Aerosol discharging device of blood centrifugal machine

Abstract

The utility model relates to the technical field of experimental equipment, and discloses an aerosol discharge device of a blood centrifuge, which comprises a shell, an air inlet pipe is fixedly connected to the left side of the shell, an air outlet pipe is fixedly connected to the right side of the shell, a dust removal structure is arranged in the air inlet pipe, and an aerosol removal structure is arranged in the air outlet pipe. According to the aerosol discharging device of the blood centrifugal machine, dust and impurities in air are filtered by arranging a dust removal structure and a fan to operate and arranging activated carbon nets with different pore diameters, and dust-removed gas enters the shell through a gas outlet plate, so that the activated carbon nets are convenient to replace while the dust is prevented from entering the centrifugal machine to generate more harmful gas; and an aerosol removing structure is arranged, a vacuum pump operates to enable gas to enter the air outlet pipe, aerosol is filtered after the gas passes through an HEPA filter paper layer, when the HEPA filter paper layer needs to be replaced, a rotating strip is rotated to be separated from the top of a connecting plate, airtightness is guaranteed, and meanwhile HEPA filter paper is conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to a blood centrifuge exhaust aerosol device. Background Art

[0002] In the pathological testing industry, it is often necessary to use a blood centrifuge to separate blood reagents in order to observe, use or test the separated blood reagent components. Blood centrifuges are widely used in the separation and processing field due to their simple structure, convenient operation and good separation effect. At present, when using a blood centrifuge to separate blood reagents, if the test tube containing blood is not tightly closed or has no test tube cover, aerosols are easily generated. In addition, the dust or dirt in the centrifuge generates aerosols during high-speed operation, which can also cause great damage to the human respiratory system, digestive system, nervous system, etc.

[0003] After searching, a Chinese utility model patent with patent number CN219291676U discloses a blood centrifuge exhaust aerosol device, which specifically discloses a centrifuge body, wherein an air intake plate is provided in the centrifuge body, wherein the air intake plate is fixed to the inner wall of the centrifuge body, wherein a cavity is formed in the air intake plate, wherein a plurality of air intake holes leading to the cavity are provided on the air intake plate, wherein an exhaust hole connected to the cavity is provided on a side of the air intake plate away from the air intake hole, wherein the exhaust hole is connected to an air supply pipe, wherein the air supply pipe passes through the side wall of the centrifuge body, wherein the air supply pipe is connected to a first filter box for filtering aerosol, wherein a small fan is provided in the middle of the air supply pipe. By combining the figures and texts of the utility model patent, it can be known that in the utility model patent, dust cannot be prevented from entering the interior of the centrifuge, and more aerosol is easily generated, and the sealing form of the hinged cover may cause aerosol leakage, and therefore a blood centrifuge exhaust aerosol device is proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a blood centrifuge exhaust aerosol device, which has the advantages of dustproof and convenient loading and unloading while ensuring airtightness, and solves the problems that dust cannot be prevented from entering the interior of the centrifuge, which easily generates more aerosols, and the sealing form of the hinged cover may cause aerosol leakage.

[0005] In order to achieve the above-mentioned purpose of dust prevention and convenient loading and unloading while ensuring air tightness, the utility model provides the following technical solutions: a blood centrifuge exhaust aerosol device, comprising a shell, a centrifuge is arranged inside the shell, an air inlet pipe is fixedly connected to the left side of the shell, an air outlet pipe is fixedly connected to the right side of the shell, a dust removal structure is arranged inside the air inlet pipe, and an aerosol removal structure is arranged inside the air outlet pipe;

[0006] The dust removal structure includes a fixed frame, an activated carbon net, a fan, a connecting shell, a fixed block, a spring, a concave plate, a slider, a slide groove and an air outlet plate. A fixed frame is arranged inside the air inlet pipe, a number of activated carbon nets are fixedly connected to the inner bottom wall of the fixed frame, a fan is arranged inside the outer shell, the top of the fixed frame is fixedly connected to the connecting shell, the inner bottom wall of the connecting shell is fixedly connected to the fixed block, the left and right sides of the fixed block are fixedly connected to springs, the separated surfaces of the two springs are fixedly connected to the concave plates, the bottoms of the two concave plates are fixedly connected to sliders, the inner bottom wall of the connecting shell is provided with two slide grooves, and the inner left wall of the outer shell is fixedly connected to the air outlet plate.

