CN210093134U - Circuit layout structure of brushless controller for driving multiple motors - Google Patents

Abstract

The utility model discloses a circuit layout structure of brushless controller of many motors of drive, place the intermediate position at the PCB board with first power supply unit module, the fourth is placed from control unit module and third main control unit module to the higher authority, place the fifth from control unit module and sixth from control unit module below, four motors can be driven to application above-mentioned layout structure, the power connects two way entrance control module about the later current flow simultaneously, the distance between control module and the power module has been shortened greatly, reduce the fabric space, and shorter return circuit distance can reduce the consumption, thereby it is asynchronous to avoid the control chip response to untimely influence four motor rotations.

Description

Circuit layout structure of brushless controller for driving multiple motors

Technical Field

The utility model belongs to the technical field of the circuit layout and specifically relates to a circuit layout structure of brushless controller of many motors of drive mainly is used in various motor drive circuit occasions.

Background

As shown in fig. 1 and 2, the layout structures of the existing driving circuits are limited in space, the driving circuits on the PCB need to be distributed in a modularized manner, and the power sockets TB1 and TB2 are placed by the side of the PCB, so that the power supply can only enter from one end, the current flows into the W phase, then the V phase and finally the U phase sequentially from right to left, and the layout mode leads to that the U phase lead is much longer than the W phase lead, the lead has upper line impedance as long as the lead, and the voltage drop occurs when the impedance is large, thereby causing three-phase imbalance.

SUMMERY OF THE UTILITY MODEL

For remedying the three-phase balance, the utility model provides a circuit layout structure of the brushless controller for driving a plurality of motors.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a circuit layout structure of a brushless controller for driving a plurality of motors comprises a PCB, wherein a first power supply part module is arranged in the middle of the PCB, a fourth slave control part module and a third master control part module are arranged above the first power supply part module, a fifth slave control part module and a sixth slave control part module are arranged below the first power supply part module, the third master control part module, the fourth slave control part module, the fifth slave control part module and the sixth slave control part module are respectively equal to the routing distance of a PCB loop between the first power supply part module, the current output by the first power supply part module is divided into an upper path and a lower path, the upper path enters the fourth slave control part module and the third master control part module, and the lower path enters the fifth slave control part module and the sixth slave control part module; one side of the PCB is used as a wire outlet end, a power interface is arranged in the middle of the PCB, a second motor interface and a first motor interface are arranged above the power interface, and a third motor interface and a fourth motor interface are arranged below the power interface.

Furthermore, a first master control chip of a third master control part module controls a second slave control chip of a fourth slave control part module, a third slave control chip of a fifth slave control part module and a fourth slave control chip of a sixth slave control part module, the second slave control chip, the third slave control chip and the fourth slave control chip respectively control driving chips in the respective modules, the driving chips drive MOS (metal oxide semiconductor) tubes of the corresponding modules and are connected to motor interfaces through UVW (universal voltage bus) terminals, and the motor interfaces are connected to motors to control the motors to rotate.

Further, the third master control part module is connected with the fourth slave control part module, the fifth slave control part module and the sixth slave control part module respectively, the third master control part module is connected with the first motor interface through a UVW terminal, the fourth slave control part module is connected with the second motor interface through a UVW terminal, the fifth slave control part module is connected with the third motor interface through a UVW terminal, and the sixth slave control part module is connected with the fourth motor interface through a UVW terminal.

Further, the first power supply part module is connected with the third master control part module, the fourth slave control part module, the fifth slave control part module and the sixth slave control part module, respectively.

Furthermore, the third main control part module is connected with the second interface part module, and the second interface part module is connected with the signal interface and the dial switch interface.

Has the advantages that:

the utility model discloses place first power supply part module at the intermediate position, the fourth is placed from control unit module and third main control unit module above that, place the fifth below from control unit module and sixth from control unit module, use above-mentioned layout structure can drive four motors, two way upper and lower entering control module of current flow after the power connects simultaneously, the distance between control module and the power module has been shortened greatly, reduce the cloth board space, and shorter return circuit distance can reduce the consumption, thereby it is asynchronous to avoid the untimely four motors of influence of control chip response to rotate.

Drawings

FIG. 1 is a schematic diagram of a conventional driving circuit;

FIG. 2 is a diagram of a conventional driving circuit layout;

fig. 3 is a schematic block circuit diagram of a brushless controller for driving a plurality of motors according to the present invention;

fig. 4 is a circuit layout structure diagram of a brushless controller for driving a plurality of motors according to the present invention;

in the figure: 1-a first power supply part module, 2-a second interface part module, 3-a third main control part module, 301-a first main control chip, 4-a fourth slave control part module, 401-a second slave control chip, 5-a fifth slave control part module, 501-a third slave control chip, 6-a sixth slave control part module, 601-a fourth slave control chip, 7-a power supply interface, 8-a first motor interface, 9-a second motor interface, 10-a third motor interface, 11-a fourth motor interface, 12-a MOS tube, 13-a signal interface, 14-a dial switch interface and 15-a driving chip.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The invention provides a circuit layout structure of a brushless controller for driving a plurality of motors, which comprises a PCB (printed circuit board), wherein a first power supply part module 1 is arranged in the middle of the PCB, a fourth slave control part module 4 and a third master control part module 3 are arranged above the first power supply part module 1, a fifth slave control part module 5 and a sixth slave control part module 6 are arranged below the first power supply part module 1, the third master control part module 3 and the fourth slave control part module 4 are arranged below the third master control part module, the routing distances of the PCB loops between the fifth slave control part module 5 and the sixth slave control part module 6 and the first power supply part module 1 are equal, the current output by the first power supply part module 1 is divided into an upper path and a lower path, the upper path enters the fourth slave control part module 4 and the third master control part module 3, and the lower path enters the fifth slave control part module 5 and the sixth slave control part module 6; one side of the PCB is used as an outlet terminal, a power interface 7 is arranged in the middle of the PCB, a second motor interface 9 and a first motor interface 8 are arranged above the power interface 7, and a third motor interface 10 and a fourth motor interface 11 are arranged below the power interface 7.

In the technical scheme, a rectangular PCB is applied, all interfaces are outgoing on one side of the PCB, module distribution is placed according to the graph in FIG. 4, a power supply module is placed in the middle of the PCB, power is supplied to four control modules after the power enters, the four control modules are distributed on two sides of the power supply module in a pairwise manner, the routing distance of a PCB loop between the four control modules and the power supply module is as short as possible, the distance between the four control modules and the power supply module is averaged as far as possible, and the phenomenon that one control module is very close to the power supply module and the other control module is very far from the power supply module is avoided.

As shown in fig. 3, the first power supply section module 1 is connected with the third master control section module 3 and the fourth slave control section module 4, the fifth slave control part module 5 is connected with the sixth slave control part module 6, the third master control part module 3 is respectively connected with the fourth slave control part module 4, the fifth slave control part module 5 and the sixth slave control part module 6, the third master control part module 3 is connected with the first motor interface 8 through a UVW terminal, the fourth slave control part module 4 is connected with the second motor interface 9 through a UVW terminal, the fifth slave control part module 5 is connected with the third motor interface 10 through a UVW terminal, the sixth slave control part module 6 is connected with the fourth motor interface 11 through a UVW terminal, the third master control part module 3 is connected with the second interface part module 2, and the second interface part module 2 is connected with the signal interface 13 and the dial switch interface 14.

In the above technical solution, the first master control chip 301 of the third master control part module 3 controls the second slave control chip 401 of the fourth slave control part module 4, the third slave control chip 501 of the fifth slave control part module 5 and the fourth slave control chip 601 of the sixth slave control part module 6, the second slave control chip 401, the third slave control chip 501 and the fourth slave control chip 601 respectively control the driving chip 15 in each module, the driving chip 15 drives the MOS transistor 12 of the corresponding module, and is connected to each motor interface through the UVW terminal, and each motor interface is connected to each motor again to control the rotation of each motor.

To the limitation of the protection scope of the present invention, it should be understood by those skilled in the art that, on the basis of the technical solution of the present invention, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present invention.

Claims (5)

1. The utility model provides a circuit layout structure of brushless controller of many motors of drive, it includes the PCB board, its characterized in that: a first power supply part module (1) is arranged in the middle of the PCB, a fourth slave control part module (4) and a third master control part module (3) are arranged above the first power supply part module (1), a fifth slave control part module (5) and a sixth slave control part module (6), a third master control part module (3) and a fourth slave control part module (4) are arranged below the first power supply part module (1), the fifth slave control part module (5) and the sixth slave control part module (6) are respectively equal to the routing distance of a PCB loop between the first power supply part module (1), the current output by the first power supply part module (1) is divided into an upper path and a lower path, the upper path enters the fourth slave control part module (4) and the third master control part module (3), and the lower path enters the fifth slave control part module (5) and the sixth slave control part module (6); one side of the PCB is used as a wire outlet end, a power interface (7) is arranged in the middle of the PCB, a second motor interface (9) and a first motor interface (8) are arranged above the power interface (7), and a third motor interface (10) and a fourth motor interface (11) are arranged below the power interface (7).

2. The circuit layout structure of a brushless controller that drives a plurality of motors according to claim 1, characterized in that: the first master control chip (301) of the third master control part module (3) controls a second slave control chip (401) of a fourth slave control part module (4), a third slave control chip (501) of a fifth slave control part module (5) and a fourth slave control chip (601) of a sixth slave control part module (6), the second slave control chip (401), the third slave control chip (501) and the fourth slave control chip (601) respectively control a driving chip (15) in each module, the driving chip (15) drives an MOS (metal oxide semiconductor) tube (12) of the corresponding module, the driving chips are connected to motor interfaces through UVW terminals, and the motor interfaces are connected to motors again to control the motors to rotate.

3. The circuit layout structure of a brushless controller that drives a plurality of motors according to claim 2, characterized in that: the third main control part module (3) is respectively connected with a fourth slave control part module (4), a fifth slave control part module (5) and a sixth slave control part module (6), the third main control part module (3) is connected with a first motor interface (8) through a UVW terminal, the fourth slave control part module (4) is connected with a second motor interface (9) through a UVW terminal, the fifth slave control part module (5) is connected with a third motor interface (10) through a UVW terminal, and the sixth slave control part module (6) is connected with a fourth motor interface (11) through a UVW terminal.

4. The circuit layout structure of a brushless controller that drives a plurality of motors according to claim 1, characterized in that: the first power supply part module (1) is respectively connected with a third main control part module (3), a fourth slave control part module (4), a fifth slave control part module (5) and a sixth slave control part module (6).

5. The circuit layout structure of a brushless controller that drives a plurality of motors according to claim 3, characterized in that: the third main control part module (3) is connected with the second interface part module (2), and the second interface part module (2) is connected with the signal interface (13) and the dial switch interface (14).

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