CN203522489U

CN203522489U - Swing motor combined drive device

Info

Publication number: CN203522489U
Application number: CN201320585620.7U
Authority: CN
Inventors: 孙志明
Original assignee: TOHKAIP ELECTRIC PRODUCTS (SHENZHEN) Co Ltd
Current assignee: Shenzhen Guangli Hechang Technology Co ltd
Priority date: 2013-09-23
Filing date: 2013-09-23
Publication date: 2014-04-02
Anticipated expiration: 2023-09-23

Abstract

The utility model provides a swing motor combined drive device run by cooperation of a swing motor and an MCU unit being connected with the swing motor and generating an oscillation circuit. The swing motor comprises a pendulum shaft; the lower end of a pendulum shaft body is provided with a force applying member generating a thrust to the pendulum shaft; an outer side of the force applying member is sleeved with a shield cover for fixing the force applying member; and the lower end of the force applying member is provided with a base member. The swing motor combined drive device is simple in structure; due to the fact that combined motion is achieved without involving a complex transmission structure, after being applied in a product, the swing motor combined drive device is of low mechanical energy loss, low noise, long service life and high energy conversion efficiency, and can achieve acoustic swing or low-frequency swing with the frequency of over or under 10,000 times per minute under the condition of being driven under different frequencies; application fields are broader, the formation of a brand new application field is facilitated, and good industry influence is achieved.

Description

Rotary actuator combination driving device

Technical field

The utility model relates to rotary actuator technical field, is specifically related to be derived and next a kind of rotary actuator combination driving device by conventional motor.

Background technology

Along with the development of technology and the diversification of demand, adopt all types of products of compound motion pattern also more and more, wherein, described compound motion is realized after mainly being changed by machine driving by corresponding motor apparatus, and wherein more representational compound motion product has electric toothbrush, electric massager etc.

And the drive principle of conventional motor in application and the said goods is compared with immobilization, and its simple structure, therefore can provide in less expensive mode the demand of goods, the driver part of such motor is all done compound motion with certain direction, but its motion process can be subject to the restrictions such as the rotating speed, torsional forces, the direction of motion of motor, operating frequency also can be because of being difficult to reach the especially warble of sound wave level of high frequency by motor self and drive disk assembly restriction simultaneously; In addition, also easily there is the problems such as wearing and tearing in its drive mechanism that carries out compound motion, not only causes damage, and also can make operating efficiency get a desired effect, and is unfavorable for promoting and using.

Utility model content

The technical problems to be solved in the utility model is to overcome above-mentioned technical defect, and a kind of rotary actuator combination driving device that can work in frequency of sound wave or low-frequency range is provided.

The utility model is specifically achieved through the following technical solutions:

Rotary actuator combination driving device, comprises rotary actuator and the MCU unit of the generation oscillating circuit that is connected with rotary actuator circuit; Wherein, described rotary actuator comprises balance staff, and described balance staff main body lower end is provided with the force application part that balance staff is produced to thrust, and described force application part outside cover has the fixedly screening cover of force application part; Wherein, described force application part lower end is provided with simultaneously the fixedly base component of balance staff and force application part; In addition, balance staff integral body is cylindrical structural, the orthogonal concave surface of the equal concave in the left and right sides at the position that balance staff main body lower end and force application part join; Described force application part comprises left magnet carrier and the right magnet carrier of mutual fastening; Described left magnet carrier protects on the rectangle concave surface that magnetic sheet is pressed together on balance staff main body lower end left side one group, and this protects between magnetic sheet and left magnet carrier and is provided with two groups of magnets, and these two groups of magnets are oppositely placement mutually, and is provided with one group every bar magnet between these two groups of magnets; Described right magnet carrier protects another group on the rectangle concave surface that magnetic sheet is pressed together on right side, balance staff main body lower end, this protects and between magnetic sheet and right magnet carrier, is provided with other two groups of magnets, these two groups of magnets are oppositely placed mutually, and are provided with another group every bar magnet between these two groups of magnets.

