Modularized oxygen generator

Abstract

The invention relates to the technical field of oxygen generation equipment, and discloses a modular oxygen generator, which comprises a main frame module, a main support, an oxygen storage tank arranged in the main support, and a control assembly; the compressor module is located on one side of the main support and detachably connected with the main support in a sliding mode through a first detachable structure. The molecular sieve module is positioned on the other side of the main bracket and is detachably connected with the main bracket in a sliding manner through a second dismounting structure; and the battery module is positioned on the lower side of the main bracket and is detachably connected with the main bracket in a sliding manner through a third detachable structure. According to the modularized oxygen generator, through the modularized design, the compressor module, the molecular sieve module and the battery module can be independently mounted and quickly dismounted, so that the independence of each functional module is improved, and the maintenance and replacement operation of the oxygen generator is greatly simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oxygen production equipment, and particularly relates to a modular oxygen generator. BACKGROUND

[0002] At present, a household oxygen generator mainly relies on an air compressor to compress air, and separates and extracts oxygen from the air through a molecular sieve to provide relatively pure oxygen for household use. In a common product form of a household oxygen generator, a molecular sieve tank and an air compressor, as core components, are integrated in the equipment. However, this integrated design has some disadvantages, especially the service life of the molecular sieve is crucial to the performance of the oxygen generator, and once the molecular sieve is aged or fails, the user often needs to replace the entire equipment, which not only increases the use cost, but also limits the maintainability and sustainability of the equipment.

[0003] In the patent with the publication number CN210656150U, an oxygen generator is disclosed, which has a detachable module that can be detached from the main body of the oxygen generator. The design integrates the compressor and the molecular sieve tank in the detachable module, so that when the molecular sieve tank or the compressor needs to be replaced or maintained, the detachable module can be detached from the main body of the oxygen generator to realize individual replacement or maintenance. This design solves the problems of difficult maintenance and high use cost of the oxygen generator to some extent. However, in the above-mentioned scheme, since the molecular sieve tank and the compressor share one detachable module, when it is necessary to replace the molecular sieve tank or the compressor individually, the entire module still needs to be detached, which leads to complicated disassembly and assembly operations and is not convenient for users to perform more detailed maintenance. SUMMARY

[0004] Based on the technical problems in the prior art, the present application provides a modular oxygen generator, which realizes efficient integration and independent detachability of each functional module, thereby improving the maintainability of the equipment and reducing the use cost.

[0005] The present application provides a modular oxygen generator, comprising: a main frame module, including a main support, an oxygen storage tank arranged in the main support, and a control assembly; a compressor module located on one side of the main support and detachably connected with the main support through a first detachable structure; a molecular sieve module located on the other side of the main support and detachably connected with the main support through a second detachable structure; a battery module located on the lower side of the main support and detachably connected with the main support through a third detachable structure; The compressor module, the molecular sieve module and the battery module are respectively electrically connected with the main frame module through an electrical connection structure; The main frame module is provided with a compressor air outlet seat for docking with the air outlet of the compressor module and a molecular sieve air inlet and outlet seat for docking with the air inlet and outlet of the molecular sieve module, and the compressor air outlet seat, the molecular sieve air inlet and outlet seat and the oxygen storage tank are sequentially connected by pipelines to realize gas path communication.

[0006] The application also provides a modular oxygen generator, comprising: a main support; a compressor module and a molecular sieve module, at least one of the compressor module and the molecular sieve module being slidably detachably connected with the main support; a locking / unlocking mechanism configured to lock or unlock the slidable detachable state of the compressor module and / or the molecular sieve module; a battery module located at the bottom of the main support, the installed battery module shielding the locking / unlocking mechanism.

[0007] Compared with the prior art, the application has the following advantages and positive effects: The modular oxygen generator has the advantages of modular design, independent installation and quick disassembly of the compressor module, the molecular sieve module and the battery module, improved independence of each functional module, greatly simplified maintenance and replacement operation of the oxygen generator, reduced maintenance cost and downtime, and improved long-term use stability of the oxygen generator. BRIEF DESCRIPTION OF DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0009] Figure 1 a perspective view of the modular oxygen generator in one or more embodiments of the application; Figure 2 a perspective view of the modular oxygen generator in one or more embodiments of the application from another angle; Figure 3 a state diagram of the battery module disassembly in the modular oxygen generator in one or more embodiments of the application; Figure 4 a disassembly schematic diagram of each functional module in the modular oxygen generator in one or more embodiments of the application; Figure 5This is a perspective view of the modular oxygen generator from a bottom angle, after the battery module has been removed in one or more embodiments of the present invention. Figure 6 This is a perspective view of the main frame module in a modular oxygen generator according to one or more embodiments of the present invention; Figure 7 This is a perspective view of the main frame module in a modular oxygen generator according to one or more embodiments of the present invention. Figure 8 A three-dimensional view of the compressor module in a modular oxygen generator according to one or more embodiments of the present invention. Figure 2 ; Figure 9 This is a perspective view of the compressor module in a modular oxygen generator according to one or more embodiments of the present invention; Figure 10 This is a perspective view of the compressor module in a modular oxygen generator according to one or more embodiments of the present invention, shown from a top view. Figure 11 This is a perspective view of the compressor module in a modular oxygen generator according to one or more embodiments of the present invention, shown from a bottom-up view. Figure 12 This is a longitudinal cross-sectional view of a modular oxygen generator in some embodiments of the present invention; Figure 13 for Figure 12 Enlarged view at point II; Figure 14 This is a perspective view of the molecular sieve module in a modular oxygen generator in some other embodiments of the present invention; Figure 15 for Figure 14 Longitudinal cross-sectional view of a modular oxygen generator; Figure 16 for Figure 15 Enlarged view of section III in the middle; Figure 17 This is a longitudinal cross-sectional view of a modular oxygen generator in some other embodiments of the present invention; Figure 18 for Figure 17 A schematic diagram of the molecular sieve fastener structure in the diagram; Figure 19 This is a schematic diagram of the battery module in a modular oxygen generator according to one or more embodiments of the present invention. Figure 20 This is a cross-sectional view of a modular oxygen generator according to one or more embodiments of the present invention; Figure 21 for Figure 20 Enlarged view at point I; Figure 22 An exploded view of the quick-release components in the battery module; Figure 23 Figure 8 is a cross-sectional view of the main frame module of the modular oxygen generator of one or more embodiments of the application, showing the auxiliary oxygen storage tank; Figure 24 Figure 9 is a perspective view of the main frame module of one or more embodiments of the application; Figure 25 Figure 10 is a perspective view of the compressor module of one or more embodiments of the application; Figure 26 , Figure 27 and Figure 28 are schematic views of the compressor module structure after removal of the compressor housing from different perspectives; Figure 29 Figure 12 is a perspective view of the sound dampening cover of one or more embodiments of the application; Figure 30 and Figure 31 are perspective views of the compressor bottom housing of one or more embodiments of the application from different perspectives; Figure 32 and Figure 33 are bottom and top views of the compressor bottom housing of one or more embodiments of the application; Figure 34 and Figure 35 are perspective views of the molecular sieve module of one or more embodiments of the application after removal of the molecular sieve housing; Figure 36 is a schematic view of the connection structure of the gas distribution valve and the molecular sieve cartridge of one or more embodiments of the application; Figure 37 is a schematic view of the valve seat of one or more embodiments of the application; Figure 38 (a) and (b) are schematic views of the base interface of one or more embodiments of the application from different perspectives; Figure 39 is a cross-sectional view of the gas distribution valve of one or more embodiments of the application; Figure 40 is a cross-sectional view of the nitrogen exhaust tube / air intake tube and the base interface of one or more embodiments of the application; Figure 41 is a cross-sectional view of the connection structure of the molecular sieve module and the main frame module of one or more embodiments of the application; Figure 42 is a schematic view of the mounting structure of the main frame module and the molecular sieve gas connection base of one or more embodiments of the application; Figure 43 is a perspective view of the molecular sieve gas connection base of one or more embodiments of the application.

[0010] Reference signs: 10 - main frame module; 11 - main support; 111 - base part; 1111 - limiting clamping groove; 1112 - first clamping groove limiting piece; 1113 - second clamping groove limiting piece; 1114 - bayonet; 1115 - molecular sieve button installation hole; 1116 - molecular sieve button installation hole; 1117 - limiting through hole; 1118 - main frame opening; 1119 - containing groove; 112 - vertical frame part; 1121 - third clamping groove limiting piece; 113 - upper frame part; 1131 - air inlet; 1132 - air outlet; 1133 - air outlet; 12 - control assembly; 13 - fan; 14 - oxygen storage tank; 141 - auxiliary oxygen storage tank; 15 - locking piece; 16 - molecular sieve button; 17 - molecular sieve button; 18 - molecular sieve fastener; 181 - fastening column; 182 - handle; 191 - compressor gas seat; 192 - molecular sieve gas seat; 1920 - gas seat installation groove; 1921 - main body part; 1922 - installation plate; 1923 - oxygen outlet channel; 1924 - second threaded hole; 1925 - nitrogen discharge channel; 1926 - gas inlet channel; 1101 - first electrical connector; 1102 - third electrical connector; 1103 - fifth electrical connector; 1104 - cover; 11041 - cover extension; 20 - compressor module; 21 - compressor housing assembly; 211 - limiting edge; 212 - air inlet cavity; 213 - compressor gas outlet interface; 214 - air inlet area; 215 - filter cavity opening; 216 - external heat dissipation port; 217 - internal heat dissipation port; 22 - compressor; 23 - compressor button; 24 - second electrical connector; 231 - compressor shell; 232 - compressor inner shell; 221 - compressor bottom shell; 2211 - exhaust grid; 2213 - exhaust installation groove; 2214 - buckle containing groove; 2215 - clamping protrusion; 222 - compressor cover; 2221 - second air inlet hole; 233 - compressor connector; 2331 - gas outlet channel; 2332 - nitrogen inlet channel; 30 - molecular sieve module; 3021 - molecular sieve shell; 3022 - molecular sieve cylinder; 3023 - molecular sieve inner shell; 3031 - slotted; 31 - third sliding part; 32 - locking groove; 33 - clamping claw; 34-molecular sieve gas inlet interface; 35-molecular sieve oxygen outlet interface; 36-fourth electrical connection; 37-fastening hole; 38-assistant air inlet; 40-battery module; 41-battery module shell; 411-sliding part; 412-through hole; 413-battery button mounting hole; 42-battery assembly; 43-quick release assembly; 431-battery button; 4311-button body; 4312-urging part; 432-buckling member; 433-elastic member; 434-mounting seat; 44-sixth electrical connection; 5-gas inlet silencing part; 51-silencing cover; 511-cover body; 512-extended part; 513-buckling; 5131-groove; 52-first silencing cavity; 521-gas inlet cavity; 5211-first gas inlet hole; 522-filtering cavity; 5221-supporting member; 53-communication hole; 54-separation plate; 55-sealing cover; 56-second silencing cavity; 561-gas outlet hole; 6-gas outlet silencing part; 61-gas outlet silencing part nitrogen inlet; 62-gas outlet silencing part nitrogen outlet; 7-gas distribution valve; 71-valve seat; 711-equalizing valve mounting hole; 712-solenoid valve mounting hole; 713-first oxygen delivery pipeline; 714-nitrogen discharge pipeline; 715-gas inlet pipeline; 716-connection hole; 72-base interface; 721-second oxygen delivery pipeline; 722-first opening; 723-second opening; 724-third threaded hole; 81-oxygen outlet pipe; 82-nitrogen discharge pipe; 83-gas inlet pipe; 841-pipe body; 842-protrusion; 87-sealing ring; 88-solenoid valve; 89-fastening member. DETAILED DESCRIPTION

[0011] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0012] In the description of the present application, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0013] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0014] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0015] Referring to Figures 1-23 , some embodiments of the modular oxygen generator of the present application. The modular oxygen generator in one or more embodiments of the present application is characterized by high modularity and convenient disassembly design, which not only facilitates maintenance and replacement of parts, but also greatly improves the flexibility and portability of the oxygen generator.

[0016] As Figure 1 and Figure 2 shown, the oxygen generator of the present embodiment is a modular oxygen generator, which includes a main frame module 10, and various functional modules that can be disassembled with the main frame module 10, the various functional modules including a compressor module 20, a molecular sieve module 30 and a battery module 40.

[0017] The main frame module 10 is the main part of the modular oxygen generator, mainly used for connecting and supporting various functional modules.

[0018] The compressor module 20 includes a compressor housing assembly 21 and a compressor 22 arranged in the compressor housing assembly 21. The compressor 22 sucks in and compresses the outside air to a certain pressure, providing necessary power and pressure conditions for the subsequent air separation process.

[0019] The molecular sieve module 30 is the core part of the oxygen generator that realizes oxygen separation. It uses specific molecular sieve materials to separate oxygen and nitrogen from compressed air through adsorption and desorption principles.

[0020] The battery module 40 provides power support for the entire oxygen generator. It usually uses high-performance lithium batteries or rechargeable battery packs to ensure that the oxygen generator can continue to run in a power outage or mobile environment. The battery module 40 not only powers key components such as the compressor 22 and the molecular sieve tank, but also ensures the portability and endurance of the oxygen generator, making it suitable for various scenarios and user needs.

[0021] As shown in Figure 6 , the main frame module 10 includes a main support 11, an oxygen storage tank 14 arranged in the main support 11, and a control assembly 12. The main support 11 is the main support structure. The oxygen storage tank 14 is connected with the molecular sieve module 30 and is used for storing the separated oxygen. The control assembly 12 is used for electrical control of the oxygen generator and is responsible for controlling the working process of the entire oxygen generator and the coordinated operation between the modules.

[0022] As shown in Figure 5 , the compressor module 20 is located on one side of the main support 11 and is slidably detachably connected with the main support 11 through a first disassembly structure C1.

[0023] The molecular sieve module 30 is located on the other side of the main support 11 and is slidably detachably connected with the main support 11 through a second disassembly structure C2.

[0024] The battery module 40 is located on the lower side of the main support 11 and is slidably detachably connected with the main support 11 through a third disassembly structure.

[0025] The compressor module 20, the molecular sieve module 30, and the battery module 40 are respectively electrically connected with the main frame module 10 through an electrical connection socket structure. The electrical connection socket structure is not only simple in design, but also has the functions of quick connection and disconnection, ensuring that the electrical connection between the functional modules and the main frame module 10 is quick and stable.

[0026] As shown in Figure 7 , the main frame module 10 is provided with a compressor gas seat 191 that is connected with the gas outlet of the compressor module 20, and is also provided with a molecular sieve gas seat 192 that is connected with the gas inlet and outlet of the molecular sieve module 30. The compressor gas seat 191, the molecular sieve gas seat 192, and the oxygen storage tank 14 are connected in sequence through pipelines to realize gas communication. After the compressor module 20 and the molecular sieve module 30 are slidably installed, they can be quickly connected through the compressor gas seat 191 and the molecular sieve gas seat 192. The compressor gas seat 191 and the molecular sieve gas seat 192 are connected with the oxygen storage tank 14 through pipelines, ensuring smooth gas flow and efficient oxygen separation process.

[0027] The modular oxygen generator described above, through modular design, enables the compressor module 20, the molecular sieve module 30 and the battery module 40 to be independently installed and quickly disassembled, not only improving the independence of each functional module, but also greatly simplifying the maintenance and replacement operation of the oxygen generator. In actual use, when a module fails or needs to be replaced periodically, the user can replace the corresponding module according to the needs without the need for complex disassembly or repair of the entire device, not only reducing maintenance costs and downtime, but also improving the long-term use stability of the oxygen generator.

[0028] In addition, the modular design greatly improves the scalability and adaptability of the oxygen generator. Users can select different specifications of the compressor module 20, the molecular sieve module 30 and the battery module 40 according to actual needs, so as to flexibly adjust the functions of the device according to environmental changes or different use scenarios. For example, in a relatively static application scenario, the user may need longer battery life and can choose a larger capacity battery module 40; while in situations requiring efficient oxygen supply, a larger power compressor module 20 and / or a more efficient molecular sieve module 30 may be selected. This highly flexible module selection enables the oxygen generator to be widely used in different fields such as home, hospital, field and emergency rescue.

[0029] In some embodiments of the present application, as Figure 4 One side of the main support 11 is a side opening structure, and a second sliding groove structure is provided between the upper end and / or the lower end of the side opening structure and the compressor module 20, so that the compressor module 20 can be disassembled along the horizontal direction through the second sliding groove structure.

[0030] The other side of the main support 11 is a semi-open structure, and the molecular sieve module 30 is arranged in the semi-open structure. A third sliding groove structure is provided between the side surface of the semi-open structure and the molecular sieve module 30, so that the molecular sieve module 30 can be disassembled along the vertical direction through the third sliding groove structure.

[0031] Specifically, the horizontal disassembly of the compressor module 20 and the molecular sieve module 30 with the main support 11 using the side opening structure and the vertical disassembly of the compressor module 20 and the molecular sieve module 30 with the main support 11 using the semi-open structure are considered: The compressor is basically a horizontally placed structural component, which is more convenient to install horizontally. In addition, the compressor module 20 usually needs to be configured with a corresponding fan assembly and air inlet structure above for heat dissipation and air intake of the compressor module 20, so it needs to have a certain equipment structure installation space above. In addition, the compressor module 20 will vibrate during operation, so the clamping and horizontal placement of the side opening structure can effectively ensure the stability after installation.

[0032] The functional effect of the molecular sieve module 30 is mainly related to the size of the filled molecular sieve, that is, the more the molecular sieve is filled, the better the processing effect is, so the length of the molecular sieve module 30 can be greatly extended in cooperation with the semi-open structure. At the same time, the semi-open structure also facilitates the disassembly of the molecular sieve module as a whole. In addition, the accuracy and reliability of the molecular sieve module during gas path docking also need to be considered. The longitudinal installation method can avoid the influence of the docking accuracy caused by the weight of the molecular sieve itself, thereby improving the airtight effect.

[0033] Further, based on the above structure, the installation and disassembly method of the battery module 40 is designed, as shown in Figure 3 The first sliding groove structure is arranged between the battery module 40 and the bottom surface of the main support 11, so that the battery module 40 can be disassembled along the horizontal direction.

[0034] The battery module 40 is installed at the bottom surface of the main support 11. Firstly, it is convenient to install and disassemble quickly, and the disassembly process will not affect the compressor module 20 and the molecular sieve module 30. Secondly, the corresponding logical design is made for the disassembly step to reduce the risk of the device.

[0035] Specifically, when the battery module 40 is not disassembled, the first disassembly structure C1 and the second disassembly structure C2 are in a locked state, which ensures the stable connection between the modules. After the battery module 40 is disassembled, the first disassembly structure C1 and the second disassembly structure C2 can be unlocked, allowing users to freely disassemble the compressor module 20 and the molecular sieve module 30.

[0036] This principle avoids the occurrence of electric leakage and gas leakage. After the battery module 40 is disassembled, all device components are in a power-off state, and the device will not run. At this time, it is very safe and reliable to disassemble the compressor module 20 and the molecular sieve module 30.

[0037] Specifically, referring to Figure 6 , the main support 11 is composed of a base part 111, a vertical support part 112 and an upper support part 113.

[0038] The base part 111 is used to support the entire structure, the vertical support part 112 is vertically arranged on the base part 111, and the upper support part 113 is connected to the top end of the vertical support part 112 and located on one side thereof to form the top structure of the oxygen generator.

[0039] In order to realize the modular installation of the compressor module 20 and the molecular sieve module 30, as Figure 4As shown, a first area A is formed between the vertical frame portion 112, the bottom surface of the upper frame portion 113 and the base portion 111, the first area A forms a side opening structure, and the compressor module 20 is installed in the first area A. A second area B is formed between the other side of the vertical frame portion 112 and the base portion 111, and the second area B forms a semi-open structure, and the molecular sieve module 30 is installed in the second area B. The semi-open structure allows the molecular sieve module 30 to have a large volume, thereby increasing the oxygen production efficiency.

[0040] The oxygen storage tank 14 is vertically arranged in the vertical frame portion 112 of the main support 11, so that the oxygen storage tank 14 can be compactly arranged in the structure of the main support 11, thereby saving the horizontal space of the equipment.

