Gas charging device for pre-charging protective gas into pressure container

Abstract

The utility model provides an inflating device for pre-inflating protective gas for a pressure vessel, which relates to the technical field of inflating and comprises a large screen frame, one end of the large screen frame is fixedly connected with a fixing part, the surface of the fixing part is fixedly connected with a small screen frame, and a power distribution cabinet is fixedly mounted on the surface of the large screen frame and close to the top. A time controller is fixedly mounted on the surface of the power distribution cabinet, a base is fixedly mounted at the top of the small screen frame, a U-shaped plate is fixedly mounted at the top of the base, and a gas switch is mounted in the U-shaped plate. According to the automatic nitrogen filling device, the gas switch is automatically triggered for filling gas after the gas filling device is automatically controlled, a power supply is turned on and a product is placed, manual forgetting of gas filling operation is avoided, the quality stability of the product is guaranteed, meanwhile, the nitrogen filling time can be accurately controlled according to the inner volume of the product by means of the gas flow meter and the time controller, and the accurate nitrogen filling amount is guaranteed; and the nitrogen charging effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of gas filling technology, and in particular to a gas filling device for pre-filling protective gas into pressure vessels. Background Technology

[0002] In the pressure vessel welding process, to prevent internal oxidation caused by high temperatures during welding, nitrogen gas must be introduced into the vessel before welding to purge the air.

[0003] Manual nitrogen filling often results in omissions, leading to some products not being filled with nitrogen and causing inconsistent product quality. Different products have different internal volumes and require different filling times, making it difficult to accurately adjust the filling time manually, which affects the nitrogen filling effect. Furthermore, manual filling often results in excessive filling time due to the inconvenience of time control, leading to the waste of nitrogen and other resources. Utility Model Content

[0004] This utility model mainly provides a gas filling device for pre-filling protective gas for pressure vessels, which precisely controls the nitrogen filling time, ensures accurate nitrogen filling amount, and improves nitrogen filling effect.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a gas filling device for pre-filling protective gas into a pressure vessel, comprising: a large mesh frame, a fixing member fixedly connected to one end of the large mesh frame, a small mesh frame fixedly connected to the surface of the fixing member, a power distribution cabinet fixedly installed on the surface of the large mesh frame near the top, a time controller fixedly installed on the surface of the power distribution cabinet, a base fixedly installed on the top of the small mesh frame, a U-shaped plate fixedly installed on the top of the base, a gas switch installed inside the U-shaped plate, a connecting plate fixedly installed inside the U-shaped plate near one end, a gas filling head fixedly installed on the surface of the connecting plate, and a gas flow meter fixedly installed on the surface of the fixing member.

[0006] Preferably, the bottom of the inflation head is fixed and connected to an air outlet hose, and the other end of the air outlet hose is fixed and connected to a gas switch. With the above arrangement, the gas switch can control the air outlet hose to release air.

[0007] Preferably, the other end of the gas switch is connected to a connecting hose, the other end of the connecting hose is fixed and connected to the output end of the gas flow meter, and the other end of the gas flow meter is fixed and connected to an inlet hose. With the above configuration, the gas flow meter can detect the amount of nitrogen flowing between the inlet hose and the connecting hose.

[0008] Preferably, a solenoid valve is installed on the surface of the air intake hose, and the solenoid valve is fixedly connected to the surface of the power distribution cabinet. With the above configuration, the solenoid valve can control the opening and closing of the air intake hose.

[0009] Preferably, a control device is fixedly connected to the surface of the large mesh frame and near one side. Through the above arrangement, the control device can control the device.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0011] 1. In this utility model, the inflation device is automatically controlled. After the power is turned on and the product is placed, the gas switch is automatically triggered to inflate the product, avoiding the need for manual forgetting of the inflation operation and ensuring the stability of product quality.

[0012] 2. In this utility model, by means of a gas flow meter and a time controller, the nitrogen filling time can be precisely controlled according to the internal volume of the product, ensuring accurate nitrogen filling and improving the nitrogen filling effect.

[0013] 3. In this utility model, after the inflation time is completed, the solenoid valve automatically shuts off the nitrogen supply, avoiding nitrogen waste caused by excessive inflation time and effectively saving resources. Attached Figure Description

[0014] Figure 1 A perspective view of a gas filling device for pre-filling protective gas into a pressure vessel is provided for this utility model.

[0015] Figure 2 A side view of an inflation device for pre-filling protective gas into a pressure vessel is provided for this utility model.

[0016] Figure 3 This utility model provides a schematic diagram of the processing component structure of an inflation device for pre-filling protective gas into a pressure vessel.

[0017] Figure 4 This utility model presents a schematic diagram of the pressing component structure of an inflation device for pre-filling protective gas into a pressure vessel.

