High-efficiency speed regulating method of brushless motor
阅读说明:本技术 无刷电机的高效率调速方法 (High-efficiency speed regulating method of brushless motor ) 是由 张继美 杨洪开 于 2019-10-23 设计创作,主要内容包括:本发明公布了无刷电机的高效率调速方法,其步骤在于:无刷电机通电后,永磁体/磁体安装构件/输出轴转动;使用者手动开启调整电机并通过推拉构件、连接筒、推拉杆二、支撑杆一/二配合使安装板/永磁体做靠近输出轴的运动;连接筒运动还通过牵引件牵引拉动筒同步运动,从而使线圈与输出轴之间的距离减小;当线圈/永磁体与输出轴之间的距离达到合适值时,使用者手动关闭调整电机,此时输出轴的转矩减小,因转矩与转速之间呈反比,故而在相同功率条件下,增大了无刷电机的输出轴输出转速;无刷电机停止运行时,使用者可通过调整机构增大线圈/永磁体与输出轴之间的距离,从而缩短了无刷电机的输出轴转速降至为零所需的时间。(The invention discloses a high-efficiency speed regulating method of a brushless motor, which comprises the following steps: after the brushless motor is electrified, the permanent magnet/magnet mounting member/output shaft rotates; a user manually starts the adjusting motor and enables the mounting plate/the permanent magnet to move close to the output shaft through the matching of the push-pull component, the connecting cylinder, the push-pull rod II and the support rod I/II; the connecting cylinder moves and pulls the pulling cylinder to move synchronously through the pulling piece, so that the distance between the coil and the output shaft is reduced; when the distance between the coil/permanent magnet and the output shaft reaches a proper value, a user manually turns off the adjusting motor, the torque of the output shaft is reduced, and the output rotating speed of the output shaft of the brushless motor is increased under the condition of the same power because the torque and the rotating speed are in inverse proportion; when the brushless motor stops running, a user can increase the distance between the coil/permanent magnet and the output shaft through the adjusting mechanism, so that the time required for reducing the rotating speed of the output shaft of the brushless motor to zero is shortened.)
1. The high-efficiency speed regulating method of the brushless motor comprises the following steps:
a non-opening stage;
s1: after the brushless motor is electrified, the coil is fixed, and the permanent magnet pulls the output shaft to rotate through the mounting mechanism;
the mounting mechanism comprises a coil mounting component and a magnet mounting component, the coil mounting component comprises a coil pulling piece and a coil mounting piece, the magnet mounting component is positioned on one side of the coil pulling piece, which is far away from the power output end of the output shaft, and the magnet mounting component comprises a magnet pulling piece and a magnet mounting piece;
the coil pulling piece comprises a fixed cylinder and a pulling cylinder, the fixed cylinder is coaxially movably sleeved outside the output shaft and fixedly connected with a motor shell of the brushless motor, the pulling cylinder is positioned on one side, away from the power output end of the output shaft, of the fixed cylinder, the pulling cylinder is coaxially movably sleeved outside the output shaft and can move along the axial direction of the output shaft, a first hinge bulge is arranged on the outer circular surface of the fixed cylinder, a second hinge bulge is arranged on the outer circular surface of the pulling cylinder, the coil installing piece comprises a support, a connecting rod and a first push-pull rod, one end of the connecting rod is hinged with the first hinge bulge, the other end of the connecting rod is hinged with the support, the connecting rod is provided with two groups along the axial direction of the output shaft and is respectively a first connecting rod and a second connecting rod positioned on one side, facing the power output end of the output shaft, the other end of the coil is hinged with the first connecting rod, the second connecting rod and the push-pull rod are all positioned in the same plane, and the coil is fixed on the support;
the magnet pulling piece comprises an installation cylinder and a connecting cylinder, the installation cylinder is coaxially fixed outside the output shaft, the connecting cylinder is positioned on one side of the installation cylinder, which is far away from the power output end of the output shaft, the connecting cylinder is coaxially and movably sleeved outside the output shaft, the connecting cylinder can move along the axial direction of the output shaft, a first connecting bulge is arranged on the outer circular surface of the installation cylinder, a second connecting bulge is arranged on the outer circular surface of the connecting cylinder, the magnet installation piece comprises an installation plate, a support rod and a second push-pull rod, the installation plate is positioned between the coil and the output shaft, one end of the support rod is hinged with the first connecting bulge, the other end of the support rod is hinged with the installation plate, the support rod is provided with two groups in the axial direction of the output shaft, the first support rod is positioned between the first support rod and the coil pulling, the first support rod, the second support rod and the second push-pull rod are all positioned in the same plane, and the permanent magnet is fixed on the mounting plate;
after the brushless motor is electrified, the coil is fixed, and the permanent magnet/magnet mounting member/output shaft starts to rotate under the action of ampere force;
(II) auxiliary speed increasing stage;
s2: the user adjusts the distance between the permanent magnet and the output shaft through the adjusting mechanism;
the adjusting mechanism is positioned on one side of the magnet pulling piece, which is far away from the power output end of the output shaft, and comprises a controller, an adjusting motor and a push-pull component, wherein the adjusting motor is used for providing power for the operation of the push-pull component, the push-pull component is used for pulling the connecting cylinder to displace along the axial direction of the output shaft, and the controller is used for a user to manually control the opening and closing of the adjusting motor;
a user manually starts the adjusting motor through the controller, the adjusting motor runs and pulls the connecting cylinder to move far away from the power output end of the output shaft through the push-pull component, and the connecting cylinder moves and enables the mounting plate to move close to the output shaft through the cooperation among the push-pull rod II, the support rod I and the support rod II, so that the distance between the permanent magnet and the output shaft is reduced;
s3: a traction piece is arranged between the magnet pulling piece and the coil pulling piece, and the magnet pulling piece and the coil pulling piece are connected in a rotating fit manner through the traction piece;
the connecting cylinder moves away from the power output end of the output shaft and pulls the pulling cylinder to move synchronously through the traction piece, the pulling cylinder moves and enables the support to move close to the output shaft through the cooperation among the first push-pull rod, the first connecting rod and the second connecting rod, so that the distance between the coil and the output shaft is reduced, and the distance between the coil and the permanent magnet is unchanged;
s4: when the distance between the coil/permanent magnet and the output shaft reaches a proper value, a user manually turns off the adjusting motor through the controller, the torque of the output shaft is reduced, and the output rotating speed of the output shaft of the brushless motor is increased under the condition of the same power because the torque is inversely proportional to the rotating speed;
(III) auxiliary deceleration stage;
s5: when the brushless motor is powered off and stops running, a user can adjust the on/off of the motor through manual control, so that the distance between the coil/permanent magnet and the output shaft is increased, namely the torque of the output shaft is increased, and the time required for reducing the rotating speed of the output shaft of the brushless motor to zero is shortened because the torque is inversely proportional to the rotating speed.
2. The method for high efficiency speed regulation of a brushless motor according to claim 1, wherein the coils are fixedly mounted on the frame, the coils are arrayed in a plurality of groups along the circumferential direction of the output shaft, and the coil mounting members are arrayed in a plurality of groups corresponding to the arrays, and the first hinge projection provided on the outer circumferential surface of the fixed cylinder and the second hinge projection provided on the outer circumferential surface of the pulling cylinder are arrayed in a plurality of groups corresponding to the arrays.
3. A high efficiency speed regulating method of a brushless motor as claimed in claim 2, wherein said permanent magnets are fixedly mounted on the mounting plate, the permanent magnets are arrayed in a plurality of groups along the circumferential direction of the output shaft and the magnet mounting members are arrayed in a plurality of groups corresponding to the array, and the first connecting projection provided on the outer circumferential surface of the mounting cylinder and the second connecting projection provided on the outer circumferential surface of the connecting cylinder are arrayed in a plurality of groups corresponding to the array.
4. The high efficiency speed regulating method of brushless electric machine according to claim 1, wherein the end surface of said pulling cylinder departing from the power output end of the output shaft is coaxially provided with a rotating sleeve, and the outer circular surface of the rotating sleeve is coaxially provided with a rotating groove in a ring groove structure;
the excircle surface of the mounting cylinder is provided with a key groove which penetrates through the axial thickness of the mounting cylinder.
5. The method for efficiently adjusting the speed of a brushless motor according to claim 4, wherein the drawing member includes a fixing rod and an insert, the insert is disposed in the rotating slot and has an arc block structure coaxially disposed with the rotating slot, the fixing rod extends in a direction parallel to an axial direction of the output shaft, and one end of the fixing rod is fixedly connected to the connecting cylinder while the other end thereof passes through the key slot and is fixedly connected to the insert.
6. The method for high efficiency speed regulation of a brushless electric motor according to claim 5, wherein the plurality of sets of said traction members are arranged in a circumferential array along the output shaft, and the plurality of sets of said mosaic blocks are jointly spliced to form a mosaic ring of a complete circular ring structure coaxially arranged with the rotation slot, and said mosaic ring and the rotation slot are in running fit.
7. The method for high efficiency speed regulation of a brushless motor according to claim 1, wherein the adjustment motor is fixed to a motor housing of the brushless motor, the adjustment motor and the brushless motor are coaxially arranged, and a power output end of the adjustment motor extends into the brushless motor.
8. The method for high efficiency speed regulation of a brushless motor according to claim 7, wherein the push-pull member comprises a mounting plate, a push-pull sleeve, a push-pull lead screw, and a gear transmission set, the mounting plate is coaxially and movably mounted outside the output shaft through a bearing, the axial direction of the push-pull lead screw is parallel to the axial direction of the output shaft, the push-pull lead screw is movably mounted on the mounting plate, two ends of the push-pull lead screw are respectively located at one side of the mounting plate, and the push-pull lead screw is arranged in three sets in an array along the circumferential direction of.
9. The method for high efficiency speed regulation of a brushless electric motor according to claim 8, wherein the end surface of the connecting cylinder facing away from the power output end of the output shaft is coaxially provided with a mounting sleeve, the push-pull sleeve is coaxially and movably mounted outside the mounting sleeve and forms a rotating fit therebetween, the push-pull sleeve is further mounted between a nut and the push-pull screw rod, three sets of nuts are correspondingly arranged, and the push-pull screw rod rotates and pulls the push-pull sleeve to displace along the axial direction of the output shaft.
10. The method for high efficiency speed regulation of a brushless motor according to claim 9, wherein the gear transmission set comprises a driving spur gear and a driven spur gear, the driving spur gear is coaxially and fixedly installed outside the power output end of the adjustment motor, the driven spur gear is coaxially and fixedly installed outside the push-pull lead screw, three sets of the driven spur gears are correspondingly arranged, and the driving spur gear is engaged with the driven spur gear.
Technical Field
The invention relates to the field of motors, in particular to an auxiliary operation method of a brushless motor.
Background
The motor is also called as a motor, which is a device for converting electric energy into mechanical energy, and is further divided into a brush motor and a brushless motor, wherein the brushless motor is widely applied to the fields of office computer peripherals, electronic digital consumer products, industrial control, medical equipment, household appliances and the like because of the advantages of compact volume, high reliability, long service life, low noise and the like, but no matter the brushless motor or the brush motor has a fixed rotating speed under the same power condition, the power of the motor needs to be improved when the rotating speed of the motor is increased, but the motor is burnt once the power exceeds the maximum power of the motor, therefore, the inventor designs the brushless motor, and a user can manually control and change the distance between a coil/permanent magnet and an output shaft, namely, the torque of the output shaft, because the torque is in inverse proportion to the rotating speed, therefore, under the condition of the same power, the output rotating speed behind the output shaft can be increased, and the time for reducing the rotating speed of the brushless motor to zero can be shortened when the brushless motor is powered off and stops running.
