Buried combustible gas detection device

Abstract

The utility model belongs to the technical field of combustible gas detection devices, and particularly relates to a buried combustible gas detection device. Comprising a shell, a cavity for containing a detection unit is formed in the shell, a detection port is formed in the bottom of the shell, the detection unit can conduct combustible gas detection on the ground through the detection port, the shell comprises a shell body, the shell body partially extends into the ground, a fixing assembly is arranged on the shell body, and a replacement port is formed in the top of the shell body. A detachable end cover is arranged at the replacement port in a covering manner; the shell is partially exposed out of the ground, and the detachable end cover is arranged at the top of the shell, so that the underground combustible gas can be detected, and meanwhile, operators can conveniently replace and inspect the detection unit.

Description

Technical Field

[0001] The utility model belongs to the technical field of combustible gas detection devices, in particular to an underground combustible gas detection device. Background Art

[0002] Buried combustible gas detection devices are designed specifically for monitoring combustible gas leaks in underground environments. They feature high sensitivity and strong anti-interference capabilities. They are suitable for areas with occupied pipelines, areas prone to micro-leakage in pipeline networks, and areas requiring real-time monitoring of gas pipeline safety. They also provide early warning monitoring capabilities, effectively detecting pipeline damage caused by irregular construction and illegal earthmoving operations. Existing buried combustible gas detection devices have internal detection units that are difficult to replace and inspect. Utility Model Content

[0003] The purpose of this utility model is to address the above-mentioned technical problems and provide an underground combustible gas detection device, in which a portion of the shell is exposed to the ground and a detachable end cover on the top of the shell can detect underground combustible gas while facilitating the replacement and inspection of the detection unit by operators.

[0004] In view of this, the present invention provides an underground combustible gas detection device, including a shell, a cavity for placing a detection unit is provided in the shell, a detection port is provided at the bottom of the shell, and the detection unit can detect combustible gas underground through the detection port. The shell includes a shell body, a shell body portion extends into the ground, a fixing component is provided on the shell body, a replacement port is provided on the top of the shell body, and a detachable end cover is provided at the replacement port.

[0005] In this technical solution, the lower part of the shell is buried underground and the shell is firmly fixed by a fixing assembly. The detection unit can be taken out through the replacement port on the top of the shell for replacement or inspection. A detachable end cover is provided at the replacement port outlet cover to prevent the detection unit inside the shell from being disturbed by external environment such as rain and insects. The shell is partially exposed to the ground and the detachable end cover on the top of the shell can facilitate the replacement and inspection of the detection unit by the operator while detecting underground combustible gas. At the same time, the detection unit is an existing device, and the detection method of the detection unit for combustible gas is an existing technology, so it will not be elaborated.

[0006] In the above technical solution, further, the shell body is a cylindrical hollow structure, with a replacement opening at the upper end and a base at the lower end, and a detection opening at the base.

[0007] In the above technical solution, further, the end cover includes an end head, a first annular fixed wall is provided at the bottom of the end head corresponding to the replacement opening, a fixed protrusion is provided on the first fixed wall, and a recessed structure is provided at the replacement opening corresponding to the fixed protrusion.

[0008] In the technical solution, the recess structure is not drawn in the figure, and according to the fixed protrusion, it can be concluded that the recess structure is a groove vertically arranged on the inner wall of the replacement opening, the first fixed wall, the fixed protrusion and the recess structure are arranged, so that the stability of the end cover is ensured, and the connection between the end cover and the shell can be threaded connection, that is, the first fixed wall and the inner wall of the top of the shell are correspondingly provided with threaded structures.

[0009] In the above technical solution, further, the inner wall of the shell on one side of the base is provided with a first fixed ring, the inner side of the first fixed wall is provided with a second fixed ring, and the first fixed ring and the second fixed ring are arranged on the upper and lower sides of the detection unit to fix the detection unit.

[0010] In the technical solution, when the end cover is closed on the top of the shell, the second fixed ring arranged on the inner side of the first fixed wall and the first fixed ring in the shell can abut and fix the upper and lower sides of the detection unit, so that the stability of the detection unit in the shell is ensured.

[0011] In the above technical solution, further, the fixed assembly comprises a fixed support arranged around the circumference of the outer wall of the shell, the fixed support is a triangular structure, the connecting end of the fixed support is fixedly connected with the outer wall of the shell, the fixed end perpendicular to the connecting end is abutted with the ground during installation, and the fixed support is provided with a fixed sleeve in the same direction as the shell, and the fixed sleeve is coaxially provided with a fixed through hole.

[0012] In the technical solution, the fixed supports are arranged in a circumferential array around the outer wall of the shell, the shell is partially buried in the ground, the fixed end of the fixed support is abutted with the ground, the fixed pin passes through the fixed sleeve and penetrates into the ground for fixation, and the fixed supports arranged circumferentially on the shell increase the stability of the detection device.

[0013] In the above technical solution, further, the outer wall of the part of the shell buried in the ground is arranged in an annular fixed protrusion along the length direction of the shell, and the fixed protrusion is spirally provided with an inclined groove penetrating through the fixed protrusion.

[0014] In the technical solution, the shell is installed, a cylindrical soil groove slightly smaller than the diameter of the shell is dug in advance, the upper end of the shell is held to rotate the shell, the shell is rotated and inserted into the soil groove, and the fixed protrusion at the lower end of the shell and the inclined groove spirally penetrating through the fixed protrusion are arranged, so that the shell can be conveniently rotated and inserted into the ground, and the structure can also achieve sufficient fixing effect, so that the detection device cannot be directly pulled out.

[0015] In the above technical solution, further, a reflective strip is arranged on the upper part of the fixed assembly on the surface of the shell.

[0016] In this technical solution, it is convenient for operators to quickly find the buried detection device. At the same time, it is not limited to replacing the reflective strip with a light-emitting unit. A light-emitting unit is set on the upper part of the fixed component on the surface of the shell. The light-emitting unit and the internal detection unit are electrically connected. When the internal detection unit detects that the combustible gas exceeds the threshold, the light-emitting unit emits light of the corresponding color.

[0017] In the above technical solution, further, it also includes a connecting joint connected to the base, the connecting joint is arranged at the detection port of the base, and the connecting joint is provided with an insect-proof structure.

[0018] In the above technical solution, further, the connecting joint includes an annular second fixed wall, an external thread is provided on the outside of the second fixed wall, an internal thread is provided corresponding to the detection port, the bottom of the second fixed wall is connected to the processing chamber, the processing chamber includes an inner cavity connected to the second fixed wall, a blocking net is provided on the bottom wall of the inner cavity, and an insect repellent block is provided in the inner cavity, and the insect repellent block can emit an insect repellent odor.

[0019] In this technical solution, the connecting joint and the base are threadedly connected for easy replacement. The insect-proof structure includes a blocking net and an insect-repellent block arranged in the inner cavity, which serves as a dual insect-proof structure of physical and odor. At the same time, the insect-repellent block can be selected according to the insects in the region, or a universal insect-repellent incense block can be selected, or other devices that can emit insect-repellent odor can be used and set in the processing bin.

[0020] The beneficial effects of the utility model are:

[0021] 1. The lower part of the shell is buried underground and is securely fixed by a fixing assembly. The detection unit can be taken out through the replacement port on the top of the shell for replacement or inspection. A detachable end cap is provided at the replacement port outlet to prevent the detection unit inside the shell from being disturbed by external factors such as rain and insects. The shell is partially exposed to the ground, and the detachable end cap on the top of the shell facilitates the replacement and inspection of the detection unit by operators while detecting underground combustible gas.

[0022] 2. The fixed brackets are arranged in a circular array around the outer wall of the shell. The shell is partially buried underground. The fixed ends of the fixed brackets are in contact with the ground. The fixed pins pass through the fixed sleeves and penetrate into the ground for fixation. The fixed brackets arranged in a circular pattern around the shell increase the stability of the detection device.

[0023] 3. The connecting joint includes a ring-shaped second fixed wall, an external thread is provided on the outside of the second fixed wall, and an internal thread is provided corresponding to the detection port. The bottom of the second fixed wall is connected to the processing chamber, and the processing chamber includes an inner cavity connected to the second fixed wall. The bottom wall of the inner cavity is provided with a blocking net, and an insect repellent block is provided in the inner cavity. The insect repellent block can emit an insect repellent odor. The connecting joint and the base are threadedly connected for easy replacement. The insect-proof structure includes a blocking net and an insect repellent block provided in the inner cavity, which serves as a dual insect-proof structure of physical and odor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the first embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the first embodiment of the present utility model;

[0026] Figure 3 It is a structural diagram of the end cover;

[0027] Figure 4 This is a schematic diagram of the internal structure of the second embodiment of the present utility model;

[0028] Figure 5 It is a structural diagram of the connection joint.

[0029] The marks in the figure are:

[0030] 1. Shell; 2. Shell body; 3. Detection unit; 4. Detection port; 5. Cavity; 6. Fixing assembly; 7. Replacement port; 8. End cover; 10. Fixing bracket; 11. Connecting end; 12. Fixing end; 13. Fixing sleeve; 14. Fixing hole; 15. Base; 16. End; 17. First fixing wall; 18. Fixing protrusion; 19. First fixing ring; 20. Second fixing ring; 21. Fixing protrusion; 22. Inclined groove; 23. Reflective strip; 24. Connecting joint; 25. Second fixing wall; 26. External thread; 27. Internal thread; 28. Processing chamber; 29. ​​Inner cavity; 30. Blocking net; 31. Insect repellent block. DETAILED DESCRIPTION

[0031] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0032] In the description of the present application, it should be noted that the terms used herein are merely for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the dimensions of the various parts shown in the drawings are not drawn to scale. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the specification when appropriate. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Thus, other examples of the exemplary embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0033] It should be noted that the terms "first", "second", and the like in the description and claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of such terms is not made with the intention of limiting the scope of the embodiments of the present application to the particular embodiments that are described in the examples, and that "first", "second", and the like can be interchanged under appropriate circumstances such that the embodiments of the present application are, therefore, capable of use in other sequences than the one that is described in the examples. Furthermore, the terms "comprise", "comprising", "include", "including", and the like are used herein to indicate the presence of stated features, integers, steps, or components but not to the exclusion of one or more other features, integers, steps, components, or groups thereof that are not recited.

[0034] It should be noted that in the description of the present application, the terms of orientation such as "front", "back", "upper", "lower", "left", "right", "transverse", "vertical", "horizontal", and "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are used merely for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be understood as limiting the scope of protection of the present application. The terms "inner", "outer" refer to the inner and outer relative to the contour of the parts themselves.

[0035] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0036] First embodiment:

[0037] like Figure 1-3 As shown, this embodiment provides a buried combustible gas detection device, including a shell 1, a cavity 5 for placing a detection unit 3 is provided in the shell 1, a detection port 4 is provided at the bottom of the shell 1, and the detection unit 3 can detect combustible gas underground through the detection port 4, the shell 1 includes a shell body 2, the shell body 2 partially extends into the ground, a fixing component 6 is provided on the shell body 2, a replacement port 7 is provided on the top of the shell body 2, and a removable end cover 8 is provided at the replacement port 7.

[0038] The lower part of the shell 1 is buried underground, and the shell 1 is firmly fixed by the fixing assembly 6. The detection unit 3 can be taken out through the replacement port 7 on the top of the shell 1 for replacement or inspection. A detachable end cover 8 is provided at the replacement port 7 to prevent the detection unit 3 inside the shell 1 from being disturbed by external environment such as rainwater and insects. The shell 1 is partially exposed to the ground, and the detachable end cover 8 on the top of the shell 1 can facilitate the replacement and inspection of the detection unit 3 by the operator while detecting underground combustible gas. At the same time, the detection unit 3 is an existing device, and the detection method of the detection unit 3 for combustible gas is an existing technology, so it will not be elaborated.

[0039] The shell body 2 is a cylindrical hollow structure, with a replacement opening 7 provided at the upper end and a base 15 provided at the lower end. The base 15 is provided with a detection opening 4.

[0040] like Figure 1-Figure 3 As shown, the end cover 8 includes an end head 16 , and a first annular fixed wall 17 is provided at the bottom of the end head 16 corresponding to the replacement opening 7 , a fixed protrusion 18 is provided on the first fixed wall 17 , and a recessed structure is provided at the replacement opening 7 corresponding to the fixed protrusion 18 .

[0041] The recess structure is not drawn in the figure, and according to the fixing protrusion 18, it can be concluded that the recess structure is a groove vertically arranged on the inner wall of the replacement opening 7. The arrangement of the first fixing wall 17, the fixing protrusion 18, and the recess structure can ensure the stability of the arrangement of the end cover 8. The connection between the end cover 8 and the shell 1 can be a threaded connection, that is, the first fixing wall 17 and the inner wall of the top of the shell 1 are correspondingly provided with threaded structures.

[0042] As shown in Figure 2 The inner wall of the shell 1 on one side of the base 15 is provided with a first fixing ring 19, and the inner side of the first fixing wall 17 is provided with a second fixing ring 20. The first fixing ring 19 and the second fixing ring 20 are arranged on the upper and lower sides of the detection unit 3 and serve to fix the detection unit 3. When the end cover 8 is covered on the top of the shell 1, the second fixing ring 20 arranged on the inner side of the first fixing wall 17 and the first fixing ring 19 in the shell 1 can abut and fix the upper and lower sides of the detection unit 3, thereby ensuring the stability of the detection unit 3 in the shell 1.

[0043] The fixing assembly 6 comprises a fixing support 10 arranged around the circumference of the outer wall of the shell 1. The fixing support 10 is in a triangular structure, the connecting end 11 of the fixing support 10 is fixedly connected with the outer wall of the shell 1, and the fixing end 12 perpendicular to the connecting end 11 is abutted against the ground during installation. The fixing support 10 is provided with a fixing sleeve 13 in the same direction as the shell 1, and the fixing sleeve 13 is coaxially provided with a fixing through hole 14. The fixing support 10 is arranged in a circumferential array around the outer wall of the shell 1, and the shell 1 is partially buried in the ground. The fixing end 12 of the fixing support 10 is abutted against the ground, and the fixing pin is passed through the fixing sleeve 13 and inserted into the ground for fixation. The circumferentially arranged fixing support 10 on the shell 1 increases the stability of the detection device.

[0044] The outer wall of the part of the shell 1 buried in the ground is arranged in an annular fixing protrusion 21 in the length direction of the shell 1, and the fixing protrusion 21 is spirally provided with an inclined groove 22 penetrating the fixing protrusion 21. During installation of the shell 1, a cylindrical soil groove slightly smaller than the diameter of the shell 1 is excavated in advance. The upper end of the shell 1 is held and rotated to rotate and insert the shell 1 into the soil groove. The arrangement of the fixing protrusion 21 at the lower end of the shell 1 and the inclined groove 22 spirally penetrating the fixing protrusion 21 facilitates the rotation and insertion of the shell 1 into the ground. Meanwhile, this structure can also achieve sufficient fixing effect, and the detection device cannot be directly pulled out.

[0045] A reflective strip 23 is arranged on the upper part of the fixing assembly 6 on the surface of the shell 1. It can be convenient for the operator to quickly find the buried detection device. Meanwhile, the reflective strip 23 can be replaced by a light-emitting unit. A light-emitting unit is arranged on the upper part of the fixing assembly 6 on the surface of the shell 1. The light-emitting unit is electrically connected with the internal detection unit 3. When the internal detection unit 3 detects that the flammable gas exceeds the threshold value, the light-emitting unit emits light of a corresponding color.

[0046] Second embodiment:

[0047] This embodiment provides an underground combustible gas detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] like Figure 4 and Figure 5 As shown, it also includes a connecting joint 24 connected to the base 15. The connecting joint 24 is arranged at the detection port 4 of the base 15, and the connecting joint 24 is provided with an insect-proof structure.

[0049] The connecting joint 24 includes an annular second fixed wall 25, an external thread 26 is provided on the outside of the second fixed wall 25, and an internal thread 27 is provided corresponding to the detection port 4. The bottom of the second fixed wall 25 is connected to the processing chamber 28, and the processing chamber 28 includes an inner cavity 29 connected to the second fixed wall 25. The bottom wall of the inner cavity 29 is provided with a blocking net 30, and an insect repellent block 31 is provided in the inner cavity 29. The insect repellent block 31 can emit an insect repellent smell.

[0050] The connecting joint 24 and the base 15 are threadedly connected for easy replacement. The insect-proof structure includes a blocking net 30 and an insect-repellent block 31 arranged in the inner cavity 29, which serves as a dual insect-proof structure of physical and odor. At the same time, the insect-repellent block 31 can be selected according to the insects in the region, or a universal insect-repellent incense block can be selected, or other devices that can emit an insect-repellent odor can be used and set in the processing chamber 28.

[0051] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A buried combustible gas detection device, comprising: The invention comprises a shell (1), wherein a cavity (5) for placing a detection unit (3) is provided in the shell (1), a detection port (4) is provided at the bottom of the shell (1), and the detection unit (3) can detect combustible gas underground through the detection port (4). The invention is characterized in that the shell (1) comprises a shell body (2), the shell body (2) partially extends into the ground, a fixing component (6) is provided on the shell body (2), a replacement port (7) is provided at the top of the shell body (2), and a detachable end cover (8) is provided at the replacement port (7).

2. The buried combustible gas detection device according to claim 1, characterized in that: The shell body (2) is a cylindrical hollow structure, with a replacement opening (7) provided at the upper end and a base (15) provided at the lower end, and a detection opening (4) provided on the base (15).

3. The buried combustible gas detection device according to claim 2, characterized in that: The end cover (8) comprises an end head (16), a first annular fixed wall (17) is provided at the bottom of the end head (16) corresponding to the replacement opening (7), a fixed protrusion (18) is provided on the first fixed wall (17), and a recessed structure is provided at the replacement opening (7) corresponding to the fixed protrusion (18).

4. The buried combustible gas detection device according to claim 3, characterized in that: The housing (1) is provided with a first fixing ring (19) on the inner wall of one side of the base (15), and a second fixing ring (20) is provided on the inner side of the first fixing wall (17). The first fixing ring (19) and the second fixing ring (20) are provided on the upper and lower sides of the detection unit (3) to fix the detection unit (3).

5. The buried combustible gas detection device according to claim 1, characterized in that: The fixing assembly (6) comprises a fixing bracket (10) arranged around the circumference of the outer wall of the shell (1); the fixing bracket (10) is a triangular structure; a connecting end (11) of the fixing bracket (10) is fixedly connected to the outer wall of the shell (1); a fixing end (12) perpendicular to the connecting end (11) abuts against the ground when installed; a fixing sleeve (13) in the same direction as the shell (1) is provided on the fixing bracket (10); and a fixing through hole (14) is provided coaxially with the fixing sleeve (13).

6. A buried combustible gas detection device according to any one of claims 1 and 5, characterized in that: The outer wall of the portion of the shell (1) buried underground at the lower end is provided with an annular fixed ridge (21) in an array along the length direction of the shell (1), and an inclined groove (22) is spirally provided on the fixed ridge (21) and passes through the fixed ridge (21).

7. The buried combustible gas detection device according to claim 1, characterized in that: A reflective strip (23) is provided on the surface of the housing (1) above the fixing assembly (6).

8. The buried combustible gas detection device according to claim 1, characterized in that: It also includes a connecting joint (24) connected to the base (15), the connecting joint (24) is arranged at the detection port (4) of the base (15), and the connecting joint (24) is provided with an insect-proof structure.

9. The buried combustible gas detection device according to claim 8, characterized in that: The connecting joint (24) comprises an annular second fixed wall (25), the second fixed wall (25) is provided with an external thread (26), the detection port (4) is correspondingly provided with an internal thread (27), the bottom of the second fixed wall (25) is connected to a processing chamber (28), the processing chamber (28) comprises an inner cavity (29) connected to the second fixed wall (25), a blocking net (30) is provided on the bottom wall of the inner cavity (29), an insect repellent block (31) is provided in the inner cavity (29), and the insect repellent block (31) can emit an insect repellent odor.

Images