CN112285289A - Device for detecting distribution characteristics of gas in limited space - Google Patents
Device for detecting distribution characteristics of gas in limited space Download PDFInfo
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- CN112285289A CN112285289A CN202011145098.1A CN202011145098A CN112285289A CN 112285289 A CN112285289 A CN 112285289A CN 202011145098 A CN202011145098 A CN 202011145098A CN 112285289 A CN112285289 A CN 112285289A
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- 239000004677 Nylon Substances 0.000 claims abstract description 20
- 229920001778 nylon Polymers 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 238000012549 training Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 73
- 238000000034 method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
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Abstract
The invention discloses a device for detecting the distribution characteristics of gas in a limited space, which relates to the technical field of detecting the distribution of the gas in the limited space and comprises a cylinder and gas measuring equipment, wherein a top cover is arranged at the upper port of the cylinder; the gas measuring equipment comprises a gas measuring instrument, a fixing clamp, a sliding rail, a remote control motor, a bobbin and a nylon wire, wherein the sliding rail is arranged inside the barrel, the gas measuring instrument is arranged on the fixing clamp, the fixing clamp is slidably connected onto the sliding rail, the remote control motor is arranged on the top cover, the bobbin is arranged on a motor shaft of the remote control motor, and two ends of the nylon wire are respectively connected with the bobbin and the fixing clamp. The gas distribution measuring instrument has low manufacturing cost, is not influenced by factors such as time, field, equipment and the like, can enable students to visually know the gas distribution characteristics of a limited space, improves the training efficiency of the students, has three measuring modes, and is suitable for different gas measuring instruments.
Description
Technical Field
The invention relates to the technical field of detection of gas distribution in a limited space, in particular to a device for detecting gas distribution characteristics in the limited space.
Background
Different gases have different characteristics, a plurality of safety specifications stipulate the oxygen content of a limited space, people know the danger of oxygen deficiency to a certain extent, the distribution situation of the gases in the limited space is still not enough, and a rapid detection system specially aiming at the gas concentration of different parts in the space is also lacked. The lack of a means of detecting the concentration of different gases at different locations in a confined space has greatly limited the study of confined space safety.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a device for detecting the distribution characteristics of gas in a restricted space, which solves the technical problem that there is no way to visually observe the distribution characteristics of gas in the restricted space when training a trainee to know the distribution characteristics of gas in the restricted space, and can meet the training requirements of the trainee, ensure the safety of the trainee, improve the training efficiency, and enable the trainee to visually observe the distribution characteristics of gas in the restricted space.
In order to achieve the purpose, the invention adopts the technical scheme that:
a device for detecting the distribution characteristics of gas in a limited space comprises a cylinder body and gas measuring equipment, wherein a top cover is arranged at the upper port of the cylinder body, a closed cavity is enclosed by the cylinder body and the top cover, a scale for indicating the height is arranged on the cylinder body, a circular operating hole is formed in one side of the top cover, an operating hole cover is arranged at the circular operating hole, a plurality of measuring holes are distributed on the side wall of the cylinder body along the vertical direction at equal intervals, spiral plugs are arranged in the measuring holes, hoses can be inserted into the circular operating hole and the measuring holes, the gas measuring equipment comprises a gas measuring instrument, a fixing clamp, a sliding rail, a remote control motor, a bobbin and a nylon wire, the sliding rail is vertically arranged in the cylinder body, the gas measuring instrument is arranged on the fixing clamp, the fixing clamp is slidably connected onto the sliding rail, and the remote control motor is arranged on the upper surface of the top cover, the spool is installed on the motor shaft of remote control motor, the nylon wire runs through the top cap, the upper end of nylon wire with the spool is connected, the lower extreme of nylon wire with the fixation clamp is connected.
An apparatus for detecting a gas distribution characteristic in a confined space as described above, wherein said gas meter comprises:
the sensing detection unit is used for detecting a gas medium and converting the gas medium into a weak electric signal after detecting the gas medium;
the electric signal amplifying and filtering unit is used for amplifying the electric signal, then carrying out filtering processing and extracting analog quantity information;
the sampling and analog-to-digital conversion unit is used for discretely quantizing the analog quantity information and converting the analog quantity information into corresponding digital signals;
the device comprises a parameter setting and resetting unit, a parameter setting and resetting unit and a control unit, wherein the parameter setting and resetting unit is provided with an alarm threshold;
the parameter setting and resetting unit sends the alarm threshold value to the microprocessor unit, the microprocessor unit is used for judging the relation between the digital signal and the alarm threshold value, when the digital signal exceeds the alarm threshold value, the microprocessor unit drives the sound-light alarm unit to alarm, and the microprocessor unit drives the screen display unit to display alarm information;
the microprocessor unit is in communication connection with an upper computer through the communication interface unit, and sends the alarm information to the upper computer or receives an instruction to eliminate the alarm;
the sensing detection unit, the electric signal amplification and filtering unit, the sampling and analog-to-digital conversion unit and the microprocessor unit are sequentially in signal connection, and the parameter setting and resetting unit, the sound-light alarm unit for alarming, the screen display unit and the communication interface unit are all in signal connection with the microprocessor unit.
The device for detecting the gas distribution characteristics in the limited space further comprises a remote controller, wherein the remote controller is used for remotely controlling the remote control motor.
The device for detecting the gas distribution characteristics in the limited space is characterized in that a small pulley is fixed on the upper surface of the top cover, and the nylon wire is wound on the small pulley.
The device for detecting the gas distribution characteristic of the limited space is characterized in that a first handle is arranged on the outer wall of the cylinder, and a second handle is arranged on the upper surface of the top cover.
The device for detecting the distribution characteristics of the gas in the limited space is characterized in that the cylinder body is made of acrylic.
Due to the adoption of the technology, compared with the prior art, the invention has the following positive effects:
(1) the device for detecting the gas distribution characteristics of the limited space has the advantages of low manufacturing cost, easy operation, no influence of factors such as time, field, equipment and the like, can economically, time-saving, flexibly and accurately enable students to have visual understanding of the gas distribution characteristics of the limited space, and improves the training efficiency and the training effect of the students.
(2) The gas measuring instrument has the advantages of higher ventilation speed, more accurate and visual measurement, three measurement modes, suitability for different gas measuring instruments, solving the problem of limitation of the device on the gas measuring instrument, and more comprehensive and repeatable measurement.
(3) The device for detecting the distribution characteristics of the gas in the limited space has the advantages that the measurement process can be remotely controlled, data obtained by measurement of a student can be directly read from the screen display unit, statistical analysis can be carried out on the measurement data, and the objectivity and the accuracy of a measurement result are ensured.
Drawings
FIG. 1 is a schematic diagram of an apparatus for detecting a gas distribution characteristic in a confined space according to the present invention.
Fig. 2 is a structural view of the gas meter of the present invention.
Reference numerals: 1. a barrel; 11. a top cover; 12. a scale; 13. an operation hole cover; 14. a first handle; 15. a second handle; 2. a hose; 31. a gas meter; 32. a fixing clip; 33. a slide rail; 34. a remote control motor; 35. a bobbin; 36. a nylon thread; 37. a remote controller; 38. a small pulley; 41. a first measuring hole; 42. a second measuring hole; 43. a third measuring hole; 44. a fourth measuring hole; 45. and a fifth measuring hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings and specific embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "upper" and "lower", "inner" and "outer" as used herein are defined with reference to the relative positions of the components in the drawings of the present invention only for the clarity and convenience of the description of the technical solutions, and it should be understood that the application of the terms should not be construed as limiting the scope of the present application.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the device for detecting a gas distribution characteristic in a limited space provided by an embodiment of the present invention includes a cylinder 1 and a gas measurement device, the cylinder 1 is a cylinder structure with an open upper end, a top cover 11 is disposed at the upper end of the cylinder 1, the top cover 11 can be opened, when the top cover 11 covers the upper end of the cylinder 1, a closed cavity is enclosed between the cylinder 1 and the top cover 11 to form the limited space for detecting the gas distribution characteristic, in order to move the cylinder 1 and the top cover 11, a first handle 14 is disposed on an outer wall of the cylinder 1, and a second handle 15 is disposed on an upper surface of the top cover 11.
Wherein, the material of barrel 1 is ya keli, its inside situation can be observed to transparent barrel 1, be equipped with height indicating scale 12 on the barrel 1, circular operation hole has been seted up to one side of top cap 11, circular operation hole department is equipped with operation handhole door 13, operation handhole door 13 can be opened or closed, it has a plurality of measuring orifices to distribute along vertical equidistance on the lateral wall of barrel 1, all be equipped with the spiral stopper in a plurality of measuring orifices, hose 2 can be inserted to the downthehole homoenergetic of circular operation hole and a plurality of measuring, hose 2 is connected with outside gas measurement appearance 31, with the gas distribution characteristic in the measurement barrel 1.
Gaseous measuring equipment includes gaseous measuring apparatu 31, fixation clamp 32, slide rail 33, remote control motor 34, spool 35 and nylon wire 36, slide rail 33 is inside barrel 1 along vertical setting, gaseous measuring apparatu 31 is installed on fixation clamp 32, fixation clamp 32 slidable connection is on slide rail 33, remote control motor 34 is installed at the upper surface of top cap 11, spool 35 is installed on remote control motor 34's motor shaft, nylon wire 36 runs through top cap 11, the upper end and the spool 35 of nylon wire 36 are connected, the lower extreme and the fixation clamp 32 of nylon wire 36 are connected.
The device for detecting the distribution characteristics of the gas in the limited space comprises three measuring modes, can select a corresponding type of gas measuring instrument 31 according to the type of the gas in the cylinder body 1, can select a plurality of measuring instruments to compare, and ensures the accuracy of the measuring result through comparison and verification.
The first measurement mode is as follows: by using the gas measuring equipment, the gas measuring instrument 31 is arranged on the slide rail 33 through the fixing clamp 32, the motor shaft of the remote control motor 34 drives the spool 35 to rotate, the nylon wire 36 pulls the fixing clamp 32 to move up and down along the slide rail 33 so as to adjust the height of the gas measuring instrument 31, and the gas concentrations at different heights in the cylindrical barrel 1 can be safely and effectively measured; the first measurement mode has the following advantages that (1) an experimenter is far away from an experimental device, so that the safety of the measurement process is improved; (2) the specific position to be measured at present can be determined by referring to the position of the gas measuring instrument 31 and the scale 12 on the side wall of the cylinder 1, so that the measurement is more accurate; (3) the slide rail 33 vertically penetrates through the whole cylinder 1, and the gas measuring instrument 31 can freely move on the slide rail 33 through the fixing clamp 32, so that the gas concentration at any height in the cylinder 1 can be measured.
The second measurement mode is as follows: when the ship measures the gas concentration, the most practical method is to put the hose 2 into the circular operation hole on the top cover 11, the hose 2 is connected with the gas measuring instrument 31, the personnel can directly read the gas concentration in the gas measuring instrument 31 outside the cylinder 1, and the operation hole cover 13 of the circular operation hole can be screwed when the gas concentration is not measured, so that the air tightness of the device is ensured.
The third measurement mode is as follows: the gas concentration of the inner side wall of the cylinder 1 with the corresponding height can be measured through the plurality of measuring holes in the side wall of the cylinder 1, the screw plug can be screwed when the gas concentration is not measured, the plurality of measuring holes can also be used as gas leading-in holes, and simultaneously, the measured gas can also be led into the cylinder 1 through the circular operation hole of the top cover 11.
Referring to fig. 2, the gas meter 31 includes: the sensing detection unit is used for detecting a gas medium and converting the gas medium into a weak electric signal after detecting the gas medium; the electric signal amplifying and filtering unit is used for amplifying the electric signal, then carrying out filtering processing and extracting analog quantity information; the sampling and analog-to-digital conversion unit is used for discretely quantizing the analog quantity information and converting the analog quantity information into corresponding digital signals; the parameter setting and resetting unit is provided with an alarm threshold value; the parameter setting and resetting unit sends an alarm threshold value to the microprocessor unit, the microprocessor unit is used for judging the relation between the digital signal and the alarm threshold value, when the digital signal exceeds the alarm threshold value, the microprocessor unit drives the sound-light alarm unit to alarm, and the microprocessor unit drives the screen display unit to display alarm information; the microprocessor unit is in communication connection with the upper computer through the communication interface unit, and can send alarm information to the upper computer or receive an instruction to eliminate the alarm through wireless or wired communication.
Further optimize above-mentioned embodiment, the device model of sensing detection unit is MQ series, the device model of electric signal amplification and filtering unit is AD8002, the device model of sampling and analog-to-digital conversion unit is TLC1543, the device model of microprocessor unit is ATMega16, the device model of parameter setting and reset unit is intel 8279, the device model of acousto-optic alarm unit is max7219, the device model of screen display unit is LCD12864, the device model of communication interface unit is: USB, RS232, and WLAN.
Furthermore, the sensing detection unit, the electric signal amplification and filtering unit, the sampling and analog-to-digital conversion unit and the microprocessor unit are sequentially in signal connection, and the parameter setting and resetting unit, the sound-light alarm unit, the screen display unit and the communication interface unit are all in signal connection with the microprocessor unit.
In addition, the gas measuring apparatus further includes a remote controller 37, and the remote controller 37 is configured to remotely control the remote control motor 34 and is capable of controlling the forward rotation, the reverse rotation, or the stop of the remote control motor 34. The remote controller 37 is provided with keys, when the keys are pressed, the parameter setting unit and the reset unit are triggered, the parameter setting unit and the reset unit send reset information to the microprocessor unit, and the microprocessor unit controls the sound-light alarm unit to eliminate alarm.
The small pulley 38 is fixed on the upper surface of the top cover 11, the nylon wire 36 is wound on the small pulley 38, and the nylon wire 36 drawn out from the cylinder 1 changes the direction through the small pulley 38 and is connected with the bobbin 35.
Further optimize above-mentioned embodiment, along vertical equidistance distribution on the lateral wall of barrel 1 there are five measuring holes, be first measuring hole 41, second measuring hole 42, third measuring hole 43, fourth measuring hole 44 and fifth measuring hole 45 respectively, and barrel 1 can be connected with the gas measurement appearance 31 outside barrel 1 through five measuring holes to measure the gas distribution characteristic.
In this embodiment, the bottom is equipped with convex O type groove in barrel 1, and the lower surface protrusion of top cap 11 has O type groove, and the upper and lower both ends of slide rail 33 set up respectively in two O type inslots, and slide rail 33 stable in structure has the spout on the slide rail 33, is equipped with the slider on the fixation clamp 32, and the slider card is established in the spout, and the slider can slide from top to bottom in the spout.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
further, referring to fig. 1, a method for using the apparatus for detecting a gas distribution characteristic in a confined space according to a preferred embodiment is shown, taking the measurement of an oxygen distribution in a confined space as an example, and the method is described as follows:
si: opening a first measuring hole 41, a second measuring hole 42, a third measuring hole 43, a fourth measuring hole 44 and a fifth measuring hole 45, introducing a certain amount of carbon dioxide gas, then covering a screw plug, and standing for a period of time;
sii: opening the gas measuring instrument 31, standing in fresh air for a period of time, opening the top cover 11, fixing the gas measuring instrument 31 on the fixing clamp 32, closing the top cover 11, and moving the gas measuring instrument 31 and the fixing clamp 32 on the slide rail 33 by operating the remote control motor 34;
siii: taking the scale 12 on the reference cylinder 1 as a measuring point at a certain interval, recording measured data, taking the scale as a measuring point with the same height as the five measuring holes, recording the measured data, taking the gas measuring instrument 31 out after the measurement is finished, and closing the gas measuring instrument 31;
siv: opening the gas measuring instrument 31, standing in fresh air for a period of time, respectively opening a first measuring hole 41, a second measuring hole 42, a third measuring hole 43, a fourth measuring hole 44 and a fifth measuring hole 45, and respectively measuring data at each position;
sv: the measured data of step Siii and step Siv are combined to analyze the characteristics of the oxygen distribution in the confined space.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 detect device of limited space gas distribution characteristic, includes barrel (1) and gas measurement equipment, the last port of barrel (1) is provided with top cap (11), barrel (1) with top cap (11) enclose into airtight cavity, its characterized in that:
the height indicating device is characterized in that a scale (12) for indicating the height is arranged on the barrel body (1), a circular operation hole is formed in one side of the top cover (11), an operation hole cover (13) is arranged at the circular operation hole, a plurality of measuring holes are distributed on the side wall of the barrel body (1) along the vertical direction at equal intervals, spiral plugs are arranged in the measuring holes, and hoses (2) can be inserted into the circular operation hole and the measuring holes;
gaseous measuring equipment includes gaseous measuring apparatu (31), fixation clamp (32), slide rail (33), remote control motor (34), spool (35) and nylon wire (36), slide rail (33) are along vertical setting inside barrel (1), gaseous measuring apparatu (31) are installed on fixation clamp (32), but fixation clamp (32) sliding connection in on slide rail (33), remote control motor (34) are installed the upper surface of top cap (11), spool (35) install in on the motor shaft of remote control motor (34), top cap (11) is run through in nylon wire (36), the upper end of nylon wire (36) with spool (35) are connected, the lower extreme of nylon wire (36) with fixation clamp (32) are connected.
2. The apparatus for detecting a confined space gas distribution characteristic as claimed in claim 1 wherein the gas meter (31) comprises:
the sensing detection unit is used for detecting a gas medium and converting the gas medium into a weak electric signal after detecting the gas medium;
the electric signal amplifying and filtering unit is used for amplifying the electric signal, then carrying out filtering processing and extracting analog quantity information;
the sampling and analog-to-digital conversion unit is used for discretely quantizing the analog quantity information and converting the analog quantity information into corresponding digital signals;
the device comprises a parameter setting and resetting unit, a parameter setting and resetting unit and a control unit, wherein the parameter setting and resetting unit is provided with an alarm threshold;
the parameter setting and resetting unit sends the alarm threshold value to the microprocessor unit, the microprocessor unit is used for judging the relation between the digital signal and the alarm threshold value, when the digital signal exceeds the alarm threshold value, the microprocessor unit drives the sound-light alarm unit to alarm, and the microprocessor unit drives the screen display unit to display alarm information;
the microprocessor unit is in communication connection with an upper computer through the communication interface unit, and sends the alarm information to the upper computer or receives an instruction to eliminate the alarm;
the sensing detection unit, the electric signal amplification and filtering unit, the sampling and analog-to-digital conversion unit and the microprocessor unit are sequentially in signal connection, and the parameter setting and resetting unit, the sound-light alarm unit for alarming, the screen display unit and the communication interface unit are all in signal connection with the microprocessor unit.
3. The apparatus for detecting a gas distribution characteristic in a confined space as claimed in claim 1 wherein said gas measurement device further comprises a remote control (37), said remote control (37) being adapted to remotely control said remote motor (34).
4. The apparatus for detecting the gas distribution characteristics in a confined space as claimed in claim 1 wherein a small pulley (38) is fixed to the upper surface of said top cover (11), and said nylon wire (36) is wound around said small pulley (38).
5. The apparatus for detecting the gas distribution characteristics in a confined space as claimed in claim 1, characterized in that a first handle (14) is provided on the outer wall of said cylinder (1) and a second handle (15) is provided on the upper surface of said top cover (11).
6. The device for detecting the gas distribution characteristics in the limited space according to claim 1, wherein the cylinder (1) is made of acrylic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145098.1A CN112285289A (en) | 2020-10-23 | 2020-10-23 | Device for detecting distribution characteristics of gas in limited space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145098.1A CN112285289A (en) | 2020-10-23 | 2020-10-23 | Device for detecting distribution characteristics of gas in limited space |
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| Publication Number | Publication Date |
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| CN112285289A true CN112285289A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011145098.1A Pending CN112285289A (en) | 2020-10-23 | 2020-10-23 | Device for detecting distribution characteristics of gas in limited space |
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| CN (1) | CN112285289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999119A (en) * | 2022-05-24 | 2022-09-02 | 江苏省盐城技师学院 | Limited space gas alarm system and method based on transmission function of Internet of things |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9612195B1 (en) * | 2015-11-11 | 2017-04-04 | Bert Friedman | Gas detector and method for monitoring gas in a confined space |
| CN107240339A (en) * | 2017-07-07 | 2017-10-10 | 江苏子辰教育设备有限公司 | A kind of gas pressure intensity teaching demonstration instrument |
| CN108694870A (en) * | 2017-03-31 | 2018-10-23 | 国家工伤保险机构 | For be restricted and/or the environment of pollution under a cloud in the simulator that gives training |
| CN208297466U (en) * | 2018-06-26 | 2018-12-28 | 宋学飞 | A kind of enclosure space surrounding air safety detector |
| CN111009165A (en) * | 2019-12-31 | 2020-04-14 | 宁夏石化银骏安全技术咨询有限公司 | Practice training system for operation in limited space |
-
2020
- 2020-10-23 CN CN202011145098.1A patent/CN112285289A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9612195B1 (en) * | 2015-11-11 | 2017-04-04 | Bert Friedman | Gas detector and method for monitoring gas in a confined space |
| CN108694870A (en) * | 2017-03-31 | 2018-10-23 | 国家工伤保险机构 | For be restricted and/or the environment of pollution under a cloud in the simulator that gives training |
| CN107240339A (en) * | 2017-07-07 | 2017-10-10 | 江苏子辰教育设备有限公司 | A kind of gas pressure intensity teaching demonstration instrument |
| CN208297466U (en) * | 2018-06-26 | 2018-12-28 | 宋学飞 | A kind of enclosure space surrounding air safety detector |
| CN111009165A (en) * | 2019-12-31 | 2020-04-14 | 宁夏石化银骏安全技术咨询有限公司 | Practice training system for operation in limited space |
Non-Patent Citations (1)
| Title |
|---|
| 煤炭工业职业技能鉴定指导中心: "《矿山救护工》", 31 March 2018, 煤炭工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999119A (en) * | 2022-05-24 | 2022-09-02 | 江苏省盐城技师学院 | Limited space gas alarm system and method based on transmission function of Internet of things |
| CN114999119B (en) * | 2022-05-24 | 2023-09-12 | 江苏省盐城技师学院 | Restricted space gas alarm system and method based on internet of things transmission function |
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Application publication date: 20210129 |
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| RJ01 | Rejection of invention patent application after publication |