CN210923607U - Automatic multi-gas quantitative configuration system for gas analysis - Google Patents
Automatic multi-gas quantitative configuration system for gas analysis Download PDFInfo
- Publication number
- CN210923607U CN210923607U CN201920815436.4U CN201920815436U CN210923607U CN 210923607 U CN210923607 U CN 210923607U CN 201920815436 U CN201920815436 U CN 201920815436U CN 210923607 U CN210923607 U CN 210923607U
- Authority
- CN
- China
- Prior art keywords
- gas
- control host
- controls
- data acquisition
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to an automatic multiple gas ration configuration system for gas analysis, include: the device comprises a data display module (1), a control host (2), a data acquisition sensor (3), a flow controller (6), a heating system (4), a sealing cavity (8), a vacuumizing system (5) and an air source pressure stabilizing system (7). The control host (2) controls the flow controller (6) to adjust the output flow of each path of gas according to the real-time gas concentration measured by the data acquisition sensor (3); the control host (2) controls the heating system (4) to adjust the gas temperature according to the real-time gas temperature measured by the data acquisition sensor (3); the control host (2) controls the vacuum-pumping system (5) according to the real-time gas pressure measured by the data acquisition sensor (3), adjusts the non-sensitive gas to be filled, and controls the gas pressure in the sealed cavity (8). The utility model discloses can be according to the required gas concentration of multiple gas analysis, temperature, atmospheric pressure isoparametric, construct the required specific detection environment of multiple gas analysis automatically, possess characteristics such as swift, accurate, safety, satisfy multiple gas analysis's demand.
Description
Technical Field
The utility model relates to a gas analysis technical field, especially multiple gas analysis's device and system can be applied to the automatic ratio of mist and detect, can be applied to the laboratory specific condition mist and detect, the monitoring of environmental gas, fields such as chemical industry, petroleum gas monitoring.
Background
Gas analysis is an analysis method for measuring the composition of a mixed gas by utilizing the difference in physical and chemical properties of various gases. The precondition for carrying out gas analysis is that a stable gas environment to be analyzed needs to be constructed, a sample is taken from the stable gas environment to be analyzed, and the required gas environment is constructed, generally requiring concentration configuration, pressure configuration, temperature configuration and the like. The gas environment is required to have technical attributes of low concentration, high precision, stability and the like.
For mixed gas detection under specific conditions, relevant data of gas is detected or relevant experiments are carried out under the condition of specific temperature, gas pressure and gas proportion, and no specific instrument is designed for the perfect design of a gas configuration system at present. In the prior art, a required gas detection environment is generally constructed in a manual mode or a semi-automatic mode, but both methods have the defects and limitations, and are specifically described as follows:
(1) the manual mode is generally to realize the gas environment construction according to corresponding parameter manual control gas ratio valve, and whole construction process is complicated, and is inefficient, and the error is great, especially involves poisonous gas or corrosive gas, has very big safety risk.
(2) The semi-automatic mode is to use program control valve and gas flow parameter to automatically mix multiple gases according to specific ratio. The technology only controls the gas proportion through a specific program, is generally applied to industrial gas dynamic mixing due to the lack of a real-time monitoring and feedback mechanism aiming at the gas analysis environment, and is difficult to match the technical requirements of the gas analysis field on low concentration, high precision, stability and the like of the gas environment.
The two methods have complicated steps and limited achievement effect, can not be adjusted in real time according to the existing detection environment, and can not automatically and quickly adjust the parameters such as temperature, concentration, air pressure and the like when the parameters are required to be adjusted in real time according to various gas components. In summary, there is a need for a gas environment construction system for a gas analyzer, which can regulate and control the required detection environment in real time according to various gas components, quickly, accurately and safely construct the gas environment required for gas analysis, and meet the requirements of gas analysis.
SUMMERY OF THE UTILITY MODEL
In view of this, the to-be-solved problem of the present invention is to provide a gas environment construction system capable of automatically and immediately adjusting parameters such as temperature, gas pressure and concentration according to specific multiple gas detection environments, and quickly, accurately and safely constructing the gas environment required by gas analysis, and satisfying the gas analysis requirement, so as to solve the technical problems existing in the prior art.
