Oxygen production main machine and oxygen production equipment

Abstract

The utility model provides an oxygen generating main machine and oxygen generating equipment. The oxygen generating main machine comprises a first molecular sieve adsorption tower, a second molecular sieve adsorption tower, a gas storage tank and a control pipeline. The air storage tank comprises a tank body, a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe both penetrate through the tank body, a first air hole communicated with an inner cavity of the tank body is formed in the inner side wall of the first connecting pipe, and a first air outlet and a second air outlet are formed in the two ends of the first connecting pipe respectively. A second air hole communicated with the inner cavity of the tank body is formed in the inner side wall of the second connecting pipe, an air inlet is formed in one end of the second connecting pipe, and the other end is closed. The control pipeline is communicated with the first molecular sieve adsorption tower, the second molecular sieve adsorption tower, the gas inlet and the first gas outlet. An oxygen buffer tower is omitted, so that the overall occupied area of the oxygen generation main machine is reduced, the production cost, the transportation cost and the maintenance cost of the oxygen generation main machine are saved, and popularization and application of the oxygen generation main machine are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen production, in particular to an oxygen production host and oxygen production equipment. Background Art

[0002] Oxygen generators usually use molecular sieve adsorption, which has achieved a high level in oxygen production efficiency, purity and stability. However, in the oxygen generators in the prior art, especially in large medical and industrial equipment, the molecular sieve adsorption tower is connected to the oxygen tank through an oxygen buffer tower, which makes the overall volume of the device large and occupies a large area, which not only increases the space pressure of the use site, but also increases the manufacturing cost, transportation cost and maintenance cost, which is not conducive to promotion and application. Utility Model Content

[0003] Based on this, it is necessary to provide an oxygen generator and oxygen generator equipment to address the problems that the oxygen generator in the prior art is bulky, occupies a large area, and is not conducive to promotion and application.

[0004] The technical solution is as follows:

[0005] On the one hand, an oxygen generator is provided, comprising:

[0006] The first molecular sieve adsorption tower;

[0007] A second molecular sieve adsorption tower;

[0008] A gas storage tank, the gas storage tank comprising a tank body, a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are both arranged through the tank body, the inner side wall of the first connecting pipe is provided with a first air hole communicating with the inner cavity of the tank body, the two ends of the first connecting pipe are respectively arranged with a first air outlet and a second air outlet, the inner side wall of the second connecting pipe is provided with a second air hole communicating with the inner cavity of the tank body, one end of the second connecting pipe is arranged with an air inlet, and the other end is closed;

[0009] A control pipeline is connected to the first molecular sieve adsorption tower, the second molecular sieve adsorption tower, the air inlet and the first air outlet, so as to control the first molecular sieve adsorption tower and the second molecular sieve adsorption tower to perform adsorption or analysis.

[0010] The technical solution is further described below:

[0011] In one embodiment, the oxygen generator further includes a base, the first molecular sieve adsorption tower and the second molecular sieve adsorption tower are spaced apart from each other on the base, and the tank is disposed between the first molecular sieve adsorption tower and the second molecular sieve adsorption tower.

[0012] In one embodiment, the oxygen generator main unit further includes a mounting component, the tank body is disposed on the mounting component, the mounting component is located between the first molecular sieve adsorption tower and the second molecular sieve adsorption tower, and is detachably mounted on the base.

[0013] In one embodiment, the first molecular sieve adsorption tower and the second molecular sieve adsorption tower are both located on the same side of the tank body, so that the first molecular sieve adsorption tower, the second molecular sieve adsorption tower and the tank body are centrally arranged.

[0014] In one embodiment, the axis of the first connecting pipe and the axis of the second connecting pipe are both arranged parallel to the horizontal plane;

[0015] And / or, the first connecting pipe and the second connecting pipe are arranged at intervals in the vertical direction.

[0016] In one embodiment, one end of the second connecting pipe away from the air inlet is set as a closed end, and the oxygen generator further comprises a blocking member, which is detachably mounted on the closed end to seal the closed end.

[0017] In one embodiment, the inner side wall of the closed end is provided with an internal thread, and the outer side wall of the blocking member is provided with an external thread, and the external thread is threadably connected to the internal thread.

[0018] In one embodiment, the control pipeline includes a first pipeline, a second pipeline, a first control valve, a second control valve, a third control valve, a fourth control valve, a fifth control valve and a sixth control valve, the first pipeline includes a first branch, a second branch and a third branch that are interconnected, the first branch is connected to the first gas outlet, the first control valve is arranged on the first branch, the second branch is connected to the first molecular sieve adsorption tower, the second control valve is arranged on the second branch, the third branch is connected to the second molecular sieve adsorption tower, the third control valve is arranged on the third branch, the second pipeline includes a fourth branch, a fifth branch and a sixth branch that are interconnected, the fourth branch is connected to the gas inlet, the fourth control valve is arranged on the fourth branch, the fifth branch is connected to the first molecular sieve adsorption tower, the fifth control valve is arranged on the fifth branch, the sixth branch is connected to the second molecular sieve adsorption tower, and the sixth control valve is arranged on the sixth branch.

[0019] In one embodiment, the oxygen generator further includes an outlet valve, and the outlet valve is installed on the second gas outlet.

[0020] On the other hand, an oxygen production device is provided, comprising the oxygen production host.

[0021] In the oxygen production host and oxygen production equipment in the above-mentioned embodiments, when the first molecular sieve adsorption tower is performing adsorption, the control pipeline controls the first molecular sieve adsorption tower to be connected with the air inlet, and the first molecular sieve adsorption tower is isolated from the first air outlet, so that the oxygen produced by the first molecular sieve adsorption tower enters the first connecting pipe through the air inlet, and is buffered by the first connecting pipe before entering the tank body for storage; at the same time, the control pipeline controls the second molecular sieve adsorption tower to be isolated from the air inlet, and the second molecular sieve adsorption tower is connected with the first air outlet, so that the oxygen in the gas storage tank can enter the second molecular sieve adsorption tower through the second connecting pipe and the control pipeline, so that the second molecular sieve adsorption tower can perform analysis. When the second molecular sieve adsorption tower is adsorbing, the control pipeline controls the second molecular sieve adsorption tower to be connected with the air inlet, and the second molecular sieve adsorption tower is isolated from the first air outlet, so that the oxygen produced by the second molecular sieve adsorption tower enters the first connecting pipe through the air inlet, and is buffered by the first connecting pipe before entering the tank body for storage; at the same time, the control pipeline controls the first molecular sieve adsorption tower to be isolated from the air inlet, and the first molecular sieve adsorption tower is connected with the first air outlet, so that the oxygen in the gas storage tank can enter the first molecular sieve adsorption tower through the second connecting pipe and the control pipeline, so that the first molecular sieve adsorption tower can be analyzed, ensuring that the oxygen generator can continuously produce oxygen. Compared with the oxygen generator in the prior art, the present application cancels the oxygen buffer tower, so that the overall footprint of the oxygen generator is reduced, the production cost, transportation cost and maintenance cost of the oxygen generator are saved, and it is conducive to the promotion and application of the oxygen generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application.

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 The figure is a schematic diagram of the structure of an oxygen generator according to an embodiment of the present invention.

[0025] Figure 2 for Figure 1 Cross-sectional view of the oxygen generator.

[0026] Figure 3 for Figure 1 Schematic diagram of the oxygen generator structure from another perspective.

[0027] Description of reference numerals:

[0028] 10. Oxygen generator; 100. First molecular sieve adsorption tower; 200. Second molecular sieve adsorption tower; 300. Gas storage tank; 310. Tank body; 320. First connecting pipe; 321. First gas outlet; 322. Second gas outlet; 330. Second connecting pipe; 331. Gas inlet; 332. Closed end; 400. Control pipeline; 401. First control valve; 402. Second control valve; 403. Third control valve; 404. Fourth control valve; 405. Fifth control valve; 406. Sixth control valve; 407. First branch; 408. Second branch; 409. Third branch; 410. Fourth branch; 411. Fifth branch; 412. Sixth branch; 500. Base; 600. Mounting piece; 700. Blocking piece; 800. Outlet valve. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0030] like Figure 1 and Figure 2 As shown, in one embodiment, an oxygen generator 10 is provided, comprising a first molecular sieve adsorption tower 100, a second molecular sieve adsorption tower 200, a gas storage tank 300 and a control pipeline 400. The gas storage tank 300 comprises a tank body 310, a first connecting pipe 320 and a second connecting pipe 330, both of which are penetrated through the tank body 310, the inner side wall of the first connecting pipe 320 is provided with a first air hole communicating with the inner cavity of the tank body 310, the two ends of the first connecting pipe 320 are respectively provided with a first air outlet 321 and a second air outlet 322, the inner side wall of the second connecting pipe 330 is provided with a second air hole communicating with the inner cavity of the tank body 310, one end of the second connecting pipe 330 is provided with an air inlet 331, and the other end is closed. The control line 400 is connected to the first molecular sieve adsorption tower 100 , the second molecular sieve adsorption tower 200 , the air inlet 331 and the first air outlet 321 , so as to control the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200 to perform adsorption or analysis.

[0031] In the oxygen generator 10 in the above embodiment, when the first molecular sieve adsorption tower 100 is performing adsorption, the control pipeline 400 controls the first molecular sieve adsorption tower 100 to be connected with the air inlet 331, and the first molecular sieve adsorption tower 100 is isolated from the first air outlet 321, so that the oxygen produced by the first molecular sieve adsorption tower 100 enters the first connecting pipe 320 through the air inlet 331, and enters the tank body 310 for storage after being buffered by the first connecting pipe 320; at the same time, the control pipeline 400 controls the second molecular sieve adsorption tower 200 to be isolated from the air inlet 331, and the second molecular sieve adsorption tower 200 is connected with the first air outlet 321, so that the oxygen in the gas storage tank 300 can enter the second molecular sieve adsorption tower 200 through the second connecting pipe 330 and the control pipeline 400, so that the second molecular sieve adsorption tower 200 can perform analysis. When the second molecular sieve adsorption tower 200 is performing adsorption, the control pipeline 400 controls the second molecular sieve adsorption tower 200 to be connected with the air inlet 331, and the second molecular sieve adsorption tower 200 is isolated from the first air outlet 321, so that the oxygen produced by the second molecular sieve adsorption tower 200 enters the first connecting pipe 320 through the air inlet 331, and enters the tank body 310 for storage after being buffered by the first connecting pipe 320; at the same time, the control pipeline 400 controls the first molecular sieve adsorption tower 100 to be isolated from the air inlet 331, and the first molecular sieve adsorption tower 100 is connected with the first air outlet 321, so that the oxygen in the gas storage tank 300 can enter the first molecular sieve adsorption tower 100 through the second connecting pipe 330 and the control pipeline 400, so that the first molecular sieve adsorption tower 100 can be analyzed, ensuring that the oxygen generator 10 can continuously produce oxygen. Compared with the oxygen generator in the prior art, the present application cancels the oxygen buffer tower, so that the overall footprint of the oxygen generator 10 is reduced, the production cost, transportation cost and maintenance cost of the oxygen generator 10 are saved, and it is conducive to the promotion and application of the oxygen generator 10.

[0032] The number and installation positions of the first air holes and the second air holes can be flexibly adjusted according to actual use needs. For example, the number of the first air holes and the number of the second air holes are at least one, and each of the first air holes is arranged in a circular array on the first connecting tube 320, and each of the second air holes is arranged in a circular array on the second connecting tube 330.

[0033] Specifically in this embodiment, the control pipeline 400 can be connected to the first molecular sieve adsorption tower 100, the second molecular sieve adsorption tower 200, the air inlet 331 and the first air outlet 321 by screw connection, card connection, plug connection or other detachable connection methods. In this way, the convenience of assembly and maintenance of the oxygen generator 10 is improved.

[0034] Specifically in this embodiment, the oxygen generator 10 further includes a pressure gauge and a pressure relief valve, and the pressure gauge and the pressure relief valve are both connected to the tank body 310 accordingly.

[0035] like Figure 1 and Figure 2 As shown, further, the oxygen generator 10 further includes a base 500, the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200 are arranged on the base 500 at intervals, and the tank body 310 is arranged between the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200. In this way, the gas storage tank 300 is placed inside the oxygen generator 10, saving the external space for placing the gas storage tank 300, and reducing the overall footprint of the oxygen generator 10.

[0036] In other embodiments, the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200 are both located on the same side of the tank body 310, so that the first molecular sieve adsorption tower 100, the second molecular sieve adsorption tower 200 and the tank body 310 are centrally arranged. In this way, the distance between the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200 is shortened, thereby achieving the same effect of saving the overall floor space.

[0037] like Figure 1 and Figure 2 As shown, optionally, the oxygen generator 10 further includes a mounting member 600, the tank body 310 is disposed on the mounting member 600, the mounting member 600 is located between the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200, and is detachably mounted on the base 500. In this way, the gas storage tank 300 can be pre-installed on the mounting member 600 externally, and then the gas storage tank 300 is installed between the first molecular sieve adsorption tower 100 and the second molecular sieve adsorption tower 200 through the mounting member 600, thereby improving the convenience of assembly and maintenance of the oxygen generator 10.

[0038] The mounting member 600 may be provided with a mounting plate, a mounting seat, a mounting frame or other mounting structures. The mounting member 600 may be mounted on the base 500 by screw connection, card connection, plug connection or other detachable connection methods.

[0039] like Figure 2 As shown, in one embodiment, the axis of the first connecting pipe 320 and the axis of the second connecting pipe 330 are both arranged parallel to the horizontal plane. In this way, the assembly and communication between the gas storage tank 300 and the control pipeline 400 are facilitated.

[0040] Optionally, the first connecting pipe 320 and the second connecting pipe 330 are arranged at intervals in the vertical direction. In this way, it is ensured that the first connecting pipe 320 does not affect the oxygen entering the tank body 310, and the second connecting pipe 330 does not affect the oxygen output in the tank body 310, thereby improving the reliability of the oxygen generator 10.

[0041] like Figure 1 and Figure 2As shown, optionally, one end of the second connecting pipe 330 away from the air inlet 331 is set as a closed end 332, and the oxygen concentrator 10 further includes a plugging member 700, which is detachably mounted on the closed end 332 to seal the closed end 332. In this way, either end of the second connecting pipe 330 can be used as an air outlet, which facilitates the assembly between the control pipeline 400 and the air inlet 331.

[0042] The blocking member 700 may be configured as a blocking plug, a blocking sleeve or other blocking structures. The blocking member 700 may be installed at the closed end 332 by screwing, snapping, plugging or other detachable connection methods.

[0043] Specifically in this embodiment, the inner wall of the closed end 332 is provided with an internal thread, and the outer wall of the blocking member 700 is provided with an external thread, and the external thread is threadedly connected with the internal thread. In this way, the convenience of assembling the oxygen generator 10 is improved. In other embodiments, the control pipeline 400 and the air inlet 331, and the control pipeline 400 and the first air outlet 321 are connected by screw connection.

