CN220829483U - On-line monitoring instrument for toxic and harmful gas - Google Patents

On-line monitoring instrument for toxic and harmful gas Download PDF

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Publication number
CN220829483U
CN220829483U CN202322360908.0U CN202322360908U CN220829483U CN 220829483 U CN220829483 U CN 220829483U CN 202322360908 U CN202322360908 U CN 202322360908U CN 220829483 U CN220829483 U CN 220829483U
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China
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shell
air
gas
nitrogen gas
air inlet
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CN202322360908.0U
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Inventor
周国东
王玉金
肖振江
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Hangzhou Nansha Technology Co ltd
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Hangzhou Nansha Technology Co ltd
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Abstract

The utility model provides an on-line monitoring instrument for toxic and harmful gases, which comprises a shell, wherein the top of the shell is provided with an air inlet, the bottom of the shell is provided with an air outlet, and an air pipeline is arranged in the shell and fixedly connected with the shell. The utility model uses the air cavity arranged in the shell to store the gas to be monitored, the electrochemical sensor in the air cavity measures and detects the gas concentration in the air cavity, the particle detection sensor in the air cavity measures the particle concentration of the gas in the air cavity, the particle detection sensor comprises suspended particles and inhalable particles, and the controller is used for adjusting and controlling the work of the electrochemical sensor, the particle detection sensor and the air pump; place the case and carry nitrogen gas reservoir and slide in the air inlet department of casing, when placing the case and remove the air inlet one end that the casing was seted up, nitrogen gas outlet and the air inlet intercommunication of nitrogen gas reservoir open gas valve, nitrogen gas reservoir output nitrogen gas leaves along breather pipe route gas outlet to clear up the remaining gas of this instrument.

Description

On-line monitoring instrument for toxic and harmful gas
Technical Field
The utility model relates to an instrument, in particular to an on-line monitoring instrument for toxic and harmful gases, and belongs to the technical field of gas monitoring.
Background
Air pollution is mainly caused by human activities and natural factors. Human activities are one of the main causes of air pollution, including industrial production, energy use, transportation, agricultural activities, and urban progress, etc., which release a large amount of exhaust gas, dust, and organic substances such as sulfur dioxide, nitrogen oxides, particulates, volatile organic compounds, etc., thereby polluting the atmosphere.
Industrial production is one of the important sources of pollution. Many industrial processes produce large amounts of exhaust gas and waste including thermal power plants, steel plants, chemical plants, and the like. Emissions released from these industrial sources have a great impact on the quality of the air.
The Chinese patent publication No. CN212180683U discloses an on-line monitoring instrument for toxic and harmful gas in factory, which comprises a shell, an air pump, an electrochemical detection device and a controller, wherein the electrochemical detection device is internally provided with an electrochemical sensor, and the on-line monitoring instrument also comprises a gas pretreatment device; the air pretreatment device comprises an air inlet block, a first temperature and humidity sensor, an air heating device and a second temperature and humidity sensor, wherein an air inlet cavity is formed in the air inlet block, an inlet of the air inlet cavity is communicated with the outside through a pipeline, an outlet of the air inlet cavity is communicated with the air heating device through a pipeline, the air heating device is communicated with an air pump through a pipeline, the first temperature and humidity sensor is arranged on the air inlet block, and the second temperature and humidity sensor is arranged on the air heating device.
The device can carry out temperature and humidity regulation on the gas to be acquired, so that the gas is in the optimal working range of the electrochemical sensor, the acquisition accuracy of the electrochemical sensor is ensured, and the accuracy of monitoring data is improved. However, after the utility model is used, partial gas residues exist in the utility model and cannot be exported, and the next monitoring or interference can be caused.
Disclosure of utility model
Based on the background, the utility model aims to provide the on-line monitoring instrument for the toxic and harmful gas, which can clean the residual gas in the interior in time after use and has simple and convenient cleaning process, and solves the problems in the background technology.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a poisonous and harmful gas on-line monitoring instrument, includes the casing, the air inlet has been seted up at the casing top, the gas outlet has been seted up to the casing bottom, the inside vent line that is provided with of casing, vent line and casing fixed connection, vent line intercommunication air inlet and gas outlet, the gas outlet is provided with the air pump, air pump and casing fixed connection;
The inside of the shell is provided with an air cavity and a controller, the air cavity and the controller are fixedly connected with the shell, the air cavity is communicated with the ventilation pipeline, the inside of the air cavity is provided with an electrochemical sensor and a particulate matter detection sensor, the electrochemical sensor and the particulate matter detection sensor are fixedly connected with the air cavity, and the electrochemical sensor, the particulate matter detection sensor and the air pump are electrically connected with the controller;
The utility model provides a nitrogen gas storage tank, including casing top, spout has been seted up, the spout top is provided with places the case, place case and spout sliding fit, place the incasement portion and be provided with nitrogen gas reservoir, nitrogen gas reservoir can dismantle fixed connection with placing the case, nitrogen gas reservoir includes gas valve and nitrogen gas outlet, nitrogen gas outlet and gas valve intercommunication, gas valve runs through and places case one side and outside intercommunication, nitrogen gas outlet of nitrogen gas reservoir runs through and places bottom of the case portion and outside intercommunication, nitrogen gas outlet and air inlet phase-match, when placing case slip to the air inlet one end that the casing was seted up, nitrogen gas outlet and air inlet intercommunication, when placing case slip to the air inlet one end of keeping away from the casing and offering, nitrogen gas outlet and air inlet separation.
The air inlet, the air outlet and the ventilation pipeline provide channels for air to enter and exit the instrument, and the air pump provides power for the air to enter and exit; the gas cavity stores the gas to be detected, the electrochemical sensor can measure and detect the concentration of the gas in the gas cavity, the particle detection sensor can measure the concentration of the particles of the gas in the gas cavity, the gas cavity comprises suspended particles and inhalable particles, and the controller is used for adjusting and controlling the operation of the electrochemical sensor, the particle detection sensor and the gas pump; the spout carries out the position movement with placing case sliding fit and can be convenient for with nitrogen gas reservoir bag, when placing case and remove to the air inlet one end that the casing was seted up, nitrogen gas outlet and the air inlet intercommunication of nitrogen gas reservoir bag, open gas valve, nitrogen gas reservoir bag output nitrogen gas is left by the gas outlet along vent line motion again to clear up this inside remaining gas of instrument, when placing case and slide to the air inlet one end of keeping away from the casing and offering, nitrogen gas outlet and the air inlet separation of nitrogen gas reservoir bag, close gas valve, nitrogen gas reservoir bag stops outputting nitrogen gas.
Preferably, a cover body is arranged at the top of the placement box and hinged with the placement box. The cover body is arranged to facilitate the replacement of the nitrogen gas storage bag.
Preferably, a gas pretreatment device is arranged between the gas inlet and the gas cavity, and the gas pretreatment device is communicated with the ventilation pipeline. The gas pretreatment device can keep the original temperature and humidity of the monitored gas, so that the monitoring is more accurate.
Preferably, the air inlet is provided with a separation plug which is detachably and fixedly connected with the shell.
When the instrument is used, the isolation plug is taken out from the air inlet, the air inlet is opened, and when the instrument is not used, the isolation plug is installed in the air inlet, the air inlet is closed, so that the internal components of the instrument are prevented from being oxidized when the instrument is not used, and the monitoring is inaccurate.
Preferably, the shell is provided with a plurality of heat dissipation holes, and the heat dissipation holes are arranged at the positions corresponding to the controller. The heat dissipation holes can dissipate heat of the controller, so that the working temperature of the controller is reduced, and the stability and reliability of the controller are improved.
Preferably, a display is arranged outside the shell, and the display is electrically connected with the controller. The display can provide real-time gas concentration data, so that a user can know the concentration level of toxic and harmful gases in the current monitored environment at any time.
Preferably, the surface of the shell is provided with a handheld part, and the handheld part is fixedly connected with the shell. The hand-held part can facilitate the user to hold the instrument.
Preferably, the toxic and harmful gas on-line monitoring instrument further comprises a mobile end, wherein the mobile end is connected with the controller through radio communication.
The mobile terminal and the controller are connected through radio communication, so that concentration data and other related information of toxic and harmful gases can be checked at any time through the mobile terminal, and data management and analysis can be more convenient.
Preferably, the surface of the shell is provided with a fixing piece, and the fixing piece is fixedly connected with the shell. The fixing piece can firmly install the instrument on a specific position, so that the stability and the accuracy of the instrument are prevented from being influenced by movement or shaking.
Compared with the prior art, the utility model has the following advantages:
The utility model relates to an on-line monitoring instrument for toxic and harmful gas, which utilizes an air cavity arranged in a shell to store the gas to be monitored, an electrochemical sensor in the air cavity is used for measuring and detecting the concentration of the gas in the air cavity, a particle detection sensor in the air cavity is used for measuring the concentration of the particles in the gas in the air cavity, the particle detection sensor comprises suspended particles and inhalable particles, and a controller is used for adjusting and controlling the operation of the electrochemical sensor, the particle detection sensor and an air pump; place the case and carry nitrogen gas reservoir and slide in the air inlet department of casing, when placing the case and remove the air inlet one end that the casing was seted up, nitrogen gas outlet and the air inlet intercommunication of nitrogen gas reservoir open gas valve, nitrogen gas reservoir output nitrogen gas leaves along breather pipe route gas outlet to clear up the remaining gas of this instrument.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the internal structure of an on-line monitoring instrument for toxic and harmful gases according to the present utility model;
FIG. 2 is a schematic view of the back structure of the on-line monitoring instrument for toxic and harmful gases of the present utility model;
fig. 3 is a schematic diagram of the front structure of the on-line monitoring instrument for toxic and harmful gases.
In the figure: 1. a housing; 2. an air inlet; 3. an air outlet; 4. a vent line; 5. an air pump; 6. an air cavity; 7. a controller; 8. an electrochemical sensor; 9. a particulate matter detection sensor; 10. a chute; 11. placing a box; 12. a nitrogen storage bag; 1201. a gas valve; 1202. a nitrogen outlet; 13. a cover body; 14. a gas pretreatment device; 15. a spacer plug; 16. a heat radiation hole; 17. a display; 18. a hand-held part.
Detailed Description
The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings. It should be understood that the practice of the utility model is not limited to the following examples, but is intended to be within the scope of the utility model in any form and/or modification thereof.
In the present utility model, unless otherwise specified, all parts and percentages are by weight, and the equipment, materials, etc. used are commercially available or are conventional in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components and devices in the following examples are, unless otherwise indicated, all those components and devices known to those skilled in the art, and their structures and principles are known to those skilled in the art from technical manuals or by routine experimentation.
In the following detailed description of embodiments of the utility model, reference is made to the accompanying drawings, in which, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. However, one or more embodiments may be practiced by one of ordinary skill in the art without these specific details.
As shown in FIG. 1, an on-line monitoring instrument for toxic and harmful gas comprises a shell 1, wherein a handheld part 18 is arranged on the surface of the shell 1, and the handheld part 18 is fixedly connected with the shell 1. The hand-held portion 18 may facilitate the handling of the instrument by a user.
The air inlet 2 has been seted up at casing 1 top, and gas outlet 3 has been seted up to casing 1 bottom, and casing 1 inside is provided with vent line 4, vent line 4 and casing 1 fixed connection, vent line 4 intercommunication air inlet 2 and gas outlet 3, and gas outlet 3 is provided with air pump 5, air pump 5 and casing 1 fixed connection. The air inlet 2, the air outlet 3 and the ventilation pipeline 4 provide channels for air to enter and exit the instrument, and the air pump 5 provides power for the air to enter and exit.
The air inlet 2 is provided with a separation plug 15, and the separation plug 15 is detachably and fixedly connected with the shell 1. When the instrument is used, the isolating plug 15 is taken out from the air inlet 2, the air inlet 2 is opened, and when the instrument is not used, the isolating plug 15 is installed in the air inlet 2, the air inlet 2 is closed, and the oxidation of internal components of the instrument is prevented, so that the monitoring is inaccurate.
The inside of the shell 1 is provided with an air cavity 6 and a controller 7, and the air cavity 6 and the controller 7 are fixedly connected with the shell 1.
As shown in fig. 2, the casing 1 is provided with a plurality of heat dissipation holes 16, and the plurality of heat dissipation holes 16 are disposed at positions corresponding to the controller 7. The heat dissipation holes 16 can dissipate heat of the controller 7, so that the working temperature of the controller 7 is reduced, and the stability and reliability of the controller are improved.
The air cavity 6 is communicated with the ventilation pipeline 4, a gas pretreatment device 14 is arranged between the air inlet 2 and the air cavity 6, and the gas pretreatment device 14 is communicated with the ventilation pipeline 4. The gas pretreatment device 14 can keep the original temperature and humidity of the monitored gas, so that the monitoring is more accurate.
The inside electrochemical sensor 8 and the particulate matter detection sensor 9 that are provided with of air cavity 6, electrochemical sensor 8 and particulate matter detection sensor 9 all with air cavity 6 fixed connection, electrochemical sensor 8, particulate matter detection sensor 9 and air pump 5 all with controller 7 electric connection. The air cavity 6 stores the gas to be monitored, the electrochemical sensor 8 can measure and detect the concentration of the gas in the air cavity 6, the particle detection sensor 9 can measure the concentration of the particles of the gas in the air cavity 6, including suspended particles and inhalable particles, and the controller 7 is used for adjusting and controlling the operations of the electrochemical sensor 8, the particle detection sensor 9 and the air pump 5.
The spout 10 has been seted up at casing 1 top, and spout 10 top is provided with places case 11, places case 11 and spout 10 sliding fit, places the inside nitrogen gas reservoir 12 that is provided with of case 11, and nitrogen gas reservoir 12 can dismantle fixed connection with placing case 11, places case 11 top and is provided with lid 13, and lid 13 is articulated with placing case 11. The cover 13 is provided to facilitate replacement of the nitrogen reservoir 12.
The nitrogen gas reservoir 12 includes gas valve 1201 and nitrogen gas export 1202, nitrogen gas export 1202 and gas valve 1201 intercommunication, gas valve 1201 runs through and places case 11 one side and outside intercommunication, nitrogen gas export 1202 and air inlet 2 assorted of nitrogen gas reservoir 12 runs through and places case 11 bottom and outside intercommunication, when placing case 11 and slides to air inlet 2 one end that casing 1 offered, nitrogen gas export 1202 and air inlet 2 intercommunication, when placing case 11 and slides to the air inlet 2 one end that casing 1 offered away from, nitrogen gas export 1202 and air inlet 2 separation. The spout 10 and place case 11 sliding fit and thereby can be convenient for carry out the position movement with nitrogen gas reservoir 12, when placing case 11 and remove to the air inlet 2 one end that casing 1 offered, nitrogen gas outlet 1202 and air inlet 2 intercommunication of nitrogen gas reservoir 12 open gas valve 1201, nitrogen gas reservoir 12 output nitrogen gas is left by gas outlet 3 along vent line 4 motion, thereby clear up the inside remaining gas of this instrument, when placing case 11 and slide to the gas outlet 3 one end that casing 1 offered of keeping away from, nitrogen gas outlet 1202 and air inlet 2 separation of nitrogen gas reservoir 12, close gas valve 1201, nitrogen gas reservoir 12 stops outputting nitrogen gas.
As shown in fig. 3, a display 17 is disposed outside the housing 1, and the display 17 is electrically connected to the controller 7. The display 17 can provide real-time gas concentration data, so that a user can know the concentration level of toxic and harmful gases in the current environment at any time.
The surface of the shell 1 is provided with a fixing piece which is fixedly connected with the shell 1. The fixing piece can firmly install the instrument on a specific position, so that the stability and the accuracy of the instrument are prevented from being influenced by movement or shaking.
The toxic and harmful gas on-line monitoring instrument also comprises a mobile end, and the mobile end is connected with the controller 7 through radio communication. The mobile terminal and the controller 7 are connected through radio communication, so that concentration data and other related information of toxic and harmful gases can be checked at any time through the mobile terminal, and data management and analysis can be more convenient.
The utility model relates to an on-line monitoring instrument for toxic and harmful gases, which comprises the following operation steps:
The instrument is arranged at a specific position through a fixing piece to monitor the surrounding environment, after the installation is finished, the isolating plug 15 is taken out, the placing box 11 is moved to one end of the air inlet 2 arranged on the shell 1, the nitrogen outlet 1202 of the nitrogen storage bag 12 is communicated with the air inlet 2, the gas valve 1201 and the air pump 5 are opened, the nitrogen storage bag 12 outputs nitrogen to move along the ventilation pipeline 4 and then leave from the air outlet 3, the inside of the instrument can be cleaned, after the cleaning is finished, the gas valve 1201 and the air pump 5 are closed, the placing box 11 is slid to one end far away from the air inlet 2 arranged on the shell 1, the air pump 5, the gas pretreatment device 14, the electrochemical sensor 8 and the particulate matter detection sensor 9 are started, the air pump 5 sucks surrounding gas into the air cavity 6 along the ventilation pipeline 4, the electrochemical sensor 8 in the air cavity 6 measures and detects the gas concentration, the particle detection sensor 9 measures the particle concentration of the gas, the gas pretreatment device 14 keeps the original temperature and humidity of the sucked gas before the sucked gas enters the air cavity 6, the electrochemical sensor 8 and the particle detection sensor 9 display the detection result on the display 17 or a moving end connected with the controller 7, after the monitoring is finished, the gas pretreatment device 14, the electrochemical sensor 8 and the particle detection sensor 9 are closed, the placing box 11 is moved to one end of the air inlet 2 opened by the shell 1, the nitrogen outlet 1202 of the nitrogen storage bag 12 is communicated with the air inlet 2 again, the nitrogen storage bag 12 outputs nitrogen to move along the ventilation pipeline 4 and then leaves from the air outlet 3, thus the residual gas inside the instrument is guided out, the gas valve 1201 and the air pump 5 are closed, the placing box 11 is slid to one end far away from the air inlet 2 opened by the shell 1, the intake port 2 is closed again by the isolating plug 15.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (9)

1. An on-line monitoring instrument for toxic and harmful gas, which is characterized in that: comprising the following steps:
The novel air conditioner comprises a shell (1), wherein an air inlet (2) is formed in the top of the shell (1), an air outlet (3) is formed in the bottom of the shell (1), an air pipeline (4) is arranged in the shell (1), the air pipeline (4) is fixedly connected with the shell (1), the air pipeline (4) is communicated with the air inlet (2) and the air outlet (3), an air pump (5) is arranged at the air outlet (3), and the air pump (5) is fixedly connected with the shell (1);
The novel air conditioner is characterized in that an air cavity (6) and a controller (7) are arranged inside the shell (1), the air cavity (6) and the controller (7) are fixedly connected with the shell (1), the air cavity (6) is communicated with the ventilation pipeline (4), an electrochemical sensor (8) and a particulate matter detection sensor (9) are arranged inside the air cavity (6), the electrochemical sensor (8) and the particulate matter detection sensor (9) are fixedly connected with the air cavity (6), and the electrochemical sensor (8), the particulate matter detection sensor (9) and the air pump (5) are electrically connected with the controller (7);
Spout (10) have been seted up at casing (1) top, spout (10) top is provided with places case (11), place case (11) and spout (10) sliding fit, place inside nitrogen gas reservoir (12) that are provided with of case (11), nitrogen gas reservoir (12) can dismantle fixed connection with placing case (11), nitrogen gas reservoir (12) include gas valve (1201) and nitrogen gas export (1202), nitrogen gas export (1202) communicate with gas valve (1201), gas valve (1201) run through and place case (11) one side and outside intercommunication, nitrogen gas export (1202) of nitrogen gas reservoir (12) run through and place case (11) bottom and outside intercommunication, nitrogen gas export (1202) and air inlet (2) phase-match, when placing case (11) and sliding to air inlet (2) one end that casing (1) was seted up, nitrogen gas export (1202) and air inlet (2) intercommunication, when placing case (11) and sliding to air inlet (2) one end that keep away from casing (1) and set up, nitrogen gas export (1202) and air inlet (2) separation.
2. The on-line toxic and harmful gas monitoring instrument according to claim 1, wherein: the top of the placement box (11) is provided with a cover body (13), and the cover body (13) is hinged with the placement box (11).
3. The on-line toxic and harmful gas monitoring instrument according to claim 1, wherein: a gas pretreatment device (14) is arranged between the gas inlet (2) and the gas cavity (6), and the gas pretreatment device (14) is communicated with the ventilation pipeline (4).
4. The on-line toxic and harmful gas monitoring instrument according to claim 3, wherein: the air inlet (2) is provided with a separation plug (15), and the separation plug (15) is detachably and fixedly connected with the shell (1).
5. The on-line toxic and harmful gas monitoring instrument according to claim 4, wherein: the shell (1) is provided with a plurality of radiating holes (16), and the radiating holes (16) are arranged at the positions corresponding to the controller (7).
6. The on-line toxic and harmful gas monitoring instrument according to claim 5, wherein: the display (17) is arranged outside the shell (1), and the display (17) is electrically connected with the controller (7).
7. The on-line toxic and harmful gas monitoring instrument according to claim 6, wherein: the surface of the shell (1) is provided with a handheld part (18), and the handheld part (18) is fixedly connected with the shell (1).
8. The on-line toxic and harmful gas monitoring instrument according to claim 7, wherein: the toxic and harmful gas on-line monitoring instrument further comprises a mobile end, and the mobile end is connected with the controller (7) through radio communication.
9. The on-line toxic and harmful gas monitoring instrument according to claim 7, wherein: the surface of the shell (1) is provided with a fixing piece, and the fixing piece is fixedly connected with the shell (1).
CN202322360908.0U 2023-08-31 2023-08-31 On-line monitoring instrument for toxic and harmful gas Active CN220829483U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322360908.0U CN220829483U (en) 2023-08-31 2023-08-31 On-line monitoring instrument for toxic and harmful gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322360908.0U CN220829483U (en) 2023-08-31 2023-08-31 On-line monitoring instrument for toxic and harmful gas

Publications (1)

Publication Number Publication Date
CN220829483U true CN220829483U (en) 2024-04-23

Family

ID=90726998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322360908.0U Active CN220829483U (en) 2023-08-31 2023-08-31 On-line monitoring instrument for toxic and harmful gas

Country Status (1)

Country Link
CN (1) CN220829483U (en)

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