CN2321163Y - Silicon-controlled commutating repulsion motor - Google Patents
Silicon-controlled commutating repulsion motor Download PDFInfo
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- CN2321163Y CN2321163Y CN 97245172 CN97245172U CN2321163Y CN 2321163 Y CN2321163 Y CN 2321163Y CN 97245172 CN97245172 CN 97245172 CN 97245172 U CN97245172 U CN 97245172U CN 2321163 Y CN2321163 Y CN 2321163Y
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Abstract
The utility model relates to a controlled silicon commutating repulsion motor. The closed circuit of a rotor winding is regularly provided with controlled silicon, the number of the controlled silicon is equal to the number of the components of the closed circuit or equal to the half number of the componentsof the closed circuit. Each controllable silicon is respectively provided with a trigger circuit. A fixed or movable trigger control device is arranged on a stator. The utility model which solves the problem of difficulty in commutating of repulsion motors has the advantages of simple and convenient positive and reverse rotation, simple and convenient speed adjusting control, and high rotating speed.
Description
The utility model relates to repulsion motor.
Existing repulsion motor has magnetizing coil and two brush mounting supports at a distance of 180 ° of position angles on its stator, this supporting is that fix or transportable.Winding and commutator are arranged on its rotor.The rotor winding is the closed-loop path that is formed by a plurality of element connected in series, and this closed-loop path is unified into two parallel branches by commutator segment, brush and lead with it.Repulsion motor has good torque and the speed change characteristic of starting, and the operating voltage that changes magnetizing coil just can change its rotating speed, and the wiring of change magnetizing coil just can change its rotation direction.For the repulsion motor that has only a stator coil, can shifting brush change rotation direction to the correspondence position of neutral position another side.With the direct current machine difference, there are bigger cutting electromotive force and transformer EMF in the repulsion motor commutation element inevitably, its commutation problem is more complicated and difficult than direct current machine, and therefore the application of repulsion motor is subjected to great restriction.
The purpose of this utility model is the problem that overcomes repulsion motor commutation difficulty, so that bring into play its good characteristic in wider production and sphere of life.
This purpose is achieved in that promptly and is provided with unidirectional or bidirectional triode thyristor that two main electrodes of each silicon controlled are connected with two contacts of closed-loop path in rotor winding closed-loop path.Each contact of closed-loop path all connects main electrode of a silicon controlled, and just there is the contact of equivalent number all to connect the anode of one-way SCR or the second plate of bidirectional triode thyristor every several, perhaps each contact of closed-loop path all connects each main electrode of two silicon controlleds, and each contact all connects the anode of one-way SCR or the second plate of bidirectional triode thyristor.The second plate of the anode of each one-way SCR or each bidirectional triode thyristor equates to the parts number of connecting between its negative electrode or the first anode along the same direction of closed-loop path in the closed-loop path.
Each controllable silicon is respectively arranged with circuits for triggering, and the output of circuits for triggering connects the silicon controlled control utmost point, and its input connects certain corresponding contact of closed-loop path.The input of each circuits for triggering equates to the parts number of connecting between its controlled silicon controlled main electrode of the same name along the same direction of closed-loop path.Circuits for triggering be electrode slice or electrode slice and current-limiting resistance thereof form contact circuit arranged, or light-operated circuit, magnetic control circuit or near non-contact circuits such as sensor circuits.
Senser in the electrode slice of each circuits for triggering or its non-contact circuit according to controlled silicon controlled main electrode of the same name in the closed-loop path the order of connection and the interval location angle be installed in rotor assembly a certain periphery or end face on, relative with this periphery or end face, the brush that senser adapts in setting and electrode slice or the non-contact circuit on the mounting support of stator, light source, magnetic patch or sensor block equal controller.The mounting support that control device is set is one or at a distance of two of 180 ° of position angles.Wherein light source is an ordinary light source, or, homophase same frequently by its power supply and stator excitation power supply, the one-way communication voltage regulator of forming with bidirectional triode thyristor and phase-shift trigger circuit is control, is the controllable light source of load with the light-emitting diode of current-limiting circuit and two groups of series connection back reverse parallel connections.Two groups of light-emitting diodes are installed in two of stator respectively on the mounting support of 180 ° of position angles.
