阅读说明：本技术 具有光传感控制器的永磁无刷直流电机 (Permanent magnet brushless DC motor with photo-sensing controller ) 是由 罗杰 于 2020-05-15 设计创作，主要内容包括：本发明公开了具有光传感控制器的永磁无刷直流电机,包括一端为封闭端、另一端为敞口端的外壳,敞口端中部设有安装孔,外壳通过安装口设置有转轴,转轴一端位于外壳的封闭端、另一端位于外壳外部,且转轴中心线与外壳中心线重合；所述外壳内部设置靠近封闭端的光传感控制器和靠近敞口端的驱动组件,其中光传感控制器包括N层依次放置的转子盘,N为大于等于3的奇数；转子盘固定连接在转轴上,可随转轴的自转而同速度转动,任意两个相邻转子盘之间形成转子区间,且位于转子区间的转轴上设置一字激光头、且转子区间的边缘处均匀设置遮挡板、任意两个相邻遮挡板之间的留有空隙作为透光口；所述一字激光头的激光脉冲发送范围为360°。(The invention discloses a permanent magnet brushless direct current motor with an optical sensing controller, which comprises a shell, wherein one end of the shell is a closed end, the other end of the shell is an open end, the middle part of the open end is provided with a mounting hole, the shell is provided with a rotating shaft through a mounting hole, one end of the rotating shaft is positioned at the closed end of the shell, the other end of the rotating shaft is positioned outside the shell, and the central line of the rotating shaft is superposed with the central; the inside of the shell is provided with a light sensing controller close to the closed end and a driving assembly close to the open end, wherein the light sensing controller comprises N layers of rotor disks which are sequentially placed, and N is an odd number which is more than or equal to 3; the rotor disks are fixedly connected to the rotating shaft and can rotate at the same speed along with the rotation of the rotating shaft, a rotor interval is formed between any two adjacent rotor disks, a linear laser head is arranged on the rotating shaft positioned in the rotor interval, shielding plates are uniformly arranged at the edge of the rotor interval, and a gap reserved between any two adjacent shielding plates is used as a light transmitting opening; the laser pulse transmission range of the linear laser head is 360 degrees.)

1. The permanent magnet brushless direct current motor with the optical sensing controller comprises a shell (1) with one end being a closed end and the other end being an open end, wherein a mounting hole is formed in the middle of the open end, the shell (1) is provided with a rotating shaft (2) through a mounting hole, one end of the rotating shaft (2) is located at the closed end of the shell (1), the other end of the rotating shaft (2) is located outside the shell (1), and the central line of the rotating shaft (2) is superposed with the central line of the shell (1); the method is characterized in that: the shell (1) is internally provided with a light sensing controller close to the closed end and a driving component close to the open end, wherein

The optical sensing controller comprises N layers of rotor disks (12) which are sequentially arranged, wherein N is an odd number which is more than or equal to 3; the rotor discs (12) are fixedly connected to the rotating shaft (2) and can rotate at the same speed along with the rotation of the rotating shaft (2), a rotor interval is formed between any two adjacent rotor discs (12), a linear laser head (9) is arranged on the rotating shaft positioned in the rotor interval, shielding plates are uniformly arranged at the edge of the rotor interval, and a gap reserved between any two adjacent shielding plates is used as a light transmission port; the laser pulse sending range of the linear laser head (9) is 360 degrees, and a formed laser pulse emitting layer is parallel to the rotor disc (12); the linear laser head (9) sends out laser pulse signals through the light-transmitting port, the laser receiver assembly (6) receives the laser pulse signals and sends the laser pulse signals to the electronic commutator assembly (5), the laser receiver assembly (6) is positioned on one side of the rotor disc (12) and is formed by vertically arranging laser receivers, the number of the laser receivers is N-1, and one laser receiver corresponds to one rotor interval;

the driving assembly comprises an electronic commutator assembly (5) consisting of a plurality of electronic commutators, the input end of the electronic commutator is connected with an OUT pin of the laser receiver, the output end of the electronic commutator comprises an OUT-A pin and an OUT-B pin, the two output ends are respectively connected with the head end and the tail end of the coil assembly (7), the driving assembly comprises a rotor disc (12) with a permanent magnet (8) arranged on the surface, and when the permanent magnet (8) is arranged on one side of the rotor disc (12) in a patch manner; the driving assembly comprises a layer of rotor disc (12) and a layer of stator disc (3), and the stator disc (3) is provided with a coil part (7) at one side close to the permanent magnet (8); or when the permanent magnet (8) is embedded on the rotor disc (12), the permanent magnet N stage (81) is positioned on one side of the rotor disc (12), and the permanent magnet S stage (82) is positioned on the other side of the rotor disc (12), the driving assembly comprises a layer of rotor disc (12) and two layers of stator discs (3), and the two stator discs (3) are uniformly provided with the coil part (7) on one side close to the permanent magnet (8);

a stator disc (3) in the driving assembly is connected with the inner wall of the shell, a small hole through which a rotating shaft (2) can penetrate is reserved in the middle, and a rotor disc (12) is fixedly connected to the rotating shaft (2); the number of the permanent magnets (8) is at least X, and X is a natural number more than or equal to 2.

2. The permanent magnet brushless dc motor having an optical sensor controller according to claim 1, wherein: the coil assembly (7) is obliquely arranged on the stator disc (3) at an angle of 10-80 degrees; the stator disc (3) is obliquely arranged into a coil a (71) in the clockwise direction and is obliquely arranged into a coil b (72) in the anticlockwise direction.

3. The permanent magnet brushless dc motor having an optical sensor controller according to claim 2, wherein: when the coil assembly (7) comprises a coil a (71) or a coil b (72), the number of light transmission openings in each layer is 2, the light transmission openings form a light transmission angle Q by taking the rotating shaft as a center, and Q is 360 degrees/{ X (N-1) }; the arc edge lines on the same side of each layer of light-transmitting openings project to a plane in the same direction to form a virtual circle, and the arc edge lines have no overlapped sections and only end points coincide.

4. The permanent magnet brushless dc motor having an optical sensor controller according to claim 1, wherein: the coil assembly (7) comprises a coil a (71) which is obliquely placed clockwise and a coil b (72) which is obliquely placed anticlockwise, and the inclination angle is 10-80 degrees; one ends of the coil coils a (71) and b (72) are connected, and a V-shaped or inverted V-shaped ring assembly (7) is formed on the stator disc (3).

5. The permanent magnet brushless dc motor having an optical sensor controller according to claim 4, wherein: when the ring assembly (7) is V-shaped or inverted V-shaped, the number of the light transmission openings in each layer is 4, the light transmission openings form a light transmission angle Q by taking the rotating shaft as a circle center, and Q is 360 degrees/{ X (N-1) × 2 }; the arc edge lines on the same side of each layer of light-transmitting openings project to a plane in the same direction to form a virtual circle, and the arc edge lines have no overlapped sections and only end points coincide.

6. The permanent magnet brushless dc motor having an optical sensor controller according to claim 4, wherein: the inclination angle is 45 °.

7. The permanent magnet brushless dc motor having an optical sensor controller according to claim 1, wherein: the end that pivot (2) are located shell (1) sets up wireless receiving module (10) that charges, matches with wireless sending module (11) that charge who connects at shell (1) inner wall, and wireless sending module (11) that charge and laser receiver subassembly (6) are connected a power, and No. two powers are connected in electronic commutator subassembly (5).

8. The permanent magnet brushless dc motor having an optical sensor controller according to claim 1, wherein: the stator disc (3) is arranged on the inner wall of the shell through a stator connecting piece (4).

9. The permanent magnet brushless dc motor having an optical sensor controller according to claim 1, wherein: the electronic commutator adopts BED01-20V 3A.

10. The brushless DC motor with permanent magnet having photo sensor controller of claim 1, wherein the laser receiver is SUK-L2010.

Technical Field

The invention belongs to the field of motors, and relates to a permanent magnet brushless direct current motor with an optical sensing controller.

