CN216491260U - Built-in circuit board of direct current permanent magnet brushless motor - Google Patents
Built-in circuit board of direct current permanent magnet brushless motor Download PDFInfo
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- CN216491260U CN216491260U CN202122863622.5U CN202122863622U CN216491260U CN 216491260 U CN216491260 U CN 216491260U CN 202122863622 U CN202122863622 U CN 202122863622U CN 216491260 U CN216491260 U CN 216491260U
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Abstract
The utility model provides a circuit board with a built-in direct current permanent magnet brushless motor, which comprises a circuit board body, wherein the circuit board body is in a circular structure, a four-layer board design is adopted on the circuit board, power lines and signal lines of the motor are simultaneously distributed on the board, the circuit board adopts a two-layer structure in a two-layer wiring mode, the current of each layer can be reduced, the excircle of the circuit board is designed into a mode of an open elongated slot, so that an enameled wire is convenient to connect to the board without binding and plugging, in order to facilitate the wiring of the enameled wire, an open slot is adopted, the enameled wire is directly pulled in from the outside, the threading is not needed, the operation is simpler, the power lines of the circuit board are divided into two paths of wiring, the sectional area of the wiring on a single-layer board is directly reduced, the space of the circuit board is saved, the same volume of the circuit board can pass larger current, and the circuit board with a new structure avoids the defects of a conventional mode, is convenient for mass production and simplifies the production process.
Description
Technical Field
The utility model relates to a motor assembly, in particular to a built-in circuit board of a direct-current permanent magnet brushless motor.
Background
The circuit board has the following names: the printed circuit board comprises a circuit board, a PCB (printed circuit board), an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultrathin circuit board, a printed (copper etching technology) circuit board and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electrical appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, the Hall element can only be simply placed in the conventional circuit board structure, the power line and the enameled wire are additionally and manually welded, after the insulating sleeve is sleeved, the power line is plugged into the hollow space of the groove, the power line is bound at the end part of the stator and is led out of the motor together in a concentrated mode. The method occupies the space in the groove, and is difficult to operate and easy to damage the thread for products with limited space.
SUMMERY OF THE UTILITY MODEL
Aiming at the prior art, the utility model provides a circuit board with a built-in direct-current permanent magnet brushless motor, which solves the problems that the space occupied in a groove is limited in the prior art, the operation is difficult and the wire is easy to be damaged.
A circuit board with a built-in direct current permanent magnet brushless motor comprises a circuit board body, wherein the circuit board body is of a circular structure, a power line and a signal line on the motor are welded on the circuit board body, the outer circle of the circuit board body is designed to be in an open elongated slot mode, an enameled wire on the motor is pulled into the open elongated slot from the outer side, the enameled wire is convenient to connect to a board through the open elongated slot mode, the circuit board body is of a two-layer structure, and the two-layer structure is used for reducing current of each layer.
Preferably, a plurality of drainage openings are formed in the edge of the circuit board body.
Preferably, the edge of the circuit board body is provided with a plurality of positioning openings.
Preferably, one surface of the circuit board body is made of a magnetic conductive material, and the other surface of the circuit board body is an insulating layer.
Preferably, the circuit board body edge is provided with a positioning hole, the positioning hole is used for positioning the stator framework, and the positioning hole is provided with a matched positioning cylinder block.
The utility model has the beneficial effects that:
the novel circuit board structure enables wiring and welding on the circuit board, binding and plugging wires are not needed, in order to facilitate wiring of the enameled wire, an open slot is adopted, the enameled wire is directly pulled in from external measurement, threading is not needed, the operation is simpler, the power line 11 of the circuit board is divided into two paths of wiring, the sectional area of a wiring copper foil on a single-layer board is directly reduced, the space of the circuit board is saved, the same volume of the circuit board can pass through larger current, the novel-structure circuit board avoids the defects of a conventional mode, and mass production and simplified production processes are facilitated.
Drawings
FIG. 1 is a schematic view of a circuit board body;
FIG. 2 is a schematic diagram of a top layer of the circuit board body after signal lines and power lines are mounted thereon;
fig. 3 is a schematic bottom view of the circuit board body after signal lines and power lines are mounted.
In the figure: 1-a circuit board body; 2-an open elongated slot; 3-positioning holes; 11-a power line; 12-signal line.
