CN2290751Y - Electromagnetic lubricating oil circulation filter - Google Patents

Abstract

The utility model relates to a magnetoelectric type lubricating oil circulation filter, which has the functions of electrophoretic adsorption, strong magnetic purification, electric field water removing, and explosion protection. The utility model is characterized in that the utility model is provided with a magnetoelectric filter and an electric field filter which are respectively connected with an inlet and outlet of an oil pump by pipelines and valves and are communicated by a pipeline; the utility model is also provided with a control motor, a control cabinet of the magnetoelectric filter, and a control cabinet of the electric field filter. The utility model can completely eliminate the water and th impurities in the oil. The pure new oil indexes can be reached by the used oil. The impurities of the lubricating oil can be reduced by lower than 0.0008%. The utility model has no need for replacing the new oil when used for a long time, and a filter core dose not need to be replaced.

Description

Magnetoelectricity type lubrication oil circulation oil filter

The utility model relates to and a kind ofly has that electrophoresis absorption, strong magnetic purify, electric field dewaters and the magnetoelectricity type lubrication oil circulation oil filter of explosion prevention function.

It is reported that the filter kind that is used for lubrication oil filtration so far is more, as flame filter press, centrifugal filter etc.Flame filter press is to intercept power by machinery, lubricant oil is purified, it but passes mesh to being eliminated greater than the particle of filter core mesh is as easy as rolling off a log to the particle less than mesh, residues in the lubricant oil, and it is cumulative, time one, the long turnover pressure reduction that causes was big, often needed more renew cartridge, and in the impurity oil residues less than mesh, produce gluey greasy filth and not only stop up oil circuit, and insufficient lubrication leads to fault.Common filter is the impurity of filtering more than 10 microns only, only account for 10% of impurity grain number, still have 90% can't filtering less than the particle of mesh below 10 microns and residue in the lubricant oil, increase along with working time, oil is deterioration gradually, particularly metal particle plays catalysis to oleic acidization, consumes antioxidant in the oil rapidly, and rust preventing agent makes oil produce the secondary pollution that emulsification causes oil.Centrifugal filter is by centrifugal force oil and impurity to be carried out isolation of purified according to oil is different with the proportion of impurity, and the oil that contains water is easily produced emulsification, can't be with oil, water separation.Generally speaking, existing filter all can not be removed moisture content and the impurity in the oil fully.

The purpose of this utility model is, provide a kind of reasonable in design, simple in structure, long service life, for ease of maintenaince, change, have electrophoresis absorption, strong magnetic purifies, electric field dewater and explosion prevention function can remove the magnetoelectricity type lubrication oil circulation oil filter that moisture content in the oil and the oil after the impurity use can reach pure new oil index fully.

Technical solution of the present utility model is, to achieve these goals, on motor, be connected with oil pump, and be provided with that be connected with the oil pump inlet/outlet respectively with valve by pipeline and magnetoelectricity filter by pipeline UNICOM, the control cabinet of electric field filter and control motor, magnetoelectricity filter, electric field filter.For explosion-proof its motor and control cabinet all adopt anti-explosion motor and explosion-proof control cabinet.The magnetoelectricity filter is to have output tube, outlet valve by top, the bottom has supplying tube, blowdown valve, sidepiece has the tank body baffled minute food tray with supplying tube being connected interior with being located at tank body of wire-feeding hold and wire-feeding hold Sealing, be positioned at the orifice plate that is furnished with magnetic patch of tank body internal upper part and bottom, the negative electrode that is connected with cable that is positioned at the tank body middle part constitutes.The electric field filter is to have output tube, outlet valve by top, the bottom has supplying tube, drain pipe, sidepiece has the tank body baffled minute food tray with supplying tube being connected interior with being located at tank body of wire-feeding hold and wire-feeding hold Sealing, be positioned at tank body by the up-hole plate that has the electrode pore, the bottom has the orifice plate of drain pipe, be positioned at the porose electrode tube that the negative electrode that is connected with cable is housed of perisporium cloth between upper and lower orifice plate, perisporium cloth porose in the filter member that the sleeve of filter material constitutes be housed constitute.Control cabinet be by panel be furnished with voltmeter, ammeter, tutorial light, motor switch, electric field switch, pressure governor knob, wallboard have the cabinet of wire-feeding hold, wire outlet hole and be located in the cabinet by boost rectifying circuit, the bidirectional triode thyristor electronic voltage regulating circuit, the water-level alarm indicating circuit, the circuit that control relay circuit and motor, electric field controls circuit are formed constitutes.In order to make the integration of magnetoelectricity type lubrication oil circulation oil filter, motor, magnetoelectricity filter, electric field filter and strainer are located on the base.Be provided with castor for the ease of moving in the bottom of base.For the ease of finding that stopping state is provided with pressure gauge on the output pipe of oil pump.For the flow direction of controlling lubricant oil is provided with oil deflector in the bottom of the orifice plate of electric field filter.

The utility model and background technique are relatively, owing to designed and had electrophoresis absorption, strong magnetic purifies, electric field dewaters and the magnetoelectricity filter of explosion prevention function, electric field filter and control cabinet, therefore not only have reasonable in design, simple in structure, long service life, safe and reliable, be easy to installation and maintenance, advantages such as replacing, and can remove water and impurity in the oil fully, the oil after the use reaches pure new oil index, can withdraw from lubrication system after up to standard, lubricant oil impurity can be reduced to below 0.0008%, and long-term use is renew oil, more renew cartridge more.

Describe a specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the attached view of Fig. 1.

Fig. 3 is the sectional view of the electric field filter among Fig. 1.

Fig. 4 is the sectional view of the magnetoelectricity filter among Fig. 1.

Fig. 5 is the A-A sectional view of Fig. 4.

Fig. 6 is a circuit diagram of the present utility model.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, on the rectangular base 1 that castor 2 is arranged by bolton, be welded with magnetoelectricity filter 28, electric field filter 14 has electric machine support 12 by bolton, strainer support 9 and control cabinet 31.On electric machine support 12, the motor 13 that gear oil pump 16 is installed is arranged by bolton.On strainer support 9, strainer 15 is arranged by bolton.Magnetoelectricity filter 28 is to be welded with output tube 22 by upper lateral part, have wire-feeding hold 36, the bottom is welded with supplying tube 5, drain pipe 11, the tank body 56 that upper end-hole has flange and the sealing cover 25 that outlet valve 20 is installed arranged by bolton be contained in tank body 56 in pass through that loose joint 70 is connected with supplying tube 5 by top be furnished with nozzle opening 72 in, outer 2 ring pipes that connect by cross over pipe 71 and be welded in, the branch food tray 53 that the round truncated cone shape baffle plate 54 of outer 2 ring pipe upper inner constitutes, top by being welded in angle bar 68 supporting on jar inwall is by the circular orifice 69 that is furnished with magnetic patch 55, be furnished with the orifice plate 69 of magnetic patch 55 by the bottom that is placed on bearing ring 67 supportings on the cast orifice plate 69, be furnished with the cast orifice plate 69 of magnetic patch 55 by the top that is placed on plastic barrel 57 supportings on the circular orifice 69, be furnished with the cast orifice plate 69 of magnetic patch 55 by the top that is placed on plastic barrel 57 supportings on the circular orifice 69, be furnished with the circular orifice 69 of magnetic patch 55 by the bottom that is placed on bearing ring 63 supportings on the circular orifice 69, be fastened on angle bar 65 on the plastic barrel 57 middle part inwalls by screw, be placed on the circular ground connection orifice plate 59 on the angle bar 65, by polyethylene insulation cover 61 fixings the cable sleeve that passes circular ground connection orifice plate 59 66 and 4 nylon insulation columns 60 that are through on the circular ground connection orifice plate 59 in circular ground connection orifice plate central hole, be connected the negative pole cast orifice electrode 58 at cable sleeve 66 and nylon insulation column 60 two ends by screw and cable core, be welded in cable 64 that the confession on the superposed circular orifice electrode 58 is connected with power supply and the elbow 62 that is screwed in output tube 19 entry ends and constitute.Its orifice plate 69 is steel net plates.Orifice electrode 58 is aluminium web plates, and magnetic patch 55 is ndfeb magnets.Electric field filter 14 is to have wire-feeding hold 36 by upper lateral part, the bottom is welded with supplying tube 6, drain pipe 11, upper end-hole has flange and is welded with output tube 19 by bolton, be equipped with outlet valve 20 sealing cover 25 tank body 42 be contained in tank body 42 in pass through that loose joint 70 is connected with supplying tube 6 by top be furnished with nozzle opening 72 in, outer 2 ring pipes that connect by cross over pipe and be welded in, the branch food tray 53 that the round truncated cone shape baffle plate 54 of outer 2 ring pipe upper inner constitutes, by be welded in angle bar 50 supporting on jar inwall by the up-hole plate 45 that has the centre electrode pore, the bottom has the orifice plate 49 of center drain pipe 52 and oil deflector 51, be positioned at, perisporium cloth between orifice plate porose in the centre electrode pipe 47 of the negative pole aluminium net electrode 48 that is connected with cable is housed, perisporium cloth porose in the filter member that the inner sleeve 46 of dacron elasticity silk dielectric filter material 17 and closed outer casing tube 43 and up-hole plate trim ring 44 constitute be housed constitute.Its upper and lower orifice plate 45,49, inner and outer sleeves 46,43, center drain pipe 52, oil deflector 51, up-hole plate trim ring 44 are made by polyethylene.Electrode tube 47 is made by PVC.Electrode tube 47, inner and outer sleeves 46,43, center drain pipe 52, oil deflector 51 all are welded on the orifice plate 49.Be screwed with wire-feeding hold Sealing 23 in the wire-feeding hold 36 of magnetoelectricity filter 28 and electric field filter 14, wire-feeding hold Sealing 23 is that an end outer wall car has screw thread, and the other end has the pipe of nut.On the supplying tube 5 of magnetoelectricity filter 28, ball valve 37 is installed, on the output tube 19 of electric field filter 14, ball valve 18 is installed.Be connected with respectively the pipeline that is connected with supplying tube 5 with gear oil pump 16 in the bottom of ball valve 18.With pipeline that supplying tube 5 is connected on ball valve 34 is installed.The output tube 22 of magnetoelectricity filter 28 is connected with the supplying tube 6 of electric field filter 14 lower sides.On the output tube 7 of coarse-grain filtering device 15 bottoms, ball valve 8 is installed.The supplying tube 24 at coarse-grain filtering device 15 tops is connected with the output tube 29 of gear oil pump 16 and magnetoelectricity filter, the supplying tube 6 of electric field filter respectively, with pipeline that gear oil pump 16 is connected on pressure gauge 21 is installed, on the pipeline that the supplying tube 6 with the output tube 5 of magnetoelectricity filter, electric field filter is connected, ball valve 35 is installed.On the drain pipe 11 of magnetoelectricity filter 28 and electric field filter 14 bottoms, ball valve 39 is installed, is connected with threeway 41 by pipe 40 39 of 2 ball valves.Place, 4 angles at base 1 is welded with suspension ring 38.Be welded with 2 channel-section steels 10 that play reinforing function in the bottom of base 1.Control cabinet 32 is to be furnished with voltmeter 26 by panel, ammeter 30, tutorial light 29, motor switch 27, electric field switch 33, pressure governor knob 32, wallboard has wire-feeding hold 4, the cabinet of wire outlet hole 3 and be contained in the cabinet by boost rectifying circuit 73, bidirectional triode thyristor electronic voltage regulating circuit 74, water-level alarm indicating circuit 75, the circuit that control relay circuit 76, signaling lamp indicating circuit 77 and motor, electric field controls circuit 78 are formed constitutes.Boost rectifying circuit 73 is by high-tension transformer B ₁, ammeter mA, high pressure bridge rectifier D ₁-D ₄, resistance R ₁, R ₂Constitute, bidirectional triode thyristor electronic voltage regulating circuit 74 is by voltmeter V, bidirectional triode thyristor SCR, triode BG ₁, double-basis utmost point pipe BG ₄, potentiometer W, commutation diode D ₉, resistance R ₃, R ₄, R ₅, R ₆, R ₇, R ₈, R ₉, capacitor C ₁, C ₂Constitute, water-level alarm indicating circuit 75 is by step-down transformer B ₂, bridge rectifier D ₅D ₆, triode BG ₂, BG ₃, diode D ₁₀, survey water electrode R _XRelay coil 2ZJ constitutes, and control relay circuit 76 is by relay 1ZJ ₁, 2ZJ ₁, button TA, QA, relay coil 1ZJ, A.C. contactor actuating coil CJ, relay 1ZJ ₃, current relay LJ ₁, A.C. contactor CJ ₄Constitute, signaling lamp indicating circuit 77 is by air-break switch ZK, A.C. contactor CJ ₃, relay 1ZJ ₂, 2ZJ ₂, green tutorial light LD ₁, LD ₂, red tutorial light HD ₁, HD ₂Constitute, motor, electric field controls circuit 78 are by air-break switch ZK, A.C. contactor CJ ₁, current relay actuating coil LJ, motor D constitute its high-tension transformer B ₁Elementary top be connected with the end of current relay actuating coil LJ, voltmeter V respectively, terminal respectively with the other end of voltmeter V, bidirectional triode thyristor SCR, commutation diode D ₉Positive pole connect secondary and high pressure bridge rectifier D ₁-D ₄Connect the high pressure bridge rectifier D ₁-D ₄Positive pole and ammeter mA, divider resistance R ₂An end connect ammeter mA, divider resistance R ₂The other end ground connection, the high pressure bridge rectifier D ₁-D ₄Negative pole and current-limiting resistance R ₂An end connect current-limiting resistance R ₂The other end be connected resistance R with the electric field negative pole of filter ₆An end and high-tension transformer B ₁Terminal connect the other end and capacitor C ₁An end connect capacitor C ₁The other end ground connection, the end of bidirectional triode thyristor SCR and high-tension transformer B ₁Terminal connect the other end ground connection, its control utmost point and resistance R ₇An end connect resistance R ₇The other end respectively with resistance R ₈An end, triode BG ₁Emitter connect triode BG ₁Base stage and double-basis utmost point pipe BG ₄And resistance R ₉The utmost point that connects connects, triode BG ₁Collector electrode and resistance R ₃, R ₄, R ₅Connect resistance R ₃The other end and commutation diode D ₉Negative pole connect resistance R _xThe other end and double-basis utmost point pipe BG ₄And resistance R ₅The utmost point that connects connects, resistance R ₄The other end be connected with the end of potentiometer W, the other end of potentiometer W respectively with double-basis utmost point pipe BG ₄Base stage, capacitor C ₂One end connects, capacitor C ₂, resistance R ₈, R ₉The other end ground connection, step-down transformer B ₂Elementaryly be connected secondary and bridge rectifier D with 220 volts of power supplys ₅-D ₈Connect bridge rectifier D ₅-D ₆Plus earth, negative pole and triode BG ₃Emitter connect triode BG ₃Base stage and triode BG ₂Emitter connect triode BG ₂Collector electrode respectively with triode BG ₃Collector electrode, diode D ₁₀The end of negative pole, relay coil 2ZJ connect triode BG ₂Base stage with survey water electrode R _XAn end connect, survey water electrode R _X, the other end of relay coil 2ZJ, diode D ₁₀Plus earth, relay 2ZJ ₁An end of normally-closed contact be connected with 220 volts of power supplys, the other end is connected with the normal-closed end of button TA, another normal-closed end of button TA respectively with A.C. contactor CJ ₄An end of normally opened contact, the Chang Kaiduan of button QA connects, another Chang Kaiduan of button QA and relay 1ZJ ₁An end of normally-closed contact connect relay 1ZJ ₁The other end of normally-closed contact be connected current relay LJ with the end of A.C. contactor actuating coil CJ ₁Normally opened contact and relay 1ZJ ₃The normally opened contact parallel connection after be connected current relay LJ with the end of relay actuating coil 1ZJ ₁The other end be connected with 220 volts of power supplys, the other end ground connection of A.C. contactor actuating coil CJ and relay actuating coil 1ZJ, oil pump moves green tutorial light LD ₁, the green tutorial light LD of field operation ₂, the red tutorial light HD of electric field fault ₁, the red tutorial light HD of water-level alarm ₂An end ground connection, the other end respectively with the air-break switch ZK that is connected with 220 volts of power supplys, A.C. contactor CJ ₃, relay 1ZJ ₂, 2ZJ ₂Connect the other end of current relay actuating coil LJ and A.C. contactor CJ ₁An end connect A.C. contactor CJ ₁The other end be connected A.C. contactor CJ with 220 volts of power supplys ₂An end be connected with the common ground N utmost point, the other end is connected with the grounding end of electronic voltage regulating circuit 74, the end of air-break switch ZK is connected with 380 volts of three phase mains, the other end is connected with electrode D.

During use, the output tube of fuel tank bottom and the supplying tube 5 of magnetoelectricity filter 28 are coupled together, the supplying tube on fuel tank top and the output tube 7 of strainer 15 are coupled together, on base 1, be connected to earth lead, make the tank ground of magnetoelectricity filter 28 and electric field filter 14, and connect power supply because oil filter belongs to the negative pressure operation, therefore, must fill with oil for earlier magnetoelectricity filter 28, electric field filter 14 before the operation.Correction oil injection method: open tank deck outlet valve 20, open ball valve 34,35, close ball valve 18,8,37, outlet valve 20 is closed in 16, two outlet valves of starter receiver oil pump, 20 fuel-displaced back terminations of pumping then. Close ball valve 34,35 after oiling finishes, open ball valve 18,8,37, starter receiver oil pump 16, the normal back of operation starts electric field switch 33, and pressure governor transfers to 200 volts, and the pointer of ammeter 30 is positioned at about 0.5 milliampere, belongs to normal operation this moment.When the warning red light is bright, should close electric field switch 33, restart electric field switch 33 after waiting to ascertain the reason, when the pointer of pressure gauge 26 surpasses 0.3mPa, should shut down and change filter material or find out plugging reason.When the red light that discharges water is bright, close gear oil pump open after 1 minute blowdown valve 40 be discharged to always see oil till.When shutting down, close gear oil pump after closing electric field switch 33 earlier, and pressure governor is transferred to zero-bit.

Its working procedure: the oil that enters the moisture and impurity of magnetic filter from fuel tank is sprayed on the baffle plate by a minute food tray, because the wrapping angle of water is onboard attached greater than 90 °, form big water droplet along under the plate current, and oily wrapping angle rises to strong magnetic sheet less than 90 ° along plate, behind the absorption magnetic conductivity impurity between the electric field both positive and negative polarity, under the effect of electrophoretic force, destroying bag water oil film makes the droplet of dispersed phase water in the oil be agglomerated into big water droplet, proportion just is deposited to the pot bottom of magnetoelectricity filter greater than the water of oil, discharged by drain pipe, the tank top that the oil of dehydration floats to the magnetoelectricity filter on then is inhaled in the electric field filter by pump.By a minute food tray, baffle plate, enter vertical electric field, well cuts is adsorbed in barrel and the filter material under the effect of electrophoretic force, oil after the cleaning enters tank deck by up-hole plate, returns fuel tank by the gear oil pump sucking-off, and its impurity and water are under action of gravity, at the bottom of entering jar along the drain pipe of closed outer casing tube inwall and orifice plate, discharge by blowdown valve.

Claims (8)

1, a kind of magnetoelectricity type lubrication oil circulation oil filter, include the motor [13] that is connected with oil pump [16], it is characterized in that being provided with by pipeline and valve advancing with oil pump [16] respectively, that outlet connects and the magnetoelectricity filter [28] by pipeline UNICOM, electric field filter [14], and be provided with control motor [13], magnetoelectricity filter [28], the control cabinet [31] of electric field filter [14], magnetoelectricity filter [28] is to have output tube [22] by top, outlet valve [20], the bottom has supplying tube [5], drain pipe [11], sidepiece has tank body [56] the branch food tray [53] that have baffle plate [54] that with supplying tube [5] be connected interior with being located at tank body [56] of wire-feeding hold [36] and wire-feeding hold Sealing [23], be positioned at the orifice plate that is furnished with magnetic patch [55] [69] of tank body [56] internal upper part and bottom, the electrode [58] that is positioned at tank body [56] middle part constitutes; Electric field filter [14] is to have output tube [19] by top, outlet valve [20], the bottom has supplying tube [6], drain pipe [11], sidepiece has tank body [42] the branch food tray [53] that have baffle plate [54] that with supplying tube [6] be connected interior with being located at tank body [42] of wire-feeding hold [36] and wire-feeding hold Sealing [23], be positioned at tank body [42] by the up-hole plate that has the electrode pore [45], the bottom has the orifice plate [49] of drain pipe [52], be positioned at, perisporium cloth between orifice plate porose in the electrode tube [47] of the negative electrode [48] that is connected with cable is housed, perisporium cloth porose in the filter member that the sleeve [46] of dielectric filter material [17] constitutes be housed constitute.

2, electromagnetic lubricating oil circulation filter according to claim 1, it is characterized in that said switch board [31] is to be furnished with voltmeter [26] by panel, ammeter [30], indicator lamp [29], motor switch [27], electric field switch [33], pressure regulator knob [32], wallboard has entrance hole [4], the cabinet of wire hole [3] and be located in cabinet by boost rectifying circuit [73], bidirectional triode thyristor electronic voltage regulating circuit [74], water-level alarm indicating circuit [75], control relay circuit [76], signal lamp indicating circuit [77] and motor, the circuit that electric field controls circuit [28] forms forms, boost rectifying circuit [73] is by high-tension transformer [D₁], ammeter [mA], high pressure bridge rectifier [D₁-D ₄], resistance [R₁]、[R ₂] form, bidirectional triode thyristor electronic voltage regulating circuit [74] is by voltmeter [V], bidirectional triode thyristor [SCR], triode [BG₁], double-basis utmost point pipe [BG₄], potentiometer [W], commutation diode [D₉], resistance [R₃]、[R ₄]、[R ₅]、[R ₆]、 [R ₇]、[R ₈]、[R ₉], electric capacity [C₁]、[C ₂] form, water-level alarm indicating circuit [75] is by step-down transformer [B₂], bridge rectifier [D₅ D ₈], triode [BG₂]、[BG ₃], diode [D₁₀], survey water electrode [R₈], relay coil [2ZJ] forms, control relay circuit [76] is by relay [1ZJ₁]、 [2ZJ ₂], button [TA], [QA], relay coil [1ZJ], A.C. contactor actuating coil [CJ], relay [1ZJ₃], electric current relay [LJ₁], A.C. contactor [CJ₄] form, signal lamp indicating circuit [77] is by air switch [ZK] A.C. contactor [CJ₃], relay [1ZJ₂]、[2ZJ ₂], green finger lamp [LD₁]、[LD ₂], red indicator lamp [HD₁]、[HD ₂] form, motor, electric field controls circuit [78] they are by air switch [ZK], A.C. contactor [CJ₁], electric current relay actuating coil [LJ], motor [D] form, its high-tension transformer [B₁] elementary top be connected with an end of electric current relay actuating coil [LJ], voltmeter [V] respectively, terminal respectively with the other end of voltmeter [V], bidirectional triode thyristor [SCR], commutation diode [D₉] positive pole connect, secondary and high pressure bridge rectifier [D₁-D ₄] connect high pressure bridge rectifier [D₁-D ₄] positive pole and ammeter [mA], divider resistance [R₇] an end connect, ammeter [mA], divider resistance [R₇] other end ground connection, high pressure bridge rectifier [D₁-D ₄] negative pole and current-limiting resistance [R₂] an end connect, current-limiting resistance [R₂] the other end be connected with the electric field negative pole of filter, resistance [R₆] an end and high-tension transformer [B₁] terminal connect, the other end and electric capacity [C₁] an end connect, electric capacity [C₁] other end ground connection, an end of bidirectional triode thyristor [SCR] and high-tension transformer [B₁] terminal connect, other end ground connection, it controls the utmost point and resistance [R₇] an end connect, resistance [R₇] the other end respectively with resistance [R₈] an end, triode [BG₁] emitter stage connect, triode [BG₁] base stage and double-basis utmost point pipe [BG₄] with resistance [R₉] utmost point that connects connects, triode [BG₁] colelctor electrode and resistance [R₃]、[R ₄]、[R ₅] connect resistance [R₃] the other end and commutation diode [D₉] negative pole connect, resistance [R₅] the other end and double-basis utmost point pipe [BG₄] with resistance [R₅] utmost point that connects connects, resistance [R₄] the other end be connected with an end of potentiometer [W], the other end of potentiometer [W] respectively with double-basis utmost point pipe [BG₄] base stage, electric capacity [C₂] an end connect, electric capacity [C₂], resistance [R₈]、[R ₉] other end ground connection, step-down transformer [B₂] elementaryly with 220 volts of power supplys, be connected, secondary and bridge rectifier [D₅-D ₈] connect bridge rectifier [D₅-D ₈] plus earth, negative pole and triode [BG₃] emitter stage connect, triode [BG₃] base stage and triode [BG₂] emitter stage connect, triode [BG₂] colelctor electrode respectively with triode [BG₃] colelctor electrode, diode [D₁₀] an end of negative pole, relay coil [2ZJ] connect, triode [BG₂] base stage with survey water electrode [R_X] an end connect, survey water electrode [R_X], the other end of relay coil [2ZJ], diode [D₁₀] plus earth, an end of the normally-closed contact of relay [2ZJ] is connected with 220 volts of power supplys, the other end is connected with the normal-closed end of button [TA], another normal-closed end of button [TA] respectively with A.C. contactor [CJ₄] an end of normally opened contact, a Chang Kaiduan of button [QA] connects, another Chang Kaiduan of button [QA] and relay [1ZJ₁] an end of normally-closed contact connect, relay [1ZJ₁] the other end and the A.C. contactor actuating coil [CJ] of normally-closed contact in an end be connected, electric current relay [LJ₁] normally opened contact and relay [1ZJ₃] the normally opened contact parallel connection after be connected with an end of relay actuating coil [1ZJ], electric current relay [LJ₁] the other end be connected with 220 volts of power supplys, the other end ground connection of A.C. contactor actuating coil [CJ] and relay actuating coil [1ZJ], the green indicator lamp [LD of oil pump operation₁], the green indicator lamp [LD of field operation₂], the red indicator lamp [HD of electric field fault₁], the red indicator lamp [HD of water-level alarm₂] an end ground connection, the other end respectively with the air switch [ZK], the A.C. contactor [CJ that are connected with 220 volts of power supplys₃], relay [1ZJ₂]、[2ZJ ₂] connect the other end of electric current relay actuating coil [LJ] and A.C. contactor [CJ₁] an end connect, A.C. contactor [CJ₁] the other end be connected with 220 volts of power supplys, A.C. contactor [CJ₂] an end be connected with the common ground N utmost point, the other end is connected with the earth terminal of electronic voltage regulating circuit [74], an end of air switch [ZK] is connected with 380 volts of three phase mains, the other end is connected with motor [D].

3, magnetoelectricity type lubrication oil circulation oil filter according to claim 1 is characterized in that motor [13], magnetoelectricity filter [28], electric field filter [14] are located on the base [1].

4, magnetoelectricity type lubrication oil circulation oil filter according to claim 1 is characterized in that being provided with strainer [15] at the output terminal of oil pump [16].

5, magnetoelectricity type lubrication oil circulation oil filter according to claim 4 is characterized in that strainer [15] is located on the base [1].

6, according to claim 3,5 described magnetoelectricity type lubrication oil circulation oil filters, it is characterized in that being provided with castor [2] in the bottom of base [1].

7, magnetoelectricity type lubrication oil circulation oil filter according to claim 1 is characterized in that being provided with pressure gauge [21] on the output pipe of oil pump [16].

8, magnetoelectricity type lubrication oil circulation oil filter according to claim 1 is characterized in that being provided with oil deflector [51] in the bottom of the orifice plate [49] of electric field filter [14].

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