[0041] Further, referring to Figure 3 and Figure 4 , during assembly of the oxygen generator, the compressor module 20 and the molecular sieve module 30 need to be assembled first, and then inserted into the main support 11, wherein, as shown in the direction Figure 4 , the compressor module 20 is moved to the right and horizontally inserted into the first area A of the main support 11, and is fixed to the main support 11 through the first disassembly structure C1; the molecular sieve module 30 is pressed from top to bottom into the second area B on the right side of the main support 11, and is fixed to the main support 11 through the second disassembly structure C2; finally, the battery module 40 is slid from the left to the right into the bottom of the main support 11 and is fixed to the main support 11 through the third disassembly mechanism.

[0042] Similarly, when the compressor module 20 and the molecular sieve module 30 are disassembled, the locking state of the third disassembly mechanism needs to be released, the battery module 40 is first slid to the left, then when the compressor module 20 is disassembled, the locking state of the first disassembly structure C1 is released, and the compressor module 20 is horizontally pulled to the left; when the molecular sieve module 30 is disassembled, the locking state of the second disassembly structure C2 is released, and the molecular sieve module 30 is vertically moved upward.

[0043] Through the above disassembly logic, the battery module 40 must be disassembled before the compressor module 20 and the molecular sieve module 30 are disassembled. This design prevents the battery module 40 from being misoperated or damaged when the compressor module 20 and the molecular sieve module 30 are disassembled, thereby improving the safety of the operation.

[0044] In the following part, the running path of the oxygen production flow of the modular oxygen generator of the present application will be specifically described.

[0045] Referring to Figure 8 , the main support 11 is provided with an air inlet 1131 on the side of the upper frame portion 113, and the top surface of the side opening structure is provided with an air outlet 1132. External air enters through the air inlet 1131 and is discharged through the air outlet 1132, forming an oxygen production flow.

[0046] Referring toFigure 10 The top of the compressor housing assembly 21 is provided with an air inlet cavity 212 corresponding to the air outlet hole 1132. The compressor housing assembly 21 is provided with an air guide pipe (not shown). The air inlet cavity 212 guides the oxygen flow to the compressor 22 through the air guide pipe.

[0047] The compressor air receiving seat 191 is arranged at the bottom of the inner side of the side opening structure, i.e., the compressor air receiving seat 191 is arranged at the bottom end of the vertical support part 112 of the main support 11. Figure 7 The compressor module 20 is arranged on the side surface of the inner side of the side opening structure and is provided with a compressor air outlet interface 213 in communication with the compressor air outlet. The compressor air outlet interface 213 is protrudingly arranged.

[0048] After the compressor module 20 is assembled in place along the horizontal direction, the compressor air outlet interface 213 is inserted into the compressor air receiving seat 191 to realize air-tight connection.

[0049] The air outlet end of the compressor air receiving seat 191 is in communication with the molecular sieve air receiving seat 192 through a pipeline.

[0050] Referring to Figure 7 The molecular sieve air receiving seat 192 is arranged on the bottom surface of the semi-open structure, i.e., the molecular sieve air receiving seat 192 is arranged on the base part 111 of the main support 11. The molecular sieve air receiving seat 192 has an air inlet channel and an oxygen outlet channel. The air inlet channel is in communication with the air outlet end of the compressor air receiving seat 191 through a pipeline. The oxygen outlet channel is connected with the oxygen storage tank 14 through a pipeline.

[0051] Referring to Figure 14 The bottom of the molecular sieve module 30 is provided with a molecular sieve air inlet interface 34 and a molecular sieve oxygen outlet interface 35. Both the molecular sieve air inlet interface 34 and the molecular sieve oxygen outlet interface 35 are protrudingly arranged.

[0052] After the molecular sieve module 30 is assembled in place along the vertical direction, the molecular sieve air inlet interface 34 and the molecular sieve oxygen outlet interface 35 are respectively inserted into the air inlet channel and the oxygen outlet channel in the molecular sieve air receiving seat 192 to realize air-tight connection.

[0053] The oxygen flow running path is as follows: the oxygen flow is compressed by the compressor 22, is transported to the inside of the molecular sieve module 30 through the compressor air outlet, the compressor air outlet interface 213, the compressor air receiving seat 191, the air inlet channel of the molecular sieve air receiving seat 192, and the molecular sieve air inlet interface 34, and is separated into oxygen and nitrogen by the molecular sieve module 30. The separated oxygen is transported to the oxygen storage tank 14 through the molecular sieve oxygen outlet interface 35 and the oxygen outlet channel of the molecular sieve air receiving seat 192, is stored in the oxygen storage tank 14, and is then output from the oxygen outlet at the top of the oxygen storage tank 14 to the oxygen injection valve to output oxygen when the user inhales. The nitrogen generated by the molecular sieve module 30 is discharged through the nitrogen outlet and the nitrogen silencer.

[0054] In the following part, the circuit connection mode between the functional modules of the modular oxygen generator of the present application will be specifically explained.

[0055] Referring to Figure 8 and Figure 10 , in some embodiments of the present application, the power connection structure between the compressor module 20 and the main frame module 10 includes a first electrical connector 1101 and a second electrical connector 24.

[0056] As Figure 8 , the first electrical connector 1101 is arranged on the bottom surface or the top surface of the side opening structure and is electrically connected with the control assembly 12. As Figure 10 , the second electrical connector 24 is arranged on the bottom or the top of the compressor module 20 corresponding to the first electrical connector 1101. The first electrical connector 1101 and the second electrical connector 24 are one of a plug and a socket board. After the compressor module 20 is assembled in place along the horizontal direction, the electrical connection is realized by inserting the plug laterally into the socket board. In the present embodiment, the first electrical connector 1101 is a socket board, and the second electrical connector 24 is a plug.

[0057] Referring to Figure 7 and Figure 14 , in some embodiments of the present application, the power connection structure between the molecular sieve module 30 and the main frame module 10 includes a third electrical connector 1102 and a fourth electrical connector 36.

[0058] The third electrical connector 1102 is arranged on the bottom surface of the semi-open structure, i.e. on the base portion 111 of the main support 11, and is electrically connected with the control assembly 12. The fourth electrical connector 36 is arranged on the bottom of the molecular sieve module 30 corresponding to the third electrical connector 1102. The third electrical connector 1102 and the fourth electrical connector 36 are one of a plug and a socket board. After the molecular sieve module 30 is assembled in place along the vertical direction, the electrical connection is realized by inserting the plug vertically into the socket board. In the present embodiment, the third electrical connector 1102 is a plug, and the fourth electrical connector 36 is a socket board.

[0059] Referring to Figure 8 and Figure 19 , in some embodiments of the present application, the power connection structure between the battery module 40 and the main frame module 10 includes a fifth electrical connector 1103 and a sixth electrical connector 44.

[0060] The fifth electrical connector 1103 is arranged on the bottom surface of the main support 11 and electrically connected with the control assembly 12. The sixth electrical connector 44 corresponding to the fifth electrical connector 1103 is arranged on the top of the battery module 40. The fifth electrical connector 1103 and the sixth electrical connector 44 are one of the plug and the socket plate. After the battery module 40 is assembled in place along the horizontal direction, the electrical connection is achieved by inserting the plug into the socket plate laterally. In the embodiment, the fifth electrical connector 1103 is the plug, and the sixth electrical connector 44 is the socket plate.

[0061] In the following part, the sliding and dismounting structure of the compressor module 20 will be described in detail.

[0062] In some embodiments of the present application, the compressor module 20 is horizontally slidably connected with the top surface of the base portion 111 through a second sliding groove structure. That is, the compressor module 20 is installed and dismounted along the horizontal direction.

[0063] Specifically, as shown in Figure 7 and Figure 11 , the second sliding groove structure includes at least two second clamping groove limit members 1113 arranged on the top surface of the base portion 111, and the two second clamping groove limit members 1113 are oppositely arranged. The bottom of the compressor module 20 is provided with a downward extending limit rail 211, and the compressor module 20 can slide along the second clamping groove limit member 1113 through the limit rail 211. The limit rail 211 is preferably arranged on the outside of the second clamping groove limit member 1113. The second sliding groove structure not only plays a sliding guide role of the compressor module 20, but also limits other displacement of the compressor module 20 in the horizontal direction. As for the displacement of the compressor module 20 in the up-down direction, it is limited by the structure of the main support 11.

[0064] In some embodiments of the present application, the first dismounting structure C1 includes a filter cavity opening 215 arranged on the bottom of the compressor module 20, a main support opening 1118 arranged on the main support 11, and a cover 1104.

[0065] The filter cavity opening 215 is communicated with a filter cavity located in the compressor module 20 for filtering the air inlet of the compressor 22.

[0066] The cover 1104 is arranged at the filter cavity opening 215 and is detachably arranged for opening or closing the filter cavity.

[0067] The main support opening 1118 is arranged on the main support 11, and the opening size is matched with the cover 1104, so that the cover 1104 is dismounted or mounted through the main support opening 1118.

[0068] The cover 1104 has a cover extension 11041 which extends at least partially into the main frame opening 1118 to limit the sliding movement between the compressor module 20 and the main frame 11.

[0069] During installation, the compressor module 20 is installed into the side opening structure of the main frame 11 along the sliding direction. When installed in place, the filter cavity opening 215 is positioned corresponding to the main frame opening 1118. Then the cover 1104 is installed through the main frame opening 1118 to close the filter cavity opening 215 and limit the position of the compressor housing assembly 21 and the main frame 11. During disassembly, the cover 1104 is first removed through the main frame opening 1118 to release the position limitation of the cover 1104 on the compressor housing assembly 21 and the main frame 11. Then the compressor module 20 is removed from the side opening structure.

[0070] Further, the first disassembly structure C1 further comprises a limiting connector which is arranged between the main frame 11 and the compressor module 20 to connect the main frame 11 and the compressor module 20. When only the cover 1104 needs to be removed for cleaning or replacement of the filter cotton, the limiting connector can ensure stable connection of the compressor module 20 and the main frame 11. In some embodiments, the limiting connector is a quick release bolt.

[0071] In some other embodiments of the present application, as shown in Figure 11 the limiting connector is a compressor button 23 arranged on the compressor module 20. The main frame 11 is provided with a limiting through hole 1117, and the compressor button 23 is inserted into the limiting through hole 1117 to be locked.

[0072] As shown in Figure 7 the limiting through hole 1117 is arranged through the base portion 111 of the main frame 11. The compressor button 23 is arranged on the bottom of the compressor module 20. The compressor button 23 is inserted into the limiting through hole 1117 to be locked. When pressed, the compressor button 23 moves upward to exit the limiting through hole 1117, thereby releasing the locking state of the compressor button 23 and the limiting through hole 1117.

[0073] Further, the first disassembly structure C1 further comprises a spring (not shown) connected to the compressor button 23 for keeping the compressor button 23 in the locked state and resetting after being pressed.

[0074] Through the first disassembly structure C1, when disassembling the compressor module 20, the user only needs to remove the cover 1104 and then press the compressor button 23 to easily take out the compressor module 20.

[0075] Since the compressor button 23 is arranged in the base portion 111, when the battery module 40 is detached, the cover 1104 can be detached first through the main frame opening 1118, and then the compressor button 23 is pressed through the limiting through hole 1117 to realize quick detachment of the compressor module 20.

[0076] In the following part, the sliding and detachment structure of the molecular sieve module 30 will be described in detail.

[0077] In some embodiments of the present application, the molecular sieve module 30 is vertically slidably connected to the side of the vertical frame portion 112 through a third sliding groove structure. That is, the molecular sieve module 30 is installed and detached along the vertical direction.

[0078] Specifically, as shown in Figure 6 and Figure 14 , the third sliding groove structure includes at least two third slot limiting members 1121 arranged on the side of the vertical frame portion 112, and the two third slot limiting members 1121 are oppositely arranged to form a sliding groove. The side of the molecular sieve module 30 is provided with a third sliding portion 31 which is slidably installed in the sliding groove and is in engagement with the third slot limiting member 1121 to limit the displacement of the molecular sieve module 30 in the direction perpendicular to the sliding direction (horizontal direction).

[0079] During installation, the operator only needs to vertically slide the molecular sieve module 30 along the third sliding groove structure to quickly reach the approximate installation position, greatly reducing the adjustment time and difficulty during installation. The second detachment structure C2 can quickly and firmly fix the molecular sieve module 30 on the main support 11 after the molecular sieve module 30 is slid into position, completing the installation process. During detachment, the second detachment structure C2 is first released from the locked state, and then the molecular sieve module 30 is slid out along the third sliding groove structure.

[0080] In some embodiments of the present application, as shown in Figure 12 and Figure 13 , the second detachment structure C2 includes a locking groove 32 arranged on the bottom surface of the molecular sieve module 30, a locking member 15 arranged on the base portion 111 of the main support 11, and a molecular sieve button 16.

[0081] The locking member 15 and the molecular sieve button 16 are movably arranged on the main support 11. Specifically, a molecular sieve button mounting hole 1115 for mounting the molecular sieve button 16 is formed on the bottom surface of the base portion 111, and the molecular sieve button 16 is slidably arranged in the molecular sieve button mounting hole 1115. The locking member 15 is locked with the locking groove 32 after being moved to cooperate with the locking groove 32, and is unlocked after being withdrawn from the locking groove 32. In this embodiment, the installation and detachment direction of the molecular sieve module 30 is arranged perpendicularly to the movable direction of the locking member 15.

[0082] Through the setting of the second dismounting structure C2, only the molecular sieve module 30 needs to be aligned with the main support 11 and moved to the position along the dismounting direction, and then the locking piece 15 is pushed to be inserted into the locking slot 32 to complete the locking, and meanwhile, the dismounting direction of the molecular sieve module 30 is vertically arranged with the movable direction of the locking piece 15, so that the locking and fitting stability of the locking piece 15 and the locking slot 32 is high, and the shaking gap after the installation of the molecular sieve module 30 is reduced.

[0083] Since the molecular sieve button 16 is arranged on the bottom surface of the base portion 111, when the battery module 40 is dismounted, the molecular sieve module 30 can be quickly dismounted by pressing the molecular sieve button 16.

[0084] In some other embodiments of the present application, as shown in Figures 14-16 the second dismounting structure C2 includes the clamping claw 33 arranged on the bottom surface of the molecular sieve module 30, the clamping port 1114 arranged on the base portion 111 and matched with the clamping claw 33, and the molecular sieve button 17 for releasing the clamping state of the clamping claw 33 and the clamping port 1114.

[0085] The clamping claw 33 is arranged along the installation direction of the molecular sieve module 30, that is, the clamping claw 33 is arranged up and down. The dismounting direction of the molecular sieve module 30 is arranged in parallel with the moving direction of the molecular sieve button 17 when the clamping is released.

[0086] Through the second dismounting structure C2, when the molecular sieve module 30 is dismounted, the user only needs to press the molecular sieve button 17 to easily take out the molecular sieve module 30, and the whole process does not need complex tools and professional maintenance skills, which greatly reduces the operation difficulty. In addition, the structure is simple, the movement mode is clear, the reliability of the locking and unlocking functions of the molecular sieve module 30 of the oxygen generator in the use process is ensured, and the failure is reduced.

[0087] In the present embodiment, the molecular sieve button mounting hole 1116 for mounting the molecular sieve button 17 is arranged on the base portion 111, and since the molecular sieve button 17 is arranged on the bottom surface of the base portion 111, when the battery module 40 is dismounted, the molecular sieve module 30 can be quickly dismounted by pressing the molecular sieve button 17.

[0088] In some other embodiments of the present application, as shown in Figure 17 and Figure 18 the second dismounting structure C2 includes the molecular sieve fastener 18 arranged on the bottom of the main support 11 and the fastening hole 37 arranged on the molecular sieve module 30, and the fastening hole 37 is arranged in matched with the molecular sieve fastener 18. The rotating locking structure is adopted between the fastening hole 37 and the molecular sieve fastener 18, which can be arranged as that the fastening hole 37 is a threaded hole, and the upper end of the molecular sieve fastener 18 is matched with an external thread.

[0089] The molecular sieve fastener 18 is arranged above and below the molecular sieve gas seat 192, and the molecular sieve gas seat 192 is provided with a through hole penetrating up and down and used for the molecular sieve fastener 18 to pass through. The molecular sieve fastener 18 passes through the gas seat, which is beneficial to the stability of the molecular sieve gas inlet interface 34 and the molecular sieve oxygen outlet interface 35 after the molecular sieve module 30 is installed and fixed and plugged to the molecular sieve gas seat 192, and avoids the problem of gas leakage and other problems affecting the normal operation of the equipment due to unstable connection of the molecular sieve gas inlet interface 34 and the molecular sieve oxygen outlet interface 35.

[0090] The molecular sieve fastener 18 has a fastening column 181 and a handle 182 arranged at the lower end of the fastening column 181. The base portion 111 is provided with a receiving groove 1119 for accommodating the handle 182. The receiving groove 1119 provides a space for the handle 182, making the structure more compact and reasonable. A connecting hole is arranged between the through hole and the receiving groove 1119, and the through hole and the connecting hole are coaxially arranged. The molecular sieve fastener 18 passes through the receiving groove 1119, the connecting hole and the through hole from bottom to top, and then is fastened into the fastening hole 37, so that the installation path of the molecular sieve fastener 18 is smooth, which is beneficial to installation operation in a reasonable order and ensures that the entire connection and fixing process can be completed efficiently and accurately.

[0091] In the following part, the sliding and dismounting structure of the battery module 40 will be described in detail.

[0092] In some embodiments of the present application, referring to Figure 6 and Figure 19 , the first sliding groove structure includes at least two first clamping groove limit members 1112 arranged on the bottom surface of the base portion 111. The two first clamping groove limit members 1112 are arranged opposite to each other to form a sliding groove. The battery module 40 is provided with a sliding portion 411 which is slidably installed in the sliding groove and is clamped with the first clamping groove limit members 1112 to limit the displacement of the battery module 40 in the direction perpendicular to the sliding direction. The design of the double-limiting member and sliding groove structure effectively improves the stability of the sliding connection of the battery module 40, and avoids the inclination or shaking of the battery module 40 due to external force, so that the installation of the battery module 40 is more stable and reliable.

[0093] In some embodiments of the present application, as shown in Figures 20-22 , the third dismounting structure includes a limiting clamping groove 1111 arranged on the bottom surface of the main support 11 and a quick dismounting assembly 43 arranged on the battery module 40.

[0094] The battery module 40 includes a battery module shell 41 and a battery assembly 42 arranged in the battery module shell 41. The quick dismounting assembly 43 is installed in the battery module shell 41.

[0095] As shown in Figure 22 , the quick dismounting assembly 43 includes a battery key 431 and a clamping member 432. As shown inFigure 21 The buckle member 432 is engaged with the limiting clamping groove 1111, and is used to limit the displacement of the battery module 40 along the sliding direction. The battery button 431 is configured to drive the buckle member 432 to move, so that the buckle member 432 is withdrawn from the limiting clamping groove 1111, thereby releasing the engagement state of the buckle member 432 and the limiting clamping groove 1111.

[0096] Specifically, the buckle member 432 is arranged in the battery module shell 41 and slides along a direction perpendicular to the sliding direction of the battery module 40. A through hole 412 is formed on the battery module shell 41 and opposite to the limiting clamping groove 1111. The buckle member 432 extends out of the through hole 412 and is engaged with the limiting clamping groove 1111. The battery button 431 is located on one side of the buckle member 432. By pressing the battery button 431, the buckle member 432 is driven to withdraw from the limiting clamping groove 1111, thereby completing the quick release operation of the battery module 40.

[0097] In this embodiment, the battery button 431 is installed on the side surface of the battery module shell 41, and the pressing direction of the battery button 431 is perpendicular to the side surface of the battery module shell 41, so that external force can be easily applied to the battery button 431.

[0098] Further, the quick release assembly 43 further comprises an elastic member 433 connected with the buckle member 432. The elastic member 433 is used to maintain the engagement state of the buckle member 432 and the limiting clamping groove 1111 when the battery button 431 is not pressed, and automatically resets the buckle member 432 after the battery button 431 is released. The introduction of the elastic member 433 greatly improves the operation safety and convenience of the quick release assembly 43. After the user completes the operation, the initial state can be restored without additional steps, thereby avoiding the problem that the battery module 40 cannot be correctly locked due to improper operation.

[0099] Referring to Figure 22 The battery button 431 is designed to include a battery button body 4311 and a force applying portion 4312 protruding from the battery button body 4311. The force applying portion 4312 has an inclined force applying slope f. The buckle member 432 has a receiving surface h matched with the force applying slope f. The battery button 431 drives the buckle member 432 to move in a direction away from the limiting clamping groove 1111 through the interaction of the force applying slope f and the receiving surface h.

[0100] In some embodiments of the present application, the quick release assembly 43 further comprises a mounting seat 434 fixedly connected with the battery module shell 41, and the buckle member 432 and the battery button 431 are both slidingly arranged on the mounting seat 434. The mounting seat 434 provides a stable working platform for the buckle member 432 and the battery button 431, and meanwhile, the buckle member 432 and the battery button 431 can be assembled before the mounting seat 434, and then the whole is mounted on the battery module shell 41, thereby improving the assembly and disassembly efficiency.

[0101] In the following part, the operation path of the heat dissipation airflow of the modular oxygen generator of the present application will be specifically explained.

[0102] In some embodiments of the present application, as shown in Figure 6 and Figure 8 , in order to dissipate heat for the compressor module 20, the upper rack part 113 of the main support 11 is further provided with an air outlet 1133 on the bottom surface and the top surface of the side opening structure, and a fan 13 is arranged in the upper rack part 113 on the inner side of the air outlet 1133. The fan 13 can drive the air to enter through the air inlet 1131 and be discharged through the air outlet 1133.

[0103] The airflow entering through the air inlet 1131 and being discharged through the air outlet 1133 forms a heat dissipation airflow, and the top of the compressor shell assembly 21 is provided with an air inlet area 214 corresponding to the air outlet 1133, as shown in Figure 10 . The heat dissipation airflow flows into the compressor shell assembly 21 through the air inlet area 214 to dissipate heat for the internal compressor 22.

[0104] That is, in the present embodiment, the external air entering through the air inlet 1131 is partially discharged through the air outlet 1133 to form an oxygen production airflow, and partially discharged through the air outlet 1133 to form a heat dissipation airflow.

[0105] After the heat dissipation airflow entering the internal part of the compressor module 20 dissipates heat for the compressor 22, the hot air can be output in two parts: one part is discharged to the outside, and the other part flows to the molecular sieve module 30 to heat the internal molecular sieve.

[0106] Specifically, as shown in Figure 10 and Figure 11 , the compressor shell assembly 21 is provided with an external heat dissipation port 216 and an internal heat dissipation port 217, and part of the heat dissipation airflow is output to the outside through the external heat dissipation port 216; part of the heat dissipation airflow flows to the molecular sieve module 30 through the internal heat dissipation port 217, heats the internal molecular sieve, and then is discharged to the outside through the internal heat dissipation port 217 and the external heat dissipation port 216. The nitrogen gas discharged from the molecular sieve module 30 is also discharged through the external heat dissipation port 216 after being subjected to noise reduction treatment.

[0107] When the ambient temperature is low, such as in winter, the part of the heat dissipation air flow discharged from the compressor module 20 can heat the molecular sieve module 30, so that the molecular sieve module 30 can work efficiently in a low temperature environment. When the ambient temperature is high, the molecular sieve module 30 does not need to be heated, and a movable or detachable cover plate (not shown) is arranged at the internal heat dissipation port 217 to close the internal heat dissipation port 217.

[0108] Referring to Figure 7 , the oxygen storage tank 14 and the inner wall of the vertical frame part 112 are provided with a gap a, and the first area A is communicated with the second area B through the gap a. The heat dissipation air flow can flow to the molecular sieve module 30 through the internal heat dissipation port 217 and the gap a, and the temperature compensation and preheating of the molecular sieve module 30 are performed, and the working efficiency of the molecular sieve module 30 is improved.

[0109] In some embodiments of the present application, the control assembly 12 includes a main control board which integrates a display and detection unit and an electric control unit.

[0110] The display and detection unit is responsible for touch operation and data acquisition, so that the user can monitor the state of the oxygen generator in real time. Specifically, in the present embodiment, a display screen is arranged at the top of the upper frame part 113, and the display screen is located above the main control board. The display screen is a touch screen, and the user can more conveniently view the device state information such as oxygen concentration, temperature, pressure and other important parameters through the display screen, and can realize simple device control through touch.

[0111] The electric control unit controls the operating parameters of the oxygen generator, such as the electrical control of the fan 13, the compressor module 20 and the molecular sieve module 30, to ensure the stable operation of the system under different working conditions.

[0112] In addition, the main control board is arranged in the heat dissipation air duct of the upper frame part, and the heat generated by the main control board can be taken away by the air flow in the air duct, so that the working temperature of the main control board can be effectively reduced, thereby prolonging the service life of the main control board and improving the stability and reliability of the system.

[0113] Referring to Figure 23 , the main frame module 10 further adds an auxiliary oxygen storage tank 141, which is arranged inside the base part 111 and is in series communication with the oxygen storage tank 14. The connection between the two can be connected through a sealing rubber pad. The auxiliary oxygen storage tank 141 can not only make full use of the space of the existing structure of the device to increase the gas storage effect, but also can provide additional oxygen reserve under the condition of high load of the device or increased oxygen demand, to maintain the stability of oxygen supply.

[0114] The double oxygen storage design greatly enhances the continuous oxygen supply capacity of the oxygen generator, effectively reducing the problem of insufficient oxygen supply of the equipment under high demand, by the linkage operation of the oxygen storage tank 14 and the auxiliary oxygen storage tank 141. At the same time, the auxiliary oxygen storage tank 141 is arranged in the base part 111, so that the structure of the equipment is more compact and reasonable, and the space utilization rate of the main frame module 10 is further improved.

[0115] As shown in Figure 23 , one end of the main control board is located above the oxygen storage tank 14. Since electronic components need to be installed on the main control board, a certain gap b is left between the top of the oxygen storage tank and the main control board. At the same time, the upper part of the molecular sieve module 30 is provided with an auxiliary air inlet channel, and an auxiliary air inlet 38 (as shown in Figure 2 ) is formed in the outer shell of the molecular sieve module 30 and communicates with the auxiliary air inlet channel. The auxiliary air inlet channel communicates with the gap b, and a certain heat dissipation effect is achieved by using the auxiliary air inlet channel.

[0116] In one or more embodiments of the present application, the oxygen generator can use a VPSA compressor as the compressor 22, i.e. a vacuum pressure swing adsorption compressor. The VPSA compressor can first pressurize the air, then input the pressurized air into the molecular sieve, use the molecular sieve to selectively adsorb nitrogen, carbon dioxide and water and other impurities in the air, and the oxygen which is not easy to be adsorbed is output as product gas. Then the VPSA compressor is used to extract nitrogen from the molecular sieve, and the previously adsorbed nitrogen is forced to desorb and discharged as waste gas, thereby realizing the function of cyclic oxygen production. The VPSA compressor in some schemes produces relatively large noise during air intake and nitrogen discharge, especially the portable medical oxygen generator has higher requirements for the modularity and space utilization of the product.

[0117] In one or more embodiments of the present application, the VPSA compressor is modularly designed according to its characteristics, and the exhaust silencer 6 and the air intake silencer 5 are integrated, thereby improving the silent effect of the oxygen generator, and the hot gas and nitrogen generated by the compressor 22 can be uniformly discharged, so that the overall structure of the oxygen generator is more compact.

[0118] Figure 24 As shown in Figure 24 , the main frame module 10 of the oxygen generator provided by one or more embodiments of the present application is shown in the following description, and the drawings in are used as the reference basis of the direction, and the height direction of the main frame module 10 is defined as the up-down direction.

[0119] Figure 25 and Figure 26As shown, the compressor module 20 further comprises an air intake muffling part 5 and an exhaust muffling part 6 arranged at the bottom of the compressor housing assembly 21. The compressor 22 comprises a positive pressure air inlet, a positive pressure air outlet, a negative pressure air inlet and a negative pressure air outlet, which are not shown in the figure. The air intake muffling part 5, the positive pressure air inlet, the positive pressure air outlet and the air inlet of the molecular sieve module 30 are sequentially communicated. The nitrogen outlet of the molecular sieve module 30, the negative pressure air inlet, the negative pressure air outlet and the exhaust muffling part 6 are sequentially communicated. The compressor 22 is specifically a VPSA compressor, which integrates a blower and a vacuum pump into one, and can simultaneously complete the functions of pressurization and vacuumization.

[0120] The working principle of the oxygen generator of one or more embodiments of the present application is as follows: After the air enters the compressor module 20, it enters the air intake muffling part 5. After being muffled by the air intake muffling part 5, it is output to the positive pressure air inlet of the compressor 22. After being pressurized by the compressor 22, it is discharged from the positive pressure air outlet and output to the air inlet of the molecular sieve module 30. The nitrogen separated by the molecular sieve module 30 is discharged from the nitrogen outlet of the molecular sieve module 30, the negative pressure air inlet, the negative pressure air outlet to the exhaust muffling part 6 under the negative pressure action of the compressor 22, and is muffled by the exhaust muffling part 6. Therefore, the oxygen generator provided by one or more embodiments of the present application can effectively reduce the noise generated by the air intake and nitrogen discharge of the compressor 22, improve the quietness of the oxygen generator, and ensure that the consumer has a good oxygen generation experience. Integrating the air intake muffling part 5 and the exhaust muffling part 6 at the bottom of the compressor housing assembly 21 can make the structure of the compressor module 20 more compact.

[0121] As shown in Figure 26 and Figure 27 , the compressor housing assembly 21 is further provided with a compressor connector 233, and the compressor connector 233 is provided with an air outlet channel 2331 and a nitrogen inlet channel 2332. The air outlet channel 2331 is used to communicate the positive pressure air outlet and the air inlet of the molecular sieve module 30. The nitrogen inlet channel 2332 is used to communicate the negative pressure air inlet and the nitrogen outlet of the molecular sieve module 30.

[0122] Further, as shown in Figure 24 , the main frame module 10 comprises a main support 11 and a compressor gas connector seat 191 and a molecular sieve gas connector seat 192 arranged on the main support 11. The compressor gas connector seat 191 is respectively connected with the air outlet channel 2331 and the nitrogen inlet channel 2332 in the compressor connector 233, and the molecular sieve gas connector seat 192 is respectively connected with the nitrogen outlet, the oxygen outlet and the air inlet of the molecular sieve module 30. The compressor gas connector seat 191 and the molecular sieve gas connector seat 192 are connected by a pipeline to realize the communication of the gas circuit.

[0123] Preferably, as shown in Figure 24 and Figure 25As shown, the main frame module 10 is provided with at least two second clamping groove limit members 1113 arranged oppositely, and the compressor housing assembly 21 is further provided with at least two downward extending limit edges 211, the second clamping groove limit members 1113 are in sliding cooperation with the limit edges 211, and the compressor module 20 can slide left and right along the second clamping groove limit members 1113 through the limit edges 211.

[0124] After the compressor module 20 is assembled in place on the main frame module 10, the compressor joint 233 is inserted into the compressor joint seat 191 to realize airtight connection, and the compressor joint seat 191 and the molecular sieve joint seat 192 are used to realize quick connection with the molecular sieve module 30, thereby ensuring smooth flow of gas and efficient oxygen separation process.

[0125] As shown in Figure 25 , in order to avoid the influence of the exhaust silencer 6 on the assembly of the compressor module 20 and the main frame module 10, the bottom height of the exhaust silencer 6 is set to be greater than the bottom surface height of the limit edge 211, i.e. the limit edge 211 extends downward below the bottom of the exhaust silencer 6.

[0126] As shown in Figures 25-28 , the compressor housing assembly 21 specifically includes a compressor outer shell 231 and a compressor inner shell 232 arranged inside the compressor outer shell 231, and the compressor inner shell 232 includes a compressor bottom shell 221 and a compressor cover 222 connected to the top of the compressor bottom shell 221. The compressor 22 is arranged in the compressor inner shell 232, the air inlet silencer 5, the exhaust silencer 6 and the limit edge 211 are arranged at the bottom of the compressor bottom shell 221, and the compressor joint 233 is arranged at one side of the compressor bottom shell 221.

[0127] Further, as shown in Figure 30 , the air inlet silencer 5 includes a first silencer cavity 52 and a second silencer cavity 56 both arranged outside the bottom of the compressor bottom shell 221 (i.e. away from the side of the compressor 22), and a silencer cover 51 covering the bottom of the first silencer cavity 52 and the second silencer cavity 56. The first silencer cavity 52 is provided with a first air inlet hole 5211 and a communication hole 53 in communication with the second silencer cavity 56, and the second silencer cavity 56 is provided with an air outlet hole 561 in communication with the positive pressure air inlet; the silencer cover 51 and the first silencer cavity 52 are further provided with silencer cotton. After the air enters the first silencer cavity 52 through the first air inlet hole 5211, it enters the compressor 22 for compression through the silencer cotton, the communication hole 53, the second silencer cavity 56 and the air outlet hole 561. One or more embodiments of the present application prolong the air inlet path of the compressor 22 by arranging the first silencer cavity 52 and the second silencer cavity 56, and meanwhile add silencer cotton in the air inlet path to filter noise, thereby effectively reducing the air inlet noise of the compressor 22.

[0128] As shown in Figure 27 ,Figure 31 and Figure 33 As shown, both the first air inlet 5211 and the air outlet 561 extend upwards into the interior of the compressor base housing 221. An exhaust grille 2211 is also provided on the compressor base housing 221. Figure 26 and Figure 27 As shown, the top of the compressor cover 222 is provided with a second air inlet 2221 that communicates with the first air inlet 5211, and outside air enters the first air inlet 5211 through the second air inlet 2221.

[0129] like Figure 27 , Figure 30 and Figure 33 As shown, the airflow path of the oxygen concentrator is as follows: After entering the compressor module 20, the air enters the intake silencer 5 through the second intake port 2221, the connecting hose, and the first intake port 5211. After being filtered and silenced by the intake silencer 5, the air is output from the outlet port 561 to the positive pressure intake port of the compressor 22. After being pressurized by the compressor 22, the air is discharged from the positive pressure outlet port and output to the intake port of the molecular sieve module 30 through the outlet channel 2331, the compressor air inlet 191, and the molecular sieve air inlet 192. The nitrogen separated by the molecular sieve module 30 is connected to the negative pressure inlet of the compressor 22 through the nitrogen discharge port of the molecular sieve module 30, the molecular sieve gas inlet 192, the compressor gas inlet 191, and the nitrogen inlet channel 2332 under the negative pressure of the compressor 22. It is then discharged from the negative pressure outlet of the compressor 22 to the nitrogen inlet 61 of the exhaust silencer 6. After being silenced in the exhaust silencer 6, it is discharged into the compressor module 20 through the nitrogen discharge port 62 of the exhaust silencer 6. Finally, it is discharged through the exhaust grille 2211 on the compressor bottom shell 221 and the exhaust grille on the compressor outer shell 231.

[0130] Furthermore, such as Figure 28 and Figure 30 As shown, a partition 54 is provided in the first silencing chamber 52, dividing the first silencing chamber 52 into an air intake chamber 521 and a filter chamber 522. A first air intake hole 5211 is opened in the air intake chamber 521, and a connecting hole 53 is used to connect the filter chamber 522 and the second silencing chamber 56. Silencing cotton is disposed between the silencing cover 51 and the filter chamber 522. The filter chamber 522 is also provided with a plurality of spaced-apart support members 5221 for supporting the silencing cotton. In one or more embodiments of this application, the partition 54 separates the first air intake hole 5211 from the filter chamber 522, so that after the air enters the air intake chamber 521, it must first move downwards through the gap between the silencing cover 51 and the partition 54 to enter the filter chamber 522 and the silencing cotton, and then penetrate from the lower part of the silencing cotton to the upper part to enter the connecting hole 53 and then into the second silencing chamber 56. Therefore, the partition 54 helps to further extend the air intake path of the compressor 22, allowing the sound-absorbing cotton to fully exert its sound-absorbing function.

[0131] To facilitate the arrangement of the sound-absorbing cotton, preferably, the cross-sectional area of the filtering cavity 522 is arranged to be greater than the cross-sectional area of the air inlet cavity 521.

[0132] As shown in Figures 28-30 , the sound-absorbing cover 51 specifically comprises a cover body 511 covering the bottoms of the first sound-absorbing cavity 52 and the second sound-absorbing cavity 56, and the cross-sectional area of the cover body 511 is not less than the sum of the cross-sectional areas of the first sound-absorbing cavity 52 and the second sound-absorbing cavity 56, so that the cover body 511 can completely cover the bottom openings of the two cavities.

[0133] The sound-absorbing cover 51 is detachably mounted on the bottom of the compressor bottom shell 221, and specifically, the cover body 511 is provided with a buckle 513 in an inverted U shape, and the bottom of the compressor bottom shell 221 is also provided with a buckle accommodating groove 2214, and the buckle 513 is elastically clamped in the buckle accommodating groove 2214. Preferably, the sidewall of the buckle accommodating groove 2214 is provided with a clamping protrusion 2215, and one side of the buckle 513 is provided with a groove 5131 matched with the clamping protrusion 2215. When assembling the sound-absorbing cover 51, the buckle 513 is first assembled into the buckle accommodating groove 2214, so that the clamping protrusion 2215 is inserted into the groove 5131, and the relative fixation of the sound-absorbing cover 51 is completed, realizing the closure of the bottoms of the first sound-absorbing cavity 52 and the second sound-absorbing cavity 56. When it is necessary to disassemble the sound-absorbing cover 51, the groove 5131 can be pushed away from the clamping protrusion 2215 by hand, so that the clamping protrusion 2215 is separated from the groove 5131, and the buckle 513 is separated from the accommodating groove. In this way, the sound-absorbing cover 51 can be conveniently disassembled and assembled, facilitating the replacement of the sound-absorbing cotton and daily cleaning.

[0134] Further, a cover body extension 512 protruding upward is arranged on the top of the cover body 511 corresponding to the area of the first sound-absorbing cavity 52, and the cover body extension 512 is embedded in the first sound-absorbing cavity 52 and tightly abuts the inner wall of the first sound-absorbing cavity 52. The sound-absorbing cotton is arranged in the area corresponding to the filtering cavity 522 on the inner side of the cover body extension 512. In this way, the air-tight connection between the cover body 511 and the first sound-absorbing cavity 52 is realized.

[0135] Further, to prevent the gas in the second sound-absorbing cavity 56 from overflowing, as shown in Figure 32 , the air inlet sound-absorbing part 5 further comprises a sealing cover 55 in air-tight connection with the second sound-absorbing cavity 56, and the sealing cover 55 is located above the sound-absorbing cover 51. Since the second sound-absorbing cavity 56 does not need to be maintained frequently, the sealing cover 55 can be fixed on the compressor bottom shell 221 by bolts.

[0136] As shown in Figure 30As shown, the bottom of the compressor bottom shell 221 is also provided with an exhaust mounting groove 2213 adjacent to the buckle accommodating groove 2214, and the exhaust silencing part 6 is detachably mounted in the exhaust mounting groove 2213. In order to facilitate the disassembly and assembly of the silencing cover 51, the bottom height of the exhaust silencing part 6 is set to be greater than the bottom surface height of the buckle 513, that is, the buckle 513 extends downward below the exhaust silencing part 6, so as to reserve sufficient hand operation space between the exhaust silencing part 6 and the buckle 513.

[0137] As shown in Figure 26 and Figure 31 In order to ensure that the exhaust silencing part 6 has sufficient silencing cavities and improve the silencing effect of the exhaust silencing part 6, the top of the exhaust silencing part 6 extends upward into the compressor bottom shell 221 and below the compressor 22. This arrangement helps to make full use of the internal space of the compressor shell assembly 21 and improve the noise reduction effect of the oxygen generator.

[0138] In the above manner, the oxygen generator provided in one or more of the embodiments of the present application is modularly designed in view of the characteristics of the VPSA compressor, integrates the exhaust silencing part 6 and the intake silencing part 5, thereby improving the silent effect of the oxygen generator, and also uniformly discharges the hot gas and nitrogen gas generated by the compressor 22, so that the overall structure of the oxygen generator is more compact.

[0139] In some embodiments of the present application, in order to improve the disassembly and assembly efficiency of the modular oxygen generator, the oxygen outlet pipe 81, the nitrogen discharge pipe 82 and the intake pipe 83 are integrated on one side to facilitate disassembly and assembly. However, due to the increase of the interface, it is difficult to align the hole positions during installation, and one of the three is used as a fixed structure to play a guiding and positioning role, and the other two are adjusted through the movable gap to fine-tune during the docking process with the molecular sieve gas seat 192, thereby ensuring the reliability of the docking, and also reducing the precision requirement in the processing process and improving the assembly efficiency. As shown in Figure 34 and Figure 41 As shown, the molecular sieve module 30 includes a molecular sieve shell 3021, a molecular sieve cylinder 3022 internally provided with molecular sieve material, a molecular sieve inner shell 3023 provided inside the molecular sieve shell 3021 and used to connect the molecular sieve cylinder 3022 and the molecular sieve shell 3021, and the gas distribution valve 7 provided in one or more embodiments of the present application.

[0140] As shown in Figures 34-39As shown, the gas distribution valve 7 includes a valve seat 71, a base interface 72, an oxygen outlet pipe 81, a nitrogen discharge pipe 82 and an air inlet pipe 83. The valve seat 71 is detachably arranged at the bottom of the molecular sieve cylinder 3022, wherein a first oxygen supply pipeline 713 communicating with the oxygen outlet of the molecular sieve cylinder 3022, a nitrogen discharge pipeline 714 communicating with the nitrogen discharge port of the molecular sieve cylinder 3022, and an air inlet pipeline 715 communicating with the air inlet port of the molecular sieve cylinder 3022 are arranged. The base interface 72 is detachably arranged at the bottom of the valve seat 71, wherein a first opening 722 and a second opening 723 are arranged through the base interface 72. The oxygen outlet pipe 81 is fixedly arranged on the base interface 72 and communicates with the first oxygen supply pipeline 713. The nitrogen discharge pipe 82 is limitingly installed in the first opening 722 and has a gap with the first opening 722, and the nitrogen discharge pipe 82 is detachably connected in the valve seat 71 and communicates with the nitrogen discharge pipeline 714. The air inlet pipe 83 is limitingly installed in the second opening 723 and has a gap with the second opening 723, and the air inlet pipe 83 is detachably connected in the valve seat 71 and communicates with the air inlet pipeline 715.

[0141] As shown in Figure 24 , the main frame module 10 includes a main support 11 and an oxygen storage tank 14 arranged in the main support 11. The main support 11 is a main support structure, and the oxygen storage tank 14 is connected with the molecular sieve module 30 and used for storing oxygen separated by the molecular sieve module 30. Specifically, the main support 11 is provided with a compressor gas connection seat 191 for connecting with the gas outlet of the compressor module 20 and the nitrogen inlet, and a molecular sieve gas connection seat 192 for connecting with the oxygen outlet pipe 81, the nitrogen discharge pipe 82 and the air inlet pipe 83. The compressor gas connection seat 191, the molecular sieve gas connection seat 192 and the oxygen storage tank 14 are connected in sequence by pipelines to realize gas path communication.

[0142] Specifically, as shown in Figure 42 and Figure 43 , the main support 11 includes a base portion 111, and the base portion 111 is provided with a gas connection seat mounting groove 1920. The molecular sieve gas connection seat 192 includes a main body portion 1921 and a mounting plate 1922 arranged at the outer periphery of the main body portion 1921. The mounting plate 1922 is embedded in the gas connection seat mounting groove 1920 and detachably connected with the base portion 111. The main body portion 1921 is provided with an oxygen outlet passage 1923, a nitrogen discharge passage 1925 and an air inlet passage 1926. The air inlet passage 1926 is used for connecting the gas outlet of the compressor 22 and the air inlet pipe 83, the nitrogen discharge passage 1925 is used for connecting the nitrogen inlet of the compressor module 20 and the nitrogen discharge pipe 82, and the oxygen outlet passage 1923 is used for connecting the oxygen storage tank 14 and the oxygen outlet pipe 81.

[0143] As shown in Figure 24 , Figure 35 , Figures 41-43As shown, after the molecular sieve module 30 is assembled in place on the base portion 111, the oxygen outlet pipe 81, the nitrogen outlet pipe 82 and the gas inlet pipe 83 are respectively inserted into the oxygen outlet passage 1923, the nitrogen outlet passage 1925 and the gas inlet passage 1926 in the molecular sieve gas connection seat 192 to achieve airtight connection.

[0144] The oxygen production flow path of the oxygen generator is as follows: After being compressed by the compressor 22, the oxygen production flow is transported to the inside of the molecular sieve cylinder 3022 through the gas outlet of the compressor module 20, the compressor gas connection seat 191, the gas inlet passage 1926 of the molecular sieve gas connection seat 192, the gas inlet pipe 83 and the gas inlet of the molecular sieve cylinder 3022, and is separated into oxygen and nitrogen by the molecular sieve material. The separated oxygen is transported to the oxygen storage tank 14 for storage through the oxygen outlet of the molecular sieve cylinder 3022, the first oxygen delivery pipe 713, the oxygen outlet pipe 81, the oxygen outlet passage 1923 of the molecular sieve gas connection seat 192, and is then output from the oxygen outlet at the top of the oxygen storage tank 14 to the oxygen injection valve to output oxygen when a user inhales. The separated nitrogen is discharged through the nitrogen outlet of the molecular sieve cylinder 3022, the nitrogen outlet pipe 714, the nitrogen outlet pipe 82, the nitrogen outlet passage 1925 of the molecular sieve gas connection seat 192 and the external heat dissipation port 216 provided on the shell of the compressor 22 under the negative pressure of the compressor 22. Preferably, the oxygen storage tank 14 includes the oxygen storage tank 14 and an auxiliary oxygen storage tank 141, the oxygen inlet of the auxiliary oxygen storage tank 141 is connected to the oxygen outlet pipe 81 through the oxygen outlet passage 1923 of the molecular sieve gas connection seat 192, and the oxygen outlet of the auxiliary oxygen storage tank 141 is connected to the oxygen storage tank 14.

[0145] One or more embodiments of the present application provide that the gas inlet pipe 83 and the nitrogen outlet pipe 82 of the gas distribution valve 7 are detachably connected to the valve seat 71, the gas inlet pipe 83 and the nitrogen outlet pipe 82 are limited by the base interface 72, and a movable gap is left between the base interface 72 and the gas inlet pipe 83 and the nitrogen outlet pipe 82, so as to realize accurate docking of the gas distribution valve 7 and the molecular sieve gas connection seat 192, and effectively reduce the processing precision requirement of the oxygen generator.

[0146] As shown in Figure 39 and Figure 40 The first opening 722 and the second opening 723 are both step holes penetrating from top to bottom, and the step holes include a large-diameter part (a part with a larger hole diameter) and a small-diameter part (a part with a smaller hole diameter) which are sequentially connected from top to bottom. The nitrogen outlet pipe 82 and the gas inlet pipe 83 each include a pipe body 841 and a protrusion 842 provided on the outer periphery of the pipe body 841, the protrusion 842 is limitedly matched with the large-diameter part of the step hole, so that the pipe body 841 cannot be pulled out of the first opening 722 or the second opening 723; there is a gap between the pipe body 841 and the small-diameter part of the step hole, and the gap allows the nitrogen outlet pipe 82 or the gas inlet pipe 83 to slightly shake in the first opening 722 or the second opening 723, so as to meet the docking requirement of the gas distribution valve 7 and the molecular sieve gas connection seat 192.

[0147] Further, as shown in Figure 38 and Figure 39 , the lower end of the oxygen outlet pipe 81, the nitrogen discharge pipe 82 and the upper and lower ends of the air inlet pipe 83 are all clamped with sealing rings 87. By arranging the sealing rings 87, the pipes can be in airtight connection with the valve seat 71 and the molecular sieve gas connection seat 192, preventing gas overflow.

[0148] The first oxygen supply pipe 713, the nitrogen discharge pipe 714 and the air inlet pipe 715 have various arrangement forms in the valve seat 71. One arrangement form includes a hidden pipe arranged in the valve seat 71 and a gas channel extending outwardly from the valve seat 71, which is detachably connected with the oxygen outlet pipe 81, the nitrogen discharge pipe 82 or the air inlet pipe 83; another arrangement form, as shown in Figure 37 and Figure 38 , includes a hidden pipe arranged in the valve seat 71 and an exposed interface. In one specific embodiment of the present application, the nitrogen discharge pipe 714 includes a first interface formed in the valve seat 71, and the upper end of the nitrogen discharge pipe 82 is inserted into the first interface; the air inlet pipe 715 includes a second interface formed in the valve seat 71, and the upper end of the air inlet pipe 83 is inserted into the second interface; the first oxygen supply pipe 713 includes a third interface formed in the valve seat 71, and the base interface 72 is provided with a second oxygen supply pipe 721 connected with the oxygen outlet pipe 81, which includes an extension arranged at the bottom of the base interface 72 and extending downwardly, and the extension is clamped and connected with the third interface.

[0149] Since the air inlet and the oxygen outlet of the molecular sieve cylinder 3022 are both located at the bottom of the molecular sieve cylinder 3022, a one-way valve is arranged in the first oxygen supply pipe 713 to prevent oxygen from flowing back into the oxygen outlet of the molecular sieve cylinder 3022. In addition, in order to facilitate assembly of the molecular sieve module 30, the main part of the valve seat 71 is in the shape of a rectangular cover, so that the valve seat 71 can be in sealing connection with the bottom of the molecular sieve cylinder 3022 as a bottom end cover of the molecular sieve cylinder 3022.

[0150] Further, as shown in Figure 34 , Figure 36 and Figure 37 , the valve seat 71 is further provided with an equalizing valve mounting hole 711 for mounting an equalizing valve and an electromagnetic valve mounting hole 712 for mounting an electromagnetic valve 88. The base interface 72 is preferably in the shape of a T, which is arranged away from the equalizing valve mounting hole 711 and the electromagnetic valve mounting hole 712, which is conducive to miniaturization of the gas distribution valve 7 and saves installation space.

[0151] As shown in Figure 24 and Figure 35As shown, the bottom of the molecular sieve inner shell 3023 is provided with a slot 3031, the oxygen outlet pipe 81, the nitrogen discharge pipe 82 and the air inlet pipe 83 all extend downwardly and pass through the slot 3031, so as to realize the butt joint with the molecular sieve gas connection seat 192 on the main support 11.

[0152] As shown in Figure 37 , Figure 38 and Figure 41 , the main support module 10 is provided with a first threaded hole, the main body part 1921 of the molecular sieve gas connection seat 192 is also provided with a second threaded hole 1924, the base interface 72 is provided with a third threaded hole 724, and the fastener 89 passes through the first threaded hole, the second threaded hole 1924 and the third threaded hole 724 from bottom to top, so as to fasten and connect the main support module 10, the molecular sieve gas connection seat 192 and the base interface 72. The fastener 89 is specifically a screw. Meanwhile, the valve seat 71 is also provided with a connecting hole 716, and the connecting hole 716 is fastened and connected with the molecular sieve cylinder 3022 by a screw.

[0153] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified by those of ordinary skill in the art, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the present application.

Claims

1. A modular oxygen generator, characterized in that, include: The main frame module includes a main support frame, an oxygen storage tank housed within the main support frame, and control components; The compressor module is located on one side of the main support and is slidably and detachably connected to the main support through a first disassembly structure; The molecular sieve module is located on the other side of the main support and is slidably and detachably connected to the main support through a second disassembly structure. The battery module is located on the lower side of the main bracket and is slidably and detachably connected to the main bracket via a third disassembly structure. The compressor module, molecular sieve module, and battery module are electrically connected to the main frame module through electrical connector structures. The main frame module is equipped with a compressor gas inlet seat that connects to the outlet of the compressor module and a molecular sieve gas inlet seat that connects to the inlet and outlet of the molecular sieve module. The compressor gas inlet seat, the molecular sieve gas inlet seat, and the oxygen storage tank are connected in sequence through pipelines to achieve gas path communication.

2. The modular oxygen generator according to claim 1, characterized in that, Both the first disassembly structure and the second disassembly structure are located at the bottom of the main bracket. After the battery module is disassembled, the first disassembly structure and the second disassembly structure can be unlocked.

3. The modular oxygen generator according to claim 1, characterized in that, A first sliding groove structure is provided between the battery module and the bottom surface of the main bracket, through which the battery module can be disassembled and assembled in the horizontal direction.

4. The modular oxygen generator according to claim 1, characterized in that, One side of the main support has a side opening structure, and the compressor module is embedded in the side opening structure. A second sliding groove structure is provided between the upper end and / or lower end of the side opening structure and the compressor module. The compressor module is assembled and disassembled in the horizontal direction using the second sliding groove structure.

5. The modular oxygen generator according to claim 4, characterized in that, The compressor module includes a compressor housing assembly and a compressor disposed within the compressor housing assembly; The upper side of the main support is provided with an air inlet, and the top surface of the side opening structure is provided with an air outlet. Outside air enters through the air inlet and exits through the air outlet, forming an oxygen-generating flow. The top of the compressor housing assembly is provided with an air inlet chamber corresponding to the air outlet, and the air inlet chamber introduces the oxygen-generating flow into the compressor through an air guide pipe.

6. The modular oxygen generator according to claim 5, characterized in that, The top surface of the side opening structure is also provided with an air outlet, and a fan is provided in the main support inside the air outlet. The airflow entering through the air inlet and exiting through the air outlet forms a heat dissipation airflow; The top of the compressor housing assembly is provided with an air inlet area corresponding to the air outlet, and the heat dissipation airflow flows into the compressor housing assembly through the air inlet area; The compressor housing assembly has an external heat dissipation vent, through which at least a portion of the cooling airflow is output to the outside.

7. The modular oxygen generator according to claim 6, characterized in that, The compressor housing assembly is also provided with an internal heat dissipation vent, through which part of the heat dissipation airflow flows to the molecular sieve module.

8. The modular oxygen generator according to claim 6, characterized in that, The control component is located on the upper part of the main support, and the heat dissipation airflow flows through the control component; The oxygen storage tank is vertically positioned in the middle of the main support; the compressor module and the molecular sieve module are located on both sides of the oxygen storage tank; An auxiliary oxygen storage tank is provided at the bottom of the main support, and the auxiliary oxygen storage tank is connected in series with the main oxygen storage tank.

9. The modular oxygen generator according to claim 4, characterized in that, The compressor air inlet is located at the bottom inner side of the side opening structure; The compressor module has a compressor outlet port that communicates with the compressor exhaust port on the side of the side opening structure. After the compressor module is assembled in the horizontal direction, the compressor outlet port is inserted into the compressor air inlet to achieve an airtight connection.

10. The modular oxygen generator according to claim 4, characterized in that, The compressor module includes a compressor housing assembly and a vacuum pressure swing adsorption compressor disposed within the compressor housing assembly. The vacuum pressure swing adsorption compressor includes a positive pressure inlet, a positive pressure outlet, a negative pressure inlet, and a negative pressure outlet. The positive pressure outlet is connected to the air inlet of the molecular sieve module. The nitrogen vent of the molecular sieve module is connected to the negative pressure air inlet.

11. The modular oxygen generator according to claim 10, characterized in that, The compressor module further includes an intake silencer and an exhaust silencer disposed at the bottom of the compressor housing assembly. The intake silencer is connected to the positive pressure intake port, and the exhaust silencer is connected to the negative pressure outlet port.

12. The modular oxygen generator according to claim 10, characterized in that, It also includes a gas distribution valve, through which the molecular sieve module is connected to the main frame module via a gas path. The molecular sieve module includes a molecular sieve cylinder containing molecular sieve material. The gas distribution valve includes: A valve seat is provided at the bottom of the molecular sieve cylinder, wherein a first oxygen supply pipeline is connected to the oxygen outlet of the molecular sieve cylinder, a nitrogen discharge pipeline is connected to the nitrogen discharge outlet of the molecular sieve cylinder, and an air inlet pipeline is connected to the air inlet of the molecular sieve cylinder. The base interface is located on the valve seat and has two through holes; Oxygen outlet tube; Nitrogen removal pipe; Intake pipe; The oxygen outlet pipe, the nitrogen discharge pipe, and the air inlet pipe are respectively connected to the first oxygen supply pipeline, the nitrogen discharge pipeline, and the air inlet pipeline; Any one of the oxygen outlet pipe, the nitrogen exhaust pipe, and the air inlet pipe is fixedly installed on the base interface or valve seat, and the remaining two are limited and installed in the opening with a gap between them and the opening, and are detachably connected to the valve seat.

13. The modular oxygen generator according to claim 12, characterized in that, The oxygen outlet pipe is fixedly installed at the base interface; The two through openings are the first opening and the second opening; The nitrogen exhaust pipe is installed in the first opening, and the air intake pipe is installed in the second opening.

14. The modular oxygen generator according to claim 13, characterized in that, Both the first opening and the second opening are stepped openings. Both the nitrogen exhaust pipe and the air inlet pipe include a pipe body and a protrusion on the outer periphery of the pipe body. The protrusion is matched with the large diameter portion of the stepped opening, and there is a gap between the pipe body and the small diameter portion of the stepped opening.

15. The modular oxygen generator according to claim 1, characterized in that, The molecular sieve module is detached and installed on the main support by sliding along the vertical direction.

16. The modular oxygen generator according to claim 15, characterized in that, The molecular sieve gas inlet seat is located on the side of the main support away from the compressor module, and the molecular sieve gas inlet seat has an inlet channel and an oxygen outlet channel. The bottom of the molecular sieve module is equipped with a molecular sieve air inlet and a molecular sieve oxygen outlet. After the molecular sieve module is assembled in the vertical direction, the molecular sieve air inlet and oxygen outlet are respectively inserted into the air inlet channel and oxygen outlet channel in the molecular sieve air receiving seat to achieve airtight connection. The other end of the air intake channel is connected to the compressor air inlet via a pipeline, and the other end of the oxygen outlet channel is connected to the oxygen storage tank via a pipeline.

17. The modular oxygen generator according to claim 2, characterized in that, The first disassembly structure includes: The filter chamber opening is located at the bottom of the compressor module, and the filter chamber opening is connected to a filter chamber located inside the compressor module for filtering the compressor intake air; A cover is detachably disposed at the opening of the filter chamber for opening or closing the filter chamber; The main frame opening is formed on the main support, and its size is adapted to the cover body so that the cover body can be disassembled or installed through the main frame opening.

18. The modular oxygen generator according to claim 17, characterized in that, The cover has a cover extension that extends at least partially into the main frame opening to restrict sliding movement between the compressor module and the main support.

19. The modular oxygen generator according to claim 1, characterized in that, The first disassembly structure further includes a limiting connector, which is disposed between the main support and the compressor module; the limiting connector is a quick-release bolt. The second disassembly structure includes: Molecular sieve fasteners are located at the bottom of the main support; the molecular sieve fasteners have fastening posts and handles located at the lower end of the fastening posts; the bottom surface of the main support is provided with a receiving groove for accommodating the handle; the main support is provided with a molecular sieve gas inlet seat for communicating with the internal gas path of the molecular sieve module, and the molecular sieve gas inlet seat is provided with a through hole that runs vertically through the molecular sieve fasteners. Fastening holes are provided at the bottom of the molecular sieve module and are configured to cooperate with the molecular sieve fasteners; The third disassembly structure includes: A limiting slot is provided on the bottom surface of the main bracket. A quick-release assembly, mounted on the battery module, includes a battery button and a latching component; the latching component engages with the limiting slot to limit the displacement of the battery module along the sliding direction; the battery button drives the latching component to move so that it exits the limiting slot, thereby releasing the engagement state between the latching component and the limiting slot.

20. A modular oxygen generator, characterized in that, include: Main support; A compressor module and a molecular sieve module, wherein at least one of the compressor module and the molecular sieve module is slidably and detachably connected to the main support; The locking / unlocking mechanism is configured to lock or unlock the compressor module and / or the molecular sieve module to a slidable, detachable state; The battery module, located at the bottom of the main bracket, obstructs the locking / unlocking mechanism when installed.

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