CN213633340U

CN213633340U - Gas quantitative detection device for indoor air

Info

Publication number: CN213633340U
Application number: CN202022410671.9U
Authority: CN
Inventors: 霍海生
Original assignee: Yangquan Lvying Environmental Protection Technology Co ltd
Current assignee: Yangquan Lvying Environmental Protection Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-06
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a gas quantitative detection device for indoor air relates to the empty gas detection and surveys technical field, specifically is a gas quantitative detection device for indoor air, the power distribution box comprises a box body, the top of box is provided with the air inlet, the first solenoid valve of bottom fixedly connected with of air inlet, the bottom fixedly connected with ration exhaust tube of first solenoid valve, the right side fixedly connected with second solenoid valve of ration exhaust tube, the bottom fixedly connected with gas-supply pipe of second solenoid valve. This gas quantitative determination device for indoor air through setting up quantitative exhaust tube, utilizes servo motor to drive the threaded rod and rotates, makes the piston move down along the threaded rod, inhales the inside of first solenoid valve with the gas that awaits measuring, detects the distance that the piston descends by displacement sensor again, and convenient accurate extraction quantitative gas has improved the accuracy of gas sampling.

Description

Gas quantitative detection device for indoor air

Technical Field

The utility model relates to an empty gas detection surveys technical field, specifically is a gaseous quantitative determination device for indoor air.

Background

The gas detector is an instrument tool for detecting gas leakage concentration, which comprises: portable gas detectors, hand-held gas detectors, stationary gas detectors, online gas detectors, and the like. Gas sensors are used to detect the types of gases present in the environment, gas sensors are sensors used to detect the composition and content of gases.

The existing gas detector directly detects gas components in the air, cannot extract gas with a certain volume to perform quantitative analysis, detection results are not accurate enough, meanwhile, the existing detection device has gas residues in the detection device after detection is completed, the residual gas can affect the next detection, in addition, the existing detection device is easy to damage when the existing detection device accidentally drops to the ground, and therefore the indoor gas quantitative detection device is provided.

Disclosure of Invention

Not enough to prior art, the utility model provides a gas quantitative determination device for indoor air has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a gas quantitative detection device for indoor air, includes the box, the top of box is provided with the air inlet, the first solenoid valve of bottom fixedly connected with of air inlet, the bottom fixedly connected with ration exhaust tube of first solenoid valve, the right side fixedly connected with second solenoid valve of ration exhaust tube, the bottom fixedly connected with gas-supply pipe of second solenoid valve, the bottom fixedly connected with of gas-supply pipe detects the chamber, detect the right side fixedly connected with third solenoid valve in chamber, the right side fixedly connected with exhaust tube of third solenoid valve, the bottom fixedly connected with micro vacuum pump of exhaust tube, micro vacuum pump's right side fixedly connected with blast pipe, the outside fixed mounting of box has the angle of collision prevention.

Optionally, the quantitative exhaust tube is movably mounted inside with a piston, a threaded rod is sleeved on the middle of the piston in a threaded manner, a servo motor is fixedly connected to the bottom of the threaded rod, a limiting rod is sleeved on the piston in an internal movable manner, and two ends of the limiting rod are fixedly mounted inside the first electromagnetic valve.

Optionally, a displacement sensor is fixedly mounted at the bottom of the quantitative exhaust tube, and the top of the displacement sensor extends into the box body.

Optionally, the top of the detection cavity is fixedly connected with a detection controller, the detection controller is fixedly installed inside the box body, and the detection controller is respectively electrically connected with the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve.

Optionally, a control panel is arranged on the front face of the box body, the control panel is electrically connected with the detection controller, and a handle is fixedly connected to the top of the box body.

Optionally, the anti-collision angle is located at a corner of the box body, the anti-collision angle comprises a protective shell, the protective shell is located on the outermost side of the anti-collision angle, a buffering air bag is arranged on the inner side of the anti-collision angle, a buffering cushion is arranged on the inner side of the buffering air bag, and the buffering cushion is fixedly connected with the box body.