Background

The existing motors commonly used by electric automobiles comprise a permanent magnet direct current brush motor, a permanent magnet direct current brushless motor, an alternating current induction asynchronous motor and a switched reluctance motor, and all the motors are provided with electronic control equipment and a microcomputer control technology. When two groups of three groups of coils of the Hall motor are conducted, one group is disconnected, so that the rotating speed and the torque of the motor can be influenced.

Therefore, in order to reduce the cost of the motor and improve the working performance, the motor controller becomes one of the breakthrough directions of the cost and the technology of the electric automobile.

Disclosure of Invention

The invention aims to: the permanent magnet brushless direct current motor with the photo-sensing controller has the advantages that the pulse signal of the laser sensor directly controls the electronic commutator, the time delay is small, and the like, and solves the problem that the traditional brushless motor can control the electronic commutator only by converting the sensor signal into a digital signal and processing and feeding back the digital signal through a single chip microcomputer.

The technical scheme adopted by the invention is as follows:

the permanent magnet brushless direct current motor with the optical sensing controller comprises a shell with one end being a closed end and the other end being an open end, wherein a mounting hole is formed in the middle of the open end; the shell is internally provided with a light sensing controller close to the closed end and a driving assembly close to the open end, wherein

The optical sensing controller comprises N layers of rotor disks which are sequentially arranged, wherein N is an odd number which is more than or equal to 3; the rotor disks are fixedly connected to the rotating shaft and can rotate at the same speed along with the rotation of the rotating shaft, a rotor interval is formed between any two adjacent rotor disks, a linear laser head is arranged on the rotating shaft positioned in the rotor interval, shielding plates are uniformly arranged at the edge of the rotor interval, and a gap reserved between any two adjacent shielding plates is used as a light transmitting opening; the laser pulse sending range of the linear laser head is 360 degrees, and a formed laser pulse emitting layer is parallel to the rotor disc; the laser head emits laser pulse signals through the light-transmitting port, the laser receiver assembly receives the laser pulse signals and sends the laser pulse signals to the electronic commutator assembly, the laser receiver assembly is positioned on one side of the rotor disc and is formed by vertically arranging the laser receivers, the number of the laser receivers is N-1, and one laser receiver corresponds to one rotor interval;

the driving assembly comprises an electronic commutator assembly consisting of a plurality of electronic commutators, the input end of the electronic commutator is connected with the OUT pin of the laser receiver, the output end of the electronic commutator comprises an OUT-A pin and an OUT-B pin, the two output ends are respectively connected with the head end and the tail end of the coil assembly, the driving assembly comprises a rotor disc, a rotor core and a rotor core, wherein the surface of the rotor disc is provided with a permanent magnet,

When the permanent magnet is arranged on one side of the rotor disc in a surface mounting mode; the driving assembly comprises a layer of rotor disc and a layer of stator disc, and the stator disc is provided with a coil piece on one side close to the permanent magnet; or when the permanent magnet is embedded on the rotor disc, the N level of the permanent magnet is positioned on one side of the rotor disc, and the S level of the permanent magnet is positioned on the other side of the rotor disc, the driving assembly comprises a layer of rotor disc and two layers of stator discs, and the two stator discs are uniformly provided with the coil part on one side close to the permanent magnet;

a stator disc in the driving assembly is connected with the inner wall of the shell, a small hole through which a rotating shaft can penetrate is reserved in the middle, and a rotor disc is fixedly connected to the rotating shaft; the number of the permanent magnets is at least X, and X is a natural number more than or equal to 2.

Preferably, the coil assembly is obliquely arranged on the stator disc, and the inclination angle is 10-80 degrees; the stator disc is obliquely arranged into a coil a clockwise and a coil b anticlockwise.

Preferably, when the coil assembly comprises the coil a or the coil b, the number of the light transmission openings in each layer is 2, and the light transmission openings form a light transmission angle Q by taking the rotating shaft as a center, wherein Q is 360 °/{ X (N-1) }; the arc edge lines on the same side of each layer of light-transmitting openings project to a plane in the same direction to form a virtual circle, and the arc edge lines have no overlapped sections and only end points coincide.

