Online bioaerosol monitoring device of nano biosensor

Abstract

The online biological aerosol monitoring device comprises an instrument body and an air inlet pipe, the air inlet pipe is arranged on the instrument body, a cover ring is arranged at the other end of the air inlet pipe, an impurity filter screen is arranged between the cover ring and the air inlet pipe, and the air inlet pipe is arranged on the instrument body. A connecting assembly used for moving and positioning the cover ring is arranged on the side face of the air inlet pipe, and the cover ring is arranged on the connecting assembly. According to the biological aerosol detection device, the cover ring and the impurity filter screen are arranged, and the impurity filter screen is mounted at the air inlet of the air inlet pipe through the cover ring, so that impurities in the air can be pre-filtered by the impurity filter screen when air enters the air inlet pipe, and the impurities influencing biological aerosol detection are left outside; the related analysis operation of the instrument body on the biological aerosol is not easily influenced, and the problem that the accuracy of the analysis result is influenced by dust and impurities in the air due to the fact that the existing online biological aerosol monitoring device of the nano-biosensor directly sucks the air is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerosol monitoring equipment technical field especially relates to an online biological aerosol monitoring device of nanometer biological sensor. BACKGROUND

[0002] The online aerosol monitoring device is a new type of aerosol monitoring instrument, which can analyze the concentration and type of biological aerosol in the air in real time. With the development of science and technology, the monitoring sensor inside it has been iterated to a nanometer biological sensor, which is built-in the online biological aerosol monitoring device and mainly provides the accuracy and reliability of analysis monitoring data.

[0003] This online biological aerosol monitoring device based on nanometer biological sensor is provided with a negative pressure air inlet. When operating, the air inlet is responsible for air intake, then the air is sucked into the inside of the nanometer biological sensor online biological aerosol monitoring device through the air inlet and combined with a specific enzyme, and then relevant analysis operation is carried out. Since there are not only biological aerosol but also a lot of dust and impurities in the air, these directly sucked into the inside of the nanometer biological sensor online biological aerosol monitoring device can easily affect the accuracy of analysis.

[0004] Therefore, how to provide an online biological aerosol monitoring device of nanometer biological sensor is a problem that those skilled in the art need to solve. CONTENT OF THE UTILITY MODEL

[0005] One purpose of the utility model is to provide an online biological aerosol monitoring device of nanometer biological sensor. The utility model solves the problem that the existing nanometer biological sensor online biological aerosol monitoring device directly sucks air and the dust and impurities in the air affect the accuracy of analysis results.

[0006] According to the online biological aerosol monitoring device of nanometer biological sensor, the other end of the air inlet pipe is provided with a cover ring, and the cover ring and the air inlet pipe are provided with an impurity filter screen.

[0007] The side surface of the air inlet pipe is provided with a connecting assembly for moving and positioning the cover ring, the cover ring is arranged on the connecting assembly, the number of the connecting assembly is two groups, and the two groups of connecting assemblies are arranged in axial symmetry with the vertical symmetry axis of the air inlet pipe as the symmetry axis.

[0008] The connecting assembly comprises a positioning sleeve block, a movable rod, a movable block and a first elastic member, the positioning sleeve block is fixed on the side of the air inlet pipe away from the instrument body, the movable rod is movably arranged on the positioning sleeve block, the movable block is fixed on the end of the movable rod close to the instrument body, the elastic member is movably sleeved on the surface of the movable rod, one end of the first elastic member is attached to the surface of the movable block, the other end of the first elastic member is attached to the surface of the positioning sleeve block, and the other end of the movable rod is fixedly connected with the surface of the cover ring.

[0009] The side of the cover ring is provided with a protruding block.

[0010] The side of the air inlet pipe is provided with an unlocking assembly, the movable block is provided with a self-locking assembly, and the side of the air inlet pipe is provided with a locking groove; when the cover ring is away from the air inlet pipe, the self-locking assembly is clamped in the locking groove.

[0011] The self-locking assembly comprises a limiting groove, a lock head and a second elastic member, the limiting groove is arranged on the side of the movable block close to the air inlet pipe, the lock head and the second elastic member are movably arranged in the limiting groove, one end of the second elastic member is attached to the surface of the lock head, the other end of the second elastic member is attached to the inside of the limiting groove, and the end of the lock head away from the second elastic member extends to the outside of the limiting groove after penetrating through the limiting groove.

