CN203572515U - Plug-in gas parameter measurement instrument - Google Patents

Plug-in gas parameter measurement instrument Download PDF

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Publication number
CN203572515U
CN203572515U CN201320720889.1U CN201320720889U CN203572515U CN 203572515 U CN203572515 U CN 203572515U CN 201320720889 U CN201320720889 U CN 201320720889U CN 203572515 U CN203572515 U CN 203572515U
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China
Prior art keywords
air
air inlet
pipeline
gas
measuring tube
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Expired - Lifetime
Application number
CN201320720889.1U
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Chinese (zh)
Inventor
李波
黎智
郭晨伟
李朋宾
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Gltech Co ltd
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Zhengzhou GL Tech Co
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Priority to CN201320720889.1U priority Critical patent/CN203572515U/en
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Abstract

The utility model discloses a plug-in gas parameter measurement instrument comprising an air inlet pipeline and an air return pipeline which are in series connection and communication. A sensor used for obtaining a gas signal is connected in series between the air inlet pipeline or the air return pipeline or the air inlet pipeline and the air return pipeline. The sensor is a methane sensor used for detecting gas concentration and or a pressure sensor used for detecting air pressure in a pipe. The air inlet pipeline is provided with an air inlet insertion section for being inserted into a pipe, and the air return pipeline is provided with an air return insertion section for being inserted into a pipe. The air inlet insertion section and/or the air return insertion section are fixedly connected with mounting frames which are fixedly provided with a temperature sensor for detecting the air temperature in the pipe and/or an ultrasonic flow detection device for detecting gas flow in the pipe. The measurement of a plurality of parameters can be carried out through using the measurement instrument in one time, the degree of integration is high, and the measuring efficiency is high.

Description

Plug-in type gas parameter determinator
Technical field
The utility model relates to a kind of plug-in type gas parameter determinator.
Background technology
For improving the security of coal mining, need to carry out extraction detection to the gas in pipeline, as disclosed a kind of device for taking and measuring gas in negative-pressure pipelines in the Chinese utility model patent instructions that is CN201229293Y at Granted publication number, this gets air inlet pipeline and return line that gas measurement mechanism comprises series connection, air inlet pipeline and return line are connected together by gas extraction propulsion system serial connection, on air inlet pipeline, be also serially connected with the sensor for obtaining Gas Signal, this sensor is the atmospheric pressure compensating infrared methane sensor that can simultaneously obtain methane concentration measuring-signal and pressure measurement signal.Above-mentioned air inlet pipeline and return line are parallel arranges, and air inlet pipeline and return line all have for inserting ducted inserting paragraph, and the end of the inserting paragraph of air inlet pipeline and return line respectively correspondence offers air intake opening and gas returning port.During use, the work of gas extraction propulsion system, ducted gas enters in air inlet pipeline through air intake opening, and then cooled via return air pipeline flows back to pipeline again, and when air-flow process sensor, sensor just can be exported measured corresponding testing result.
But above-mentioned getting in gas measurement mechanism, the parameter that is only applicable to get gas measurement is as the measurement of methane concentration and pipeline pressure, and for inserting in pipeline with the parameter in measuring channel as measurements such as gas flow, temperature, just need the special measurement mechanism of configuration in addition, measurement mechanism integrated level is not high, make when pipeline is carried out to gas parameter measurement required measurement mechanism more, affect measuring speed.
Utility model content
The purpose of this utility model is to provide a kind of plug-in type gas parameter determinator, to solve the not high technical matters of measurement mechanism integrated level of the prior art.
For achieving the above object, the technical scheme of plug-in type gas parameter determinator provided by the utility model is: plug-in type gas parameter determinator, comprise air inlet pipeline and return line that serial connection is communicated with, on air inlet pipeline or in return line, be serially connected with the sensor for obtaining Gas Signal, this sensor is for detection of the methane transducer of gas density and/or for detection of the pressure transducer of gas in pipelines pressure, on air inlet pipeline, have for inserting ducted air inlet inserting paragraph, return line has for inserting ducted return-air inserting paragraph, in described air inlet inserting paragraph and/or return-air inserting paragraph, be fixed with erecting frame, on erecting frame, be installed with for detection of the temperature sensor of gas in pipelines temperature and/or for detection of the device for detecting ultrasonic wave flow of gas in pipelines flow.
Described air inlet inserting paragraph and return-air inserting paragraph flow to and arrange along air in pipeline, air inlet inserting paragraph has along air in pipeline and flows to towards upstream windward side, on the windward side of air inlet inserting paragraph, offer air intake opening, return-air inserting paragraph has the lee face towards downstream along the air in pipeline flow direction, on the lee face of return-air inserting paragraph, offers gas returning port.
Described air inlet pipeline and return line are parallel arranges.
Described analyzer comprises for inserting ducted measuring tube, measuring tube one end is the insertion end of shutoff, the other end is the openend with opening, in measuring tube, be installed with the air guide dividing plate axially extending towards openend along measuring tube from described insertion end, air guide dividing plate and measuring tube surround described air inlet pipeline and return line, the openend of measuring tube is provided with the measurement air chamber being communicated with air inlet pipeline and return line, described sensor is located to be measured in air chamber, air inlet pipeline and return line are communicated with by measuring air chamber serial connection, described erecting frame is connected in the insertion end outside of measuring tube.
Described insertion end has shutoff end cap, and described air guide dividing plate and described shutoff end cap form inverted T-shaped integrative-structure.
Described measuring tube outer seal sleeve is equipped with the nut holder for analyzer being fixed on to the corresponding jack of pipeline.
A side seal that deviates from measuring tube of described measuring appliance is fixed with display gauge head, and the signal input part of display gauge head is communicated with the signal output part of each sensor by wire.
Usefulness of the present utility model is: when plug-in type gas parameter determinator provided by the utility model is used, make air inlet pipeline and return line and pipeline communication, air in pipeline enters in measuring instrument through air inlet pipeline, can be by methane concentration and the gaseous tension in methane transducer and pressure transducer difference measuring channel, because erecting frame will insert in pipeline, simultaneously, can detect respectively gas temperature and the gas flow in pipeline by temperature sensor on erecting frame and device for detecting ultrasonic wave flow, like this, use this analyzer once can carry out the measurement of multiple parameters, integrated degree is high, measurement efficiency is high.
Further, make the air inlet inserting paragraph of air inlet pipeline and the return-air inserting paragraph of return line flow to and arrange along air in pipeline, when gas flow is crossed after return-air inserting paragraph, lee face in return-air inserting paragraph one side is formed to whirlpool, thereby make the gas returning port place of the lee face of return-air inserting paragraph form negative pressure, the negative pressure at gas returning port place forms suction to gas in return line, air inlet pipeline, and then the gas Rapid Flow that makes to enter through the air intake opening of air inlet pipeline flows back to pipeline after crossing air inlet pipeline, return line.By offering gas returning port on the lee face in return-air inserting paragraph, by the negative pressure at gas returning port place, form suction to save the gas extraction propulsion system that flow through in air inlet pipeline and return line for realizing gas of the prior art, and then effectively simplified the one-piece construction of measuring instrument, dwindled the volume of measuring instrument.And the air intake opening of air inlet pipeline is opened on the windward side of air inlet inserting paragraph, this forms corresponding with the gas returning port on the lee face of return-air inserting paragraph, air intake opening is just to gas flow, gas returning port is gas flow dorsad, can improve like this flowing velocity of gas in air inlet pipeline and return line, improve the gas exchange efficiency between analyzer and pipeline.
Further, by air inlet pipeline and the parallel layout of return line, be convenient to by both concentrated settings together, be conducive to improve the miniaturization of analyzer.
Further, by measuring tube and the air guide dividing plate being arranged in measuring tube, form air inlet pipeline and return line, can further improve the miniaturization of analyzer, meanwhile, be also convenient to, at the openend of measuring tube, the measurement air chamber of being convenient to placement sensor is installed.Simultaneously, because air guide dividing plate extends axially along measuring tube, the gas entering in air inlet pipeline through air intake opening moves axially along air guide dividing plate and measuring tube, under Action of Gravity Field, the dust impurity mixing in gas will be separated from the gas in moving process, steam in gas also will further condense simultaneously, and then eliminate dust impurity and the impact of steam on sensor in measurement air chamber, improve the measuring accuracy of sensor.
Further, air guide dividing plate and shutoff end cap form inverted T-shaped integrative-structure, exist like this, when shutoff end cap is installed, air guide dividing plate and measuring tube fixedly can be assembled together, and can simplify mounting process, improve efficiency of assembling.
Further, at measuring tube external seal nut holder, be convenient to like this analyzer.And on measurement air chamber, seal the display gauge head that is connected, can be so that staff's observation.
Accompanying drawing explanation
Fig. 1 is the structural representation of plug-in type gas parameter determinator provided by the utility model.
Embodiment
As shown in Figure 1, a kind of embodiment of plug-in type gas parameter determinator, analyzer in this embodiment comprises air inlet pipeline 2 and the return line 3 that serial connection is communicated with, air inlet pipeline 2 herein and the parallel layout of return line 3, air inlet pipeline 2 and return line 3 have respectively air inlet inserting paragraph 21 and the return-air inserting paragraph 31 for inserting pipeline 15, air inlet inserting paragraph 21 and return-air inserting paragraph 31 are arranged along gas flow in pipeline 15, air inlet inserting paragraph 21 have deviate from return-air insertion end 31 along gas flow in pipeline 15 towards upstream windward side, on the windward side of air inlet inserting paragraph 21, offer air intake opening 22, return-air inserting paragraph 31 has along gas flow in pipeline 15 towards the lee face in downstream, on the lee face of return-air inserting paragraph 31, correspondence offers gas returning port 32.
Specifically, air inlet pipeline 2 in the present embodiment and the return line 3 air guide dividing plate 4 that inserts in measuring tube 1 and the measuring tube 1 in pipeline 15 when measuring is surrounded, one end of measuring tube 1 is the insertion end of shutoff, insertion end place in shutoff is installed with shutoff end cap 5, the other end of measuring tube 1 is the openend with opening, air guide dividing plate 4 axially extends towards the openend of measuring tube 1 along measuring tube 1 from the insertion end of measuring tube 1, so, air guide dividing plate 4 forms inverted T-shaped integrative-structure with shutoff end cap 5, air guide dividing plate 4 and measuring tube 1 surround described air inlet pipeline 2 and return line 3.At the openend of measuring tube 1, be provided with and measure air chamber 6, measuring air chamber 6 is communicated with air inlet pipeline 2 and return line 3 respectively, air inlet pipeline 2 and return line 3 are communicated with by measuring air chamber 6, in measurement air chamber 6, be provided with the sensor for obtaining Gas Signal, sensor is herein mainly for detection of the methane transducer 9 of gas density with for detection of the pressure transducer 8 of gas in pipelines pressure, and be fixed with display gauge head 11 in a side seal that deviates from measuring tube 1 of measuring air chamber 6, by the epoxy resin layer 10 that is arranged on display gauge head 11 and measurement air chamber 6 joints, realize both sealings, the signal input part of display gauge head 11 is communicated with the signal output part of each sensor by wire.
Simultaneously, insertion end outside at measuring tube 1 is fixed with erecting frame 16, on erecting frame 16, be installed with for detection of the temperature sensor 14 of gas in pipelines temperature with for detection of the device for detecting ultrasonic wave flow 7 of gas in pipelines flow, device for detecting ultrasonic wave flow 7 herein comprises the ultrasonic transducer group of the adverse current time when measuring the following current time of ultrasound wave when gas following current to be measured is propagated and adverse current and propagate, this ultrasonic transducer group comprises two transceivers, and the alternately corresponding ultrasonic transducer as transmitting and receiving element, the V-shaped reflection configuration of two ultrasonic transducers is herein arranged.
For ease of plug-in mounting analyzer, at measuring tube 1 outer seal sleeve, the nut holder 13 for analyzer being fixed on to pipeline 15 corresponding jacks is housed.
The analyzer that the present embodiment provides in use, by corresponding measuring tube 1, insert in pipeline 15, by temperature sensor 14 and device for detecting ultrasonic wave flow 7 respectively correspondence measure ducted gas temperature and flow, simultaneously, gas enters and measures in air chamber 6 through air intake opening 22, air inlet pipeline 2, by methane transducer 9 and pressure transducer 6, measure gas density and gaseous tension, then cooled via return air pipeline 3, gas returning port 32 are got back in pipeline.On the analyzer that the present embodiment provides, be integrated with methane transducer, pressure transducer, temperature sensor and device for detecting ultrasonic wave flow, when can realize like this gas density, gas flow, pipeline pressure and 4 parameters of temperature, measure, integrated degree is high.
In above-described embodiment, air inlet pipeline and return line are surrounded by measuring tube and air guide dividing plate, in other embodiments, air inlet pipeline and return line can be also two wireways of independent parallel setting, and two wireways can be fixed together by the mode of welding.
In above-described embodiment, air inlet pipeline and return line all have the ducted inserting paragraph of insertion, in other embodiments, also can only return line be inserted in pipeline, and the air intake opening of air inlet pipeline is docked with pipeline 15.
In above-described embodiment, the sensor of measuring in air chamber comprises methane transducer and pressure transducer, in other embodiments, also can in measurement air chamber, a kind of sensor or other the sensor that can be used to detect gas parameter be only set.
In above-described embodiment, on the erecting frame being connected in the insertion end outside of measuring tube, be installed with temperature sensor and device for detecting ultrasonic wave flow, in other embodiments, also only set temperature sensor or device for detecting ultrasonic wave flow.And the ultrasonic transducer in above-mentioned device for detecting ultrasonic wave flow, to adopting V-type reflection configuration, also can adopt correlation structure, also or adopt X-type arrangement of the prior art.

Claims (7)

1. plug-in type gas parameter determinator, comprise air inlet pipeline and return line that serial connection is communicated with, on air inlet pipeline or in return line, be serially connected with the sensor for obtaining Gas Signal, this sensor is for detection of the methane transducer of gas density and/or for detection of the pressure transducer of gas in pipelines pressure, on air inlet pipeline, have for inserting ducted air inlet inserting paragraph, return line has for inserting ducted return-air inserting paragraph, it is characterized in that: in described air inlet inserting paragraph and/or return-air inserting paragraph, be fixed with erecting frame, on erecting frame, be installed with for detection of the temperature sensor of gas in pipelines temperature and/or for detection of the device for detecting ultrasonic wave flow of gas in pipelines flow.
2. plug-in type gas parameter determinator according to claim 1, it is characterized in that: described air inlet inserting paragraph and return-air inserting paragraph flow to and arrange along air in pipeline, air inlet inserting paragraph has along air in pipeline and flows to towards upstream windward side, on the windward side of air inlet inserting paragraph, offer air intake opening, return-air inserting paragraph has the lee face towards downstream along the air in pipeline flow direction, on the lee face of return-air inserting paragraph, offers gas returning port.
3. plug-in type gas parameter determinator according to claim 2, is characterized in that: described air inlet pipeline and return line are parallel arranges.
4. plug-in type gas parameter determinator according to claim 3, it is characterized in that: described analyzer comprises for inserting ducted measuring tube, measuring tube one end is the insertion end of shutoff, the other end is the openend with opening, in measuring tube, be installed with the air guide dividing plate axially extending towards openend along measuring tube from described insertion end, air guide dividing plate and measuring tube surround described air inlet pipeline and return line, the openend of measuring tube is provided with the measurement air chamber being communicated with air inlet pipeline and return line, described sensor is located to be measured in air chamber, air inlet pipeline and return line are communicated with by measuring air chamber serial connection, described erecting frame is connected in the insertion end outside of measuring tube.
5. plug-in type gas parameter determinator according to claim 4, is characterized in that: described insertion end has shutoff end cap, and described air guide dividing plate and described shutoff end cap form inverted T-shaped integrative-structure.
6. according to the plug-in type gas parameter determinator described in claim 4 or 5, it is characterized in that: described measuring tube outer seal sleeve is equipped with the nut holder for analyzer being fixed on to the corresponding jack of pipeline.
7. according to the plug-in type gas parameter determinator described in claim 4 or 5, it is characterized in that: a side seal that deviates from measuring tube of described measuring appliance is fixed with display gauge head, and the signal input part of display gauge head is communicated with the signal output part of each sensor by wire.
CN201320720889.1U 2013-11-15 2013-11-15 Plug-in gas parameter measurement instrument Expired - Lifetime CN203572515U (en)

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Application Number Priority Date Filing Date Title
CN201320720889.1U CN203572515U (en) 2013-11-15 2013-11-15 Plug-in gas parameter measurement instrument

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Application Number Priority Date Filing Date Title
CN201320720889.1U CN203572515U (en) 2013-11-15 2013-11-15 Plug-in gas parameter measurement instrument

Publications (1)

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CN203572515U true CN203572515U (en) 2014-04-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107796917A (en) * 2017-09-30 2018-03-13 南京宏博环保实业有限公司 A kind of intelligent on-line checking, alarm, prior-warning device
CN110307035A (en) * 2019-06-28 2019-10-08 贵州大学 It tests coal-bed gas underlying parameter and predicts the device and method of gas zone of illuviation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107796917A (en) * 2017-09-30 2018-03-13 南京宏博环保实业有限公司 A kind of intelligent on-line checking, alarm, prior-warning device
CN110307035A (en) * 2019-06-28 2019-10-08 贵州大学 It tests coal-bed gas underlying parameter and predicts the device and method of gas zone of illuviation

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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

Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10

Patentee after: GLTECH Co.,Ltd.

Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10

Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd.

CP01 Change in the name or title of a patent holder
CX01 Expiry of patent term

Granted publication date: 20140430

CX01 Expiry of patent term