[0018] Legend: 1. Large mesh frame; 2. Fixture; 3. Small mesh frame; 4. Distribution cabinet; 5. Time controller; 6. Base; 7. U-shaped plate; 8. Gas switch; 9. Connecting plate; 10. Gas outlet hose; 11. Inflation head; 12. Connecting hose; 13. Gas flow meter; 14. Control device; 15. Inlet hose; 16. Solenoid valve. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Please see Figures 1-4 This utility model provides a technical solution: an inflation device for pre-filling protective gas into a pressure vessel, comprising: a large mesh frame 1, a fixing member 2 fixedly connected to one end of the large mesh frame 1, a small mesh frame 3 fixedly connected to the surface of the fixing member 2, a power distribution cabinet 4 fixedly installed on the surface of the large mesh frame 1 near the top, a time controller 5 fixedly installed on the surface of the power distribution cabinet 4, a base 6 fixedly installed on the top of the small mesh frame 3, a U-shaped plate 7 fixedly installed on the top of the base 6, a gas switch 8 installed inside the U-shaped plate 7, a connecting plate 9 fixedly installed inside the U-shaped plate 7 near one end, an inflation head 11 fixedly installed on the surface of the connecting plate 9, and a gas flow meter 13 fixedly installed on the surface of the fixing member 2.

[0022] like Figure 1 As shown, the bottom of the inflation head 11 is fixed and connected to the air outlet hose 10, and the other end of the air outlet hose 10 is fixed and connected to the gas switch 8. Through the above arrangement, the gas switch 8 can control the air outlet hose 10 to release air.

[0023] like Figure 2 As shown, the other end of the gas switch 8 is connected to a connecting hose 12, and the other end of the connecting hose 12 is fixed and connected to the output end of the gas flow meter 13. The other end of the gas flow meter 13 is fixed and connected to an inlet hose 15. With the above settings, the gas flow meter 13 can detect the amount of nitrogen flowing between the inlet hose 15 and the connecting hose 12.

[0024] like Figure 3 As shown, a solenoid valve 16 is installed on the surface of the air intake hose 15. The solenoid valve 16 is fixedly connected to the surface of the power distribution cabinet 4. Through the above setting, the solenoid valve 16 can control the opening and closing of the air intake hose 15.

[0025] like Figure 4 As shown, a control device 14 is fixedly connected to the surface of the large mesh frame 1 and near one side. Through the above arrangement, the control device 14 can control the device.

[0026] The usage method and working principle of this device are as follows: By turning on the power supply of the distribution cabinet 4, the pre-charged product is placed on the device base 6, and the gas switch 8 is triggered at the same time. At this time, gas can enter the inlet hose 15, and the gas can pass through the gas flow meter 13 to monitor the nitrogen flow. The monitored nitrogen can then enter the connecting hose 12 and pass through the gas switch 8. The nitrogen can then enter the outlet hose 10 and be charged from the charging head 11. The required amount of nitrogen to be charged into the product can be effectively charged by the gas flow meter 13 and the time controller 5. When the charging time is completed, the solenoid valve 16 closes the nitrogen inlet.

[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A gas filling device for pre-filling protective gas into a pressure vessel, characterized in that, include: A large mesh frame (1) is fixedly connected to one end of the large mesh frame (1), and a small mesh frame (3) is fixedly connected to the surface of the fixed component (2). A power distribution cabinet (4) is fixedly installed on the surface of the large mesh frame (1) and near the top. A time controller (5) is fixedly installed on the surface of the power distribution cabinet (4). A base (6) is fixedly installed on the top of the small mesh frame (3). A U-shaped plate (7) is fixedly installed on the top of the base (6). A gas switch (8) is installed inside the U-shaped plate (7). A connecting plate (9) is fixedly installed inside the U-shaped plate (7) and near one end. An inflation head (11) is fixedly installed on the surface of the connecting plate (9). A gas flow meter (13) is fixedly installed on the surface of the fixed component (2).

2. The gas filling device for pre-filling protective gas in a pressure vessel according to claim 1, characterized in that: The bottom of the inflation head (11) is fixed and connected to an air outlet hose (10), and the other end of the air outlet hose (10) is fixed and connected to a gas switch (8).

3. A gas filling device for pre-filling protective gas into a pressure vessel according to claim 1, characterized in that: The other end of the gas switch (8) is connected to a connecting hose (12), the other end of the connecting hose (12) is fixed and connected to the output end of the gas flow meter (13), and the other end of the gas flow meter (13) is fixed and connected to an inlet hose (15).

4. A gas filling device for pre-filling protective gas into a pressure vessel according to claim 3, characterized in that: A solenoid valve (16) is installed on the surface of the air intake hose (15), and the solenoid valve (16) is fixedly connected to the surface of the power distribution cabinet (4).

5. A gas filling device for pre-filling protective gas into a pressure vessel according to claim 1, characterized in that: A control device (14) is fixedly connected to the surface of the large mesh frame (1) and near one side.

Images