[0007] Furthermore, the aerosol removal structure includes an air suction plate, a vacuum pump, a HEPA filter paper layer, a connecting plate, a handle and a rotating bar. The inner right wall of the shell is fixedly connected with the air suction plate, the top of the air outlet pipe is provided with a vacuum pump, the interior of the air outlet pipe is provided with a HEPA filter paper layer, the top of the HEPA filter paper layer is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a handle, and the top of the air outlet pipe is hinged with two rotating bars to facilitate the removal of aerosols and the replacement of the HEPA filter paper layer.

[0008] Furthermore, a groove matched with two concave plates is formed on the outside of the air inlet pipe, and the concave plates are slidably connected to the connecting shell through a slider and a sliding groove, so that the connecting shell can be fixed conveniently through the concave plates.

[0009] Furthermore, an air inlet is provided on the left side of the shell, and the air inlet is connected to the air inlet pipe and the air outlet plate, so as to facilitate the gas in the air inlet pipe to enter the interior of the shell.

[0010] Furthermore, an air outlet is provided on the right side of the shell, and the air outlet is connected with the air outlet pipe and the air intake plate, so as to facilitate the gas inside the shell to enter the inside of the air outlet pipe.

[0011] Furthermore, the two rotating bars are respectively close to the left and right sides of the connecting plate, so that the connecting plate can be fixed conveniently through the rotating bars.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The blood centrifuge exhaust aerosol device is provided with a dust removal structure. When the fan is running, the outside air enters the air inlet pipe. The activated carbon nets with different apertures are provided to filter the dust and impurities in the air. The gas after dust removal enters the inside of the shell through the air outlet plate. When the activated carbon net needs to be replaced, the two concave plates are moved to the opposite sides at the same time to make them out of the groove. At this time, the fixed frame can be taken out to replace the activated carbon net, so as to prevent dust from entering the centrifuge to generate more harmful gases and facilitate the replacement of the activated carbon net.

[0014] 2. The aerosol exhaust device of the blood centrifuge is provided with an aerosol removal structure. When the vacuum pump is operated, the gas inside the shell enters the inside of the air outlet pipe through the air intake plate, and the aerosol is filtered after passing through the HEPA filter paper layer. When the HEPA filter paper layer needs to be replaced, the rotating bar is rotated to separate it from the top of the connecting plate. At this time, the connecting plate can be taken out to replace the HEPA filter paper layer, thereby ensuring airtightness and facilitating the replacement of the HEPA filter paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 This is a front cross-sectional view of the structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view of part A in the middle;

[0018] Figure 4 For this utility model Figure 2 Enlarged view of part B in the middle.

[0019] In the figure: 1. outer shell; 2. centrifuge; 3. air inlet pipe; 4. air outlet pipe; 5. dust removal structure; 501. fixed frame; 502. activated carbon net; 503. fan; 504. connecting shell; 505. fixed block; 506. spring; 507. concave plate; 508. slider; 509. slide groove; 5010. air outlet plate; 6. aerosol removal structure; 601. suction plate; 602. vacuum pump; 603. HEPA filter paper layer; 604. connecting plate; 605. handle; 606. rotating bar; 7. air inlet; 8. air outlet. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 In this embodiment, a blood centrifuge exhaust aerosol device comprises a housing 1, a centrifuge 2 is arranged inside the housing 1, an air inlet pipe 3 is fixedly connected to the left side of the housing 1, an air outlet pipe 4 is fixedly connected to the right side of the housing 1, a dust removal structure 5 is arranged inside the air inlet pipe 3, and an aerosol removal structure 6 is arranged inside the air outlet pipe 4;

[0022] The dust removal structure 5 includes a fixed frame 501, an activated carbon net 502, a fan 503, a connecting shell 504, a fixed block 505, a spring 506, a concave plate 507, a slider 508, a slide groove 509 and an air outlet plate 5010. The air inlet pipe 3 is provided with a fixed frame 501 inside, and a number of activated carbon nets 502 are fixedly connected to the inner bottom wall of the fixed frame 501. The outer shell 1 is provided with a fan 503 inside, and the top of the fixed frame 501 is fixedly connected to the connecting shell 504, and the inner bottom wall of the connecting shell 504 is fixedly connected to the fixed block 505. The left and right sides of the fixed block 505 are fixedly connected to the springs 506, and the separated surfaces of the two springs 506 are fixedly connected to the concave plates 507, and the bottoms of the two concave plates 507 are fixedly connected to the sliders 508. The inner bottom wall of the connecting shell 504 is provided with two slide grooves 509, and the inner left wall of the outer shell 1 is fixedly connected to the air outlet plate 5010.

[0023] The aerosol removal structure 6 includes an air intake plate 601, a vacuum pump 602, a HEPA filter paper layer 603, a connecting plate 604, a handle 605 and a rotating bar 606. The air intake plate 601 is fixedly connected to the inner right wall of the outer shell 1, a vacuum pump 602 is arranged on the top of the air outlet pipe 4, a HEPA filter paper layer 603 is arranged inside the air outlet pipe 4, a connecting plate 604 is fixedly connected to the top of the HEPA filter paper layer 603, a handle 605 is fixedly connected to the top of the connecting plate 604, and two rotating bars 606 are hinged on the top of the air outlet pipe 4.

[0024] In the case implementation, an air outlet is provided on the right side of the air outlet pipe 4 to facilitate the discharge of clean gas.

[0025] In the case implementation, the air outlet plate 5010 facilitates the diffusion of air into the interior of the shell 1, and the air intake plate 601 facilitates the absorption of all harmful gases in the shell 1.

[0026] In the case implementation, a sealing ring is provided on the outside of the connecting plate 604 to ensure sealing and facilitate loading and unloading.

[0027] When implementing, follow these steps:

[0028] 1) First, the centrifuge 2 runs inside the housing 1 to generate harmful gas aerosol;

[0029] 2) Then the fan 503 is operated to allow the outside air to enter the air inlet pipe 3, and the dust and impurities in the air are filtered by setting the activated carbon net 502 with different apertures. The dust-removed gas enters the interior of the housing 1 through the air outlet plate 5010, and the vacuum pump 602 is operated to allow the gas inside the housing 1 to enter the interior of the air outlet pipe 4 through the air suction plate 601, and the aerosol is filtered after passing through the HEPA filter paper layer 603;

[0030] 3) When the activated carbon net 502 needs to be replaced again, the two concave plates 507 are simultaneously moved toward opposite sides to separate them from the grooves. At this time, the fixing frame 501 can be taken out to replace the activated carbon net 502;

[0031] 4) When the HEPA filter paper layer 603 needs to be replaced, the rotating bar 606 is rotated to separate it from the top of the connecting plate 604. At this time, the connecting plate 604 can be taken out to replace the HEPA filter paper layer 603.

[0032] In summary, the blood centrifuge exhaust aerosol device, by setting the dust removal structure 5, the fan 503 is operated to allow the outside air to enter the air inlet pipe 3, and the activated carbon nets 502 with different apertures are set to filter the dust and impurities in the air. The dust-removed gas enters the interior of the housing 1 through the air outlet plate 5010. When the activated carbon net 502 needs to be replaced, the two concave plates 507 are moved to the opposite sides at the same time to make them out of the groove. At this time, the fixed frame 501 can be taken out to replace the activated carbon net 502.

