CN116545179B - Low-voltage high-current high-efficiency permanent magnet synchronous servo motor - Google Patents

Low-voltage high-current high-efficiency permanent magnet synchronous servo motor Download PDF

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Publication number
CN116545179B
CN116545179B CN202310494412.4A CN202310494412A CN116545179B CN 116545179 B CN116545179 B CN 116545179B CN 202310494412 A CN202310494412 A CN 202310494412A CN 116545179 B CN116545179 B CN 116545179B
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Prior art keywords
liquid cooling
piece
relay
speed
wheel
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CN202310494412.4A
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CN116545179A (en
Inventor
杨路
魏海峰
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Changzhou Baolong Motor Co ltd
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Changzhou Baolong Motor Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/32Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a low-voltage high-current high-efficiency permanent magnet synchronous servo motor, which comprises: a servo motor; the variable-speed wind power radiating piece comprises a wind power variable-speed power piece and a wind power variable-speed piece, wherein the wind power variable-speed power piece is arranged on a rotor of the servo motor and transmits the rotating speed of the wind power variable-speed power piece to the connected wind power variable-speed piece after the rotating speed of the wind power variable-speed power piece is changed; the variable speed liquid cooling heat dissipation piece, variable speed liquid cooling heat dissipation piece includes liquid cooling variable speed power piece, liquid cooling variable speed piece and liquid cooling infusion piece, liquid cooling variable speed power piece is in on the rotor, liquid cooling variable speed piece is in liquid cooling variable speed power piece is last cooperatively with the speed change of servo motor is back transfer to be connected on the liquid cooling infusion piece. The invention has reasonable structural design, high automation degree, high output efficiency of the servo motor and high heat dissipation efficiency of the servo motor, can obviously prolong the service life of the servo motor and obviously reduce the failure rate and the volume of the servo motor.

Description

Low-voltage high-current high-efficiency permanent magnet synchronous servo motor
Technical Field
The invention relates to the technical field of servo motors, in particular to a low-voltage high-current high-efficiency permanent magnet synchronous servo motor.
Background
The motor is a common power source, has a very wide application range and generally comprises various types, such as a stepping motor, a servo motor and the like, wherein the servo motor converts a voltage signal into torque and rotating speed to drive a control object, the control speed and the position accuracy are accurate, the motor is usually used as an important component in a servo system to realize power output, and the servo motor needs to meet the requirement of high-speed operation, so that the motor is very important for cooling and heat dissipation of the servo motor. Particularly, for a high-power servo motor, heat dissipation in the operation process is directly related to the service life of the high-power servo motor, and if the working temperature of the motor is too high, faults can occur, so that the service life is shortened. The existing servo motor heat dissipation system adopts an independent wind power heat dissipation system and a liquid cooling heat dissipation system, when the wind power heat dissipation system is adopted, power is provided through a rotating shaft of the servo motor, when the servo motor works with low-speed high-torque output, the heat productivity of the servo motor is abnormally increased, and at the moment, the heat dissipation requirement cannot be met by means of the wind power heat dissipation system with the rotating speed of the servo motor, so that the servo motor is failed and the service life is reduced. When the liquid cooling system is used alone, the volume of the servo motor is often increased abnormally, and the application range of the servo motor is obviously reduced.
Disclosure of Invention
In order to overcome the defects, the invention provides a low-voltage high-current high-efficiency permanent magnet synchronous servo motor, which adopts the following technical scheme:
A low voltage high current high efficiency permanent magnet synchronous servo motor comprising:
A servo motor;
The variable-speed wind power radiating piece is arranged on the servo motor and comprises a wind power variable-speed power piece and a wind power variable-speed piece, wherein the wind power variable-speed power piece is arranged on a rotor of the servo motor and transmits the rotating speed of the wind power variable-speed power piece to the connected wind power variable-speed piece after the rotating speed of the wind power variable-speed power piece is changed so as to generate wind power to radiate heat of the servo motor;
The variable speed liquid cooling heat dissipation piece is arranged on the servo motor, the variable speed liquid cooling heat dissipation piece comprises a liquid cooling variable speed power piece, a liquid cooling variable speed piece and a liquid cooling infusion piece, the liquid cooling variable speed power piece is arranged on the rotor, the liquid cooling variable speed piece is used for cooperatively transmitting the rotating speed of the servo motor to the connected liquid cooling infusion piece after being variable speed, so that liquid cooling liquid in the liquid cooling infusion piece circularly extrudes and flows through a stator of the servo motor to dissipate heat of the servo motor.
Preferably, the wind-force variable-speed power piece includes first action wheel and magnetic force coil, first action wheel is round platform form, first action wheel suit is in on the first pivot one end of rotor, and first slider on the first action wheel with first spout cooperation on the first pivot one end.
Preferably, the wind power speed changing piece comprises a wind power relay friction piece and a speed changing wind power piece, and the wind power relay friction piece and the speed changing wind power piece are arranged on the wind power speed changing power piece; the wind power relay friction piece comprises a relay stabilizer bar and a relay friction wheel, one end of the relay stabilizer bar is hinged to the outer side face of one end of a motor casing of the servo motor, and the relay stabilizer bar swings around the hinged position along the radial direction of the end face of the motor casing; one end of a second rotating shaft on the relay friction wheel is hinged to the other end of the relay stabilizer bar, and the second rotating shaft swings around the hinge of the second rotating shaft on the swinging surface of the relay stabilizer bar; the side face of the relay friction wheel is in friction fit with the inclined face of the first driving wheel.
Preferably, the variable-speed wind power component comprises a force application stabilizing frame, a wind force application wheel and wind power blades, one end of the force application stabilizing frame is fixedly arranged on one end face of the first driving wheel, and a plurality of force application stabilizing frames are uniformly distributed on the first driving wheel along the circumferential direction; the wind force application wheel is provided with a first reducing hole, one end of the wind force application wheel is provided with a first annular groove, the wind force application wheel is sleeved on the other ends of the force application stabilizing frames through the first annular groove, the wind force application wheel is sleeved outside the first driving wheel, and meanwhile, the inner side surface of the first reducing hole is in friction fit transmission with the relay friction wheel.
Preferably, the liquid cooling variable speed power piece includes second action wheel and transfer line, the second action wheel is round platform form, the second action wheel suit is in the first pivot, and the second slider on the second action wheel inner race with first spout cooperation, transfer line one end sets up on the second action wheel one end, the transfer line other end runs through behind the rotor with the bearing inner race of motor casing department of running through sets up on the other end of first action wheel.
Preferably, the liquid cooling speed changing part comprises a liquid cooling relay friction part and a speed changing liquid cooling power part, the liquid cooling relay friction part has the same structure as the wind power relay friction part, one end of a relay stabilizer bar of the liquid cooling relay friction part is hinged on one end surface of the motor shell, and the swinging mode of the relay stabilizer bar of the liquid cooling relay friction part around the hinge joint of the relay stabilizer bar is the same as the swinging mode of the relay stabilizer bar around the hinge joint of the relay stabilizer bar; the hinge mode of the relay friction wheel of the liquid cooling relay friction piece and the other end of the relay stabilizer bar of the liquid cooling relay friction piece is the same as the hinge mode of the second rotating shaft and the other end of the relay stabilizer bar; and the relay friction wheel of the liquid cooling relay friction piece is in friction fit transmission with the outer side surface of the second driving wheel.
Preferably, the variable speed liquid cooling power piece comprises a support bearing, a liquid cooling force application wheel and a liquid cooling transmission stabilizing frame, wherein the support bearing is embedded on the inner wall of the motor shell, a second reducing hole is formed in the liquid cooling force application wheel, the liquid cooling force application wheel is embedded in an inner ring of the support bearing, and a second sliding groove on the liquid cooling force application wheel is matched with a third sliding block on the support bearing; meanwhile, the wall of the second reducing hole is in friction fit transmission with a relay friction wheel of the liquid cooling relay friction piece; the first end of the liquid cooling transmission stabilizing frame is connected to one end face of the liquid cooling force applying wheel, and the second end of the liquid cooling transmission stabilizing frame is embedded in a second annular groove at the other end of the second driving wheel, so that the liquid cooling force applying wheel circumferentially rotates around the second driving wheel, and the liquid cooling force applying wheel and the second driving wheel are axially locked; the liquid cooling transmission stabilizing frames are uniformly distributed around the liquid cooling force applying wheel in the circumferential direction, so that the third end of the liquid cooling transmission stabilizing frames can be driven to rotate around the first rotating shaft when the liquid cooling force applying wheel rotates.
Preferably, the liquid cooling transfusion part comprises a liquid cooling transfusion transmission part and a liquid cooling radiating part, wherein the liquid cooling transfusion transmission part is arranged on the variable speed liquid cooling power part, and the liquid cooling radiating part is arranged on the motor shell; the liquid cooling transfusion transmission piece comprises a driven pipe and a transmission wheel, one end of the driven pipe is sleeved on the third end of the liquid cooling transmission stabilizing frame, and a plurality of driven pipes are sleeved on the third ends of the liquid cooling transmission stabilizing frames one by one correspondingly; the driving wheels are fixedly sleeved on the other ends of the driven pipes, and force application driving lugs are arranged on the side surfaces of the driving wheels.
Preferably, the liquid cooling heat dissipation part comprises a liquid cooling guide groove and a liquid cooling heat dissipation heat conduction part, wherein the liquid cooling guide groove is in a circular groove shape, the liquid cooling guide groove is embedded on the inner wall of the motor shell, and the notch of the liquid cooling guide groove is sleeved on the force application transmission lug; the liquid cooling heat conduction member comprises a liquid cooling bag and an external liquid cooling heat dissipation plate, the liquid cooling bag is arranged in the liquid cooling guide groove, and the external liquid cooling heat dissipation plate is arranged on the motor shell; the liquid cooling bag comprises a first extrusion pipe, a second extrusion pipe, a liquid storage bag and a reset spring, one end of the first extrusion pipe is arranged in the liquid cooling guide groove, the other end of the second extrusion pipe is sleeved on the other end of the first extrusion pipe, the liquid storage bag is embedded in the first extrusion pipe and the second extrusion pipe, and the reset spring is embedded in the liquid storage bag; the two liquid cooling capsules are circumferentially distributed in the liquid cooling guide groove.
Preferably, the external liquid cooling heat dissipation plate is hollow and tubular, one end of the external liquid cooling heat dissipation plate is in through connection with one end of a first liquid cooling hole on the stator, the other end of the first liquid cooling hole is in through connection with a first hose, the other end of the first hose is in through connection with the end part of the liquid storage bag, and a first one-way valve is arranged on the first hose; the other end of the external liquid cooling heat dissipation plate is connected with a second hose, the other end of the second hose is connected to a liquid storage bag of the other liquid cooling bag in a penetrating way, and a second one-way valve is arranged on the second hose; the two external liquid cooling radiating plates are arranged on the motor shell, one end of the other external liquid cooling radiating plate is in through connection with one end of a second liquid cooling hole in the stator, and the other end of the second liquid cooling hole is in through connection with a third hose; the other end of the third hose is connected to the liquid storage bag of the other liquid cooling bag in a penetrating way, and a third one-way valve is arranged on the third hose; the other end of the external liquid cooling heat dissipation plate is communicated with a fourth hose, the other end of the fourth hose is communicated with the side wall of the liquid storage bag, and a fourth one-way valve is arranged on the fourth hose; the liquid cooling heat dissipation heat conduction piece is provided with many sets, and many sets liquid cooling heat dissipation heat conduction piece is followed the circumference evenly distributed of motor casing.
The invention at least comprises the following beneficial effects:
1) The low-voltage high-current high-efficiency permanent magnet synchronous servo motor has reasonable structural design, high automation degree, high output efficiency of the servo motor and high heat dissipation efficiency of the servo motor, can remarkably improve the service life of the servo motor, and remarkably reduces the failure rate and the volume of the servo motor;
2) The variable-speed wind power heat dissipation part is arranged on the servo motor, automatically adjusts the heat dissipation air quantity according to the temperature of the servo motor in an automatic speed changing way to dissipate heat of the servo motor, and can remarkably reduce the power efficiency of the variable-speed wind power heat dissipation part to the servo motor while remarkably improving the heat dissipation efficiency of the servo motor;
3) The low-voltage high-current high-efficiency permanent magnet synchronous servo motor is provided with the liquid cooling variable-speed power piece, the liquid cooling variable-speed piece and the liquid cooling infusion piece, the liquid cooling variable-speed power piece and the liquid cooling variable-speed piece automatically change speed on the servo motor according to the temperature of the servo motor to adjust the frequency of extruding the liquid cooling infusion piece, so that the heat dissipation efficiency of the liquid cooling infusion piece on the servo motor is controlled, and the heat dissipation efficiency of the servo motor is further improved through the cooperation of the liquid cooling infusion piece and the variable-speed wind power heat dissipation piece, so that the manufacturing volume of the servo motor is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view of a low-voltage high-current high-efficiency permanent magnet synchronous servo motor of the invention;
FIG. 2 is a front end view of the low voltage high current high efficiency permanent magnet synchronous servo motor of the present invention;
FIG. 3 is a schematic perspective view of a low-voltage high-current high-efficiency permanent magnet synchronous servo motor according to the present invention;
FIG. 4 is a front view of the section in the direction A-A of FIG. 2 of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor of the present invention;
FIG. 5 is a schematic diagram of the front end perspective structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the section A-A direction in FIG. 2;
FIG. 6 is a schematic diagram of the rear end perspective structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the direction A-A in FIG. 2;
FIG. 7 is a schematic view showing a perspective sectional structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the direction B-B in FIG. 1;
FIG. 8 is a schematic view of a three-dimensional cross-sectional structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the direction C-C in FIG. 1;
FIG. 9 is a schematic view of a perspective sectional structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the direction D-D in FIG. 1;
FIG. 10 is a schematic view of a perspective sectional structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the direction E-E in FIG. 1;
FIG. 11 is a schematic view of a perspective sectional structure of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor in the F-F direction in FIG. 1;
FIG. 12 is a schematic view showing a three-dimensional structure of the G-G directional section in FIG. 1 of the low-voltage high-current high-efficiency permanent magnet synchronous servo motor of the present invention.
Wherein: the device comprises a motor shell, a 2-stator, a 3-rotor, a 4-first driving wheel, a 5-magnetic coil, a 6-first rotating shaft, a 7-relay stabilizer bar, an 8-relay friction wheel, a 9-force application stabilizer, a 10-wind force application wheel, 11-wind blades, a 12-fan housing, a 13-second driving wheel, a 14-transmission bar, a 15-support bearing, a 16-liquid cooling force application wheel, a 17-liquid cooling transmission stabilizer, a 18-driven pipe, a 19-transmission wheel, a 20-force application transmission lug, a 21-liquid cooling guide groove, a 22-liquid cooling bag and a 23-external liquid cooling heat dissipation plate.
Detailed Description
The technical solution of the present invention will be described in detail below by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.
According to the figures 1-12, the low-voltage high-current high-efficiency permanent magnet synchronous servo motor comprises a servo motor, a variable speed wind power heat dissipation part and a variable speed liquid cooling heat dissipation part, wherein the variable speed wind power heat dissipation part and the variable speed liquid cooling heat dissipation part are both arranged on the servo motor. The servo motor comprises a motor shell 1, a stator 2 and a rotor 3, wherein the stator 2 is fixedly embedded in the motor shell 1, two ends of a rotating shaft of the rotor 3 penetrate through two end faces of the motor shell 1 respectively through bearings, and the rotor 3 penetrates through the stator 2, so that the rotor 3 can rotate freely in the motor shell 1 and the stator 2.
The variable-speed wind power radiating piece comprises a wind power variable-speed power piece and a wind power variable-speed piece, wherein the wind power variable-speed power piece is arranged on the rotor 3, and the wind power variable-speed piece is arranged on the wind power variable-speed power piece. The wind power variable speed power piece comprises a first driving wheel 4 and a magnetic coil 5, the first driving wheel 4 is in a round table shape, the first driving wheel 4 is sleeved on one end of a first rotating shaft 6 of the rotor 3, and a first sliding block on an inner ring of the first driving wheel 4 is matched with a first sliding groove on one end of the first rotating shaft 6. So that the first rotating shaft 6 drives the first driving wheel 4 to rotate through the first sliding block and the first sliding groove, and the first driving wheel 4 slides on the first rotating shaft 6 along the axial direction through the first sliding block and the first sliding groove.
The wind power speed changing piece comprises a wind power relay friction piece and a speed changing wind power piece, and the wind power relay friction piece and the speed changing wind power piece are both arranged on the wind power speed changing power piece. The wind power relay friction piece comprises a relay stabilizer 7 and a relay friction wheel 8, wherein one end of the relay stabilizer 7 is hinged to the outer side face of one end of the motor casing 1, so that the relay stabilizer 7 can only swing along the radial direction of the end face of the motor casing 1 around the hinged position. One end of a second rotating shaft on the relay friction wheel 8 is hinged to the other end of the relay stabilizer 7, so that the second rotating shaft can only swing around the hinge of the second rotating shaft on the swinging surface of the relay stabilizer 7, and the second rotating shaft and the relay stabilizer 7 cannot rotate relatively circumferentially and can only swing relatively on the same plane. The swinging surface of the second rotating shaft on the relay stabilizer 7 is overlapped with the swinging surface of the relay stabilizer 7 on the outer side surface of one end of the motor casing 1. The relay friction wheel 8 is capable of freely rotating circumferentially on the second rotating shaft. The side surface of the relay friction wheel 8 is in friction fit with the inclined surface of the first driving wheel 4, and when the first driving wheel 4 rotates, the relay friction wheel 8 is driven to rotate on the second rotating shaft. When the first driving wheel 4 slides along the axial direction, the first driving wheel 4 can move relative to the relay friction wheel 8 in the axial direction, and after the first driving wheel 4 moves in the axial direction, the relay friction wheel 8 can still be in friction fit transmission with the first driving wheel 4.
The variable speed wind power piece comprises a force application stabilizing frame 9, a wind force application wheel 10 and a wind force blade 11, one end of the force application stabilizing frame 9 is fixedly arranged on one end face of the first driving wheel 4, and the other end of the force application stabilizing frame 9 is used for stably supporting the wind force application wheel 10. The force application stabilizing frames 9 are arranged in four, and the four force application stabilizing frames 9 are uniformly distributed on the first driving wheel 4 along the circumferential direction. The wind force application wheel 10 is provided with a first reducing hole, and the inclination of the first reducing hole is the same as the inclination of the outer side surface of the first driving wheel 4. One end of the wind force application wheel 10 is provided with a first annular groove, the wind force application wheel 10 is sleeved on the other ends of the four force application stabilizing frames 9 through the first annular groove, the wind force application wheel 10 is sleeved outside the first driving wheel 4, and meanwhile, the inner side surface of the first reducing hole is in friction fit transmission with the relay friction wheel 8. The wind force application wheel 10 circumferentially rotates around the first driving wheel 4 on the force application stabilizing frame 9, and the wind force application wheel 10 is axially locked with the first driving wheel 4 through the force application stabilizing frame 9, so that the wind force application wheel 10 and the first driving wheel 4 are driven to move in the same direction and at the same speed through the force application stabilizing frame 9 when the first driving wheel 4 axially slides. And then the first driving wheel 4 drives the wind force application wheel 10 to rotate through the relay friction wheel 8 when rotating, and then the wind force application wheel 10 is decelerated and then drives the wind blade 11 to rotate, so that the wind force of the servo motor is reduced.
When the first driving wheel 4 is driven by the magnetic coil 5to move along the axial direction, the wind force applying wheel 10 is driven to move along the same direction and at the same speed, and because the relay friction wheel 8 is pulled by the relay stabilizer 7, at the moment, the relay friction wheel 8 moves relatively to the outer side surface of the first driving wheel 4 and the inner side surface of the wind force applying wheel 10 in the axial direction, so that the reduction ratio of the wind force applying wheel 10 to the first driving wheel 4 is changed, the variable speed rotation of the wind force applying wheel 10 is realized, the wind force cooling efficiency is improved according to the heating capacity adaptability of the servo motor, the cooling requirement of the servo motor is met, and meanwhile, the consumption of the variable speed wind heat dissipation part to the power of the second rotating shaft of the servo motor is further reduced.
Further, a fan housing 12 is sleeved at one end of the motor casing 1 outside the variable speed wind power heat dissipation member, and the fan housing 12 is used for guiding wind collected by wind generated by the variable speed wind power heat dissipation member to the external liquid cooling heat dissipation plate 23 directly blowing to the outer surface of the motor casing 1 so as to improve the cooling efficiency of the servo motor.
The variable speed liquid cooling heat dissipation piece includes liquid cooling variable speed power spare, liquid cooling variable speed spare and liquid cooling infusion spare, liquid cooling variable speed power spare sets up on the rotor 3, liquid cooling variable speed spare sets up on the liquid cooling variable speed power spare, liquid cooling infusion spare sets up on the motor casing 1. The liquid cooling variable speed power piece comprises a second driving wheel 13 and a transmission rod 14, wherein the second driving wheel 13 is in a round table shape, the second driving wheel 13 is sleeved on the first rotating shaft 6, a second sliding block on an inner ring of the second driving wheel 13 is matched with the first sliding groove, and meanwhile, the second driving wheel 13 is positioned in the motor casing 1. So that the first rotating shaft 6 drives the second driving wheel 13 to rotate through the second sliding block and the first sliding groove, and the second driving wheel 13 axially slides on the second rotating shaft through the second sliding block and the first sliding groove. One end of the transmission rod 14 is horizontally and fixedly arranged on one end face of the second driving wheel 13, and the other end of the transmission rod 14 penetrates through the inner ring of the bearing and is horizontally and fixedly arranged on the other end face of the first driving wheel 4. So that the transmission rod 14 can move axially on the bearing. So that the first driving wheel 4 can drive the second driving wheel 13 to move along the same axial direction and at the same speed through the transmission rod 14. In particular, the transmission rods 14 are provided with four, and the four transmission rods 14 are uniformly distributed around the circumference of the first rotation shaft 6.
The liquid cooling speed change piece comprises a liquid cooling relay friction piece and a speed change liquid cooling power piece, the liquid cooling relay friction piece and the wind power relay friction piece are identical in structure, one end of a relay stabilizer 7 of the liquid cooling relay friction piece is hinged to one end face of the motor casing 1, and the swinging mode of the relay stabilizer 7 of the liquid cooling relay friction piece around the hinge position of the relay stabilizer 7 is identical to the swinging mode of the relay stabilizer 7 around the hinge position of the relay stabilizer. The hinge mode of the relay friction wheel 8 of the liquid cooling relay friction piece and the other end of the relay stabilizer 7 of the liquid cooling relay friction piece is the same as the hinge mode of the second rotating shaft and the other end of the relay stabilizer 7. And the relay friction wheel 8 of the liquid cooling relay friction piece is in friction fit transmission with the outer side surface of the second driving wheel 13.
The variable speed liquid cooling power piece comprises a support bearing 15, a liquid cooling force applying wheel 16 and a liquid cooling transmission stabilizing frame 17, wherein the support bearing 15 is fixedly embedded on the inner wall of the motor casing 1 so as to be used for supporting the liquid cooling force applying wheel 16. The liquid cooling force applying wheel 16 is provided with a second reducing hole, and the inclination of the second reducing hole is the same as the inclination of the outer side surface of the second driving wheel 13. The liquid cooling force applying wheel 16 is embedded in the inner ring of the support bearing 15, and a second sliding groove on the outer side of the liquid cooling force applying wheel 16 is matched with a third sliding block on the inner ring of the support bearing 15. And meanwhile, the wall of the second reducing hole is in friction fit transmission with the relay friction wheel 8 of the liquid cooling relay friction piece. So that the liquid-cooled urging wheel 16 slides axially in the support bearing 15 through the second chute and the third slider. The first end of the liquid cooling transmission stabilizing frame 17 is fixedly connected to one end face of the liquid cooling force applying wheel 16, and the second end of the liquid cooling transmission stabilizing frame 17 is embedded in a second annular groove on the other end of the second driving wheel 13, so that the liquid cooling force applying wheel 16 can circumferentially rotate around the second driving wheel 13, and the liquid cooling force applying wheel 16 and the second driving wheel 13 are axially locked. The liquid cooling transmission stabilizing frames 17 are four, and the four liquid cooling transmission stabilizing frames 17 are uniformly distributed around the liquid cooling force application wheel 16 in the circumferential direction. So that the third end of the liquid cooling driving stabilizing frame 17 can be driven to rotate around the first rotating shaft 6 when the liquid cooling force applying wheel 16 rotates. When the first rotating shaft 6 drives the second driving wheel 13 to rotate, the second driving wheel 13 drives the liquid cooling force application wheel 16 to rotate after being decelerated by the relay friction wheel 8 of the liquid cooling relay friction piece. The liquid cooling force application wheel 16 provides power for the liquid cooling infusion part through the liquid cooling transmission stabilizing frame 17.
The liquid cooling transfusion part comprises a liquid cooling transfusion transmission part and a liquid cooling radiating part, wherein the liquid cooling transfusion transmission part is arranged on the variable speed liquid cooling power part, and the liquid cooling radiating part is arranged on the motor casing 1. The liquid cooling transfusion driving piece comprises a driven pipe 18 and a driving wheel 19, one end of the driven pipe 18 is sleeved on the third end of the liquid cooling driving stabilizing frame 17, and the driven pipe 18 can axially slide on the third end of the liquid cooling driving stabilizing frame 17. The driven pipes 18 are four, and the four driven pipes 18 are sleeved on the third ends of the four liquid cooling transmission stabilizing frames 17 one by one. The driving wheel 19 is fixedly sleeved on the other ends of the four driven pipes 18 so as to rotate around the first rotating shaft 6 along with the third ends of the four liquid cooling transmission stabilizing frames 17. The side of the driving wheel 19 is provided with a force application driving lug 20, and one side of the force application driving lug 20 and the side of the driving wheel 19 are gently excessive, so that the force application driving lug 20 rotating along with the driving wheel 19 slowly extrudes the liquid cooling radiating piece, and liquid cooling liquid stored in the liquid cooling radiating piece is extruded into a liquid cooling hole in the stator 2. Alternatively, two force application driving lugs 20 are provided, and the two force application driving lugs 20 are uniformly distributed along the circumference of the driving wheel 19.
The liquid cooling heat dissipation piece includes liquid cooling guide way 21 and liquid cooling heat dissipation heat conduction piece, liquid cooling guide way 21 sets up on the motor casing 1, liquid cooling heat dissipation heat conduction piece sets up in the liquid cooling guide way 21. The liquid cooling guide groove 21 is in a circular ring groove shape, the groove bottom of the liquid cooling guide groove 21 is fixedly embedded on the inner wall of the motor casing 1, and the notch of the liquid cooling guide groove 21 is sleeved on the force application transmission lug 20. So that the driving wheel 19 always presses the liquid cooling bag 22 in the liquid cooling guide groove 21 according to a predetermined frequency during rotation, so that the liquid cooling liquid in the liquid cooling bag 22 is pressed into the liquid cooling hole on the stator 2, and then flows to the external liquid cooling plate 23.
The liquid cooling heat conduction member comprises a liquid cooling bag 22 and an external liquid cooling heat dissipation plate 23, wherein the liquid cooling bag 22 is arranged in the liquid cooling guide groove 21, and the external liquid cooling heat dissipation plate 23 is arranged on the motor casing 1. The liquid cooling bag 22 comprises a first extrusion pipe, a second extrusion pipe, a liquid storage bag and a reset spring, one end face of the first extrusion pipe is closed, one end of the first extrusion pipe is fixedly arranged at the bottom of the liquid cooling guide groove 21, and the axis of the first extrusion pipe coincides with the radial line of the liquid cooling guide groove 21. One end face of the second extrusion pipe is closed, the other end of the second extrusion pipe is sleeved on the other end of the first extrusion pipe, and when the second extrusion pipe is rotated and the force application transmission lug 20 is extruded along the radial direction, the second extrusion pipe can move towards the first extrusion pipe along the axial direction so as to extrude the liquid storage bag inside the second extrusion pipe. The liquid storage bag is embedded in the first extrusion pipe and the second extrusion pipe, and the reset spring is embedded in the liquid storage bag. When the driving wheel 19 continues to rotate by a preset angle, the force application driving lug 20 stops extruding the second extruding pipe, and the reset spring jacks up and resets the liquid storage bag and the second extruding pipe. The number of the liquid cooling bags 22 is two, and the two liquid cooling bags 22 are circumferentially distributed in the liquid cooling guide groove 21.
The external liquid cooling heat dissipation plate 23 is arc-shaped plate, the external liquid cooling heat dissipation plate 23 is hollow tubular, one end of the external liquid cooling heat dissipation plate 23 is in through connection with one end of a first liquid cooling hole on the stator 2, the other end of the first liquid cooling hole is in through connection with a first hose, and the other end of the first hose penetrates through one end face of the first extrusion pipe and then is in through connection with the end part of the liquid storage bag. The first hose is provided with a first one-way valve. The other end of the external liquid cooling heat dissipation plate 23 is connected with a second hose, the other end of the second hose is connected to the side wall of the liquid storage bag of the other liquid cooling bag 22 in a penetrating way, and a second one-way valve is arranged on the second hose. When the liquid storage bag is extruded, liquid cooling liquid stored in the liquid storage bag is extruded from the first hose to enter the first liquid cooling hole to absorb heat and cool the stator 2, then flows to the external liquid cooling heat dissipation plate 23, the liquid cooling liquid is cooled on the external liquid cooling heat dissipation plate 23, and the cooled liquid cooling liquid enters the liquid storage bag of the other liquid cooling bag 22 through the second hose. The two external liquid cooling heat dissipation plates 23 are arranged, the two external liquid cooling heat dissipation plates 23 are arranged on the motor casing 1, one end of the other external liquid cooling heat dissipation plate 23 is in through connection with one end of a second liquid cooling hole on the stator 2, and the other end of the second liquid cooling hole is in through connection with a third hose. The other end of the third hose is connected to the end of the liquid storage bag of the other liquid cooling bag 22 in a penetrating way, and a third one-way valve is arranged on the third hose. The other end of the external liquid cooling heat dissipation plate 23 is connected with a fourth hose in a penetrating way, the other end of the fourth hose is connected with the side wall of the liquid storage bag in a penetrating way, and a fourth one-way valve is arranged on the fourth hose. When the liquid storage bag of the other liquid cooling bag 22 is extruded, the liquid cooling liquid in the liquid storage bag is extruded from the third hose to enter the second liquid cooling hole to cool the stator 2, and then flows onto the other external liquid cooling heat dissipation plate 23, and the liquid cooling liquid is cooled on the external liquid cooling heat dissipation plate 23 and flows into the liquid storage bag through the fourth hose. The liquid cooling heat dissipation heat conduction piece forms a group of liquid cooling circulation systems for the stator 2 through the two liquid cooling bags 22, the first liquid cooling holes, the second liquid cooling holes and the two external liquid cooling heat dissipation plates 23. Further, the two liquid cooling capsules 22 of one set of the liquid cooling heat dissipation heat conduction member are not extruded at the same time.
Alternatively, the liquid cooling bag 22 further includes a planar sliding member, where the planar sliding member includes a planar sliding plate and a needle roller, one end surface of the planar sliding plate is fixedly disposed on one end surface of the second extrusion tube, and the needle roller is disposed on the other end surface of the planar sliding plate, so that the needle roller can roll circumferentially on the planar sliding plate. The second extrusion pipe is directly connected with the force application transmission lug 20 in a rolling way through the rolling pin, so that the transverse friction force between the second extrusion pipe and the force application transmission lug 20 is reduced, the transverse friction force of the force application transmission lug 20 to the second extrusion pipe when the second extrusion pipe is extruded is reduced, and the extrusion stability of the second extrusion pipe and the first extrusion pipe is improved.
The liquid cooling heat dissipation heat conduction piece is provided with eight sets, eight sets liquid cooling heat dissipation heat conduction piece is followed the circumference evenly distributed of motor casing 1.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (4)

1. A low-voltage high-current high-efficiency permanent magnet synchronous servo motor, comprising:
A servo motor;
The variable-speed wind power radiating piece is arranged on the servo motor and comprises a wind power variable-speed power piece and a wind power variable-speed piece, wherein the wind power variable-speed power piece is arranged on a rotor of the servo motor and transmits the rotating speed of the wind power variable-speed power piece to the connected wind power variable-speed piece after the rotating speed of the wind power variable-speed power piece is changed so as to generate wind power to radiate heat of the servo motor;
The variable speed liquid cooling heat dissipation part is arranged on the servo motor and comprises a liquid cooling variable speed power part, a liquid cooling variable speed part and a liquid cooling transfusion part, wherein the liquid cooling variable speed power part is arranged on the rotor, and the liquid cooling variable speed part is used for cooperatively transmitting the rotating speed of the servo motor to the connected liquid cooling transfusion part after speed change on the liquid cooling variable speed power part so as to circularly squeeze liquid cooling liquid in the liquid cooling transfusion part to flow through a stator of the servo motor to dissipate heat of the servo motor;
The wind power variable speed power piece comprises a first driving wheel and a magnetic coil, the first driving wheel is in a round table shape, the first driving wheel is sleeved on one end of a first rotating shaft of the rotor, and a first sliding block on the first driving wheel is matched with a first sliding groove on one end of the first rotating shaft; the wind power speed changing piece comprises a wind power relay friction piece and a speed changing wind power piece, and the wind power relay friction piece and the speed changing wind power piece are both arranged on the wind power speed changing power piece; the wind power relay friction piece comprises a relay stabilizer bar and a relay friction wheel, one end of the relay stabilizer bar is hinged to the outer side face of one end of a motor casing of the servo motor, and the relay stabilizer bar swings around the hinged position along the radial direction of the end face of the motor casing; one end of a second rotating shaft on the relay friction wheel is hinged to the other end of the relay stabilizer bar, and the second rotating shaft swings around the hinge of the second rotating shaft on the swinging surface of the relay stabilizer bar; the side surface of the relay friction wheel is in friction fit with the inclined surface of the first driving wheel; the variable speed wind power piece comprises a force application stabilizing frame, a wind force application wheel and wind power blades, one end of the force application stabilizing frame is fixedly arranged on one end face of the first driving wheel, and a plurality of force application stabilizing frames are uniformly distributed on the first driving wheel along the circumferential direction; the wind force application wheel is provided with a first reducing hole, one end of the wind force application wheel is provided with a first annular groove, the wind force application wheel is sleeved on the other ends of the force application stabilizing frames through the first annular groove at the same time, the wind force application wheel is sleeved outside the first driving wheel, and meanwhile, the inner side surface of the first reducing hole is in friction fit transmission with the relay friction wheel;
The liquid cooling speed change power piece comprises a second driving wheel and a transmission rod, the second driving wheel is in a round table shape, the second driving wheel is sleeved on the first rotating shaft, a second sliding block on the inner ring of the second driving wheel is matched with the first sliding groove, one end of the transmission rod is arranged on one end face of the second driving wheel, and the other end of the transmission rod penetrates through the inner ring of the bearing at the penetrating position of the rotor and the motor shell and is arranged on the other end face of the first driving wheel; the liquid cooling speed change part comprises a liquid cooling relay friction part and a speed changing liquid cooling power part, the liquid cooling relay friction part has the same structure as the wind power relay friction part, one end of a relay stabilizer bar of the liquid cooling relay friction part is hinged on one end face of the motor shell, and the swinging mode of the relay stabilizer bar of the liquid cooling relay friction part around the hinge joint of the relay stabilizer bar is the same as the swinging mode of the relay stabilizer bar around the hinge joint of the relay stabilizer bar; the hinge mode of the relay friction wheel of the liquid cooling relay friction piece and the other end of the relay stabilizer bar of the liquid cooling relay friction piece is the same as the hinge mode of the second rotating shaft and the other end of the relay stabilizer bar; the relay friction wheel of the liquid cooling relay friction piece is in friction fit transmission with the outer side surface of the second driving wheel; the variable speed liquid cooling power piece comprises a support bearing, a liquid cooling force applying wheel and a liquid cooling transmission stabilizing frame, wherein the support bearing is embedded on the inner wall of the motor shell, a second reducing hole is formed in the liquid cooling force applying wheel, the liquid cooling force applying wheel is embedded in the inner ring of the support bearing, and a second sliding groove on the liquid cooling force applying wheel is matched with a third sliding block on the support bearing; meanwhile, the wall of the second reducing hole is in friction fit transmission with a relay friction wheel of the liquid cooling relay friction piece; the first end of the liquid cooling transmission stabilizing frame is connected to one end face of the liquid cooling force applying wheel, and the second end of the liquid cooling transmission stabilizing frame is embedded in a second annular groove at the other end of the second driving wheel, so that the liquid cooling force applying wheel circumferentially rotates around the second driving wheel, and the liquid cooling force applying wheel and the second driving wheel are axially locked; the liquid cooling transmission stabilizing frames are uniformly distributed around the liquid cooling force applying wheel in the circumferential direction, so that the third end of the liquid cooling transmission stabilizing frames can be driven to rotate around the first rotating shaft when the liquid cooling force applying wheel rotates.
2. The low-voltage high-current high-efficiency permanent magnet synchronous servo motor according to claim 1, wherein the liquid cooling transfusion part comprises a liquid cooling transfusion transmission part and a liquid cooling radiating part, the liquid cooling transfusion transmission part is arranged on the variable-speed liquid cooling power part, and the liquid cooling radiating part is arranged on the motor shell; the liquid cooling transfusion transmission piece comprises a driven pipe and a transmission wheel, one end of the driven pipe is sleeved on the third end of the liquid cooling transmission stabilizing frame, and a plurality of driven pipes are sleeved on the third ends of the liquid cooling transmission stabilizing frames one by one correspondingly; the driving wheels are fixedly sleeved on the other ends of the driven pipes, and force application driving lugs are arranged on the side surfaces of the driving wheels.
3. The low-voltage high-current high-efficiency permanent magnet synchronous servo motor according to claim 2, wherein the liquid cooling radiating piece comprises a liquid cooling guide groove and a liquid cooling radiating heat conducting piece, the liquid cooling guide groove is in a circular groove shape, the liquid cooling guide groove is embedded on the inner wall of the motor shell, and a notch of the liquid cooling guide groove is sleeved on the force application transmission lug; the liquid cooling heat conduction member comprises a liquid cooling bag and an external liquid cooling heat dissipation plate, the liquid cooling bag is arranged in the liquid cooling guide groove, and the external liquid cooling heat dissipation plate is arranged on the motor shell; the liquid cooling bag comprises a first extrusion pipe, a second extrusion pipe, a liquid storage bag and a reset spring, one end of the first extrusion pipe is arranged in the liquid cooling guide groove, the other end of the second extrusion pipe is sleeved on the other end of the first extrusion pipe, the liquid storage bag is embedded in the first extrusion pipe and the second extrusion pipe, and the reset spring is embedded in the liquid storage bag; the two liquid cooling capsules are circumferentially distributed in the liquid cooling guide groove.
4. The low-voltage high-current high-efficiency permanent magnet synchronous servo motor according to claim 3, wherein the external liquid cooling heat dissipation plate is hollow, one end of the external liquid cooling heat dissipation plate is in through connection with one end of a first liquid cooling hole in the stator, the other end of the first liquid cooling hole is in through connection with a first hose, the other end of the first hose is in through connection with the end part of the liquid storage bag, and a first one-way valve is arranged on the first hose; the other end of the external liquid cooling heat dissipation plate is connected with a second hose, the other end of the second hose is connected to a liquid storage bag of the other liquid cooling bag in a penetrating way, and a second one-way valve is arranged on the second hose; the two external liquid cooling radiating plates are arranged on the motor shell, one end of the other external liquid cooling radiating plate is in through connection with one end of a second liquid cooling hole in the stator, and the other end of the second liquid cooling hole is in through connection with a third hose; the other end of the third hose is connected to the liquid storage bag of the other liquid cooling bag in a penetrating way, and a third one-way valve is arranged on the third hose; the other end of the external liquid cooling heat dissipation plate is communicated with a fourth hose, the other end of the fourth hose is communicated with the side wall of the liquid storage bag, and a fourth one-way valve is arranged on the fourth hose; the liquid cooling heat dissipation heat conduction piece is provided with many sets, and many sets liquid cooling heat dissipation heat conduction piece is followed the circumference evenly distributed of motor casing.
CN202310494412.4A 2023-05-05 2023-05-05 Low-voltage high-current high-efficiency permanent magnet synchronous servo motor Active CN116545179B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105827066A (en) * 2016-05-27 2016-08-03 罗振洪 Hybrid air and oil cooling system for temperature control motor and controller
CN112421859A (en) * 2020-11-10 2021-02-26 电子科技大学中山学院 Supplementary radiating new energy automobile electricity system of driving
CN113241900A (en) * 2021-05-28 2021-08-10 天津中德应用技术大学 Integrated motor with high reliability

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105827066A (en) * 2016-05-27 2016-08-03 罗振洪 Hybrid air and oil cooling system for temperature control motor and controller
CN112421859A (en) * 2020-11-10 2021-02-26 电子科技大学中山学院 Supplementary radiating new energy automobile electricity system of driving
CN113241900A (en) * 2021-05-28 2021-08-10 天津中德应用技术大学 Integrated motor with high reliability

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