Automatic cleaning double oil filter for ship

Abstract

This invention discloses an automatic cleaning dual oil filter for ships, relating to the field of marine technology. It includes a filter cartridge body, an oil inlet chamber, an oil outlet chamber, and a control box. The oil inlet chamber has a support frame and a differential pressure chamber. The support frame houses a first motor, which is connected to a connecting shaft. The connecting shaft is connected to a pneumatic column, which is connected to a telescopic air bladder. The telescopic air bladder is connected to a pressure air bladder, and the telescopic air bladder has a propulsion column. The connecting shaft has a second sliding groove. The differential pressure chamber has a switch, which is slidably connected to an electrical contact block. The propulsion column is connected to symmetrical levers. A second oil passage pipe is fixedly connected to the filter cartridge body via a flange. A partition is fixedly installed inside the filter cartridge body, and a filter element is installed in the partition. The filter cartridge body also houses a second motor. This invention can automatically switch to another filter cartridge when the pressure drop inside the oil filter reaches a specified value. Simultaneously, a rotating cleaning brush thoroughly cleans the inside of any clogged filter element, ensuring uninterrupted operation of the oil filter and making it suitable for widespread application.

Description

Technical Field

[0001] This invention belongs to the field of marine technology, specifically relating to an automatic cleaning dual oil filter for ships. Background Technology

[0002] Dual oil filters are used to filter fuel and lubricating oil, removing oil-insoluble contaminants to maintain oil cleanliness. Under normal operating conditions, when the pressure drop of the working filter element exceeds the specified value, the switching valve should be turned to switch to the other filter chamber, and the original filter chamber should be inspected and cleaned to ensure continuous and normal operation of the oil filter.

[0003] When the filter element becomes clogged during the operation of a ship's main engine, the engine must be stopped to clean the filter element, which cannot guarantee the safety of the ship's operation. If a blockage occurs, it will seriously affect the operation of the main engine. However, the dual oil filter requires manual switching of the switching valve and manual cleaning of the clogged filter element, which is prone to errors. Therefore, this invention proposes an automatic cleaning dual oil filter that can automatically switch to the other filter cartridge when the pressure drop inside the oil filter reaches a specified value, and at the same time use a rotating cleaning brush to thoroughly clean the inside of the clogged filter element, so that the oil filter can work without interruption. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic cleaning dual oil filter for ships, which can automatically switch to another filter cartridge to work after the pressure drop inside the oil filter reaches a specified value. At the same time, a rotating cleaning brush thoroughly cleans the inside of the clogged filter element, so that the oil filter can work continuously and is suitable for widespread application.

[0005] This invention provides the following technical solution: an automatic cleaning dual oil filter for ships, comprising a filter housing, an oil inlet chamber, an oil outlet chamber, and a control box. A first oil passage pipe is fixedly installed at both ends of the oil inlet chamber, and a second oil passage pipe is fixedly installed on both sides of the oil inlet chamber. A support frame is fixedly installed on the upper side of the oil inlet chamber, and a differential pressure chamber is fixedly installed at the center point of the upper end of the oil inlet chamber. A first motor is fixedly installed on the support frame, and the output shaft of the first motor is connected to a connecting shaft via a gear meshing connection. The connecting shaft passes through the differential pressure chamber and is fixed within the oil inlet chamber. A pneumatic column is connected, and a telescopic airbag is fixedly connected to the bottom of the pneumatic column. A pressure airbag is fixedly connected to the bottom of the telescopic airbag through the pneumatic column. A propulsion column is fixedly provided at the top of the telescopic airbag. The propulsion column extends to a connecting shaft and is slidably connected to its interior. A symmetrical second sliding groove is provided on the connecting shaft. A switch is fixedly provided on the side wall of the differential pressure chamber. A first sliding groove is provided on the switch. A power-connecting lever is slidably connected to the first sliding groove. A symmetrical lever is fixedly connected to the top of the propulsion column. The lever passes through the second sliding groove and is positioned opposite to the power-connecting lever.

[0006] The second oil passage pipe is fixedly connected to the filter cartridge body via a flange. A partition is fixedly provided inside the filter cartridge body, and a filter element is fixedly provided at the center point of the partition. A second motor is fixedly provided at the top of the filter cartridge body, and a second gear is fixedly connected to the output shaft of the second motor. A stabilizing column is fixedly provided at the center of the top of the filter cartridge body. A first gear is rotatably connected to the stabilizing column via a slot. The first gear and the second gear are connected by toothed connections. A rotating rod is provided through the stabilizing column and the first gear. The rotating rod is threadedly connected to the stabilizing column and the first gear via a rotating thread. A placement groove is provided at the bottom of the filter element. The rotating rod extends to the placement groove and is fixedly connected to a base. A cleaning brush is fixedly provided on the base.

[0007] Preferably, a sealing column is fixedly provided at the four sides of the oil inlet chamber, and a partition is fixedly connected to the air pressure column. The partition and the sealing column are slidably and tightly connected, and the partition and the sealing column divide the oil inlet chamber into two spaces.

[0008] Preferably, the oil outlet chamber is fixedly provided with the same first oil passage pipe, second oil passage pipe, and sealing column as the oil inlet chamber. The air pressure column passes through the oil inlet chamber and is fixedly connected to a connecting rod. The connecting rod passes through the oil outlet chamber and is fixedly connected to a rotating shaft. The rotating shaft is fixedly connected to a partition. The partition and the sealing column divide the oil outlet chamber into two spaces.

[0009] Preferably, the connection point between the second oil passage pipe connected to the oil inlet chamber and the filter cartridge body is located above the partition, and the connection point between the second oil passage pipe connected to the oil outlet chamber and the filter cartridge body is located below the partition. The first oil passage pipe in front of the oil inlet chamber and the oil outlet chamber is connected to an oil pipe through a flange, and the first oil passage pipe behind them is connected to a waste liquid pipe through a flange.

[0010] Preferably, a control box is fixedly mounted on the support frame, and the second motor is fixedly connected to the control box via a connecting frame. The control box is connected to the power supply signals of the first motor and the second motor.

[0011] Preferably, the connection between the connecting rod and the oil inlet chamber and the oil outlet chamber is a sealed connection, and the connection between the stabilizing column and the rotating rod is a sealed connection.

[0012] Preferably, the cleaning brush is a flexible plastic brush that returns to its original position after being removed from the placement slot and extends to the filter holes of the filter element.

[0013] The beneficial effects of this invention are as follows: When the pressure drop inside the oil filter reaches a specified value, it can automatically switch to another filter cartridge for operation. Simultaneously, a rotating cleaning brush thoroughly cleans the inside of the clogged filter element, ensuring uninterrupted operation of the oil filter. Specifically:

[0014] (1) The present invention is provided with an oil inlet chamber and an air pressure column. The oil to be filtered is introduced into the first oil pipe through the partition and the sealing column and guided to the filter cylinder body on one side. The filter element on the filter cylinder body filters the oil. The oil flows into the oil outlet chamber through the second oil pipe connected to the oil outlet chamber and is guided to the first oil pipe through the partition and the sealing column. After the filter element accumulates and becomes blocked during filtration, the pressure in the oil inlet chamber increases, which squeezes the pressure airbag and increases the pressure in the telescopic airbag. The telescopic airbag pushes the push column and pushes the lever forward. When the pressure reaches the specified value, the lever pushes the power-connecting block to open the switch. The control box controls the output shaft of the first motor to rotate half a turn, so that the position of the partition changes and the oil is guided to another filter cylinder body.

[0015] (2) The present invention is equipped with a cleaning brush. After the control box rotates the first motor, the control box starts the second motor of the filter cartridge body in the idle position. The first gear is rotated through the gear connection. When the first gear rotates, the rotating rod is driven to rotate through the rotating thread. The rotating rod rises and falls with the thread during the rotation. The base at the bottom of the rotating rod is released from the placement groove, and the cleaning brush is reset. Under the drive of the rotating rod, the inside of the filter element is brushed. At the same time as the second motor is running, the first oil passage pipe at the rear of the oil outlet chamber is used to pass cleaning fluid to clean the filter element in reverse and discharge it from the first oil passage pipe at the rear of the oil inlet chamber. The second motor runs repeatedly to brush the filter element back and forth.

[0016] (3) The present invention is equipped with a control box. During the operation of the device, after the pressure in the oil inlet chamber reaches a certain value, the control box sends a command to the first motor after the switch is turned on, so that the partition guides the oil to another filter cartridge. After the first motor stops running, the control box commands the second motor to run, brush the filter element, and flush the cleaning liquid in the reverse direction. The fully automatic operation of the device is realized through the control box, avoiding the omissions caused by human operation. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is an overall schematic diagram of the present invention;

[0019] Figure 2 This is a cross-sectional view of the present invention;

[0020] Figure 3 This is a cross-sectional view of the oil inlet chamber of the present invention;

[0021] Figure 4 This is an enlarged view of point A in this invention;

[0022] Figure 5This is an enlarged view of point B in this invention;

[0023] Figure 6 This is an enlarged view of point C in this invention;

[0024] The components in the diagram are labeled as follows: 1. Filter cartridge, 2. Oil inlet chamber, 3. Oil outlet chamber, 4. First oil passage pipe, 5. Second oil passage pipe, 6. Support frame, 7. Differential pressure chamber, 8. First motor, 9. Rotating rod, 10. First gear, 11. Second motor, 12. Second gear, 13. Connecting frame, 14. Stabilizing column, 15. Partition, 16. Filter element, 17. Cleaning brush, 18. Connecting shaft, 19. Air pressure column, 20. Rotating shaft, 21. Partition plate, 22. Sealing column, 23. Telescopic airbag, 24. Pressure airbag, 25. Control box, 26. Switch, 27. First slide groove, 28. Power connection block, 29. Connecting plate, 30. Second slide groove, 31. Toggle rod, 32. Push column, 33. Connecting rod, 34. Rotary thread, 35. Placement groove, 36. Base. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0026] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

[0029] See Figures 1-4An automatic cleaning dual oil filter for ships includes a filter housing 1, an oil inlet chamber 2, an oil outlet chamber 3, and a control box 25. First oil passage pipes 4 are fixedly installed at both ends of the oil inlet chamber 2, transmitting oil through the front first oil passage pipe 4 and cleaning fluid through the rear first oil passage pipe 4. Second oil passage pipes 5 are fixedly installed on the left and right sides of the oil inlet chamber 2. A support frame 6 is fixedly installed on the upper side of the oil inlet chamber 2. A differential pressure chamber 7 is fixedly installed at the center point of the upper end of the oil inlet chamber 2. A first motor 8 is fixedly installed on the support frame 6, driving a partition 21 to rotate. The output shaft of the first motor 8 is connected to a connecting shaft 18 via a gear meshing connection disc 29. The connecting shaft 18 passes through the differential pressure chamber 7 and is fixedly connected to a pressure column 19 inside the oil inlet chamber 2. A telescopic airbag 23 is fixedly connected to the bottom of the air pressure column 19. The telescopic airbag 23 passes through the air pressure column 19 and is fixedly connected to a pressure airbag 24. Pressure is transmitted through the pressure airbag 24 to cause the telescopic airbag 23 to extend and retract. A propulsion column 32 is fixedly provided at the top of the telescopic airbag 23. The propulsion column 32 extends to the connecting shaft 18 and is slidably connected to its interior. A symmetrical second slide groove 30 is provided on the connecting shaft 18. A switch 26 is fixedly provided on the side wall of the differential pressure chamber 7. A first slide groove 27 is provided on the switch 26. A power-connecting lever 28 is slidably connected to the first slide groove 27. A symmetrical lever 31 is fixedly connected to the top of the propulsion column 32. The lever 31 passes through the second slide groove 30 and is positioned opposite to the power-connecting lever 28. The switch 26 is turned on by lever 31.

[0030] See Figure 2 , 5 6. The second oil pipe 5 is fixedly connected to the filter cartridge body 1 through a flange. A partition 15 is fixedly provided inside the filter cartridge body 1. A filter element 16 is fixedly provided at the center point of the partition 15. A second motor 11 is fixedly provided at the top of the filter cartridge body 1. The second motor 11 drives the first gear 10. The output shaft of the second motor 11 is fixedly connected to the second gear 12. A stabilizing column 14 is fixedly provided at the center of the top of the filter cartridge body 1. The stabilizing column 14 is rotatably connected to the first gear 10 through a slot. The first gear 10 drives the rotating thread 34 to rotate and rise. The first gear 10 and the second gear 12 are connected by toothed threads. A rotating rod 9 passes through the stabilizing column 14 and the first gear 10. The rotating rod 9 is threadedly connected to the stabilizing column 14 and the first gear 10 through the rotating thread 34. A placement groove 35 is provided at the bottom of the filter element 16. The rotating rod 9 extends to the placement groove 35 and is fixedly connected to the base 36. A cleaning brush 17 is fixedly provided on the base 36. The cleaning brush 17 is used to clean the filter element 16.

[0031] See Figure 3 The oil inlet chamber 2 is fixedly provided with sealing columns 22 on all four sides. The air pressure column 19 is fixedly connected with a partition 21. The partition 21 and the sealing column 22 are slidably and sealed together. The partition 21 and the sealing column 22 divide the oil inlet chamber 2 into two spaces, so that the oil inlet chamber 2 can guide the oil to different filter cartridges 1 through the partition 21.

[0032] SeeFigure 2 The oil outlet chamber 3 is fixedly equipped with the same first oil passage pipe 4, second oil passage pipe 5, and sealing column 22 as the oil inlet chamber 2. The air pressure column 19 passes through the oil inlet chamber 2 and is fixedly connected to the connecting rod 33. The connecting rod 33 passes through the oil outlet chamber 3 and is fixedly connected to the rotating shaft 20. The rotating shaft 20 is fixedly connected to the partition 21. The partition 21 and the sealing column 22 divide the oil outlet chamber 3 into two spaces, so that the oil outlet chamber 3 can guide the oil to the first oil passage pipe 4 through the partition 21.

[0033] See Figures 2-3 The connection between the second oil inlet pipe 5 connected to the oil inlet chamber 2 and the filter cartridge 1 is located above the partition 15. The connection between the second oil inlet pipe 5 connected to the oil outlet chamber 3 and the filter cartridge 1 is located below the partition 15. The first oil inlet pipe 4 in front of the oil inlet chamber 2 and the oil outlet chamber 3 is connected to an oil pipe through a flange. The first oil inlet pipe 4 behind it is connected to a waste liquid pipe through a flange. The cleaning fluid is poured into the filter cartridge 1 in reverse through the first oil inlet pipe 4 behind it.

[0034] See Figure 1 A control box 25 is fixedly mounted on the support frame 6. The second motor 11 is fixedly connected to the control box 25 through the connecting frame 13. The control box 25 is connected to the power signal of the first motor 8 and the second motor 11, so that the first motor 8 and the second motor 11 can operate in steps.

[0035] The connection between the connecting rod 33 and the oil inlet chamber 2 and the oil outlet chamber 3 is a sealed connection. The connection between the stabilizing column 14 and the rotating rod 9 is a sealed connection. The cleaning brush 17 is an elastic plastic brush, which resets after being removed from the placement groove 35 and extends to the filter hole of the filter element 16.

[0036] The automatic cleaning dual oil filter for ships of the present invention can automatically switch to another filter cartridge to work after the pressure drop inside the oil filter reaches a specified value. At the same time, the rotating cleaning brush thoroughly cleans the inside of the clogged filter element, so that the oil filter can work continuously and is suitable for widespread use.

[0037] For specific usage, please refer to... Figures 1-4 The oil to be filtered, which is introduced into the first oil passage pipe 4 through the partition 21 and the sealing column 22, is guided to the filter cartridge 1 on one side. The filter element 16 on the filter cartridge 1 filters the oil. The oil flows into the oil outlet chamber 3 through the second oil passage pipe connected to the oil outlet chamber 3 and is guided to the first oil passage pipe 4 through the partition 21 and the sealing column 22. After the filter element 16 accumulates and becomes blocked during filtration, the pressure in the oil inlet chamber 2 increases, which squeezes the pressure airbag 24 and increases the pressure in the telescopic airbag 23. The telescopic airbag 23 pushes the push column 32, which pushes the lever 31 forward. When the pressure reaches the specified value, the lever 31 pushes the power contact block 28 to open the switch 26. The control box 25 controls the output shaft of the first motor 8 to rotate half a turn, which changes the position of the partition 21 and guides the oil to another filter cartridge 1.

[0038] During the operation of the device, after the pressure in the oil inlet chamber 2 reaches a certain value, the control box 25 sends a command to the first motor 8 after the switch 26 is opened, so that the partition 21 guides the oil to another filter cartridge 1. After the first motor 8 stops running, the control box 25 commands the second motor 11 to run, brush the filter element 16, and flush the cleaning liquid in the reverse direction. The fully automatic operation of the device is realized through the control box 25.

[0039] See Figures 5-6 The control box 25 starts the second motor 11 of the filter cartridge 1 in the idle position, and rotates the first gear 10 through the gear connection. When the first gear 10 rotates, it drives the rotating rod 9 to rotate through the rotating thread 34. The rotating rod 9 rises and falls with the thread during the rotation. The base 36 at the bottom of the rotating rod 9 is released from the placement groove 35, and the cleaning brush 17 is reset. Driven by the rotating rod 9, the inside of the filter element 16 is brushed and washed. At the same time as the second motor 11 is running, the first oil pipe 4 at the rear of the oil outlet chamber 3 is introduced to clean the filter element 16 in reverse and discharged from the first oil pipe 4 at the rear of the oil inlet chamber 2. The second motor 11 runs repeatedly to brush the filter element 16 back and forth.

[0040] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A dual-stage oil filter for shipboard automatic cleaning, comprising a filter housing (1), an oil inlet chamber (2), an oil outlet chamber (3), and a control box (25), characterized in that, The oil inlet chamber (2) is fixedly provided with a first oil passage pipe (4) at both ends. The oil inlet chamber (2) is fixedly provided with a second oil passage pipe (5) on both sides. The oil inlet chamber (2) is fixedly provided with a support frame (6) at the upper side. The oil inlet chamber (2) is fixedly provided with a differential pressure chamber (7) at the upper center point. The support frame (6) is fixedly provided with a first motor (8). The output shaft of the first motor (8) is connected to a connecting shaft (18) through a gear meshing of a connecting disc (29). The connecting shaft (18) passes through the differential pressure chamber (7) and is fixedly connected to a pneumatic column (19) inside the oil inlet chamber (2). The bottom of the pneumatic column (19) is fixedly connected to a telescopic airbag (23). The telescopic airbag (23) is fixedly connected to the bottom of the pneumatic column (19). 3) A pressure airbag (24) is fixedly connected to the through air pressure column (19). A propulsion column (32) is fixedly provided at the top of the telescopic airbag (23). The propulsion column (32) extends to the connecting shaft (18) and is slidably connected to its interior. A symmetrical second slide groove (30) is provided on the connecting shaft (18). A switch (26) is fixedly provided on the side wall of the differential pressure chamber (7). A first slide groove (27) is provided on the switch (26). A power-connecting block (28) is slidably connected to the first slide groove (27). A symmetrical lever (31) is fixedly connected at the top of the propulsion column (32). The lever (31) passes through the second slide groove (30) and is positioned opposite to the power-connecting block (28). The second oil pipe (5) is fixedly connected to the filter cartridge body (1) through a flange. A partition (15) is fixedly provided inside the filter cartridge body (1). A filter element (16) is fixedly provided at the center point of the partition (15). A second motor (11) is fixedly provided at the top of the filter cartridge body (1). A second gear (12) is fixedly connected to the output shaft of the second motor (11). A stabilizing column (14) is fixedly provided at the center of the top of the filter cartridge body (1). The stabilizing column (14) is rotatably connected to the first gear (16) through a slot. 0), the first gear (10) and the second gear (12) are connected by tooth threads. The stabilizing column (14) and the first gear (10) are connected by a rotating rod (9). The rotating rod (9) is connected to the stabilizing column (14) and the first gear (10) by a rotating thread (34). The bottom of the filter element (16) is provided with a placement groove (35). The rotating rod (9) extends to the placement groove (35) and is fixedly connected to a base (36). A cleaning brush (17) is fixedly provided on the base (36).

2. The automatic cleaning dual oil filter for ships according to claim 1, characterized in that, The oil inlet chamber (2) is fixedly provided with sealing columns (22) on all four sides. The air pressure column (19) is fixedly connected with a partition (21). The partition (21) and the sealing column (22) are slidably and tightly connected. The partition (21) and the sealing column (22) divide the oil inlet chamber (2) into two spaces.

3. The automatic cleaning dual oil filter for ships according to claim 1, characterized in that, The oil outlet chamber (3) is fixedly provided with the same first oil passage pipe (4), second oil passage pipe (5), and sealing column (22) as the oil inlet chamber (2). The air pressure column (19) passes through the oil inlet chamber (2) and is fixedly connected to a connecting rod (33). The connecting rod (33) passes through the oil outlet chamber (3) and is fixedly connected to a rotating shaft (20). The rotating shaft (20) is fixedly connected to a partition (21). The partition (21) and the sealing column (22) divide the oil outlet chamber (3) into two spaces.

4. The automatic cleaning dual oil filter for ships according to claim 1, characterized in that, The connection between the second oil pipe (5) connected to the oil inlet chamber (2) and the filter body (1) is located above the partition (15). The connection between the second oil pipe (5) connected to the oil outlet chamber (3) and the filter body (1) is located below the partition (15). The first oil pipe (4) in front of the oil inlet chamber (2) and the oil outlet chamber (3) is connected to an oil pipe through a flange. The first oil pipe (4) behind them is connected to a waste liquid pipe through a flange.

5. A dual-stage automatic cleaning oil filter for ships according to claim 1, characterized in that, The support frame (6) is fixedly equipped with a control box (25). The second motor (11) is fixedly connected to the control box (25) through the connecting frame (13). The control box (25) is connected to the power supply signals of the first motor (8) and the second motor (11).

6. The automatic cleaning dual oil filter for ships according to claim 3, characterized in that, The connection between the connecting rod (33) and the oil inlet chamber (2) and the oil outlet chamber (3) is a sealed connection, and the connection between the stabilizing column (14) and the rotating rod (9) is a sealed connection.

7. The automatic cleaning dual oil filter for ships according to claim 1, characterized in that, The cleaning brush (17) is an elastic plastic brush that resets after being removed from the placement slot (35) and extends to the filter hole of the filter element (16).

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