Like this, during motor operation, when the senser that is located at epitrochanterian electrode slice or non-contact circuit goes in the control range of stator mounting support power up brush or light source equal controller, just can triggering and conducting by the controllable silicon of this electrode or non-contact circuit control.Rotor is rotated further, and when next controllable silicon was triggered conducting, under the effect of commutation element induced electromotive force, back one silicon controlled conducting electric current increased gradually, and last silicon controlled conducting electric current reduces gradually and ends, and the commutation course of commutation element finishes.The utility model is by the conducting and the commutation of turn-offing realization commutation element electric current in turn of silicon controlled on the rotor, the all difficulties of the commutator change of current have thoroughly been broken away from, simultaneously, the utlity model has and change the speed governing of stator magnetizing coil operating voltage, neutral position changes the position angle speed governing of removable mounting support relatively, and the very easy modes of speed regulation such as phase shifting angle speed governing that change the light-emitting diode controllable light source, add its favorable mechanical characteristic and higher efficient, can substitute wire-wound asynchronous motor, torque motor, electromagnetic adjustable speed motor also obtains obvious energy-saving effect.
Below by means of accompanying drawing the utility model is illustrated.
Shown in Figure 1 be unidirectional controlled be connection embodiment in the rotor winding closed-loop path of odd number at parts number.Each contact of closed-loop path connects an anode and negative electrode of two one-way SCRs.
Each of Fig. 2 and Fig. 3 all is a bidirectional triode thyristor at parts number is the embodiment that is connected in the rotor winding closed-loop path of even numbers.Each contact of closed-loop path connects main electrode of a silicon controlled.
Fig. 4 is that electrode slice has contact circuits for triggering and brush to trigger embodiment of silicon controlled.
Fig. 5 is an embodiment of light-operated circuits for triggering.
Fig. 6 is the embodiment that light activated power thyristor replaces one-way SCR and light-operated circuits for triggering.
Fig. 7 is an embodiment of magnetic control circuit.
Fig. 8 is an embodiment near sensor trigger circuit.
Fig. 9 is the controllable light source circuit of the light-operated circuits for triggering of control.
The parts number of rotor winding shown in Figure 1 closed-loop path is an odd number, and the one-way SCR number equals the closed-loop path parts number.Two main electrodes of every silicon controlled all are connected on two contacts of closed-loop path regularly, and each contact of closed-loop path connects the anode of an one-way SCR and the negative electrode of another one-way SCR.The anode of any two one-way SCRs equates to the parts number of connecting between its negative electrode along the same direction of closed-loop path.Because parts number is an odd number, arbitrary controllable silicon can not equate the parts number of two parallel branches that the closed-loop path is linked to be, and will differ an element at least.Usually, the difference of the parts number of two parallel branches should be lacked as much as possible.In addition, rotor winding closed-loop path parts number is many more, and torque is more little with the fluctuation that corner changes, otherwise big more.Clear for drawing, the number of elements shown in Fig. 1 is less, and in fact rotor winding closed-loop path parts number is often many.If the fluctuation of torque is inessential to the influence of load, rotor element of winding number also can be still less.
The also available bidirectional triode thyristor of one-way SCR among Fig. 1 is pressed identical rule replacement, and difference is that an one-way SCR can not need two one-way SCRs to pass through the electric current of half cycle separately by the alternating current of closed-loop path two parallel branches.Every controllable silicon has circuits for triggering separately, and described two one-way SCRs and circuits for triggering thereof differ on the position near 180 ° of position angles, needs one to trigger control separately, needs to install two triggering control device that differ 180 ° of position angles on the stator.Bidirectional triode thyristor can bi directional conductibility, and a bidirectional triode thyristor has only circuits for triggering, only needs one to trigger control, on the stator triggering control device can only be installed.
Fig. 2 and shown in Figure 3, rotor winding closed-loop path parts number is even numbers, the parts number of two parallel branches that the closed-loop path are linked to be by bidirectional triode thyristor can equate and be the best to equate.In the closed-loop path, the bidirectional triode thyristor number equals 1/2nd of parts number, each contact of closed-loop path only connects main electrode of a silicon controlled, and each silicon controlled main electrode of the same name is equal to the parts number of connecting between its another main electrode along the same direction of closed-loop path.
Just having a contact to connect the second plate of bidirectional triode thyristor every a contact in the closed-loop path shown in Figure 3, then is just to have a contact to connect the first anode of bidirectional triode thyristor every a contact on the contrary.Among Fig. 2, the idle contact number is two.If the parts number of closed-loop path is the integral multiple of other certain number, also may have the space-number of more a plurality of contacts, just just there is the contact of equivalent number to connect the second plate of bidirectional triode thyristor every several, the first anode also is the same in other words.By the bi directional conductibility of bidirectional triode thyristor as can be known, two main electrodes exchange tie points of any bidirectional triode thyristor among Fig. 2, Fig. 3, special the giving birth to of the commutation of rotor winding closed-loop path can not change, but still be connected to the symmetrical distribution of Fig. 2, Fig. 3, be convenient to the installation of bidirectional triode thyristor and circuits for triggering thereof, help the balance of rotor.Though what this two example was provided with in the closed-loop path is bidirectional triode thyristor, but the bidirectional triode thyristor number equals 1/2nd of parts number, circuits for triggering also reduce 1/2nd, as still on stator, establishing a triggering control device, for Fig. 3 example, rotor whenever circles, and the The Trigger of Bidirectional Triode Thyristor number of times reduces, the change of current number of times of rotor winding also reduces, and torque ripple will increase.For Fig. 2 example, at some angle position, bidirectional triode thyristor may not be triggered.For fear of above-mentioned situation, need to be provided with two positions, 180 ° triggering control device apart on the stator.
