CN1150668C - Electronic permanent magnet driving device - Google Patents

Abstract

The present invention relates to an electronic permanent-magnet driving device which belongs to a drive device with a travel mechanism. The driving device is composed of a driven wheel (1), a support (2) and a switch circuit (3), wherein the driven wheel (1) is inlaid with permanent magnet blocks, the support (2) is inlaid with an electromagnet and a magnetic sensor, and the switch circuit (3) is used for changing the polarity of the electromagnet; the even number of permanent magnet blocks (4) are fixed on the circumference sides of the driven wheel (1) with equal intervals, at least one electromagnet (5) is fixed on the support (2) corresponding to the permanent magnet blocks (4) on the driven wheel (1), the magnetic sensor (6) is fixed on the support (2) near to the permanent magnets (4) and the electromagnet (5), and the magnetic sensor (6) and the electromagnet (5) are in electric connection with the switch circuit (3) for changing the electromagnetic polarity. Because canceling an electric motor and a mechanical speed-reduction mechanism, the present invention can reduce cost, an obstacle rate and useless power consumption. Therefore, the present invention has the advantages of simple structure, low cost and energy saving; in a word, the present invention is an electric driving device with environmental protection and energy saving.

Description

Electronic permanent magnet driving device

Technical field: the drive unit that the invention belongs to traveling mechanism.

Background technology: electrically driven (operated) mobile devices such as existing electric automobile and electric bicycle, all drive by mechanical reduction gear and travel by motor, reducing gear has increased difficulty of processing and cost, and it also will consume a part of electric energy, has reduced operating efficiency.

Summary of the invention: the present invention is a kind of electronic permanent magnet driving device of development, and this device has been cancelled motor and mechanical reduction gear, directly drives mobile devices by electromagnet and permanent magnet, and the drive unit cost is reduced, and useless power consumption reduces.The present invention by stud with being driven wheel 1, studding with the support 2 of electromagnet and Magnetic Sensor of permanent-magnet block, the switching circuit 3 that changes electromagnet polarity is formed.Even number permanent-magnet block 4 equally spaced is fixed on the surrounding that is driven wheel 1, at least one electromagnet 5 is fixed on and is driven on the permanent-magnet block 4 corresponding supports 2 of taking turns on 1, Magnetic Sensor 6 is fixed on the support 2 all close with electromagnet 5 with permanent magnet 4, and Magnetic Sensor 6 and electromagnet 5 are electrically connected with the switching circuit 3 that changes electromagnetism polarity.The present invention is owing to having cancelled motor and mechanical reduction gear, so its cost can reduce, the obstacle rate also can reduce, useless power consumption can reduce.So that the present invention has is simple in structure, cost is low, efficient is high, save the energy, it is a kind of electric driver of environmental protection and energy saving in a word.

Description of drawings: Fig. 1 is the overall structure schematic diagram of embodiment one, Fig. 2 is the A-A cutaway view of Fig. 1, Fig. 3 is the vertical view of Fig. 1, Fig. 4 is the overall structure schematic diagram in the embodiment two, Fig. 5 is the B-B cutaway view of Fig. 4, Fig. 6 is the electrical block diagram that changes the switching circuit 3 of electromagnet polarity in the embodiment one, Fig. 7 is the electrical block diagram that changes the switching circuit 3 of electromagnet polarity in the embodiment two, and Fig. 8 is the principle schematic that permanent magnet 4 and electromagnet 5 mutual polarity driven concern in the embodiment one.

Embodiment one: present embodiment by stud with being driven wheel 1, studding with the support 2 of electromagnet and Magnetic Sensor of permanent-magnet block, the switching circuit 3 that changes electromagnet polarity is formed.Even number permanent-magnet block 4 equally spaced is fixed on the surrounding that is driven wheel 1, per two adjacent permanent pieces 4 are that the heteropolarity adjacent structure is arranged in wheel 1 the same side, spacing between every adjacent two permanent-magnet blocks 4 is greater than the width that equals single permanent-magnet block or its diameter, electromagnet 5 adopts ∪ shape structure, the spacing of ∪ shape internal orifice is more than or equal to the diameter or the width of permanent-magnet block 4, the area of ∪ shape two arm end faces is greater than the area that equals permanent-magnet block 4, at least one electromagnet 5 is fixed on the support 2, and permanent-magnet block 4 is clipped in the middle of it.Reasonable mode be two symmetrical configuration electromagnet 5 at least one pair of be fixed on symmetrically on the support 2 that is driven wheel 1 front and back.Magnetic Sensor 6 is fixed on the support 2, and its position is in and permanent-magnet block 4 and all close mutually place of electromagnet 5.The switching circuit 3 that changes electromagnet polarity is made up of flip and flop generator 7, covert circuit 8.Flip and flop generator 7 is by five resistance R ₁-R ₅, capacitor C ₁, C ₂, C ₃, triode T ₁, T ₂, diode D ₁, D ₂, tongue tube electromagnetic sensor A ₁Form.Tongue tube electromagnetic sensor A ₁An end ground connection, A ₁Another termination C ₃An end, C ₃Another termination D ₁, D ₂Positive pole, D ₁, D ₂Negative pole meet T respectively ₁, T ₂Base stage, T ₁, T ₂Emitter all meet R ₃An end, R ₃Other end ground connection.T ₁Base stage and T ₂Collector electrode between be connected to C ₂With R ₄Parallel circuits, T ₂Base stage and T ₁Collector electrode between be connected to C ₁With R ₂Parallel circuits.T ₁, T ₂Collector electrode respectively through R ₁, R ₅Connect+E _CCovert circuit 8 is by resistance R ₆, R ₇, six triode T ₃-T ₈, electromagnet 5 coil B ₁Form.Coil B ₁Be connected T ₃And T ₄Collector electrode between, T ₃, T ₄Grounded emitter, T ₃Base stage meet T ₅Collector electrode, T ₅Base stage through R ₆Meet flip and flop generator T ₁Collector electrode, T ₅Emitter meet T ₆Base stage, T ₆Collector electrode meet T ₄Collector electrode, T ₄Base stage meet T ₇Collector electrode, T ₇Base stage through R ₇Meet flip and flop generator T ₂Collector electrode, T ₇Emitter meet T ₈Base stage, T ₈Collector electrode meet T ₃Collector electrode, T ₆, T ₃Emitter all connect+E _CIn the time of in permanent magnet 4-1,4-2 are in electromagnet 5 magnetic boots, the magnetic boots of electromagnet 5 produce the magnetic field with permanent magnet 4 same polarities, thereby repulsive permanent magnet 4 moves.When the magnetic boots of permanent magnet 4-2,4-3 and electromagnet 5 because of there is a natural attraction between the sexes, make it when this is in the magnetic boots of electromagnet 5 constantly, bistable trigger-action circuit 7 receives magnetic induction sensor spare A ₁Pulse signal and overturn, make the coil B of electromagnet 5 ₁Produce reverse current and form repulsion magnetic field, thereby this continuous variation repeatedly rotates the wheel 1 that is driven that is fixed with permanent-magnet block 4.Being driven wheel 1 rotation direction relies on and adjusts electromagnet 5 and be driven radially determining with axial angle and position of wheel 1 relatively.

Embodiment two: the difference of present embodiment and execution mode one is the structure of electromagnet 5 and the circuit structure that changes the switching circuit 3 of electromagnet polarity.Electromagnet 5 adopts the shapes, and at least one shape electromagnet 5 is fixed on the support 2, be driven stud with permanent-magnet block 4 on the wheel 1 edge clamping in the mouth of shape electromagnet 5.The switching circuit 3 that changes electromagnet polarity is made up of flip and flop generator 9, circuits for triggering 10, drive circuit 11.Flip and flop generator 9 is by five resistance R ₈-R ₁₂, capacitor C ₄, C ₅, triode T ₉, T ₁₀, diode D ₃, D ₄Form.D ₃, D ₄Negative pole meet R ₁₂An end, R ₁₂Other end ground connection, D ₃, D ₄Positive pole meet T respectively ₉, T ₁₀Base stage, T ₉, T ₁₀Emitter ground connection all.T ₉Collector electrode and T ₁₀Base stage between be connected to C ₄And R ₉Parallel circuits.T ₉Base stage and T ₁₀Collector electrode between be connected to C ₅And R ₁₁Parallel circuits, T ₉, T ₁₀Collector electrode respectively through R ₈, R ₁₀Connect+E _CCircuits for triggering 11 are by resistance R ₁₃, capacitor C ₆, triode T ₁₁, magneto sensor A ₂ Magnetic Sensor 5 form.A ₂Select SS100 series or SS40 serial model No. for use.C ₆A termination D ₃, D ₄Negative pole, C ₆Another termination T ₁₁Collector electrode, T ₁₁Grounded emitter, T ₁₁Base stage through R ₁₃Connect+E _C, magneto sensor A ₂2 end ground connection, A ₂1 termination+E _C, A ₂3 termination T ₁₁Base stage.Drive circuit 11 is by triode T ₁₂, T ₁₃, power supply+E _C,-E _C, electromagnet 5 coil B ₂Form.T ₁₂, T ₁₃Base stage meet flip and flop generator T ₁₀Collector electrode, T ₁₂Emitter connect-E _CNegative pole, T ₁₃Emitter connect+E _CPositive pole ,+E _CNegative pole and-E _CPlus earth.B ₂An end ground connection, B ₂Another termination T ₁₂And T ₁₃Collector electrode.Other composition is identical with embodiment one with annexation.

Claims (6)

1, electronic permanent magnet driving device, it is characterized in that it is driven wheel (1) by what stud with permanent-magnet block, stud with the support (2) of electromagnet and Magnetic Sensor, the switching circuit (3) that changes electromagnet polarity is formed, even number permanent-magnet block (4) equally spaced is fixed on the surrounding that is driven wheel (1), at least one electromagnet (5) is fixed on and is driven on the corresponding support of permanent-magnet block (4) (2) on the wheel (1), Magnetic Sensor (6) is fixed on the support (2) all close with electromagnet (5) with permanent magnet (4), and Magnetic Sensor (6) and electromagnet (5) are electrically connected with the switching circuit (3) that changes electromagnetism polarity.

2, electronic permanent magnet driving device according to claim 1, it is characterized in that per two adjacent permanent pieces (4) are that the heteropolarity adjacent structure is arranged in wheel (1) the same side, spacing between every adjacent two permanent-magnet blocks (4) is greater than the width that equals single permanent-magnet block (4) or its diameter, electromagnet (5) adopts ∪ shape structure, the spacing of ∪ shape internal orifice is more than or equal to the diameter or the width of permanent-magnet block (4), the area of ∪ shape two arm end faces is greater than the area that equals permanent-magnet block (4), at least one electromagnet (5) is fixed on the support (2), and permanent-magnet block (4) is clipped in the middle of it.

3, electronic permanent magnet driving device according to claim 1 and 2 is characterized in that the electromagnet (5) of two symmetrical configuration is fixed on the support (2) that is driven wheel (1) front and back symmetrically.

4, electronic permanent magnet driving device according to claim 1, it is characterized in that electromagnet (5) adopts the shape, at least one shape electromagnet (5) is fixed on the support (2), will be driven the edge clamping that studs with permanent-magnet block (4) on the wheel (1) in the mouth of shape electromagnet (5).

5, electronic permanent magnet driving device according to claim 1, the switching circuit (3) that it is characterized in that changing electromagnet polarity is made up of flip and flop generator (7), covert circuit (8), and flip and flop generator (7) is by five resistance R ₁-R ₅, capacitor C ₁, C ₂, C ₃, triode T ₁, T ₂, diode D ₁, D ₂, tongue tube electromagnetic sensor A ₁Form tongue tube electromagnetic sensor A ₁An end ground connection, A ₁Another termination C ₃An end, C ₃Another termination D ₁, D ₂Positive pole, D ₁, D ₂Negative pole meet T respectively ₁, T ₂Base stage, T ₁, T ₂Emitter all meet R ₃An end, R ₃Other end ground connection, T ₁Base stage and T ₂Collector electrode between be connected to C ₂With R ₄Parallel circuits, T ₂Base stage and T ₁Collector electrode between be connected to C ₁With R ₂Parallel circuits, T ₁, T ₂Collector electrode respectively through R ₁, R ₅Connect+Ec, covert circuit (8) is by resistance R ₆, R ₇, six triode T ₃-T ₈, electromagnet (5) coil B ₁Form coil B ₁Be connected T ₃And T ₄Collector electrode between, T ₃, T ₄Grounded emitter, T ₃Base stage meet T ₅Collector electrode, T ₅Base stage through R ₆Meet flip and flop generator T ₁Collector electrode, T ₅Emitter meet T ₆Base stage, T ₆Collector electrode meet T ₄Collector electrode, T ₄Base stage meet T ₇Collector electrode, T ₇Base stage through R ₇Meet flip and flop generator T ₂Collector electrode, T ₇Emitter meet T ₈Base stage, T ₈Collector electrode meet T ₃Collector electrode, T ₆, T ₈Emitter all connect+Ec.

6, electronic permanent magnet driving device according to claim 1, the switching circuit (3) that it is characterized in that changing electromagnet polarity is made up of flip and flop generator (9), circuits for triggering (10), drive circuit (11), and flip and flop generator (9) is by five resistance R ₈-R ₁₂, capacitor C ₄, C ₅, triode T ₉, T ₁₀, diode D ₃, D ₄Form D ₃, D ₄Negative pole meet R ₁₂An end, R ₁₂Other end ground connection, D ₃, D ₄Positive pole meet T respectively ₉, T ₁₀Base stage, T ₉, T ₁₀Emitter ground connection all, T ₉Collector electrode and T ₁₀Base stage between be connected to C ₄And R ₉Parallel circuits, T ₉Base stage and T ₁₀Collector electrode between be connected to C ₅And R ₁₁Parallel circuits, T ₉, T ₁₀Collector electrode respectively through R ₈, R ₁₀Connect+E _C, circuits for triggering (11) are by resistance R ₁₃, capacitor C ₆, triode T ₁₁, magneto sensor A ₂Magnetic Sensor (5) form C ₆A termination D ₃, D ₄Negative pole, C ₆Another termination T ₁₁Collector electrode, T ₁₁Grounded emitter, T ₁₁Base stage through R ₁₃Connect+E _C, magneto sensor A ₂2 end ground connection, A ₂1 termination+E _C, A ₂3 termination T ₁₁Base stage, drive circuit (11) is by triode T ₁₂, T ₁₃, power supply+E _C,-E _C, electromagnet (5) coil B ₂Form T ₁₂, T ₁₃Base stage meet flip and flop generator T ₁₀Collector electrode, T ₁₂Emitter connect-E _CNegative pole, T ₁₃Emitter connect+E _CPositive pole ,+E _CNegative pole and-E _CPlus earth, B ₂An end ground connection, B ₂Another termination T ₁₂And T ₁₃Collector electrode.

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