CN111668998A - High-precision brushless motor provided with torque sensor - Google Patents

High-precision brushless motor provided with torque sensor Download PDF

Info

Publication number
CN111668998A
CN111668998A CN202010468668.4A CN202010468668A CN111668998A CN 111668998 A CN111668998 A CN 111668998A CN 202010468668 A CN202010468668 A CN 202010468668A CN 111668998 A CN111668998 A CN 111668998A
Authority
CN
China
Prior art keywords
stator
torque sensor
rotor
brushless motor
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010468668.4A
Other languages
Chinese (zh)
Other versions
CN111668998B (en
Inventor
吴许芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boneng Electrical Appliance Changzhou Co ltd
Original Assignee
Boneng Electrical Appliance Changzhou Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boneng Electrical Appliance Changzhou Co ltd filed Critical Boneng Electrical Appliance Changzhou Co ltd
Priority to CN202010468668.4A priority Critical patent/CN111668998B/en
Publication of CN111668998A publication Critical patent/CN111668998A/en
Application granted granted Critical
Publication of CN111668998B publication Critical patent/CN111668998B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/24Devices for sensing torque, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003Couplings; Details of shafts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Brushless Motors (AREA)

Abstract

The invention discloses a high-precision brushless motor provided with a torque sensor, which comprises a motor main body, wherein a main shaft is arranged in the motor main body, a torsion device is arranged in the motor main body in the extending direction of the main shaft, the output end of the torsion device is connected with a transmission shaft, the torsion device comprises a shell, a top end bearing, a torque sensor and a coupler, the top end bearing, the torque sensor and the coupler are arranged in the shell, one end of the torque sensor is connected with the main shaft through the coupler, the other end of the torque sensor is connected with the transmission shaft, one end of the transmission shaft penetrates through the shell, and the top end bearing is arranged between the transmission shaft and the shell. When the torque force value exceeds the set value, the motor main body can be automatically started to work.