The technical solution of the utility model is that, an automatic multiple gas ration configuration system for gas analysis is provided, include:
the data display module is used for receiving the gas analysis result and displaying the gas analysis result on the data display module;
the gas source pressure stabilizing system outputs gas with specific air pressure;
the control host machine is used for controlling the gas flow, realizing the concentration ratio of the gas to be detected and analyzing the collected data of the gas to be detected;
the data acquisition sensor is used for acquiring the temperature of the gas to be detected, and the components and the concentration of the gas to be detected;
a flow controller that adjusts an output flow rate of the gas;
the heating system is used for maintaining the temperature of the gas to be measured;
the sealed cavity is used for detecting the gas to be detected;
the vacuumizing system is used for adjusting the air pressure of the gas to be measured;
the sealed cavity is communicated with the air source pressure stabilizing system, the data acquisition sensor, the flow controller, the heating system and the vacuumizing system; the control host controls the flow controller to regulate the output flow of the gas according to the real-time gas concentration measured by the data acquisition sensor; the control host controls the heating system to adjust the gas temperature in the sealed cavity according to the real-time gas temperature measured by the data acquisition sensor; the control host controls the vacuum-pumping system according to the real-time gas pressure measured by the data acquisition sensor, adjusts and fills non-sensitive gas, and controls the gas pressure in the sealing cavity.
Furthermore, the data display module is a capacitive display screen, a resistive display screen, a liquid crystal display screen or a touch screen.
Further, the air source pressure stabilizing system comprises an air source, a pressure regulating valve and an electromagnetic valve.
Further, the gas source pressure stabilizing system is connected with the flow controller and the control host, the flow controller controls the gas source pressure stabilizing system to enable the gas source pressure stabilizing system to regulate the output flow of gas, and the control host controls the electromagnetic valve to realize the concentration ratio of the gas to be detected.
Further, the data acquisition sensor comprises at least one of a temperature sensor, a gas pressure sensor and a gas detection sensor.
Furthermore, the data acquisition sensor is connected with the control host and the sealed cavity, and the data acquisition sensor outputs a sensor detection result to the control host.
Furthermore, the data transmission mode of the data acquisition sensor outputting the sensor detection result to the control host is one of wired connection and wireless connection.
Further, the vacuum-pumping system comprises a vacuum-pumping pump and an electromagnetic valve.
Further, the vacuum pumping system is connected with the control host, and the control host controls the electromagnetic valve so that the vacuum pumping pump can adjust the air pressure of the gas to be detected in the sealed cavity.
Specifically, according to the composition of a plurality of gases to be analyzed, various parameters of the analysis environment, including temperature, air pressure, gas concentration of each component, and the like, are determined through a preset program in the control host. The detection data obtained by detecting the data acquisition sensor is transmitted to the control host, the control host controls the flow controller to adjust the concentration of each component of the gas in the sealing cavity, the control host controls the heater to adjust the temperature of the gas in the sealing cavity, and the control host controls the vacuumizing system to adjust the air pressure in the sealing cavity, so that the detection conditions consisting of the preset temperature, the preset air pressure and the preset mixed gas concentration in the control host are automatically achieved.
Adopt the utility model discloses, compare with prior art, the utility model has the advantages of it is following:
(1) the automatic gas configuration system adopts program control to automatically construct a stable and high-precision gas environment required by gas analysis;
(2) the automatic gas configuration system can configure parameters such as gas concentration, pressure, temperature and the like to construct a specific gas detection environment;
(3) the automatic gas configuration system can detect and feed back the constructed gas environment in real time and control and adjust the constructed gas environment, so that the detection range of the gas analysis device is enlarged, the condition control is more accurate, and the application range is enlarged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the components of the automatic gas distribution system of the present invention;
fig. 2 is a detailed structural schematic diagram of the automatic gas distribution system of the present invention.
