An open telemetry laser methane leak alarm

Abstract

The present invention relates to the technical field of indoor laser gas detectors, specifically an open telemetry laser methane leak alarm, comprising a data concentration device and a methane detection device fixedly arranged on one side of the data concentration device, a laser methane leak alarm for detecting methane gas concentration is rotatably arranged inside the methane detection device, and a point laser methane alarm is arranged below the laser methane leak alarm. The laser methane leak alarm of the present invention can quantitatively measure the methane gas concentration in the target area through the absorption of a specific wavelength laser by methane gas, and quickly monitor the methane gas concentration in the area, thereby enabling the laser methane leak alarm to detect the methane value in the area, and the point laser methane alarm is an industrial alarm that uses laser to detect methane, and can output a data mainboard 4-20mA current signal or an RS485 digital signal and display it in real time. Intelligent controllable product.

Description

Technical Field

[0001] The invention relates to an open remote sensing laser methane leakage alarm, in particular to an open remote sensing laser methane leakage alarm, and belongs to the technical field of indoor laser gas detectors. Background Art

[0002] Methane leak detector is a commonly used name in engineering. It can also be called CH4 alarm, gas detector, combustible gas detector, etc. Its main function is to detect whether combustible gas is leaking;

[0003] Currently, fixed gas alarms in the industry all have "gas diffusion sampling structures" instead of "open-circuit sampling structures". At the same time, some methane detection devices are mostly single-type detection equipment, which will have certain deviations in the detection of methane. At the same time, if a single detection device is damaged, the entire device cannot be used.

[0004] Therefore, there is an urgent need to improve an open remote sensing laser methane leak alarm to solve the above-mentioned problems. Summary of the invention

[0005] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the present invention includes: a data concentration device and a methane detection device fixedly arranged on one side of the data concentration device, a laser methane leak alarm for detecting methane gas concentration is rotatably arranged inside the methane detection device, and a point-type laser methane alarm is arranged below the laser methane leak alarm;

[0006] The adjustment mechanism comprises: a connecting chamber and a sliding block slidably arranged inside the connecting chamber, the sliding block is fixedly arranged on two corresponding sides of the laser methane leak alarm, at least two of the sliding blocks are fixedly arranged inside, and a rotation groove for the rotation of the sliding block is opened on the limit plate;

[0007] A communication mechanism; comprising: a wifi signal transmitter and a wifi socket, wherein a data mainboard for data centralized processing is arranged inside the data concentrating device, the wifi socket is fixedly arranged on one side of the data mainboard, the wifi signal transmitter and the data concentrating device are slidably connected, and a slide groove on the data concentrating device for the sliding of the wifi signal transmitter corresponds to the position of the wifi socket, and the wifi signal transmitter is plugged into the wifi socket.

[0008] Preferably, a connecting compartment is fixedly provided on the methane detection device, and the connecting compartment passes through the methane detection device. The laser methane leak alarm and the point-type laser methane alarm are both located inside the connecting compartment. A plurality of connecting sleeves are fixedly provided at the bottom of the connecting compartment, and the point-type laser methane alarm is screwed together with the sleeve threads by adding screws.

[0009] Preferably, at least two guide grooves are opened on the inner side of the connecting bin, and the positions of the two guide grooves correspond to each other. The sliding block is slidably connected to the connecting bin via the guide grooves, and the rotating groove is located at the lower half of the limiting plate.

[0010] Preferably, a power connection socket is fixedly provided on the upper half of the data main board, and a plug-in cylinder is fixedly provided on the upper end of the data concentration device. The plug-in cylinder corresponds to the position of the power connection socket and is connected to the power connection socket. The power connection socket is used for connecting a power adapter.

[0011] Preferably, a pin socket is fixedly provided on the upper half of the side of the methane detection device away from the data concentration device, and a plug pin for connecting to a power strip is rotatably provided inside the pin socket. At least two external slots are fixedly provided at the lower end of the methane detection device.

[0012] Preferably, a display screen for digital display is fixedly provided on the side of the data concentrating device away from the methane detection device, at least three signal lights are provided below the display screen, the signal lights are fixedly connected to the data concentrating device, and a plurality of buttons are also provided on one side of the data concentrating device.

[0013] Preferably, a display chip is fixedly provided on one side of the data main board, the display chip is used to power the display screen, and a connecting base plate is slidably provided on the outer side of the data main board, and the connecting base plate is fixedly connected to the inner side of the data concentration device.

[0014] Preferably, the connecting base plate has sliding grooves on both corresponding sides, the sliding grooves are used for lateral sliding guidance of the data main board, and the connecting base plate has a plurality of heat dissipation windows.

[0015] Preferably, the methane detection device is rotatably provided with a rotating baffle on one side away from the data concentration device, and connecting buckles are fixedly provided on both sides corresponding to one end of the rotating baffle, and the methane detection device is provided with at least two connecting slots for sliding recovery of the connecting buckles.

[0016] Preferably, threaded connection grooves are provided at the four corners of the side of the methane detection device away from the data concentration device, and threaded connection columns are threadedly screwed inside the threaded connection grooves, and a fixed connection plate is slidably connected to one end of the threaded connection column. Threaded grooves are provided on the threaded connection column and the fixed connection plate, and fastening bolts are threadedly screwed inside the threaded grooves. The threaded connection column is threadedly screwed to the fixed connection plate through the fastening bolts, and the fixed connection plate is fixedly connected to the placement surface on the side away from the threaded connection column.

[0017] The present invention has at least the following beneficial effects:

[0018] 1. The laser methane leak alarm can quantitatively measure the methane gas concentration in the target area through the absorption of specific wavelength laser by methane gas, and quickly monitor the methane gas concentration in the area, so that the laser methane leak alarm can detect the methane value in the area. At the same time, the point laser methane alarm is an industrial alarm that uses laser to detect methane. It can output the data motherboard 4-20mA current signal or RS485 digital signal and display it in real time. It is an intelligent controllable product that can be used in various complex environments in industry and commerce. The use of the laser methane leak alarm and the point laser methane alarm can make the device detect methane more accurately. At the same time, when a single detection device fails, the other device can still detect the methane concentration;

[0019] By plugging a wifi signal transmitter into the wifi socket, the device body can be connected to the external control terminal by wireless signals through the wifi signal transmitter, so that the device can transmit the detection information by signal in time. At the same time, the wifi signal transmitter is set to a detachable connection so that the staff can replace the damaged wifi signal transmitter in time to avoid it being inside the data motherboard, causing the device to be unable to transmit the methane detection value in time during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the data mainboard of the present invention;

[0023] Figure 3 It is a schematic diagram of the connection structure between the data main board and the connection base board of the present invention;

[0024] Figure 4 This is a schematic diagram of the inner structure of the connection bin of the present invention;

[0025] Figure 5 It is an enlarged schematic diagram of the structure at A of the present invention;

[0026] Figure 6 It is a schematic diagram of the back structure of the device of the present invention;

[0027] Figure 7 It is a schematic diagram of the connection structure between the threaded connection column and the fixed connection plate of the present invention;

[0028] Figure 8 It is an enlarged schematic diagram of the structure at B of the present invention.

[0029] In the figure, 1. data concentration device; 101. display screen; 102. signal light; 103. button; 104. plug-in tube; 105. wifi annunciator; 2. methane detection device; 201. rotating baffle; 203. pin socket; 204. external slot; 3. connecting bottom plate; 301. heat dissipation window; 302. sliding groove; 4. data main board; 401. display screen chip; 402. wifi plug socket; 403. power connection socket; 7. connecting compartment; 701. sliding block; 702. guide groove; 703. limit plate; 704. rotating groove; 8. laser methane leak alarm; 9. point laser methane alarm; 10. threaded connection groove; 11. threaded connection column; 12. fixed connection plate; 13. threaded groove; 14. fastening bolt; 15. connecting buckle; 16. connecting groove seat. DETAILED DESCRIPTION

[0030] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0031] like Figure 1-Figure 8As shown, the open telemetry laser methane leakage alarm provided in this embodiment includes a data concentrator 1 and a methane detection device 2 fixedly arranged on one side of the data concentrator 1, a laser methane leakage alarm 8 for detecting methane gas concentration is rotatably arranged inside the methane detection device 2, and a point-type laser methane alarm 9 is arranged below the laser methane leakage alarm 8; by arranging the methane detection device 2 on one side of the data concentrator 1, the methane detection device can be distinguished from the display and the data concentrator, so that the maintenance personnel can use the later inspection of the device to avoid the influence of too much line winding on the maintenance progress of the maintenance personnel, and at the same time, the laser methane leakage alarm 8 can detect the specific wave through the methane gas The absorption of long laser can quantitatively measure the methane gas concentration in the target area, and quickly monitor the methane gas concentration in the area, so that the laser methane leak alarm 8 can detect the methane value in the area. At the same time, the point laser methane alarm 9 is an industrial alarm that uses laser to detect methane. It can output a 4-20mA current signal or RS485 digital signal on the data board and display it in real time. It is an intelligent controllable product that can be used in various complex environments in industry and commerce. The use of the laser methane leak alarm 8 and the point laser methane alarm 9 can make the device detect methane more accurately. At the same time, when a single detection device fails, the other device can still detect the methane concentration;

[0032] The adjusting mechanism comprises: a connecting chamber 7 and a sliding block 701 slidably arranged on the inner side of the connecting chamber 7, the sliding block 701, the sliding block 701 is fixedly arranged on the two sides corresponding to the laser methane leak alarm 8, a limit plate 703 is fixedly arranged in the middle of the guide groove 702, and a rotation groove 704 for the sliding block 701 to rotate is opened on the limit plate 703; by slidingly arranging the sliding block 701 on the inner side of the connecting chamber 7, the laser methane leak alarm 8 can slide with the inside of the connecting chamber 7 through the sliding block 701, so that the staff can The position of the laser methane leak alarm 8 can be adjusted to a certain extent by the sliding block 701, so that the position of the laser methane leak alarm 8 can be convex or concave in the connecting chamber 7, so that the device will not affect the methane detection equipment due to falling when it is taken. At the same time, the setting of the rotating groove 704 can make the laser methane leak alarm 8 rotate inside the connecting chamber 7 through the sliding block 701, so that the laser emission angle of the laser methane leak alarm 8 can be adjusted, so as to detect the methane value in different height areas;

[0033] Communication mechanism; including: a wifi signal transmitter 105 and a wifi socket 402, a data main board 4 for data concentration processing is arranged inside the data concentration device 1, the wifi socket 402 is fixedly arranged on one side of the data main board 4, the wifi signal transmitter 105 is slidably connected to the data concentration device 1, and the slide groove for sliding the wifi signal transmitter 105 on the data concentration device 1 corresponds to the position of the wifi socket 402, the wifi signal transmitter 105 is plugged into the wifi socket 402, and by plugging the wifi signal transmitter 105 into the wifi socket 402, the device body can be connected to the external control terminal through the wifi signal transmitter 105 for wireless signal connection, so that the device can timely transmit the detection information by signal, and at the same time, the wifi signal transmitter 105 is arranged in a detachable connection mode so that the staff can replace the damaged wifi signal transmitter 105 in time to avoid the device being unable to transmit the methane detection value in time during maintenance due to its being inside the data main board 4.

[0034] In this embodiment, if Figure 1-Figure 5 As shown, a connecting bin 7 is fixedly provided on the methane detection device 2, and the connecting bin 7 runs through the methane detection device 2. The laser methane leak alarm 8 and the point-type laser methane alarm 9 are both located inside the connecting bin 7. A plurality of connecting sleeves are fixedly provided at the bottom of the connecting bin 7, and the point-type laser methane alarm 9 is screwed together with the sleeve threads by adding screws; by providing the connecting bin 7 on the methane detection device 2, the positions of the laser methane leak alarm 8 and the point-type laser methane alarm 9 can be limited, and at the same time, the point-type laser methane alarm 9 is screwed together with the sleeve threads inside the connecting bin 7 by adding screws, so that the position of the point-type laser methane alarm 9 can be fixed, and at the same time, the staff can also quickly disassemble the point-type laser methane alarm 9 by loosening and tightening the screws;

[0035] Furthermore, at least two guide grooves 702 are provided on the inner side of the connecting bin 7, and the positions of the two guide grooves 702 correspond to each other. The sliding block 701 is slidably connected to the connecting bin 7 through the guide grooves 702, and the rotating groove 704 is located at the lower half of the limiting plate 703. By providing two guide grooves 702 on the inner side of the connecting bin 7, the sliding block 701 can be slidably connected to the connecting bin 7 through the guide grooves 702, so that the laser methane leak alarm 8 can slide inside the connecting bin 7. At the same time, the rotating groove 704 and the guide groove 702 are not on the same horizontal plane, which can prevent the sliding block 701 from being offset when it rotates with the rotating groove 704.

[0036] In this embodiment, if Figure 1-Figure 6As shown, a power connection socket 403 is fixedly provided on the upper half of the data main board 4, and a plug-in barrel 104 is fixedly provided on the upper end of the data concentration device 1. The plug-in barrel 104 corresponds to the position of the power connection socket 403, and the plug-in barrel 104 is connected to the power connection socket 403. The power connection socket 403 is used for connecting a power adapter. By arranging the power connection socket 403 on the upper half of the data main board 4, the user can install a power adapter for the device through the plug-in barrel 104 and the power connection socket 403, so that the external power supply can directly power the device.

[0037] Furthermore, a pin holder 203 is fixedly provided on the upper half of the side of the methane detection device 2 away from the data concentration device 1, and a plug pin for connecting to a power strip is rotatably provided inside the pin holder 203. At least two external slots 204 are fixedly provided at the lower end of the methane detection device 2. By arranging the pin holder 203 on one side of the methane detection device 2, the pin holder 203 can be directly connected to the power strip through the plug pins, so that the power strip can directly power the device body.

[0038] In this embodiment, if Figure 1-Figure 3 As shown, a display screen 101 for digital display is fixedly provided on the side of the data concentrator 1 away from the methane detection device 2, at least three signal lights 102 are provided below the display screen 101, and the signal lights 102 are fixedly connected to the data concentrator 1. A plurality of buttons 103 are also provided on one side of the data concentrator 1, and a display chip 401 is fixedly provided on one side of the data main board 4, and the display chip 401 is used for powering the display screen. A connecting bottom plate 3 is slidingly provided on the outer side of the data main board 4, and the connecting bottom plate 3 is fixedly connected to the inner side of the data concentrator 1; by providing the display screen 101 on one side of the data concentrator 1, the methane value detected by the device can be displayed and presented through the display screen 101, and the setting of the signal lights 102 can present different states of the device, so that the staff can know the status of the device through the signal lights 102, and the user can set the device through the buttons 103;

[0039] Furthermore, sliding grooves 302 are provided on the corresponding sides of the connecting base plate 3, and the sliding grooves 302 are used for the lateral sliding guide of the data main board 4. A plurality of heat dissipation windows 301 are provided on the connecting base plate 3. By providing the sliding grooves 302 on the connecting base plate 3, the data main board 4 can be slidably connected to the connecting base plate 3 through the sliding grooves 302, thereby enabling the connecting base plate 3 to be connected to the data main board 4. At the same time, the provision of the heat dissipation windows 301 can prevent the heat generated by the data main board 4 from being excessively accumulated on the connecting base plate 3.

[0040] In this embodiment, if Figure 6As shown, a rotating baffle 201 is rotatably provided on one side of the methane detection device 2 away from the data concentration device 1, and connecting buckles 15 are fixedly provided on both sides corresponding to one end of the rotating baffle 201. At least two connecting slot seats 16 for sliding and recovering the connecting buckles 15 are provided on the methane detection device 2. By rotatably setting 202 on one side of the methane detection device 2, 202 can provide closed protection for the battery located inside the methane detection device 2. At the same time, the connecting buckles 15 fixedly provided on both sides of the rotating baffle 201 can be snap-connected with the connecting slot seats 16 provided on the methane detection device 2. At the same time, the user can connect and fix the two by adding screws to the two.

[0041] In this embodiment, if Figure 6-Figure 8 As shown, threaded connection grooves 10 are provided at the four corners of the side of the methane detection device 2 away from the data concentration device 1, and threaded connection columns 11 are threadedly screwed inside the threaded connection grooves 10. A fixed connection plate 12 is slidably connected to one end of the threaded connection column 11. Threaded grooves 13 are provided on the threaded connection column 11 and the fixed connection plate 12. Fastening bolts 14 are threadedly screwed inside the threaded grooves 13. The threaded connection column 11 is threadedly screwed with the fixed connection plate 12 through the fastening bolts 14. The fixed connection plate 12 is fixedly connected to the placement surface on the side away from the threaded connection column 11. By providing a threaded connection groove 10 on one side of the methane detection device 2, and the threaded connection groove 10 The interior can be connected to the fixed connecting plate 12 through a threaded connecting column 11, and one side of the fixed connecting plate 12 is fixedly connected to the placement surface, so that the device body can be fixedly connected to the placement surface, and the threaded connecting column 11 and the methane detection device 2 are threadedly screwed together, so that the user can separate the methane detection device 2 from the threaded connecting column 11 by twisting the threaded connecting column 11, and the rotation direction of the threaded connecting column 11 is consistent with the rotation and disassembly direction of the fastening bolt 14, so that the fastening bolt 14 can be separated from the thread groove 13 when the threaded connecting column 11 is rotated and separated from the methane detection device 2.

[0042] like Figure 1-Figure 8As shown, the principle of the open telemetry laser methane leak alarm provided in this embodiment is as follows: by arranging a methane detection device 2 on one side of the data concentration device 1, the methane detection device can be distinguished from the display and the data concentration device, so as to utilize the maintenance personnel to detect the device later to avoid the influence of too much line winding on the maintenance progress of the maintenance personnel. At the same time, the laser methane leak alarm 8 can quantitatively measure the methane gas concentration in the target area through the absorption of a specific wavelength laser by methane gas, and quickly monitor the methane gas concentration in the area, so that the laser methane leak alarm 8 can detect the methane value in the area. At the same time, the point-type laser methane alarm 9 is an industrial alarm that uses laser to detect methane. It can output a data mainboard 4-20mA current signal or an RS485 digital signal and display it in real time. It is an intelligent controllable product that can be competent for various complex environments in industry and commerce. The use of the laser methane leak alarm 8 and the point-type laser methane alarm 9 can make the device detect methane more accurately. At the same time, when a single detection device fails, the other device can still detect the methane concentration.

[0043] By slidingly setting a sliding block 701 on the inner side of the connecting chamber 7, the laser methane leak alarm 8 can slide with the inside of the connecting chamber 7 through the sliding block 701, so that the staff can adjust the position of the laser methane leak alarm 8 to a certain extent through the sliding block 701, so that the position of the laser methane leak alarm 8 can be convex or concave in the connecting chamber 7, so that the device will not affect the methane detection equipment due to falling when it is taken out, and at the same time, the setting of the rotating groove 704 can make the laser methane leak alarm 8 rotate inside the connecting chamber 7 through the sliding block 701, so that the laser methane leak alarm The laser emission angle of the alarm 8 can be adjusted to detect the methane value in different height areas. At the same time, by plugging the wifi signal transmitter 105 into the wifi socket 402, the device body can be connected to the external control terminal by wireless signal through the wifi signal transmitter 105, so that the device can transmit the detection information in time. At the same time, the wifi signal transmitter 105 is set to a detachable connection so that the staff can replace the damaged wifi signal transmitter 105 in time to avoid it being inside the data main board 4, causing the device to be unable to transmit the methane detection value in time during maintenance.

[0044] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0045] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0046] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. An open remote sensing laser methane leak alarm, comprising a data concentrator (1) and a methane detection device (2) fixedly arranged on one side of the data concentrator (1), characterized in that: A laser methane leak alarm (8) for detecting methane gas concentration is rotatably arranged inside the methane detection device (2), and a point-type laser methane alarm (9) is arranged below the laser methane leak alarm (8); The adjustment mechanism comprises: a connection chamber (7) and a sliding block (701) slidably arranged inside the connection chamber (7), the sliding block (701) being fixedly arranged on two corresponding sides of the laser methane leak alarm (8), at least two (703) being fixedly arranged inside the (7), and a rotation groove (704) for the rotation of the sliding block (701) being opened on the limiting plate (703); A communication mechanism; comprising: a wifi signal transmitter (105) and a wifi socket (402); a data mainboard (4) for data centralized processing is arranged inside the data concentrator (1); the wifi socket (402) is fixedly arranged on one side of the data mainboard (4); the wifi signal transmitter (105) and the data concentrator (1) are slidably connected; a slide groove on the data concentrator (1) for the wifi signal transmitter (105) to slide corresponds to the position of the wifi socket (402); the wifi signal transmitter (105) and the wifi socket (402) are plugged.

2. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: A connecting chamber (7) is fixedly arranged on the methane detection device (2), and the connecting chamber (7) passes through the methane detection device (2). The laser methane leak alarm (8) and the point-type laser methane alarm (9) are both located inside the connecting chamber (7). A plurality of connecting sleeves are fixedly arranged at the bottom of the connecting chamber (7), and the point-type laser methane alarm (9) is screwed and connected to the sleeve by means of screws.

3. The open remote sensing laser methane leak alarm according to claim 2, characterized in that: At least two guide grooves (702) are provided on the inner side of the connection bin (7), and the positions of the two guide grooves (702) correspond to each other. The sliding block (701) is slidably connected to the connection bin (7) via the guide grooves (702), and the rotating groove (704) is located at the lower half of the limiting plate (703).

4. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: A power connection socket (403) is fixedly provided on the upper half of the data main board (4), and a plug-in cylinder (104) is fixedly provided on the upper end of the data concentrator (1). The plug-in cylinder (104) corresponds to the position of the power connection socket (403), and the plug-in cylinder (104) is connected to the power connection socket (403). The power connection socket (403) is used for connecting a power adapter.

5. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: A pin holder (203) is fixedly provided on the upper half of a side of the methane detection device (2) away from the data concentration device (1), and a plug pin for plugging into a power strip is rotatably provided inside the pin holder (203), and at least two external slots (204) are fixedly provided on the lower end of the methane detection device (2).

6. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: A display screen (101) for digital display is fixedly arranged on a side of the data concentrator (1) away from the methane detection device (2); at least three signal lights (102) are arranged below the display screen (101); the signal lights (102) are fixedly connected to the data concentrator (1); and a plurality of buttons (103) are also arranged on one side of the data concentrator (1).

7. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: A display chip (401) is fixedly arranged on one side of the data main board (4), and the display chip (401) is used to power the display screen. A connecting base plate (3) is slidably arranged on the outside of the data main board (4), and the connecting base plate (3) is fixedly connected to the inside of the data concentration device (1).

8. The open remote sensing laser methane leak alarm according to claim 7, characterized in that: The connecting base plate (3) has sliding grooves (302) on both corresponding sides, and the sliding grooves (302) are used for the lateral sliding guidance of the data main board (4). The connecting base plate (3) has a plurality of heat dissipation windows (301) on the connecting base plate (3).

9. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: A rotating baffle (201) is rotatably arranged on one side of the methane detection device (2) away from the data concentration device (1), and connecting buckles (15) are fixedly arranged on both sides corresponding to one end of the rotating baffle (201), and at least two connecting slots (16) for sliding and recovering the connecting buckles (15) are provided on the methane detection device (2).

10. The open remote sensing laser methane leak alarm according to claim 1, characterized in that: The methane detection device (2) is provided with threaded connection grooves (10) at four corners on a side away from the data concentration device (1), and the threaded connection grooves (10) are screwed with threaded connection columns (11) inside, and one end of the threaded connection column (11) is slidably connected to a fixed connection plate (12), and the threaded connection column (11) and the fixed connection plate (12) are both provided with threaded grooves (13), and the threaded connection grooves (13) are screwed with fastening bolts (14) inside, and the threaded connection column (11) is screwed with the fixed connection plate (12) through the fastening bolts (14), and the fixed connection plate (12) is fixedly connected to the placement surface on the side away from the threaded connection column (11).

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