CN210485305U - Natural gas line junction leak hunting equipment - Google Patents
Natural gas line junction leak hunting equipment Download PDFInfo
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- CN210485305U CN210485305U CN201921000963.6U CN201921000963U CN210485305U CN 210485305 U CN210485305 U CN 210485305U CN 201921000963 U CN201921000963 U CN 201921000963U CN 210485305 U CN210485305 U CN 210485305U
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Abstract
The utility model provides a natural gas pipeline junction leak detection device, which comprises an upper half pipe and a lower half pipe, wherein connecting pieces are welded on one side and the other side of the upper half pipe and the lower half pipe, a hinge is arranged between the connecting pieces on one side of the upper half pipe and the lower half pipe, a fixing bolt is arranged between the connecting pieces on the other side, two ends of the upper half pipe and the lower half pipe are respectively provided with an encryption half pipe, the inner sides of the upper half pipe and the lower half pipe are respectively provided with a rubber layer, the inner side of the rubber layer is provided with an asbestos layer, the inner side of the asbestos layer is provided with a flexible graphite layer, a natural gas detection probe is embedded in the central position of the flexible graphite layer at the top part, the leak detection device is provided with the connecting pieces, the hinge and the fixing bolt, the upper half pipe and the lower half pipe can be movably unfolded through the hinge, and the upper half pipe and the lower half, the assembly mode of the joint of the pipeline and the pipeline is simple and convenient to use.
Description
Technical Field
The utility model relates to a natural gas line detects technical field, specifically is a natural gas line junction leak hunting equipment.
Background
The leakage detection device is a device for detecting natural gas leakage at a natural gas pipeline joint, the natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced in an oil field) from an exploitation place or a processing plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline.
The existing natural gas pipeline joint leak detection equipment has the following defects: the mounting means of leak hunting equipment and pipe connection department is complicated, is not convenient for use, and leak hunting equipment's sealed effect is poor, and detection effect is poor, and leak hunting equipment can not feed back the detected information in time, and the result of use is not good.
How to design a natural gas pipeline junction leak detection equipment to solve the problem that proposes in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas line junction leak hunting equipment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a natural gas pipeline joint leak detection device comprises an upper half pipe and a lower half pipe, wherein connecting pieces are welded on one side and the other side of the upper half pipe and the lower half pipe respectively, a hinge is installed between the connecting pieces on one side of the upper half pipe and the lower half pipe, a fixing bolt is installed between the connecting pieces on the other side, two ends of the upper half pipe and the lower half pipe are respectively provided with an encryption half pipe, the inner sides of the upper half pipe and the lower half pipe are respectively provided with a rubber layer, the inner side of the rubber layer is provided with an asbestos layer, the inner side of the asbestos layer is provided with a flexible graphite layer, a natural gas detection probe is embedded in the central position of the flexible graphite layer at the top, a buzzer is embedded in the top of the upper half pipe, a protective shell is installed at the bottom of the buzzer, the protective shell is welded with the inner wall of the upper half pipe, a controller is installed inside the protective shell, and the natural gas detection probe, the battery is installed to one side of controller, natural gas test probe, bee calling organ and controller all with battery electric connection.
Preferably, a handle is installed on the top of the upper half pipe, and the handle is welded with the upper half pipe.
Preferably, the encrypted half pipes are distributed in a central symmetry manner and are respectively welded with the upper half pipe and the lower half pipe.
Preferably, the upper half pipe and the lower half pipe are connected through a hinge at one side connecting piece and are connected through a fixing bolt at the other side connecting piece.
Preferably, the rubber layer is respectively attached to the inner walls of the upper half pipe and the lower half pipe, and the rubber layer, the asbestos layer and the flexible graphite layer are sequentially attached to each other.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses connecting piece, hinge and fixing bolt are installed to leak hunting equipment, and first pipe and second pipe accessible hinge activity expand, and first pipe and second pipe nestification are behind the pipe connection department, and accessible fixing bolt fixes, and is simple with the equipment mode of pipe connection department, convenient to use.
(2) The utility model discloses leak hunting equipment passes through rubber layer, asbestos layer and flexible graphite layer and carries out sealed processing to the pipe connection department, and is further sealed through encrypting half pipe, and is sealed effectual.
(3) The utility model discloses natural gas test probe, bee calling organ and controller are installed to leak hunting equipment, and when the natural gas of pipe connection department leaked, natural gas test probe can detect the very first time to on will detecting information transmission to the controller, controller control bee calling organ carries out the sound production and reports to the police, and it is efficient to leak hunting, and it is effectual to leak hunting, and the practicality is good.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a left side longitudinal sectional view of the upper and lower half pipes of the present invention;
FIG. 3 is a longitudinal cross-sectional view of the upper and lower half pipes of the present invention;
fig. 4 is a schematic circuit diagram of the present invention.
Illustration of the drawings: 1-the upper half tube; 2-lower half pipe; 3-encrypting the half pipe; 4-a connector; 5-a handle; 6-fixing the bolt; 7-a hinge; 8-a rubber layer; 9-an asbestos layer; 10-a flexible graphite layer; 11-natural gas detection probe; 12-a protective shell; 13-a storage battery; 14-a controller; 15-buzzer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, the present invention provides a technical solution: a natural gas pipeline junction leak detection device comprises an upper half pipe 1 and a lower half pipe 2, wherein connecting pieces 4 are welded on one side and the other side of the upper half pipe 1 and the lower half pipe 2, a hinge 7 is installed between the connecting pieces 4 on one side of the upper half pipe 1 and the lower half pipe 2, a fixing bolt 6 is installed between the connecting pieces 4 on the other side, encrypted half pipes 3 are installed at two ends of the upper half pipe 1 and the lower half pipe 2, rubber layers 8 are arranged on the inner sides of the upper half pipe 1 and the lower half pipe 2, asbestos layers 9 are arranged on the inner sides of the rubber layers 8, flexible graphite layers 10 are arranged on the inner sides of the asbestos layers 9, a natural gas detection probe 11 is embedded in the central position of each flexible graphite layer 10, a buzzer 15 is embedded in the top of the upper half pipe 1, a protective shell 12 is installed at the bottom of the buzzer 15, and the protective shell 12 is welded with the inner wall of the upper half pipe 1, the natural gas detection device is characterized in that a controller 14 is installed inside the protective shell 12, the natural gas detection probe 11 and the buzzer 15 are electrically connected with the controller 14, a storage battery 13 is installed on one side of the controller 14, the natural gas detection probe 11, the buzzer 15 and the controller 14 are electrically connected with the storage battery 13, and the types of the natural gas detection probe 11, the buzzer 15 and the controller 14 are respectively an ADL-600A-CH4 natural gas detection probe, an FSD-4216 buzzer and an STC89C52RC single-chip microcomputer.
The handle 5 is installed at the top of the upper half pipe 1, the handle 5 is welded with the upper half pipe 1, the encrypted half pipes 3 are distributed in a central symmetry mode, the encrypted half pipes 3 are respectively welded with the upper half pipe 1 and the lower half pipe 2, one side connecting pieces 4 of the upper half pipe 1 and the lower half pipe 2 are connected through hinges 7, the other side connecting pieces 4 are connected through fixing bolts 6, the rubber layer 8 is respectively attached to the inner walls of the upper half pipe 1 and the lower half pipe 2, the rubber layer 8, the asbestos layer 9 and the flexible graphite layer 10 are sequentially attached, the carrying of the equipment can be facilitated through the arranged handle 5, the natural gas pipeline connecting part can be effectively sealed through the arranged rubber layer 8, the asbestos layer 9 and the flexible graphite layer 10, the natural gas pipeline connecting part can be encrypted through the arranged encrypted half pipes 3, and the natural gas pipeline connecting part can be encrypted through the arranged hinges 7, be convenient for first half pipe 1 and the activity of half pipe 2 one side down, through the fixing bolt 6 that sets up, be convenient for fix first half pipe 1 and half pipe 2 down.
The circuit schematic diagram of fig. 4 of the present invention is analyzed as follows:
the utility model discloses a controller 14 adopts STC89C52RC singlechip to control, and the main pin function of STC89C52RC is:
p0 ports (P0.0-P0.7, 39-32 pins): port P0 is a tri-state bi-directional port, commonly referred to as a data bus port, because only this port can be used directly for read/write operations to external memory. Port P0 is also used to output the lower 8-bit address of the external memory. Since the output is time-sharing, the address data should be latched by an external latch, the address should be latched, and the signal should be ALE.
P1 ports (P1.0-P1.7, 1-8 pins): the port P1 is an I/O port dedicated to users and is a quasi-bidirectional port.
P2 ports (P2.0-P2.7, 21-28 pins): port P2 is used as the upper 8-bit address line for system expansion. When the external memory is not expanded, the port P2 can be used as a user I/O port line, and the port P2 is also a quasi-bidirectional port.
P3 ports (P3.0-P3.7, pins 10-17): the port P3 is a dual function port, each bit of which can be independently defined as either a first I/O function or a second I/O function. The first function is the same as the operation of port P1.
RESET (9 pin): a reset signal input terminal. Under the condition of stable and effective operation in the oscillation period, the RESET end maintains the high level of two machine periods, so that the device can be RESET.
ALE (30 pin): the address latch enable signal.
PSEN (pin 29): strobe signal of external ROM.
EA/VPP (31 pin): the internal and external gating of the program memory reads the instruction from the external program memory in response to the low level, and reads the instruction from the internal program memory in response to the high level.
X1(19 pins): and the inverting input end of the on-chip oscillating circuit.
X2(18 pins): and the inverted output end of the on-chip oscillating circuit.
VCC (40 pin): the power input is connected with a +5V power supply.
GND (20 pin): and a ground terminal.
The utility model discloses well STC89C52RC singlechip clock circuit adopts the inside clock mode, chooses for use 12M's crystal oscillator Y1 and C2, and the electric capacity of two 22pF of C3 constitutes a self-excited oscillator with the high-gain inverting amplifier in the piece and carries out work, and reset circuit adopts the electricity + manual reset.
The working principle is as follows: firstly, movably opening an upper half pipe 1 and a lower half pipe 2 through a hinge 7 between connecting pieces 4 at one side, opening an encryption half pipe 3 along with the opening, embedding the upper half pipe 1 and the lower half pipe 2 at a pipeline joint, embedding the encryption half pipe 3 on the pipeline along with the embedding, then fixing the connecting piece 4 at the other side by using a fixing bolt 6, using a leakage detection device after the leakage detection is completed, sealing the pipeline joint by using a rubber layer 8, an asbestos layer 9 and a flexible graphite layer 10 in the upper half pipe 1 and the lower half pipe 2, carrying out encryption processing on the pipeline joint by using the encryption half pipe 3, providing electric energy for the leakage detection device by using a storage battery 13, and detecting natural gas at the first time when the natural gas at the pipeline joint leaks (because the main component of the natural gas is methane and the relative molecular mass of the natural gas is less than that of air, the natural gas firstly leaks from the top of the pipeline joint), convert the physical signal into the signal of telecommunication to 14 transmissions to the controller, after controller 14 received the signal, will output control signal, P1.0 pin will be sent into the low level, and triode Q will switch on, and buzzer 15 gets electricity and sounds the sound and reports to the police, and the staff just knows this pipeline junction natural gas leakage.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a natural gas line junction leak hunting equipment, includes half pipe (1) and half pipe (2) down, its characterized in that: connecting pieces (4) are welded on one side and the other side of the upper half pipe (1) and the lower half pipe (2), a hinge (7) is installed between the upper half pipe (1) and the connecting piece (4) on one side of the lower half pipe (2), a fixing bolt (6) is installed between the connecting pieces (4) on the other side, the encrypted half pipes (3) are installed at two ends of the upper half pipe (1) and the lower half pipe (2), rubber layers (8) are arranged on the inner sides of the upper half pipe (1) and the lower half pipe (2), asbestos layers (9) are arranged on the inner sides of the rubber layers (8), flexible graphite layers (10) are arranged on the inner sides of the asbestos layers (9), a natural gas detection probe (11) is embedded in the center position of the top of the flexible graphite layers (10), a buzzer (15) is embedded in the top of the upper half pipe (1), and a protective shell (12) is installed at the bottom of the buzzer (15), just protective housing (12) and the inner wall welding of first half pipe (1), the internally mounted of protective housing (12) has controller (14), natural gas test probe (11) and bee calling organ (15) all with controller (14) electric connection, battery (13) are installed to one side of controller (14), natural gas test probe (11), bee calling organ (15) and controller (14) all with battery (13) electric connection.
2. The natural gas pipeline joint leak detection device according to claim 1, characterized in that: the top of the upper half pipe (1) is provided with a handle (5), and the handle (5) is welded with the upper half pipe (1).
3. The natural gas pipeline joint leak detection device according to claim 1, characterized in that: the encrypted half pipes (3) are distributed in a central symmetry manner, and the encrypted half pipes (3) are respectively welded with the upper half pipe (1) and the lower half pipe (2).
4. The natural gas pipeline joint leak detection device according to claim 1, characterized in that: the upper half pipe (1) is connected with the connecting piece (4) at one side of the lower half pipe (2) through a hinge (7), and the connecting pieces (4) at the other side are connected through a fixing bolt (6).
5. The natural gas pipeline joint leak detection device according to claim 1, characterized in that: the rubber layer (8) is respectively attached to the inner walls of the upper half pipe (1) and the lower half pipe (2), and the rubber layer (8), the asbestos layer (9) and the flexible graphite layer (10) are sequentially attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000963.6U CN210485305U (en) | 2019-06-28 | 2019-06-28 | Natural gas line junction leak hunting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000963.6U CN210485305U (en) | 2019-06-28 | 2019-06-28 | Natural gas line junction leak hunting equipment |
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| CN210485305U true CN210485305U (en) | 2020-05-08 |
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| CN201921000963.6U Active CN210485305U (en) | 2019-06-28 | 2019-06-28 | Natural gas line junction leak hunting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678052A (en) * | 2020-06-17 | 2020-09-18 | 王昌济 | Pipeline sealing detection mechanism for air separation device |
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2019
- 2019-06-28 CN CN201921000963.6U patent/CN210485305U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678052A (en) * | 2020-06-17 | 2020-09-18 | 王昌济 | Pipeline sealing detection mechanism for air separation device |
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