Illustration of the drawings:
1. a data display module; 2. a control host; 3. a data acquisition sensor; 31. a temperature sensor; 32. an air pressure sensor; 33. a gas detection sensor; 4. a warming system; 5. a vacuum pumping system; 51. a vacuum pump is pumped; 52. a vacuum valve; 6. A flow controller; 61. a gas flow meter; 7. an air source pressure stabilizing system; 71. a high pressure gas cylinder; 72. a pressure maintaining valve; 73. an electromagnetic valve; 8. the chamber is sealed.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to only these embodiments. The present invention covers any alternatives, modifications, equivalents, and alternatives falling within the spirit and scope of the present invention.
In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the drawings are simplified and in non-precise proportion, and are only used for the purpose of conveniently and clearly assisting in explaining the embodiments of the present invention.
Referring to fig. 1, there is illustrated an implementation of the automatic gas configuration system for gas analysis of the present invention, including:
the device comprises an air source pressure stabilizing system (7), a control host (2), a data acquisition sensor (3), a flow controller (6), a heating system (4), a sealing cavity (8) and a vacuumizing system (5).
By applying the embodiment provided by the invention, the gas environment constructed by the embodiment is used for gas sensor calibration.
The embodiment comprises a plurality of gas sources, sensitive gas to be analyzed and non-sensitive gas which does not interfere with the gas to be analyzed are taken as base gas. The air source is a high-pressure air bottle 71, and the air bottle 71 comprises a manual valve and an air pressure meter. The output of the gas cylinder is connected with a pressure stabilizing valve 72, and the pressure stabilizing valve 72 is adjusted in a manual or automatic mode to control the output gas to be in a specific stable pressure.
The flow rate controller 6 of the present embodiment realizes control of the gas flow rate using the gas flow meter 61. The gas flowmeter has different measuring ranges, such as 10mL/min, 100mL/min, 1L/min and the like. And selecting gas flow meters with different measuring ranges according to actual requirements. The gas flow meter 61 can be connected with the control host 2 through a digital communication port such as a serial port and an analog port such as a 4-20 mA type interface. The control host 2 can adjust and obtain the output flow of the real-time gas flowmeter 61 through a program, control the output time and control the total amount of the gas injected into the seal cavity 8.
The embodiment is equipped with data acquisition sensor 3 in sealed chamber 8, including temperature sensor 31, baroceptor 32, gaseous detection sensor 33, but real-time acquisition sealed intracavity gas ambient data, including temperature parameter, baroceptor, gaseous composition and concentration. The sensor data is output to the control host 2, and the data communication mode can be wired connection or wireless connection; the data form may be data or analog.
In the gas proportioning process, the data of the gas detection sensor 33 is collected in real time, the gas concentration in the sealed cavity 8 is detected, the output flow and the output time of the gas to be analyzed are controlled by adjusting the flow controller 6, and the total amount of the gas injected into the sealed cavity 8 is controlled. The gas interface of the sealed cavity 8 is provided with a gas electromagnetic valve 73, and the control host 2 opens the electromagnetic valve 73 to control the gas to be injected into or discharged from the sealed cavity 8. After the gas proportioning is completed, the electromagnetic valve 73 is closed, so that the sealing cavity 8 is kept in an airtight state, and a stable gas analysis environment is kept.
The embodiment further comprises a warming system 4, and the warming system 4 is controlled by the control host 2. According to the temperature of the gas in the closed cavity 8 detected by the temperature sensor 31, the heating system 4 is adjusted to stabilize the gas to be analyzed at a specific temperature.
The present embodiment further includes an evacuation pump 51, and the evacuation pump 51 is controlled by the control host 2. According to the gas pressure in the closed cavity 8 detected by the gas pressure sensor 32, the evacuation valve 52 is adjusted to reduce the cavity gas pressure; injecting non-sensitive base gas to increase the pressure of the cavity. The gas to be analyzed in the cavity is finally stabilized at a specific pressure.
