Motor stator using circuit board to connect windings

Abstract

The utility model relates to a motor stator using a circuit board to connect a winding, which belongs to the motor field and comprises a stator, a flat copper wire is arranged in the stator, the circuit board is arranged on the stator, a connecting sheet and a welding hole are arranged on the circuit board, the flat copper wire is connected with the welding hole, the welding hole is connected with the connecting sheet, and the winding is connected with the circuit board. The circuit board is provided with an input terminal and a connecting piece, the connecting piece is connected with the input terminal, an inner ring of the circuit board is provided with a Hall circuit board, the front of the Hall circuit board is provided with a Hall sensor, and the Hall sensor is connected with the stator. The annular circuit board is arranged on the stator, and the top end of the U-shaped flat copper wire is connected with the welding hole of the circuit board to form a series circuit, so that the motor winding is more convenient to connect, and the cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor stator connected with winding by circuit board in the field of motor. BACKGROUND

[0002] Motor stator, the device that rotates by the current of copper wire winding produces magnetic field to push rotor, generally by annular silicon steel sheet superposition and form annular, the recess that evenly distributed inside, the recess inside is equipped with annular copper coil. The winding of current motor stator is roughly divided into two kinds, one is annular coil winding, another is U type flat wire winding. The advantages of annular coil winding motor stator are low manufacturing cost, suitable for high voltage, the disadvantage is that the embedding wire process is complicated, and the production efficiency is not high. The advantages of U type flat wire winding motor stator are that embedding wire is easy, suitable for low voltage, the disadvantage is that the manufacturing cost is high, U type flat wire shaping process is complicated, and welding difficulty is high. Therefore, a motor stator with easy embedding wire, low manufacturing cost and suitable for high and low voltage is needed.

[0003] Application No. ZL2023233664686 A kind of flat wire motor stator, flat wire motor and power assembly. Flat wire motor stator includes stator core, stator winding and at least one group of busbar. Wherein, the stator core includes the inner circumferential surface and the outer circumferential surface opposite along the radial direction of stator core, the inner circumferential surface includes the multiple winding slots along the axial direction of stator core and is penetrated, multiple winding slots are arranged along the circumferential direction of stator core and are spaced, the slot opening of each winding slot is towards the axle hole of stator core. Stator winding includes multiple groups of flat wires, each group of flat wires includes multiple flat wires, and each flat wire of each group of flat wires is used to pass through one winding slot along the axial direction of stator core, and the multiple flat wires of each group of flat wires are sequentially and spaced along the radial direction of stator core. Each group of busbar includes at least one busbar, and each group of busbar is used to electrically connect one end of the multiple groups of flat wires along the axial direction of stator core. The production cost of the flat wire motor stator provided in the application is relatively low.

[0004] The utility model relates to a kind of winding structure of stator of flat wire motor, including stator core, the inner wall of the stator core is fixedly connected with annular arrangement stator winding frame, the stator winding frame is symmetrically concave letter design, the inner wall of each stator winding frame is wound with flat copper-clad cable, the inside of the stator core is equipped with rotor yoke, the outer surface of the rotor yoke is fixedly connected with annular arrangement rotor magnetic pole, the outer surface of the stator core is fixedly connected with annular arrangement mounting block, the upper surface of each mounting block is equipped with mounting hole, the outer surface of the stator core is equipped with annular arrangement installation buckle groove.The device is effectively reduced by the stator core, stator winding frame and the design of symmetric concave letter of it, the volume of stator winding frame, so that flat copper-clad cable more bulky winding in stator winding frame, effectively increase the slot fullness of stator winding, facilitate the power of motor and use.

[0005] The stator of the above-described flat wire motor uses a stator core, a stator winding, a bus bar, an inner peripheral surface, an outer peripheral surface, a winding slot, a flat wire, and a bus bar to realize low production cost of the stator. Utility model content

[0006] The utility model discloses a motor stator using circuit board connection winding adopts the stator of cylindrical, install U type flat copper line in the wire embedding groove of the inner ring of stator, install the circular ring line board on the stator, the top of U type flat copper line is connected with the welding hole of line board and forms series connection circuit, so that motor winding connection is more convenient, and cost is lower.

