CN216816616U

CN216816616U - High-sensitivity air pollutant concentration detector

Info

Publication number: CN216816616U
Application number: CN202123353063.XU
Authority: CN
Inventors: 王志远; 郑章珂; 晏伟; 郑俊旦; 王灵玉; 郝德凤; 郑晨; 汪斌
Original assignee: Zhejiang Dadi Testing Technology Co ltd
Current assignee: Zhejiang Dadi Testing Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-24
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of environmental detection, and discloses a high-sensitivity air pollutant concentration detector which comprises a main box body, an upper cover and an air pollutant concentration detector, wherein a control panel is arranged inside the main box body, a hose placing groove and a clamping groove are formed in the main box body, a winding rod is rotatably connected inside the hose placing groove, an inner cavity is formed in the upper end of the winding rod, a detection head is arranged at the tail end of a hose, an air inlet pipe is connected to the left air inlet end of the air pollutant concentration detector, a fan is arranged inside the main box body, and a first check valve and a second check valve are respectively arranged on the air inlet pipe and the air inlet end pipeline of the fan. Through setting up the hose and detecting the head, can carry out diversified detection, it is comparatively simple and convenient, when detecting, can control the switching of fan to the switching of first check valve of control and second check valve makes the inside inclosed space that forms of pipeline, is convenient for detect, reduces detection error.

Description

High-sensitivity air pollutant concentration detector

Technical Field

The utility model relates to the technical field of environmental detection, in particular to a high-sensitivity air pollutant concentration detector.

Background

Along with the development of economy and the improvement of living quality, more and more people begin to pay attention to health and environmental protection, and especially after new home decoration is good, besides basic measures such as ventilation and the placement of formaldehyde plants and carbon bags, a plurality of people can also adopt an air pollutant concentration detector to comprehensively detect the air quality condition, so that the health of pregnant women, children, old people and family personnel is comprehensively protected.

However, the existing air pollutant concentration detector is heavy, when a plurality of places are required for detection, the detection range is limited during detection, the whole detector is often required to be carried, the detection is inconvenient, the existing detector cannot form a closed detection space during detection, the detection result has errors, and the sensitivity is low. Accordingly, those skilled in the art have provided a highly sensitive air contaminant concentration detector to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-sensitivity air pollutant concentration detector to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-sensitivity air pollutant concentration detector comprises a main box body, an upper cover and an air pollutant concentration detector, wherein the main box body and the upper cover are hinged with each other, the air pollutant concentration detector is positioned in the main box body, a control panel is arranged in the main box body, a hose placing groove and a clamping groove are formed in the main box body, the hose placing groove and the clamping groove are communicated with each other, a winding rod is rotatably connected in the hose placing groove, an inner cavity is formed in the upper end of the winding rod and penetrates through the side wall of the winding rod, a hose is connected to the outer surface of the winding rod, the hose and the inner cavity are communicated with each other, a detection head is arranged at the tail end of the hose, an air inlet pipe is connected to the left air inlet end of the air pollutant concentration detector, and the left end of the air inlet pipe extends into the inner cavity, the internally mounted of the main tank body has a fan, the inlet end of the fan with the end of giving vent to anger of air pollutant concentration detector communicates each other, the end of giving vent to anger of fan is connected with the outlet duct, just the outlet duct extends to the outside of main tank body, the intake pipe with the inlet end pipeline of fan is provided with first check valve and second check valve respectively.

As a still further scheme of the utility model: detect the head and include inner bag and ventilative coating, just ventilative coating with the mutual rigid coupling of end of hose, the surperficial equidistance of ventilative coating is provided with the bleeder vent.

As a still further scheme of the utility model: the surface of the winding rod is provided with a positioning groove, and the specification of the positioning groove is matched with the thickness specification of the hose.

As a still further scheme of the utility model: the lower extreme of winding pole runs through the lower lateral wall of hose standing groove and extends to the inside of the main tank body, the surface of winding pole lower extreme rigid coupling has clockwork spring and chuck respectively, just clockwork spring's the other end rigid coupling in the inside of the main tank body, the ejector pad standing groove has been seted up to the upper surface of the main tank body, the inside sliding connection of ejector pad standing groove has the ejector pad, just the right lower extreme of ejector pad with the recess on chuck surface matches each other.

As a still further scheme of the utility model: the two side walls of the clamping groove are symmetrically provided with elastic pieces, the bottom of the clamping groove is in an arc surface arrangement, and the detection head is in sliding clamping connection between the bottom of the clamping groove and the two elastic pieces.

As a still further scheme of the utility model: the left end surface of the air inlet pipe is sleeved with a sealing ring, and the outer side wall of the sealing ring is abutted to the inner side wall of the inner cavity.

As a still further scheme of the utility model: the opening direction of the first check valve and the second check valve faces the right.

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

1. through setting up the hose and detecting the head, can carry out diversified detection, and do not need the haulage equipment whole, it is comparatively simple and convenient, can control the winding pole through clockwork spring's setting in addition and reset by oneself, avoid artificially with the hose around roll up to the constant head tank in, use manpower sparingly.

