Filtering mechanism of air compressor and filtering method of filtering mechanism

Abstract

The invention discloses a filtering mechanism of an air compressor and a filtering method of the filtering mechanism, and relates to the technical field of air compressor filtering, the filtering mechanism of the air compressor comprises a hollow mounting seat, the left side and the right side of a cavity of the mounting seat are connected with an air compressor gas pipeline, and the front side and the rear side of the cavity of the mounting seat are connected with a cleaning system; by arranging the automatic oil discharging assembly, when oil in an oil discharging pipe is accumulated to a certain degree, the pressure in the oil discharging pipe rises to a threshold value, at the moment, the pressure generated by air pressure borne by a sealing plug is larger than the acting force of a tension spring, and the sealing plug moves downwards; oil in the oil discharging pipe can be discharged into the discharging movable cover through the gap between the sealing plug and the oil discharging pipe, in the process, normal work of the filter element cannot be affected, and normal operation of the device is guaranteed while oil discharging of the device is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of air compressor filtering, and in particular to a filtering mechanism of an air compressor and a filtering method thereof. Background Art

[0002] An air compressor is a device used to compress gas. Most air compressors are reciprocating piston type, with rotating blades or rotating screws. The existing refrigeration unit air compressor oil separation and filtration structure, the main work of the air compressor is to compress the air, but the air inside the refrigeration unit will carry a small amount of lubricating oil when it is discharged. At this time, if the air compressor directly discharges the compressed air into the condenser, it will cause oil accumulation in the condenser pipeline, directly affecting the quality of the refrigeration air; secondly, the existing air compressor part will be equipped with an oil separator, but the lubricating oil filtered by the oil separator will remain in the oil separator. After long-term use, too much oil will accumulate inside the oil separator, affecting normal use.

[0003] For example, a refrigeration unit air compressor oil filter structure with publication number CN111482000B, a cover is provided on the top of the filter cartridge of the invention, and a ring is sleeved on the connection between the filter cartridge and the cover, and a plurality of screw holes are evenly opened in a circumferential manner on the top of the outer wall of the filter cartridge, the bottom of the outer wall of the cover, and the upper and lower ends of the outer wall of the ring. The user can also disassemble the filter cartridge and the cover, unscrew the bolts in the screw holes, and take down the ring. The support tube is sleeved on the inner wall of the filter cartridge, and a plurality of small holes are evenly opened on the surface of the support tube. Support rings are sleeved on the upper and lower ends of the inner wall of the filter cartridge and located on the support tube, and a plurality of support rods are fixedly connected in a circumferential manner between the support rings at the upper and lower ends, so as to achieve the effect of separating gas and oil; it solves the problem that the air compressor directly discharges compressed air into the condenser, which will cause oil accumulation in the condenser pipe, and the screened lubricating oil will remain in the oil separator.

[0004] In actual application of the above technical solution, the filtered oil will be retained inside the device during use, and the device needs to be shut down and disassembled when cleaning the oil, which increases the maintenance cost of the device; at the same time, since the air contains dust and the oil deteriorates, the filter element is easily clogged and needs to be removed and cleaned regularly, which affects the normal operation of the equipment.

[0005] Therefore, it is necessary to invent a filtering mechanism and a filtering method for an air compressor to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a filtering mechanism and a filtering method for an air compressor to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a filtering mechanism of an air compressor, comprising a hollow mounting seat, the left and right sides of whose cavity are connected to the gas pipeline of the air compressor, and the front and rear sides of whose cavity are connected to the cleaning system; further comprising a discharge movable cover, which is detachably connected to the bottom end of the mounting seat, and is provided with a separation ring and a partition plate inside; a sealing seat, which is mounted on the top of the mounting seat; an air guide seat, which is limitedly slidably inserted into the interior of the mounting seat, a filter element, which is threadedly connected to the bottom of the air guide seat, whose bottom is in conflict with the separation ring, and whose peripheral side wall is in conflict with the partition plate, and whose interior is divided into two filter chambers by a partition plate; two air guide grooves are provided inside the air guide seat, and the air guide grooves allow the air pipe of the left air compressor to pass through the air guide grooves. The gas in the air guide groove flows unidirectionally into the two filter chambers, and the front and rear sides of the air guide groove are connected to the cleaning system through the cleaning groove; two automatic oil drain components are placed at the bottom of the two filter chambers, and when the filtered oil reaches a preset amount, they are opened under the action of air pressure to achieve oil drainage; two connecting grooves are opened in the air guide seat, one end of which is connected to the cavity surrounded by the outer wall of the filter element and the discharge movable cover, and the other end is connected to the air compressor gas pipeline docked on the right side of the mounting seat; a ventilation plate is placed at one end of the connecting groove connected to the right air compressor gas pipeline; an electrically controlled sealing component is placed on the right side of the ventilation plate, and is used to seal the ventilation plate to achieve the connection and disconnection of the connecting groove and the right air compressor gas pipeline.

[0008] Preferably, an intelligent wireless digital barometer is placed on the top of the sealing seat and is connected to the air guide groove through an air pressure detection tube; a magnetic sliding sleeve, wherein the sealing sliding sleeve is arranged on the outside of the air pressure detection tube, and its inner cavity is respectively connected to the two connecting grooves through two butt tubes, and its top is connected to the inner wall of the sealing seat through a compression spring; two first holes, a second hole, and a third hole are provided on the side wall of the air pressure detection tube; a ferromagnetic sealing member is placed inside the air pressure detection tube, and a partition plate is provided inside the air pressure detection tube under the ferromagnetic sealing member; an electromagnetic drive unit is placed between the air guide seat and the magnetic sliding sleeve, and can be used to drive the ferromagnetic sealing member to seal the air pressure detection tube, and can also drive the magnetic sliding sleeve to slide.

[0009] Preferably, the automatic oil drain assembly includes a connecting hole opened at the bottom of the filter element, an oil drain pipe, a fixing seat, an oil through hole, a connecting pipe and a sealing plug, the oil drain pipe is installed in the connecting hole, the fixing seat is fixedly installed at the top of the oil drain pipe, and the fixing seat is configured as a boss-shaped structure, the oil through hole surrounds the outer side wall opened at the fixing seat, the connecting pipe is fixedly installed in the middle of the fixing seat, and the top of the connecting pipe extends to above the connecting hole, the sealing plug is installed at the bottom end of the oil drain pipe, and the sealing plug is connected to the fixing seat via a tension spring.

[0010] Preferably, the ventilation plate comprises a ventilation body, and the ventilation body is provided with exhaust holes.

[0011] Preferably, the electrically controlled blocking component includes a first electromagnet, which is placed on the right side of the ventilation body and corresponds to the exhaust hole, and the first electromagnet is connected to the ventilation plate through an elastic deformation portion.

[0012] Preferably, the magnetic sliding sleeve comprises a sliding sleeve which is slidably connected to the air pressure detection tube; and a permanent magnet which is disposed at the bottom of the sliding sleeve.

[0013] Preferably, the ferromagnetic sealing member includes a conical ring, which is placed in the air pressure detection tube; a ferromagnetic conical protrusion, which is adapted to the conical ring and connected to the inner wall of the conical ring through an elastic member.

[0014] Preferably, a sealing plate with a one-way valve is provided in the air inlet end of the air guide groove.

[0015] Preferably, a docking hole for docking with the docking tube is formed on the side wall of the magnetic sliding sleeve, and a connecting groove for docking with the docking tube is formed on the top of the connecting groove.

[0016] The present invention also provides a filtering method for a filtering mechanism of an air compressor, comprising the following steps: Step 1: Equipment installation: connect the left and right sides of the mounting base to the air compressor pipeline, and connect the front and rear sides of the mounting base to the cleaning system; Step 2: Filtration and separation: the gas in the air compressor pipeline on the left side of the mounting seat enters the air guide seat through the mounting seat, and then enters the interior of the filter element through the two air guide grooves. After the air is filtered by the filter element, the pure air enters the outside of the filter element and re-enters the air compressor pipeline on the right side of the mounting seat through the connecting groove; Step 3: Oil discharge: the oil separated from the filter element enters the discharge movable cover through the automatic oil discharge component to achieve automatic oil discharge; Step 4: During normal filtering operation, the electromagnetic drive unit is controlled to work at a fixed time, so that the magnetic sliding sleeve slides upward, and finally the first hole is connected with the docking tube. At the same time, under the magnetic attraction of the electromagnetic drive unit, the ferromagnetic plugging member blocks the air pressure detection tube, and then the air pressure detection tube is connected with the two connecting grooves, so as to detect the pressure of the gas after being filtered by the filter element; If the pressure value of the gas after being filtered by the filter element detected in real time is greater than the first preset value, it means that the filter element is damaged and leaking; If the real-time detected pressure value of the gas after being filtered by the filter element is less than the first preset value, it indicates that the filter element is clogged; Step 5: Control the cleaning system to clean the filter element.

[0017] Technical effects and advantages of the present invention: 1. The present invention is provided with an automatic oil drain component. When the oil in the oil drain pipe accumulates to a certain extent, the pressure inside the oil drain pipe rises to a threshold value. At this time, the pressure generated by the air pressure on the sealing plug is greater than the force of the tension spring, and the sealing plug moves downward. The oil in the oil drain pipe can be discharged into the discharge movable cover through the gap between the sealing plug and the oil drain pipe. In this process, the normal operation of the filter element will not be affected, and the normal operation of the device is guaranteed while the oil discharge of the device is realized.

[0018] 2. The present invention realizes detection of the air pressure after filtration by the filter element by controlling the electrically controlled sealing component and the electromagnetic driving part through the mutual cooperation among the air guide seat, the sealing plate, the cleaning tank, the electrically controlled sealing component, the air pressure detection tube, the magnetic sliding sleeve and the electromagnetic driving part. If the real-time detected gas pressure value after filtration by the filter element is greater than the first preset value, it indicates that the filter element is damaged and leaking; if the real-time detected gas pressure value after filtration by the filter element is less than the first preset value, it indicates that the filter element is clogged.

[0019] 3. The present invention realizes cleaning of one of the filter chambers through the mutual coordination among the air guide seat, the sealing plate, the cleaning tank, the electric-controlled sealing component, the air pressure detection tube, the magnetic sliding sleeve and the electromagnetic drive unit, and controls the electric-controlled sealing component, the electromagnetic drive unit and the cleaning system, while the other filter chamber that is not to be cleaned remains in a working state, thereby realizing non-stop cleaning and ensuring normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a schematic diagram of the parts explosion of the present invention.

[0022] Figure 3 It is a schematic diagram of the connection between the mounting seat, the air guide seat and the filter element structure of the present invention.

[0023] Figure 4 It is a schematic cross-sectional view of the filter element of the present invention.

[0024] Figure 5 It is a schematic cross-sectional view of the automatic oil drain assembly of the present invention.

[0025] Figure 6 It is a cross-sectional view of the mounting seat structure of the present invention.

[0026] Figure 7 It is a cross-sectional view of the structural connection of the sealing seat, compression spring, intelligent wireless digital display barometer and air pressure detection tube of the present invention.

[0027] Figure 8 It is a schematic cross-sectional view of the gas guide seat and the intelligent wireless digital display barometer structure of the present invention.

[0028] Fig. 9 It is a schematic cross-sectional view of the air guide seat structure of the present invention.

[0029] Fig.10 For the present invention Fig. 9 Schematic diagram from another angle.

[0030] Fig.11 It is a cross-sectional schematic diagram of the discharge movable cover in the present invention.

[0031] Fig.12 It is a schematic diagram of the structure of the ferromagnetic plugging member of the present invention.

[0032] In the figure: 1. mounting seat; 101. limiting slot; 102. conduit mounting slot; 2. discharge movable cover; 201. discharge nozzle; 202. separation ring; 203. partition plate; 3. filter element; 4. filter chamber; 5. sealing seat; 6. air guide seat; 61. air guide slot; 611. blocking plate; 62. cleaning slot; 7. automatic oil drain assembly; 701. connecting hole; 702. oil drain pipe; 703. fixing seat; 704. oil hole; 705. connecting pipe; 706. sealing plug; 707. movable plug; 708. movable column; 8. connecting slot; 9. ventilation plate; 901. ventilation body; 902, exhaust hole; 10, electric-controlled sealing component; 1001, first electromagnet; 1002, elastic deformation part; 11, intelligent wireless digital barometer; 12, air pressure detection tube; 1201, first hole; 1202, second hole; 1203, third hole; 13, connecting groove; 14, docking tube; 15, magnetic sliding sleeve; 1501, docking hole; 1502, sliding sleeve; 1503, permanent magnet; 16, ferromagnetic sealing piece; 1601, conical ring; 1602, ferromagnetic conical protrusion; 17, electromagnetic drive part; 1701, second electromagnet; 18, compression spring. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The present invention provides Figures 1 to 12 The filter mechanism of an air compressor shown in the figure comprises a control system electrically connected to various electrical components and a hollow mounting seat 1, the left and right sides of the cavity of which are connected to the air compressor gas pipeline, and the front and rear sides of the cavity of which are connected to the cleaning system.

[0035] Specifically, a limiting slot 101 is provided on the top thereof, so that the mounting seat 1 constitutes a hollow cavity, and four conduit mounting slots 102 are provided on the peripheral side walls thereof, which are connected to the limiting slot 101 and are distributed in a front-to-back, left-to-right array. The left and right conduit mounting slots 102 are used to connect with the gas pipeline of the air compressor, and the front and back conduit mounting slots 102 are used to connect with the cleaning system. The present invention connects with the gas pipeline and the cleaning system through the conduit mounting slots 102, which can realize the air intake and outlet on the one hand, and can clean the filtering mechanism on the other hand.

[0036] It also includes a discharge movable cover 2, which is detachably connected to the bottom end of the mounting base 1 through a connecting structure, and a separation ring 202 and a partition plate 203 are arranged inside the cover.

[0037] Specifically, a discharge nozzle 201 is fixedly installed at the bottom end of the discharge movable cover 2; the present invention discharges the liquid in the discharge movable cover 2 by providing the discharge nozzle 201.

[0038] The sealing seat 5 is installed at the top of the mounting seat 1. The present invention provides the sealing seat 5 to seal the top of the mounting seat 1, and facilitates the disassembly and replacement of the air guide seat 6. Specifically, the sealing seat 5 is connected to the top of the mounting seat 1 through a fastener.

[0039] The air guide seat 6 is inserted into the interior of the mounting seat 1 in a limited sliding manner.

[0040] The filter element 3 is threadedly connected to the bottom of the air guide seat 6, the bottom of which abuts against the partition ring 202, and the peripheral side wall of which abuts against the partition plate 203, and the interior of which is divided into two filter chambers 4 by the partition plate.

[0041] Two air guide grooves 61 are provided inside the air guide seat 6, and the air guide grooves 61 allow the gas of the air pipeline of the left air compressor to flow unidirectionally into the two filter chambers 4. The front and rear sides of the air guide grooves 61 are connected to the cleaning system through the cleaning grooves 62. The present invention realizes air guidance inside the filter element 3 by providing the air guide grooves 61. It should be emphasized in the present invention that a layer of air permeable membrane is provided on the inner wall, which can only allow gas to pass through, but not liquid.

[0042] Specifically, a blocking plate 611 with a one-way valve is provided in the air inlet end of the air guide groove 61; the present invention prevents the cleaning liquid from flowing back into the catheter installation groove 102 during cleaning by providing the blocking plate 611 and the one-way valve.

[0043] Specifically, the cleaning groove 62 is opened on the front and rear sides of the inner wall of the air guide groove 61, and is connected to the front and rear two catheter mounting grooves 102; by setting the cleaning groove 62, the present invention can allow the cleaning liquid to enter the air guide groove 61 and the filter cavity 4, and then can clean the filter cavity 4.

[0044] Two automatic oil drain components 7 are placed at the bottom of the two filter chambers 4. When the filtered oil reaches a preset amount, they are opened under the action of air pressure to drain the oil. The design of the automatic oil drain component 7 of the present invention can automatically discharge the accumulated oil through the action of air pressure when the system liquid reaches a certain amount, thereby avoiding the performance degradation of the filter element 3.

[0045] Specifically, the automatic oil drain assembly 7 includes a connection hole 701, an oil drain pipe 702, a fixing seat 703, an oil hole 704, a connecting pipe 705, and a sealing plug 706, the oil drain pipe 702 is installed in the connection hole 701, the fixing seat 703 is fixedly installed at the top of the oil drain pipe 702, and the fixing seat 703 is set as a boss-shaped structure, the oil hole 704 surrounds the outer side wall of the fixing seat 703, the connecting pipe 705 is fixedly installed in the middle of the fixing seat 703, and the top of the connecting pipe 705 extends to the top of the connection hole 701, and the sealing plug 706 is installed at the bottom of the oil drain pipe 702, and the sealing plug 706 is connected to the fixing seat 703 through a tension spring. The setting of the tension spring of the present invention ensures that the sealing plug 706 can achieve the sealing of the bottom of the oil drain pipe 702.

[0046] The automatic oil drain assembly 7 also includes a movable plug 707 and a movable column 708 . The movable plug 707 is configured as a boss-shaped structure, and the movable plug 707 is fixedly installed above the sealing plug 706 . The movable column 708 is fixedly installed on the top of the movable plug 707 .

[0047] Two connecting grooves 8 are provided in the air guide seat 6, one end of which is connected to the cavity surrounded by the outer wall of the filter element 3 and the discharge movable cover 2, and the other end is connected to the gas pipeline of the air compressor connected to the right side of the mounting seat 1; the present invention is used to discharge the filtered gas by setting the connecting groove 8.

[0048] The ventilation plate 9 is placed at one end of the connecting groove 8 which is connected to the gas pipeline of the right air compressor; it has ferromagnetism.

[0049] Specifically, the ventilation plate 9 includes a ventilation body 901, and an exhaust hole 902 is provided on the ventilation body 901. The present invention provides the exhaust hole 902 to guide the filtered gas to the right side conduit installation groove 102.

[0050] The electric-controlled blocking component 10 is placed on the right side of the ventilation plate 9 and is used to block the ventilation plate 9 to achieve the connection and disconnection between the connecting groove 8 and the right air compressor gas pipeline, that is, to achieve the connection and disconnection between the connecting groove 8 and the right installation groove 102.

[0051] Specifically, the electrically-controlled blocking component 10 includes a first electromagnet 1001, which is placed on the right side of the ventilation body 901 and corresponds to the exhaust hole 902. The first electromagnet 1001 is connected to the ventilation plate 9 through an elastic deformation portion 1002. The present invention sets an electrically-controlled blocking component 10 and controls the first electromagnet 1001 to be energized. The first electromagnet 1001 generates a magnetic attraction when it is energized. The elastic deformation portion 1002 is deformed under the action of the magnetic attraction, so that the first electromagnet 1001 blocks the exhaust hole 902 on the ventilation plate 9.

[0052] In summary, when filtering the gas in the air compressor pipeline, the left and right side conduit mounting grooves 102 of the mounting seat 1 are connected to the air compressor pipeline, and the front and rear conduit mounting grooves 102 are connected to the cleaning system. The mixed gas entering the air compressor pipeline is guided into the air guide seat 6 through the conduit mounting groove 102, and then enters the two filter cavities 4 of the filter element 3 through the two air guide grooves 61. After the air is filtered by the filter element 3, the pure air enters the outside of the filter element 3, and re-enters the air compressor pipeline through the connecting groove 8 and the right conduit mounting groove 102.

[0053] The oil and water in the air flow downward along the inner wall of the filter element 3 and enter the discharge movable cover 2 through the automatic oil discharge assembly 7 to achieve oil-gas separation of the mixed gas. The oil stored in the discharge movable cover 2 can be discharged through the discharge nozzle 201.

[0054] After being filtered by the filter element 3, the oil in the mixed gas flows downward along the inner wall of the filter element 3 and passes through the oil hole 704 into the oil drain pipe 702. Since the top of the oil drain pipe 702 is connected with the space inside the filter element 3 through the oil hole 704 and the connecting pipe 705, the air pressure in the oil drain pipe 702 is consistent with the air pressure inside the filter element 3. When the oil enters the oil drain pipe 702, the internal space of the oil drain pipe 702 is reduced. Therefore, after the oil accumulates to a certain extent in the oil drain pipe 702, the pressure inside the oil drain pipe 702 increases to a threshold value. At this time, the pressure generated by the air pressure on the sealing plug 706 is greater than the force of the tension spring. At this time, the sealing plug 706 moves downward, and the oil in the oil drain pipe 702 can be discharged into the discharge movable cover 2 through the gap between the sealing plug 706 and the oil drain pipe 702. In this process, the normal operation of the filter element 3 will not be affected, and the normal operation of the device is guaranteed while achieving oil discharge.

[0055] Based on the previous embodiment, although the above embodiment can clean the filter mechanism, it needs to be cleaned regularly and cannot be cleaned in time according to the blockage situation. In a harsh working environment, blockage is still likely to occur before the scheduled cleaning time is reached. Based on the previous embodiment, the following improvements are made.

[0056] The intelligent wireless digital pressure gauge 11 is placed on the top of the sealing seat 5 and is connected to the air guide groove 61 through the air pressure detection tube 12.

[0057] The magnetic sliding sleeve 15 , whose sealing sliding sleeve is arranged outside the air pressure detection tube 12 , has its inner cavity connected to the two connecting grooves 8 respectively through two butt-joint tubes 14 , and its top connected to the inner wall of the sealing seat 5 through a compression spring 18 .

[0058] Specifically, the side wall of the magnetic sliding sleeve 15 is provided with a docking hole 1501 for docking with the docking tube 14, and the top of the connecting groove 8 is provided with a connecting groove 13 for docking with the docking tube 14; the present invention can connect the air pressure detection tube 12 with the right side conduit installation groove 102 by providing the docking tube 14, so as to detect the air pressure of the right side conduit installation groove 102. The intelligent wireless digital display barometer 11 can realize the detection of the pressure of the filtered gas.

[0059] The side wall of the air pressure detection tube 12 is provided with two first holes 1201, a second hole 1202, and a third hole 1203; when the magnetic sliding sleeve 15 slides upward by a first preset distance, the two docking holes 1501 are connected to the first hole 1201. When the two filter elements 3 are connected to the right side conduit installation groove 102, the gas pressure in the right side conduit installation groove 102 is detected.

[0060] When the magnetic sliding sleeve 15 slides upwards by a second preset distance, one of the docking holes 1501 is connected to the second hole 1202 .

[0061] When the magnetic sliding sleeve 15 slides upwards by a third preset distance, the other docking hole 1501 is connected to the third hole 1203 .

[0062] Specifically, the magnetic sliding sleeve 15 includes a sliding sleeve 1502, which is slidably connected to the air pressure detection tube 12, and a permanent magnet 1503, which is placed at the bottom of the sliding sleeve 1502. The present invention is used to generate a magnetic repulsive force between the magnetic sliding sleeve 15 and the electromagnetic drive unit 17 by setting the permanent magnet 1503, so that the magnetic sliding sleeve 15 slides upward.

[0063] The ferromagnetic plugging member 16 is placed inside the air pressure detection tube 12. A partition plate is provided inside the air pressure detection tube 12 below the ferromagnetic plugging member 16. Figure 7 shown.

[0064] Specifically, the ferromagnetic plugging member 16 includes a conical ring 1601, which is placed in the air pressure detection tube 12; and a ferromagnetic conical protrusion 1602, which is adapted to the conical ring 1601 and connected to the inner wall of the conical ring 1601 through an elastic member. The present invention achieves the plugging of the conical ring 1601 by promoting the movement of the ferromagnetic conical protrusion 1602 through the electromagnetic driving unit 17 through the mutual cooperation between the conical ring 1601, the ferromagnetic conical protrusion 1602 and the elastic member.

[0065] The electromagnetic drive unit 17 is placed between the air guide seat 6 and the magnetic sliding sleeve 15. It can be used to drive the ferromagnetic sealing member 16 to seal the air pressure detection tube 12, and can also drive the magnetic sliding sleeve 15 to slide to achieve the connection and disconnection of the docking hole 1501 and the first hole 1201 or the second hole 1202 or the third hole 1203.

[0066] Specifically, the electromagnetic drive unit 17 includes a second electromagnet 1701. The present invention controls the energizing direction and current magnitude of the second electromagnet 1701 to generate a magnetic repulsive force between the magnetic sliding sleeve 15 and the second electromagnet 1701, thereby pushing the magnetic sliding sleeve 15 to slide upward and achieve communication with the first hole 1201, the second hole 1202, or the third hole 1203.

[0067] During normal filtering operation, the intelligent wireless digital display barometer 11 can transmit the monitored barometric pressure value in real time via wireless transmission.

[0068] During normal filtering operation, the second electromagnet 1701 is controlled to pass the first preset current through time, so that a magnetic repulsion force is generated between the second electromagnet 1701 and the magnetic sliding sleeve 15, causing the magnetic sliding sleeve 15 to slide upward, and finally the first hole 1201 is connected with the docking tube 14. At the same time, under the action of the magnetic attraction of the second electromagnet 1701, the ferromagnetic conical protrusion 1602 slides downward to block the conical ring 1601, and then the air pressure detection tube 12 is only connected to the connecting groove 8, thereby realizing the detection of the gas pressure after filtering by the filter element 3.

[0069] By comparing the real-time detected pressure value of the gas after being filtered by the filter element 3 with the first preset value, if the real-time detected pressure value of the gas after being filtered by the filter element 3 is greater than the first preset value, it means that the filter element 3 is damaged and leaking.

[0070] If the real-time detected gas pressure value after filtering by the filter element 3 is less than the first preset value, it means that the filter element 3 is blocked; then the second preset current is passed through the second electromagnet 1701 by controlling the second preset current, and the second preset current is greater than the first preset current, so that the magnetic sliding sleeve 15 slides upward, and then the second hole 1202 is connected to one of the docking tubes 14. At this time, the ferromagnetic conical protrusion 1602 in the air pressure detection tube 12 has blocked the conical ring 1601, and at the same time, the first electromagnet 1001 of the electrically controlled blocking component 10 of the other docking tube 14 is energized, so that the electrically controlled blocking component 10 blocks the ventilation plate 9 corresponding to the other docking tube 14, so that only a single filter chamber 4 can work, and then the gas pressure value after filtering by the single filter chamber 4 is detected. If the real-time detected gas pressure value after filtering by the single filter element 3 is less than the second preset value, it means that the filter element 3 is blocked, and then the filter element 3 is cleaned.

[0071] In a similar manner as described above, by passing a third preset current through the second electromagnet 1701, the third preset current is greater than the second preset current, so that the third hole 1203 is connected to the other docking tube 14, so that the connecting groove 8 corresponding to the filter chamber 4 to be detected is connected to the air pressure detection tube 12, and at the same time, the electric-controlled sealing component 10 corresponding to the non-detection filter chamber 4 is controlled to seal the ventilation plate 9, thereby realizing the detection of the gas pressure value after filtering through another filter chamber 4.

[0072] When the blocked filter chamber 4 needs to be cleaned, the first electromagnet 1001 of the electrically-controlled blocking component 10 corresponding to the blocked filter chamber 4 is energized to make the electrically-controlled blocking component 10 block the ventilation plate 9 corresponding to the blocked filter chamber 4, and at the same time, the second electromagnet 1701 is controlled to pass a first preset current to make the ferromagnetic conical protrusion 1602 block the conical ring 1601. At this time, the air pressure detection tube 12 is not connected to the air guide groove 61, and then the cleaning system corresponding to the blocked filter chamber 4 is controlled to work, and liquid is supplied to the blocked filter chamber 4 to clean the inside of the blocked filter chamber 4. The cleaned liquid is discharged through the automatic oil drain assembly 7, and at the same time, the filter element 3 that has not been cleaned is still in working condition, thereby achieving non-stop cleaning.

[0073] The present invention also provides a filtering method for a filtering mechanism of an air compressor, comprising the following steps: Step 1: Equipment installation: connect the left and right sides of the mounting base 1 to the air compressor pipeline, and connect the front and rear sides of the mounting base 1 to the cleaning system; Step 2: Filtration and separation: the gas in the air compressor pipeline on the left side of the mounting seat 1 enters the air guide seat 6 through the mounting seat 1, and then enters the interior of the filter element 3 through the two air guide grooves 61. After the air is filtered by the filter element 3, the pure air enters the outside of the filter element 3 and re-enters the air compressor pipeline on the right side of the mounting seat 1 through the connecting groove 8; Step 3: Oil discharge: the oil separated from the filter element 3 enters the discharge movable cover 2 through the automatic oil discharge assembly 7 to achieve automatic oil discharge; Step 4: During normal filtering operation, the electromagnetic drive unit 17 is controlled to work by timing, so that the magnetic sliding sleeve 15 slides upward, and finally the first hole 1201 is connected with the docking tube 14. At the same time, under the magnetic attraction of the electromagnetic drive unit 17, the ferromagnetic blocking member 16 blocks the air pressure detection tube 12, and then the air pressure detection tube 12 is connected with the two connecting grooves 8, so as to detect the pressure of the gas after being filtered by the filter element 3; If the real-time detected pressure value of the gas after being filtered by the filter element 3 is greater than the first preset value, it means that the filter element 3 is damaged and leaking; If the real-time detected pressure value of the gas after being filtered by the filter element 3 is less than the first preset value, it means that the filter element 3 is clogged; Step 5: Control the cleaning system to clean the filter element 3.

[0074] Finally, it should be noted that the above is only 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 aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter mechanism for an air compressor, comprising a hollow mounting seat (1), characterized in that: The left and right sides of the cavity are connected to the gas pipeline of the air compressor, and the front and rear sides of the cavity are connected to the cleaning system; It also includes a discharge movable cover (2), which is detachably connected to the bottom end of the mounting seat (1), and has a separation ring (202) and a partition plate (203) inside. A sealing seat (5) mounted on the top of the mounting seat (1); The air guide seat (6) is inserted into the interior of the mounting seat (1) in a limited sliding manner. A filter element (3) is threadedly connected to the bottom of the air guide seat (6), the bottom of which abuts against the partition ring (202), the peripheral side wall of which abuts against the partition plate (203), and the interior of which is divided into two filter chambers (4) by the partition plate; Two air guide grooves (61) are provided inside the air guide seat (6), and the air guide grooves (61) allow the gas from the air pipeline of the left air compressor to flow unidirectionally into the two filter chambers (4). The front and rear sides of the air guide grooves (61) are connected to a cleaning system via a cleaning groove (62); Two automatic oil draining components (7) are placed at the bottom of the two filter chambers (4) and are opened under the action of air pressure to drain the oil when the filtered oil reaches a preset amount; Two connecting grooves (8) are provided in the air guide seat (6), one end of which is connected to the cavity surrounded by the outer wall of the filter element (3) and the discharge movable cover (2), and the other end is connected to the air pipeline of the air compressor connected to the right side of the mounting seat (1); A ventilation plate (9) is disposed at one end of the connecting groove (8) connected to the gas pipeline of the right air compressor; An electrically controlled blocking component (10) is disposed on the right side of the ventilation plate (9) and is used to block the ventilation plate (9) to achieve connection and disconnection between the connecting groove (8) and the gas pipeline of the right air compressor.

2. The filter mechanism of an air compressor according to claim 1, characterized in that: An intelligent wireless digital pressure gauge (11), which is placed on the top of the sealing seat (5) and is connected to the air guide groove (61) via an air pressure detection tube (12); A magnetic sliding sleeve (15), wherein the sealing sliding sleeve is arranged outside the air pressure detection tube (12), wherein the inner cavity of the magnetic sliding sleeve is respectively connected to the two connecting grooves (8) via two butt-jointed tubes (14), and the top of the magnetic sliding sleeve is connected to the inner wall of the sealing seat (5) via a compression spring (18); The side wall of the air pressure detection tube (12) is provided with two first holes (1201), a second hole (1202), and a third hole (1203); A ferromagnetic plugging piece (16) is disposed inside the air pressure detection tube (12), and a partition plate is provided inside the air pressure detection tube (12) below the ferromagnetic plugging piece (16); The electromagnetic drive part (17) is disposed between the air guide seat (6) and the magnetic sliding sleeve (15), and can be used to drive the ferromagnetic blocking member (16) to block the air pressure detection tube (12), and can also drive the magnetic sliding sleeve (15) to slide.

3. The filter mechanism of an air compressor according to claim 2, characterized in that: The automatic oil drain assembly (7) comprises a connecting hole (701) formed at the bottom of the filter element (3), an oil drain pipe (702), a fixing seat (703), an oil passage hole (704), a connecting pipe (705) and a sealing plug (706); the oil drain pipe (702) is installed in the connecting hole (701); the fixing seat (703) is fixedly installed at the top of the oil drain pipe (702), and the fixing seat (703) is configured as a boss-shaped structure; the oil passage hole (704) surrounds the outer wall formed at the fixing seat (703); the connecting pipe (705) is fixedly installed at the middle of the fixing seat (703), and the top of the connecting pipe (705) extends above the connecting hole (701); the sealing plug (706) is installed at the bottom of the oil drain pipe (702), and the sealing plug (706) is connected to the fixing seat (703) via a tension spring.

4. The filter mechanism of an air compressor according to claim 2, characterized in that: The ventilation plate (9) comprises a ventilation body (901), and an exhaust hole (902) is provided on the ventilation body (901).

5. The filter mechanism of an air compressor according to claim 4, characterized in that: The electrically controlled blocking component (10) comprises a first electromagnet (1001), which is disposed on the right side of the ventilation body (901) and corresponds to the exhaust hole (902); the first electromagnet (1001) is connected to the ventilation plate (9) via an elastic deformation portion (1002).

6. The filter mechanism of an air compressor according to claim 2, characterized in that: The magnetic sliding sleeve (15) comprises a sliding sleeve (1502) which is slidably connected to the air pressure detection tube (12); A permanent magnet (1503) is placed at the bottom of the sliding sleeve (1502).

7. The filter mechanism of an air compressor according to claim 2, characterized in that: The ferromagnetic sealing member (16) comprises a conical ring (1601) which is placed in the air pressure detection tube (12); A ferromagnetic conical protrusion (1602) is adapted to the conical ring (1601) and is connected to the inner wall of the conical ring (1601) via an elastic member.

8. The filter mechanism of an air compressor according to claim 2, characterized in that: A blocking plate (611) with a one-way valve is provided in the air inlet end of the air guide groove (61).

9. The filter mechanism of an air compressor according to claim 2, characterized in that: The side wall of the magnetic sliding sleeve (15) is provided with a docking hole (1501) for docking with the docking tube (14), and the top of the connecting groove (8) is provided with a connecting groove (13) for docking with the docking tube (14).

10. A filtering method for a filter mechanism of an air compressor, using the filter mechanism according to any one of claims 2 to 9 for filtering, characterized in that: The following steps are involved: Step 1: Equipment installation: connect the left and right sides of the mounting base (1) to the air compressor pipeline, and connect the front and rear sides of the mounting base (1) to the cleaning system; Step 2: filtering and separating, the gas in the air compressor pipeline on the left side of the mounting seat (1) enters the air guide seat (6) through the mounting seat (1), and then enters the interior of the filter element (3) through the two air guide grooves (61); after the air is filtered by the filter element (3), the pure air enters the outside of the filter element (3), and re-enters the air compressor pipeline on the right side of the mounting seat (1) through the connecting groove (8); Step 3: oil discharge, the oil separated from the filter element (3) enters the discharge movable cover (2) through the automatic oil discharge component (7), thereby achieving automatic oil discharge; Step 4: During normal filtering operation, the electromagnetic drive unit (17) is controlled to operate in a timely manner, so that the magnetic sliding sleeve (15) slides upward, and finally the first hole (1201) is connected to the docking tube (14). At the same time, under the magnetic attraction of the electromagnetic drive unit (17), the ferromagnetic blocking member (16) blocks the air pressure detection tube (12), and then the air pressure detection tube (12) is connected to the two connecting grooves (8), thereby realizing the detection of the pressure of the gas after being filtered by the filter element (3); If the pressure value of the gas filtered by the filter element (3) detected in real time is greater than a first preset value, it indicates that the filter element (3) is damaged and leaking; If the pressure value of the gas filtered by the filter element (3) detected in real time is less than a first preset value, it indicates that the filter element (3) is clogged; Step five: controlling the cleaning system to clean the filter element (3).

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