[0007] The utility model discloses a motor stator using circuit board connection winding includes stator 1, the inside of stator 1 is installed flat copper line 8, the upper surface of stator 1 is installed line board 2, the upper surface of line board 2 is provided with connecting piece 3 and welding hole 4, flat copper line 8 is connected with welding hole 4, welding hole 4 is connected with connecting piece 3, connecting piece 3 is connected with input terminal 5, the inner ring of line board 2 is installed hall circuit board 6, the front of hall circuit board 6 is installed hall sensor 7, and hall sensor 7 is connected with stator 1.

[0008] Further, the stator 1 is cylindrical, and 12-96 C-shaped grooves are vertically and uniformly arranged on the inner wall towards the center.

[0009] Further, the circuit board 2 is made of insulating material in the shape of a circular ring, and 12-96 circular welding holes 4 are arranged on the circuit board 2.

[0010] Further, the connecting pieces 3 are made of red copper in the shape of long strips, and the number of the connecting pieces 3 is 6-48. A circular hole is arranged at each end of each connecting piece 3, and the diameter of the circular hole is equal to the diameter of the welding hole 4. The input terminals 5 are arranged on 3-4 connecting pieces 3.

[0011] Further, the Hall circuit board 6 is made of insulating material in the shape of an arc, and the inner circle of the Hall circuit board 6 is connected to the circuit board 2. The circuit on the Hall circuit board 6 is connected to the pins of 3-4 Hall sensors 7, and all the Hall sensors 7 are embedded in the inner wall of the stator 1.

[0012] Further, the flat copper wires 8 are in the shape of U, and the number of the flat copper wires 8 is 6-96. The top ends of all the flat copper wires 8 are welded in the inside of the welding hole 4 in groups.

[0013] Advantages: The existing motor stator with a ring-shaped coil winding has the advantages of low manufacturing cost and being suitable for high voltage, but has the disadvantages of complicated embedding process and low production efficiency. The existing motor stator with a U-shaped flat wire winding has the advantages of easy embedding and being suitable for low voltage, but has the disadvantages of high manufacturing cost, complicated U-shaped flat wire shaping process and high welding difficulty.

[0014] The motor stator with a circuit board connected winding adopts a cylindrical stator, U-shaped flat copper wires are arranged in the embedding groove of the inner circle of the stator, a circular ring-shaped circuit board is arranged on the stator, the top ends of the U-shaped flat copper wires are connected to the welding holes of the circuit board to form a series circuit, so that the motor winding connection is more convenient and the cost is lower. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to further illustrate the technical scheme of the present application, the drawings required to be used are briefly described below. The drawings in the following description are only some schematic diagrams of the present application. For those skilled in the art, more drawings can be obtained by combining these drawings without creativity.

[0016] Figure 1 It is a front view of a motor stator with a circuit board connected winding.

[0017] Figure 2 It is a structural schematic diagram of the circuit board, the connecting piece, the welding hole, the input terminal, the Hall circuit board, the Hall sensor and the flat copper wire.

[0018] In the drawings, 1 is a stator, 2 is a circuit board, 3 is a connecting piece, 4 is a welding hole, 5 is an input terminal, 6 is a Hall circuit board, 7 is a Hall sensor, and 8 is a flat copper wire. DETAILED DESCRIPTION

[0019] The structure and shape of the utility model are shown in the drawings and the drawings, the detailed description Embodiment one

[0020] Referring to the drawings Figures 1-2 A motor stator with winding connected by circuit board comprises a stator 1, the stator 1 is used for fixing a circuit board 2 and a flat copper wire 8 and generating a magnetic field, the inside of the stator 1 is installed with the flat copper wire 8, the flat copper wire 8 is used for conducting current, the upper surface of the stator 1 is installed with the circuit board 2, the circuit board 2 is used for fixing a connecting piece 3 and a welding hole 4, the upper surface of the circuit board 2 is provided with the connecting piece 3 and the welding hole 4, the connecting piece 3 is used for connecting the flat copper wire 8 of ABC group, the welding hole 4 is used for fixing the welded flat copper wire 8, the flat copper wire 8 is connected with the welding hole 4, the welding hole 4 is connected with the connecting piece 3, the connecting piece 3 is connected with an input terminal 5, the input terminal 5 is used for connecting the flat copper wire 8 and a lead wire, the inner circle of the circuit board 2 is installed with a Hall circuit board 6, the Hall circuit board 6 is used for fixing and connecting a Hall sensor 7, the front surface of the Hall circuit board 6 is installed with the Hall sensor 7, the Hall sensor 7 is used for sensing the phase magnetic field of a rotor, and the Hall sensor 7 is connected with the stator 1.