[0033] In addition, by providing the aerosol removal structure 6, the operation of the vacuum pump 602 allows the gas inside the housing 1 to enter the inside of the air outlet pipe 4 through the air suction plate 601, and filter the aerosol after passing through the HEPA filter paper layer 603. When the HEPA filter paper layer 603 needs to be replaced, the rotating bar 606 is rotated to separate it from the top of the connecting plate 604. At this time, the connecting plate 604 can be taken out to replace the HEPA filter paper layer 603, thereby solving the problem that dust cannot be prevented from entering the interior of the centrifuge in the Chinese utility model patent with patent number CN219291676U, more aerosols are easily generated, and the sealing form of the hinged cover may cause aerosol leakage.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blood centrifuge exhaust aerosol device, comprising a housing (1), characterized in that: A centrifuge (2) is arranged inside the housing (1); an air inlet pipe (3) is fixedly connected to the left side of the housing (1); an air outlet pipe (4) is fixedly connected to the right side of the housing (1); a dust removal structure (5) is arranged inside the air inlet pipe (3); and an aerosol removal structure (6) is arranged inside the air outlet pipe (4); The dust removal structure (5) comprises a fixed frame (501), an activated carbon net (502), a fan (503), a connecting shell (504), a fixed block (505), a spring (506), a concave plate (507), a slider (508), a slide groove (509) and an air outlet plate (5010); the interior of the air inlet pipe (3) is provided with a fixed frame (501); a plurality of activated carbon nets (502) are fixedly connected to the inner bottom wall of the fixed frame (501); the interior of the housing (1) is provided with a fan (503); the fixed frame (501) is provided with a plurality of activated carbon nets (502); A connecting shell (504) is fixedly connected to the top, a fixing block (505) is fixedly connected to the inner bottom wall of the connecting shell (504), springs (506) are fixedly connected to the left and right sides of the fixing block (505), the separated surfaces of the two springs (506) are fixedly connected to concave plates (507), the bottoms of the two concave plates (507) are fixedly connected to sliders (508), the inner bottom wall of the connecting shell (504) is provided with two slide grooves (509), and the inner left wall of the outer shell (1) is fixedly connected to an air outlet plate (5010).

2. The blood centrifuge gas aerosol device according to claim 1, characterized in that: The aerosol removal structure (6) comprises an air suction plate (601), a vacuum pump (602), a HEPA filter paper layer (603), a connecting plate (604), a handle (605) and a rotating bar (606); the inner right wall of the housing (1) is fixedly connected to the air suction plate (601); the top of the air outlet pipe (4) is provided with a vacuum pump (602); the interior of the air outlet pipe (4) is provided with a HEPA filter paper layer (603); the top of the HEPA filter paper layer (603) is fixedly connected to the connecting plate (604); the top of the connecting plate (604) is fixedly connected to the handle (605); and the top of the air outlet pipe (4) is hinged with two rotating bars (606).

3. The blood centrifuge gas aerosol device according to claim 1, characterized in that: The outside of the air inlet pipe (3) is provided with a groove matched with two concave plates (507), and the concave plates (507) are slidably connected to the connecting shell (504) via a slider (508) and a slide groove (509).

4. The blood centrifuge gas aerosol device according to claim 1, characterized in that: An air inlet (7) is provided on the left side of the housing (1), and the air inlet (7) is connected to the air inlet pipe (3) and the air outlet plate (5010).

5. The blood centrifuge gas aerosol device according to claim 2, characterized in that: An air outlet (8) is provided on the right side of the housing (1), and the air outlet (8) is connected to the air outlet pipe (4) and the air intake plate (601).

6. The blood centrifuge gas aerosol device according to claim 2, characterized in that: The two rotating bars (606) are respectively close to the left and right sides of the connecting plate (604).

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