CN103269141A - U-shaped electronic control magnetic motor - Google Patents
U-shaped electronic control magnetic motor Download PDFInfo
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- CN103269141A CN103269141A CN2013102361137A CN201310236113A CN103269141A CN 103269141 A CN103269141 A CN 103269141A CN 2013102361137 A CN2013102361137 A CN 2013102361137A CN 201310236113 A CN201310236113 A CN 201310236113A CN 103269141 A CN103269141 A CN 103269141A
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Abstract
The invention relates to a U-shaped electronic control magnetic motor belonging to the field of permanent magnet energy development. The U-shaped electronic control magnetic motor mainly consists of a permeability magnetic material case, a front end cover, a rear end cover, a main shaft, a position detection circuit board, a shielding plate, a U-shaped stator, a salient pole type rotor, a bearing, an inner bearing pressure cover and an outer bearing pressure cover, wherein the U-shaped stator consists of a permeability magnetic material, an electromagnetic coil and a permanent magnet; a stator core and an inner circle wall of the case are connected by bolts; the salient pole type rotor is in keying connection with the main shaft; and a trough-type optocoupler of the sensor is mounted on the position detection circuit board on the outer side of the rear end cover of the main shaft. According to a three-phase winding, the stator coil is controlled by a controller and acts on the permeability magnetic salient pole to drive the rotor to rotate, so that the permanent magnet energy can be effectively converted with less power consumption.
Description
Technical field
The invention belongs to permanent magnetism energy development field, be specifically related to the U-shaped Electrocontrolled magnetomotive machine that permanent magnetism can utilize.
Background technology
Fossil such as oil, coal fossil fuel provide the commercial energy in the world 91%.Wherein coal accounts for 28%, and oil accounts for 40%; Yet the reserves of fossil fuel are limited on the earth, because human unconfined exploitation moves towards exhausted just rapidly.According to statistics, to burn 2,500,000,000 tons of oil of 4,000,000,000 tons of coals human every year; And with annual 3% speed increment.Go down like this, scientists estimates that tellurian coal also can be kept two, 300 years, and oil has just had only the consumption in five, 60 years, and excessive exploitation and do not add these fossil energies of consumption of restriction, has also brought extremely serious negative effect.As bring out a series of problems such as global greenhouse effect, haze, arid, big flood, acid rain, polluted human environment of depending on for existence greatly.Therefore, seek novel alternative energy source, solving future world energy demand problem has become the cardinal task that human society faces.
Current, the human hope of alternative fossil energy is placed on developed solar energy, nuclear energy and Hydrogen Energy.And replenish as the part with other new forms of energy such as wind energy, biological energy source, oceanic energys, but people have ignored better, potential, huge and a highdensity energy, and that is exactly the permanent magnetism energy.Though people have recognized that permanent magnet itself exists powerful potential energy, and are well used at magneto,, can do new forms of energy to permanent magnetism and be researched and developed utilization, worldwide also do not cause enough attention.The annual production of full Shi circle Nd iron boron can reach 150,000 tons, and the ferrite annual production is abundant, can satisfy the demand that permanent magnetism can conversion equipment, the permanent magnet use of can magnetizing repeatedly.Therefore, permanent magnetism can possess the primary advantage of replace bulky fossil energy.Current major subjects be find out utilize permanent magnetism can method and the design of science.
The electromagnet that people know, 01 is permanent magnet shown in figure A, the 02nd, armature, the 03rd, U-shaped permeability magnetic material, the 04th, solenoid.The inboard permanent magnet 01 of placing at U-shaped electromagnet the two poles of the earth; With solenoid 04 is logical go up direct current after, the N utmost point of the N utmost point that produces and the S utmost point and permanent magnet 01 and S utmost point same polarity act on armature 02 after superposeing, the armature 02 that makes it to have air gap moves upward; This phenomenon proves that the permanent magnetism energy magnetic line of force and U-shaped electromagnet produce magnetic line of force acting in conjunction in armature 02 acting.Proved that permanent magnet permanent magnetism can bring into play effect.
When electromagnet solenoid 04 cuts off the power supply moment, the permanent magnet 01N utmost point magnetic line of force is got back to extremely back conductively-closed (short circuit) of permanent magnet 01S by the inner permeability magnetic material of solenoid, this moment, permanent magnet 01 did not externally show magnetic, simultaneously permanent magnet 01 magnetic force line cutting solenoid 04; Make the solenoid two ends have certain electromotive force, by control circuit this electric energy is fed back to electrical network or storage battery deposit.This phenomenon proves that permanent magnet 01 can only be shielded (short circuit) by permeability magnetic material, does not externally show magnetic.Also has the function that the cutting electromagnet coil produces electromotive force simultaneously.
Above-mentioned phenomenon shows, carry out based on permanent magnetism can U-shaped Electrocontrolled magnetomotive machine research, can realize small amount of electrical energy consumption exploitation permanent magnetism can target.
Summary of the invention
The object of the present invention is to provide a kind of U-shaped Electrocontrolled magnetomotive machine with electric energy exploitation permanent magnetism energy.Realize that it is main that permanent magnetism can do work, the electric energy acting is auxilliary, the purpose that control circuit is as the criterion.
The present invention is by good permeability magnetic material casing 1, front end housing 2, rear end cap 3, main shaft 4, rotor 5, U-shaped stator 6, stator coil 7, permanent magnet 8, bolt 9, bolt 10, bolt 11, bearing 12, the outer door 13 of bearing, door 14 in the bearing, block dish 15, position detecting circuit plate 16, terminal box 17, position signalling terminal box 18, controller 19, positioning key 20, bearing 21, light-shield cover 22, oil filler point 23, oil sealing 24, oil sealing 25, transducer grooved light lotus root 26, location hole 27, semicircle orifice 28, axis hole 29, keyway 30, block along 31, recess hole 32, guard 06, fan blade 07 critical piece such as grade is formed.As shown in Figure 2, wherein permanent magnet 8 is arranged on the U-shaped stator 6 iron core working electromagnet utmost point N utmost points and S extremely in the inboard, and with working electromagnet utmost point tight fit inside.As shown in figure 12; controller 19 of the present invention is by electric capacity charging control circuit, circuit supply power supply, main power source current rectifying and wave filtering circuit, main power asymmetrical half-bridge IGBT circuit, Hall current sensor circuit, current feedback interface circuit, power switch driver circuit, protective circuit, display circuit, operation input circuit, DSP (TMS320LF2407) processor, RS-232 serial interface circuit, with compositions such as host computer swap data circuit, position detecting circuit.
Described rotor 5 has ten equal portions salient poles, and recess hole 32 concentric circles angles are 24 degree between salient pole and the salient pole, and salient pole concentric circles angle is 12 degree.Described U-shaped stator 6 has 12 equal portions salient poles and corresponding six groups of stator coils 7 that arrange on it.Wherein stator coil 7 is wrapped in respectively on the horizontal magnetic conduction pole of U-shaped stator 6 electromagnet.
Described permanent magnet 8 can series, parallel or connection in series-parallel be arranged at the U-shaped stator 6 work magnetic pole N utmost points and S extremely in the inboard, make permanent magnetism reasonably to bring into play.
The number of phases of U-shaped stator coil 7 of the present invention is A, B, C three-phase; Two groups of coils of every phase can be connected in series, and also can be connected in parallel.
Preferable, also comprise: position detection unit and position detecting circuit plate 16 in order to determine stator and the rotor relative position in the described U-shaped Electrocontrolled magnetomotive machine basic machine, produce a relative position signal and give described controller 19.
Wherein, as shown in Figure 1, described position detection unit comprises:
One transducer carrying position detecting circuit plate 16, it is arranged on described U-shaped Electrocontrolled magnetomotive machine rear end cap 3 outsides, is fixed with plural groups transducer grooved light lotus root on the described transducer carrying position detecting circuit plate 16.
One blocks dish 15 as shown in Figure 1, it is fixedly installed on the outside that reaches described armature spindle rear end cap 3 on the described U-shaped Electrocontrolled magnetomotive machine main shaft 4, described dish 15 edges that block have blocking along 31 of an annular, be laid with a plurality of slotted eyes described blocking along 31, wherein, described blocking along 31 is arranged in described sensing tank.Position detecting circuit plate 16 axially has one group of positioning and fixing hole 27, and the U-shaped Electrocontrolled magnetomotive machine number of phases is three-phase, and grooved light lotus root is with three.This circuit board 16 is fixed with described rear end cap 3 outer walls.
Preferable, described transducer grooved light lotus root is three, the angle that is connected with the center of circle between it is 60 degree.
Preferable, the extremely inboard permanent magnet 8 of placing of the U-shaped stator 6 work of electromagnet magnetic pole N utmost points of described U-shaped Electrocontrolled magnetomotive machine and S, as shown in Figure 3; And the working electromagnet utmost point N utmost point is extremely corresponding with permanent magnet N, and the working electromagnet utmost point S utmost point is extremely corresponding with permanent magnet 8S.
Preferable, the described external diameter that blocks dish 15 is littler than described rotor 5 external diameters, and the described dish 15 that blocks is along being evenly equipped with ten recess holes 32 on the circumference and ten protrusions block along 31; Wherein said dish 15 protrusions that block block along 31 corresponding with 50 salient poles of described rotor respectively.And blocking along 31 center of circle angles is 12 degree, and recess hole 32 center of circle angles are 24 degree.
Preferable, grooved light lotus root or hall device are set in the described sensing tank reach corresponding with it permanent magnet.
Beneficial effect of the present invention is compared with the prior art: electromechanical integration, simple in structure, cost is low, each works alone mutually, control system reliability height, main power circuit is simple and reliable, the starting torque height, starting current is little, controllable parameter is many, good speed adjustment features is applicable to Fraquent start, stops and the rotating operation, the efficient height, and the loss electric energy is minimum in speed regulation process.The solenoid instant cut-off, permanent magnet magnetic force line cutting solenoid, the solenoid two ends produce induced electromotive force, by the energy back circuit, its energy back are arrived electrical network or storage battery deposit; Permanent magnetism can be done work fully.It is main having demonstrated fully that permanent magnetism can do work, and the electric energy acting is auxilliary, the purpose that circuit control is as the criterion.
In sum, the principle followed of U-shaped Electrocontrolled magnetomotive machine is: input permanent magnetism can add that the input electric energy equals output mechanical energy.This principle is the conclusion that I draw by the several experimental check.
Preferable, described U-shaped Electrocontrolled magnetomotive machine, following seven methods of the utilization of science:
(1) follow conservation of energy principle, its expression formula: the input electric energy adds that input permanent magnetism can equal output mechanical energy.
(2) utilize electromagnetic field and permanent magnetic field same polarity principle of stacking.
(3) utilize control circuit control electromagnet, make it permanent magnet permanent magnetism and can shield (short circuit) or discharge the permanent magnetism energy.
(4) utilize that magnetic circuit is the shortest, the magnetic resistance minimum principle.
(5) utilize good permeability magnetic material casing (shell), give full play to electric energy and permanent magnetism and can do work.
(6) utilize the rotor hop count more than or equal to 1 odevity, the stator salient poles number equals 1.2 than upper rotor part salient pole number, science combination rotor salient pole number, and rotor space structure.
(7) U-shaped stator core casing is with the good metal material of magnetic conduction.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the basic machine of the U-shaped Electrocontrolled magnetomotive machine of the present invention
Fig. 2 is the rotor sectional structure schematic diagram of the U-shaped Electrocontrolled magnetomotive machine of the present invention
Fig. 3 is the U-shaped stator electromagnetic pole of the present invention and permanent magnet organigram
Fig. 4 is the rotor structure schematic diagram of the U-shaped Electrocontrolled magnetomotive machine of the present invention
Fig. 5 is the front view of the U-shaped Electrocontrolled magnetomotive machine transducer of the present invention carrier position detecting circuit plate
Fig. 6 for the A-A of the U-shaped Electrocontrolled magnetomotive machine transducer of the present invention carrier testing circuit plate to cutaway view
Fig. 7 is for installing the circuit theory diagrams of grooved light lotus root in the U-shaped Electrocontrolled magnetomotive machine transducer of the present invention carrier position detecting circuit plate
Fig. 8 blocks the dish front view for the U-shaped Electrocontrolled magnetomotive machine of the present invention
Fig. 9 is for installing the circuit theory diagrams of Hall subassembly in the U-shaped Electrocontrolled magnetomotive machine transducer of the present invention carrier position detecting circuit plate
Figure 10 blocks dish B-B to cutaway view for the U-shaped Electrocontrolled magnetomotive machine of the present invention
Figure 11 is for the U-shaped Electrocontrolled magnetomotive machine position probing of the present invention plate and block dish installation site structural representation
Figure 12 is the U-shaped Electrocontrolled magnetomotive machine general function of the present invention block diagram
Figure A is the U-shaped electromagnet of the U-shaped Electrocontrolled magnetomotive machine of the present invention and permanent magnet demonstration schematic diagram
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
U-shaped Electrocontrolled magnetomotive machine of the present invention comprises:
One magnetic motivation basic machine, and the automatically controlled part of magnetic motivation; Wherein said magnetic motivation basic machine is all parts of described U-shaped Electrocontrolled magnetomotive machine machinery, in order to realize the power output of magnetic motivation; The described magnetic motivation collecting of electrical controls is in order to realize the power output control to magnetic motivation basic machine.As start, just change, counter-rotating, speed governing and stop; Comprise that also realization monitors the security of operation of U-shaped Electrocontrolled magnetomotive machine.
See also shown in Figure 1, the sectional structure schematic diagram of the basic machine of the U-shaped Electrocontrolled magnetomotive machine of its present invention.Described U-shaped Electrocontrolled magnetomotive machine basic machine agent structure comprises; Good permeability magnetic material casing 1 and the front end housing 2, the rear end cap 3 that are arranged on the good permeability magnetic material casing of described magnetic motivation 1 both sides are in order to form the internal work space of a magnetic motivation; Uniform on the inwall of described casing 1 fixed stator bolt hole on U-shaped stator 6 and casing 1 wall is set.
Described U-shaped stator 6 has 12 salient poles, i.e. six pairs of U-shaped electromagnet.And correspondence is provided with six groups of stator coils 7 on it.
Described U-shaped Electrocontrolled magnetomotive machine has three-phase A, B, C; The A phase winding is made up of relative mutual deviation 180 degree of U-shaped stator 6 electromagnet two windings, and two windings can be connected in series and also can be connected in parallel, and its two ends lead-in wire is received on terminal box 17 internal terminals; The B phase winding is made up of relative mutual deviation 180 degree of U-shaped stator 6 electromagnet two windings, and two windings can be connected in series and also can be connected in parallel, and its two ends lead-in wire is received on terminal box 17 internal terminals.The C phase winding is made up of relative mutual deviation 180 degree of U-shaped stator 6 electromagnet two windings, and two windings can be connected in series and also can be connected in parallel.Described permanent magnet 8 is arranged on the U-shaped stator 6 electromagnet lower end electromagnetism N utmost points and S is extremely inboard, and the permanent magnet 8N utmost point is extremely corresponding with U-shaped stator 6 electromagnet N, and the permanent magnet 8S utmost point is extremely corresponding with U-shaped stator 6 electromagnet S.Described U-shaped stator 6 upper ends two poles are fixing with bolt 9 with good permeability magnetic material casing 1 inner circumferential side.
Central authorities at described U-shaped Electrocontrolled magnetomotive machine basic machine arrange rotor 5, and described rotor 5 has ten salient poles and ten grooves.Rotor 5 is realized fixedlying connected of rotor 5 and main shaft 4 by the form of a main shaft 4 with positioning key 20.Be provided with bearing 12,21 between described U-shaped Electrocontrolled magnetomotive machine front end housing 2, rear end cap 3 and the described main shaft 4; What end bearing 12 adopted before the described front end housing 2 is cylindrical bearing; In order to bearing bigger moment of torsion, what described rear end cap 3 rear end bearings 21 adopted is round bead bear, between described bearing 12,21 the outside and the main shaft 4 oil sealing 24,25 is set, and enters in order to prevent leakage of oil, dust.It is emphasized that the present invention also comprises: a position detecting circuit plate 16 coils 15 with blocking, and in order to determine U-shaped stator 6 and rotor 5 relative positions in the described U-shaped Electrocontrolled magnetomotive machine basic machine, produces a relative position signal and gives described controller 19.Wherein position signalling line and three-phase A, B, C winding connection end are placed on respectively in terminal box 18 and 17.
Described position detecting circuit plate 16 comprises:
One transducer bearer circuit plate 16, it is arranged on described rear end cap 3 outsides, is installed with plural groups transducer grooved light lotus root 26 on the described transducer carrier circuit board 16.
One blocks dish 15, and it is fixedly installed on the described main shaft 4 and described rear end cap 3 stretches out on axle head one side, and described dish 15 edges that block have blocking along 31 of an annular, uniformly on blocking along 31 is provided with a plurality of convex-concave slotted eyes described.Wherein said blocking along 31 is arranged in described transducer grooved light lotus root 26, and to block dish recess hole 32 width are protruding blocking along 2 times of 31 width; Be protruding block along 31 width center of circle angles be 12 the degree, recess hole 32 width center of circle angles be 24 the degree.
See also Fig. 5 and shown in Figure 6, it is respectively the front view of the U-shaped Electrocontrolled magnetomotive machine transducer of the present invention carrier position detecting circuit plate and A-A to cutaway view.Described transducer carrier circuit board 16 is the semicircle plate-like, and its axial edge is provided with location hole 27, and it also can be a plurality of that the quantity of location hole 27 is four, and present embodiment is example with four location holes 27.Described location hole 27 becomes 40 degree central angles to arrange at described transducer carrier circuit board 16 plate faces; Be provided with semicircle orifice 28 in the middle of the described transducer carrier circuit board 16, in order to pass described main shaft 4; Be arranged with three transducer grooved light lotus roots 26 on the position detecting circuit plate 16 plate faces, wherein center of circle angle is 60 degree between the adjacent transducer grooved light lotus root 26.Installing is light lotus root or Hall subassembly in the described transducer carrier position detecting circuit plate 16, wherein if be equiped with grooved light lotus root, then the side of described transducer grooved light lotus root 26 is equiped with light-emitting diode, the opposite side of described transducer grooved light lotus root 26 is equiped with the photistor element (see also shown in Figure 7, that the circuit theory diagrams of grooved light lotus root are installed in the U-shaped Electrocontrolled magnetomotive machine carrier of its present invention position detecting circuit plate) of reception.If what arrange is Hall subassembly, a side of described transducer is equiped with Hall chip element H
1, H
2, H
3Described blocking along a side of shield portions on 31 is provided with permanent magnet 8, this moment described transducer carrier position detecting circuit plate 16 side is only arranged is (see also shown in Figure 9, it is for installing the circuit theory diagrams of Hall element in the U-shaped Electrocontrolled magnetomotive machine transducer of the present invention carrier position detecting circuit plate) that purposes is arranged.
See also Fig. 8 and shown in Figure 10, it is respectively the U-shaped Electrocontrolled magnetomotive machine of the present invention and blocks dish front view and B-B to cutaway view.The described dish 15 that blocks is for discoid, its external diameter is less than the external diameter of described rotor 5, an axis hole 29 wherein is set, offer keyway 30 at described axis hole 29, in order to realizing by key and being connected of described main shaft 4, thereby guarantee that the described dish 15 that blocks realizes rotation synchronously with described rotor 5.The described dish 15 that blocks has a step, and described step is realized axial location in order to be resisted against on the described rotor main shaft 4; The described dish 15 that blocks blocks along 31 through between described transducer grooved light lotus root 26 installing the convex tooth, when blocking dish 15 and rotating with described rotor 5, described blocking along 31 has ten recess holes 32 uniformly at intervals and has ten convex teeth to block along 31 uniformly at intervals described blocking on dish 15 circumference described.But described recess hole 32 center of circle angles that block on dish 15 circumference are that convex blocks along 2 times of 31 center of circle angles.Be the convex tooth block along 31 center of circle angles be 12 the degree, then recess hole 32 center of circle angles be 24 the degree; Described recess hole 32 blocks along 31 uniformly at intervals with the convex tooth.Because the described relative position relation that blocks between dish 15 and the described rotor 5 is fixed, so recess hole 32, block along 31 setting regulation is also arranged.It is corresponding with 50 salient poles of described rotor to be that described ten convexs block along 31.It is therefore described that to block along 31 be 24 to spend with the angle of circumference that blocks the recess hole 32 that forms between 31; Thereby in rotor 5 rotation processes, make because the described recess hole 32 and the alternately arrangement of blocking along 31 that blocks on the dish 15, thereby described smooth lotus root conducting is turn-offed produce the pulse position signal, or described Hall chip obtains the described magnetic field generation position signalling that blocks along 31 magnet that is positioned at, thereby it is transferred to described U-shaped Electrocontrolled magnetomotive machine control section, controls with its rotation to U-shaped Electrocontrolled magnetomotive machine.
Operation principle of the present invention
See also shown in Figure 12ly, it is for the general function block diagram of the U-shaped Electrocontrolled magnetomotive machine of the present invention.In order to set forth in the whole work running of the present invention, the cooperating operation process between described U-shaped Electrocontrolled magnetomotive machine basic machine part and the controller is as follows in conjunction with this figure:
At first close a floodgate and send electricity (three-phase alternating-current supply or battery feed), the circuit supply power supply is supplied with other circuit with output dc voltage, this moment, dsp processor automatically reset, send enabled instruction by the operation input circuit, three main contacts closures of the main A.C. contactor of control circuit, the main power source current rectifying and wave filtering circuit gets, and under the effect of electric capacity charging control circuit, direct voltage charges to electrolytic capacitor filter by current-limiting charge resistance, when no piezoelectric voltage reaches rated direct voltage 75%, three main contacts closures in parallel of the main A.C. contactor of DC side are supplied with main power device IGBT circuit working and are used.
When sending, described operation input circuit just changes when instruction, dsp processor is just being changeed instruction, and detect stator, rotor relative position signal by being arranged at U-shaped Electrocontrolled magnetomotive machine basic machine interior lights position detecting circuit plate 16, this position signalling is delivered to the input of dsp processor appointment by the position feedback interface circuit, and logic control signal is just being changeed in DSP output simultaneously; This control signal outputs to power switch driver circuit by designing program in advance, isolate amplifying signal through power switch driver circuit and drive main power IGBT circuit, main power IGBT circuit adopts asymmetrical half-bridge formula circuit, every mutually U-shaped Electrocontrolled magnetomotive machine solenoid is connected with main power IGBT pipe up and down, this moment, relevant each phase winding solenoid got, under logic control signal and PWM effect, this U-shaped Electrocontrolled magnetomotive machine is just being transported row, it is just transporting the line speed speed, can deliver to dsp processor speed governing receiving port by operation input circuit speed-regulating potentiometer output simulation speed-regulating instruction (voltage swing), after the instruction of dsp processor inbound pacing, control its output pwm signal; Make it reach the speed governing purpose.The position feedback interface circuit is exported one road pulse signal to dsp processor one interface end simultaneously, and dsp processor delivery outlet two paths of signals is given display circuit, demonstrates the highest order 4-digit number, i.e. how many commentaries on classics of per minute.
When the operation input circuit sent halt instruction, dsp processor was delivered in operation input circuit output halt instruction.Dsp processor turn-offs pwm signal, U-shaped Electrocontrolled magnetomotive machine is out of service, this moment is if will there be braking function to have only a phase winding solenoid energising job, its electric current is rated current 80%, this machine is in braking (brake) state, the braking moment size, can adjust control by operation input circuit potentiometer, its control braking moment size principle is this conducting phase control signal pwm pulse width of control, making its electric current from 0---80% load current value, pwm pulse width are to detect output current signal by this conducting phase Hall current sensor to export to dsp processor by the current feedback interface circuit.This processor comprises software design protection value (current value).
Hardware designs protection value, dsp processor are exported the control signal pwm pulse under current signal and the effect of indoor design program, adjust this braking (brake) phase winding solenoid current size, thereby reach the control of braking (brake) moment size.
When operation input circuit output counter-rotating instruction, dsp processor obtains the counter-rotating instruction, and detect stator by being arranged at U-shaped Electrocontrolled magnetomotive machine basic machine interior lights position detecting circuit plate 16, rotor relative position signal, this signal is by dsp processor commutation output reverse logic control signal, this signal outputs to power switch driver circuit by designing program in advance, isolate amplifying signal through power switch driver circuit and drive main power IGBT circuit, main power IGBT circuit adopts asymmetrical half-bridge formula circuit, every mutually U-shaped Electrocontrolled magnetomotive machine solenoid is connected with main power IGBT pipe up and down, this moment, relevant each phase winding solenoid got, under control signal PWM effect, this U-shaped Electrocontrolled magnetomotive machine counter-rotating operation.Its counter-rotating speed of service speed can be simulated after speed-regulating instruction (voltage swing) delivers to dsp processor and receive speed command by the output of operation input circuit speed-regulating potentiometer, controls its output pwm signal, makes it reach the speed governing purpose.The position feedback interface circuit is exported two road pulse signals and is given display circuit simultaneously, demonstrates the highest 4-digit number, i.e. how many commentaries on classics of per minute.
Protective circuit output overvoltage signal is given dsp processor when main power source current rectifying and wave filtering circuit output dc voltage is higher than 1.2 times of rated direct voltages; dsp processor turn-offs the output of control signal pwm pulse simultaneously; protective circuit output overvoltage signal is given control relay circuit; make the control relay circuit action; cut off main ac contactor coil power supply, reach the overvoltage protection purpose.When the main power source current rectifying and wave filtering circuit, when interchange input three-phase mains voltage was too high, the piezo-resistance protection made circuit breaker or air switch tripping operation outage.
When three-phase commutation bridge excess temperature, magnetic motivation internal electromagnetic coil excess temperature, IGBT power model excess temperature, electrolytic capacitor filter excess temperature, four temperature sensor difference output voltage signals, give dsp processor temperature detection end, dsp processor is closed pwm pulse signal immediately, and display circuit demonstrates each several part excess temperature information.
When changing the dsp processor relevant parameter, carry out communication by serial interface circuit and dsp processor, can revise relevant parameter.
In addition, main power IGBT circuit has six energy back diodes, after the outage of certain phase winding solenoid, self induction electromotive force by this mutually two energy back diodes and this mutually solenoid form the energy feedback loop, reach the energy back purpose to electrolytic capacitor filter or charge in batteries.
The above only is preferred embodiment of the present invention; only be illustrative for the purpose of the present invention; and it is non-limiting; those skilled in the art is understood; in the spirit and scope that claim of the present invention limits, can carry out many changes, modification to it; even equivalence, but all will fall within the scope of protection of the present invention.
Claims (4)
1. a U-shaped Electrocontrolled magnetomotive machine is characterized in that by good permeability magnetic material casing 1, front end housing 2, rear end cap 3, main shaft 4, rotor 5, U-shaped stator 6, stator coil 7, permanent magnet 8, bolt 9, bolt 10, bolt 11, bearing 12, the outer door 13 of bearing, door 14 in the bearing, block dish 15, position detecting circuit plate 16, terminal box 17, position signalling terminal box 18, controller 19, positioning key 20, bearing 21, light-shield cover 22, oil filler point 23, oil sealing 24, oil sealing 25, transducer grooved light lotus root 26, location hole 27, semicircle orifice 28, axis hole 29, keyway 30, block along 31, recess hole 32, guard 06, fan blade 07 critical piece such as grade is formed.Wherein a U-shaped magnetic conduction magnetic circuit is fixed and formed in 6 two magnetic conduction pole upper ends of U-shaped stator with good permeability magnetic material casing 1 inwall by bolt 9 bolts.Described rotor 5 is arranged on the main shaft 4; And rotor 5 is tightly fixed by positioning key 20 and main shaft 4.Described main shaft 4 is connected with front end housing 2, the rear end cap 3 at the good permeability magnetic material casing of described magnetic motivation 1 two ends by bearing 12, bearing 21.Be provided with oil sealing 24, oil sealing 25 in the outer end of described bearing 12, bearing 21; Described front end housing 2, rear end cap 3 are fixed by bolt 10 bolts with casing 1 two ends; Outer door 13 front end housings of described bearing 2 bearings 12 are solid by interior door 14 bolts of bolt 11 and bearing.Described position detecting circuit plate 16 is fixed on rear end cap 3 and main shaft 4 concentric circless.Described dish 15 and the main shaft 4 of blocking is by positioning key 20 tight fits, and its position is located at rear end cap 3 outsides, and with light-shield cover 22 with position detecting circuit plate 16, block and coil 15 and protect.Described light-shield cover 22 is fixed on rear end cap 3 outsides.The position signalling line is arranged on the binding post of terminal box 18.It is characterized in that described rotor 5 has ten salient poles and ten grooves, salient pole equates with salient pole concentric circles angle, salient pole equates with salient pole working face arc length, and groove concentric circles angle is 2 times of salient pole concentric circles angles, and namely groove concentric circles angle is 24 degree, and salient pole concentric circles angle is 12 degree.Described U-shaped stator 6 has six groups of winding stator coils 7 that equate six pairs of U-shaped electromagnet of magnetic pole and corresponding setting on it; And permanent magnet 8 is arranged on the U-shaped stator 6U type work of electromagnet magnetic pole post N utmost point and S extremely in the inboard, and the N utmost point of permanent magnet 8 and the S utmost point work magnetic pole N utmost point and the S utmost point with U-shaped stator 6 electromagnet respectively are corresponding one by one, i.e. the homopolarity correspondence.Described stator coil 7 is arranged at U-shaped stator 6 near on the good permeability magnetic material casing 1 inwall two magnetic conduction poles.Winding leads is arranged on the binding post of terminal box 17.
2. U-shaped Electrocontrolled magnetomotive machine according to claim 1, the number of phases that it is characterized in that described U-shaped stator 6 is more than or equal to 3 odevity.The described U-shaped stator 6 work of electromagnet utmost point N utmost points and S utmost point angle on concentric circles equates, and be 2 times of angles on the single electromagnetic pole N utmost point or the single electromagnetic pole S utmost point concentric circles at angle on the concentric circles between each U-shaped electromagnet N utmost point and the S utmost point, be that angle is 24 degree between each U-shaped stator 6 work of electromagnet electromagnetic pole N utmost point and the S utmost point, the single U-shaped electromagnet N utmost point or S utmost point concentric circles angle are 12 degree, the concentric circles angle is 12 degree between each U-shaped stator 6 adjacent electromagnet, described U-shaped stator 6 work of electromagnet pole-faces are arcs, and rotor 5 salient pole working faces are arcs.Described permanent magnet 8 is arranged in parallel in the U-shaped stator 6 work magnetic pole N utmost points and S extremely between the inboard.
3. U-shaped Electrocontrolled magnetomotive machine according to claim 1 is characterized in that also comprising:
One position detecting circuit plate 16 coils 15 with blocking, and in order to determine stator and the rotor relative position in the described U-shaped Electrocontrolled magnetomotive machine basic machine, produces a relative position signal and gives described U-shaped Electrocontrolled magnetomotive machine controller 19.Described transducer carrier position detecting circuit plate 16, it is arranged on U-shaped Electrocontrolled magnetomotive machine rear end cap 3 outsides.Be fixed with plural groups transducer grooved light lotus root on the described transducer carrier testing circuit plate 16.On the described sensing station testing circuit plate 16 three of grooved light lotus roots are arranged, the angle with circle center line connecting between it is 60 degree.
One blocks dish 15, and it is fixedly installed on described U-shaped Electrocontrolled magnetomotive machine rear end cap 3 main shafts 4 and stretches out distolaterally, and cooperates with positioning key 20 and to fix.Described dish 15 edges that block have ten salient poles and ten recess holes 32, and recess hole 32 width are that salient pole blocks along 2 times of 31 width, and it is respectively 24 degree and 12 degree that recess hole 32 and salient pole block along 31 concentric circles angles, and convex-concave is uniformly at intervals on same circumference.Wherein said blocking along 31 salient poles is arranged in described transducer grooved light lotus root.
4. U-shaped Electrocontrolled magnetomotive machine according to claim 1, its characteristics have seven:
(1) follow conservation of energy principle, its expression formula: the input electric energy adds that input permanent magnetism can equal output mechanical energy.
(2) utilize electromagnetic field and permanent magnetic field same polarity principle of stacking.
(3) utilize control circuit control electromagnet, make it permanent magnet permanent magnetism and can shield (short circuit) or discharge the permanent magnetism energy.
(4) utilize that magnetic circuit is the shortest, the magnetic resistance minimum principle.
(5) utilize good permeability magnetic material casing (shell), give full play to electric energy and permanent magnetism and can do work.
(6) utilize the rotor hop count to equal 1, stator salient poles equals 1.2 than upper rotor part salient pole, science combination rotor salient pole number, and rotor space structure.
(7) U-shaped stator core casing is with the good metal material of magnetic conduction.
Above-mentioned seven is the claimed contents of U-shaped Electrocontrolled magnetomotive machine of the present invention; , any reference, roughly the same copy and all be considered as abuse all in the claimed scope of the present invention in its basic improvement, modification, equivalence, the obligee keeps all rights of calling to account.
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| CN104935095A (en) * | 2015-06-15 | 2015-09-23 | 西安交通大学 | A U-shaped Stator Hybrid Excitation Switched Reluctance Motor |
| CN105226894A (en) * | 2015-10-30 | 2016-01-06 | 赵明珍 | U-shaped stator permanent magnet switched reluctance machines |
| GB2529416A (en) * | 2014-08-19 | 2016-02-24 | Georgi Yankov Georgiev | Multiphase brushless AC generator and method |
| CN106401507A (en) * | 2016-11-11 | 2017-02-15 | 西安石油大学 | Magnetic rotating oil well pipe wrench and control system thereof |
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| CN103269141B (en) | 2015-11-25 |
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