A portable gas detection alarm device based on the Internet of Things

Abstract

The application relates to the technical field of gas detection, and particularly discloses a portable gas detection alarm device based on Internet of Things, which comprises a fixed frame, a detection assembly is slidably connected to the inner wall of the fixed frame, a mobile pull ring is fixedly connected to the top of the fixed frame, and a fixing device is fixedly connected to the side of the fixed frame. The fixed frame supports the equipment as a whole, the detection assembly detects the flow of air, so that the air can be continuously sampled, the gas can be uniformly detected, the detection accuracy can be improved, the fixed frame can be moved through the mobile pull ring, the equipment can be carried, the equipment can be fixed through the fixing device, the equipment can be stably placed after being carried to a specified position, the equipment can be fixed, the equipment can be continuously sampled, and the portable gas detection alarm device based on Internet of Things can be conveniently carried and fixed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of gas detection, in particular to a portable gas detection and alarm device based on the Internet of Things. BACKGROUND

[0002] The gas detection and alarm device is a key equipment for ensuring industrial production safety, environmental monitoring and personal life safety. Its development has experienced the evolution process from traditional analog to digital, and then to intelligent and networked. Early products mainly adopt specific gas sensors (such as electrochemical sensors and catalytic combustion sensors) combined with simple analog or digital circuits to realize local display and sound-light alarm of gas concentration. The data storage capacity is limited, and usually needs to be manually exported through USB or Bluetooth. The detection data is limited to the device itself, and cannot be transmitted remotely in real time. The management personnel cannot grasp the on-site dangerous situation in the first time, and cannot conduct effective remote command and scheduling. There is no linkage between devices, and regional safety warning cannot be realized. When one device alarms, nearby other workers cannot know the danger in time, and need to manually inspect the device regularly and download data. The device state (such as power, sensor life and fault) cannot be monitored and intelligently managed remotely, the historical data cannot be deeply mined and analyzed, and it is difficult to predict the gas leakage trend or evaluate the long-term exposure risk. The fixed gas detection system installs fixed gas detection heads in key areas such as factories and tunnels, and transmits data to the central control room through wired or simple wireless mode.

[0003] Early products mainly adopt specific gas sensors, which can only monitor the gas concentration of fixed points. The fixed system cannot meet the mobility and temporary requirements in modern operation. SUMMARY

[0004] To achieve the above purpose, the application is implemented by the following technical scheme: a portable gas detection and alarm device based on the Internet of Things, comprising a fixed frame, a detection assembly is slidably connected to the inner wall of the fixed frame, a mobile pull ring is fixedly connected to the top of the fixed frame, and a fixing device is fixedly connected to the side of the fixed frame. The fixed frame supports the equipment as a whole, the detection assembly detects the flow of air, thereby facilitating continuous sampling of air, uniform detection of gas, improvement of detection accuracy, movement of the fixed frame through the mobile pull ring, fixation of the equipment through the fixing device, stable placement of the equipment after being carried to the designated position, fixation of the equipment, and continuous sampling of the equipment.

[0005] The detection assembly includes a networking module, the side of the networking module is provided with a positioning sliding groove, the top of the networking module is fixedly connected with a first spring, the top of the positioning sliding groove is fixedly connected with a detection alarm module, the bottom of the detection alarm module is communicated with an air inlet pipe, the bottom of the air inlet pipe is communicated with an air inlet assembly, the top of the first spring is fixedly connected with the inner wall top of the fixed frame, and the networking module is slidably connected with the inner wall side of the fixed frame through the positioning sliding groove.

[0006] Preferably, the air inlet assembly includes a rotating bottom plate, the bottom of the rotating bottom plate is fixedly connected with an arc-shaped air inlet plate, the top of the arc-shaped air inlet plate is fixedly connected with an arc-shaped air outlet pipe, the inner wall top of the rotating bottom plate is fixedly connected with a connecting pipe, the side of the connecting pipe is provided with an air inlet, the inner wall top of the connecting pipe is fixedly connected with a detection pipe, the top of the detection pipe is communicated with the top of the air inlet pipe, and the top of the rotating bottom plate is rotatably connected with the bottom of the fixed frame. When detection is performed, the rotating bottom plate is manually rotated, the rotating bottom plate drives the arc-shaped air inlet plate to rotate, the arc-shaped air inlet plate drives air to flow and flow along the side of the arc-shaped air inlet plate and into the air inlet, the air is detected by the detection pipe and discharged along the arc-shaped air outlet pipe, so that air flow sampling is facilitated, vibration of the networking module and the detection alarm module is absorbed under the action of the first spring during movement of the equipment, the influence of vibration on the equipment is reduced, the equipment is slidably supported through the positioning sliding groove, vibration of the networking module and the detection alarm module is absorbed under the action of the first spring, the equipment is kept stable, and the air inlet pipe facilitates increase of air flow rate, so that air quality detection is facilitated.

[0007] Preferably, the fixing device includes a moving rod, the side of the moving rod is sleeved and slidably connected with a second spring, the side of the moving rod is slidably connected with a fixed seat, the moving rod is fixedly connected with a fixing assembly at a position above the torsion assembly, the top of the fixed seat is fixedly connected with the top of the fixed frame, the side of the positioning assembly is slidably connected with the fixed frame, and the top of the second spring is fixedly connected with the bottom of the fixed frame.

[0008] Preferably, the torsion assembly includes a rotating seat, the inner wall side of the rotating seat is fixedly connected with a driving strip, the side of the rotating seat is fixedly connected with a torsion spring, the rotating seat is slidably connected with the moving rod through the driving strip, and one end of the torsion spring away from the rotating seat is fixedly connected with the side of the fixed frame.

[0009] Preferably, the fixing assembly comprises a connecting seat, the side surface of the connecting seat is fixedly connected with a fixing plate, a limiting groove is arranged on the side surface of the fixing plate, the side surface of the fixing plate is slidably connected with the inner wall of the fixing seat, the bottom of the connecting seat is fixedly connected with the top of the moving rod, when fixing, the limiting groove is separated from the inside of the fixing seat, the driving gear is driven to descend under the elastic force of the second spring, thereby driving the sliding assembly to descend, the sliding assembly drives the positioning assembly to descend, thereby facilitating the positioning assembly to be fixed on the surface of the object, when the moving rod descends, the rotating seat is rotated under the elastic force of the torsion spring, the rotating seat drives the driving strip to rotate, the driving strip drives the moving rod to rotate along the top of the fixing frame, the driving strip drives the moving rod to rotate, the moving rod drives the driving gear to rotate, the driving gear drives the positioning assembly to drive, thereby increasing the projection area of the positioning assembly, thereby facilitating the equipment to be stably fixed, thereby facilitating the equipment to be fixed at the detected position, and when moving, the limiting groove is manually rotated, the limiting groove drives the moving rod to rotate, the moving rod drives the driving strip to rotate, the driving strip drives the torsion spring to generate elastic force, the moving rod drives the driving gear to rotate, the driving gear drives the positioning assembly to rotate along the sliding assembly, thereby accommodating the positioning assembly, thereby facilitating the equipment to be moved and carried, and after being accommodated, the limiting groove and the fixing seat are arranged to fix the position of the limiting groove, thereby fixing the position of the moving rod.

[0010] Preferably, the sliding assembly comprises a sliding bottom plate, the top of the sliding bottom plate is fixedly connected with transverse sliding strips, the top of the sliding bottom plate is fixedly connected with vertical sliding strips at the positions between the transverse sliding strips, the top of the sliding bottom plate is rotatably connected with the bottom of the driving gear, and the sliding bottom plate is slidably connected with the side surface of the fixing frame through the vertical sliding strips.

[0011] Preferably, the positioning assembly comprises a sliding rack, a transverse sliding groove is arranged on the side surface of the sliding rack, the bottom of the sliding rack is fixedly connected with a connecting column, the bottom of the connecting column is fixedly connected with a suction disc, the sliding rack is slidably connected with the side surface of the transverse sliding strip through the transverse sliding groove, the side surface of the sliding rack is engaged with the side surface of the driving gear, the transverse sliding strip transversely limits the sliding rack, and drives the sliding bottom plate to slide along the side surface of the fixing frame through the vertical sliding strip, thereby facilitating the sliding bottom plate to ascend or descend, and the sliding rack is cooperated with the transverse sliding strip through the transverse sliding groove arranged on the sliding rack, thereby facilitating the sliding rack to slide along the side surface of the transverse sliding strip, meanwhile, the driving gear is engaged with the side surface of the sliding rack, thereby facilitating the driving gear to drive the sliding rack to move, and the connecting column supports the suction disc, thereby facilitating the suction disc to be fixed on the fixing surface.

[0012] The application provides a portable gas detection alarm device based on an Internet of Things.

[0013] 1. The portable gas detection alarm device based on Internet of Things is provided with a mobile pull ring, a fixed frame supports the equipment as a whole, and a detection assembly detects the flow of air, so that continuous sampling of air is facilitated, uniform detection of gas is facilitated, detection accuracy is improved, the fixed frame is moved through the mobile pull ring, the equipment is fixed through a fixing device, stable placement is facilitated after carrying to a specified position, equipment fixing is facilitated, and continuous sampling of the equipment is facilitated.

[0014] 2. The portable gas detection alarm device based on Internet of Things is provided with a rotating bottom plate, during detection, the rotating bottom plate is manually rotated, the rotating bottom plate drives the arc-shaped air inlet plate to rotate, the arc-shaped air inlet plate drives air to flow and flow along the side surface of the arc-shaped air inlet plate and enter the inside of the air inlet, the air is detected by the detection tube and discharged along the arc-shaped air outlet tube, so that air flow sampling is facilitated, vibration of the networking module and the detection alarm module is absorbed under the action of the first spring during equipment movement, the influence of vibration on the equipment is reduced, the equipment is slidingly supported through the positioning sliding groove, vibration of the networking module and the detection alarm module is absorbed under the action of the first spring, the equipment is kept stable, and the setting of the air inlet pipe facilitates the increase of air flow rate, so that air quality detection is facilitated.

[0015] 3. The portable gas detection alarm device based on Internet of Things is provided with a limiting groove, during fixing, the limiting groove is detached from the inside of the fixed seat, the driving gear is driven to descend under the elastic force of the second spring, the sliding assembly is driven to descend, the positioning assembly is driven to descend, so that the positioning assembly is fixed on the surface of an object, when the moving rod descends, the rotating seat is driven to rotate under the elastic force of the torsion spring, the rotating seat drives the driving bar to rotate, the driving bar drives the moving rod to rotate along the top of the fixed frame, the driving bar drives the moving rod to rotate, the moving rod drives the driving gear to rotate, the driving gear drives the positioning assembly to drive, so that the projection area of the positioning assembly is increased, the equipment is stably fixed, the equipment is fixed at the detection position, when moving, the limiting groove is manually rotated, the limiting groove drives the moving rod to rotate, the moving rod drives the driving bar to rotate, the driving bar drives the torsion spring to generate elastic force, the moving rod drives the driving gear to rotate, the driving gear drives the positioning assembly to rotate along the sliding assembly, so that the positioning assembly is stored, the equipment is moved and carried, and the position of the limiting groove is fixed through the setting of the limiting groove and the fixed seat after storage.

[0016] 4. The portable gas detection alarm device based on the Internet of Things, the transverse slide is provided with the transverse slide, the transverse slide is limited to the sliding rack in transverse direction, and the sliding base is driven along the side of the fixed frame to slide by the vertical slide, so that the sliding base is conveniently raised or lowered, and the transverse slide groove is set up on the sliding rack and is matched with the transverse slide, so that the sliding rack is conveniently slid along the side of the transverse slide, the driving gear is engaged with the side of the sliding rack, so that the driving gear drives the sliding rack to move, and the connecting column supports the suction cup, so that the suction cup is fixed with the fixed surface. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is based on the portable gas detection alarm device based on the Internet of Things of the application structure schematic view;

[0018] Figure 2 It is the detection group structure schematic view of the application;

[0019] Figure 3 It is the air inlet assembly structure schematic view of the application;

[0020] Figure 4 It is the fixed device structure schematic view of the application;

[0021] Figure 5 It is the torsion assembly structure schematic view of the application;

[0022] Figure 6 It is the fixed assembly structure schematic view of the application;

[0023] Figure 7 It is the sliding assembly structure schematic view of the application;

[0024] Figure 8 It is the positioning assembly structure schematic view of the application.

[0025] In the figure: 1, fixed frame; 2, detection assembly; 3, moving pull ring; 4, fixing device; 201, networking module; 202, positioning sliding groove; 203, first spring; 204, detection alarm module; 205, air inlet pipe; 206, air inlet assembly; 2061, rotating bottom plate; 2062, arc-shaped air inlet plate; 2063, arc-shaped air outlet pipe; 2064, connecting pipe; 2065, air inlet; 2066, detection pipe; 401, moving rod; 402, second spring; 403, torsion assembly; 404, fixed assembly; 405, fixed seat; 406, driving gear; 407, sliding assembly; 408, positioning assembly; 4031, rotating seat; 4032, driving bar; 4033, torsion spring; 4041, connecting seat; 4042, fixed plate; 4043, limiting groove; 4071, sliding bottom plate; 4072, transverse sliding bar; 4073, vertical sliding bar; 4081, sliding rack; 4082, transverse sliding groove; 4083, connecting column; 4084, suction cup. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0027] The first embodiment, please refer to Figure 1 The present application provides a technical solution: a portable gas detection alarm device based on Internet of Things, comprising a fixed frame 1, a detection assembly 2 is slidably connected to the inner wall of the fixed frame 1, a moving pull ring 3 is fixedly connected to the top of the fixed frame 1, and a fixing device 4 is fixedly connected to the side surface of the fixed frame 1.

[0028] The fixed frame 1 supports the equipment as a whole, the detection assembly 2 detects the flow of air, so as to facilitate continuous sampling of air, uniform detection of gas, improvement of detection accuracy, movement of the fixed frame 1 through the moving pull ring 3, fixation of the equipment through the fixing device 4, stable placement after carrying to a designated position, fixation of the equipment, and continuous sampling of the equipment.

[0029] The second embodiment, please refer to Figures 1-3On the basis of the first embodiment, the application provides a technical scheme: the detection assembly 2 comprises a networking module 201, a positioning sliding groove 202 is formed in the side surface of the networking module 201, a first spring 203 is fixedly connected to the top of the networking module 201, a detection alarm module 204 is fixedly connected to the top of the positioning sliding groove 202, an air inlet pipe 205 is communicated with the bottom of the detection alarm module 204, an air inlet assembly 206 is communicated with the bottom of the air inlet pipe 205, the top of the first spring 203 is fixedly connected to the inner wall top of the fixed frame 1, and the networking module 201 is slidingly connected with the inner wall side of the fixed frame 1 through the positioning sliding groove 202.

[0030] The air inlet assembly 206 comprises a rotating bottom plate 2061, an arc-shaped air inlet plate 2062 is fixedly connected to the bottom of the rotating bottom plate 2061, an arc-shaped air outlet pipe 2063 is fixedly connected to the top of the arc-shaped air inlet plate 2062, a connecting pipe 2064 is fixedly connected to the inner wall top of the rotating bottom plate 2061, an air inlet 2065 is formed in the side surface of the connecting pipe 2064, a detection pipe 2066 is fixedly connected to the inner wall top of the connecting pipe 2064, the top of the detection pipe 2066 is communicated with the top of the air inlet pipe 205, and the top of the rotating bottom plate 2061 is rotationally connected to the bottom of the fixed frame 1.

[0031] When detection is performed, the rotating bottom plate 2061 is manually rotated, the rotating bottom plate 2061 drives the arc-shaped air inlet plate 2062 to rotate, the arc-shaped air inlet plate 2062 drives air to flow and flow along the side surface of the arc-shaped air inlet plate 2062 and enter the inside of the air inlet 2065, the air is detected by the detection pipe 2066 and discharged along the arc-shaped air outlet pipe 2063, so that the air is conveniently sampled, and the vibration of the networking module 201 and the detection alarm module 204 is absorbed under the action of the first spring 203 during the movement of the equipment, so that the influence of the vibration on the equipment is reduced, the equipment is slidingly supported through the positioning sliding groove 202, so that the networking module 201 and the detection alarm module 204 absorb the vibration under the action of the first spring 203, so that the equipment is kept stable, and the air inlet pipe 205 is arranged to conveniently increase the air flow rate, so that the air quality is conveniently detected.

[0032] The third embodiment, please refer to Figures 1-6On the basis of the second embodiment, the application provides a technical scheme: the fixing device 4 comprises a moving rod 401, a second spring 402 is sleeved and slidably connected to the side surface of the moving rod 401, a torsion assembly 403 is slidably connected to the side surface of the moving rod 401, a fixing assembly 404 is fixedly connected to the position above the torsion assembly 403 of the moving rod 401, a fixing seat 405 is slidably connected to the side surface of the fixing assembly 404, a driving gear 406 is fixedly connected to the bottom of the moving rod 401, a sliding assembly 407 is engaged with the side surface of the driving gear 406, a positioning assembly 408 is rotatably connected to the bottom of the driving gear 406, the moving rod 401 penetrates through and is slidably connected to the top of the fixed frame 1, the top of the fixing seat 405 is fixedly connected to the top of the fixed frame 1, the positioning assembly 408 is slidably connected to the side surface of the fixed frame 1, and the top of the second spring 402 is fixedly connected to the bottom of the fixed frame 1.

[0033] The torsion assembly 403 comprises a rotating seat 4031, a driving strip 4032 is fixedly connected to the inner wall side surface of the rotating seat 4031, a torsion spring 4033 is fixedly connected to the side surface of the rotating seat 4031, the rotating seat 4031 is slidably connected to the moving rod 401 through the driving strip 4032, and one end, away from the rotating seat 4031, of the torsion spring 4033 is fixedly connected to the side surface of the fixed frame 1.

[0034] The fixing assembly 404 comprises a connecting seat 4041, a fixing plate 4042 is fixedly connected to the side surface of the connecting seat 4041, a limiting groove 4043 is formed in the side surface of the fixing plate 4042, the side surface of the fixing plate 4042 is slidably connected to the inner wall of the fixing seat 405, and the bottom of the connecting seat 4041 is fixedly connected to the top of the moving rod 401.

[0035] When fixing, the limiting groove 4043 is disengaged from the inside of the fixing seat 405, and the driving gear 406 is driven to descend under the elastic force of the second spring 402, thereby driving the sliding assembly 407 to descend, and the sliding assembly 407 drives the positioning assembly 408 to descend, thereby facilitating the positioning assembly 408 to be fixed on the surface of the object. When the moving rod 401 descends, the rotating seat 4031 is rotated under the elastic force of the torsion spring 4033, the rotating seat 4031 drives the driving strip 4032 to rotate, the driving strip 4032 drives the moving rod 401 to rotate along the top of the fixing frame 1, the driving strip 4032 drives the moving rod 401 to rotate, the moving rod 401 drives the driving gear 406 to rotate, and the driving gear 406 drives the positioning assembly 408 to drive, thereby increasing the projection area of the positioning assembly 408, thereby facilitating the device to be stably fixed, thereby facilitating the device to be fixed at the detection position. When moving, the limiting groove 4043 is manually rotated, the limiting groove 4043 drives the moving rod 401 to rotate, the moving rod 401 drives the driving strip 4032 to rotate, the driving strip 4032 drives the torsion spring 4033 to generate elastic force, the moving rod 401 drives the driving gear 406 to rotate, and the driving gear 406 drives the positioning assembly 408 to rotate along the sliding assembly 407, thereby accommodating the positioning assembly 408, thereby facilitating the device to be moved and carried. After being accommodated, the limiting groove 4043 and the fixing seat 405 are arranged to fix the position of the limiting groove 4043, thereby fixing the position of the moving rod 401.

[0036] In the fourth embodiment, please refer to Figures 1-8 On the basis of the third embodiment, the application provides a technical solution: the sliding assembly 407 comprises a sliding bottom plate 4071, the top of the sliding bottom plate 4071 is fixedly connected with transverse sliding strips 4072, the top of the sliding bottom plate 4071 is fixedly connected with vertical sliding strips 4073 at positions between the transverse sliding strips 4072, the top of the sliding bottom plate 4071 is rotatably connected with the bottom of the driving gear 406, and the sliding bottom plate 4071 is slidably connected with the side surface of the fixing frame 1 through the vertical sliding strips 4073.

[0037] The positioning assembly 408 comprises a sliding rack 4081, the side surface of the sliding rack 4081 is provided with a transverse sliding groove 4082, the bottom of the sliding rack 4081 is fixedly connected with a connecting column 4083, the bottom of the connecting column 4083 is fixedly connected with a suction disc 4084, the sliding rack 4081 is slidably connected with the side surface of the transverse sliding strip 4072 through the transverse sliding groove 4082, and the side surface of the sliding rack 4081 is engaged with the side surface of the driving gear 406.

[0038] The transverse slide 4072 limits the slide rack 4081 in transverse direction, and drives the slide base 4071 to slide along the side of the fixed frame 1 through the vertical slide 4073, so as to facilitate the slide base 4071 to rise or fall, and the slide rack 4081 is provided with a transverse slide groove 4082, which cooperates with the transverse slide 4072, so as to facilitate the slide rack 4081 to slide along the side of the transverse slide 4072, and the driving gear 406 is engaged with the side of the slide rack 4081, so as to facilitate the driving gear 406 to drive the slide rack 4081 to move, and the connecting column 4083 supports the suction cup 4084, so as to facilitate the suction cup 4084 to be fixed to the fixed surface.

[0039] Obviously, the embodiments described above are only some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art and related fields without creative work shall fall within the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A portable gas detection and alarm device based on the Internet of Things, characterized in that: It includes a fixed frame (1), a detection component (2) is slidably connected to the inner wall of the fixed frame (1), a movable pull ring (3) is fixedly connected to the top of the fixed frame (1), and a fixing device (4) is fixedly connected to the side of the fixed frame (1). The detection component (2) includes a network module (201), a positioning groove (202) is provided on the side of the network module (201), a first spring (203) is fixedly connected to the top of the network module (201), a detection alarm module (204) is fixedly connected to the top of the positioning groove (202), an air inlet pipe (205) is connected to the bottom of the detection alarm module (204), an air inlet component (206) is connected to the bottom of the air inlet pipe (205), the top of the first spring (203) is fixedly connected to the top of the inner wall of the fixed frame (1), and the network module (201) is slidably connected to the inner wall side of the fixed frame (1) through the positioning groove (202). The air intake assembly (206) includes a rotating base plate (2061), an arc-shaped air intake plate (2062) is fixedly connected to the bottom of the rotating base plate (2061), an arc-shaped air outlet pipe (2063) is fixedly connected to the top of the arc-shaped air intake plate (2062), a connecting pipe (2064) is fixedly connected to the top of the inner wall of the rotating base plate (2061), an air inlet (2065) is opened on the side of the connecting pipe (2064), a detection pipe (2066) is fixedly connected to the top of the inner wall of the connecting pipe (2064), the top of the detection pipe (2066) is connected to the top of the air intake pipe (205), and the top of the rotating base plate (2061) is rotatably connected to the bottom of the fixed frame (1). The fixing device (4) includes a movable rod (401), a second spring (402) is sleeved and slidably connected to the side of the movable rod (401), a torque assembly (403) is slidably connected to the side of the movable rod (401), a fixing assembly (404) is fixedly connected to the movable rod (401) above the torque assembly (403), a fixing seat (405) is slidably connected to the side of the fixing assembly (404), and a drive gear (406) is fixedly connected to the bottom of the movable rod (401). The side of the drive gear (406) is engaged with a sliding component (407), the bottom of the drive gear (406) is rotatably connected with a positioning component (408), the moving rod (401) passes through the top of the fixed frame (1) and is slidably connected to the top of the fixed frame (1), the top of the fixed seat (405) is fixedly connected to the top of the fixed frame (1), the positioning component (408) is slidably connected to the side of the fixed frame (1), and the top of the second spring (402) is fixedly connected to the bottom of the fixed frame (1). The torque assembly (403) includes a rotating seat (4031), a drive bar (4032) is fixedly connected to the inner wall side of the rotating seat (4031), a torsion spring (4033) is fixedly connected to the side of the rotating seat (4031), the rotating seat (4031) is slidably connected to the moving rod (401) through the drive bar (4032), and the end of the torsion spring (4033) away from the rotating seat (4031) is fixedly connected to the side of the fixed frame (1). The positioning component (408) includes a sliding rack (4081), a transverse groove (4082) is provided on the side of the sliding rack (4081), a connecting post (4083) is fixedly connected to the bottom of the sliding rack (4081), and a suction cup (4084) is fixedly connected to the bottom of the connecting post (4083).

2. The portable gas detection and alarm device based on the Internet of Things according to claim 1, characterized in that: The fixing component (404) includes a connecting seat (4041), a fixing plate (4042) is fixedly connected to the side of the connecting seat (4041), a limiting groove (4043) is opened on the side of the fixing plate (4042), the side of the fixing plate (4042) is slidably connected to the inner wall of the fixing seat (405), and the bottom of the connecting seat (4041) is fixedly connected to the top of the moving rod (401).

3. The portable gas detection and alarm device based on the Internet of Things according to claim 1, characterized in that: The sliding assembly (407) includes a sliding base plate (4071), a horizontal slide bar (4072) is fixedly connected to the top of the sliding base plate (4071), and a vertical slide bar (4073) is fixedly connected to the top of the sliding base plate (4071) at a position between the horizontal slide bars (4072).

4. A portable gas detection and alarm device based on the Internet of Things according to claim 3, characterized in that: The top of the sliding base plate (4071) is rotatably connected to the bottom of the drive gear (406), and the sliding base plate (4071) is slidably connected to the side of the fixed frame (1) via a vertical slide bar (4073).

5. A portable gas detection and alarm device based on the Internet of Things according to claim 1, characterized in that: The sliding rack (4081) is slidably connected to the side of the transverse slide bar (4072) through the transverse slide groove (4082), and the side of the sliding rack (4081) meshes with the side of the drive gear (406).

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