CN219796930U - Gas filling overpressure alarm device - Google Patents

Abstract

The utility model relates to the technical field of gas filling, in particular to a gas filling overpressure alarm device which comprises a shell and a connecting pipe; the two handles are respectively arranged at two sides of the shell; the controller is fixedly connected inside the shell; the alarm is fixedly connected to the top end of the shell and is electrically connected with the controller; the pressure sensor is in threaded connection with the outer side of the connecting pipe and is in telecommunication connection with the controller; the power switch is fixedly connected to the front surface of the shell and is electrically connected with the controller; the nixie tube and the alarm indication are arranged on the front surface of the shell and are in telecommunication connection with the controller; the hanging rod is fixedly connected to the back of the shell. The pressure sensor is adopted to transmit the pressure signal to the controller, the controller is used for controlling the on-off of a circuit of the alarm, the accuracy and timeliness of overpressure alarm can be greatly improved, and the handles are additionally arranged on two sides of the shell, so that the equipment can be conveniently lifted by applying force, and the convenience of equipment installation is improved.

Description

Gas filling overpressure alarm device

Technical Field

The utility model relates to the technical field of gas filling, in particular to a gas filling overpressure alarm device.

Background

For gas filled containers and pipes, the slight overpressure may have little effect on the pipe or container for a short period of time, but will certainly affect the lifetime for a long period of time; however, if the overpressure is high, the pipe or the container is at risk of local deformation, leakage or even explosion, so that the container or the pipe for gas filling does not allow the overpressure phenomenon to exist.

The existing gas filling overpressure alarm equipment is generally wall-mounted, and has a certain weight because no good force point basically drags the equipment shell for hanging installation during installation, so that the installation is very inconvenient, in addition, the existing gas filling overpressure alarm equipment generally utilizes the on-off of a circuit of an opening and closing control controller of a point contact sensing piece to achieve the alarm control effect of an alarm, but because the sensitivity of a contact sensing piece is limited, the error of integral detection is larger, alarm delay or early alarm can be possibly caused, and the use of the equipment, an air charging pipeline and a gas container can be influenced.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the gas filling overpressure alarm device, which adopts the pressure sensor to transmit the pressure signal to the controller, controls the on-off of a circuit of the alarm through the controller to achieve the alarm effect, can greatly improve the accuracy and timeliness of overpressure alarm, and facilitates the lifting of equipment by applying force through additionally arranging handles on two sides of the shell, thereby improving the convenience of equipment installation.

The above-mentioned application purpose of the utility model is realized through the following technical scheme:

a gas-filled overpressure alarm device comprising:

a housing and a connection tube;

the two handles are respectively arranged at two sides of the shell;

the controller is fixedly connected inside the shell;

the alarm is fixedly connected to the top end of the shell and is electrically connected with the controller;

the pressure sensor is in threaded connection with the outer side of the connecting pipe and is in telecommunication connection with the controller;

the power switch is arranged on the front surface of the shell and is electrically connected with the controller;

the nixie tube and the alarm indication are arranged on the front surface of the shell and are in telecommunication connection with the controller;

the hanging rod is fixedly connected to the back of the shell.

Optionally, the edges of the shell are all in arc transition.

Optionally, the nixie tube is a four-bit nixie tube.

Optionally, the connecting pipe is connected with an electromagnetic valve through threads, and the electromagnetic valve is electrically connected with the controller.

Optionally, the pressure sensor and the connecting pipe and the threaded connection part of the electromagnetic valve and the connecting pipe are all fixedly sealed by anaerobic adhesive.

Optionally, a handle groove is formed in the side face of the shell.

Optionally, a key is installed in front of the housing, and the key is in signal connection with the controller.

Optionally, flanges are welded on two sides of the connecting pipe.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the pressure sensor is adopted to transmit pressure signals to the controller, the circuit of the alarm is controlled to be on-off through the controller so as to achieve the alarm effect, the accuracy and timeliness of overpressure alarm can be greatly improved, and the handles are additionally arranged on the two sides of the shell, so that the equipment is conveniently lifted by applying force, and the convenience of equipment installation is improved.

2. Through threaded connection solenoid valve on the connecting pipe to with solenoid valve and controller electricity connection, can be immediately through the switching on of controller messenger's solenoid valve power when superpressure, make its gas passage close, avoid aerating device to continue to charge to waiting to fill in the container, provide sufficient reaction time for operating personnel, improved the protectiveness to pipeline and container.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the overall semi-section structure of an embodiment of the present utility model.

Reference numerals: 1. a housing; 2. a connecting pipe; 3. a controller; 4. an alarm; 5. a pressure sensor; 6. a power switch; 7. a nixie tube; 8. an alarm indication; 9. an electromagnetic valve; 10. a key; 11. a handle; 12. a handle groove; 13. a flange; 14. a hanging rod.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

In order to more clearly understand the technical scheme shown in the embodiment of the utility model, the working principle of the existing gas filling overpressure alarm device is introduced firstly, the existing gas filling overpressure alarm device is generally a pressure sensing device of the alarm device arranged between an air charging device and a gas pipeline between the air cylinder to be charged, and particularly, the pressure sensing device is disconnected or connected with a circuit in a control system through the moving disconnection or the moving connection of an internal contact sensing piece and a spring tube so as to achieve the purposes of automatic control and signaling alarm.

Referring to fig. 1, fig. 2 and fig. 3, the gas filling overpressure alarm device disclosed by the embodiment of the utility model comprises a shell 1 and a connecting pipe 2, handles 11 are arranged on two sides of the shell 1, a hanging rod 14 is welded on the back of the shell 1, a controller 3 is connected with the inside of the shell 1 through bolts, an alarm 4 is arranged at the top end of the shell 1 and is electrically connected with the controller 3, a pressure sensor 5 is connected with the outer side of the connecting pipe 2 through threads, the pressure sensor 5 is in telecommunication connection with the controller 3, a power switch 6 of the device is arranged on the front of the shell 1 and is electrically connected with the controller 3, a nixie tube 7 and an alarm indication 8 are also arranged on the front of the shell 1, and the nixie tube 7 and the alarm indication 8 are in telecommunication connection with the controller 3. It will be appreciated that one end of the connecting tube 2 should be connected to the inflation outlet port of the inflator and the other end should be connected to the container to be inflated by a corresponding connection.

In the following description, in combination with a specific use scenario, when in installation, one end of the connecting pipe 2 is connected with an air outlet port of the air charging device, the other end of the connecting pipe 2 is connected with a specific connecting piece, a bus bar is often adopted in the market, a plurality of outlet connections of the bus bar are connected with a container to be inflated through rubber pipes, an installer holds up the device through a holding handle 11, the device is hung on a wall through a hanging rod 14, and obviously, a hanging component which can be matched with the hanging rod 14 is arranged on the wall in advance; after the installation, the power switch 6 is turned on, the controller 3, the nixie tube 7 and the pressure sensor 5 are all electrified, the air pressure value in the connecting tube 2 is displayed on the nixie tube 7, when the air is inflated, the air valve of the container to be inflated is opened, then the air charging device is opened, the air flows to the container to be inflated through the connecting tube 2, at the moment, the container is communicated with the connecting tube 2, the air pressure is the same, the pressure sensor 5 transmits a pressure signal to the controller 3, once the overpressure occurs, the controller 3 immediately controls the circuit of the alarm 4 to be closed, the alarm 4 gives an alarm to prompt an operator to timely close the air charging device, the alarm 4 still can continuously alarm due to the fact that the connecting tube 2 and the air charging container are still in the overpressure state after the air charging device is closed, at the moment, the alarm 4 stops alarming by pressing the alarm indication 8, and the alarm 4 can again alarm when the overpressure occurs after the next air charging.

In the whole, adopt pressure sensor 5 to give controller 3 with pressure signal, the circuit break-make through controller 3 control alarm 4 reaches the effect of reporting to the police, can greatly improve accuracy, the timeliness that the superpressure reported to the police to through add handle 11 at casing 1 both sides, be convenient for hold up equipment, make equipment installation more convenient.

Referring to fig. 1 and 2, as a specific implementation of the application example, the edges of the housing 1 all adopt arc transitions.

The edge of the shell 1 is uniformly in arc transition, so that the phenomenon of stress concentration at the corners of the shell 1 can be effectively avoided, and people are not easy to be injured after the corners are in arc transition.

As a specific implementation manner of the application example, the nixie tube 7 is a four-bit nixie tube.

In combination with a specific use scene, the nixie tube 7 adopts a four-bit nixie tube, so that the display accuracy of pressure data is higher, and the accuracy of reading the air pressure value is improved.

Referring to fig. 1 and 3, as a specific implementation of the application example, the connection pipe 2 is screwed with a solenoid valve 9, and the solenoid valve 9 is electrically connected with the controller 3.

The electromagnetic valve 9 is connected to the controller 3 through threads on the connecting pipe 2 in combination with a specific use scene, and the electromagnetic valve 9 is electrically connected with the controller 3, so that the electromagnetic valve 9 is powered on through the controller 3 immediately when the pressure is exceeded, a gas channel of the electromagnetic valve is closed, the inflation device is prevented from continuously inflating into a container to be inflated, enough reaction time is provided for operators, and the protectiveness of the pipeline and the container is improved.

As a specific implementation mode of the application embodiment, the threaded connection parts of the pressure sensor 5 and the connecting pipe 2 and the threaded connection parts of the electromagnetic valve 9 and the connecting pipe 2 are fixedly sealed by anaerobic glue.

The device is combined with a specific use scene, and the threaded connection parts of the pressure sensor 5 and the connecting pipe 2 and the electromagnetic valve 9 and the connecting pipe 2 are fixedly sealed by adopting anaerobic adhesive, so that the connection tightness can be greatly improved, the gas dissipation is avoided, and the safety of the device is improved to a certain extent.

Referring to fig. 1 and 2, as a specific embodiment of the application example, both sides of the housing 1 are provided with handle grooves 12.

In combination with a specific use scene, the handle 11 can be placed in the handle groove 12 after the equipment is installed by arranging the handle groove 12 on both sides of the shell 1, so that the equipment has better integrity and saves space occupation.

Referring to fig. 1, as a specific implementation manner of the application example, a key 10 is installed on the front surface of a casing 1, and the key 10 is in signal connection with a controller 3.

In combination with specific use scenes, because the temperature difference between winter and summer is large, the bearing capacities of the pipe fitting and the gas container are also different, the pressure value of the alarm pressure can be regulated through the key 10 by installing the key 10 on the front surface of the shell 1 and connecting the key 10 with the controller 3 in a telecommunication way, and when the pressure sensed by the pressure sensor 5 reaches the corresponding value, the alarm 4 alarms, so that the accuracy of equipment adaptability and equipment operation is improved as a whole.

Referring to fig. 1, as a specific embodiment of the application example, flanges 13 are welded to both ends of the connection pipe 2.

The flange 13 is welded at two ends of the connecting pipe 2 and is connected with an external air charging device and other connecting devices through the flange 13, so that the convenience of equipment installation is improved.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A gas filling overpressure alarm device, comprising:

a housing (1) and a connecting tube (2);

two handles (11) respectively arranged at two sides of the shell (1);

the controller (3) is fixedly connected inside the shell (1);

the alarm (4) is fixedly connected to the top end of the shell (1) and is electrically connected with the controller (3);

the pressure sensor (5) is in threaded connection with the outer side of the connecting pipe (2) and is in telecommunication connection with the controller (3);

the power switch (6) is arranged on the front surface of the shell (1) and is electrically connected with the controller (3);

the nixie tube (7) and the alarm indicator (8) are arranged on the front surface of the shell (1) and are in telecommunication connection with the controller (3);

the hanging rod (14) is fixedly connected to the back of the shell (1).

2. A gas-filled overpressure alarm device as set forth in claim 1, wherein:

the edges of the shell (1) are in arc transition.

3. A gas-filled overpressure alarm device as set forth in claim 1, wherein:

the nixie tube (7) is a four-bit nixie tube.

4. A gas-filled overpressure alarm device as set forth in claim 1, wherein:

the connecting pipe (2) is connected with an electromagnetic valve (9) in a threaded mode, and the electromagnetic valve (9) is electrically connected with the controller (3).

5. The gas filled overpressure alarm device of claim 4, wherein:

the threaded connection parts of the pressure sensor (5) and the connecting pipe (2) and the threaded connection parts of the electromagnetic valve (9) and the connecting pipe (2) are fixedly sealed by anaerobic glue.

6. A gas-filled overpressure alarm device as set forth in claim 1, wherein:

the side of the shell (1) is provided with a handle groove (12).

7. A gas-filled overpressure alarm device as set forth in claim 1, wherein:

the front of the shell (1) is provided with a key (10), and the key (10) is in signal connection with the controller (3).

8. A gas-filled overpressure alarm device as set forth in claim 1, wherein:

flanges (13) are welded on two sides of the connecting pipe (2).