CN216926237U

CN216926237U - Automatic calibrating device for atmospheric sampler

Info

Publication number: CN216926237U
Application number: CN202220282422.2U
Authority: CN
Inventors: 凌博; 吴晶; 陈文豪; 刘文伟
Original assignee: Chizhou Measurement And Test Institute
Current assignee: Chizhou Measurement And Test Institute
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-08
Anticipated expiration: 2032-02-11

Abstract

The utility model provides an automatic calibrating device for an atmosphere sampler, which relates to the technical field of atmosphere calibrating devices and comprises a base, wherein a gas pushing rod is fixedly arranged on the surface of one end of a gas pushing plate, a stabilizing assembly is arranged at one end of the gas pushing rod, the stabilizing assembly comprises a moving block and a roller mounting plate, a lead screw sleeve is fixedly arranged in the middle of the moving block, a first gas inlet pipeline and a second gas inlet pipeline are fixedly arranged at one end of a gas chamber, the atmosphere sampler is arranged at one end of the first gas inlet pipeline, and a soap film flowmeter is arranged at one end of the second gas inlet pipeline. In the moving block moving process, the roller is driven to move in the groove through the roller mounting pin, so that the stability of the moving block in moving is ensured, the moving block is stable in moving and is not influenced by the rotation of the lead screw, and the gas pushing plate cannot rotate in the gas chamber, so that the abrasion between the gas pushing plate and the gas chamber is reduced, and the normal and stable operation of verification work is ensured.

Description

Automatic calibrating device for atmospheric sampler

Technical Field

The utility model relates to the technical field of atmosphere calibrating devices, in particular to an automatic calibrating device for an atmosphere sampler.

Background

With the development of environmental protection work, atmosphere can be regularly checked, and atmosphere pollution conditions are known mainly through the cooperation of an atmosphere sampler and a soap film flowmeter. The atmosphere sampler has a plurality of types, and can be divided into a gas sampler and a particulate matter sampler according to a collection object. Can be divided into an environment sampler, an indoor sampler and a pollution source sampler according to the using places. In addition, the sampler also has special purpose, like a sampler for simultaneously collecting gas and particles, can collect sulfur dioxide and particles or hydrogen fluoride and particles in the atmosphere, and is convenient for researching the mutual relation of sulfur or fluorine in gaseous and solid substances. The conventional calibrating device for the atmospheric sampler mainly comprises a soap film flowmeter, an air pushing plate and an air chamber, wherein the air pushing plate and the air chamber are responsible for an air inlet link, and the soap film flowmeter is matched with the atmospheric sampler to finish the calibrating process of atmospheric parameters.

The automatic calibrating device for the atmosphere sampler comprises a soap film flowmeter arranged side by side with the atmosphere sampler, wherein the atmosphere sampler and the soap film flowmeter are respectively communicated with air inlet pipelines, the two air inlet pipelines are respectively communicated with one ends of two air chambers, the two air chambers are the same in size and shape, air pushing plates are respectively arranged in the two air chambers, the two air pushing plates are respectively connected with air pushing rods, the two air pushing rods are both connected with horizontal moving blocks, each horizontal moving block is provided with a threaded hole, the threaded holes are in threaded connection with a screw rod, and one end of the screw rod is in transmission connection with a motor;

however, the problems that the horizontal moving block is lack of a stable structure for the horizontal moving block in the moving process, the horizontal moving block is easy to rotate under the driving force of the screw rod when moving, the air pushing plate rotates in the air chamber, the air pushing plate and the air chamber are abraded for a long time, and the verification effect is affected are often encountered in the using process of the technical scheme, and therefore the automatic verification device for the atmospheric sampler is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an automatic calibrating device for an atmospheric sampler, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an automatic calibrating device of an atmospheric sampler comprises a base, wherein a plurality of supporting columns are fixedly arranged on the upper surface of the base, the upper surface of one of the support columns is fixedly provided with a cylindrical air chamber, an air pushing plate is arranged in the air chamber in a sliding manner, the surface of one end of the gas pushing plate is fixedly provided with gas pushing rods, the two gas pushing rods are symmetrical with the center of the gas pushing plate, one end of the air pushing rod is provided with a stabilizing component, the stabilizing component comprises a moving block and a roller mounting plate, a screw rod sleeve is fixedly arranged in the middle of the moving block, one end of the roller mounting plate is fixedly connected with the air chamber, a first air inlet pipeline and a second air inlet pipeline are fixedly arranged at one end of the air chamber, an atmosphere sampler is arranged at one end of the first air inlet pipeline, and a soap film flowmeter is installed at one end of the second air inlet pipeline, and the lower end of the soap film flowmeter is fixedly connected with the support column.

Preferably, the lower end of the base is provided with a plurality of movable wheels, and the upper surface of one of the support columns is fixedly provided with a motor support plate.

Preferably, a micro motor is fixedly mounted on the upper surface of the motor supporting plate, a screw rod is fixedly mounted at the output end of the micro motor, and a screw rod sleeve is mounted on the screw rod.

Preferably, one end of each of the two air pushing rods is fixedly connected with the moving block, a connecting rod is fixedly mounted on the outer side of the moving block, and the two connecting rods are symmetrical with the center of the moving block.

Preferably, one end of each of the two connecting rods is fixedly provided with a roller mounting pin, and one end of each of the two roller mounting pins rotates to mount a roller.

Preferably, the outer surface of the roller is in rolling connection with the bottom wall of the groove, the groove is formed in the roller mounting plates, and the two roller mounting plates are symmetrical with the center of the moving block.

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

according to the utility model, in the moving process of the moving block, the two connecting rods can be driven to move, the roller is driven to move in the groove through the roller mounting pin, so that the stability of the moving block in moving is ensured, the moving block is stable in moving and is not influenced by the rotation of the lead screw, and the gas pushing plate cannot rotate in the gas chamber, so that the abrasion between the gas pushing plate and the gas chamber is reduced, and the normal and stable operation of the verification work is ensured; the micro motor rotates forward and backward to drive the lead screw, the moving block is horizontally moved by the aid of the rotating lead screw through movement of the lead screw sleeve, the moving block moves through the air pushing rod to drive the air pushing plate to move, gas enters the atmosphere sampler and the soap film flowmeter through the first air inlet pipeline and the second air inlet pipeline, and the atmosphere sampler is verified through the flowmeter of the atmosphere sampler and the soap film flowmeter.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automatic calibrating apparatus for an air sampler according to the present invention;

FIG. 2 is an enlarged schematic view of the automatic calibrating apparatus for an air sampler at a position a according to the present invention;

FIG. 3 is a schematic structural diagram of a stabilizing assembly of an automatic calibrating apparatus for an air sampler according to the present invention;

fig. 4 is an enlarged structural schematic diagram at the position b of the automatic calibrating device for the air sampler.

In the figure: 1. a base; 2. a support pillar; 3. an air chamber; 4. a gas pushing plate; 5. a gas pushing rod; 6. a stabilizing assembly; 601. a moving block; 602. a connecting rod; 603. a roller mounting plate; 604. a groove; 605. a roller; 606. mounting a pin on the roller; 7. a first air intake duct; 8. a second air intake duct; 9. an atmospheric sampler; 10. a soap film flow meter; 11. a motor support plate; 12. a micro motor; 13. a screw rod; 14. the screw rod is sleeved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 4, an automatic calibrating apparatus for an atmospheric sampler comprises a base 1, a plurality of supporting columns 2 are fixedly installed on the upper surface of the base 1, an air chamber 3 is fixedly installed on the upper surface of one of the supporting columns 2, the air chamber 3 is cylindrical, an air pushing plate 4 is slidably installed inside the air chamber 3, an air pushing rod 5 is fixedly installed on the surface of one end of the air pushing plate 4, two air pushing rods 5 are symmetrical with the center of the air pushing plate 4, a stabilizing component 6 is arranged at one end of the air pushing rod 5, the stabilizing component 6 comprises a moving block 601 and a roller mounting plate 603, a lead screw sleeve 14 is fixedly installed in the middle of the moving block 601, one end of the roller mounting plate 603 is fixedly connected with the air chamber 3, a first air inlet pipe 7 and a second air inlet pipe 8 are fixedly installed at one end of the air chamber 3, an atmospheric sampler 9 is installed at one end of the first air inlet pipe 7, and a soap film flowmeter 10 is installed at one end of the second air inlet pipe 8, the lower end of the soap film flowmeter 10 is fixedly connected with the support column 2.

In this application, the lower extreme of base 1 sets up a plurality of and removes the wheel, and the last fixed surface of one of them support column 2 installs motor support plate 11. The upper surface of the motor supporting plate 11 is fixedly provided with a micro motor 12, the output end of the micro motor 12 is fixedly provided with a screw rod 13, and the screw rod 13 is provided with a screw rod sleeve 14.

It should be noted that, first, the air outlet ends of the air sampler 9 and the soap film flowmeter 10 are both provided with a pressure sensor for detecting air pressure, and the air inlet ends of the air sampler 9 and the soap film flowmeter 10 are both provided with a temperature sensor for detecting air inlet temperature. The outside of the air chamber 3 is provided with a vent valve, the vent valve is opened after the verification is completed to reset the air pushing plate 4, the size of the air pushing plate 4 is matched with the inner section of the air chamber 3, the periphery of the air pushing plate 4 is provided with a sealing ring, the sealing effect is improved, the micro motor 12 is a forward and reverse rotating motor and is provided with a speed reducing mechanism, and the speed regulation is realized. The air sampler 9 and the soap film flowmeter 10 are both provided with flow display modules for displaying flow, and it should be explained that the micro motor 12 is electrically connected with the plc control board by adopting the prior art, and the model is selected and matched according to the use environment.

In the present application, one end of each of the two push rods 5 is fixedly connected to the moving block 601, the connecting rods 602 are fixedly mounted on the outer side of the moving block 601, and the two connecting rods 602 are symmetrical with the center of the moving block 601. One end of each of the two connecting rods 602 is fixedly provided with a roller mounting pin 606, and one end of each of the two roller mounting pins 606 rotates to mount a roller 605. The outer surface of the roller 605 is in rolling connection with the bottom wall of the groove 604, the groove 604 is opened inside the roller mounting plates 603, and the two roller mounting plates 603 are symmetrical about the center of the moving block 601.

It should be noted that, in the moving process of the moving block 601, the two connecting rods 602 are driven to move, the roller 605 is driven to move in the groove 604 through the roller mounting pin 606, so as to ensure the stability of the moving block 601 when moving, the moving block 601 moves stably without being influenced by the rotation of the lead screw 13, and further the air pushing plate 4 cannot rotate in the air chamber 3, so that the abrasion between the air pushing plate 4 and the air chamber 3 is reduced, and it needs to be explained that the roller 605 can be made of plastic, so as to reduce the noise when the roller 605 moves.

The working principle of the automatic calibrating device for the atmospheric sampler comprises the following steps:

when in use, the screw rod 13 is driven to rotate by the positive and negative rotation of the micro motor 12, the moving block 601 is driven to horizontally move by the rotating screw rod 13 through the movement of the screw rod sleeve 14, the gas pushing plate 4 is driven to move by the movement of the moving block 601 through the gas pushing rod 5, the gas enters the atmosphere sampler 9 and the soap film flowmeter 10 through the first gas inlet pipeline 7 and the second gas inlet pipeline 8, the atmosphere sampler is verified through the flow meter of the atmosphere sampler 9 and the soap film flow meter 10, in the process of moving the moving block 601, the two connecting rods 602 are driven to move, the roller 605 is driven to move in the groove 604 through the roller mounting pin 606, is used for ensuring the stability when the moving block 601 moves, the moving block 601 moves stably and is not influenced by the rotation of the screw rod 13, and then make gas pushing plate 4 can not rotate in air chamber 3 inside to reduce the wearing and tearing of gas pushing plate 4 and air chamber 3, guarantee the normal steady operation of examination work.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic calibrating installation of atmospheric sampling ware, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly provided with a plurality of supporting columns (2), one of the supporting columns (2) is fixedly provided with an air chamber (3), the air chamber (3) is cylindrical, an air pushing plate (4) is slidably arranged in the air chamber (3), one end of the air pushing plate (4) is fixedly provided with an air pushing rod (5), the two air pushing rods (5) are symmetrical with the center of the air pushing plate (4), one end of the air pushing rod (5) is provided with a stabilizing component (6), the stabilizing component (6) comprises a moving block (601) and a roller mounting plate (603), the middle of the moving block (601) is fixedly provided with a lead screw sleeve (14), one end of the roller mounting plate (603) is fixedly connected with the air chamber (3), one end of the air chamber (3) is fixedly provided with a first air inlet pipeline (7) and a second air inlet pipeline (8), atmospheric sampling ware (9) are installed to the one end of first admission line (7), soap film flowmeter (10) are installed to the one end of second admission line (8), the lower extreme and support column (2) fixed connection of soap film flowmeter (10).

2. The automatic calibrating device for the air sampler according to claim 1, characterized in that: the lower extreme of base (1) sets up a plurality of and removes the wheel, one of them the last fixed surface of support column (2) installs motor support board (11).

3. The automatic calibrating device for the air sampler according to claim 2, characterized in that: the upper surface fixed mounting of motor backup pad (11) has micro motor (12), the output fixed mounting of micro motor (12) has lead screw (13), install lead screw cover (14) on lead screw (13).

4. The automatic calibrating device for the air sampler as claimed in claim 1, characterized in that: one end of each of the two gas pushing rods (5) is fixedly connected with a moving block (601), a connecting rod (602) is fixedly mounted on the outer side of the moving block (601), and the two connecting rods (602) are symmetrical with the center of the moving block (601).

5. The automatic calibrating device for the air sampler according to claim 4, characterized in that: and one end of each of the two connecting rods (602) is fixedly provided with a roller mounting pin (606), and one end of each of the two roller mounting pins (606) is rotatably provided with a roller (605).

6. The automatic calibrating device for the air sampler according to claim 5, characterized in that: the outer surface of the roller (605) is in rolling connection with the bottom wall of the groove (604), the groove (604) is formed in the roller mounting plates (603), and the two roller mounting plates (603) are symmetrical with the center of the moving block (601).