[0044] like Figure 1 and Figure 3As shown, in one embodiment, the control pipeline 400 includes a first pipeline, a second pipeline, a first control valve 401, a second control valve 402, a third control valve 403, a fourth control valve 404, a fifth control valve 405 and a sixth control valve 406, the first pipeline includes a first branch 407, a second branch 408 and a third branch 409 that are interconnected, the first branch 407 is connected to the first gas outlet 321, the first control valve 401 is arranged on the first branch 407, the second branch 408 is connected to the first molecular sieve adsorption tower 100, and the second control valve 402 is arranged on the second branch 408. The third branch 409 is connected to the second molecular sieve adsorption tower 200, the third control valve 403 is arranged on the third branch 409, the second pipeline includes a fourth branch 410, a fifth branch 411 and a sixth branch 412 which are connected to each other, the fourth branch 410 is connected to the air inlet 331, the fourth control valve 404 is arranged on the fourth branch 410, the fifth branch 411 is connected to the first molecular sieve adsorption tower 100, the fifth control valve 405 is arranged on the fifth branch 411, the sixth branch 412 is connected to the second molecular sieve adsorption tower 200, and the sixth control valve 406 is arranged on the sixth branch 412. In this way, when the first molecular sieve adsorption tower 100 is performing adsorption, the first control valve 401, the third control valve 403, the fourth control valve 404 and the fifth control valve 405 are opened, and the second control valve 402 and the sixth control valve 406 are closed, so that the oxygen produced by the first molecular sieve adsorption tower 100 enters the first connecting pipe 320 through the fifth branch 411, the fourth branch 410 and the air inlet 331, and enters the tank body 310 for storage after being buffered by the first connecting pipe 320; at the same time, the oxygen in the gas storage tank 300 can enter the second molecular sieve adsorption tower 200 through the second connecting pipe 330, the first branch 407 and the third branch 409, so that the second molecular sieve adsorption tower 200 can perform analysis. When the second molecular sieve adsorption tower 200 is performing adsorption, the first control valve 401, the second control valve 402, the fourth control valve 404 and the sixth control valve 406 are opened, and the third control valve 403 and the fifth control valve 405 are closed, so that the oxygen produced by the second molecular sieve adsorption tower 200 enters the first connecting pipe 320 through the sixth branch 412, the fourth branch 410 and the air inlet 331, and enters the tank body 310 for storage after being buffered by the first connecting pipe 320; at the same time, the oxygen in the gas storage tank 300 can enter the first molecular sieve adsorption tower 100 through the second connecting pipe 330, the first branch 407 and the second branch 408, so that the first molecular sieve adsorption tower 100 can perform analysis, ensuring that the oxygen generator 10 can continuously produce oxygen.

[0045] like Figure 1 and Figure 2As shown, optionally, the oxygen generator 10 further includes an outlet valve 800, which is installed on the second gas outlet 322. In this way, the outlet valve 800 is used to communicate with an external device so that the tank 310 can provide oxygen to the external device, thereby improving the practicality of the oxygen generator 10.

[0046] Specifically in this embodiment, the outlet valve 800 is connected to the second air outlet 322 by screw connection.

[0047] In one embodiment, an oxygen production device is provided, comprising the oxygen production host 10 in any one of the above embodiments.

[0048] In the oxygen production equipment in the above embodiment, when the first molecular sieve adsorption tower 100 is performing adsorption, the control pipeline 400 controls the first molecular sieve adsorption tower 100 to be connected with the air inlet 331, and the first molecular sieve adsorption tower 100 is isolated from the first air outlet 321, so that the oxygen produced by the first molecular sieve adsorption tower 100 enters the first connecting pipe 320 through the air inlet 331, and enters the tank body 310 for storage after being buffered by the first connecting pipe 320; at the same time, the control pipeline 400 controls the second molecular sieve adsorption tower 200 to be isolated from the air inlet 331, and the second molecular sieve adsorption tower 200 is connected with the first air outlet 321, so that the oxygen in the gas storage tank 300 can enter the second molecular sieve adsorption tower 200 through the second connecting pipe 330 and the control pipeline 400, so that the second molecular sieve adsorption tower 200 can perform analysis. When the second molecular sieve adsorption tower 200 is performing adsorption, the control pipeline 400 controls the second molecular sieve adsorption tower 200 to be connected with the air inlet 331, and the second molecular sieve adsorption tower 200 is isolated from the first air outlet 321, so that the oxygen produced by the second molecular sieve adsorption tower 200 enters the first connecting pipe 320 through the air inlet 331, and enters the tank body 310 for storage after being buffered by the first connecting pipe 320; at the same time, the control pipeline 400 controls the first molecular sieve adsorption tower 100 to be isolated from the air inlet 331, and the first molecular sieve adsorption tower 100 is connected with the first air outlet 321, so that the oxygen in the gas storage tank 300 can enter the first molecular sieve adsorption tower 100 through the second connecting pipe 330 and the control pipeline 400, so that the first molecular sieve adsorption tower 100 can be analyzed, ensuring that the oxygen production equipment can continuously produce oxygen. Compared with the oxygen generator 10 in the prior art, the present application cancels the oxygen buffer tower, so that the overall footprint of the oxygen generator 10 is reduced, the production cost, transportation cost and maintenance cost of the oxygen generator 10 are saved, and it is conducive to the promotion and application of oxygen production equipment.

[0049] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0050] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0052] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0054] It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted as including an error range, which should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" may mean within one or more standard deviations, which are not limited here.

[0055] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An oxygen generator, characterized in that: include: The first molecular sieve adsorption tower; A second molecular sieve adsorption tower; A gas storage tank, the gas storage tank comprising a tank body, a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are both arranged through the tank body, the inner side wall of the first connecting pipe is provided with a first air hole communicating with the inner cavity of the tank body, the two ends of the first connecting pipe are respectively arranged with a first air outlet and a second air outlet, the inner side wall of the second connecting pipe is provided with a second air hole communicating with the inner cavity of the tank body, one end of the second connecting pipe is arranged with an air inlet, and the other end is closed; A control pipeline is connected to the first molecular sieve adsorption tower, the second molecular sieve adsorption tower, the air inlet and the first air outlet, so as to control the first molecular sieve adsorption tower and the second molecular sieve adsorption tower to perform adsorption or analysis.

2. The oxygen generator according to claim 1, characterized in that: The oxygen generator further comprises a base, the first molecular sieve adsorption tower and the second molecular sieve adsorption tower are arranged on the base at intervals, and the tank body is arranged between the first molecular sieve adsorption tower and the second molecular sieve adsorption tower.

3. The oxygen generator according to claim 2, characterized in that: The oxygen generator main unit further comprises a mounting part, the tank body is arranged on the mounting part, the mounting part is located between the first molecular sieve adsorption tower and the second molecular sieve adsorption tower, and is detachably mounted on the base.

4. The oxygen generator according to claim 1, characterized in that: The first molecular sieve adsorption tower and the second molecular sieve adsorption tower are both located on the same side of the tank body, so that the first molecular sieve adsorption tower, the second molecular sieve adsorption tower and the tank body are centrally arranged.

5. The oxygen generator according to any one of claims 1 to 4, characterized in that: The axis of the first connecting pipe and the axis of the second connecting pipe are both arranged parallel to the horizontal plane; And / or, the first connecting pipe and the second connecting pipe are arranged at intervals in the vertical direction.

6. The oxygen generator according to any one of claims 1 to 4, characterized in that: One end of the second connecting pipe away from the air inlet is set as a closed end, and the oxygen generator main unit also includes a blocking member, which is detachably mounted on the closed end to seal the closed end.

7. The oxygen generator according to claim 6, characterized in that: The inner side wall of the closed end is provided with an internal thread, and the outer side wall of the blocking member is provided with an external thread, and the external thread is threadably connected with the internal thread.

8. The oxygen generator according to any one of claims 1 to 4, characterized in that: The control pipeline includes a first pipeline, a second pipeline, a first control valve, a second control valve, a third control valve, a fourth control valve, a fifth control valve and a sixth control valve. The first pipeline includes a first branch, a second branch and a third branch that are interconnected. The first branch is connected to the first gas outlet. The first control valve is arranged on the first branch. The second branch is connected to the first molecular sieve adsorption tower. The second control valve is arranged on the second branch. The third branch is connected to the second molecular sieve adsorption tower. The third control valve is arranged on the third branch. The second pipeline includes a fourth branch, a fifth branch and a sixth branch that are interconnected. The fourth branch is connected to the gas inlet. The fourth control valve is arranged on the fourth branch. The fifth branch is connected to the first molecular sieve adsorption tower. The fifth control valve is arranged on the fifth branch. The sixth branch is connected to the second molecular sieve adsorption tower. The sixth control valve is arranged on the sixth branch.

9. The oxygen generator according to claim 8, characterized in that: The oxygen generator main unit further includes an outlet valve, and the outlet valve is installed on the second gas outlet.

10. An oxygen production equipment, characterized in that: It comprises the oxygen generator as described in any one of claims 1 to 9.

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