CN214580523U

CN214580523U - LNG leaks autoalarm

Info

Publication number: CN214580523U
Application number: CN202120717014.0U
Authority: CN
Inventors: 江智勇; 陈丽; 徐宜德; 李娜; 孙建野
Original assignee: Qingdao Zhengwei Safety And Environmental Protection Technology Service Co Ltd
Current assignee: Qingdao Zhengwei Safety And Environmental Protection Technology Service Co Ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model relates to the technical field of LNG leakage automatic alarm, in particular to an LNG leakage automatic alarm device, which comprises a connecting pipe fitting main body, wherein the connecting pipe fitting main body comprises a connecting flange, the top of the connecting flange is provided with a mounting plate, the top of the mounting plate is provided with a motor frame, the top of the motor frame is provided with a forward and reverse rotating motor capable of being automatically controlled, the output end of the forward and reverse rotating motor is fixedly connected with a lead screw, the surface of the lead screw is provided with a trapezoidal sealing plate, and the other side of the connecting pipe fitting main body is provided with an air inlet pipe; through setting up positive and negative motor and lead screw, when trapezoidal closing plate abnormal moves down, start positive and negative motor through the electrical property and drive the lead screw and rotate to drive trapezoidal closing plate and move up once more, thereby make pressure sensor sense sufficient pressure once more, thereby make the connecting pipe fitting main part be in encapsulated situation once more, when making equipment use, can reply encapsulated situation automatically, avoid meeting accident.

Description

LNG leaks autoalarm

Technical Field

The utility model relates to a LNG leaks the autoalarm technical field, specifically is a LNG leaks autoalarm.

Background

LNG, i.e., liquefied natural gas, is natural gas that is liquid at normal pressure obtained by purifying natural gas produced in a gas field and then liquefying the natural gas at a series of ultra-low temperatures, and is known as the cleanest fossil energy on earth. Typically, the liquefied natural gas is at normal atmospheric pressure, but is liquefied by cooling to about-163 degrees celsius. The LNG mainly contains methane, is colorless, tasteless, nontoxic and noncorrosive, has the volume about 1/625 of the same volume of gaseous natural gas, has the mass about 45 percent of the same volume of water, and cannot automatically recover the sealing state in the prior art.

There is therefore a need for an automatic LNG leakage warning device that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic alarm device is leaked to LNG to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an LNG leakage automatic alarm device comprises a connecting pipe fitting main body, wherein the connecting pipe fitting main body comprises a connecting flange, a mounting plate is arranged at the top of the connecting flange, a motor frame is arranged at the top of the mounting plate, a forward and reverse rotating motor capable of being automatically controlled is arranged at the top of the motor frame, a lead screw is fixedly connected with the output end of the forward and reverse rotating motor, a trapezoidal sealing plate is arranged on the surface of the lead screw, a plurality of pressure sensors are fixedly arranged on the left side and the right side of the trapezoidal sealing plate, a limit switch is arranged at the bottom of the trapezoidal sealing plate, a first baffle plate is arranged on one side of the inner top wall of the connecting pipe fitting main body, a first supporting column is arranged on the first baffle plate, a second baffle plate is arranged on the other side of the inner bottom wall of the connecting pipe fitting main body, a second supporting column is arranged on the second baffle plate, and a bearing seat is arranged on the inner bottom wall of the connecting pipe fitting main body, an air outlet pipe is arranged on one side of the connecting pipe fitting main body, and an air inlet pipe is arranged on the other side of the connecting pipe fitting main body.

As the utility model discloses preferred scheme, the one end of keeping away from of intake pipe and connecting the pipe fitting main part is provided with the link of admitting air.

As the utility model discloses preferred scheme, the outlet duct is including the link and the connecting plate of giving vent to anger, the link setting of giving vent to anger has seted up the connecting hole of giving vent to anger in the one end of keeping away from the connection pipe fitting main part of outlet duct, the inner wall of the connecting hole of giving vent to anger, the connecting plate sets up at the top of outlet duct, and the one end of keeping away from the outlet duct of connecting plate is provided with the control box.

As the utility model discloses preferred scheme, the control box includes fixed plate, warning light, signal transceiver and LNG flow detection end, the warning light sets up top one side at the control box, signal transceiver sets up the opposite side at the top of control box, the fixed plate sets up the interior survey at the control box, LNG flow detection end sets up the inside at the control box, the front of control box is provided with the maintenance door, be provided with control panel on the maintenance door.

As the utility model discloses preferred scheme, the fixed plate includes battery and bee calling organ, battery and bee calling organ all set up the top at the fixed plate.

As the utility model discloses preferred scheme, the top of the inside diapire of control box, fixed plate and outlet duct is run through and extends to the inside of outlet duct to the one end of LNG flow detection end.

As the utility model discloses preferred scheme, the surface of joint board cup joints with the inner wall in cover groove.

As the utility model discloses preferred scheme, the top of lead screw run-through connection pipe fitting main part inside roof, flange, mounting panel and motor frame and with the output fixed connection of positive reverse motor, the lead screw is kept away from the one end of positive reverse motor and is cup jointed with the top activity of bearing frame.

As the utility model discloses preferred scheme, the one end of first baffle and the inside roof fixed connection of being connected the pipe fitting main part are kept away from to first support column, two first mounting grooves have evenly been seted up to one side of first baffle.

As the utility model discloses preferred scheme, the one end of second baffle and the inside diapire fixed connection of connecting the pipe fitting main part are kept away from to the second support column, two second mounting grooves have evenly been seted up to one side of second baffle.

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

1. the utility model discloses in, through setting up pressure sensor, warning light and bee calling organ, when positive reverse motor is not by the people for starting, thereby and pressure sensor is because of breaking away from the inside not enough pressure of response of then first mounting groove and second mounting groove when trapezoidal closing plate is abnormal to be moved down, when pressure sensor can not respond to pressure, then can lead to LNG to leak, then the electrical property starts bee calling organ, warning light and positive reverse motor, send out the police dispatch newspaper, when making equipment use, can in time remind the user, avoid sealed not tight LNG that leads to leaking.

2. The utility model discloses in, through setting up positive and negative motor and lead screw, when trapezoidal closing plate is abnormal moves down, start positive and negative motor through the electrical property and drive the lead screw and rotate to drive trapezoidal closing plate and move up once more, thereby make pressure sensor sense sufficient pressure once more, thereby make and connect the pipe fitting main part and be in encapsulated situation once more, when making equipment use, can reply encapsulated situation automatically, avoid meeting accident.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the whole interior of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. an air inlet pipe; 101. an air inlet connecting end; 2. connecting the pipe fitting main bodies; 202. a connecting flange; 202. mounting a plate; 203. a positive and negative rotation motor; 204. a motor frame; 205. a first baffle plate; 206. a first support column; 207. a screw rod; 208. a second baffle; 209. a limit switch; 210. a bearing seat; 211. a second support column; 212. a trapezoidal sealing plate; 213. a pressure sensor; 214. a first mounting groove 3 and an air outlet pipe; 302. an air outlet connecting end; 303. a connecting plate; 4. a control box; 401. a signal transceiver; 402. an alarm light; 403. a buzzer; 404. a storage battery; 405. a fixing plate; 407. LNG flow detection end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

in the embodiment, the LNG leakage automatic alarm device comprises a connecting pipe fitting main body 2, the connecting pipe fitting main body 2 comprises a connecting flange 201, a mounting plate 202 is arranged at the top of the connecting flange 201, a motor frame 204 is arranged at the top of the mounting plate 202, a forward and reverse motor 203 capable of being automatically controlled is arranged at the top of the motor frame 204, a lead screw 207 is fixedly connected with the output end of the forward and reverse motor 203, a trapezoidal sealing plate 212 is arranged on the surface of the lead screw 207, a plurality of pressure sensors 213 are fixedly arranged on the left side and the right side of the trapezoidal sealing plate 212, a limit switch 209 is arranged at the bottom of the trapezoidal sealing plate 212, a first baffle plate 205 is arranged on one side of the inner top wall of the connecting pipe fitting main body 2, a first supporting column 206 is arranged on the first baffle plate 205, a second baffle plate 208 is arranged on the other side of the inner bottom wall of the connecting pipe fitting main body 2, a second supporting column 211 is arranged on the second baffle plate 208, and a bearing seat 210 is arranged on the inner bottom wall of the connecting pipe fitting main body 2, an air outlet pipe 3 is arranged on one side of the connecting pipe fitting main body 2, an air inlet pipe 1 is arranged on the other side of the connecting pipe fitting main body 2, the air outlet pipe 3 comprises an air outlet connecting end 302 and a connecting plate 303, the air outlet connecting end 302 is arranged at one end of the air outlet pipe 3 far away from the connecting pipe fitting main body 2, an air outlet connecting hole is formed in the air outlet connecting end 302, internal threads are formed in the inner wall of the air outlet connecting hole, the connecting plate 303 is arranged on the top of the air outlet pipe 3, a control box 4 is arranged at one end of the connecting plate 303 far away from the air outlet pipe 3, the control box 4 comprises a fixing plate 405, an alarm lamp 402, a signal transceiver 401 and an LNG flow detection end 407, the alarm lamp 402 is arranged on one side of the top of the control box 4, the signal transceiver 401 is arranged on the other side of the top of the control box 4, the fixing plate 405 is arranged on the inner side of the control box 4, the LNG flow detection end 407 is arranged in the control box 4, and a maintenance door is arranged on the front side of the control box 4, the maintenance door is provided with a control panel; through setting up pressure sensor 213, warning light 402 and buzzer 403, when positive reverse motor 203 is not by the manual time that starts, and trapezoidal sealing plate 212 is unusual when moving down pressure sensor 213 is because of breaking away from then the inside not enough pressure of response of first mounting groove 214 and second mounting groove, when pressure sensor 213 does not respond to pressure, then can lead to the LNG to leak, then electrical property starts buzzer 403, warning light 402 and positive reverse motor 203, send out the police dispatch newspaper, when making equipment use, can in time remind the user, avoid sealed untight LNG that leads to leaking.

In an embodiment, referring to fig. 1 and 2, the top of the screw rod 207 penetrates through the top wall of the interior of the pipe fitting main body 2, the connecting flange 201, the mounting plate 202 and the motor frame 204 and is fixedly connected with the output end of the forward-reverse motor 203, and one end of the screw rod 207, which is far away from the forward-reverse motor 203, is movably sleeved with the top of the bearing seat 210; through setting up positive and negative motor 203 and lead screw 207, when trapezoidal closing plate 212 abnormal moves down, start positive and negative motor 203 through the electrical property and drive lead screw 207 and rotate to drive trapezoidal closing plate 212 and move up once more, thereby make pressure sensor 213 sense sufficient pressure once more, thereby make and connect pipe fitting main part 2 and be in encapsulated situation once more, when making equipment use, can reply encapsulated situation automatically, avoid taking place accident.

The utility model discloses the theory of operation: during the use, when positive reverse motor 203 is not by the artificial start, and trapezoidal sealing plate 212 is unusual when moving down pressure sensor 213 is because of breaking away from then the inside not enough pressure of response of first mounting groove 214 and second mounting groove, when pressure sensor 213 does not respond to pressure, then can lead to the LNG to leak, then electric property starts bee calling organ 403, warning light 402 and positive reverse motor 203, send out the police dispatch newspaper, when trapezoidal sealing plate 212 is unusual when moving down, it drives lead screw 207 to rotate to start positive reverse motor 203 through the electric property, thereby drive trapezoidal sealing plate 212 and move up once more, thereby make pressure sensor 213 sense enough pressure once more, thereby make connecting pipe fitting main part 2 be in encapsulated situation once more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LNG leaks autoalarm, includes connecting pipe fitting main part (2), its characterized in that: the connecting pipe fitting main body (2) comprises a connecting flange (201), a mounting plate (202) is arranged at the top of the connecting flange (201), a motor frame (204) is arranged at the top of the mounting plate (202), a forward and reverse rotating motor (203) capable of being automatically controlled is arranged at the top of the motor frame (204), a lead screw (207) is fixedly connected with the output end of the forward and reverse rotating motor (203), a trapezoidal sealing plate (212) is arranged on the surface of the lead screw (207), a plurality of pressure sensors (213) are fixedly arranged on the left side and the right side of the trapezoidal sealing plate (212), a limit switch (209) is arranged at the bottom of the trapezoidal sealing plate (212), a first baffle plate (205) is arranged on one side of the top wall of the interior of the connecting pipe fitting main body (2), a first supporting column (206) is arranged on the first baffle plate (205), and a second baffle plate (208) is arranged on the other side of the bottom wall of the interior of the connecting pipe fitting main body (2), be provided with second support column (211) on second baffle (208), the inside diapire of connecting pipe fitting main part (2) is provided with bearing frame (210), one side of connecting pipe fitting main part (2) is provided with outlet duct (3), the opposite side of connecting pipe fitting main part (2) is provided with intake pipe (1).

2. The automatic warning device for LNG leakage of claim 1, wherein: and an air inlet connecting end (101) is arranged at one end of the air inlet pipe (1) far away from the connecting pipe fitting main body (2).

3. The automatic warning device for LNG leakage of claim 1, wherein: the air outlet pipe (3) comprises an air outlet connecting end (302) and a connecting plate (303), the air outlet connecting end (302) is arranged at one end, far away from the connecting pipe fitting main body (2), of the air outlet pipe (3), an air outlet connecting hole is formed in the air outlet connecting end (302), internal threads are formed in the inner wall of the air outlet connecting hole, the connecting plate (303) is arranged at the top of the air outlet pipe (3), and a control box (4) is arranged at one end, far away from the air outlet pipe (3), of the connecting plate (303).

4. An automatic warning device for LNG leakage according to claim 3, characterized in that: control box (4) are including fixed plate (405), warning light (402), signal transceiver (401) and LNG flow detection end (407), warning light (402) set up in top one side of control box (4), signal transceiver (401) set up the opposite side at the top of control box (4), fixed plate (405) set up the interior survey in control box (4), LNG flow detection end (407) set up the inside in control box (4), the front of control box (4) is provided with the maintenance door, be provided with control panel on the maintenance door.

5. An LNG leakage automatic alarm device according to claim 4, characterized in that: the fixing plate (405) comprises a storage battery (404) and a buzzer (403), and the storage battery (404) and the buzzer (403) are both arranged at the top of the fixing plate (405).

6. An LNG leakage automatic alarm device according to claim 4, characterized in that: one end of the LNG flow detection end (407) penetrates through the bottom wall of the control box (4), the fixing plate (405) and the top of the air outlet pipe (3) and extends into the air outlet pipe (3).

7. The automatic warning device for LNG leakage of claim 1, wherein: the top of lead screw (207) runs through the inside roof of connecting pipe fitting main part (2), flange (201), mounting panel (202) and motor frame (204) and with the output fixed connection of just reversing motor (203), the one end that just reversing motor (203) was kept away from in lead screw (207) is cup jointed with the top activity of bearing frame (210).

8. The automatic warning device for LNG leakage of claim 1, wherein: one end that first baffle (205) were kept away from in first support column (206) and the inside roof fixed connection of connecting pipe fitting main part (2), two first mounting grooves (214) have evenly been seted up to one side of first baffle (205).

9. The automatic warning device for LNG leakage of claim 1, wherein: one end of the second supporting column (211) far away from the second baffle (208) is fixedly connected with the inner bottom wall of the connecting pipe fitting main body (2), and two second mounting grooves are uniformly formed in one side of the second baffle (208).