CN218994851U

CN218994851U - Adjustable outdoor gas sampling machine

Info

Publication number: CN218994851U
Application number: CN202223372597.1U
Authority: CN
Inventors: 吴洋; 孙继波; 常鑫晨; 李燕
Original assignee: Shandong Guohuan Lihong Testing Co ltd
Current assignee: Shandong Guohuan Lihong Testing Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-09
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses an adjustable outdoor gas sampling machine, which comprises: the sampling mechanism comprises a shell, an air pump is fixedly arranged on the inner wall of the shell, a connecting pipe is communicated with the air outlet end of the air pump, a plurality of electromagnetic valves are communicated with one side of the connecting pipe, a pressure gauge is communicated with the electromagnetic valves, and a collecting tank is sleeved on the surface thread of the pressure gauge; the adjusting mechanism comprises a base body, a speed reducing motor is fixedly arranged at the bottom of an inner cavity of the base body, a screw rod is fixedly arranged on an output shaft of the speed reducing motor, and a threaded pipe is sleeved on the surface of the screw rod in a threaded manner. The utility model has the advantages of sampling multiunit gas, solved current adjustable outdoor gas sampling machine in the in-process of using, be inconvenient for the outdoor gas of extraction multiunit in different time slots, lead to the problem of outdoor gas's final testing result inaccuracy easily.

Description

Adjustable outdoor gas sampling machine

Technical Field

The utility model relates to the technical field of gas sampling, in particular to an adjustable outdoor gas sampling machine.

Background

Gas sampling is the process of collecting a sample of atmospheric contaminants or contaminated air. The acquisition method is divided into two types: one is to make a large amount of air pass through a liquid absorbent or a solid absorbent to enrich contaminants with low concentration in the atmosphere, such as an air extraction method and a filter membrane method. Another type is to collect air containing contaminants with a container. The former measures the average concentration of contaminants in the atmosphere over the sampling time; the latter measure the instantaneous concentration or the average concentration over a short period of time, the manner of sampling being dependent on the purpose of the sampling and the situation at hand, the sample being representative. The sampling efficiency is high, the operation is simple and convenient, and the subsequent analysis and determination are convenient, so that reliable basic data of gas pollution can be obtained.

The patent number CN113340680A discloses an outdoor air sampling device with adjustable height, relates to the environmental detection field, and it has mainly been solved when sampling outdoor air, needs to adjust different height after, uses the aspiration pump to bleed the sample, uses more consumer to cause extravagant problem.

In the using process of the existing adjustable outdoor gas sampling machine, a plurality of groups of outdoor gases are inconvenient to extract in different time periods, and the final detection result of the outdoor gases is easy to be inaccurate.

Disclosure of Invention

The utility model aims to provide an adjustable outdoor gas sampler, which has the advantage of sampling multiple groups of gases, and solves the problems that the conventional adjustable outdoor gas sampler is inconvenient to extract multiple groups of outdoor gases in different time periods in the use process, and the final detection result of the outdoor gases is inaccurate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an adjustable outdoor gas sampling machine, comprising:

the sampling mechanism comprises a shell, an air pump is fixedly arranged on the inner wall of the shell, a connecting pipe is communicated with the air outlet end of the air pump, a plurality of electromagnetic valves are communicated with one side of the connecting pipe, a pressure gauge is communicated with the electromagnetic valves, and a collecting tank is sleeved on the surface thread of the pressure gauge;

the adjusting mechanism comprises a seat body, a speed reducing motor is fixedly arranged at the bottom of an inner cavity of the seat body, a screw rod is fixedly arranged on an output shaft of the speed reducing motor, a threaded pipe is sleeved on the surface of the screw rod in a threaded manner, and a connecting rod is fixedly connected to the top of the threaded pipe;

the mounting bracket, mounting bracket fixed mounting is on sampling mechanism, the bottom of mounting bracket and adjustment mechanism's top fixed connection.

In order to facilitate a user to lift the sampling mechanism after disassembling the sampling mechanism, the adjustable outdoor gas sampling machine is preferable in the utility model, and a handle is fixedly arranged at the top of the sampling mechanism.

In order to facilitate control of the sampling mechanism and the adjusting mechanism, the adjustable outdoor gas sampling machine is preferable in the utility model, a controller is fixedly arranged at the top of the sampling mechanism, and a control button is arranged on the controller.

In order to facilitate the sampling of outdoor gas, as an adjustable outdoor gas sampling machine of the present utility model, the air inlet end of the air pump penetrates to the outer side of the shell and is communicated with a sampling bucket.

In order to facilitate the storage of the sampled gas, as an adjustable outdoor gas sampling machine of the present utility model, preferably, the connection pipe is fixedly installed on the inner wall of the housing, and the collection tank is provided with a control valve.

In order to facilitate the fixation of the bottom of the base, the adjustable outdoor gas sampling machine is preferable in the utility model, and the bottom of the base is fixedly connected with a base.

In order to limit the movable threaded pipe conveniently, the adjustable outdoor gas sampling machine is preferable in the utility model, wherein the surface of the threaded pipe is fixedly connected with a limiting block, the inner wall of the seat body is provided with a sliding groove, and the limiting block extends to the inner cavity of the sliding groove and is in sliding connection with the inner wall of the sliding groove.

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

1. the utility model can sample various gases in different time periods by arranging the sampling mechanism, wherein the sampling mechanism comprises an air pump, the air pump extracts outdoor gases through the sampling hopper and discharges the extracted gases into the connecting pipe, a controller opens a corresponding electromagnetic valve in the extracting process, the gases finally enter the collecting tank through the electromagnetic valve and the pressure gauge, the pressure gauge detects the pressure in the collecting tank, when the set pressure is reached, the controller closes the corresponding electromagnetic valve, when the other time period is reached, the controller continuously starts the air pump and opens the corresponding electromagnetic valve to sample a plurality of groups of outdoor gases, when the collecting tank is required to be taken out, the control valve on the collecting tank is closed to prevent the gases from leaking, and the collecting tank is taken out to detect the gases in the collecting tank.

2. According to the utility model, the height of the sampling mechanism can be adjusted by the adjusting mechanism, so that the sampling mechanism can sample outdoor gases with different heights, the adjusting mechanism comprises the gear motor, the output shaft of the gear motor drives the screw rod to rotate and can drive the threaded pipe to move, the limiting block is driven to slide on the inner wall of the sliding groove in the moving process of the threaded pipe, the threaded pipe can be limited to prevent the threaded pipe from rotating, the threaded pipe drives the connecting rod to move, and the connecting rod is connected with the sampling mechanism through the mounting frame to drive the sampling mechanism to move, so that the height of the sampling mechanism is adjusted.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a left side isometric view of the present utility model;

FIG. 3 is an exploded view of the sampling mechanism of the present utility model;

fig. 4 is a cross-sectional view of an adjustment mechanism of the present utility model.

In the figure: 1. a sampling mechanism; 101. a housing; 102. an electromagnetic valve; 103. a pressure gauge; 104. a collection tank; 105. a control valve; 106. a sampling bucket; 107. an air pump; 108. a connecting pipe; 2. an adjusting mechanism; 201. a base; 202. a screw rod; 203. a connecting rod; 204. a threaded tube; 205. a limiting block; 206. a speed reducing motor; 207. a base; 3. a mounting frame; 4. a controller; 5. a handle.

Detailed Description

Referring to fig. 1-4, an adjustable outdoor gas sampling machine, comprising:

the sampling mechanism 1, the sampling mechanism 1 comprises a shell 101, an air pump 107 is fixedly arranged on the inner wall of the shell 101, a connecting pipe 108 is communicated with the air outlet end of the air pump 107, one side of the connecting pipe 108 is communicated with a plurality of electromagnetic valves 102, the electromagnetic valves 102 are communicated with a pressure gauge 103, and a collection tank 104 is sleeved on the surface thread of the pressure gauge 103;

the adjusting mechanism 2 comprises a seat body 201, a speed reducing motor 206 is fixedly arranged at the bottom of an inner cavity of the seat body 201, a screw rod 202 is fixedly arranged on an output shaft of the speed reducing motor 206, a threaded pipe 204 is sleeved on the surface of the screw rod 202 in a threaded manner, and a connecting rod 203 is fixedly connected to the top of the threaded pipe 204;

the mounting bracket 3, mounting bracket 3 fixed mounting is on sampling mechanism 1, and the bottom of mounting bracket 3 and the top fixed connection of adjustment mechanism 2.

In this embodiment: through setting up sampling mechanism 1, can sample multiple gas in different time slots, sampling mechanism 1 includes air pump 107, air pump 107 draws outdoor gas through sampling hopper 106, and in the connecting pipe 108 is got into to the gaseous row of extraction, the in-process controller 4 of extraction opens corresponding solenoid valve 102, gas finally gets into in the collection tank 104 through solenoid valve 102, manometer 103, pressure inside collection tank 104 detects, after reaching the set pressure, controller 4 closes corresponding solenoid valve 102, when reaching another time slot and needing to sample outdoor gas, controller 4 continues to start air pump 107 and opens corresponding solenoid valve 102, sample multiunit outdoor gas, through setting up adjustment mechanism 2, adjustment mechanism 2 can be adjusted sampling mechanism 1's height, make sampling mechanism 1 can sample the outdoor gas of different height, adjustment mechanism 2 has included gear motor 206, gear motor 206's output shaft drives screw thread pipe 204 and moves, screw thread pipe 204 drives connecting rod 203 and move, connecting rod 203 is connected with sampling mechanism 1 through mounting bracket 3, drive mechanism 1 and move, carry out the height adjustment to sampling mechanism 1.

As a technical optimization scheme of the utility model, the top of the sampling mechanism 1 is fixedly provided with a handle 5.

In this embodiment: when the sampling mechanism 1 is disassembled, the sampling mechanism 1 is disassembled from the inside of the mounting frame 3, and after the disassembly is completed, the sampling mechanism 1 can be quickly lifted out through the handle 5.

As a technical optimization scheme of the utility model, the top of the sampling mechanism 1 is fixedly provided with a controller 4, and the controller 4 is provided with a control button.

In this embodiment: through setting up controller 4, can be convenient for control sampling mechanism 1 and adjustment mechanism 2, the control button who sets up on the controller 4 can be convenient for staff to controller 4 input control command.

As a technical optimization scheme of the utility model, the air inlet end of the air pump 107 penetrates to the outer side of the shell 101 and is communicated with the sampling bucket 106.

In this embodiment: the air pump 107 extracts outdoor air through the sampling hopper 106 and discharges the extracted air into the connecting pipe 108, and the air pump 107 can sample in a large area by arranging the sampling hopper 106.

As a technical optimization scheme of the utility model, a connecting pipe 108 is fixedly arranged on the inner wall of a shell 101, and a control valve 105 is arranged on a collecting tank 104.

In this embodiment: when the collection tank 104 needs to be taken out, the control valve 105 on the collection tank 104 is closed to prevent gas leakage, and the collection tank 104 is taken out to detect the gas inside.

As a technical optimization scheme of the present utility model, a base 207 is fixedly connected to the bottom of the base 201.

In this embodiment: the base 207 is provided at the bottom of the base 201, so that the base 201 can be easily installed and fixed.

As a technical optimization scheme of the utility model, a limiting block 205 is fixedly connected to the surface of a threaded pipe 204, a chute is formed in the inner wall of a seat 201, and the limiting block 205 extends to the inner cavity of the chute and is in sliding connection with the inner wall of the chute.

In this embodiment: the threaded pipe 204 moves the in-process drive stopper 205 at the inner wall slip of spout, can carry out spacing to the threaded pipe 204 and prevent its rotation.

Working principle:

when the device is used, the output shaft of the gear motor 206 drives the screw rod 202 to rotate, the threaded pipe 204 can be driven to move, the limiting block 205 is driven to slide on the inner wall of the chute in the process of moving the threaded pipe 204, the threaded pipe 204 can limit and prevent the threaded pipe 204 from rotating, the threaded pipe 204 drives the connecting rod 203 to move, the connecting rod 203 is connected with the sampling mechanism 1 through the mounting frame 3 to drive the sampling mechanism 1 to move, the height of the sampling mechanism 1 is adjusted, the air pump 107 extracts outdoor air through the connecting pipe 108 and discharges the extracted air into the connecting pipe 108, the corresponding electromagnetic valve 102 is opened by the controller 4 in the extracting process, the air finally enters the collecting tank 104 through the electromagnetic valve 102 and the pressure gauge 103, the pressure inside the collecting tank 104 is detected by the pressure gauge 103, after the set pressure is reached, the corresponding electromagnetic valve 102 is closed by the controller 4, when the other time period is reached, the outdoor air is required to be sampled, the controller 4 continues to start the air pump 107 and open the corresponding electromagnetic valve 102 to sample a plurality of groups of outdoor air, when the collecting tank 104 is required to be taken out, the control valve 105 on the collecting tank 104 is closed to prevent air leakage, and the gas inside the collecting tank 104 is taken out to be detected.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An adjustable outdoor gas sampling machine, comprising:

the sampling mechanism (1), sampling mechanism (1) includes casing (101), the inner wall fixed mounting of casing (101) has air pump (107), the end of giving vent to anger of air pump (107) communicates there is connecting pipe (108), one side intercommunication of connecting pipe (108) has a plurality of solenoid valves (102), and a plurality of communicate on solenoid valve (102) has manometer (103), the surface thread bush of manometer (103) is equipped with collection tank (104);

the adjusting mechanism (2) comprises a base body (201), a speed reducing motor (206) is fixedly arranged at the bottom of an inner cavity of the base body (201), a screw rod (202) is fixedly arranged on an output shaft of the speed reducing motor (206), a threaded pipe (204) is sleeved on the surface of the screw rod (202) in a threaded mode, and a connecting rod (203) is fixedly connected to the top of the threaded pipe (204);

the device comprises a mounting frame (3), wherein the mounting frame (3) is fixedly arranged on the sampling mechanism (1), and the bottom of the mounting frame (3) is fixedly connected with the top of the adjusting mechanism (2).

2. An adjustable outdoor gas sampling machine according to claim 1, wherein: the top of the sampling mechanism (1) is fixedly provided with a handle (5).

3. An adjustable outdoor gas sampling machine according to claim 1, wherein: the top of the sampling mechanism (1) is fixedly provided with a controller (4), and the controller (4) is provided with a control button.

4. An adjustable outdoor gas sampling machine according to claim 1, wherein: the air inlet end of the air pump (107) penetrates to the outer side of the shell (101) and is communicated with a sampling bucket (106).

5. An adjustable outdoor gas sampling machine according to claim 1, wherein: the connecting pipe (108) is fixedly arranged on the inner wall of the shell (101), and the collecting tank (104) is provided with a control valve (105).

6. An adjustable outdoor gas sampling machine according to claim 1, wherein: the bottom of the seat body (201) is fixedly connected with a base (207).

7. An adjustable outdoor gas sampling machine according to claim 1, wherein: the surface of the threaded pipe (204) is fixedly connected with a limiting block (205), a sliding groove is formed in the inner wall of the seat body (201), and the limiting block (205) extends to the inner cavity of the sliding groove and is in sliding connection with the inner wall of the sliding groove.