CN111374379B

CN111374379B - Oxygen generation system and protective clothing applying same

Info

Publication number: CN111374379B
Application number: CN202010283360.2A
Authority: CN
Inventors: 杨文增; 杨永安
Original assignee: AFFILIATED HOSPITAL OF HEBEI UNIVERSITY
Current assignee: AFFILIATED HOSPITAL OF HEBEI UNIVERSITY
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-11-19
Anticipated expiration: 2040-04-02
Also published as: CN111374379A

Abstract

The oxygen generation system is small in size, low in weight and convenient to carry because no additional pipeline or power supply system is needed. Because this system oxygen system can adjust the relative position of reacting chamber in the casing through control knob to the intensity of chemical oxygen generation reaction between the control system oxygen satisfies medical personnel to the demand of the big or small adjustment of the supply of oxygen from this. The protective clothing using the oxygen generation system can completely isolate external pollutants, and has an obvious protective effect. Because this system oxygen system adopts the connected mode of union to be convenient for change system oxygen system with the protective clothing, the medical personnel who dress the protective clothing can last work for a long time. The magic tape is used between the protective clothing and the oxygen generation system, so that the connection strength of the oxygen generation system and the protective clothing is ensured, and the oxygen generation system is convenient to replace from the protective clothing. Thereby meeting the requirements of medical staff in actual work.

Description

Oxygen generation system and protective clothing applying same

Technical Field

The invention relates to the technical field of medical treatment, in particular to an oxygen generation system and a protective suit applying the system.

Background

The protective clothing types include fire-fighting protective clothing, industrial protective clothing, medical protective clothing, military protective clothing and protective clothing used by special people. At present, in order to meet the needs of the prevention and treatment work of viral infectious diseases, the air tightness requirement of the medical protective clothing is higher. The protective clothing and the protective mask in the prior art only filter the outside air, are not completely isolated from the outside, and have certain potential safety hazards.

A totally enclosed type oxygen supply isolation protective clothing with publication number CN2629754Y comprises a hat, a coat, trousers and shoes (shoe covers), wherein all parts are connected in a sealing way; the respirator is provided with an air inlet pipe and an air outlet pipe. The technical proposal can achieve the design purpose of fundamentally isolating the wearer from the harmful environment. But in order to provide the necessary oxygen to the wearer, the approach is to use a conduit to deliver the oxygen. The range of motion of the wearer is very limited due to the restriction of the conduit and cannot meet the needs of the medical staff in the actual work. In the prior art, the oxygen vertical oxygen generation equipment uses sodium percarbonate and manganese dioxide as raw materials to prepare oxygen, oxygen can be continuously prepared by adding an oxygen generating agent into the oxygen generation equipment, and the oxygen generation equipment is of a desk structure, is suitable for being continuously used by oxygen inhalation at a fixed position of a user, and cannot meet the requirement of carrying the user.

Aiming at the problems in the prior art, the oxygen supply equipment arranged on the protective clothing can provide oxygen for a wearer within a certain time, and the oxygen generation system for replacing the oxygen generation equipment and the protective clothing using the system are needed most urgently under the condition that the protective clothing is not detached.

Disclosure of Invention

In order to achieve the aim, the invention provides an oxygen generation system which can be carried about or arranged on protective clothing, can adjust the oxygen generation amount according to the needs and is convenient to replace after an oxygen generation agent is consumed, and the protective clothing using the system.

The invention relates to an oxygen generation system which is characterized by comprising a shell, a reaction chamber, a gas pipe, a transmission mechanism for controlling the reaction chamber to move up and down in the shell, A, B two oxygen generation agents and water, wherein the shell is a closed container and is used for containing the water and the oxygen generation agent A, the shell is made of semitransparent or transparent materials andor the side surface of the shell is provided with an observation window made of semitransparent or transparent materials, and the shell is communicated with the outside through the gas pipe; the reaction chamber is a container which is arranged in the shell and is provided with a cavity communicated with the shell and is used for containing an oxygen producing agent B; the gas transmission pipe is a pipeline connecting the shell and the outside, and the tail end of the gas transmission pipe is provided with a connecting system; the reaction chamber moves downwards under the drive of the transmission mechanism, so that the oxygen producing agent B in the reaction chamber contacts with the water and the oxygen producing agent A in the shell and initiates an oxygen producing reaction to produce oxygen.

