CN211148594U

CN211148594U - Construction site air quality detection device

Info

Publication number: CN211148594U
Application number: CN201922138114.3U
Authority: CN
Inventors: 辛亮
Original assignee: Shaanxi Borun Testing Service Co ltd
Current assignee: Shaanxi Borun Testing Service Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-31
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a job site air quality detection device, including casing and top cap, the casing is equipped with open-ended cavity cylindricality structure for the top, the top cap cover is established on the opening of casing, and the top face of top cap corresponds the opening part and is provided with the top filter screen, through the top face fixed connection of multiunit spring with the casing in the outer top cap of top filter screen, open-ended diameter is less than between the cavity of casing is inside, and has dust concentration sensor through the support mounting in the casing of opening below, dust concentration sensor's below is provided with two sets of dust absorption net, is located the below of dust absorption net loops through the support mounting and has formaldehyde sensor and TVOC sensor, TVOC sensor below is provided with two sets of active carbon absorption net. This job site air quality detection device can carry out purification treatment after accomplishing gas detection, realizes clean the emission.

Description

Construction site air quality detection device

Technical Field

The utility model belongs to the technical field of the air quality detects, concretely relates to job site air quality detection device.

Background

With the continuous development of industry and transportation industry, a large amount of harmful substances are discharged into the air, so that the normal composition of the air is changed, and the air quality is deteriorated. Health is affected when we live in polluted air. The air quality detection means detecting whether the air quality is good or not. The quality of the air reflects the concentration of pollutants in the air.

When the air quality is detected on the construction site, the existing detection device can only detect the air quality, and cannot purify the air, so that the detected gas can be discharged into the air, the accuracy of subsequent detection is influenced, and meanwhile, the help cannot be provided for the air environment on the site.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a job site air quality detection device 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: a construction site air quality detection device comprises a machine shell and a top cover, wherein the machine shell is of a hollow cylindrical structure with an opening at the top end, the top cover is sleeved on the opening of the casing, the top end surface of the top cover is provided with a top filter screen corresponding to the opening, the top cover outside the top filter screen is fixedly connected with the top end surface of the casing through a plurality of groups of springs, the diameter of the opening is smaller than that of the hollow part of the casing, and a dust concentration sensor is arranged in the machine shell below the opening through a bracket, two groups of dust adsorption nets are arranged below the dust concentration sensor, a formaldehyde sensor and a TVOC sensor are sequentially arranged below the dust adsorption net positioned at the lowest part through the bracket, the TVOC sensor below is provided with two sets of active carbon adsorption net, the fan that is used for induced drafting is still installed to the inside bottom of casing, and the slot that is used for inserting dust adsorption net and active carbon adsorption net is still offered to the side of casing.

Preferably, the top end face of the casing outside the opening and the bottom end face inside the top cover are both provided with a plurality of groups of jacks arranged in an annular array, and two ends of the spring are vertically inserted into the upper and lower groups of jacks respectively and are fixedly welded in the jacks.

Preferably, the slot interpolation is equipped with the anastomotic arc picture peg with it, the inboard welding of arc picture peg has annular carriage, the external diameter of carriage is the same with the cavity inner chamber diameter of casing, and the inside bottom of carriage is provided with the metal rack, dust adsorption net and active carbon adsorption net all coincide and place on the metal rack.

Preferably, the handle is still installed to the lateral surface intermediate position of arc picture peg, and the casing dorsal surface of arc picture peg place side installs the display screen, the display screen is through controller and dust concentration sensor, formaldehyde sensor and TVOC sensor electric connection who installs in the casing.

Preferably, the fan is arranged below the hollow inner cavity in the casing, the air suction opening of the fan extends into the top end of the hollow inner cavity, the air outlet is connected with an air outlet pipe, and the pipe opening is arranged and extended to the side face of the casing.

Preferably, the middle of the bottom end face of the casing is also provided with a bottom connecting pipe, and an internal thread is arranged inside the bottom connecting pipe.

The utility model discloses a technological effect and advantage: according to the construction site air quality detection device, the top cover is arranged at the top of the casing, the top filter screen is arranged on the top cover, and the top cover is connected with the casing through the spring, so that large-particle impurities can be filtered when detection is carried out on a construction site, the detection accuracy is ensured, meanwhile, the spring buffers the large-particle impurities falling onto the top cover, and the abrasion to the top cover is weakened; in addition, a dust concentration sensor, a formaldehyde sensor and a TVOC sensor for detecting air are arranged in the shell, and a dust adsorption net and an active carbon adsorption net are arranged below the shell correspondingly, so that the air in site construction can be detected in many aspects, and meanwhile, purification treatment can be carried out after the detection is finished, the quality of the air in site is improved, and the accuracy of the next detection is ensured; last dust adsorbs net and active carbon adsorption net installs on the metal rack in the carriage, and carriage accessible arc picture peg pulls out in the slot and inserts the processing to can detect the completion back many times, handle dust on the dust adsorption net, and replace active carbon adsorption net, ensure its adsorption efficiency, avoid the untimely problem that causes to detect inaccurately and purifying effect is poor of clearance.

Drawings

Fig. 1 is an internal vertical cross-sectional view of the present invention;

FIG. 2 is a schematic view of the housing structure of the present invention;

FIG. 3 is a schematic structural view of the support frame of the present invention;

fig. 4 is a schematic circuit diagram of the present invention.

In the figure: 1 casing, 2 top caps, 3 top filter screens, 4 openings, 5 springs, 6 jacks, 7 supports, 8 dust concentration sensors, 9 dust adsorption nets, 10 formaldehyde sensors, 11 TVOC sensors, 12 activated carbon adsorption nets, 13 fans, 14 air outlet pipes, 15 bottom connecting pipes, 16 slots, 17 arc-shaped plugboards, 18 metal net racks, 19 support frames and 20 handles.

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.

The utility model provides a construction site air quality detection device as shown in figures 1-4, which comprises a casing 1 and a top cover 2, wherein the casing 1 is a hollow cylindrical structure with an opening 4 at the top end, the top cover 2 is sleeved on the opening 4 of the casing 1, a top filter screen 3 is arranged at the position of the top end surface of the top cover 2 corresponding to the opening 4 for filtering large granular impurities, meanwhile, the top cover 2 is of a hemispherical structure which can facilitate the sliding of the impurities, avoid the accumulation and facilitate the sliding of the impurities, the top cover 2 outside the top filter screen 3 is fixedly connected with the top end surface of the casing 1 through a plurality of groups of springs 5, the diameter of the opening 4 is smaller than that between the hollow inner parts of the casing 1, a dust concentration sensor 8 is arranged in the casing 1 below the opening 4 through a bracket 7, two groups of dust adsorption nets 9 are arranged below the dust concentration sensor 8, owing to the absorption processing to detect the back dust, be located the below the dust adsorbs net 9 the below loops through support 7 and installs formaldehyde sensor 10 and TVOC sensor 11, TVOC sensor 11 below is provided with two sets of active carbon adsorption nets 12, absorbs the purification to formaldehyde and TVOC after detecting, the fan 13 that is used for induced drafting is still installed to the inside bottom of casing 1, and the slot 16 that is used for inserting dust adsorption net 9 and active carbon adsorption net 12 is still offered to the side of casing 1.

Specifically, jack 6 that multiunit annular array set up has all been opened to the inside bottom face of casing 1 top face and top cap 2 in the opening 4 outside, spring 5's both ends are vertical respectively and are established in two sets of jack 6 from top to bottom to fixed welding in jack 6 realizes the elastic mounting of top cap 2 on casing 1, slows down the wearing and tearing that large granule impurity dropped to cause on the top cap.

It is specific, slot 16 interpolation is equipped with anastomotic arc picture peg 17 with it, the inboard welding of arc picture peg 17 has annular carriage 19, the external diameter of carriage 19 is the same with the cavity inner chamber diameter of casing 1, can seal the coincidence to the cavity inner chamber of casing 1, and the inside bottom of carriage 19 is provided with metal net rack 18, dust adsorbs net 9 and active carbon adsorbs net 12 and all coincide and place on metal net rack 18, and metal net rack 18 realizes the supporting effect.

It is specific, handle 20 is still installed to arc picture peg 17's lateral surface intermediate position, convenient push-and-pull to

arc picture peg

17, and 1 back of the body side-mounting of arc picture peg 17 place side has the display screen, the display screen is through installing controller and dust concentration sensor 8, formaldehyde sensor 10 and the 11 electric connection of TVOC sensor in casing 1, and dust concentration sensor 8, formaldehyde sensor 10 and TVOC sensor 11 all adopt conventional model here, and the controller adopts the STM32 singlechip, through the processing to dust concentration sensor 8, formaldehyde sensor 10 and the 11 signals of TVOC sensor generate air quality display information output to the display screen on to conveniently observe.

Specifically, fan 13 installs the below at cavity inner chamber in casing 1, and its inlet scoop stretches into the top of cavity inner chamber, and the air outlet is connected with out tuber pipe 14, and on the mouth of pipe set up and extend to casing 1 side, can discharge the gas after the detection is accomplished.

Specifically, still install bottom connecting pipe 15 in the middle of the bottom face of casing 1, the inside of bottom connecting pipe 15 is provided with the internal thread, realizes being connected through bottom connecting pipe 15 and corresponding bracing piece, and it places to rise the integrated device to adapt to job site's detection demand.

Specifically, when the air quality detection device at the construction site is used for detection, the fan 13 is started to suck air, so that the air enters the casing 1 after large-particle impurities are filtered out from the top filter screen 3 on the top cover 2, after the dust concentration is detected by the dust concentration sensor 8 in the machine shell 1, the dust is adsorbed by two groups of dust adsorption nets 9, the treated gas enters the formaldehyde sensor 10 and the TVOC sensor 11 for detecting formaldehyde and TVOC, after the detection is finished, the gas is adsorbed by two groups of active carbon adsorption nets 12, the finally treated gas is discharged from the air outlet pipe 14, the dust concentration sensor 8, the formaldehyde sensor 10 and the TVOC sensor 11 transmit the detected signals to the controller, the controller processes the signals to generate air quality display information and outputs the air quality display information to the display screen so as to facilitate observation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a job site air quality detection device, includes casing (1) and top cap (2), its characterized in that: the casing (1) is provided with a hollow cylindrical structure with an opening (4) at the top end, the top cover (2) is sleeved on the opening (4) of the casing (1), the top end face of the top cover (2) is provided with a top filter screen (3) corresponding to the opening (4), the top end face of the casing (1) is fixedly connected with the top end face of the top filter screen (3) through a plurality of groups of springs (5) in the top cover (2), the diameter of the opening (4) is smaller than that of the hollow interior of the casing (1), a dust concentration sensor (8) is arranged in the casing (1) below the opening (4) through a support (7), two groups of dust adsorption nets (9) are arranged below the dust concentration sensor (8), the lowest part of the dust adsorption nets (9) is provided with a formaldehyde sensor (10) and a TVOC sensor (11) sequentially through the support (7), TVOC sensor (11) below is provided with two sets of active carbon adsorption net (12), fan (13) that are used for induced drafting are still installed to the inside bottom of casing (1), and slot (16) that are used for inserting dust adsorption net (9) and active carbon adsorption net (12) are still offered to the side of casing (1).

2. The construction site air quality detection device according to claim 1, wherein: the top end face of the shell (1) on the outer side of the opening (4) and the bottom end face inside the top cover (2) are provided with a plurality of groups of jacks (6) arranged in an annular array, two ends of the spring (5) are vertically inserted into the upper and lower groups of jacks (6) respectively and are fixedly welded in the jacks (6).

3. The construction site air quality detection device according to claim 1, wherein: the slot (16) interpolation is equipped with anastomotic arc picture peg (17) with it, the inboard welding of arc picture peg (17) has annular carriage (19), the external diameter of carriage (19) is the same with the cavity inner chamber diameter of casing (1), and the inside bottom of carriage (19) is provided with metal net rack (18), dust adsorbs net (9) and active carbon adsorbs net (12) and all coincide and place on metal net rack (18).

4. The construction site air quality detection device according to claim 3, wherein: handle (20) are still installed to the lateral surface intermediate position of arc picture peg (17), and arc picture peg (17) place side casing (1) back of the body side-mounting have the display screen, the display screen is through controller and dust concentration sensor (8), formaldehyde sensor (10) and TVOC sensor (11) electric connection installed in casing (1).

5. The construction site air quality detection device according to claim 1, wherein: fan (13) are installed in casing (1) the below of cavity inner chamber, and its inlet scoop stretches into the top of cavity inner chamber, and the air outlet is connected with out tuber pipe (14), and the mouth of pipe sets up and extends to on casing (1) side.

6. The construction site air quality detection device according to claim 1, wherein: the bottom connecting pipe (15) is further installed in the middle of the bottom end face of the machine shell (1), and internal threads are arranged inside the bottom connecting pipe (15).