[0021] Referring to the drawings Figure 1 The stator 1 is cylindrical, and 12-96 C-shaped grooves are vertically and uniformly arranged on the inner wall towards the center.

[0022] Referring to the drawings Figures 1-2 The circuit board 2 is a circular ring made of insulating material, and 12-96 circular welding holes 4 are arranged on the upper surface.

[0023] Referring to the drawings Figures 1-2 The connecting piece 3 is a long strip made of red copper, and the number is 6-48, one round hole is arranged at each end of each connecting piece 3, the diameter of the round hole is equal to the diameter of the welding hole 4, and 3-4 connecting pieces 3 are installed with input terminals 5 on the upper surface.

[0024] Referring to the drawings Figures 1-2 The Hall circuit board 6 is an arc made of insulating material, and the upper surface of the Hall circuit board 6 is connected with the inner circle of the circuit board 2, the circuit on the upper surface of the Hall circuit board 6 is connected with the pins of 3-4 Hall sensors 7, and all the Hall sensors 7 are embedded in the inner wall of the stator 1.

[0025] Referring to the drawings Figure 2 The flat copper wire 8 is U-shaped, and the number is 6-96 groups, and the top ends of all the flat copper wires 8 are welded in the inside of the welding hole 4. Embodiment two

[0026] A motor stator with winding connected by circuit board, the flat copper wire 8 is a Q-shaped multi-strand winding. Embodiment three

[0027] A motor stator with windings connected by a circuit board, the connecting tabs 3 are S-shaped. Example four

[0028] A motor stator with windings connected by a circuit board, comprising a stator 1, a circuit board 2, connecting tabs 3, solder holes 4, input terminals 5, flat copper wires 8.

[0029] The above only is the routine disclosure of the present application, and is not any form of restriction on the present application; any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled in the art without departing from the technical scheme of the present application, implementing the above-mentioned technology and any equivalent changes, adjustment, modification and evolution etc. made by the skilled

Claims

1. A motor stator that utilizes a circuit board to connect windings, comprising a stator, characterized in that: Flat copper wires are installed inside the stator, and a circuit board is installed on the top of the stator. Connecting pieces and soldering holes are provided on the top of the circuit board. The flat copper wires are connected to the soldering holes, the soldering holes are connected to the connecting pieces, and the connecting pieces are connected to the input terminals. A Hall circuit board is installed on the inner ring of the circuit board, and a Hall sensor is installed in front of the Hall circuit board. The Hall sensor is connected to the stator.

2. The motor stator using a circuit board to connect windings according to claim 1, characterized in that: The stator is cylindrical, with 12-96 C-shaped grooves evenly arranged vertically on the inner wall facing the center.

3. The motor stator using a circuit board to connect windings according to claim 1, characterized in that: The circuit board is a ring-shaped piece of insulating material with 12-96 circular solder holes arranged on it.

4. The motor stator using a circuit board to connect windings according to claim 1, characterized in that... The connecting pieces are long strips made of red copper, numbering 6-48. Each connecting piece has a round hole at both ends, the diameter of which is equal to the diameter of the welding hole. Input terminals are installed on 3-4 of the connecting pieces.

5. A motor stator using a circuit board to connect windings according to claim 1, characterized in that... The Hall circuit board is an arc shape made of insulating material, connected to the inner ring of the circuit board at the top. The circuit on the Hall circuit board is connected to the pins of 3-4 Hall sensors. All Hall sensors are embedded in the inner wall of the stator.

6. A motor stator using a circuit board to connect windings according to claim 1, characterized in that... The flat copper wires are U-shaped and come in 6-96 groups. The tops of all the flat copper wires are grouped and welded inside the welding holes.

7. A motor stator using a circuit board to connect windings according to claim 1, characterized in that... The flat copper wire is a Q-type multi-strand winding.

8. A motor stator using a circuit board to connect windings according to claim 1, characterized in that... The connecting piece is S-shaped.

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