The bidirectional triode thyristor of Fig. 2, Fig. 3 example can be with one-way SCR according to same rule replacement, and because of its unilateral conduction, rotor winding change of current number of times reduces, and torque ripple also can increase.
Each contact series limiting resistor of closed-loop path shown in Figure 4 all is connected to electrode slice, because each contact of closed-loop path all is connected with the controllable silicon main electrode, can be described as the main pole electrode slice.Each SCR control extremely all series resistance is connected to control utmost point electrode slice.Each main pole electrode slice sequence interval is arranged.Each is controlled utmost point electrode slice and also is spaced by same sequence, and its both sides are adjacent with the main pole electrode slice.When being installed on after brush on the stator will control utmost point electrode slice and the main pole electrode slice that is adjacent is connected, the circuits for triggering of being made up of this main pole electrode slice, control utmost point electrode slice and current-limiting resistance are switched on, can triggering and conducting by the controllable silicon of this circuits for triggering control.From the closed-loop path contact to the main pole electrode slice, the current path of brush, control utmost point electrode slice and the SCR control utmost point current-limiting resistance need be set.Current-limiting resistance can have multiple set-up mode.If brush in the length of circumferencial direction greater than main pole electrode slice or control utmost point electrode slice length in same direction, should be respectively at the leakage resistance of limiting between closed-loop path contact and the electrode slice and between the control utmost point and the electrode slice, for the circuits for triggering of one-way SCR, wherein the closed-loop path contact is better with diode generation to the current-limiting resistance between the electrode slice.If brush in the length of circumferencial direction respectively less than main pole and control utmost point electrode slice in the length of equidirectional, can only between closed-loop path contact and the electrode slice or between the control utmost point and the electrode slice current-limiting resistance or current-limiting resistance and diode be set.Current-limiting resistance also can be arranged on the brush, and method is to make brush with the material of low conductivity, and brush itself is exactly a resistance.Also can make between main pole electrode slice and the control utmost point electrode slice and leave big distance, middle interval is not more than the little brush of thickness of insulating layer respectively again with insulating barrier with two thickness, replaces a brush as triggering control behind series resistance or resistance and the diode.
Fig. 4 example is provided with brush and electrode slice, and common repulsion motor has brush and commutator segment.But be in series with current-limiting resistance in the power circuit of electrode slice, the just very little trigger current that passes through, what commutator segment passed through then is bigger operating current, both have the difference of matter.
No matter circuits for triggering are that contact circuit or non-contact circuit are arranged, and the one end can be described as output, connect the SCR control utmost point, and the other end can be described as input, connect a certain corresponding contact of closed-loop path.The order of connection of each circuits for triggering input in the closed-loop path is identical with parts number at interval with the order of connection of its controlled controllable silicon in the closed-loop path with parts number at interval, also is that each silicon controlled main electrode of the same name is identical to the parts number of connecting between the circuits for triggering input separately along the same direction of closed-loop path in the closed-loop path.Usually, input can connect contact all the other each contacts in addition that the closed-loop path is connected with controlled controllable silicon negative electrode.The contact difference that is connected, the service performance of motor also is not quite similar.With reference to Fig. 4, if the circuits for triggering input is connected on closed-loop path and the contact that controlled controllable silicon anode is connected, by triggering control device on the mobile stator, motor can speed governing in the velocity interval of positive and negative both direction.If the input tie point is the reach of the clockwise direction along the closed-loop path from controlled controllable silicon anode, the circuits for triggering operating voltage changes, if move the triggering control device from neutral inverse position clockwise, originally motor can not start, have only when triggering the control device move angle greater than a certain angle value, the circuits for triggering operating voltage is increased to when being enough to trigger controllable silicon, and motor could start by clockwise direction, and the minimum running speed after the starting is greater than a certain numerical value.The reach of input tie point clockwise direction is many more, and during the starting of motor clockwise direction, counterclockwise move angle is big more to trigger control device, and the lower velocity limit of motor operation is high more.It is adjacent or when adjacent, motor in fact can not the clockwise direction starting operation that input tie point clockwise direction is advanced to the contact that is connected with controlled controllable silicon negative electrode with the closed-loop path.After input tie point clockwise direction moves, if triggering control device moves from the neutral position clockwise direction, motor i.e. starting operation counterclockwise, can speed governing in whole velocity interval, and the voltage that the cutting electromotive force is added in the circuits for triggering two ends reduces, the reach of input tie point clockwise direction is many more, the voltage that the cutting electromotive force is added in the circuits for triggering two ends is more little, when this undertension when triggering the controllable silicon conducting, the cutting electromotive force reduces at the stalling current that parallel branch produces, and the running speed of motor can be higher.Equally, if the input tie point is counterclockwise to be moved forward by controlled controllable silicon anode, the result who draws is similar, only is that various directions are opposite.The above all is the rotor winding closed-loop paths that connect at one-way SCR.Connect if rotor winding closed-loop path is a bidirectional triode thyristor, circuits for triggering input tie point is generally got contact that the closed-loop path is connected with controlled controllable silicon anode or the nearby contact of the contact that links to each other with its negative electrode, and it is identical that energy is given birth in the forward and reverse running of motor.If circuits for triggering input tie point is taken at the zone line of two parallel branches, can occur on the stator triggering control device from neutral position to a certain direction move to certain than small area in, the motor fail to start, and the zone beyond in these regional both sides, the situation that motor can starting operation.
Figure 5 shows that an embodiment of light-operated circuits for triggering.When illumination was arranged, the optoelectronic switch diode was connected, the controllable silicon conducting that can be triggered.During unglazed the photograph, controllable silicon can not trigger.This circuits for triggering operating voltage is lower, and the current-limiting resistance other end can be connected on the nearby contact of negative electrode and closed-loop path tie point.
Shown in Figure 6 is an embodiment of light activated power thyristor, is equivalent to combining of single-phase silicon-controlled and its light-operated circuits for triggering.The resistance that is attached between the light activated power thyristor control utmost point and negative electrode is sensitivity resistor, changes the intensity of illumination that its resistance can change the light activated power thyristor triggering and conducting.
Shown in Figure 7 is an embodiment of magnetic control circuits for triggering.H is a Hall integrated circuit among the figure, and rectifier diode, current-limiting resistance, electric capacity and voltage stabilizing didoe provide working power for circuit, if magnetic field is arranged near the Hall circuit sensing surface, and the controllable silicon conducting that is triggered.
Fig. 8 exchanges double wire system triggers the bidirectional triode thyristor conducting near inductive switch a embodiment.When sensor block near the time, the conducting that is triggered of switch connection, controllable silicon.
Triggering control device such as brush, light source, magnetic patch or sensor block all can be installed on the removable mounting support of stator.In the rotor winding electrode slice of thyristor gating circuit or senser according to controlled silicon controlled main electrode of the same name in the closed-loop path the order of connection and the interval location angle be installed in rotor assembly in proper order a certain periphery or end face on, and relative with control device.The offset direction that changes the relative neutral position of removable mounting support can change turning to of motor, changes the rotating speed that the middle relatively deviation angle of giving birth to the position of mounting support can change motor.If mounting support is moved to a certain direction by neutral position, the rightabout starting operation that rotor then moves to mounting support, the position angle that mounting support departs from strengthens, and rotating speed rises, otherwise then descends.
Shown in Figure 9 is a kind of control circuit of light-operated circuits for triggering.Wherein bidirectional triode thyristor and phase-shift trigger circuit thereof are formed the single phase ac regulation device, and triode, voltage stabilizing didoe and the resistance of rectifier and its output are formed a constant-current source, are equivalent to a dynamic electric resistor, play metering function.Load is the light-emitting diode of two groups of series connection back reverse parallel connections.Every group of light-emitting diode is installed on the mounting support of stator, and two groups at a distance of 180 ° of position angles, and each group is only switched in half cycle and lighted.Used power supply and stator excitation power supply are with the frequency homophase.During motor work, the energising of stator magnetizing coil, if not conducting of bidirectional triode thyristor among Fig. 9, light-emitting diode does not work, light-operated circuits for triggering or not conducting of light activated power thyristor on the rotor, motor does not change.If regulator potentiometer, light-emitting diode is lighted, and changed phase shifting angle gradually, increase the average working voltage of light-emitting diode, motor starting and raising speed gradually.After motor rotated, as cutting off LED power source, rotor slowed down under effect of inertia.At this moment,, but by change over switch, make the light-emitting diode working power anti-phase if light-emitting diode is lighted, though also the time of lighting of two groups of light-emitting diodes shift to an earlier date, delay 180 ° of time angles separately, motor is a dynamic brake state fast braking.Find out easily, increase by two groups of light-emitting diodes again, the same two groups of relative neutral positions of light-emitting diode are installed symmetrically.Use a change over switch again, totally two change over switches, one of them change over switch select preceding two groups or afterwards two groups of light-emitting diodes light, it is that positive half cycle or negative half period are lighted that another change over switch is selected each group light-emitting diode, just make at an easy rate that motor is realized just changeing, the four quadrant running of counter-rotating and dynamic brake, and available potentiometer speed governing very easily.
