阅读说明：本技术 一种数字化智能制氧系统及控制方法 (Digital intelligent oxygen generation system and control method ) 是由 郭本胜 梁锐 李昌才 于 2021-03-29 设计创作，主要内容包括：本发明公开了一种数字化智能制氧系统及控制方法,数字化智能制氧系统中进气过滤系统的出气口与压缩机连通,压缩机的出气口通过散热装置与电磁气体分配阀的空气进气口连通,电磁气体分配阀与第一分子筛塔、第二分子筛塔连通,电磁气体分配阀的第一废气出气口、第二废气出气口均与排气过滤系统连通,第一分子筛塔和第二分子筛塔的出气口通过电磁均压阀组件、单向阀控制组件与储氧罐连通,储氧罐通过单向阀与氧气浓度传感器连通,氧气浓度传感器通过单向阀与电子氧气流量调节装置连通,电子氧气流量调节装置与湿化器连通；本发明能够适用于不同海拔高度所需的氧气浓度,提供稳定运行状态的氧气浓度,提高第一分子筛塔、第二分子筛塔解吸效果。(The invention discloses a digital intelligent oxygen generation system and a control method, wherein an air outlet of an air inlet filtering system in the digital intelligent oxygen generation system is communicated with a compressor, an air outlet of the compressor is communicated with an air inlet of an electromagnetic gas distribution valve through a heat dissipation device, the electromagnetic gas distribution valve is communicated with a first molecular sieve tower and a second molecular sieve tower, a first waste gas outlet and a second waste gas outlet of the electromagnetic gas distribution valve are communicated with an exhaust filtering system, air outlets of the first molecular sieve tower and the second molecular sieve tower are communicated with an oxygen storage tank through an electromagnetic pressure equalizing valve component and a one-way valve control component, the oxygen storage tank is communicated with an oxygen concentration sensor through a one-way valve, the oxygen concentration sensor is communicated with an electronic oxygen flow regulating device through the one-way valve, and the electronic oxygen flow regulating device is communicated with a humidifier; the invention can be suitable for the oxygen concentration required by different altitudes, provides the oxygen concentration in a stable operation state, and improves the desorption effect of the first molecular sieve tower and the second molecular sieve tower.)

1. The utility model provides a digital intelligent system oxygen which characterized in that: the system comprises an air inlet filtering system, a compressor, a heat dissipation device, an electromagnetic gas distribution valve, an exhaust filtering system, a first molecular sieve tower, a second molecular sieve tower, an oxygen storage tank, an electromagnetic pressure-equalizing valve component, a one-way valve control component, an oxygen concentration sensor, an electronic oxygen flow regulating device and a humidifier, wherein an air outlet of the air inlet filtering system is communicated with the compressor, an air outlet of the compressor is communicated with an air inlet of the electromagnetic gas distribution valve through the heat dissipation device, a first air inlet and an air outlet of the electromagnetic gas distribution valve are communicated with the first molecular sieve tower, a second air inlet and an air outlet of the electromagnetic gas distribution valve are communicated with the second molecular sieve tower, a first waste gas outlet and a second waste gas outlet of the electromagnetic gas distribution valve are communicated with the exhaust filtering system, and air outlets of the first molecular sieve tower and the second molecular sieve tower are communicated with the oxygen storage tank through the electromagnetic pressure-equalizing valve component, the oxygen storage tank is communicated with the oxygen concentration sensor through the one-way valve, the oxygen concentration sensor is communicated with the electronic oxygen flow regulating device through the one-way valve, and the electronic oxygen flow regulating device is communicated with the humidifier.

2. The digital intelligent oxygen generation system of claim 1, wherein: the air inlet filtering system comprises a plurality of groups of filters which are communicated in sequence, and the air inlet filtering system comprises a primary filter, a secondary filter, a tertiary filter and a quaternary filter which are communicated in sequence.

3. The digital intelligent oxygen generation system of claim 1, wherein: the exhaust filtering system comprises a first-stage exhaust silencer and a plurality of exhaust silencers connected with the first-stage exhaust silencer.

4. The digital intelligent oxygen generation system of claim 1, wherein: the electromagnetism equalizing valve subassembly is including electromagnetism equalizing valve, first needle type valve, second needle type valve, first needle type valve is located between first molecular sieve tower and the check valve control assembly, second needle type valve is located between second molecular sieve tower and the check valve control assembly, electromagnetism equalizing valve and first needle type valve, second needle type valve parallel connection.

5. The digital intelligent oxygen generation system of claim 1, wherein: check valve control assembly is including being no less than a set of check valve of a set of number, the check valve is connected between the gas outlet and the oxygen storage tank of first molecular sieve tower and second molecular sieve tower for the gas outlet of first molecular sieve tower and second molecular sieve tower passes through check valve and oxygen storage tank intercommunication.

6. The digital intelligent oxygen generation system of claim 1, wherein: check valve control assembly is including being no less than two sets of check valve and solenoid valve by the number, preferably, check valve control assembly is including two sets of check valve, and is two sets of the check valve is connected respectively between the gas outlet and the oxygen storage tank of first molecular sieve tower, between the gas outlet and the oxygen storage tank of second molecular sieve tower, through two between the gas outlet of first molecular sieve tower and second molecular sieve tower the solenoid valve and wash the hole spare, two the both sides that wash the hole spare are located to the solenoid valve.

7. The digital intelligent oxygen generation system of claim 1, wherein: store up the oxygen jar including first oxygen jar, second oxygen jar, the air inlet of first oxygen jar is passed through the check valve control assembly and is connected with the gas outlet of first molecular sieve tower and second molecular sieve tower, the air inlet of second oxygen jar is through storing up oxygen solenoid valve and first oxygen jar intercommunication, the gas outlet of second oxygen jar is through storing up oxygen solenoid valve and oxygen concentration sensor intercommunication, the gas outlet of first oxygen jar is through storing up oxygen solenoid valve and oxygen concentration sensor intercommunication.

8. The control method of the digital intelligent oxygen generation system as claimed in any one of claims 1 to 7, characterized in that: the method comprises the following specific steps:

(1) after the oxygen generator is started, air enters the oxygen generation system through the air inlet filtering system, and the air is filtered and purified by the multistage filter in the air inlet filtering system;

(2) the filtered air is compressed by a compressor to form compressed air;

(3) the compressed air is cooled by the heat dissipation device;

(4) the cooled compressed air is distributed to a first molecular sieve tower and a second molecular sieve tower through an electromagnetic gas distribution valve to carry out nitrogen-oxygen separation;

(5) the oxygen is separated by the first molecular sieve tower and the second molecular sieve tower and then is conveyed to the oxygen storage tank through the one-way valve control assembly, the oxygen in the oxygen storage tank is detected by an electronic oxygen concentration sensor arranged in the oxygen storage tank to detect concentration information and then is conveyed to the controller, the oxygen flowing out from the oxygen storage tank is detected by an oxygen concentration sensor, the oxygen concentration information detected by the oxygen concentration sensor is conveyed to the controller, and the controller controls the oxygen in the oxygen storage tank to flow out;

(6) the oxygen flowing out of the oxygen concentration sensor passes through an electronic oxygen flow regulating device, and the electronic oxygen flow regulating device transmits the detected oxygen flow to a controller;

(7) the oxygen flowing out of the electronic oxygen flow regulating device is humidified by the humidifier and is discharged through the oxygen output port.

9. The control method of the digital intelligent oxygen generation system according to claim 8, characterized in that: the specific steps of the step (5) are as follows:

(5-1) opening the check valves of the first molecular sieve tower and the second molecular sieve tower respectively by the controller, and sending the separated oxygen to the first oxygen storage tank;

(5-2) opening an electromagnetic valve between an air inlet of the second oxygen storage tank and the first oxygen storage tank by the controller, conveying oxygen in the first oxygen storage tank into the second oxygen storage tank for storage, and detecting the oxygen concentration in the first oxygen storage tank and the second oxygen storage tank in real time by using electronic oxygen concentration sensors in the first oxygen storage tank and the second oxygen storage tank;

(5-3) the controller sets an output oxygen concentration value according to an external atmospheric pressure detection value, opens the electromagnetic valve at the air outlet end of the first oxygen storage tank, detects oxygen in the first oxygen storage tank through the oxygen concentration sensor, and controls and regulates the electromagnetic valves at two ends of the second oxygen storage tank in real time;

and (5-4) controlling electromagnetic valves at two ends of the flushing hole piece by the controller, and performing back flushing cleaning on the second molecular sieve tower or the first molecular sieve tower by the flushing hole piece on partial oxygen dissociated from the first molecular sieve tower or the second molecular sieve tower.

10. The utility model provides an effect of electromagnetism voltage-sharing valve subassembly in digital intelligent system oxygen system: when the first molecular sieve tower is switched to the second molecular sieve tower for adsorption, the two short-time intercommunicating positions are carried out to play the roles of front-end pressure equalizing and tail-end pressure equalizing.

Technical Field

The invention relates to the technical field of oxygen generators, in particular to a digital intelligent oxygen generation system and a control method.

Background

With the development of the economic society, the oxygen generator is not only widely applied to clinic as a common medical device, but also gradually becomes a common modern medical health care method. Clinically, the high-concentration oxygen of the oxygen generator can be used for treating symptoms, such as discomfort of a respiratory system and a cardiovascular system, altitude reaction symptoms, pregnant woman and fetus intrauterine distress, sleep hypoxemia and the like, and at present, people usually use the oxygen generator to insist on oxygen inhalation to relieve mental fatigue, keep vigorous energy, improve working efficiency and improve learning efficiency; meanwhile, the pollution and the harm to the body under the severe environment are reduced to a certain extent, the aging can be delayed, and the body function is enhanced.

The oxygen generator adopts pressure swing adsorption technology at normal temperature, oxygen in air is separated from nitrogen by using a molecular sieve, the molecular sieve physical adsorption and desorption technology is utilized, the molecular sieve is filled in the oxygen generator, the nitrogen in the air can be adsorbed during pressurization, the rest unabsorbed oxygen is collected and purified to form high-purity oxygen, the molecular sieve discharges the adsorbed nitrogen back to the ambient air during decompression, the nitrogen can be adsorbed and oxygen can be prepared during next pressurization, the whole process is a periodic dynamic cycle process, the molecular sieve is not consumed, the molecular sieve oxygen generation system prepares the oxygen by absorbing the nitrogen in the compressed air by the molecular sieve and then sending the oxygen to a pipeline for application, the molecular sieve is a key material in the whole system, the molecular sieve is filled in an absorption tower, and the molecular sieve is used for water molecules, Oil molecules and dust are very sensitive, and can cause non-renewable damage to the molecular sieve; in addition, because of the limitations of the volume and the weight of the oxygen generator equipment, the oxygen production flow and the concentration of the lighter oxygen generator are not stable enough, and the carbon monoxide, the methane and the carbon dioxide in the oxygen-enriched gas generated by the oxygen generator have relatively different proportions, so the toxic hazard of the carbon monoxide is eliminated, the stability of the oxygen content in the oxygen-enriched gas needs to be ensured.

Disclosure of Invention

The invention aims to provide a digital intelligent oxygen generation system and a control method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical means:

a digital intelligent oxygen generation system comprises an air inlet filtering system, a compressor, a heat dissipation device, an electromagnetic gas distribution valve, an exhaust filtering system, a first molecular sieve tower, a second molecular sieve tower, an oxygen storage tank, an electromagnetic pressure-equalizing valve component, a one-way valve control component, an oxygen concentration sensor, an electronic oxygen flow regulating device and a humidifier, wherein an air outlet of the air inlet filtering system is communicated with the compressor, an air outlet of the compressor is communicated with an air inlet of the electromagnetic gas distribution valve through the heat dissipation device, a first air inlet and an air outlet of the electromagnetic gas distribution valve are communicated with the first molecular sieve tower, a second air inlet and an air outlet of the electromagnetic gas distribution valve are communicated with the second molecular sieve tower, a first waste gas outlet and a second waste gas outlet of the electromagnetic gas distribution valve are communicated with the exhaust filtering system, and air outlets of the first molecular sieve tower and the second molecular sieve tower are communicated with the exhaust filtering system through the electromagnetic, The one-way valve control assembly is communicated with the oxygen storage tank, the oxygen storage tank is communicated with the oxygen concentration sensor through the one-way valve, the oxygen concentration sensor is communicated with the electronic oxygen flow regulating device through the one-way valve, and the electronic oxygen flow regulating device is communicated with the humidifier.

Furthermore, the air inlet filtering system comprises a plurality of groups of filters which are communicated in sequence, and the air inlet filtering system comprises a first-stage filter, a second-stage filter, a third-stage filter and a fourth-stage filter which are communicated in sequence.

Furthermore, the exhaust filtering system comprises a first-stage exhaust silencer and a plurality of exhaust silencers connected with the first-stage exhaust silencer.

Further, electromagnetism pressure equalizing valve subassembly is including electromagnetism pressure equalizing valve, first needle valve, second needle valve, first needle valve is located between first molecular sieve tower and the check valve control assembly, second needle valve is located between second molecular sieve tower and the check valve control assembly, electromagnetism pressure equalizing valve and first needle valve, second needle valve parallel connection, the oxygenerator is referring to utilizing molecular sieve vary voltage to adsorb the principle, improves oxygen concentration's equipment through adsorbing nitrogen gas and other gas components. When the equipment works, compressed air is injected into a closed tower filled with molecular sieves so as to increase the pressure in the adsorption tower, the molecular sieves adsorb a large amount of nitrogen in the compressed air along with the increase of the ambient pressure, and oxygen in the compressed air still exists in a gas form and is collected through a certain pipeline. This process is commonly referred to as the "adsorption" process. When the molecular sieve in the container adsorbs nitrogen and reaches the critical state of adsorption saturation, the adsorption tower is blown to reduce pressure, the capacity of the molecular sieve for adsorbing nitrogen is reduced along with the reduction of the environmental pressure, and the nitrogen is released back to gas phase from the interior of the molecular sieve to be discharged as waste gas. This process is commonly referred to as "desorption". In order to ensure the continuous and stable output of oxygen, the oxygen generator mostly adopts two molecular sieve towers which are controlled by an electromagnetic gas distribution valve. The electromagnetic gas distributing valve is a two-position four-way valve, so that one tower is in the adsorption process while the other tower is in the desorption process, and the two towers work alternately to complete the continuous oxygen production process. When one tower is switched to two towers for adsorption, the valve can carry out two-position intercommunication for a short time so as to ensure that the air pressure in the towers in the desorption-adsorption process is not greatly reduced, and the aim is to improve the adsorption efficiency, and the process is called as a front-end pressure equalizing process. The electromagnetic pressure equalizing valve is a one-way valve and is used for being immediately and briefly switched on after the electromagnetic gas distributing valve completes the front end pressure equalizing so as to ensure that the desorption is more sufficient, the aim is to improve the oxygen production efficiency of the molecular sieve in the tower, and the process is called as the tail end pressure equalizing process.

Further, check valve control assembly is including being no less than a set of check valve of a set of number, the check valve is connected between the gas outlet and the oxygen storage tank of first molecular sieve tower and second molecular sieve tower for the gas outlet of first molecular sieve tower and second molecular sieve tower passes through check valve and oxygen storage tank intercommunication.

Further, check valve control assembly is including being no less than two sets of check valve and solenoid valve number, preferably, check valve control assembly is including two sets of check valve, and is two sets of the check valve is connected respectively between the gas outlet of first molecular sieve tower and oxygen storage tank, between the gas outlet of second molecular sieve tower and oxygen storage tank, through two between the gas outlet of first molecular sieve tower and second molecular sieve tower the solenoid valve and wash the hole spare, two the both sides that wash the hole spare are located to the solenoid valve.

Further, store up the oxygen jar including first oxygen jar, second oxygen jar, the air inlet of first oxygen jar is passed through the check valve control assembly and is connected with the gas outlet of first molecular sieve tower and second molecular sieve tower, the air inlet of second oxygen jar is through storing up oxygen solenoid valve and first oxygen jar intercommunication, the gas outlet of second oxygen jar is through storing up oxygen solenoid valve and oxygen concentration sensor intercommunication, the gas outlet of first oxygen jar is through storing up oxygen solenoid valve and oxygen concentration sensor intercommunication.

A control method of a digital intelligent oxygen generation system is realized by the following technical scheme, and comprises the following specific steps:

(1) after the oxygen generator is started, air enters the oxygen generation system through the air inlet filtering system, and the air is filtered and purified by the multistage filter in the air inlet filtering system;

(2) the filtered air is compressed by a compressor to form compressed air;

(3) the compressed air is cooled by the heat dissipation device;

(4) the cooled compressed air is distributed to a first molecular sieve tower and a second molecular sieve tower through an electromagnetic gas distribution valve to carry out nitrogen-oxygen separation;

(5) the oxygen is separated by the first molecular sieve tower and the second molecular sieve tower and then is conveyed to the oxygen storage tank through the one-way valve control assembly, the oxygen in the oxygen storage tank is detected by an electronic oxygen concentration sensor arranged in the oxygen storage tank to detect concentration information and then is conveyed to the controller, the oxygen flowing out from the oxygen storage tank is detected by an oxygen concentration sensor, the oxygen concentration information detected by the oxygen concentration sensor is conveyed to the controller, and the controller controls the oxygen in the oxygen storage tank to flow out;

(6) the oxygen flowing out of the oxygen concentration sensor passes through an electronic oxygen flow regulating device, and the electronic oxygen flow regulating device transmits the detected oxygen flow to a controller;

(7) the oxygen flowing out of the electronic oxygen flow regulating device is humidified by the humidifier and is discharged through the oxygen output port.

Further, the specific steps of the step (5) are as follows:

(5-1) opening the check valves of the first molecular sieve tower and the second molecular sieve tower respectively by the controller, and sending the separated oxygen to the first oxygen storage tank;

(5-2) opening an electromagnetic valve between an air inlet of the second oxygen storage tank and the first oxygen storage tank by the controller, conveying oxygen in the first oxygen storage tank into the second oxygen storage tank for storage, and detecting the oxygen concentration in the first oxygen storage tank and the second oxygen storage tank in real time by using electronic oxygen concentration sensors in the first oxygen storage tank and the second oxygen storage tank;

(5-3) the controller sets an output oxygen concentration value according to an external atmospheric pressure detection value, opens the electromagnetic valve at the air outlet end of the first oxygen storage tank, detects oxygen in the first oxygen storage tank through the oxygen concentration sensor, and controls and regulates the electromagnetic valves at two ends of the second oxygen storage tank in real time;

and (5-4) controlling electromagnetic valves at two ends of the flushing hole piece by the controller, and performing back flushing cleaning on the second molecular sieve tower or the first molecular sieve tower by the flushing hole piece on partial oxygen dissociated from the first molecular sieve tower or the second molecular sieve tower.

The atmospheric pressure is gradually reduced along with the increase of the altitude, the feeding amount of the oxygen generator is also gradually reduced, if the adsorption time is not changed, the adsorption pressure of the molecular sieve tower is also reduced, the adsorption amount is also gradually reduced, and the purity of the prepared product oxygen is also gradually reduced, compared with the prior art, the invention has the advantages that the first oxygen storage tank and the second oxygen storage tank are arranged, and the second oxygen storage tank is used for storing oxygen for standby, so that the product can be suitable for the oxygen concentration required by different altitudes, the preparation and the storage of the oxygen generator at ordinary times can effectively meet the requirements, the proportion problem of harmful gases such as carbon monoxide, carbon dioxide, methane and the like is solved, meanwhile, when the oxygen generator is used for preparing oxygen, the system has a later time difference when the system starts to work, and can reach a stable operation state after a certain time, namely, the output oxygen concentration can not obviously change, the invention can provide the oxygen concentration in a stable running state at the beginning of the work through the effective oxygen storage of the second oxygen storage tank and the control of the controller, and can meet the corresponding requirements in time, when the first tower is switched to the second tower for adsorption, the electromagnetic pressure equalizing valve can carry out two-position intercommunication for a short time so as to ensure that the air pressure in the tower cannot be greatly reduced in the desorption-adsorption process, so as to improve the adsorption efficiency, the process is called as a front end pressure equalizing process, the electromagnetic pressure equalizing valve is a one-way valve, and the electromagnetic pressure equalizing valve is used for being immediately and temporarily switched on after the electromagnetic gas distributing valve finishes front end pressure equalizing so as to ensure that the desorption is more sufficient, so as to improve the oxygen production efficiency of the molecular sieve in the tower, and the process is called as a tail end pressure equalizing process; in addition, the product gas can be controlled by the controller to carry out reverse flushing on the corresponding first molecular sieve tower or second molecular sieve tower through the flushing hole piece, so that the desorption effect of the first molecular sieve tower and the second molecular sieve tower is improved.

Description of the drawings:

FIG. 1 is a schematic flow chart of the present invention;

FIG. 2 is a schematic view of the working process of the present invention;

FIG. 3 is a schematic flow chart of a part of the components of the present invention.

The specific implementation mode is as follows:

in order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is further described below with reference to the following examples:

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The invention relates to a method for preparing a composite material, which comprises the following steps: see the drawings.

In this embodiment, a digital intelligent oxygen generation system includes an air inlet filtering system, a compressor, a heat dissipation device, an electromagnetic gas distribution valve, an exhaust filtering system, a first molecular sieve tower, a second molecular sieve tower, an oxygen storage tank, an electromagnetic pressure equalizing valve assembly, a check valve control assembly, an oxygen concentration sensor, an electronic oxygen flow regulating device, and a humidifier, where an air outlet of the air inlet filtering system is communicated with the compressor, an air outlet of the compressor is communicated with an air inlet of the electromagnetic gas distribution valve through the heat dissipation device, a first air inlet and an air outlet of the electromagnetic gas distribution valve are communicated with the first molecular sieve tower, a second air inlet and an air outlet of the electromagnetic gas distribution valve are communicated with the second molecular sieve tower, a first waste gas outlet and a second waste gas outlet of the electromagnetic gas distribution valve are both communicated with the exhaust filtering system, and air outlets of the first molecular sieve tower and the second molecular sieve tower are communicated with the exhaust filtering system through the electromagnetic pressure, The one-way valve control assembly is communicated with the oxygen storage tank, the oxygen storage tank is communicated with the oxygen concentration sensor through the one-way valve, the oxygen concentration sensor is communicated with the electronic oxygen flow regulating device through the one-way valve, and the electronic oxygen flow regulating device is communicated with the humidifier.

Furthermore, the air inlet filtering system comprises a plurality of groups of filters which are communicated in sequence, and the air inlet filtering system comprises a first-stage filter, a second-stage filter, a third-stage filter and a fourth-stage filter which are communicated in sequence.

Furthermore, the exhaust filtering system comprises a first-stage exhaust silencer and a plurality of exhaust silencers connected with the first-stage exhaust silencer.

Further, electromagnetism pressure equalizing valve subassembly is including electromagnetism pressure equalizing valve, first needle valve, second needle valve, first needle valve is located between first molecular sieve tower and the check valve control assembly, second needle valve is located between second molecular sieve tower and the check valve control assembly, electromagnetism pressure equalizing valve and first needle valve, second needle valve parallel connection, the oxygenerator is referring to utilizing molecular sieve vary voltage to adsorb the principle, improves oxygen concentration's equipment through adsorbing nitrogen gas and other gas components. When the equipment works, compressed air is injected into a closed tower filled with molecular sieves so as to increase the pressure in the adsorption tower, the molecular sieves adsorb a large amount of nitrogen in the compressed air along with the increase of the ambient pressure, and oxygen in the compressed air still exists in a gas form and is collected through a certain pipeline. This process is commonly referred to as the "adsorption" process. When the molecular sieve in the container adsorbs nitrogen and reaches the critical state of adsorption saturation, the adsorption tower is blown to reduce pressure, the capacity of the molecular sieve for adsorbing nitrogen is reduced along with the reduction of the environmental pressure, and the nitrogen is released back to gas phase from the interior of the molecular sieve to be discharged as waste gas. This process is commonly referred to as "desorption". In order to ensure the continuous and stable output of oxygen, the oxygen generator mostly adopts two molecular sieve towers which are controlled by an electromagnetic gas distribution valve. The electromagnetic gas distributing valve is a two-position four-way valve, so that one tower is in the adsorption process while the other tower is in the desorption process, and the two towers work alternately to complete the continuous oxygen production process. When one tower is switched to two towers for adsorption, the valve can carry out two-position intercommunication for a short time so as to ensure that the air pressure in the towers in the desorption-adsorption process is not greatly reduced, and the aim is to improve the adsorption efficiency, and the process is called as a front-end pressure equalizing process. The electromagnetic pressure equalizing valve is a one-way valve and is used for being immediately and briefly switched on after the electromagnetic gas distributing valve completes the front end pressure equalizing so as to ensure that the desorption is more sufficient, the aim is to improve the oxygen production efficiency of the molecular sieve in the tower, and the process is called as the tail end pressure equalizing process.

Further, check valve control assembly is including being no less than a set of check valve of a set of number, the check valve is connected between the gas outlet and the oxygen storage tank of first molecular sieve tower and second molecular sieve tower for the gas outlet of first molecular sieve tower and second molecular sieve tower passes through check valve and oxygen storage tank intercommunication.

Further, check valve control assembly is including being no less than two sets of check valve and solenoid valve number, preferably, check valve control assembly is including two sets of check valve, and is two sets of the check valve is connected respectively between the gas outlet of first molecular sieve tower and oxygen storage tank, between the gas outlet of second molecular sieve tower and oxygen storage tank, through two between the gas outlet of first molecular sieve tower and second molecular sieve tower the solenoid valve and wash the hole spare, two the both sides that wash the hole spare are located to the solenoid valve.

Further, store up the oxygen jar including first oxygen jar, second oxygen jar, the air inlet of first oxygen jar is passed through the check valve control assembly and is connected with the gas outlet of first molecular sieve tower and second molecular sieve tower, the air inlet of second oxygen jar is through storing up oxygen solenoid valve and first oxygen jar intercommunication, the gas outlet of second oxygen jar is through storing up oxygen solenoid valve and oxygen concentration sensor intercommunication, the gas outlet of first oxygen jar is through storing up oxygen solenoid valve and oxygen concentration sensor intercommunication.

A control method of a digital intelligent oxygen generation system is realized by the following technical scheme, and comprises the following specific steps:

(1) after the oxygen generator is started, air enters the oxygen generation system through the air inlet filtering system, and the air is filtered and purified by the multistage filter in the air inlet filtering system;

(2) the filtered air is compressed by a compressor to form compressed air;

(3) the compressed air is cooled by the heat dissipation device;

(4) the cooled compressed air is distributed to a first molecular sieve tower and a second molecular sieve tower through an electromagnetic gas distribution valve to carry out nitrogen-oxygen separation;

(5) the oxygen is separated by the first molecular sieve tower and the second molecular sieve tower and then is conveyed to the oxygen storage tank through the one-way valve control assembly, the oxygen in the oxygen storage tank is detected by an electronic oxygen concentration sensor arranged in the oxygen storage tank to detect concentration information and then is conveyed to the controller, the oxygen flowing out from the oxygen storage tank is detected by an oxygen concentration sensor, the oxygen concentration information detected by the oxygen concentration sensor is conveyed to the controller, and the controller controls the oxygen in the oxygen storage tank to flow out;

(6) the oxygen flowing out of the oxygen concentration sensor passes through an electronic oxygen flow regulating device, and the electronic oxygen flow regulating device transmits the detected oxygen flow to a controller;

(7) the oxygen flowing out of the electronic oxygen flow regulating device is humidified by the humidifier and is discharged through the oxygen output port.

Further, the specific steps of the step (5) are as follows:

(5-1) opening the check valves of the first molecular sieve tower and the second molecular sieve tower respectively by the controller, and sending the separated oxygen to the first oxygen storage tank;

(5-2) opening an electromagnetic valve between an air inlet of the second oxygen storage tank and the first oxygen storage tank by the controller, conveying oxygen in the first oxygen storage tank into the second oxygen storage tank for storage, and detecting the oxygen concentration in the first oxygen storage tank and the second oxygen storage tank in real time by using electronic oxygen concentration sensors in the first oxygen storage tank and the second oxygen storage tank;

(5-3) the controller sets an output oxygen concentration value according to an external atmospheric pressure detection value, opens the electromagnetic valve at the air outlet end of the first oxygen storage tank, detects oxygen in the first oxygen storage tank through the oxygen concentration sensor, and controls and regulates the electromagnetic valves at two ends of the second oxygen storage tank in real time;

and (5-4) controlling electromagnetic valves at two ends of the flushing hole piece by the controller, and performing back flushing cleaning on the second molecular sieve tower or the first molecular sieve tower by the flushing hole piece on partial oxygen dissociated from the first molecular sieve tower or the second molecular sieve tower.

The embodiments disclosed in the present invention are within the scope of the claims, and the specific embodiments are only for describing the specific embodiments of the present invention, and the scope of the present invention is not limited to the specific embodiments, and the specific embodiments should not be construed as limiting the scope of the claims.

For example, the controller, the display device, the electronic oxygen concentration sensor, the touch device, and the like are not disclosed in the present invention, and other conventional components of the present invention are not disclosed in the present invention, such as the second oxygen storage tank, which is provided with multiple storage chambers and an oxygen compression device, each storage chamber is respectively communicated with the oxygen compression device through a pipeline, each pipeline is provided with a controllable valve, the oxygen flowing into the first oxygen storage tank is compressed through the oxygen compression device, and each storage chamber stores oxygen with different concentrations, so that the controller can control the oxygen concentration in the second oxygen storage tank according to the classification of the needs, without hindering the understanding of the present invention by those skilled in the art.

The product structure connection relation falling within the protection scope of the invention falls within the protection content of the invention; it is within the spirit of the present invention that conventional technical modifications to the structure of product parts, such as those made in the specific embodiments of the present invention, may be made without departing from the spirit of the present invention.

While certain exemplary embodiments of the invention have been described above by way of illustration only, it will be apparent to those skilled in the art that the described embodiments may be modified in various different ways without departing from the scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention as claimed.

Unless defined otherwise, all academic and scientific terms used herein have the same meaning as is understood by one of ordinary skill in the art to which this invention belongs.