The utility model provides a gas quantitative determination device for indoor air possesses following beneficial effect:

1. this gas quantitative determination device is used to room air, through setting up the quantitative exhaust tube, utilize servo motor to drive the threaded rod and rotate, make the piston move down along the threaded rod, the inside of the gaseous suction first solenoid valve that will await measuring, detect the distance that the piston descends by displacement sensor again, convenient accurate extraction quantitative gas, the accuracy of gaseous sample has been improved, through setting up micro vacuum pump, gaseous detection accomplishes the back, it utilizes micro vacuum pump to take out quantitative exhaust tube and the air that detects intracavity portion to close first solenoid valve, then with the second solenoid valve, the third solenoid valve is closed, make quantitative exhaust tube and the inside that detects the chamber be in the vacuum state, it causes the influence to the detection of next time to avoid having the air to remain, the convenience detects the gas of difference.

2. This gas quantitative detection device for room air sets up the anticollision angle through the outside at the box, when the box dropped subaerially, utilizes the inside buffer air bag and the blotter in anticollision angle to carry out the energy-absorbing protection, avoids the box directly to receive the striking and damage, has protected the safety of box, and through setting up the handle, detection device's small in size, the user can be carried the handle and drive the box and remove, conveniently carries the box.

Drawings

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

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

FIG. 3 is a schematic structural view of the quantitative air suction pipe of the present invention;

fig. 4 is a schematic structural view of the anti-collision angle of the present invention.

In the figure: 1. a box body; 2. an air inlet; 3. a first solenoid valve; 4. a quantitative air exhaust pipe; 5. a piston; 6. a threaded rod; 7. a servo motor; 8. a limiting rod; 9. a displacement sensor; 10. a second solenoid valve; 11. a gas delivery pipe; 12. a detection chamber; 13. a detection controller; 14. a third electromagnetic valve; 15. an air exhaust pipe; 16. a micro vacuum pump; 17. an exhaust pipe; 18. a control panel; 19. a handle; 20. an anti-collision angle; 201. a protective shell; 202. a buffer air bag; 203. a cushion pad.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a quantitative detection device for indoor air, which comprises a box body 1, wherein an air inlet 2 is arranged at the top of the box body 1, a first electromagnetic valve 3 is fixedly connected to the bottom of the air inlet 2, a quantitative exhaust tube 4 is fixedly connected to the bottom of the first electromagnetic valve 3, a piston 5 is movably arranged in the quantitative exhaust tube 4, a threaded rod 6 is sleeved on a middle thread of the piston 5, a servo motor 7 is fixedly connected to the bottom of the threaded rod 6, the quantitative exhaust tube 4 is arranged, the threaded rod 6 is driven to rotate by the servo motor 7, the piston 5 moves downwards along the threaded rod 6, to-be-detected air is sucked into the first electromagnetic valve 3, the descending distance of the piston 5 is detected by a displacement sensor 9, quantitative air is conveniently and accurately extracted, the accuracy of air sampling is improved, a limiting rod 8 is sleeved on the inner part of the piston 5, and a displacement sensor 9 is fixedly arranged at the, the top of the displacement sensor 9 extends to the inside of the box body 1, two ends of the limiting rod 8 are fixedly arranged inside the first electromagnetic valve 3, the right side of the quantitative air pumping pipe 4 is fixedly connected with the second electromagnetic valve 10, the bottom of the second electromagnetic valve 10 is fixedly connected with the air conveying pipe 11, the bottom end of the air conveying pipe 11 is fixedly connected with the detection cavity 12, the top of the detection cavity 12 is fixedly connected with the detection controller 13, the detection controller 13 is fixedly arranged inside the box body 1, the detection controller 13 is respectively and electrically connected with the first electromagnetic valve 3, the second electromagnetic valve 10 and the third electromagnetic valve 14, the right side of the detection cavity 12 is fixedly connected with the third electromagnetic valve 14, the right side of the third electromagnetic valve 14 is fixedly connected with the air pumping pipe 15, the bottom of the air pumping pipe 15 is fixedly connected with the micro vacuum pump 16, after the gas detection is finished by arranging the micro vacuum pump 16, the first electromagnetic valve 3 is closed, and the air inside, then the second electromagnetic valve 10 and the third electromagnetic valve 14 are closed to make the insides of the quantitative exhaust tube 4 and the detection cavity 12 in a vacuum state, so as to avoid the influence of air residue on the next detection and facilitate the detection of different gases, the right side of the micro vacuum pump 16 is fixedly connected with an exhaust tube 17, the front side of the box body 1 is provided with a control panel 18, the control panel 18 is electrically connected with a detection controller 13, the top of the box body 1 is fixedly connected with a handle 19, by arranging the handle 19, the detection device has a small volume, a user can lift the handle 19 to drive the box body 1 to move and facilitate the carrying of the box body 1, the exterior of the box body 1 is fixedly provided with an anti-collision angle 20, the anti-collision angle 20 is positioned at the corner of the box body 1, the anti-collision angle 20 comprises a protective shell 201, the protective shell 201 is positioned at the outermost side of the anti-collision, the inside of buffering gasbag 202 is provided with blotter 203, and blotter 203 is in the same place with box 1 fixed connection, through setting up crashproof angle 20 in the outside of box 1, when box 1 dropped subaerially, utilizes the inside buffering gasbag 202 and the buffering pad 203 of crashproof angle 20 to carry out the energy-absorbing protection, avoids box 1 directly to receive the striking and damage, has protected box 1's safety.

In summary, when the gas quantitative detection device for indoor air is used, the first electromagnetic valve 3 is opened, the servo motor 7 drives the threaded rod 6 to rotate, the piston 5 moves downwards to take in gas, when a set value is reached, the displacement sensor 9 transmits a signal to the detection controller 13 to control the first electromagnetic valve 3 to be closed, then the second electromagnetic valve 10 is opened, the servo motor 7 rotates reversely, the piston 5 extrudes the gas into the detection cavity 12 for quantitative detection, after the detection is finished, the third electromagnetic valve 14 and the micro vacuum pump 16 are opened to extract the gas in the detection cavity 12, and finally the third electromagnetic valve 14 and the extraction pipe 15 are closed.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gas quantitative determination device for indoor air, includes the box, its characterized in that: the top of box is provided with the air inlet, the first solenoid valve of bottom fixedly connected with of air inlet, the bottom fixedly connected with ration exhaust tube of first solenoid valve, the right side fixedly connected with second solenoid valve of ration exhaust tube, the bottom fixedly connected with gas-supply pipe of second solenoid valve, the bottom fixedly connected with of gas-supply pipe detects the chamber, detect the right side fixedly connected with third solenoid valve in chamber, the right side fixedly connected with exhaust tube of third solenoid valve, the bottom fixedly connected with micro vacuum pump of exhaust tube, micro vacuum pump's right side fixedly connected with blast pipe, the outside fixed mounting of box has the crashproof angle.

2. The apparatus for quantitatively detecting a gas for indoor air as claimed in claim 1, wherein: the quantitative exhaust tube is characterized in that a piston is movably mounted inside the quantitative exhaust tube, a threaded rod is sleeved on the middle of the piston in a threaded mode, a servo motor is fixedly connected to the bottom of the threaded rod, a limiting rod is sleeved on the piston in an internal movable mode, and two ends of the limiting rod are fixedly mounted inside the first electromagnetic valve.

3. The apparatus for quantitatively detecting a gas for indoor air as claimed in claim 1, wherein: the bottom of the quantitative exhaust tube is fixedly provided with a displacement sensor, and the top of the displacement sensor extends to the inside of the box body.

4. The apparatus for quantitatively detecting a gas for indoor air as claimed in claim 1, wherein: the top fixedly connected with that detects the chamber detects the controller, detect controller fixed mounting in the inside of box, it is respectively in first solenoid valve, second solenoid valve, third solenoid valve electric connection to detect the controller.

5. The apparatus for quantitatively detecting a gas for indoor air as claimed in claim 1, wherein: the front of box is provided with control panel, control panel and detection controller electric connection, the top fixedly connected with handle of box.

6. The apparatus for quantitatively detecting a gas for indoor air as claimed in claim 1, wherein: the anti-collision angle is located the corner of box, the anti-collision angle is including the protecting crust, the protecting crust is located the outside of anti-collision angle, the inboard of anti-collision angle is provided with the buffering gasbag, the inboard of buffering gasbag is provided with the blotter, blotter and box fixed connection.