Disclosure of Invention
In order to solve the disadvantages of the prior art, the present invention provides an auxiliary operation method for a brushless motor, in which a user can manually control and change the distance between the coil/permanent magnet and the output shaft, i.e. change the torque of the output shaft, and since the torque is inversely proportional to the rotation speed, the output rotation speed after the output shaft can be increased under the same power condition, and the time required for reducing the rotation speed of the brushless motor to zero when the brushless motor is powered off and stops operating can be shortened.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The high-efficiency speed regulating method of the brushless motor comprises the following steps:
a non-opening stage;
s1: after the brushless motor is electrified, the coil is fixed, and the permanent magnet pulls the output shaft to rotate through the mounting mechanism;
the mounting mechanism comprises a coil mounting component and a magnet mounting component, the coil mounting component comprises a coil pulling piece and a coil mounting piece, the magnet mounting component is positioned on one side of the coil pulling piece, which is far away from the power output end of the output shaft, and the magnet mounting component comprises a magnet pulling piece and a magnet mounting piece;
the coil pulling piece comprises a fixed cylinder and a pulling cylinder, the fixed cylinder is coaxially movably sleeved outside the output shaft and fixedly connected with a motor shell of the brushless motor, the pulling cylinder is positioned on one side, away from the power output end of the output shaft, of the fixed cylinder, the pulling cylinder is coaxially movably sleeved outside the output shaft and can move along the axial direction of the output shaft, a first hinge bulge is arranged on the outer circular surface of the fixed cylinder, a second hinge bulge is arranged on the outer circular surface of the pulling cylinder, the coil installing piece comprises a support, a connecting rod and a first push-pull rod, one end of the connecting rod is hinged with the first hinge bulge, the other end of the connecting rod is hinged with the support, the connecting rod is provided with two groups along the axial direction of the output shaft and is respectively a first connecting rod and a second connecting rod positioned on one side, facing the power output end of the output shaft, the other end of the coil is hinged with the first connecting rod, the second connecting rod and the push-pull rod are all positioned in the same plane, and the coil is fixed on the support;
the magnet pulling piece comprises an installation cylinder and a connecting cylinder, the installation cylinder is coaxially fixed outside the output shaft, the connecting cylinder is positioned on one side of the installation cylinder, which is far away from the power output end of the output shaft, the connecting cylinder is coaxially and movably sleeved outside the output shaft, the connecting cylinder can move along the axial direction of the output shaft, a first connecting bulge is arranged on the outer circular surface of the installation cylinder, a second connecting bulge is arranged on the outer circular surface of the connecting cylinder, the magnet installation piece comprises an installation plate, a support rod and a second push-pull rod, the installation plate is positioned between the coil and the output shaft, one end of the support rod is hinged with the first connecting bulge, the other end of the support rod is hinged with the installation plate, the support rod is provided with two groups in the axial direction of the output shaft, the first support rod is positioned between the first support rod and the coil pulling, the first support rod, the second support rod and the second push-pull rod are all positioned in the same plane, and the permanent magnet is fixed on the mounting plate;
after the brushless motor is electrified, the coil is fixed, and the permanent magnet/magnet mounting member/output shaft starts to rotate under the action of ampere force;
(II) auxiliary speed increasing stage;
s2: the user adjusts the distance between the permanent magnet and the output shaft through the adjusting mechanism;
the adjusting mechanism is positioned on one side of the magnet pulling piece, which is far away from the power output end of the output shaft, and comprises a controller, an adjusting motor and a push-pull component, wherein the adjusting motor is used for providing power for the operation of the push-pull component, the push-pull component is used for pulling the connecting cylinder to displace along the axial direction of the output shaft, and the controller is used for a user to manually control the opening and closing of the adjusting motor;
a user manually starts the adjusting motor through the controller, the adjusting motor runs and pulls the connecting cylinder to move far away from the power output end of the output shaft through the push-pull component, and the connecting cylinder moves and enables the mounting plate to move close to the output shaft through the cooperation among the push-pull rod II, the support rod I and the support rod II, so that the distance between the permanent magnet and the output shaft is reduced;
s3: a traction piece is arranged between the magnet pulling piece and the coil pulling piece, and the magnet pulling piece and the coil pulling piece are connected in a rotating fit manner through the traction piece;
the connecting cylinder moves away from the power output end of the output shaft and pulls the pulling cylinder to move synchronously through the traction piece, the pulling cylinder moves and enables the support to move close to the output shaft through the cooperation among the first push-pull rod, the first connecting rod and the second connecting rod, so that the distance between the coil and the output shaft is reduced, and the distance between the coil and the permanent magnet is unchanged;
s4: when the distance between the coil/permanent magnet and the output shaft reaches a proper value, a user manually turns off the adjusting motor through the controller, the torque of the output shaft is reduced, and the output rotating speed of the output shaft of the brushless motor is increased under the condition of the same power because the torque is inversely proportional to the rotating speed;
(III) auxiliary deceleration stage;
s5: when the brushless motor is powered off and stops running, a user can adjust the on/off of the motor through manual control, so that the distance between the coil/permanent magnet and the output shaft is increased, namely the torque of the output shaft is increased, and the time required for reducing the rotating speed of the output shaft of the brushless motor to zero is shortened because the torque is inversely proportional to the rotating speed.
As a further improvement of the present solution.
The coil is fixedly arranged on the support, a plurality of groups of coils are arranged in an array along the circumferential direction of the output shaft, a plurality of groups of coil mounting parts are arranged in a corresponding array, and a plurality of groups of hinge bulges I arranged on the outer circular surface of the fixed cylinder and a plurality of groups of hinge bulges II arranged on the outer circular surface of the pulling cylinder are arranged in a corresponding array;
permanent magnet fixed mounting on the mounting panel, the permanent magnet is provided with a plurality of groups and the magnet installed part corresponds the array along the circumferencial direction array of output shaft and has a plurality of groups to set up in the protruding one of connection of the outer disc of installation cylinder, set up in the protruding two of connection of the outer disc of connecting cylinder and all correspond the array and have a plurality of groups.
As a further improvement of the present solution.
The end surface of the pulling cylinder, which is far away from the power output end of the output shaft, is coaxially provided with a rotating sleeve, and the outer circular surface of the rotating sleeve is coaxially provided with a rotating groove in a ring groove structure;
the outer circular surface of the mounting cylinder is provided with a key groove penetrating through the axial thickness of the mounting cylinder;
the traction piece comprises a fixed rod and an embedding block, the embedding block is arranged in the rotary groove and is of an arc block structure coaxially arranged with the rotary groove, the extending direction of the fixed rod is parallel to the axial direction of the output shaft, one end of the fixed rod is fixedly connected with the connecting cylinder, and the other end of the fixed rod penetrates through the key groove and is fixedly connected with the embedding block;
the traction piece is provided with a plurality of groups along the circumferential direction array of the output shaft, the groups of the mosaic blocks are jointly spliced to form a mosaic ring of a complete circular ring structure coaxially arranged with the rotary groove, and the mosaic ring and the rotary groove are in running fit.
As a further improvement of the present solution.
The adjusting motor is fixed on a motor shell of the brushless motor, the adjusting motor and the brushless motor are coaxially arranged, and a power output end of the adjusting motor extends into the brushless motor;
the push-pull component comprises an installation disc, a push-pull sleeve, a push-pull lead screw and a gear transmission group, the installation disc is coaxially and movably installed outside the output shaft through a bearing, the axial direction of the push-pull lead screw is parallel to the axial direction of the output shaft, the push-pull lead screw is movably installed on the installation disc, two ends of the push-pull lead screw are respectively located on one side of the installation disc, and three groups of the push-pull lead screw are arrayed in the circumferential direction of the installation disc;
the end face, deviating from the power output end of the output shaft, of the connecting cylinder is coaxially provided with an installation sleeve, the push-pull sleeves are coaxially and movably installed outside the installation sleeve, the push-pull sleeves and the installation sleeve form rotating fit, the push-pull sleeves are further installed between the nuts and the push-pull lead screws, three groups of nuts are correspondingly arranged on the push-pull sleeves, and the push-pull lead screws rotate and pull the push-pull sleeves to displace along the axial direction of the output shaft;
the gear transmission set comprises a driving straight gear and a driven straight gear, the driving straight gear is coaxially and fixedly arranged outside the power output end of the adjusting motor, the driven straight gear is coaxially and fixedly arranged outside the push-pull screw rod, three groups of driven straight gears are correspondingly arranged, and the driving straight gear is meshed with the driven straight gear.
Compared with the prior art, the brushless motor has the advantages that after the brushless motor is electrified, the coil is fixed, and the permanent magnet/magnet mounting component/output shaft starts to rotate under the action of ampere force, wherein a user can manually control and adjust the on/off of the motor through the controller, so that the distance between the coil/permanent magnet and the output shaft is reduced, namely the torque of the output shaft is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
FIG. 4 is a schematic structural diagram of the mounting mechanism of the present invention.
Fig. 5 is a schematic structural view of a coil mounting member of the present invention.
FIG. 6 is a schematic diagram of the coil pulling member and the rotating shaft according to the present invention.
Fig. 7 is a schematic structural view of a coil mount of the present invention.
Fig. 8 is a schematic structural view of a magnet installation member of the present invention.
Fig. 9 is a schematic structural view of the magnet pulling member of the present invention.
Fig. 10 is a schematic view of the structure of the magnet mounting member of the present invention.
FIG. 11 is a schematic view of the coil pulling member and the magnet pulling member of the present invention.
FIG. 12 is a schematic view of the coil puller and the magnet puller of the present invention.
Fig. 13 is a schematic structural diagram of an adjusting mechanism of the present invention.
Fig. 14 is a schematic structural diagram of an adjusting mechanism of the present invention.
Figure 15 is a schematic view of the push-pull member of the present invention.
Fig. 16 is a schematic view of the engagement of the push-pull sleeve and connector barrel of the present invention.
Detailed Description
The high-efficiency speed regulating method of the brushless motor comprises the following steps:
a non-opening stage;
s1: after the
the
the
the
when
(II) auxiliary speed increasing stage;
s2: the user adjusts the distance between the
the
a user manually starts the adjusting
s3: a
the connecting
s4: when the distance between the
(III) auxiliary deceleration stage;
s5: when the
The invention has the advantages that the manual regulation and control of the torque of the output shaft of the brushless motor is adopted, after the brushless motor is electrified, the coil is fixed, the permanent magnet/magnet mounting member/output shaft starts to rotate under the action of ampere force, wherein the user can manually control and adjust the on/off of the motor through the controller, thereby reducing the distance between the coil/permanent magnet and the output shaft, that is, the torque of the output shaft is reduced, and the torque and the rotation speed are inversely proportional, so that the output rotation speed after the output shaft is increased under the same power condition, besides, when the brushless motor is powered off and stops running, a user can manually control and adjust the on-off of the motor and increase the distance between the coil/permanent magnet and the output shaft, that is, the torque of the output shaft is increased, thereby shortening the time required for the rotation speed of the present brushless motor to drop to zero.
The electric torque-converting permanent magnet brushless motor comprises a
When the
The mounting
The coil mounting member 210 includes a
The
One end of the first push-pull rod 2124 is hinged to the second hinge protrusion arranged on the outer circular surface of the pulling
The
When the pulling
The magnet mounting member 220 is located on the side of the
The
The
One end of the second push-
When the connecting
A pulling
The end surface of the pulling
The outer circular surface of the mounting
The
The
When the connecting
The
The adjusting
The push-
The end face of the connecting
The gear transmission set comprises a driving
The user can manually control the opening and closing of the
During actual operation, after the
a user manually controls and adjusts the opening and closing of the motor 310 through a controller, so as to determine the distance of the push-pull sleeve 321 which displaces along the axial direction of the output shaft 110, the push-pull sleeve 321 displaces and pulls the connecting cylinder 2212 to synchronously displace, the connecting cylinder 2212 displaces along the axial direction of the output shaft 110 and pulls the pull cylinder 2112 to synchronously displace through the pulling piece 400, when the connecting cylinder 2212 displaces along the axial direction of the output shaft 110, the connecting cylinder 2221 can move close to or away from the output shaft 110 through the matching among the push-pull rod two 2224, the supporting rod one 2222 and the supporting rod two 2223, namely, the distance between the permanent magnet 130 and the output shaft 110 is changed, when the pull cylinder 2112 displaces along the axial direction of the output shaft 110, the bracket 2121 can move close to or away from the output shaft 110 through the matching among the push-pull rod one 2124, the connecting rod one 2122 and the connecting rod two 2123, specifically, the torque of the output shaft 110 is changed by changing the distance between the coil 120 and the output shaft 110, and specifically, since the torque and the rotation speed are inversely proportional, the decrease/increase of the distance between the coil 120/the permanent magnet 130 and the output shaft 110 decreases/increases the torque of the output shaft 110, so that the output rotation speed of the output shaft 110 is increased/decreased under the same power condition, the former condition can be used for increasing the output rotation speed after the brushless motor starts to work, and the latter condition can be used for shortening the time required for reducing the rotation speed to zero when the brushless motor stops working.
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