Description

High-precision brushless motor provided with torque sensor
Technical Field
The invention relates to the technical field of brushless motors, in particular to a high-precision brushless motor with a torque sensor.
Background
The brushless motor forms a magnetic field rotating around the geometric axis of the motor around a winding coil by changing the alternating frequency and the waveform of a current wave input to a stator coil of the brushless motor, the magnetic field drives the permanent magnet steel on the rotor to rotate, the motor rotates, and because the input current is direct current, the current needs an electronic speed regulator to change the current into 3-phase alternating current, and a control signal needs to be received from a remote controller receiver to control the rotating speed of the motor so as to meet the use requirement of a model.
Torque sensors (also called torque sensors, torquemeters) are classified into two major categories, dynamic and static, wherein dynamic torque sensors are also called torque sensors, torque speed sensors, non-contact torque sensors, rotation torque sensors, etc. Torque sensors are the detection of the perception of torsional moments on various rotating or non-rotating mechanical components. The torque sensor converts the physical change of the torque force into an accurate electrical signal. The torque sensor can be applied to manufacture viscometers and electric (pneumatic and hydraulic) torque wrenches, and has the advantages of high precision, fast frequency response, good reliability, long service life and the like.
Brushless motor is by wide application in the electric motor car, and wherein partial electric motor car can set up pedal structure, and convenient to use person can select pedal or electronic mode according to the demand, and the brushless motor that wherein current electric motor car was used does not have torque sensor for at pedal in-process, when torsion is great, the user can be very hard, can't adjust pedal or electronic mode according to torsion, for this reason, we propose a high accuracy brushless motor who is provided with torque sensor.
Disclosure of Invention
The invention aims to provide a high-precision brushless motor with a torque sensor, and aims to solve the problems that in the background art, the existing brushless motor for an electric vehicle does not have the torque sensor, so that a user can take great effort and cannot adjust a pedaling side or an electric side according to the torque when the torque is large in a pedaling process.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high accuracy brushless motor with torque sensor, includes motor subject, be equipped with the main shaft in the motor subject, motor subject is located the direction that the main shaft extends and is equipped with torsion device, torsion device's output is connected with the transmission shaft, torsion device includes shell, top end bearing, torque sensor and shaft coupling are arranged in the shell, torque sensor's one end is passed through the shaft coupling and is connected with the main shaft, torque sensor's other end connecting transmission shaft, the one end of transmission shaft runs through the shell, and is equipped with the top end bearing between transmission shaft and the shell, the top end bearing is installed on the shell, the transmission shaft passes the inner ring of top end bearing, the outside surface of transmission shaft is equipped with protective coating, protective coating includes undercoating and overcoating, the overcoating is paintd, the inner coating is formed by coating dark color pigments, and the outer coating is formed by coating light color pigments.
Preferably, the motor main body mainly comprises a lower end shell, a main shaft, a permanent magnet magnetic pole, a first Hall sensor, a second Hall sensor, an end cover, a stator, a rotor and a controller.
Preferably, the stator periphery sets up the rotor, and sets up the permanent magnet magnetic pole between stator periphery and the rotor inner ring, stator and rotor are arranged in the lower extreme shell, and the main shaft passes stator and rotor, the end cover passes through the bolt and installs the opening part at the lower extreme shell, the main shaft runs through the lower extreme shell, hall sensor and No. two hall sensor are connected with the three-phase winding of stator, the bottom of lower extreme shell is equipped with base bearing, the bottom and the base bearing of main shaft are connected, the controller is installed on the stator.
Preferably, the stator comprises a stator core, a stator frame and stator windings, the stator core is arranged on the outer ring wall of the stator frame, winding notches are formed in the stator core, multiple groups of winding notches are arranged at equal intervals, the stator windings are formed on the winding notches by winding copper wires, the multiple groups of stator windings are arranged, and the main shaft penetrates through a center hole of the stator frame.
Preferably, the first Hall sensor and the second Hall sensor are fixed on the stator core and connected with the stator winding through the three-phase winding.
Preferably, the inner wall of the winding notch is provided with an insulating sleeve, and the outer walls of the stator winding and the stator core are coated with insulating paint.
