CN113823068A - Gas leakage detection alarm device based on Internet of things - Google Patents
Gas leakage detection alarm device based on Internet of things Download PDFInfo
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- CN113823068A CN113823068A CN202111381696.3A CN202111381696A CN113823068A CN 113823068 A CN113823068 A CN 113823068A CN 202111381696 A CN202111381696 A CN 202111381696A CN 113823068 A CN113823068 A CN 113823068A
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- 239000007789 gas Substances 0.000 description 115
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- 238000004891 communication Methods 0.000 description 7
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/50—Safety; Security of things, users, data or systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/003—Arrangements of electric cables or lines between relatively-movable parts using gravity-loaded or spring-loaded loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/20—Systems characterised by their energy storage means
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention belongs to the technical field of gas equipment, and particularly relates to a gas leakage detection alarm device based on the Internet of things, which comprises an upper pipe body and a lower pipe body, wherein the outer sides of the upper pipe body and the lower pipe body are respectively sleeved with an upper supporting rotary seat and a lower transmission rotary seat; the invention can clearly indicate the gas leakage position of the pipeline and can timely send the related position information to the working personnel, thereby facilitating the working personnel to check and maintain in time and having good use effect.
Description
Technical Field
The invention belongs to the technical field of gas equipment, and particularly relates to a gas leakage detection alarm device based on the Internet of things.
Background
The marine transportation industry refers to activities which take ships as main tools for marine transportation and provide services for marine transportation, and comprises ocean passenger transportation, coastal passenger transportation, ocean cargo transportation, coastal cargo transportation, water transportation auxiliary activities, pipeline transportation industry, loading and unloading and carrying and other transportation service activities.
At present, domestic sailing ships use liquefied gas as kitchen fuel quite commonly, the liquefied gas is convenient to supplement and clean to use and convenient to store and carry, so the liquefied gas cylinder becomes common equipment on ships, but the liquefied gas is flammable and explosive gas, the storage and the use on the ships meet special safety requirements, according to regulations of sea 04/08 and sea 11, the gas cylinder is made of steel materials and is stored in an open deck or a well-ventilated place with an opening only facing the open deck, the gas cylinder is provided with a firm fastening device, a fastened cylinder hoop can be conveniently and quickly separated, the bottom of a steel cylinder is provided with an anti-collision wood pad, a pipeline for conveying the gas fuel from the gas cylinder to a stove and a water heater is made of steel or other equivalent materials in front of a pressure reducing valve, a flexible hose can be adopted behind the pressure reducing valve, and people can clearly know that the liquefied gas cylinder needs a fixed storage position through the regulations, preferably in a sheltered open or semi-open place, which results in the liquefied gas cylinder not being able to be placed directly in the kitchen, being stored only at a specific location at a greater distance from the kitchen and being connected before the pressure reducing valve only by a pipe that should be made of steel or other equivalent material.
The existing gas transmission pipeline made of steel or other equivalent materials can cause combustible gas leakage due to untight connection after being connected, and can also cause explosion if the combustible gas is too much, in order to timely detect whether the gas leakage exists at the joint of the gas transmission pipeline, an infrared combustible gas detector is generally arranged at the joint of the gas transmission pipeline, but the existing infrared combustible gas detector can only sense whether the gas leakage exists in a certain range and can not specifically detect the relevant gas leakage position, and related workers further need to detect the gas leakage position by eye, ear, nose or foam inspection methods, the operation mode has low working efficiency, and has certain danger due to overlong retention time, the pipeline is longer when the gas transmission pipeline is laid, and the audible and visual alarm on the infrared combustible gas detector can only transmit a very small range, the detection is inconvenient for workers to detect, the optimal overhaul time is missed, and the using effect is poor.
In order to solve the problem, the application provides a gas leakage detection alarm device based on the Internet of things.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the gas leakage detection alarm device based on the internet of things, which can clearly indicate the gas leakage position of the pipeline and can timely send the related position information to related workers, so that the workers can conveniently check and maintain the gas leakage detection alarm device in time, the working efficiency is improved, and the use effect is good.
In order to achieve the purpose, the invention provides the following technical scheme: a gas leakage detection alarm device based on the Internet of things comprises an upper pipe body and a lower pipe body, wherein the upper pipe body is connected with the lower pipe body through a flange plate, the outer sides of the upper pipe body and the lower pipe body are respectively and symmetrically sleeved with an upper supporting rotary seat and a lower transmission rotary seat, the outer sides of the upper pipe body and the lower pipe body are respectively sleeved with a fixing frame, the fixing frames are respectively positioned at the outer sides of the upper supporting rotary seat and the lower transmission rotary seat, a driving assembly is fastened on the inner wall of each fixing frame through bolts, the driving assembly is positioned at one side of the lower transmission rotary seat and is connected with the lower transmission rotary seat through a driving belt, a supporting frame is arranged between the upper supporting rotary seat and the lower transmission rotary seat, the inner wall of each supporting frame is slidably connected with a detection rod seat, two ends of the detection rod seat penetrate through the outer part of the supporting frame and are respectively screwed with a sealing assembly and an alarm assembly, one end, far away from the detection rod seat, is slidably connected to the outer surface of the flange plate, the utility model discloses a detection pole seat, including support, warning subassembly, detection pole seat, upper tube body, support top bolt fastening, drive assembly, warning subassembly, one end bolt fastening that the detection pole seat was kept away from to the warning subassembly is at the support frame surface, a side surface joint that the support frame is close to sealing component is fixed with detection subassembly, detection subassembly one end is run through into in the detection pole seat and is linked together with the detection pole seat is inside, upper tube body one side is provided with the support, just support top bolt fastening has the PLC controller, the PLC controller respectively with drive assembly, warning subassembly and detection subassembly electric connection.
Preferably, the gas leakage detection alarm device based on the internet of things is characterized in that a wire management device is sleeved on the outer side of the upper tube body and located between the upper support rotary seat and the fixed frame, the wire management device comprises a wire guide frame, a wire fixing support, a sliding frame, a sliding block and a spring, the wire guide frame is sleeved on the outer side of the upper tube body, the wire guide frame is located between the upper support rotary seat and the fixed frame, the wire fixing support is in threaded connection with the top of the support frame, the sliding frame is fastened to the top of the support frame and located on one side of the PLC controller, the sliding block is in sliding connection with the inner wall of the sliding frame, the spring is arranged between the surface of the sliding block and the inner wall of the sliding frame, one end of the spring is welded and fixed to the surface of the sliding block, the other end of the sliding block is welded and fixed to the inner wall of the sliding frame, an electric conduction main wire is clamped and fixed to the inner wall of the sliding block, one end of the electric conduction main wire penetrates through the outer portion of the sliding frame and is connected with the PLC controller, the other end of the wire fixing support is connected with the wire distributing end head arranged on the top of the wire fixing support in a sliding mode, and the wire distributing end head is connected with the driving assembly, the alarming assembly and the detecting assembly through the conductive branch wires respectively.
Preferably, the solar panel assembly is arranged at the top of the support and located on one side of the sliding frame, the solar panel assembly comprises a box body, a solar panel, a transformer and a storage battery, the box body is fastened at the top of the support through bolts, the solar panel is fastened at the top of the box body through bolts, the transformer and the storage battery are respectively fastened and fixed on the inner wall of the box body in an up-and-down clamping mode, the solar panel, the transformer and the storage battery are sequentially connected through conducting wires in sequence, the PLC is fastened on the outer surface of the box body through bolts, and the storage battery is electrically connected with the PLC.
Preferably, the driving assembly comprises a mounting seat, a gear carrier and a motor, the mounting seat is fastened on the inner wall of the fixing frame through bolts, the gear carrier is rotatably connected to the bottom of the mounting seat, the motor is fastened on the inner wall of the fixing frame through bolts and corresponds to the gear carrier in position, and the output end of the motor is fixedly connected to the outer surface of the central shaft of the gear carrier.
Preferably, the lower transmission swivel mount comprises a base body, a guide post, a fixed disc seat, a gear disc seat and a connecting rod, the base body is sleeved outside the lower pipe body, the guide post is uniformly screwed on the inner wall of the base body, the fixed disc seat and the gear disc seat are vertically arranged inside the base body and are connected to the outer surface of the guide post in a sliding manner, the fixed disc seat is connected with the gear disc seat through the connecting rod, and the gear disc seat is connected with a gear carrier through a transmission belt.
Preferably, the gas leakage detection alarm device based on the internet of things comprises a detection rod seat and a detection rod seat, wherein the detection rod seat comprises a rod body, a sliding cavity, an air inlet nozzle, a conical head and a vent groove, the rod body is connected to the inner wall of a support frame in a sliding mode, the sliding cavity and the air inlet nozzle are respectively arranged on the outer surfaces of the left end and the right end of the rod body and communicated with each other, the conical head is connected to the inner wall of the sliding cavity in a sliding mode, and the vent groove is arranged at the top of the rod body and communicated with the inside of the sliding cavity.
Preferably, the gas leakage detection alarm device based on the internet of things comprises a hoop, a sliding bead, a sealing ring and an annular clamping ring, wherein the hoop is provided with an annular groove, the hoop is connected to the inner wall of the annular groove in a sliding manner, the sliding bead is evenly connected to the inner wall of the hoop in a sliding manner and attached to the inner wall of the annular groove, the sealing ring is symmetrically sleeved on the outer surface of the hoop and attached to the inner wall of the annular groove, and the annular clamping ring is sleeved on the outer side of the hoop and connected to the outer surface of the clamping ring in a sliding manner.
Preferably, the alarm assembly comprises a shell, a photoelectric sensor, a Beidou positioner and an audible and visual alarm, the shell is fastened on the outer surface of the support frame through bolts and is connected with one end of the rod body, and the photoelectric sensor, the Beidou positioner and the audible and visual alarm are sequentially clamped and fixed on the inner wall of the shell from top to bottom in sequence.
Preferably, the gas leakage detection alarm device based on the Internet of things comprises a mounting plate frame, a locking cap, a detection cylinder, an air outlet pipe, an air inlet pipe, a miniature air pump, a gas infrared detection mechanism and an exhaust fan, the mounting plate frame is clamped and fixed on the surface of one side of the support frame close to the sealing assembly, one end of the mounting plate frame penetrates out of the support frame and is in threaded connection with a locking cap, the detection cylinder body is fastened on the surface of one side of the mounting plate frame close to the sealing component through bolts, the air outlet pipe and the air inlet pipe are communicated with the inner part of the detection cylinder body and are respectively arranged at the top and the bottom of the detection cylinder body, one end of the air inlet pipe is connected with the vent groove, the miniature air pump, the gas infrared detection mechanism and the exhaust fan are sequentially clamped and fixed on the inner wall of the detection barrel body from bottom to top, the air inlet pipe, the miniature air pump and the fuel gas infrared detection mechanism are connected through air delivery pipes.
Preferably, the connection cavity is formed in the position, corresponding to the sliding cavity, of the surface of the shell, the sliding cavity is matched with and communicated with the connection cavity in shape and size, the photoelectric sensor is communicated with the inside of the connection cavity, and the sliding cavity, the air inlet nozzle, the conical head, the connection cavity and the photoelectric sensor are all located on the same axial line.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention has novel design and reasonable structure, and is provided with the PLC controller, the driving assembly, the lower transmission swivel base and the support frame, wherein the PLC controller controls the driving assembly to operate, the driving assembly rotates to synchronously drive the lower transmission swivel base to rotate through the driving belt, and the lower transmission swivel base rotates to synchronously drive the support frame to rotate around the annular groove, so that the annular groove is convenient to detect, the integral operation is simple, and the use is convenient;
(2) the gas leakage detection device is provided with the sealing component and the detection rod seat, the sealing component is arranged outside the annular groove and seals the positions except the gas inlet nozzle, so when gas leaks from the annular groove, the gas can only be discharged from the position corresponding to the position of the gas inlet nozzle, when the gas inlet nozzle moves to the position corresponding to the position of the leaked gas, the leaked gas can be guided by the gas inlet nozzle and then sprayed into the sliding cavity, then the conical head in the sliding cavity can quickly move into the photoelectric sensor under the blowing of the gas, when the photoelectric sensor detects the conical head, the related data information can be sent to the PLC controller, the PLC controller controls the motor to stop running, the position of the gas leakage can be known by checking the position of the alarm device, the maintenance is convenient in time, and the use effect is good;
(3) the invention is provided with a detection component and an alarm component, the detection component is designed to be convenient for extracting leakage gas and detecting the type of the gas, if the gas is combustible, the operation of the exhaust fan can be controlled, the exhaust fan and the micro air pump are matched for use, the diffusion speed of the combustible gas is accelerated, the explosion phenomenon caused by overhigh concentration is prevented, the alarm component is convenient for detecting whether gas leakage exists or not, if the gas leakage exists, the positioning information of the leakage area is sent to the PLC through the Beidou positioner and then sent to an external upper computer through the PLC, so that related personnel can know the gas leakage position conveniently, the built-in audible and visual alarm can emit warning lights and warning voices, so that related workers can be reminded in time when checking and maintaining on site conveniently, related positions can be found quickly conveniently, and the use effect is good;
(4) the wire arranging device is arranged, the spring and the sliding block are matched with each other, so that the conductive main wire is driven to reset, the checking and the maintenance are facilitated, the orderliness is strong, and the using effect is good;
(5) the solar panel component is arranged, the design of the solar panel component is convenient for providing electric energy for the PLC, the circuit installation is reduced, the whole energy is saved, the environment is protected, the continuous power supply is convenient, the practicability is high, and the using effect is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the annular groove structure of the present invention;
FIG. 3 is a schematic view of a lower transmission rotary base according to the present invention;
FIG. 4 is a schematic view of the supporting frame of the present invention;
FIG. 5 is a schematic view of the detecting rod seat of the present invention;
FIG. 6 is a schematic view of the structure of the cone head of the present invention;
FIG. 7 is a schematic view of a seal assembly of the present invention;
FIG. 8 is a schematic view of the alarm assembly of the present invention;
FIG. 9 is a schematic view of the detecting assembly of the present invention;
FIG. 10 is a schematic view of a solar panel assembly according to the present invention;
FIG. 11 is an enlarged view of the structure at A of FIG. 1 according to the present invention;
FIG. 12 is a schematic block diagram of the system of the present invention.
In the figure:
1. a pipe body is arranged; 2. a lower pipe body; 3. an upper supporting swivel base;
4. a down-drive swivel mount; 41. a base body; 42. a guide post; 43. a fixed disk seat; 44. a gear plate seat; 45. a connecting rod;
5. a fixed mount;
6. a drive assembly; 61. a mounting seat; 62. a gear carrier; 63. a motor;
7. a support frame;
8. a detection rod base; 81. a rod body; 82. a slide chamber; 83. an air inlet nozzle; 84. a conical head; 85. a vent channel;
9. a seal assembly; 91. a hoop; 92. a sliding bead; 93. a seal ring; 94. an annular collar;
10. an alarm component; 101. a housing; 102. a photosensor; 103. a Beidou positioner; 104. an audible and visual alarm;
11. a detection component; 111. installing a plate frame; 112. a lock cap; 113. detecting the cylinder; 114. an air outlet pipe; 115. an air inlet pipe; 116. a micro air pump; 117. a gas infrared detection mechanism; 118. an exhaust fan;
12. a wire arranging device; 121. a lead frame; 122. a wire fixing bracket; 123. a sliding frame; 124. a slider; 125. a spring;
13. a solar panel assembly; 131. a box body; 132. a solar panel; 133. a transformer; 134. a storage battery;
14. a PLC controller;
100. a flange plate; 200. a transmission belt; 300. a conductive main line; 400. a branching end; 500. a support; 1000. an annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Please refer to fig. 1-12;
a gas leakage detection alarm device based on the Internet of things comprises an upper pipe body 1 and a lower pipe body 2, wherein the upper pipe body 1 is connected with the lower pipe body 2 through a flange plate 100, the outer sides of the upper pipe body 1 and the lower pipe body 2 are respectively and symmetrically sleeved with an upper supporting rotary seat 3 and a lower transmission rotary seat 4, the outer sides of the upper pipe body 1 and the lower pipe body 2 are respectively sleeved with a fixed frame 5, the fixed frames 5 are respectively positioned on the outer sides of the upper supporting rotary seat 3 and the lower transmission rotary seat 4, a driving assembly 6 is fastened on the inner wall of the fixed frame 5 through bolts, the driving assembly 6 is positioned on one side of the lower transmission rotary seat 4 and is connected with the lower transmission rotary seat 4 through a driving belt 200, a supporting frame 7 is arranged between the upper supporting rotary seat 3 and the lower transmission rotary seat 4, a detection rod seat 8 is slidably connected with the inner wall of the supporting frame 7, two ends of the detection rod seat 8 penetrate through the outer part of the supporting frame 7 and are respectively screwed with a sealing assembly 9 and an alarm assembly 10, one end of the sealing assembly 9, which is far away from the detection rod seat 8, is slidably connected with the outer surface of the flange plate 100, alarm component 10 keeps away from the one end bolt-up of detection pole seat 8 at support frame 7 surface, support frame 7 is close to a side surface joint of seal assembly 9 and is fixed with determine module 11, determine module 11 one end run through into in the detection pole seat 8 and with detect the inside being linked together of pole seat 8, it is provided with support 500 to go up 1 one side of the pipe body, and support 500 top bolt-up has PLC controller 14, PLC controller 14 respectively with drive assembly 6, alarm component 10 and determine module 11 electric connection.
In this embodiment, it should be noted that: the PLC controller 14 is internally provided with a wireless communication module, and the PLC controller 14 is in communication connection with an external upper computer through the wireless communication module.
In this embodiment, it should be noted that: the PLC controller 14 has a timer built therein and is electrically connected thereto.
In this embodiment: when the device is used, the PLC 14 controls the motor 63 to operate in a timing mode, the motor 63 is electrified to rotate in a positive direction and drives the gear rack 62 to rotate synchronously, the gear rack 62 rotates to drive the gear disc seat 44 to rotate synchronously through the driving belt 200, the gear disc seat 44 rotates to drive the fixed disc seat 43 to rotate synchronously through the connecting rod 45, the fixed disc seat 43 rotates to drive the supporting frame 7 to rotate synchronously, the supporting frame 7 rotates to drive the detection rod seat 8, the sealing component 9, the alarm component 10 and the lead frame 121 to move synchronously, because the sealing component 9 is arranged outside the annular groove 1000 and seals the positions except the air inlet nozzle 83, when air leaks from the annular groove 1000, the air can only be discharged from the position corresponding to the position of the air inlet nozzle 83, when the air inlet nozzle 83 moves to the position corresponding to the position of the leaked air, the leaked air is guided by the air inlet nozzle 83 and then sprayed into the sliding cavity 82, then the conical head 84 in the sliding cavity 82 moves fast to the inside of the photoelectric sensor 102 under the blowing of the gas, the photoelectric sensor 102 sends the related data information to the PLC controller 14 after detecting the conical head 84, the PLC controller 14 controls the motor 63 to stop running after receiving the data information, then controls the micro air pump 116 to run, because the conical head 84 moves to one side of the vent groove 85 under the blowing of the gas, the vent groove 85 and the inside of the sliding cavity 82 are in a communicated state, the micro air pump 116 pumps the gas in the sliding cavity 82 after running and conveys the gas to the inside of the gas infrared detection mechanism 117 for sensing by the infrared gas sensor, then the infrared gas sensor sends the sensed data information to the infrared gas detector, the infrared gas detector analyzes and compares the data to judge whether the pumped gas is combustible gas, if the gas is detected to be combustible gas, the data information is sent to the PLC controller 14, the PLC controller 14 controls the exhaust fan 118 to operate in a power-on mode, the exhaust fan 118 and the micro air pump 116 are used in a matched mode, the combustible gas emission speed is accelerated, explosion caused by overhigh concentration is prevented, meanwhile, the PLC controller 14 can also control the Beidou positioner 103 and the audible and visual alarm 104 to operate respectively, the Beidou positioner 103 operates to detect positioning information and send the positioning information to the PLC controller 14, the PLC controller 14 receives the positioning information and sends the positioning information and the gas detection result to an external upper computer through a wireless communication module, then related workers know the gas leakage position through the external upper computer to facilitate quick checking and maintenance, the audible and visual alarm 104 can send out warning lights and warning voices when operating in the power-on mode, the related workers can be reminded when checking and maintaining on site conveniently, the related positions can be found quickly conveniently, if the related workers detect that the gas is ordinary gas, or the related data information can be sent to the PLC controller 14, the PLC 14 sends the detection result and the positioning information to an external upper computer through a wireless communication module, so that relevant personnel can check and maintain the detection result in time through the external upper computer, when the relevant workers arrive at the site, the gas leakage position can be known through the position of the alarm component 10, the maintenance in time is convenient, the use effect is good, meanwhile, the device is also provided with a wire arranging device 12 and a solar panel component 13, when the motor 63 rotates forwards, the support frame 7 is synchronously driven to rotate forwards, the support frame 7 rotates forwards and synchronously drives the conductive mainline 300 to move, the conductive mainline 300 moves the traction sliding block 124 to move towards one side of the sliding frame 123, when the motor 63 rotates backwards, the support frame 7 synchronously drives the reverse rotation, so that the conductive mainline 300 is released, the sliding block 124 loses force and starts to reset under the traction of the spring 125 due to the release of the conductive mainline 300, thereby slider 124 resets and drives electrically conductive thread 300 and remove to one side of keeping away from support frame 7 and drive electrically conductive thread 300 and reset, easy operation, and is organized strong, and solar panel component 13 then receives the sunshine heat and converts into the electric energy, stores to battery 134 in after the voltage regulation of transformer 133 in, for PLC controller 14 provides the electric energy, is convenient for supply power and environmental protection practicality, excellent in use effect.
Further, the method comprises the following steps:
in an alternative embodiment: the wire management device 12 is sleeved outside the upper tube body 1, the wire management device 12 is positioned between the upper supporting swivel base 3 and the fixed frame 5, the wire management device 12 comprises a wire frame 121, a wire fixing bracket 122, a sliding frame 123, a sliding block 124 and a spring 125, the wire frame 121 is sleeved outside the upper tube body 1, the wire frame 121 is positioned between the upper supporting swivel base 3 and the fixed frame 5, the wire fixing bracket 122 is in threaded connection with the top of the supporting frame 7, the sliding frame 123 is in bolt fastening with the top of the bracket 500 and positioned at one side of the PLC controller 14, the sliding block 124 is in sliding connection with the inner wall of the sliding frame 123, the spring 125 is arranged between the surface of the sliding block 124 and the inner wall of the sliding frame 123, one end of the spring 125 is in welding connection with the surface of the sliding block 124, the other end is in welding connection with the inner wall of the sliding frame 123, the inner wall of the sliding block 124 is in clamping connection with a conductive main wire 300, one end of the conductive main wire 300 penetrates through the outside of the sliding frame 123 and is connected with the PLC controller 14, the other end 400 arranged at the top of the wire frame 122 in sliding connection with the surface of the wire frame 121, the branching end 400 is respectively connected with the driving component 6, the alarming component 10 and the detecting component 11 through conducting branch lines.
In this embodiment, it should be noted that: further explain the structure and the connection relation of the wire arranging device 12, when in use, the motor 63 positively rotates to drive the support frame 7 to rotate positively and synchronously drive the conductive main wire 300 to move, the conductive main wire 300 moves to pull the sliding block 124 to move towards one side of the sliding frame 123, when the motor 63 reversely rotates, the support frame 7 is synchronously driven to rotate reversely to release the conductive main wire 300, the sliding block 124 loses force to enable the sliding block 124 to start to reset under the traction of the spring 125, the sliding block 124 resets and synchronously drives the conductive main wire 300 to move towards one side far away from the support frame 7 to drive the conductive main wire 300 to reset, the operation is simple, the orderliness is strong, and the use effect is good.
Further, the method comprises the following steps:
in an alternative embodiment: the top of the support 500 is provided with the solar panel assembly 13, the solar panel assembly 13 is located one side of the sliding frame 123, the solar panel assembly 13 comprises a box body 131, a solar panel 132, a transformer 133 and a storage battery 134, the box body 131 is fastened on the top of the support 500 through bolts, the solar panel 132 is fastened on the top of the box body 131 through bolts, the transformer 133 and the storage battery 134 are respectively clamped and fixed on the inner wall of the box body 131 up and down, the solar panel 132, the transformer 133 and the storage battery 134 are sequentially connected through a conducting wire in sequence, the PLC controller 14 is fastened on the outer surface of the box body 131 through bolts, and the storage battery 134 is electrically connected with the PLC controller 14.
In this embodiment, it should be noted that: further explain solar panel assembly 13's structure and relation of connection, during the use, solar panel 132 receives the sunshine heat and converts the electric energy into, stores to battery 134 in after the transformer 133 pressure regulating, for PLC controller 14 provides the electric energy, is convenient for supply power and environmental protection practicality, excellent in use effect.
Further, the method comprises the following steps:
in an alternative embodiment: the driving assembly 6 comprises a mounting seat 61, a gear rack 62 and a motor 63, wherein the mounting seat 61 is fastened on the inner wall of the fixed frame 5 through bolts, the gear rack 62 is rotatably connected to the bottom of the mounting seat 61, the motor 63 is fastened on the inner wall of the fixed frame 5 through bolts and corresponds to the gear rack 62 in position, and the output end of the motor 63 is fixedly connected to the outer surface of the central shaft of the gear rack 62.
In this embodiment, it should be noted that: further explain the structure and the connection relation of the driving assembly 6, when in use, the PLC 14 controls the motor 63 to be electrified and operated, and the motor 63 is electrified and rotated to drive the gear carrier 62 to synchronously rotate, so that the whole operation is simple and the use is convenient.
Further, the method comprises the following steps:
in an alternative embodiment: the lower transmission rotary seat 4 comprises a seat body 41, a guide post 42, a fixed disk seat 43, a gear disk seat 44 and a connecting rod 45, wherein the seat body 41 is sleeved outside the lower pipe body 2, the guide post 42 is uniformly and threadedly connected to the inner wall of the seat body 41, the fixed disk seat 43 and the gear disk seat 44 are vertically arranged inside the seat body 41 and are slidably connected to the outer surface of the guide post 42, the fixed disk seat 43 is connected with the gear disk seat 44 through the connecting rod 45, and the gear disk seat 44 is connected with a gear carrier 62 through a transmission belt 200.
In this embodiment, it should be noted that: the surface of the base body 41 is provided with a strip-shaped groove corresponding to the position of the transmission belt 200.
In this embodiment, it should be noted that: further explain structure and relation of connection of underdrive swivel mount 4, during the use, PLC controller 14 control motor 63 circular telegram operation, motor 63 circular telegram is rotatory to drive and props up 62 synchronous rotations, it is rotatory to drive gear plate seat 44 through drive belt 200 synchronous belt, gear plate seat 44 is rotatory to drive fixed plate seat 43 rotatory through connecting rod 45 synchronous, fixed plate seat 43 rotary synchronization drives support frame 7 rotatory, support frame 7 rotary synchronization drives detection rod seat 8, seal assembly 9 and alarm assembly 10 synchronous revolution, the bulk operation is simple, excellent in use effect.
Further, the method comprises the following steps:
in an alternative embodiment: the detection rod seat 8 comprises a rod body 81, a sliding cavity 82, an air inlet nozzle 83, a conical head 84 and a vent groove 85, the rod body 81 is connected to the inner wall of the support frame 7 in a sliding mode, the sliding cavity 82 and the air inlet nozzle 83 are respectively arranged on the outer surfaces of the left end and the right end of the rod body 81 and are communicated, the conical head 84 is connected to the inner wall of the sliding cavity 82 in a sliding mode, and the vent groove 85 is arranged on the top of the rod body 81 and is communicated with the inside of the sliding cavity 82.
In this embodiment, it should be noted that: the conical head 84 is located between the nozzle 83 and the vent slot 85.
In this embodiment, it should be noted that: the conical head 84 is in the shape of a cone, and the material of the conical head 84 includes but is not limited to paper products, plastic products or silk floss products.
In this embodiment, it should be noted that: further explaining the structure and connection relation of the detection rod seat 8, when in use, one end of the rod body 81 is connected and tightly attached to the outer side of the annular collar 94, the other end of the rod body is contacted with the surface of the shell 101 and is communicated with the inside of the photoelectric sensor 102, because one end of the rod body 81 is connected and tightly attached to the outer side of the annular collar 94, the gas leaked from the annular groove 1000 can be discharged only through the position corresponding to the position of the air inlet nozzle 83, when the air inlet nozzle 83 moves to the position corresponding to the position of the leaked gas, the leaked gas is guided by the air inlet nozzle 83 and then sprayed into the sliding cavity 82, then the cone head 84 in the sliding cavity 82 can rapidly move to the position of the photoelectric sensor 102 under the blowing of the gas, because the cone head 84 moves to one side of the vent groove 85 under the blowing of the gas, the vent groove 85 is communicated with the inside of the sliding cavity 82, and the gas in the sliding cavity 82 can be conveniently pumped by the following micro air pump 116, the integral operation is simple, the use is convenient, the practicability is high, and the use effect is good.
Further, the method comprises the following steps:
in an alternative embodiment: the sealing assembly 9 comprises a hoop 91, a sliding ball 92, a sealing ring 93 and an annular clamping ring 94, wherein the annular groove 1000 is arranged on the flange plate 100, the hoop 91 is connected to the inner wall of the annular groove 1000 in a sliding manner, the sliding ball 92 is evenly connected to the inner wall of the hoop 91 in a sliding manner and attached to the inner wall of the annular groove 1000, the sealing ring 93 is symmetrically sleeved on the outer surface of the hoop 91 and attached to the inner wall of the annular groove 1000, and the annular clamping ring 94 is sleeved on the outer side of the hoop 91 and connected to the outer surface of the flange plate 100 in a sliding manner.
In this embodiment, it should be noted that: further explain the structure and the relation of connection of seal assembly 9, place hoop 91 in ring channel 1000 during the use, then install sealing washer 93 on hoop 91, again with ring collar 94 fixed mounting in the hoop 91 outside and with the laminating of ring flange 100 surface mutually, can extrude sealing washer 93 in ring collar 94 installation, make it laminate with ring channel 1000 inner wall mutually, just so can guarantee that gas can only discharge through the place corresponding with the suction nozzle 83 position, be convenient for cooperate with suction nozzle 83, whole easy operation, high durability and convenient use, therefore, the clothes hanger is strong in practicability and excellent in use effect.
Further, the method comprises the following steps:
in an alternative embodiment: alarm component 10 includes casing 101, photoelectric sensor 102, big dipper locator 103 and audible-visual annunciator 104, and casing 101 bolt-up is connected at support frame 7 surface and with body of rod 81 one end, and photoelectric sensor 102, big dipper locator 103 and audible-visual annunciator 104 are from top to bottom in proper order the joint fix at casing 101 inner wall.
In this embodiment, it should be noted that: further explaining the structure and connection relation of the alarm assembly 10, when in use, the cone head 84 moves from one end of the sliding cavity 82 to the inside of the photoelectric sensor 102 under the blowing of gas, the photoelectric sensor 102 sends related data information to the PLC controller 14 after detecting the cone head 84, the PLC controller 14 firstly controls the motor 63 to stop running after receiving the data information, then controls the micro air pump 116 to run and extract the gas in the sliding cavity 82, if the gas extracted by the micro air pump 116 is combustible gas after being detected by the gas infrared detection mechanism 117, the PLC controller 14 controls the exhaust fan 118 to be powered on and run, the exhaust fan 118 and the micro air pump 116 are matched for use, the emission speed of the combustible gas is accelerated, the explosion phenomenon caused by overhigh concentration of the combustible gas is prevented, meanwhile, the PLC controller 14 also respectively controls the Beidou positioner 103 and the sound-light alarm 104 to run, the Beidou positioner 103 detects positioning information and sends the positioning information to the PLC controller 14, PLC controller 14 receives after the locating information and sends for outside host computer through wireless communication module together with gaseous testing result, then relevant staff knows the gas through outside host computer and reveals that the position is convenient for look over fast and the maintenance, and audible-visual annunciator 104 then can send warning light sum warning pronunciation when the circular telegram operation, and relevant staff can be reminded when looking over and the maintenance to the relevant staff of being convenient for, is convenient for find relevant position fast, and the practicality is strong and excellent in use effect.
Further, the method comprises the following steps:
in an alternative embodiment: the detection component 11 comprises a mounting plate frame 111, a locking cap 112, a detection cylinder 113, an air outlet pipe 114, an air inlet pipe 115, a micro air pump 116, a gas infrared detection mechanism 117 and an exhaust fan 118, the installation grillage 111 joint is fixed in the support frame 7 and is close to one side surface of seal assembly 9, installation grillage 111 one end runs through support frame 7 outside and threaded connection has locking cap 112, detect barrel 113 bolt-up and be close to one side surface of seal assembly 9 at installation grillage 111, outlet duct 114 and intake pipe 115 all are linked together and set up respectively in detecting barrel 113 top and bottom with detecting barrel 113 is inside, intake pipe 115 one end is connected with air channel 85, miniature air pump 116, gas infrared detection mechanism 117 and exhaust fan 118 are fixed at detecting barrel 113 inner wall according to the order joint in proper order from bottom to top, intake pipe 115, all be connected through the gas-supply pipe between miniature air pump 116 and the gas infrared detection mechanism 117.
In this embodiment, it should be noted that: the gas infrared detection mechanism 117 includes an infrared combustible gas detector and an infrared gas sensor disposed inside the infrared combustible gas detector.
In this embodiment, it should be noted that: a filter screen is arranged at one end of the air inlet pipe 115 close to the vent groove 85.
In this embodiment, it should be noted that: further explaining the structure and connection relation of the detection assembly 11, when in use, the PLC controller 14 controls the operation of the micro air pump 116, the micro air pump 116 pumps the gas in the sliding cavity 82 through the air inlet pipe 115 and conveys the gas to the gas infrared detection mechanism 117 for sensing by the infrared gas sensor, then the infrared gas sensor sends the sensed data information to the infrared combustible gas detector, the infrared combustible gas detector analyzes and compares the data to determine whether the pumped gas is combustible gas, if the gas is combustible gas, the data information is sent to the PLC controller 14, the PLC controller 14 controls the exhaust fan 118 to be powered on, the exhaust fan 118 and the micro air pump 116 are matched for use, the emission speed of the combustible gas is accelerated, the explosion phenomenon caused by overhigh concentration of the combustible gas is prevented, if the gas is common gas, the relevant data information is sent to the PLC controller 14, the detection result is sent to an external upper computer through the wireless communication module by the PLC 14, relevant personnel of being convenient for can in time look over and maintain after looking over the detection result through the external upper computer, whole easy operation, the practicality is strong and excellent in use effect.
Further, the method comprises the following steps:
in an alternative embodiment: the surface of the shell 101 is provided with a connecting cavity corresponding to the position of the sliding cavity 82, the sliding cavity 82 is matched with and communicated with the connecting cavity in shape size, the photoelectric sensor 102 is communicated with the inside of the connecting cavity, and the sliding cavity 82, the air inlet nozzle 83, the conical head 84, the connecting cavity and the photoelectric sensor 102 are all located on the same axial line.
In this embodiment, it should be noted that: the design of the connecting cavity is convenient for the sliding cavity 82 to be communicated with the inside of the photoelectric sensor 102, so that the conical head 84 can smoothly move to the inside of the photoelectric sensor 102 under the blowing of gas and is sensed by the photoelectric sensor 102, the integral operation is simple, the practicability is high, and the using effect is good.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a gas leak testing alarm device based on thing networking, includes body (1) and lower body (2), its characterized in that: go up body (1) and lower body (2) and be connected through ring flange (100), go up body (1) and lower body (2) outside symmetry respectively cup joint and support swivel mount (3) and underdrive swivel mount (4), go up body (1) and lower body (2) outside and all cup jointed mount (5), just mount (5) are located respectively and support swivel mount (3) and underdrive swivel mount (4) outside, mount (5) inner wall bolt-up has drive assembly (6), just drive assembly (6) are located underdrive swivel mount (4) one side and are connected with underdrive swivel mount (4) through drive belt (200), it is provided with support frame (7) to go up between support swivel mount (3) and underdrive swivel mount (4), just support frame (7) inner wall sliding connection has detection rod seat (8), detection rod seat (8) both ends all run through out support frame (7) outside and are fixed with seal assembly (9) spiro union respectively ) And alarm component (10), the one end sliding connection that detection rod seat (8) were kept away from in seal assembly (9) is at ring flange (100) surface, the one end bolt-up that detection rod seat (8) were kept away from in alarm component (10) is at support frame (7) surface, a side surface joint that support frame (7) are close to seal assembly (9) is fixed with determine module (11), determine module (11) one end is run through into in detection rod seat (8) and is linked together with detection rod seat (8) inside, it is provided with support (500) to go up body (1) one side, just support (500) top bolt-up has PLC controller (14), PLC controller (14) respectively with drive assembly (6), alarm component (10) and determine module (11) electric connection.
2. The gas leakage detection alarm device based on the internet of things as claimed in claim 1, wherein: the wire arranging device (12) is sleeved on the outer side of the upper pipe body (1), the wire arranging device (12) is located between the upper supporting rotary seat (3) and the fixing frame (5), the wire arranging device (12) comprises a wire frame (121), a wire fixing support (122), a sliding frame (123), a sliding block (124) and a spring (125), the wire frame (121) is sleeved on the outer side of the upper pipe body (1), the wire frame (121) is located between the upper supporting rotary seat (3) and the fixing frame (5), the wire fixing support (122) is in threaded connection with the top of the support frame (7), the sliding frame (123) is in bolt fastening at the top of the support (500) and located on one side of the PLC (14), the sliding block (124) is in sliding connection with the inner wall of the sliding frame (123), the spring (125) is arranged between the surface of the sliding block (124) and the inner wall of the sliding frame (123), one end of the spring (125) is welded and fixed on the surface of the sliding block (124), the other end welded fastening is in smooth frame (123) inner wall, slider (124) inner wall joint is fixed with electrically conductive thread (300), electrically conductive thread (300) one end is run through out smooth frame (123) outside and is connected with PLC controller (14), and lead frame (121) surface is crossed and the separated time end (400) that set up at solidus support (122) top are connected to other end sliding connection, separated time end (400) are connected with drive assembly (6), alarm component (10) and determine module (11) respectively through electrically conductive branch line.
3. The gas leakage detection alarm device based on the internet of things as claimed in claim 2, wherein: support (500) top is provided with solar panel assembly (13), solar panel assembly (13) are located sliding frame (123) one side, solar panel assembly (13) include box (131), solar panel (132), transformer (133) and battery (134), box (131) bolt-up is at support (500) top, solar panel (132) bolt-up is at box (131) top, transformer (133) and battery (134) joint about respectively are fixed at box (131) inner wall, solar panel (132), transformer (133) and battery (134) loop through the conductor wire according to the order and are connected, PLC controller (14) bolt-up is at box (131) surface, battery (134) are connected with PLC controller (14) electricity.
4. The gas leakage detection alarm device based on the internet of things as claimed in claim 3, wherein: drive assembly (6) include mount pad (61), gear carrier (62) and motor (63), mount pad (61) bolt fastening is in mount (5) inner wall, gear carrier (62) rotate to be connected in mount pad (61) bottom, motor (63) bolt fastening is at mount pad (5) inner wall and corresponding with gear carrier (62) position, motor (63) output end fixed connection is in gear carrier (62) center pin surface.
5. The gas leakage detection alarm device based on the internet of things as claimed in claim 4, wherein: the lower transmission swivel mount (4) comprises a base body (41), a guide post (42), a fixed disc seat (43), a gear disc seat (44) and a connecting rod (45), the base body (41) is sleeved on the outer side of the lower pipe body (2), the guide post (42) is uniformly in threaded connection with the inner wall of the base body (41), the fixed disc seat (43) and the gear disc seat (44) are vertically arranged inside the base body (41) and are in sliding connection with the outer surface of the guide post (42), the fixed disc seat (43) is connected with the gear disc seat (44) through the connecting rod (45), and the gear disc seat (44) is connected with a gear carrier (62) through a transmission belt (200).
6. The gas leakage detection alarm device based on the internet of things as claimed in claim 5, wherein: detect pole seat (8) including the body of rod (81), smooth chamber (82), suction nozzle (83), awl head (84) and air channel (85), body of rod (81) sliding connection is in support frame (7) inner wall, smooth chamber (82) and suction nozzle (83) are seted up respectively and are controlled both ends surface and be linked together at the body of rod (81), awl head (84) sliding connection is at smooth chamber (82) inner wall, air channel (85) are seted up at body of rod (81) top and are linked together with smooth chamber (82) inside.
7. The gas leakage detection alarm device based on the internet of things as claimed in claim 6, wherein: the sealing assembly (9) comprises a hoop (91), a sliding bead (92), a sealing ring (93) and an annular clamping ring (94), wherein the annular groove (1000) is formed in the flange (100), the hoop (91) is connected to the inner wall of the annular groove (1000) in a sliding mode, the sliding bead (92) is evenly connected to the inner wall of the hoop (91) in a sliding mode and attached to the inner wall of the annular groove (1000) in a sliding mode, the sealing ring (93) is symmetrically sleeved on the outer surface of the hoop (91) and attached to the inner wall of the annular groove (1000), and the annular clamping ring (94) is sleeved on the outer side of the hoop (91) and connected to the outer surface of the flange (100) in a sliding mode.
8. The gas leakage detection alarm device based on the internet of things as claimed in claim 7, wherein: alarm component (10) include casing (101), photoelectric sensor (102), big dipper locator (103) and audible-visual annunciator (104), casing (101) bolt-up is connected at support frame (7) surface and with body of rod (81) one end, photoelectric sensor (102), big dipper locator (103) and audible-visual annunciator (104) are from top to bottom in proper order the joint fix at casing (101) inner wall.
9. The gas leakage detection alarm device based on the internet of things as claimed in claim 8, wherein: detection element (11) are including installation grillage (111), lock cap (112), detection barrel (113), outlet duct (114), intake pipe (115), miniature air pump (116), gas infrared detection mechanism (117) and exhaust fan (118), a side surface that support frame (7) is close to seal assembly (9) is fixed to installation grillage (111) joint, installation grillage (111) one end is run through out support frame (7) outside and threaded connection has lock cap (112), it is close to seal assembly (9) a side surface at installation grillage (111) to detect barrel (113) bolt-up, outlet duct (114) and intake duct (115) all with detect barrel (113) inside be linked together and set up respectively in detecting barrel (113) top and bottom, intake duct (115) one end is connected with air-vent groove (85), miniature air pump (116), The gas infrared detection mechanism (117) and the exhaust fan (118) are sequentially clamped and fixed on the inner wall of the detection barrel body (113) from bottom to top, and the gas inlet pipe (115), the miniature air pump (116) and the gas infrared detection mechanism (117) are connected through gas pipes.
10. The gas leakage detection alarm device based on the internet of things as claimed in claim 9, wherein: the surface of the shell (101) is provided with a connecting cavity corresponding to the position of the sliding cavity (82), the sliding cavity (82) is matched with the shape size of the connecting cavity and communicated with the connecting cavity, the photoelectric sensor (102) is communicated with the inside of the connecting cavity, and the sliding cavity (82), the air inlet nozzle (83), the conical head (84), the connecting cavity and the photoelectric sensor (102) are all located on the same axial line.
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| CN202111381696.3A CN113823068B (en) | 2021-11-22 | 2021-11-22 | Gas leakage detection alarm device based on Internet of things |
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| CN202111381696.3A CN113823068B (en) | 2021-11-22 | 2021-11-22 | Gas leakage detection alarm device based on Internet of things |
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Cited By (1)
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| CN115855838A (en) * | 2023-02-22 | 2023-03-28 | 南京信息工程大学 | Laser spectrum gas real-time scanning detection device |
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| CN113823068B (en) | 2022-02-22 |
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