The transmission mechanism is composed of two parts, one part is a rotating part, and the other part is a sliding part; the rotating part comprises an adjusting button arranged outside the shell, a shaft is arranged below the adjusting button, a disc-shaped stopper is arranged in the middle of the shaft, the stopper is matched with the structure at the top of the shell to enable the shaft to only do rotating motion but not move up and down, an adjusting screw rod is arranged below the shaft, the adjusting screw rod is of a cylindrical structure, a thread structure is arranged on the outer side of the adjusting screw rod, the adjusting screw rod penetrates through the top and the bottom of the whole reaction chamber, and the top and the bottom of the reaction chamber, which are in contact with the adjusting screw rod, are provided with internal thread structures matched with the adjusting screw rod; the sliding part is composed of a guide groove arranged on the side surface of the reaction chamber and a guide post arranged in the shell and matched with the guide groove.

The connecting system is composed of a nut of the movable joint and a cloud head and is used for connecting a butt joint part of the movable joint arranged on the protective clothing.

The oxygen producing agent A is catalase, and the oxygen producing agent B is solid sodium percarbonate.

The protective suit is characterized in that the oxygen generation system is adopted, and the protective suit further comprises a hood, a coat, trousers, a butt joint part of a movable joint and a fixing part of the oxygen generation system; the butt joint part of the movable joint is arranged at a proper position of the protective clothing, and a filtering system or a one-way sealing system is arranged in the butt joint part.

The oxygen generation system fixing part is formed by magic tapes which are arranged at the corresponding positions of the protective clothing and the oxygen generation system close to the protective clothing.

The invention has the beneficial effects that:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention is further described below with reference to the accompanying drawings and the embodiments. It is obvious that the drawings described below are only a part of the embodiments of the invention, and that for a person skilled in the art, without inventive effort, other drawings can be derived from them, which are also within the scope of protection of the invention.

FIG. 1 is a schematic diagram of the oxygen production system of the present invention.

FIG. 2 is a schematic sectional view of an oxygen production system according to the present invention.

FIG. 3 is a schematic view of the internal structure of the oxygen production system of the present invention.

FIG. 4 is a schematic structural diagram of the oxygen generation system and the protective clothing linker of the invention.

FIG. 5 is a schematic structural diagram of an oxygen generation system of the invention, wherein the oxygen generation system is not installed in the protective clothing.

FIG. 6 is a schematic structural diagram of the protective clothing provided with the oxygen generation system.

The meaning of the reference symbols in the figures: 1-shell, 2-adjusting button, 3-connector, 4-gas pipe, 5-limiter, 6-adjusting screw, 7-reaction chamber, 8-guide groove, 9-guide post, 10-hole, 11-shaft, 12-butt screw, 13-fixing piece, 14-fixing piece, 15-head cover, 16-coat, 17-trousers and 18-magic tape.

Detailed Description

The invention is further explained with reference to the accompanying drawings and examples, as shown in fig. 1, fig. 2 and fig. 3, the oxygen generating system of the invention has a structure schematic diagram, the casing 1 is a closed container, the magic tape 18 for fixing the casing 1 and the protective clothing is arranged below the outside of the casing 1, one side of the upper end of the casing 1 is provided with a gas pipe 4, the tail end of the gas pipe 4 is provided with a connector 3 for connecting an external pipeline or a protective clothing interface, the outer side of the thread in the connector 3 is a nut part of a movable joint formed by a hexagonal structure, and the connector can freely rotate under the limitation of a lug boss at the tail end of the gas pipe 4, namely a cloud head part of the movable joint, so as to connect the gas pipe 4 with a butt joint part of the movable joint formed by the external pipeline or the protective clothing interface and keep sealing, and facilitate the replacement of the whole oxygen generating system. The adjusting button 2 is arranged at the top end of the shell 1 and is used for adjusting the gas transmission amount of the oxygen generation system. The stopper 5 is arranged below the adjusting button 2, the stopper 5 is of a disc shape, and the adjusting button 2 can only rotate along the horizontal direction at the top end of the shell 1 by combining the structure at the top of the shell 1. The middle of the limiter 5 is provided with a shaft 11, and the upper end of the shaft 11 is connected with the lower end of the adjusting button 2 and is fixedly connected with an adjusting screw rod 6. A reaction chamber 7 is arranged in the middle of the adjusting screw 6, and internal thread structures matched with the adjusting screw 6 are arranged at the central positions of two end covers at the top and the bottom of the reaction chamber 7. As shown in fig. 3, two guide grooves 8 are respectively provided on the left and right sides of the reaction chamber 7, and the guide grooves 8 are used in cooperation with guide posts 9 provided at the top and bottom of the housing 1, so that the reaction chamber 7 is moved up and down along the guide posts 9 by a screw and bolt structure under the control of the adjusting knob 2. A plurality of holes 10 are arranged on the side wall of the reaction chamber 7 and the upper end cover and the lower end cover.

Fig. 4 shows the interface system of the protective suit, which is composed of a butt screw 12, a fixing piece 13 and a fixing piece 14. A circular opening window with the diameter smaller than that of the fixing piece is reserved in the production process of the protective clothing, the double-layer structure formed by the fixing piece 13 and the fixing piece 14 is overlapped with the protective clothing fabric around the window, the two are fixedly connected by an ultrasonic welding technology, and the protective clothing interface system and the protective clothing are fixedly connected. The butt-jointed screw 12 is a butt-jointed part of a movable joint, in the embodiment, a hollow screw structure is adopted and is fixedly connected with the fixed plate 13, and a filtering or one-way sealing system is arranged inside the butt-jointed screw 12 to prevent the occurrence of possible leakage events when the oxygen generation system is replaced. The external thread structure of the butt joint screw 12 is matched with the internal thread of the connector 3 for use, and is used for connecting a sealed oxygen generation system and the protective clothing, and oxygen is conveyed from the oxygen generation system to the protective clothing through the hollow structure of the connecting screw 12.

Fig. 5 is a schematic view of the interface system disposed on the protective garment, wherein the goggles are sleeved in a window formed in the front surface of the hood 15, the goggles are transparent flexible plates, and the goggles are sleeved in the middle of the front surface of the hood 15. Below the hood 15 is a coat 16, below the coat 16 are trousers 17, which remain attached and sealed during use. The interface system is provided near the junction of the coat 16 and the pants 17 and includes butt screws 12 and securing

tabs

13, 14 for easy manipulation by the user.

Fig. 6 is a schematic structural diagram of the protective clothing with the oxygen generation system in a use state. The oxygen generation system is fixed to the flush screw 12 of the interface system of the protective suit by means of the threaded structure of the connector 3. During the use process, a user can adjust the size of the oxygen generation amount by rotating the adjusting button 2 arranged above the shell 1. In order to increase the fastness of being connected between system oxygen system and the protective clothing, set up multichannel magic subsides 18 in the position that system oxygen system is close to the protective clothing, will make oxygen system and protective clothing and pass through magic subsides 18 and be connected to together. The magic tape is also called as a magic tape or a squeak button, and is a common connecting auxiliary material on clothes, and the two sides of a molecular mother and a molecular mother are provided. The oxygen generation system and the protective clothing are connected together through the magic tape 18. When oxygen system is changed to needs, rotatory pine connector 3 makes oxygen system and the interface system separation of setting on the protective clothing earlier, then handheld oxygen system tears magic subsides 18 to thoroughly part oxygen system and protective clothing. When the installation need aim at interface system's connecting screw 12 with the connector 3 of system oxygen system earlier, utilize the helicitic texture swivelling joint ware 3 between the two to make connector 3 be connected fixedly with connecting screw 12 to utilize the magic subsides 18 of setting between the two to increase the fastness.

