An electronic sieve oxygen production module and an electronic sieve oxygen production module

Abstract

The present invention relates to an electronic sieve oxygen production module and its electronic sieve oxygen production module, comprising an oxygen production box, an anode conductive plate and a cathode conductive plate; the oxygen production box has an oxygen production chamber, the anode conductive plate and the cathode conductive plate are respectively arranged in the oxygen production chamber, and are respectively immersed in an electrolyte, and the anode conductive plate and the cathode conductive plate are arranged in an intermittent manner; a composite layer is arranged on one side or both sides of the cathode conductive plate, and the cathode conductive plate and the composite layer together constitute an independent oxygen production membrane; the side surface of the cathode conductive plate provided with the composite layer is at least partially exposed to the oxygen production box to absorb oxygen in the air; the oxygen production box is provided with an air outlet channel connected to the oxygen production chamber; the power connection terminal on the anode conductive plate is led out of the oxygen production box and electrically connected to the anode of a power supply; the cathode conductive plate is electrically connected to the cathode of a power supply. The structure has the characteristics of simple design, reasonable structure, reliable performance, convenient use, modular setting, and strong versatility.

Description

Technical Field

[0001] The invention relates to an oxygen generator, in particular to an electronic sieve oxygen generator module and an electronic sieve oxygen generator module group thereof. Background Art

[0002] Chinese patent document No. CN2006201188273 disclosed a stacked integrated electrochemical oxygen production tank on May 30, 2007, and specifically disclosed that: it is formed by two clamping plates and a number of air electrodes, metal electrodes, sealing rings, functional frames and air chamber frames are sandwiched therein; the functional frame is placed in the middle of the oxygen production tank; the conductive mesh extending from the upper and lower or left and right corresponding sides of the air electrode is bent into a 90-degree angle and sandwiched between the adjacent metal electrode and the air chamber frame, thereby connecting all the cathodes and anodes except the two ends in series to form a whole; the functional frame is injection-molded by a polymer material, and a number of positioning screws for screws are evenly distributed on the outer edges around the functional frame. Bolt hole, there is a groove with the same width as the sealing ring on the inner edge around the functional frame, the sealing ring is laid flat on the groove surface, and there is a small groove with a certain depth on the outer edge of the groove that can be embedded in the ridge around the sealing ring; there is a lead for connecting the positive and negative poles of the DC power supply on the metal electrode at the far left and the air electrode at the far right; the air electrode is a porous gas diffusion electrode with a three-layer structure of a waterproof and breathable layer, a catalytic layer and a conductive mesh, and the conductive mesh on the corresponding two sides of the electrode extends outward for a certain length; there is a gas-liquid outlet or inlet at the top and bottom of the functional frame; there are several ventilation holes distributed on the upper and lower sides or left and right sides of the gas chamber frame in the direction parallel to the electrode. When assembling the oxygen production tank, it is necessary to determine the number of air electrodes and metal electrodes to be set according to the oxygen production requirements, which is very troublesome to operate, and the structure of the oxygen production tank is unreasonable, resulting in a large volume and affecting the oxygen production effect.

[0003] Therefore, further improvements are needed. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and to provide an electronic sieve oxygen production module and an electronic sieve oxygen production module thereof which has simple design, reasonable structure, reliable performance, convenient use, modular setting and strong versatility.

[0005] The object of the present invention is achieved in that:

[0006] An electronic sieve oxygen production module, characterized in that: it comprises an oxygen production box, at least one anode conductive plate and at least one cathode conductive plate; the oxygen production box has an oxygen production chamber for storing electrolyte, the anode conductive plate and the cathode conductive plate are respectively arranged in the oxygen production chamber, and are respectively at least partially immersed in the electrolyte, and the anode conductive plate and the cathode conductive plate are arranged in an intermittent manner; a waterproof and breathable composite layer is arranged on one side or both sides of the cathode conductive plate, and the cathode conductive plate and the composite layer together constitute an independent oxygen production membrane, so that oxygen in the air can pass through the composite layer to enter the oxygen production chamber, and the electrolyte cannot pass through the composite layer to penetrate out of the oxygen production chamber; the side surface of the cathode conductive plate provided with the composite layer is at least partially exposed to the oxygen production box to absorb oxygen in the air; the oxygen production box is provided with an air outlet channel connected to the oxygen production chamber; the power connection terminal on the anode conductive plate is led out of the oxygen production box and electrically connected to the anode of a power supply; the cathode conductive plate is electrically connected to the cathode of the power supply.

[0007] The anode conductive plate and / or cathode conductive plate are made of corrosion-resistant metal material, preferably nickel; the composite layer is made of polysulfone material, and has a plurality of sieve holes on the composite layer, the aperture of the sieve holes is larger than the oxygen molecules in the air and smaller than the water molecules in the electrolyte.

[0008] The oxygen-generating box comprises a front shell and a rear shell which are assembled with each other, an oxygen-generating membrane is assembled on the front shell and / or the rear shell, an adsorption port is arranged on the front shell and / or the rear shell corresponding to the oxygen-generating membrane, and the oxygen-generating membrane is exposed to the outside of the oxygen-generating box through the adsorption port; a groove for assembling the oxygen-generating membrane is arranged on the front shell and / or the rear shell.

[0009] The front shell is provided with an air outlet sleeve, and the air outlet channel is the inner cavity of the air outlet sleeve; the rear shell is provided with an air outlet baffle wall, and the outer side of the air outlet sleeve is at least partially wrapped by the air outlet baffle wall; the front shell is provided with a front recess, and the rear shell is provided with a rear recess, and the front recess and the rear recess together constitute an avoidance groove connected to the oxygen production chamber, and the power connection end on the anode conductive plate passes through the avoidance groove and is led out of the oxygen production box.

[0010] The air outlet sleeve is provided with a box body sealing sleeve, and the inner wall of the box body sealing sleeve is provided with an annular sealing convex rib; a sealing ring is provided between the power connection end and the avoidance groove, and the sealing ring is sleeved on the outer side of the power connection end.

[0011] A box body connecting column is provided on the assembly surface of the front shell, and a box body connecting sleeve corresponding to the box body connecting column is provided on the assembly surface of the rear shell; when the front shell and the rear shell are assembled with each other, the box body connecting column and the box body connecting sleeve are tightly plugged into each other; a box body sealing member is provided between the assembly surface of the front shell and the assembly surface of the rear shell.

[0012] An electronic sieve oxygen production module, characterized in that: it comprises two sets of the above-mentioned electronic sieve oxygen production modules, each electronic sieve oxygen production module is spliced ​​in sequence in an interval manner; the electronic sieve oxygen production module comprises two oxygen production membranes, the cathode conductive plates in the two oxygen production membranes are electrically connected to each other, the two cathode conductive plates are respectively arranged in an interval manner on the front side and the rear side of the anode conductive plate, and the sides of the two cathode conductive plates provided with the composite layer are respectively exposed to the front side and the rear side of the oxygen production box; the anode conductive plate in the upper set of electronic sieve oxygen production modules is electrically connected to any cathode conductive plate in the next set of electronic sieve oxygen production modules; the cathode conductive plate on the first set of electronic sieve oxygen production modules is electrically connected to the cathode of the power supply, and the anode conductive plate on the tail set of electronic sieve oxygen production modules is electrically connected to the anode of the power supply.

[0013] The electronic sieve oxygen production module includes a power connection plate, one end of which is electrically connected to the power connection end on the anode conductive plate, and the other end of the power connection plate is electrically connected to any cathode conductive plate in the next set of electronic sieve oxygen production modules. The anode conductive plate in the previous set of electronic sieve oxygen production modules is electrically connected to the cathode conductive plate in the next set of electronic sieve oxygen production modules through the power connection plate.

[0014] The oxygen production box is provided with a conductive column, which is electrically connected to the two cathode conductive plates in the same electronic sieve oxygen production module and the power connection plate in the previous set of electronic sieve oxygen production module, so that the power connection plate in the previous set of electronic sieve oxygen production module is electrically connected to the two cathode conductive plates in the next set of electronic sieve oxygen production module.

[0015] A module connection sleeve is provided on the front side of the oxygen production box, and a module connection column corresponding to the module connection sleeve is provided on the rear side; the module connection sleeve in the upper set of electronic screen oxygen production modules and the module connection column in the lower set of electronic screen oxygen production modules are plugged into each other to realize the mutual splicing of two adjacent electronic screen oxygen production modules.

[0016] The beneficial effects of the present invention are as follows:

[0017] By integrating the electrolytic oxygen production mechanism into an oxygen production box, the modular setting of the electronic sieve oxygen production module is realized. According to the required oxygen production volume, it is only necessary to increase or decrease the number of electronic sieve oxygen production modules, and there is no need to move the anode conductive plate and / or the cathode conductive plate, which effectively avoids damage and ensures the oxygen production performance. In addition, in the oxygen production module, there is a composite layer made of polysulfone material on the cathode conductive plate. The characteristics of the polysulfone material are used to achieve a waterproof and breathable effect, ensuring that the oxygen in the air can pass through the composite layer into the oxygen production box and dissolve in the electrolyte, while preventing the electrolyte in the oxygen production box from leaking out of the oxygen production box. In this structure, the adsorption surface (composite layer) on the oxygen production membrane is exposed to a large area of ​​the oxygen production box. Using oxygen in the air as a raw material, it can reliably, effectively and massively adsorb oxygen in the air, and then continuously prepare inhalable pure oxygen. The oxygen production volume is high, and the purity of the produced oxygen is extremely high, and the purity can reach more than 99%.

[0018] Several sets of electronic sieve oxygen production modules can be spliced ​​in sequence to form an electronic sieve oxygen production module. The oxygen production amount can be controlled by increasing or decreasing the number of spliced ​​electronic sieve oxygen production modules to meet the use needs of different users and the configuration requirements of different models. The splicing structure between the electronic sieve oxygen production modules is simple and reasonable, and the performance is reliable, so that the overall structure of the electronic sieve oxygen production module is stable and reliable, and the integrity is strong. The power connection plate on the electronic sieve oxygen production module can be electrically connected to the cathode conductive plate in the next set of electronic sieve oxygen production modules while each module is spliced, so that each electronic sieve oxygen production module can be connected in series, so that each electronic sieve oxygen production module can perform oxygen production operations simultaneously and synchronously. Under the premise of preparing an equal amount of oxygen, the manufacturing cost of this structure is lower than that of the traditional structure. The electronic sieve oxygen production module can be assembled with the oxygen generator body as a whole, which is convenient and quick to operate, convenient for subsequent maintenance work, and has good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an internal structure assembly diagram of an oxygen concentrator according to an embodiment of the present invention.

[0020] Figure 2 The figure is an exploded view of the internal structure of an oxygen concentrator according to an embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the assembly of the electronic sieve oxygen production module in one embodiment of the present invention.

[0022] Figure 4 1. An exploded view of an electronic sieve oxygen production module in one embodiment of the present invention.

[0023] Figure 5 FIG. 1 is a schematic assembly diagram of another aspect of the electronic sieve oxygen production module in one embodiment of the present invention.

[0024] Figure 6 This is an exploded view of another aspect of the electronic sieve oxygen production module in one embodiment of the present invention.

[0025] Figure 7 This is a front view of an electronic sieve oxygen production module in one embodiment of the present invention.

[0026] Figure 8 This is a rear view of an electronic sieve oxygen production module in one embodiment of the present invention.

[0027] Fig. 9 This is a top view of an electronic sieve oxygen production module in one embodiment of the present invention.

[0028] Fig.10 This is a bottom view of an electronic sieve oxygen production module in one embodiment of the present invention.

[0029] Fig.11 for Fig. 9 Sectional view along direction II.

[0030] Fig.12 for Fig. 9 Cross-sectional view along the JJ direction.

[0031] Fig.13 It is a partial cross-sectional view of an oxygen-generating membrane in one embodiment of the present invention.

[0032] Fig.14 and Fig.15 They are schematic diagrams of different orientations of two electronic sieve oxygen production modules spliced ​​together in one embodiment of the present invention. DETAILED DESCRIPTION

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] See also Figure 1-Figure 13 The electronic sieve oxygen production module comprises a flat oxygen production box, an anode conductive plate A3 and two cathode conductive plates A201; the oxygen production box has an oxygen production chamber A9 for storing electrolyte, the anode conductive plate A3 and the cathode conductive plate A201 are respectively arranged in the oxygen production chamber A9, and are respectively at least partially immersed in the electrolyte, and the two cathode conductive plates A201 are arranged at intervals on both sides of the anode conductive plate A3, and the electrolyte is electrolyzed water containing low concentration of sodium hydroxide or potassium hydroxide; waterproof and breathable composite layers A202 are respectively laid on both sides of the cathode conductive plate A201, and the cathode conductive plate A201 and the composite layer A202 together constitute an independent oxygen production membrane A2, The oxygen in the air can pass through the composite layer A202 to enter the oxygen production chamber A9, so that the oxygen can mix with the electrolyte to dissolve oxygen, and the electrolyte cannot pass through the composite layer A202 to seep out of the oxygen production chamber A9; the side of the cathode conductive plate A201 on which the composite layer A202 is arbitrarily laid is mostly exposed to the oxygen production box to contact the air to absorb the oxygen in the air; the oxygen production box is provided with an air outlet channel connected to the oxygen production chamber A9, and the prepared inhalable pure oxygen is transported to the next stage through the air outlet channel; the power terminal A301 on the anode conductive plate A3 is led out of the oxygen production box and electrically connected to the anode of the power supply, and the cathode conductive plate A201 is electrically connected to the cathode of the power supply, and the oxygen production operation can be carried out after power is turned on. During operation, the oxygen in the air passes through the composite layer to reach the surface of the cathode conductive plate A201 with a negative electrode, and an oxygen dissolving reaction occurs on the surface of the cathode conductive plate A201 under the action of the DC electric field, and then a reverse reaction occurs on the anode conductive plate A3 to produce pure oxygen, and the produced pure oxygen is transported to the next stage through the air outlet channel.

[0035] Further, see Fig.13 The anode conductive plate A3 and the cathode conductive plate A201 are made of corrosion-resistant nickel material. In addition, they can also be replaced by other metal materials; the composite layer A202 is made of polysulfone material, and there are a plurality of sieve holes A203 on the composite layer A202. The aperture of the sieve holes A203 is larger than the oxygen molecules O2 in the air and smaller than the water molecules H2O, NaOH molecules and KOH molecules in the electrolyte.

[0036] Furthermore, the oxygen-generating box includes a front shell A1 and a rear shell A4 assembled with each other, and the front shell A1 and the rear shell A4 are respectively integrally injection-molded from ABS material; the front shell A1 and the rear shell A4 are respectively assembled with oxygen-generating membranes A2, that is, the front and rear sides of the oxygen-generating box are both exposed with the oxygen-generating membrane A2 to increase the oxygen absorption area, the front shell A1 is provided with a front adsorption port A101 corresponding to the oxygen-generating membrane A2, and the rear shell A4 is provided with a rear adsorption port A401 corresponding to the oxygen-generating membrane A2, and the two oxygen-generating membranes A2 are exposed to the outside of the oxygen-generating box through the corresponding adsorption ports; the front shell A1 and the rear shell A4 are provided with an annular groove for assembling the oxygen-generating membrane A2, and the oxygen-generating membrane A2 is secondary injection-molded with the front shell A1 and the rear shell A4.

[0037] Furthermore, a cylindrical air outlet sleeve A104 is integrally injection-molded on the top of the front shell body A1, and the air outlet channel is the inner cavity of the air outlet sleeve A104. Compared with the traditional combined structure, this structure can more effectively ensure the sealing, integrity and stability of the air outlet channel; an air outlet baffle A404 corresponding to the air outlet sleeve A104 is integrally injection-molded on the top of the rear shell body A4. When the two shells are assembled, part of the outer side of the air outlet sleeve A104 is wrapped by the arc-shaped air outlet baffle A404, thereby making the structure of the air outlet sleeve A104 more stable and reliable; a front recess A108 is integrally injection-molded on the top of the front shell body A1, and a rear recess A408 is integrally injection-molded on the top of the rear shell body A4. The front recess A108 and the rear recess A408 together constitute an avoidance groove connected to the oxygen production chamber A9, and the power connection terminal A301 on the anode conductive plate A3 passes through the avoidance groove and leads out of the oxygen production box.

[0038] Furthermore, a box body sealing sleeve A7 is provided in the air outlet sleeve A104, and an annular sealing rib is provided on the inner wall of the box body sealing sleeve A7, and the connection sealing of the air outlet sleeve A104 can be ensured by the box body sealing sleeve A7; a sealing ring A5 is provided between the power connection terminal A301 and the avoidance groove, and the sealing ring A5 is sleeved on the outer side of the power connection terminal A301, and the sealing ring A5 can effectively prevent the electrolyte from overflowing from the avoidance groove.

[0039] Furthermore, a box body connecting column A103 is integrally injection-molded on the assembly surface of the front shell A1, and a box body connecting sleeve A403 corresponding to the box body connecting column A103 is integrally injection-molded on the assembly surface of the rear shell A4; when the front shell A1 and the rear shell A4 are assembled with each other, the box body connecting column A103 and the box body connecting sleeve A403 are tightly plugged into each other, with a simple structure and reliable assembly performance; a box body seal is provided between the assembly surface of the front shell A1 and the assembly surface of the rear shell A4 to improve the sealing of the oxygen generator box.

[0040] See also Figure 1 and Figure 2 , Fig.14 and Fig.15Each group of electronic sieve oxygen production modules A' includes six sets of the above-mentioned electronic sieve oxygen production modules A, and each electronic sieve oxygen production module A is spliced ​​in sequence in an interval manner to ensure that air enters the gap between each other, thereby increasing the oxygen absorption of each electronic sieve oxygen production module A; the electronic sieve oxygen production module A includes two oxygen production membranes A2, the cathode conductive plates A201 in the two oxygen production membranes A2 are electrically connected to each other, the two cathode conductive plates A201 are arranged in an interval manner on the front and rear sides of the anode conductive plate A3, and the sides of the two cathode conductive plates A201 provided with the composite layer A202 are respectively exposed to the front and rear sides of the oxygen production box; the anode conductive plate A3 in the upper set of electronic sieve oxygen production modules A is electrically connected to any cathode conductive plate A201 in the next set of electronic sieve oxygen production modules A; the cathode conductive plate A201 on the first set of electronic sieve oxygen production modules A is electrically connected to the cathode of the power supply, and the anode conductive plate A3 on the tail set of electronic sieve oxygen production modules A is electrically connected to the anode of the power supply.

[0041] Furthermore, the electronic sieve oxygen production module A includes a power connection plate A6, one end of which is electrically connected to the power connection terminal A301 on the anode conductive plate A3, and the other end of the power connection plate A6 is electrically connected to any cathode conductive plate A201 in the next set of electronic sieve oxygen production modules A. The anode conductive plate A3 in the previous set of electronic sieve oxygen production modules A is electrically connected to the cathode conductive plate A201 in the next set of electronic sieve oxygen production modules A through the power connection plate A6, thereby realizing the series connection of the electronic sieve oxygen production modules A. Specifically, a connecting screw sleeve A106 is integrally injection molded on the top of the front shell A1, and the power terminal A301 and the power terminal A6 are respectively fixed to the connecting screw sleeve A106 by screws, and the power terminal A301 and the power terminal A6 are crimped together to achieve electrical connection with each other; a front baffle wall A105 is integrally injection molded on the top of the front shell A1 corresponding to the connecting screw sleeve A106, and a front baffle wall A405 is integrally injection molded on the top of the rear shell A4 corresponding to the connecting screw sleeve A106. When the front and rear shells are assembled, the front and rear baffle walls together constitute a protective ring surrounding the connecting screw sleeve A106, and the avoidance groove is located on the inner side of the protective ring.

[0042] Furthermore, the oxygen production box is provided with a conductive column A8 that is inserted into the front and rear shells at the same time. The conductive column A8 is electrically connected to the two cathode conductive plates A201 in the same electronic sieve oxygen production module A and the power connection plate A6 in the previous set of electronic sieve oxygen production module A, so that the power connection plate A6 in the previous set of electronic sieve oxygen production module A is electrically connected to the two cathode conductive plates A201 in the next set of electronic sieve oxygen production module A. Specifically, the front shell A1 is provided with a front avoidance opening A110 at the assembly position corresponding to the conductive column A8, and the rear shell A4 is provided with a rear avoidance opening A410 at the assembly position corresponding to the conductive column A8. The oxygen production membrane A2 is partially exposed to the corresponding front avoidance opening A110 and rear avoidance opening A410, and the conductive column A8 is electrically connected to the two cathode conductive plates A201 by plugging.

[0043] Furthermore, a module connection sleeve A107 is integrally injection-molded on the front side of the oxygen production box, and a module connection column A407 corresponding to the module connection sleeve A107 is integrally injection-molded on the rear side; the module connection sleeve A107 in the upper set of electronic sieve oxygen production module A and the module connection column A407 in the lower set of electronic sieve oxygen production module A are plugged into each other to realize the mutual splicing of two adjacent electronic sieve oxygen production modules A.

[0044] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for illustrating the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An electronic sieve oxygen production module, characterized in that: The invention comprises an oxygen production box, at least one anode conductive plate (A3) and at least one cathode conductive plate (A201); the oxygen production box has an oxygen production chamber (A9) for storing electrolyte, the anode conductive plate (A3) and the cathode conductive plate (A201) are respectively arranged in the oxygen production chamber (A9), and are respectively at least partially immersed in the electrolyte, and the anode conductive plate (A3) and the cathode conductive plate (A201) are arranged in an intermittent manner; one side or both sides of the cathode conductive plate (A201) are provided with a waterproof and breathable composite layer (A201) 2), the cathode conductive plate (A201) and the composite layer (A202) together form an independent oxygen production membrane (A2); the side of the cathode conductive plate (A201) provided with the composite layer (A202) is at least partially exposed to the oxygen production box to absorb oxygen in the air; the oxygen production box is provided with an air outlet channel connected to the oxygen production chamber (A9); the power connection terminal (A301) on the anode conductive plate (A3) is led out of the oxygen production box and electrically connected to the anode of the power supply; the cathode conductive plate (A201) is electrically connected to the cathode of the power supply; The anode conductive plate (A3) and / or the cathode conductive plate (A201) are made of corrosion-resistant metal materials; the composite layer (A202) is made of polysulfone material, and the composite layer (A202) has a plurality of sieve holes (A203), the aperture of the sieve holes (A203) being larger than oxygen molecules (O2) in the air and smaller than water molecules (H2O) in the electrolyte; The oxygen-generating box comprises a front shell (A1) and a rear shell (A4) which are assembled with each other, an oxygen-generating membrane (A2) is assembled on the front shell (A1) and / or the rear shell (A4), and the front shell (A1) and / or the rear shell (A4) are provided with an adsorption port corresponding to the oxygen-generating membrane (A2), and the oxygen-generating membrane (A2) is exposed to the outside of the oxygen-generating box through the adsorption port; a groove for assembling the oxygen-generating membrane (A2) is arranged on the front shell (A1) and / or the rear shell (A4); The front shell (A1) is provided with an air outlet sleeve (A104), and the air outlet channel is the inner cavity of the air outlet sleeve (A104); the rear shell (A4) is provided with an air outlet baffle wall (A404), and the outer side of the air outlet sleeve (A104) is at least partially wrapped by the air outlet baffle wall (A404); the front shell (A1) is provided with a front recess (A108), and the rear shell (A4) is provided with a rear recess (A408), and the front recess (A108) and the rear recess (A408) together form an avoidance groove connected to the oxygen production chamber (A9), and the power connection terminal (A301) on the anode conductive plate (A3) passes through the avoidance groove and is led out of the oxygen production box; The air outlet sleeve (A104) is provided with a box body sealing sleeve (A7), and the inner wall of the box body sealing sleeve (A7) is provided with an annular sealing convex rib; a sealing ring (A5) is provided between the power connection end (A301) and the avoidance groove, and the sealing ring (A5) is sleeved on the outer side of the power connection end (A301); A box body connecting column (A103) is provided on the assembly surface of the front shell (A1), and a box body connecting sleeve (A403) corresponding to the box body connecting column (A103) is provided on the assembly surface of the rear shell (A4); when the front shell (A1) and the rear shell (A4) are assembled with each other, the box body connecting column (A103) and the box body connecting sleeve (A403) are tightly plugged into each other; and a box body sealing member is provided between the assembly surface of the front shell (A1) and the assembly surface of the rear shell (A4).

2. An electronic sieve oxygen production module, characterized in that: The invention comprises two or more sets of the electronic sieve oxygen production modules (A) as claimed in claim 1, wherein each electronic sieve oxygen production module (A) is spliced ​​in sequence in an interval manner; the electronic sieve oxygen production module (A) comprises two oxygen production membranes (A2), the cathode conductive plates (A201) in the two oxygen production membranes (A2) are electrically connected to each other, the two cathode conductive plates (A201) are arranged in an interval manner on the front side and the rear side of the anode conductive plate (A3), and the sides of the two cathode conductive plates (A201) provided with the composite layer (A202) are respectively exposed to the front side and the rear side of the oxygen production box; the anode conductive plate (A3) in the upper set of electronic sieve oxygen production modules (A) is electrically connected to any cathode conductive plate (A201) in the lower set of electronic sieve oxygen production modules (A); the cathode conductive plate (A201) on the first set of electronic sieve oxygen production modules (A) is electrically connected to the cathode of the power supply, and the anode conductive plate (A3) on the tail set of electronic sieve oxygen production modules (A) is electrically connected to the anode of the power supply.

3. The electronic sieve oxygen production module according to claim 2, characterized in that: The electronic sieve oxygen production module (A) comprises a power connection sheet (A6), one end of which is electrically connected to a power connection terminal (A301) on an anode conductive plate (A3), and the other end of which is electrically connected to any cathode conductive plate (A201) in a next set of electronic sieve oxygen production modules (A). The anode conductive plate (A3) in a previous set of electronic sieve oxygen production modules (A) is electrically connected to the cathode conductive plate (A201) in a next set of electronic sieve oxygen production modules (A) via the power connection sheet (A6).

4. The electronic sieve oxygen production module according to claim 2, characterized in that: The oxygen production box is provided with a conductive column (A8), which is respectively electrically connected to two cathode conductive plates (A201) in the same electronic sieve oxygen production module (A) and a power connection plate (A6) in a previous set of electronic sieve oxygen production modules (A), so that the power connection plate (A6) in the previous set of electronic sieve oxygen production modules (A) is respectively electrically connected to the two cathode conductive plates (A201) in the next set of electronic sieve oxygen production modules (A).

5. The electronic sieve oxygen production module according to claim 2, characterized in that: A module connection sleeve (A107) is provided on the front side of the oxygen production box, and a module connection column (A407) corresponding to the module connection sleeve (A107) is provided on the rear side; the module connection sleeve (A107) in the upper set of electronic sieve oxygen production modules (A) and the module connection column (A407) in the lower set of electronic sieve oxygen production modules (A) are plugged into each other to realize the mutual splicing of two adjacent electronic sieve oxygen production modules (A).

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