CN210955433U

CN210955433U - Liquefied gas filling leakage alarming and cutting interlocking device

Info

Publication number: CN210955433U
Application number: CN201922473320.XU
Authority: CN
Inventors: 黄小龙; 严卓豪; 丘文军
Original assignee: Liuzhou Runfa Chemical Co ltd
Current assignee: Liuzhou Runfa Chemical Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a liquefied gas filling leaks to report to police and cuts off interlock, include: the valve comprises a valve body and a connecting head, wherein a liquid conveying pipe is fixedly connected to the bottom of the valve body, a valve switch is fixedly connected to the top of the valve body, a transition pipe is fixedly connected to one side of the valve body, the connecting head is fixedly connected to one end, far away from the valve, of the transition pipe, and an electric valve is fixedly mounted on the transition pipe. The utility model provides a current liquefied gas filling device generally all be filling in batches, take place to leak at the filling in-process, the liquefied gas jar that will leak that can not be timely stops the filling, also is difficult to distinguish when personnel check which liquefied gas jar has produced the problem, plays the effect that in time reports to the police and suspend the filling, has the problem of very big potential safety hazard.

Description

Liquefied gas filling leakage alarming and cutting interlocking device

Technical Field

The utility model relates to a liquefied gas filling field specifically is a liquefied gas filling leaks to report to police and cuts off interlock.

Background

The liquefied petroleum gas is a colorless volatile liquid obtained by pressurizing, cooling and liquefying natural gas or petroleum in an oil refinery. It is very easy to self-ignite, when its content in air reaches a certain concentration range, it can explode when it meets open fire, the liquefied petroleum gas is mainly composed of hydrocarbon, its main components are propane, butane and other alkanes, etc. Of course, the composition of the lpg is also standardized, and not all of the components may be referred to as lpg, only if the gas composition has a propane plus butane percentage in excess of sixty percent.

However, the existing liquefied gas filling devices are generally filled in batches, leakage occurs in the filling process, the leaked liquefied gas tanks cannot be stopped to be filled in time, and the problem of the leaked liquefied gas tanks is not easily identified when personnel check the liquefied gas tanks, so that the functions of timely alarming and stopping filling cannot be realized, and great potential safety hazards are provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquefied gas filling leaks to report to police and cuts off interlock 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: a liquefied gas filling leaks warning and cuts off interlock includes: the valve comprises a valve body and a connecting head, wherein a liquid conveying pipe is fixedly connected to the bottom of the valve body, a valve switch is fixedly connected to the top of the valve body, a transition pipe is fixedly connected to one side of the valve body, the connecting head is fixedly connected to one end, far away from the valve, of the transition pipe, and an electric valve is fixedly mounted on the transition pipe.

Further, a single chip microcomputer is fixedly mounted on one side of the valve, a buzzer is fixedly mounted on one side, close to the single chip microcomputer, of the valve, and a signal input end of the buzzer is fixedly connected with a signal output end of the single chip microcomputer.

Furthermore, the air pressure sensor is fixedly installed inside the coupling head, and the signal output end of the air pressure sensor is fixedly connected with the signal input end of the single chip microcomputer.

Furthermore, the signal output end of the electric valve is fixedly connected with the signal input end of the single chip microcomputer.

Furthermore, the electric valve, the single chip microcomputer, the buzzer and the air pressure sensor are all connected with an external power supply.

Furthermore, the inner wall of the coupling head is fixedly provided with mounting threads.

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

the utility model discloses a mounting thread will need gas filled liquefied gas jar fixed connection, carry the valve with the liquefied gas through the transfer line in, open the valve switch and fill the liquefied gas, in the filling process, atmospheric pressure in the gas pressure sensor gathers the liquefied gas jar sends information to the singlechip, when atmospheric pressure reduces, electric valve is closed to the singlechip, and open bee calling organ and begin to report to the police, can take place to leak at the liquefied gas filling, in time stop the filling, and carry out the police dispatch newspaper to the staff, make things convenient for the staff to confirm the liquefied gas jar that goes wrong, and in time handle.

Drawings

Fig. 1 is a front view of a liquefied gas filling leakage alarm cut-off interlocking device in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a liquefied gas filling leakage alarm cut-off interlock;

fig. 3 is a top view of the liquefied gas filling leakage alarm cut-off interlocking device.

Reference numerals: 100-valve, 101-perfusion tube, 102-valve switch, 103-transition tube, 104-electric valve, 105-single chip, 106-buzzer, 200-connector, 201-air pressure sensor, 202-mounting screw thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, fig. 1 is a front view of a liquefied gas filling leakage alarm lockout device according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of a liquefied gas filling leakage alarm cut-off interlock; fig. 3 is a top view of an alarm-cut interlock for liquefied gas filling leakage, wherein the alarm-cut interlock for liquefied gas filling leakage comprises: the automatic valve comprises a valve 100 and a coupling head 200, wherein the bottom of the valve 100 is fixedly connected with an infusion tube 101, the top of the valve 100 is fixedly connected with a valve switch 102, one side of the valve 100 is fixedly connected with a transition tube 103, one end of the transition tube 103, far away from the valve 100, is fixedly connected with the coupling head 200, and the transition tube 103 is fixedly provided with an electric valve 104.

The valve is characterized in that a single chip microcomputer 105 is fixedly installed on one side of the valve 100, a buzzer 106 is fixedly installed on one side of the valve 100 close to the single chip microcomputer 105, a signal input end of the buzzer 106 is fixedly connected with a signal output end of the single chip microcomputer 105, and the opening of the buzzer 106 can be controlled through the single chip microcomputer 105.

The air pressure sensor 201 is fixedly arranged inside the coupling head 200, and the signal output end of the air pressure sensor 201 is fixedly connected with the signal input end of the single chip microcomputer 105, so that air pressure information acquired by the air pressure sensor 201 can be rapidly transmitted into the single chip microcomputer 105.

The signal output end of the electric valve 104 is fixedly connected with the signal input end of the single chip microcomputer 105, so that the single chip microcomputer 105 controls the electric valve 104 to be closed.

The electric valve 104, the single chip microcomputer 105, the buzzer 106 and the air pressure sensor 201 are all connected with an external power supply.

The inner wall of the coupling head 200 is fixedly provided with mounting threads 202, and the pipeline connected to the liquefied gas tank can be more tightly connected through the mounting threads 202.

To sum up, the utility model provides a pair of liquefied gas filling leaks warning and cuts off interlock, at the during operation, will need gas filled liquefied gas jar fixed connection through mounting thread 202, carry the liquefied gas in valve 100 through transfer line 101, open valve switch 102 and fill the liquefied gas, in the filling process, atmospheric pressure in the liquefied gas jar is gathered to baroceptor 201 sends information to singlechip 105, when atmospheric pressure reduces, electric valve 104 is closed to singlechip 105, and open bee calling organ 106 and begin to report to the police, can take place to leak at the liquefied gas filling, in time stop the filling, and carry out the police dispatch newspaper to the staff, make things convenient for the staff to confirm the liquefied gas jar that goes wrong, and in time handle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A liquefied gas filling leaks warning and cuts off interlock includes: valve (100) and coupling head (200), characterized in that, valve (100) bottom fixedly connected with transfer line (101), valve (100) top fixedly connected with has valve switch (102), valve (100) one side fixedly connected with transition pipe (103), transition pipe (103) keep away from one end fixedly connected with coupling head (200) of valve (100), transition pipe (103) fixed mounting has electric valve (104).

2. A liquefied gas filling leakage alarm cut-off interlocking device according to claim 1, wherein a single chip microcomputer (105) is fixedly installed at one side of the valve (100), a buzzer (106) is fixedly installed at one side of the valve (100) close to the single chip microcomputer (105), and a signal input end of the buzzer (106) is fixedly connected with a signal output end of the single chip microcomputer (105).

3. A liquefied gas filling leak alarm lockout device as claimed in claim 2 further comprising: the air pressure sensor (201), air pressure sensor (201) fixed mounting is inside coupling head (200), the signal output part of air pressure sensor (201) and the signal input end fixed connection of singlechip (105).

4. A liquefied gas filling leakage alarm cut-off interlock device according to claim 2, wherein the signal output end of the electrically operated valve (104) is fixedly connected with the signal input end of the single chip microcomputer (105).

5. A liquefied gas filling leakage alarm cut-off interlock device according to claim 3, wherein the electrically operated valve (104), the single chip microcomputer (105), the buzzer (106) and the gas pressure sensor (201) are all connected with an external power supply.

6. A liquefied gas filling leakage alarm cut-off interlocking device according to claim 1, wherein the inner wall of the coupling head (200) is fixedly provided with a mounting thread (202).