Ultra-pure gas cylinder drying and evacuating device

Abstract

The utility model provides an ultra-pure gas cylinder drying evacuator which comprises a box body, a vacuumizing assembly and an auxiliary assembly are arranged on the box body, the vacuumizing assembly comprises a vacuumizing device arranged on one side of the box body, a plurality of vacuumizing pipes are arranged on the vacuumizing device, the vacuumizing pipes are hoses, and the auxiliary assembly is arranged on the box body. A plurality of connectors are arranged at one end of the vacuumizing pipe, and the auxiliary assembly comprises a motor arranged in the box body, a screw rod arranged on the motor, a plurality of guide rods arranged in the box body and a plurality of fixing rings arranged in the box body. A scanner, an electric heating plate, a motor, a screw rod and other structures are arranged, crack detection is conducted on a gas cylinder through the scanner before the gas cylinder is dried and vacuumized, drying and vacuumizing treatment is conducted after it is determined that the gas cylinder is free of cracks, and in the process that the gas cylinder is heated and dried through the electric heating plate, the scanner can monitor the health state of a cylinder body of the gas cylinder in real time; and cracks can be found in time, so that safety accidents are avoided, and the safety performance of device operation is improved.

Description

Technical Field

[0001] This utility model relates to the field of gas filling technology, and more specifically, to a drying and evacuation device for ultra-high purity gas cylinders. Background Technology

[0002] When filling a gas cylinder with high-purity gas, in order to reduce the influence of other impurities on the gas, the cylinder must first be cleaned with water, then dried, and then evacuated. For example, Chinese Patent Publication No. CN222123817U discloses a drying and evacuation device for ultra-high purity gas cylinders. This device can effectively dry and evacuate the cylinder. However, this device cannot detect whether there are cracks in the cylinder during the evacuation and drying process. If there are cracks in the cylinder, it may cause an explosion during the evacuation and drying process, which poses a high safety risk. Therefore, this utility model proposes an ultra-high purity gas cylinder drying and evacuation device to solve the above problems. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this invention provides a drying and evacuation device for ultra-high purity gas cylinders, which has the advantages of high safety and the ability to monitor cracks in gas cylinders, thus solving the problem of high safety risks in existing devices.

[0005] (II) Technical Solution

[0006] To achieve the aforementioned goal of reducing the risks associated with the drying and vacuuming process of gas cylinders, this utility model provides the following technical solution: a drying and vacuuming device for ultra-high purity gas cylinders, comprising a housing, a vacuuming assembly and an auxiliary assembly mounted on the housing, the vacuuming assembly including a vacuuming device mounted on one side of the housing, the vacuuming device having multiple vacuuming tubes, each being a flexible tube, with multiple connectors at one end of each vacuuming tube; the auxiliary assembly including a motor mounted inside the housing, a screw mounted on the motor, multiple guide rods mounted inside the housing, multiple fixing rings mounted inside the housing, multiple heating plates mounted on the fixing rings, and a scanner mounted on the heating plates.

[0007] In an embodiment of this utility model, one end of the vacuum tube is provided with multiple connecting tubes, and an annular tube is provided between two adjacent connecting tubes. The number of connecting tubes is one more than the number of annular tubes.

[0008] In an embodiment of this utility model, two support plates are provided on the top of the box body. The two support plates are arranged symmetrically on the left and right. An electric push rod is provided on the support plate, and the output end of the electric push rod is fixed to the connecting pipe box.

[0009] In an embodiment of this utility model, a base is provided inside the box, and multiple limiting grooves are provided on the base. A gas collecting bottle is provided in the limiting groove, and the connector is located directly above the gas collecting bottle.

[0010] In an embodiment of this utility model, both the guide rod and the screw are provided with connecting parts, the fixing ring is disposed between two adjacent connecting parts, the middle connecting part is provided with a screw hole, and the screw is threadedly engaged with the screw hole.

[0011] In an embodiment of this utility model, a guide hole is provided on the connector on the guide rod, the guide rod is slidably connected to the guide hole, and the two ends of the guide rod are respectively disposed between the base and the housing.

[0012] In an embodiment of this utility model, a groove is provided on the fixing ring. The groove is designed in an annular shape, and an electric heating plate is provided inside the groove. The shape of the electric heating plate is adapted to the groove. The gas collecting bottle is located inside the fixing ring, and the diameter of the gas collecting bottle is smaller than the diameter of the fixing ring.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This utility model is equipped with a scanner, an electric heating plate, a motor, a screw, and other structures. Before drying and vacuuming the gas cylinder, the scanner detects cracks in the gas cylinder. If the gas cylinder is confirmed to be free of cracks, the drying and vacuuming process can then proceed. During the heating and drying process using the electric heating plate, the scanner can monitor the health status of the gas cylinder in real time. If cracks appear, they can be detected in time to avoid safety accidents and improve the safety performance of the device.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This utility model provides an overall structural schematic diagram of its embodiments;

[0018] Figure 2 A schematic diagram of the internal structure of the box provided for an embodiment of this utility model;

[0019] Figure 3 A structural schematic diagram of the interior of the box from another perspective, provided for an embodiment of this utility model;

[0020] Figure 4 A schematic diagram of the structure of the fixing ring provided for an embodiment of this utility model.

[0021] In the diagram: 10, housing; 20, vacuum device; 2001, vacuum tube; 2002, connecting tube; 2003, annular tube; 2004, connector; 2005, electric push rod; 30, support plate; 40, base; 4001, limiting groove; 4002, gas collecting bottle; 4003, motor; 4004, screw; 4005, guide rod; 4006, connector; 4007, fixing ring; 4008, groove; 4009, heating plate; 4010, scanner. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-4 This utility model provides a technical solution: a drying and evacuation device for ultra-high purity gas cylinders, including a housing 10, a vacuuming component and an auxiliary component on the housing 10, the vacuuming component including a vacuuming device 20 on one side of the housing 10, a plurality of vacuuming tubes 2001 on the vacuuming device 20, the vacuuming tubes 2001 being flexible tubes, and a plurality of connectors 2004 on one end of the vacuuming tubes 2001.

[0025] Preferably, the auxiliary components include a motor 4003 disposed inside the housing 10, a screw 4004 disposed on the motor 4003, multiple guide rods 4005 disposed inside the housing 10, and multiple fixing rings 4007 disposed inside the housing 10. When the motor 4003 is started, it drives the screw 4004 to rotate. During the rotation of the screw 4004, the fixing rings 4007 move up and down. During this process, the guide rods 4005 play a supporting and limiting role to prevent the fixing rings 4007 from rotating with the screw 4004. Multiple heating plates 4009 disposed on the fixing rings 4007 and a scanner 4010 disposed on the heating plates 4009. The scanner 4010 is a high-temperature infrared scanner 4010, and the scanner 4010 is electrically connected to an external computer. The image information scanned by the scanner 4010 can be transmitted to the computer for display. The transmission imaging technology between the computer and the scanner 4010 is existing technology and will not be described in detail in this technical solution.

[0026] Preferably, one end of the vacuum tube 2001 is provided with multiple connecting tubes 2002, and an annular tube 2003 is provided between two adjacent connecting tubes 2002. The number of connecting tubes 2002 is one more than the number of annular tubes 2003. The arrangement of the annular tubes 2003 can avoid motion interference with the guide rod 4005 or the screw 4004.

[0027] Preferably, the top of the housing 10 is provided with two support plates 30, which are arranged symmetrically on the left and right. An electric push rod 2005 is provided on the support plate 30. The output end of the electric push rod 2005 is fixed to the connecting pipe 2002. The electric push rod 2005 can drive the connecting pipe 2002 to move up and down, so that the connector 2004 can move up and down to facilitate vacuuming.

[0028] Preferably, the housing 10 has a base 40 inside, and the base 40 has multiple limiting grooves 4001. A gas collecting bottle 4002 is placed in the limiting groove 4001. The limiting groove 4001 can improve the stability of the gas collecting bottle 4002 during placement. The gas collecting bottle 4002 and the limiting groove 4001 are fitted with a clearance. The connector 2004 is located directly above the gas collecting bottle 4002. When vacuuming, the vacuuming device 20 is activated, and the electric push rod 2005 drives the connector 2004 to move closer to the gas collecting bottle 4002 and fixes the connector 2004 to the gas collecting bottle 4002. Then, the vacuuming device 20 can be used to vacuum the gas collecting bottle 4002. After vacuuming, the gas collecting bottle 4002 can be used to hold ultra-high purity gas.

[0029] Preferably, both the guide rod 4005 and the screw 4004 are provided with connecting parts 4006, and the fixing ring 4007 is located between two adjacent connecting parts 4006. The intermediate connecting part 4006 has a screw hole, and the screw 4004 is threaded into the screw hole. During the forward and reverse rotation of the screw 4004, the intermediate connecting part 4006 moves up and down, which in turn drives the fixing ring 4007 to move up and down, realizing the scanning process of the gas collecting bottle 4002. During the up and down movement of the fixing ring 4007, the scanner 4010 scans the gas collecting bottle 4002 and transmits the signal to the computer to form an image. If a crack is found during the vacuuming or drying process or before the operation, the operation will stop, which can avoid the gas collecting bottle 4002 from exploding and reduce the risk during the operation.

[0030] Preferably, the guide rod 4005 has a guide hole on the connector 4006, the guide rod 4005 is slidably connected to the guide hole, and the two ends of the guide rod 4005 are respectively disposed between the base 40 and the housing 10.

[0031] Preferably, a groove 4008 is provided on the fixing ring 4007. The groove 4008 is annular in design, and an electric heating plate 4009 is provided inside the groove 4008. The shape of the electric heating plate 4009 is adapted to the groove 4008. The gas collecting bottle 4002 is located inside the fixing ring 4007, and the diameter of the gas collecting bottle 4002 is smaller than the diameter of the fixing ring 4007. During the up-and-down movement of the fixing ring 4007, the scanner 4010 scans and monitors the cracks in the gas collecting bottle 4002. At the same time, the electric heating plate 4009 heats the gas collecting bottle 4002 to dry it. During the drying process, the door of the chamber 10 is closed to improve the drying effect and prevent residual moisture inside the gas collecting bottle 4002 from affecting the purity of the ultra-high purity gas to be contained later.

[0032] Specifically, the working principle of this ultra-high purity gas cylinder drying and evacuation device is as follows:

[0033] In use, first place the gas collecting bottle 4002 in the limiting groove 4001 on the base 40. Then, start the electric push rod 2005 to move the connector 2004 closer to the gas collecting bottle 4002 and fix the connector 2004 to the bottle opening of the gas collecting bottle 4002. Then, start the motor 4003 to drive the screw 4004 to rotate. During the rotation of the screw 4004, the fixing ring 4007 moves up and down. During the up and down movement of the fixing ring 4007, the scanner 4010 starts working and detects cracks in the body of the gas collecting bottle 4002 to confirm that the body of the gas collecting bottle 4002 is free of cracks. After a crack appears, the vacuum pump 20 and the heating plate 4009 are activated. At this time, the vacuum pump 20 evacuates the gas collecting bottle 4002 through the connecting pipe 2002. During this process, the fixing ring 4007 continues to move up and down, and the heating plate 4009 heats the gas collecting bottle 4002 during the movement to dry it. During the drying and vacuuming process, the scanner 4010 can monitor the crack in the gas collecting bottle 4002 in real time. If a crack is found in the gas collecting bottle 4002 during the operation, the operation will be stopped immediately to effectively avoid the possibility of an explosion and improve the safety of the operation.

[0034] It should be noted that the specific models and specifications of the vacuum device 20, connecting pipe 2002, electric push rod 2005, gas collecting bottle 4002, motor 4003, heating plate 4009, and scanner 4010 need to be selected and determined according to the actual specifications of the device. The specific selection and calculation method adopts the existing technology in this field, so it will not be described in detail.

[0035] The power supply and operating principles of the vacuum pumping device 20, electric push rod 2005, motor 4003, heating plate 4009, and scanner 4010 are clear to those skilled in the art and will not be described in detail here.

[0036] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An ultra-high purity gas cylinder drying and evacuating device comprising a box (10), characterized in that: The housing (10) is provided with a vacuum assembly and an auxiliary assembly. The vacuum assembly includes a vacuum device (20) on one side of the housing (10). The vacuum device (20) is provided with a plurality of vacuum tubes (2001). The vacuum tubes (2001) are flexible tubes. One end of the vacuum tubes (2001) is provided with a plurality of connectors (2004). The auxiliary assembly includes a motor (4003) inside the housing (10), a screw (4004) on the motor (4003), a plurality of guide rods (4005) inside the housing (10), a plurality of fixing rings (4007) inside the housing (10), a plurality of heating plates (4009) on the fixing rings (4007), and a scanner (4010) on the heating plates (4009).

2. The device according to claim 1, wherein, One end of the vacuum tube (2001) is provided with multiple connecting tubes (2002), and an annular tube (2003) is provided between two adjacent connecting tubes (2002). The number of connecting tubes (2002) is one more than the number of annular tubes (2003).

3. The device according to claim 2, wherein the device is characterized by: The top of the box (10) is provided with two support plates (30), which are arranged symmetrically on the left and right. An electric push rod (2005) is provided on the support plate (30), and the output end of the electric push rod (2005) is fixed to the connecting pipe (2002) box.

4. The device according to claim 1, wherein, The box (10) is provided with a base (40) inside, and a plurality of limiting grooves (4001) are provided on the base (40). A gas collecting bottle (4002) is provided in the limiting groove (4001), and the connector (2004) is located directly above the gas collecting bottle (4002).

5. The device according to claim 4, wherein the device is characterized by: Both the guide rod (4005) and the screw (4004) are provided with connecting parts (4006), and the fixing ring (4007) is provided between two adjacent connecting parts (4006). The middle connecting part (4006) is provided with a screw hole, and the screw (4004) is threadedly engaged with the screw hole.

6. The device according to claim 5, wherein the device is characterized by: The guide rod (4005) has a guide hole on the connector (4006), the guide rod (4005) is slidably connected to the guide hole, and the two ends of the guide rod (4005) are respectively disposed between the base (40) and the box (10).

7. The device according to claim 5, wherein the device is characterized by: The fixing ring (4007) has a groove (4008) with an annular design. An electric heating plate (4009) is provided inside the groove (4008). The shape of the electric heating plate (4009) is adapted to the groove (4008). The gas collecting bottle (4002) is located inside the fixing ring (4007) and the diameter of the gas collecting bottle (4002) is smaller than the diameter of the fixing ring (4007).

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