[0012] The unlocking assembly comprises an annular groove, a movable ring, a pressing head and two mutually attractive magnets, the annular groove is arranged on the side of the air inlet pipe above the locking groove and communicates with the locking groove, the movable ring is movably sleeved in the annular groove, the pressing head is fixed on the lower surface of the movable ring and the other end of the pressing head extends into the locking groove, one of the two magnets is embedded in the annular groove, and the other magnet is embedded on the movable ring; when the two magnets are attracted together, the movable ring is located at the top of the inner wall of the annular groove, and a part of the pressing head moves in the locking groove; the opposite surfaces of the pressing head and the lock head are provided with mutually parallel pressing inclined surfaces.

[0013] The utility model discloses beneficial effects are:

[0014] By setting the cover ring and the impurity filter screen, the cover ring is installed at the air inlet of the air inlet pipe, so that the impurities in the air can be pre-filtered when the air inlet pipe inhales, thereby leaving the impurities affecting the detection of biological aerosol outside, and the instrument body is not easy to affect the related analysis operation of biological aerosol, and the problem that the existing nano biological sensor online biological aerosol monitoring device directly inhales air and the dust and impurities in the air affect the accuracy of the analysis result is solved.

[0015] By setting the connecting assembly, the connecting assembly is used to move the cover ring in the direction away from the air inlet pipe when the cover ring needs to be moved, the cover ring is pulled by the connecting assembly when the cover ring is moved, and the impurity filter screen is exposed after the cover ring is moved, so that the impurity filter screen can be quickly replaced, and the cover ring is automatically tightly attached to the air inlet of the air inlet pipe to fix the impurity filter screen after the replacement is completed.

[0016] By setting the unlocking assembly and the self-locking assembly, the position of the movable block in the connecting assembly is locked by the self-locking assembly after the movable block is moved to the locking groove, and then the position of the cover ring is locked by the movable block and the movable rod, so that both hands can be freed to replace the impurity filter screen, and the cover ring does not need to be pulled all the time, and the self-locking assembly is unlocked by moving the unlocking assembly after the replacement of the impurity filter screen is completed, so that the connecting assembly drives the cover ring to return to the original position under the elastic force of the connecting assembly and fix the impurity filter screen, thereby achieving the purpose that the position of the connecting assembly is locked and the cover ring does not need to be manually pulled all the time. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 A schematic diagram of the overall three-dimensional structure of an online biological aerosol monitoring device of a nano biological sensor is provided.

[0019] Figure 2 A schematic diagram of the cross-sectional three-dimensional structure of the position of the unlocking assembly in the online biological aerosol monitoring device of the nano biological sensor is provided.

[0020] Figure 3 A schematic diagram of the cross-sectional three-dimensional structure of the position of the connecting assembly and the unlocking assembly in the online biological aerosol monitoring device of the nano biological sensor is provided.

[0021] Figure 4 A schematic diagram of the partial cross-sectional three-dimensional structure of the position of the connecting assembly in the online biological aerosol monitoring device of the nano biological sensor is provided.

[0022] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings: DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the components related to the utility model.

[0024] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 , including instrument body 1 and air inlet pipe 2, air inlet pipe 2 is arranged on instrument body 1, the other end of air inlet pipe 2 is provided with cover ring 3, the side of cover ring 3 is provided with lug, the impurity filter screen 4 is arranged between cover ring 3 and air inlet pipe 2, the filter screen is placed at the air inlet position of air inlet pipe 2, the air inlet pipe 2 is cylindrical pipe, the diameter of impurity filter screen 4 matches with the outer diameter of air inlet pipe 2, then cover ring 3 is buckled at the air inlet of air inlet pipe 2 to position impurity filter screen 4, when operating, the air entering air inlet pipe 2 is filtered by impurity filter screen 4, so that the impurities are avoided to enter the inside of instrument body 1 and affect the analysis operation of biological aerosol.

[0025] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 , the side of air inlet pipe 2 is provided with connecting assembly 5 for the activity and positioning of cover ring 3, cover ring 3 is arranged on connecting assembly 5, cover ring 3 is operated by connecting assembly 5, the number of connecting assembly 5 is two groups, two groups of connecting assembly 5 are arranged in axial symmetry with the vertical symmetry axis of air inlet pipe 2 as the symmetry axis, when cover ring 3 is active, the stress is balanced, the activity stability of movable ring 17 is improved, connecting assembly 5 includes positioning sleeve block 6, movable rod 7, movable block 8 and first elastic member 9, positioning sleeve block 6 is fixed on the side of air inlet pipe 2 at the position away from instrument body 1, movable rod 7 is movable on positioning sleeve block 6, movable block 8 is fixed on the end face of movable rod 7 close to instrument body 1, elastic member is movably sleeved on the surface of movable rod 7, and one end of first elastic member 9 is attached to the surface of movable block 8, the other end of first elastic member 9 is attached to the surface of positioning sleeve block 6, the other end of movable rod 7 is fixedly connected with the surface of cover ring 3;

[0026] In operation, first move the cover ring 3 to pull it away from the air inlet pipe 2, then the cover ring 3 will drive the movable rod 7 to move on the positioning sleeve block 6, the movable rod 7 will drive the movable block 8 to move, the movable block 8 will squeeze the first elastic member 9, the first elastic member 9 will spring member, under the squeezing of the movable block 8, the first elastic member 9 will shrink, at this time the cover ring 3 is moved to the position away from the air inlet pipe 2, so that the impurity filter screen 4 placed at the air inlet position of the air inlet pipe 2 is exposed, and the impurity filter screen 4 can be quickly replaced, after the impurity filter screen 4 is replaced, the cover ring 3 is loosened, and then the movable block 8 is returned under the elastic force of the first elastic member 9 away from the positioning sleeve block 6, so that the cover ring 3 is clamped again to the air inlet position of the air inlet pipe 2 through the elastic force of the first elastic member 9, and the impurity filter screen 4 is stabilized again through the cover ring 3.

[0027] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 , the side of the air inlet pipe 2 is provided with an unlocking assembly 10, and a self-locking assembly 11 is arranged on the movable block 8 for locking the position of the moved cover ring 3, the side of the air inlet pipe 2 is provided with a lock slot 12, when the cover ring 3 is away from the air inlet pipe 2, the self-locking assembly 11 will be clamped in the lock slot 12, the self-locking assembly 11 includes a limiting slot 13, a lock head 14 and a second elastic member 15, the limiting slot 13 is arranged on the side of the movable block 8 close to the air inlet pipe 2, the lock head 14 and the second elastic member 15 are movably arranged in the limiting slot 13, one end of the second elastic member 15 is attached to the surface of the lock head 14, the other end of the second elastic member 15 is attached to the inside of the limiting slot 13, the end of the lock head 14 away from the second elastic member 15 extends to the outside of the limiting slot 13 after passing through the limiting slot 13, the unlocking assembly 10 includes an annular groove 16, a movable ring 17, a pressing head 18 and two mutually attractive magnets 19, the annular groove 16 is arranged on the side of the air inlet pipe 2 above the lock slot 12 and communicates with the lock slot 12, the movable ring 17 is movably sleeved in the annular groove 16, the pressing head 18 is fixed on the lower surface of the movable ring 17 and the other end of the pressing head 18 extends into the lock slot 12, one of the two magnets 19 is embedded in the annular groove 16, and the other magnet 19 is embedded on the movable ring 17, when the two magnets 19 are attracted together, the movable ring 17 is located at the top of the inner wall of the annular groove 16 and a part of the pressing head 18 moves in the lock slot 12, the opposite surfaces of the pressing head 18 and the lock head 14 are provided with mutually parallel pressing inclined surfaces, after the pressing head 18 is attached to the lock head 14, the lock head 14 is shrunk into the limiting slot 13 under the force in the longitudinal direction through the inclined surface, it should be noted that the second elastic member 15 is a spring member;

[0028] When the active block 8 drives the lock head 14 to reach the position of the lock slot 12, the lock head 14 is automatically clamped with the lock slot 12 under the elastic force of the second elastic member 15, so that the active block 8 is stabilized through the connection of the lock head 14 and the lock slot 12. After the position of the active block 8 is stabilized, the cover ring 3 is driven to be locked by the active lever 7, so that it is not necessary to pull the cover ring 3 by hand. After the impurity filter screen 4 is replaced, the active ring 17 is moved downward, the active ring 17 is moved downward in the annular groove 16, and the extrusion head 18 is moved downward to extrude the lock head 14. The lock head 14 is extruded by the extrusion head 18 and is away from the lock slot 12. At this time, the active block 8 is pushed away from the positioning sleeve block 6 under the elastic force of the first elastic member 9 until the cover ring 3 is automatically opened on the air inlet of the air inlet pipe 2, so that the purpose of automatically covering the cover ring 3 is achieved.

[0029] It should be noted that the surface of the air inlet pipe 2 located between the lock head 14 and the lock slot 12 and the surface of the lock head 14 are both smooth designs. The smooth design is to reduce the friction. In the case of low friction, even if the second elastic member 15 applies elastic force to the lock head 14 to adhere to the surface of the air inlet pipe 2, it is not easy for the lock head 14 to be clamped on the surface of the air inlet pipe 2, thereby affecting the resetting operation of the active block 8.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An on-line bioaerosol monitoring device of nanobiosensor, characterized in that, The utility model provides an air inlet pipe (2) is arranged on the instrument body (1), and the other end of air inlet pipe (2) is provided with cover ring (3), and cover ring (3) is provided with impurity filter screen (4) between air inlet pipe (2).

2. The online bioaerosol monitoring device of nanobiosensor according to claim 1, wherein, The side of the air inlet pipe (2) is provided with a connecting assembly (5) for moving and positioning the cover ring (3), the cover ring (3) is arranged on the connecting assembly (5), the number of the connecting assembly (5) is two groups, and the two groups of connecting assemblies (5) are arranged in axial symmetry with the vertical symmetry axis of the air inlet pipe (2) as the symmetry axis.

3. The online bioaerosol monitoring device of a nanobiosensor according to claim 2, wherein, The connecting assembly (5) includes a positioning sleeve block (6), a movable rod (7), a movable block (8) and a first elastic member (9), the positioning sleeve block (6) is fixed on the side of the air inlet pipe (2) away from the instrument body (1), the movable rod (7) is movable on the positioning sleeve block (6), the movable block (8) is fixed on the end face of the movable rod (7) close to the instrument body (1), the elastic member is movably sleeved on the surface of the movable rod (7), one end of the first elastic member (9) is attached to the surface of the movable block (8), the other end of the first elastic member (9) is attached to the surface of the positioning sleeve block (6), and the other end of the movable rod (7) is fixedly connected with the surface of the cover ring (3).

4. The online bioaerosol monitoring device of a nanobiosensor according to claim 3, wherein, The side of the cover ring (3) is provided with a protrusion.

5. The online bioaerosol monitoring device of a nanobiosensor according to claim 4, wherein, The side of the air inlet pipe (2) is provided with an unlocking assembly (10), a self-locking assembly (11) is arranged on the movable block (8), and a lock groove (12) is formed in the side of the air inlet pipe (2); when the cover ring (3) is away from the air inlet pipe (2), the self-locking assembly (11) is clamped in the lock groove (12).

6. The online bioaerosol monitoring device of a nanobiosensor according to claim 5, wherein, The self-locking assembly (11) includes a limiting groove (13), a lock head (14) and a second elastic member (15), the limiting groove (13) is formed in the side of the movable block (8) close to the air inlet pipe (2), the lock head (14) and the second elastic member (15) are movably arranged in the limiting groove (13), one end of the second elastic member (15) is attached to the surface of the lock head (14), the other end of the second elastic member (15) is attached to the inside of the limiting groove (13), and the end of the lock head (14) away from the second elastic member (15) extends to the outside of the limiting groove (13) after passing through the limiting groove (13).

7. The online bioaerosol monitoring device of a nanobiosensor according to claim 6, wherein, The unlocking assembly (10) comprises an annular groove (16), a movable ring (17), a pressing head (18) and two mutually attractive magnets (19), the annular groove (16) is arranged on the side of the air inlet pipe (2) above the lock groove (12) and communicates with the lock groove (12), the movable ring (17) is movably sleeved in the annular groove (16), the pressing head (18) is fixed to the lower surface of the movable ring (17) and the other end of the pressing head (18) extends into the lock groove (12), one of the two magnets (19) is embedded in the annular groove (16), and the other magnet (19) is embedded on the movable ring (17), when the two magnets (19) are attracted together, the movable ring (17) is located at the top of the inner wall of the annular groove (16) and a part of the pressing head (18) moves in the lock groove (12), and the opposite surfaces of the pressing head (18) and the lock head (14) are provided with mutually parallel pressing inclined surfaces.

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