CN216236036U

CN216236036U - Oxygen generation system

Info

Publication number: CN216236036U
Application number: CN202122875262.0U
Authority: CN
Inventors: 周耀; 祝小康; 范彬
Original assignee: Jiangsu Taida Electromechanical Equipment Co ltd
Current assignee: Jiangsu Taida Electromechanical Equipment Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-08
Anticipated expiration: 2031-11-23

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

Oxygen generation system

Technical Field

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

Background

At present, the mainstream oxygen generation modes comprise membrane separation oxygen generation, molecular sieve oxygen generation, high-pressure oxygen cylinders and the like. The traditional oxygen making mode by high-pressure oxygen cylinders has the main disadvantages that: the oxygen storage capacity is limited by the volume of the gas cylinder, the oxygen supply time is limited, and continuous oxygen supply can not be realized; the ground is inconvenient to supply, and potential safety hazards exist; and the device is far away from the base, and the guarantee maintenance cost is additionally increased.

The membrane separation oxygen generation mode and the molecular sieve oxygen generation mode can continuously generate oxygen meeting the human body requirement, and the oxygen supply time is long. The purity of the oxygen separated by the membrane can only be continuously adjusted from 35% to 50%, and the concentration of the prepared oxygen is low.

The molecular sieve oxygen generator uses molecular sieve as adsorbent and adopts the principle of pressure swing adsorption to separate air to prepare high-purity oxygen. The scheme of the traditional molecular sieve and two-step cyclic oxygen generation process has low oxygen generation efficiency due to low nitrogen adsorption capacity and low separation coefficient with nitrogen and oxygen of the molecular sieve, and the traditional two-step cyclic oxygen generation process has no back blowing process and desorption and cannot ensure the performance of molecular sieve re-adsorption.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oxygen generation system to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: an oxygen generation system comprises an oxygen generation unit, a controller and an oxygen concentration sensor, wherein a DC navigation plug hole and an AC navigation plug hole are arranged on the surface of the oxygen generation unit, the DC aviation jack and the AC aviation jack are respectively connected with a socket of a controller, an oxygen socket of the controller is connected with an oxygen concentration sensor, the oxygen generator set consists of a square frame, a compressor, a molecular sieve, a gas mixing cylinder and a gas storage tank, the bottom of the inner cavity of the square frame is respectively 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, one end of the first electromagnetic valve is communicated with the molecular sieve, one side of the square frame is fixedly provided with a shutter, an oxygen gas outlet is installed at the corner of one side of the square frame and communicated with the gas storage tank through a pressure reducing valve, and a second electromagnetic valve and a back pressure valve are installed at the corner of the square frame.

As a preferable technical scheme of the utility model, the molecular sieve consists of a molecular sieve bed A and a molecular sieve bed B, and the molecular sieve bed A and the molecular sieve bed B are in control connection through a second electromagnetic valve and a back pressure valve.

As a preferred technical scheme 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 scheme of the utility model, one end of the molecular sieve is communicated with the gas storage tank, the top end of the compressor is provided with a radiator, and the top end of the radiator is provided with a radiating fan.

As a preferred technical scheme of the utility model, lifting lugs are respectively installed at the tops of two sides of the square frame, and fixed bases are respectively installed at the bottoms of two sides of the square frame.

As a preferable technical scheme of the utility model, an emergency stop button, a switch button, a fault alarm button and a concentration alarm button are fixedly arranged at a control panel of the controller.

In a preferred embodiment of the present invention, the oxygen concentration sensor is a limit current type zirconia oxygen sensor.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model relates to an oxygen generation system, which optimizes the material of a molecular sieve and the oxygen generation process flow, can reduce air consumption under the condition of fixed oxygen generation amount, effectively save oxygen generation space, greatly improve oxygen generation efficiency, reduce the volume and weight of an oxygen generation assembly, ensure the miniaturization requirement of the device, adapt to the oxygen supply requirement under severe conditions and the like, is widely applied to places for rest and recovery of personnel under plateau conditions, has fault warning and fault self-detection functions, can acquire fault signals according to the information of various sensors, judges whether various functional modules in the system are normal or not, uploads the fault signals to facilitate fault inquiry and maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a first schematic diagram of the oxygen generating unit according to the present invention;

FIG. 3 is a schematic view of the structure of the oxygen generating unit of the present invention;

FIG. 4 is a first schematic diagram of the internal structure of the oxygen generator set according to the present invention;

FIG. 5 is a second schematic diagram of the internal structure of the oxygen generator set of the present invention.

In the figure: 1. an oxygen generator set; 2. a controller; 3. an oxygen concentration sensor; 4. a square frame; 5. a front closing plate; 6. a blind window; 7. an oxygen outlet; 8. a DC navigation jack; 9. an AC navigation jack; 10. a rear closing plate; 11. a left sealing plate; 12. a second solenoid valve; 13. a compressor; 14. a heat sink; 15. a gas storage tank; 16. a heat radiation fan; 17. a filter; 18. a molecular sieve; 19. a back pressure valve; 20. a first solenoid valve; 21. a pressure reducing valve; 22. a gas mixing cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of an oxygen generation system:

according to the figures 1-5, the oxygen generating set comprises an oxygen generating set 1, a controller 2 and an oxygen concentration sensor 3, wherein a DC navigation jack 8 and an AC navigation jack 9 are installed on the surface of the oxygen generating set 1, the DC navigation jack 8 and the AC navigation jack 9 are respectively connected with a jack of the controller 2, an oxygen jack of the controller 2 is connected with the oxygen concentration sensor 3, the oxygen generating set 1 comprises 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 respectively fixedly connected with the compressor 13 and the molecular sieve 18, the output end of the compressor 13 is connected with a filter 17, one end of the filter 17 is connected with a first electromagnetic valve 20, one end of the first electromagnetic valve 20 is communicated with the molecular sieve 18, a shutter 6 is fixedly installed on one side of the square frame 4, an oxygen outlet 7 is installed on the edge of one side of the square frame 4, and the oxygen outlet 7 is communicated with the gas storage tank 15 through a pressure reducing valve 21, a second electromagnetic valve 12 and a back pressure valve 19 are installed at corners of the square frame 4.

According to fig. 1 and 2, the molecular sieve 18 is composed of a molecular sieve bed a and a molecular sieve bed B, the molecular sieve bed a and the molecular sieve bed B are in control connection through a second electromagnetic valve 12 and a back pressure valve 19, 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 top, the front and the back of the square frame 4, one end of the molecular sieve 18 is communicated with a gas storage tank 15, a radiator 14 is installed on the top of a compressor 13, a heat radiation fan 16 is installed on the top of the radiator 14, lifting lugs are respectively installed on the tops of two sides of the square frame 4, fixing bases are respectively installed on the bottoms of two sides of the square frame 4, an emergency stop button, a switch button, a fault alarm button and a concentration alarm button are fixedly installed on a control panel of the controller 2, and the oxygen concentration sensor 3 is a limiting current type zirconium oxide oxygen sensor.

When the oxygen generation system is used specifically, compressed air is filtered by the filter 17 and enters the molecular sieve bed A through the first electromagnetic valve 20, the pressure of the molecular sieve bed A is increased, and N is generated₂Absorbed by the A molecular sieve bed, unabsorbed O₂The mixture passes through the molecular sieve bed A and enters the air storage tank 15, the process is called A-tower adsorption for dozens of seconds, the adsorption of the A-tower is finished, the molecular sieve bed A and the molecular sieve bed B are communicated through a second electromagnetic valve 12 and a back pressure valve 19, the pressure of the two molecular sieve beds AB is balanced, the process is called A → B pressure balancing, after 2-3 seconds, the pressure balancing is finished, then compressed air enters the right molecular sieve bed, the pressure of the molecular sieve bed B is increased, and N is added₂Absorbed by the B molecular sieve bed, unabsorbed O₂Passing through the molecular sieve bed B and entering the gas storage tank 15, wherein the process is called B-tower adsorption, lasts for tens of seconds, the B-tower adsorption is finished, and N adsorbed in the molecular sieve bed B is subjected to back blowing during A-tower adsorption₂Releasing into atmosphere, this process is called B-tower desorption, and similarly, N adsorbed in A molecular sieve bed is desorbed by back-flushing during B-tower adsorption₂Releasing the gas to atmosphere through another channel of the air inlet valve, wherein the process is called A tower desorption, after B tower adsorption is finished, the gas enters a B → pressure equalizing process, lasts for 2-3 seconds, and thenSwitching to A tower adsorption, and circulating to generate high-purity oxygen.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An oxygen generation system comprises an oxygen generator set (1), a controller (2) and an oxygen concentration sensor (3), and is characterized in that the surface of the oxygen generator set (1) is provided with a DC navigation jack (8) and an AC navigation jack (9), the DC navigation jack (8) and the AC navigation jack (9) are respectively connected with a jack of the controller (2), an oxygen jack of the controller (2) is connected with the oxygen concentration sensor (3), the oxygen generator set (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 respectively fixedly connected with the compressor (13) and the molecular sieve (18), the output end of the compressor (13) is connected with a filter (17), one end of the filter (17) is connected with a first electromagnetic valve (20), the one end and the molecular sieve (18) intercommunication of first solenoid valve (20), one side fixed mounting of square frame (4) has shutter (6), oxygen gas outlet (7) are installed to the edge of square frame (4) one side, oxygen gas outlet (7) are through relief pressure valve (21) and gas holder (15) intercommunication, second solenoid valve (12) and back pressure valve (19) are installed to the edge of square frame (4).

2. An oxygen generation system according to claim 1, wherein: the molecular sieve (18) consists of a molecular sieve bed A and a molecular sieve bed B, and the molecular sieve bed A and the molecular sieve bed B are in control connection through a second electromagnetic valve (12) and a back pressure valve (19).

3. An oxygen generation system according to claim 1, wherein: the top, the front, the back and one side of the square frame (4) are respectively provided with a top sealing plate, a front sealing plate (5), a rear sealing plate (10) and a left sealing plate (11).

4. An oxygen generation system according to claim 1, wherein: one end of the molecular sieve (18) is communicated with the gas storage tank (15), a radiator (14) is installed at the top end of the compressor (13), and a heat radiation fan (16) is installed at the top end of the radiator (14).

5. An oxygen generation system according to claim 1, wherein: lifting lugs are respectively installed at the tops of two sides of the square frame (4), and fixing bases are respectively installed at the bottoms of two sides of the square frame (4).

6. An oxygen generation system according to claim 1, wherein: an emergency stop button, a switch button, a fault alarm button and a concentration alarm button are fixedly arranged at a control panel of the controller (2).

7. An oxygen generation system according to claim 1, wherein: the oxygen concentration sensor (3) is a limit current type zirconium oxide oxygen sensor.