CN216236036U - an oxygen system - Google Patents

Abstract

The utility model discloses an oxygen generation system, which comprises an oxygen generation unit, a controller and an oxygen concentration sensor, wherein a DC navigation jack and an AC navigation jack are arranged on the surface of the oxygen generation unit, an oxygen socket of the controller is connected with the oxygen concentration sensor, the oxygen generation unit consists of a square frame, a compressor, a molecular sieve, a gas mixing cylinder and a gas storage tank, the bottom of an inner cavity of the square frame is respectively and fixedly connected with the compressor and the molecular sieve, the output end of the compressor is connected with a filter, one end of the filter is connected with a first electromagnetic valve, and one end of the first electromagnetic valve is communicated with the molecular sieve, the multifunctional chair is widely applied to places for resting and recovering of people under plateau conditions.

Description

an oxygen system

technical field

The utility model relates to a system, in particular to an oxygen production system, which belongs to the technical field of oxygen production support.

Background technique

At present, the mainstream oxygen production methods include membrane separation oxygen production, molecular sieve oxygen production, and high-pressure oxygen cylinders. The main disadvantages of the traditional high-pressure oxygen cylinder oxygen production method are: the oxygen storage capacity is limited by the volume of the gas cylinder, the oxygen supply time is limited, and the oxygen supply cannot be continuously supplied; the ground supply is inconvenient, and there are potential safety hazards; far from the base, additional security and maintenance costs.

Both membrane separation oxygen production and molecular sieve oxygen production methods can continuously generate oxygen that meets the needs of the human body, and the oxygen supply time is long. The purity of oxygen separated by membrane can only be continuously adjusted from 35% to 50%, and the concentration of oxygen produced is low.

Molecular sieve oxygen generator uses molecular sieve as adsorbent and adopts the principle of down pressure swing adsorption to separate air to produce high-purity oxygen. The scheme of traditional molecular sieve + two-step cycle oxygen production process has low oxygen production efficiency due to its low molecular sieve nitrogen adsorption capacity, nitrogen and oxygen separation coefficient, and the traditional two-step cycle oxygen production process has no backflushing process, desorption, can not To ensure the performance of molecular sieve adsorption again.

Utility model content

The purpose of the present invention is to provide an oxygen making system to solve the problems raised in the above background technology.

In order to achieve the above-mentioned purpose, the present utility model provides the following technical solutions: an oxygen-generating system, comprising an oxygen-generating unit, a controller and an oxygen concentration sensor, and the surface of the oxygen-generating unit is installed with a DC air jack and an AC air jack, The DC air jack and the AC air jack are respectively connected with the socket of the controller, the oxygen socket of the controller is connected with the oxygen concentration sensor, and the oxygen generating unit is composed of a square frame, a compressor, a molecular sieve, a gas mixing cylinder and a storage tank. The bottom of the inner cavity of the square frame is fixedly connected with the compressor and the molecular sieve respectively, the output end of the compressor is connected with a filter, and one end of the filter is connected with a first solenoid valve, and the first solenoid valve is connected with the first solenoid valve. One end of the electromagnetic valve is communicated with the molecular sieve, one side of the square frame is fixedly installed with a shutter, the corner of one side of the square frame is installed with an oxygen outlet, and the oxygen outlet communicates with the gas storage tank through a pressure reducing valve , a second solenoid valve and a back pressure valve are installed at the corners of the square frame.

As a preferred technical solution of the present invention, the molecular sieve is composed of A molecular sieve bed and B molecular sieve bed, and the A molecular sieve bed and the B molecular sieve bed are controlled and connected by a second solenoid valve and a back pressure valve.

As a preferred technical solution of the present invention, a top sealing plate, a front sealing plate, a rear sealing plate and a left sealing plate are respectively installed on the top, front, back and one side of the square frame.

As a preferred technical solution of the present invention, one end of the molecular sieve is communicated with the gas storage tank, a radiator is installed on the top of the compressor, and a cooling fan is installed on the top of the radiator.

As a preferred technical solution of the present invention, the tops of the two sides of the square frame are respectively installed with lifting ears, and the bottoms of the two sides of the square frame are respectively installed with fixed bases.

As a preferred technical solution of the present invention, an emergency stop button, a switch button, a fault alarm button and a concentration alarm button are fixedly installed at the control panel of the controller.

As a preferred technical solution of the present invention, the oxygen concentration sensor is a limit current type zirconia oxygen sensor.

Compared with the prior art, the beneficial effects of the present utility model are:

1. An oxygen production system of the present utility model, the present utility model optimizes the molecular sieve material and oxygen production process flow, under the condition that the oxygen production amount is fixed, air consumption can be reduced, the oxygen production space can be effectively saved, and the oxygen production efficiency can be greatly improved , reduce the volume and weight of oxygen-generating components, ensure the miniaturization requirements of the device, and can adapt to the oxygen supply demand under harsh conditions. It is widely used in places for personnel rest and recovery under high altitude conditions. The self-checking function can collect fault signals according to the information of each sensor, judge whether each functional module in the system is normal, and upload the fault signals to facilitate fault inquiry and maintenance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation one of the oxygen generator unit of the present utility model;

Fig. 3 is the second structural schematic diagram of the oxygen generating unit of the present invention;

Fig. 4 is the structural representation one inside the oxygen generating unit of the present utility model;

FIG. 5 is a second schematic view of the structure inside the oxygen generating unit of the present invention.

In the picture: 1. Oxygen generator; 2. Controller; 3. Oxygen concentration sensor; 4. Square frame; 5. Front sealing plate; 6. Shutters; 7. Oxygen outlet; 8. DC air jack; 9. AC aviation jack; 10, rear sealing plate; 11, left sealing plate; 12, second solenoid valve; 13, compressor; 14, radiator; 15, air storage tank; 16, cooling fan; 17, filter; 18, molecular sieve; 19, back pressure valve; 20, first solenoid valve; 21, pressure reducing valve; 22, gas mixing cylinder.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-5, the utility model provides a technical scheme of an oxygen making system:

As shown in Figure 1-5, it includes oxygen generator unit 1, controller 2 and oxygen concentration sensor 3. The surface of oxygen generator unit 1 is equipped with DC air jacks 8 and AC air jacks 9, and DC air jacks 8 and AC The air jacks 9 are respectively connected with the sockets of the controller 2, and the oxygen sockets of the controller 2 are connected with the oxygen concentration sensor 3. The oxygen generating unit 1 is composed of a square frame 4, a compressor 13, a molecular sieve 18, a gas mixing cylinder 22 and a gas storage tank 15. The bottom of the inner cavity of the square frame 4 is fixedly connected with the compressor 13 and the molecular sieve 18 respectively, the output end of the compressor 13 is connected with the filter 17, and one end of the filter 17 is connected with the first solenoid valve 20, the first solenoid valve 20 One end is communicated with the molecular sieve 18, one side of the square frame 4 is fixedly installed with the shutter 6, the corner of the square frame 4 is installed with an oxygen outlet 7, and the oxygen outlet 7 is communicated with the gas storage tank 15 through the pressure reducing valve 21 , a second solenoid valve 12 and a back pressure valve 19 are installed at the corners of the square frame 4 .

1 and 2, the molecular sieve 18 is composed of A molecular sieve bed and B molecular sieve bed, the A molecular sieve bed and the B molecular sieve bed are controlled and connected through the second solenoid valve 12 and the back pressure valve 19, the top of the square frame 4, A top sealing plate, a front sealing plate 5, a rear sealing plate 10 and a left sealing plate 11 are respectively installed on the front, the back and one side. A cooling fan 16 is installed at the top of the radiator 14 , lifting ears are installed at the top of both sides of the square frame 4 , fixed bases are installed at the bottom of both sides of the square frame 4 , and an emergency stop button is fixedly installed at the control panel of the controller 2 . , switch button, fault alarm button and concentration alarm button, the oxygen concentration sensor 3 is a limit current type zirconia oxygen sensor.

When used specifically, the present invention is an oxygen making system. After the compressed air is filtered by the filter 17, it enters the A molecular sieve bed through the first solenoid valve 20. The pressure of the A molecular sieve bed increases, and N is absorbed by the _A molecular sieve bed, and no N is absorbed by the A molecular sieve bed. The absorbed O ₂ passes through the A molecular sieve bed and enters the interior of the gas storage tank 15. This process is called the A tower adsorption, which lasts for tens of seconds. The A tower adsorption ends, and the A molecular sieve bed and the B molecular sieve bed pass through the second solenoid valve 12 and back. The pressure valve 19 is connected to make the pressure of the two molecular sieve beds of A and B reach equilibrium. This process is called A→B pressure equalization. After 2 to 3 seconds, the pressure equalization ends, and then the compressed air enters the right molecular sieve bed, and the pressure of the B molecular sieve bed increases. , N ₂ is absorbed by the molecular sieve bed B, and the unabsorbed O ₂ passes through the molecular sieve bed B and enters the interior of the gas storage tank 15. This process is called tower B adsorption, which lasts for tens of seconds, and the adsorption of tower B ends. When tower A adsorption , through backflushing, the N ₂ adsorbed in the B molecular sieve bed is released into the atmosphere, this process is called B tower desorption. Similarly, during the B tower adsorption, through backflushing, the N ₂ adsorbed in the A molecular sieve bed, after entering The other channel of the gas valve is released into the atmosphere. This process is called tower A desorption. After the adsorption of tower B is completed, it enters into the process of B → equalization pressure. After 2 to 3 seconds, it switches to tower A for adsorption. High purity oxygen.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to specific situations in this document. The specific meaning in the utility model.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An oxygen-generating system, comprising an oxygen-generating unit (1), a controller (2) and an oxygen concentration sensor (3), characterized in that the surface of the oxygen-generating unit (1) is provided with a DC air jack ( 8) and the AC air jack (9), the DC air jack (8) and the AC air jack (9) are respectively connected with the sockets of the controller (2), and the oxygen socket of the controller (2) is connected to the The oxygen concentration sensor (3) is connected, and the oxygen generating unit (1) is composed of a square frame (4), a compressor (13), a molecular sieve (18), a gas mixing cylinder (22) and a gas storage tank (15). The bottom of the inner cavity of the square frame (4) is fixedly connected with the compressor (13) and the molecular sieve (18) respectively, and the output end of the compressor (13) is connected with a filter (17), and the filter (17) has a filter (17). One end is connected with a first solenoid valve (20), one end of the first solenoid valve (20) is communicated with the molecular sieve (18), and a shutter (6) is fixedly installed on one side of the square frame (4). An oxygen gas outlet (7) is installed at the corner of one side of the frame (4), and the oxygen gas outlet (7) communicates with the gas storage tank (15) through a pressure reducing valve (21). The square frame (4) A second solenoid valve (12) and a back pressure valve (19) are installed at the corners. 2. An oxygen production system according to claim 1, characterized in that: the molecular sieve (18) is composed of an A molecular sieve bed and a B molecular sieve bed, and a second electromagnetic sieve is passed between the A molecular sieve bed and the B molecular sieve bed. Valve (12) and back pressure valve (19) control connections. 3. An oxygen production system according to claim 1, characterized in that: the top, front, back and one side of the square frame (4) are respectively installed with a top sealing plate, a front sealing plate (5), a rear Cover plate (10) and left cover plate (11). 4. An oxygen production system according to claim 1, characterized in that: one end of the molecular sieve (18) is communicated with the gas storage tank (15), and a radiator ( 14), a cooling fan (16) is installed on the top of the radiator (14). 5. An oxygen production system according to claim 1, characterized in that: the tops of the two sides of the square frame (4) are respectively installed with lifting ears, and the bottoms of the two sides of the square frame (4) are respectively installed with lifting lugs. Secure the base. 6 . The oxygen production system according to claim 1 , wherein an emergency stop button, a switch button, a fault alarm button and a concentration alarm button are fixedly installed at the control panel of the controller ( 2 ). 7 . 7 . The oxygen production system according to claim 1 , wherein the oxygen concentration sensor ( 3 ) is a limit current type zirconia oxygen sensor. 8 .

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