Preferably, the controller includes a controller circuit board and controller electronics.
Preferably, the controller circuit board is installed on the stator frame, and the shape of controller circuit board and stator frame shape looks adaptation, controller electronic components is equipped with the multiple, and controller electronic components tin soldering installs at the controller circuit board.
Preferably, the rotor mainly includes a rotor base and a rotor yoke.
Preferably, the rotor base covers the outer wall of the permanent magnet magnetic pole, the inner wall of the rotor base is provided with a rotor magnetic yoke, and the permanent magnet magnetic pole is arranged between the rotor magnetic yoke and the stator core.
The invention provides a high-precision brushless motor provided with a torque sensor, which has the following beneficial effects:
(1) the torque device is arranged on one side of the motor main body, which is positioned at the output end, when the motor is used, the torque sensor in the torque device is connected with the main shaft of the motor main body by the coupler, and the transmission shaft of the torque sensor penetrates through the shell and is arranged outside, so that the torque value of the torque sensor can be set according to requirements when the motor is used, and when the torque value exceeds the set value, the motor main body can be automatically started to work.
(2) According to the brushless motor, the first Hall sensor and the second Hall sensor are connected to the stator iron core of the motor main body, the group of brushless motors is provided with the two groups of Hall sensors, so that the brushless motor is provided with the standby Hall sensors, when the damage of one group of Hall sensors is detected, the other group of Hall sensors can be used, the brushless motor can be continuously used, the motor main body does not need to be disassembled for replacement, and the standby Hall sensors are arranged, so that the normal use of the brushless motor can be ensured.
(3) According to the invention, the shape of the controller circuit board is matched with the shape of the stator frame, the controller circuit board welded with various controller electronic components is fixed on the stator frame, so that the controller is integrated on the stator, and the controller is integrated in the motor, thus the brushless motor has a more compact structure, the volume and the weight of the motor are reduced, the space is saved, and the appearance is more attractive.
Drawings
FIG. 1 is a schematic diagram of an external structure of a brushless motor according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a single-group Hall sensor brushless motor according to the present invention;
FIG. 3 is a schematic diagram of a single group Hall sensor brushless motor stator structure according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a two-group Hall sensor brushless motor according to the present invention;
FIG. 5 is a schematic diagram of a stator structure of a brushless motor with two groups of Hall sensors according to the present invention;
FIG. 6 is a schematic diagram of the stator and rotor structure of a double-group Hall sensor brushless motor according to the present invention;
fig. 7 is a schematic view of a transmission shaft structure of the present invention.
Fig. 8 is a schematic structural view of a protective coating on a transmission shaft according to the present invention.
In the figure: 1. a motor main body; 2. a torsion device; 3. a drive shaft; 4. a lower end housing; 5. a rotor base; 6. a stator core; 7. a base bearing; 8. a main shaft; 9. a stator frame; 10. a controller circuit board; 11. a stator winding; 12. a permanent magnet pole; 13. a rotor yoke; 14. a first Hall sensor; 15. a top end bearing; 16. a torque sensor; 17. a coupling; 18. a controller electronic component; 19. a second Hall sensor; 20. an end cap; 21. a protective coating; 22. inner coating; 23. and (4) an outer coating.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1:
as shown in fig. 1-3 and fig. 7-8, the present invention provides a technical solution: a high-precision brushless motor provided with a torque sensor comprises a motor body 1, wherein a main shaft 8 is arranged in the motor body 1, a torque device 2 is arranged in the extending direction of the main shaft 8 of the motor body 1, the output end of the torque device 2 is connected with a transmission shaft 3, the torque device 2 comprises a shell, a top end bearing 15, a torque sensor 16 and a coupler 17, the top end bearing 15, the torque sensor 16 and the coupler 17 are arranged in the shell, one end of the torque sensor 16 is connected with the main shaft 8 through the coupler 17, the other end of the torque sensor 16 is connected with the transmission shaft 3, one end of the transmission shaft 3 penetrates through the shell, a top end bearing 15 is arranged between the transmission shaft 3 and the shell, the top end bearing 15 is installed on the shell, the transmission shaft 3 penetrates through an inner ring of the top end bearing 15, and the outer side surface, the protective coating 21 comprises an inner coating 22 and an outer coating 23, wherein the outer coating 23 is coated outside the inner coating 22, the inner coating 22 is formed by coating a dark color pigment, and the outer coating 23 is formed by coating a light color pigment.
Motor main part 1 mainly includes lower extreme shell 4, main shaft 8, permanent magnet magnetic pole 12, hall sensor 14, end cover 20, stator, rotor and controller, the stator periphery sets up the rotor, and sets up permanent magnet magnetic pole 12 between the stator periphery and the rotor inner ring, stator and rotor are arranged in lower extreme shell 4, and main shaft 8 passes stator and rotor, end cover 20 passes through the bolt and installs the opening part at lower extreme shell 4, main shaft 8 runs through lower extreme shell 4, hall sensor 14 is connected with the three-phase winding of stator, the bottom of lower extreme shell 4 is equipped with base bearing 7, the bottom and the base bearing 7 of main shaft 8 are connected, the controller is installed on the stator.
The stator comprises a stator core 6, a stator frame 9 and stator windings 11, the stator core 6 is arranged on the outer annular wall of the stator frame 9, winding notches are formed in the stator core 6, multiple groups of winding notches are arranged at equal intervals, the stator windings 11 are formed on the winding notches by winding copper wires, the multiple groups of stator windings 11 are arranged, the main shaft 8 penetrates through a center hole of the stator frame 9, the first Hall sensor 14 is fixed on the stator core 6, and the first Hall sensor 14 is connected with the stator windings 11 through three-phase windings.
And an insulating sleeve is arranged on the inner wall of the winding notch, and insulating paint is coated on the outer walls of the stator winding 11 and the stator core 6.
The controller includes a controller circuit board 10 and controller electronics 18.
The controller circuit board 10 is installed on the stator frame 9, the shape of the controller circuit board 10 is matched with that of the stator frame 9, the controller electronic components 18 are multiple, and the controller electronic components 18 are installed on the controller circuit board 10 in a soldering mode.
The rotor mainly comprises a rotor base 5 and a rotor magnetic yoke 13, the rotor base 5 covers the outer wall of the permanent magnet magnetic pole 12, the rotor magnetic yoke 13 is arranged on the inner wall of the rotor base 5, and the permanent magnet magnetic pole 12 is arranged between the rotor magnetic yoke 13 and the stator iron core 6.
It should be noted that, a high-precision brushless motor with torque sensor, when working, because the main shaft 8 of the motor body is connected with the torque sensor 16 in the torque device 2 through the coupling 17, when using, the other end of the torque sensor 16 can be connected with the relevant parts on the wheel, the torque value of the torque sensor 16 is set in advance through the computer, when the set torque value is reached, the motor body 1 is started, the motor body 1 automatically works, the automatic intelligent processing can be realized, wherein the shape of the controller circuit board 10 of the controller is matched with the shape of the stator frame 9, the composition controller system welded with various controller electronic components 18 is fixed on the stator frame 9, the controller system is integrated on the stator, thereby the controller is integrated in the motor, change the external structure of traditional controller, adopt built-in integrated mode, make the brushless motor structure compacter, reduce the volume and the weight of motor, and practice thrift the space, the outward appearance is more pleasing to the eye, wherein, set up protective coating 21 through the outside surface at transmission shaft 3, and adopt the big undercoating 22 of colour difference and outer coating 23 to constitute protective coating 21, in use, when transmission shaft 3 takes place wearing and tearing in the rotation process, when taking place wearing and tearing in which place, outer coating 23 of this department will be worn and expose undercoating 22 by the mill, during the use, the position that receives the wearing and tearing seriously is judged to the degree of wear of accessible undercoating 22 and outer coating 23, be convenient for when overhauing, help its judgement problem.
Example 2:
as shown in fig. 1 and fig. 4 to 8, the present invention provides a technical solution: a high-precision brushless motor provided with a torque sensor comprises a motor body 1, wherein a main shaft 8 is arranged in the motor body 1, a torque device 2 is arranged in the extending direction of the main shaft 8 of the motor body 1, the output end of the torque device 2 is connected with a transmission shaft 3, the torque device 2 comprises a shell, a top end bearing 15, a torque sensor 16 and a coupler 17, the top end bearing 15, the torque sensor 16 and the coupler 17 are arranged in the shell, one end of the torque sensor 16 is connected with the main shaft 8 through the coupler 17, the other end of the torque sensor 16 is connected with the transmission shaft 3, one end of the transmission shaft 3 penetrates through the shell, a top end bearing 15 is arranged between the transmission shaft 3 and the shell, the top end bearing 15 is installed on the shell, the transmission shaft 3 penetrates through an inner ring of the top end bearing 15, and the outer side surface, the protective coating 21 comprises an inner coating 22 and an outer coating 23, wherein the outer coating 23 is coated outside the inner coating 22, the inner coating 22 is formed by coating a dark color pigment, and the outer coating 23 is formed by coating a light color pigment.
Motor main part 1 mainly includes lower casing 4, main shaft 8, permanent magnet magnetic pole 12, hall sensor 14, No. two hall sensor 19, end cover 20, stator, rotor and controller, the stator periphery sets up the rotor, and sets up permanent magnet magnetic pole 12 between the stator periphery and the rotor inner ring, stator and rotor are arranged in lower casing 4, and main shaft 8 passes stator and rotor, end cover 20 passes through the bolt and installs the opening part at lower casing 4, main shaft 8 runs through lower casing 4, hall sensor 14 and No. two hall sensor 19 are connected with the three-phase winding of stator, the bottom of lower casing 4 is equipped with base bearing 7, the bottom of main shaft 8 is connected with base bearing 7, the controller is installed on the stator.
The stator comprises a stator core 6, a stator frame 9 and stator windings 11, the stator core 6 is arranged on the outer ring wall of the stator frame 9, winding notches are formed in the stator core 6, multiple groups of winding notches are arranged at equal intervals, the stator windings 11 are formed on the winding notches by winding copper wires, the multiple groups of stator windings 11 are arranged, and the main shaft 8 penetrates through a center hole of the stator frame 9.
The first Hall sensor 14 and the second Hall sensor 19 are fixed on the stator core 6, and the first Hall sensor 14 and the second Hall sensor 19 are connected with the stator winding 11 through a three-phase winding.
And an insulating sleeve is arranged on the inner wall of the winding notch, and insulating paint is coated on the outer walls of the stator winding 11 and the stator core 6.
The controller comprises a controller circuit board 10 and a controller electronic component 18, the controller circuit board 10 is installed on the stator frame 9, the shape of the controller circuit board 10 is matched with that of the stator frame 9, the controller electronic component 18 is provided with a plurality of types, and the controller electronic component 18 is installed on the controller circuit board 10 in a soldering mode.
The rotor mainly comprises a rotor base 5 and a rotor magnetic yoke 13, the rotor base 5 covers the outer wall of the permanent magnet magnetic pole 12, the rotor magnetic yoke 13 is arranged on the inner wall of the rotor base 5, and the permanent magnet magnetic pole 12 is arranged between the rotor magnetic yoke 13 and the stator iron core 6.
It should be noted that, a high-precision brushless motor with torque sensor, when working, because the main shaft 8 of the motor body 1 is connected with the torque sensor 16 in the torque device 2 through the coupling 17, when using, the other end of the torque sensor 16 can be connected with the relevant parts on the wheel, the torque value of the torque sensor 16 is set in advance through the computer, when the set torque value is reached, the motor body 1 is started and the motor body 1 automatically works, the automatic intelligent processing can be realized, wherein the shape of the controller circuit board 10 of the controller is matched with the shape of the stator frame 9, the composition controller system welded with various controller electronic components 18 is fixed on the stator frame 9, so that the controller system is integrated on the stator, thereby the controller is integrated in the motor, the brushless motor has the advantages that the structure of the traditional controller which is externally arranged is changed, the built-in integration mode is adopted, the brushless motor is more compact, the size and the weight of the motor are reduced, the space is saved, the appearance is more attractive, when the brushless motor utilizes the Hall sensors to adjust the current direction, after the Hall sensors are damaged, because the brushless motor is provided with the first Hall sensor 14 and the second Hall sensor 19, when one Hall sensor is damaged, the other Hall sensor can be continuously used, the brushless motor can be continuously used, the working efficiency is improved, the motor main body 1 does not need to be disassembled for replacement, the spare Hall sensors are arranged, the normal use of the brushless motor can be ensured, the protective coating 21 is arranged on the outer side surface of the transmission shaft 3, and the protective coating 21 is formed by the inner coating 22 and the outer coating 23 with large chromatic aberration, during the use, when transmission shaft 3 took place wearing and tearing in the rotation process, when what took place wearing and tearing, the overcoat 23 of this department will be worn off and expose undercoating 22, during the use, and the position that receives the wearing and tearing seriously is judged to accessible undercoating 22 and the degree of wear of overcoat 23, is convenient for when overhauing, helps its judgement problem.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a high accuracy brushless motor with torque sensor, includes motor main part (1), its characterized in that, be equipped with main shaft (8) in motor main part (1), motor main part (1) is located the direction that main shaft (8) extend and is equipped with torsion device (2), the output of torsion device (2) is connected with transmission shaft (3), torsion device (2) include shell, top end bearing (15), torque sensor (16) and shaft coupling (17) are arranged in the shell, the one end of torque sensor (16) is passed through shaft coupling (17) and is connected with main shaft (8), transmission shaft (3) is connected to the other end of torque sensor (16), the one end of transmission shaft (3) runs through the shell, and is equipped with top end bearing (15) between transmission shaft (3) and the shell, the utility model provides a novel transmission shaft, including transmission shaft (3), top end bearing (15), transmission shaft (3), inner ring, the outside surface of transmission shaft (3) is equipped with protective coating (21), protective coating (21) include undercoating (22) and overcoating (23), overcoating (23) are paintd in undercoating (22) outside, undercoating (22) adopt dark colour pigment to paint and form, overcoating (23) adopt light colour pigment to paint and form.
2. A high-precision brushless motor provided with a torque sensor according to claim 1, characterized in that: the motor main body (1) mainly comprises a lower end shell (4), a main shaft (8), a permanent magnet magnetic pole (12), a first Hall sensor (14), a second Hall sensor (19), an end cover (20), a stator, a rotor and a controller.
3. A high-precision brushless motor provided with a torque sensor according to claim 2, characterized in that: the stator periphery sets up the rotor, and sets up permanent magnet magnetic pole (12) between stator periphery and the rotor inner ring, stator and rotor are arranged in lower extreme shell (4), and main shaft (8) pass stator and rotor, end cover (20) are installed at the opening part of lower extreme shell (4) through the bolt, main shaft (8) run through lower extreme shell (4), hall sensor (14) and No. two hall sensor (19) are connected with the three-phase winding of stator, the bottom of lower extreme shell (4) is equipped with base bearing (7), the bottom and the base bearing (7) of main shaft (8) are connected, the controller is installed on the stator.
4. A high-precision brushless motor provided with a torque sensor according to claim 2, characterized in that: the stator comprises a stator core (6), a stator frame (9) and stator windings (11), wherein the stator core (6) is arranged on the outer annular wall of the stator frame (9), winding notches are formed in the stator core (6), multiple groups of windings are arranged in the winding notches at equal intervals, the stator windings (11) are formed on the winding notches by winding copper wires, the multiple groups of stator windings (11) are arranged, and the main shaft (8) penetrates through a center hole of the stator frame (9).
5. A high-precision brushless motor provided with a torque sensor according to claim 4, wherein: the first Hall sensor (14) and the second Hall sensor (19) are fixed on the stator core (6), and the first Hall sensor (14) and the second Hall sensor (19) are connected with the stator winding (11) through the three-phase winding.
6. A high-precision brushless motor provided with a torque sensor according to claim 4, wherein: and the inner wall of the winding notch is provided with an insulating sleeve, and insulating paint is coated on the outer walls of the stator winding (11) and the stator core (6).
7. A high-precision brushless motor provided with a torque sensor according to claim 2, characterized in that: the controller comprises a controller circuit board (10) and controller electronics (18).
8. A high-precision brushless motor provided with a torque sensor according to claim 7, wherein: the controller circuit board (10) is installed on the stator frame (9), the shape of the controller circuit board (10) is matched with that of the stator frame (9), the controller electronic components (18) are multiple, and the controller electronic components (18) are installed on the controller circuit board (10) in a soldering mode.
9. A high-precision brushless motor provided with a torque sensor according to claim 2, characterized in that: the rotor mainly comprises a rotor base (5) and a rotor yoke (13).
10. A high-precision brushless motor provided with a torque sensor according to claim 9, wherein: the rotor base (5) covers and establishes at permanent magnet magnetic pole (12) outer wall, rotor base (5) inner wall is equipped with rotor yoke (13), be equipped with permanent magnet magnetic pole (12) between rotor yoke (13) and stator core (6).
CN202010468668.4A 2020-05-28 2020-05-28 High-precision brushless motor provided with torque sensor Active CN111668998B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010468668.4A CN111668998B (en) 2020-05-28 2020-05-28 High-precision brushless motor provided with torque sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010468668.4A CN111668998B (en) 2020-05-28 2020-05-28 High-precision brushless motor provided with torque sensor

