure: 1. an upper fixing frame body 11, a hook; 2. a lower fixing plate, 21. A lower fixing plate through hole, 22. A lower fixing plate thread part; 3. a connecting plate; 4. the light source assembly 41, the trapping lamp body 42, the mounting frame body 43 and the light source cover body; 5. the device comprises a base cylinder body and a base cylinder body, wherein the base cylinder body comprises a base cylinder body threaded part and a base cylinder body threaded part, the base cylinder body threaded part is a conical inner net connecting step, and the base cylinder body is a base cylinder body embedded groove; 6. collecting cylinder, collecting cylinder gauze, collecting cylinder embedding bulges, anesthetic volatilization boxes, collecting cylinder connecting flange plates, 641, collecting cylinder connecting holes, 642 and collecting cylinder connecting screws; 7. the device comprises a conical inner net, a conical inner net top opening, a conical inner net bottom opening, a conical inner net edge positioning ring and an elastic compression ring, wherein the conical inner net is 71; 8. a negative pressure fan, 81, a housing, 811, a housing connecting hole, 82, fan blades, 83, and a drive module; 9. and a control module.

Detailed Description

In order that the technical spirit and advantages of the present utility model may be more clearly understood, reference will now be made in detail to the following examples, which are not intended to limit the scope of the utility model, but rather are merely equivalent in form to the present utility model.

In the following description, all concepts related to the directions or azimuths of up, down, left, right, front and rear are based on the position state of fig. 1, and thus should not be construed as a specific limitation on the technical solution provided by the present utility model.

Referring to fig. 1-3, there is shown a biting midge vector bio-trap lamp comprising: an upper fixing frame body 1, a hook 11 is arranged at the top of the upper fixing frame body 1; a lower fixing plate 2, wherein the lower fixing plate 2 is arranged at the lower position of the upper fixing frame body 1, a lower fixing plate through hole 21 penetrating through the thickness direction of the lower fixing plate 2 is arranged on the lower fixing plate 2, and a lower fixing plate thread part 22 is formed on the lower side surface of the lower fixing plate 2 in a protruding manner; a plurality of connecting plates 3, wherein the connecting plates 3 are vertically arranged between the upper fixing frame body 1 and the lower fixing plate 2 in a state of being spaced from each other, and a channel for allowing midges to enter organisms is formed between two adjacent connecting plates 3; the light source assembly 4 is connected below the upper fixing frame body 1, the light source assembly 4 comprises a plurality of trapping lamp bodies 41, the trapping lamp bodies 41 are 4W single-tube double-light lamps, the spectrum of the trapping lamp bodies 41 has two peaks which are respectively 360nm and 580nm, and the trapping lamp bodies 41 are used for attracting midges medium organisms; a base cylinder 5, a base cylinder screw thread part 51 is formed on the inner circumference side wall of the base cylinder 5, the base cylinder screw thread part 51 is matched with the lower fixing plate screw thread part 22 and can be screwed together, so that the base cylinder 5 is detachably connected with the bottom of the lower fixing plate 2; a collecting cylinder 6, the collecting cylinder 6 is detachably connected to the lower position of the base cylinder 5, the internal cavity of the collecting cylinder 6 is communicated with the internal cavity of the base cylinder 5, and a collecting cylinder gauze 61 is further arranged at the bottom position of the internal cavity of the collecting cylinder 6; a conical inner net 7 with a conical shape with a big top and a small bottom, wherein the conical inner net 7 is integrally accommodated in the inner cavities of the collecting cylinder 6 and the base cylinder 5; a negative pressure fan 8, the negative pressure fan 8 is connected to the lower position of the collecting cylinder 6, the negative pressure fan 8 is used for providing wind power from top to bottom along the vertical direction; the control module 9 is installed at the upper part of the upper fixing frame body 1, the control module 9 is electrically connected with the light source assembly 4, and the control module 9 can control the switch and the on time of the trapping lamp body 41.

It should be noted that: through setting up and collecting barrel gauze 61, midge class medium biology can not drop in negative pressure fan 8, thereby avoided the physics striking of negative pressure fan 8 to destroy the little fragile midge worm and influence the monitoring count result, also played the guard action to negative pressure fan 8 simultaneously.

With reference to fig. 1 and 2, the light source assembly 4 further includes a mounting frame 42 and a light source cover 43, the mounting frame 42 is vertically connected to the lower surface of the upper mounting frame 1, the trapping lamp 41 is fixedly disposed on the mounting frame 42, the light source cover 43 is sleeved on the mounting frame 42 and the trapping lamp 41 and is mounted on the lower surface of the upper mounting frame 1, the mounting frame 42 and the trapping lamp 41 are accommodated in the cavity of the light source cover 43, and the light source cover 43 is made of transparent material and can protect the trapping lamp 41.

Referring to fig. 3, a conical inner net top opening 71 for allowing midges to enter is provided at the upper end of the conical inner net 7, and the light source assembly 4 is disposed above the conical inner net top opening 71; a conical inner net bottom opening 72 through which midges medium can enter the space between the collecting cylinder 6 and the conical inner net 7 is formed at the lower end of the conical inner net 7, and the collecting cylinder gauze 61 is positioned below the conical inner net bottom opening 72.

Further, a ring of inner net edge positioning ring 73 is formed at the top end edge position of the conical inner net 7, the upper part of the inner net edge positioning ring 73 is of an open design, a ring of inner net connecting step 52 is formed on the inner peripheral side wall of the base cylinder 5, and the inner net edge positioning ring 73 can be embedded and installed on the inner net connecting step 52; an elastic compression ring 74 is further arranged on the conical inner net edge positioning ring 73, and the elastic compression ring 74 can be sleeved in the conical inner net edge positioning ring 73 and realize the connection between the conical inner net 7 and the base cylinder 5; and this elasticity clamp ring 7 can realize the reliable fixed of toper intranet 7 and base barrel 5 to joint strength is high, easy dismounting.

In this embodiment, a ring of collecting cylinder fitting protrusions 62 is protruded at the top end of the collecting cylinder 6, and a ring of base cylinder fitting grooves 53 is protruded at the bottom end of the base cylinder 5 and at a position corresponding to the collecting cylinder fitting protrusions 62, and the shape of the base cylinder fitting grooves 53 is adapted to the shape of the collecting cylinder fitting protrusions 62 and the base cylinder fitting grooves and the collecting cylinder fitting protrusions can be engaged with each other, thereby detachably connecting the base cylinder 5 and the collecting cylinder 6.

With continued reference to fig. 2 and 3, an anesthetic volatilization box 63 is further mounted on the inner peripheral side wall of the collecting cylinder 6, the anesthetic volatilization box 63 is used for diffusing anesthetic gas capable of anesthetizing midges, and the anesthetic volatilization box 63 is positioned below the conical inner net 7.

In this embodiment, the negative pressure fan 8 includes a housing 81 and blades 82 disposed in the housing 81, the housing 81 is connected to the lower position of the collecting cylinder 6, and the negative pressure fan 8 further includes a driving module 83 disposed at the lower position of the housing 81, and the driving module 83 is used for driving the blades 82 to rotate.

Further, a collecting cylinder connecting flange plate 64 is formed at the bottom of the collecting cylinder 6, the collecting cylinder connecting flange plate 64 is formed in a square plate shape, a collecting cylinder connecting hole 641 is formed at the corners around the collecting cylinder connecting flange plate 64, a housing connecting hole 811 is formed at the housing 81 of the negative pressure fan 8 and at a position corresponding to the collecting cylinder connecting hole 641, a collecting cylinder connecting screw 642 is further provided in the collecting cylinder connecting hole 641, the collecting cylinder connecting screw 642 sequentially passes through the collecting cylinder connecting hole 641 and the housing connecting hole 811, and the collecting cylinder connecting screw 642 is screwed with the housing connecting hole 811, thereby connecting the negative pressure fan 8 and the collecting cylinder 6.

Preferably, the diameter of the cone-shaped inner net 7 and the diameter of the cylinder gauze 61 are both 0.7mm to 0.9mm.

Referring to fig. 1 and 2 in combination with fig. 3, the applicant briefly describes the working principle of the technical solution provided by the present utility model: when the midges are required to be trapped, the whole device is firstly hung to a proper position at a height of 1.5 m from the ground by utilizing the hanging hook 11 and is required to start to work about one hour after sunset, meanwhile, the whole device is preferably placed in a place without other light sources and blood source interference, the trapping time is between half an hour and one hour, the trapping lamp body 41 and the negative pressure fan 8 are started by the control module 9, after the midges are attracted by light rays with specific spectrum, the midges are gathered on the light source cover body 43 of the light source assembly 4, and the midges are guided by the negative pressure fan 8, pass downwards through the through hole 21 of the lower fixing plate and enter the collecting cylinder 6 through the opening 72 at the bottom of the conical inner net, and at the moment, the anesthetic volatilization box 63 can emit anesthetic gas to anesthetize the midges; meanwhile, when midges medium organisms need to be taken out from the collecting cylinder 6, the trapping lamp body 41 and the negative pressure fan 8 are turned off, the base cylinder 5 can be screwed off from the lower fixing plate 2, the base cylinder 5 and the collecting cylinder 6 are disassembled, and midges are collected from the collecting cylinder 6; and during cleaning and maintenance, the disassembly among all the parts can be realized, and the disassembly is very convenient and efficient.

In summary, the technical scheme provided by the utility model overcomes the defects in the prior art, successfully completes the task of the utility model, and faithfully honors the technical effects carried by the applicant in the technical effect column above.

Claims

1. A biting midge based vector biological trap, comprising: an upper fixing frame body (1), wherein a hook (11) is arranged at the top of the upper fixing frame body (1); a lower fixing plate (2), wherein the lower fixing plate (2) is arranged at the lower position of the upper fixing frame body (1), a lower fixing plate through hole (21) penetrating through the thickness direction of the lower fixing plate (2) is formed on the lower fixing plate (2), and a lower fixing plate thread part (22) is formed on the lower side surface of the lower fixing plate (2) in a protruding manner; the connecting plates (3) are vertically arranged between the upper fixing frame body (1) and the lower fixing plate (2) in a state of being spaced from each other, and a channel for allowing midges to enter organisms is formed between two adjacent connecting plates (3); the light source assembly (4) is connected below the upper fixing frame body (1), and the light source assembly (4) comprises a plurality of trapping lamp bodies (41); a base cylinder (5), wherein a base cylinder screw thread part (51) is formed on the inner peripheral side wall of the base cylinder (5), the base cylinder screw thread part (51) is matched with the lower fixing plate screw thread part (22) and can be screwed together, so that the base cylinder (5) is detachably connected to the bottom of the lower fixing plate (2); the collecting cylinder body (6) is detachably connected to the lower position of the base cylinder body (5), the inner cavity of the collecting cylinder body (6) is communicated with the inner cavity of the base cylinder body (5), and a collecting cylinder body gauze (61) is further arranged at the bottom position of the inner cavity of the collecting cylinder body (6); a conical inner net (7) with a conical shape with a big top and a small bottom, wherein the conical inner net (7) is integrally accommodated in the inner cavities of the collecting cylinder (6) and the base cylinder (5); a negative pressure fan (8), wherein the negative pressure fan (8) is connected to the lower position of the collecting cylinder (6), and the negative pressure fan (8) is used for providing wind power from top to bottom along the vertical direction; and a control module (9) is arranged at the upper part of the upper fixing frame body (1), and the control module (9) is electrically connected with the light source assembly (4).

2. A biting midge vector biological trap as defined in claim 1, wherein: the trapping lamp body (41) is a 4W single-tube double-light lamp, and the spectrum of the trapping lamp body (41) has two peaks, namely 360nm and 580nm.

3. A biting midge vector biological trap as defined in claim 1, wherein: the light source assembly (4) further comprises a mounting frame body (42) and a light source cover body (43), the mounting frame body (42) is connected to the lower side surface of the upper fixing frame body (1) in a vertical state, the trapping lamp body (41) is fixedly arranged on the mounting frame body (42), the light source cover body (43) is sleeved on the mounting frame body (42) and the trapping lamp body (41) and is mounted on the lower side surface of the upper fixing frame body (1), and the mounting frame body (42) and the trapping lamp body (41) are accommodated in the cavity of the light source cover body (43).

4. A biting midge vector biological trap as defined in claim 1, wherein: a conical inner net top opening (71) for allowing midges medium organisms to enter is formed in the upper end part of the conical inner net (7), and the light source assembly (4) is arranged above the conical inner net top opening (71); and a conical inner net bottom opening (72) for allowing midges medium organisms to enter a space between the collecting cylinder (6) and the conical inner net (7) is formed at the lower end part of the conical inner net (7), and the collecting cylinder gauze (61) is positioned at the lower position of the conical inner net bottom opening (72).

5. A biting midge vector biological trap as defined in claim 4, wherein: a circle of conical inner net edge positioning rings (73) are formed at the edge positions of the top end parts of the conical inner net (7), the upper parts of the conical inner net edge positioning rings (73) are of an opening design, a circle of conical inner net connecting steps (52) are formed on the inner peripheral side wall of the base cylinder body (5), and the conical inner net edge positioning rings (73) can be embedded and installed on the conical inner net connecting steps (52); and an elastic compression ring (74) is further arranged on the conical inner net edge positioning ring (73), and the elastic compression ring (74) can be sleeved in the conical inner net edge positioning ring (73) and realize connection of the conical inner net (7) and the base cylinder body (5).

6. A biting midge vector biological trap as defined in claim 1, wherein: the top end part of the collecting cylinder body (6) is convexly provided with a circle of collecting cylinder body embedded protruding part (62), the bottom end part of the base cylinder body (5) is provided with a circle of base cylinder body embedded groove (53) at the position corresponding to the collecting cylinder body embedded protruding part (62), the shape of the base cylinder body embedded groove (53) is matched with that of the collecting cylinder body embedded protruding part (62) and the base cylinder body embedded groove and the collecting cylinder body embedded protruding part and the base cylinder body embedded protruding part can be connected together in a clamping fit mode, and therefore detachable connection of the base cylinder body (5) and the collecting cylinder body (6) is achieved.

7. A biting midge vector biological trap as defined in claim 1, wherein: an anesthetic volatilization box (63) is further arranged on the inner peripheral side wall of the collecting cylinder body (6), the anesthetic volatilization box (63) is used for diffusing anesthetic gas capable of anesthetizing midges media biology, and the anesthetic volatilization box (63) is positioned and arranged at the lower position of the conical inner net (7).

8. A biting midge vector biological trap as defined in claim 1, wherein: the negative pressure fan (8) comprises a shell (81) and fan blades (82) arranged in the shell (81), the shell (81) is connected to the position below the collecting cylinder (6), the negative pressure fan (8) further comprises a driving module (83) arranged at the position below the shell (81), and the driving module (83) is used for driving the fan blades (82) to rotate.

9. A biting midge vector biological trap as defined in claim 8, wherein: a collecting cylinder connecting flange plate (64) is further formed at the bottom of the collecting cylinder (6), the collecting cylinder connecting flange plate (64) is of a square plate body shape structure, collecting cylinder connecting holes (641) are formed in all peripheral corners of the collecting cylinder connecting flange plate (64), a shell connecting hole (811) is formed in a shell (81) of the negative pressure fan (8) and at a position corresponding to the collecting cylinder connecting hole (641), a collecting cylinder connecting screw (642) is further arranged in the collecting cylinder connecting hole (641), the collecting cylinder connecting screw (642) sequentially penetrates through the collecting cylinder connecting hole (641) and the shell connecting hole (811), and the collecting cylinder connecting screw (642) is screwed with the shell connecting hole (811), so that connection of the negative pressure fan (8) and the collecting cylinder (6) is achieved.

10. A biting midge vector biological trap as defined in claim 1, wherein: the aperture of the conical inner net (7) and the cylinder gauze (61) are both 0.7-0.9 mm.