Filtering device of medical center oxygen generation system

Abstract

The utility model discloses a filter device of a medical center oxygen generation system, which comprises a filter box, a filter screen is movably arranged on one side in the filter box, a filter membrane is movably arranged on one side of the filter screen, a storage grid is movably arranged on one side of the filter membrane, activated carbon is arranged on the inner side of the storage grid, and the activated carbon is arranged on the inner side of the storage grid. An air inlet pipe and an air outlet pipe are arranged on the surfaces of the two opposite sides of the filter box in a penetrating mode, connectors are arranged at the outer ends of the air inlet pipe and the air outlet pipe, heating cavities are formed in the inner sides of the connectors, and electric heating wires are arranged on the inner sides of the heating cavities. According to the filter device of the medical center oxygen generation system, large-particle impurities in oxygen can be preliminarily filtered through the filter screen, fine impurities in the oxygen are secondarily filtered through the filter membrane, harmful substances in the oxygen are disinfected and adsorbed through the activated carbon, and the oxygen generation efficiency is improved. By adopting multi-stage filtration, the purity of oxygen can be effectively improved, and the overall efficiency of the oxygen generation system is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nursing, in particular to a filtering device for a medical central oxygen production system. Background Art

[0002] The medical central oxygen production system can be simply understood as two systems: the oxygen production system and the oxygen supply system. The oxygen production system as the center can also be understood as the oxygen source. Laying oxygen supply pipelines and distributing oxygen to each bed means that the hospital can produce oxygen itself, which makes it much more convenient for the hospital to use. In addition, the medical central oxygen production system has become an essential trend for medical oxygen.

[0003] The existing medical central oxygen production system lacks effective filtering equipment, which makes oxygen easily contaminated during the manufacturing process, greatly affecting the purity of the oxygen. At the same time, the existing oxygen production system cannot be heated, resulting in lower temperatures in cold weather, affecting the oxygen production effect and oxygen delivery efficiency, and greatly reducing the safety of use. Utility Model Content

[0004] The purpose of the utility model is to provide a filtering device for a medical central oxygen production system, so as to solve the problem that the existing medical central oxygen production system mentioned in the above background technology lacks effective filtering equipment, which makes oxygen easily contaminated during the manufacturing process, greatly affecting the purity of oxygen production, and at the same time, the existing oxygen production system cannot be heated, resulting in a low temperature in cold weather, affecting the oxygen production effect and oxygen delivery efficiency, and greatly reducing the safety of use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filtering device for a medical central oxygen production system, comprising a filter box, a filter screen is movably provided on one side of the interior of the filter box, a filter membrane is movably provided on one side of the filter screen, a storage grille is movably provided on one side of the filter membrane, activated carbon is provided on the inner side of the storage grille, an air inlet pipe and an air outlet pipe are respectively penetrated on two opposite side surfaces of the filter box, connectors are provided at the outer ends of the air inlet pipe and the air outlet pipe, a heating chamber is provided on the inner side of the connector, and a heating wire is provided on the inner side of the heating chamber.

[0006] Preferably, one end of the filter membrane, filter screen and storage grid are all provided with a pull-out sealing plate, the outer side of the pull-out sealing plate is provided with a pull ring, and a pull-out opening is provided on one side surface of the filter box at the position corresponding to the pull-out sealing plate.

[0007] Preferably, a sealing gasket is arranged around the outer edge surface of the pull-out sealing plate, and the sealing gasket is made of rubber.

[0008] Preferably, bearings are provided at the joints of the air inlet pipe, the air outlet pipe and the connector, the inner ring wall of the bearing is sleeved with the outer surface of the air inlet pipe and the air outlet pipe, and the outer ring surface of the bearing is sleeved with the inner wall of the connector.

[0009] Preferably, an end cover is provided on the outer surface of the heating chamber, connecting screw holes are provided on the corresponding surfaces of the end cover and the connecting head, and connecting studs are provided through the inner sides of the connecting screw holes.

[0010] Preferably, the inner surface of the connector is surrounded by a locking thread, and the filter membrane, the filter screen and the storage grid are arranged at equal distances laterally along the inner wall of the filter box.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The filtering device of the medical central oxygen production system can perform preliminary filtration of large particle impurities in oxygen through the filter net during daily use, and then perform secondary filtration of fine impurities in oxygen through the filter membrane, and sterilize and adsorb harmful substances in oxygen through activated carbon. The use of multi-stage filtration can effectively improve the purity of oxygen, greatly improving the overall efficiency of the oxygen production system.

[0013] The filtering device of the medical central oxygen production system can heat oxygen through the provided heating wire and heating chamber during daily use. When encountering cold weather or low temperature environment, it can keep the oxygen delivery pipeline warm to avoid the low temperature affecting the oxygen delivery and production effect, and effectively improve the safety and reliability of oxygen production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 This is the internal structure diagram of the filter box of the utility model;

[0016] Figure 3 This is the internal structure diagram of the connector of the utility model;

[0017] Figure 4 This is a partial diagram of the connection between the connector and the air inlet pipe and the air outlet pipe of the utility model;

[0018] Figure 5 It is a side view of the connector part of the utility model.

[0019] In the figure: 1. Connector; 2. Exhaust pipe; 3. Pull-out sealing plate; 4. Pull ring; 5. Sealing gasket; 6. Filter box; 7. Inlet pipe; 8. Storage grille; 9. Activated carbon; 10. Filter membrane; 11. Filter net; 12. Heating chamber; 13. Heating wire; 14. Connecting stud; 15. End cover; 16. Connecting screw hole; 17. Bearing; 18. Pull-out opening. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution: a filtering device for a medical central oxygen production system, comprising a filter box 6, a filter screen 11 is movably provided on one side of the interior of the filter box 6, a filter membrane 10 is movably provided on one side of the filter screen 11, a storage grille 8 is movably provided on one side of the filter membrane 10, and activated carbon 9 is provided on the inner side of the storage grille 8. When the prepared oxygen passes through the interior of the filter box 6, large particles of impurities in the oxygen can be initially filtered through the filter screen 11, and then the fine impurities in the oxygen can be secondary filtered through the filter membrane 10, and harmful substances in the oxygen can be disinfected and adsorbed out by the activated carbon 9. By adopting multi-stage filtration, the purity of oxygen can be effectively improved, and the overall efficiency of the oxygen production system can be greatly improved. The opposite side surfaces of the filter box 6 are respectively penetrated with an air inlet pipe 7 and an air outlet pipe 2, and the outer ends of the air inlet pipe 7 and the air outlet pipe 2 are both provided with a connector 1, and the connector 1 A heating chamber 12 is provided on the inner side, and an electric heating wire 13 is provided on the inner side of the heating chamber 12. The electric heating wire 13 and the heating chamber 12 can heat the oxygen. When encountering cold weather or a low temperature environment, the oxygen delivery pipeline can be kept warm to prevent low temperature from affecting oxygen delivery and production effects, thereby effectively improving the safety and reliability of oxygen production. A pull-out sealing plate 3 is provided on one end of the filter membrane 10, the filter screen 11 and the storage grille 8. A pull ring 4 is provided on the outer side of the pull-out sealing plate 3 to seal and block the filter box 6 in real time to prevent the inside and outside of the filter box 6 from penetrating and affecting the filtering effect. A pull-out opening 18 is provided on one side surface of the filter box 6 corresponding to the position of the pull-out sealing plate 3, so that the filter membrane 10, the filter screen 11 and the storage grille 8 can be easily pulled out in real time, so that the filter membrane 10, the filter screen 11 and the storage grille 8 can be replaced and cleaned conveniently.

