Air particulate matter concentration detection equipment

By using the flow diversion assembly and spring locking block mechanism in the air particulate concentration detection equipment, the problems of air intake efficiency and installation and disassembly of traditional equipment are solved, and efficient air sample acquisition and convenient installation are achieved, adapting to complex environments and inspection needs in multiple places.

CN119574391APending Publication Date: 2025-03-07CHANGZHOU HIPPOCAMPUS TECH CO LTD
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202411667860.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-03-07

AI Technical Summary

Technical Problem

Traditional air particulate concentration detection equipment has shortcomings in air intake efficiency and installation and disassembly, especially in complex wind direction environments and installation and disassembly requirements in many places, making it difficult to effectively capture air samples and facilitate and quickly install.

Method used

An air particulate concentration detection device is designed, using a flow guide assembly and a spring lock block mechanism to adjust the angle through the first motor drive the rotating frame and the flow guide plate to enhance the air intake efficiency; at the same time, the spring lock block system is used to achieve rapid installation and disassembly, and space utilization is optimized through the rotatable intake pipe and the placement frame.

Benefits of technology

It improves the air intake efficiency of the equipment, ensures timely acquisition of air samples, simplifies the installation and disassembly of the equipment, improves portability and versatility, and adapts to different testing environment needs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119574391A_ABST
    Figure CN119574391A_ABST
Patent Text Reader

Abstract

The invention discloses air particulate matter concentration detection equipment, and relates to the technical field of air detection.The air particulate matter concentration detection equipment comprises a main body and an air inlet pipe, a support is installed in a connector of the air inlet pipe and the main body, a second motor is installed in the middle of the support, and blades are installed on an operating shaft of the second motor; the device has the advantages that the first motor of the flow guide assembly drives the rotating frame to rotate, the angle of the flow guide plate can be adjusted to guide air into the air inlet, the air inflow is increased, it is ensured that an air sample is fully obtained in time, mounting and dismounting are convenient, the flow guide assembly can be easily taken down when equipment is transferred, and meanwhile the position of the air inlet pipe can be adjusted by screwing a rotating wheel; the main body is rotationally placed on the placing frame behind the main body, so that the vertical occupied area is reduced, obstruction is avoided when the equipment is moved, the main body can be fixed on the bearing frame through the mounting frame, the sliding block, the clamping block and the like during mounting, different mounting scenes are adapted, the mounting efficiency is improved, the operation stability is ensured, and the equipment universality is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of air detection, and in particular to an air particle concentration detection device. Background Art

[0002] With the acceleration of industrialization and the increasing attention paid to the quality of living environment, it is increasingly important to accurately monitor the concentration of particulate matter in the air. Traditional air particulate matter concentration detection equipment has many limitations in practical applications. In terms of air intake efficiency, in environmental monitoring scenarios such as urban streets and around industrial plants, the wind direction and airflow are complex, and it is difficult for traditional equipment air intakes to effectively capture enough suitable air samples. Regarding installation and disassembly difficulties, in actual environmental monitoring, equipment often needs to be installed and disassembled at different locations, such as temporary and long-term monitoring point conversion, regular maintenance, etc. Traditional installations mostly use complex bolt connections, which are time-consuming and labor-intensive to disassemble and easily damage the equipment. For intake pipe adjustment, the intake pipe of traditional equipment is fixedly installed. During daily use and movement, its position and status will affect the overall performance and portability of the equipment. For example, it may become an obstacle when moving, and it is difficult to optimize space utilization.

[0003] To this end, we propose an air particle concentration detection device. Summary of the invention

