CN202994637U - Infrared gas sensor for measuring supersaturated steam - Google Patents
Infrared gas sensor for measuring supersaturated steam Download PDFInfo
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- CN202994637U CN202994637U CN 201220689600 CN201220689600U CN202994637U CN 202994637 U CN202994637 U CN 202994637U CN 201220689600 CN201220689600 CN 201220689600 CN 201220689600 U CN201220689600 U CN 201220689600U CN 202994637 U CN202994637 U CN 202994637U
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Abstract
The utility model provides an infrared gas sensor for measuring supersaturated steam. The infrared gas sensor for measuring supersaturated steam comprises a microprocessor circuit, an infrared light source, a measuring gas chamber with a gas inlet and a gas outlet, an infrared gas detector, a signal processing circuit, a power supply circuit and a supersaturated steam gasifying device, wherein the supersaturated steam gasifying device comprises a gasifying cavity body with a gas inlet and a gas outlet, a heating body and a heating control circuit, wherein the heating body and the heating control circuit are arranged on the gasifying cavity or in the gasifying cavity body; the gas outlet of the gasifying cavity body is connected to the gas inlet of the measuring gas chamber; and the microprocessor circuit is connected with the heating body through the heating control circuit so as to control the power supplying on-off or current of the heating body. The infrared gas sensor is scientific and reasonable in design, and has a high controllable circuit, thus facilitating rapid and efficient detection, and has the advantages of high measurement accuracy, stable performances and adaptability of circulation detection.
Description
Technical field
The utility model relates to a kind of infrared gas sensor, specifically, has related to a kind of infrared gas sensor of measuring supersaturated vapour.
Background technology
The characteristics such as measuring accuracy is high, reliability is high, antijamming capability is strong owing to having for infrared gas sensor, it is poisoning to resist, the life-span is long, be used widely at the gas concentration detection field, especially along with in recent years further research, the technology of infrared gas sensor reaches its maturity; But, in actual applications, find that still it exists some problems and needs to be resolved hurrily, for example, existing infrared gas sensor can't be measured the concentration of supersaturation organic steam.
Under normal temperature and pressure, the organic solution formation organic steam that all can volatilize, and most of organic steam all is harmful to human body; The measuring principle of infrared gas sensor is can only measurement gas, for oversaturated liquid-vapor mixture, not only can not measure, and also can affect sensor performance in optical path because liquid particle condenses in.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thereby provides that a kind of design science, measuring accuracy are high, stable performance, controllability are good, the infrared gas sensor of the measurement supersaturated vapour that is suitable for cycle detection.
to achieve these goals, the technical scheme that the utility model adopts is: a kind of infrared gas sensor of measuring supersaturated vapour, comprise microcontroller circuit, infrared light supply, measurement air chamber with air intake opening and gas outlet, infrared gas detector, signal processing circuit, power circuit and supersaturated vapour gasification installation, described supersaturated vapour gasification installation comprises the gasification cavity with air intake opening and gas outlet, be arranged on described gasification cavity or described gasification cavity in calandria and heating control circuit, the gas outlet of described gasification cavity connects the air intake opening of described measurement air chamber, described microcontroller circuit connects described calandria in order to control power supply break-make or the supply current of described calandria by described heating control circuit.
Based on above-mentioned, described supersaturated vapour gasification installation also comprise be arranged on described gasification cavity or described gasification cavity in temperature sensor, described microcontroller circuit connects described temperature sensor in order to gather the gasification temperature signal, and described microcontroller circuit is by the described heating control circuit described calandria of connection so that according to power supply break-make or the supply current of the described calandria of described gasification temperature signal controlling.
Based on above-mentioned, described supersaturated vapour gasification installation also comprises air feed pump and air feed pump control circuit, described air feed delivery side of pump connects the air intake opening of described gasification cavity, and described microcontroller circuit connects described air feed pump in order to control power supply break-make or the supply current of described air feed pump by described air feed pump control circuit.
Based on above-mentioned, it also comprises measures air chamber air cleaning pump and scavenging pump control circuit, described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber, and described microcontroller circuit connects described measurement air chamber air cleaning pump in order to control power supply break-make or the supply current of described measurement air chamber air cleaning pump by described scavenging pump control circuit.
Based on above-mentioned, described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber by controlled valve, and described microcontroller circuit connects described controlled valve in order to control the break-make of described controlled valve.
Based on above-mentioned, described measurement air chamber air cleaning pump is that outlet is with the air pump of internally piloted valve.
The relative prior art of the utility model has substantive distinguishing features and progress, and specifically, this infrared gas sensor has the following advantages:
1, the principle that this infrared gas sensor organic steam saturation concentration that volatilization forms according to organic liquid is directly proportional to temperature, by the supersaturated vapour gasification installation, supersaturated vapour is heated, improve the temperature of liquid-vapor mixture, and make liquid-vapor mixture evaporate into gas fully, then, again the gas that is gasified totally is passed into and measure the gas concentration infrared detection that air chamber carries out routine, namely, utilize existing, ripe infrared gas detection technology, under the prerequisite that does not affect accuracy of detection, thoroughly solved the problem that infrared gas sensor in the prior art can't detect gas-liquid mixture, expanded the application of infrared gas sensor.
2, this infrared gas sensor is by measuring air chamber air cleaning pump and scavenging pump control circuit, automatically remove raffinate or residual gas in the sensor gas circuit, that may condense, guaranteed the stable of the measuring accuracy of sensor and performance, it is had can be fast, the function of duplicate detection.
3, this infrared gas sensor design science, rationally, the controllability of circuit is strong, is beneficial to fast and efficiently and detects, and it has advantages of, and measuring accuracy is high, stable performance, be suitable for cycle detection.
Description of drawings
Fig. 1 is the structural representation of infrared gas sensor described in embodiment 1.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of infrared gas sensor of measuring supersaturated vapour, comprise microcontroller circuit, infrared light supply, have air intake opening and gas outlet measurement air chamber 1, infrared gas detector, signal processing circuit, power circuit, supersaturated vapour gasification installation, measure air chamber air cleaning pump 5 and scavenging pump control circuit, wherein, described signal processing circuit comprises signal amplification circuit, filtering circuit and A/D convertor circuit.
Described supersaturated vapour gasification installation comprises gasification cavity 2 with air intake opening and gas outlet, be arranged on described gasification cavity 2 or described gasification cavity 2 in calandria 3, heating control circuit, air feed pump 4 and air feed pump control circuit.
The gas outlet of described gasification cavity 2 connects the air intake opening of described measurement air chamber 1, and described microcontroller circuit connects described calandria 3 in order to control power supply break-make or the supply current of described calandria 3 by described heating control circuit.
The outlet of described air feed pump 4 connects the air intake opening of described gasification cavity 2, and described microcontroller circuit connects described air feed pump 4 in order to control power supply break-make or the supply current of described air feed pump 4 by described air feed pump control circuit.
The outlet of described measurement air chamber air cleaning pump 5 connects the air intake opening of described measurement air chamber 1, and described microcontroller circuit connects described measurement air chamber air cleaning pump 5 in order to control power supply break-make or the supply current of described measurement air chamber air cleaning pump 5 by described scavenging pump control circuit.
Described measurement air chamber air cleaning pump 5 is that outlet is with the air pump of internally piloted valve; When air pump was idle, internally piloted valve was closed voluntarily, in order to avoid enter from air pump the accuracy of detection of measuring the air chamber air and then affecting supersaturated vapour in the supersaturated vapour testing process; In the time of air pump work, internally piloted valve is opened voluntarily, so that air enters the measurement air chamber smoothly.Of particular note, in other embodiments, in order to realize aforementioned functional, also can adopt such structure: described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber by controlled valve, and described microcontroller circuit connects described controlled valve in order to control the break-make of described controlled valve.
Before measurement, microcontroller circuit is controlled calandria by heating control circuit the gasification cavity is heated, the temperature of cavity to be gasified reaches requirement, microcontroller circuit is controlled air feed pump by the air feed pump control circuit and supply defeated supersaturated vapour to be measured in the gasification cavity, supersaturated vapour is gasified totally through the gasification cavity, and enters the gas concentration infrared test that the measurement air chamber is completed routine; This cycle is completed, and microcontroller circuit is sent into pure air by scavenging pump control circuit control survey air chamber air cleaning pump to measuring air chamber, in order to discharge residual gas, to treat the detection in next cycle.
The present embodiment mainly is from the different of embodiment 1: described supersaturated vapour gasification installation also comprise be arranged on described gasification cavity or described gasification cavity in temperature sensor, described microcontroller circuit connects described temperature sensor in order to gather the gasification temperature signal, and described microcontroller circuit is by the described heating control circuit described calandria of connection so that according to power supply break-make or the supply current of the described calandria of described gasification temperature signal controlling.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (9)
1. infrared gas sensor of measuring supersaturated vapour, comprise microcontroller circuit, infrared light supply, measurement air chamber with air intake opening and gas outlet, infrared gas detector, signal processing circuit and power circuit, it is characterized in that: it also comprises the supersaturated vapour gasification installation, described supersaturated vapour gasification installation comprises the gasification cavity with air intake opening and gas outlet, be arranged on described gasification cavity or described gasification cavity in calandria and heating control circuit, the gas outlet of described gasification cavity connects the air intake opening of described measurement air chamber, described microcontroller circuit connects described calandria in order to control power supply break-make or the supply current of described calandria by described heating control circuit.
2. the infrared gas sensor of measurement supersaturated vapour according to claim 1, it is characterized in that: described supersaturated vapour gasification installation also comprise be arranged on described gasification cavity or described gasification cavity in temperature sensor, described microcontroller circuit connects described temperature sensor in order to gather the gasification temperature signal, and described microcontroller circuit is by the described heating control circuit described calandria of connection so that according to power supply break-make or the supply current of the described calandria of described gasification temperature signal controlling.
3. the infrared gas sensor of measurement supersaturated vapour according to claim 1 and 2, it is characterized in that: described supersaturated vapour gasification installation also comprises air feed pump and air feed pump control circuit, described air feed delivery side of pump connects the air intake opening of described gasification cavity, and described microcontroller circuit connects described air feed pump in order to control power supply break-make or the supply current of described air feed pump by described air feed pump control circuit.
4. the infrared gas sensor of measurement supersaturated vapour according to claim 1 and 2, it is characterized in that: it also comprises measures air chamber air cleaning pump and scavenging pump control circuit, described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber, and described microcontroller circuit connects described measurement air chamber air cleaning pump in order to control power supply break-make or the supply current of described measurement air chamber air cleaning pump by described scavenging pump control circuit.
5. the infrared gas sensor of measurement supersaturated vapour according to claim 3, it is characterized in that: it also comprises measures air chamber air cleaning pump and scavenging pump control circuit, described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber, and described microcontroller circuit connects described measurement air chamber air cleaning pump in order to control power supply break-make or the supply current of described measurement air chamber air cleaning pump by described scavenging pump control circuit.
6. the infrared gas sensor of measurement supersaturated vapour according to claim 4, it is characterized in that: described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber by controlled valve, and described microcontroller circuit connects described controlled valve in order to control the break-make of described controlled valve.
7. the infrared gas sensor of measurement supersaturated vapour according to claim 5, it is characterized in that: described measurement air chamber air cleaning delivery side of pump connects the air intake opening of described measurement air chamber by controlled valve, and described microcontroller circuit connects described controlled valve in order to control the break-make of described controlled valve.
8. the infrared gas sensor of measurement supersaturated vapour according to claim 4 is characterized in that: described measurement air chamber air cleaning pump is that outlet is with the air pump of internally piloted valve.
9. the infrared gas sensor of measurement supersaturated vapour according to claim 5 is characterized in that: described measurement air chamber air cleaning pump is that outlet is with the air pump of internally piloted valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689600 CN202994637U (en) | 2012-12-14 | 2012-12-14 | Infrared gas sensor for measuring supersaturated steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689600 CN202994637U (en) | 2012-12-14 | 2012-12-14 | Infrared gas sensor for measuring supersaturated steam |
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| Publication Number | Publication Date |
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| CN202994637U true CN202994637U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220689600 Expired - Lifetime CN202994637U (en) | 2012-12-14 | 2012-12-14 | Infrared gas sensor for measuring supersaturated steam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712911A (en) * | 2013-12-30 | 2014-04-09 | 南通市亿控自动化系统有限公司 | Gas concentration detection structure |
| CN108362531A (en) * | 2018-04-20 | 2018-08-03 | 吉林省圣宜达科技有限公司 | A kind of gas monitoring system suitable for underground coal mine |
-
2012
- 2012-12-14 CN CN 201220689600 patent/CN202994637U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712911A (en) * | 2013-12-30 | 2014-04-09 | 南通市亿控自动化系统有限公司 | Gas concentration detection structure |
| CN108362531A (en) * | 2018-04-20 | 2018-08-03 | 吉林省圣宜达科技有限公司 | A kind of gas monitoring system suitable for underground coal mine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Zhengzhou high tech Development Zone, Henan, Cedar Road, No. 169 Patentee after: HANWEI ELECTRONICS Group Corp. Address before: 450001 Zhengzhou high tech Development Zone, Henan, Cedar Road, No. 169 Patentee before: HENAN HANWEI ELECTRONICS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |