A cryogenic stage material closed-loop transfer glove box

Abstract

The utility model relates to a kind of deep cold grade material closed loop transfer glove box, belong to transfer glove box technical field, including receiving cabin, operating room and discharge cabin, the receiving cabin is communicated with operating room by being equipped with first check valve, the discharge cabin is communicated with operating room by being equipped with and second check valve, the receiving cabin is provided with feed inlet, solenoid valve is installed at the feed inlet, the bottom of receiving cabin and discharge cabin is equipped with vacuum port, two the vacuum port one end is commonly connected with vacuum pipe, the other end of the vacuum pipe is communicated with vacuum pump, receiving cabin is communicated with operating room by first check valve, discharge cabin is communicated with operating room by second check valve, and strict closed loop transfer path is formed, this design can effectively prevent the reverse flow of gas, impurities etc. between each cabin, greatly reduce the risk of material being contaminated.

Description

Technical Field

[0001] This utility model belongs to the technical field of transfer glove boxes, specifically relating to a cryogenic material closed-loop transfer glove box. Background Technology

[0002] In high-end manufacturing fields such as aerospace, semiconductors, and biomedicine, cryogenic materials (such as low-temperature superconducting materials, special rare gases, and high-precision optical components) often require transshipment. These materials have extremely high purity requirements and are highly sensitive to the environment. If they come into contact with outside air during transshipment, they are easily oxidized, contaminated, or degraded due to factors such as oxygen, water vapor, and impurities. This can not only lead to material scrap but also affect the quality and safety of subsequent production processes, causing huge economic losses.

[0003] Existing compartment connections lack effective unidirectional isolation designs. The compartments for receiving, operating, and discharging materials are often directly connected or controlled by simple valves, which can easily lead to cross-flow of gases between different compartments. This can disrupt the inert gas protective atmosphere, allowing outside air or impurities to enter the material storage area and cause material contamination. Therefore, those skilled in the art have provided a cryogenic material closed-loop transfer glove box to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a cryogenic material closed-loop transfer glove box with a simple structure and reasonable design in order to solve the above problems.

[0005] This utility model achieves the above-mentioned objectives through the following technical solution: it includes a receiving chamber, an operating chamber, and a discharging chamber. The receiving chamber is connected to the operating chamber via a first one-way valve, and the discharging chamber is connected to the operating chamber via a second one-way valve. The receiving chamber is provided with a feed inlet, and a solenoid valve is installed at the feed inlet. Both the receiving chamber and the discharging chamber have vacuum ports at their bottoms. One end of each of the two vacuum ports is connected to a vacuum tube, and the other end of the vacuum tube is connected to a vacuum pump.

[0006] As a further optimization of this utility model, an inert gas inlet is provided on the discharge chamber, and the inert gas inlet is connected to the interior of the operating chamber through the discharge chamber. A glove operating port is provided on the operating chamber, and a sealed door is rotatably connected to the top of the operating chamber.

[0007] As a further optimization of this utility model, both the receiving chamber and the discharging chamber are equipped with material conveying platforms, the material conveying platforms are equipped with sealed storage tanks, and the operating room is equipped with a material loading platform.

[0008] As a further optimization of this utility model, the receiving chamber is equipped with a first pressure gauge, the operating chamber is equipped with a second pressure gauge, and the discharging chamber is equipped with a third pressure gauge. The first pressure gauge, the second pressure gauge, and the third pressure gauge are respectively connected to the control system via wiring. The control system is also electrically connected to the vacuum pump, inert gas valve, and drive device of each chamber and each sealed door, respectively. The receiving chamber is also equipped with a first air pressure safety valve, and the discharging chamber is equipped with a second air pressure safety valve.

[0009] As a further optimization of this utility model, the operating room is also equipped with an oxygen analyzer and a temperature and humidity transmitter. The oxygen analyzer and the temperature and humidity transmitter are connected to the control system via wiring. An LED light is installed in the operating room, and the LED light is electrically connected to the control system.

[0010] As a further optimization of this utility model, it also includes a touch control panel, which is connected to the control system. The control system is integrated into the electrical control box, which is electrically connected to the intelligent controller. The intelligent controller is connected to the control terminal of each device.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. In this utility model, the receiving chamber is connected to the operating chamber through a first one-way valve, and the discharging chamber is connected to the operating chamber through a second one-way valve, forming a strict closed-loop transfer path. This design can effectively prevent the reverse flow of gas, impurities, etc. between the chambers, greatly reducing the risk of material contamination. It is especially suitable for the transfer of cryogenic materials with extremely high purity requirements.

[0013] 2. In this utility model, the receiving chamber is equipped with a first air pressure safety valve and the discharging chamber is equipped with a second air pressure safety valve. When the pressure inside the chamber exceeds the safety value, the safety valve will automatically release pressure, effectively avoiding safety problems such as equipment damage or material leakage caused by excessive pressure. In addition, the pressure gauges (first pressure gauge, second pressure gauge, and third pressure gauge) in each chamber can monitor the pressure in real time, providing operators with accurate pressure information and further ensuring operational safety.

[0014] 3. The independent receiving and discharging chambers of this utility model ensure that the material intake and output do not interfere with each other, avoid operational confusion, and improve work efficiency. The specially designed operating box provides operators with a spacious and flexible operating space, facilitating the loading, unloading, and transfer of materials. The quick-change interface design makes glove replacement more convenient and reduces equipment maintenance time.

[0015] 4. This utility model integrates multiple sensors and an intelligent control panel, which can monitor parameters such as temperature, humidity, oxygen concentration, and pressure inside the chamber in real time and achieve precise control. At the same time, the one-way valve and pressure-controlled sealing door between the receiving chamber and the operating room ensure safe one-way material transmission and prevent gas backflow and cross-contamination. The strict environmental matching and safety valve control of the discharge chamber ensure that the external environment does not affect the inside of the chamber when the material is discharged, providing a suitable environment for the storage, retrieval, and output of the material.

[0016] 5. In this utility model, each compartment is independently equipped with a vacuum pump interface, an inert gas inlet, and a safety valve. According to different processing requirements, the receiving compartment, the operating compartment, and the discharging compartment can be vacuumed and filled with inert gas separately to meet diverse low-temperature material processing requirements and improve the applicability of the equipment.

[0017] 6. This utility model features a specially designed operating chamber and a transparent tempered glass sealed door, facilitating observation of the interior; the LED lighting strip supports self-adjustment of brightness and color temperature to adapt to different operating scenarios; the elastic sealing ring made of special rubber material fits tightly against the arm, ensuring both sealing and improving operating comfort, effectively reducing operator fatigue. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall left-side structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall right-side structure of this utility model;

[0020] Figure 3 This is a front view structural diagram of the present invention;

[0021] Figure 4 This is a front view of the discharge chamber of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the discharge chamber of this utility model.

[0023] In the diagram: 1. Receiving chamber; 2. First pressure safety valve; 3. Solenoid valve; 4. Feed inlet; 5. First pressure gauge; 6. Vacuum pump; 7. Electrical control box; 8. Intelligent controller; 9. Control room; 10. First check valve; 11. Sealed storage tank; 12. Second pressure gauge; 13. Temperature and humidity transmitter; 14. Oxygen analyzer; 15. Third pressure gauge; 16. Second pressure safety valve; 17. Inert gas inlet; 18. Discharge chamber; 19. Second check valve; 20. Vacuum tube; 21. Vacuum port; 22. Material conveying platform; 23. Sealed door. Detailed Implementation

[0024] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0025] Example 1

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a cryogenic material closed-loop transfer glove box includes a receiving compartment 1, an operating chamber 9, and a discharging compartment 18. Both the receiving compartment 1 and the discharging compartment 18 adopt a double-layer sealing and transition chamber design, combined with silicone sealing rings, to achieve excellent sealing effect, effectively preventing outside air from entering the box and ensuring the stability of the internal environment. This meets the material handling and output requirements with stringent environmental conditions. The receiving compartment 1 is connected to the operating chamber 9 through a channel equipped with a first one-way valve 10, while the discharging compartment 18 is connected to the operating chamber 9 through a channel equipped with a second one-way valve 19. This connection method allows the three compartments to form a relatively independent yet interconnected closed-loop system. The receiving compartment 1 has an inlet 4, and a solenoid valve 3 is installed at the inlet 4 to control the entry of materials. At the same time, the receiving compartment 1 is also connected to a vacuum pump 6 and an inert gas inlet 17 through pipes. The vacuum pump 6 can perform vacuuming on the receiving compartment 1, and the inert gas inlet 17 can fill the receiving compartment 1 with inert gas.

[0027] like Figure 2 As shown, an inert gas inlet 17 is provided on the side of the operating chamber 9 and is connected to the interior of the operating chamber 9 through a pipe. This allows the operating chamber 9 to be vacuumed and filled with inert gas, just like the receiving chamber 1. In addition, the operating chamber 9 is also equipped with a glove operating port, which allows operators to handle materials without damaging the internal environment of the operating chamber 9.

[0028] like Figure 2 As shown, the discharge chamber 18 is also connected to a vacuum pump 6 and an inert gas inlet 17 via pipes to achieve vacuuming and inert gas filling of the discharge chamber 18. The discharge chamber 18 is equipped with a one-way valve for connecting to the outside world, which facilitates the removal of the processed material. Both the receiving chamber 1 and the discharge chamber 18 are equipped with material conveying platforms 22, on which sealed storage tanks 11 are placed. The operating room 9 is equipped with a material loading platform. These platforms are fixedly installed on the inner bottom surface of the corresponding chambers, providing stable support for the placement and transfer of materials.

[0029] like Figures 1-5As shown, a first pressure gauge 5 is installed on the receiving chamber 1, a second pressure gauge 12 is installed on the operating chamber 9, and a third pressure gauge 15 is installed on the discharging chamber 18. These three pressure gauges are connected to the control system via wiring to monitor the pressure of each chamber in real time. The control system is also electrically connected to the vacuum pump 6, inert gas valve, and drive device of each sealing door 23 in each chamber to realize automatic control of these devices. In addition, a first air pressure safety valve 2 is installed on the receiving chamber 1, and a second air pressure safety valve 16 is installed on the discharging chamber 18, which can automatically release pressure when the pressure in the chamber exceeds the set value to ensure equipment safety.

[0030] like Figure 1 , Figure 2 , Figure 3 As shown, the control room 9 is also equipped with an oxygen analyzer 14 and a temperature and humidity transmitter 13. They are connected to the control system via wiring and can monitor the oxygen concentration, temperature and humidity in the control room 9 in real time. The LED lights installed in the control room 9 are electrically connected to the control system and can be automatically turned on or off as needed.

[0031] like Figure 2 , Figure 4 As shown, the glove box also includes a touch control panel, which is connected to the control system. Operators can operate and monitor the equipment through it. The control system is integrated into the electrical control box 7, which is electrically connected to the intelligent controller 8. The intelligent controller 8 is connected to the control terminal of each device to realize intelligent control of the entire device. At the same time, the receiving chamber 1, the operating chamber 9, and the discharging chamber 18 are connected to the vacuum port 21 through the vacuum tube 20 to further ensure the effectiveness of the vacuuming operation.

[0032] like Figures 1-5 As shown, the closed-loop system formed by the three compartments connected by one-way valves effectively prevents materials from coming into contact with the external environment during transfer, avoiding contamination or changes in properties due to environmental factors. This is especially suitable for transferring cryogenic materials, which have extremely high environmental requirements. Secondly, each compartment can be evacuated and filled with inert gas. Combined with the setting of pressure gauges and safety valves, the pressure and gas environment inside the compartment can be precisely controlled, providing a stable and suitable transfer environment for the materials and ensuring that the performance of the materials is not affected. Furthermore, the setting of the material conveying platform 22 and the loading platform ensures the stability and convenience of material transfer, while the sealed storage tank 11 further strengthens the sealing protection of the materials. In addition, the connection of various monitoring instruments and control systems realizes real-time monitoring and automatic adjustment of the equipment's operating status and the internal environment, improving the automation level and operational safety of the equipment. Operators can easily operate and manage the equipment through the touch control panel. The application of the intelligent controller 8 makes the equipment operation more precise and efficient. The overall structural design is reasonable, and the components work together to achieve safe, efficient, and pollution-free closed-loop transfer of cryogenic materials.

[0033] It should be noted that when using this utility model: First, the material receiving stage is processed. The vacuum pump 6 connected to the material receiving chamber 1 is started, and the material receiving chamber 1 is evacuated through the vacuum tube 20 and vacuum port 21. Then, the valve of the inert gas inlet 17 is opened to fill the material receiving chamber 1 with inert gas. The first pressure gauge 5 on the material receiving chamber 1 monitors the pressure inside the chamber in real time to ensure that the pressure reaches the appropriate range. Next, the solenoid valve 3 at the feed inlet 4 is opened to put the material into the sealed storage tank 11 on the material conveying platform 22 inside the material receiving chamber 1. Then, the solenoid valve 3 is closed.

[0034] Once the material reaches a stable state in the receiving chamber 1, relevant signals are sent to the control system integrated in the electrical control box 7. At this time, the pressure on both sides of the first one-way valve 10 is detected. When the pressure on both sides is balanced, the control system controls the door between the receiving chamber 1 and the operating room 9 to open automatically, and at the same time, the LED lights in the operating room 9 are automatically turned on.

[0035] Before the material is transferred to the operating chamber 9, the operating chamber 9 can be evacuated and filled with inert gas through the inert gas inlet 17 on the side of the operating chamber 9 as needed. The second pressure gauge 12 on the operating chamber 9 will monitor the internal pressure in real time. At the same time, the vacuum pump 6 connected to the discharge chamber 18 will also evacuate the discharge chamber 18 and then fill it with inert gas. The third pressure gauge 15 on the discharge chamber 18 will monitor its internal pressure.

[0036] After the environmental tests of each compartment are qualified, the operator uses special rubber gloves through the glove operating port on the control room 9 to transfer the material in the sealed storage tank 11 on the material conveying platform 22 in the receiving compartment 1 to the material loading platform in the control room 9. Then, the one-way valve between the receiving compartment 1 and the control room 9 is closed, and the material is reloaded into the sealed storage tank 11.

[0037] When the second pressure gauge 12, oxygen analyzer 14, temperature and humidity transmitter 13 and other devices in the control chamber 9 detect that the environment of the control chamber 9 is consistent with that of the discharge chamber 18, the control system controls the door between the control chamber 9 and the discharge chamber 18 to open automatically. The operator places the sealed storage tank 11 containing the material on the material conveying platform 22 in the discharge chamber 18, then closes the door between the control chamber 9 and the discharge chamber 18, and manually opens the second air pressure safety valve 16 on the discharge chamber 18. When the pressure in the discharge chamber 18 is consistent with the external environment, the one-way valve of the discharge chamber 18 is opened, and the sealed storage tank 11 containing the material is taken out.

[0038] Throughout the process, operators can monitor parameters such as temperature, gas concentration, and pressure of the receiving chamber 1, operating chamber 9, and discharging chamber 18 in real time via a touch control panel. The intelligent controller 8 will automatically adjust each device according to the settings. Operators can also manually adjust the intelligent temperature control system and control devices such as the vacuum pump 6 and inert gas valves according to actual needs. At the same time, they can also perform user permission management, data query and analysis, and other operations. The first pressure safety valve 2 on the receiving chamber 1 and the second pressure safety valve 16 on the discharging chamber 18 will automatically release pressure when the pressure inside the chamber exceeds the safety value, ensuring the safe operation of the equipment.

[0039] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A cryogenic material closed-loop transfer glove box, characterized in that: The device includes a receiving chamber (1), an operating chamber (9), and a discharging chamber (18). The receiving chamber (1) is connected to the operating chamber (9) via a first one-way valve (10). The discharging chamber (18) is connected to the operating chamber (9) via a second one-way valve (19). The receiving chamber (1) is provided with a feed inlet (4). A solenoid valve (3) is installed at the feed inlet (4). Both the receiving chamber (1) and the discharging chamber (18) have vacuum ports (21) at their bottoms. One end of each of the two vacuum ports (21) is connected to a vacuum tube (20). The other end of the vacuum tube (20) is connected to a vacuum pump (6).

2. The cryogenic material closed-loop transfer glove box according to claim 1, characterized in that: An inert gas inlet (17) is provided on the discharge chamber (18), a glove operating port is provided on the operating chamber (9), and a sealing door (23) is rotatably connected to the top of the operating chamber (9).

3. The cryogenic material closed-loop transfer glove box according to claim 2, characterized in that: Both the receiving compartment (1) and the discharging compartment (18) are equipped with material conveying platforms (22), and the material conveying platforms (22) are equipped with sealed storage tanks (11). The operating room (9) is equipped with a material loading platform.

4. The cryogenic material closed-loop transfer glove box according to claim 3, characterized in that: The receiving chamber (1) is equipped with a first pressure gauge (5), the operating chamber (9) is equipped with a second pressure gauge (12), and the discharging chamber (18) is equipped with a third pressure gauge (15). The first pressure gauge (5), the second pressure gauge (12), and the third pressure gauge (15) are respectively connected to the control system via wiring. The control system is also electrically connected to the vacuum pump (6), inert gas valve, and drive device of each sealing door (23) in each chamber. The receiving chamber (1) is also equipped with a first air pressure safety valve (2), and the discharging chamber (18) is equipped with a second air pressure safety valve (16).

5. A cryogenic material closed-loop transfer glove box according to claim 4, characterized in that: The operating room (9) is equipped with an oxygen analyzer (14) and a temperature and humidity transmitter (13). The oxygen analyzer (14) and the temperature and humidity transmitter (13) are connected to the control system via a line. An LED light is installed in the operating room (9), and the LED light is electrically connected to the control system.

6. The cryogenic material closed-loop transfer glove box according to claim 5, characterized in that: It also includes a touch control panel, which is connected to the control system. The control system is integrated in the electrical control box (7). The side wall of the operating room (9) is equipped with an intelligent controller (8). The electrical control box (7) is electrically connected to the intelligent controller (8). The intelligent controller (8) is connected to the control terminal of each device.

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