Preferably, the coil assembly comprises a coil a placed obliquely clockwise and a coil b placed obliquely anticlockwise, and the inclination angle is 10-80 degrees; one end of the coil a is connected with one end of the coil b, and a V-shaped or inverted V-shaped ring assembly is formed on the stator disc.

Preferably, when the ring assembly is V-shaped or Λ -shaped, the number of the light transmission openings in each layer is 4, and the light transmission openings form a light transmission angle Q with the rotating shaft as a circle center, where Q is 360 °/{ X (N-1) × 2 }; the arc edge lines on the same side of each layer of light-transmitting openings project to a plane in the same direction to form a virtual circle, and the arc edge lines have no overlapped sections and only end points coincide.

Preferably, the inclination angle is 45 °

Preferably, the end of the rotating shaft located in the shell is provided with a wireless charging receiving module which is matched with a wireless charging sending module connected to the inner wall of the shell, the wireless charging sending module and the laser receiver assembly are connected with a first power supply, and the electronic commutator assembly is connected with a second power supply.

Preferably, the stator disc is arranged on the inner wall of the housing by means of a stator connection.

Preferably, the electronic commutator adopts BED01-20V 3A.

Preferably, the laser receiver employs SUK-L2010.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the permanent magnet brushless direct current motor with the optical sensor controller can receive the light wave signal even if the optical sensor is positioned between the two permanent magnets, so that the coil is conducted to continue working.

2. In the invention, each coil group of the optical sensing controller is independently controlled, the transmission direction of the current of the coil group can be flexibly switched, and the flexibility is extremely high; the heating value of the coil is smaller than that of the coil of the traditional brushless motor which is connected in series.

3. The laser receiver belongs to the classification of light wave signal controllers, and has the characteristics of stable signals, high accuracy and the like, and also has the advantages of interference prevention, high response speed and the like.

4. When the coil assembly of the optical sensing controller is V-shaped or inverted V-shaped, the attraction range of the coil assembly is enlarged, and the coil assembly has stronger attraction or repulsion force.

5. When the coil assembly of the light sensing controller adopts the coil a (71) or the coil b (72), the attraction range of the coil assembly is enlarged.

6. The light transmission opening of the light sensing controller forms a light transmission angle Q by taking the rotating shaft as a circle center, wherein the Q is 360 degrees/{ X (N-1) × 2 }; the arc edge lines on the same side of each layer of light-transmitting openings are projected to a plane in the same direction to form a virtual circle, the arc edge lines are free of overlapped sections and only end points are overlapped to represent continuous and unrepeated work, one rotating shaft rotates for one circle, and all the light-transmitting openings pass through the laser receiver assembly to complete one period of work.

7. The time that the light sensing controller is turned off without doing work adds less. Therefore, under the conditions of the same number of permanent magnets, the same number of coils, the same power and the same load, the rotation speed and the torque of the photo-sensing motor are higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a three-layer rotor disk structure of the present invention;

FIG. 3 is a schematic view of a five-layer rotor disk structure of the present invention;

FIG. 4 is a partially enlarged view showing a first coil layout state of the present invention;

FIG. 5 is a partially enlarged view showing a second coil layout state of the present invention;

FIG. 6 is a partial enlarged view of a third coil layout of the present invention;

FIG. 7 is a schematic flow diagram of the present invention;

fig. 8 is a circuit diagram in an embodiment of the invention. (ii) a

The labels in the figure are: the device comprises a shell 1, a rotating shaft 2, a stator 3, a stator 4, a stator disk connector 5, an electronic commutator assembly 6, a laser receiver assembly 7, a coil assembly 8, a permanent magnet 9, a laser head 10, a wireless charging receiving module 11, a wireless charging sending module 12, a rotor disk 71, a coil a 72, a coil b 81, a permanent magnet N stage and a permanent magnet S stage 82.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.