CN204422362U - A kind of many gas-detecting devices - Google Patents
A kind of many gas-detecting devices Download PDFInfo
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- CN204422362U CN204422362U CN201520093711.8U CN201520093711U CN204422362U CN 204422362 U CN204422362 U CN 204422362U CN 201520093711 U CN201520093711 U CN 201520093711U CN 204422362 U CN204422362 U CN 204422362U
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The utility model provides a kind of many gas-detecting devices.This device comprise detect box, with detect data conversion module, the PC be connected with data conversion module communication and the gas gas supply mechanism be communicated with detection box fluid respectively and pure air organization of supply that box be electrically connected, some gas sensors that detection box comprises seal casinghousing and installs in housing.The utility model adopts the qcm sensor being coated with macromolecule gas sensitive coating, utilize quartz resonance to survey intelligent processing method that the method for gas componant realizes gas sensor, realizes toxic and harmful composition by the intelligent constituent analysis of multiple gases and differentiates and detect Volatile Organic Components in alcohol or non-alcohol type beverage, food.
Description
Technical field
The utility model relates to gas detection technology field, specifically a kind of many gas-detecting devices.
Background technology
In recent years, along with country payes attention to aspects such as ecologic environment, production safety, food securities, increasing demand was had to many-sided detections such as toxic and harmful and food freshnesses.But current gas detecting instrument ubiquity sensitivity is low, detect the problems such as kind is single, use is complicated.
Utility model content
The purpose of this utility model is just to provide a kind of many gas-detecting devices, for solving the few problem of existing gas-detecting device complex structure, function singleness and detectable gas kind.
The utility model is achieved in that
The utility model comprise detect box, with detect data conversion module, the PC communicated to connect with data conversion module and the sample gas gas supply mechanism be communicated with detection box fluid respectively and pure air organization of supply that box is electrically connected, some gas sensors that the detection box in the utility model comprises seal casinghousing and installs in housing.
Box will be detected in the utility model be electrically connected with data conversion module, and realize the smart frequency spectrum digitized processing of gas sensor data, smart frequency spectrum digitized processing is applied to gas detect analysis.Data conversion module and PC are communicated to connect, by wired or wireless communication connection, detection data is transferred to PC and carry out storage analysis, obtain testing result.
In the utility model, sample gas gas supply mechanism comprises the vacuum pump of bleeding to the sampling receptacle and Autonomous test box that detect box air feed.Utilize the pressure differential effect that vacuum pump produces in the utility model, detected sample gas is drawn into fast detect in box and detects.The sample gas gas supply mechanism structure of this device is simple, noise is low, can operate continuously simultaneously, maintenance cost is low.
In the utility model, pure air organization of supply comprises force (forcing) pump and the air filtration drying device to detecting box air feed, so that after detection terminates, by force (forcing) pump continuously to detecting the air carrying the clean dried of filtering through air filtration drying device in box, tested sample gas in detection box is all discharged, thus not by the impact detecting sample gas last time when ensureing that next time is detected, ensure gas detect precision of analysis.
In the utility model, gas sensor is qcm sensor, and the quartz wafer surface of each qcm sensor applies different macromolecule gas sensitive coatings.The utility model is provided with multiple qcm sensor, and the quartz wafer of qcm sensor surface is coated with different macromolecule gas sensitive coatings, can optionally adsorb different gas, detectable gaseous species is increased.In addition, the coating of macromolecule gas sensitive have technique simple, cheap, easily with the advantage such as Microstructure Sensor combines, therefore coating changes facility, and this also makes the cost of this pick-up unit reduce, and is suitable for popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, force (forcing) pump, 2, filtration drying device, 3, gas flow control valve, 4, detect box, 4-1, housing, 4-2, gas sensor, 5, data conversion module, 6, sampling receptacle, 7, PC, 8, vacuum pump, 9, tail gas escape pipe, 10, retaining valve.
Embodiment
This many gas-detecting device comprise detect box 4, with detect data conversion module 5 that box is electrically connected, the PC 7 that communicates to connect with data conversion module and the sample gas gas supply mechanism be communicated with detection box fluid respectively and pure air organization of supply, some gas sensor 4-2 that described detection box comprises seal casinghousing 4-1 and installs in described housing.
