High-efficiency energy-saving diesel filter

Abstract

The utility model relates to filter technology field, concretely is a kind of efficient energy-saving diesel filter, the filter component includes bottom plate, outer layer coarse filter screen, middle layer fine filter screen, inner layer hydrophobic adsorption screen and top plate, the bottom plate is fixed in the lower end of shell, the upper end of bottom plate is equipped with the bottom block that penetrates shell, the lower end of outer layer coarse filter screen, middle layer fine filter screen and inner layer hydrophobic adsorption screen are all fixed in the upper end of bottom block, top plate is fixed in the upper end of outer layer coarse filter screen, middle layer fine filter screen and inner layer hydrophobic adsorption screen, the three-layer composite structure of outer layer coarse filter screen, middle layer fine filter screen, inner layer hydrophobic adsorption screen is adopted to the device, collocates inner layer hydrophobic adsorption screen, realizes the classification interception of large-particle impurity, fine dust and moisture, diesel is filtered in turn by multilayer filter screen, there is no pollutant penetration risk, greatly promote fuel cleanliness, effectively avoid injection nozzle wear and tear, oil pump failure, guarantee engine power output stability, solve the pain point of traditional single-stage filter element filtering incompletely.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically to a high-efficiency and energy-saving diesel filter. Background Technology

[0002] As a core component of a car engine's fuel system, the diesel fuel filter's filtration performance directly determines fuel cleanliness, thus affecting engine power output, fuel economy, and service life. During diesel engine operation, large particulate impurities, fine dust, and moisture in the fuel, if not effectively removed, can cause fuel injector wear, fuel pump failure, and even lead to engine power loss, increased fuel consumption, and engine shutdown.

[0003] Most existing diesel filters use a single-stage filter element structure, with a single filter element material and fixed pore size, making it difficult to effectively intercept pollutants of different particle sizes. A single pore size design either only filters large particles, allowing fine dust to easily penetrate the filter element and enter the fuel system, or the pore size is too small, causing the filter element to clog easily, requiring frequent replacement, increasing operating costs and maintenance time. Furthermore, at low temperatures, diesel viscosity increases significantly, leading to increased flow resistance in the filter, increased energy consumption for engine-driven fuel circulation, and the tendency for water in the fuel to freeze, causing filter element blockage and filtration failure, severely impacting the engine's low-temperature start reliability and operational stability. Utility Model Content

[0004] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a high-efficiency and energy-saving diesel filter.

[0005] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency and energy-saving diesel filter, comprising a housing, an oil outlet pipe fixedly disposed at the upper end of the housing, an oil inlet pipe fixedly disposed on one side of the top of the housing, a partition fixedly disposed inside the housing, a central tube fixedly disposed in the middle part of the partition, the central tube being located below the oil outlet pipe, the partition being located below the oil inlet pipe, a plurality of oil inlet holes being disposed around the central tube on the partition, and a filter assembly being disposed inside the housing; The filter assembly includes a base plate, an outer coarse filter, a middle fine filter, an inner hydrophobic adsorption mesh, and a top plate. The base plate is fixed to the lower end of the housing, and a bottom block penetrating the housing is provided at the upper end of the base plate. The lower ends of the outer coarse filter, the middle fine filter, and the inner hydrophobic adsorption mesh are all fixed to the upper ends of the bottom block. The top plate is fixed to the upper ends of the outer coarse filter, the middle fine filter, and the inner hydrophobic adsorption mesh. A transfer pipe is vertically installed in the middle part of the top plate. The transfer pipe is connected to the inner ring of the inner hydrophobic adsorption mesh. The transfer pipe vertically penetrates the central pipe and is inserted into the inside of the oil outlet pipe. A control box is fixedly installed on one side of the housing. The control box contains a temperature sensor located inside the housing. An annular shell is fixedly installed at the lower end of the housing. Multiple cylindrical grooves are arranged around the housing. Multiple heating tubes inserted into the cylindrical grooves are located at the upper end of the annular shell.

[0006] To facilitate the assembly of the filter assembly, the present invention includes an improvement whereby a toggle block is provided at the lower end of the base plate, and the base block is threadedly connected to the housing.

[0007] Furthermore, the present invention includes the following improvements: a first sealing ring is provided at the upper end of the base plate, and a second sealing ring is provided on the inner wall of the central tube and the inner wall of the oil outlet tube.

[0008] To improve the stability of the outer coarse filter, the middle fine filter, and the inner hydrophobic adsorption mesh during use, the present invention includes the following improvements: multiple support rods are vertically arranged at the upper end of the base block, and the multiple support rods are respectively fixed to the inner walls of the outer coarse filter, the middle fine filter, and the inner hydrophobic adsorption mesh; multiple positioning holes are provided at the lower end of the top plate, and the top ends of the support rods are inserted into the positioning holes.

[0009] Furthermore, the improvements of this utility model include that the top plate and the transfer pipe are an integrated structure, the bottom plate and the bottom block are an integrated structure, and the partition and the central pipe are an integrated structure.

[0010] To reduce energy consumption during engine start-up and operation, the present invention includes the following improvements: a heating wire is fixedly installed inside the heating tube; a transfer controller is installed inside the annular shell; the control box and the transfer controller are connected via a control line; the transfer controller is connected to multiple heating wires via electrical signals; and the temperature sensor is connected to the transfer controller via an electrical signal.

[0011] (III) Beneficial Effects Compared with the prior art, this utility model provides a high-efficiency and energy-saving diesel filter, which has the following beneficial effects: This device adopts a three-layer composite structure consisting of an outer coarse filter, a middle fine filter, and an inner hydrophobic adsorption mesh. Combined with the inner hydrophobic adsorption mesh, it achieves graded interception of large particulate impurities, fine dust, and moisture. Diesel fuel is filtered sequentially through multiple layers of filters, eliminating the risk of contaminant penetration, significantly improving fuel cleanliness, effectively preventing fuel injector wear and fuel pump failure, ensuring stable engine power output, and solving the pain point of incomplete filtration in traditional single-stage filter elements.

[0012] Through the coordinated action of temperature sensor, adapter controller, heating tube, and heating wire, the heating function can be automatically activated in low-temperature environments to maintain a suitable temperature for diesel fuel, avoid increased flow resistance due to increased viscosity, and reduce the energy consumption of the engine driving fuel circulation. Attached Figure Description

[0013] Figure 1 This is a first-view perspective three-dimensional structural diagram of the present invention; Figure 2 This is a second-view three-dimensional structural diagram of the present invention; Figure 3 This is a first-view perspective three-dimensional structural diagram of the filter component in this utility model; Figure 4 This is a second-view perspective three-dimensional structural diagram of the filter component in this utility model; Figure 5 This is a schematic diagram of the installation structure of the partition plate of this utility model; Figure 6 This is a cross-sectional view of the heating tube in this utility model.

[0014] In the diagram: 1. Shell; 2. Oil outlet pipe; 3. Oil inlet pipe; 4. Baffle plate; 5. Central pipe; 6. Oil inlet hole; 7. Bottom plate; 8. Bottom block; 9. Outer coarse filter screen; 10. Middle fine filter screen; 11. Inner hydrophobic adsorption screen; 12. Support rod; 13. Top plate; 14. Adapter pipe; 15. Positioning hole; 16. Control box; 17. Control line; 18. Annular shell; 19. Heating tube; 20. Heating wire. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1-6 This utility model proposes a high-efficiency and energy-saving diesel filter, including a housing 1, an oil outlet pipe 2 fixedly installed at the upper end of the housing 1, an oil inlet pipe 3 fixedly installed on one side of the top of the housing 1, a partition 4 fixedly installed inside the housing 1, a central pipe 5 fixedly installed in the middle part of the partition 4, the central pipe 5 being located below the oil outlet pipe 2, the partition 4 being located below the oil inlet pipe 3, and a plurality of oil inlet holes 6 being arranged around the central pipe 5 on the partition 4. A filter assembly is provided inside the housing 1. The filter assembly includes a base plate 7, an outer coarse filter 9, a middle fine filter 10, an inner hydrophobic adsorption mesh 11, and a top plate 13. The base plate 7 is fixed to the lower end of the housing 1, and the upper end of the base plate 7 is provided with a bottom block 8 that penetrates the housing 1. The lower ends of the outer coarse filter 9, the middle fine filter 10, and the inner hydrophobic adsorption mesh 11 are all fixed to the upper end of the bottom block 8. The top plate 13 is fixed to the upper end of the outer coarse filter 9, the middle fine filter 10, and the inner hydrophobic adsorption mesh 11. A transfer pipe 14 is vertically arranged in the middle part of the top plate 13. The transfer pipe 14 is connected to the inner ring of the inner hydrophobic adsorption mesh 11. The transfer pipe 14 vertically penetrates the central pipe 5 and is inserted into the oil outlet pipe 2. A control box 16 is fixedly installed on one side of the housing 1. The control box 16 is equipped with a temperature sensor located inside the housing 1 (the temperature sensor probe extends into the housing 1). An annular shell 18 is fixedly installed at the lower end of the housing 1. Multiple cylindrical grooves are arranged around the housing 1. Multiple heating tubes 19 inserted into the cylindrical grooves are provided at the upper end of the annular shell 18.

[0017] Device assembly steps: Basic structure assembly: First, fix the integrated structure of the partition plate 4 and the central tube 5 inside the housing 1, ensuring that the partition plate 4 is below the oil inlet pipe 3 and the central tube 5 is directly below the oil outlet pipe 2. Make multiple oil inlet holes 6 around the central tube 5 on the partition plate 4. Then fix the oil outlet pipe 2 to the upper end of the housing 1 and fix the oil inlet pipe 3 to one side of the top of the housing 1, thus completing the basic structure construction for oil supply and outlet.

[0018] Filter assembly: The integrated structure of the base plate 7 and the base block 8 is fixed to the lower end of the housing 1 via a threaded connection. A first sealing ring is installed on the upper end of the base plate 7 to ensure a seal at the connection with the housing 1. Multiple support rods 12 are vertically installed on the upper end of the base block 8, fixing the lower ends of the outer coarse filter screen 9, the middle fine filter screen 10, and the inner hydrophobic adsorption screen 11 to the base block 8, with the support rods 12 conforming to the inner wall of each filter screen for support. The integrated structure of the top plate 13 and the adapter pipe 14 is fixed to the upper end of the three layers of filter screens, with the tops of the support rods 12 inserted into the multiple positioning holes 15 at the lower end of the top plate 13 to achieve precise positioning and stable support of the filter screens. Finally, the adapter pipe 14 is vertically inserted through the central pipe 5 and into the oil outlet pipe 2. Second sealing rings are installed on the inner walls of the central pipe 5 and the oil outlet pipe 2 respectively to ensure a seal at the connection.

[0019] Heating and electrical structure assembly: Multiple cylindrical grooves are formed around the housing 1. The annular shell 18 is fixed to the lower end of the housing 1. Multiple heating tubes 19 with built-in heating wires 20 are inserted into the corresponding cylindrical grooves, ensuring that the heating tubes 19 are tightly connected to the upper end of the annular shell 18. A transfer controller is installed inside the annular shell 18. The control box 16 is fixed to one side of the housing 1. The temperature sensor inside the control box 16 is embedded inside the housing 1. The control box 16 is connected to the transfer controller through the control line 17. At the same time, the electrical signal connection between the transfer controller and the multiple heating wires 20 and the temperature sensor is realized, completing the electrical system assembly.

[0020] Device usage steps: Diesel fuel is injected into the housing 1 through the inlet pipe 3, and flows evenly into the internal space of the housing 1 through multiple inlet holes 6 on the partition plate 4, with the inlet end located outside the outer coarse filter screen 9. The diesel fuel first passes through the outer coarse filter screen 9 to intercept large particles of impurities, then passes through the middle fine filter screen 10 to filter fine dust, and finally passes through the inner hydrophobic adsorption screen 11 to adsorb moisture, preventing fuel emulsification. The filtered clean diesel fuel collects in the inner ring of the inner hydrophobic adsorption screen 11, and is transported to the outlet pipe 2 through the transfer pipe 14, and finally flows into the engine fuel system through the outlet pipe 2.

[0021] When the temperature sensor detects that the diesel temperature inside the housing 1 has reached the low-temperature threshold, it transmits a signal to the transfer controller. The transfer controller then triggers a command to the control box 16 via control line 17, activating the heating wire 20 inside the heating tube 19. The heating wire 20 releases heat to heat the diesel, maintaining its temperature within a suitable range to prevent increased viscosity and thus increased flow resistance. Simultaneously, the molecular sieve in the inner hydrophobic adsorption mesh 11 quickly adsorbs residual moisture, preventing it from freezing and clogging the filter, thus ensuring continuous and stable filtration.

[0022] Filter component maintenance steps: When the filter becomes clogged or needs replacement, rotate the base plate 7 using the actuating block at the lower end of the base plate 7. Utilizing the threaded connection between the base block 8 and the housing 1, the base plate 7 and base block 8 can be disassembled together from the lower end of the housing 1, allowing the outer coarse filter 9, the middle fine filter 10, the inner hydrophobic adsorption screen 11, the top plate 13, and the adapter pipe 14 to be removed as a whole. After replacing the filter assembly or cleaning the existing filter, rotate the actuating block in the opposite direction to tighten the threads of the base block 8 and the housing 1, ensuring a tight fit of the first sealing ring. The top of the support rod 12 is accurately inserted into the positioning hole 15, and the adapter pipe 14 smoothly passes through the central tube 5 and is inserted into the oil outlet pipe 2, completing the maintenance assembly.

[0023] The integrated design of the partition plate 4 and the central pipe 5, the bottom plate 7 and the bottom block 8, and the top plate 13 and the transfer pipe 14 enhances the rigidity and connection stability of the core structure. The cooperation of multiple support rods 12 and positioning holes 15 effectively prevents the three-layer filter screen from shifting or deforming during fuel flow or device vibration. The first sealing ring and the second sealing ring respectively ensure the sealing at the connection of the bottom plate 7, the central pipe 5, and the oil outlet pipe 2, preventing diesel leakage or short circuit of unfiltered diesel, and ensuring a dead-end filtration process.

[0024] The filter assembly is fixed to the housing 1 via a threaded connection and can be quickly disassembled and installed using a lever. The filter screen can be replaced or cleaned without disassembling the entire device, significantly reducing maintenance time. The three filter layers have clearly defined functions; the outer and middle layers can be maintained individually without requiring overall replacement, reducing consumable waste and lowering usage and maintenance costs.

[0025] The control box 16, the transfer controller, the temperature sensor, and the heating wire 20 form a closed-loop control system, which can automatically sense the diesel temperature and trigger heating without manual intervention, making operation convenient and controllable. The electrical components are connected in an orderly manner through the control line 17, with a reasonable layout. The heating tube 19 is embedded in the cylindrical groove of the housing 1 to avoid direct contact with diesel, thereby improving the safety and service life of the device.

[0026] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0027] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-efficiency and energy-saving diesel filter, comprising a housing (1), an oil outlet pipe (2) fixedly disposed at the upper end of the housing (1), and an oil inlet pipe (3) fixedly disposed on one side of the top of the housing (1), characterized in that: The housing (1) is fixedly provided with a partition (4), and a central tube (5) is fixedly provided in the middle part of the partition (4). The central tube (5) is located below the oil outlet pipe (2), and the partition (4) is located below the oil inlet pipe (3). Multiple oil inlet holes (6) are provided around the central tube (5) on the partition (4). A filter assembly is provided inside the housing (1). The filter assembly includes a base plate (7), an outer coarse filter (9), a middle fine filter (10), an inner hydrophobic adsorption mesh (11), and a top plate (13). The base plate (7) is fixed to the lower end of the housing (1). The upper end of the base plate (7) is provided with a bottom block (8) that penetrates the housing (1). The lower ends of the outer coarse filter (9), the middle fine filter (10), and the inner hydrophobic adsorption mesh (11) are all fixed to the upper end of the bottom block (8). The top plate (13) is fixed to the upper end of the outer coarse filter (9), the middle fine filter (10), and the inner hydrophobic adsorption mesh (11). The middle part of the top plate (13) is vertically provided with a transfer pipe (14). The transfer pipe (14) is connected to the inner ring of the inner hydrophobic adsorption mesh (11). The transfer pipe (14) vertically penetrates the central pipe (5) and is inserted into the inside of the oil outlet pipe (2). A control box (16) is fixedly installed on one side of the housing (1). The control box (16) is equipped with a temperature sensor located inside the housing (1). An annular shell (18) is fixedly installed at the lower end of the housing (1). Multiple cylindrical grooves are arranged around the housing (1). Multiple heating tubes (19) inserted into the cylindrical grooves are provided at the upper end of the annular shell (18).

2. The high-efficiency and energy-saving diesel filter according to claim 1, characterized in that: The bottom end of the base plate (7) is provided with a toggle block, and the bottom block (8) is threadedly connected to the housing (1).

3. The high-efficiency energy-saving diesel filter according to claim 2, characterized in that: The upper end of the base plate (7) is provided with a first sealing ring, and the inner wall of the central tube (5) and the inner wall of the oil outlet pipe (2) are provided with a second sealing ring.

4. The high-efficiency energy-saving diesel filter according to claim 3, characterized in that: The upper end of the bottom block (8) is provided with multiple support rods (12), which are fixed to the inner walls of the outer coarse filter screen (9), the middle fine filter screen (10) and the inner hydrophobic adsorption screen (11). The lower end of the top plate (13) is provided with multiple positioning holes (15), and the top of the support rods (12) is inserted into the positioning holes (15).

5. A high-efficiency energy-saving diesel filter according to claim 4, characterized in that: The top plate (13) and the transfer pipe (14) are an integrated structure, the bottom plate (7) and the bottom block (8) are an integrated structure, and the partition (4) and the central pipe (5) are an integrated structure.

6. The high-efficiency energy-saving diesel filter according to claim 5, characterized in that: The heating tube (19) is fixedly equipped with heating wires (20), and the annular shell (18) is equipped with a transfer controller. The control box (16) is connected to the transfer controller through a control line (17). The transfer controller is connected to multiple heating wires (20) through electrical signals, and the temperature sensor is connected to the transfer controller through electrical signals.

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