CN214749612U

CN214749612U - Particulate matter concentration tester

Info

Publication number: CN214749612U
Application number: CN202120878341.4U
Authority: CN
Inventors: 李威; 杨明星; 陈志恒; 闫凯迪
Original assignee: Zhengzhou Huapu Environmental Engineering Co ltd
Current assignee: Zhengzhou Huapu Environmental Engineering Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-16
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a particulate matter concentration tester, which comprises a box body and a tester body; the left side swing joint of box front end has the chamber door, the left side front end of chamber door is equipped with the first in command, the rear side middle part of box inner chamber is fixed with the fixed plate, the tester body is installed to the upside of fixed plate, the air inlet department of tester body upper end is equipped with the air intake pump, the inside intake pipe that is equipped with in upper end of box, the equidistance is equipped with a plurality of heating pipe in the lateral wall of intake pipe, the gas outlet of intake pipe and the air inlet intercommunication of air intake pump, the air inlet cover has been cup jointed to the upper end side of intake pipe, the inside one-way solenoid valve of second that is equipped with in upper end of intake pipe, the right side bottom of box inner chamber is equipped with the rose box, and this particulate matter concentration tester can avoid moisture in the air to cause the testing result influence, the testing result degree of accuracy is higher, it is more convenient to use.

Description

Particulate matter concentration tester

Technical Field

The utility model relates to an ambient air detects technical field, specifically is a particulate matter concentration tester.

Background

Along with the continuous development of industry, human living environment constantly suffers destruction, and wherein the air pollution situation is serious, and the condition that haze weather appears is also more and more, because contain multiple particulate matter in the air, some like fine particulate matter of multiple particle sizes such as PM10, PM2.5, TSP all can get into the human body through human respiratory, and this is very big to human harm, therefore relevant departments pay attention to the on-line measuring to air quality very much. At present, the concentration of particulate matters contained in air is generally detected by a laser scattering method directly for a collected sample, once the humidity of the air is high, the moisture in the air can be condensed with the particulate matters in the air, so that the concentration of the particulate matters measured by the laser scattering method is larger than an actual value, and the detection result is inaccurate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a particulate matter concentration tester, can avoid moisture in the air to cause influence, the testing result degree of accuracy is higher, it is more convenient to use to the testing result, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a particulate matter concentration tester comprises a box body and a tester body; the left side edge of the front end of the box body is movably connected with a box door, the left side end of the box door is provided with a first handle, the middle part of the rear side of the inner cavity of the box body is fixed with a fixed plate, the upper side of the fixed plate is provided with a tester body, an air inlet pump is arranged at an air inlet at the upper end of the tester body, an air inlet pipe is arranged inside the upper end of the box body, a plurality of heating pipes are arranged in the side wall of the air inlet pipe at equal intervals, an air outlet of the air inlet pipe is communicated with an air inlet of the air inlet pump, an air inlet cover is sleeved on the side surface of the upper end of the air inlet pipe, a second one-way electromagnetic valve is arranged inside the upper end of the air inlet pipe, a filter box is arranged at the right bottom end of the inner cavity of the box body, a cover plate is arranged at the front side of the filter box, an exhaust pipe is arranged at the right bottom end of the box body, a first one-way electromagnetic valve is arranged inside the exhaust pipe, and the left end of the exhaust pipe penetrates through the inner cavity of the box body to be communicated with the filter box body, an air suction pump is arranged at the bottom side of the fixing plate, an air inlet of the air suction pump is communicated with the inner cavity of the tester body, an air delivery pipe is arranged at an air outlet of the air suction pump, and an air outlet of the air delivery pipe is communicated with the inner cavity of the filter box;

wherein: the left side upper end of chamber door is equipped with control panel, last display and the control switch group of being equipped with of control panel, the pump that admits air is through admitting air cover and intake pipe and is carried the tester originally internally with the outside air, the result that detects through the tester body is realistic on the display, through setting up the one-way solenoid valve of second, prevent detecting the time measuring to detecting the granule thing, the outside air gets into the tester originally internally through the intake pipe, when carrying the air through the intake pipe, through setting up the heating pipe, treat and detect moisture in the air and heat, moisture in the air has been avoided causing the influence to the testing result, thereby the degree of accuracy that detects has been improved, moreover, the steam generator is simple in structure, high durability and convenient use.

Further, the rear side middle part of box is equipped with the exhaust tube, the air inlet of exhaust tube and the inner chamber intercommunication of tester body, the inside third one-way solenoid valve that is equipped with in rear end of exhaust tube, before the particulate matter detection in the air, through setting up exhaust tube and third one-way solenoid valve, can be to this internal remaining air escape of tester, guaranteed the degree of accuracy of test result.

Further, the upper and lower both sides at rose box inner chamber middle part are equipped with the slide rail respectively, the spout has been seted up at the middle part of slide rail, sliding connection has the filter in the spout, the inside fourth one-way solenoid valve that is equipped with of gas transmission pipe, through setting up the filter, the convenience is filtered the test back combustion gas, through setting up slide rail and spout, is convenient for change and install the filter, through setting up fourth one-way solenoid valve, can prevent to get into the air of rose box through the gas-supply pipe reflux tester originally internal, has improved the accuracy to particulate matter test in the air.

Furthermore, the left side of box is equipped with the second handle, the bottom side of box is equipped with the landing leg respectively all around, the bottom of landing leg rotates respectively and is connected with the universal wheel, through setting up second handle, landing leg and universal wheel, has improved the portability of removal.

Compared with the prior art, the beneficial effects of the utility model are that: this particulate matter concentration tester has following benefit:

1. the pump admits air carries the tester this internally through admitting air cover and intake pipe with the outside air, the result that detects through the tester body is realistic on the display, through setting up the one-way solenoid valve of second, prevent when detecting the granule thing, the outside air gets into this internal through the intake pipe tester, carry the time through the intake pipe to the air, through setting up the heating pipe, treat to detect the moisture in the air and heat, the moisture in the air of having avoided causing the influence to the testing result, thereby the degree of accuracy of detection has been improved, moreover, the steam generator is simple in structure, and the steam generator is convenient to use.

2. Before detecting the particulate matter in the air, through setting up exhaust tube and third one-way solenoid valve, can guarantee the degree of accuracy of test result to this internal remaining air escape of tester, through setting up second handle, landing leg and universal wheel, improved the portability of removal.

3. Through setting up the filter, the convenience is filtered the test back combustion gas, through setting up slide rail and spout, is convenient for change and install the filter, through setting up fourth one-way solenoid valve, can prevent to get into the air of rose box through the gas-supply pipe reflux tester originally internal, has improved the accuracy to particulate matter test in the air.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side schematic view of the present invention;

FIG. 3 is a schematic front side sectional view of the present invention;

fig. 4 is a schematic view of the local enlarged structure at a position of the present invention.

In the figure: the air-suction type air-suction testing device comprises a box body 1, a fixing plate 2, a tester body 3, an air inlet pipe 4, an air outlet pipe 5, a first one-way electromagnetic valve 6, a filter box 7, an air suction pump 8, an air delivery pipe 9, an air inlet pump 10, an air inlet cover 11, a second one-way electromagnetic valve 12, a box door 13, a first handle 14, a control panel 15, a display 16, a control switch group 17, an air suction pipe 18, a third one-way electromagnetic valve 19, a second handle 20, supporting legs 21, universal wheels 22, a heating pipe 23, a sliding rail 24, a sliding chute 25, a filter plate 26 and a fourth one-way electromagnetic valve 27.

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.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a particulate matter concentration tester comprises a box body 1 and a tester body 3; a box door 13 is movably connected to the left side edge of the front end of the box body 1, a first handle 14 is arranged at the front end of the left side of the box door 13, a fixed plate 2 is fixed in the middle of the rear side of an inner cavity of the box body 1, a tester body 3 is installed on the upper side of the fixed plate 2, an air inlet pump 10 is arranged at an air inlet of the upper end of the tester body 3, an air inlet pipe 4 is arranged inside the upper end of the box body 1, a plurality of heating pipes 23 are equidistantly arranged in the side wall of the air inlet pipe 4, an air outlet of the air inlet pipe 4 is communicated with an air inlet of the air inlet pump 10, an air inlet cover 11 is sleeved on the side surface of the upper end of the air inlet pipe 4, a second one-way electromagnetic valve 12 is arranged inside the upper end of the air inlet pipe 4, a filter box 7 is arranged at the bottom end of the right side of the inner cavity of the box body 1, a cover plate is installed at the front side of the filter box 7, an exhaust pipe 5 is arranged at the bottom end of the right side of the box body 1, a first one-way electromagnetic valve 6 is arranged inside the exhaust pipe 5 passing through the inner cavity of the box body 1 and communicated with the filter box 7, an air suction pump 8 is arranged at the bottom side of the fixed plate 2, an air inlet of the air suction pump 8 is communicated with an inner cavity of the tester body 3, an air delivery pipe 9 is arranged at an air outlet of the air suction pump 8, an air outlet of the air delivery pipe 9 is communicated with an inner cavity of the filter box 7, an air suction pipe 18 is arranged in the middle of the rear side of the box body 1, an air inlet of the air suction pipe 18 is communicated with the inner cavity of the tester body 3, a third one-way electromagnetic valve 19 is arranged in the rear end of the air suction pipe 18, residual air in the tester body 3 can be discharged by arranging the air suction pipe 18 and the third one-way electromagnetic valve 19 before detecting particulate matters in the air, the accuracy of a test result is ensured, slide rails 24 are respectively arranged on the upper side and the lower side of the middle of the inner cavity of the filter box 7, a slide groove 25 is arranged in the middle of the slide rail 24, a filter plate 26 is slidably connected in the slide groove 25, a fourth one-way electromagnetic valve 27 is arranged in the air delivery pipe 9, by arranging the filter plate 26, the gas discharged after the test is conveniently filtered, the filter plate 26 is conveniently replaced and installed by arranging the sliding rail 24 and the sliding groove 25, the fourth one-way electromagnetic valve 27 can prevent the air entering the filter box 7 from flowing back into the tester body 3 through the air delivery pipe 9, the accuracy of testing particulate matters in the air is improved, the second handle 20 is arranged on the left side of the box body 1, the supporting legs 21 are respectively arranged on the periphery of the bottom side of the box body 1, the bottom ends of the supporting legs 21 are respectively and rotatably connected with the universal wheels 22, and the portability of the movement is improved by arranging the second handle 20, the supporting legs 21 and the universal wheels 22;

wherein: the left side upper end of chamber door 13 is equipped with control panel 15, be equipped with display 16 and control switch group 17 on control panel 15, air inlet pump 10 is through admitting air cover 11 and intake pipe 4 with outside air transport in the tester body 3, the result that detects through tester body 3 is realistic on display 16, through setting up second one-way solenoid valve 12, prevent when detecting the granule thing, outside air gets into tester body 3 through intake pipe 4 in, when carrying the air through intake pipe 4, through setting up heating pipe 23, treat to detect the moisture in the air and heat, moisture in the air has been avoided causing the influence to the testing result, thereby the degree of accuracy that detects has been improved, moreover, the steam generator is simple in structure, high durability and convenient use.

When in use: before detecting particulate matters in air, residual air in the tester body 3 can be discharged by arranging the exhaust pipe 18 and the third one-way electromagnetic valve 19, the accuracy of a test result is ensured, the air inlet pump 10 conveys external air into the tester body 3 through the air inlet cover 11 and the air inlet pipe 4, the result detected by the tester body 3 is realized on the display 16, the second one-way electromagnetic valve 12 is arranged, the situation that the external air enters the tester body 3 through the air inlet pipe 4 during the detection of the particulate matters is prevented, when the air is conveyed through the air inlet pipe 4, the water in the air to be detected is heated by arranging the heating pipe 23, the influence of the moisture in the air on the detection result is avoided, the detection accuracy is improved, the structure is simple, the use is convenient, and the filtering of the gas discharged after the test is convenient by arranging the filter plate 26, through setting up slide rail 24 and spout 25, be convenient for change and install the filter 26, through setting up fourth one-way solenoid valve 27, can prevent that the air that gets into rose box 7 from flowing back to tester body 3 in through gas-supply pipe 9, improved the accuracy to particulate matter test in the air.

It should be noted that the control switch group 17 disclosed in the present embodiment controls the first one-way solenoid valve 6, the second one-way solenoid valve 12, the third one-way solenoid valve 19 and the fourth one-way solenoid valve 27 to operate by a method commonly used in the art.

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 a particulate matter concentration tester, includes box and tester body, its characterized in that: the left side edge of the front end of the box body is movably connected with a box door, the left side end of the box door is provided with a first handle, the middle part of the rear side of the inner cavity of the box body is fixed with a fixed plate, the upper side of the fixed plate is provided with a tester body, an air inlet pump is arranged at an air inlet at the upper end of the tester body, an air inlet pipe is arranged inside the upper end of the box body, a plurality of heating pipes are arranged in the side wall of the air inlet pipe at equal intervals, an air outlet of the air inlet pipe is communicated with an air inlet of the air inlet pump, an air inlet cover is sleeved on the side surface of the upper end of the air inlet pipe, a second one-way electromagnetic valve is arranged inside the upper end of the air inlet pipe, a filter box is arranged at the right bottom end of the inner cavity of the box body, a cover plate is arranged at the front side of the filter box, an exhaust pipe is arranged at the right bottom end of the box body, a first one-way electromagnetic valve is arranged inside the exhaust pipe, and the left end of the exhaust pipe penetrates through the inner cavity of the box body to be communicated with the filter box body, an air suction pump is arranged at the bottom side of the fixing plate, an air inlet of the air suction pump is communicated with the inner cavity of the tester body, an air delivery pipe is arranged at an air outlet of the air suction pump, and an air outlet of the air delivery pipe is communicated with the inner cavity of the filter box;

wherein: the upper end of the left side of the box door is provided with a control panel, and the control panel is provided with a display and a control switch group.

2. The particulate matter concentration tester according to claim 1, wherein: an exhaust pipe is arranged in the middle of the rear side of the box body, an air inlet of the exhaust pipe is communicated with an inner cavity of the tester body, and a third one-way electromagnetic valve is arranged inside the rear end of the exhaust pipe.

3. The particulate matter concentration tester according to claim 1, wherein: the upper side and the lower side of the middle part of the inner cavity of the filter box are respectively provided with a slide rail, the middle part of the slide rail is provided with a slide groove, a filter plate is connected in the slide groove in a sliding mode, and a fourth one-way electromagnetic valve is arranged in the gas transmission pipe.

4. The particulate matter concentration tester according to claim 1, wherein: the left side of the box body is provided with a second handle, the periphery of the bottom side of the box body is provided with supporting legs respectively, and the bottom ends of the supporting legs are connected with universal wheels in a rotating mode respectively.