CN113588888B - From catching poisonous gas check out test set - Google Patents

From catching poisonous gas check out test set Download PDF

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Publication number
CN113588888B
CN113588888B CN202110970158.1A CN202110970158A CN113588888B CN 113588888 B CN113588888 B CN 113588888B CN 202110970158 A CN202110970158 A CN 202110970158A CN 113588888 B CN113588888 B CN 113588888B
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China
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detection
tube
install
box
fan
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CN202110970158.1A
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CN113588888A (en
Inventor
王懋
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Anhui Lijian Defense Technology Co ltd
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Anhui Lijian Defense Technology Co ltd
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Priority to CN202110970158.1A priority Critical patent/CN113588888B/en
Publication of CN113588888A publication Critical patent/CN113588888A/en
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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
    • 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
    • G01N1/2202Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2214Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
    • 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
    • G01N1/2247Sampling from a flowing stream of gas
    • 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
    • G01N1/24Suction devices
    • 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
    • G01N33/0011Sample conditioning
    • 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
    • G01N33/0063General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
    • 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
    • G01N1/24Suction devices
    • G01N2001/245Fans

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

Abstract

The invention discloses a self-capturing type toxic gas detection device which comprises a base, wherein a sliding rail is vertically arranged on the base, a detection box is arranged on the sliding rail, a detection mechanism and a control panel are arranged in the detection box, the detection mechanism comprises a detection pipe, a fan, an enrichment device, a gas sensor and a connecting pipe, the detection pipe is fixedly arranged on the inner wall on the right side of the detection box, a plurality of air inlets are formed in the detection box on the left side of the detection pipe, the fan is arranged on the right part of the detection pipe, a detection cavity is formed in the detection pipe on the left side of the fan, the enrichment device is arranged in the detection cavity, the gas sensor is arranged in the detection cavity on the outer side of the enrichment device, the detection cavity on the rear part of the gas sensor is communicated with the detection pipe on the right side of the fan through the connecting pipe, and the sensor is electrically connected with the control panel.

Description

From catching poisonous gas check out test set
Technical Field
The invention relates to the technical field of gas detection equipment, in particular to self-capture type toxic gas detection equipment.
Background
In the production process, toxic and harmful gases discharged into the air of the operation place not only directly affect the safety and health of operators, but also pollute the surrounding environment. Especially, the problems of the old equipment and the backward process and the toxic gas hazard are prominent. During the production process of enterprises, acute poisoning accidents occur, the concentration of toxic gases in many working places greatly exceeds the national regulation standard, and the physical health of operators is seriously threatened. The toxic gas detection equipment is mainly used for detecting the concentration of relevant toxic gases in the fields of petroleum, chemical industry and pharmacy in real time so as to ensure the safety of workers. However, in the conventional detection apparatus, when the concentration of the toxic gas is low, the detection cannot be performed, and the sensor does not respond, so that the operator can be poisoned even after working in such an environment for a long time, and therefore, an apparatus capable of detecting the toxic gas in a low concentration state is required.
Disclosure of Invention
The invention aims to provide a self-trapping toxic gas detection device which overcomes the defects of the prior art.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the utility model provides a from poisonous gas detection equipment of catching formula, includes the base, the base on vertical install the slide rail, the slide rail on install detection box, detection box in install detection mechanism and control panel, detection mechanism include detection tube, fan, enrichment device, gas sensor and connecting tube, detection tube fixed mounting on the inner wall on detection box right side, detection tube left detection box on be equipped with a plurality of inlet port, the fan install in the right part of detection tube, the left detection tube of fan on be equipped with the detection chamber, enrichment device install in the detection chamber, gas sensor install in the detection chamber in enrichment device outside, and the detection chamber at gas sensor rear portion communicates with the detection tube on fan right side through the connecting tube, sensor and control panel electricity be connected.
Preferably, an alarm and a storage battery are also installed in the detection box, and the alarm and the storage battery are electrically connected with the control panel.
Preferably, the enrichment device comprises a ceramic tube and a sponge ring, wherein the ceramic tube is fixedly arranged in a detection tube at the detection cavity, the inner diameter of the ceramic tube is the same as that of the detection tube, a plurality of enrichment holes which are obliquely arranged are formed in the ceramic tube, and the sponge ring is sleeved on the outer wall of the ceramic tube.
Preferably, the inclination direction of the enrichment hole is the same as the direction of the air flow in the detection tube.
Preferably, the left end of the detection tube is also sleeved with an air inlet tube, the air inlet tube is L-shaped, and the air inlet tube is arranged on the inner wall of the detection box through a bearing seat.
Preferably, the outer wall of the air inlet pipe is also provided with a gear ring, the detection box is internally provided with a driving motor, a rotating shaft of the driving motor is provided with a gear disc meshed with the gear ring, and the driving motor is electrically connected with the control panel.
Preferably, the sliding rail is movably inserted in the rear part of the detection box, a groove is formed in the sliding rail, teeth are arranged on the surface of the groove, and the teeth are meshed with the gear plate.
Preferably, the lower surface of the base is provided with a rubber pad, the middle part of the rubber pad forms a cavity, and the upper surface of the rubber pad at the cavity is provided with a rubber column penetrating through the base.
Compared with the prior art, the invention has the following implementation effects:
1. according to the invention, through the induced air effect of the fan, the air in the air can enter the detection tube through the air inlet hole, the air can impact into the enrichment hole in the ceramic tube under the power effect of forward flowing in the process of flowing through the detection tube, as the ceramic tube is of a porous structure and has an adsorption effect, toxic components in the air can be adsorbed by the ceramic tube, the sponge ring prevents the air in the enrichment hole from directly rushing into the detection cavity, so that the ceramic tube can enrich the toxic gases, and when the toxic components enriched in the ceramic tube are saturated, the toxic components diffuse into the detection cavity under the communication effect of the connecting tube, so that the toxic components entering the detection cavity are contacted with the gas sensor, and an alarm is triggered to alarm, thereby realizing the detection of the toxic components in a low concentration state.
2. According to the invention, the air inlet pipe can be driven to rotate through the rotation of the driving motor, so that the air around the detection box can be sucked into the air inlet pipe, and meanwhile, the gear plate drives the detection box to move up and down on the sliding rail under the rotation of the driving motor, so that the detection box can detect toxic components in the air at different heights.
3. The base can discharge the gas in the cavity through the pressing of the rubber column, so that the base is firmly fixed on the ground, and the detection equipment is convenient to install and carry.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the cartridge;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a schematic structural view of the base.
Reference numerals illustrate: 1. a base; 11. a rubber pad; 12. a cavity; 13. a rubber column; 2. a slide rail; 21. a groove; 22. teeth; 3. a detection box; 31. an air inlet hole; 4. a control panel; 5. an alarm; 6. a driving motor; 61. a gear plate; 7. a detection tube; 70. a detection chamber; 71. a blower; 72. a connecting pipe; 73. a ceramic tube; 74. enrichment holes; 75. a sponge ring; 76. a gas sensor; 8. an air inlet pipe; 81. a bearing seat; 82. a gear ring; 9. and a storage battery.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction to construct and operate in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the self-catching type toxic gas detection device comprises a base 1, a slide rail 2 is vertically arranged on the base 1, a rubber pad 11 is arranged on the lower surface of the base 1, a cavity 12 is formed in the middle of the rubber pad 11, a rubber column 13 penetrating through the base 1 is arranged on the upper surface of the rubber pad 11 at the position of the cavity 12, and the gas in the cavity 12 is discharged through pressing the rubber column 13, so that the base 1 is firmly fixed on the ground, and the detection device is convenient to install and carry; install detection box 3 on the slide rail 2, slide rail 2 activity grafting is in the rear portion of detection box 3, through the position of adjustment detection box 3 on slide rail 2, can adjust the height of detection box 3.
The detection mechanism comprises a detection tube 7, a fan 71, an enrichment device, a gas sensor 76 and a connecting tube 72, wherein the detection tube 7 is fixedly arranged on the inner wall on the right side of the detection box 3, a plurality of air inlets 31 are formed in the detection box 3 on the left side of the detection tube 7, the air inlets 31 can prevent foreign matters from entering, a certain dustproof effect is achieved, the fan 71 is arranged on the right part of the detection tube 7 and used for sucking air into the detection tube 7, a detection cavity 70 is formed in the detection tube 7 on the left side of the fan 71, the enrichment device is arranged in the detection cavity 70, the gas sensor 76 is arranged in the detection cavity 70 on the outer side of the enrichment device, the sensor is electrically connected with the control panel 4, the enrichment device can enrich toxic components in air entering the detection tube 7, the detection sensitivity of the gas sensor 76 is improved, and the detection cavity 70 on the rear part of the gas sensor 76 is communicated with the detection tube 7 on the right side of the fan 71 through the connecting tube 72, so that air entering the detection tube 7 can be partially guided into the detection cavity 70, and the flow of the gas sensor 76 in the detection cavity 70 is realized.
The alarm 5 and the storage battery 9 are also arranged in the detection box 3, the alarm 5 and the storage battery 9 are electrically connected with the control panel 4, the storage battery 9 supplies power for the control panel 4, and after the gas sensor 76 detects toxic components, the control panel 4 controls the alarm 5 to give an alarm.
The enrichment device comprises a ceramic tube 73 and a sponge ring 75, wherein the ceramic tube 73 is fixedly arranged in the detection tube 7 at the position of the detection cavity 70, the inner diameter of the ceramic tube 73 is the same as that of the detection tube 7, a plurality of enrichment holes 74 which are obliquely arranged are formed in the ceramic tube 73, and the sponge ring 75 is sleeved on the outer wall of the ceramic tube 73. In the process of air flowing through the detection tube 7, as the inclination direction of the enrichment hole 74 is the same as the air flow direction in the detection tube 7, the air can impact the enrichment hole 74 in the ceramic tube 73 under the action of the power flowing forward, and as the ceramic is of a porous structure, the ceramic tube 73 can absorb toxic components in the air, the sponge ring 75 prevents the air in the enrichment hole 74 from directly rushing into the detection cavity 70, so that the ceramic tube 73 can enrich the toxic gases, when the enriched toxic components in the ceramic tube 73 are saturated, the toxic components diffuse into the detection cavity 70 under the communication action of the connecting tube 72, the toxic components entering the detection cavity 70 are contacted with the gas sensor 76,
the left end of the detection tube 7 is also sleeved with an air inlet tube 8, the air inlet tube 8 is L-shaped, the air inlet tube 8 is arranged on the inner wall of the detection box 3 through a bearing seat 81, and the air inlet direction of the air inlet tube 8 can be adjusted by rotating the air inlet tube 8. Still install gear circle 82 on the outer wall of intake pipe 8, and install driving motor 6 in the detection box 3, install in driving motor 6's the pivot with gear circle 82 engaged gear dish 61, driving motor 6 is connected with control panel 4 electricity, through driving motor 6's rotation, can drive intake pipe 8 and rotate, make intake pipe 8 can inhale the air around the detection box 3.
In addition, a groove 21 is formed in the sliding rail 2, teeth 22 are formed in the surface of the groove 21, the teeth 22 are meshed with a gear disc 61, and the gear disc 61 drives the detection box 3 to move up and down on the sliding rail 2 under the rotation of the driving motor 6, so that the detection box 3 can detect toxic components in the air at different heights.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a from poisonous gas detection equipment of catching, includes base, its characterized in that: the base on vertically install the slide rail, the slide rail on install the detection box, the detection box in install detection mechanism and control panel, detection mechanism include test tube, fan, enrichment device, gas sensor and connecting tube, the test tube fixed mounting on the inner wall on detection box right side, the detection box on the test tube left side on be equipped with a plurality of inlet port, the fan install in the right part of test tube, the left test tube of fan on be equipped with the detection chamber, enrichment device install in the detection chamber, gas sensor install in the detection chamber outside enrichment device, and the detection chamber at gas sensor rear portion communicates with the test tube on fan right side through the connecting tube, the sensor be connected with control panel electricity;
the enrichment device comprises a ceramic tube and a sponge ring, wherein the ceramic tube is fixedly arranged in a detection tube at the position of the detection cavity, the inner diameter of the ceramic tube is the same as that of the detection tube, a plurality of enrichment holes which are obliquely arranged are formed in the ceramic tube, and the sponge ring is sleeved on the outer wall of the ceramic tube.
2. The self-trapping toxic gas detection device of claim 1, wherein: and an alarm and a storage battery are also arranged in the detection box, and the alarm and the storage battery are electrically connected with the control panel.
3. The self-trapping toxic gas detection device of claim 1, wherein: the inclination direction of the enrichment hole is the same as the direction of the air flow in the detection tube.
4. The self-trapping toxic gas detection device of claim 1, wherein: the left end of the detection tube is also sleeved with an air inlet tube which is L-shaped and is arranged on the inner wall of the detection box through a bearing seat.
5. The self-trapping toxic gas detection device of claim 4, wherein: the outer wall of the air inlet pipe is also provided with a gear ring, a driving motor is arranged in the detection box, a rotating shaft of the driving motor is provided with a gear disc meshed with the gear ring, and the driving motor is electrically connected with the control panel.
6. The self-trapping toxic gas detection device of claim 5, wherein: the sliding rail is movably inserted into the rear part of the detection box, a groove is formed in the sliding rail, teeth are arranged on the surface of the groove, and the teeth are meshed with the gear disc.
7. The self-trapping toxic gas detection device of claim 1, wherein: the base lower surface on be equipped with the rubber pad, the middle part of rubber pad form the cavity, the upper surface of the rubber pad of cavity department be equipped with the rubber column that passes the base.
CN202110970158.1A 2021-08-23 2021-08-23 From catching poisonous gas check out test set Active CN113588888B (en)

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Application Number Priority Date Filing Date Title
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CN113588888B true CN113588888B (en) 2023-11-24

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204255932U (en) * 2014-12-10 2015-04-08 中国科学院苏州生物医学工程技术研究所 A kind of portable micro gas detecting system
CN109331564A (en) * 2018-11-05 2019-02-15 义乌市爱釜义自动化科技有限公司 A kind of device of composite adsorption microwave recycling or pyrolysis processing organic exhaust gas
CN110849680A (en) * 2019-12-17 2020-02-28 北京市劳动保护科学研究所 Gas enrichment device
CN111781251A (en) * 2020-05-25 2020-10-16 江苏国测检测技术有限公司 Device for measuring content of low-concentration gas in flue gas
CN212060130U (en) * 2020-01-14 2020-12-01 南京瑞途优特信息科技有限公司 Colliery is air quality detection device in pit based on remote control
CN212206786U (en) * 2020-05-27 2020-12-22 牛克 Portable atmospheric environment sampling detection device
CN213147714U (en) * 2020-10-30 2021-05-07 曲阜市翔天机械有限公司 Auxiliary measurement accessory tool for automobile accessory detection
CN213954896U (en) * 2020-11-18 2021-08-13 辽宁格林云科环保科技有限公司 Air environment monitoring terminal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10125837B4 (en) * 2001-05-25 2005-02-24 Wma Airsense Analysentechnik Gmbh Gas detector for detecting gaseous compounds

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204255932U (en) * 2014-12-10 2015-04-08 中国科学院苏州生物医学工程技术研究所 A kind of portable micro gas detecting system
CN109331564A (en) * 2018-11-05 2019-02-15 义乌市爱釜义自动化科技有限公司 A kind of device of composite adsorption microwave recycling or pyrolysis processing organic exhaust gas
CN110849680A (en) * 2019-12-17 2020-02-28 北京市劳动保护科学研究所 Gas enrichment device
CN212060130U (en) * 2020-01-14 2020-12-01 南京瑞途优特信息科技有限公司 Colliery is air quality detection device in pit based on remote control
CN111781251A (en) * 2020-05-25 2020-10-16 江苏国测检测技术有限公司 Device for measuring content of low-concentration gas in flue gas
CN212206786U (en) * 2020-05-27 2020-12-22 牛克 Portable atmospheric environment sampling detection device
CN213147714U (en) * 2020-10-30 2021-05-07 曲阜市翔天机械有限公司 Auxiliary measurement accessory tool for automobile accessory detection
CN213954896U (en) * 2020-11-18 2021-08-13 辽宁格林云科环保科技有限公司 Air environment monitoring terminal

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