Wind tunnel device for testing olfactory behaviors of insects

Abstract

The utility model provides a wind tunnel device for testing olfactory behaviors of insects, which comprises an eclosion box, the interior of the eclosion box is hollow to form an eclosion cavity, the top surface of the eclosion box is provided with a box cover, one side surface of the eclosion box is provided with an observation window, the side surface of the eclosion box opposite to the observation window is connected with a trapping box, and the top end of the trapping box is flush with the top end of the eclosion box. A cover plate is arranged on the top face of the trapping box, a plurality of trapping grooves are formed in the trapping box and communicated with the eclosion cavity, a plurality of through holes corresponding to the trapping grooves are formed in the end, away from the eclosion box, of the trapping box, a fan is arranged in each through hole, the fans blow air towards the sides of the trapping grooves, and object placing tables are arranged at the positions, close to the fans, in the trapping grooves. The cover plate is provided with a plurality of skylights corresponding to the trapping grooves, and the bottom of the trapping box is supported by two supporting plates. According to the device, a plurality of trapping grooves are formed in one trapping box, so that the whole device can be used for testing various odor sources at the same time, large-batch experiments are supported, and the whole device is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to biological prevention technical field especially a wind tunnel device for insect olfactory behavior test. BACKGROUND

[0002] Food attractant and sex attractant in the field of plant protection are popular products, which not only have obvious killing effect, but also have no toxic side effects. However, there is a problem of complicated behavior test process in the research and development process. In general, the antennae of insects need to be tested by electrophysiology to determine whether the insect is interested in the chemical transmitted by air, so as to guide the research and development of food attractant and sex attractant products.

[0003] At present, tools similar to wind tunnel devices are used to conduct insect tropotaxis test. A "T" type glass tube is mainly used, an insect is put into the tube, and then gas with a compound is introduced into both sides. The preference of the insect is judged by observing the tropotaxis of the insect. For example, a bidirectional selection device for studying insect olfactory behavior (patent No. CN202122895611.5) includes an insect release chamber and at least two odor source release chambers. The insect release chamber is located between the two odor source release chambers. The odor source release chambers are communicated with the insect release chamber through connecting pieces. The sidewall surface of the odor source release chamber is provided with a ventilation structure.

[0004] The utility model realizes one-time olfactory behavior research and test of multiple insects, reduces the required time and manpower of research, improves the research efficiency, reduces the research cost, avoids the influence of high wind speed in the wind tunnel environment, and can effectively research and test small and medium-sized insects or insects with weak flight ability. The existing wind tunnel test device has the following problems: either too simple to conduct large-scale test; or need to repeatedly increase the device structure to meet the large-scale test, which increases the complexity of the device. UTILITY MODEL CONTENTS

[0005] The utility model provides a wind tunnel device for insect olfactory behavior test in view of the technical defects that the existing wind tunnel device for insect olfactory behavior test is too simple and cannot conduct large-scale test.

[0006] The utility model discloses a wind tunnel device for insect olfactory behavior test to solve the technical problems, adopts the following technical scheme:

[0007] The utility model provides a wind tunnel device for insect olfactory behavior test, including the emergence box, the emergence cavity is hollowed out in the emergence box inside, the emergence box top is provided with a box cover, the emergence box one side is provided with an observation window, the emergence box opposite side is connected with a trapping box, the trapping box top end is flush with the emergence box top end, the trapping box top is equipped with a cover plate, the trapping box is provided with a plurality of trapping groove, the trapping groove is connected with the emergence cavity, the trapping box is away from the emergence box end and is provided with a plurality of through -hole corresponding to a plurality of trapping groove, a plurality of through -hole is equipped with a fan, the fan blows wind to the side of trapping groove, a plurality of trapping groove is equipped with a material placing table near the fan, the cover plate is provided with a plurality of skylights corresponding to a plurality of trapping groove, the bottom of trapping box is supported through two support plates.

[0008] Preferably, the fan is fixed in the through-hole by a bracket, the fan is an industrial small fan, and a filter screen is arranged at the through-hole. The industrial small fan can be about 10 cm in diameter and 12V-24V in voltage, and the filter screen can prevent impurities in the external air from entering the trapping box and affecting the test effect.

[0009] Preferably, the height of the material placing table is flush with the center height of the fan. The height of the fan is flush with the height of the material placing table, so that the wind blown by the fan can be directly opposite the odor source placed on the material placing table, thereby improving the diffusion rate of the odor source.

[0010] Preferably, a one-way slit is arranged in each of the trapping grooves near the emergence box side, and the one-way slit is formed by two baffles arranged at an acute angle, with the small-angle opening facing the material placing table side. The one-way slit can reduce the probability of experimental insects returning to the emergence cavity from the trapping groove, thereby improving the detection effect.

[0011] Preferably, an active baffle is arranged in each of the trapping grooves at the large-angle opening of the one-way slit, a through slot is arranged on the cover plate corresponding to the active baffle, and the top of the active baffle penetrates through the through slot. The active baffle arranged at the large-angle opening of each one-way slit can selectively open and close the working number of trapping grooves, thereby facilitating experimental operation.

[0012] Preferably, guide grooves are arranged on both sides of each active baffle in the trapping groove, and the active baffle is movably inserted into the guide groove. The guide grooves make the active baffle more smooth to pull out, and can also fully close.

[0013] Preferably, the emergence box, the trapping box, the box cover and the cover plate are all made of opaque plastic plates. The opaque emergence box, trapping box, box cover and cover plate can keep the experimental device in a dark environment, thereby avoiding the interference of light on the test effect.

[0014] Preferably, the observation window and the skylight are made of transparent acrylic plate material. The observation window and the skylight can be covered with black cloth during the experiment, and the black cloth can be removed for observation when the experiment is completed.

[0015] Preferably, two air outlet mesh holes are arranged on both sides of the observation window of the emergence box. The air outlet mesh hole can adopt a 50-mesh screen, which only allows air flow, and can form an external circulation of the experimental device with the fan air supply.

[0016] Preferably, the box cover and the top surface of the cover plate are provided with a pair of handles. The handles are convenient to take.

[0017] The above technical scheme is adopted in the utility model, and compared with the prior art, has the following technical effects:

[0018] The wind tunnel device for insect olfactory behavior test of the utility model discloses a plurality of collection grooves are arranged on a collection box, and auxiliary structures such as a fan and a placing table are arranged in cooperation, so that the whole device can simultaneously test a plurality of odor sources, supports a large number of experiments, does not repeatedly increase the structure, and simplifies the whole experimental device. An adjustable baffle is arranged at the large-angle opening of each one-way slit, so that the working number of the collection groove can be selectively opened and closed, and experimental operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole split structure schematic view of the utility model discloses a kind of wind tunnel device for insect olfactory behavior test;

[0020] Figure 2 It is a whole external structure schematic view of the utility model discloses a kind of wind tunnel device for insect olfactory behavior test;

[0021] Figure 3 It is a fan, placing table layout structure schematic view of the utility model discloses a kind of wind tunnel device for insect olfactory behavior test;

[0022] Figure 4 It is a one-way slit overhead structure schematic view of the utility model discloses a kind of wind tunnel device for insect olfactory behavior test.

[0023] Among them, each reference sign is: 1, emergence box;2, box cover;3, handle;4, through groove;5, adjustable baffle;6, skylight;7, cover plate;8, collection box;9, support plate;10, observation window;11, air outlet mesh hole;12, placing table;13, fan;14, collection groove;15, emergence cavity;16, one-way slit;17, filter screen;18, through hole;19, guide groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] All other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0026] Embodiment 1:

[0027] Reference Figure 1 、 Figure 2 The inside of the emergence box 1 is hollow to form an emergence cavity 15, a box cover 2 is arranged on the top surface of the emergence box 1, an observation window 10 is arranged on one side surface of the emergence box 1, two air outlet mesh holes 11 are arranged on the emergence box 1 on the two sides of the observation window 10, a trapping box 8 is connected to the side surface of the emergence box 1 opposite to the observation window 10, the top end of the trapping box 8 is flush with the top end of the emergence box 1, a cover plate 7 is arranged on the top surface of the trapping box 8, a plurality of trapping grooves 14 are arranged on the trapping box 8, the trapping grooves 14 are communicated with the emergence cavity 15, a plurality of through holes 18 are arranged on the trapping box 8 away from the emergence box 1 corresponding to the plurality of trapping grooves 14, a fan 13 is arranged in each of the plurality of through holes 18, the blowing direction of the fan 13 is towards the side of the trapping groove 14, a placing table 12 is arranged in each of the plurality of trapping grooves 14 close to the fan 13, a plurality of skylights 6 are arranged on the cover plate 7 corresponding to the plurality of trapping grooves 14, and the bottom of the trapping box 8 is supported by two support plates 9. The emergence box 1, the trapping box 8, the box cover 2 and the cover plate 7 are all made of opaque plastic plate material, the opaque emergence box 1, the trapping box 8, the box cover 2 and the cover plate 7 can keep the inside of the whole experimental device in dark environment, so that the test effect can be avoided from being disturbed by light, the observation window 10 and the plurality of skylights 6 are all made of transparent acrylic plate material, the observation window 10 and the plurality of skylights 6 can be shielded by black cloth during the experiment, when the experimental result needs to be checked after the experiment is completed, the black cloth can be removed for observation, a pair of handles 3 are arranged on the top surfaces of the box cover 2 and the cover plate 7 for convenient taking. The whole device is placed in a constant temperature and humidity greenhouse with temperature of 25 DEG C and relative humidity of 80%, 30 pupae of the Chilo indicus are placed in the emergence box 1, the odor source is placed on the placing table 12 in the trapping box 8, the device is closed (except for the pre-set air inlet and air outlet), the power supply of the fan 13 is connected, the voltage is adjusted to 6V, after 72 hours, the observation window 10 and the skylight 6 are used for observation, the number of larvae in each trapping groove 14 is counted, the attraction effect of the odor source is evaluated, and the test design is guided.

[0028] Embodiment 2:

[0029] Reference Figure 1 、 Figure 3Fan 13 is fixed in the through hole 18 by a support, the fan 13 is an industrial small fan, a filter screen 17 is arranged at the hole of the through hole 18, the size of the industrial small fan can be about 10cm in diameter, 12V-24V in voltage, the filter screen 17 can block impurities in the external air from entering the trapping box 8 and affecting the test effect; the height of the placement table 12 is flush with the center height of the fan 13, and the heights of the two are flush, so that the wind blown by the fan 13 can be directly opposite the odor source placed on the placement table 12, thereby improving the diffusion rate of the odor source.

[0030] Embodiment 3:

[0031] Reference Figure 1 、 Figure 4 The one-way slit 16 is arranged by two baffles in an acute angle state, and the small angle opening faces the placement table 12 side, the setting of the one-way slit 16 and the small angle opening facing the placement table side can reduce the probability of experimental insects returning to the emergence chamber 15 from the trapping groove 14 to some extent, and the detection effect is improved; the large angle opening of each one-way slit 16 is provided with a movable baffle 5, the cover plate 7 is provided with a plurality of through grooves 4 corresponding to the movable baffles 5, the movable baffle 5 passes through the through groove 4, and the large angle opening of each one-way slit is provided with a movable baffle 5, so that the working number of the trapping groove 14 can be selectively opened and closed, and the experimental operation is facilitated; the two side walls of the plurality of trapping grooves 14 are provided with guide grooves 19 corresponding to the movable baffles 5, the movable baffles 5 are movably inserted into the guide grooves 19, and the guide grooves 19 are provided, so that the movable baffle 5 is pulled out more smoothly, and can also play a full closing role.

[0032] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change.

[0033] Second, the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0034] Finally, the preferred embodiments of the utility model are described above, and are not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wind tunnel device for olfactory behavioral testing of insects, comprising a hatching box (1), characterized in that: The hatching box (1) is internally hollow to form a hatching cavity (15), the top surface of the hatching box (1) is provided with a box cover (2), an observation window (10) is formed on one side surface of the hatching box (1), a trapping box (8) is connected to the side surface of the hatching box (1) opposite to the observation window (10), the top end of the trapping box (8) is flush with the top end of the hatching box (1), a cover plate (7) is arranged on the top surface of the trapping box (8), a plurality of trapping grooves (14) are formed on the trapping box (8) and communicate with the hatching cavity (15), a plurality of through holes (18) are formed on the trapping box (8) away from the hatching box (1) and correspond to the plurality of trapping grooves (14), a fan (13) is arranged in each of the plurality of through holes (18), the fan (13) blows air towards the side of the trapping groove (14), a placing table (12) is arranged in each of the plurality of trapping grooves (14) close to the fan (13), a plurality of skylights (6) are arranged on the cover plate (7) and correspond to the plurality of trapping grooves (14), and the bottom of the trapping box (8) is supported by two support plates (9).

2. The wind tunnel device for insect olfactory behavioral testing according to claim 1, characterized in that: The fan (13) is fixed in the through hole (18) by a support, the fan (13) is an industrial small fan, and a filter screen (17) is arranged at the hole of the through hole (18).

3. The wind tunnel apparatus for insect olfactory behavioral testing of claim 1, wherein: The height of the placing table (12) is flush with the center height of the fan (13).

4. The wind tunnel apparatus for insect olfactory behavior testing according to claim 1, characterized in that: A one-way slit (16) is arranged in each of the plurality of trapping grooves (14) close to the hatching box (1), the one-way slit (16) is arranged by two baffles at an acute angle, and the small-angle opening faces the placing table (12).

5. The wind tunnel device for insect olfactory behavior testing according to claim 4, characterized in that: An active baffle (5) is arranged in each of the plurality of trapping grooves (14) at the large-angle opening of the one-way slit (16), a plurality of through grooves (4) are formed on the cover plate (7) and correspond to the plurality of active baffles (5), and the top of the active baffle (5) penetrates the through groove (4).

6. The wind tunnel apparatus for insect olfactory behavior testing according to claim 1, characterized in that: A guide groove (19) is formed on each of the two side walls of the plurality of trapping grooves (14) and corresponds to the plurality of active baffles (5), and the active baffle (5) is movably inserted into the guide groove (19).

7. The wind tunnel apparatus for insect olfactory behavior testing according to claim 1, characterized in that: The hatching box (1), the trapping box (8), the box cover (2) and the cover plate (7) are all made of opaque plastic plates.

8. The wind tunnel apparatus for insect olfactory behavior testing according to claim 1, characterized in that: The observation window (10) and the plurality of skylights (6) are all made of transparent acrylic plates.

9. The wind tunnel apparatus for insect olfactory behavior testing according to claim 1, characterized in that: Two air outlet mesh holes (11) are formed on the hatching box (1) and located on both sides of the observation window (10).

10. The wind tunnel apparatus for insect olfactory behavior testing according to claim 1, characterized in that: A pair of handles (3) are arranged on the top surfaces of the box cover (2) and the cover plate (7).

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