[0004] The purpose of the present invention is to provide an air particle concentration detection device.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an air particle concentration detection device, comprising a main body and an air intake pipe, a groove is provided at the top of the air intake pipe, a first spring is installed in the groove, a locking block is installed at one end of the first spring, and limiting blocks are installed on both sides of the surface of the locking block, a guide assembly is provided above the air intake pipe, the guide assembly can be stuck in the air intake pipe, the guide assembly comprises a base, a support frame, a first motor, a connecting frame, a rotating frame and a guide plate, locking holes are provided around the base, a ceiling is installed above the rotating frame, a clamping block is installed below the air intake pipe, a clamping ring is installed on the outside of the clamping block, a sealing gasket is installed in the gap between the clamping block and the clamping ring, and the air intake pipe is provided with a plurality of air intake holes. A fixing frame is installed on the surface of the trachea, a buffer pad is installed in the middle of the fixing frame, a threaded hole is opened on the top of the fixing frame, a screw rod is installed in the threaded hole, a rotating wheel is installed on the top of the screw rod, an extrusion plate is connected to the bottom end of the screw rod, two groups of placement frames are installed at the rear of the main body, two groups of slide grooves are arranged at the bottom of the main body, two groups of sliders are installed in the slide grooves, the sliders are connected to the load-bearing frame, a mounting frame is connected to the rear of the load-bearing frame, a connecting rod is connected in the middle of the load-bearing frame, the connecting rod extends from the middle to both sides of the load-bearing frame, empty grooves are arranged on both sides of the connecting rod, a second spring is installed in the empty groove, a clamping block is installed on the outside of the second spring, and clamping grooves are arranged on both sides of the main body.

[0006] As a further solution of the present invention: the grooves are provided with four groups, and limit grooves are provided on both sides of each group of grooves, the limit blocks on both sides of the locking block are respectively located in the corresponding limit grooves, the first spring is against the bottom surface of the locking block, the base extends into the interior of the air intake pipe, and the locking block is stuck in the lock hole, the support frame is placed on the platform inside the base, the first motor is installed in the middle position of the support frame, a gear is installed on the operating shaft of the first motor, a gear ring is provided in the middle of the connecting frame, the gear is inserted into the gear ring, the connecting frame is fixed together with the rotating frame, four groups of air inlets are provided around the rotating frame, and the guide plate is located behind each group of air inlets.

[0007] As a further solution of the present invention: the clamping block is firmly clamped in the clamping ring, the fixing frame is semicircular in shape, the air intake pipe is fixed in the circle due to the extrusion plate, the fixing frame is installed to the rear of the main body, and the placement frame is provided with two groups and is parallel to the bottom surface of the air intake pipe.

[0008] As a further solution of the present invention: the second spring pulls the bottom surface of the clamping block and enables the clamping block to be firmly clamped in the clamping grooves on both sides of the main body.

[0009] As a further solution of the present invention: a bracket is installed in the connection port between the air inlet pipe and the main body, a second motor is installed in the middle of the bracket, and blades are installed on the operating shaft of the second motor.

[0010] As a further solution of the present invention: a display screen is arranged on the surface of the main body, and a button is installed on one side of the display screen.

[0011] As a further solution of the present invention: an air outlet is arranged on the side of the main body.

[0012] As a further solution of the present invention: a handle is installed on the upper surface of the main body.

[0013] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are: 1. The present invention drives the rotating frame above the operating shaft to rotate by operating the first motor in the guide assembly, so that the guide plate on the side of the rotating frame can adjust the angle to guide the air into the air inlet, and can guide part of the airflow that was originally blocked around the air inlet, thereby increasing the actual amount of air that can enter the device, ensuring that the device can timely and fully obtain the air sample to be tested, and improving the air intake efficiency. At the same time, when installing, the base is pressed down, and the locking holes around the base will squeeze the locking block. The locking block is squeezed inward by the first spring at the bottom and reaches the locking hole. The locking block will pop out due to the squeezing of the first spring, so that the locking hole is stuck in the locking block. When disassembling, it is pulled out upward, and the locking block touches the locking hole wall. The locking block squeezes the internal first spring inward, thereby separating from the locking block, and can be quickly installed on the top of the air inlet pipe, making installation and disassembly convenient and quick. When transferring the equipment, the guide assembly can be easily removed to avoid damage. 2. The present invention rotates the rotating wheel to drive the screw rod to rotate, so that the extrusion plate is separated from the air intake pipe, and the air intake pipe is movable. The clamping block at the end of the air intake pipe is rotated in the clamping ring, so that the air intake pipe rotates around the clamping ring. The sealing gasket between the clamping ring and the clamping block can make the connection tighter. The air intake pipe is rotated and placed on the placement rack behind the main body to reduce the vertical occupied area. It is placed horizontally behind the main body to avoid obstruction when the equipment is moved; 3. The present invention installs the mounting frame on the wall or other equipment, aligns the sliding groove under the main body with the slider and pushes it in. After pushing it in, pull the clamping blocks on both sides of the load-bearing frame to clamp the clamping blocks in the clamping grooves on both sides of the main body. The clamping blocks are pulled by a second spring at the end so that the clamping blocks always have an inward extrusion force, thereby fixing the main body on the load-bearing frame. When removing, pull the clamping blocks to pull the main body out of the slider, and the main body can be disassembled and separated. It can adapt to different installation scenarios, improve installation efficiency, ensure the stability of equipment operation, meet different detection environments, and improve the versatility of the equipment.

[0014] Other advantages, objectives and features of the present invention will be set forth in part in the following description and, in part, will be apparent to those skilled in the art based on an examination of the following or may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of an embodiment of the present invention; Figure 2 Schematic diagram of a flow guide assembly in an embodiment of the present invention; Figure 3 In the embodiment of the present invention Figure 2 Schematic diagram of middle A; Figure 4 This is a schematic diagram of a locking block in an embodiment of the present invention; Figure 5 This is a schematic diagram of a card block explosion in an embodiment of the present invention; Figure 6 is a schematic diagram of a second motor in an embodiment of the present invention; Figure 7 A schematic diagram of a fixing frame in an embodiment of the present invention; Figure 8 In the embodiment of the present invention Figure 7 Middle B schematic diagram; Fig. 9 Schematic diagram of the slideway in the embodiment of the present invention.

[0016] In the figure: 1, main body; 2, air inlet pipe; 21, first spring; 22, lock block; 23, limit block; 3, guide assembly; 31, base; 311, lock hole; 32, support frame; 33, first motor; 331, gear; 34, connecting frame; 341, gear ring; 35, rotating frame; 351, ceiling; 352, air inlet; 36, guide plate; 4, block; 41, snap ring; 42, sealing gasket; 4 3. Fixed frame; 431. Buffer pad; 432. Screw rod; 433. Rotating wheel; 434. Extrusion plate; 44. Placement frame; 5. Slide groove; 51. Sliding block; 52. Load-bearing frame; 53. Mounting frame; 54. Connecting rod; 541. Empty slot; 542. Second spring; 543. Clamp; 6. Bracket; 61. Second motor; 62. Blade; 7. Display screen; 71. Button; 8. Air vent; 9. Handle. DETAILED DESCRIPTION

[0017] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0018] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0019] Please see attached Figure 1 -Attached Fig. 9The present invention provides an air particle concentration detection device, including a main body 1 and an air intake pipe 2. Four groups of grooves are provided at the top of the air intake pipe 2. A first spring 21 is arranged in the groove. A locking block 22 connected at one end has limit blocks 23 on both sides. The upper guide component 3 can be inserted into the air intake pipe 2. The guide component 3 includes a base 31, a support frame 32, a first motor 33, a connecting frame 34, a rotating frame 35 and a guide plate 36. The ceiling 351 prevents foreign matter from directly entering the air intake pipe 2 from above. When the first motor 33 in the guide component 3 is running, it can drive the rotating frame 35 above the operating shaft to rotate, thereby causing the guide plate on the side of the rotating frame 35 to rotate. 36 can be rotated, and the guide plate 36 can adjust the angle according to actual conditions, and then rotate to guide part of the airflow that was originally blocked around the air inlet, thereby improving the air intake efficiency. The locking holes 311 around the base 31 are tightly matched with the locking block 22 at the top of the air inlet pipe 2. When installing, the base 31 is pressed down, and the locking hole 311 squeezes the locking block 22. With the elasticity of the first spring 21 at the bottom, the locking block 22 can quickly pop out and jam the locking hole 311, thereby realizing the convenient installation of the guide component 3 at the top of the air inlet pipe 2. When disassembling, it is pulled out upwards, and the locking block 22 touches the wall of the locking hole 311 and squeezes the first spring 21 to detach, making installation and disassembly quick. , the guide assembly 3 can be easily removed when transferring the equipment to effectively prevent it from being damaged. The block 4 below the air intake pipe 2 cooperates with the outer clamping ring 41, and the sealing gasket 42 therebetween ensures a tight connection. The fixing frame 43 on the surface of the air intake pipe 2 is provided with a buffer pad 431, and the screw rod 432 in the top threaded hole can drive the extrusion plate 434 at the bottom to move by twisting the top wheel 433, so that the air intake pipe 2 can be flexibly moved, and then it can be rotated around the clamping ring 41 and placed on the placement frame 44 behind the main body 1, which reduces the occupied area in the vertical direction and will not cause obstacles when the equipment is moved. The two sets of slide grooves 5 and the slider 51 at the bottom of the main body 1 The slider 51 is connected to the load-bearing frame 52, and the load-bearing frame 52 can be installed on a wall or other equipment through the mounting frame 53 at the rear. There are empty grooves 541 on both sides of the connecting rod 54 in the middle of the load-bearing frame 52, and a second spring 542 and a clamping block 543 are built in. The clamping grooves on both sides of the main body 1 cooperate with the clamping block 543. With the help of the pulling force of the second spring 542, the clamping block 543 always has an inward extrusion force, thereby firmly fixing the main body 1. When removing, pull the clamping block 543 to pull out the main body 1. This design can adapt to a variety of installation scenarios, improve installation efficiency, ensure stable operation of the equipment, and improve the versatility of the equipment, which can well meet the needs of different detection environments.

[0020] In the first embodiment, there are four groups of grooves, and both sides of each group of grooves are provided with limit grooves, the limit blocks 23 on both sides of the lock block 22 are respectively located in the corresponding limit grooves, the first spring 21 is pressed against the bottom surface of the lock block 22, the base 31 extends into the interior of the intake pipe 2, and the lock block 22 is stuck in the lock hole 311, the support frame 32 is placed on the platform inside the base 31, the first motor 33 is installed in the middle position of the support frame 32, a gear 331 is installed on the operating shaft of the first motor 33, a gear ring 341 is provided in the middle of the connecting frame 34, and the gear 331 is inserted into the gear ring 341 Inside, the connecting frame 34 is fixed with the rotating frame 35, four groups of air inlets 352 are opened around the rotating frame 35, the guide plate 36 is located behind each group of air inlets 352, the clamping block 4 is firmly clamped in the clamping ring 41, the shape of the fixing frame 43 is semicircular, the air inlet pipe 2 is fixed in the circle due to the extrusion plate 434, the fixing frame 43 is installed to the rear of the main body 1, and the placing frame 44 is provided with two groups, and is parallel to the bottom surface of the air inlet pipe 2, the second spring 542 pulls the bottom surface of the clamping block 543, and enables the clamping block 543 to be firmly clamped in the clamping grooves on both sides of the main body 1; Specifically, four groups of grooves are provided at the top of the air intake pipe 2, and the two groups of limit grooves on both sides of the grooves are adapted to the limit blocks 23 on both sides of the lock block 22. The first spring 21 is pressed against the bottom surface of the lock block 22, so that when the base 31 extends into the air intake pipe 2, the lock block 22 can be accurately stuck in the lock hole 311. The installation is firm and convenient, which is convenient for equipment assembly and subsequent maintenance operations. The support frame 32 is placed on the internal platform of the base 31, and the first motor 33 is installed in the middle. The gear 331 on the motor operating shaft is inserted into the gear ring 341 in the middle of the connecting frame 34. The connecting frame 34 is fixed to the rotating frame 35. The four groups of air inlets 352 around the rotating frame 35 and the guide plate 36 at the rear play an important role. The operation of the first motor 33 drives the rotating frame 35 to rotate, and the guide plate 36 can adjust the angle, which can be The airflow is effectively guided, and part of the airflow that was originally blocked is introduced to increase the air intake volume, ensure that the test samples are obtained in a timely and sufficient manner, and improve the air intake efficiency. The block 4 below the air intake pipe 2 is stuck in the clamping ring 41 and is tightly connected. The semicircular fixing frame 43 fixes the air intake pipe 2 in the semicircle and is installed behind the main body 1 to facilitate the fixation and adjustment of the air intake pipe 2. Two sets of placement frames 44 parallel to the bottom surface of the air intake pipe 2 provide convenience for the placement of the air intake pipe 2, reduce vertical space occupied, and facilitate the movement of the equipment. The bottom of the main body 1 cooperates with the slider 51 through the slide groove 5, and the clamping block 543 of the load-bearing frame 52 is clamped in the clamping grooves on both sides of the main body 1 under the pulling force of the second spring 542, which firmly fixes the main body 1. It is easy to install and can adapt to different scenes, ensuring stable operation of the equipment and meeting the needs of various detection environments.

[0021] In the second embodiment, a bracket 6 is installed in the connection between the air inlet pipe 2 and the main body 1, a second motor 61 is installed in the middle of the bracket 6, a blade 62 is installed on the operating shaft of the second motor 61, a display screen 7 is provided on the surface of the main body 1, and a button 71 is installed on one side of the display screen 7; Specifically, a bracket 6 is installed in the connection port between the air intake pipe 2 and the main body 1, and a blade 62 is installed on the operating shaft of the second motor 61 in the middle of the bracket 6, which can provide power for air intake. A display screen 7 is set on the surface of the main body 1, which can intuitively present the detection data and display the particle concentration. The button 71 on one side of the display screen 7 can realize the switching device.

[0022] In the third embodiment, an air outlet 8 is provided on the side of the main body 1, and a handle 9 is installed on the upper surface of the main body 1; Specifically, the air outlet 8 on the side of the main body 1 discharges the detected gas, and the handle 9 on the upper surface of the main body 1 is convenient for users to move and transfer.

[0023] Working principle: First, four groups of grooves are arranged at the top of the air intake pipe 2, and the limiting grooves on both sides thereof are adapted to the limiting blocks 23 of the locking block 22. The first spring 21 is pressed against the bottom surface of the locking block 22. When installing the air guide component 3, the base 31 is extended into the air intake pipe 2, and the locking block 22 can be accurately stuck in the locking hole 311 of the base 31. The installation is firm and convenient, which is conducive to subsequent maintenance. In the air guide component 3, the first motor 33 is installed in the middle of the support frame 32, and the gear 331 on the operating shaft is inserted into the gear ring 341 of the connecting frame 34, which drives the rotating frame 35 to rotate. The four groups of The air inlet 352 and the rear guide plate 36 work, and the first motor 33 runs to allow the guide plate 36 to adjust its angle, which can introduce the blocked airflow around the air inlet, increase the air intake, ensure that the equipment obtains the air sample to be tested in time and fully, and improve the air intake efficiency. When there is no need to work or move the equipment, the top screw 432 of the semicircular fixing frame 43 on the surface of the air inlet pipe 2 is turned, and the bottom squeezing plate 434 can be moved by turning the rotating wheel 433, so that the air inlet pipe 2 can be flexibly moved, and the clamping block 4 below it is clamped in the clamping ring 41 and connected tightly. The air pipe 2 can rotate around the clamp ring 41 and be placed on two sets of placement racks 44 parallel to the bottom surface of the air inlet pipe 2 at the rear of the main body 1, so as to reduce vertical occupancy and avoid obstruction when moving the equipment. The slide groove 5 at the bottom of the main body 1 cooperates with the slider 51, and the slider 51 is connected to the load-bearing frame 52, which can be installed on a wall through the mounting frame 53. The empty grooves 541 on both sides of the connecting rod 54 in the middle of the load-bearing frame 52 have second springs 542 and clamps 543. The clamping grooves on both sides of the main body 1 cooperate with the clamps 543, and the clamps 543 have an inward extrusion force by the pulling force of the second spring 542, so as to stabilize and fix the clamps. The main body 1 is fixed, which is easy to install and adaptable to multiple scenarios, ensuring stable operation. When disassembling, pull the clamp 543 to pull out the main body 1. The second motor 61 in the middle of the bracket 6 at the connection port between the air inlet pipe 2 and the main body 1 drives the blade 62 to rotate to assist air intake. The display screen 7 on the surface of the main body 1 displays the detection data, and the button 71 can operate the equipment. The air outlet 8 on the side of the main body 1 discharges the gas after detection to maintain internal circulation. The handle 9 on the upper surface is convenient for moving the equipment. Combined with the layout of the air inlet pipe 2, it can be moved without obstacles, which improves portability. At this point, the entire workflow is completed.

[0024] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.

[0027] It is apparent to those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the invention, and the changes still fall within the protection scope of the invention.

Claims

1. An air particle concentration detection device, comprising a main body (1) and an air intake pipe (2), characterized in that: A groove is provided at the top of the air intake pipe (2), a first spring (21) is installed in the groove, a locking block (22) is installed at one end of the first spring (21), and limit blocks (23) are installed on both sides of the surface of the locking block (22). A flow guide component (3) is provided above the air intake pipe (2), and the flow guide component (3) can be stuck in the air intake pipe (2). The flow guide component (3) comprises a base (31), a support frame (32), a first motor (33), a connecting frame (34), A rotating frame (35) and a guide plate (36), the base (31) is provided with locking holes (311) around the periphery, a ceiling (351) is installed above the rotating frame (35), a clamping block (4) is installed below the air intake pipe (2), a clamping ring (41) is installed on the outside of the clamping block (4), a sealing gasket (42) is installed in the gap between the clamping block (4) and the clamping ring (41), a fixing frame (43) is installed on the surface of the air intake pipe (2), and a buffer (42) is installed in the middle of the fixing frame (43). A punch pad (431) is provided at the top of the fixing frame (43), a threaded hole is provided in the threaded hole, a screw rod (432) is installed in the top of the screw rod (432), a rotating wheel (433) is installed in the bottom of the screw rod (432), an extrusion plate (434) is connected to the bottom of the screw rod (432), two groups of placement frames (44) are installed at the rear of the main body (1), two groups of slide grooves (5) are provided at the bottom of the main body (1), two groups of sliders (51) are installed in the slide grooves (5), and the sliders (51) A load-bearing frame (52) is connected, a mounting frame (53) is connected to the rear of the load-bearing frame (52), a connecting rod (54) is connected in the middle of the load-bearing frame (52), the connecting rod (54) extends from the middle to both sides of the load-bearing frame (52), both sides of the connecting rod (54) are provided with empty grooves (541), a second spring (542) is installed in the empty groove (541), a clamping block (543) is installed outside the second spring (542), and clamping grooves are provided on both sides of the main body (1).

2. The air particle concentration detection device according to claim 1, characterized in that: The grooves are provided in four groups, and both sides of each group of grooves are provided with limit grooves. The limit blocks 23 on both sides of the lock block (22) are respectively located in the corresponding limit grooves. The first spring (21) is pressed against the bottom surface of the lock block (22). The base (31) extends into the interior of the air intake pipe (2), and the lock block (22) is stuck in the lock hole (311). The support frame (32) is placed on a platform inside the base (31). The first motor (33) is installed in the middle of the support frame (32). A gear (331) is installed on the operating shaft of the first motor (33). A gear ring (341) is provided in the middle of the connecting frame (34), and the gear (331) is inserted into the gear ring (341). The connecting frame (34) is fixed together with the rotating frame (35). Four groups of air intake ports (352) are provided around the rotating frame (35). The guide plate (36) is located behind each group of air intake ports (352).

3. The air particle concentration detection device according to claim 1, characterized in that: The clamping block (4) is firmly clamped in the clamping ring (41); the fixing frame (43) is semicircular in shape; the air intake pipe (2) is fixed in the circle by the extrusion plate (434); the fixing frame (43) is installed at the rear of the main body (1); and two groups of the placement frames (44) are provided and are parallel to the bottom surface of the air intake pipe (2).

4. The air particle concentration detection device according to claim 1, characterized in that: The second spring (542) pulls the bottom surface of the clamping block (543) and enables the clamping block (543) to be firmly clamped in the clamping grooves on both sides of the main body (1).

5. The air particle concentration detection device according to claim 1, characterized in that: A bracket (6) is installed in the connection port between the air inlet pipe (2) and the main body (1), a second motor (61) is installed in the middle of the bracket (6), and a blade (62) is installed on the operating shaft of the second motor (61).

6. The air particle concentration detection device according to claim 1, characterized in that: A display screen (7) is provided on the surface of the main body (1), and a button (71) is installed on one side of the display screen (7).

7. The air particle concentration detection device according to claim 1, characterized in that: An air outlet hole (8) is provided on the side of the main body (1).

8. The air particle concentration detection device according to claim 1, characterized in that: A handle (9) is mounted on the upper surface of the main body (1).

Citation Information

Cited By

  • Automatic particulate matter monitoring device and monitoring method thereof

    CN120314166A