Detailed Description
As shown in fig. 1 to 3, the printed circuit board includes a circuit board body 1, the circuit board body 1 is a circular structure, a power line 11 and a signal line 12 on a motor are welded to the circuit board body 1, an outer circle of the circuit board body 1 is designed in a manner of an open elongated slot 2, an enameled wire on the motor is drawn into the open elongated slot 2 from an outer side, the enameled wire is conveniently connected to the circuit board body 1 in the manner of the open elongated slot 2, and the circuit board body 1 adopts a two-layer structure for reducing current of each layer.
Specifically, through the circuit board design, reduce the space and occupy, with power cord 11 and signal line 12 cloth on the board simultaneously, guarantee the sufficient safe distance in line-to-line, the electric current of power cord 11 is big, this structure adopts and divide into two with the wiring of each looks, lays respectively on two-layer, reduces the electric current on every layer, reaches through the reposition of redundant personnel and reduces the wiring width, makes the circuit board area as far as possible little, through the mode at circuit board excircle design opening elongated slot 2, makes the enameled wire be convenient for to connect on the board.
In this embodiment, the edge of the body is provided with a plurality of drainage openings.
The edge of the body is provided with a plurality of positioning openings.
One surface of the circuit board body 1 is made of a magnetic conductive material, and the other surfaces are insulating layers.
In particular, the purpose of the vents is to direct the flow of resin from one side of the circuit board to the other.
Preferably, the edge of the circuit board body 1 is provided with a positioning hole 3, the positioning hole 3 is used for positioning the stator framework, and the positioning hole 3 is provided with a positioning cylinder which is matched with the positioning cylinder in a clamping manner.
Specifically, the Hall position is ensured to be correct and the enameled wire welding position is ensured to be correct through the positioning of the circular hole on the circuit board body 1 and the cylinder on the stator framework.
In the utility model, it is noted that the new circuit board structure is connected and welded on the circuit board without binding and plugging wires, in order to facilitate the connection of the enameled wires, an open slot is adopted, the enameled wires are directly drawn in from the outside without threading, the operation is simpler, the power line 11 of the circuit board body 1 is divided into two paths of wiring, the sectional area of the wiring copper foil on the single-layer board is directly reduced, the space of the circuit board is saved, the same volume of the circuit board can pass larger current, the new structure circuit board avoids the defects of the conventional mode, and is convenient for mass production and production simplification of the production process.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a built-in circuit board of direct current permanent magnet brushless motor which characterized in that: the motor enameled wire connection structure comprises a circuit board body, wherein the circuit board body is of a circular structure, a power line and a signal line on a motor are welded on the circuit board body, the outer circle of the circuit board body is designed to be in a mode of an open long groove, an enameled wire on the motor is pulled into the open long groove from the outer side, the enameled wire is convenient to connect to the circuit board body in the mode of the open long groove, the circuit board body is of a two-layer structure, and the two-layer structure is used for reducing current of each layer.
2. The built-in circuit board of a dc permanent magnet brushless motor according to claim 1, characterized in that: a plurality of drainage openings are formed in the edge of the circuit board body.
3. The built-in circuit board of a dc permanent magnet brushless motor according to claim 1, characterized in that: the edge of the circuit board body is provided with a plurality of positioning openings.
4. The built-in circuit board of a dc permanent magnet brushless motor according to claim 1, characterized in that: one side of the circuit board body is made of a magnetic conductive material, and the other surfaces of the circuit board body are insulating layers.
5. The built-in circuit board of a dc permanent magnet brushless motor according to claim 1, characterized in that: the circuit board is characterized in that a positioning hole is formed in the edge of the circuit board body and used for positioning the stator framework, and a positioning cylinder matched with the positioning hole is arranged at the positioning hole in a clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122863622.5U CN216491260U (en) | 2021-11-22 | 2021-11-22 | Built-in circuit board of direct current permanent magnet brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122863622.5U CN216491260U (en) | 2021-11-22 | 2021-11-22 | Built-in circuit board of direct current permanent magnet brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216491260U true CN216491260U (en) | 2022-05-10 |
Family
ID=81398443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122863622.5U Active CN216491260U (en) | 2021-11-22 | 2021-11-22 | Built-in circuit board of direct current permanent magnet brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216491260U (en) |
-
2021
- 2021-11-22 CN CN202122863622.5U patent/CN216491260U/en active Active
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| GR01 | Patent grant |