Described MCU unit comprise drive the operation of MCU unit driver element, the PWM output unit of output PWM waveform, according to PWM waveform, carry out the o controller of dynamic Control and the frequency controller that the output signal of PWM output unit is detected to control; Wherein, driver element is connected with PWM output unit, o controller, frequency controller respectively; Frequency controller is connected with PWM output unit, and PWM output unit is connected with o controller.

Scabble the left and right sides, balance staff top, and near its bit position place, flattened portion, be provided with a draw-in groove in balance staff upper end; In addition, balance staff bottom is provided with hole, is provided with high frequency axle in described hole, and described high frequency shaft tail end extends outside balance staff bottom.

Base component comprises after high frequency axle fixed mount, high frequency axle gland and organizes screw more, wherein, by high frequency axle gland, high frequency shaft tail end is fixed on after high frequency axle in fixed mount, by many groups screw, fixed mount after high frequency axle is locked in to bottom bracket below simultaneously; Wherein, in high frequency axle gland main body, be provided with the hole mating with high frequency shaft tail end, high frequency shaft tail end is inserted in the hole of high frequency axle gland and is fixed.

Force application part upper end is provided with top-support, and force application part lower end is provided with bottom bracket simultaneously; Wherein, in top-support main body and bottom bracket main body, be equipped with circular groove, in each circular groove, be equipped with one group of bearing.

Left magnet carrier main body two ends are all arranged with many group circular holes, and right magnet carrier main body two ends are all arranged with the cylinder that many groups are mated with circular hole on left magnet carrier simultaneously.

Force application part comprises left field spool and the right field spool in left magnet carrier and right magnet carrier are fastened on; On left magnet exciting coil frame body and right magnet exciting coil frame body, be all embedded one group of magnetic conductor, on described magnetic conductor, be all wound with excitation wire, and the excitation wire on two groups of magnetic conductors is all connected with MCU element circuit.

In left magnet carrier main body and right magnet carrier main body, be equipped with dead slot, on left magnet exciting coil frame body and right magnet exciting coil frame body, be equipped with dead slot; Wherein, one group of magnetic conductor is embedded on the dead slot of left magnet exciting coil frame body, and this magnetic conductor main body is through the dead slot of left magnet carrier main body; In addition, another group magnetic conductor is embedded on the dead slot of right magnet exciting coil frame body, and this magnetic conductor main body is through the dead slot of right magnet carrier main body.

Left magnet exciting coil frame body two ends are all arranged with many group lug bosses, and right magnet exciting coil frame body two ends are all arranged with the groove that many groups are mated with lug boss on left field spool simultaneously.

Above-mentioned rotary actuator combination driving device, comprises following operating procedure:

S1, MCU unit access power supply, make two groups of excitation wire energisings, makes each magnetic conductor produce magnetic field, and the magnet and the magnetic conductor acting in conjunction promotion balance staff that are distributed in the balance staff left and right sides carry out initial motion periodically repeatedly;

S2, MCU unit open frequency controller, make PWM output unit output PWM waveform to o controller;

S3, o controller, according to PWM waveform generation dynamic Control signal, carry out left swing control and the control of right pendulum to the initial motion of balance staff;

S4, control frequency controller, order is controlled the left swing of balance staff and the control of right pendulum hockets with fixed frequency.

Compared with prior art, the utlity model has following beneficial effect:

The utility model is simple in structure, under the prerequisite that does not relate to complicated drive mechanism, realized compound motion, therefore after being applied in product, mechanical energy loss is few, noise is low, and the life-span is long, and energy conversion efficiency is high, and can under different frequency drives, realize per minute more than 10000 times or below sound wave swing or frequency wobbles, suitable application area is more extensive, contributes to form brand-new application, possesses preferably Industry Effect power.

Accompanying drawing explanation

Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:

Be illustrated in figure 1 the topology diagram of the utility model one specific embodiment;

Be illustrated in figure 2 the overall structure figure of the rotary actuator of the utility model one specific embodiment;

Be illustrated in figure 3 the sectional drawing of Fig. 2;

Be illustrated in figure 4 the sectional drawing of Fig. 2;

Be illustrated in figure 5 the blast structure chart of the rotary actuator of the utility model one specific embodiment;

Be illustrated in figure 6 the local structural graph of the rotary actuator of the utility model one specific embodiment.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.

As shown in Fig. 1 ~ Fig. 6, rotary actuator combination driving device for the utility model preferred embodiment, the utility model is preferably applicable in electric toothbrush, concrete, described device comprises rotary actuator and the MCU unit 30 of the generation oscillating circuit that is connected with rotary actuator circuit, in actual applications, rotary actuator is connected with the head toothbrushes of electric toothbrush, MCU unit 30 is located in electric toothbrush main body simultaneously.

Described rotary actuator comprises balance staff 3, described balance staff 3 main body lower ends are provided with the force application part 13 that balance staff 3 is produced thrust under energising situation, described force application part 13 outsides covers have to be taken in and the fixing screening cover 14 of force application part 13, and screening cover 14 can allow whole rotary actuator obtain good electromagnetism antijamming capability; Wherein, described force application part 13 lower ends are provided with simultaneously the fixedly base component 18 of balance staff 3 and force application part 13.

Wherein as shown in Figure 1, described MCU unit 30 comprise drive 30 operations of MCU unit driver element 34, the PWM output unit 31 of output PWM waveform, according to PWM waveform, carry out the o controller 32 of dynamic Control and the frequency controller 33 that the output signal of PWM output unit 31 is detected to control; Wherein, driver element 34 is connected with PWM output unit 31, o controller 32, frequency controller 33 respectively; Frequency controller 33 is connected with PWM output unit 31, and PWM output unit 31 is connected with o controller 32.

Balance staff 3 integral body are cylindrical structural, and wherein, scabble balance staff 3 left and right sides, top, and near its bit position place, flattened portion, be provided with a draw-in groove in balance staff 3 upper ends, described draw-in groove and scabble position for placing toothbrush head; The orthogonal concave surface of the equal concave in the left and right sides at the position that in addition, balance staff 3 main body lower ends and force application part 13 join; In addition, balance staff 3 bottoms are provided with hole, are provided with high frequency axle 4 in described hole, and described high frequency axle 4 tail ends extend outside balance staff 3 bottoms.

Force application part 13 upper ends are provided with top-support 11, and force application part 13 lower ends are provided with bottom bracket 12 simultaneously; Wherein, in top-support 11 main bodys and bottom bracket 12 main bodys, be equipped with circular groove, in each circular groove, be equipped with one group of bearing 10.

Base component 18 comprises after high frequency axle fixed mount 20, high frequency axle gland 19 and organizes screw 21 more, wherein, by high frequency axle gland 19, high frequency axle 4 tail ends are fixed on after high frequency axle in fixed mount 20, by many groups screw 21, fixed mount 20 after high frequency axle are locked in to bottom bracket 12 belows simultaneously; Wherein, in high frequency axle gland 19 main bodys, be provided with the hole mating with high frequency axle 4 tail ends, high frequency axle 4 tail ends are inserted in the hole of high frequency axle gland 19 and are fixed.

Force application part 13 comprises left magnet carrier 9 and the right magnet carrier 29 of mutual fastening; Left magnet carrier 9 and right magnet carrier 29 are for being fixed balance staff 3; Wherein, left magnet carrier 9 protects on the rectangle concave surface that magnetic sheet 5 is pressed together on balance staff 3 main body lower ends left sides one group, this protects and between magnetic sheet 5 and left magnet carrier 9, is provided with two groups of magnets 7, this two groups of magnets 7 are oppositely placed (allow magnetic pole different poles on a face) mutually, and are provided with one group every bar magnet 6 between these two groups of magnets 7; In addition, right magnet carrier 29 protects another group on the rectangle concave surface that magnetic sheet 5 is pressed together on balance staff 3 right sides, main body lower end, this protects and between magnetic sheet 5 and right magnet carrier 29, is provided with other two groups of magnets 7, this two groups of magnets 7 are oppositely placed (allow magnetic pole different poles on a face) mutually, and are provided with another group every bar magnet 6 between these two groups of magnets 7; Described every bar magnet 6 for reducing magnet 7 heteropoles mutually near time the situation that dies down of magnetic field intensity.

Wherein as shown in Figure 1, between four groups of magnets 7, be no matter the placement that is reversed that all keeps magnetic pole between the adjacent or magnet that front and back are adjacent 7 in left and right.

Wherein as shown in Figure 6, left magnet carrier 9 main body two ends are all arranged with many group circular holes, and right magnet carrier 29 main body two ends are all arranged with the cylinder that many groups are mated with circular hole on left magnet carrier 9 simultaneously.

In addition, force application part 13 also comprises left field spool 15 and the right field spool 25 in left magnet carrier 9 and right magnet carrier 29 are fastened on; Left field spool 15 and right field spool 25 wrap up left magnet carrier 9 and right magnet carrier 29, guarantee that left magnet carrier 9 and right magnet carrier 29 have enough spaces and drive balance staff 3 motions simultaneously.

Left field spool 15 main bodys and right field spool 25 main bodys are all embedded one group of magnetic conductor 16, and the excitation wire 17 being all wound with on every group of magnetic conductor 16 on 17, two groups of magnetic conductors 16 of excitation wire is all connected with MCU unit 30 circuit.

Wherein as shown in Figure 6, left field spool 15 main body two ends are all arranged with many group lug bosses, and right field spool 25 main body two ends are all arranged with the groove that many groups are mated with lug boss on left field spool 15 simultaneously.

Wherein, in left magnet carrier 9 main bodys and right magnet carrier 29 main bodys, be equipped with dead slot, in left field spool 15 main bodys and right field spool 25 main bodys, be equipped with dead slot; Wherein, one group of magnetic conductor 16 is embedded on the dead slot of left field spool 15 main bodys, and these magnetic conductor 16 main bodys are through the dead slot of left magnet carrier 9 main bodys; In addition, another group magnetic conductor 16 is embedded on the dead slot of right field spool 25 main bodys, and these magnetic conductor 16 main bodys are through the dead slot of right magnet carrier 29 main bodys.

S1, MCU unit 30 access power supplys, make 17 energisings of two groups of excitation wire, makes each magnetic conductor 16 produce magnetic field, and the magnet 7 that is distributed in balance staff 3 left and right sides promotes balance staff 3 with magnetic conductor 16 actings in conjunction and carries out initial motion periodically repeatedly;

S2, MCU unit 30 open frequency controllers 33, make PWM output unit 31 output PWM waveforms to o controller 32;

S3, o controller 32, according to PWM waveform generation dynamic Control signal, carry out left swing control and the control of right pendulum to the initial motion of balance staff 3;

S4, control frequency controller 33, order hockets to the fixed frequency that the left swing of balance staff 3 is controlled and right pendulum is controlled with 200Hz.

Wherein, under the state that two groups of excitation wire 17 are not switched on, magnet 7 attracts each other with magnetic conductor 16, and now magnetic conductor 16 produces without magnetic field.After 17 energisings of two groups of excitation wire, magnetic conductor 16 produces magnetic field, electric current in oscillating circuit ceaselessly changes, make the magnetic pole of magnetic conductor 16 along with changing, because homopolarity is inhaled mutually heteropole and is repelled each other, so be distributed in the magnet 7 of balance staff 3 left and right sides, promote balance staffs 3 with magnetic conductor 16 actings in conjunction and periodically repeatedly move in certain angle, so under different frequency drives, realize per minute more than 10000 times or below sound wave swing or frequency wobbles.

