Early warning device

Abstract

The utility model relates to the technical field of fuel gas monitoring, in particular to an early warning device which comprises a communicating pipe, a hole is formed in the top of the communicating pipe, an installation pipe is installed in the communicating pipe in a communicating mode, a sensor body is fixedly installed in the installation pipe, and the early warning device further comprises a limiting ring. The limiting ring is arranged at the bottom of the sensor body; a sealing plug is movably installed on the side, opposite to the sensor body, of the limiting ring. According to the utility model, the problem of explosion risk caused by overlarge pressure in the gas pipeline is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas monitoring, in particular to an early warning device. Background Art

[0002] Gas is a general term for gaseous fuels, which can burn and release heat for use by residents and industrial enterprises. There are many types of gas, mainly natural gas, artificial gas, liquefied petroleum gas, biogas, coal-to-gas, etc. Gas is generally transported through pipelines. In order to ensure the safety of gas transportation, gas early warning devices are used to monitor the gas transportation pipelines.

[0003] Chinese utility model patent: Publication number CN220249697U, discloses a gas transmission leakage warning device, including a gas transmission pipe, a sealing cloth cover is arranged on the periphery of the gas transmission pipe, sealing belts are arranged on the periphery of both ends of the sealing cloth cover, a connection box is arranged in the middle of the upper end of the sealing cloth cover, a gas sensor is arranged on the lower side wall of the connection box, a PLC controller is arranged in the connection box, a fixing belt is arranged on the periphery of the connection box and the sealing cloth cover located at the lower part of the connection box, an alarm is arranged on one side of the upper end of the connection box, and a signal transceiver is arranged on the upper end of the connection box on the side of the alarm.

[0004] In the existing technology, when CN220249697U is in use, a sealing cloth cover, a sealing belt and a fixing belt are set, so that the device can be conveniently sealed and wrapped around the outside of different gas transmission pipes. The sealing cloth cover is made of flexible material and can change its shape. It can be suitable for monitoring needs of gas transmission pipes of different shapes and diameters such as straight pipes and curved pipes, and is very practical. The device can greatly reduce the cost of use by combining the sealing cloth cover with the connecting box, and is fixed by the sealing belt and the fixing belt, which can improve the installation convenience and efficiency of the device and reduce the installation cost.

[0005] When the gas pipeline is transporting gas, there is a high pressure in the pipeline. When the pressure in the pipeline is too high, there is a risk of the pipeline bursting. Therefore, an early warning device is needed to solve the above problem. Utility Model Content

[0006] The utility model aims to provide an early warning device which has the advantage of monitoring the pressure inside the pipeline and solves the problem of the risk of bursting due to excessive pressure inside the gas pipeline.

[0007] To achieve the above object, the utility model provides the following technical solution: an early warning device, comprising a connecting pipe, the top of the connecting pipe is opened and connected to a mounting pipe, a sensor body is fixedly installed in the mounting pipe, and also includes a limiting ring;

[0008] The limiting ring is arranged at the bottom of the sensor body;

[0009] Wherein, a sealing plug is movably installed on the side of the limiting ring opposite to the sensor body.

[0010] When using an early warning device in the technical solution, the sealing plug is slidably installed above the limit ring through the sliding rod. At this time, the sealing sleeve is put on the outside of the sensor body, and the sensor body is inserted into the mounting tube, and the top of the sliding rod is in contact with the bottom of the sensor body, and the position of the sensor body in the mounting tube is positioned by the mounting screws. At this time, the cover body is fixedly installed on the top of the mounting tube, and the bottom of the warning mechanism passes through the cover body and is threadedly connected to the top of the sensor body, and the connecting pipe is connected and installed with the gas pipeline. At this time, under the action of the pressure in the pipeline, the sealing plug moves up along the sliding rod in the mounting tube, thereby increasing the gas pressure on the side opposite to the sealing plug and the sensor body, and the air pressure is monitored through the sensor body. When the air pressure is too high, an alarm is sounded through the warning mechanism, thereby reminding the operator to perform pressure relief operations on the pipeline, thereby reducing safety risks.

[0011] Preferably, the connecting pipe is made of stainless steel, and flanges are provided at both ends of the connecting pipe.

[0012] The connecting pipe is designed with stainless steel material to increase the service life of the connecting pipe. Flanges are provided at both ends of the connecting pipe so that the connecting pipe can be connected and installed with the gas pipeline through the flanges.

[0013] Preferably, the installation pipe is designed with stainless steel material, the installation pipe and the connecting pipe are welded and installed, and a cover body is fixedly installed on the top of the installation pipe.

[0014] The installation pipe is designed to be made of stainless steel, thereby increasing the service life of the installation pipe, and the installation pipe and the connecting pipe are welded and installed, thereby improving the sealing of the connection.

[0015] Preferably, a through hole is opened on the top of the cover body and a warning mechanism is movably installed thereon, the bottom of the warning mechanism passes through the cover body and is threadedly installed on the top of the sensor body, and the warning mechanism is electrically connected to the sensor body.

[0016] By opening a through hole on the top of the cover body and movably installing a warning mechanism, the bottom of the warning mechanism passes through the cover body and is threadedly installed on the top of the sensor body, thereby achieving fixed installation of the warning mechanism. At the same time, the warning mechanism is electrically connected to the sensor body, and the warning mechanism can be triggered by the sensor body, thereby reminding the operator that the pressure in the pipeline is too high, and then timely pressure relief operation is performed.

[0017] Preferably, the sensor body adopts a pressure sensor structure design, and a sealing sleeve is sleeved on the outer side of the sensor body, and the outer wall of the sealing sleeve contacts the inner wall of the installation tube but is not fixedly connected.

[0018] The sensor body is designed with a pressure sensor structure, and a sealing sleeve is mounted on the outside of the sensor body. At the same time, the outer wall of the sealing sleeve is in contact with the inner wall of the installation tube but not fixedly connected, so that the inner top of the installation tube can be sealed by the sealing sleeve.

[0019] Preferably, the limiting ring is fixedly mounted on the bottom of the inner wall of the mounting tube, and sliding rods are fixedly mounted in a ring array on the outer side of the upper surface of the limiting ring.

[0020] By fixing the limiting ring on the bottom of the inner wall of the installation tube, the limiting ring is welded to the inner side of the installation tube when the installation tube is manufactured, thereby improving the stability of the limiting ring installation structure.

[0021] Preferably, the number of the sliding bars is six, and the tops of the six sliding bars are all in contact with the outer side of the bottom of the sensor body but are not fixedly connected.

[0022] By making the tops of the six slide bars contact the outer side of the bottom of the sensor body but not fixedly connected, it is convenient to disassemble the sensor body and also convenient to replace the aged sealing plug.

[0023] Preferably, a through hole is provided on the sealing plug, and the sliding rod passes through the through hole, and the outer wall of the sealing plug contacts the inner wall of the mounting tube but is not fixedly connected.

[0024] By opening a through hole on the sealing plug, the sliding rod can pass through the through hole, and the outer wall of the sealing plug contacts the inner wall of the mounting tube but is not fixedly connected, so that the gas in the pipeline is isolated by the sealing plug and the sealing plug and the opposite side of the sensor body are relatively sealed.

[0025] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0026] The utility model provides a limit ring, and the limit ring is arranged at the bottom of the sensor body. At the same time, a sealing plug is movably installed on the side opposite to the limit ring and the sensor body. When in use, the sealing plug is slidably installed above the limit ring through a sliding rod. At this time, the sealing sleeve is put on the outside of the sensor body, and the sensor body is inserted into the installation tube, and the top of the sliding rod is in contact with the bottom of the sensor body, and the position of the sensor body in the installation tube is positioned by the installation screw. At this time, the cover body is fixedly installed on the top of the installation tube, and the bottom of the warning mechanism passes through the cover body and is threadedly connected to the top of the sensor body, and the connecting pipe is connected and installed with the gas transmission pipeline. At this time, under the action of the pressure in the pipeline, the sealing plug moves up along the sliding rod in the installation tube, thereby increasing the gas pressure on the side opposite to the sealing plug and the sensor body, and the air pressure is monitored through the sensor body. When the air pressure is too high, an alarm is given through the warning mechanism, thereby achieving the effect of monitoring the pressure in the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0029] Figure 3 For the utility model Figure 2 The structural diagram of the enlarged part in the middle;

[0030] Figure 4 This is a schematic diagram of the sensor body connection structure of the utility model.

[0031] In the figure: 1. connecting pipe; 2. mounting pipe; 3. warning mechanism; 4. cover body; 5. sensor body; 6. sealing sleeve; 7. sliding rod; 8. sealing plug; 9. limiting ring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Example

[0034] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model provides an embodiment: an early warning device, including a connecting pipe 1, a hole is opened on the top of the connecting pipe 1 and a mounting pipe 2 is connected and installed, a sensor body 5 is fixedly installed in the mounting pipe 2, and also includes a limit ring 9;

[0035] Specifically,

[0036] The limiting ring 9 is arranged at the bottom of the sensor body 5;

[0037] A sealing plug 8 is movably mounted on the side of the limiting ring 9 opposite to the sensor body 5 .

[0038] By setting a limit ring 9 and setting the limit ring 9 at the bottom of the sensor body 5, at the same time, a sealing plug 8 is movably installed on the side opposite to the limit ring 9 and the sensor body 5. When in use, the sealing plug 8 is slidably installed above the limit ring 9 through the slide rod 7. At this time, the sealing sleeve 6 is sleeved on the outside of the sensor body 5, and the sensor body 5 is inserted into the mounting tube 2, and the top of the slide rod 7 is in contact with the bottom of the sensor body 5, and the position of the sensor body 5 in the mounting tube 2 is positioned by the mounting screws. At this time, the cover body 4 is fixedly installed on the top of the mounting tube 2, and the bottom of the warning mechanism 3 passes through the cover body 4 and is threadedly connected to the top of the sensor body 5, and the connecting pipe 1 is connected and installed with the gas pipeline. At this time, under the action of the pressure in the pipeline, the sealing plug 8 moves up along the slide rod 7 in the mounting tube 2, thereby increasing the gas pressure on the side opposite to the sealing plug 8 and the sensor body 5, and the air pressure is monitored through the sensor body 5, and when the air pressure is too high, an alarm is issued through the warning mechanism 3, thereby achieving the effect of monitoring the pressure in the pipeline.

[0039] Furthermore, the connecting pipe 1 is made of stainless steel, and flanges are provided at both ends of the connecting pipe 1.

[0040] The connecting pipe 1 is designed with stainless steel material, thereby increasing the service life of the connecting pipe 1 . Meanwhile, flanges are provided at both ends of the connecting pipe 1 , so that the connecting pipe 1 can be connected and installed with the gas pipeline through the flanges.

[0041] Furthermore, the installation pipe 2 is designed with stainless steel material, the installation pipe 2 and the connecting pipe 1 are welded and installed, and a cover body 4 is fixedly installed on the top of the installation pipe 2.

[0042] The installation pipe 2 is designed to be made of stainless steel, thereby increasing the service life of the installation pipe 2 , and the installation pipe 2 is welded to the connecting pipe 1 , thereby increasing the sealing performance of the connection.

[0043] Furthermore, a through hole is opened on the top of the cover body 4 and a warning mechanism 3 is movably installed. The bottom of the warning mechanism 3 passes through the cover body 4 and is threadedly installed on the top of the sensor body 5. The warning mechanism 3 is electrically connected to the sensor body 5.

[0044] By opening a through hole on the top of the cover body 4 and movably installing the warning mechanism 3, the bottom of the warning mechanism 3 passes through the cover body 4 and is threadedly installed on the top of the sensor body 5, thereby achieving fixed installation of the warning mechanism 3. At the same time, the warning mechanism 3 is electrically connected to the sensor body 5, and the warning mechanism 3 can be triggered by the sensor body 5, thereby reminding the operator that the pressure in the pipeline is too high, and then timely pressure relief operation is performed.

[0045] Furthermore, the sensor body 5 adopts a pressure sensor structure design, and a sealing sleeve 6 is sleeved on the outer side of the sensor body 5 , and the outer wall of the sealing sleeve 6 contacts the inner wall of the installation tube 2 but is not fixedly connected.

[0046] The sensor body 5 is designed with a pressure sensor structure, and a sealing sleeve 6 is mounted on the outside of the sensor body 5. At the same time, the outer wall of the sealing sleeve 6 is in contact with the inner wall of the mounting tube 2 but not fixedly connected, so that the inner top of the mounting tube 2 can be sealed by the sealing sleeve 6.

[0047] Furthermore, the limiting ring 9 is fixedly mounted on the bottom of the inner wall of the mounting tube 2 , and the sliding rods 7 are fixedly mounted in a ring array on the outer side of the upper surface of the limiting ring 9 .

[0048] By fixing the limiting ring 9 on the bottom of the inner wall of the mounting tube 2 , the limiting ring 9 is welded to the inner side of the mounting tube 2 during the manufacturing of the mounting tube, thereby improving the stability of the mounting structure of the limiting ring 9 .

[0049] Furthermore, there are six slide bars 7 , and the tops of the six slide bars 7 are in contact with the outer side of the bottom of the sensor body 5 but are not fixedly connected.

[0050] By making the tops of the six slide bars 7 contact with the outer side of the bottom of the sensor body 5 but not fixedly connected, it is convenient to disassemble the sensor body 5 and also convenient to replace the aged sealing plug 6.

[0051] Furthermore, a through hole is provided on the sealing plug 8, and the slide rod 7 passes through the through hole. The outer wall of the sealing plug 8 contacts the inner wall of the mounting tube 2 but is not fixedly connected.

[0052] By opening a through hole on the sealing plug 8, the sliding rod 7 can be passed through the through hole, and the outer wall of the sealing plug 8 is in contact with the inner wall of the mounting pipe 2 but not fixedly connected, so that the gas in the pipeline is isolated by the sealing plug 8, and the sealing plug 8 and the opposite side of the sensor body 5 are relatively sealed.

[0053] When the utility model is in use, the sealing plug 8 is slidably installed above the limit ring 9 through the sliding rod 7. At this time, the sealing sleeve 6 is sleeved on the outside of the sensor body 5, and the sensor body 5 is inserted into the mounting tube 2, and the top of the sliding rod 7 is in contact with the bottom of the sensor body 5, and the position of the sensor body 5 in the mounting tube 2 is positioned by the mounting screws. At this time, the cover body 4 is fixedly installed on the top of the mounting tube 2, and the bottom of the warning mechanism 3 passes through the cover body 4 and is threadedly connected to the top of the sensor body 5, and the connecting pipe 1 is connected and installed with the gas pipeline. At this time, under the action of the pressure in the pipeline, the sealing plug 8 moves up along the sliding rod 7 in the mounting tube 2, thereby increasing the gas pressure on the side opposite to the sealing plug 8 and the sensor body 5, and the air pressure is monitored through the sensor body 5, and when the air pressure is too high, an alarm is sounded through the warning mechanism 3, thereby reminding the operator to perform pressure relief operation on the pipeline, thereby reducing safety risks.

[0054] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An early warning device, comprising a connecting pipe (1), wherein the connecting pipe (1) has a hole at the top and is connected to a mounting pipe (2), wherein a sensor body (5) is fixedly mounted in the mounting pipe (2), characterized in that: Also includes: A limiting ring (9) is arranged at the bottom of the sensor body (5); A sealing plug (8) is movably mounted on the side of the limiting ring (9) opposite to the sensor body (5).

2. The early warning device according to claim 1, characterized in that: The connecting pipe (1) is made of stainless steel, and flanges are provided at both ends of the connecting pipe (1).

3. The early warning device according to claim 1, characterized in that: The installation pipe (2) is made of stainless steel, the installation pipe (2) and the connecting pipe (1) are welded and installed, and a cover body (4) is fixedly installed on the top of the installation pipe (2).

4. The early warning device according to claim 3, characterized in that: The top of the cover body (4) is provided with a through hole and a warning mechanism (3) is movably installed thereon; the bottom of the warning mechanism (3) passes through the cover body (4) and is threadedly installed on the top of the sensor body (5); the warning mechanism (3) is electrically connected to the sensor body (5).

5. The early warning device according to claim 1, characterized in that: The sensor body (5) adopts a pressure sensor structure design. A sealing sleeve (6) is sleeved on the outside of the sensor body (5). The outer wall of the sealing sleeve (6) contacts the inner wall of the mounting tube (2) but is not fixedly connected.

6. The early warning device according to claim 1, characterized in that: The limiting ring (9) is fixedly mounted on the bottom of the inner wall of the mounting tube (2), and sliding rods (7) are fixedly mounted in a ring array on the outer side of the upper surface of the limiting ring (9).

7. The early warning device according to claim 6, characterized in that: There are six slide bars (7), and the tops of the six slide bars (7) are in contact with the outer side of the bottom of the sensor body (5) but are not fixedly connected.

8. The early warning device according to claim 1, characterized in that: The sealing plug (8) is provided with a through hole, through which the slide rod (7) passes, and the outer wall of the sealing plug (8) contacts the inner wall of the mounting tube (2) but is not fixedly connected.

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