CN117783454B - Pollution source organic gas detection device for real-time quantitative detection - Google Patents
Pollution source organic gas detection device for real-time quantitative detection Download PDFInfo
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- CN117783454B CN117783454B CN202410217936.3A CN202410217936A CN117783454B CN 117783454 B CN117783454 B CN 117783454B CN 202410217936 A CN202410217936 A CN 202410217936A CN 117783454 B CN117783454 B CN 117783454B
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- 238000001514 detection method Methods 0.000 title claims abstract description 161
- 239000007789 gas Substances 0.000 claims abstract description 308
- 239000000523 sample Substances 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000001603 reducing effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The invention relates to the technical field of organic gas detection equipment, in particular to a pollution source organic gas detection device for real-time quantitative detection. The technical proposal comprises: at least one pair of gas source gas cylinders for delivering gases of different sources; the rotatable gas detection assembly is used for detecting the gas released by the gas transmission cylinders with different gas sources through rotation; and the channel switching mechanism is arranged in the air source air delivery cylinder and is combined with the rotation of the air detection assembly to realize the switching between releasing the detection air and normally discharging the air. According to the invention, the plurality of air source air delivery cylinders are arranged and are used for uniformly guiding the air of different air source areas into the air detection box for detection, and only one set of detection device is needed, so that the detection cost is saved; the gas in the single gas source gas delivery cylinder can be quantitatively detected in real time respectively through the rotatable gas detection assembly and the design of the channel switching mechanism which is correspondingly opened and closed according to the rotation of the gas detection assembly.
Description
Technical Field
The invention relates to the technical field of organic gas detection equipment, in particular to a pollution source organic gas detection device for real-time quantitative detection.
Background
In the production environment, the detection of organic gases is involved to prevent pollution and explosion hazard caused by the organic gases. Since the pollution source of the organic gas has a plurality of places, the detection device needs to be installed everywhere, which will certainly increase the detection cost. Therefore, the invention provides a pollution source organic gas detection device for real-time quantitative detection.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a pollution source organic gas detection device for real-time quantitative detection.
The technical scheme of the invention is as follows: a pollution source organic gas detection device for real-time quantitative detection comprises a gas detection box for providing a detection space; at least one pair of air source air conveying cylinders symmetrically arranged on the air detection box and used for conveying air of different air sources; the channel switching mechanism comprises a valve element, a normal gas discharge pipe and a detection gas discharge pipe, wherein the valve element is elastically connected into the gas source gas delivery cylinder through a first reset spring and is provided with a magnetic structure, the normal gas discharge pipe is connected to one end of the gas source gas delivery cylinder and is communicated with the gas source gas delivery cylinder, the detection gas discharge pipe is connected to the bottom side of the gas source gas delivery cylinder and is communicated with the gas source gas delivery cylinder, and the channel switching mechanism realizes the switching between releasing detection gas and normal discharge gas; the gas detection assembly comprises a gas detector arranged in a gas detection box, a detection probe which is electrically connected with the gas detection box and can be in butt joint with a port of a gas detection outlet pipe, and a magnet which is arranged in the gas detection box and can magnetically attract a valve member, wherein the gas detection assembly detects gas released by gas transmission cylinders with different gas sources through rotation.
Optionally, the device further comprises an exhaust fan arranged on the top side of the gas detection box, and the exhaust fan is used for exhausting the detected gas and the normally discharged gas outwards.
Optionally, the gas source ground positioning mechanism further comprises a gas source ground positioning mechanism, wherein the gas source ground positioning mechanism comprises a sliding cavity arranged on the inner wall of the top side of the gas detection box, a sliding piece horizontally sliding in the sliding cavity along with the gas outlet of the normal gas outlet pipe, a pushing block elastically connected to the top of the gas detection box and capable of being pushed to move upwards by the sliding piece, a conductive column connected to the top end of the pushing block, a circuit board fixed on the outer side of the top end of the gas detection box and capable of being in contact with the conductive column to move upwards, and a lamp electrically arranged on the circuit board, and the gas source ground positioning mechanism is used for indicating the gas detection result in the gas source gas transmission cylinder currently detected.
Optionally, still include the speed reduction dual rotation mechanism that acts on gaseous detection component and exhaust fan simultaneously, speed reduction dual rotation mechanism is including rotating the revolving stage that installs in gaseous detection incasement portion and be used for fixed mounting gaseous detection component, coaxial ring gear that is fixed in the revolving stage bottom, with the flabellum axle fixed connection's of exhaust fan spliced pole, with the coaxial first gear that links firmly of spliced pole, be fixed in the motor of gaseous detection case bottom plate upper surface, with the coaxial second gear that links firmly of motor output shaft and pass through the bearing and rotate the third gear of being connected in gaseous detection incasement portion, the third gear meshes with ring gear and first gear simultaneously, and first gear, third gear, ring gear tooth number progressively increase in proper order and realize reduction transmission, first gear meshes with the second gear.
Optionally, the device also comprises an air source air delivery cylinder supporting bar which is arranged outside the air detection box and used for supporting each air source air delivery cylinder.
Optionally, the number of the pushing blocks is equal to that of the air source air delivery cylinders, and the positions of the pushing blocks are corresponding to those of the air source air delivery cylinders.
Optionally, the valve member is provided with a vent hole for gas circulation.
Compared with the prior art, the invention has the following beneficial technical effects:
According to the application, the plurality of air source air delivery cylinders are arranged and are used for uniformly guiding the air of different air source areas into the air detection box for detection, and only one set of detection device is needed, so that the detection cost is saved;
furthermore, through the rotatable gas detection assembly and the design of the channel switching mechanism which is correspondingly opened and closed according to the rotation of the gas detection assembly, the gas in the single gas source gas delivery cylinder can be quantitatively detected in real time respectively;
furthermore, by the design of the positioning mechanism of the air source, not only the detection result of the air can be indicated, but also the detection result of the air in the air source air delivery cylinder which is currently tested can be correspondingly indicated.
Drawings
FIG. 1 is a schematic perspective view of a pollution source organic gas detection device for real-time quantitative detection;
FIG. 2 is a plan cross-sectional view of FIG. 1;
FIG. 3 is a schematic perspective view of the gas detection tank of FIG. 1 in a broken away;
FIG. 4 is a schematic perspective view of the air supply inflator;
FIG. 5 is a schematic perspective view of a positioning mechanism of the air source;
FIG. 6 is a plan cross-sectional view of FIG. 5;
fig. 7 is a schematic perspective view of a speed reducing double-rotation mechanism.
Reference numerals: 1. an air source air delivery cylinder;
2. A gas detection assembly; 21. a magnet; 22. a gas detector; 23. a detection probe;
3. a channel switching mechanism; 31. a first return spring; 32. a valve member; 321. a vent hole; 33. a normal gas discharge pipe; 34. a detection gas discharge pipe;
4. An exhaust fan;
5. An air source ground positioning mechanism; 51. a sliding cavity; 52. a slider; 53. a pushing block; 54. a conductive post; 55. a second return spring; 56. a circuit board; 57. a lamp;
6. A speed reducing double-rotation mechanism; 61. a rotary table; 62. a toothed ring; 63. a connecting column; 64. a first gear; 65. a motor; 66. a second gear; 67. a third gear;
7. a gas detection box;
8. And a supporting bar of an air source air delivery cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3, the pollution source organic gas detection device for real-time quantitative detection provided by the invention comprises a gas source gas delivery cylinder 1, a gas detection assembly 2, a channel switching mechanism 3, an exhaust fan 4, a gas source ground positioning mechanism 5, a speed reduction double-rotation mechanism 6, a gas detection box 7 and a gas source gas delivery cylinder support bar 8.
Specifically, the gas detection box 7 is used for providing detection space, and the gas source gas cylinder support bar 8 is fixedly arranged outside the gas detection box 7 and used for supporting each gas source gas cylinder 1. The number of the air supply air delivery cylinders 1 in the embodiment is six, and the six air supply air delivery cylinders 1 are annularly arranged at equal angles. The six gas source gas cylinders 1 are used for leading in the gas discharged from different gas sources through pipelines or other structures.
In this embodiment, the housing of the exhaust fan 4 is fixedly installed at the top opening of the gas detection box 7 for discharging gas, and the exhaust fan 4 can be connected with an external air duct and other devices to introduce the gas into other places for subsequent treatment. The device can also be used as a detection discharge of end gas, namely the detected gas is treated gas, whether the treated gas is in place or not is detected by the device, and in the application mode, the gas can be directly discharged into the air by the exhaust fan 4. In addition, the device can be applied to other suitable modes, and the exhaust fan 4 selects the exhaust path according to the application modes, which is not described in detail herein.
Referring to fig. 7, the speed reducing double rotation mechanism 6 includes a motor 65 fixed to the upper surface of the bottom plate of the gas detection tank 7, and a second gear 66 is coaxially and fixedly connected to the output shaft of the motor 65. The fan blade shaft of the exhaust fan 4 is fixedly connected with the top end of the connecting column 63, the bottom end of the connecting column 63 is rotatably connected with the bottom plate of the gas detection box 7 through a bearing, and the connecting column 63 is coaxially and fixedly connected with a first gear 64 meshed with a second gear 66. Therefore, when the output shaft of the motor 65 rotates, the second gear 66 and the first gear 64 are meshed to drive the connecting column 63 to rotate, so as to drive the fan blades of the exhaust fan 4 to rotate, and further exhaust the gas in the gas detection box 7.
Referring further to fig. 4, a channel switching mechanism 3 is installed inside each gas source gas cylinder 1 and performs switching between releasing the detection gas and normal exhaust gas in conjunction with rotation of the gas detection assembly 2. The channel switching mechanism 3 comprises a valve member 32 elastically connected to the air supply and air delivery tube 1 through a first return spring 31, one end of the valve member 32 is a tip structure capable of blocking the port of the air supply and air delivery tube 1, and the other end of the valve member 32 is a disc end capable of blocking a connecting port of a detection air discharge tube 34 described below with the air supply and air delivery tube 1. The tip of the valve member 32 is movably sleeved with a first return spring 31, one end of the first return spring 31 is abutted against the disc end, and the other end of the first return spring 31 is abutted against the inner wall of the air source air delivery cylinder 1, so that the disc end of the valve member 32 can block the connection port of the detection air discharge pipe 34 and the air source air delivery cylinder 1 through the elastic thrust of the first return spring 31, so that air passes through a vent 321 arranged at the disc end and is discharged through a normal air discharge pipe 33 connected to the port of the air source air delivery cylinder 1. As is clear from the above description, the gas to be detected is discharged from the lower detection gas discharge pipe 34, the normally discharged gas is discharged from the upper normal gas discharge pipe 33, and the gas detection is prevented from being affected after the normally discharged gas sinks by combining with the uppermost exhaust fan 4.
With continued reference to fig. 4 and 7, the gas detection assembly 2 is configured to detect the gas released by the gas cylinders 1 with different gas sources by rotating, so as to detect whether the gas contains an organic gas or other conditions, so long as the detection items within the detection range of the gas detector 22 are all suitable for the present scheme. The gas detector 22 can be replaced according to actual detection requirements, for example, when the gas detector is applied to detecting the methane content in gas, the gas detector can be replaced by a methane gas detector. The gas detector 22 includes a magnet 21, a gas detector 22, and a detection probe 23. The magnet 21 and the gas detector 22 are fixedly connected to the upper surface of a rotary table 61 described below, and the detection probe 23 is connected to the gas detector 22 by a wire and fixed to one portion of the rotary table 61 by a fixing member so as to be aligned with the single detection gas discharge pipe 34. The gas detector 22 may be used in conjunction with alarms or other devices with prompting capabilities for timely prompting purposes in particular applications, and the data processing of the gas detector 22 may be combined with the control hub of the motor 65 to stop the motor 65 when an abnormal condition is detected. Since the use of the gas detector 22 in combination with an alarm and a motor is a very common means in the detection field, the principle thereof will not be described in detail here. The magnet 21 is aligned with the port of the air supply air delivery cylinder 1, the valve 32 can be designed as a magnetic metal such as iron, or a magnetic metal or a magnet is additionally arranged at the tip of the valve 32, so that the valve 32 can be magnetically attracted by the magnet 21. When the valve member 32 is moved by the magnetic attraction of the magnet 21, the tip of the valve member 32 blocks the port of the air supply air delivery tube 1 and exposes the connection port of the detection air discharge tube 34, so that the air in the air supply air delivery tube 1 is discharged through the detection air discharge tube 34 and is detected by the detection probe 23 in time.
Based on the above, the speed reduction double-rotation mechanism 6 further comprises a rotary table 61 coaxially rotated with the gas detection box 7 through a large bearing, a toothed ring 62 coaxially fixed at the bottom of the rotary table 61, and a third gear 67 rotatably connected to the inside of the gas detection box 7 through a bearing, wherein the third gear 67 is simultaneously meshed with the toothed ring 62 and the first gear 64, and the number of teeth of the first gear 64, the third gear 67 and the toothed ring 62 are sequentially increased to realize speed reduction transmission. Therefore, when the connecting post 63 drives the fan blade of the exhaust fan 4 to rotate horizontally, the connecting post drives the third gear 67 to rotate through the engagement of the first gear 64 and the third gear 67, and the difference between the teeth number of the connecting post and the third gear 67 can achieve the speed reducing effect. The third gear 67 drives the toothed ring 62 and the rotary table 61 thereon to further rotate at a reduced speed through meshing with the toothed ring 62, so as to drive the gas detection assembly 2 mounted on the rotary table 61 to rotate, thereby completing the detection of the gas in the gas source gas delivery cylinders 1 at different positions.
Further, the gas source positioning mechanism 5 is used for indicating the detected result of the gas in the gas source gas cylinder 1 currently detected. Referring to FIGS. 5 to 6, the air source floor positioning mechanism 5 includes a slide chamber 51 fixedly mounted to the inner wall of the top side of the air detection box 7, and the end of each normal air discharge duct 33 extends to the inside of the slide chamber 51. Slide 52 can slide in a drifting manner in slide chamber 51 in a sliding direction determined by the air outlet mode of each normal air outlet duct 33. In the present embodiment, the normal air outlet duct 33 is arranged in six angular annular arrays, that is, two by two. When one of the normal gas discharge pipes 33 stops gas discharge, the thrust forces of the gas blown out from the two pairs of normal gas discharge pipes 33 opposed to each other cancel each other, and the gas blown out from the normal gas discharge pipe 33 opposed to the normal gas discharge pipe 33 will push the slider 52 to slide toward the position where the normal gas discharge pipe 33 is located, thereby pushing the push block 53 described below corresponding to the normal gas discharge pipe 33. The push block 53 is elastically connected to the top plate of the gas detection tank 7, and has a slope provided at the bottom end thereof so as to be pushed up by the sliding slider 52. The top end of the push block 53 is fixedly connected with a pair of conductive posts 54, and the two conductive posts 54 are connected through a metal sheet lead. A circuit board 56 is fixed on the outer side of the top end of the gas detection box 7, six groups of contacts are arranged on the lower surface of the circuit board 56, each group of contacts corresponds to one gas source gas delivery cylinder 1, and each group of contacts can be contacted by the circuit board 56 which moves upwards, so that two contacts in the same group are conducted through the circuit board 56. Six lamps 57 are mounted on the circuit board 56, each lamp 57 being electrically connected to a set of contacts, so that when the set of contacts is turned on, the corresponding lamp 57 is activated and the bulb thereon lights up for indicating the currently detected gas source gas cylinder 1. In addition, a second return spring 55 is movably sleeved outside the conductive post 54, and the push block 53 which moves upwards can be moved downwards to return by the elastic thrust of the second return spring 55.
The working principle of the embodiment is as follows: the gas exhausted from different gas sources is respectively led into each gas source gas cylinder 1 by using a pipeline or other structures. The gas detection assembly 2 rotates horizontally and sequentially to the gas source gas delivery cylinders 1. When the gas detection assembly 2 rotates to one of the gas source gas delivery cylinders 1, referring to fig. 4, the magnet 21 attracts the valve member 32 to move by magnetic attraction, the tip of the valve member 32 blocks the port of the gas source gas delivery cylinder 1 and exposes the connection port of the detection gas discharge pipe 34, so that the gas in the gas source gas delivery cylinder 1 is discharged through the detection gas discharge pipe 34 and is detected by the detection probe 23 in time. At this time, the gas in each of the remaining gas source gas cylinders 1 is discharged through the normal gas discharge pipe 33 because the valve member 32 is moved by the elastic force of the first return spring 31 so that the tip thereof cannot block the port of the gas source gas cylinder 1 and the other end thereof blocks the connection port of the detection gas discharge pipe 34, so that the gas is discharged through the normal gas discharge pipe 33 connected to the port of the gas source gas cylinder 1 after passing through the vent hole 321. Therefore, the gas detection assembly 2 can only detect the gas in one gas source gas delivery cylinder 1 at a time, namely only detect the gas of one gas source place at a time, so that the gas detection assembly can not only detect the gas of a plurality of gas source places, but also can quickly identify the corresponding gas source place when abnormality is detected. In addition, since the gas in the gas source gas cylinder 1 is continuously discharged through the normal gas discharge pipe 33 or the detection gas discharge pipe 34, instead of temporarily storing the gas and then detecting it, it is possible to detect the currently discharged gas in real time, so as to reduce the time error of the detection result. In addition, since the gas is discharged from the detection gas discharge pipe 34 by means of the magnetic adsorption of the magnet 21, and the magnet 21 is horizontally rotated, quantitative and small discharge of the detection gas can be achieved under the condition of a certain rotation speed, so that the influence on the detection of other gas caused by the fact that the gas is excessively discharged in a short time and cannot be timely discharged is avoided.
Based on the above, a small amount of the detection gas discharged from the detection gas discharge pipe 34 first enters the gas detection box 7, is then sucked upward by the exhaust fan 4, and is discharged from the top end opening of the gas detection box 7. Since only one normal gas outlet pipe 33 will not exhaust gas at the same time (gas is being discharged from the detection gas outlet pipe 34 to be detected) and the gas normally discharged from the normal gas outlet pipe 33 first enters the sliding cavity 51, referring to fig. 5-6, according to the six normal gas outlet pipes 33 of the annular array of this embodiment, the sliding piece 52 will move towards the normal gas outlet pipe 33 under the pushing of the gas discharged from the remaining five normal gas outlet pipes 33, and further push the push block 53 corresponding to the normal gas outlet pipe 33 to move upwards, so that the conductive column 54 at the top end of the push block 53 contacts with the corresponding contact point on the lower surface of the circuit board 56, and thus the lamp 57 electrically connected with the contact point emits light, and the lamp 57 corresponds to the gas source gas inlet pipe 1 currently being detected, i.e. corresponds to the currently detected gas source ground. With the rotation of the gas detection assembly 2, when the gas detection assembly is switched to detect the gas in the next gas source gas delivery cylinder 1, the slide 52 also changes positions accordingly, so that the lamp 57 corresponding to the gas source gas delivery cylinder 1 is started, and the detection result is displayed for different gas sources in real time.
In summary, in this embodiment, by providing the plurality of air source air delivery cylinders 1, the air of different air source areas is uniformly guided into the air detection box 7 for detection, only one set of detection device is needed, so that the detection cost is saved; the gas in the single gas source gas delivery cylinder 1 can be quantitatively detected in real time respectively through the rotatable gas detection assembly 2 and the design of the channel switching mechanism 3 which is correspondingly opened and closed according to the rotation of the gas detection assembly 2; by the design of the gas source positioning means 5, not only the gas detection result but also the detection result of the gas in the gas source gas cylinder 1 currently being tested can be indicated correspondingly.
The above-described embodiments are merely a few alternative embodiments of the present invention, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present invention and the related teachings of the above-described embodiments.
Claims (5)
1. The utility model provides a pollution source organic gas detection device of real-time quantitative determination which characterized in that includes:
A gas detection box (7) providing a detection space;
at least one pair of gas source gas delivery cylinders (1) symmetrically arranged on the gas detection box (7) and used for delivering gases with different gas sources;
The channel switching mechanism (3), the channel switching mechanism (3) is installed in each air source air delivery cylinder (1), the channel switching mechanism (3) comprises a valve element (32) which is elastically connected in the air source air delivery cylinder (1) through a first reset spring (31), a normal air discharge pipe (33) which is connected to one end of the air source air delivery cylinder (1) and is communicated with the air source air delivery cylinder (1), and a detected air discharge pipe (34) which is connected to the bottom side of the air source air delivery cylinder (1) and is communicated with the air source air delivery cylinder (1), one end of the valve element (32) is of a tip structure which can block the port of the air source air delivery cylinder (1), the other end of the valve element (32) is of a disc end which can block the detected air discharge pipe (34) and the connecting port of the air source air delivery cylinder (1), the disc end of the valve element (32) can block the detected air discharge pipe (34) and the connecting port of the air source air delivery cylinder (1) through the elastic thrust of the first reset spring (31), so that air is discharged by the normal air discharge pipe (33) which is connected to the port of the air source air delivery cylinder (1), and the channel switching mechanism (3) can realize normal switching between gas discharge and gas release;
The gas detection assembly (2) comprises a gas detector (22) arranged in a gas detection box (7) and a detection probe (23) which is electrically connected with the gas detection box and can be in butt joint with a port of a gas detection discharge pipe (34), and a magnet (21) arranged in the gas detection box (7) and can magnetically attract a valve member (32), wherein the gas detection assembly (2) horizontally rotates and sequentially rotates to each gas source gas delivery pipe (1), when the gas detection assembly (2) rotates to one of the gas source gas delivery pipes (1), the magnet (21) moves through magnetic attraction the valve member (32), the tip of the valve member (32) blocks the port of the gas source gas delivery pipe (1) and exposes a connector of the gas detection discharge pipe (34), and gas released by different gas source gas delivery pipes (1) is detected;
The gas source ground positioning mechanism (5) is further included, the gas source ground positioning mechanism (5) comprises a sliding cavity (51) arranged on the inner wall of the top side of the gas detection box (7), a sliding piece (52) horizontally sliding along with the gas outlet of the normal gas outlet pipe (33) in the sliding cavity (51), a pushing block (53) which is elastically connected to the top of the gas detection box (7) and can be pushed to move upwards by the sliding piece (52), a conductive column (54) connected to the top end of the pushing block (53), a circuit board (56) which is fixed to the outer side of the top end of the gas detection box (7) and can be in contact with the conductive column (54) which moves upwards, and a lamp (57) which is electrically arranged on the circuit board (56), the end part of each normal gas outlet pipe (33) extends to the inside of the sliding cavity (51), the pushing block (53), the lamp (57) are equal in number and correspond to the gas source conveying pipe (1), and the normal gas outlet pipe (33) is arranged in two pairs, and the gas source ground positioning mechanism (5) is used for indicating the detected result of the gas in the gas conveying pipe (1) which is detected currently.
2. The pollution source organic gas detection device for real-time quantitative detection according to claim 1, further comprising an exhaust fan (4) installed at the top side of the gas detection box (7), wherein the exhaust fan (4) exhausts the detected gas and the normally discharged gas.
3. The pollution source organic gas detection device for real-time quantitative detection according to claim 2, further comprising a speed reduction double-rotation mechanism (6) which simultaneously acts on the gas detection assembly (2) and the exhaust fan (4), wherein the speed reduction double-rotation mechanism (6) comprises a rotary table (61) which is rotatably installed inside the gas detection box (7) and is used for fixedly installing the gas detection assembly (2), a toothed ring (62) coaxially fixed at the bottom of the rotary table (61), a connecting column (63) fixedly connected with a fan blade shaft of the exhaust fan (4), a first gear (64) coaxially fixedly connected with the connecting column (63), a motor (65) fixedly connected with the upper surface of a bottom plate of the gas detection box (7), a second gear (66) coaxially fixedly connected with an output shaft of the motor (65) and a third gear (67) rotatably connected inside the gas detection box (7) through a bearing, the third gear (67) is simultaneously meshed with the toothed ring (62) and the first gear (64), the third gear (67) and the toothed ring (62) are sequentially and incrementally driven to realize the speed reduction of the first gear (66).
4. A pollution source organic gas detection device for real-time quantitative detection according to claim 3, further comprising a gas source gas delivery cylinder supporting bar (8) mounted outside the gas detection box (7) for supporting each gas source gas delivery cylinder (1).
5. The device for detecting the organic gas of the pollution source, which is quantitatively detected in real time according to claim 4, wherein the valve member (32) is provided with a vent hole (321) for gas to circulate.
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