CN208401717U - A kind of DC brushless motor - Google Patents

Abstract

The utility model discloses a kind of DC brushless motors, including electric machine casing, front motor cover, electric power connection line, assembles post, shaft, conducting wire, rotor, magnet, stator, driver, position sensor, driving wheel, driven wheel, adjust knob and DC motor speed-regulating device, the electric machine casing front end is provided with front motor cover, the electric machine casing rear end is provided with electric power connection line, the front motor cover front end is provided with assembles post, the assembles post front end is equipped with shaft, the electric machine casing is internally provided with rotor, the rotor lower end is provided with magnet, the magnet lower end is provided with stator, driver is provided on the right side of the rotor, position sensor is provided on the outside of the driver, the rotor front end is provided with driving wheel, the driven wheel being engaged with is installed on the right side of the driving wheel, the motor of this kind of DC brushless motor Shell is made of the material for shielding strong magnetic, and can be avoided rotor causes rotor not to be able to rotate by strong magnetic influence, improves motor job stability.

Description

A kind of DC brushless motor

Technical field

The utility model relates to a kind of direct current generator field, specially a kind of DC brushless motor.

Background technique

DC brushless motor is to be commutated with electronic component instead of traditional carbon brush, and DC brushless motor must be equipped with phase The DC motor speed-regulating device answered could work, and will also increase job costs nothing but in this way, with regard to only to motor for commutate Device will be more at high cost than carbon brush, and the cost for just only only relying on brushless motor will be higher than brush motor.If there are also what is used Occasion is highfield, and the rotor of motor itself is that magnet is done, and by the magnetic field for changing rotor or is disappeared under the action of highfield Fall a part of magnetic field, it will be that motor cannot correctly work.

Utility model content

The purpose of this utility model is to provide a kind of DC brushless motors, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions a kind of DC brushless motor, including motor casing Body, front motor cover, electric power connection line, assembles post, shaft, conducting wire, rotor, magnet, stator, driver, position sensor, active Wheel, driven wheel, adjustment knob and DC motor speed-regulating device, the electric machine casing front end are provided with front motor cover, the motor casing Body rear end is provided with electric power connection line, and the front motor cover front end is provided with assembles post, and the assembles post front end is equipped with shaft, The electric machine casing is internally provided with rotor, and the rotor lower end is provided with magnet, and the magnet lower end is provided with stator, described It is provided with driver on the right side of rotor, is provided with position sensor on the outside of the driver, the rotor front end is provided with driving wheel, The driven wheel being engaged with is installed on the right side of the driving wheel, the electric machine casing is internally provided with DC motor speed-regulating device, institute It states DC motor speed-regulating device front end and is provided with adjustment knob,.

Further, the stator, position sensor, conducting wire, DC motor speed-regulating device are electrically connected with the power supply.

Further, the electric machine casing with can antimagnetic material be made, can be avoided rotor by strong magnetic influence cause turn Son is not able to rotate, and improves motor job stability.

Further, the driver is made of power electronic device and integrated circuit etc., is received the starting of motor, is stopped Only, brake signal, to control the starting, stopping and braking of motor.

Further, the driving wheel and driven tooth number, revolving speed is consistent, and is all made of cemented carbide material, tool There are high intensity, wearability.

Compared with prior art, the utility model has the beneficial effects that the electric machine casing screen of this kind of DC brushless motor The material for covering strong magnetic is made, and can be avoided rotor causes rotor not to be able to rotate by strong magnetic influence, improves motor job stability, position The position that inductor is capable of accurately inductiopn rotor is set, so that correct current direction is exported, thus guarantee that rotor rotates always, Newly-increased driver receives speed command and feedback speed signal, for controlling and adjusting revolving speed, provides protection and display, direct current Machine governor adjusts DC motor rotation speed by control rotor DC voltage.Dc motor gives direct current generator tune simultaneously One feedback current of fast device, governor judge the speed conditions of direct current generator according to feedback current, correct rotor electricity when necessary Pressure output, the revolving speed of motor is adjusted with this again.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is utility model works schematic diagram；

Fig. 3 is the utility model rotor structure schematic diagram；

Fig. 4 is the utility model DC motor speed-regulating device schematic diagram.

In figure: 1- electric machine casing, 2- front motor cover, 3- electric power connection line, 4- assembles post, 5- shaft, 6- conducting wire, 7- turn Son, 8- magnet, 9- stator, 10- driver, 11- position sensor, 12- driving wheel, 13- driven wheel, 14- adjust knob, 15- DC motor speed-regulating device.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of DC brushless motor, including electric machine casing 1, front motor cover 2, electric power connection line 3, assembles post 4, shaft 5, conducting wire 6, rotor 7, magnet 8, stator 9, driver 10, position sense Device 11, driving wheel 12, driven wheel 13, adjustment knob 14 and DC motor speed-regulating device 15,1 front end of electric machine casing is answered to be provided with Front motor cover 2,1 rear end of electric machine casing are provided with electric power connection line 3, and 2 front end of front motor cover is provided with assembles post 4, 4 front end of assembles post is equipped with shaft 5, and the electric machine casing 1 is internally provided with rotor 7, and 7 lower end of rotor is provided with magnetic Iron 8,8 lower end of magnet are provided with stator 9, and driver 10 is provided on the right side of the rotor 7, is arranged on the outside of the driver 10 Have position sensor 11,7 front end of rotor is provided with driving wheel 12, be equipped on the right side of the driving wheel 12 be engaged with from Driving wheel 13, the electric machine casing 1 are internally provided with DC motor speed-regulating device 15, and 15 front end of DC motor speed-regulating device is provided with Knob 14 is adjusted, the stator 9, position sensor 11, conducting wire 6, DC motor speed-regulating device 15 are electrically connected with the power supply, described Electric machine casing 1 with can antimagnetic material be made, can be avoided rotor 7 causes rotor 7 not to be able to rotate by strong magnetic influence, improve motor Job stability, the driver 10 are made of power electronic device and integrated circuit etc., receive the starting of motor, stopping, Brake signal, to control the starting, stopping and braking of motor, the driving wheel 12 and 13 number of teeth of driven wheel, revolving speed is consistent, and It is all made of cemented carbide material, rigidity is high, and wearability is strong.

Working principle: DC brushless motor electric power connection line 3 is connected to power supply, and stator 9 generates magnetic under the function of current , repel each other with 8 one end of magnet, one end is attracting, so that rotor 7 be made to rotate, the rotation of driving wheel 12 of 7 front end of rotor drives driven wheel 13, position sensor 11 is capable of the position of accurately inductiopn rotor 7, so that correct current direction is exported, to guarantee rotor 7 It rotates always, newly-increased driver 10 receives speed command and feedback speed signal, for controlling and adjusting revolving speed, provides protection And display, DC motor speed-regulating device 15 adjust DC motor rotation speed by control 9 DC voltage of rotor.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein, and should not treat any reference in the claims as limiting Related claim.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of DC brushless motor, including electric machine casing (1), front motor cover (2), electric power connection line (3), assembles post (4), turn Axis (5), conducting wire (6), rotor (7), magnet (8), stator (9), driver (10), position sensor (11), driving wheel (12), from Driving wheel (13), adjustment knob (14) and DC motor speed-regulating device (15), it is characterised in that: electric machine casing (1) the front end setting Have front motor cover (2), electric machine casing (1) rear end is provided with electric power connection line (3), front motor cover (2) the front end setting Having assembles post (4), assembles post (4) front end is equipped with shaft (5), and the electric machine casing (1) is internally provided with rotor (7), Rotor (7) lower end is provided with magnet (8), and magnet (8) lower end is provided with stator (9), setting on the right side of the rotor (7) Have driver (10), be provided with position sensor (11) on the outside of the driver (10), rotor (7) front end is provided with actively It takes turns (12), the driven wheel (13) being engaged with is installed on the right side of the driving wheel (12), the electric machine casing (1) is internally provided with DC motor speed-regulating device (15), DC motor speed-regulating device (15) front end are provided with adjustment knob (14).

2. a kind of DC brushless motor according to claim 1, it is characterised in that: the stator (9), position sensor (11), conducting wire (6), DC motor speed-regulating device (15) are electrically connected with the power supply.

3. a kind of DC brushless motor according to claim 1, it is characterised in that: the electric machine casing (1) is used can be antimagnetic Material be made.

4. a kind of DC brushless motor according to claim 1, it is characterised in that: the driver (10) is by power electronic Device and integrated circuit are constituted.

5. a kind of DC brushless motor according to claim 1, it is characterised in that: the driving wheel (12) and driven wheel (13) number of teeth, revolving speed is consistent, and is all made of cemented carbide material.