Publications (2)

Publication Number Publication Date
CN111668998A true CN111668998A (en) 2020-09-15
CN111668998B CN111668998B (en) 2022-04-12

Family

ID=72384935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010468668.4A Active CN111668998B (en) 2020-05-28 2020-05-28 High-precision brushless motor provided with torque sensor

Country Status (1)

Country Link
CN (1) CN111668998B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007155593A (en) * 2005-12-07 2007-06-21 Harmonic Drive Syst Ind Co Ltd Method for assembling detection mechanism of planetary gear device
CN101478199A (en) * 2008-12-22 2009-07-08 张勇伟 Brushless motor for automobile
CN203732190U (en) * 2014-03-07 2014-07-23 中国汽车工程研究院股份有限公司 High-speed motor dedicated dynamometer
CN203747582U (en) * 2014-03-28 2014-07-30 淄博京科电气研究所 Switch magnetic resistance motor with torque sensor
JP2016077121A (en) * 2014-10-09 2016-05-12 株式会社ロボテック Motor system integrated with torque detection unit
CN205509785U (en) * 2016-04-12 2016-08-24 温州欧博电气有限公司 Motor
CN206442229U (en) * 2016-10-18 2017-08-25 杭州爱力领富科技股份有限公司 A kind of main motor pump group

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007155593A (en) * 2005-12-07 2007-06-21 Harmonic Drive Syst Ind Co Ltd Method for assembling detection mechanism of planetary gear device
CN101478199A (en) * 2008-12-22 2009-07-08 张勇伟 Brushless motor for automobile
CN203732190U (en) * 2014-03-07 2014-07-23 中国汽车工程研究院股份有限公司 High-speed motor dedicated dynamometer
CN203747582U (en) * 2014-03-28 2014-07-30 淄博京科电气研究所 Switch magnetic resistance motor with torque sensor
JP2016077121A (en) * 2014-10-09 2016-05-12 株式会社ロボテック Motor system integrated with torque detection unit
CN205509785U (en) * 2016-04-12 2016-08-24 温州欧博电气有限公司 Motor
CN206442229U (en) * 2016-10-18 2017-08-25 杭州爱力领富科技股份有限公司 A kind of main motor pump group

Also Published As

Publication number Publication date
CN111668998B (en) 2022-04-12

Similar Documents

Publication Publication Date Title
CN202260955U (en) Hub motor
JP2018502546A (en) Motor and clutch actuator including the same
CN103023259A (en) Wheel hub motor and control method thereof
CN107294337B (en) Hub motor and position signal processing method thereof
CN111668998B (en) High-precision brushless motor provided with torque sensor
CN207819692U (en) A kind of servo wheel hub motor
KR102371546B1 (en) Electrically-driven Apparatus of Hub Type
CN111049326A (en) Hub motor with built-in charging system
CN207595181U (en) Hall type torque sensor and motor
CN209764309U (en) Torque sensor
CN207664758U (en) A kind of under-water DC brushless motor for realizing static seal
TWI458888B (en) A power generation system that can supply electricity to a rotating member
CN108199538A (en) A kind of servo wheel hub motor
CN217015279U (en) Integrated pull rope motor structure and intelligent device
CN108631517A (en) A kind of permanent magnet synchronous motor
CN211239614U (en) Hub motor with built-in charging system
CN212572246U (en) Hollow cup brushless DC motor with locking device
CN114499296A (en) Tubular motor with stroke accurate self-learning function and stroke learning method
CN2440282Y (en) Motor with built-in driving and controlling circuit
CN208663095U (en) A kind of hollow harmonic wave four axis platform
EP1046812B1 (en) Starter generator
CN210157062U (en) Be applied to motor of water-cooled water pump
CN216819636U (en) External motor of position detection device
CN211508872U (en) Permanent magnet brushless DC motor with positioning and braking functions
CN217307488U (en) Submerged induction mounting structure, motor and body-building device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant