CN112684115A - Fixed toxic gas detector - Google Patents
Fixed toxic gas detector Download PDFInfo
- Publication number
- CN112684115A CN112684115A CN202011533577.0A CN202011533577A CN112684115A CN 112684115 A CN112684115 A CN 112684115A CN 202011533577 A CN202011533577 A CN 202011533577A CN 112684115 A CN112684115 A CN 112684115A
- Authority
- CN
- China
- Prior art keywords
- gas
- toxic gas
- gas detector
- flange
- stationary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002341 toxic gas Substances 0.000 title claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 83
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 13
- 239000002808 molecular sieve Substances 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 11
- 238000012544 monitoring process Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- -1 chemical engineering Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Abstract
The invention discloses a fixed toxic gas detector which comprises an upper cover and a lower cover, wherein explosion-proof glass is arranged in the middle of the upper cover, the lower cover is connected with a first connecting support and a second connecting support, the first connecting support is connected with an audible and visual alarm, a cable and a first flange, the rear end of the first flange is connected with a first gas sensor, the first gas sensor is sleeved with a connecting sleeve, a vacuum air suction pump is arranged inside the connecting sleeve, the second connecting support is connected with a human body induction sensor and a second flange, the second gas sensor is connected above the second flange, a display panel is arranged at the lower end of the upper cover, and a signal processing module is arranged below the display panel. The invention has the beneficial effects that: gaseous efficiency and the precision that detects are high, and the gas vent is connected with the clarifier simultaneously, can realize exhaust gas's purification, prevents that toxic gas from being absorbed by the human body and leading to the staff to be poisoned, improves the security.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a fixed toxic gas detector.
Background
With the rapid development of industry and economy in China, air pollution is becoming more and more serious, and the monitoring of pollutants in the air becomes an important work for environmental monitoring in China. With the increase of the monitoring intensity of the atmosphere pollution environment, the research and development and the use requirements of the first gas sensor are higher and higher. The gas detector is a gas detector carrying a first gas sensor, is used for detecting gas leakage concentration, is mainly applied to industries such as petroleum, chemical engineering, coal mines, archaeology and the like, seriously-polluted factories, toxic gas leakage fields and the like, and is used for monitoring gas components, concentration and leakage sources. The gas detector comprises a portable gas detector and a fixed gas detector, the existing fixed gas detector mostly adopts diffusion type detection, gas molecules dissociating in the air are detected when passing through the detector, and the detection efficiency is low and the error is large. Some detectors increase 4G, 5G module, but 4G, 5G module need increase the flow, increase the cost, and current solid detector only passes through the power supply, can't work under the circumstances of outage.
Disclosure of Invention
The present invention is directed to a stationary toxic gas detector, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a fixed toxic gas detector comprises an upper cover and a lower cover, wherein explosion-proof glass is arranged in the middle of the upper cover, the upper cover is in threaded connection with the lower cover, a first connecting support is connected to the rear end of the lower cover, a second connecting support is connected to the front end of the lower cover, an audible and visual alarm is connected to the left end of the first connecting support, a cable is connected to the right end of the first connecting support, a first flange is connected to the rear end of the first connecting support, a first gas sensor is connected to the rear end of the first flange, a connecting sleeve is sleeved on the first gas sensor, a vacuum air suction pump is arranged inside the connecting sleeve, a human body induction sensor is connected to the front end of the second connecting support, a second flange is arranged above the middle of the second connecting support, a second gas sensor is connected to the upper side of the second flange, a display panel is arranged at the lower end of the upper cover, and a signal processing module is arranged below the display panel.
Preferably, the rear end of the vacuum air suction pump is provided with an air inlet pipe, the air inlet of the vacuum air suction pump is connected with an air suction nozzle, the air suction nozzle is designed in a spherical shape, and a plurality of round holes are formed in the air suction nozzle.
Preferably, the front end of the vacuum air suction pump is provided with an air outlet pipe which is connected with the connecting sleeve, and a molecular sieve is arranged at the joint of the air outlet pipe and the connecting sleeve.
Further preferably, the connecting sleeve is in threaded connection with the first flange, an exhaust port is formed in the lower end of the connecting sleeve, and the exhaust port is connected with a purifier through a pipeline.
Further preferably, the display panel is sequentially provided with a display lamp, a fool-proof mark, a button and a fool-proof mark along the circumferential direction, and the middle of the display panel is provided with a liquid crystal display screen.
Preferably, the signal processing module is connected with the audible and visual alarm, the first gas sensor, the vacuum suction pump, the cable, the human body induction sensor, the display panel and the second gas sensor.
Further preferably, the first connecting bracket is of a T-shaped structure and is integrally designed with the lower cover.
Further preferably, the joints of the air inlet pipe and the air outlet pipe with the vacuum air suction pump are provided with air path one-way valves.
Further preferably, the molecular sieve comprises a multi-layer molecular sieve membrane.
Further preferably, a storage battery is arranged in the lower cover and is arranged below the signal processing module.
Advantageous effects
According to the fixed toxic gas detector, the concentration of gas can be improved through the vacuum air suction pump, the air suction range and direction can be increased through the air suction nozzle, the detected gas can be purified through the molecular sieve, the interference of other gases is reduced, the gas detection efficiency and precision are improved, meanwhile, the accuracy of gas detection is ensured through the two gas sensors, the exhaust port is connected with the purifier, the purification of the exhausted gas can be realized, the toxic gas is prevented from being absorbed by a human body to cause poisoning of working personnel, and the safety is improved.
Drawings
FIG. 1 is a top view of a stationary toxic gas detector according to an embodiment of the present invention;
FIG. 2 is a bottom view of a stationary toxic gas detector according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a stationary toxic gas detector according to an embodiment of the present invention.
Reference numerals
1-an upper cover, 2-a first connecting support, 3-an audible and visual alarm, 4-a first flange, 5-a first gas sensor, 6-a connecting sleeve, 7-a vacuum air suction pump, 8-an air suction nozzle, 9-an air inlet pipe, 10-an air outlet pipe, 11-a molecular sieve, 12-a cable, 13-a second connecting support, 14-a human body induction sensor, 15-an air outlet, 16-a lower cover, 17-explosion-proof glass, 18-a display panel, 19-a signal processing module, 20-a storage battery, 21-a second flange and 22-a second gas sensor.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, a fixed toxic gas detector comprises an upper cover 1 and a lower cover 16, wherein an explosion-proof glass 17 is arranged in the middle of the upper cover 1, the upper cover 1 is connected with the lower cover 16 by a screw, a first connecting support 2 is connected with the rear end of the lower cover 16, a second connecting support 13 is connected with the front end of the lower cover 16, an audible and visual alarm 3 is connected with the left end of the first connecting support 2, a cable 12 is connected with the right end of the first connecting support 2, a first flange 4 is connected with the rear end of the first connecting support 2, a first gas sensor 5 is connected with the rear end of the first flange 4, a connecting sleeve 6 is sleeved on the first gas sensor 5, a vacuum suction pump 7 is arranged in the connecting sleeve 6, a human body induction sensor 14 is connected with the front end of the second connecting support 13, a second flange 21 is arranged above the middle of the second connecting support 13, a second gas sensor 22 is connected above the second flange 21, a display panel 18 is arranged at the lower end of the upper cover 1, and a signal processing module 19 is arranged below the display panel 18.
In this embodiment, the gas detector is suitable for monitoring specific toxic gas in a specific place, and prevents toxic gas leakage. The first gas sensor 5 and the second gas sensor 22 are the same type of gas sensor. The vacuum suction pump 7 accelerates the suction of the surrounding air, so that the air is gathered in the connecting sleeve 6 and detected by the first gas sensor 5, and whether the air contains the gas to be detected or not can be quickly detected. Since the concentration of the gas detected by the first gas sensor 5 is much higher than the concentration of the gas in the actual air and the gas containing the same harmful elements is easily detected, it is impossible to actually determine whether there is the gas to be detected and the actual concentration of the gas. At this time, the data detected by the second gas sensor 22 can determine whether the gas and the actual concentration of the gas are present. The display panel 18 will display the data detected by the first gas sensor 5 and the second gas sensor 22, if the detected data of the first gas sensor 5 displayed on the display panel 18 is 0, it is proved that the air does not contain the gas to be detected; if the displayed first gas sensor 5 detects the gas, but the detection data of the second gas sensor 22 is not displayed, it is proved that the gas to be detected is not contained in the air; if the detected data of the second gas sensor 22 is displayed, it is proved that the gas to be detected is contained in the air, and if the set detected gas is contained in the air, the audible and visual alarm 3 gives an alarm, outputs the alarm information through the cable 12, and informs an industrial control system or a microcomputer such as a PLC/DCS connected with the alarm. Vacuum aspirator pump 7 can last work 15000 ~ 20000 hours, long service life, and the structure is small and exquisite, the installation of being convenient for.
In this embodiment, gas detection appearance adopts battery, the automatic switch power supply system of power, and when not having a power failure, alternating current power supply priority supplies power, and battery 20 is reserve, and when having a power failure, can automatic switch to the battery power supply, guarantees that the detector can continuous work.
In this embodiment, human body sensor 14 can detect whether someone is close to, and when someone is close to the detector, human body sensor 14 can transmit sensing signal to signal processing module 19, signal processing module 19 is according to the automatic bright screen of signal information control display panel 18, lets the people who is close to can clearly observe the information that shows on the display panel 18. When a person is far away from the detector for a period of time, the human body induction sensor 14 cannot detect information, and the signal processing module 19 controls the display panel 18 to turn off the lamp set of the display panel 18.
Preferably, the rear end of the vacuum aspirator pump 7 is provided with an air inlet pipe 9, the air inlet of the vacuum aspirator pump is connected with an aspirator 8, the aspirator 8 adopts a spherical design, and a plurality of round holes are formed in the aspirator 8. The suction nozzle 8 can increase the suction range and direction, increase the suction capacity of the vacuum suction pump 7, change the problem that only one suction port is small in suction in the prior art, and meanwhile, the lower end of the suction nozzle 8 is not provided with an air inlet, so that dust and sundries on the ground are prevented from being sucked, and the blockage of the suction nozzle 8 is prevented.
Simultaneously, the suction nozzle 8 can add all around and establish the round filter screen, prevents that big dust, debris etc. from blockking up suction nozzle 8, causes the aspirator pump 8 to damage even, and spherical suction nozzle 8 dismantles conveniently, is convenient for wash.
Preferably, the front end of the vacuum getter pump 7 is provided with an air outlet pipe 10 connected with the connecting sleeve 6, a molecular sieve 11 is arranged at the joint of the air outlet pipe 10 and the connecting sleeve 6, the molecular sieve 11 is used for filtering water molecules in the gas and gas molecules which do not need to be detected, the concentration of the gas which needs to be detected is increased, and the detection precision and efficiency are improved.
Preferably, the connecting sleeve 6 is screwed with the first flange 4, the lower end of the connecting sleeve 6 is provided with an exhaust port 15, the exhaust port 15 is connected with a purifier through a pipeline, and the purifier is used for exhausting and purifying gas to prevent high-concentration harmful gas at the detector from being absorbed by a close human body.
Preferably, the display panel 18 is sequentially provided with a display lamp, a fool-proof mark, a button and a fool-proof mark along the circumferential direction, a liquid crystal display screen is arranged in the middle of the display panel 18, the display lamp is used for displaying whether the gas detector operates normally, the button comprises a switch button and a reset button, and the liquid crystal display screen can display the concentration of the detected gas.
Preferably, the signal processing module 19 is connected with the audible and visual alarm 3, the first gas sensor 5, the vacuum suction pump 7, the cable 12, the human body induction sensor 14, the display panel 18 and the second gas sensor 22, the gas concentration induced by the gas sensor 5 can be transmitted to an industrial control system or a microcomputer end such as a PLC/DCS through the cable 12, and a worker at the industrial control system or the microcomputer end such as the PLC/DCS can process a message when receiving an alarm signal.
Preferably, the first connecting bracket 2 is of a T-shaped structure and is integrally designed with the lower cover 16, so that the production and installation are convenient.
Preferably, the joints of the air inlet pipe 9 and the air outlet pipe 10 with the vacuum getter pump 7 are both provided with air path check valves, so that air can be ensured to circulate along a set direction.
Preferably, the molecular sieve 11 comprises a plurality of molecular sieve membranes for blocking water molecules and other non-detection gas molecules, reducing detection interference and improving detection sensitivity.
Preferably, be equipped with battery 20 in the lower cover 16, it sets up in the below of signal processing module 19 for supply power for gas detector when the outage, guarantee that gas detector can continuous operation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the scope of the protection of the present invention.
Claims (10)
1. The utility model provides a fixed toxic gas detector, includes upper cover (1), lower cover (16), the centre of upper cover (1) is equipped with explosion-proof glass (17), upper cover (1) and lower cover (16) spiro union, its characterized in that: the rear end of the lower cover (16) is connected with a first connecting support (2), the front end of the lower cover (16) is connected with a second connecting support (13), the left end of the first connecting support (2) is connected with an audible and visual alarm (3), the right end of the first connecting support (2) is connected with a cable (12), the rear end of the first connecting support (2) is connected with a first flange (4), the rear end of the first flange (4) is connected with a first gas sensor (5), the first gas sensor (5) is sleeved with a connecting sleeve (6), a vacuum air suction pump (7) is arranged inside the connecting sleeve (6), the front end of the second connecting support (13) is connected with a human body induction sensor (14), a second flange (21) is arranged above the middle of the second connecting support (13), and a second gas sensor (22) is connected above the second flange (21), the lower extreme of upper cover (1) is equipped with display panel (18), the below of display panel (18) is equipped with signal processing module (19).
2. The stationary toxic gas detector of claim 1, wherein: the rear end of the vacuum air suction pump (7) is provided with an air inlet pipe (9), the air inlet of the vacuum air suction pump is connected with an air suction nozzle (8), the air suction nozzle (8) is designed in a spherical mode, and a plurality of round holes are formed in the air suction nozzle.
3. The stationary toxic gas detector of claim 1, wherein: the front end of the vacuum air suction pump (7) is provided with an air outlet pipe (10) which is connected with the connecting sleeve (6), and the joint of the air outlet pipe (10) and the connecting sleeve (6) is provided with a molecular sieve (11).
4. The stationary toxic gas detector of claim 1, wherein: the connecting sleeve (6) is connected with the first flange (4) in a threaded mode, an exhaust port (15) is arranged at the lower end of the connecting sleeve (6), and the exhaust port (15) is connected with a purifier through a pipeline.
5. The stationary toxic gas detector of claim 1, wherein: the display panel (18) is sequentially provided with a display lamp, a fool-proof mark, a button and a fool-proof mark along the circumferential direction, and the middle of the display panel (18) is provided with a liquid crystal display screen.
6. The stationary toxic gas detector of claim 1, wherein: the signal processing module (19) is connected with the audible and visual alarm (3), the first gas sensor (5), the vacuum suction pump (7), the cable (12), the human body induction sensor (14), the display panel (18) and the second gas sensor (22).
7. The stationary toxic gas detector of claim 1, wherein: the first connecting bracket (2) is of a T-shaped structure and is integrally designed with the lower cover (16).
8. The stationary toxic gas detector of claim 2 or 3, wherein: and gas path one-way valves are arranged at the joints of the gas inlet pipe (9) and the gas outlet pipe (10) and the vacuum getter pump (7).
9. The stationary toxic gas detector of claim 3, wherein: the molecular sieve (11) comprises a multi-layer molecular sieve membrane.
10. The stationary toxic gas detector of claim 3, wherein: the lower cover (16) is internally provided with a storage battery (20) which is arranged below the signal processing module (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011533577.0A CN112684115A (en) | 2020-12-23 | 2020-12-23 | Fixed toxic gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011533577.0A CN112684115A (en) | 2020-12-23 | 2020-12-23 | Fixed toxic gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112684115A true CN112684115A (en) | 2021-04-20 |
Family
ID=75450909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011533577.0A Pending CN112684115A (en) | 2020-12-23 | 2020-12-23 | Fixed toxic gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112684115A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206411058U (en) * | 2017-01-21 | 2017-08-15 | 北京华劳安全技术有限公司 | A kind of explosion-proof stationary gas detection alarm |
| CN207816661U (en) * | 2018-02-24 | 2018-09-04 | 颜秋兰 | A kind of air detection sampler |
| CN208334314U (en) * | 2018-05-14 | 2019-01-04 | 福建荔建工程技术有限公司 | A kind of fire-fighting wall-hanging Concentration Testing instrument |
| CN208805401U (en) * | 2018-08-15 | 2019-04-30 | 河南中煤电气有限公司 | A kind of mining multiple gases collector |
| CN209447307U (en) * | 2019-02-14 | 2019-09-27 | 淄博瑞安特自控设备有限公司 | A kind of automatic alarm device for the leakage of low-concentration methane gas |
| CN210606041U (en) * | 2019-10-22 | 2020-05-22 | 立智(北京)科技发展有限公司 | Harmful gas leakage alarm |
| CN211505428U (en) * | 2020-01-11 | 2020-09-15 | 河南元成能源科技有限公司 | Automatic detection device for preventing ammonia gas leakage |
-
2020
- 2020-12-23 CN CN202011533577.0A patent/CN112684115A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206411058U (en) * | 2017-01-21 | 2017-08-15 | 北京华劳安全技术有限公司 | A kind of explosion-proof stationary gas detection alarm |
| CN207816661U (en) * | 2018-02-24 | 2018-09-04 | 颜秋兰 | A kind of air detection sampler |
| CN208334314U (en) * | 2018-05-14 | 2019-01-04 | 福建荔建工程技术有限公司 | A kind of fire-fighting wall-hanging Concentration Testing instrument |
| CN208805401U (en) * | 2018-08-15 | 2019-04-30 | 河南中煤电气有限公司 | A kind of mining multiple gases collector |
| CN209447307U (en) * | 2019-02-14 | 2019-09-27 | 淄博瑞安特自控设备有限公司 | A kind of automatic alarm device for the leakage of low-concentration methane gas |
| CN210606041U (en) * | 2019-10-22 | 2020-05-22 | 立智(北京)科技发展有限公司 | Harmful gas leakage alarm |
| CN211505428U (en) * | 2020-01-11 | 2020-09-15 | 河南元成能源科技有限公司 | Automatic detection device for preventing ammonia gas leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206688390U (en) | A kind of chemical laboratory exhaust treatment system | |
| CN202593343U (en) | Mobile air monitoring vehicle | |
| CN104391091A (en) | Multipath detected gas analyzer | |
| CN112684115A (en) | Fixed toxic gas detector | |
| CN205404553U (en) | Take quick gas collecting device's portable harmful gas detection device | |
| CN211374671U (en) | Monitoring device for dangerous gas of underground pipe network | |
| CN211505428U (en) | Automatic detection device for preventing ammonia gas leakage | |
| CN219434439U (en) | Environmental air sampling rifle that facilitates use | |
| CN210051602U (en) | Waste gas detection device for fixing pollution source VOC | |
| CN214472203U (en) | Atmospheric pollution detection device with warning function | |
| CN102142181A (en) | Medical gas warning system | |
| CN214201392U (en) | Concentration detector for detecting volatile organic compounds | |
| CN214279134U (en) | Finite space concentration alarm device | |
| CN211554720U (en) | Industrial harmful waste gas monitoring device | |
| CN211179745U (en) | VOC on-line monitoring system with sample gas purification treatment and early warning | |
| CN208140659U (en) | A kind of pumping plant with toxic gas detection | |
| CN219737270U (en) | Acetic acid gas detector | |
| CN209494394U (en) | Multifunctional door and window detection system with air cleaning | |
| CN210243613U (en) | Intelligent multipoint gas acquisition instrument | |
| CN214796160U (en) | Industrial gas alarm shell | |
| CN213023067U (en) | Chemical gas monitoring equipment | |
| CN209992424U (en) | Novel poisonous and harmful gas detects and purifies device | |
| CN216350622U (en) | Gas pretreatment device for ozone concentration detector | |
| CN218003021U (en) | Non-plug-in type gas collecting device | |
| CN214408891U (en) | Medical air analyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210420 |