The present embodiment also includes a control host 2. The experimenter sets the concentration, temperature and air pressure parameters of the gas to be analyzed through a man-machine interface and the data display module 1 such as a touch screen, and starts a gas configuration process. The control host machine 2 controls to open the vacuumizing valve 52 only, operates the vacuumizing pump 51, exhausts the gas in the sealed cavity 8, avoids gas analysis interference, and closes the vacuumizing valve 52; the control host 2 calculates the total amount of the required gas, controls to open a valve of the gas to be analyzed, adjusts the gas flowmeter 61, controls the gas injection time, and realizes the total amount control of the injected gas; the control host 2 reads the detected concentration data feedback of the gas detection sensor 33, adjusts the gas flowmeter 61, completes the gas proportioning of the target concentration, and closes the gas valve to be analyzed. The control host 2 controls to open the base gas valve, inject non-sensitive base gas, read the gas pressure data in the cavity, complete the target gas pressure configuration in the cavity, and close the base gas valve. In the air pressure configuration process, the data of the temperature sensor 31 is monitored by controlling the heating system 4, and the configuration of the air temperature in the cavity is completed.
Although the embodiments have been described and illustrated separately, it will be apparent to those skilled in the art that some common techniques may be substituted and integrated between the embodiments, and reference may be made to one of the embodiments not explicitly described, or to another embodiment described.
The above-mentioned specific embodiments have described the technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned is only the most preferred embodiments of the present invention, and is not used to limit the present invention, any modifications, supplements, equivalent replacements, etc. made within the principle scope of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automated multiple gas dosing configuration system for gas analysis, comprising:
the data display module (1) is used for receiving the gas analysis result and displaying the gas analysis result on the data display module (1);
the control host (2) controls the system components and performs real-time data analysis;
the data acquisition sensor (3) is used for acquiring the temperature, the components and the concentration of the gas to be detected;
a flow controller (6) for adjusting the output flow rate of the gas;
the heating system (4) is used for adjusting and maintaining the temperature of the gas to be measured;
the sealed cavity (8) is used for detecting the gas to be detected;
the vacuum pumping system (5) is used for adjusting the air pressure of the gas to be measured;
the gas source pressure stabilizing system (7) outputs gas with specific air pressure;
the sealing cavity (8) is communicated with the air source pressure stabilizing system (7), the data acquisition sensor (3), the flow controller (6), the heating system (4) and the vacuum pumping system (5); the control host (2) controls the flow controller (6) to adjust the output flow of the gas according to the real-time gas concentration measured by the data acquisition sensor (3); the control host (2) controls the heating system (4) to adjust the gas temperature in the sealed cavity (8) according to the real-time gas temperature measured by the data acquisition sensor (3); the control host (2) controls the vacuum-pumping system (5) according to the real-time gas pressure measured by the data acquisition sensor (3), adjusts and fills non-sensitive gas, and controls the gas pressure in the sealed cavity (8).
2. The system according to claim 1, wherein the data display module (1) is one of a capacitive display screen, a resistive display screen, a liquid crystal display screen, or a touch screen.
3. The system according to claim 1, wherein the gas source pressure-stabilizing system (7) comprises a high-pressure gas cylinder (71), a pressure-stabilizing valve (72) and a solenoid valve (73).
4. The system according to claim 3, wherein the gas source pressure stabilizing system (7) is connected to the flow controller (6) and the control host (2), the flow controller (6) controls the gas source pressure stabilizing system (7) to enable the gas source pressure stabilizing system (7) to regulate the output flow of the gas, and the control host (2) controls the electromagnetic valve (73) to achieve the gas concentration ratio to be measured.
5. The system according to claim 1, wherein the data collection sensor (3) comprises at least one of a temperature sensor (31), a gas pressure sensor (32), a gas detection sensor (33).
6. The system according to claim 5, wherein the data acquisition sensor (3) is connected to the control host (2) and the sealed chamber (8), and the data acquisition sensor (3) outputs a sensor detection result to the control host (2).
7. The system according to claim 6, wherein the data transmission mode of the data acquisition sensor (3) outputting the sensor detection result to the control host (2) is one of wired connection and wireless connection.
8. The system according to claim 1, wherein the evacuation system (5) comprises an evacuation pump (51) and an evacuation valve (52).
9. The system according to claim 8, wherein the vacuum pumping system (5) is connected to the control host (2), and the control host (2) controls the vacuum pumping valve (52) to enable the vacuum pump (51) to adjust the gas pressure to be measured in the sealed cavity (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920815436.4U CN210923607U (en) | 2019-05-31 | 2019-05-31 | Automatic multi-gas quantitative configuration system for gas analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920815436.4U CN210923607U (en) | 2019-05-31 | 2019-05-31 | Automatic multi-gas quantitative configuration system for gas analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923607U true CN210923607U (en) | 2020-07-03 |
Family
ID=71345155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920815436.4U Active CN210923607U (en) | 2019-05-31 | 2019-05-31 | Automatic multi-gas quantitative configuration system for gas analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210923607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125639A (en) * | 2021-03-08 | 2021-07-16 | 佛山仙湖实验室 | Calibration method and system for hydrogen concentration sensor |
| CN114002311A (en) * | 2021-11-03 | 2022-02-01 | 江苏舒茨测控设备股份有限公司 | Low-drift paramagnetic oxygen sensor |
| CN114432944A (en) * | 2022-01-27 | 2022-05-06 | 苏州科技大学 | Gas distribution system and gas distribution method |
-
2019
- 2019-05-31 CN CN201920815436.4U patent/CN210923607U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125639A (en) * | 2021-03-08 | 2021-07-16 | 佛山仙湖实验室 | Calibration method and system for hydrogen concentration sensor |
| CN114002311A (en) * | 2021-11-03 | 2022-02-01 | 江苏舒茨测控设备股份有限公司 | Low-drift paramagnetic oxygen sensor |
| CN114002311B (en) * | 2021-11-03 | 2022-09-13 | 江苏舒茨测控设备股份有限公司 | Low-drift paramagnetic oxygen sensor |
| CN114432944A (en) * | 2022-01-27 | 2022-05-06 | 苏州科技大学 | Gas distribution system and gas distribution method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210923607U (en) | Automatic multi-gas quantitative configuration system for gas analysis | |
| CN102500253B (en) | Novel device for distributing standard gas | |
| CN107486046B (en) | High-concentration organic matter standard mixed gas generating device and application method thereof | |
| CN106237877B (en) | A kind of dynamic gas-liquid mixed distributing instrument | |
| CN203422675U (en) | Dynamic trace gas concentration distributing apparatus | |
| CN202478880U (en) | Dynamic gas distribution instrument | |
| CN107153106A (en) | A kind of dynamic dilution gas calibration device | |
| CN206583507U (en) | A kind of gas-dynamic dilutes air distribution system | |
| CN103143293B (en) | Standard mixed gas preparation device | |
| CN108458251B (en) | Chronic intermittent hypoxia controller | |
| CN104977394B (en) | A kind of Gas Components and calorific value on-line measurement device | |
| CN106353278A (en) | Device for continuous measurement of breathing delta13C of soil microorganisms | |
| US4114419A (en) | Method of testing an analyzer to determine the accuracy thereof and a volumetric primary standard apparatus for doing same | |
| CN203139972U (en) | Standard mixed gas preparation apparatus | |
| CN206064202U (en) | A kind of dynamic gas-liquid mixed distributing instrument | |
| CN111249932A (en) | Gas dynamic dilution and distribution method and device | |
| CN112964834B (en) | Calibration method of dynamic calibrator for fixed pollution source | |
| CN108195950A (en) | The dilution error detection device and its detection method of calibrating gas dilution device based on gas chromatograph | |
| KR101717943B1 (en) | Airtight Test Apparatus for Nuclear Facility | |
| CN205175975U (en) | Gas chromatograph inlet end trace gas control ware | |
| CN108534868A (en) | A kind of gas-dynamic dilution air distribution system and its method | |
| CN111189979A (en) | Gas sensor calibration device | |
| CN104390831A (en) | Method and device for preparing standard methacrylic acid gas sample | |
| CN105278568B (en) | A kind of hysteresis quality concentration of formaldehyde autocontrol method | |
| CN209589904U (en) | A kind of high-precision gas sensor array detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |