CN221237698U - Natural gas leakage alarm device - Google Patents

Abstract

The utility model provides a natural gas leakage alarm device which comprises an annular connecting piece, wherein the annular connecting piece is positioned at the joint of two natural gas pipelines, an annular groove and a through groove are formed in the annular connecting piece, the annular groove is positioned on the inner side of the annular connecting piece and is communicated with the through groove, a conveying pipe is connected in the through groove, the other end of the conveying pipe extends to the ground and is communicated with a storage box, an air extractor and a natural gas detector are arranged in the storage box, a sensor is arranged on the natural gas detector, and the sensor is connected with an alarm assembled on the outer wall of the storage box. According to the utility model, the annular connecting piece can be buried in the ground along with the natural gas pipeline, so that the annular connecting piece has a good market prospect, and when natural gas in the pipeline leaks, an alarm on the bottom surface can give out alarm sound to remind nearby people that the natural gas leaks.

Description

Natural gas leakage alarm device

Technical Field

The utility model mainly relates to the technical field of natural gas pipeline safety equipment, in particular to a natural gas leakage alarm device.

Background

Natural gas pipelines refer to pipelines that transport natural gas from mining sites or processing plants to urban gas distribution centers or industrial enterprise users, which may cause safety accidents if they leak during pipeline transportation due to flammability and explosiveness.

The application number is: CN202122212142.2, application number: in the patent of CN202321357395.1, a safety alarm device for natural gas leakage is disclosed, which can monitor the exposed pipeline, but can not be used at the ground, and the natural gas pipeline is mostly buried at the ground, so the practical application range is smaller, and the market prospect is poor.

Disclosure of utility model

1. Technical problem to be solved by the utility model

The utility model provides a natural gas leakage alarm device which is used for solving the technical problems in the background technology.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a natural gas leakage alarm device, includes the annular connecting piece, the annular connecting piece location is in two natural gas pipeline junctions, and has seted up annular groove and logical groove on it, the annular groove is located the annular connecting piece is inboard, and with logical groove intercommunication, it has the conveyer pipe to lead to the inslot connection, the other end of conveyer pipe extends to ground to the intercommunication has the bin, be equipped with air exhauster and natural gas detector in the bin, be provided with the sensor on the natural gas detector, the sensor with the alarm of bin outer wall assembly is connected.

Further, the annular connecting piece comprises a first semi-ring part and a second semi-ring part, connecting plates are fixedly arranged on two sides, close to the connecting ends, of the semi-ring parts, and the two connecting plates on the semi-ring parts are overlapped and locked through positioning bolts.

Further, a clamping groove is formed in the connecting end of the first semi-ring portion, and the clamping groove is matched with a clamping block fixedly mounted at the connecting end of the second semi-ring portion in a clamping mode.

Further, a sealing gasket is arranged on the inner side of the annular connecting piece.

Further, the annular groove is internally and fixedly provided with reinforcing blocks, the number of the reinforcing blocks is a plurality of, the reinforcing blocks are uniformly distributed, and the reinforcing blocks are provided with through holes.

Further, the outer side of the storage box is fixedly communicated with an exhaust pipe.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: the annular connecting piece can be buried underground along with the natural gas pipeline, has better market prospect, when the natural gas in the pipeline leaks, the natural gas can get into the annular groove, the natural gas is pumped by the air extractor and is conveyed to the bin located at the bottom surface by the conveying pipe, then the natural gas detector detects the natural gas, and signals are transmitted to the sensor, and the sensor transmits the signals to the alarm to enable the alarm to give out alarm sounds, reminds nearby people that the natural gas leaks, and is rapidly far away from and continuously works for the first time.

Drawings

FIG.1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded structure of two half-rings according to the present utility model;

FIG. 3 is a schematic view of a storage box in cross-section;

Fig. 4 is a schematic diagram of two semi-ring cut-away structures of the present utility model.

Reference numerals

1. An annular connecting member; 101. a first half ring portion; 102. a second half ring portion; 103. an annular groove; 104. a through groove; 105. a clamping groove; 2. a connecting plate; 3. positioning bolts; 4. a delivery tube; 5. a storage tank; 6. an air extractor; 7. a natural gas detector; 8. a sensor; 9. an alarm; 10. a reinforcing block; 1001. a through hole; 11. a sealing gasket; 12. a clamping block; 13. and an exhaust pipe.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1-4, a natural gas leakage alarm device comprises an annular connecting piece 1, wherein the annular connecting piece 1 is positioned at the joint of two natural gas pipelines, an annular groove 103 and a through groove 104 are formed in the annular connecting piece, the annular groove 103 is positioned on the inner side of the annular connecting piece 1 and is communicated with the through groove 104, a conveying pipe 4 is connected in the through groove 104, the other end of the conveying pipe 4 extends to the ground and is communicated with a storage tank 5, an air extractor 6 and a natural gas detector 7 are assembled in the storage tank 5, a sensor 8 is arranged on the natural gas detector 7, and the sensor 8 is connected with an alarm 9 assembled on the outer wall of the storage tank 5.

The above specific real-time mode is that the natural gas pipeline is formed by splicing a plurality of pipelines, two adjacent pipelines are connected through the flange plate and are also the positions where leakage is most likely to occur, so that the annular connecting piece 1 is positioned and installed at the positions, when natural gas in the pipeline leaks, the natural gas can enter the annular groove 103, is pumped by the air extractor 6 and is conveyed to the storage box 5 positioned on the bottom surface through the conveying pipe 4, then the natural gas detector 7 detects the natural gas, signals are transmitted to the sensor 8, the sensor 8 transmits the signals to the alarm 9 to make the alarm sound, and people nearby are reminded that the natural gas leaks at the positions, and the people are rapidly far away from and continuously working for the first time.

The annular connecting piece 1 comprises a first half ring part 101 and a second half ring part 102, connecting plates 2 are fixedly arranged on two sides of the half ring part close to the connecting end of the half ring part, and the connecting plates 2 on the two half ring parts are overlapped and locked through positioning bolts 3.

The specific real-time mode is that the connecting plates 2 on the two semi-ring parts are aligned, and the positioning bolts 3 are installed on the positioning hole sites of the connecting plates, so that the installation can be simply and rapidly completed, and the connecting plates can be disassembled in the same way.

According to the above embodiment, a preferred embodiment is provided herein, where the connecting end of the first half ring portion 101 is provided with a clamping groove 105, and the clamping groove 105 is matched with the clamping block 12 fixedly installed at the connecting end of the second half ring portion 102 in a clamping manner.

The specific real-time manner is that the clamping block 12 is clamped in the clamping groove 105, so that the alignment of the connecting plates 2 on the two semi-ring parts can be rapidly completed.

Inside the annular connection 1a gasket 11 is provided for ensuring tightness between the annular groove 103 and the pipe.

The annular groove 103 is internally and fixedly provided with the reinforcing blocks 10, the reinforcing blocks 10 are a plurality of and uniformly distributed, so that the overall compressive strength can be improved, and the reinforcing blocks 10 are provided with the through holes 1001 for ensuring that leaked natural gas can circulate in the annular groove 103.

The outside of the storage tank 5 is fixedly communicated with an exhaust pipe 13 for exhausting the natural gas in the storage tank 5 to the outside.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

The above-described contents are within the technical knowledge of the inventors, and the technical contents in the art are huge and complicated, and thus the above-described contents of the present application do not necessarily constitute the prior art.

Claims (6)

1. A natural gas leakage alarm device, characterized in that: including annular connecting piece (1), annular connecting piece (1) location has offered annular groove (103) and logical groove (104) on it, annular groove (103) are located annular connecting piece (1) inboard, and with logical groove (104) intercommunication, be connected with conveyer pipe (4) in logical groove (104), the other end of conveyer pipe (4) extends to ground to the intercommunication has bin (5), be equipped with air exhauster (6) and natural gas detector (7) in bin (5), be provided with sensor (8) on natural gas detector (7), sensor (8) with alarm (9) of bin (5) outer wall assembly are connected.

2. A natural gas leak alarm apparatus as defined in claim 1, wherein: the annular connecting piece (1) comprises a first semi-ring part (101) and a second semi-ring part (102), connecting plates (2) are fixedly arranged on two sides, close to the connecting ends of the semi-ring parts, the connecting plates (2) on the two semi-ring parts are overlapped, and are locked through positioning bolts (3).

3. A natural gas leakage alarm device according to claim 2, wherein: the clamping groove (105) is formed in the connecting end of the first semi-ring part (101), and the clamping groove (105) is matched with the clamping block (12) fixedly installed at the connecting end of the second semi-ring part (102) in a clamping mode.

4. A natural gas leak alarm apparatus as defined in claim 1, wherein: a sealing gasket (11) is arranged on the inner side of the annular connecting piece (1).

5. A natural gas leak alarm apparatus as defined in claim 1, wherein: the annular groove (103) is internally and fixedly provided with reinforcing blocks (10), the number of the reinforcing blocks (10) is a plurality of, the reinforcing blocks are uniformly distributed, and the reinforcing blocks (10) are provided with through holes (1001).

6. A natural gas leak alarm apparatus as defined in claim 1, wherein: an exhaust pipe (13) is fixedly communicated with the outer side of the storage box (5).