CN112611842A - Methane monitoring devices based on rice collector - Google Patents

Methane monitoring devices based on rice collector Download PDF

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Publication number
CN112611842A
CN112611842A CN202011499942.0A CN202011499942A CN112611842A CN 112611842 A CN112611842 A CN 112611842A CN 202011499942 A CN202011499942 A CN 202011499942A CN 112611842 A CN112611842 A CN 112611842A
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China
Prior art keywords
methane
device body
methane sensor
sensor
collecting
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Pending
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CN202011499942.0A
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Chinese (zh)
Inventor
张明洲
付贤树
俞晓平
叶子弘
孙传信
马骉
郝培应
孙凯
汤近天
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China Jiliang University
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China Jiliang University
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Priority to CN202011499942.0A priority Critical patent/CN112611842A/en
Publication of CN112611842A publication Critical patent/CN112611842A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
    • G01N33/0067General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The invention discloses a rice collector-based methane monitoring device, which belongs to the technical field of collecting equipment and comprises a collecting device body, wherein a collecting cover is arranged at the bottom of the collecting device body and is communicated with the collecting device body, an air outlet pipe is arranged on the outer side wall of the collecting device body and is communicated with the collecting device body, an outlet valve is arranged on the air outlet pipe, a first methane sensor and a second methane sensor are arranged in the collecting cover and are connected with a controller, the controller is connected with display equipment, a third methane sensor and a fourth methane sensor are arranged in the collecting device body and are connected with the controller.

Description

Methane monitoring devices based on rice collector
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to a methane monitoring device based on a rice collector.
Background
In the research to the gaseous methane of different growth periods of rice, need collect the methane that the rice produced on the spot in the paddy field, because the environment is relatively complicated in the paddy field, the gaseous methane that the rice produced is more difficult to collect, there is not the producer at present to produce special collection and collection condition detection instrument, it is gaseous collection to the rice methane that the simple self-made instrument of use often in colleges and universities teachers and students scientific research, the self-made instrument is inconvenient to use, the gas tightness is poor, take place to reveal easily, thereby lead to the experimental data of collecting inaccurate.
The current collecting device for generating methane gas from rice has a simple and crude structure, is inconvenient to use, has incomparable performance, has poor use performance, influences the accuracy of methane gas collection, cannot distinguish whether the device is closed, and cannot predict the air tightness of the device in advance.
However, in the prior art, because the collection of the methane gas generated by the rice is usually only collected by using a simple water pipe during the test, the gas is easy to leak and is mixed with the external space, so that the test data has a large error, and meanwhile, whether the collected methane gas leaks or not is inconvenient to judge, therefore, a device which is simple in structure and convenient to find whether the gas leaks or not is needed.
Disclosure of Invention
The invention aims to provide a rice collector-based methane monitoring device, which can collect methane generated by rice, judge the methane collection amount and judge whether the methane collection device leaks.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a methane monitoring devices based on rice collector, includes the collection device body, the bottom of collection device body is equipped with collects the cover, collect cover and collection device body intercommunication, be equipped with the outlet duct on the lateral wall of collection device body, outlet duct and collection device body intercommunication, be equipped with outlet valve on the outlet duct, be equipped with first methane sensor and second methane sensor in the collection cover, first methane sensor, second methane sensor are connected with the controller, the controller is connected with display device, be equipped with third methane sensor and fourth methane sensor in the collection device body, third methane sensor, fourth methane sensor are connected with the controller.
Preferably, the bottom of the collecting cover is provided with a plurality of pins.
Preferably, the collecting device body and the collecting cover are detachably connected.
Preferably, the bottom of the collecting device body is provided with a body valve.
Preferably, an air outlet pipe methane sensor is arranged in the air outlet pipe, and the air outlet pipe methane sensor is connected with the controller.
Preferably, a fifth methane sensor is arranged on the outer side wall of the collecting device body.
The methane monitoring device based on the rice collector has the beneficial effects that:
1. the methane collecting device is provided with the collecting cover, so that the collecting work of methane gas generated by rice in the rice field can be completed, and the bottom of the collecting cover is provided with the pins, so that the methane collecting device is convenient for testers to use in the rice field.
2. The methane collecting device is provided with the collecting device body, so that methane gas generated by rice can be collected, and meanwhile, the gas outlet pipe is arranged on the collecting device body, so that the gas can be discharged for other use, and the methane gas is convenient to take.
3. The methane collecting device is provided with the first methane sensor, the second methane sensor, the third methane sensor and the fourth methane sensor, so that the methane quantity in the collecting cover and the methane quantity in the collecting device body can be judged, whether enough methane is stored in the collecting device body or not is judged, and whether the methane content in the collecting device body and the collecting cover is uniform or not is judged.
Drawings
FIG. 1 is a schematic structural diagram of a rice collector-based methane monitoring device according to the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in figure 1, a methane monitoring device based on a rice collector comprises a collecting device body 2, the collecting device body 2 is used for storing collected methane gas, a collecting cover 1 is arranged at the bottom of the collecting device body 2, the collecting cover 1 is communicated with the collecting device body 2, the collecting cover 1 is used for covering growing rice to collect the methane gas released by rice seedlings, an air outlet pipe 9 is arranged on the outer side wall of the collecting device body 2, the air outlet pipe 9 is communicated with the collecting device body 2, an outlet valve 11 is arranged on the air outlet pipe 9, the air outlet pipe 9 is used for releasing the methane gas in the collecting device body 2, the air outlet pipe 9 is fixedly arranged on the outer side wall of the collecting device body 2 and is communicated with the inside of the collecting device body 2, an outlet valve 11 is further arranged in the air outlet pipe 9, the outlet valve 11 is used for releasing the methane gas collected in the collecting device body 2, the collecting cover 1 is internally provided with a first methane sensor 5 and a second methane sensor 4, the inner side wall of the collecting cover 1 is provided with a first methane sensor 5 mounting seat and a second methane sensor 4 mounting seat, the first methane sensor 5 mounting seat is arranged at the upper part of the inner side wall of the collecting cover 1, the second methane sensor 4 mounting seat is arranged at the lower part of the inner side wall of the collecting cover 1, the first methane sensor 5 is used for detecting the methane concentration at the upper part of the collecting cover 1, the second methane sensor 4 is used for detecting the methane concentration at the lower part of the collecting cover 1, the first methane sensor 5 and the second methane sensor 4 are connected with a controller, the controller is connected with a display device, the display device displays the obtained detection result, the collecting device body 2 is internally provided with a third methane sensor 7 and a fourth methane sensor 6, the inner wall of the collecting device is provided with a third methane sensor 7 mounting seat and a fourth methane sensor 6 mounting seat, the third methane sensor 7 mounting seat is arranged on the upper portion of the collecting device body 2, the fourth methane sensor 6 mounting seat is arranged on the lower portion of the collecting device body 2, the third methane sensor 7 is used for testing the methane content on the upper portion of the collecting device body 2, the fourth methane sensor 6 is used for testing the methane content on the lower portion of the collecting device body 2, the third methane sensor 7 and the fourth methane sensor 6 are connected with the controller, and finally detection data obtained by the third methane sensor 7 and the fourth methane sensor 6 can be displayed on a display device so as to be recorded and judged by a tester; the bottom of the collecting cover 1 is provided with a plurality of pins 3, and the pins 3 are used for fixing the methane monitoring device of the rice collector in a rice field so as to collect methane gas generated by rice; the collecting device body 2 and the collecting cover 1 are detachably connected, a step is arranged at the connecting part of the top of the collecting cover 1 and the collecting device body 2, and the collecting device body 2 is sleeved at the step to complete installation; the bottom of the collecting device body 2 is provided with a body valve 8, after the collection is finished, the methane gas collected in the collecting device body 2 can be transported and stored by closing the body valve 8, and during the collection, the body valve 8 is in an open state, so that the methane gas can enter the collecting device body 2; an outlet pipe methane sensor 10 is arranged in the outlet pipe 9, the outlet pipe methane sensor 10 can test the content of methane in an outlet pipe at the outlet, whether the outlet valve 11 is closed or damaged can be judged, an outlet pipe methane sensor 10 mounting seat is arranged in the outlet pipe 9, and the outlet pipe methane sensor 10 is connected with the controller; be equipped with the fifth methane sensor on the lateral wall of collection device body 2, be equipped with the fifth methane sensor mount pad on the lateral wall of collection device body 2, the methane content in the fifth methane sensor can the test air to in with collection device body 2 or collect the methane content in the cover 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a methane monitoring devices based on rice collector, its characterized in that, includes the collection device body, the bottom of collection device body is equipped with collects the cover, collect cover and collection device body intercommunication, be equipped with the outlet duct on the lateral wall of collection device body, outlet duct and collection device body intercommunication, be equipped with outlet valve on the outlet duct, be equipped with first methane sensor and second methane sensor in collecting the cover, first methane sensor, second methane sensor are connected with the controller, the controller is connected with display device, be equipped with third methane sensor and fourth methane sensor in the collection device body, third methane sensor, fourth methane sensor are connected with the controller.
2. The rice collector-based methane monitoring device according to claim 1, wherein the bottom of the collection cover is provided with pins.
3. The rice collector-based methane monitoring device according to claim 1, wherein the collection device body and the collection cover are detachably connected.
4. The rice collector-based methane monitoring device according to claim 1, wherein a body valve is disposed at the bottom of the collection device body.
5. The rice collector-based methane monitoring device according to claim 1, wherein an outlet pipe methane sensor is provided in the outlet pipe, and the outlet pipe methane sensor is connected to the controller.
6. The rice collector-based methane monitoring device according to claim 1, wherein a fifth methane sensor is provided on an outer sidewall of the collecting device body.
CN202011499942.0A 2020-12-17 2020-12-17 Methane monitoring devices based on rice collector Pending CN112611842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011499942.0A CN112611842A (en) 2020-12-17 2020-12-17 Methane monitoring devices based on rice collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011499942.0A CN112611842A (en) 2020-12-17 2020-12-17 Methane monitoring devices based on rice collector

Publications (1)

Publication Number Publication Date
CN112611842A true CN112611842A (en) 2021-04-06

Family

ID=75240447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011499942.0A Pending CN112611842A (en) 2020-12-17 2020-12-17 Methane monitoring devices based on rice collector

Country Status (1)

Country Link
CN (1) CN112611842A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116338112A (en) * 2023-05-31 2023-06-27 东北农业大学 Rice field methane emission detection control device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116338112A (en) * 2023-05-31 2023-06-27 东北农业大学 Rice field methane emission detection control device and method
CN116338112B (en) * 2023-05-31 2023-08-15 东北农业大学 Rice field methane emission detection control device and method

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