Be installed on the triggering control device in the fixed installation supporting, as brush, light source, magnetic patch or sensor block etc., should make its controlling dimension be not less than the same square chi cun of electrode slice or the size between the two circuits for triggering sensers at circumferencial direction, make regardless of angle of rotor, have at least the controllable silicon more than or can triggering and conducting, in order to avoid the situation of rotor fail to start occurs.If the mounting support on the stator is transportable, though can avoid the problem of fail to start by mobile mounting support, when utmost point low-speed running, torque ripple will increase, so, still should be noted that the control range of stator upper controller for the motor that requires under utmost point low speed, to turn round.
The embodiment that the utility model is not limited in this proposition, in scope of the present utility model, those skilled in the art can find out some remodeling, as the change over switch that the light-emitting diode controllable light source is used, can use contactless electronic beam switch, will more help automatic control.In addition, also closed-loop path, controllable silicon and circuits for triggering can be arranged on the stator and magnetizing coil and sensor block, magnetic patch etc. are arranged on the rotor or the like.
Claims (1)
1. the thyristor commutation repulsion motor has stator and rotor, and magnetizing coil and mounting support are arranged on its stator, and mounting support is that fix or transportable, on its rotor winding is arranged, and winding is the closed-loop path that is formed by a plurality of element connected in series, it is characterized in that:
Be provided with unidirectional or bidirectional triode thyristor in rotor winding closed-loop path, two main electrodes of each silicon controlled are connected with two contacts of closed-loop path; Each contact of closed-loop path all connects a silicon controlled main electrode, and just there is the contact of equivalent number all to connect the anode of one-way SCR or the second plate of bidirectional triode thyristor every several, perhaps each contact of closed-loop path all connects each main electrode of two silicon controlleds, and each contact all is connected with the anode of one-way SCR or the second plate of bidirectional triode thyristor; The second plate of the anode of each one-way SCR or each bidirectional triode thyristor equates to the parts number of connecting between its negative electrode or the first anode along the same direction of closed-loop path in the closed-loop path;
Each controllable silicon is respectively arranged with circuits for triggering, the output of circuits for triggering connects the silicon controlled control utmost point, its input connects certain the corresponding contact in the closed-loop path, the input of each circuits for triggering equates to the parts number of connecting between its controlled silicon controlled main electrode of the same name along the same direction of closed-loop path, circuits for triggering be electrode slice or electrode slice and its current-limiting resistance form contact circuit arranged, or light-operated circuit, magnetic control circuit or near non-contact circuits such as sensor circuits;
Senser in the electrode slice of each circuits for triggering or its non-contact circuit according to controlled silicon controlled main electrode of the same name in the closed-loop path the order of connection and the interval location angle be installed in rotor assembly a certain periphery or end face on, relative with this periphery or end face, the mounting support of stator be provided with electrode slice or non-contact circuit in the senser brush, light source, magnetic patch or the sensor block equal controller that adapt, the mounting support that control device is set is one or at a distance of two of 180 ° of position angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97245172 CN2321163Y (en) | 1997-09-15 | 1997-09-15 | Silicon-controlled commutating repulsion motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97245172 CN2321163Y (en) | 1997-09-15 | 1997-09-15 | Silicon-controlled commutating repulsion motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2321163Y true CN2321163Y (en) | 1999-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97245172 Expired - Fee Related CN2321163Y (en) | 1997-09-15 | 1997-09-15 | Silicon-controlled commutating repulsion motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN2321163Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421921A (en) * | 2019-08-20 | 2021-02-26 | 德国日本电产电机与驱动器有限公司 | Noise reduction for brushed asymmetric motors with direct current excitation |
-
1997
- 1997-09-15 CN CN 97245172 patent/CN2321163Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421921A (en) * | 2019-08-20 | 2021-02-26 | 德国日本电产电机与驱动器有限公司 | Noise reduction for brushed asymmetric motors with direct current excitation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |