CN216778376U

CN216778376U - Direct-acting oxygen generation valve

Info

Publication number: CN216778376U
Application number: CN202122748262.4U
Authority: CN
Inventors: 张亚毅; 梁华; 傅英军; 杜都都
Original assignee: Ningbo Hengbo Electromagnetic Technology Co ltd
Current assignee: Ningbo Hengbo Electromagnetic Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-21
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a direct-acting oxygen generation valve, and belongs to the technical field of oxygen generation valves. The method comprises the following steps: the cylinder manifold is provided with an air inlet channel, an air outlet channel, an exhaust channel and a connecting channel, the air inlet channel is connected with an external compressor, and the air outlet channel is connected with an external molecular sieve; the valve group, its quantity is equipped with one at least, and the valves includes admission valve and discharge valve, and admission valve and discharge valve all are connected with the cylinder manifold, and inlet channel, admission valve, interface channel, discharge valve and exhaust passage communicate in proper order, and the passageway of giving vent to anger communicates with the interface channel. Whole oxygenerator valve can realize zero atmospheric pressure and start, and each valves all can carry out the pressure regulating alone, reaches the purpose of dislocation output, and then has improved the suitability of whole oxygenerator valve, and also can make the gas pressure that the output got into the molecular sieve keep invariable through the pressure regulating, satisfies the gas pressure demand of oxygenerator, and then ensures that the system oxygen ability of oxygenerator is good, improves the concentration of oxygen.

Description

Direct-acting oxygen generation valve

Technical Field

The utility model belongs to the technical field of oxygen generation valves, and particularly relates to a direct-acting oxygen generation valve.

Background

Oxygen is an indispensable substance for human life, however, in some special cases people have to face an environment lacking oxygen or require higher concentrations of oxygen, and oxygen plants are used for this purpose. Wherein, the oxygen generation valve is equipment for extracting oxygen from air. The method utilizes a physical adsorption technology and a desorption technology to adsorb nitrogen in the air, and the residual unabsorbed oxygen is collected and purified to obtain high-purity clean oxygen.

Present oxygenerator valve, because use up the back at every turn, its inside can remain partial gas, when leading to subsequent use each time, all need reach minimum start-up pressure value and just can start, lack the convenience when using, simultaneously, the valve body of this kind of oxygenerator often only possesses the function of opening and closing, can't carry out the pressure regulation in order to satisfy the pressure demand of different oxygenerators in the use.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a direct-acting oxygen valve which is started at zero air pressure and can regulate pressure in the using process.

The utility model can be realized by the following technical scheme:

a direct-acting oxygen valve comprises:

the cylinder manifold is provided with an air inlet channel, an air outlet channel, an exhaust channel and a connecting channel, wherein the air inlet channel is connected with an external compressor, and the air outlet channel is connected with an external molecular sieve;

the valves, its quantity is equipped with one at least, the valves includes admission valve and discharge valve, the admission valve and discharge valve all with the cylinder manifold is connected, the inlet channel the admission valve the interface channel discharge valve and the discharge channel communicates in proper order, the passageway of giving vent to anger with the interface channel intercommunication.

As a further improvement of the utility model, the air inlet valve comprises an air inlet valve, an air inlet valve cavity and an air outlet valve, wherein the air inlet valve is communicated with the air outlet valve of the air inlet valve through the air inlet valve cavity.

As a further improvement of the utility model, the exhaust valve comprises an exhaust valve air inlet, an exhaust valve cavity and an exhaust valve air outlet, and the exhaust valve air inlet is communicated with the exhaust valve air outlet through the exhaust valve cavity.

As a further improvement of the utility model, the bus bar is also provided with a bus bar air inlet, and two ends of the air inlet channel are respectively communicated with the bus bar air inlet and the air inlet of the air inlet valve.

As a further improvement of the utility model, the bus bar is also provided with a bus bar air outlet, and two ends of the air outlet channel are respectively communicated with the connecting channel and the bus bar air outlet.

As a further improvement of the utility model, the bus bar is further provided with a bus bar air outlet, and two ends of the air exhaust channel are respectively communicated with the air outlet of the exhaust valve and the bus bar air outlet.

As a further improvement of the present invention, when the number of the valve groups is plural, each of the intake valves communicates with the intake passage, and each of the exhaust valves communicates with the exhaust passage.

As a further improvement of the utility model, the connecting device also comprises a sealing steel ball which is placed in the connecting channel.

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

1. after the work of making oxygen, close the admission valve, only open discharge valve can outwards discharge whole oxygenerator valve inside remaining gas from exhaust passage, ensure that the inside atmospheric pressure of oxygenerator valve is equal with outside atmospheric pressure, from this when making oxygen the work next time, can reach the purpose that zero atmospheric pressure starts.

2. When the pressure entering the molecular sieve is insufficient, closing the exhaust valve and only opening the intake valve until the pressure of the gas entering the molecular sieve meets the pressure requirement; after pressure satisfied oxygenerator's pressure demand, the gas pressure that needs stable entering molecular sieve this moment then opens discharge valve, outwards discharges partial gas continuously, makes air input and displacement keep invariable through the pressure regulating, reaches the purpose of stable pressure from this, and then ensures that oxygenerator's system oxygen ability is good, improves the concentration of oxygen.

3. The quantity of valves can set up the multiunit according to the actual demand to each valves all can carry out solitary pressure regulating, makes the atmospheric pressure adaptation of a valves output correspond the oxygenerator of pressure in certain demand, and the atmospheric pressure adaptation of another valves output corresponds the oxygenerator of pressure in another demand, so on and so on, thereby reaches the purpose of dislocation output, and then has improved the suitability of whole oxygenerator valve.

4. By adjusting the air input of the air inlet valve and the air output of the air outlet valve, the purposes of quick air inlet, slow air inlet, stable air inlet or independent air outlet can be achieved according to actual requirements, and the air inlet valve is more flexible in use.

5. Plug up the one end of interface channel and external intercommunication through sealed steel ball, ensure that the inside seal of oxygenerator is good, the condition of gas leakage can not appear, and then ensure pressure output's stability.

Drawings

FIG. 1 is a schematic structural diagram of the direct-acting oxygen-making valve of the present invention;

FIG. 2 is a schematic diagram of the structure of FIG. 1 from another perspective according to the present invention;

fig. 3 is a sectional view of an inlet channel, a connecting channel and an outlet channel of the direct acting oxygen valve of the present invention;

fig. 4 is a sectional view of the air inlet passage and the air inlet valve of the direct-acting oxygen generation valve of the present invention;

fig. 5 is a sectional view of the exhaust valve and the exhaust passage of the direct-acting oxygen valve of the present invention.

In the figure, 100, a bus bar; 101. a bus bar air inlet; 102. a collector plate air outlet; 103. a bus bar exhaust port; 110. an air intake passage; 120. an air outlet channel; 130. an exhaust passage; 140. a connecting channel; 150. sealing the steel balls; 200. a valve block; 210. an intake valve; 211. an air inlet valve inlet; 212. an air inlet valve air outlet; 220. an exhaust valve; 221. an exhaust valve air inlet; 222. and an air outlet of the exhaust valve.

Detailed Description

The following are specific embodiments of the present invention and the technical method of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the present invention provides a direct-acting oxygen valve, comprising:

the collecting plate 100 is provided with an air inlet channel 110, an air outlet channel 120, an air outlet channel 130 and a connecting channel 140, wherein the air inlet channel 110 is connected with an external compressor (not shown in the figure), the air outlet channel 120 is connected with an external oxygen generator molecular sieve (not shown in the figure), the compressor feeds air from the air inlet channel 110 inwards and outputs the air outwards into the oxygen generator molecular sieve, and the air in the collecting plate 100 can be discharged outwards through the air outlet channel 130.

The valve group 200, the number of which is at least one, the valve group 200 comprises an air inlet valve 210 and an air outlet valve 220, the air inlet valve 210 and the air outlet valve 220 are both connected with the collecting plate 100, the air inlet channel 110, the air inlet valve 210, the connecting channel 140, the air outlet valve 220 and the air outlet channel 130 are sequentially communicated, the air outlet channel 120 is communicated with the connecting channel 140, that is, when the oxygen generator needs to perform oxygen generation work, an external compressor is opened, compressed gas sequentially passes through the air inlet channel 110, the air inlet valve 210, the connecting channel 140 and the air outlet channel 120 and then enters a molecular sieve of the oxygen generator to perform oxygen generation work, after the oxygen generation work is finished, the air inlet valve 210 is closed, residual gas inside the whole oxygen generation valve can be discharged from the air outlet channel 130 by only opening the air outlet valve 220, the internal air pressure of the oxygen generation valve is ensured to be equal to the external air pressure, therefore, when the next oxygen generation work is performed, the purpose of zero-air-pressure starting can be achieved.

Just because the air inlet valve 210 and the air outlet valve 220 in this embodiment can be opened or closed independently, pressure can be continuously adjusted during the oxygen generation operation to meet the pressure requirement of the oxygen generator, for example: when the pressure entering the molecular sieve is insufficient, closing the exhaust valve 220, and only opening the intake valve 210 until the pressure of the gas entering the molecular sieve meets the pressure requirement; after the pressure meets the pressure requirement of the oxygen generator, the pressure of the gas which needs to enter the molecular sieve stably at the moment, the exhaust valve 220 is opened, and part of the gas is continuously discharged outwards, so that the air input and the air discharge are kept constant, the purpose of stabilizing the pressure is achieved, the oxygen generation capacity of the oxygen generator is ensured to be good, the concentration of oxygen is improved, meanwhile, the purposes of quick air inlet, slow air inlet, stable air inlet or independent air outlet can be achieved according to actual requirements by adjusting the air input of the air inlet valve 210 and the air discharge of the air outlet valve 220, and the oxygen generator is more flexible in use.

In addition, the quantity of valves 200 can set up the multiunit according to actual demand, in this embodiment, the quantity of valves 200 is preferred to be two sets of, and two valves 200 all can carry out solitary pressure regulating, thereby reach the purpose of dislocation output, that is to say, two valves 200 can export different atmospheric pressure respectively through the pressure regulating, thereby make the atmospheric pressure adaptation of a valves 200 output correspond the oxygenerator of pressure in certain demand, and the atmospheric pressure adaptation of another valves 200 output corresponds the oxygenerator of pressure in another demand, and then improved the suitability of whole oxygenerator.

Similarly, if the number of the valve banks 200 is provided with a plurality of groups, each valve bank 200 can also perform independent pressure regulation, thereby meeting the requirements of different oxygen generators.

Preferably, the intake valve 210 includes an intake valve inlet 211, an intake valve cavity (not shown), and an intake valve outlet 212, the intake valve inlet 211 is communicated with the intake valve outlet 212 through the intake valve cavity, and the gas enters the intake valve cavity from the intake valve inlet 211 and then flows out from the intake valve outlet 212.

Preferably, the exhaust valve 220 includes an exhaust valve inlet 221, an exhaust valve cavity and an exhaust valve outlet 222, wherein the exhaust valve inlet 221 is communicated with the exhaust valve outlet 222 through the exhaust valve cavity, and the gas enters the exhaust valve cavity from the exhaust valve inlet 221 and flows out from the exhaust valve outlet 222.

Preferably, the bus bar 100 is further provided with a bus bar air inlet 101, a bus bar air outlet 102 and a bus bar air outlet 103, two ends of the air inlet channel 110 are respectively communicated with the bus bar air inlet 101 and the air inlet valve air inlet 211, two ends of the air outlet channel 120 are respectively communicated with the connecting channel 140 and the bus bar air outlet 102, and two ends of the air outlet channel 130 are respectively communicated with the air outlet valve 222 and the bus bar air outlet 103.

Specifically, when the oxygen generator works, the air inlet valve 210 is opened, compressed gas is input from the manifold plate air inlet 101 by an external compressor, enters the molecular sieve of the oxygen generator for oxygen generation after sequentially passing through the air inlet channel 110, the air inlet valve air inlet 211, the air inlet valve air outlet 212, the connecting channel 140, the air outlet channel 120 and the manifold plate air outlet 102, and opens the exhaust valve 220 after the air pressure entering the molecular sieve reaches the pressure requirement of the oxygen generator, at this time, the compressed gas flows into the connecting channel 140 from the air inlet valve air outlet 212, part of the gas directly enters the molecular sieve through the air outlet channel 120 and the manifold plate air outlet 102, and the other part of the gas passes through the exhaust valve air inlet 221, the exhaust valve air outlet 222, the exhaust channel 130 and the manifold plate air outlet 103 from the connecting channel 140 and is exhausted outwards, so that the pressure of the gas entering the molecular sieve is kept in a stable state and meets the pressure requirement of the oxygen generator, thereby ensuring that the oxygen generating effect of the oxygen generator is good and obtaining high-purity oxygen.

Preferably, when the number of the valve sets 200 is plural, the air inlet valve 211 of each valve set 200 is individually communicated with the air inlet channel 110, and the air outlet valve 222 of each valve set 200 is individually communicated with the air outlet channel 130, that is, when air is supplied, external air enters the air inlet channel 110 from the manifold plate air inlet 101 and then is divided into several parts to enter the air inlet valve 211 of each valve set 200, at this time, if the pressure of each valve set 200 needs to be accurately regulated, only the exhaust amount of the air outlet valve 220 of each valve set 200 needs to be controlled, so that the air pressure output to the molecular sieve meets the required pressure value, and when air is exhausted, the air flowing out from the air outlet valve 222 of each valve set 200 is converged into the air outlet channel 130 and is exhausted from the manifold plate air outlet 103, therefore, after each oxygen generation operation is finished, only the air inlet valve 210 of each valve set 200 needs to be closed, meanwhile, the exhaust valve 220 is opened to perform exhaust operation, so that the gas in the whole oxygen making valve can be completely discharged outwards, and the aim of starting at zero pressure can be achieved when the oxygen making valve is used next time.

Preferably, still include sealed steel ball 150, it is placed in the one end that connecting channel 140 is close to the external world, blocks up the one end that connecting channel 140 and external world communicate through sealed steel ball 150, ensures that the inside leakproofness of oxygenerator is good, the condition of air leakage can not appear, and then ensures the stability of pressure output.

The technical means disclosed by the scheme of the utility model are not limited to the technical means disclosed by the technical means, and the technical means also comprises the technical scheme formed by any combination of the technical features. The foregoing is a detailed description of the utility model, and it should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principle of the utility model, and are intended to be within the scope of the utility model.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, four, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A direct-acting oxygen valve is characterized by comprising:

the cylinder manifold is provided with an air inlet channel, an air outlet channel, an exhaust channel and a connecting channel, wherein the air inlet channel is used for being connected with an external compressor, and the air outlet channel is used for being connected with an external molecular sieve;

2. The direct-acting oxygen valve according to claim 1, wherein the air inlet valve comprises an air inlet valve inlet, an air inlet valve cavity and an air inlet valve outlet, and the air inlet valve inlet is communicated with the air inlet valve outlet through the air inlet valve cavity.

3. The direct-acting oxygen valve according to claim 2, wherein the exhaust valve comprises an exhaust valve inlet, an exhaust valve cavity and an exhaust valve outlet, and the exhaust valve inlet is communicated with the exhaust valve outlet through the exhaust valve cavity.

4. A direct-acting oxygen-making valve according to claim 3, wherein the manifold plate is further provided with a manifold plate air inlet, and two ends of the air inlet channel are respectively communicated with the manifold plate air inlet and the air inlet valve air inlet.

5. A direct-acting oxygen-generating valve according to claim 3, wherein the flow-collecting plate is further provided with a flow-collecting plate air outlet, and two ends of the air outlet channel are respectively communicated with the connecting channel and the flow-collecting plate air outlet.

6. A direct-acting oxygen-generating valve according to claim 3, wherein the manifold plate is further provided with a manifold plate air outlet, and two ends of the air exhaust channel are respectively communicated with the air outlet of the exhaust valve and the air outlet of the manifold plate.

7. The direct-acting oxygen valve according to claim 3, wherein when the number of the valve groups is plural, each of the inlet valves communicates with the inlet passage, and each of the outlet valves communicates with the outlet passage.

8. The direct-acting oxygen valve according to claim 1, further comprising a sealing steel ball disposed in the connecting channel.