In the use process, attention is paid to the common chemical oxygen generation process, two oxygen generation agents are required to react with water to generate oxygen, the two oxygen generation agents are respectively an oxygen generation agent A and an oxygen generation agent B, the oxygen generation agent A and the water are firstly mixed and poured into the shell 1, the water level reaches about the half position in the shell 1, then the solid oxygen generation agent B is placed in the reaction chamber 7, the horizontal rotation motion of the adjusting button 2 is utilized to drive the adjusting screw rod 6 to rotate, and the reaction chamber 7 moves up and down in the shell 1 along the guide column 9. When the reaction chamber 7 moves downward below the water surface, the oxygen producing agent B placed in the reaction chamber 7 is brought into contact with the water and oxygen producing agent A placed in the interior of the housing 1 outside the reaction chamber 7 by the action of the holes 10 in the reaction chamber 7, so that a chemical reaction occurs to produce oxygen. The oxygen flows out of the reaction chamber 7 through the hole 10 and enters the shell 1, and then is conveyed into a pipeline fixedly connected with the connector 3 or the protective clothing through the gas conveying pipe 4, so as to provide oxygen for the wearer of the protective clothing. In this embodiment, the oxygen producing agent A is catalase, and the oxygen producing agent B is solid sodium percarbonate.

Claims

1. An oxygen generation system is characterized by comprising a shell, a reaction chamber, a gas pipe, a transmission mechanism for controlling the reaction chamber to move up and down in the shell, A, B oxygen generation agents and water, wherein the shell is a closed container and is used for containing the water and the oxygen generation agent A, the shell is made of semitransparent or transparent materials, and/or an observation window made of semitransparent or transparent materials is arranged on the side surface of the shell, and the shell is communicated with the outside through the gas pipe; the reaction chamber is a container which is arranged in the shell and is provided with a cavity communicated with the shell and is used for containing an oxygen producing agent B; the gas transmission pipe is a pipeline connecting the shell and the outside, and the tail end of the gas transmission pipe is provided with a connecting system; the transmission mechanism is composed of two parts, one part is a rotating part, and the other part is a sliding part; the rotating part comprises an adjusting button arranged outside the shell, a shaft is arranged below the adjusting button, a disc-shaped stopper is arranged in the middle of the shaft, the stopper is matched with the structure at the top of the shell to enable the shaft to only do rotating motion but not move up and down, an adjusting screw rod is arranged below the shaft, the adjusting screw rod is of a cylindrical structure, a thread structure is arranged on the outer side of the adjusting screw rod, the adjusting screw rod penetrates through the top and the bottom of the whole reaction chamber, and the top and the bottom of the reaction chamber, which are in contact with the adjusting screw rod, are provided with internal thread structures matched with the adjusting screw rod; the sliding part consists of a guide groove arranged on the side surface of the reaction chamber and a guide post arranged in the shell and matched with the guide groove; the oxygen producing agent A is catalase, and the oxygen producing agent B is solid sodium percarbonate.

2. An oxygen production system according to claim 1, wherein said connection system is comprised of a union nut and a cloud.

3. A protective suit characterized by being connected with the oxygen generation system of claim 1, the protective suit further comprising a hood, a coat, trousers, a butt joint part of a movable joint and a fixing part of the oxygen generation system; the butt joint part of the movable joint is arranged at a proper position of the protective clothing, and a filtering system or a one-way sealing system is arranged in the butt joint part.

4. The protective clothing according to claim 3, wherein the oxygen generation system fixing part is composed of a magic tape arranged on the protective clothing and a magic tape arranged at a position of the oxygen generation system close to the protective clothing.