[0022] A sealing gasket 5 is arranged around the outer edge surface of the pull-out sealing plate 3, and the sealing gasket 5 is made of rubber, which can increase the sealing performance of the inside of the filter box 6 and prevent external dust particles from entering the inside and affecting the filtering effect. A bearing 17 is arranged at the joint of the air inlet pipe 7 and the air outlet pipe 2 with the connector 1. The inner ring wall of the bearing 17 is sleeved with the outer surface of the air inlet pipe 7 and the air outlet pipe 2, so that the connector 1 and the oxygen delivery pipeline can be conveniently screwed in real time for thread tightening to prevent the fixed connection from being stuck. The outer ring surface of the bearing 17 is sleeved with the inner wall of the connector 1. An end cover 15 is arranged on the outer surface of the heating chamber 12, which can seal the heating chamber 12 in real time to prevent external impurities and dust from entering and affecting the interior. When the device is running, the corresponding surfaces of the end cover 15 and the connector 1 are provided with connecting screw holes 16, and the inner sides of the connecting screw holes 16 are penetrated by connecting studs 14, which can be conveniently disassembled and opened in real time for maintenance and repair of the internal devices. The inner surface of the connector 1 is surrounded by locking threads, which can lock the connector 1 and the oxygen delivery system pipeline to increase the friction between them and avoid automatic falling off during long-term use. The filter membrane 10, the filter screen 11 and the storage grid 8 are arranged at equal distances along the inner wall of the filter box 6, and the impurities and harmful substances in the oxygen can be filtered step by step according to the coarse and fine arrangement order, so that the oxygen purity is higher.

[0023] Working principle: When it is necessary to carry out oxygen production in the medical center, the ports of the air inlet pipe 7 and the air outlet pipe 2 can be first connected and fixed to the oxygen production system pipeline through the connector 1, so that the prepared oxygen can flow into the filter box 6. When the prepared oxygen passes through the filter box 6, the large particles of impurities in the oxygen can be initially filtered through the filter net 11, and then the fine impurities in the oxygen can be secondary filtered through the filter membrane 10. The harmful substances in the oxygen are disinfected and adsorbed out by the activated carbon 9. The use of multi-stage filtration can effectively improve the purity of oxygen, greatly improving the overall efficiency of the oxygen production system. At the same time, the electric heating wire 13 and the heating chamber 12 can heat the oxygen. When encountering cold weather or low temperature environment, the oxygen delivery pipeline can be insulated to avoid the low temperature affecting the oxygen delivery and production effect, effectively improving the safety and reliability of oxygen production.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering device for a medical central oxygen production system, comprising a filter box (6), characterized in that: A filter screen (11) is movably provided on one side of the interior of the filter box (6), a filter membrane (10) is movably provided on one side of the filter screen (11), a storage grille (8) is movably provided on one side of the filter membrane (10), activated carbon (9) is provided on the inner side of the storage grille (8), an air inlet pipe (7) and an air outlet pipe (2) are respectively provided through the two opposite sides of the filter box (6), the outer ends of the air inlet pipe (7) and the air outlet pipe (2) are both provided with connectors (1), a heating chamber (12) is provided on the inner side of the connector (1), and a heating wire (13) is provided on the inner side of the heating chamber (12).

2. The filtering device of a medical central oxygen production system according to claim 1, characterized in that: The filter membrane (10), the filter screen (11) and one end of the storage grid (8) are all provided with a pull-out sealing plate (3), the outer side of the pull-out sealing plate (3) is provided with a pull ring (4), and a pull-out opening (18) is provided on one side surface of the filter box (6) at a position corresponding to the pull-out sealing plate (3).

3. The filtering device of a medical central oxygen production system according to claim 2, characterized in that: A sealing gasket (5) is arranged around the outer edge surface of the drawable sealing plate (3), and the sealing gasket (5) is made of rubber.

4. The filtering device of a medical central oxygen production system according to claim 1, characterized in that: A bearing (17) is provided at the joints between the air inlet pipe (7) and the air outlet pipe (2) and the connector (1); the inner ring wall of the bearing (17) is sleeved with the outer surface of the air inlet pipe (7) and the air outlet pipe (2), and the outer ring surface of the bearing (17) is sleeved with the inner wall of the connector (1).

5. The filtering device of a medical central oxygen production system according to claim 1, characterized in that: The outer surface of the heating chamber (12) is provided with an end cover (15), and the corresponding surfaces of the end cover (15) and the connector (1) are provided with connecting screw holes (16), and the inner sides of the connecting screw holes (16) are provided with connecting studs (14) extending therethrough.

6. The filtering device of a medical central oxygen production system according to claim 1, characterized in that: The inner surface of the connector (1) is surrounded by a locking thread, and the filter membrane (10), the filter screen (11) and the storage grid (8) are arranged at equal distances laterally along the inner wall of the filter box (6).

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