CN211699163U

CN211699163U - Pipeline gas leakage alarm device

Info

Publication number: CN211699163U
Application number: CN202020826338.3U
Authority: CN
Inventors: 陈吉; 谢添
Original assignee: Chongqing Institute of Engineering
Current assignee: Chongqing Institute of Engineering
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-10-16
Anticipated expiration: 2030-05-18

Abstract

The utility model belongs to the technical field of pipeline gas leakage alarm device, concretely relates to pipeline gas leakage alarm device, including upper housing and lower casing, upper housing and lower casing all are equipped with the arc wall, and upper housing downside and lower casing all are equipped with the dysmorphism sealing washer, and upper housing is equipped with gas sensitive switch, and upper housing is equipped with the battery case, and the battery case is equipped with central controller and battery, and the battery case is equipped with the battery cover, and upper housing is equipped with L shape backup pad, and L shape backup pad includes riser and diaphragm, and two diaphragm lower extremes all are equipped with bee calling organ, and two diaphragm upper ends all are equipped with the warning light; the utility model discloses can monitor the leakage condition of two pipe connection departments, will report to the police through buzzing and the mode of light if the discovery leakage condition to arouse staff's attention, make that the timely understanding of staff has the leakage condition, avoid producing great loss.

Description

Pipeline gas leakage alarm device

Technical Field

The utility model belongs to the technical field of pipeline gas leakage alarm device, concretely relates to pipeline gas leakage alarm device.

Background

A plurality of pipelines (1) used for transporting gas are used in a chemical plant (as shown in figure 1 in the specification), when two pipelines (1) are connected, a flange (11) is usually welded at the end part, then a sealing ring (12) is arranged between the two flanges (11), and the two pipelines (1) are fixedly connected together through bolts, so that the two pipelines (1) can be connected together, in the long-time use process, the connection part between the two flanges (11) is inevitable to leak due to various reasons, if workers cannot timely know that the connection part of the pipelines (1) has a leakage condition, the leakage can be rapidly expanded under the washing of media, various losses are caused, and if toxic and harmful gas leaks, serious production accidents such as personnel poisoning, fire, even explosion and the like can be caused. Aiming at the problems, a pipeline gas leakage alarm device is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aims to provide a pipeline gas leakage alarm device for solving the problems existing in the background technology.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a pipeline gas leakage alarm device comprises an upper shell and a lower shell, wherein arc grooves matched with a pipeline are arranged on the left side and the right side of the upper shell and the lower shell, special-shaped sealing rings are arranged on the lower side of the upper shell and the upper side of the lower shell respectively, each special-shaped sealing ring comprises two U-shaped sections matched with the upper shell and the lower shell and two arc sections matched with the pipeline, the upper shell, the special-shaped sealing rings and the lower shell are fixedly connected through bolts, a gas-sensitive switch is arranged at the upper end of the inner side of the upper shell, a battery box is arranged at the upper end of the outer side of the upper shell, a central controller is arranged in the battery box, a battery is assembled in the battery box, a battery cover is arranged at the upper end of the battery box, L-shaped supporting plates are arranged on the left side and the right side of the, two diaphragm upper end all is equipped with the warning light, battery and central controller electric connection, gas sensitive switch and central controller electric connection, bee calling organ and warning light all with central controller electric connection.

By adopting the technical proposal of the utility model, the battery is used for supplying power for the central controller, the gas sensitive switch, the buzzer and the warning lamp, when the device is used, the upper shell, the special-shaped sealing ring and the lower shell are arranged at the joint between the two pipelines through the bolt, the upper shell and the lower shell are sealed under the action of the two special-shaped sealing rings, so that the two flange plates and the sealing rings are positioned in the airtight space formed by the upper shell and the lower shell, when the gas leaks from the joint between the two pipelines, the leaked gas can enter the airtight space formed by the upper shell and the lower shell, the gas sensitive switch sends a leakage signal to the central controller after detecting the leaked gas, the central controller controls the two buzzers and the two warning lamps to work, the buzzers can send buzzes after being electrified, the warning lamps can send light after being electrified, thus, the acousto-optic alarm can be formed, the leakage gas enters the closed space formed by the upper shell and the lower shell, so that the leakage at the joint of the two pipelines cannot be caused to the external environment even if leakage exists, and the serious production accidents such as poisoning of personnel, fire and even explosion are avoided; the utility model discloses can monitor the leakage condition of two pipe connection departments, will report to the police through buzzing and the mode of light if the discovery leakage condition to arouse staff's attention, make that the timely understanding of staff has the leakage condition, avoid producing great loss.

Further inject, both sides all are equipped with the buckle around the battery cover lower extreme, both sides all are equipped with buckle assorted buckle groove around the battery case. With this structure, the battery case and the battery cover can be connected and fixed.

Further, the warning lamp is an LED lamp. The structure has the advantages of small volume, long service life, low energy consumption and high brightness.

Further limited, a waterproof sealing gasket is arranged between the battery cover and the battery box. With this structure, water can be prevented from entering the battery cover.

Compared with the prior art, the utility model has the following advantages:

1. the utility model can monitor the leakage condition of the joint of the two pipelines, and if the leakage condition is found, the alarm can be given out in a buzzing and lighting mode to draw the attention of the working personnel, so that the working personnel can know the leakage condition at the position in time, and the great loss is avoided;

2. because the leaked gas enters the closed space formed by the upper shell and the lower shell, the joint of the two pipelines cannot be leaked to the external environment even if the leaked gas exists, and thus serious production accidents such as personnel poisoning, fire hazard and even explosion are avoided.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic diagram of a pipe, a flange and a sealing ring in the prior art;

fig. 2 is a schematic structural view of an embodiment of the pipeline gas leakage alarm device of the present invention;

fig. 3 is an exploded view of an embodiment of the pipeline gas leakage alarm device of the present invention;

fig. 4 is a schematic view of an upper housing structure of an embodiment of the pipeline gas leakage alarm device of the present invention;

fig. 5 is a schematic diagram of a battery cover structure of an embodiment of the device for alarming gas leakage in a pipeline according to the present invention.

The main element symbols are as follows:

the gas sensitive switch comprises a pipeline 1, a flange plate 11, a sealing ring 12, an upper shell 2, a lower shell 21, an arc-shaped groove 22, a special-shaped sealing ring 3, a U-shaped section 31, an arc-shaped section 32, a gas sensitive switch 4, a battery box 41, a battery 42, a battery cover 43, an L-shaped supporting plate 5, a vertical plate 51, a transverse plate 52, a buzzer 53, a warning lamp 54, a buckle 6 and a buckle groove 61.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the utility model discloses a pipeline gas leakage alarm device, which comprises an upper casing 2 and a lower casing 21, the left and right sides of the upper casing 2 and the lower casing 21 are both provided with arc grooves 22 matched with the pipeline 1, the lower side of the upper casing 2 and the upper side of the lower casing 21 are both provided with a special-shaped sealing ring 3, the special-shaped sealing ring 3 comprises two U-shaped sections 31 matched with the upper casing 2 and the lower casing 21 and two arc sections 32 matched with the pipeline 1, the upper casing 2, the special-shaped sealing ring 3 and the lower casing 21 are fixedly connected by bolts, the upper end of the inner side of the upper casing 2 is provided with a gas-sensitive switch 4, the upper end of the outer side of the upper casing 2 is provided with a battery box 41, a central controller is arranged in the battery box 41, a battery 42 is arranged in the battery box 41, the upper end of the battery box 41 is provided with a battery cover 43, the left, the lower ends of the two transverse plates 52 are respectively provided with a buzzer 53, the upper ends of the two transverse plates 52 are respectively provided with a warning lamp 54, the battery 42 is electrically connected with the central controller, the gas-sensitive switch 4 is electrically connected with the central controller, and the buzzers 53 and the warning lamps 54 are electrically connected with the central controller.

By adopting the technical scheme of the utility model, the battery 42 is used for supplying power to the central controller, the gas sensitive switch 4, the buzzer 53 and the warning lamp 54, when the device is used, the upper shell 2, the special-shaped sealing ring 3 and the lower shell 21 are arranged at the joint between the two pipelines 1 through bolts, the upper shell 2 and the lower shell 21 are sealed under the action of the two special-shaped sealing rings 3, so that the two flange plates 11 and the sealing rings 12 are positioned in the closed space formed by the upper shell 2 and the lower shell 21, when gas leaks from the joint between the two pipelines 1, the leaked gas can enter the closed space formed by the upper shell 2 and the lower shell 21, the leakage signal is sent to the central controller after the gas leakage is detected by the switch 4, the central controller controls the two buzzers 53 and the two warning lamps 54 to be electrified, the buzzing sound can be sent after the buzzing device 53 is electrified, the warning lamp 54 emits light after being electrified, so that an audible and visual alarm can be formed to attract the attention of workers, the workers can know that the leakage condition exists at the position in time, and great loss is avoided; the utility model discloses can monitor the leakage condition of two pipe connection departments, will report to the police through buzzing and the mode of light if the discovery leakage condition to arouse staff's attention, make that the timely understanding of staff has the leakage condition, avoid producing great loss.

Preferably, the front and rear sides of the lower end of the battery cover 43 are provided with the fasteners 6, and the front and rear sides of the battery case 41 are provided with the fastener grooves 61 matched with the fasteners 6. With this structure, the battery case 41 and the battery cover 43 can be connected and fixed. In fact, other structures capable of connecting and fixing the battery case 41 and the battery cover 43 may be used according to circumstances.

Preferably, the warning light 54 is an LED light. The structure has the advantages of small volume, long service life, low energy consumption and high brightness. In fact, other structures with the advantages of small volume, long service life, energy consumption and high brightness can be considered according to the situation.

Preferably, a waterproof gasket is provided between the battery cover 43 and the battery case 41. With this structure, water can be prevented from entering the battery cover 43. In fact, other structures capable of preventing water from entering the battery cover 43 may be considered according to circumstances.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a pipeline gas leakage alarm device, includes casing (2) and casing (21) down, its characterized in that: the gas-sensitive pipeline is characterized in that arc-shaped grooves (22) matched with the pipeline (1) are formed in the left side and the right side of the upper shell (2) and the lower shell (21), special-shaped sealing rings (3) are arranged on the lower side of the upper shell (2) and the upper side of the lower shell (21), each special-shaped sealing ring (3) comprises two U-shaped sections (31) matched with the upper shell (2) and the lower shell (21) and two arc-shaped sections (32) matched with the pipeline (1), the upper shell (2), the special-shaped sealing rings (3) and the lower shell (21) are fixedly connected through bolts, a gas-sensitive switch (4) is arranged at the upper end of the inner side of the upper shell (2), a battery box (41) is arranged at the upper end of the outer side of the upper shell (2), a central controller is arranged in the battery box (41), batteries (42) are arranged in the battery, go up casing (2) upper end left and right sides and all be equipped with L shape backup pad (5), L shape backup pad (5) include riser (51) and diaphragm (52), two diaphragm (52) lower extreme all is equipped with bee calling organ (53), two diaphragm (52) upper end all is equipped with warning light (54), battery (42) and central controller electric connection, gas sensitive switch (4) and central controller electric connection, bee calling organ (53) and warning light (54) all with central controller electric connection.

2. The pipeline gas leak alarm device according to claim 1, wherein: the battery cover is characterized in that buckles (6) are arranged on the front side and the rear side of the lower end of the battery cover (43), and buckle grooves (61) matched with the buckles (6) are arranged on the front side and the rear side of the battery box (41).

3. The pipeline gas leak alarm device according to claim 1, wherein: the warning lamp (54) adopts an LED lamp.

4. The pipeline gas leak alarm device according to claim 1, wherein: and a waterproof sealing gasket is arranged between the battery cover (43) and the battery box (41).