Claims

1. rotary actuator combination driving device, the MCU unit (30) that it is characterized in that comprising rotary actuator and be connected with rotary actuator circuit; Wherein, described rotary actuator comprises balance staff (3), and described balance staff (3) main body lower end is provided with force application part (13), and described force application part (13) outside cover has screening cover (14); Wherein, described force application part (13) lower end is provided with base component (18); In addition, balance staff (3) integral body is cylindrical structural, the orthogonal concave surface of the equal concave in the left and right sides at the position that balance staff (3) main body lower end and force application part (13) join; Described force application part (13) comprises left magnet carrier (9) and the right magnet carrier (29) of mutual fastening; Described left magnet carrier (9) protects on the rectangle concave surface that magnetic sheet (5) is pressed together on balance staff (3) main body lower end left side one group, this protects between magnetic sheet (5) and left magnet carrier (9) and is provided with two groups of magnets (7), these two groups of magnets (7) are oppositely placed mutually, and are provided with one group every bar magnet (6) between these two groups of magnets (7); Described right magnet carrier (29) protects another group on the rectangle concave surface that magnetic sheet (5) is pressed together on right side, balance staff (3) main body lower end, this protects between magnetic sheet (5) and right magnet carrier (29) and is provided with other two groups of magnets (7), these two groups of magnets (7) are oppositely placed mutually, and are provided with another group every bar magnet (6) between these two groups of magnets (7).

2. rotary actuator combination driving device according to claim 1, is characterized in that described MCU unit (30) comprises driver element (34), PWM output unit (31), o controller (32) and frequency controller (33); Wherein, driver element (34) is connected with PWM output unit (31), o controller (32), frequency controller (33) respectively; Frequency controller (33) is connected with PWM output unit (31), and PWM output unit (31) is connected with o controller (32).

3. rotary actuator combination driving device according to claim 1, is characterized in that described force application part (13) upper end is provided with top-support (11), and force application part (13) lower end is provided with bottom bracket (12) simultaneously; Wherein, in top-support (11) main body and bottom bracket (12) main body, be equipped with circular groove, in each circular groove, be equipped with one group of bearing (10).

4. rotary actuator combination driving device according to claim 1, is characterized in that described balance staff (3) left and right sides, top scabbles, and near its bit position place, flattened portion, is provided with a draw-in groove in balance staff (3) upper end; In addition, balance staff (3) bottom is provided with hole, is provided with high frequency axle (4) in described hole, and described high frequency axle (4) tail end extends outside balance staff (3) bottom.

5. rotary actuator combination driving device according to claim 4, it is characterized in that described base component (18) comprises after high frequency axle fixed mount (20), high frequency axle gland (19) and organizes screw (21) more, wherein, by high frequency axle gland (19), high frequency axle (4) tail end is fixed on after high frequency axle in fixed mount (20), by many group screws (21), fixed mount (20) after high frequency axle is locked in to bottom bracket (12) below simultaneously; Wherein, be provided with the hole mating with high frequency axle (4) tail end in high frequency axle gland (19) main body, high frequency axle (4) tail end is inserted in the hole of high frequency axle gland (19).

6. rotary actuator combination driving device according to claim 1, it is characterized in that described left magnet carrier (9) main body two ends are all arranged with many group circular holes, right magnet carrier (29) main body two ends are all arranged with the cylinder that many groups are mated with circular hole on left magnet carrier (9) simultaneously.

7. rotary actuator combination driving device according to claim 1, is characterized in that described force application part (13) comprises left magnet carrier (9) and right magnet carrier (29) are fastened on to interior left field spool (15) and right field spool (25); In left field spool (15) main body and right field spool (25) main body, be all embedded one group of magnetic conductor (16), on described magnetic conductor (16), be all wound with excitation wire (17), and the excitation wire (17) on two groups of magnetic conductors (16) is all connected with MCU unit (30) circuit.

8. rotary actuator combination driving device according to claim 7, it is characterized in that being equipped with dead slot in described left magnet carrier (9) main body and right magnet carrier (29) main body, in left field spool (15) main body and right field spool (25) main body, be equipped with dead slot; Wherein, one group of magnetic conductor (16) is embedded on the dead slot of left field spool (15) main body, and this magnetic conductor (16) main body is through the dead slot of left magnet carrier (9) main body; In addition, another group magnetic conductor (16) is embedded on the dead slot of right field spool (25) main body, and this magnetic conductor (16) main body is through the dead slot of right magnet carrier (29) main body.

9. rotary actuator combination driving device according to claim 7, it is characterized in that described left field spool (15) main body two ends are all arranged with many group lug bosses, right field spool (25) main body two ends are all arranged with the groove that many groups are mated with lug boss on left field spool (15) simultaneously.