As shown in Figure 1,8 the gas sensor 4-2 detected in box 4 housing 4-1 are built into array, gas sensor 4-2 is qcm sensor, each qcm sensor is thickness shear type sensor, probe is that the one side that can reduce damping touches liquid type, the quartz wafer surface of each qcm sensor is coated with different macromolecule gas sensitive coatings, optionally can adsorb gas with various to increase the kind of sample gas.
In the utility model, sample gas gas supply mechanism comprises the vacuum pump 8 of bleeding to the sampling receptacle 6 and Autonomous test box that detect box 4 air feed.Described sampling receptacle 6 is communicated with detection box 4 fluid respectively by flow pipe with vacuum pump 8, and connecting pipeline is equipped with valve.In the utility model, pure air organization of supply comprises force (forcing) pump 1 and air filtration drying device 2 to detecting box 4 air feed.Described force (forcing) pump 1 and air filtration drying device 2 are communicated with detection box 4 fluid by flow pipe successively, and connecting pipeline is provided with valve.A kind of embodiment preferably as shown in Figure 1, the flow pipe of sample gas gas supply mechanism and pure air organization of supply shares a three-way valve as flowrate control valve 3, detection box 4 is also connected to a tail gas escape pipe 9 and retaining valve 10 is installed to realize tail gas one-way exhaust.Flow pipe between sampling receptacle 6 and detection box 4 is also provided with retaining valve 10, to realize unidirectional air feed.
As shown in Figure 1, in the utility model, gas flow control valve 3 is T-valve, and it can realize the keying of sample gas gas supply mechanism flow pipe and pure air organization of supply flow pipe as required.When needing to sample to gas, control gas flow control valve 3 and retaining valve 10, be communicated with sample gas gas supply mechanism flow pipe, cut off pure air organization of supply flow pipe, under the effect of vacuum pump 8, the gaseous sample in sampling receptacle 6 is inhaled into and detects box 4 inside, detects.After detection completes, need discharge detect box 4 inside complete the gaseous sample of detection time, sample gas gas supply mechanism flow pipe is cut off, pure air organization of supply flow pipe is communicated with, detect in box 4 by being filled into after the air in the force (forcing) pump 1 after filtration clean filtration of drying device 2, the gaseous sample of detection box 4 internal residual is made to be discharged to this pick-up unit by tail gas escape pipe 9 outside, residual gas in clear detection box, to use when next time is detected.
Claims (4)
1. gas-detecting device more than a kind, it is characterized in that, comprise detect box, with detect data conversion module, the PC communicated to connect with data conversion module and the sample gas gas supply mechanism be communicated with detection box fluid respectively and pure air organization of supply that box is electrically connected, some gas sensors that described detection box comprises seal casinghousing and installs in described housing.
2. many gas-detecting devices according to claim 1, is characterized in that, described sample gas gas supply mechanism comprises the vacuum pump of bleeding to the sampling receptacle and Autonomous test box that detect box air feed.
3. many gas-detecting devices according to claim 1, is characterized in that, described pure air organization of supply comprises force (forcing) pump and air filtration drying device to detecting box air feed.
4. many gas-detecting devices according to claim 1, is characterized in that, described gas sensor is qcm sensor, and the quartz wafer surface of described each qcm sensor applies different macromolecule gas sensitive coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093711.8U CN204422362U (en) | 2015-02-10 | 2015-02-10 | A kind of many gas-detecting devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093711.8U CN204422362U (en) | 2015-02-10 | 2015-02-10 | A kind of many gas-detecting devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422362U true CN204422362U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093711.8U Active CN204422362U (en) | 2015-02-10 | 2015-02-10 | A kind of many gas-detecting devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977394A (en) * | 2015-07-16 | 2015-10-14 | 莱芜市安诺美姿自动化仪表有限公司 | Online fuel gas component and heat value online measuring device |
| CN106290501A (en) * | 2016-09-23 | 2017-01-04 | 安徽中涣防务装备技术股份有限公司 | A kind of factory toxic and harmful monitoring device |
-
2015
- 2015-02-10 CN CN201520093711.8U patent/CN204422362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977394A (en) * | 2015-07-16 | 2015-10-14 | 莱芜市安诺美姿自动化仪表有限公司 | Online fuel gas component and heat value online measuring device |
| CN106290501A (en) * | 2016-09-23 | 2017-01-04 | 安徽中涣防务装备技术股份有限公司 | A kind of factory toxic and harmful monitoring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |