CN117367676A - Air quality detection device - Google Patents
Air quality detection device Download PDFInfo
- Publication number
- CN117367676A CN117367676A CN202311666670.2A CN202311666670A CN117367676A CN 117367676 A CN117367676 A CN 117367676A CN 202311666670 A CN202311666670 A CN 202311666670A CN 117367676 A CN117367676 A CN 117367676A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- side wall
- wall
- air
- electrically connected
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000011324 bead Substances 0.000 claims description 28
- 230000006698 induction Effects 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 10
- 229910052753 mercury Inorganic materials 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 6
- 238000010285 flame spraying Methods 0.000 abstract description 5
- 206010021143 Hypoxia Diseases 0.000 abstract description 4
- 230000007954 hypoxia Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 81
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000003915 air pollution Methods 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention belongs to the technical field of air quality detection devices, and particularly relates to an air quality detection device which comprises a mounting seat, wherein a detection cavity is formed in the mounting seat, a flame-spraying head is fixedly connected to the inner wall of the lower side of the detection cavity, an igniter is fixedly connected to the upper side wall of the flame-spraying head, an air inlet end of the flame-spraying head is communicated with a gas pipe, a metering air pump is communicated with the right end of the gas pipe, an air inlet cover is communicated with the air inlet end of the metering air pump, and a hydraulic cylinder is fixedly connected to the right side wall of the mounting seat. The invention can automatically detect the leakage degree of the harmful gas when the harmful gas in the chemical plant leaks in a large scale, thereby assisting the rescue personnel in judging the filling depth of the harmful gas in the sealed space and avoiding the risk that the rescue personnel can inhale a large amount of harmful gas and be poisoned by hypoxia when repairing the leakage area.
Description
Technical Field
The invention belongs to the technical field of air quality detection devices, and particularly relates to an air quality detection device.
Background
The air quality reflects the air pollution degree, the air pollution is judged according to the concentration of pollutants in the air, the air pollution is a complex phenomenon, the concentration of the pollutants in the air is influenced by a plurality of factors at specific time and place, for example, in a chemical plant, in order to avoid leakage of harmful gases, an air quality detection device is arranged in the chemical plant, and the air in the chemical plant is detected, so that an alarm can be timely sent out when the harmful gases in the chemical plant leak, an operator is reminded of emergency evacuation, and the leakage points are convenient to repair by the operator in time.
When the existing air quality detection device is used, the following defects exist;
when the air quality detection device is used, a detection device is usually arranged at a position where harmful gas is easy to leak and is used for detecting whether the problem of leakage of the harmful gas exists or not, because the types of the harmful gas in a factory are different, the density of the harmful gas is different, for example, the density of the harmful gas such as chlorine, hydrogen sulfide, ammonia, hydrogen chloride, sulfuric acid mist and the like is different from that of the harmful gas with respect to the air, when serious leakage accidents occur on the harmful gas, the space below a leakage area can be occupied by the harmful gas, so that oxygen is lack, and when workers mistakenly enter the area below the leakage area, double risks of poisoning and oxygen deficiency easily exist;
when the gas density such as hydrogen, methane and fluorine gas appear on a large scale leakage accident for the light gas of air to when the leak source is located the inside confined air of factory building, be located the space of factory building leak source top can be filled slowly by these light gas of density, and the air can be extruded the below region, when the workman passes through from the top, still can have the risk of hypoxia poisoning, and the boundary between these harmful gas and the air is difficult to distinguish alone by the human eye, the leakage degree of harmful gas can't be judged fast to the rescue staff, thereby influence the progress that the rescue staff was to leaking regional restoration.
For this purpose, an air quality detection device is proposed to solve the above-mentioned problems.
Disclosure of Invention
The present invention aims to solve the above problems and provide an air quality detection device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an air quality detection device, includes the mount pad, the detection chamber has been seted up to the inside of mount pad, the downside inner wall fixedly connected with flame gun of detection chamber, the last lateral wall fixedly connected with some firearm of flame gun, the inlet end intercommunication of flame gun has the gas pipe, the right-hand member intercommunication of gas pipe has the measurement air pump, the inlet end intercommunication of measurement air pump has the inlet hood, the right side wall fixedly connected with pneumatic cylinder of mount pad, the output of pneumatic cylinder passes through the lateral wall fixed connection of elastic telescopic link and inlet hood, the right side wall fixedly connected with bottom plate of mount pad, the last lateral wall of bottom plate is connected with air feed assembly, inlet hood and air feed assembly intercommunication, the left side wall of mount pad is connected with the inlet pump, the outlet end of inlet pump and the lateral wall intercommunication of detection chamber, the left side wall of mount pad is connected with display module, the lateral wall of mount pad is connected with sensing assembly.
Preferably, the air feed subassembly includes air feed seat and two air feed cans, the upper side wall of bottom plate rotates and is connected with steering column and first motor, the output of first motor passes through bevel gear subassembly and steering column transmission and connects, air feed seat fixed connection is in the upper end of steering column, two standing grooves have been seted up to the upper side wall of air feed seat, and the downside inner wall of standing groove passes through spring fixedly connected with lifter plate, two the air feed cans are placed respectively in two standing grooves, the tank wall intercommunication of air feed can has horizontal pipe, the tip intercommunication that the air feed can was kept away from to horizontal pipe has the junction housing, the inner wall connection of horizontal pipe has the solenoid valve, the upper side wall fixedly connected with electrically conductive frame of air feed housing, the upper side wall fixedly connected with electrically conductive board of junction housing, electrically conductive frame and external power source electric connection, the lateral wall of lifter plate is inlayed and is had first copper, the inner wall of standing groove is inlayed and is had the second copper, first and external power source electric connection, the second is through motor controller and first copper, hydraulic cylinder electric connection.
Preferably, the induction component comprises an induction cavity and a plurality of heat conducting plates, the induction cavity is arranged in a mounting seat, the induction cavity is of an annular structure, the heat conducting plates are evenly embedded in the inner wall of the induction cavity, mercury is filled in the induction cavity, a vertical cylinder is communicated with the upper side wall of the induction cavity, a placing ring is fixedly connected with the inner wall of the vertical cylinder, a piston plate is placed on the upper side wall of the placing ring, an electric contact frame is fixedly connected with the upper side wall of the piston plate, an upper electric contact block and a lower electric contact block are embedded in the inner wall of the vertical cylinder, the electric contact frame is electrically connected with an external power supply, the lower electric contact block is electrically connected with a metering air pump and an igniter, and an electric control mechanism is fixedly connected with the upper side wall of the mounting seat.
Preferably, the electric control mechanism comprises an electric control box and an electromagnetic block, wherein the electric control box is electrically connected with the electromagnetic block, the electric control box is fixedly connected with the upper side wall of the mounting seat, the electromagnetic block is fixedly connected with the upper side inner wall of the electric control box, the inner wall of the electric control box is fixedly connected with a plugboard, a plugboard is inserted in the plugboard, the upper end of the plugboard is fixedly connected with a transverse plate, the transverse plate is fixedly connected with the plugboard through a spring, the upper side wall of the transverse plate is fixedly connected with a permanent magnet plate, the lower end of the plugboard is fixedly connected with an upper metal block, and the lower side inner wall of the electric control box is fixedly connected with a lower metal block, and the upper metal block is electrically connected with an external power supply.
Preferably, the display component comprises a fixing frame and a control motor, the fixing frame is fixedly connected to the left side wall of the mounting seat, the control motor is fixedly connected to the side wall of the fixing frame, the output end of the control motor penetrates through the side wall of the fixing frame and is fixedly connected with a mounting frame, the left end of the mounting frame is fixedly connected with a display frame, the inner wall of the display frame is rotationally connected with a threaded rod, the lower side wall of the display frame is fixedly connected with a second motor, the lower metal block is electrically connected with the second motor, the output end of the second motor penetrates through the side wall of the display frame and is fixedly connected with the threaded rod, a threaded cylinder is sleeved on the rod wall of the threaded rod, an air inlet pipe is inserted into the side wall of the threaded cylinder, the air inlet end of the air inlet pump is communicated with a long pipe, the left end of the long pipe is rotationally connected with the inner wall of the air inlet pipe through a sealing bearing, two electrifying blocks are symmetrically and fixedly connected to the front side and the rear side of the threaded cylinder, two grooves are formed in the inner walls of the front side and the rear side of the display frame, a plurality of electrifying plates are fixedly connected to the inner walls of the grooves, lamp plates are fixedly connected to the outer walls of the front side and the rear side of the display frame, a plurality of green lamp beads are fixedly connected to the side wall of the lamp plate on the left side, a plurality of red lamp beads are fixedly connected to the side wall of the lamp plate on the right side, the electrifying plates and the green lamp beads are electrically connected one by one on the left side, the electrifying plates and the red lamp beads are electrically connected one by one, a plurality of electrifying plates are electrically connected through unidirectional diodes, a contact block is fixedly connected to the right side wall of the threaded cylinder, a plurality of contact plates are electrically connected to the right side wall of the display frame, a plurality of contact plates are electrically connected to an external power supply, and the contact plates, the red light beads and the green light beads are all in the same horizontal plane.
Preferably, the lateral wall fixedly connected with two guide bars of diaphragm, two guide holes mutually supporting with the guide bar have been seted up to the lateral wall of picture peg.
Preferably, the side wall of the air inlet cover is fixedly connected with a sealing ring, and the side wall of the connecting cover is provided with a sealing groove matched with the sealing ring.
Preferably, the upper side wall of the detection cavity is communicated with an exhaust hood, and an exhaust fan is arranged in the exhaust hood.
Compared with the prior art, the air quality detection device has the advantages that:
through mount pad, detection chamber, flame spraying head, some firearm, gas pipe, measurement air pump, suction hood, pneumatic cylinder, bottom plate, air feed subassembly, response subassembly and display element that set up, can be when the harmful gas in the chemical plant appears leaking on a large scale, can automated inspection harmful gas's degree of leakage to can assist the rescue personnel to judge harmful gas's degree of depth of packing in sealed space, avoid the rescue personnel when repairing leaking the region, can inhale a large amount of harmful gas and the risk of hypoxia poisoning.
Through the air feed subassembly that sets up, can be after the combustible gas in the air feed jar has used, can be automatic transfer the station department with the gas holder that prepares in advance to continue the air feed to guaranteed that the inside air supply of detection device is sufficient, avoid the inside air supply of detection device not enough, can influence the problem of detection device normal use.
Through the display module that sets up, can be when detecting the harmful gas in the factory building that utilizes detection device, can be according to harmful gas's density, automatic change display module's display orientation will be full of harmful gas highly with red lamp pearl display, and the safe region that is not filled by harmful gas is with green lamp pearl display, and the colour contrast is vivid, makes things convenient for the relief member to judge fast.
Drawings
FIG. 1 is a schematic diagram of an air quality detecting device according to the present invention;
FIG. 2 is a schematic view of an air supply assembly in an air quality testing device according to the present invention;
FIG. 3 is a schematic view of the internal structure of a mounting base in an air quality detecting device according to the present invention;
FIG. 4 is a schematic diagram of the connection relationship between an air inlet cover and a connection cover in the air quality detection device provided by the invention;
FIG. 5 is a schematic diagram of the structure of an electric control mechanism in an air quality detecting device provided by the invention;
FIG. 6 is a schematic view showing the internal structure of a display frame in an air quality detecting apparatus according to the present invention;
FIG. 7 is a schematic diagram of the shape and structure of a mounting frame in an air quality detection device according to the present invention;
fig. 8 is a schematic diagram of connection relation between green light beads, red light beads and unidirectional diodes in the air quality detection device.
In the figure: 1 mount pad, 2 detection chamber, 3 flame head, 4 igniter, 5 gas pipe, 6 metering gas pump, 7 intake cover, 8 hydraulic cylinder, 9 bottom plate, 10 air supply assembly, 101 air supply seat, 102 air supply tank, 11 rotary column, 12 first motor, 13 placement groove, 14 lifting plate, 16 horizontal tube, 17 connection cover, 18 solenoid valve, 19 conductive frame, 20 conductive plate, 21 first copper plate, 22 second copper plate, 23 intake pump, 24 display assembly, 241 fixing frame, 242 control motor, 25 mounting frame, 26 display frame, 27 threaded rod, 28 second motor, 29 screw barrel, 30 intake pipe, 31 long tube, 32 energizing block, 33 groove, 34 energizing plate, 35 lamp plate, 36 green lamp bead, 37 red lamp bead, 38 unidirectional diode, 39 contact block, 40 contact plate, 41 induction assembly, 411 induction chamber, 412 conductive plate, 42 mercury, 43 vertical tube, 44 placement ring, 45 piston plate, 46 electric contact frame, 47 upper electric contact block, 48 lower electric contact block, 49 electric control mechanism, 491 electric control box, 492, 50 electromagnetic block, 52, 32 electric guide plate, 53 upper guide plate, 53 guide plate, 56 guide plate, and guide plate, 60 guide plate, and seal groove.
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.
As shown in fig. 1-8, an air quality detection device comprises a mounting seat 1, a detection cavity 2 is formed in the mounting seat 1, a fire-spraying head 3 is fixedly connected to the inner wall of the lower side of the detection cavity 2, an igniter 4 is fixedly connected to the upper side wall of the fire-spraying head 3, a gas pipe 5 is communicated with the gas inlet end of the fire-spraying head 3, a metering air pump 6 is communicated with the right end of the gas pipe 5, a gas inlet cover 7 is communicated with the gas inlet end of the metering air pump 6, a hydraulic cylinder 8 is fixedly connected to the right side wall of the mounting seat 1, the output end of the hydraulic cylinder 8 is fixedly connected with the side wall of the gas inlet cover 7 through an elastic telescopic rod, a bottom plate 9 is fixedly connected to the right side wall of the mounting seat 1, a gas supply assembly 10 is connected to the upper side wall of the bottom plate 9, the gas inlet cover 7 is communicated with the gas supply assembly 10, a gas inlet pump 23 is connected to the left side wall of the mounting seat 1, a gas outlet end of the gas pump 23 is communicated with the side wall of the detection cavity 2, a display assembly 24 is connected to the left side wall of the mounting seat 1, and a sensing assembly 41 is connected to the side wall of the mounting seat 1.
The air supply assembly 10 comprises an air supply seat 101 and two air supply tanks 102, the upper side wall of the bottom plate 9 is rotationally connected with a rotary column 11 and a first motor 12, the output end of the first motor 12 is in transmission connection with the rotary column 11 through a bevel gear assembly, the air supply seat 101 is fixedly connected with the upper end of the rotary column 11, the upper side wall of the air supply seat 101 is provided with two placing grooves 13, the lower side inner wall of each placing groove 13 is fixedly connected with a lifting plate 14 through a spring, the two air supply tanks 102 are respectively placed in the two placing grooves 13, the tank walls of the air supply tanks 102 are communicated with a transverse pipe 16, the end part of the transverse pipe 16 far away from the air supply tank 102 is communicated with a connecting cover 17, the inner wall of the transverse pipe 16 is connected with an electromagnetic valve 18, the upper side wall of the air inlet cover 7 is fixedly connected with a conductive frame 19, the upper side wall fixedly connected with current conducting plate 20 of connecting cover 17, current conducting frame 19 and external power supply electric connection, current conducting plate 20 and solenoid valve 18 electric connection, the lateral wall of lifter plate 14 is inlayed and is had first copper 21, the inner wall of standing groove 13 is inlayed and is had second copper 22, first copper 21 and external power supply electric connection, second copper 22 passes through PLC controller and first motor 12, pneumatic cylinder 8 electric connection, can be after the combustible gas in air feed tank 102 has used up, can be automatically with the air feed tank 102 that prepares in advance shift to station department and continue the air feed, thereby guaranteed that the inside air supply of detection device is sufficient, avoid the inside air supply of detection device not enough, can influence the problem of detection device normal use.
The induction component 41 comprises an induction cavity 411 and a plurality of heat-conducting plates 412, the induction cavity 411 is arranged in the installation seat 1, the induction cavity 411 is of an annular structure, the heat-conducting plates 412 are uniformly embedded in the inner wall of the induction cavity 411, mercury 42 is filled in the induction cavity 411, the upper side wall of the induction cavity 411 is communicated with a vertical cylinder 43, the inner wall of the vertical cylinder 43 is fixedly connected with a placing ring 44, a piston plate 45 is placed on the upper side wall of the placing ring 44, an electric contact frame 46 is fixedly connected with the upper side wall of the piston plate 45, an upper electric contact block 47 and a lower electric contact block 48 are embedded in the inner wall of the vertical cylinder 43, the electric contact frame 46 is electrically connected with an external power supply, the lower electric contact block 48 is electrically connected with a metering air pump 6 and an igniter 4, an electric control mechanism 49 is fixedly connected with the upper side wall of the installation seat 1, and the upper electric contact block 47 is electrically connected with the electric control mechanism 49, and whether an area to be measured can be measured to contain oxygen.
The electric control mechanism 49 comprises an electric control box 491 and an electromagnetic block 492, wherein the upper electric contact block 47 is electrically connected with the electromagnetic block 492, the electric control box 491 is fixedly connected with the upper side wall of the mounting seat 1, the electromagnetic block 492 is fixedly connected with the upper side inner wall of the electric control box 491, the inner wall of the electric control box 491 is fixedly connected with a plugboard 50, a plugboard 50 is inserted with a plugboard 51, the upper end of the plugboard 51 is fixedly connected with a transverse board 52, the transverse board 52 is fixedly connected with the plugboard 50 through a spring, the upper side wall of the transverse board 52 is fixedly connected with a permanent magnet plate 53, the lower end of the plugboard 51 is fixedly connected with an upper metal block 54, the lower side inner wall of the electric control box 491 is fixedly connected with a lower metal block 55, the upper metal block 54 is electrically connected with an external power supply, and the upper metal block 54 can be controlled to be contacted or separated from the lower metal block 55.
The display component 24 comprises a fixing frame 241 and a control motor 242, the fixing frame 241 is fixedly connected to the left side wall of the mounting seat 1, the control motor 242 is fixedly connected to the side wall of the fixing frame 241, the output end of the control motor 242 penetrates through the side wall of the fixing frame 241 and is fixedly connected with a mounting frame 25, the left end of the mounting frame 25 is fixedly connected with a display frame 26, the inner wall of the display frame 26 is rotationally connected with a threaded rod 27, the lower side wall of the display frame 26 is fixedly connected with a second motor 28, a lower metal block 55 is electrically connected with the second motor 28, the output end of the second motor 28 penetrates through the side wall of the display frame 26 and is fixedly connected with the threaded rod 27, a threaded cylinder 29 is sleeved on the rod wall of the threaded rod 27, the side wall of the threaded cylinder 29 is inserted with an air inlet pipe 30, the air inlet end of the air inlet pump 23 is communicated with a long pipe 31, the left end of the long pipe 31 is rotationally connected with the inner wall of the air inlet pipe 30 through a sealing bearing, two electrifying blocks 32 are symmetrically and fixedly connected to the front side and the rear side of the threaded cylinder 29, two grooves 33 are formed in the inner walls of the front side and the rear side of the display frame 26, a plurality of electrifying plates 34 are fixedly connected to the inner walls of the grooves 33, lamp plates 35 are fixedly connected to the outer walls of the front side and the rear side of the display frame 26, a plurality of green lamp beads 36 are fixedly connected to the side wall of the left lamp plate 35, a plurality of red lamp beads 37 are fixedly connected to the side wall of the right lamp plate 35, the left electrifying plates 34 and the green lamp beads 36 are electrically connected one by one, the right electrifying plates 34 and the red lamp beads 37 are electrically connected one by one, contact blocks 39 are electrically connected to the right side wall of the threaded cylinder 29 through unidirectional diodes 38, contact blocks 39 and electromagnetic blocks 492 are electrically connected to the right side wall of the display frame 26, a plurality of contact plates 40 are fixedly connected to the right side wall of the display frame 26, the contact plates 40 are electrically connected to an external power supply, the plurality of contact plates 40, the red light beads 37 and the green light beads 36 are all on the same horizontal plane, so that when harmful gas in a factory building is detected by the detection device, the display direction of the display assembly 24 can be automatically switched according to the density of the harmful gas, the height filled with the harmful gas is displayed by the red light beads, and a safety area not filled with the harmful gas is displayed by the green light beads, so that the color contrast is clear, and the rapid judgment of rescue workers is facilitated.
The lateral wall fixedly connected with two guide bars 56 of diaphragm 52, the lateral wall of picture peg 50 has seted up two and guide holes 57 that guide bar 56 mutually match, has improved the stability of diaphragm 52 reciprocates.
The sealing ring 58 is fixedly connected to the side wall of the air inlet cover 7, and the sealing groove 59 matched with the sealing ring 58 is formed in the side wall of the connecting cover 17, so that the tightness between the air inlet cover 7 and the connecting cover 17 is improved.
The upper side wall of the detection chamber 2 is communicated with an exhaust hood 60, and an exhaust fan 61 is arranged in the exhaust hood 60 to exhaust the combustible gas which is not combusted out of the detection chamber 2.
The principle of operation of the present invention will now be described as follows: when the harmful gas with high gas density is stored in the factory building, one end of the control display frame 26 with the second motor 28 is placed downwards, and the timing control is performed by the PLC controller, so that the air inlet pump 23 works for twenty seconds every three minutes, and the metering air pump 6 is controlled to work ten seconds later after the air inlet pump 23 is started each time, the contact block 39 and the contact plate 40 in the display frame 26 are in contact with each other in the initial state, the PLC controller synchronously transmits external current to the contact plate 40 for a period of time when controlling the air inlet pump 23 to work, the contact block 39 is electrically connected with the electromagnetic block 492 through the timer, after the external current is transmitted to the contact plate 40, the external current flows to the electromagnetic block 492 through the contact plate 40 and the contact block 39, so that the electromagnetic block 492 generates magnetic force, the electromagnetic block 492 adsorbs the permanent magnet plate 53, the permanent magnet plate 53 drives the upper metal plate to move upwards to a proper position through the transverse plate 52 and the inserting rod 51, so that the upper metal plate and the lower metal plate are separated, the PLC controller transmits external current to the upper metal plate for two seconds later, the upper metal plate is electrically connected with an external power supply, the lower metal plate is electrically connected with the second motor 28, when the upper metal plate and the lower metal plate are separated, the circuit of the second motor 28 is disconnected, therefore, the second motor 28 cannot work, the air inlet pipe 30 sucks in a fixed position, after the harmful gas in the area, the air inlet pump 23 transmits the harmful gas into the detection cavity 2, the harmful gas fills the detection cavity 2, thereby isolating the contact between the flame head 3 and oxygen, when the metering air pump 6 transmits the combustible gas in the air supply tank 102 into the detection cavity 2, the igniter 4 cannot ignite the flame head 3 due to lack of oxygen, after the contact plate 40 reaches the time set by a timer, the circuit between the contact block 39 and the electromagnetic block 492 is disconnected, so that the electromagnetic block 492 loses magnetism, the transverse plate 52 drives the inserting rod 51 and the upper metal block 54 to move downwards under the elasticity of the spring, the upper metal block 54 is contacted with the lower metal block 55, the upper metal block 54 is electrically connected with an external power supply, the lower metal block 55 is electrically connected with the second motor 28, the external power supply is transmitted to the second motor 28, the second motor 28 is enabled to work, the second motor 28 drives the threaded rod 27 to rotate, the threaded cylinder 29 is driven to move upwards through threaded fit until the threaded cylinder 29 drives the contact block 39 to be contacted with one contact plate 40 above, external current is continuously transmitted to the electromagnetic block 492 again, the circuit of the second motor 28 is disconnected, the threaded cylinder 29 stops moving, the threaded cylinder 29 drives the air inlet pipe 30 and the electrified block 32 to stay at the position, and the gas at the position can be checked repeatedly;
when the stay of the air inlet pipe 30 is not filled with harmful gas, the air containing oxygen is supplied to the detection cavity 2 by the air inlet pump 23, the combustible gas is ignited when the next time the flame-spraying head 3 ignites, the ignited flame heats the surrounding heat conducting plate 412, the heat conducting plate 412 transfers heat to the mercury 42 in the sensing cavity 411, after the mercury 42 is heated, when the temperature rises according to the ideal gas state equation pv=nrt, the molecular kinetic energy in the mercury 42 increases, the interaction between molecules is weakened, the whole volume increases, the expanded mercury 42 pushes the piston plate 45 to move upwards, the piston plate 45 drives the electric contact frame 46 to move upwards to a proper position, the electric contact frame 46 is contacted with the upper electric contact block 47, the electric contact frame 46 is electrically connected with an external power supply, and when moving upwards, the connection with the lower electric contact block 48 is disconnected, the lower electric contact block 48 is electrically connected with the metering air pump 6, the circuit of the metering air pump 6 is disconnected, the supply of air is stopped, the upper electric contact block 47 is electrically connected with the electromagnetic block 492, so that external current is transmitted to the electromagnetic block 492 through the electric contact frame 46 and the upper electric contact block 47, the electromagnetic block 492 generates magnetic attraction to the permanent magnet plate 53 to move upwards, the permanent magnet plate 53 drives the transverse plate 52, the inserting rod 51 and the upper metal block 54 to move upwards, the upper metal block 54 is separated from the lower metal block 55, the upper metal block 54 is electrically connected with an external power supply, the lower metal block 55 is electrically connected with the second motor 28, the circuit of the second motor 28 is disconnected, the threaded cylinder 29 is stopped moving, the above steps are repeated for the area before the mercury 42 air temperature is reduced, the piston plate 45 drives the electric contact frame 46 to move downwards, the harmful gas leakage area is ensured, the timeliness of the harmful gas detection result;
when the screw tube 29 stays in a certain area, the electrifying blocks 32 are contacted with electrifying plates 34 in the area, and the electrifying plates 34 are electrically connected through unidirectional diodes 38, so that current can only flow through green lamp beads 36 from bottom to top and through red lamp beads 37 from top to bottom, harmful gas with higher density is filled below the height of the red lamp beads 37, and the height of the green lamp beads is an area without harmful gas temporarily;
when the combustible gas in the left gas supply tank 102 is used, the weight of the left gas supply tank 102 is lightened, the lifting plate 14 drives the left gas supply tank 102 to move upwards under the elasticity of a spring until the first copper plate 21 is contacted with the second copper plate 22, the first copper plate 21 is electrically connected with an external power supply, the second copper plate 22 is electrically connected with the first motor 12 and the hydraulic cylinder 8 through the PLC controller, when the first copper plate 21 is contacted with the second copper plate 22, an electric signal is transmitted to the PLC controller, the PLC controller firstly controls the output end of the hydraulic cylinder 8 to move leftwards, the hydraulic cylinder 8 drives the gas inlet cover 7 to move leftwards, the gas inlet cover 7 is separated from the connecting cover 17, then the first motor 12 is controlled to continuously work for a period of time, the first motor 12 drives the rotary column 11 leftwards through a bevel gear assembly, the rotary column 11 drives the gas supply seat 101 and the two gas supply tanks 102 to rotate one hundred and ten degrees, the right ready gas supply tank 102 is rotated to the left side, then the hydraulic cylinder 8 is controlled to drive the gas inlet cover 7 to move rightwards, the gas inlet cover 7 is contacted with the connecting cover 17, and the gas inlet cover 58 is inserted into the connecting frame 58, thereby the electromagnetic valve 7 is contacted with the connecting frame 18, the electromagnetic valve is opened, the electromagnetic valve is electrically connected with the electromagnetic valve frame 20, and the electromagnetic valve frame 20 is electrically connected with the electromagnetic valve frame 20 is opened, and the electromagnetic valve frame 20 is electrically connected with the electromagnetic valve frame 20 is electrically opened, and the electromagnetic valve frame 20 is electrically connected with the electromagnetic valve frame 19, and the electromagnetic valve frame 20 is electrically conductive frame 19, and the electromagnetic valve is connected with the electromagnetic valve frame 19, and the electromagnetic valve is electrically conductive frame 18 is connected with the electromagnetic valve 20, and the electromagnetic valve 20 is connected with the electromagnetic valve 20, and the electromagnetic valve 20;
when the harmful gas with smaller gas density needs to be detected, the control motor 242 can be started to work, the control motor 242 drives the display frame 26 to rotate by one hundred eighty degrees, the air inlet pipe 30 can be controlled to move along the path from the upper part to sequentially convey the detected gas from top to bottom into the detection cavity 2 for detection, the range of the harmful gas dissipation with smaller gas density can be detected by referring to the working principle, and the filling area of the harmful gas can be displayed through the heights displayed by the red light beads 37 and the green light beads 36.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides an air quality detection device, includes mount pad (1), its characterized in that, detection chamber (2) have been seted up to the inside of mount pad (1), the downside inner wall fixedly connected with flame projecting head (3) of detection chamber (2), the last lateral wall fixedly connected with some firearm (4) of flame projecting head (3), the inlet end intercommunication of flame projecting head (3) has gas pipe (5), the right-hand member intercommunication of gas pipe (5) has measurement air pump (6), the inlet end intercommunication of measurement air pump (6) has inlet housing (7), the right side wall fixedly connected with pneumatic cylinder (8) of mount pad (1), the lateral wall fixedly connected with pneumatic cylinder (8) of output through elastic expansion link and inlet housing (7), the right side wall fixedly connected with bottom plate (9) of mount pad (1), the last lateral wall of bottom plate (9) is connected with air feed assembly (10), inlet housing (7) and air feed assembly (10) intercommunication, the left side wall connection of mount pad (1) has measurement air pump (23), the lateral wall (24) of detection chamber (23), the lateral wall (41) of mount pad (1) has the sensor assembly.
2. The air quality detection device according to claim 1, wherein the air supply assembly (10) comprises an air supply seat (101) and two air supply tanks (102), the upper side wall of the bottom plate (9) is rotationally connected with a rotary column (11) and a first motor (12), the output end of the first motor (12) is in transmission connection with the rotary column (11) through a bevel gear assembly, the air supply seat (101) is fixedly connected with the upper end of the rotary column (11), the upper side wall of the air supply seat (101) is provided with two placing grooves (13), the lower side inner wall of the placing grooves (13) is fixedly connected with a lifting plate (14) through a spring, the two air supply tanks (102) are respectively placed in the two placing grooves (13), the tank walls of the air supply tanks (102) are communicated with a transverse tube (16), the end part of the transverse tube (16) far away from the air supply tank (102) is communicated with a connecting cover (17), the inner wall of the transverse tube (16) is connected with an electromagnetic valve (18), the upper side wall of the air supply cover (7) is fixedly connected with the upper side wall of the rotating column, the upper side wall of the air supply seat (101) is fixedly connected with the lifting plate (14), the lower side wall of the lifting plate (12) is fixedly connected with the lifting plate (19), the lifting plate (20) is electrically connected with the lifting plate (20), the lifting plate (20) and the upper side wall is electrically connected with the lifting plate (20), the inner wall of the placing groove (13) is inlaid with a second copper plate (22), the first copper plate (21) is electrically connected with an external power supply, and the second copper plate (22) is electrically connected with the first motor (12) and the hydraulic cylinder (8) through a PLC.
3. The air quality detection device according to claim 2, wherein the induction component (41) comprises an induction cavity (411) and a plurality of heat conducting plates (412), the induction cavity (411) is arranged in a mounting seat (1), the induction cavity (411) is of an annular structure, the plurality of heat conducting plates (412) are evenly embedded in the inner wall of the induction cavity (411), mercury (42) is filled in the induction cavity (411), a vertical cylinder (43) is communicated with the upper side wall of the induction cavity (411), a placing ring (44) is fixedly connected with the inner wall of the vertical cylinder (43), a piston plate (45) is placed on the upper side wall of the placing ring (44), an electric contact rack (46) is fixedly connected with the upper side wall of the piston plate (45), an upper electric contact block (47) and a lower electric contact block (48) are embedded in the inner wall of the vertical cylinder (43), the electric contact rack (46) is electrically connected with an external power supply, the lower electric contact block (48) is electrically connected with an air pump (6), an igniter (4) is electrically connected with the upper side wall of the mounting seat (49), and the electric control mechanism (49) is electrically connected with the electric control mechanism (49).
4. An air quality detection device according to claim 3, characterized in that, electric control mechanism (49) includes electric cabinet (491) and electromagnetism piece (492), go up electric contact piece (47) and electromagnetism piece (492) electric connection, electric cabinet (491) fixed connection is at the upper side wall of mount pad (1), electromagnetism piece (492) fixed connection is at the upside inner wall of electric cabinet (491), the inner wall fixedly connected with picture peg (50) of electric cabinet (491), peg graft in picture peg (50) have inserted bar (51), the upper end fixedly connected with diaphragm (52) of inserted bar (51), diaphragm (52) pass through spring and picture peg (50) fixed connection, the upper side wall fixedly connected with permanent magnetism board (53) of diaphragm (52), the lower extreme fixedly connected with of inserted bar (51) goes up metal piece (54), the downside inner wall fixedly connected with of electric cabinet (491) lower metal piece (55), go up metal piece (54) and external power source electric connection.
5. The air quality detection device according to claim 4, wherein the display assembly (24) comprises a fixing frame (241) and a control motor (242), the fixing frame (241) is fixedly connected to the left side wall of the mounting seat (1), the control motor (242) is fixedly connected to the side wall of the fixing frame (241), the output end of the control motor (242) penetrates through the side wall of the fixing frame (241) and is fixedly connected with a mounting frame (25), the left end of the mounting frame (25) is fixedly connected with a display frame (26), the inner wall of the display frame (26) is rotatably connected with a threaded rod (27), the lower side wall of the display frame (26) is fixedly connected with a second motor (28), the lower metal block (55) is electrically connected with the second motor (28), the output end of the second motor (28) penetrates through the side wall of the display frame (26) and is fixedly connected with a threaded rod (27), a threaded sleeve (29) is sleeved on the rod wall of the threaded rod, the threaded sleeve (29) is provided with an air inlet pipe (30), the inner wall of the threaded sleeve (29) is rotatably connected with a threaded rod (27), the air inlet pipe (31) is rotatably connected with the two side walls of the air inlet pipe (31) through two symmetrical air inlet pipe (31) and the two air inlet pipe (31), two grooves (33) are formed in the inner walls of the front side and the rear side of the display frame (26), a plurality of electrifying plates (34) are fixedly connected to the inner walls of the grooves (33), lamp plates (35) are fixedly connected to the outer walls of the front side and the rear side of the display frame (26), a plurality of green lamp beads (36) are fixedly connected to the side walls of the lamp plates (35) and located on the left side, a plurality of red lamp beads (37) are fixedly connected to the side walls of the lamp plates (35) and located on the left side, the electrifying plates (34) and the green lamp beads (36) are electrically connected one by one, the electrifying plates (34) are electrically connected one by one through unidirectional diodes (38), contact blocks (39) are fixedly connected to the right side walls of the threaded cylinders (29), a plurality of contact plates (40) are fixedly connected to the right side inner walls of the lamp plates (35), and the contact plates (40) are electrically connected to the outside of the same horizontal plane, and the red lamp beads (37) are electrically connected to the outside.
6. An air quality inspection device according to claim 4, characterized in that the side wall of the cross plate (52) is fixedly connected with two guide rods (56), and the side wall of the plugboard (50) is provided with two guide holes (57) matched with the guide rods (56).
7. An air quality inspection device according to claim 2, characterized in that the side wall of the air inlet hood (7) is fixedly connected with a sealing ring (58), and the side wall of the connecting hood (17) is provided with a sealing groove (59) matched with the sealing ring (58).
8. An air quality detecting device according to claim 1, characterized in that the upper side wall of the detecting cavity (2) is communicated with an exhaust hood (60), and an exhaust fan (61) is arranged in the exhaust hood (60).
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| CN202311666670.2A CN117367676B (en) | 2023-12-07 | 2023-12-07 | Air quality detection device |
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| CN202311666670.2A CN117367676B (en) | 2023-12-07 | 2023-12-07 | Air quality detection device |
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