Air filtering device for oxygen generator
The automatic cleaning air filter device solves the problem of manual cleaning required for traditional oxygen concentrator filters, enabling automatic replacement and cleaning of the filter plates and improving the working efficiency of the oxygen concentrator.
Patent Information
- Application Number
- CN202520303532.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Traditional oxygen concentrators require regular manual cleaning of their air filters, which is time-consuming, labor-intensive, and affects work efficiency.
An automatic cleaning air filtration device was designed, which achieves automatic cleaning and drying of the filter plates through a rotating drum, a motor-driven filter plate replacement, and the cooperation of a water pump and an air pump.
It enables automatic replacement and cleaning of filter plates, reducing maintenance difficulty and improving the working efficiency of oxygen generators.
Smart Images

Figure CN223887663U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oxygen generator air filter technical field, more specifically, relate to an air filter device for oxygen generator. BACKGROUND
[0002] The air filter device of oxygen generator is usually a primary filter, and the purpose of the filter is to remove particulate matter and dust in the air to ensure that the air entering the oxygen generator is clean, thereby improving the oxygen production efficiency and protecting the equipment.
[0003] The air filter device of the conventional oxygen generator uses a filter screen to filter particulate matter and dust in the air. However, after long-term use of the filter screen, a large amount of particulate matter and dust will adhere to the surface of the filter screen, which requires regular maintenance and cleaning by manual operation. The cleaning process is very time-consuming and labor-intensive, and the oxygen generator cannot work during the cleaning process, which affects the working efficiency of the oxygen generator. UTILITY MODEL CONTENT
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an air filter device for an oxygen generator, which can automatically clean the replaced filter plate and solve the above-mentioned background technical problems.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An air filter device for an oxygen generator, comprising a body, an air inlet pipe is communicated with the air inlet end of the body, a cylinder is sleeved with the left end of the air inlet pipe and fixedly connected therewith, a rotating cylinder is rotatably connected to the inner wall of the cylinder, an electric motor is fixedly connected to the left side of the cylinder, the output shaft of the electric motor penetrates the cylinder and is fixedly connected with the rotating cylinder, three through grooves are formed in the rotating cylinder, the left end of the air inlet pipe corresponds to the topmost through groove, filter plates are fixedly connected to the inner walls of the three through grooves, three conduits are fixedly connected to the left side of the cylinder and communicated therewith, the right ends of the three conduits correspond to the three through grooves respectively, two cleaning pipes are fixedly connected to the right side of the cylinder and communicated therewith, the left ends of the two cleaning pipes correspond to the two bottom through grooves respectively, a water pump is installed on the front cleaning pipe, a return pipe is communicated with the back cleaning pipe, the left end of the return pipe is communicated with the back conduit, an air pump is installed on the return pipe, a dehumidifying box is sleeved with the return pipe and communicated therewith, a sliding frame is slidably connected to the top of the dehumidifying box, and a moisture absorbing layer is fixedly connected to the inner side of the sliding frame.
[0007] Further description of the above technical scheme:
[0008] A controller is installed on the right side of the cylinder, and the output end of the controller is signal connected with the electric motor.
[0009] As a further description of the above technical solutions:
[0010] The flow sensor is installed on the air inlet pipe, and the output end of the flow sensor is signal connected with the controller.
[0011] As a further description of the above technical solutions:
[0012] The cleaning pipe is sleeved with a processing box in communication therewith, and the processing box is provided with annularly distributed heating rods.
[0013] As a further description of the above technical solutions:
[0014] The inner wall of the cylinder is fixedly connected with two groups of annularly distributed sealing rings, and one side of each of the two groups of sealing rings is in contact with the rotating cylinder.
[0015] Compared with the prior art, the advantages of the present application are that:
[0016] The present application can realize automatic replacement of the filter plate for filtering air, can save the cost of manual replacement, can realize automatic cleaning of the replaced filter plate, effectively reduces the difficulty of maintenance and cleaning, and the oxygen generator can work normally during the process of maintaining and cleaning the filter plate, effectively improving the working efficiency of the oxygen generator. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a perspective view of the present application;
[0018] Figure 2 It is a second perspective view of the present application;
[0019] Figure 3 It is a third perspective view of the present application;
[0020] Figure 4 It is a front view and a sectional view of the present application;
[0021] Figure 5 It is a side view and a sectional view of the cylinder in the present application.
[0022] Explanation of reference numerals in the drawing:
[0023] 1, body; 2, air inlet pipe; 3, cylinder; 4, rotating cylinder; 5, motor; 6, through slot; 7, filter plate; 8, conduit; 9, cleaning pipe; 10, water pump; 11, return pipe; 12, air pump; 13, dehumidification box; 14, sliding frame; 15, moisture absorbing layer; 16, controller; 17, flow sensor; 18, processing box; 19, heating rod; 20, sealing ring. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0025] Please refer to Figures 1 to 5 The utility model discloses: a kind of air filtering device for oxygen generator, including body 1, the air inlet of body 1 is communicated with air inlet pipe 2, the left end of air inlet pipe 2 is sleeved with the fixed connection of its cylinder 3, the inner wall of cylinder 3 is rotatably connected with rotating cylinder 4, the left side of cylinder 3 is fixedly connected with motor 5, the output shaft of motor 5 penetrates cylinder 3 and is fixedly connected with rotating cylinder 4, three through slots 6 are formed in rotating cylinder 4, the left end of air inlet pipe 2 corresponds with the topmost through slot 6, the inner wall of three through slots 6 is fixedly connected with filter plate 7, the left side of cylinder 3 is fixedly connected with three ducts 8 connected therewith, the right end of three ducts 8 corresponds with three through slots 6 respectively, the right side of cylinder 3 is fixedly connected with two cleaning pipes 9 connected therewith, the left end of two cleaning pipes 9 corresponds with two bottom through slots 6 respectively, water pump 10 is installed on front cleaning pipe 9, back cleaning pipe 9 is communicated with reflux pipe 11, the left end of reflux pipe 11 is connected with back duct 8, air pump 12 is installed on reflux pipe 11, dehumidification box 13 is sleeved on reflux pipe 11 and connected therewith, the top of dehumidification box 13 is inserted with sliding frame 14 slidably connected therewith, the inner side of sliding frame 14 is fixedly connected with moisture absorbing layer 15.
[0026] In the utility model, body 1 will be after opening air is drawn into cylinder 3 through the duct 8 of top, then air will pass through the through slot 6 of top and enter body 1 through air inlet pipe 2, then body 1 will carry out oxygen production, when air passes through through slot 6, filter plate 7 will filter particulate matter and dust in air, to realize the filtration treatment of air.
[0027] After using for a period of time, the surface of filter plate 7 in top through slot 6 will be attached with a large amount of dust and particulate matter, when affecting the air intake requirement of body 1, user starts motor 5 to drive rotating cylinder 4 to rotate one hundred and twenty degrees, at this time, filter plate 7 in back through slot 6 is used to filter air, to complete the replacement of filter plate 7, keep the effect of air filtration, then filter plate 7 attached with a large amount of dust and particulate matter will be moved to between front duct 8 and cleaning pipe 9, at this time, user connects front cleaning pipe 9 with water pipe, starts water pump 10, water pump 10 will draw water into through slot 6 and pass through filter plate 7, when water passes through filter plate 7 reversely, the purpose of backflush cleaning of filter plate 7 can be realized, water will take away dust attached to the surface of filter plate 7 and discharge from front duct 8, duct 8 can be connected with sewer or sewage treatment equipment.
[0028] With the air filter, need to replace the filter plate 7, also by opening the motor 5 driven rotating drum 4 rotation, can move another unused filter plate 7 to the top for air filtration, similarly attached with dust and particulate filter plate 7 will be aligned with the front pipe 8 and cleaning pipe 9, then the filter plate 7 can be cleaned, achieve the effect of filter plate 7 replacement and cleaning synchronization, and after cleaning the filter plate 7 will be moved to the back with the pipe 8 and cleaning pipe 9 alignment position, the user opens the air pump 12 can be cleaned into the pipe 9 air into the slot 6, air will pass through the filter plate 7 and through the pipe 8 into the return pipe 11, air will be dehumidified box 13 in the moisture absorbing layer 15 to absorb moisture, then the air will pass through the filter plate 7 again, complete the cycle of air, air in the process of circulation can be dried on the surface of the filter plate 7, thereby completing the cleaning and drying effect of the filter plate 7, the filter plate 7 can be used again after cleaning and drying, effectively improve the practicability of the device.
[0029] Please refer to Figure 1 Wherein: the right side of the cylinder 3 is provided with a controller 16, and the output end of the controller 16 is signal connected with the motor 5.
[0030] In the utility model, the controller 16 can be conveniently controlled by the user to open and close the motor 5, thereby improving the practicability of the device.
[0031] Please refer to Figure 1 Wherein: the air inlet pipe 2 is provided with a flow sensor 17, and the output end of the flow sensor 17 is signal connected with the controller 16.
[0032] In the utility model, the flow sensor 17 can detect the air flow entering the body 1, and the power used by the body 1 to inhale air is unchanged. If the air flow decreases, it indicates that the filter plate 7 is blocked, thereby facilitating the user to replace the filter plate 7 in the first time, and improving the practicability of the device.
[0033] Please refer to Figure 2 Wherein: the back cleaning pipe 9 is provided with a treatment box 18 communicated therewith, and the treatment box 18 is provided with a plurality of annularly distributed heating rods 19.
[0034] In the utility model, the heating rods 19 on the treatment box 18 can heat the air, and the heated air can improve the efficiency of drying the filter plate 7, thereby improving the practicability of the device.
[0035] Please refer to Figure 4 And 5 Wherein: the inner wall of the cylinder 3 is fixedly connected with two groups of annularly distributed sealing rings 20, and one side of the two groups of sealing rings 20 is in contact with the rotating drum 4.
[0036] The sealing ring 20 can seal the space between the cylinder 3 and the rotating cylinder 4, so that the air leakage is avoided, and the practicability of the device is improved.
[0037] The above is only a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An air filtration device for an oxygen generator, comprising a body (1), characterized in that: The air intake end of the main body (1) is connected to an air intake pipe (2). A cylinder (3) is fixedly connected to the left end of the air intake pipe (2). A rotating cylinder (4) is rotatably connected to the inner wall of the cylinder (3). A motor (5) is fixedly connected to the left side of the cylinder (3). The output shaft of the motor (5) passes through the cylinder (3) and is fixedly connected to the rotating cylinder (4). Three through slots (6) are provided on the rotating cylinder (4). The left end of the air intake pipe (2) corresponds to the topmost through slot (6). A filter plate (7) is fixedly connected to the inner wall of each of the three through slots (6). Three conduits (8) are fixedly connected to the left side of the cylinder (3). The right ends of the three conduits (8) are respectively connected to three... Corresponding to the through slot (6), two cleaning pipes (9) are fixedly connected to the right side of the cylinder (3). The left ends of the two cleaning pipes (9) are respectively connected to the two through slots (6) at the bottom. A water pump (10) is installed on the front cleaning pipe (9). A return pipe (11) is connected to the back cleaning pipe (9). The left end of the return pipe (11) is connected to the back conduit (8). An air pump (12) is installed on the return pipe (11). A dehumidifying box (13) is sleeved on the return pipe (11) and connected to it. A sliding frame (14) is inserted through the top of the dehumidifying box (13) and slidably connected to it. A moisture-absorbing layer (15) is fixedly connected to the inner side of the sliding frame (14).
2. An air filtration device for an oxygen generator according to claim 1, characterized in that: A controller (16) is installed on the right side of the cylinder (3), and the output of the controller (16) is connected to the motor (5) via a signal.
3. An air filtration device for an oxygen generator according to claim 2, characterized in that: A flow sensor (17) is installed on the air intake pipe (2), and the output end of the flow sensor (17) is connected to the controller (16) via signal.
4. An air filtration device for an oxygen concentrator according to claim 1, characterized in that: The cleaning tube (9) on the back is fitted with a processing box (18) that is connected to it, and heating rods (19) arranged in a ring are inserted through the processing box (18).
5. An air filtration device for an oxygen generator according to claim 1, characterized in that: The inner wall of the cylinder (3) is fixedly connected with two sets of annularly distributed sealing rings (20), and one side of each set of sealing rings (20) is in contact with the rotating cylinder (4).