Livestock and poultry breeding house environment microorganism aerosol sampling device

Abstract

The present application belongs to aerosol sampling technical field, especially to a kind of livestock and poultry breeding house environment microorganism aerosol sampling device, the device of the present application when in use, open door body and place collection mechanism in box, close door body, make aerosol sampling mechanism and collection mechanism communicate by lifting assembly, collect microorganism aerosol in collection mechanism by aerosol sampling mechanism suction air, after collection is completed, collection mechanism is taken out, in the collection process, air first enters upper cylinder, air makes spiral motion from top to bottom along helical blade, microorganism aerosol is sequentially collected by collection mechanism after flowing through middle cylinder, lower cylinder under the action of gravity, clean air flows out through air outlet pipe, in the present application, microorganism aerosol is separated from air by centrifugal force, so as to improve virus capture rate, and then improve sampling efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of aerosol sampling, and particularly relates to a livestock and poultry breeding house environment microbial aerosol sampling device. BACKGROUND

[0002] Microbial aerosol refers to particles with a particle size in the range of 1-100 microns, including bacteria, archaeomycetes, fungal spores, pollen, viruses, organic matter secreted by active organisms, and plant and animal fragments, and is a colloidal system formed by microorganisms suspended in the air.

[0003] In a livestock breeding house environment, microbial aerosol is easy to cause the immunity, resistance and production capacity of breeding animals to decrease due to its pathogenicity, which causes great harm to the breeding industry, and also causes damage to the health of livestock breeding workers. Therefore, it is necessary to effectively collect the microbial aerosol in the environment.

[0004] However, the device for sampling microbial aerosol in the prior art has the problem of low virus capture rate, which directly leads to low sampling efficiency. SUMMARY

[0005] The purpose of the present application is to provide a livestock and poultry breeding house environment microbial aerosol sampling device to solve the above problems.

[0006] To achieve the above purpose, the present application provides the following scheme:

[0007] A livestock and poultry breeding house environment microbial aerosol sampling device, comprising: a box body, an opening is formed in one side of the box body, a door body is arranged at the opening, the door body is hinged to the box body, an aerosol sampling mechanism is arranged in the box body, the aerosol sampling mechanism is drivingly connected with a lifting assembly, a collecting mechanism is arranged below the aerosol sampling mechanism, a plurality of collecting bottles are detachably connected to the collecting mechanism, the collecting mechanism is arranged corresponding to the door body, and the collecting mechanism is detachably connected to the box body.

[0008] The aerosol sampling mechanism comprises a plurality of housings, the housing comprises coaxially arranged upper, middle and lower cylinder bodies, the upper, middle and lower cylinder bodies are coaxially arranged, the diameter of the lower cylinder body is smaller than that of the upper cylinder body, the middle cylinder body is arranged in a conical frustum shape, the small end of the middle cylinder body is in communication with the lower cylinder body, the large end of the middle cylinder body is in communication with the upper cylinder body, the top end of the upper cylinder body is coaxially fixedly connected with an air outlet pipe, the top end of the air outlet pipe penetrates out of the upper cylinder body, the bottom end of the air outlet pipe extends into the upper cylinder body, and helical blades are fixedly connected between the air outlet pipe and the inner wall of the upper cylinder body in a circumferential direction.

[0009] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the lifting assembly comprises a first bearing plate, the first bearing plate is horizontally arranged in the box, linear bearings are fixed at four corners of the first bearing plate, the linear bearings are slidably connected with light rods, the light rods are vertically arranged, the light rods are fixed on the inner wall of the box, the first bearing plate is threadedly connected with a second screw rod, the second screw rod is coaxially fixed on the output shaft of a first motor, the first motor is fixed on the top end of the box, and the upper cylinder is fixed on the first bearing plate.

[0010] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the aerosol sampling mechanism further comprises a first fan fixed on the top surface of the first bearing plate, the air inlet end of the first fan is communicated with an air inlet pipe, the air inlet pipe is vertically and slidably connected in a through groove, the through groove is arranged on the side wall of the box, the air inlet pipe penetrates through the through groove, the air outlet end of the first fan is communicated with a flow divider, a plurality of air outlets of the flow divider are respectively communicated with a plurality of upper cylinders through short pipes, and the short pipes are located on the tangent lines of the upper cylinders.

[0011] The top ends of the plurality of air outlet pipes are communicated with a converging pipe, the converging pipe is communicated with a second fan, the second fan is fixed on the first bearing plate, an air outlet hole is arranged on one side wall of the box, the air outlet hole is correspondingly arranged with the second fan, and a filter screen is fixed at the air outlet hole.

[0012] In the livestock and poultry breeding house environment microorganism aerosol sampling device, two slide channels are fixed on the inner bottom wall of the box, the two slide channels are parallel and symmetrically arranged, the two slide channels are perpendicular to the opening, first slide rods are slidably connected on the two slide channels, a second bearing plate is fixed between the top ends of the two first slide rods, a nut is fixed on the bottom surface of the second bearing plate, the nut is threadedly connected with a first screw rod, the first screw rod is coaxially fixed on the output shaft of a second motor, the second motor is fixed on the inner bottom wall of the box, the first screw rod is parallel to the slide channels, and the collecting mechanism is detachably connected to the top surface of the second bearing plate.

[0013] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the collecting mechanism comprises a third bearing plate, a plurality of clamping assemblies are arranged on the top surface of the third bearing plate, the plurality of clamping assemblies are arrayed, the collecting bottles are detachably connected to the clamping assemblies, and a plurality of the collecting bottles in the same row are correspondingly arranged with a plurality of the lower cylinders.

[0014] A limiting groove is fixed on the top surface of the second bearing plate, an insertion port is arranged on the side of the limiting groove facing the opening, the insertion port is matched with the third bearing plate, and a clamping assembly is arranged between the third bearing plate and the limiting groove.

[0015] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the clamping assembly comprises a sliding hole formed on one side of the limiting groove, the sliding hole is close to the insertion port, a rubber column is slidably connected in the sliding hole, a circular block is hingedly connected to the outer side wall of the limiting groove through a short shaft, the circular block is eccentrically arranged with the short shaft, a handle is fixedly connected to the outer edge of the circular block, and the circular block is correspondingly arranged with the rubber column.

[0016] In the livestock and poultry breeding house environment microorganism aerosol sampling device, a plurality of rolling balls are rolling connected to the top surface of the second bearing plate, the plurality of rolling balls are located in the limiting groove, and the plurality of rolling balls are arrayed and rolling contact with the bottom surface of the third bearing plate.

[0017] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the clamping assembly comprises two symmetrically arranged clamping jaws, the clamping jaws are arranged in an arc shape and oppositely arranged in a concave surface, the clamping jaws are threadedly connected to the double screw rods and close to the two ends of the double screw rods respectively, one end of the double screw rod is coaxially fixedly connected with the output shaft of the third motor, the third motor is fixedly connected to the top surface of the third bearing plate, and the clamping jaws are slidingly connected to the top surface of the third bearing plate.

[0018] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the concave surface of the clamping jaw is provided with an anti-skid layer.

[0019] In the livestock and poultry breeding house environment microorganism aerosol sampling device, the bottom end of the box body is provided with a plurality of rollers.

[0020] Compared with the prior art, the present application has the following advantages and technical effects:

[0021] When the device is used, the collection mechanism is placed in the box body by opening the door body, the door body is closed, the aerosol sampling mechanism is communicated with the collection mechanism through the lifting assembly, air is sucked through the aerosol sampling mechanism, the microorganism aerosol is collected in the collection mechanism, and the collection mechanism is taken out after the collection is completed.

[0022] During the collection process, air first enters the upper cylinder, the air spirally moves from top to bottom along the spiral blade, the microorganism aerosol is sequentially collected by the collection mechanism after flowing through the middle cylinder and the lower cylinder under the action of gravity, and the clean air flows out through the air outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor:

[0024] Figure 1 It is a schematic diagram of the present application;

[0025] Figure 2 It is a structural schematic diagram of the present application;

[0026] Figure 3 It is Figure 2 It is a partial enlarged view of A in the figure;

[0027] Figure 4 It is a top view of the first bearing plate in the present application;

[0028] Figure 5 It is a top view of the second bearing plate in the present application;

[0029] Figure 6 It is a structural schematic diagram of embodiment 2 of the present application;

[0030] Figure 7 It is Figure 6 It is a partial enlarged view of B in the figure;

[0031] Figure 8 It is Figure 6 It is a partial enlarged view of C in the figure;

[0032] 1, box; 2, first motor; 3, air inlet pipe; 4, door body; 5, through groove; 6, first fan; 7, flow divider; 8, flow collecting pipe; 9, second fan; 10, filter screen; 11, first bearing plate; 12, shell; 13, helical blade; 14, air outlet pipe; 15, collection bottle; 16, second bearing plate; 17, ball; 18, third bearing plate; 19, second motor; 20, first screw rod; 21, nut; 22, slide; 23, first slide rod; 24, third motor; 25, clamping jaw; 26, linear bearing; 27, light pole; 28, second screw rod; 29, transmitter end of positioner; 30, receiver end of positioner; 31, limiting groove; 32, circular block; 33, rubber column; 34, short shaft; 35, double screw; 1501, bottle body; 1502, end cover; 1503, first through hole; 1504, rubber ring; 1505, baffle; 1506, magnet; 1507, fixing ring; 1508, mounting plate; 1509, second through hole; 1510, annular groove; 1511, limiting groove; 1512, plugboard; 1513, rubber ring; 1514, jamb; 1515, internal thread ring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0035] Embodiment 1

[0036] With reference to Figures 1 to 5 The present embodiment discloses a livestock and poultry breeding house environment microbial aerosol sampling device, comprising: a box body 1, an opening is formed on one side of the box body 1, a door body 4 is arranged at the opening, the door body 4 is hinged to the box body 1, an aerosol sampling mechanism is arranged in the box body 1, the aerosol sampling mechanism is drivingly connected with a lifting assembly, a collecting mechanism is arranged below the aerosol sampling mechanism, a plurality of collecting bottles 15 are detachably connected to the collecting mechanism, the collecting mechanism is arranged correspondingly to the door body 4, and the collecting mechanism is detachably connected to the box body 1.

[0037] The aerosol sampling mechanism comprises a plurality of housings 12, the housing 12 comprises coaxially arranged upper, middle and lower cylinder bodies, the upper, middle and lower cylinder bodies are coaxially arranged, the diameter of the lower cylinder body is smaller than that of the upper cylinder body, the middle cylinder body is arranged in a frustoconical shape, the small end of the middle cylinder body is communicated with the lower cylinder body, and the large end of the middle cylinder body is communicated with the upper cylinder body; a gas outlet pipe 14 is coaxially fixed to the top end of the upper cylinder body, the top end of the gas outlet pipe 14 penetrates out of the upper cylinder body, the bottom end of the gas outlet pipe 14 extends into the upper cylinder body, and helical blades 13 are fixedly arranged between the gas outlet pipe 14 and the inner wall of the upper cylinder body in a circumferential direction.

[0038] In use, the door body 4 is opened, the collecting mechanism is placed in the box body 1, the door body 4 is closed, the aerosol sampling mechanism is communicated with the collecting mechanism through the lifting assembly, air is sucked through the aerosol sampling mechanism, the microbial aerosol is collected in the collecting mechanism, and after the collection is completed, the collecting mechanism can be taken out.

[0039] During the collection process, air first enters the upper cylinder body, the air spirally moves from top to bottom along the helical blades 13, the microbial aerosol is sequentially collected by the collecting mechanism after flowing through the middle cylinder body and the lower cylinder body under the action of gravity, and clean air flows out through the gas outlet pipe 14. In the present application, the microbial aerosol is separated from the air through the action of centrifugal force, so that the virus capture rate is improved, and the sampling efficiency is improved.

[0040] In an alternative scheme, the lifting assembly comprises a first bearing plate 11 horizontally arranged in the box body 1, a linear bearing 26 fixed at each corner of the first bearing plate 11, a light pole 27 slidably connected to the linear bearing 26, the light pole 27 being vertically arranged and fixed to the inner wall of the box body 1, a second screw 28 threadedly connected to the first bearing plate 11, the second screw 28 being coaxially fixed to the output shaft of the first motor 2, the first motor 2 being fixed to the top end of the box body 1, and the upper cylinder being fixed to the first bearing plate 11.

[0041] The first motor 2 drives the second screw 28 to rotate, thereby driving the first bearing plate 11 to ascend or descend; the upper cylinder is fixed to the first bearing plate 11, and the middle cylinder and the lower cylinder are located below the first bearing plate 11; the linear bearing 26 cooperates with the light pole 27 to make the lifting of the first bearing plate 11 more smooth and not jammed.

[0042] In an alternative scheme, the first bearing plate 11 is rotatably connected with the second screw 28 at opposite sides, the top end of the second screw 28 penetrates through the top end of the box body 1 and is fixed with a first bevel gear, the first motor 2 is a hollow shaft motor, a transmission shaft is fixed to the output shaft of the first motor 2, second bevel gears are fixed to both ends of the transmission shaft, the second bevel gears are engaged with the first bevel gear, and the second screw 28 is rotatably connected to the inner side wall of the box body 1.

[0043] The outer side of the light pole 27 is sleeved with a buffer spring, the buffer spring is located on the bottom surface of the first bearing plate 11 and abuts against the first bearing plate 11.

[0044] In an alternative scheme, the aerosol sampling mechanism further comprises a first fan 6 fixed to the top surface of the first bearing plate 11, an air inlet pipe 3 communicated with the air inlet end of the first fan 6, the air inlet pipe 3 being vertically slidably connected in a through groove 5, the through groove 5 being formed in the side wall of the box body 1, the air inlet pipe 3 penetrating through the through groove 5, and the air outlet end of the first fan 6 being communicated with a flow divider 7, a plurality of air outlets of the flow divider 7 being respectively communicated with a plurality of upper cylinders through short pipes, the short pipes being located on the tangent lines of the upper cylinders.

[0045] The top ends of a plurality of air outlet pipes 14 are communicated with a converging pipe 8, the converging pipe 8 being communicated with a second fan 9, the second fan 9 being fixed to the first bearing plate 11, an air outlet hole being formed in one side wall of the box body 1 and corresponding to the second fan 9, and a filter screen 10 being fixed at the air outlet hole.

[0046] The first fan 6 inhales external air through the air inlet pipe 3, the external air enters the plurality of upper cylinders through the flow divider 7, the short pipes are located on the tangent lines of the upper cylinders, so that the air does spiral motion in the shell 12, centrifugal force is generated to separate the microbial aerosol from the air, the clean air after separation is extracted and sent out of the box body 1 under the action of the second fan 9, and the filter screen 10 prevents foreign matters from entering the box body 1.

[0047] In an alternative scheme, two slides 22 are fixed on the inner bottom wall of the box 1, the two slides 22 are parallel and symmetrically arranged, the two slides 22 are perpendicular to the opening, the first slide rod 23 is slidably connected to the two slides 22, the second bearing plate 16 is fixed between the top ends of the two first slide rods 23, the nut 21 is fixed on the bottom surface of the second bearing plate 16, the first screw rod 20 is threadedly connected to the nut 21, the first screw rod 20 is coaxially fixed on the output shaft of the second motor 19, the second motor 19 is fixed on the inner bottom wall of the box 1, and the first screw rod 20 is parallel to the slide 22. The collection mechanism is detachably connected to the top surface of the second bearing plate 16.

[0048] In an alternative scheme, the collection mechanism comprises a third bearing plate 18, the top surface of the third bearing plate 18 is provided with a plurality of clamping assemblies, the plurality of clamping assemblies are arrayed, the collection bottle 15 is detachably connected to the clamping assembly, and the plurality of collection bottles 15 in the same row are arranged one-to-one corresponding to the plurality of lower cylinders.

[0049] The top surface of the second bearing plate 16 is fixed with a limiting groove 31, the side of the limiting groove 31 facing the opening is provided with an insertion port, the insertion port is matched with the third bearing plate 18, and the clamping assembly is arranged between the third bearing plate 18 and the limiting groove 31.

[0050] In an alternative scheme, the clamping assembly comprises a sliding hole formed in one side of the limiting groove 31, the sliding hole is close to the insertion port, the rubber column 33 is slidably connected in the sliding hole, the circular block 32 is hingedly connected to the outer side wall of the limiting groove 31 through the short shaft 34, the circular block 32 and the short shaft 34 are eccentrically arranged, the handle is fixed on the outer edge of the circular block 32, and the circular block 32 is correspondingly arranged with the rubber column 33.

[0051] In an alternative scheme, a plurality of rolling balls 17 are rollingly connected to the top surface of the second bearing plate 16, the plurality of rolling balls 17 are located in the limiting groove 31, the plurality of rolling balls 17 are arrayed, and the rolling ball 17 is in rolling contact with the bottom surface of the third bearing plate 18.

[0052] Open the door body 4, insert the third bearing plate 18 into the limiting groove 31, the arrangement of the rolling ball 17 makes the insertion of the third bearing plate 18 more smooth, after the third bearing plate 18 enters the limit position of the limiting groove 31, the circular block 32 is rotated through the handle, the circular block 32 extrudes the rubber column 33, the rubber column 33 extrudes the third bearing plate 18, so as to complete the fixation of the third bearing plate 18, the first screw rod 20 is driven by the second motor 19, the second bearing plate 16 is driven by the nut 21 along the slide 22.

[0053] When a row of collection bottles 15 are full, the shell 12 rises and is separated from the collection bottles 15, another row of collection bottles 15 moves to the lower side of the shell 12 under the action of the second motor 19, the shell 12 descends and communicates with the collection bottles 15, and the collection continues.

[0054] In order to facilitate the alignment of the collecting bottles 15 and the shell 12, the ground of the first bearing plate 11 is fixed with a plurality of locator transmitting ends 29 located at one end of the plurality of shells 12, and the top surface of the second bearing plate 16 is fixed with a plurality of locator receiving ends 30 matched with the locator transmitting ends 29, and the plurality of locator receiving ends 30 are respectively located at one end of the plurality of rows of collecting bottles 15. When the signal transmitted by the locator transmitting end 29 is received by the locator receiving end 30, the shell 12 is lowered to communicate with the collecting bottle 15.

[0055] In an alternative scheme, the clamping assembly includes two symmetrically arranged clamping jaws 25 arranged in an arc shape with concave surfaces opposite to each other. The two clamping jaws 25 are threadedly connected to the double screw 35 and are respectively close to the two ends of the double screw 35. One end of the double screw 35 is coaxially fixed with the output shaft of the third motor 24, and the third motor 24 is fixed to the top surface of the third bearing plate 18. The clamping jaw 25 is slidingly connected to the top surface of the third bearing plate 18.

[0056] The third motor 24 drives the double screw 35 to rotate, and the double screw 35 drives the two clamping jaws 25 to move close to each other, thereby clamping and fixing the collecting bottle 15.

[0057] In an alternative scheme, the concave surface of the clamping jaw 25 is provided with an anti-skid layer.

[0058] The anti-skid layer is preferably a rubber layer, and the side of the rubber layer in contact with the collecting bottle 15 is provided with anti-skid lines, so that the collecting bottle 15 is fixed more firmly, and at the same time, the hard contact between the clamping jaw 25 and the collecting bottle 15 is avoided to prevent the collecting bottle 15 from being damaged.

[0059] In an alternative scheme, the bottom end of the box body 1 is provided with a plurality of rollers at the four corners.

[0060] In this way, the box body 1 is moved conveniently.

[0061] Embodiment 2

[0062] Reference Figures 6-8In the embodiment, the collecting bottle 15 comprises a bottle body 1501, a fixing ring 1507 is fixedly connected to the top end opening of the bottle body 1501 in the circumferential direction, a plurality of limiting grooves 1511 are equidistantly and circumferentially arranged on the inner side wall of the fixing ring 1507, and the top end of each limiting groove 1511 penetrates the top surface of the fixing ring 1507; a first groove is circumferentially arranged on the inner side wall of the fixing ring 1507, and the first groove is located below the limiting grooves 1511; an installation plate 1508 is slidably connected to the inner side wall of the fixing ring 1507, and the installation plate 1508 is coaxially arranged with the fixing ring 1507; a plurality of plug plates 1512 are equidistantly and circumferentially fixedly connected to the outer edge of the installation plate 1508, and the plurality of plug plates 1512 are arranged in one-to-one correspondence with the plurality of limiting grooves 1511 and are detachably connected; an annular groove 1510 is circumferentially arranged on the top surface of the installation plate 1508, and the annular groove 1510 is coaxially arranged with the installation plate 1508; an internally-threaded ring 1515 is threadedly connected to the annular groove 1510, and a slope is arranged at the bottom end of the internally-threaded ring 1515; the slope is arranged on the outer side wall of the internally-threaded ring 1515; a second groove is circumferentially arranged on the outer side wall of the installation plate 1508, and the second groove is arranged in correspondence with the first groove; a rubber ring 1513 is circumferentially arranged in the second groove; a plurality of third through holes are equidistantly and circumferentially arranged in the groove bottom of the second groove; a top column 1514 is slidably connected in each third through hole; one end of the top column 1514 is always in abutment with the slope, and the other end of the top column 1514 is in abutment with the rubber ring 1513; the top end of the internally-threaded ring 1515 penetrates the annular groove 1510 and is coaxially fixedly connected with an end cover 1502; the end cover 1502 is rotated, the end cover 1502 drives the internally-threaded ring 1515 to move downward, at this time, the slope causes the top column 1514 to move outwardly relative to the installation plate 1508, and the rubber ring 1513 is tightly abutted in the first groove, thereby enhancing the sealing performance.

[0063] A first through hole 1503 is coaxially arranged on the end cover 1502, a second through hole 1509 is coaxially arranged on the installation plate 1508, the inner diameter of the second through hole 1509 is greater than the inner diameter of the first through hole 1503, a baffle 1505 is hingedly connected to the bottom surface of the end cover 1502 through a thin shaft, a torsional spring is sleeved on the thin shaft, one end of the torsional spring is in abutment with the end cover 1502, and the other end of the torsional spring is in abutment with the baffle 1505; the baffle 1505 is a medical stainless steel plate; a magnet 1506 is fixedly connected to the bottom surface of the end cover 1502, the magnet 1506 is magnetically connected with the baffle 1505; a rubber ring 1504 is fixedly connected to the inner side wall of the first through hole 1503 in the circumferential direction, and the rubber ring 1504 is tightly attached to the baffle 1505.

[0064] The first through hole 1503 is arranged in correspondence with the outer shell 12 in the up-down direction.

[0065] The outer shell 12 is inserted into the first through hole 1503, the outer edge of the outer shell 12 first contacts the rubber ring 1504, and then the baffle 1505 is squeezed open, thereby realizing the collecting function.

[0066] After the collection is completed, the housing 12 is separated from the first through hole 1503, the baffle 1505 is first closed, and then the outer edge of the housing 12 is separated from the rubber ring 1504.

[0067] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0068] The above-described embodiments are only descriptions of the preferred modes of the present application and do not limit the scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A livestock and poultry house environment microorganism aerosol sampling device, characterized in that, Include: The box (1), one side of the box (1) is provided with an opening, the opening is provided with a door body (4), the door body (4) is hinged with the box (1), the box (1) is provided with aerosol sampling mechanism, the aerosol sampling mechanism is transmission connection has lifting assembly, the lower part of the aerosol sampling mechanism is provided with collection mechanism, the collection mechanism is detachably connected with a plurality of collection bottles (15), the collection mechanism is correspondingly arranged with the door body (4), the collection mechanism is detachably connected with the box (1); The aerosol sampling mechanism comprises a plurality of housings (12), the housing (12) comprises coaxially arranged upper cylinder, middle cylinder and lower cylinder, the upper cylinder, the middle cylinder and the lower cylinder are coaxially arranged, and the diameter of the lower cylinder is smaller than that of the upper cylinder, the middle cylinder is arranged as a truncated cone, the small end of the middle cylinder is communicated with the lower cylinder, the large end of the middle cylinder is communicated with the upper cylinder, the top end of the upper cylinder is coaxially fixed with the air outlet pipe (14), the top end of the air outlet pipe (14) penetrates the upper cylinder, the bottom end of the air outlet pipe (14) extends into the upper cylinder, the air outlet pipe (14) and the inner wall of the upper cylinder are circumferentially fixed with spiral blades (13); The lifting assembly comprises a first bearing plate (11), the first bearing plate (11) is horizontally arranged in the box (1), the four corners of the first bearing plate (11) are fixed with linear bearings (26), the linear bearings (26) are slidably connected with light rods (27), the light rods (27) are vertically arranged, the light rods (27) are fixed on the inner wall of the box (1), the first bearing plate (11) is threadedly connected with a second screw (28), the second screw (28) is coaxially fixed on the output shaft of the first motor (2), the first motor (2) is fixed on the top end of the box (1), the upper cylinder is fixed on the first bearing plate (11); The aerosol sampling mechanism further comprises a first fan (6) fixed on the top surface of the first bearing plate (11), the air inlet end of the first fan (6) is communicated with an air inlet pipe (3), the air inlet pipe (3) is vertically slidably connected in a through slot (5), the through slot (5) is arranged on the side wall of the box (1), the air inlet pipe (3) penetrates the through slot (5), the air outlet end of the first fan (6) is communicated with a flow divider (7), a plurality of air outlets of the flow divider (7) are respectively communicated with a plurality of the upper cylinders through short pipes, the short pipes are located on the tangent line of the upper cylinder; The top end of a plurality of the air outlet pipes (14) is communicated with a converging pipe (8), the converging pipe (8) is communicated with a second fan (9), the second fan (9) is fixed on the first bearing plate (11), an air outlet hole is formed in one side wall of the box (1), the air outlet hole is correspondingly arranged with the second fan (9), a filter screen (10) is fixed at the air outlet hole; The inner bottom wall of the box body (1) is fixedly connected with two slides (22), the two slides (22) are parallel and symmetrically arranged, the two slides (22) are perpendicular to the opening, the first slide rod (23) is slidably connected to the two slides (22), the second bearing plate (16) is fixedly connected between the top ends of the two first slide rods (23), the nut (21) is fixedly connected to the bottom surface of the second bearing plate (16), the first screw rod (20) is threadedly connected with the nut (21), the first screw rod (20) is coaxially fixedly connected to the output shaft of the second motor (19), the second motor (19) is fixedly connected to the inner bottom wall of the box body (1), the first screw rod (20) is parallel to the slide (22), and the collecting mechanism is detachably connected to the top surface of the second bearing plate (16).

