CN216082410U

CN216082410U - Environmental air particulate matter concentration detector

Info

Publication number: CN216082410U
Application number: CN202122222535.1U
Authority: CN
Inventors: 杨成东; 刘兆栋; 李振兴; 张伟
Original assignee: Linyi University
Current assignee: Linyi University
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-18
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of air concentration, in particular to an ambient air particulate matter concentration detector which comprises a fixed box, a movable box and a detector body, wherein one end of an electric telescopic rod is fixedly connected to the inner wall of the bottom of the fixed box, the other end of the electric telescopic rod penetrates through the movable box and is fixedly connected to the lower end of the detector body through a fixed frame, the upper end of the fixed box is hinged with a baffle through a hinge, one end of a first spring is welded to the lower end of the baffle, and the other end of the first spring is welded to the inner wall of the fixed box; the utility model has the beneficial effects that: through setting up fixed case, electric telescopic handle, movable box for concentration detection appearance detects time in external environment, can directly place on ground, and can freely height-adjusting, has broken away from adversary's constraint, detects the air particulate matter concentration of co-altitude not, has improved the accuracy of data.

Description

Environmental air particulate matter concentration detector

Technical Field

The utility model relates to the technical field of air concentration detection, in particular to an ambient air particulate matter concentration detector.

Background

The air concentration detector is a special detector special for measuring PM2.5 (particle matter capable of entering lung) and PM10 (particle matter capable of being inhaled) values in air, consists of a sensor and a data processor which are assembled together, and can be suitable for monitoring the particle matters in public places such as disease control centers, health supervision, environment detection, various universities and institutions, research institutes and the like, hotels, movie theaters, meeting places, stations, docks, markets and the like, and places such as steel, metallurgy, chemical engineering, building materials, pharmacy, decoration and the like, but when the existing air concentration detector detects the concentration of fine particle matters in air, the air concentration detector needs to be placed in the external environment for detection during continuous sampling detection, the handheld equipment is directly placed on the ground for use, so that the pollution is caused, and the air concentration at different heights cannot be detected due to the low placement height, so that the detection data precision of a detection sample is low, influence the accuracy of the data; therefore, the utility model provides an ambient air particulate matter concentration detector for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ambient air particulate matter concentration detector to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the detector comprises a fixed box, a movable box and a detector body, wherein one end of an electric telescopic rod is fixedly connected to the inner wall of the bottom of the fixed box, the other end of the electric telescopic rod penetrates through the movable box and is fixedly connected to the lower end of the detector body through a fixed frame, the upper end of the fixed box is hinged with a baffle through a hinge, one end of a first spring is welded to the lower end of the baffle, the other end of the first spring is welded to the inner wall of the fixed box, a chute is formed in the side wall of the fixed box, a movable block is integrally formed on the side wall of the movable box and is slidably connected in the chute, a movable groove is formed in the side wall of the movable box, one end of a second spring is welded to the inner wall of the movable groove, the other end of the second spring is welded to a limiting block, the limiting block is movably connected to the movable groove, and a limiting groove is formed in the side wall of the detector body, spacing groove and stopper phase-match, fixedly connected with fixed block on the inner wall of movable box, it has the fly leaf to articulate on the fixed block, the welding has the one end of third spring on the lateral wall of fly leaf, the other end welding of third spring is on the inner wall of movable box, fixedly connected with toper piece on the fly leaf, the bell jar has been seted up on the lateral wall of detector body, toper piece and bell jar match mutually.

Preferably, the detector body includes operation panel, pilot lamp and numerical display screen, the surface of detector body is provided with the numerical display screen, and the below of numerical display screen is provided with the pilot lamp, and the below of pilot lamp is provided with the operation panel.

Preferably, the first movable box and the second movable box have the same structure.

Preferably, the lower extreme of fixed case is provided with the supporting legs, the supporting legs sets up and is no less than four, fixedly connected with handle on the lateral wall of fixed case.

Preferably, the number of the baffle plates is two, and one baffle plate is rotatably connected with a limiting plate through a pin shaft.

Compared with the prior art, the utility model has the beneficial effects that: through setting up fixed case, electric telescopic handle and movable box for concentration detection appearance detects time in external environment, can directly place on ground, and can freely height-adjusting, has broken away from adversary's constraint, detects the air particulate matter concentration of co-altitude not, has improved the accuracy of data, makes the detector body obtain the protection when not using through setting up fixed case, baffle and limiting plate.

Drawings

FIG. 1 is a schematic view of the structure of the present invention in use;

FIG. 2 is a schematic structural view of the present invention when not in use;

FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the utility model at B in FIG. 1.

In the figure: the detector comprises a fixed box 1, supporting legs 2, an electric telescopic rod 3, a detector body 4, a handle 5, a baffle 6, a movable box 7, a movable block 8, a first spring 9, a fixed frame 10, an operating panel 11, an indicator lamp 12, a numerical display 13, a limiting plate 15, a second spring 16, a movable groove 17, a limiting block 18, a fixed block 19, a third spring 20, a movable plate 21, a conical groove 22, a conical block 23 and a limiting groove 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: comprises a fixed box 1, a movable box 7 and a detector body 4, one end of an electric telescopic rod 3 is fixedly connected on the inner wall of the bottom of the fixed box 1, the other end of the electric telescopic rod 3 penetrates through the movable box 7 and is fixedly connected at the lower end of the detector body 4 through a fixed frame 10, the upper end of the fixed box 1 is hinged with a baffle 6 through a hinge, one end of a first spring 9 is welded at the lower end of the baffle 6, the other end of the first spring 9 is welded on the inner wall of the fixed box 1, a chute is arranged on the side wall of the fixed box 1, a movable block 8 is integrally formed on the side wall of the movable box 7, the movable block 8 is connected in the chute in a sliding way, a movable groove 17 is arranged on the side wall of the movable box 7, one end of a second spring 16 is welded on the inner wall of the movable groove 17, the other end of the second spring 16 is welded on a limiting block 18, the limiting block 18 is movably connected in the movable groove 17, a limiting groove 24 is arranged on the side wall of the detector body 4, spacing groove 24 and stopper 18 phase-match, fixedly connected with fixed block 19 on the inner wall of movable box 7, it has fly leaf 21 to articulate on the fixed block 19, the welding has the one end of third spring 20 on the lateral wall of fly leaf 21, the other end welding of third spring 20 is on the inner wall of movable box 7, fixedly connected with toper piece 23 on the fly leaf 21, toper groove 22 has been seted up on the lateral wall of detector body 4, toper piece 23 matches each other with toper groove 22, through setting up stopper 18, toper piece 23, spacing groove 24, toper groove 22, the condition that drops appears in the use in preventing detector body 4.

The utility model can be further configured that the detector body 4 comprises an operation panel 11, an indicator light 12 and a numerical display 13, the numerical display 13 is arranged on the surface of the detector body 4, the indicator light 12 is arranged below the numerical display 13, and the operation panel 11 is arranged below the indicator light 12.

The utility model can be further arranged in such a way that the lower end of the fixed box 1 is provided with at least four supporting legs 2, the side wall of the fixed box 1 is fixedly connected with a handle 5, the supporting legs 2 are arranged to ensure that the detector body 4 can be directly prevented from being on the ground, and the handle 5 is arranged to facilitate carrying when the detector body 4 is not used.

The utility model can be further provided with two baffles 6, and one baffle 6 is rotatably connected with a limiting plate 15 through a pin shaft.

The working principle is as follows: when the air particulate concentration detector works practically, when the air particulate concentration in an external environment needs to be detected, firstly, the electric telescopic rod 3 is started, the electric telescopic rod 3 drives the detector body 4 to move upwards, the detector body 4 moves to drive the movable box 7 to move upwards, the baffle 6 is opened outwards and is abutted against the outer wall of the movable box 7, the electric telescopic rod 3 continues to move upwards, the limiting block 18 arranged on the inner wall of the movable box 7 is separated from the limiting groove 22 on the detector body 4, the movable box 7 moves upwards to the top end, and the detector body 4 continues to move upwards until the conical block 23 on the movable plate 21 is inserted into the conical groove 24 on the detector body 4, so that the detector body 4 can detect the air concentrations at different heights.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environment air particulate matter concentration detector, includes fixed case (1), movable box (7) and detector body (4), its characterized in that: the detector is characterized in that one end of an electric telescopic rod (3) is fixedly connected to the inner wall of the bottom of the fixed box (1), the other end of the electric telescopic rod (3) penetrates through the movable box (7) and is fixedly connected to the lower end of the detector body (4) through a fixed frame (10), the upper end of the fixed box (1) is hinged to a baffle (6) through a hinge, one end of a first spring (9) is welded to the lower end of the baffle (6), the other end of the first spring (9) is welded to the inner wall of the fixed box (1), a sliding groove is formed in the side wall of the fixed box (1), a movable block (8) is integrally formed on the side wall of the movable box (7), the movable block (8) is slidably connected to the sliding groove, a movable groove (17) is formed in the side wall of the movable box (7), and one end of a second spring (16) is welded to the inner wall of the movable groove (17), the other end welding of second spring (16) is on stopper (18), stopper (18) swing joint is in activity groove (17), spacing groove (24) have been seted up on the lateral wall of detector body (4), spacing groove (24) and stopper (18) phase-match, fixedly connected with fixed block (19) on the inner wall of activity case (7), it has fly leaf (21) to articulate on fixed block (19), the welding has the one end of third spring (20) on the lateral wall of fly leaf (21), the other end welding of third spring (20) is on the inner wall of activity case (7), fixedly connected with toper piece (23) on fly leaf (21), toper groove (22) have been seted up on the lateral wall of detector body (4), toper piece (23) and toper groove (22) match each other.

2. The ambient air particulate matter concentration detector of claim 1, wherein: the detector body (4) comprises an operation panel (11), an indicator lamp (12) and a numerical display screen (13), the numerical display screen (13) is arranged on the surface of the detector body (4), the indicator lamp (12) is arranged below the numerical display screen (13), and the operation panel (11) is arranged below the indicator lamp (12).

3. The ambient air particulate matter concentration detector of claim 1, wherein: the lower extreme of fixed case (1) is provided with supporting legs (2), four are no less than in supporting legs (2) setting, fixedly connected with handle (5) on the lateral wall of fixed case (1).

4. The ambient air particulate matter concentration detector of claim 1, wherein: the number of the baffle plates (6) is two, and a limiting plate (15) is rotatably connected to one baffle plate (6) through a pin shaft.