CN211344816U

CN211344816U - Simple leakage detection device for buried gas pressure pipeline

Info

Publication number: CN211344816U
Application number: CN201921928829.2U
Authority: CN
Inventors: 邱宜生; 张景森; 金社伟
Original assignee: Foshan Huaranneng Gas Engineering Co ltd
Current assignee: Foshan huaran Energy Construction Co., Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-08-25
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to a buried gas pressure pipeline leakage detection technical field specifically discloses a simple leakage detection device for buried gas pressure pipeline, including trompil device, conduction unit, host computer and earphone, the conduction unit includes thick wall stainless steel exploring tube, the middle part integrated into one piece of thick wall stainless steel exploring tube has the through-hole, the front end of thick wall stainless steel exploring tube is twisted and is fixed with a probe section of thick bamboo; the inside of the probe cylinder is spliced with a sound pick-up, a signal output port at the tail end of the sound pick-up is connected with a first signal transmission line, and the first signal transmission line penetrates through a through hole in the thick-wall stainless steel probe tube and then is connected with a signal input port of the host. The utility model discloses compare traditional odorant and squeeze into compressed air and lean on the method that the sense of smell found the leak source to adopt the device to detect the leak source, do not receive external factor influence in the testing process, the leak source detects the accuracy height, and need not do the leak source preparation work in earlier stage, labour saving and time saving, and possess effectual guarantee to human health.

Description

Simple leakage detection device for buried gas pressure pipeline

Technical Field

The utility model relates to a bury ground gas pressure pipeline and reveal detection technical field, specifically be a simply reveal detection device for burying ground gas pressure pipeline.

Background

The leakage detection mode of the leakage of the buried pipeline in the current engineering construction process is only to inject odorizing agent into the compressed air in the pipeline, and the leakage point is determined by adopting an artificial olfaction (smelling odor) mode after the odorizing agent diffuses and flows out from the leakage point along with the compressed air. The method is single, the sensitivity of smelling is poor, the sensitivity of olfactory nerves is easy to change due to external factors, and the method has great influence on human health.

Therefore, a simple leakage detection device which is convenient to quickly and accurately find out the position of a leakage point is designed.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the above-mentioned background art, the utility model provides a detection device simply reveals for burying ground gas pressure pipeline.

The utility model discloses a simple and easy leakage detection device for burying ground gas pressure pipeline, including trompil device, conduction unit, host computer and earphone, the conduction unit includes thick wall stainless steel exploring tube, and the middle part integrated into one piece of thick wall stainless steel exploring tube has the through-hole, the front end of thick wall stainless steel exploring tube is twisted and is fixed with a probe section of thick bamboo; the outside of the tail end of the thick-wall stainless steel probe tube is a handle part, the inner side of the probe tube is spliced with a sound pick-up, a sound insulation layer is filled between the outside of the sound pick-up and the inner wall of the probe tube, a gasket is arranged between the tail end of the sound pick-up and the probe tube, the inner side of the front end of the probe tube is screwed with a fixed end head, the middle part of the fixed end head is provided with a through hole, the front end of the sound pick-up is a sound pick-up port, and the position of the sound pick-up port, a signal output port at the tail end of the sound pick-up is connected with a first signal transmission line, the first signal transmission line passes through a through hole in the thick-wall stainless steel detection tube and then is connected with a signal input port of the host, one side of the host is provided with an audio transmission port, a second signal transmission line is inserted in the audio transmission port, one end of the second signal transmission line is connected to a connection port of the earphone, and a volume adjusting knob is further arranged on one side of the host.

The utility model discloses a detection device simply reveals for burying ground gas pressure pipeline, wherein the trompil device includes the grab handle, and the middle part of grab handle is perpendicular form welding and has the drilling rod, and the outside welding of drilling rod has spiral spiller, the surface from the top down equidistance of drilling rod is carved with the scale, and this structural design can make things convenient for the staff to carry out the trompil at preset position, also makes things convenient for the staff to know the drilling depth constantly simultaneously, prevents to damage secret gas transmission pipeline.

The utility model discloses a simply reveal detection device for burying ground gas pressure pipeline, wherein the position department that the inside of a probe section of thick bamboo tail end and thick wall stainless steel scout tube are connected twists soon has interior hexagonal anticreep bolt, sets up interior hexagonal anticreep bolt and can effectively carry out further fixed to a probe section of thick bamboo, prevents that a probe section of thick bamboo from appearing not hard up and coming off.

The utility model discloses a simply reveal detection device for burying ground gas pressure pipeline, wherein the host computer is audio amplifier, and built-in audio amplification circuit board and battery case have, and the battery case is connected with audio amplification circuit and adapter electricity, is equipped with the port that charges on the battery case, and the port that charges is located the host computer back.

The utility model discloses a detection device simply reveals for burying ground gas pressure pipeline, wherein the adapter adopts 52DB type electret electric capacity adapter, and the sensitivity of its adapter is-48-66 Db, and response frequency is 20-20 KHZ.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses simple structure, convenient operation, and reveal the sound wave of production through adapter monitoring underfloor leak source for the staff can be fast and accurate find out the leak source position, and, compare traditional odorant squeeze into the method that compressed air found out the leak source by the sense of smell and adopt the device to detect the leak source, do not receive external factor influence in the testing process, the leak source detects the accuracy height, and need not do leak detection preparation work in earlier stage, labour saving and time saving.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the probe cylinder and the pickup of the present invention;

FIG. 3 is a schematic diagram of the host circuit connection structure of the present invention;

fig. 4 is a schematic diagram of the electrical components of fig. 3.

In the figure: 1. a tapping device; 101. a handle; 102. a drill stem; 103. a spiral scraper knife; 2. a conductive unit; 201. a thick-walled stainless steel probe tube; 202. a probe cylinder; 203. a handle portion; 204. a through hole; 205. an inner hexagonal anti-drop bolt; 206. a sound insulating layer; 207. a sound pickup; 208. fixing the end head; 209. perforating; 210. a pickup port; 211. a gasket; 3. a host; 31. an audio transmission port; 32. a second signal transmission line; 33. a volume adjusting knob; 4. an earphone; 5. a first signal transmission line.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the utility model discloses a simple leakage detection device for buried gas pressure pipeline, including trompil device 1, conduction unit 2, host computer 3 and earphone 4, conduction unit 2 includes thick wall stainless steel exploring tube 201, and the middle part of thick wall stainless steel exploring tube 201 is integrated into one piece has through-hole 204, and the front end of thick wall stainless steel exploring tube 201 is screwed and fixed with probe cylinder 202; the external part of the tail end of a thick-wall stainless steel probe tube 201 is a handle part 203, the inner side of a probe tube 202 is spliced with a sound pick-up 207, a sound insulation layer 206 is filled between the external part of the sound pick-up 207 and the inner wall of the probe tube 202, the sound insulation layer 206 is arranged to centralize the direction of sound wave collection of a sound pick-up end 208 of the sound pick-up 207 and improve the definition and effectiveness of sound wave collection, the sound pick-up 207 adopts a 52DB type electret capacitor sound pick-up, the sensitivity of the sound pick-up 207 is-48-66 Db, the response frequency is 20-20KHZ, a gasket 211 is arranged between the tail end of the sound pick-up 207 and the probe tube 202, a fixed end 208 is screwed in the inner side of the front end of the probe tube 202, a through hole 209 is arranged in the middle part of the fixed end 208, the front end of the sound pick-up 207 is a sound pick-up port 210, the position, first signal transmission line 5 passes behind the inside through-hole 204 of thick wall stainless steel detecting tube 201 and is connected with the signal input port of host computer 3, one side of host computer 3 is equipped with audio transmission port 31, it has second signal transmission line 32 to peg graft in the audio transmission port 31, the one end of second signal transmission line 32 is connected on the connection port of earphone 4, one side of host computer 3 still is equipped with volume knob 33, host computer 3 is audio amplifier, built-in audio amplification circuit board and battery case have, the battery case is connected with audio amplification circuit and adapter 207 electricity, be equipped with the port of charging on the battery case, the port of charging is located the host computer 3 back.

The tapping device 1 comprises a grab handle 101, the middle of the grab handle 101 is welded with a drill rod 102 in a vertical mode, the outer welding of the drill rod 102 is welded with a spiral scraper knife 103, the surface of the drill rod 102 is provided with a scale from top to bottom in an equidistant mode, the structural design can facilitate the working personnel to tap holes at preset positions, meanwhile, the working personnel can know the drilling depth constantly, and the underground gas transmission pipeline is prevented from being damaged.

The inside of a probe section of thick bamboo 202 tail end is twisted soon with the position department that thick wall stainless steel detecting tube 201 is connected has hexagon socket head cap anticreep bolt 205, sets up hexagon socket head cap anticreep bolt 205 and can effectively carry out further fixed to a probe section of thick bamboo 202, prevents that a probe section of thick bamboo 202 from appearing not hard up and coming off.

When using the utility model discloses the time: the worker drills a detection hole in a soil layer above a gas transmission pipeline in a spiral drilling mode through the hole drilling device 1, (note that the hole drilling depth is determined according to the buried depth of the pipeline, and is smaller than the buried depth of the pipeline to ensure that the pipeline is not damaged), after hole drilling is completed, the thick-wall stainless steel detection pipe 201 of the conduction unit 2 is carried with the probe cylinder 202 and the sound pickup 207 to penetrate into the hole, sound wave signals are collected by the sound pickup 207, the sound wave signals are amplified through the host machine 3, and then the worker can listen to the sound signals through the earphone 4, and what needs to be further explained is that: any leakage of compressed gas is the release of physical energy of the compressed gas itself, so that when the compressed gas in the pipe flows out from the leakage point, the energy release is performed, air in the surrounding soil layer is vibrated to generate audible sound, and the sound wave can be collected by the sound collector 207.

The utility model discloses the earphone that uses in is present general audio playback earphone, and the adapter is 52DB type electret electric capacity adapter, for common electrical components in present electronics field, and its circuit and principle are consequently no longer repeated herein.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a detection device simply reveals for burying ground gas pressure pipeline, includes trompil device (1), conduction unit (2), host computer (3) and earphone (4), its characterized in that: the conduction unit (2) comprises a thick-wall stainless steel detection tube (201), a through hole (204) is integrally formed in the middle of the thick-wall stainless steel detection tube (201), and a probe cylinder (202) is fixedly screwed at the front end of the thick-wall stainless steel detection tube (201); the external part of the tail end of a thick-wall stainless steel probe tube (201) is a handle part (203), the inner side of a probe tube (202) is spliced with a sound pick-up (207), a sound insulation layer (206) is filled between the external part of the sound pick-up (207) and the inner wall of the probe tube (202), a gasket (211) is arranged between the tail end of the sound pick-up (207) and the probe tube (202), a fixed end head (208) is screwed in the inner side of the front end of the probe tube (202), a through hole (209) is formed in the middle of the fixed end head (208), the front end of the sound pick-up (207) is a sound pick-up port (210), the position of the sound pick-up port (210) corresponds to the position of the through hole (209), a signal output port at the tail end of the sound pick-up (207) is connected with a first signal transmission line (5), the first signal transmission line (5) is connected with a signal input port of a, one side of host computer (3) is equipped with audio transmission port (31), and it has second signal transmission line (32) to peg graft in audio transmission port (31), the one end of second signal transmission line (32) is connected on the connection port of earphone (4), one side of host computer (3) still is equipped with volume knob (33).

2. A simple leak detection device for a buried gas pressure pipeline according to claim 1, characterised in that: the tapping device (1) comprises a grab handle (101), a drill rod (102) is welded in the middle of the grab handle (101) in a vertical mode, a spiral scraper knife (103) is welded outside the drill rod (102), and scales are carved on the surface of the drill rod (102) at equal distances from top to bottom.

3. A simple leak detection device for a buried gas pressure pipeline according to claim 1, characterised in that: an inner hexagonal anti-falling bolt (205) is screwed at the position where the inside of the tail end of the probe cylinder (202) is connected with the thick-wall stainless steel probe tube (201).

4. A simple leak detection device for a buried gas pressure pipeline according to claim 1, characterised in that: host computer (3) are audio amplifier, and the built-in audio amplifier circuit board and battery case that have, battery case and audio amplifier circuit and adapter (207) electricity are connected, are equipped with the port that charges on the battery case, and the port that charges is located host computer (3) back.

5. A simple leak detection device for a buried gas pressure pipeline according to claim 1, characterised in that: the sound pick-up (207) adopts a 52DB type electret capacitor sound pick-up, the sensitivity of the sound pick-up (207) is-48-66 Db, and the response frequency is 20-20 KHZ.