CN212159248U - Automatic calibrating device for atmospheric sampler - Google Patents
Automatic calibrating device for atmospheric sampler Download PDFInfo
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- CN212159248U CN212159248U CN202021016000.8U CN202021016000U CN212159248U CN 212159248 U CN212159248 U CN 212159248U CN 202021016000 U CN202021016000 U CN 202021016000U CN 212159248 U CN212159248 U CN 212159248U
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- calibrating device
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Abstract
The utility model discloses an automatic calibrating device for an atmospheric sampler, which comprises a soap film flowmeter arranged side by side with the atmospheric sampler, wherein the atmospheric sampler and the soap film flowmeter are respectively communicated with an air inlet pipeline, the two air inlet pipelines are respectively communicated with one ends of two air chambers, the two air chambers have the same size and shape, two air pushing plates are respectively arranged in the two air chambers, the two air pushing plates are respectively connected with an air pushing rod, the two air pushing rods are both connected with a horizontal moving block, the horizontal moving block is provided with a threaded hole, the threaded hole is in threaded connection with a screw rod, and one end of the screw rod is connected with a motor; the utility model has the advantages that: simple structure, low cost, convenient use and more suitability for field environment.
Description
Technical Field
The utility model relates to an atmosphere sample thief, specifically speaking are automatic calibrating installation of atmosphere sample thief belongs to the atmosphere sample thief field.
Background
An atmospheric sampler collects atmospheric contaminants or contaminated atmospheric instruments or devices. There are many types of atmospheric samplers. The device can be divided into a gas (including steam) sampler and a particle sampler according to a collection object; the sampler can be divided into an environment sampler, an indoor sampler (such as a sampler used in a factory workshop) and a pollution source sampler (such as a chimney sampler) according to the using place. 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. At present, the calibration of the atmospheric sampler is carried out manually, the manual operation error is large due to the fact that a stopwatch is manually pressed and atmospheric pressure values, pre-meter pressure values and temperature values are manually read, data mainly depend on manual calculation, the calibration efficiency is low, the calibration accuracy is difficult to guarantee, meanwhile, the working efficiency is not high, and no calibration device for a micro-flow atmospheric sampler flowmeter with the flow of 0.1-1.5L/min is provided at present. The utility model discloses a china utility model patent that is named as "an automatic calibrating installation of atmospheric sampling ware" application number is "CN 201820273819.9" discloses an automatic calibrating installation of atmospheric sampling ware belongs to atmospheric sampling ware check out test set field, including air supply, soap film generator and human-computer interaction device, be provided with the pressure monitor between air supply and the atmospheric sampling ware sample, the atmospheric sampling ware sample with be provided with information collector between the soap film generator, the atmospheric sampling ware sample with be provided with the temperature monitor between the human-computer interaction device, the air supply comprises gas pitcher casing, pressure display and pull out plug-in formula check valve, the pressure display sets up the middle part of gas pitcher casing. Although the device has small volume and is convenient for field use, the device has complex structure and high cost and is convenient and inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses an automatic calibrating installation of atmospheric sampling ware, simple structure, it is with low costs, convenient to use more can adapt to open-air environment.
The technical scheme of the utility model is that:
an automatic calibrating device of an air sampler comprises a soap film flowmeter arranged in parallel with the air sampler, the air sampler and the soap film flowmeter are respectively communicated with an air inlet pipeline, the two air inlet pipelines are respectively communicated with one end of two air chambers, the two air chambers have the same 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 a horizontal moving block, the horizontal moving block is provided with a threaded hole which is in threaded connection with a screw rod, one end of the screw rod is in transmission connection with a motor, the screw rod is driven to rotate through the rotation of the motor, the rotating screw rod enables the horizontal moving block to realize horizontal movement, the movement of the horizontal moving block drives the air pushing plates in the two air chambers to move through the air pushing rods, therefore, the atmospheric sampler can be verified by comparing the values of the flow meter of the atmospheric sampler and the soap film flow meter.
The two air inlet pipelines are the same in size and equal in length.
Furthermore, pressure sensors are arranged at the air outlet ends of the air sampler and the soap film flowmeter and are used for detecting air pressure.
Furthermore, temperature sensors are arranged at the air inlet ends of the air sampler and the soap film flowmeter and used for detecting the air inlet temperature.
Furthermore, two the air chambers are respectively provided with a vent valve, and the vent valves are opened after the verification is finished, so that the air pushing plate is reset.
Furthermore, the size of the gas pushing plate is matched with the inner section of the air chamber, and the periphery of the gas pushing plate is provided with the sealing rings, so that the sealing effect is improved.
Furthermore, the motor is a forward and reverse rotating motor and is provided with a speed reducing mechanism to realize speed regulation.
Furthermore, the air sampler and the soap film flowmeter are both provided with flow display modules for displaying the flow.
When the device is used, the screw rod is driven to rotate through positive and negative rotation of the motor, the horizontal moving block is horizontally moved through the rotating screw rod, the air pushing plates in the two air chambers are driven to move through the air pushing rods in the moving process of the horizontal moving block, and the air sampler is verified by comparing the numerical values of the flow meter of the air sampler and the soap film flow meter.
The utility model has the advantages that: simple structure, low cost, convenient use and more suitability for field environment.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a top view of an automatic calibrating apparatus for an atmospheric sampler according to an embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 1, an automatic calibrating device for an atmosphere sampler comprises a soap film flowmeter 2 arranged side by side with an atmosphere sampler 1, wherein the atmosphere sampler 1 and the soap film flowmeter 2 are respectively communicated with an air inlet pipeline 3, the two air inlet pipelines 3 are respectively communicated with one end of two air chambers 4, the two air chambers 4 have the same size and shape, air pushing plates 5 are respectively arranged in the two air chambers 4, the two air pushing plates 5 are respectively connected with air pushing rods 6, the two air pushing rods 6 are both connected with a horizontal moving block 7, the horizontal moving block 7 is provided with a threaded hole 8, the threaded hole 8 is in threaded connection with a screw 9, one end of the screw 9 is in transmission connection with a motor 10, the screw is driven to rotate by the rotation of the motor, the rotating screw enables the horizontal moving block to horizontally move, the movement of the horizontal moving block drives the air pushing plates in the two air chambers to move by the air pushing rods, therefore, the atmospheric sampler can be verified by comparing the values of the flow meter of the atmospheric sampler and the soap film flow meter.
The two air inlet pipelines 3 are the same in size and equal in length.
And pressure sensors are arranged at the air outlet ends of the air sampler 1 and the soap film flowmeter 2 and are used for detecting air pressure.
And temperature sensors are arranged at the air inlet ends of the air sampler 1 and the soap film flowmeter 2 and are used for detecting the air inlet temperature.
And two air chambers 4 are respectively provided with a vent valve, and the vent valves are opened after the detection is finished, so that the air pushing plates are reset.
The size of the gas pushing plate 5 is matched with the inner section of the gas chamber 4, and the periphery of the gas pushing plate is provided with the sealing ring, so that the sealing effect is improved.
The motor 10 is a forward and reverse rotating motor and is provided with a speed reducing mechanism to realize speed regulation.
The air sampler 1 and the soap film flowmeter 2 are both provided with flow display modules for displaying flow.
When the device is used, the screw rod is driven to rotate through positive and negative rotation of the motor, the horizontal moving block is horizontally moved through the rotating screw rod, the air pushing plates in the two air chambers are driven to move through the air pushing rods in the moving process of the horizontal moving block, and the air sampler is verified by comparing the numerical values of the flow meter of the air sampler and the soap film flow meter.
Claims (7)
1. The utility model provides an automatic calibrating installation of atmospheric sampling ware which characterized in that: the soap film flow meter is arranged side by side with the air sampler, the air sampler and the soap film flow meter 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, the horizontal moving blocks are provided with threaded holes, the threaded holes are in threaded connection with screw rods, and one ends of the screw rods are connected with a motor in a transmission mode.
2. The automatic calibrating device for the air sampler according to claim 1, characterized in that: the two air inlet pipelines have the same size and the same length.
3. The automatic calibrating device for the air sampler according to claim 1, characterized in that: and pressure sensors are arranged at the air outlet ends of the air sampler and the soap film flowmeter.
4. The automatic calibrating device for the air sampler according to claim 1, characterized in that: and temperature sensors are arranged at the air inlet ends of the air sampler and the soap film flowmeter.
5. The automatic calibrating device for the air sampler according to claim 1, characterized in that: and two air chambers are respectively provided with a vent valve.
6. The automatic calibrating device for the air sampler according to claim 1, characterized in that: the size of the gas pushing plate is matched with the inner section of the gas chamber, and sealing rings are arranged around the gas pushing plate.
7. The automatic calibrating device for the air sampler according to claim 1, characterized in that: the motor is a positive and negative rotation motor and is provided with a speed reducing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016000.8U CN212159248U (en) | 2020-06-05 | 2020-06-05 | Automatic calibrating device for atmospheric sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016000.8U CN212159248U (en) | 2020-06-05 | 2020-06-05 | Automatic calibrating device for atmospheric sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212159248U true CN212159248U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021016000.8U Active CN212159248U (en) | 2020-06-05 | 2020-06-05 | Automatic calibrating device for atmospheric sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212159248U (en) |
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2020
- 2020-06-05 CN CN202021016000.8U patent/CN212159248U/en active Active
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