CN212391461U

CN212391461U - Air quality detection device for subway carriage

Info

Publication number: CN212391461U
Application number: CN202021276318.XU
Authority: CN
Inventors: 苏朗; 杨磊
Original assignee: Global Institute of Software Technology Suzhou
Current assignee: Global Institute of Software Technology Suzhou
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-01-22
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to the technical field of air detection, in particular to an air quality detection device for a subway carriage, which comprises a fixed shell, wherein the inner side of the top end and the inner side of the bottom end of the fixed shell can be detachably connected with a connecting device, the connecting device is positioned at the upper side from left to right, the bottom end of the connecting device is sequentially and fixedly connected with a PM2.5 sensor, a formaldehyde sensor and a TVOC sensor, the connecting device is positioned at the lower side from left to right, the top end of the connecting device is sequentially and fixedly connected with a temperature sensor and a humidity sensor, the bottom end of the fixed shell is fixedly connected with an upper computer module, in the utility model, the clamping and limiting of a cover plate can be realized through the action of a clamping head and a spring by arranging a handle, the cover plate, a clamping head, a telescopic rod, a spring and a sealing gasket, the disassembly of the cover plate and the, the sealing performance between the cover plate and the fixed shell can be ensured through the sealing gasket.

Description

Air quality detection device for subway carriage

Technical Field

The utility model relates to an empty gas detection surveys technical field, specifically is an air quality detection device for subway carriage.

Background

The Air quality (Air quality) reflects the Air pollution degree, which is judged according to the concentration of pollutants in the Air, the Air pollution is a complex phenomenon, the concentration of the Air pollutants is influenced by a plurality of factors at a specific time and place, the emission size of artificial pollutants from fixed and mobile pollution sources is one of the most main factors influencing the Air quality, and the Air quality test is also required due to the large flow of people in a subway carriage.

Air quality detection device simple structure that appears in the existing market, the function is single, the various sensors of general detection device are all together fixed, dismantle the maintenance to one of them when needing to pull down the sensor is whole, the loaded down with trivial details staff's of being not convenient for use of step, general detection device does not have the device to gas filtration simultaneously, lead to the dust to cover on the surface of sensor, general gas filtration device is not convenient for to dismantle the clearance to the filter screen simultaneously, staff's of being not convenient for use, consequently, provide an air quality detection device for subway carriage to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air quality detection device for subway carriage to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an air quality detection device for subway carriage, includes the set casing, the inboard fixedly connected with draught fan of right-hand member of set casing, the inboard fixedly connected with filter equipment in left end of set casing, the top inboard and the bottom inboard of set casing all can be dismantled and be connected with connecting device, lie in the upside from a left side to the right side connecting device's bottom fixedly connected with PM2.5 sensor, formaldehyde sensor and TVOC sensor in proper order lie in the downside from a left side to the right side connecting device's top fixedly connected with temperature sensor and humidity transducer in proper order, the bottom fixedly connected with host computer module of set casing.

Preferably, the inner side of the right end of the fixed shell is provided with an air hole.

Preferably, the PM2.5 sensor, the formaldehyde sensor, the TVOC sensor, the temperature sensor and the humidity sensor are arranged in a staggered mode.

Preferably, connecting device includes handle, apron, dop, telescopic link, spring, sealed pad and connecting axle, the inboard equal fixedly connected with telescopic link in top and the bottom of set casing, the other end fixedly connected with dop of telescopic link, the outside of telescopic link is provided with the spring, the one end outside block of dop has the apron, the inboard sealed pad of the inboard equal fixedly connected with in top and the bottom of set casing, and sealed pad and apron looks block, the top fixedly connected with handle of apron.

Preferably, the sealing gasket is made of rubber.

Preferably, filter equipment includes solid fixed cylinder, screw ring, clamping ring, filter screen and soft ring, the solid fixed cylinder of the inboard fixedly connected with in left end of set casing, the inboard fixedly connected with support ring of solid fixed cylinder, the left end of support ring is provided with the filter screen, the outside screwed connection of solid fixed cylinder has the screw ring, the left end fixedly connected with clamping ring of screw ring, the right-hand member fixedly connected with soft ring of clamping ring, and soft ring and filter screen laminating.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the handle that sets up, apron, dop, telescopic link, spring and sealed pad, can realize spacing the block of apron through the effect of dop and spring, also be convenient for simultaneously dismantle apron and fixed sensor, be convenient for to the maintenance in later stage, can realize dismantling the clearance alone to single sensor, can guarantee the leakproofness between apron and the set casing through sealed pad.

2. The utility model discloses in, through the fixed section of thick bamboo that sets up, screw ring, clamping ring, filter screen and soft ring, can filter the dust in the air through the filter screen, make the dust can not get into the inboard of various sensors, influence the normal use of sensor, be convenient for simultaneously to the dismantlement clearance of filter screen.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-fixed shell, 2-induced draft fan, 3-air vent, 4-connecting device, 401-handle, 402-cover plate, 403-clamping head, 404-telescopic rod, 405-spring, 406-sealing gasket, 407-connecting shaft, 5-filtering device, 501-fixed cylinder, 502-threaded ring, 503-pressing ring, 504-filtering screen, 505-soft ring, 506-supporting ring, 6-PM2.5 sensor, 7-formaldehyde sensor, 8-TVOC sensor, 9-temperature sensor, 10-humidity sensor and 11-upper computer module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides an air quality detection device for subway carriage, including set casing 1, the inboard fixedly connected with draught fan 2 of right-hand member of set casing 1, the inboard fixedly connected with filter equipment 5 of left end of set casing 1, all detachable connection has connecting device 4 in the top inboard and the bottom inboard of set casing 1, from a left side to the right side be located the bottom of connecting device 4 of upside fixedly connected with PM2.5 sensor 6 in proper order, formaldehyde sensor 7 and TVOC sensor 8, from a left side to the right side be located the top of connecting device 4 of downside fixedly connected with temperature sensor 9 and humidity transducer 10 in proper order, the bottom fixedly connected with host computer module 11 of set casing 1.

The inner side of the right end of the fixed shell 1 is provided with air holes 3 for facilitating the circulation of air, a PM2.5 sensor 6, a formaldehyde sensor 7, a TVOC sensor 8, a temperature sensor 9 and a humidity sensor 10 are arranged in a staggered manner and can detect air, a connecting device 4 comprises a handle 401, a cover plate 402, a clamping head 403, a telescopic rod 404, a spring 405, a sealing gasket 406 and a connecting shaft 407, the inner sides of the top end and the bottom end of the fixed shell 1 are fixedly connected with the telescopic rod 404, the other end of the telescopic rod 404 is fixedly connected with the clamping head 403, the outer side of the telescopic rod 404 is provided with the spring 405, the outer side of one end of the clamping head 403 is clamped with the cover plate 402, the inner sides of the top end and the bottom end of the fixed shell 1 are fixedly connected with the sealing gasket 406, the sealing gasket 406 is clamped with the cover plate 402, the handle 401 is fixedly connected with, sealing pad 406 is made by the rubber material, guarantee that apron 402 and set casing 1 can not appear the phenomenon of gas leakage, filter equipment 5 includes solid fixed cylinder 501, threaded ring 502, clamping ring 503, filter screen 504 and soft ring 505, gu fixed cylinder 501 of the inboard fixedly connected with in left end of set casing 1, gu fixed cylinder 501's inboard fixedly connected with support ring 506, the left end of support ring 506 is provided with filter screen 504, gu fixed cylinder 501's outside threaded connection has threaded ring 502, threaded ring 502's left end fixedly connected with clamping ring 503, clamping ring 503's right-hand member fixedly connected with soft ring 505, and soft ring 505 and filter screen 504 laminating, can filter the dust in the gas through filter screen 504.

The working process is as follows: the utility model supplies power through an external power supply before using, and connects the upper computer module 11 with a mobile phone or a computer client, when a worker needs to install the filter screen 504, the worker places the filter screen 504 at the left end of the support ring 506, then the screw ring 502 drives the press ring 503 and the soft ring 505 to rotate at the inner side of the fixed cylinder 501 until the soft ring 505 is completely contacted with the filter screen 504, the press ring 503 can be prevented from excessively extruding the filter screen 504 through the soft ring 504, when one sensor needs to be disassembled and cleaned, the worker pulls the cover plate 402 in the direction far away from the horizontal central line of the fixed shell 1 through the handle 401, the cover plate 402 can extrude the clamp 403 in the upward moving process, so that the clamp 403 moves to the position far away from the vertical central line of the corresponding cover plate 402, and the cover plate 402 can also move out from the inner side of the fixed shell 1 through the connecting shaft 407 with the corresponding sensor, handle the inboard of fixing shell 1 of going into again apron 402 and corresponding apron 402 card after accomplishing, control draught fan 2 work after that, the draught fan passes through filter screen 50 the inboard gas suction fixing shell 1's of subway carriage inboard, and pass through PM2.5 sensor 6 in proper order, formaldehyde sensor 7, TVOC sensor 8, temperature sensor 9 and humidity transducer 10 detect gas, the host computer module shows the data of gathering simultaneously, the storage and the processing analysis, can the inquiry result through computer or cell-phone simultaneously.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air quality detection device for subway carriage, includes stationary casing (1), its characterized in that: the inboard fixedly connected with draught fan (2) of right-hand member of set casing (1), the inboard fixedly connected with filter equipment (5) of left end of set casing (1), the top inboard and the bottom inboard of set casing (1) all can be dismantled and be connected with connecting device (4), lie in the upside from a left side to the right side the bottom of connecting device (4) is fixedly connected with PM2.5 sensor (6), formaldehyde sensor (7) and TVOC sensor (8) in proper order, lies in the downside from a left side to the right side the top of connecting device (4) is fixedly connected with temperature sensor (9) and humidity transducer (10) in proper order, the bottom fixedly connected with host computer module (11) of set casing (1).

2. The air quality detection device for the subway car as claimed in claim 1, wherein: the right end inner side of the fixed shell (1) is provided with an air hole (3).

3. The air quality detection device for the subway car as claimed in claim 1, wherein: PM2.5 sensor (6), formaldehyde sensor (7), TVOC sensor (8), temperature sensor (9) and humidity transducer (10) are the setting of staggering.

4. The air quality detection device for the subway car as claimed in claim 1, wherein: connecting device (4) are including handle (401), apron (402), dop (403), telescopic link (404), spring (405), sealed pad (406) and connecting axle (407), the top inboard and the equal fixedly connected with telescopic link (404) in bottom inboard of set casing (1), the other end fixedly connected with dop (403) of telescopic link (404), the outside of telescopic link (404) is provided with spring (405), the one end outside block of dop (403) has apron (402), the sealed pad (406) of the inboard equal fixedly connected with in top and bottom of set casing (1), and sealed pad (406) and apron (402) looks block, the top fixedly connected with handle (401) of apron (402).

5. The air quality detection device for subway cars as claimed in claim 4, wherein: the sealing gasket (406) is made of rubber.

6. The air quality detection device for the subway car as claimed in claim 1, wherein: filter equipment (5) is including solid fixed cylinder (501), threaded ring (502), clamping ring (503), filter screen (504) and soft ring (505), gu fixed cylinder (501) of the inboard fixedly connected with in left end of set casing (1), gu the inboard fixedly connected with support ring (506) of fixed cylinder (501), the left end of support ring (506) is provided with filter screen (504), gu the outside screwed connection of fixed cylinder (501) has threaded ring (502), the left end fixedly connected with clamping ring (503) of threaded ring (502), the right-hand member fixedly connected with soft ring (505) of clamping ring (503), and soft ring (505) and filter screen (504) laminating.