2. The livestock and poultry house environment microorganism aerosol sampling device according to claim 1, characterized in that: The collecting mechanism comprises a third bearing plate (18), a plurality of clamping assemblies are arranged on the top surface of the third bearing plate (18), the plurality of clamping assemblies are arrayed, and the collecting bottle (15) is detachably connected to the clamping assembly. The top surface of the second bearing plate (16) is fixedly connected with a limiting groove (31), an insertion opening is formed in the side of the limiting groove (31) facing the opening, the insertion opening is matched with the third bearing plate (18), and the clamping assembly is arranged between the third bearing plate (18) and the limiting groove (31).

3. The livestock and poultry house environment microorganism aerosol sampling device according to claim 2, characterized in that: The clamping assembly comprises a sliding hole formed in one side of the limiting groove (31), the sliding hole is close to the insertion opening, the rubber column (33) is slidably connected in the sliding hole, the circular block (32) is hingedly connected to the outer side wall of the limiting groove (31) through the short shaft (34), the circular block (32) and the short shaft (34) are eccentrically arranged, the handle is fixedly connected to the outer edge of the circular block (32), and the circular block (32) is correspondingly arranged with the rubber column (33).

4. The livestock and poultry house environment microorganism aerosol sampling device according to claim 2, characterized in that: A plurality of rolling balls (17) are rollingly connected to the top surface of the second bearing plate (16), the plurality of rolling balls (17) are located in the limiting groove (31), the plurality of rolling balls (17) are arrayed, and the rolling balls (17) are in rolling contact with the bottom surface of the third bearing plate (18).

5. The livestock and poultry house environment microorganism aerosol sampling device according to claim 2, characterized in that: The clamping assembly comprises two symmetrically arranged clamping jaws (25), the clamping jaws (25) are arranged in an arc shape and are oppositely arranged in concave surfaces, the clamping jaws (25) are threadedly connected to the double screw rod (35) and are respectively close to the two ends of the double screw rod (35), one end of the double screw rod (35) is coaxially fixedly connected with the output shaft of the third motor (24), the third motor (24) is fixedly connected to the top surface of the third bearing plate (18), and the clamping jaws (25) are slidably connected to the top surface of the third bearing plate (18).

6. The livestock and poultry house environment microorganism aerosol sampling device according to claim 5, characterized in that: The concave surface of the clamping jaw (25) is provided with an anti-skid layer.

7. The livestock and poultry house environment microorganism aerosol sampling device according to claim 1, characterized in that: Rollers are installed at the four corners of the bottom end of the box body (1).

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