2. When detecting, can control the switching of fan to the switching of first check valve of control and second check valve makes the inside inclosed space that forms of pipeline, and the gas that waits to detect can constantly stay inside the pipeline, and the detection of being convenient for reduces detection error.

Drawings

FIG. 1 is a schematic diagram of a high sensitivity detector for detecting air contaminant concentration;

FIG. 2 is a schematic diagram of the internal structure of a high sensitivity air contaminant concentration detector;

FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 1;

FIG. 4 is a schematic view of the structure in the direction B-B in FIG. 1;

FIG. 5 is an enlarged view at C of FIG. 2;

fig. 6 is a schematic view of the internal structure of the detection head.

In the figure: 1. a main box body; 2. an upper cover; 3. an air pollutant concentration detector; 4. a control panel; 5. a winding rod; 6. positioning a groove; 7. a hose; 8. a detection head; 81. an inner container; 82. a breathable coating layer; 91. a hose placement groove; 92. a card slot; 10. an air inlet pipe; 11. a fan; 12. an air outlet pipe; 13. a seal ring; 14. a first check valve; 15. a second one-way valve; 16. an elastic sheet; 17. a clockwork spring; 18. a chuck; 19. a push block placing groove; 20. a push block; 21. an inner cavity.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, a high-sensitivity air pollutant concentration detector includes a main box 1, an upper cover 2 and an air pollutant concentration detector 3, the main box 1 and the upper cover 2 are hinged to each other, the air pollutant concentration detector 3 is located inside the main box 1, a control panel 4 is disposed inside the main box 1, a hose placing groove 91 and a clamping groove 92 are disposed inside the main box 1, the hose placing groove 91 and the clamping groove 92 are communicated with each other, a winding rod 5 is rotatably connected inside the hose placing groove 91, an inner cavity 21 is disposed inside an upper end of the winding rod 5, the inner cavity 21 penetrates through a side wall of the winding rod 5, a hose 7 is connected to an outer surface of the winding rod 5, the hose 7 and the inner cavity 21 are communicated with each other, a detection head 8 is disposed at a tail end of the hose 7, and an air inlet pipe 10 is connected to a left air inlet end of the air pollutant concentration detector 3, and the left end of intake pipe 10 extends to the inside of inner chamber 21, and the internally mounted of main tank 1 has fan 11, and the inlet end of fan 11 and the end of giving vent to anger of air pollutant concentration detector 3 communicate each other, and the end of giving vent to anger of fan 11 is connected with outlet duct 12, and outlet duct 12 extends to the outside of main tank 1, and the inlet end pipeline of intake pipe 10 and fan 11 is provided with first check valve 14 and second check valve 15 respectively.

Preferably, detect head 8 and include inner bag 81 and ventilative coating 82, and the end mutual rigid coupling of ventilative coating 82 and hose 7, the surperficial equidistance of ventilative coating 82 is provided with the bleeder vent, absorbs tiny particulate matter and moisture in the environment through inner bag 81, and the gas that detects can see through the bleeder vent on ventilative coating 82 surface and enter into hose 7 in to be detected.

Preferably, the constant head tank 6 has been seted up on winding pole 5's surface, and the thickness specification of the specification of constant head tank 6 and hose 7 matches each other, restricts hose 7 through constant head tank 6 for twine hose 7 in the constant head tank 6 on winding pole 5's surface, and guarantee that hose 7 can not appear indiscriminate winding phenomenon.

Preferably, the lower extreme of winding pole 5 runs through the lower lateral wall of hose standing groove 91 and extends to the inside of the main tank body 1, the surface of winding pole 5 lower extreme rigid coupling has clockwork spring 17 and chuck 18 respectively, and clockwork spring 17's the other end rigid coupling in the inside of main tank body 1, ejector pad standing groove 19 has been seted up to the upper surface of main tank body 1, ejector pad sliding connection has ejector pad 20 to ejector pad standing groove 19, and the recess on ejector pad 20's the right lower extreme and chuck 18 surface matches each other, be used for fixing winding pole 5, utilize clockwork spring 17 to make winding pole 5 antiport fast simultaneously, make winding pole 5 reset, thereby wind hose 7 inside the constant head tank 6 on winding pole 5 surface.

Preferably, the two side walls of the clamping groove 92 are symmetrically provided with the elastic pieces 16, the bottom of the clamping groove 92 is formed into an arc surface, and the detection head 8 is slidably clamped between the bottom of the clamping groove 92 and the two elastic pieces 16 and used for fixing the detection head 8.

Preferably, the left end surface of intake pipe 10 has cup jointed sealing washer 13, and the lateral wall of sealing washer 13 offsets with the inside wall of inner chamber 21, guarantees the leakproofness between intake pipe 10 and the inner chamber 21 for the gas that detects does not reveal.

Preferably, the opening direction of the first check valve 14 and the second check valve 15 faces to the right, so that after the fan 11 is closed, the gas to be detected can stay inside the pipeline, and a closed space is formed inside the pipeline, so that the gas is detected by the air pollutant concentration detector 3.

The working principle of the utility model is as follows: when detecting the concentration of pollutants in the air, the whole device needs to be placed in an area to be detected, the push block 20 is pushed, the lower right end of the push block 20 is not clamped in a groove on the surface of the chuck 18, the detection head 8 is taken out from the position between the push block placing groove 19 and the elastic sheet 16, the detection head 8 is pulled, the hose 7 is rolled out from the inside of the positioning groove 6, at the moment, the winding rod 5 rotates under the tension of the hose 7, the clockwork spring 17 bears the elastic force, after the detection head 8 is moved to the area to be detected, the push block 20 is pushed, the lower right end of the push block 20 is clamped in the groove on the surface of the chuck 18, the winding rod 5 is fixed, the fan 11 and the air pollutant concentration detector 3 are started through the control panel 4, the gas in the environment is sucked through the detection head 8, and tiny particles and moisture in the environment are filtered by the inner container 81, ensuring that dry gas enters the hose 7, closing the fan 11 after the initial gas is discharged through the gas outlet pipe 12, resetting the first one-way valve 14 and the second one-way valve 15 at the moment, sealing the gas in the pipeline, detecting through the air pollutant concentration detector 3, moving the position of the detection head 8 after the detection is finished, detecting again to obtain the average pollutant concentration in the environment, closing the fan 11 and the air pollutant concentration detector 3 after the detection is finished, shifting the push block 20 leftwards to ensure that the right lower end of the push block 20 is not clamped at the groove on the surface of the chuck 18, rotating the winding rod 5 reversely under the elasticity of the spring 17 at the moment, winding the hose 7 into the positioning groove 6 on the surface of the winding rod 5, and finally clamping the detection head 8 between the elastic sheet 16 and the clamping groove 92 for fixing, and finally, covering the upper cover 2 on the surface of the main box body 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a high sensitivity air contaminant concentration detector, includes main tank body (1), upper cover (2) and air contaminant concentration detector (3), main tank body (1) and upper cover (2) are articulated each other, air contaminant concentration detector (3) are located the inside of main tank body (1), its characterized in that: the air purifier is characterized in that a control panel (4) is arranged inside the main box body (1), a hose placing groove (91) and a clamping groove (92) are formed in the main box body (1), the hose placing groove (91) and the clamping groove (92) are communicated with each other, a winding rod (5) is rotatably connected inside the hose placing groove (91), an inner cavity (21) is formed in the upper end of the winding rod (5), the inner cavity (21) penetrates through the side wall of the winding rod (5), a hose (7) is connected to the outer surface of the winding rod (5), the hose (7) and the inner cavity (21) are communicated with each other, a detection head (8) is arranged at the tail end of the hose (7), an air inlet end on the left side of the air pollutant concentration detector (3) is connected with an air inlet pipe (10), and the left end of the air inlet pipe (10) extends into the inner cavity (21), the internally mounted of the main tank body (1) has a fan (11), the inlet end of the fan (11) with the end of giving vent to anger of air pollutant concentration detector (3) communicates each other, the end of giving vent to anger of fan (11) is connected with outlet duct (12), just outlet duct (12) extend to the outside of the main tank body (1), intake pipe (10) with the inlet end pipeline of fan (11) is provided with first check valve (14) and second check valve (15) respectively.

2. A high sensitivity air contaminant concentration detector according to claim 1, wherein: detect head (8) including inner bag (81) and ventilative coating (82), just ventilative coating (82) with the terminal mutual rigid coupling of hose (7), the surperficial equidistance of ventilative coating (82) is provided with the bleeder vent.

3. A high sensitivity air pollutant concentration detector according to claim 1, wherein: the surface of the winding rod (5) is provided with a positioning groove (6), and the specification of the positioning groove (6) is matched with the hose (7).

4. A high sensitivity air pollutant concentration detector according to claim 1, wherein: the lower extreme of winding pole (5) runs through the lower lateral wall of hose standing groove (91) and extends to the inside of the main tank body (1), the surface of winding pole (5) lower extreme rigid coupling respectively has clockwork spring (17) and chuck (18), just the other end rigid coupling of clockwork spring (17) in the inside of the main tank body (1), ejector pad standing groove (19) has been seted up to the upper surface of the main tank body (1), the inside sliding connection of ejector pad standing groove (19) has ejector pad (20), just the right lower extreme of ejector pad (20) with the recess on chuck (18) surface matches each other.

5. A high sensitivity air contaminant concentration detector according to claim 1, wherein: the two side walls of the clamping groove (92) are symmetrically provided with elastic pieces (16), the bottom of the clamping groove (92) is arranged in an arc surface mode, and the detection head (8) is connected between the bottom of the clamping groove (92) and the two elastic pieces (16) in a sliding and clamping mode.

6. A high sensitivity air contaminant concentration detector according to claim 1, wherein: the left end surface of intake pipe (10) has cup jointed sealing washer (13), the lateral wall of sealing washer (13) with the inside wall of inner chamber (21) offsets.

7. A high sensitivity air pollutant concentration detector according to claim 1, wherein: the opening direction of the first check valve (14) and the second check valve (15) faces to the right.